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ac644614 | 1 | /** @file\r |
50a64e5b | 2 | Provides string functions, linked list functions, math functions, synchronization\r |
ae591c14 | 3 | functions, file path functions, and CPU architecture-specific functions.\r |
ac644614 | 4 | \r |
5dbfa01e | 5 | Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>\r |
9df063a0 | 6 | Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r |
3b5a58c5 | 7 | Copyright (c) Microsoft Corporation.<BR>\r |
7601b251 AC |
8 | Portions Copyright (c) 2020, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>\r |
9 | \r | |
9344f092 | 10 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
ac644614 | 11 | \r |
12 | **/\r | |
13 | \r | |
14 | #ifndef __BASE_LIB__\r | |
15 | #define __BASE_LIB__\r | |
16 | \r | |
1106ffe1 | 17 | //\r |
1a2f870c | 18 | // Definitions for architecture-specific types\r |
1106ffe1 | 19 | //\r |
ac644614 | 20 | #if defined (MDE_CPU_IA32)\r |
fc30687f | 21 | ///\r |
af2dc6a7 | 22 | /// The IA-32 architecture context buffer used by SetJump() and LongJump().\r |
fc30687f | 23 | ///\r |
ac644614 | 24 | typedef struct {\r |
25 | UINT32 Ebx;\r | |
26 | UINT32 Esi;\r | |
27 | UINT32 Edi;\r | |
28 | UINT32 Ebp;\r | |
29 | UINT32 Esp;\r | |
30 | UINT32 Eip;\r | |
0aac2f77 | 31 | UINT32 Ssp;\r |
ac644614 | 32 | } BASE_LIBRARY_JUMP_BUFFER;\r |
33 | \r | |
34 | #define BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT 4\r | |
35 | \r | |
aa4df547 | 36 | #endif // defined (MDE_CPU_IA32)\r |
37 | \r | |
aa4df547 | 38 | #if defined (MDE_CPU_X64)\r |
fc30687f | 39 | ///\r |
af2dc6a7 | 40 | /// The x64 architecture context buffer used by SetJump() and LongJump().\r |
fc30687f | 41 | ///\r |
ac644614 | 42 | typedef struct {\r |
43 | UINT64 Rbx;\r | |
44 | UINT64 Rsp;\r | |
45 | UINT64 Rbp;\r | |
46 | UINT64 Rdi;\r | |
47 | UINT64 Rsi;\r | |
48 | UINT64 R12;\r | |
49 | UINT64 R13;\r | |
50 | UINT64 R14;\r | |
51 | UINT64 R15;\r | |
52 | UINT64 Rip;\r | |
9b9641c6 | 53 | UINT64 MxCsr;\r |
af2dc6a7 | 54 | UINT8 XmmBuffer[160]; ///< XMM6-XMM15.\r |
0aac2f77 | 55 | UINT64 Ssp;\r |
ac644614 | 56 | } BASE_LIBRARY_JUMP_BUFFER;\r |
57 | \r | |
58 | #define BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT 8\r | |
59 | \r | |
aa4df547 | 60 | #endif // defined (MDE_CPU_X64)\r |
61 | \r | |
62 | #if defined (MDE_CPU_EBC)\r | |
fc30687f | 63 | ///\r |
af2dc6a7 | 64 | /// The EBC context buffer used by SetJump() and LongJump().\r |
fc30687f | 65 | ///\r |
ac644614 | 66 | typedef struct {\r |
67 | UINT64 R0;\r | |
68 | UINT64 R1;\r | |
69 | UINT64 R2;\r | |
70 | UINT64 R3;\r | |
71 | UINT64 IP;\r | |
72 | } BASE_LIBRARY_JUMP_BUFFER;\r | |
73 | \r | |
74 | #define BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT 8\r | |
75 | \r | |
aa4df547 | 76 | #endif // defined (MDE_CPU_EBC)\r |
ac644614 | 77 | \r |
ebd04fc2 | 78 | #if defined (MDE_CPU_ARM)\r |
79 | \r | |
80 | typedef struct {\r | |
af2dc6a7 | 81 | UINT32 R3; ///< A copy of R13.\r |
01a54966 | 82 | UINT32 R4;\r |
83 | UINT32 R5;\r | |
84 | UINT32 R6;\r | |
85 | UINT32 R7;\r | |
86 | UINT32 R8;\r | |
87 | UINT32 R9;\r | |
88 | UINT32 R10;\r | |
89 | UINT32 R11;\r | |
90 | UINT32 R12;\r | |
91 | UINT32 R14;\r | |
ebd04fc2 | 92 | } BASE_LIBRARY_JUMP_BUFFER;\r |
93 | \r | |
94 | #define BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT 4\r | |
95 | \r | |
96 | #endif // defined (MDE_CPU_ARM)\r | |
97 | \r | |
807e2604 HL |
98 | #if defined (MDE_CPU_AARCH64)\r |
99 | typedef struct {\r | |
100 | // GP regs\r | |
101 | UINT64 X19;\r | |
102 | UINT64 X20;\r | |
103 | UINT64 X21;\r | |
104 | UINT64 X22;\r | |
105 | UINT64 X23;\r | |
106 | UINT64 X24;\r | |
107 | UINT64 X25;\r | |
108 | UINT64 X26;\r | |
109 | UINT64 X27;\r | |
110 | UINT64 X28;\r | |
111 | UINT64 FP;\r | |
112 | UINT64 LR;\r | |
113 | UINT64 IP0;\r | |
114 | \r | |
115 | // FP regs\r | |
116 | UINT64 D8;\r | |
117 | UINT64 D9;\r | |
118 | UINT64 D10;\r | |
119 | UINT64 D11;\r | |
120 | UINT64 D12;\r | |
121 | UINT64 D13;\r | |
122 | UINT64 D14;\r | |
123 | UINT64 D15;\r | |
124 | } BASE_LIBRARY_JUMP_BUFFER;\r | |
125 | \r | |
126 | #define BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT 8\r | |
127 | \r | |
128 | #endif // defined (MDE_CPU_AARCH64)\r | |
129 | \r | |
7601b251 AC |
130 | #if defined (MDE_CPU_RISCV64)\r |
131 | ///\r | |
132 | /// The RISC-V architecture context buffer used by SetJump() and LongJump().\r | |
133 | ///\r | |
134 | typedef struct {\r | |
135 | UINT64 RA;\r | |
136 | UINT64 S0;\r | |
137 | UINT64 S1;\r | |
138 | UINT64 S2;\r | |
139 | UINT64 S3;\r | |
140 | UINT64 S4;\r | |
141 | UINT64 S5;\r | |
142 | UINT64 S6;\r | |
143 | UINT64 S7;\r | |
144 | UINT64 S8;\r | |
145 | UINT64 S9;\r | |
146 | UINT64 S10;\r | |
147 | UINT64 S11;\r | |
148 | UINT64 SP;\r | |
149 | } BASE_LIBRARY_JUMP_BUFFER;\r | |
150 | \r | |
151 | #define BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT 8\r | |
152 | \r | |
153 | #endif // defined (MDE_CPU_RISCV64)\r | |
807e2604 | 154 | \r |
ac644614 | 155 | //\r |
156 | // String Services\r | |
157 | //\r | |
158 | \r | |
c058d59f JY |
159 | \r |
160 | /**\r | |
161 | Returns the length of a Null-terminated Unicode string.\r | |
162 | \r | |
328f84b1 JY |
163 | This function is similar as strlen_s defined in C11.\r |
164 | \r | |
c058d59f JY |
165 | If String is not aligned on a 16-bit boundary, then ASSERT().\r |
166 | \r | |
167 | @param String A pointer to a Null-terminated Unicode string.\r | |
168 | @param MaxSize The maximum number of Destination Unicode\r | |
169 | char, including terminating null char.\r | |
170 | \r | |
171 | @retval 0 If String is NULL.\r | |
172 | @retval MaxSize If there is no null character in the first MaxSize characters of String.\r | |
173 | @return The number of characters that percede the terminating null character.\r | |
174 | \r | |
175 | **/\r | |
176 | UINTN\r | |
177 | EFIAPI\r | |
178 | StrnLenS (\r | |
179 | IN CONST CHAR16 *String,\r | |
180 | IN UINTN MaxSize\r | |
181 | );\r | |
182 | \r | |
b590e43a HW |
183 | /**\r |
184 | Returns the size of a Null-terminated Unicode string in bytes, including the\r | |
185 | Null terminator.\r | |
186 | \r | |
187 | This function returns the size of the Null-terminated Unicode string\r | |
188 | specified by String in bytes, including the Null terminator.\r | |
189 | \r | |
190 | If String is not aligned on a 16-bit boundary, then ASSERT().\r | |
191 | \r | |
192 | @param String A pointer to a Null-terminated Unicode string.\r | |
193 | @param MaxSize The maximum number of Destination Unicode\r | |
194 | char, including the Null terminator.\r | |
195 | \r | |
196 | @retval 0 If String is NULL.\r | |
197 | @retval (sizeof (CHAR16) * (MaxSize + 1))\r | |
198 | If there is no Null terminator in the first MaxSize characters of\r | |
199 | String.\r | |
200 | @return The size of the Null-terminated Unicode string in bytes, including\r | |
201 | the Null terminator.\r | |
202 | \r | |
203 | **/\r | |
204 | UINTN\r | |
205 | EFIAPI\r | |
206 | StrnSizeS (\r | |
207 | IN CONST CHAR16 *String,\r | |
208 | IN UINTN MaxSize\r | |
209 | );\r | |
210 | \r | |
c058d59f JY |
211 | /**\r |
212 | Copies the string pointed to by Source (including the terminating null char)\r | |
213 | to the array pointed to by Destination.\r | |
214 | \r | |
328f84b1 JY |
215 | This function is similar as strcpy_s defined in C11.\r |
216 | \r | |
c058d59f JY |
217 | If Destination is not aligned on a 16-bit boundary, then ASSERT().\r |
218 | If Source is not aligned on a 16-bit boundary, then ASSERT().\r | |
0e93edbb | 219 | If an error would be returned, then the function will also ASSERT().\r |
c058d59f | 220 | \r |
328f84b1 JY |
221 | If an error is returned, then the Destination is unmodified.\r |
222 | \r | |
c058d59f JY |
223 | @param Destination A pointer to a Null-terminated Unicode string.\r |
224 | @param DestMax The maximum number of Destination Unicode\r | |
225 | char, including terminating null char.\r | |
226 | @param Source A pointer to a Null-terminated Unicode string.\r | |
227 | \r | |
228 | @retval RETURN_SUCCESS String is copied.\r | |
229 | @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than StrLen(Source).\r | |
230 | @retval RETURN_INVALID_PARAMETER If Destination is NULL.\r | |
231 | If Source is NULL.\r | |
232 | If PcdMaximumUnicodeStringLength is not zero,\r | |
9095d37b | 233 | and DestMax is greater than\r |
c058d59f JY |
234 | PcdMaximumUnicodeStringLength.\r |
235 | If DestMax is 0.\r | |
236 | @retval RETURN_ACCESS_DENIED If Source and Destination overlap.\r | |
237 | **/\r | |
238 | RETURN_STATUS\r | |
239 | EFIAPI\r | |
240 | StrCpyS (\r | |
241 | OUT CHAR16 *Destination,\r | |
242 | IN UINTN DestMax,\r | |
243 | IN CONST CHAR16 *Source\r | |
244 | );\r | |
245 | \r | |
246 | /**\r | |
247 | Copies not more than Length successive char from the string pointed to by\r | |
248 | Source to the array pointed to by Destination. If no null char is copied from\r | |
249 | Source, then Destination[Length] is always set to null.\r | |
250 | \r | |
328f84b1 JY |
251 | This function is similar as strncpy_s defined in C11.\r |
252 | \r | |
c058d59f JY |
253 | If Length > 0 and Destination is not aligned on a 16-bit boundary, then ASSERT().\r |
254 | If Length > 0 and Source is not aligned on a 16-bit boundary, then ASSERT().\r | |
0e93edbb | 255 | If an error would be returned, then the function will also ASSERT().\r |
c058d59f | 256 | \r |
328f84b1 JY |
257 | If an error is returned, then the Destination is unmodified.\r |
258 | \r | |
c058d59f JY |
259 | @param Destination A pointer to a Null-terminated Unicode string.\r |
260 | @param DestMax The maximum number of Destination Unicode\r | |
261 | char, including terminating null char.\r | |
262 | @param Source A pointer to a Null-terminated Unicode string.\r | |
263 | @param Length The maximum number of Unicode characters to copy.\r | |
264 | \r | |
265 | @retval RETURN_SUCCESS String is copied.\r | |
9095d37b | 266 | @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than\r |
c058d59f JY |
267 | MIN(StrLen(Source), Length).\r |
268 | @retval RETURN_INVALID_PARAMETER If Destination is NULL.\r | |
269 | If Source is NULL.\r | |
270 | If PcdMaximumUnicodeStringLength is not zero,\r | |
9095d37b | 271 | and DestMax is greater than\r |
c058d59f JY |
272 | PcdMaximumUnicodeStringLength.\r |
273 | If DestMax is 0.\r | |
274 | @retval RETURN_ACCESS_DENIED If Source and Destination overlap.\r | |
275 | **/\r | |
276 | RETURN_STATUS\r | |
277 | EFIAPI\r | |
278 | StrnCpyS (\r | |
279 | OUT CHAR16 *Destination,\r | |
280 | IN UINTN DestMax,\r | |
281 | IN CONST CHAR16 *Source,\r | |
282 | IN UINTN Length\r | |
283 | );\r | |
284 | \r | |
285 | /**\r | |
286 | Appends a copy of the string pointed to by Source (including the terminating\r | |
287 | null char) to the end of the string pointed to by Destination.\r | |
288 | \r | |
328f84b1 JY |
289 | This function is similar as strcat_s defined in C11.\r |
290 | \r | |
c058d59f JY |
291 | If Destination is not aligned on a 16-bit boundary, then ASSERT().\r |
292 | If Source is not aligned on a 16-bit boundary, then ASSERT().\r | |
0e93edbb | 293 | If an error would be returned, then the function will also ASSERT().\r |
c058d59f | 294 | \r |
328f84b1 JY |
295 | If an error is returned, then the Destination is unmodified.\r |
296 | \r | |
c058d59f JY |
297 | @param Destination A pointer to a Null-terminated Unicode string.\r |
298 | @param DestMax The maximum number of Destination Unicode\r | |
299 | char, including terminating null char.\r | |
300 | @param Source A pointer to a Null-terminated Unicode string.\r | |
301 | \r | |
302 | @retval RETURN_SUCCESS String is appended.\r | |
9095d37b | 303 | @retval RETURN_BAD_BUFFER_SIZE If DestMax is NOT greater than\r |
c058d59f JY |
304 | StrLen(Destination).\r |
305 | @retval RETURN_BUFFER_TOO_SMALL If (DestMax - StrLen(Destination)) is NOT\r | |
306 | greater than StrLen(Source).\r | |
307 | @retval RETURN_INVALID_PARAMETER If Destination is NULL.\r | |
308 | If Source is NULL.\r | |
309 | If PcdMaximumUnicodeStringLength is not zero,\r | |
9095d37b | 310 | and DestMax is greater than\r |
c058d59f JY |
311 | PcdMaximumUnicodeStringLength.\r |
312 | If DestMax is 0.\r | |
313 | @retval RETURN_ACCESS_DENIED If Source and Destination overlap.\r | |
314 | **/\r | |
315 | RETURN_STATUS\r | |
316 | EFIAPI\r | |
317 | StrCatS (\r | |
318 | IN OUT CHAR16 *Destination,\r | |
319 | IN UINTN DestMax,\r | |
320 | IN CONST CHAR16 *Source\r | |
321 | );\r | |
322 | \r | |
323 | /**\r | |
324 | Appends not more than Length successive char from the string pointed to by\r | |
325 | Source to the end of the string pointed to by Destination. If no null char is\r | |
326 | copied from Source, then Destination[StrLen(Destination) + Length] is always\r | |
327 | set to null.\r | |
328 | \r | |
328f84b1 JY |
329 | This function is similar as strncat_s defined in C11.\r |
330 | \r | |
c058d59f | 331 | If Destination is not aligned on a 16-bit boundary, then ASSERT().\r |
0e93edbb JY |
332 | If Source is not aligned on a 16-bit boundary, then ASSERT().\r |
333 | If an error would be returned, then the function will also ASSERT().\r | |
c058d59f | 334 | \r |
328f84b1 JY |
335 | If an error is returned, then the Destination is unmodified.\r |
336 | \r | |
c058d59f JY |
337 | @param Destination A pointer to a Null-terminated Unicode string.\r |
338 | @param DestMax The maximum number of Destination Unicode\r | |
339 | char, including terminating null char.\r | |
340 | @param Source A pointer to a Null-terminated Unicode string.\r | |
341 | @param Length The maximum number of Unicode characters to copy.\r | |
342 | \r | |
343 | @retval RETURN_SUCCESS String is appended.\r | |
344 | @retval RETURN_BAD_BUFFER_SIZE If DestMax is NOT greater than\r | |
345 | StrLen(Destination).\r | |
346 | @retval RETURN_BUFFER_TOO_SMALL If (DestMax - StrLen(Destination)) is NOT\r | |
347 | greater than MIN(StrLen(Source), Length).\r | |
348 | @retval RETURN_INVALID_PARAMETER If Destination is NULL.\r | |
349 | If Source is NULL.\r | |
350 | If PcdMaximumUnicodeStringLength is not zero,\r | |
9095d37b | 351 | and DestMax is greater than\r |
c058d59f JY |
352 | PcdMaximumUnicodeStringLength.\r |
353 | If DestMax is 0.\r | |
354 | @retval RETURN_ACCESS_DENIED If Source and Destination overlap.\r | |
355 | **/\r | |
356 | RETURN_STATUS\r | |
357 | EFIAPI\r | |
358 | StrnCatS (\r | |
359 | IN OUT CHAR16 *Destination,\r | |
360 | IN UINTN DestMax,\r | |
361 | IN CONST CHAR16 *Source,\r | |
362 | IN UINTN Length\r | |
363 | );\r | |
364 | \r | |
d8af3301 HW |
365 | /**\r |
366 | Convert a Null-terminated Unicode decimal string to a value of type UINTN.\r | |
367 | \r | |
368 | This function outputs a value of type UINTN by interpreting the contents of\r | |
369 | the Unicode string specified by String as a decimal number. The format of the\r | |
370 | input Unicode string String is:\r | |
371 | \r | |
372 | [spaces] [decimal digits].\r | |
373 | \r | |
374 | The valid decimal digit character is in the range [0-9]. The function will\r | |
375 | ignore the pad space, which includes spaces or tab characters, before\r | |
376 | [decimal digits]. The running zero in the beginning of [decimal digits] will\r | |
377 | be ignored. Then, the function stops at the first character that is a not a\r | |
378 | valid decimal character or a Null-terminator, whichever one comes first.\r | |
379 | \r | |
380 | If String is NULL, then ASSERT().\r | |
381 | If Data is NULL, then ASSERT().\r | |
382 | If String is not aligned in a 16-bit boundary, then ASSERT().\r | |
383 | If PcdMaximumUnicodeStringLength is not zero, and String contains more than\r | |
384 | PcdMaximumUnicodeStringLength Unicode characters, not including the\r | |
385 | Null-terminator, then ASSERT().\r | |
386 | \r | |
387 | If String has no valid decimal digits in the above format, then 0 is stored\r | |
388 | at the location pointed to by Data.\r | |
389 | If the number represented by String exceeds the range defined by UINTN, then\r | |
390 | MAX_UINTN is stored at the location pointed to by Data.\r | |
391 | \r | |
392 | If EndPointer is not NULL, a pointer to the character that stopped the scan\r | |
393 | is stored at the location pointed to by EndPointer. If String has no valid\r | |
394 | decimal digits right after the optional pad spaces, the value of String is\r | |
395 | stored at the location pointed to by EndPointer.\r | |
396 | \r | |
397 | @param String Pointer to a Null-terminated Unicode string.\r | |
398 | @param EndPointer Pointer to character that stops scan.\r | |
399 | @param Data Pointer to the converted value.\r | |
400 | \r | |
401 | @retval RETURN_SUCCESS Value is translated from String.\r | |
402 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
403 | If Data is NULL.\r | |
404 | If PcdMaximumUnicodeStringLength is not\r | |
405 | zero, and String contains more than\r | |
406 | PcdMaximumUnicodeStringLength Unicode\r | |
407 | characters, not including the\r | |
408 | Null-terminator.\r | |
409 | @retval RETURN_UNSUPPORTED If the number represented by String exceeds\r | |
410 | the range defined by UINTN.\r | |
411 | \r | |
412 | **/\r | |
413 | RETURN_STATUS\r | |
414 | EFIAPI\r | |
415 | StrDecimalToUintnS (\r | |
416 | IN CONST CHAR16 *String,\r | |
417 | OUT CHAR16 **EndPointer, OPTIONAL\r | |
418 | OUT UINTN *Data\r | |
419 | );\r | |
420 | \r | |
421 | /**\r | |
422 | Convert a Null-terminated Unicode decimal string to a value of type UINT64.\r | |
423 | \r | |
424 | This function outputs a value of type UINT64 by interpreting the contents of\r | |
425 | the Unicode string specified by String as a decimal number. The format of the\r | |
426 | input Unicode string String is:\r | |
427 | \r | |
428 | [spaces] [decimal digits].\r | |
429 | \r | |
430 | The valid decimal digit character is in the range [0-9]. The function will\r | |
431 | ignore the pad space, which includes spaces or tab characters, before\r | |
432 | [decimal digits]. The running zero in the beginning of [decimal digits] will\r | |
433 | be ignored. Then, the function stops at the first character that is a not a\r | |
434 | valid decimal character or a Null-terminator, whichever one comes first.\r | |
435 | \r | |
436 | If String is NULL, then ASSERT().\r | |
437 | If Data is NULL, then ASSERT().\r | |
438 | If String is not aligned in a 16-bit boundary, then ASSERT().\r | |
439 | If PcdMaximumUnicodeStringLength is not zero, and String contains more than\r | |
440 | PcdMaximumUnicodeStringLength Unicode characters, not including the\r | |
441 | Null-terminator, then ASSERT().\r | |
442 | \r | |
443 | If String has no valid decimal digits in the above format, then 0 is stored\r | |
444 | at the location pointed to by Data.\r | |
445 | If the number represented by String exceeds the range defined by UINT64, then\r | |
446 | MAX_UINT64 is stored at the location pointed to by Data.\r | |
447 | \r | |
448 | If EndPointer is not NULL, a pointer to the character that stopped the scan\r | |
449 | is stored at the location pointed to by EndPointer. If String has no valid\r | |
450 | decimal digits right after the optional pad spaces, the value of String is\r | |
451 | stored at the location pointed to by EndPointer.\r | |
452 | \r | |
453 | @param String Pointer to a Null-terminated Unicode string.\r | |
454 | @param EndPointer Pointer to character that stops scan.\r | |
455 | @param Data Pointer to the converted value.\r | |
456 | \r | |
457 | @retval RETURN_SUCCESS Value is translated from String.\r | |
458 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
459 | If Data is NULL.\r | |
460 | If PcdMaximumUnicodeStringLength is not\r | |
461 | zero, and String contains more than\r | |
462 | PcdMaximumUnicodeStringLength Unicode\r | |
463 | characters, not including the\r | |
464 | Null-terminator.\r | |
465 | @retval RETURN_UNSUPPORTED If the number represented by String exceeds\r | |
466 | the range defined by UINT64.\r | |
467 | \r | |
468 | **/\r | |
469 | RETURN_STATUS\r | |
470 | EFIAPI\r | |
471 | StrDecimalToUint64S (\r | |
472 | IN CONST CHAR16 *String,\r | |
473 | OUT CHAR16 **EndPointer, OPTIONAL\r | |
474 | OUT UINT64 *Data\r | |
475 | );\r | |
476 | \r | |
477 | /**\r | |
478 | Convert a Null-terminated Unicode hexadecimal string to a value of type\r | |
479 | UINTN.\r | |
480 | \r | |
481 | This function outputs a value of type UINTN by interpreting the contents of\r | |
482 | the Unicode string specified by String as a hexadecimal number. The format of\r | |
483 | the input Unicode string String is:\r | |
484 | \r | |
485 | [spaces][zeros][x][hexadecimal digits].\r | |
486 | \r | |
487 | The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F].\r | |
488 | The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix.\r | |
489 | If "x" appears in the input string, it must be prefixed with at least one 0.\r | |
490 | The function will ignore the pad space, which includes spaces or tab\r | |
491 | characters, before [zeros], [x] or [hexadecimal digit]. The running zero\r | |
492 | before [x] or [hexadecimal digit] will be ignored. Then, the decoding starts\r | |
493 | after [x] or the first valid hexadecimal digit. Then, the function stops at\r | |
494 | the first character that is a not a valid hexadecimal character or NULL,\r | |
495 | whichever one comes first.\r | |
496 | \r | |
497 | If String is NULL, then ASSERT().\r | |
498 | If Data is NULL, then ASSERT().\r | |
499 | If String is not aligned in a 16-bit boundary, then ASSERT().\r | |
500 | If PcdMaximumUnicodeStringLength is not zero, and String contains more than\r | |
501 | PcdMaximumUnicodeStringLength Unicode characters, not including the\r | |
502 | Null-terminator, then ASSERT().\r | |
503 | \r | |
504 | If String has no valid hexadecimal digits in the above format, then 0 is\r | |
505 | stored at the location pointed to by Data.\r | |
506 | If the number represented by String exceeds the range defined by UINTN, then\r | |
507 | MAX_UINTN is stored at the location pointed to by Data.\r | |
508 | \r | |
509 | If EndPointer is not NULL, a pointer to the character that stopped the scan\r | |
510 | is stored at the location pointed to by EndPointer. If String has no valid\r | |
511 | hexadecimal digits right after the optional pad spaces, the value of String\r | |
512 | is stored at the location pointed to by EndPointer.\r | |
513 | \r | |
514 | @param String Pointer to a Null-terminated Unicode string.\r | |
515 | @param EndPointer Pointer to character that stops scan.\r | |
516 | @param Data Pointer to the converted value.\r | |
517 | \r | |
518 | @retval RETURN_SUCCESS Value is translated from String.\r | |
519 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
520 | If Data is NULL.\r | |
521 | If PcdMaximumUnicodeStringLength is not\r | |
522 | zero, and String contains more than\r | |
523 | PcdMaximumUnicodeStringLength Unicode\r | |
524 | characters, not including the\r | |
525 | Null-terminator.\r | |
526 | @retval RETURN_UNSUPPORTED If the number represented by String exceeds\r | |
527 | the range defined by UINTN.\r | |
528 | \r | |
529 | **/\r | |
530 | RETURN_STATUS\r | |
531 | EFIAPI\r | |
532 | StrHexToUintnS (\r | |
533 | IN CONST CHAR16 *String,\r | |
534 | OUT CHAR16 **EndPointer, OPTIONAL\r | |
535 | OUT UINTN *Data\r | |
536 | );\r | |
537 | \r | |
538 | /**\r | |
539 | Convert a Null-terminated Unicode hexadecimal string to a value of type\r | |
540 | UINT64.\r | |
541 | \r | |
542 | This function outputs a value of type UINT64 by interpreting the contents of\r | |
543 | the Unicode string specified by String as a hexadecimal number. The format of\r | |
544 | the input Unicode string String is:\r | |
545 | \r | |
546 | [spaces][zeros][x][hexadecimal digits].\r | |
547 | \r | |
548 | The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F].\r | |
549 | The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix.\r | |
550 | If "x" appears in the input string, it must be prefixed with at least one 0.\r | |
551 | The function will ignore the pad space, which includes spaces or tab\r | |
552 | characters, before [zeros], [x] or [hexadecimal digit]. The running zero\r | |
553 | before [x] or [hexadecimal digit] will be ignored. Then, the decoding starts\r | |
554 | after [x] or the first valid hexadecimal digit. Then, the function stops at\r | |
555 | the first character that is a not a valid hexadecimal character or NULL,\r | |
556 | whichever one comes first.\r | |
557 | \r | |
558 | If String is NULL, then ASSERT().\r | |
559 | If Data is NULL, then ASSERT().\r | |
560 | If String is not aligned in a 16-bit boundary, then ASSERT().\r | |
561 | If PcdMaximumUnicodeStringLength is not zero, and String contains more than\r | |
562 | PcdMaximumUnicodeStringLength Unicode characters, not including the\r | |
563 | Null-terminator, then ASSERT().\r | |
564 | \r | |
565 | If String has no valid hexadecimal digits in the above format, then 0 is\r | |
566 | stored at the location pointed to by Data.\r | |
567 | If the number represented by String exceeds the range defined by UINT64, then\r | |
568 | MAX_UINT64 is stored at the location pointed to by Data.\r | |
569 | \r | |
570 | If EndPointer is not NULL, a pointer to the character that stopped the scan\r | |
571 | is stored at the location pointed to by EndPointer. If String has no valid\r | |
572 | hexadecimal digits right after the optional pad spaces, the value of String\r | |
573 | is stored at the location pointed to by EndPointer.\r | |
574 | \r | |
575 | @param String Pointer to a Null-terminated Unicode string.\r | |
576 | @param EndPointer Pointer to character that stops scan.\r | |
577 | @param Data Pointer to the converted value.\r | |
578 | \r | |
579 | @retval RETURN_SUCCESS Value is translated from String.\r | |
580 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
581 | If Data is NULL.\r | |
582 | If PcdMaximumUnicodeStringLength is not\r | |
583 | zero, and String contains more than\r | |
584 | PcdMaximumUnicodeStringLength Unicode\r | |
585 | characters, not including the\r | |
586 | Null-terminator.\r | |
587 | @retval RETURN_UNSUPPORTED If the number represented by String exceeds\r | |
588 | the range defined by UINT64.\r | |
589 | \r | |
590 | **/\r | |
591 | RETURN_STATUS\r | |
592 | EFIAPI\r | |
593 | StrHexToUint64S (\r | |
594 | IN CONST CHAR16 *String,\r | |
595 | OUT CHAR16 **EndPointer, OPTIONAL\r | |
596 | OUT UINT64 *Data\r | |
597 | );\r | |
598 | \r | |
c058d59f JY |
599 | /**\r |
600 | Returns the length of a Null-terminated Ascii string.\r | |
601 | \r | |
328f84b1 JY |
602 | This function is similar as strlen_s defined in C11.\r |
603 | \r | |
c058d59f JY |
604 | @param String A pointer to a Null-terminated Ascii string.\r |
605 | @param MaxSize The maximum number of Destination Ascii\r | |
606 | char, including terminating null char.\r | |
607 | \r | |
608 | @retval 0 If String is NULL.\r | |
609 | @retval MaxSize If there is no null character in the first MaxSize characters of String.\r | |
610 | @return The number of characters that percede the terminating null character.\r | |
611 | \r | |
612 | **/\r | |
613 | UINTN\r | |
614 | EFIAPI\r | |
615 | AsciiStrnLenS (\r | |
616 | IN CONST CHAR8 *String,\r | |
617 | IN UINTN MaxSize\r | |
618 | );\r | |
619 | \r | |
b590e43a HW |
620 | /**\r |
621 | Returns the size of a Null-terminated Ascii string in bytes, including the\r | |
622 | Null terminator.\r | |
623 | \r | |
624 | This function returns the size of the Null-terminated Ascii string specified\r | |
625 | by String in bytes, including the Null terminator.\r | |
626 | \r | |
627 | @param String A pointer to a Null-terminated Ascii string.\r | |
628 | @param MaxSize The maximum number of Destination Ascii\r | |
629 | char, including the Null terminator.\r | |
630 | \r | |
631 | @retval 0 If String is NULL.\r | |
632 | @retval (sizeof (CHAR8) * (MaxSize + 1))\r | |
633 | If there is no Null terminator in the first MaxSize characters of\r | |
634 | String.\r | |
635 | @return The size of the Null-terminated Ascii string in bytes, including the\r | |
636 | Null terminator.\r | |
637 | \r | |
638 | **/\r | |
639 | UINTN\r | |
640 | EFIAPI\r | |
641 | AsciiStrnSizeS (\r | |
642 | IN CONST CHAR8 *String,\r | |
643 | IN UINTN MaxSize\r | |
644 | );\r | |
645 | \r | |
c058d59f JY |
646 | /**\r |
647 | Copies the string pointed to by Source (including the terminating null char)\r | |
648 | to the array pointed to by Destination.\r | |
649 | \r | |
328f84b1 JY |
650 | This function is similar as strcpy_s defined in C11.\r |
651 | \r | |
0e93edbb JY |
652 | If an error would be returned, then the function will also ASSERT().\r |
653 | \r | |
328f84b1 JY |
654 | If an error is returned, then the Destination is unmodified.\r |
655 | \r | |
c058d59f JY |
656 | @param Destination A pointer to a Null-terminated Ascii string.\r |
657 | @param DestMax The maximum number of Destination Ascii\r | |
658 | char, including terminating null char.\r | |
659 | @param Source A pointer to a Null-terminated Ascii string.\r | |
660 | \r | |
661 | @retval RETURN_SUCCESS String is copied.\r | |
662 | @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than StrLen(Source).\r | |
663 | @retval RETURN_INVALID_PARAMETER If Destination is NULL.\r | |
664 | If Source is NULL.\r | |
665 | If PcdMaximumAsciiStringLength is not zero,\r | |
9095d37b | 666 | and DestMax is greater than\r |
c058d59f JY |
667 | PcdMaximumAsciiStringLength.\r |
668 | If DestMax is 0.\r | |
669 | @retval RETURN_ACCESS_DENIED If Source and Destination overlap.\r | |
670 | **/\r | |
671 | RETURN_STATUS\r | |
672 | EFIAPI\r | |
673 | AsciiStrCpyS (\r | |
674 | OUT CHAR8 *Destination,\r | |
675 | IN UINTN DestMax,\r | |
676 | IN CONST CHAR8 *Source\r | |
677 | );\r | |
678 | \r | |
679 | /**\r | |
680 | Copies not more than Length successive char from the string pointed to by\r | |
681 | Source to the array pointed to by Destination. If no null char is copied from\r | |
682 | Source, then Destination[Length] is always set to null.\r | |
683 | \r | |
328f84b1 JY |
684 | This function is similar as strncpy_s defined in C11.\r |
685 | \r | |
0e93edbb JY |
686 | If an error would be returned, then the function will also ASSERT().\r |
687 | \r | |
328f84b1 JY |
688 | If an error is returned, then the Destination is unmodified.\r |
689 | \r | |
c058d59f JY |
690 | @param Destination A pointer to a Null-terminated Ascii string.\r |
691 | @param DestMax The maximum number of Destination Ascii\r | |
692 | char, including terminating null char.\r | |
693 | @param Source A pointer to a Null-terminated Ascii string.\r | |
694 | @param Length The maximum number of Ascii characters to copy.\r | |
695 | \r | |
696 | @retval RETURN_SUCCESS String is copied.\r | |
9095d37b | 697 | @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than\r |
c058d59f JY |
698 | MIN(StrLen(Source), Length).\r |
699 | @retval RETURN_INVALID_PARAMETER If Destination is NULL.\r | |
700 | If Source is NULL.\r | |
701 | If PcdMaximumAsciiStringLength is not zero,\r | |
9095d37b | 702 | and DestMax is greater than\r |
c058d59f JY |
703 | PcdMaximumAsciiStringLength.\r |
704 | If DestMax is 0.\r | |
705 | @retval RETURN_ACCESS_DENIED If Source and Destination overlap.\r | |
706 | **/\r | |
707 | RETURN_STATUS\r | |
708 | EFIAPI\r | |
709 | AsciiStrnCpyS (\r | |
710 | OUT CHAR8 *Destination,\r | |
711 | IN UINTN DestMax,\r | |
712 | IN CONST CHAR8 *Source,\r | |
713 | IN UINTN Length\r | |
714 | );\r | |
715 | \r | |
716 | /**\r | |
717 | Appends a copy of the string pointed to by Source (including the terminating\r | |
718 | null char) to the end of the string pointed to by Destination.\r | |
719 | \r | |
328f84b1 JY |
720 | This function is similar as strcat_s defined in C11.\r |
721 | \r | |
0e93edbb JY |
722 | If an error would be returned, then the function will also ASSERT().\r |
723 | \r | |
328f84b1 JY |
724 | If an error is returned, then the Destination is unmodified.\r |
725 | \r | |
c058d59f JY |
726 | @param Destination A pointer to a Null-terminated Ascii string.\r |
727 | @param DestMax The maximum number of Destination Ascii\r | |
728 | char, including terminating null char.\r | |
729 | @param Source A pointer to a Null-terminated Ascii string.\r | |
730 | \r | |
731 | @retval RETURN_SUCCESS String is appended.\r | |
9095d37b | 732 | @retval RETURN_BAD_BUFFER_SIZE If DestMax is NOT greater than\r |
c058d59f JY |
733 | StrLen(Destination).\r |
734 | @retval RETURN_BUFFER_TOO_SMALL If (DestMax - StrLen(Destination)) is NOT\r | |
735 | greater than StrLen(Source).\r | |
736 | @retval RETURN_INVALID_PARAMETER If Destination is NULL.\r | |
737 | If Source is NULL.\r | |
738 | If PcdMaximumAsciiStringLength is not zero,\r | |
9095d37b | 739 | and DestMax is greater than\r |
c058d59f JY |
740 | PcdMaximumAsciiStringLength.\r |
741 | If DestMax is 0.\r | |
742 | @retval RETURN_ACCESS_DENIED If Source and Destination overlap.\r | |
743 | **/\r | |
744 | RETURN_STATUS\r | |
745 | EFIAPI\r | |
746 | AsciiStrCatS (\r | |
747 | IN OUT CHAR8 *Destination,\r | |
748 | IN UINTN DestMax,\r | |
749 | IN CONST CHAR8 *Source\r | |
750 | );\r | |
751 | \r | |
752 | /**\r | |
753 | Appends not more than Length successive char from the string pointed to by\r | |
754 | Source to the end of the string pointed to by Destination. If no null char is\r | |
755 | copied from Source, then Destination[StrLen(Destination) + Length] is always\r | |
756 | set to null.\r | |
757 | \r | |
328f84b1 JY |
758 | This function is similar as strncat_s defined in C11.\r |
759 | \r | |
0e93edbb JY |
760 | If an error would be returned, then the function will also ASSERT().\r |
761 | \r | |
328f84b1 JY |
762 | If an error is returned, then the Destination is unmodified.\r |
763 | \r | |
c058d59f JY |
764 | @param Destination A pointer to a Null-terminated Ascii string.\r |
765 | @param DestMax The maximum number of Destination Ascii\r | |
766 | char, including terminating null char.\r | |
767 | @param Source A pointer to a Null-terminated Ascii string.\r | |
768 | @param Length The maximum number of Ascii characters to copy.\r | |
769 | \r | |
770 | @retval RETURN_SUCCESS String is appended.\r | |
771 | @retval RETURN_BAD_BUFFER_SIZE If DestMax is NOT greater than\r | |
772 | StrLen(Destination).\r | |
773 | @retval RETURN_BUFFER_TOO_SMALL If (DestMax - StrLen(Destination)) is NOT\r | |
774 | greater than MIN(StrLen(Source), Length).\r | |
775 | @retval RETURN_INVALID_PARAMETER If Destination is NULL.\r | |
776 | If Source is NULL.\r | |
777 | If PcdMaximumAsciiStringLength is not zero,\r | |
9095d37b | 778 | and DestMax is greater than\r |
c058d59f JY |
779 | PcdMaximumAsciiStringLength.\r |
780 | If DestMax is 0.\r | |
781 | @retval RETURN_ACCESS_DENIED If Source and Destination overlap.\r | |
782 | **/\r | |
783 | RETURN_STATUS\r | |
784 | EFIAPI\r | |
785 | AsciiStrnCatS (\r | |
786 | IN OUT CHAR8 *Destination,\r | |
787 | IN UINTN DestMax,\r | |
788 | IN CONST CHAR8 *Source,\r | |
789 | IN UINTN Length\r | |
790 | );\r | |
791 | \r | |
d8af3301 HW |
792 | /**\r |
793 | Convert a Null-terminated Ascii decimal string to a value of type UINTN.\r | |
794 | \r | |
795 | This function outputs a value of type UINTN by interpreting the contents of\r | |
796 | the Ascii string specified by String as a decimal number. The format of the\r | |
797 | input Ascii string String is:\r | |
798 | \r | |
799 | [spaces] [decimal digits].\r | |
800 | \r | |
801 | The valid decimal digit character is in the range [0-9]. The function will\r | |
802 | ignore the pad space, which includes spaces or tab characters, before\r | |
803 | [decimal digits]. The running zero in the beginning of [decimal digits] will\r | |
804 | be ignored. Then, the function stops at the first character that is a not a\r | |
805 | valid decimal character or a Null-terminator, whichever one comes first.\r | |
806 | \r | |
807 | If String is NULL, then ASSERT().\r | |
808 | If Data is NULL, then ASSERT().\r | |
809 | If PcdMaximumAsciiStringLength is not zero, and String contains more than\r | |
810 | PcdMaximumAsciiStringLength Ascii characters, not including the\r | |
811 | Null-terminator, then ASSERT().\r | |
812 | \r | |
813 | If String has no valid decimal digits in the above format, then 0 is stored\r | |
814 | at the location pointed to by Data.\r | |
815 | If the number represented by String exceeds the range defined by UINTN, then\r | |
816 | MAX_UINTN is stored at the location pointed to by Data.\r | |
817 | \r | |
818 | If EndPointer is not NULL, a pointer to the character that stopped the scan\r | |
819 | is stored at the location pointed to by EndPointer. If String has no valid\r | |
820 | decimal digits right after the optional pad spaces, the value of String is\r | |
821 | stored at the location pointed to by EndPointer.\r | |
822 | \r | |
823 | @param String Pointer to a Null-terminated Ascii string.\r | |
824 | @param EndPointer Pointer to character that stops scan.\r | |
825 | @param Data Pointer to the converted value.\r | |
826 | \r | |
827 | @retval RETURN_SUCCESS Value is translated from String.\r | |
828 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
829 | If Data is NULL.\r | |
830 | If PcdMaximumAsciiStringLength is not zero,\r | |
831 | and String contains more than\r | |
832 | PcdMaximumAsciiStringLength Ascii\r | |
833 | characters, not including the\r | |
834 | Null-terminator.\r | |
835 | @retval RETURN_UNSUPPORTED If the number represented by String exceeds\r | |
836 | the range defined by UINTN.\r | |
837 | \r | |
838 | **/\r | |
839 | RETURN_STATUS\r | |
840 | EFIAPI\r | |
841 | AsciiStrDecimalToUintnS (\r | |
842 | IN CONST CHAR8 *String,\r | |
843 | OUT CHAR8 **EndPointer, OPTIONAL\r | |
844 | OUT UINTN *Data\r | |
845 | );\r | |
846 | \r | |
847 | /**\r | |
848 | Convert a Null-terminated Ascii decimal string to a value of type UINT64.\r | |
849 | \r | |
850 | This function outputs a value of type UINT64 by interpreting the contents of\r | |
851 | the Ascii string specified by String as a decimal number. The format of the\r | |
852 | input Ascii string String is:\r | |
853 | \r | |
854 | [spaces] [decimal digits].\r | |
855 | \r | |
856 | The valid decimal digit character is in the range [0-9]. The function will\r | |
857 | ignore the pad space, which includes spaces or tab characters, before\r | |
858 | [decimal digits]. The running zero in the beginning of [decimal digits] will\r | |
859 | be ignored. Then, the function stops at the first character that is a not a\r | |
860 | valid decimal character or a Null-terminator, whichever one comes first.\r | |
861 | \r | |
862 | If String is NULL, then ASSERT().\r | |
863 | If Data is NULL, then ASSERT().\r | |
864 | If PcdMaximumAsciiStringLength is not zero, and String contains more than\r | |
865 | PcdMaximumAsciiStringLength Ascii characters, not including the\r | |
866 | Null-terminator, then ASSERT().\r | |
867 | \r | |
868 | If String has no valid decimal digits in the above format, then 0 is stored\r | |
869 | at the location pointed to by Data.\r | |
870 | If the number represented by String exceeds the range defined by UINT64, then\r | |
871 | MAX_UINT64 is stored at the location pointed to by Data.\r | |
872 | \r | |
873 | If EndPointer is not NULL, a pointer to the character that stopped the scan\r | |
874 | is stored at the location pointed to by EndPointer. If String has no valid\r | |
875 | decimal digits right after the optional pad spaces, the value of String is\r | |
876 | stored at the location pointed to by EndPointer.\r | |
877 | \r | |
878 | @param String Pointer to a Null-terminated Ascii string.\r | |
879 | @param EndPointer Pointer to character that stops scan.\r | |
880 | @param Data Pointer to the converted value.\r | |
881 | \r | |
882 | @retval RETURN_SUCCESS Value is translated from String.\r | |
883 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
884 | If Data is NULL.\r | |
885 | If PcdMaximumAsciiStringLength is not zero,\r | |
886 | and String contains more than\r | |
887 | PcdMaximumAsciiStringLength Ascii\r | |
888 | characters, not including the\r | |
889 | Null-terminator.\r | |
890 | @retval RETURN_UNSUPPORTED If the number represented by String exceeds\r | |
891 | the range defined by UINT64.\r | |
892 | \r | |
893 | **/\r | |
894 | RETURN_STATUS\r | |
895 | EFIAPI\r | |
896 | AsciiStrDecimalToUint64S (\r | |
897 | IN CONST CHAR8 *String,\r | |
898 | OUT CHAR8 **EndPointer, OPTIONAL\r | |
899 | OUT UINT64 *Data\r | |
900 | );\r | |
901 | \r | |
902 | /**\r | |
903 | Convert a Null-terminated Ascii hexadecimal string to a value of type UINTN.\r | |
904 | \r | |
905 | This function outputs a value of type UINTN by interpreting the contents of\r | |
906 | the Ascii string specified by String as a hexadecimal number. The format of\r | |
907 | the input Ascii string String is:\r | |
908 | \r | |
909 | [spaces][zeros][x][hexadecimal digits].\r | |
910 | \r | |
911 | The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F].\r | |
912 | The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix. If\r | |
913 | "x" appears in the input string, it must be prefixed with at least one 0. The\r | |
914 | function will ignore the pad space, which includes spaces or tab characters,\r | |
915 | before [zeros], [x] or [hexadecimal digits]. The running zero before [x] or\r | |
916 | [hexadecimal digits] will be ignored. Then, the decoding starts after [x] or\r | |
917 | the first valid hexadecimal digit. Then, the function stops at the first\r | |
918 | character that is a not a valid hexadecimal character or Null-terminator,\r | |
919 | whichever on comes first.\r | |
920 | \r | |
921 | If String is NULL, then ASSERT().\r | |
922 | If Data is NULL, then ASSERT().\r | |
923 | If PcdMaximumAsciiStringLength is not zero, and String contains more than\r | |
924 | PcdMaximumAsciiStringLength Ascii characters, not including the\r | |
925 | Null-terminator, then ASSERT().\r | |
926 | \r | |
927 | If String has no valid hexadecimal digits in the above format, then 0 is\r | |
928 | stored at the location pointed to by Data.\r | |
929 | If the number represented by String exceeds the range defined by UINTN, then\r | |
930 | MAX_UINTN is stored at the location pointed to by Data.\r | |
931 | \r | |
932 | If EndPointer is not NULL, a pointer to the character that stopped the scan\r | |
933 | is stored at the location pointed to by EndPointer. If String has no valid\r | |
934 | hexadecimal digits right after the optional pad spaces, the value of String\r | |
935 | is stored at the location pointed to by EndPointer.\r | |
936 | \r | |
937 | @param String Pointer to a Null-terminated Ascii string.\r | |
938 | @param EndPointer Pointer to character that stops scan.\r | |
939 | @param Data Pointer to the converted value.\r | |
940 | \r | |
941 | @retval RETURN_SUCCESS Value is translated from String.\r | |
942 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
943 | If Data is NULL.\r | |
944 | If PcdMaximumAsciiStringLength is not zero,\r | |
945 | and String contains more than\r | |
946 | PcdMaximumAsciiStringLength Ascii\r | |
947 | characters, not including the\r | |
948 | Null-terminator.\r | |
949 | @retval RETURN_UNSUPPORTED If the number represented by String exceeds\r | |
950 | the range defined by UINTN.\r | |
951 | \r | |
952 | **/\r | |
953 | RETURN_STATUS\r | |
954 | EFIAPI\r | |
955 | AsciiStrHexToUintnS (\r | |
956 | IN CONST CHAR8 *String,\r | |
957 | OUT CHAR8 **EndPointer, OPTIONAL\r | |
958 | OUT UINTN *Data\r | |
959 | );\r | |
960 | \r | |
961 | /**\r | |
962 | Convert a Null-terminated Ascii hexadecimal string to a value of type UINT64.\r | |
963 | \r | |
964 | This function outputs a value of type UINT64 by interpreting the contents of\r | |
965 | the Ascii string specified by String as a hexadecimal number. The format of\r | |
966 | the input Ascii string String is:\r | |
967 | \r | |
968 | [spaces][zeros][x][hexadecimal digits].\r | |
969 | \r | |
970 | The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F].\r | |
971 | The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix. If\r | |
972 | "x" appears in the input string, it must be prefixed with at least one 0. The\r | |
973 | function will ignore the pad space, which includes spaces or tab characters,\r | |
974 | before [zeros], [x] or [hexadecimal digits]. The running zero before [x] or\r | |
975 | [hexadecimal digits] will be ignored. Then, the decoding starts after [x] or\r | |
976 | the first valid hexadecimal digit. Then, the function stops at the first\r | |
977 | character that is a not a valid hexadecimal character or Null-terminator,\r | |
978 | whichever on comes first.\r | |
979 | \r | |
980 | If String is NULL, then ASSERT().\r | |
981 | If Data is NULL, then ASSERT().\r | |
982 | If PcdMaximumAsciiStringLength is not zero, and String contains more than\r | |
983 | PcdMaximumAsciiStringLength Ascii characters, not including the\r | |
984 | Null-terminator, then ASSERT().\r | |
985 | \r | |
986 | If String has no valid hexadecimal digits in the above format, then 0 is\r | |
987 | stored at the location pointed to by Data.\r | |
988 | If the number represented by String exceeds the range defined by UINT64, then\r | |
989 | MAX_UINT64 is stored at the location pointed to by Data.\r | |
990 | \r | |
991 | If EndPointer is not NULL, a pointer to the character that stopped the scan\r | |
992 | is stored at the location pointed to by EndPointer. If String has no valid\r | |
993 | hexadecimal digits right after the optional pad spaces, the value of String\r | |
994 | is stored at the location pointed to by EndPointer.\r | |
995 | \r | |
996 | @param String Pointer to a Null-terminated Ascii string.\r | |
997 | @param EndPointer Pointer to character that stops scan.\r | |
998 | @param Data Pointer to the converted value.\r | |
999 | \r | |
1000 | @retval RETURN_SUCCESS Value is translated from String.\r | |
1001 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
1002 | If Data is NULL.\r | |
1003 | If PcdMaximumAsciiStringLength is not zero,\r | |
1004 | and String contains more than\r | |
1005 | PcdMaximumAsciiStringLength Ascii\r | |
1006 | characters, not including the\r | |
1007 | Null-terminator.\r | |
1008 | @retval RETURN_UNSUPPORTED If the number represented by String exceeds\r | |
1009 | the range defined by UINT64.\r | |
1010 | \r | |
1011 | **/\r | |
1012 | RETURN_STATUS\r | |
1013 | EFIAPI\r | |
1014 | AsciiStrHexToUint64S (\r | |
1015 | IN CONST CHAR8 *String,\r | |
1016 | OUT CHAR8 **EndPointer, OPTIONAL\r | |
1017 | OUT UINT64 *Data\r | |
1018 | );\r | |
1019 | \r | |
c058d59f | 1020 | \r |
1bb390f1 ED |
1021 | #ifndef DISABLE_NEW_DEPRECATED_INTERFACES\r |
1022 | \r | |
ac644614 | 1023 | /**\r |
ae591c14 | 1024 | [ATTENTION] This function is deprecated for security reason.\r |
1bb390f1 | 1025 | \r |
ac644614 | 1026 | Copies one Null-terminated Unicode string to another Null-terminated Unicode\r |
1027 | string and returns the new Unicode string.\r | |
1028 | \r | |
1029 | This function copies the contents of the Unicode string Source to the Unicode\r | |
1030 | string Destination, and returns Destination. If Source and Destination\r | |
1031 | overlap, then the results are undefined.\r | |
1032 | \r | |
1033 | If Destination is NULL, then ASSERT().\r | |
1034 | If Destination is not aligned on a 16-bit boundary, then ASSERT().\r | |
1035 | If Source is NULL, then ASSERT().\r | |
1036 | If Source is not aligned on a 16-bit boundary, then ASSERT().\r | |
1037 | If Source and Destination overlap, then ASSERT().\r | |
1038 | If PcdMaximumUnicodeStringLength is not zero, and Source contains more than\r | |
1039 | PcdMaximumUnicodeStringLength Unicode characters not including the\r | |
1040 | Null-terminator, then ASSERT().\r | |
1041 | \r | |
af2dc6a7 | 1042 | @param Destination The pointer to a Null-terminated Unicode string.\r |
1043 | @param Source The pointer to a Null-terminated Unicode string.\r | |
ac644614 | 1044 | \r |
9aa049d9 | 1045 | @return Destination.\r |
ac644614 | 1046 | \r |
1047 | **/\r | |
1048 | CHAR16 *\r | |
1049 | EFIAPI\r | |
1050 | StrCpy (\r | |
1051 | OUT CHAR16 *Destination,\r | |
1052 | IN CONST CHAR16 *Source\r | |
1053 | );\r | |
1054 | \r | |
1055 | \r | |
1056 | /**\r | |
ae591c14 | 1057 | [ATTENTION] This function is deprecated for security reason.\r |
1bb390f1 | 1058 | \r |
9095d37b | 1059 | Copies up to a specified length from one Null-terminated Unicode string to\r |
17f695ed | 1060 | another Null-terminated Unicode string and returns the new Unicode string.\r |
ac644614 | 1061 | \r |
1062 | This function copies the contents of the Unicode string Source to the Unicode\r | |
1063 | string Destination, and returns Destination. At most, Length Unicode\r | |
1064 | characters are copied from Source to Destination. If Length is 0, then\r | |
1065 | Destination is returned unmodified. If Length is greater that the number of\r | |
1066 | Unicode characters in Source, then Destination is padded with Null Unicode\r | |
1067 | characters. If Source and Destination overlap, then the results are\r | |
1068 | undefined.\r | |
1069 | \r | |
1070 | If Length > 0 and Destination is NULL, then ASSERT().\r | |
1071 | If Length > 0 and Destination is not aligned on a 16-bit boundary, then ASSERT().\r | |
1072 | If Length > 0 and Source is NULL, then ASSERT().\r | |
77f863ee | 1073 | If Length > 0 and Source is not aligned on a 16-bit boundary, then ASSERT().\r |
ac644614 | 1074 | If Source and Destination overlap, then ASSERT().\r |
9095d37b | 1075 | If PcdMaximumUnicodeStringLength is not zero, and Length is greater than\r |
50c247fd | 1076 | PcdMaximumUnicodeStringLength, then ASSERT().\r |
ac644614 | 1077 | If PcdMaximumUnicodeStringLength is not zero, and Source contains more than\r |
50c247fd | 1078 | PcdMaximumUnicodeStringLength Unicode characters, not including the Null-terminator,\r |
1079 | then ASSERT().\r | |
ac644614 | 1080 | \r |
af2dc6a7 | 1081 | @param Destination The pointer to a Null-terminated Unicode string.\r |
1082 | @param Source The pointer to a Null-terminated Unicode string.\r | |
1083 | @param Length The maximum number of Unicode characters to copy.\r | |
ac644614 | 1084 | \r |
9aa049d9 | 1085 | @return Destination.\r |
ac644614 | 1086 | \r |
1087 | **/\r | |
1088 | CHAR16 *\r | |
1089 | EFIAPI\r | |
1090 | StrnCpy (\r | |
1091 | OUT CHAR16 *Destination,\r | |
1092 | IN CONST CHAR16 *Source,\r | |
1093 | IN UINTN Length\r | |
1094 | );\r | |
de4f7f52 | 1095 | #endif // !defined (DISABLE_NEW_DEPRECATED_INTERFACES)\r |
ac644614 | 1096 | \r |
1097 | /**\r | |
1098 | Returns the length of a Null-terminated Unicode string.\r | |
1099 | \r | |
1100 | This function returns the number of Unicode characters in the Null-terminated\r | |
1101 | Unicode string specified by String.\r | |
1102 | \r | |
1103 | If String is NULL, then ASSERT().\r | |
1104 | If String is not aligned on a 16-bit boundary, then ASSERT().\r | |
1105 | If PcdMaximumUnicodeStringLength is not zero, and String contains more than\r | |
1106 | PcdMaximumUnicodeStringLength Unicode characters not including the\r | |
1107 | Null-terminator, then ASSERT().\r | |
1108 | \r | |
1109 | @param String Pointer to a Null-terminated Unicode string.\r | |
1110 | \r | |
1111 | @return The length of String.\r | |
1112 | \r | |
1113 | **/\r | |
1114 | UINTN\r | |
1115 | EFIAPI\r | |
1116 | StrLen (\r | |
1117 | IN CONST CHAR16 *String\r | |
1118 | );\r | |
1119 | \r | |
1120 | \r | |
1121 | /**\r | |
1122 | Returns the size of a Null-terminated Unicode string in bytes, including the\r | |
1123 | Null terminator.\r | |
1124 | \r | |
9095d37b | 1125 | This function returns the size, in bytes, of the Null-terminated Unicode string\r |
17f695ed | 1126 | specified by String.\r |
ac644614 | 1127 | \r |
1128 | If String is NULL, then ASSERT().\r | |
1129 | If String is not aligned on a 16-bit boundary, then ASSERT().\r | |
1130 | If PcdMaximumUnicodeStringLength is not zero, and String contains more than\r | |
1131 | PcdMaximumUnicodeStringLength Unicode characters not including the\r | |
1132 | Null-terminator, then ASSERT().\r | |
1133 | \r | |
af2dc6a7 | 1134 | @param String The pointer to a Null-terminated Unicode string.\r |
ac644614 | 1135 | \r |
1136 | @return The size of String.\r | |
1137 | \r | |
1138 | **/\r | |
1139 | UINTN\r | |
1140 | EFIAPI\r | |
1141 | StrSize (\r | |
1142 | IN CONST CHAR16 *String\r | |
1143 | );\r | |
1144 | \r | |
1145 | \r | |
1146 | /**\r | |
1147 | Compares two Null-terminated Unicode strings, and returns the difference\r | |
1148 | between the first mismatched Unicode characters.\r | |
1149 | \r | |
1150 | This function compares the Null-terminated Unicode string FirstString to the\r | |
1151 | Null-terminated Unicode string SecondString. If FirstString is identical to\r | |
1152 | SecondString, then 0 is returned. Otherwise, the value returned is the first\r | |
1153 | mismatched Unicode character in SecondString subtracted from the first\r | |
1154 | mismatched Unicode character in FirstString.\r | |
1155 | \r | |
1156 | If FirstString is NULL, then ASSERT().\r | |
1157 | If FirstString is not aligned on a 16-bit boundary, then ASSERT().\r | |
1158 | If SecondString is NULL, then ASSERT().\r | |
1159 | If SecondString is not aligned on a 16-bit boundary, then ASSERT().\r | |
1160 | If PcdMaximumUnicodeStringLength is not zero, and FirstString contains more\r | |
1161 | than PcdMaximumUnicodeStringLength Unicode characters not including the\r | |
1162 | Null-terminator, then ASSERT().\r | |
1163 | If PcdMaximumUnicodeStringLength is not zero, and SecondString contains more\r | |
af2dc6a7 | 1164 | than PcdMaximumUnicodeStringLength Unicode characters, not including the\r |
ac644614 | 1165 | Null-terminator, then ASSERT().\r |
1166 | \r | |
af2dc6a7 | 1167 | @param FirstString The pointer to a Null-terminated Unicode string.\r |
1168 | @param SecondString The pointer to a Null-terminated Unicode string.\r | |
ac644614 | 1169 | \r |
1106ffe1 | 1170 | @retval 0 FirstString is identical to SecondString.\r |
1171 | @return others FirstString is not identical to SecondString.\r | |
ac644614 | 1172 | \r |
1173 | **/\r | |
1174 | INTN\r | |
1175 | EFIAPI\r | |
1176 | StrCmp (\r | |
1177 | IN CONST CHAR16 *FirstString,\r | |
1178 | IN CONST CHAR16 *SecondString\r | |
1179 | );\r | |
1180 | \r | |
1181 | \r | |
1182 | /**\r | |
17f695ed | 1183 | Compares up to a specified length the contents of two Null-terminated Unicode strings,\r |
1184 | and returns the difference between the first mismatched Unicode characters.\r | |
9095d37b | 1185 | \r |
ac644614 | 1186 | This function compares the Null-terminated Unicode string FirstString to the\r |
1187 | Null-terminated Unicode string SecondString. At most, Length Unicode\r | |
1188 | characters will be compared. If Length is 0, then 0 is returned. If\r | |
1189 | FirstString is identical to SecondString, then 0 is returned. Otherwise, the\r | |
1190 | value returned is the first mismatched Unicode character in SecondString\r | |
1191 | subtracted from the first mismatched Unicode character in FirstString.\r | |
1192 | \r | |
1193 | If Length > 0 and FirstString is NULL, then ASSERT().\r | |
77f863ee | 1194 | If Length > 0 and FirstString is not aligned on a 16-bit boundary, then ASSERT().\r |
ac644614 | 1195 | If Length > 0 and SecondString is NULL, then ASSERT().\r |
77f863ee | 1196 | If Length > 0 and SecondString is not aligned on a 16-bit boundary, then ASSERT().\r |
50c247fd | 1197 | If PcdMaximumUnicodeStringLength is not zero, and Length is greater than\r |
1198 | PcdMaximumUnicodeStringLength, then ASSERT().\r | |
1199 | If PcdMaximumUnicodeStringLength is not zero, and FirstString contains more than\r | |
1200 | PcdMaximumUnicodeStringLength Unicode characters, not including the Null-terminator,\r | |
1201 | then ASSERT().\r | |
1202 | If PcdMaximumUnicodeStringLength is not zero, and SecondString contains more than\r | |
1203 | PcdMaximumUnicodeStringLength Unicode characters, not including the Null-terminator,\r | |
1204 | then ASSERT().\r | |
ac644614 | 1205 | \r |
af2dc6a7 | 1206 | @param FirstString The pointer to a Null-terminated Unicode string.\r |
1207 | @param SecondString The pointer to a Null-terminated Unicode string.\r | |
1208 | @param Length The maximum number of Unicode characters to compare.\r | |
ac644614 | 1209 | \r |
1106ffe1 | 1210 | @retval 0 FirstString is identical to SecondString.\r |
1211 | @return others FirstString is not identical to SecondString.\r | |
ac644614 | 1212 | \r |
1213 | **/\r | |
1214 | INTN\r | |
1215 | EFIAPI\r | |
1216 | StrnCmp (\r | |
1217 | IN CONST CHAR16 *FirstString,\r | |
1218 | IN CONST CHAR16 *SecondString,\r | |
1219 | IN UINTN Length\r | |
1220 | );\r | |
1221 | \r | |
1222 | \r | |
1bb390f1 ED |
1223 | #ifndef DISABLE_NEW_DEPRECATED_INTERFACES\r |
1224 | \r | |
ac644614 | 1225 | /**\r |
ae591c14 | 1226 | [ATTENTION] This function is deprecated for security reason.\r |
1bb390f1 | 1227 | \r |
ac644614 | 1228 | Concatenates one Null-terminated Unicode string to another Null-terminated\r |
1229 | Unicode string, and returns the concatenated Unicode string.\r | |
1230 | \r | |
1231 | This function concatenates two Null-terminated Unicode strings. The contents\r | |
1232 | of Null-terminated Unicode string Source are concatenated to the end of\r | |
1233 | Null-terminated Unicode string Destination. The Null-terminated concatenated\r | |
1234 | Unicode String is returned. If Source and Destination overlap, then the\r | |
1235 | results are undefined.\r | |
1236 | \r | |
1237 | If Destination is NULL, then ASSERT().\r | |
77f863ee | 1238 | If Destination is not aligned on a 16-bit boundary, then ASSERT().\r |
ac644614 | 1239 | If Source is NULL, then ASSERT().\r |
77f863ee | 1240 | If Source is not aligned on a 16-bit boundary, then ASSERT().\r |
ac644614 | 1241 | If Source and Destination overlap, then ASSERT().\r |
1242 | If PcdMaximumUnicodeStringLength is not zero, and Destination contains more\r | |
af2dc6a7 | 1243 | than PcdMaximumUnicodeStringLength Unicode characters, not including the\r |
ac644614 | 1244 | Null-terminator, then ASSERT().\r |
1245 | If PcdMaximumUnicodeStringLength is not zero, and Source contains more than\r | |
af2dc6a7 | 1246 | PcdMaximumUnicodeStringLength Unicode characters, not including the\r |
ac644614 | 1247 | Null-terminator, then ASSERT().\r |
1248 | If PcdMaximumUnicodeStringLength is not zero, and concatenating Destination\r | |
1249 | and Source results in a Unicode string with more than\r | |
af2dc6a7 | 1250 | PcdMaximumUnicodeStringLength Unicode characters, not including the\r |
ac644614 | 1251 | Null-terminator, then ASSERT().\r |
1252 | \r | |
af2dc6a7 | 1253 | @param Destination The pointer to a Null-terminated Unicode string.\r |
1254 | @param Source The pointer to a Null-terminated Unicode string.\r | |
ac644614 | 1255 | \r |
9aa049d9 | 1256 | @return Destination.\r |
ac644614 | 1257 | \r |
1258 | **/\r | |
1259 | CHAR16 *\r | |
1260 | EFIAPI\r | |
1261 | StrCat (\r | |
1262 | IN OUT CHAR16 *Destination,\r | |
1263 | IN CONST CHAR16 *Source\r | |
1264 | );\r | |
1265 | \r | |
1266 | \r | |
1267 | /**\r | |
ae591c14 | 1268 | [ATTENTION] This function is deprecated for security reason.\r |
1bb390f1 | 1269 | \r |
9095d37b LG |
1270 | Concatenates up to a specified length one Null-terminated Unicode to the end\r |
1271 | of another Null-terminated Unicode string, and returns the concatenated\r | |
ac644614 | 1272 | Unicode string.\r |
1273 | \r | |
1274 | This function concatenates two Null-terminated Unicode strings. The contents\r | |
1275 | of Null-terminated Unicode string Source are concatenated to the end of\r | |
1276 | Null-terminated Unicode string Destination, and Destination is returned. At\r | |
1277 | most, Length Unicode characters are concatenated from Source to the end of\r | |
1278 | Destination, and Destination is always Null-terminated. If Length is 0, then\r | |
1279 | Destination is returned unmodified. If Source and Destination overlap, then\r | |
1280 | the results are undefined.\r | |
1281 | \r | |
1282 | If Destination is NULL, then ASSERT().\r | |
1283 | If Length > 0 and Destination is not aligned on a 16-bit boundary, then ASSERT().\r | |
1284 | If Length > 0 and Source is NULL, then ASSERT().\r | |
1285 | If Length > 0 and Source is not aligned on a 16-bit boundary, then ASSERT().\r | |
1286 | If Source and Destination overlap, then ASSERT().\r | |
9095d37b | 1287 | If PcdMaximumUnicodeStringLength is not zero, and Length is greater than\r |
50c247fd | 1288 | PcdMaximumUnicodeStringLength, then ASSERT().\r |
ac644614 | 1289 | If PcdMaximumUnicodeStringLength is not zero, and Destination contains more\r |
50c247fd | 1290 | than PcdMaximumUnicodeStringLength Unicode characters, not including the\r |
ac644614 | 1291 | Null-terminator, then ASSERT().\r |
1292 | If PcdMaximumUnicodeStringLength is not zero, and Source contains more than\r | |
50c247fd | 1293 | PcdMaximumUnicodeStringLength Unicode characters, not including the\r |
ac644614 | 1294 | Null-terminator, then ASSERT().\r |
1295 | If PcdMaximumUnicodeStringLength is not zero, and concatenating Destination\r | |
50c247fd | 1296 | and Source results in a Unicode string with more than PcdMaximumUnicodeStringLength\r |
1297 | Unicode characters, not including the Null-terminator, then ASSERT().\r | |
ac644614 | 1298 | \r |
af2dc6a7 | 1299 | @param Destination The pointer to a Null-terminated Unicode string.\r |
1300 | @param Source The pointer to a Null-terminated Unicode string.\r | |
1301 | @param Length The maximum number of Unicode characters to concatenate from\r | |
ac644614 | 1302 | Source.\r |
1303 | \r | |
9aa049d9 | 1304 | @return Destination.\r |
ac644614 | 1305 | \r |
1306 | **/\r | |
1307 | CHAR16 *\r | |
1308 | EFIAPI\r | |
1309 | StrnCat (\r | |
1310 | IN OUT CHAR16 *Destination,\r | |
1311 | IN CONST CHAR16 *Source,\r | |
1312 | IN UINTN Length\r | |
1313 | );\r | |
de4f7f52 | 1314 | #endif // !defined (DISABLE_NEW_DEPRECATED_INTERFACES)\r |
ac644614 | 1315 | \r |
1316 | /**\r | |
9aa049d9 | 1317 | Returns the first occurrence of a Null-terminated Unicode sub-string\r |
ac644614 | 1318 | in a Null-terminated Unicode string.\r |
1319 | \r | |
1320 | This function scans the contents of the Null-terminated Unicode string\r | |
1321 | specified by String and returns the first occurrence of SearchString.\r | |
1322 | If SearchString is not found in String, then NULL is returned. If\r | |
af2dc6a7 | 1323 | the length of SearchString is zero, then String is returned.\r |
ac644614 | 1324 | \r |
1325 | If String is NULL, then ASSERT().\r | |
1326 | If String is not aligned on a 16-bit boundary, then ASSERT().\r | |
1327 | If SearchString is NULL, then ASSERT().\r | |
1328 | If SearchString is not aligned on a 16-bit boundary, then ASSERT().\r | |
1329 | \r | |
1330 | If PcdMaximumUnicodeStringLength is not zero, and SearchString\r | |
1331 | or String contains more than PcdMaximumUnicodeStringLength Unicode\r | |
af2dc6a7 | 1332 | characters, not including the Null-terminator, then ASSERT().\r |
ac644614 | 1333 | \r |
af2dc6a7 | 1334 | @param String The pointer to a Null-terminated Unicode string.\r |
1335 | @param SearchString The pointer to a Null-terminated Unicode string to search for.\r | |
ac644614 | 1336 | \r |
1337 | @retval NULL If the SearchString does not appear in String.\r | |
1106ffe1 | 1338 | @return others If there is a match.\r |
ac644614 | 1339 | \r |
1340 | **/\r | |
1341 | CHAR16 *\r | |
1342 | EFIAPI\r | |
1343 | StrStr (\r | |
17f695ed | 1344 | IN CONST CHAR16 *String,\r |
1345 | IN CONST CHAR16 *SearchString\r | |
ac644614 | 1346 | );\r |
1347 | \r | |
1348 | /**\r | |
1349 | Convert a Null-terminated Unicode decimal string to a value of\r | |
1350 | type UINTN.\r | |
1351 | \r | |
1352 | This function returns a value of type UINTN by interpreting the contents\r | |
1353 | of the Unicode string specified by String as a decimal number. The format\r | |
1354 | of the input Unicode string String is:\r | |
1355 | \r | |
1356 | [spaces] [decimal digits].\r | |
1357 | \r | |
1358 | The valid decimal digit character is in the range [0-9]. The\r | |
1359 | function will ignore the pad space, which includes spaces or\r | |
1360 | tab characters, before [decimal digits]. The running zero in the\r | |
1361 | beginning of [decimal digits] will be ignored. Then, the function\r | |
1362 | stops at the first character that is a not a valid decimal character\r | |
1363 | or a Null-terminator, whichever one comes first.\r | |
1364 | \r | |
1365 | If String is NULL, then ASSERT().\r | |
1366 | If String is not aligned in a 16-bit boundary, then ASSERT().\r | |
1367 | If String has only pad spaces, then 0 is returned.\r | |
1368 | If String has no pad spaces or valid decimal digits,\r | |
1369 | then 0 is returned.\r | |
1370 | If the number represented by String overflows according\r | |
ea2e0921 | 1371 | to the range defined by UINTN, then MAX_UINTN is returned.\r |
ac644614 | 1372 | \r |
1373 | If PcdMaximumUnicodeStringLength is not zero, and String contains\r | |
1374 | more than PcdMaximumUnicodeStringLength Unicode characters not including\r | |
1375 | the Null-terminator, then ASSERT().\r | |
1376 | \r | |
af2dc6a7 | 1377 | @param String The pointer to a Null-terminated Unicode string.\r |
ac644614 | 1378 | \r |
38bbd3d9 | 1379 | @retval Value translated from String.\r |
ac644614 | 1380 | \r |
1381 | **/\r | |
1382 | UINTN\r | |
1383 | EFIAPI\r | |
1384 | StrDecimalToUintn (\r | |
17f695ed | 1385 | IN CONST CHAR16 *String\r |
ac644614 | 1386 | );\r |
1387 | \r | |
1388 | /**\r | |
1389 | Convert a Null-terminated Unicode decimal string to a value of\r | |
1390 | type UINT64.\r | |
1391 | \r | |
1392 | This function returns a value of type UINT64 by interpreting the contents\r | |
1393 | of the Unicode string specified by String as a decimal number. The format\r | |
1394 | of the input Unicode string String is:\r | |
1395 | \r | |
1396 | [spaces] [decimal digits].\r | |
1397 | \r | |
1398 | The valid decimal digit character is in the range [0-9]. The\r | |
1399 | function will ignore the pad space, which includes spaces or\r | |
1400 | tab characters, before [decimal digits]. The running zero in the\r | |
1401 | beginning of [decimal digits] will be ignored. Then, the function\r | |
1402 | stops at the first character that is a not a valid decimal character\r | |
1403 | or a Null-terminator, whichever one comes first.\r | |
1404 | \r | |
1405 | If String is NULL, then ASSERT().\r | |
1406 | If String is not aligned in a 16-bit boundary, then ASSERT().\r | |
1407 | If String has only pad spaces, then 0 is returned.\r | |
1408 | If String has no pad spaces or valid decimal digits,\r | |
1409 | then 0 is returned.\r | |
1410 | If the number represented by String overflows according\r | |
ea2e0921 | 1411 | to the range defined by UINT64, then MAX_UINT64 is returned.\r |
ac644614 | 1412 | \r |
1413 | If PcdMaximumUnicodeStringLength is not zero, and String contains\r | |
1414 | more than PcdMaximumUnicodeStringLength Unicode characters not including\r | |
1415 | the Null-terminator, then ASSERT().\r | |
1416 | \r | |
af2dc6a7 | 1417 | @param String The pointer to a Null-terminated Unicode string.\r |
ac644614 | 1418 | \r |
38bbd3d9 | 1419 | @retval Value translated from String.\r |
ac644614 | 1420 | \r |
1421 | **/\r | |
1422 | UINT64\r | |
1423 | EFIAPI\r | |
1424 | StrDecimalToUint64 (\r | |
17f695ed | 1425 | IN CONST CHAR16 *String\r |
ac644614 | 1426 | );\r |
9095d37b | 1427 | \r |
ac644614 | 1428 | \r |
1429 | /**\r | |
1430 | Convert a Null-terminated Unicode hexadecimal string to a value of type UINTN.\r | |
1431 | \r | |
1432 | This function returns a value of type UINTN by interpreting the contents\r | |
1433 | of the Unicode string specified by String as a hexadecimal number.\r | |
1434 | The format of the input Unicode string String is:\r | |
1435 | \r | |
1436 | [spaces][zeros][x][hexadecimal digits].\r | |
1437 | \r | |
1438 | The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F].\r | |
1439 | The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix.\r | |
1440 | If "x" appears in the input string, it must be prefixed with at least one 0.\r | |
1441 | The function will ignore the pad space, which includes spaces or tab characters,\r | |
1442 | before [zeros], [x] or [hexadecimal digit]. The running zero before [x] or\r | |
1443 | [hexadecimal digit] will be ignored. Then, the decoding starts after [x] or the\r | |
9095d37b | 1444 | first valid hexadecimal digit. Then, the function stops at the first character\r |
af2dc6a7 | 1445 | that is a not a valid hexadecimal character or NULL, whichever one comes first.\r |
ac644614 | 1446 | \r |
1447 | If String is NULL, then ASSERT().\r | |
1448 | If String is not aligned in a 16-bit boundary, then ASSERT().\r | |
1449 | If String has only pad spaces, then zero is returned.\r | |
1450 | If String has no leading pad spaces, leading zeros or valid hexadecimal digits,\r | |
1451 | then zero is returned.\r | |
1452 | If the number represented by String overflows according to the range defined by\r | |
ea2e0921 | 1453 | UINTN, then MAX_UINTN is returned.\r |
ac644614 | 1454 | \r |
1455 | If PcdMaximumUnicodeStringLength is not zero, and String contains more than\r | |
1456 | PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator,\r | |
1457 | then ASSERT().\r | |
1458 | \r | |
af2dc6a7 | 1459 | @param String The pointer to a Null-terminated Unicode string.\r |
ac644614 | 1460 | \r |
38bbd3d9 | 1461 | @retval Value translated from String.\r |
ac644614 | 1462 | \r |
1463 | **/\r | |
1464 | UINTN\r | |
1465 | EFIAPI\r | |
1466 | StrHexToUintn (\r | |
17f695ed | 1467 | IN CONST CHAR16 *String\r |
ac644614 | 1468 | );\r |
1469 | \r | |
1470 | \r | |
1471 | /**\r | |
1472 | Convert a Null-terminated Unicode hexadecimal string to a value of type UINT64.\r | |
1473 | \r | |
1474 | This function returns a value of type UINT64 by interpreting the contents\r | |
1475 | of the Unicode string specified by String as a hexadecimal number.\r | |
1476 | The format of the input Unicode string String is\r | |
1477 | \r | |
1478 | [spaces][zeros][x][hexadecimal digits].\r | |
1479 | \r | |
1480 | The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F].\r | |
1481 | The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix.\r | |
1482 | If "x" appears in the input string, it must be prefixed with at least one 0.\r | |
1483 | The function will ignore the pad space, which includes spaces or tab characters,\r | |
1484 | before [zeros], [x] or [hexadecimal digit]. The running zero before [x] or\r | |
1485 | [hexadecimal digit] will be ignored. Then, the decoding starts after [x] or the\r | |
1486 | first valid hexadecimal digit. Then, the function stops at the first character that is\r | |
1487 | a not a valid hexadecimal character or NULL, whichever one comes first.\r | |
1488 | \r | |
1489 | If String is NULL, then ASSERT().\r | |
1490 | If String is not aligned in a 16-bit boundary, then ASSERT().\r | |
1491 | If String has only pad spaces, then zero is returned.\r | |
1492 | If String has no leading pad spaces, leading zeros or valid hexadecimal digits,\r | |
1493 | then zero is returned.\r | |
1494 | If the number represented by String overflows according to the range defined by\r | |
ea2e0921 | 1495 | UINT64, then MAX_UINT64 is returned.\r |
ac644614 | 1496 | \r |
1497 | If PcdMaximumUnicodeStringLength is not zero, and String contains more than\r | |
1498 | PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator,\r | |
1499 | then ASSERT().\r | |
1500 | \r | |
af2dc6a7 | 1501 | @param String The pointer to a Null-terminated Unicode string.\r |
ac644614 | 1502 | \r |
38bbd3d9 | 1503 | @retval Value translated from String.\r |
ac644614 | 1504 | \r |
1505 | **/\r | |
1506 | UINT64\r | |
1507 | EFIAPI\r | |
1508 | StrHexToUint64 (\r | |
17f695ed | 1509 | IN CONST CHAR16 *String\r |
ac644614 | 1510 | );\r |
1511 | \r | |
36396ea2 RN |
1512 | /**\r |
1513 | Convert a Null-terminated Unicode string to IPv6 address and prefix length.\r | |
1514 | \r | |
1515 | This function outputs a value of type IPv6_ADDRESS and may output a value\r | |
1516 | of type UINT8 by interpreting the contents of the Unicode string specified\r | |
1517 | by String. The format of the input Unicode string String is as follows:\r | |
1518 | \r | |
1519 | X:X:X:X:X:X:X:X[/P]\r | |
1520 | \r | |
1521 | X contains one to four hexadecimal digit characters in the range [0-9], [a-f] and\r | |
1522 | [A-F]. X is converted to a value of type UINT16, whose low byte is stored in low\r | |
1523 | memory address and high byte is stored in high memory address. P contains decimal\r | |
1524 | digit characters in the range [0-9]. The running zero in the beginning of P will\r | |
1525 | be ignored. /P is optional.\r | |
1526 | \r | |
1527 | When /P is not in the String, the function stops at the first character that is\r | |
1528 | not a valid hexadecimal digit character after eight X's are converted.\r | |
1529 | \r | |
1530 | When /P is in the String, the function stops at the first character that is not\r | |
1531 | a valid decimal digit character after P is converted.\r | |
1532 | \r | |
1533 | "::" can be used to compress one or more groups of X when X contains only 0.\r | |
1534 | The "::" can only appear once in the String.\r | |
1535 | \r | |
1536 | If String is NULL, then ASSERT().\r | |
1537 | \r | |
1538 | If Address is NULL, then ASSERT().\r | |
1539 | \r | |
1540 | If String is not aligned in a 16-bit boundary, then ASSERT().\r | |
1541 | \r | |
1542 | If PcdMaximumUnicodeStringLength is not zero, and String contains more than\r | |
1543 | PcdMaximumUnicodeStringLength Unicode characters, not including the\r | |
1544 | Null-terminator, then ASSERT().\r | |
1545 | \r | |
1546 | If EndPointer is not NULL and Address is translated from String, a pointer\r | |
1547 | to the character that stopped the scan is stored at the location pointed to\r | |
1548 | by EndPointer.\r | |
1549 | \r | |
1550 | @param String Pointer to a Null-terminated Unicode string.\r | |
1551 | @param EndPointer Pointer to character that stops scan.\r | |
1552 | @param Address Pointer to the converted IPv6 address.\r | |
1553 | @param PrefixLength Pointer to the converted IPv6 address prefix\r | |
1554 | length. MAX_UINT8 is returned when /P is\r | |
1555 | not in the String.\r | |
1556 | \r | |
1557 | @retval RETURN_SUCCESS Address is translated from String.\r | |
1558 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
1559 | If Data is NULL.\r | |
1560 | @retval RETURN_UNSUPPORTED If X contains more than four hexadecimal\r | |
1561 | digit characters.\r | |
1562 | If String contains "::" and number of X\r | |
1563 | is not less than 8.\r | |
1564 | If P starts with character that is not a\r | |
1565 | valid decimal digit character.\r | |
1566 | If the decimal number converted from P\r | |
1567 | exceeds 128.\r | |
1568 | \r | |
1569 | **/\r | |
1570 | RETURN_STATUS\r | |
1571 | EFIAPI\r | |
1572 | StrToIpv6Address (\r | |
1573 | IN CONST CHAR16 *String,\r | |
1574 | OUT CHAR16 **EndPointer, OPTIONAL\r | |
1575 | OUT IPv6_ADDRESS *Address,\r | |
1576 | OUT UINT8 *PrefixLength OPTIONAL\r | |
1577 | );\r | |
1578 | \r | |
1579 | /**\r | |
1580 | Convert a Null-terminated Unicode string to IPv4 address and prefix length.\r | |
1581 | \r | |
1582 | This function outputs a value of type IPv4_ADDRESS and may output a value\r | |
1583 | of type UINT8 by interpreting the contents of the Unicode string specified\r | |
1584 | by String. The format of the input Unicode string String is as follows:\r | |
1585 | \r | |
1586 | D.D.D.D[/P]\r | |
1587 | \r | |
1588 | D and P are decimal digit characters in the range [0-9]. The running zero in\r | |
1589 | the beginning of D and P will be ignored. /P is optional.\r | |
1590 | \r | |
1591 | When /P is not in the String, the function stops at the first character that is\r | |
1592 | not a valid decimal digit character after four D's are converted.\r | |
1593 | \r | |
1594 | When /P is in the String, the function stops at the first character that is not\r | |
1595 | a valid decimal digit character after P is converted.\r | |
1596 | \r | |
1597 | If String is NULL, then ASSERT().\r | |
1598 | \r | |
1599 | If Address is NULL, then ASSERT().\r | |
1600 | \r | |
1601 | If String is not aligned in a 16-bit boundary, then ASSERT().\r | |
1602 | \r | |
1603 | If PcdMaximumUnicodeStringLength is not zero, and String contains more than\r | |
1604 | PcdMaximumUnicodeStringLength Unicode characters, not including the\r | |
1605 | Null-terminator, then ASSERT().\r | |
1606 | \r | |
1607 | If EndPointer is not NULL and Address is translated from String, a pointer\r | |
1608 | to the character that stopped the scan is stored at the location pointed to\r | |
1609 | by EndPointer.\r | |
1610 | \r | |
1611 | @param String Pointer to a Null-terminated Unicode string.\r | |
1612 | @param EndPointer Pointer to character that stops scan.\r | |
1613 | @param Address Pointer to the converted IPv4 address.\r | |
1614 | @param PrefixLength Pointer to the converted IPv4 address prefix\r | |
1615 | length. MAX_UINT8 is returned when /P is\r | |
1616 | not in the String.\r | |
1617 | \r | |
1618 | @retval RETURN_SUCCESS Address is translated from String.\r | |
1619 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
1620 | If Data is NULL.\r | |
1621 | @retval RETURN_UNSUPPORTED If String is not in the correct format.\r | |
1622 | If any decimal number converted from D\r | |
1623 | exceeds 255.\r | |
1624 | If the decimal number converted from P\r | |
1625 | exceeds 32.\r | |
1626 | \r | |
1627 | **/\r | |
1628 | RETURN_STATUS\r | |
1629 | EFIAPI\r | |
1630 | StrToIpv4Address (\r | |
1631 | IN CONST CHAR16 *String,\r | |
1632 | OUT CHAR16 **EndPointer, OPTIONAL\r | |
1633 | OUT IPv4_ADDRESS *Address,\r | |
1634 | OUT UINT8 *PrefixLength OPTIONAL\r | |
1635 | );\r | |
1636 | \r | |
1637 | #define GUID_STRING_LENGTH 36\r | |
1638 | \r | |
1639 | /**\r | |
1640 | Convert a Null-terminated Unicode GUID string to a value of type\r | |
1641 | EFI_GUID.\r | |
1642 | \r | |
1643 | This function outputs a GUID value by interpreting the contents of\r | |
1644 | the Unicode string specified by String. The format of the input\r | |
1645 | Unicode string String consists of 36 characters, as follows:\r | |
1646 | \r | |
1647 | aabbccdd-eeff-gghh-iijj-kkllmmnnoopp\r | |
1648 | \r | |
1649 | The pairs aa - pp are two characters in the range [0-9], [a-f] and\r | |
1650 | [A-F], with each pair representing a single byte hexadecimal value.\r | |
1651 | \r | |
1652 | The mapping between String and the EFI_GUID structure is as follows:\r | |
1653 | aa Data1[24:31]\r | |
1654 | bb Data1[16:23]\r | |
1655 | cc Data1[8:15]\r | |
1656 | dd Data1[0:7]\r | |
1657 | ee Data2[8:15]\r | |
1658 | ff Data2[0:7]\r | |
1659 | gg Data3[8:15]\r | |
1660 | hh Data3[0:7]\r | |
1661 | ii Data4[0:7]\r | |
1662 | jj Data4[8:15]\r | |
1663 | kk Data4[16:23]\r | |
1664 | ll Data4[24:31]\r | |
1665 | mm Data4[32:39]\r | |
1666 | nn Data4[40:47]\r | |
1667 | oo Data4[48:55]\r | |
1668 | pp Data4[56:63]\r | |
1669 | \r | |
1670 | If String is NULL, then ASSERT().\r | |
1671 | If Guid is NULL, then ASSERT().\r | |
1672 | If String is not aligned in a 16-bit boundary, then ASSERT().\r | |
1673 | \r | |
1674 | @param String Pointer to a Null-terminated Unicode string.\r | |
1675 | @param Guid Pointer to the converted GUID.\r | |
1676 | \r | |
1677 | @retval RETURN_SUCCESS Guid is translated from String.\r | |
1678 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
1679 | If Data is NULL.\r | |
1680 | @retval RETURN_UNSUPPORTED If String is not as the above format.\r | |
1681 | \r | |
1682 | **/\r | |
1683 | RETURN_STATUS\r | |
1684 | EFIAPI\r | |
1685 | StrToGuid (\r | |
1686 | IN CONST CHAR16 *String,\r | |
1687 | OUT GUID *Guid\r | |
1688 | );\r | |
1689 | \r | |
1690 | /**\r | |
1691 | Convert a Null-terminated Unicode hexadecimal string to a byte array.\r | |
1692 | \r | |
1693 | This function outputs a byte array by interpreting the contents of\r | |
1694 | the Unicode string specified by String in hexadecimal format. The format of\r | |
1695 | the input Unicode string String is:\r | |
1696 | \r | |
1697 | [XX]*\r | |
1698 | \r | |
1699 | X is a hexadecimal digit character in the range [0-9], [a-f] and [A-F].\r | |
1700 | The function decodes every two hexadecimal digit characters as one byte. The\r | |
1701 | decoding stops after Length of characters and outputs Buffer containing\r | |
1702 | (Length / 2) bytes.\r | |
1703 | \r | |
1704 | If String is not aligned in a 16-bit boundary, then ASSERT().\r | |
1705 | \r | |
1706 | If String is NULL, then ASSERT().\r | |
1707 | \r | |
1708 | If Buffer is NULL, then ASSERT().\r | |
1709 | \r | |
1710 | If Length is not multiple of 2, then ASSERT().\r | |
1711 | \r | |
1712 | If PcdMaximumUnicodeStringLength is not zero and Length is greater than\r | |
1713 | PcdMaximumUnicodeStringLength, then ASSERT().\r | |
1714 | \r | |
1715 | If MaxBufferSize is less than (Length / 2), then ASSERT().\r | |
1716 | \r | |
1717 | @param String Pointer to a Null-terminated Unicode string.\r | |
1718 | @param Length The number of Unicode characters to decode.\r | |
1719 | @param Buffer Pointer to the converted bytes array.\r | |
1720 | @param MaxBufferSize The maximum size of Buffer.\r | |
1721 | \r | |
1722 | @retval RETURN_SUCCESS Buffer is translated from String.\r | |
1723 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
1724 | If Data is NULL.\r | |
1725 | If Length is not multiple of 2.\r | |
1726 | If PcdMaximumUnicodeStringLength is not zero,\r | |
1727 | and Length is greater than\r | |
1728 | PcdMaximumUnicodeStringLength.\r | |
1729 | @retval RETURN_UNSUPPORTED If Length of characters from String contain\r | |
1730 | a character that is not valid hexadecimal\r | |
1731 | digit characters, or a Null-terminator.\r | |
1732 | @retval RETURN_BUFFER_TOO_SMALL If MaxBufferSize is less than (Length / 2).\r | |
1733 | **/\r | |
1734 | RETURN_STATUS\r | |
1735 | EFIAPI\r | |
1736 | StrHexToBytes (\r | |
1737 | IN CONST CHAR16 *String,\r | |
1738 | IN UINTN Length,\r | |
1739 | OUT UINT8 *Buffer,\r | |
1740 | IN UINTN MaxBufferSize\r | |
1741 | );\r | |
1742 | \r | |
415aa2f1 SZ |
1743 | #ifndef DISABLE_NEW_DEPRECATED_INTERFACES\r |
1744 | \r | |
ac644614 | 1745 | /**\r |
415aa2f1 SZ |
1746 | [ATTENTION] This function is deprecated for security reason.\r |
1747 | \r | |
17f695ed | 1748 | Convert a Null-terminated Unicode string to a Null-terminated\r |
ac644614 | 1749 | ASCII string and returns the ASCII string.\r |
1750 | \r | |
1751 | This function converts the content of the Unicode string Source\r | |
1752 | to the ASCII string Destination by copying the lower 8 bits of\r | |
1753 | each Unicode character. It returns Destination.\r | |
1754 | \r | |
d3e0289c | 1755 | The caller is responsible to make sure Destination points to a buffer with size\r |
1756 | equal or greater than ((StrLen (Source) + 1) * sizeof (CHAR8)) in bytes.\r | |
1757 | \r | |
ac644614 | 1758 | If any Unicode characters in Source contain non-zero value in\r |
1759 | the upper 8 bits, then ASSERT().\r | |
1760 | \r | |
1761 | If Destination is NULL, then ASSERT().\r | |
1762 | If Source is NULL, then ASSERT().\r | |
1763 | If Source is not aligned on a 16-bit boundary, then ASSERT().\r | |
1764 | If Source and Destination overlap, then ASSERT().\r | |
1765 | \r | |
1766 | If PcdMaximumUnicodeStringLength is not zero, and Source contains\r | |
1767 | more than PcdMaximumUnicodeStringLength Unicode characters not including\r | |
1768 | the Null-terminator, then ASSERT().\r | |
1769 | \r | |
1770 | If PcdMaximumAsciiStringLength is not zero, and Source contains more\r | |
1771 | than PcdMaximumAsciiStringLength Unicode characters not including the\r | |
1772 | Null-terminator, then ASSERT().\r | |
1773 | \r | |
af2dc6a7 | 1774 | @param Source The pointer to a Null-terminated Unicode string.\r |
1775 | @param Destination The pointer to a Null-terminated ASCII string.\r | |
ac644614 | 1776 | \r |
9aa049d9 | 1777 | @return Destination.\r |
ac644614 | 1778 | \r |
1779 | **/\r | |
1780 | CHAR8 *\r | |
1781 | EFIAPI\r | |
1782 | UnicodeStrToAsciiStr (\r | |
17f695ed | 1783 | IN CONST CHAR16 *Source,\r |
1784 | OUT CHAR8 *Destination\r | |
ac644614 | 1785 | );\r |
1786 | \r | |
de4f7f52 | 1787 | #endif // !defined (DISABLE_NEW_DEPRECATED_INTERFACES)\r |
415aa2f1 | 1788 | \r |
3ab41b7a JY |
1789 | /**\r |
1790 | Convert a Null-terminated Unicode string to a Null-terminated\r | |
1791 | ASCII string.\r | |
1792 | \r | |
1793 | This function is similar to AsciiStrCpyS.\r | |
1794 | \r | |
1795 | This function converts the content of the Unicode string Source\r | |
1796 | to the ASCII string Destination by copying the lower 8 bits of\r | |
1797 | each Unicode character. The function terminates the ASCII string\r | |
1798 | Destination by appending a Null-terminator character at the end.\r | |
1799 | \r | |
1800 | The caller is responsible to make sure Destination points to a buffer with size\r | |
1801 | equal or greater than ((StrLen (Source) + 1) * sizeof (CHAR8)) in bytes.\r | |
1802 | \r | |
1803 | If any Unicode characters in Source contain non-zero value in\r | |
1804 | the upper 8 bits, then ASSERT().\r | |
1805 | \r | |
1806 | If Source is not aligned on a 16-bit boundary, then ASSERT().\r | |
1807 | If an error would be returned, then the function will also ASSERT().\r | |
1808 | \r | |
1809 | If an error is returned, then the Destination is unmodified.\r | |
1810 | \r | |
1811 | @param Source The pointer to a Null-terminated Unicode string.\r | |
1812 | @param Destination The pointer to a Null-terminated ASCII string.\r | |
1813 | @param DestMax The maximum number of Destination Ascii\r | |
1814 | char, including terminating null char.\r | |
1815 | \r | |
1816 | @retval RETURN_SUCCESS String is converted.\r | |
1817 | @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than StrLen(Source).\r | |
1818 | @retval RETURN_INVALID_PARAMETER If Destination is NULL.\r | |
1819 | If Source is NULL.\r | |
1820 | If PcdMaximumAsciiStringLength is not zero,\r | |
1821 | and DestMax is greater than\r | |
1822 | PcdMaximumAsciiStringLength.\r | |
1823 | If PcdMaximumUnicodeStringLength is not zero,\r | |
1824 | and DestMax is greater than\r | |
1825 | PcdMaximumUnicodeStringLength.\r | |
1826 | If DestMax is 0.\r | |
1827 | @retval RETURN_ACCESS_DENIED If Source and Destination overlap.\r | |
1828 | \r | |
1829 | **/\r | |
1830 | RETURN_STATUS\r | |
1831 | EFIAPI\r | |
1832 | UnicodeStrToAsciiStrS (\r | |
1833 | IN CONST CHAR16 *Source,\r | |
1834 | OUT CHAR8 *Destination,\r | |
1835 | IN UINTN DestMax\r | |
1836 | );\r | |
ac644614 | 1837 | \r |
02263214 HW |
1838 | /**\r |
1839 | Convert not more than Length successive characters from a Null-terminated\r | |
1840 | Unicode string to a Null-terminated Ascii string. If no null char is copied\r | |
1841 | from Source, then Destination[Length] is always set to null.\r | |
1842 | \r | |
1843 | This function converts not more than Length successive characters from the\r | |
1844 | Unicode string Source to the Ascii string Destination by copying the lower 8\r | |
1845 | bits of each Unicode character. The function terminates the Ascii string\r | |
1846 | Destination by appending a Null-terminator character at the end.\r | |
1847 | \r | |
1848 | The caller is responsible to make sure Destination points to a buffer with size\r | |
1849 | equal or greater than ((StrLen (Source) + 1) * sizeof (CHAR8)) in bytes.\r | |
1850 | \r | |
1851 | If any Unicode characters in Source contain non-zero value in the upper 8\r | |
1852 | bits, then ASSERT().\r | |
1853 | If Source is not aligned on a 16-bit boundary, then ASSERT().\r | |
1854 | If an error would be returned, then the function will also ASSERT().\r | |
1855 | \r | |
1856 | If an error is returned, then the Destination is unmodified.\r | |
1857 | \r | |
1858 | @param Source The pointer to a Null-terminated Unicode string.\r | |
1859 | @param Length The maximum number of Unicode characters to\r | |
1860 | convert.\r | |
1861 | @param Destination The pointer to a Null-terminated Ascii string.\r | |
1862 | @param DestMax The maximum number of Destination Ascii\r | |
1863 | char, including terminating null char.\r | |
1864 | @param DestinationLength The number of Unicode characters converted.\r | |
1865 | \r | |
1866 | @retval RETURN_SUCCESS String is converted.\r | |
1867 | @retval RETURN_INVALID_PARAMETER If Destination is NULL.\r | |
1868 | If Source is NULL.\r | |
1869 | If DestinationLength is NULL.\r | |
1870 | If PcdMaximumAsciiStringLength is not zero,\r | |
1871 | and Length or DestMax is greater than\r | |
1872 | PcdMaximumAsciiStringLength.\r | |
1873 | If PcdMaximumUnicodeStringLength is not\r | |
1874 | zero, and Length or DestMax is greater than\r | |
1875 | PcdMaximumUnicodeStringLength.\r | |
1876 | If DestMax is 0.\r | |
1877 | @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than\r | |
1878 | MIN(StrLen(Source), Length).\r | |
1879 | @retval RETURN_ACCESS_DENIED If Source and Destination overlap.\r | |
1880 | \r | |
1881 | **/\r | |
1882 | RETURN_STATUS\r | |
1883 | EFIAPI\r | |
1884 | UnicodeStrnToAsciiStrS (\r | |
1885 | IN CONST CHAR16 *Source,\r | |
1886 | IN UINTN Length,\r | |
1887 | OUT CHAR8 *Destination,\r | |
1888 | IN UINTN DestMax,\r | |
1889 | OUT UINTN *DestinationLength\r | |
1890 | );\r | |
1891 | \r | |
1bb390f1 ED |
1892 | #ifndef DISABLE_NEW_DEPRECATED_INTERFACES\r |
1893 | \r | |
ac644614 | 1894 | /**\r |
ae591c14 | 1895 | [ATTENTION] This function is deprecated for security reason.\r |
1bb390f1 | 1896 | \r |
ac644614 | 1897 | Copies one Null-terminated ASCII string to another Null-terminated ASCII\r |
1898 | string and returns the new ASCII string.\r | |
1899 | \r | |
1900 | This function copies the contents of the ASCII string Source to the ASCII\r | |
1901 | string Destination, and returns Destination. If Source and Destination\r | |
1902 | overlap, then the results are undefined.\r | |
1903 | \r | |
1904 | If Destination is NULL, then ASSERT().\r | |
1905 | If Source is NULL, then ASSERT().\r | |
1906 | If Source and Destination overlap, then ASSERT().\r | |
1907 | If PcdMaximumAsciiStringLength is not zero and Source contains more than\r | |
1908 | PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator,\r | |
1909 | then ASSERT().\r | |
1910 | \r | |
af2dc6a7 | 1911 | @param Destination The pointer to a Null-terminated ASCII string.\r |
1912 | @param Source The pointer to a Null-terminated ASCII string.\r | |
ac644614 | 1913 | \r |
1914 | @return Destination\r | |
1915 | \r | |
1916 | **/\r | |
1917 | CHAR8 *\r | |
1918 | EFIAPI\r | |
1919 | AsciiStrCpy (\r | |
1920 | OUT CHAR8 *Destination,\r | |
1921 | IN CONST CHAR8 *Source\r | |
1922 | );\r | |
1923 | \r | |
1924 | \r | |
1925 | /**\r | |
ae591c14 | 1926 | [ATTENTION] This function is deprecated for security reason.\r |
1bb390f1 | 1927 | \r |
9095d37b | 1928 | Copies up to a specified length one Null-terminated ASCII string to another\r |
17f695ed | 1929 | Null-terminated ASCII string and returns the new ASCII string.\r |
ac644614 | 1930 | \r |
1931 | This function copies the contents of the ASCII string Source to the ASCII\r | |
1932 | string Destination, and returns Destination. At most, Length ASCII characters\r | |
1933 | are copied from Source to Destination. If Length is 0, then Destination is\r | |
1934 | returned unmodified. If Length is greater that the number of ASCII characters\r | |
1935 | in Source, then Destination is padded with Null ASCII characters. If Source\r | |
1936 | and Destination overlap, then the results are undefined.\r | |
1937 | \r | |
1938 | If Destination is NULL, then ASSERT().\r | |
1939 | If Source is NULL, then ASSERT().\r | |
1940 | If Source and Destination overlap, then ASSERT().\r | |
9095d37b | 1941 | If PcdMaximumAsciiStringLength is not zero, and Length is greater than\r |
50c247fd | 1942 | PcdMaximumAsciiStringLength, then ASSERT().\r |
ac644614 | 1943 | If PcdMaximumAsciiStringLength is not zero, and Source contains more than\r |
50c247fd | 1944 | PcdMaximumAsciiStringLength ASCII characters, not including the Null-terminator,\r |
ac644614 | 1945 | then ASSERT().\r |
1946 | \r | |
af2dc6a7 | 1947 | @param Destination The pointer to a Null-terminated ASCII string.\r |
1948 | @param Source The pointer to a Null-terminated ASCII string.\r | |
1949 | @param Length The maximum number of ASCII characters to copy.\r | |
ac644614 | 1950 | \r |
1951 | @return Destination\r | |
1952 | \r | |
1953 | **/\r | |
1954 | CHAR8 *\r | |
1955 | EFIAPI\r | |
1956 | AsciiStrnCpy (\r | |
1957 | OUT CHAR8 *Destination,\r | |
1958 | IN CONST CHAR8 *Source,\r | |
1959 | IN UINTN Length\r | |
1960 | );\r | |
de4f7f52 | 1961 | #endif // !defined (DISABLE_NEW_DEPRECATED_INTERFACES)\r |
ac644614 | 1962 | \r |
1963 | /**\r | |
1964 | Returns the length of a Null-terminated ASCII string.\r | |
1965 | \r | |
1966 | This function returns the number of ASCII characters in the Null-terminated\r | |
1967 | ASCII string specified by String.\r | |
1968 | \r | |
1969 | If Length > 0 and Destination is NULL, then ASSERT().\r | |
1970 | If Length > 0 and Source is NULL, then ASSERT().\r | |
1971 | If PcdMaximumAsciiStringLength is not zero and String contains more than\r | |
1972 | PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator,\r | |
1973 | then ASSERT().\r | |
1974 | \r | |
af2dc6a7 | 1975 | @param String The pointer to a Null-terminated ASCII string.\r |
ac644614 | 1976 | \r |
1977 | @return The length of String.\r | |
1978 | \r | |
1979 | **/\r | |
1980 | UINTN\r | |
1981 | EFIAPI\r | |
1982 | AsciiStrLen (\r | |
1983 | IN CONST CHAR8 *String\r | |
1984 | );\r | |
1985 | \r | |
1986 | \r | |
1987 | /**\r | |
1988 | Returns the size of a Null-terminated ASCII string in bytes, including the\r | |
1989 | Null terminator.\r | |
1990 | \r | |
1991 | This function returns the size, in bytes, of the Null-terminated ASCII string\r | |
1992 | specified by String.\r | |
1993 | \r | |
1994 | If String is NULL, then ASSERT().\r | |
1995 | If PcdMaximumAsciiStringLength is not zero and String contains more than\r | |
1996 | PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator,\r | |
1997 | then ASSERT().\r | |
1998 | \r | |
af2dc6a7 | 1999 | @param String The pointer to a Null-terminated ASCII string.\r |
ac644614 | 2000 | \r |
2001 | @return The size of String.\r | |
2002 | \r | |
2003 | **/\r | |
2004 | UINTN\r | |
2005 | EFIAPI\r | |
2006 | AsciiStrSize (\r | |
2007 | IN CONST CHAR8 *String\r | |
2008 | );\r | |
2009 | \r | |
2010 | \r | |
2011 | /**\r | |
2012 | Compares two Null-terminated ASCII strings, and returns the difference\r | |
2013 | between the first mismatched ASCII characters.\r | |
2014 | \r | |
2015 | This function compares the Null-terminated ASCII string FirstString to the\r | |
2016 | Null-terminated ASCII string SecondString. If FirstString is identical to\r | |
2017 | SecondString, then 0 is returned. Otherwise, the value returned is the first\r | |
2018 | mismatched ASCII character in SecondString subtracted from the first\r | |
2019 | mismatched ASCII character in FirstString.\r | |
2020 | \r | |
2021 | If FirstString is NULL, then ASSERT().\r | |
2022 | If SecondString is NULL, then ASSERT().\r | |
2023 | If PcdMaximumAsciiStringLength is not zero and FirstString contains more than\r | |
2024 | PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator,\r | |
2025 | then ASSERT().\r | |
2026 | If PcdMaximumAsciiStringLength is not zero and SecondString contains more\r | |
2027 | than PcdMaximumAsciiStringLength ASCII characters not including the\r | |
2028 | Null-terminator, then ASSERT().\r | |
2029 | \r | |
af2dc6a7 | 2030 | @param FirstString The pointer to a Null-terminated ASCII string.\r |
2031 | @param SecondString The pointer to a Null-terminated ASCII string.\r | |
ac644614 | 2032 | \r |
17f695ed | 2033 | @retval ==0 FirstString is identical to SecondString.\r |
2034 | @retval !=0 FirstString is not identical to SecondString.\r | |
ac644614 | 2035 | \r |
2036 | **/\r | |
2037 | INTN\r | |
2038 | EFIAPI\r | |
2039 | AsciiStrCmp (\r | |
2040 | IN CONST CHAR8 *FirstString,\r | |
2041 | IN CONST CHAR8 *SecondString\r | |
2042 | );\r | |
2043 | \r | |
2044 | \r | |
2045 | /**\r | |
2046 | Performs a case insensitive comparison of two Null-terminated ASCII strings,\r | |
2047 | and returns the difference between the first mismatched ASCII characters.\r | |
2048 | \r | |
2049 | This function performs a case insensitive comparison of the Null-terminated\r | |
2050 | ASCII string FirstString to the Null-terminated ASCII string SecondString. If\r | |
2051 | FirstString is identical to SecondString, then 0 is returned. Otherwise, the\r | |
2052 | value returned is the first mismatched lower case ASCII character in\r | |
2053 | SecondString subtracted from the first mismatched lower case ASCII character\r | |
2054 | in FirstString.\r | |
2055 | \r | |
2056 | If FirstString is NULL, then ASSERT().\r | |
2057 | If SecondString is NULL, then ASSERT().\r | |
2058 | If PcdMaximumAsciiStringLength is not zero and FirstString contains more than\r | |
2059 | PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator,\r | |
2060 | then ASSERT().\r | |
2061 | If PcdMaximumAsciiStringLength is not zero and SecondString contains more\r | |
2062 | than PcdMaximumAsciiStringLength ASCII characters not including the\r | |
2063 | Null-terminator, then ASSERT().\r | |
2064 | \r | |
af2dc6a7 | 2065 | @param FirstString The pointer to a Null-terminated ASCII string.\r |
2066 | @param SecondString The pointer to a Null-terminated ASCII string.\r | |
ac644614 | 2067 | \r |
17f695ed | 2068 | @retval ==0 FirstString is identical to SecondString using case insensitive\r |
1106ffe1 | 2069 | comparisons.\r |
17f695ed | 2070 | @retval !=0 FirstString is not identical to SecondString using case\r |
1106ffe1 | 2071 | insensitive comparisons.\r |
ac644614 | 2072 | \r |
2073 | **/\r | |
2074 | INTN\r | |
2075 | EFIAPI\r | |
2076 | AsciiStriCmp (\r | |
2077 | IN CONST CHAR8 *FirstString,\r | |
2078 | IN CONST CHAR8 *SecondString\r | |
2079 | );\r | |
2080 | \r | |
2081 | \r | |
2082 | /**\r | |
2083 | Compares two Null-terminated ASCII strings with maximum lengths, and returns\r | |
2084 | the difference between the first mismatched ASCII characters.\r | |
2085 | \r | |
2086 | This function compares the Null-terminated ASCII string FirstString to the\r | |
2087 | Null-terminated ASCII string SecondString. At most, Length ASCII characters\r | |
2088 | will be compared. If Length is 0, then 0 is returned. If FirstString is\r | |
2089 | identical to SecondString, then 0 is returned. Otherwise, the value returned\r | |
2090 | is the first mismatched ASCII character in SecondString subtracted from the\r | |
2091 | first mismatched ASCII character in FirstString.\r | |
2092 | \r | |
2093 | If Length > 0 and FirstString is NULL, then ASSERT().\r | |
2094 | If Length > 0 and SecondString is NULL, then ASSERT().\r | |
9095d37b | 2095 | If PcdMaximumAsciiStringLength is not zero, and Length is greater than\r |
50c247fd | 2096 | PcdMaximumAsciiStringLength, then ASSERT().\r |
2097 | If PcdMaximumAsciiStringLength is not zero, and FirstString contains more than\r | |
2098 | PcdMaximumAsciiStringLength ASCII characters, not including the Null-terminator,\r | |
ac644614 | 2099 | then ASSERT().\r |
50c247fd | 2100 | If PcdMaximumAsciiStringLength is not zero, and SecondString contains more than\r |
2101 | PcdMaximumAsciiStringLength ASCII characters, not including the Null-terminator,\r | |
ac644614 | 2102 | then ASSERT().\r |
2103 | \r | |
af2dc6a7 | 2104 | @param FirstString The pointer to a Null-terminated ASCII string.\r |
2105 | @param SecondString The pointer to a Null-terminated ASCII string.\r | |
2106 | @param Length The maximum number of ASCII characters for compare.\r | |
9095d37b | 2107 | \r |
17f695ed | 2108 | @retval ==0 FirstString is identical to SecondString.\r |
2109 | @retval !=0 FirstString is not identical to SecondString.\r | |
ac644614 | 2110 | \r |
2111 | **/\r | |
2112 | INTN\r | |
2113 | EFIAPI\r | |
2114 | AsciiStrnCmp (\r | |
2115 | IN CONST CHAR8 *FirstString,\r | |
2116 | IN CONST CHAR8 *SecondString,\r | |
2117 | IN UINTN Length\r | |
2118 | );\r | |
2119 | \r | |
2120 | \r | |
1bb390f1 ED |
2121 | #ifndef DISABLE_NEW_DEPRECATED_INTERFACES\r |
2122 | \r | |
ac644614 | 2123 | /**\r |
ae591c14 | 2124 | [ATTENTION] This function is deprecated for security reason.\r |
1bb390f1 | 2125 | \r |
ac644614 | 2126 | Concatenates one Null-terminated ASCII string to another Null-terminated\r |
2127 | ASCII string, and returns the concatenated ASCII string.\r | |
2128 | \r | |
2129 | This function concatenates two Null-terminated ASCII strings. The contents of\r | |
2130 | Null-terminated ASCII string Source are concatenated to the end of Null-\r | |
2131 | terminated ASCII string Destination. The Null-terminated concatenated ASCII\r | |
2132 | String is returned.\r | |
2133 | \r | |
2134 | If Destination is NULL, then ASSERT().\r | |
2135 | If Source is NULL, then ASSERT().\r | |
2136 | If PcdMaximumAsciiStringLength is not zero and Destination contains more than\r | |
2137 | PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator,\r | |
2138 | then ASSERT().\r | |
2139 | If PcdMaximumAsciiStringLength is not zero and Source contains more than\r | |
2140 | PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator,\r | |
2141 | then ASSERT().\r | |
2142 | If PcdMaximumAsciiStringLength is not zero and concatenating Destination and\r | |
2143 | Source results in a ASCII string with more than PcdMaximumAsciiStringLength\r | |
2144 | ASCII characters, then ASSERT().\r | |
2145 | \r | |
af2dc6a7 | 2146 | @param Destination The pointer to a Null-terminated ASCII string.\r |
2147 | @param Source The pointer to a Null-terminated ASCII string.\r | |
ac644614 | 2148 | \r |
2149 | @return Destination\r | |
2150 | \r | |
2151 | **/\r | |
2152 | CHAR8 *\r | |
2153 | EFIAPI\r | |
2154 | AsciiStrCat (\r | |
2155 | IN OUT CHAR8 *Destination,\r | |
2156 | IN CONST CHAR8 *Source\r | |
2157 | );\r | |
2158 | \r | |
2159 | \r | |
2160 | /**\r | |
ae591c14 | 2161 | [ATTENTION] This function is deprecated for security reason.\r |
1bb390f1 | 2162 | \r |
9095d37b LG |
2163 | Concatenates up to a specified length one Null-terminated ASCII string to\r |
2164 | the end of another Null-terminated ASCII string, and returns the\r | |
17f695ed | 2165 | concatenated ASCII string.\r |
ac644614 | 2166 | \r |
2167 | This function concatenates two Null-terminated ASCII strings. The contents\r | |
2168 | of Null-terminated ASCII string Source are concatenated to the end of Null-\r | |
2169 | terminated ASCII string Destination, and Destination is returned. At most,\r | |
2170 | Length ASCII characters are concatenated from Source to the end of\r | |
2171 | Destination, and Destination is always Null-terminated. If Length is 0, then\r | |
2172 | Destination is returned unmodified. If Source and Destination overlap, then\r | |
2173 | the results are undefined.\r | |
2174 | \r | |
2175 | If Length > 0 and Destination is NULL, then ASSERT().\r | |
2176 | If Length > 0 and Source is NULL, then ASSERT().\r | |
2177 | If Source and Destination overlap, then ASSERT().\r | |
50c247fd | 2178 | If PcdMaximumAsciiStringLength is not zero, and Length is greater than\r |
2179 | PcdMaximumAsciiStringLength, then ASSERT().\r | |
ac644614 | 2180 | If PcdMaximumAsciiStringLength is not zero, and Destination contains more than\r |
50c247fd | 2181 | PcdMaximumAsciiStringLength ASCII characters, not including the Null-terminator,\r |
ac644614 | 2182 | then ASSERT().\r |
2183 | If PcdMaximumAsciiStringLength is not zero, and Source contains more than\r | |
50c247fd | 2184 | PcdMaximumAsciiStringLength ASCII characters, not including the Null-terminator,\r |
ac644614 | 2185 | then ASSERT().\r |
2186 | If PcdMaximumAsciiStringLength is not zero, and concatenating Destination and\r | |
2187 | Source results in a ASCII string with more than PcdMaximumAsciiStringLength\r | |
50c247fd | 2188 | ASCII characters, not including the Null-terminator, then ASSERT().\r |
ac644614 | 2189 | \r |
af2dc6a7 | 2190 | @param Destination The pointer to a Null-terminated ASCII string.\r |
2191 | @param Source The pointer to a Null-terminated ASCII string.\r | |
2192 | @param Length The maximum number of ASCII characters to concatenate from\r | |
ac644614 | 2193 | Source.\r |
2194 | \r | |
2195 | @return Destination\r | |
2196 | \r | |
2197 | **/\r | |
2198 | CHAR8 *\r | |
2199 | EFIAPI\r | |
2200 | AsciiStrnCat (\r | |
2201 | IN OUT CHAR8 *Destination,\r | |
2202 | IN CONST CHAR8 *Source,\r | |
2203 | IN UINTN Length\r | |
2204 | );\r | |
de4f7f52 | 2205 | #endif // !defined (DISABLE_NEW_DEPRECATED_INTERFACES)\r |
ac644614 | 2206 | \r |
2207 | /**\r | |
9aa049d9 | 2208 | Returns the first occurrence of a Null-terminated ASCII sub-string\r |
ac644614 | 2209 | in a Null-terminated ASCII string.\r |
2210 | \r | |
2211 | This function scans the contents of the ASCII string specified by String\r | |
2212 | and returns the first occurrence of SearchString. If SearchString is not\r | |
2213 | found in String, then NULL is returned. If the length of SearchString is zero,\r | |
2214 | then String is returned.\r | |
2215 | \r | |
2216 | If String is NULL, then ASSERT().\r | |
2217 | If SearchString is NULL, then ASSERT().\r | |
2218 | \r | |
2219 | If PcdMaximumAsciiStringLength is not zero, and SearchString or\r | |
2220 | String contains more than PcdMaximumAsciiStringLength Unicode characters\r | |
2221 | not including the Null-terminator, then ASSERT().\r | |
2222 | \r | |
af2dc6a7 | 2223 | @param String The pointer to a Null-terminated ASCII string.\r |
2224 | @param SearchString The pointer to a Null-terminated ASCII string to search for.\r | |
ac644614 | 2225 | \r |
2226 | @retval NULL If the SearchString does not appear in String.\r | |
17f695ed | 2227 | @retval others If there is a match return the first occurrence of SearchingString.\r |
9aa049d9 | 2228 | If the length of SearchString is zero,return String.\r |
ac644614 | 2229 | \r |
2230 | **/\r | |
2231 | CHAR8 *\r | |
2232 | EFIAPI\r | |
2233 | AsciiStrStr (\r | |
17f695ed | 2234 | IN CONST CHAR8 *String,\r |
2235 | IN CONST CHAR8 *SearchString\r | |
ac644614 | 2236 | );\r |
2237 | \r | |
2238 | \r | |
2239 | /**\r | |
2240 | Convert a Null-terminated ASCII decimal string to a value of type\r | |
2241 | UINTN.\r | |
2242 | \r | |
2243 | This function returns a value of type UINTN by interpreting the contents\r | |
2244 | of the ASCII string String as a decimal number. The format of the input\r | |
2245 | ASCII string String is:\r | |
2246 | \r | |
2247 | [spaces] [decimal digits].\r | |
2248 | \r | |
2249 | The valid decimal digit character is in the range [0-9]. The function will\r | |
2250 | ignore the pad space, which includes spaces or tab characters, before the digits.\r | |
2251 | The running zero in the beginning of [decimal digits] will be ignored. Then, the\r | |
2252 | function stops at the first character that is a not a valid decimal character or\r | |
2253 | Null-terminator, whichever on comes first.\r | |
2254 | \r | |
2255 | If String has only pad spaces, then 0 is returned.\r | |
2256 | If String has no pad spaces or valid decimal digits, then 0 is returned.\r | |
2257 | If the number represented by String overflows according to the range defined by\r | |
ea2e0921 | 2258 | UINTN, then MAX_UINTN is returned.\r |
ac644614 | 2259 | If String is NULL, then ASSERT().\r |
2260 | If PcdMaximumAsciiStringLength is not zero, and String contains more than\r | |
2261 | PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator,\r | |
2262 | then ASSERT().\r | |
2263 | \r | |
af2dc6a7 | 2264 | @param String The pointer to a Null-terminated ASCII string.\r |
ac644614 | 2265 | \r |
af2dc6a7 | 2266 | @retval The value translated from String.\r |
ac644614 | 2267 | \r |
2268 | **/\r | |
2269 | UINTN\r | |
2270 | EFIAPI\r | |
2271 | AsciiStrDecimalToUintn (\r | |
2272 | IN CONST CHAR8 *String\r | |
2273 | );\r | |
2274 | \r | |
2275 | \r | |
2276 | /**\r | |
2277 | Convert a Null-terminated ASCII decimal string to a value of type\r | |
2278 | UINT64.\r | |
2279 | \r | |
2280 | This function returns a value of type UINT64 by interpreting the contents\r | |
2281 | of the ASCII string String as a decimal number. The format of the input\r | |
2282 | ASCII string String is:\r | |
2283 | \r | |
2284 | [spaces] [decimal digits].\r | |
2285 | \r | |
2286 | The valid decimal digit character is in the range [0-9]. The function will\r | |
2287 | ignore the pad space, which includes spaces or tab characters, before the digits.\r | |
2288 | The running zero in the beginning of [decimal digits] will be ignored. Then, the\r | |
2289 | function stops at the first character that is a not a valid decimal character or\r | |
2290 | Null-terminator, whichever on comes first.\r | |
2291 | \r | |
2292 | If String has only pad spaces, then 0 is returned.\r | |
2293 | If String has no pad spaces or valid decimal digits, then 0 is returned.\r | |
2294 | If the number represented by String overflows according to the range defined by\r | |
ea2e0921 | 2295 | UINT64, then MAX_UINT64 is returned.\r |
ac644614 | 2296 | If String is NULL, then ASSERT().\r |
2297 | If PcdMaximumAsciiStringLength is not zero, and String contains more than\r | |
2298 | PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator,\r | |
2299 | then ASSERT().\r | |
2300 | \r | |
af2dc6a7 | 2301 | @param String The pointer to a Null-terminated ASCII string.\r |
ac644614 | 2302 | \r |
38bbd3d9 | 2303 | @retval Value translated from String.\r |
ac644614 | 2304 | \r |
2305 | **/\r | |
2306 | UINT64\r | |
2307 | EFIAPI\r | |
2308 | AsciiStrDecimalToUint64 (\r | |
17f695ed | 2309 | IN CONST CHAR8 *String\r |
ac644614 | 2310 | );\r |
2311 | \r | |
2312 | \r | |
2313 | /**\r | |
2314 | Convert a Null-terminated ASCII hexadecimal string to a value of type UINTN.\r | |
2315 | \r | |
2316 | This function returns a value of type UINTN by interpreting the contents of\r | |
2317 | the ASCII string String as a hexadecimal number. The format of the input ASCII\r | |
2318 | string String is:\r | |
2319 | \r | |
2320 | [spaces][zeros][x][hexadecimal digits].\r | |
2321 | \r | |
2322 | The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F].\r | |
2323 | The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix. If "x"\r | |
2324 | appears in the input string, it must be prefixed with at least one 0. The function\r | |
2325 | will ignore the pad space, which includes spaces or tab characters, before [zeros],\r | |
2326 | [x] or [hexadecimal digits]. The running zero before [x] or [hexadecimal digits]\r | |
2327 | will be ignored. Then, the decoding starts after [x] or the first valid hexadecimal\r | |
2328 | digit. Then, the function stops at the first character that is a not a valid\r | |
2329 | hexadecimal character or Null-terminator, whichever on comes first.\r | |
2330 | \r | |
2331 | If String has only pad spaces, then 0 is returned.\r | |
2332 | If String has no leading pad spaces, leading zeros or valid hexadecimal digits, then\r | |
2333 | 0 is returned.\r | |
2334 | \r | |
2335 | If the number represented by String overflows according to the range defined by UINTN,\r | |
ea2e0921 | 2336 | then MAX_UINTN is returned.\r |
ac644614 | 2337 | If String is NULL, then ASSERT().\r |
2338 | If PcdMaximumAsciiStringLength is not zero,\r | |
2339 | and String contains more than PcdMaximumAsciiStringLength ASCII characters not including\r | |
2340 | the Null-terminator, then ASSERT().\r | |
2341 | \r | |
af2dc6a7 | 2342 | @param String The pointer to a Null-terminated ASCII string.\r |
ac644614 | 2343 | \r |
38bbd3d9 | 2344 | @retval Value translated from String.\r |
ac644614 | 2345 | \r |
2346 | **/\r | |
2347 | UINTN\r | |
2348 | EFIAPI\r | |
2349 | AsciiStrHexToUintn (\r | |
17f695ed | 2350 | IN CONST CHAR8 *String\r |
ac644614 | 2351 | );\r |
2352 | \r | |
2353 | \r | |
2354 | /**\r | |
2355 | Convert a Null-terminated ASCII hexadecimal string to a value of type UINT64.\r | |
2356 | \r | |
2357 | This function returns a value of type UINT64 by interpreting the contents of\r | |
2358 | the ASCII string String as a hexadecimal number. The format of the input ASCII\r | |
2359 | string String is:\r | |
2360 | \r | |
2361 | [spaces][zeros][x][hexadecimal digits].\r | |
2362 | \r | |
2363 | The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F].\r | |
2364 | The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix. If "x"\r | |
2365 | appears in the input string, it must be prefixed with at least one 0. The function\r | |
2366 | will ignore the pad space, which includes spaces or tab characters, before [zeros],\r | |
2367 | [x] or [hexadecimal digits]. The running zero before [x] or [hexadecimal digits]\r | |
2368 | will be ignored. Then, the decoding starts after [x] or the first valid hexadecimal\r | |
2369 | digit. Then, the function stops at the first character that is a not a valid\r | |
2370 | hexadecimal character or Null-terminator, whichever on comes first.\r | |
2371 | \r | |
2372 | If String has only pad spaces, then 0 is returned.\r | |
2373 | If String has no leading pad spaces, leading zeros or valid hexadecimal digits, then\r | |
2374 | 0 is returned.\r | |
2375 | \r | |
2376 | If the number represented by String overflows according to the range defined by UINT64,\r | |
ea2e0921 | 2377 | then MAX_UINT64 is returned.\r |
ac644614 | 2378 | If String is NULL, then ASSERT().\r |
2379 | If PcdMaximumAsciiStringLength is not zero,\r | |
2380 | and String contains more than PcdMaximumAsciiStringLength ASCII characters not including\r | |
2381 | the Null-terminator, then ASSERT().\r | |
2382 | \r | |
af2dc6a7 | 2383 | @param String The pointer to a Null-terminated ASCII string.\r |
ac644614 | 2384 | \r |
38bbd3d9 | 2385 | @retval Value translated from String.\r |
ac644614 | 2386 | \r |
2387 | **/\r | |
2388 | UINT64\r | |
2389 | EFIAPI\r | |
2390 | AsciiStrHexToUint64 (\r | |
17f695ed | 2391 | IN CONST CHAR8 *String\r |
ac644614 | 2392 | );\r |
2393 | \r | |
fb4dd857 RN |
2394 | /**\r |
2395 | Convert a Null-terminated ASCII string to IPv6 address and prefix length.\r | |
2396 | \r | |
2397 | This function outputs a value of type IPv6_ADDRESS and may output a value\r | |
2398 | of type UINT8 by interpreting the contents of the ASCII string specified\r | |
2399 | by String. The format of the input ASCII string String is as follows:\r | |
2400 | \r | |
2401 | X:X:X:X:X:X:X:X[/P]\r | |
2402 | \r | |
2403 | X contains one to four hexadecimal digit characters in the range [0-9], [a-f] and\r | |
2404 | [A-F]. X is converted to a value of type UINT16, whose low byte is stored in low\r | |
2405 | memory address and high byte is stored in high memory address. P contains decimal\r | |
2406 | digit characters in the range [0-9]. The running zero in the beginning of P will\r | |
2407 | be ignored. /P is optional.\r | |
2408 | \r | |
2409 | When /P is not in the String, the function stops at the first character that is\r | |
2410 | not a valid hexadecimal digit character after eight X's are converted.\r | |
2411 | \r | |
2412 | When /P is in the String, the function stops at the first character that is not\r | |
2413 | a valid decimal digit character after P is converted.\r | |
2414 | \r | |
2415 | "::" can be used to compress one or more groups of X when X contains only 0.\r | |
2416 | The "::" can only appear once in the String.\r | |
2417 | \r | |
2418 | If String is NULL, then ASSERT().\r | |
2419 | \r | |
2420 | If Address is NULL, then ASSERT().\r | |
2421 | \r | |
2422 | If EndPointer is not NULL and Address is translated from String, a pointer\r | |
2423 | to the character that stopped the scan is stored at the location pointed to\r | |
2424 | by EndPointer.\r | |
2425 | \r | |
2426 | @param String Pointer to a Null-terminated ASCII string.\r | |
2427 | @param EndPointer Pointer to character that stops scan.\r | |
2428 | @param Address Pointer to the converted IPv6 address.\r | |
2429 | @param PrefixLength Pointer to the converted IPv6 address prefix\r | |
2430 | length. MAX_UINT8 is returned when /P is\r | |
2431 | not in the String.\r | |
2432 | \r | |
2433 | @retval RETURN_SUCCESS Address is translated from String.\r | |
2434 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
2435 | If Data is NULL.\r | |
2436 | @retval RETURN_UNSUPPORTED If X contains more than four hexadecimal\r | |
2437 | digit characters.\r | |
2438 | If String contains "::" and number of X\r | |
2439 | is not less than 8.\r | |
2440 | If P starts with character that is not a\r | |
2441 | valid decimal digit character.\r | |
2442 | If the decimal number converted from P\r | |
2443 | exceeds 128.\r | |
2444 | \r | |
2445 | **/\r | |
2446 | RETURN_STATUS\r | |
2447 | EFIAPI\r | |
2448 | AsciiStrToIpv6Address (\r | |
2449 | IN CONST CHAR8 *String,\r | |
2450 | OUT CHAR8 **EndPointer, OPTIONAL\r | |
2451 | OUT IPv6_ADDRESS *Address,\r | |
2452 | OUT UINT8 *PrefixLength OPTIONAL\r | |
2453 | );\r | |
2454 | \r | |
2455 | /**\r | |
2456 | Convert a Null-terminated ASCII string to IPv4 address and prefix length.\r | |
2457 | \r | |
2458 | This function outputs a value of type IPv4_ADDRESS and may output a value\r | |
2459 | of type UINT8 by interpreting the contents of the ASCII string specified\r | |
2460 | by String. The format of the input ASCII string String is as follows:\r | |
2461 | \r | |
2462 | D.D.D.D[/P]\r | |
2463 | \r | |
2464 | D and P are decimal digit characters in the range [0-9]. The running zero in\r | |
2465 | the beginning of D and P will be ignored. /P is optional.\r | |
2466 | \r | |
2467 | When /P is not in the String, the function stops at the first character that is\r | |
2468 | not a valid decimal digit character after four D's are converted.\r | |
2469 | \r | |
2470 | When /P is in the String, the function stops at the first character that is not\r | |
2471 | a valid decimal digit character after P is converted.\r | |
2472 | \r | |
2473 | If String is NULL, then ASSERT().\r | |
2474 | \r | |
2475 | If Address is NULL, then ASSERT().\r | |
2476 | \r | |
2477 | If EndPointer is not NULL and Address is translated from String, a pointer\r | |
2478 | to the character that stopped the scan is stored at the location pointed to\r | |
2479 | by EndPointer.\r | |
2480 | \r | |
2481 | @param String Pointer to a Null-terminated ASCII string.\r | |
2482 | @param EndPointer Pointer to character that stops scan.\r | |
2483 | @param Address Pointer to the converted IPv4 address.\r | |
2484 | @param PrefixLength Pointer to the converted IPv4 address prefix\r | |
2485 | length. MAX_UINT8 is returned when /P is\r | |
2486 | not in the String.\r | |
2487 | \r | |
2488 | @retval RETURN_SUCCESS Address is translated from String.\r | |
2489 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
2490 | If Data is NULL.\r | |
2491 | @retval RETURN_UNSUPPORTED If String is not in the correct format.\r | |
2492 | If any decimal number converted from D\r | |
2493 | exceeds 255.\r | |
2494 | If the decimal number converted from P\r | |
2495 | exceeds 32.\r | |
2496 | \r | |
2497 | **/\r | |
2498 | RETURN_STATUS\r | |
2499 | EFIAPI\r | |
2500 | AsciiStrToIpv4Address (\r | |
2501 | IN CONST CHAR8 *String,\r | |
2502 | OUT CHAR8 **EndPointer, OPTIONAL\r | |
2503 | OUT IPv4_ADDRESS *Address,\r | |
2504 | OUT UINT8 *PrefixLength OPTIONAL\r | |
2505 | );\r | |
2506 | \r | |
2507 | /**\r | |
2508 | Convert a Null-terminated ASCII GUID string to a value of type\r | |
2509 | EFI_GUID.\r | |
2510 | \r | |
2511 | This function outputs a GUID value by interpreting the contents of\r | |
2512 | the ASCII string specified by String. The format of the input\r | |
2513 | ASCII string String consists of 36 characters, as follows:\r | |
2514 | \r | |
2515 | aabbccdd-eeff-gghh-iijj-kkllmmnnoopp\r | |
2516 | \r | |
2517 | The pairs aa - pp are two characters in the range [0-9], [a-f] and\r | |
2518 | [A-F], with each pair representing a single byte hexadecimal value.\r | |
2519 | \r | |
2520 | The mapping between String and the EFI_GUID structure is as follows:\r | |
2521 | aa Data1[24:31]\r | |
2522 | bb Data1[16:23]\r | |
2523 | cc Data1[8:15]\r | |
2524 | dd Data1[0:7]\r | |
2525 | ee Data2[8:15]\r | |
2526 | ff Data2[0:7]\r | |
2527 | gg Data3[8:15]\r | |
2528 | hh Data3[0:7]\r | |
2529 | ii Data4[0:7]\r | |
2530 | jj Data4[8:15]\r | |
2531 | kk Data4[16:23]\r | |
2532 | ll Data4[24:31]\r | |
2533 | mm Data4[32:39]\r | |
2534 | nn Data4[40:47]\r | |
2535 | oo Data4[48:55]\r | |
2536 | pp Data4[56:63]\r | |
2537 | \r | |
2538 | If String is NULL, then ASSERT().\r | |
2539 | If Guid is NULL, then ASSERT().\r | |
2540 | \r | |
2541 | @param String Pointer to a Null-terminated ASCII string.\r | |
2542 | @param Guid Pointer to the converted GUID.\r | |
2543 | \r | |
2544 | @retval RETURN_SUCCESS Guid is translated from String.\r | |
2545 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
2546 | If Data is NULL.\r | |
2547 | @retval RETURN_UNSUPPORTED If String is not as the above format.\r | |
2548 | \r | |
2549 | **/\r | |
2550 | RETURN_STATUS\r | |
2551 | EFIAPI\r | |
2552 | AsciiStrToGuid (\r | |
2553 | IN CONST CHAR8 *String,\r | |
2554 | OUT GUID *Guid\r | |
2555 | );\r | |
2556 | \r | |
2557 | /**\r | |
2558 | Convert a Null-terminated ASCII hexadecimal string to a byte array.\r | |
2559 | \r | |
2560 | This function outputs a byte array by interpreting the contents of\r | |
2561 | the ASCII string specified by String in hexadecimal format. The format of\r | |
2562 | the input ASCII string String is:\r | |
2563 | \r | |
2564 | [XX]*\r | |
2565 | \r | |
2566 | X is a hexadecimal digit character in the range [0-9], [a-f] and [A-F].\r | |
2567 | The function decodes every two hexadecimal digit characters as one byte. The\r | |
2568 | decoding stops after Length of characters and outputs Buffer containing\r | |
2569 | (Length / 2) bytes.\r | |
2570 | \r | |
2571 | If String is NULL, then ASSERT().\r | |
2572 | \r | |
2573 | If Buffer is NULL, then ASSERT().\r | |
2574 | \r | |
2575 | If Length is not multiple of 2, then ASSERT().\r | |
2576 | \r | |
2577 | If PcdMaximumAsciiStringLength is not zero and Length is greater than\r | |
2578 | PcdMaximumAsciiStringLength, then ASSERT().\r | |
2579 | \r | |
2580 | If MaxBufferSize is less than (Length / 2), then ASSERT().\r | |
2581 | \r | |
2582 | @param String Pointer to a Null-terminated ASCII string.\r | |
2583 | @param Length The number of ASCII characters to decode.\r | |
2584 | @param Buffer Pointer to the converted bytes array.\r | |
2585 | @param MaxBufferSize The maximum size of Buffer.\r | |
2586 | \r | |
2587 | @retval RETURN_SUCCESS Buffer is translated from String.\r | |
2588 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
2589 | If Data is NULL.\r | |
2590 | If Length is not multiple of 2.\r | |
2591 | If PcdMaximumAsciiStringLength is not zero,\r | |
2592 | and Length is greater than\r | |
2593 | PcdMaximumAsciiStringLength.\r | |
2594 | @retval RETURN_UNSUPPORTED If Length of characters from String contain\r | |
2595 | a character that is not valid hexadecimal\r | |
2596 | digit characters, or a Null-terminator.\r | |
2597 | @retval RETURN_BUFFER_TOO_SMALL If MaxBufferSize is less than (Length / 2).\r | |
2598 | **/\r | |
2599 | RETURN_STATUS\r | |
2600 | EFIAPI\r | |
2601 | AsciiStrHexToBytes (\r | |
2602 | IN CONST CHAR8 *String,\r | |
2603 | IN UINTN Length,\r | |
2604 | OUT UINT8 *Buffer,\r | |
2605 | IN UINTN MaxBufferSize\r | |
2606 | );\r | |
2607 | \r | |
415aa2f1 | 2608 | #ifndef DISABLE_NEW_DEPRECATED_INTERFACES\r |
ac644614 | 2609 | \r |
2610 | /**\r | |
415aa2f1 SZ |
2611 | [ATTENTION] This function is deprecated for security reason.\r |
2612 | \r | |
ac644614 | 2613 | Convert one Null-terminated ASCII string to a Null-terminated\r |
2614 | Unicode string and returns the Unicode string.\r | |
2615 | \r | |
2616 | This function converts the contents of the ASCII string Source to the Unicode\r | |
2617 | string Destination, and returns Destination. The function terminates the\r | |
2618 | Unicode string Destination by appending a Null-terminator character at the end.\r | |
2619 | The caller is responsible to make sure Destination points to a buffer with size\r | |
2620 | equal or greater than ((AsciiStrLen (Source) + 1) * sizeof (CHAR16)) in bytes.\r | |
2621 | \r | |
2622 | If Destination is NULL, then ASSERT().\r | |
2623 | If Destination is not aligned on a 16-bit boundary, then ASSERT().\r | |
2624 | If Source is NULL, then ASSERT().\r | |
2625 | If Source and Destination overlap, then ASSERT().\r | |
2626 | If PcdMaximumAsciiStringLength is not zero, and Source contains more than\r | |
2627 | PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator,\r | |
2628 | then ASSERT().\r | |
2629 | If PcdMaximumUnicodeStringLength is not zero, and Source contains more than\r | |
2630 | PcdMaximumUnicodeStringLength ASCII characters not including the\r | |
2631 | Null-terminator, then ASSERT().\r | |
2632 | \r | |
af2dc6a7 | 2633 | @param Source The pointer to a Null-terminated ASCII string.\r |
2634 | @param Destination The pointer to a Null-terminated Unicode string.\r | |
ac644614 | 2635 | \r |
9aa049d9 | 2636 | @return Destination.\r |
ac644614 | 2637 | \r |
2638 | **/\r | |
2639 | CHAR16 *\r | |
2640 | EFIAPI\r | |
2641 | AsciiStrToUnicodeStr (\r | |
17f695ed | 2642 | IN CONST CHAR8 *Source,\r |
2643 | OUT CHAR16 *Destination\r | |
ac644614 | 2644 | );\r |
2645 | \r | |
de4f7f52 | 2646 | #endif // !defined (DISABLE_NEW_DEPRECATED_INTERFACES)\r |
415aa2f1 | 2647 | \r |
3ab41b7a JY |
2648 | /**\r |
2649 | Convert one Null-terminated ASCII string to a Null-terminated\r | |
2650 | Unicode string.\r | |
2651 | \r | |
2652 | This function is similar to StrCpyS.\r | |
2653 | \r | |
2654 | This function converts the contents of the ASCII string Source to the Unicode\r | |
2655 | string Destination. The function terminates the Unicode string Destination by\r | |
2656 | appending a Null-terminator character at the end.\r | |
2657 | \r | |
2658 | The caller is responsible to make sure Destination points to a buffer with size\r | |
2659 | equal or greater than ((AsciiStrLen (Source) + 1) * sizeof (CHAR16)) in bytes.\r | |
2660 | \r | |
2661 | If Destination is not aligned on a 16-bit boundary, then ASSERT().\r | |
2662 | If an error would be returned, then the function will also ASSERT().\r | |
2663 | \r | |
2664 | If an error is returned, then the Destination is unmodified.\r | |
2665 | \r | |
2666 | @param Source The pointer to a Null-terminated ASCII string.\r | |
2667 | @param Destination The pointer to a Null-terminated Unicode string.\r | |
2668 | @param DestMax The maximum number of Destination Unicode\r | |
2669 | char, including terminating null char.\r | |
2670 | \r | |
2671 | @retval RETURN_SUCCESS String is converted.\r | |
2672 | @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than StrLen(Source).\r | |
2673 | @retval RETURN_INVALID_PARAMETER If Destination is NULL.\r | |
2674 | If Source is NULL.\r | |
2675 | If PcdMaximumUnicodeStringLength is not zero,\r | |
2676 | and DestMax is greater than\r | |
2677 | PcdMaximumUnicodeStringLength.\r | |
2678 | If PcdMaximumAsciiStringLength is not zero,\r | |
2679 | and DestMax is greater than\r | |
2680 | PcdMaximumAsciiStringLength.\r | |
2681 | If DestMax is 0.\r | |
2682 | @retval RETURN_ACCESS_DENIED If Source and Destination overlap.\r | |
2683 | \r | |
2684 | **/\r | |
2685 | RETURN_STATUS\r | |
2686 | EFIAPI\r | |
2687 | AsciiStrToUnicodeStrS (\r | |
2688 | IN CONST CHAR8 *Source,\r | |
2689 | OUT CHAR16 *Destination,\r | |
2690 | IN UINTN DestMax\r | |
2691 | );\r | |
ac644614 | 2692 | \r |
02263214 HW |
2693 | /**\r |
2694 | Convert not more than Length successive characters from a Null-terminated\r | |
2695 | Ascii string to a Null-terminated Unicode string. If no null char is copied\r | |
2696 | from Source, then Destination[Length] is always set to null.\r | |
2697 | \r | |
2698 | This function converts not more than Length successive characters from the\r | |
2699 | Ascii string Source to the Unicode string Destination. The function\r | |
2700 | terminates the Unicode string Destination by appending a Null-terminator\r | |
2701 | character at the end.\r | |
2702 | \r | |
2703 | The caller is responsible to make sure Destination points to a buffer with\r | |
2704 | size not smaller than\r | |
2705 | ((MIN(AsciiStrLen(Source), Length) + 1) * sizeof (CHAR8)) in bytes.\r | |
2706 | \r | |
2707 | If Destination is not aligned on a 16-bit boundary, then ASSERT().\r | |
2708 | If an error would be returned, then the function will also ASSERT().\r | |
2709 | \r | |
2710 | If an error is returned, then Destination and DestinationLength are\r | |
2711 | unmodified.\r | |
2712 | \r | |
2713 | @param Source The pointer to a Null-terminated Ascii string.\r | |
2714 | @param Length The maximum number of Ascii characters to convert.\r | |
2715 | @param Destination The pointer to a Null-terminated Unicode string.\r | |
2716 | @param DestMax The maximum number of Destination Unicode char,\r | |
2717 | including terminating null char.\r | |
2718 | @param DestinationLength The number of Ascii characters converted.\r | |
2719 | \r | |
2720 | @retval RETURN_SUCCESS String is converted.\r | |
2721 | @retval RETURN_INVALID_PARAMETER If Destination is NULL.\r | |
2722 | If Source is NULL.\r | |
2723 | If DestinationLength is NULL.\r | |
2724 | If PcdMaximumUnicodeStringLength is not\r | |
2725 | zero, and Length or DestMax is greater than\r | |
2726 | PcdMaximumUnicodeStringLength.\r | |
2727 | If PcdMaximumAsciiStringLength is not zero,\r | |
2728 | and Length or DestMax is greater than\r | |
2729 | PcdMaximumAsciiStringLength.\r | |
2730 | If DestMax is 0.\r | |
2731 | @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than\r | |
2732 | MIN(AsciiStrLen(Source), Length).\r | |
2733 | @retval RETURN_ACCESS_DENIED If Source and Destination overlap.\r | |
2734 | \r | |
2735 | **/\r | |
2736 | RETURN_STATUS\r | |
2737 | EFIAPI\r | |
2738 | AsciiStrnToUnicodeStrS (\r | |
2739 | IN CONST CHAR8 *Source,\r | |
2740 | IN UINTN Length,\r | |
2741 | OUT CHAR16 *Destination,\r | |
2742 | IN UINTN DestMax,\r | |
2743 | OUT UINTN *DestinationLength\r | |
2744 | );\r | |
2745 | \r | |
5dbfa01e MT |
2746 | /**\r |
2747 | Convert a Unicode character to upper case only if\r | |
2748 | it maps to a valid small-case ASCII character.\r | |
2749 | \r | |
2750 | This internal function only deal with Unicode character\r | |
2751 | which maps to a valid small-case ASCII character, i.e.\r | |
2752 | L'a' to L'z'. For other Unicode character, the input character\r | |
2753 | is returned directly.\r | |
2754 | \r | |
2755 | @param Char The character to convert.\r | |
2756 | \r | |
2757 | @retval LowerCharacter If the Char is with range L'a' to L'z'.\r | |
2758 | @retval Unchanged Otherwise.\r | |
2759 | \r | |
2760 | **/\r | |
2761 | CHAR16\r | |
2762 | EFIAPI\r | |
2763 | CharToUpper (\r | |
2764 | IN CHAR16 Char\r | |
2765 | );\r | |
2766 | \r | |
2767 | /**\r | |
2768 | Converts a lowercase Ascii character to upper one.\r | |
2769 | \r | |
2770 | If Chr is lowercase Ascii character, then converts it to upper one.\r | |
2771 | \r | |
2772 | If Value >= 0xA0, then ASSERT().\r | |
2773 | If (Value & 0x0F) >= 0x0A, then ASSERT().\r | |
2774 | \r | |
2775 | @param Chr one Ascii character\r | |
2776 | \r | |
2777 | @return The uppercase value of Ascii character\r | |
2778 | \r | |
2779 | **/\r | |
2780 | CHAR8\r | |
2781 | EFIAPI\r | |
2782 | AsciiCharToUpper (\r | |
2783 | IN CHAR8 Chr\r | |
2784 | );\r | |
2785 | \r | |
1f7af69d MT |
2786 | /**\r |
2787 | Convert binary data to a Base64 encoded ascii string based on RFC4648.\r | |
2788 | \r | |
2789 | Produce a Null-terminated Ascii string in the output buffer specified by Destination and DestinationSize.\r | |
2790 | The Ascii string is produced by converting the data string specified by Source and SourceLength.\r | |
2791 | \r | |
2792 | @param Source Input UINT8 data\r | |
2793 | @param SourceLength Number of UINT8 bytes of data\r | |
2794 | @param Destination Pointer to output string buffer\r | |
2795 | @param DestinationSize Size of ascii buffer. Set to 0 to get the size needed.\r | |
2796 | Caller is responsible for passing in buffer of DestinationSize\r | |
2797 | \r | |
2798 | @retval RETURN_SUCCESS When ascii buffer is filled in.\r | |
2799 | @retval RETURN_INVALID_PARAMETER If Source is NULL or DestinationSize is NULL.\r | |
2800 | @retval RETURN_INVALID_PARAMETER If SourceLength or DestinationSize is bigger than (MAX_ADDRESS - (UINTN)Destination).\r | |
2801 | @retval RETURN_BUFFER_TOO_SMALL If SourceLength is 0 and DestinationSize is <1.\r | |
2802 | @retval RETURN_BUFFER_TOO_SMALL If Destination is NULL or DestinationSize is smaller than required buffersize.\r | |
2803 | \r | |
2804 | **/\r | |
2805 | RETURN_STATUS\r | |
2806 | EFIAPI\r | |
2807 | Base64Encode (\r | |
2808 | IN CONST UINT8 *Source,\r | |
2809 | IN UINTN SourceLength,\r | |
2810 | OUT CHAR8 *Destination OPTIONAL,\r | |
2811 | IN OUT UINTN *DestinationSize\r | |
2812 | );\r | |
2813 | \r | |
2814 | /**\r | |
5d68fc67 LE |
2815 | Decode Base64 ASCII encoded data to 8-bit binary representation, based on\r |
2816 | RFC4648.\r | |
2817 | \r | |
2818 | Decoding occurs according to "Table 1: The Base 64 Alphabet" in RFC4648.\r | |
2819 | \r | |
2820 | Whitespace is ignored at all positions:\r | |
2821 | - 0x09 ('\t') horizontal tab\r | |
2822 | - 0x0A ('\n') new line\r | |
2823 | - 0x0B ('\v') vertical tab\r | |
2824 | - 0x0C ('\f') form feed\r | |
2825 | - 0x0D ('\r') carriage return\r | |
2826 | - 0x20 (' ') space\r | |
2827 | \r | |
2828 | The minimum amount of required padding (with ASCII 0x3D, '=') is tolerated\r | |
2829 | and enforced at the end of the Base64 ASCII encoded data, and only there.\r | |
2830 | \r | |
2831 | Other characters outside of the encoding alphabet cause the function to\r | |
2832 | reject the Base64 ASCII encoded data.\r | |
2833 | \r | |
2834 | @param[in] Source Array of CHAR8 elements containing the Base64\r | |
2835 | ASCII encoding. May be NULL if SourceSize is\r | |
2836 | zero.\r | |
2837 | \r | |
2838 | @param[in] SourceSize Number of CHAR8 elements in Source.\r | |
2839 | \r | |
2840 | @param[out] Destination Array of UINT8 elements receiving the decoded\r | |
2841 | 8-bit binary representation. Allocated by the\r | |
2842 | caller. May be NULL if DestinationSize is\r | |
2843 | zero on input. If NULL, decoding is\r | |
2844 | performed, but the 8-bit binary\r | |
2845 | representation is not stored. If non-NULL and\r | |
2846 | the function returns an error, the contents\r | |
2847 | of Destination are indeterminate.\r | |
2848 | \r | |
2849 | @param[in,out] DestinationSize On input, the number of UINT8 elements that\r | |
2850 | the caller allocated for Destination. On\r | |
2851 | output, if the function returns\r | |
2852 | RETURN_SUCCESS or RETURN_BUFFER_TOO_SMALL,\r | |
2853 | the number of UINT8 elements that are\r | |
2854 | required for decoding the Base64 ASCII\r | |
2855 | representation. If the function returns a\r | |
2856 | value different from both RETURN_SUCCESS and\r | |
2857 | RETURN_BUFFER_TOO_SMALL, then DestinationSize\r | |
2858 | is indeterminate on output.\r | |
2859 | \r | |
2860 | @retval RETURN_SUCCESS SourceSize CHAR8 elements at Source have\r | |
2861 | been decoded to on-output DestinationSize\r | |
2862 | UINT8 elements at Destination. Note that\r | |
2863 | RETURN_SUCCESS covers the case when\r | |
2864 | DestinationSize is zero on input, and\r | |
2865 | Source decodes to zero bytes (due to\r | |
2866 | containing at most ignored whitespace).\r | |
2867 | \r | |
2868 | @retval RETURN_BUFFER_TOO_SMALL The input value of DestinationSize is not\r | |
2869 | large enough for decoding SourceSize CHAR8\r | |
2870 | elements at Source. The required number of\r | |
2871 | UINT8 elements has been stored to\r | |
2872 | DestinationSize.\r | |
2873 | \r | |
2874 | @retval RETURN_INVALID_PARAMETER DestinationSize is NULL.\r | |
2875 | \r | |
2876 | @retval RETURN_INVALID_PARAMETER Source is NULL, but SourceSize is not zero.\r | |
2877 | \r | |
2878 | @retval RETURN_INVALID_PARAMETER Destination is NULL, but DestinationSize is\r | |
2879 | not zero on input.\r | |
2880 | \r | |
2881 | @retval RETURN_INVALID_PARAMETER Source is non-NULL, and (Source +\r | |
2882 | SourceSize) would wrap around MAX_ADDRESS.\r | |
2883 | \r | |
2884 | @retval RETURN_INVALID_PARAMETER Destination is non-NULL, and (Destination +\r | |
2885 | DestinationSize) would wrap around\r | |
2886 | MAX_ADDRESS, as specified on input.\r | |
2887 | \r | |
2888 | @retval RETURN_INVALID_PARAMETER None of Source and Destination are NULL,\r | |
2889 | and CHAR8[SourceSize] at Source overlaps\r | |
2890 | UINT8[DestinationSize] at Destination, as\r | |
2891 | specified on input.\r | |
2892 | \r | |
2893 | @retval RETURN_INVALID_PARAMETER Invalid CHAR8 element encountered in\r | |
2894 | Source.\r | |
2895 | **/\r | |
1f7af69d MT |
2896 | RETURN_STATUS\r |
2897 | EFIAPI\r | |
2898 | Base64Decode (\r | |
5d68fc67 LE |
2899 | IN CONST CHAR8 *Source OPTIONAL,\r |
2900 | IN UINTN SourceSize,\r | |
2901 | OUT UINT8 *Destination OPTIONAL,\r | |
2902 | IN OUT UINTN *DestinationSize\r | |
1f7af69d MT |
2903 | );\r |
2904 | \r | |
ac644614 | 2905 | /**\r |
2906 | Converts an 8-bit value to an 8-bit BCD value.\r | |
2907 | \r | |
2908 | Converts the 8-bit value specified by Value to BCD. The BCD value is\r | |
2909 | returned.\r | |
2910 | \r | |
2911 | If Value >= 100, then ASSERT().\r | |
2912 | \r | |
2913 | @param Value The 8-bit value to convert to BCD. Range 0..99.\r | |
2914 | \r | |
9aa049d9 | 2915 | @return The BCD value.\r |
ac644614 | 2916 | \r |
2917 | **/\r | |
2918 | UINT8\r | |
2919 | EFIAPI\r | |
2920 | DecimalToBcd8 (\r | |
2921 | IN UINT8 Value\r | |
2922 | );\r | |
2923 | \r | |
2924 | \r | |
2925 | /**\r | |
2926 | Converts an 8-bit BCD value to an 8-bit value.\r | |
2927 | \r | |
2928 | Converts the 8-bit BCD value specified by Value to an 8-bit value. The 8-bit\r | |
2929 | value is returned.\r | |
2930 | \r | |
2931 | If Value >= 0xA0, then ASSERT().\r | |
2932 | If (Value & 0x0F) >= 0x0A, then ASSERT().\r | |
2933 | \r | |
2934 | @param Value The 8-bit BCD value to convert to an 8-bit value.\r | |
2935 | \r | |
2936 | @return The 8-bit value is returned.\r | |
2937 | \r | |
2938 | **/\r | |
2939 | UINT8\r | |
2940 | EFIAPI\r | |
2941 | BcdToDecimal8 (\r | |
2942 | IN UINT8 Value\r | |
2943 | );\r | |
2944 | \r | |
ae591c14 DM |
2945 | //\r |
2946 | // File Path Manipulation Functions\r | |
2947 | //\r | |
2948 | \r | |
2949 | /**\r | |
6a623094 | 2950 | Removes the last directory or file entry in a path.\r |
ae591c14 DM |
2951 | \r |
2952 | @param[in, out] Path The pointer to the path to modify.\r | |
2953 | \r | |
2954 | @retval FALSE Nothing was found to remove.\r | |
2955 | @retval TRUE A directory or file was removed.\r | |
2956 | **/\r | |
2957 | BOOLEAN\r | |
2958 | EFIAPI\r | |
2959 | PathRemoveLastItem(\r | |
2960 | IN OUT CHAR16 *Path\r | |
2961 | );\r | |
2962 | \r | |
2963 | /**\r | |
2964 | Function to clean up paths.\r | |
2965 | - Single periods in the path are removed.\r | |
2966 | - Double periods in the path are removed along with a single parent directory.\r | |
2967 | - Forward slashes L'/' are converted to backward slashes L'\'.\r | |
2968 | \r | |
2969 | This will be done inline and the existing buffer may be larger than required\r | |
2970 | upon completion.\r | |
2971 | \r | |
2972 | @param[in] Path The pointer to the string containing the path.\r | |
2973 | \r | |
00b7cc0f | 2974 | @return Returns Path, otherwise returns NULL to indicate that an error has occurred.\r |
ae591c14 DM |
2975 | **/\r |
2976 | CHAR16*\r | |
2977 | EFIAPI\r | |
2978 | PathCleanUpDirectories(\r | |
2979 | IN CHAR16 *Path\r | |
909ac47b | 2980 | );\r |
ac644614 | 2981 | \r |
2982 | //\r | |
2983 | // Linked List Functions and Macros\r | |
2984 | //\r | |
2985 | \r | |
2986 | /**\r | |
2987 | Initializes the head node of a doubly linked list that is declared as a\r | |
2988 | global variable in a module.\r | |
2989 | \r | |
2990 | Initializes the forward and backward links of a new linked list. After\r | |
2991 | initializing a linked list with this macro, the other linked list functions\r | |
2992 | may be used to add and remove nodes from the linked list. This macro results\r | |
2993 | in smaller executables by initializing the linked list in the data section,\r | |
2994 | instead if calling the InitializeListHead() function to perform the\r | |
2995 | equivalent operation.\r | |
2996 | \r | |
77f863ee | 2997 | @param ListHead The head note of a list to initialize.\r |
ac644614 | 2998 | \r |
2999 | **/\r | |
17f695ed | 3000 | #define INITIALIZE_LIST_HEAD_VARIABLE(ListHead) {&(ListHead), &(ListHead)}\r |
ac644614 | 3001 | \r |
3b5a58c5 MK |
3002 | /**\r |
3003 | Iterates over each node in a doubly linked list using each node's forward link.\r | |
3004 | \r | |
3005 | @param Entry A pointer to a list node used as a loop cursor during iteration\r | |
3006 | @param ListHead The head node of the doubly linked list\r | |
3007 | \r | |
3008 | **/\r | |
3009 | #define BASE_LIST_FOR_EACH(Entry, ListHead) \\r | |
3010 | for(Entry = (ListHead)->ForwardLink; Entry != (ListHead); Entry = Entry->ForwardLink)\r | |
3011 | \r | |
3012 | /**\r | |
3013 | Iterates over each node in a doubly linked list using each node's forward link\r | |
3014 | with safety against node removal.\r | |
3015 | \r | |
3016 | This macro uses NextEntry to temporarily store the next list node so the node\r | |
3017 | pointed to by Entry may be deleted in the current loop iteration step and\r | |
3018 | iteration can continue from the node pointed to by NextEntry.\r | |
3019 | \r | |
3020 | @param Entry A pointer to a list node used as a loop cursor during iteration\r | |
3021 | @param NextEntry A pointer to a list node used to temporarily store the next node\r | |
3022 | @param ListHead The head node of the doubly linked list\r | |
3023 | \r | |
3024 | **/\r | |
3025 | #define BASE_LIST_FOR_EACH_SAFE(Entry, NextEntry, ListHead) \\r | |
3026 | for(Entry = (ListHead)->ForwardLink, NextEntry = Entry->ForwardLink;\\r | |
3027 | Entry != (ListHead); Entry = NextEntry, NextEntry = Entry->ForwardLink)\r | |
ac644614 | 3028 | \r |
d0aef615 MH |
3029 | /**\r |
3030 | Checks whether FirstEntry and SecondEntry are part of the same doubly-linked\r | |
3031 | list.\r | |
3032 | \r | |
3033 | If FirstEntry is NULL, then ASSERT().\r | |
3034 | If FirstEntry->ForwardLink is NULL, then ASSERT().\r | |
3035 | If FirstEntry->BackLink is NULL, then ASSERT().\r | |
3036 | If SecondEntry is NULL, then ASSERT();\r | |
3037 | If PcdMaximumLinkedListLength is not zero, and List contains more than\r | |
3038 | PcdMaximumLinkedListLength nodes, then ASSERT().\r | |
3039 | \r | |
3040 | @param FirstEntry A pointer to a node in a linked list.\r | |
3041 | @param SecondEntry A pointer to the node to locate.\r | |
3042 | \r | |
3043 | @retval TRUE SecondEntry is in the same doubly-linked list as FirstEntry.\r | |
3044 | @retval FALSE SecondEntry isn't in the same doubly-linked list as FirstEntry,\r | |
3045 | or FirstEntry is invalid.\r | |
3046 | \r | |
3047 | **/\r | |
3048 | BOOLEAN\r | |
3049 | EFIAPI\r | |
3050 | IsNodeInList (\r | |
3051 | IN CONST LIST_ENTRY *FirstEntry,\r | |
3052 | IN CONST LIST_ENTRY *SecondEntry\r | |
3053 | );\r | |
3054 | \r | |
3055 | \r | |
ac644614 | 3056 | /**\r |
3057 | Initializes the head node of a doubly linked list, and returns the pointer to\r | |
3058 | the head node of the doubly linked list.\r | |
3059 | \r | |
3060 | Initializes the forward and backward links of a new linked list. After\r | |
3061 | initializing a linked list with this function, the other linked list\r | |
3062 | functions may be used to add and remove nodes from the linked list. It is up\r | |
3063 | to the caller of this function to allocate the memory for ListHead.\r | |
3064 | \r | |
3065 | If ListHead is NULL, then ASSERT().\r | |
3066 | \r | |
3067 | @param ListHead A pointer to the head node of a new doubly linked list.\r | |
3068 | \r | |
3069 | @return ListHead\r | |
3070 | \r | |
3071 | **/\r | |
3072 | LIST_ENTRY *\r | |
3073 | EFIAPI\r | |
3074 | InitializeListHead (\r | |
aa0583c7 | 3075 | IN OUT LIST_ENTRY *ListHead\r |
ac644614 | 3076 | );\r |
3077 | \r | |
3078 | \r | |
3079 | /**\r | |
3080 | Adds a node to the beginning of a doubly linked list, and returns the pointer\r | |
3081 | to the head node of the doubly linked list.\r | |
3082 | \r | |
3083 | Adds the node Entry at the beginning of the doubly linked list denoted by\r | |
3084 | ListHead, and returns ListHead.\r | |
3085 | \r | |
3086 | If ListHead is NULL, then ASSERT().\r | |
3087 | If Entry is NULL, then ASSERT().\r | |
17f695ed | 3088 | If ListHead was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or\r |
3089 | InitializeListHead(), then ASSERT().\r | |
a71865b1 | 3090 | If PcdMaximumLinkedListLength is not zero, and prior to insertion the number\r |
ac644614 | 3091 | of nodes in ListHead, including the ListHead node, is greater than or\r |
3092 | equal to PcdMaximumLinkedListLength, then ASSERT().\r | |
3093 | \r | |
3094 | @param ListHead A pointer to the head node of a doubly linked list.\r | |
3095 | @param Entry A pointer to a node that is to be inserted at the beginning\r | |
3096 | of a doubly linked list.\r | |
3097 | \r | |
3098 | @return ListHead\r | |
3099 | \r | |
3100 | **/\r | |
3101 | LIST_ENTRY *\r | |
3102 | EFIAPI\r | |
3103 | InsertHeadList (\r | |
aa0583c7 | 3104 | IN OUT LIST_ENTRY *ListHead,\r |
3105 | IN OUT LIST_ENTRY *Entry\r | |
ac644614 | 3106 | );\r |
3107 | \r | |
3108 | \r | |
3109 | /**\r | |
3110 | Adds a node to the end of a doubly linked list, and returns the pointer to\r | |
3111 | the head node of the doubly linked list.\r | |
3112 | \r | |
3113 | Adds the node Entry to the end of the doubly linked list denoted by ListHead,\r | |
3114 | and returns ListHead.\r | |
3115 | \r | |
3116 | If ListHead is NULL, then ASSERT().\r | |
3117 | If Entry is NULL, then ASSERT().\r | |
9095d37b | 3118 | If ListHead was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or\r |
17f695ed | 3119 | InitializeListHead(), then ASSERT().\r |
a71865b1 | 3120 | If PcdMaximumLinkedListLength is not zero, and prior to insertion the number\r |
ac644614 | 3121 | of nodes in ListHead, including the ListHead node, is greater than or\r |
3122 | equal to PcdMaximumLinkedListLength, then ASSERT().\r | |
3123 | \r | |
3124 | @param ListHead A pointer to the head node of a doubly linked list.\r | |
3125 | @param Entry A pointer to a node that is to be added at the end of the\r | |
3126 | doubly linked list.\r | |
3127 | \r | |
3128 | @return ListHead\r | |
3129 | \r | |
3130 | **/\r | |
3131 | LIST_ENTRY *\r | |
3132 | EFIAPI\r | |
3133 | InsertTailList (\r | |
aa0583c7 | 3134 | IN OUT LIST_ENTRY *ListHead,\r |
3135 | IN OUT LIST_ENTRY *Entry\r | |
ac644614 | 3136 | );\r |
3137 | \r | |
3138 | \r | |
3139 | /**\r | |
3140 | Retrieves the first node of a doubly linked list.\r | |
3141 | \r | |
9095d37b | 3142 | Returns the first node of a doubly linked list. List must have been\r |
17f695ed | 3143 | initialized with INTIALIZE_LIST_HEAD_VARIABLE() or InitializeListHead().\r |
3144 | If List is empty, then List is returned.\r | |
ac644614 | 3145 | \r |
3146 | If List is NULL, then ASSERT().\r | |
9095d37b | 3147 | If List was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or\r |
17f695ed | 3148 | InitializeListHead(), then ASSERT().\r |
a71865b1 | 3149 | If PcdMaximumLinkedListLength is not zero, and the number of nodes\r |
ac644614 | 3150 | in List, including the List node, is greater than or equal to\r |
3151 | PcdMaximumLinkedListLength, then ASSERT().\r | |
3152 | \r | |
3153 | @param List A pointer to the head node of a doubly linked list.\r | |
3154 | \r | |
3155 | @return The first node of a doubly linked list.\r | |
e01a125f | 3156 | @retval List The list is empty.\r |
ac644614 | 3157 | \r |
3158 | **/\r | |
3159 | LIST_ENTRY *\r | |
3160 | EFIAPI\r | |
3161 | GetFirstNode (\r | |
3162 | IN CONST LIST_ENTRY *List\r | |
3163 | );\r | |
3164 | \r | |
3165 | \r | |
3166 | /**\r | |
3167 | Retrieves the next node of a doubly linked list.\r | |
3168 | \r | |
9095d37b | 3169 | Returns the node of a doubly linked list that follows Node.\r |
17f695ed | 3170 | List must have been initialized with INTIALIZE_LIST_HEAD_VARIABLE()\r |
3171 | or InitializeListHead(). If List is empty, then List is returned.\r | |
ac644614 | 3172 | \r |
3173 | If List is NULL, then ASSERT().\r | |
3174 | If Node is NULL, then ASSERT().\r | |
9095d37b | 3175 | If List was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or\r |
17f695ed | 3176 | InitializeListHead(), then ASSERT().\r |
a71865b1 LG |
3177 | If PcdMaximumLinkedListLength is not zero, and List contains more than\r |
3178 | PcdMaximumLinkedListLength nodes, then ASSERT().\r | |
1081f624 | 3179 | If PcdVerifyNodeInList is TRUE and Node is not a node in List, then ASSERT().\r |
ac644614 | 3180 | \r |
3181 | @param List A pointer to the head node of a doubly linked list.\r | |
3182 | @param Node A pointer to a node in the doubly linked list.\r | |
3183 | \r | |
af2dc6a7 | 3184 | @return The pointer to the next node if one exists. Otherwise List is returned.\r |
ac644614 | 3185 | \r |
3186 | **/\r | |
3187 | LIST_ENTRY *\r | |
3188 | EFIAPI\r | |
3189 | GetNextNode (\r | |
3190 | IN CONST LIST_ENTRY *List,\r | |
3191 | IN CONST LIST_ENTRY *Node\r | |
3192 | );\r | |
3193 | \r | |
9095d37b | 3194 | \r |
cbca8de5 | 3195 | /**\r |
3196 | Retrieves the previous node of a doubly linked list.\r | |
9095d37b LG |
3197 | \r |
3198 | Returns the node of a doubly linked list that precedes Node.\r | |
cbca8de5 | 3199 | List must have been initialized with INTIALIZE_LIST_HEAD_VARIABLE()\r |
3200 | or InitializeListHead(). If List is empty, then List is returned.\r | |
9095d37b | 3201 | \r |
cbca8de5 | 3202 | If List is NULL, then ASSERT().\r |
3203 | If Node is NULL, then ASSERT().\r | |
9095d37b | 3204 | If List was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or\r |
cbca8de5 | 3205 | InitializeListHead(), then ASSERT().\r |
a71865b1 LG |
3206 | If PcdMaximumLinkedListLength is not zero, and List contains more than\r |
3207 | PcdMaximumLinkedListLength nodes, then ASSERT().\r | |
cbca8de5 | 3208 | If PcdVerifyNodeInList is TRUE and Node is not a node in List, then ASSERT().\r |
9095d37b | 3209 | \r |
cbca8de5 | 3210 | @param List A pointer to the head node of a doubly linked list.\r |
3211 | @param Node A pointer to a node in the doubly linked list.\r | |
9095d37b | 3212 | \r |
af2dc6a7 | 3213 | @return The pointer to the previous node if one exists. Otherwise List is returned.\r |
9095d37b | 3214 | \r |
cbca8de5 | 3215 | **/\r |
3216 | LIST_ENTRY *\r | |
3217 | EFIAPI\r | |
3218 | GetPreviousNode (\r | |
3219 | IN CONST LIST_ENTRY *List,\r | |
3220 | IN CONST LIST_ENTRY *Node\r | |
3221 | );\r | |
ac644614 | 3222 | \r |
9095d37b | 3223 | \r |
ac644614 | 3224 | /**\r |
3225 | Checks to see if a doubly linked list is empty or not.\r | |
3226 | \r | |
3227 | Checks to see if the doubly linked list is empty. If the linked list contains\r | |
3228 | zero nodes, this function returns TRUE. Otherwise, it returns FALSE.\r | |
3229 | \r | |
3230 | If ListHead is NULL, then ASSERT().\r | |
9095d37b | 3231 | If ListHead was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or\r |
17f695ed | 3232 | InitializeListHead(), then ASSERT().\r |
a71865b1 | 3233 | If PcdMaximumLinkedListLength is not zero, and the number of nodes\r |
ac644614 | 3234 | in List, including the List node, is greater than or equal to\r |
3235 | PcdMaximumLinkedListLength, then ASSERT().\r | |
3236 | \r | |
3237 | @param ListHead A pointer to the head node of a doubly linked list.\r | |
3238 | \r | |
3239 | @retval TRUE The linked list is empty.\r | |
3240 | @retval FALSE The linked list is not empty.\r | |
3241 | \r | |
3242 | **/\r | |
3243 | BOOLEAN\r | |
3244 | EFIAPI\r | |
3245 | IsListEmpty (\r | |
3246 | IN CONST LIST_ENTRY *ListHead\r | |
3247 | );\r | |
3248 | \r | |
3249 | \r | |
3250 | /**\r | |
aa0583c7 | 3251 | Determines if a node in a doubly linked list is the head node of a the same\r |
3252 | doubly linked list. This function is typically used to terminate a loop that\r | |
3253 | traverses all the nodes in a doubly linked list starting with the head node.\r | |
ac644614 | 3254 | \r |
aa0583c7 | 3255 | Returns TRUE if Node is equal to List. Returns FALSE if Node is one of the\r |
3256 | nodes in the doubly linked list specified by List. List must have been\r | |
17f695ed | 3257 | initialized with INTIALIZE_LIST_HEAD_VARIABLE() or InitializeListHead().\r |
ac644614 | 3258 | \r |
3259 | If List is NULL, then ASSERT().\r | |
3260 | If Node is NULL, then ASSERT().\r | |
9095d37b | 3261 | If List was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or InitializeListHead(),\r |
17f695ed | 3262 | then ASSERT().\r |
a71865b1 | 3263 | If PcdMaximumLinkedListLength is not zero, and the number of nodes\r |
ac644614 | 3264 | in List, including the List node, is greater than or equal to\r |
3265 | PcdMaximumLinkedListLength, then ASSERT().\r | |
9095d37b | 3266 | If PcdVerifyNodeInList is TRUE and Node is not a node in List the and Node is not equal\r |
1081f624 | 3267 | to List, then ASSERT().\r |
ac644614 | 3268 | \r |
3269 | @param List A pointer to the head node of a doubly linked list.\r | |
3270 | @param Node A pointer to a node in the doubly linked list.\r | |
3271 | \r | |
1955808d LG |
3272 | @retval TRUE Node is the head of the doubly-linked list pointed by List.\r |
3273 | @retval FALSE Node is not the head of the doubly-linked list pointed by List.\r | |
ac644614 | 3274 | \r |
3275 | **/\r | |
3276 | BOOLEAN\r | |
3277 | EFIAPI\r | |
3278 | IsNull (\r | |
3279 | IN CONST LIST_ENTRY *List,\r | |
3280 | IN CONST LIST_ENTRY *Node\r | |
3281 | );\r | |
3282 | \r | |
3283 | \r | |
3284 | /**\r | |
3285 | Determines if a node the last node in a doubly linked list.\r | |
3286 | \r | |
3287 | Returns TRUE if Node is the last node in the doubly linked list specified by\r | |
3288 | List. Otherwise, FALSE is returned. List must have been initialized with\r | |
17f695ed | 3289 | INTIALIZE_LIST_HEAD_VARIABLE() or InitializeListHead().\r |
ac644614 | 3290 | \r |
3291 | If List is NULL, then ASSERT().\r | |
3292 | If Node is NULL, then ASSERT().\r | |
17f695ed | 3293 | If List was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or\r |
3294 | InitializeListHead(), then ASSERT().\r | |
a71865b1 | 3295 | If PcdMaximumLinkedListLength is not zero, and the number of nodes\r |
ac644614 | 3296 | in List, including the List node, is greater than or equal to\r |
3297 | PcdMaximumLinkedListLength, then ASSERT().\r | |
1081f624 | 3298 | If PcdVerifyNodeInList is TRUE and Node is not a node in List, then ASSERT().\r |
ac644614 | 3299 | \r |
3300 | @param List A pointer to the head node of a doubly linked list.\r | |
3301 | @param Node A pointer to a node in the doubly linked list.\r | |
3302 | \r | |
3303 | @retval TRUE Node is the last node in the linked list.\r | |
3304 | @retval FALSE Node is not the last node in the linked list.\r | |
3305 | \r | |
3306 | **/\r | |
3307 | BOOLEAN\r | |
3308 | EFIAPI\r | |
3309 | IsNodeAtEnd (\r | |
3310 | IN CONST LIST_ENTRY *List,\r | |
3311 | IN CONST LIST_ENTRY *Node\r | |
3312 | );\r | |
3313 | \r | |
3314 | \r | |
3315 | /**\r | |
3316 | Swaps the location of two nodes in a doubly linked list, and returns the\r | |
3317 | first node after the swap.\r | |
3318 | \r | |
3319 | If FirstEntry is identical to SecondEntry, then SecondEntry is returned.\r | |
3320 | Otherwise, the location of the FirstEntry node is swapped with the location\r | |
3321 | of the SecondEntry node in a doubly linked list. SecondEntry must be in the\r | |
3322 | same double linked list as FirstEntry and that double linked list must have\r | |
9095d37b | 3323 | been initialized with INTIALIZE_LIST_HEAD_VARIABLE() or InitializeListHead().\r |
17f695ed | 3324 | SecondEntry is returned after the nodes are swapped.\r |
ac644614 | 3325 | \r |
3326 | If FirstEntry is NULL, then ASSERT().\r | |
3327 | If SecondEntry is NULL, then ASSERT().\r | |
9095d37b | 3328 | If PcdVerifyNodeInList is TRUE and SecondEntry and FirstEntry are not in the\r |
1081f624 | 3329 | same linked list, then ASSERT().\r |
ac644614 | 3330 | If PcdMaximumLinkedListLength is not zero, and the number of nodes in the\r |
3331 | linked list containing the FirstEntry and SecondEntry nodes, including\r | |
3332 | the FirstEntry and SecondEntry nodes, is greater than or equal to\r | |
3333 | PcdMaximumLinkedListLength, then ASSERT().\r | |
3334 | \r | |
3335 | @param FirstEntry A pointer to a node in a linked list.\r | |
3336 | @param SecondEntry A pointer to another node in the same linked list.\r | |
9095d37b | 3337 | \r |
9aa049d9 | 3338 | @return SecondEntry.\r |
ac644614 | 3339 | \r |
3340 | **/\r | |
3341 | LIST_ENTRY *\r | |
3342 | EFIAPI\r | |
3343 | SwapListEntries (\r | |
aa0583c7 | 3344 | IN OUT LIST_ENTRY *FirstEntry,\r |
3345 | IN OUT LIST_ENTRY *SecondEntry\r | |
ac644614 | 3346 | );\r |
3347 | \r | |
3348 | \r | |
3349 | /**\r | |
3350 | Removes a node from a doubly linked list, and returns the node that follows\r | |
3351 | the removed node.\r | |
3352 | \r | |
3353 | Removes the node Entry from a doubly linked list. It is up to the caller of\r | |
3354 | this function to release the memory used by this node if that is required. On\r | |
3355 | exit, the node following Entry in the doubly linked list is returned. If\r | |
3356 | Entry is the only node in the linked list, then the head node of the linked\r | |
3357 | list is returned.\r | |
3358 | \r | |
3359 | If Entry is NULL, then ASSERT().\r | |
3360 | If Entry is the head node of an empty list, then ASSERT().\r | |
3361 | If PcdMaximumLinkedListLength is not zero, and the number of nodes in the\r | |
3362 | linked list containing Entry, including the Entry node, is greater than\r | |
3363 | or equal to PcdMaximumLinkedListLength, then ASSERT().\r | |
3364 | \r | |
9aa049d9 | 3365 | @param Entry A pointer to a node in a linked list.\r |
ac644614 | 3366 | \r |
9aa049d9 | 3367 | @return Entry.\r |
ac644614 | 3368 | \r |
3369 | **/\r | |
3370 | LIST_ENTRY *\r | |
3371 | EFIAPI\r | |
3372 | RemoveEntryList (\r | |
3373 | IN CONST LIST_ENTRY *Entry\r | |
3374 | );\r | |
3375 | \r | |
3376 | //\r | |
3377 | // Math Services\r | |
3378 | //\r | |
3379 | \r | |
3380 | /**\r | |
3381 | Shifts a 64-bit integer left between 0 and 63 bits. The low bits are filled\r | |
3382 | with zeros. The shifted value is returned.\r | |
3383 | \r | |
3384 | This function shifts the 64-bit value Operand to the left by Count bits. The\r | |
3385 | low Count bits are set to zero. The shifted value is returned.\r | |
3386 | \r | |
3387 | If Count is greater than 63, then ASSERT().\r | |
3388 | \r | |
3389 | @param Operand The 64-bit operand to shift left.\r | |
3390 | @param Count The number of bits to shift left.\r | |
3391 | \r | |
9aa049d9 | 3392 | @return Operand << Count.\r |
ac644614 | 3393 | \r |
3394 | **/\r | |
3395 | UINT64\r | |
3396 | EFIAPI\r | |
3397 | LShiftU64 (\r | |
3398 | IN UINT64 Operand,\r | |
3399 | IN UINTN Count\r | |
3400 | );\r | |
3401 | \r | |
3402 | \r | |
3403 | /**\r | |
3404 | Shifts a 64-bit integer right between 0 and 63 bits. This high bits are\r | |
3405 | filled with zeros. The shifted value is returned.\r | |
3406 | \r | |
3407 | This function shifts the 64-bit value Operand to the right by Count bits. The\r | |
3408 | high Count bits are set to zero. The shifted value is returned.\r | |
3409 | \r | |
3410 | If Count is greater than 63, then ASSERT().\r | |
3411 | \r | |
3412 | @param Operand The 64-bit operand to shift right.\r | |
3413 | @param Count The number of bits to shift right.\r | |
3414 | \r | |
3415 | @return Operand >> Count\r | |
3416 | \r | |
3417 | **/\r | |
3418 | UINT64\r | |
3419 | EFIAPI\r | |
3420 | RShiftU64 (\r | |
3421 | IN UINT64 Operand,\r | |
3422 | IN UINTN Count\r | |
3423 | );\r | |
3424 | \r | |
3425 | \r | |
3426 | /**\r | |
3427 | Shifts a 64-bit integer right between 0 and 63 bits. The high bits are filled\r | |
3428 | with original integer's bit 63. The shifted value is returned.\r | |
3429 | \r | |
3430 | This function shifts the 64-bit value Operand to the right by Count bits. The\r | |
3431 | high Count bits are set to bit 63 of Operand. The shifted value is returned.\r | |
3432 | \r | |
3433 | If Count is greater than 63, then ASSERT().\r | |
3434 | \r | |
3435 | @param Operand The 64-bit operand to shift right.\r | |
3436 | @param Count The number of bits to shift right.\r | |
3437 | \r | |
3438 | @return Operand >> Count\r | |
3439 | \r | |
3440 | **/\r | |
3441 | UINT64\r | |
3442 | EFIAPI\r | |
3443 | ARShiftU64 (\r | |
3444 | IN UINT64 Operand,\r | |
3445 | IN UINTN Count\r | |
3446 | );\r | |
3447 | \r | |
3448 | \r | |
3449 | /**\r | |
3450 | Rotates a 32-bit integer left between 0 and 31 bits, filling the low bits\r | |
3451 | with the high bits that were rotated.\r | |
3452 | \r | |
3453 | This function rotates the 32-bit value Operand to the left by Count bits. The\r | |
3454 | low Count bits are fill with the high Count bits of Operand. The rotated\r | |
3455 | value is returned.\r | |
3456 | \r | |
3457 | If Count is greater than 31, then ASSERT().\r | |
3458 | \r | |
3459 | @param Operand The 32-bit operand to rotate left.\r | |
3460 | @param Count The number of bits to rotate left.\r | |
3461 | \r | |
17f695ed | 3462 | @return Operand << Count\r |
ac644614 | 3463 | \r |
3464 | **/\r | |
3465 | UINT32\r | |
3466 | EFIAPI\r | |
3467 | LRotU32 (\r | |
3468 | IN UINT32 Operand,\r | |
3469 | IN UINTN Count\r | |
3470 | );\r | |
3471 | \r | |
3472 | \r | |
3473 | /**\r | |
3474 | Rotates a 32-bit integer right between 0 and 31 bits, filling the high bits\r | |
3475 | with the low bits that were rotated.\r | |
3476 | \r | |
3477 | This function rotates the 32-bit value Operand to the right by Count bits.\r | |
3478 | The high Count bits are fill with the low Count bits of Operand. The rotated\r | |
3479 | value is returned.\r | |
3480 | \r | |
3481 | If Count is greater than 31, then ASSERT().\r | |
3482 | \r | |
3483 | @param Operand The 32-bit operand to rotate right.\r | |
3484 | @param Count The number of bits to rotate right.\r | |
3485 | \r | |
2fe241a2 | 3486 | @return Operand >> Count\r |
ac644614 | 3487 | \r |
3488 | **/\r | |
3489 | UINT32\r | |
3490 | EFIAPI\r | |
3491 | RRotU32 (\r | |
3492 | IN UINT32 Operand,\r | |
3493 | IN UINTN Count\r | |
3494 | );\r | |
3495 | \r | |
3496 | \r | |
3497 | /**\r | |
3498 | Rotates a 64-bit integer left between 0 and 63 bits, filling the low bits\r | |
3499 | with the high bits that were rotated.\r | |
3500 | \r | |
3501 | This function rotates the 64-bit value Operand to the left by Count bits. The\r | |
3502 | low Count bits are fill with the high Count bits of Operand. The rotated\r | |
3503 | value is returned.\r | |
3504 | \r | |
3505 | If Count is greater than 63, then ASSERT().\r | |
3506 | \r | |
3507 | @param Operand The 64-bit operand to rotate left.\r | |
3508 | @param Count The number of bits to rotate left.\r | |
3509 | \r | |
17f695ed | 3510 | @return Operand << Count\r |
ac644614 | 3511 | \r |
3512 | **/\r | |
3513 | UINT64\r | |
3514 | EFIAPI\r | |
3515 | LRotU64 (\r | |
3516 | IN UINT64 Operand,\r | |
3517 | IN UINTN Count\r | |
3518 | );\r | |
3519 | \r | |
3520 | \r | |
3521 | /**\r | |
3522 | Rotates a 64-bit integer right between 0 and 63 bits, filling the high bits\r | |
3523 | with the high low bits that were rotated.\r | |
3524 | \r | |
3525 | This function rotates the 64-bit value Operand to the right by Count bits.\r | |
3526 | The high Count bits are fill with the low Count bits of Operand. The rotated\r | |
3527 | value is returned.\r | |
3528 | \r | |
3529 | If Count is greater than 63, then ASSERT().\r | |
3530 | \r | |
3531 | @param Operand The 64-bit operand to rotate right.\r | |
3532 | @param Count The number of bits to rotate right.\r | |
3533 | \r | |
17f695ed | 3534 | @return Operand >> Count\r |
ac644614 | 3535 | \r |
3536 | **/\r | |
3537 | UINT64\r | |
3538 | EFIAPI\r | |
3539 | RRotU64 (\r | |
3540 | IN UINT64 Operand,\r | |
3541 | IN UINTN Count\r | |
3542 | );\r | |
3543 | \r | |
3544 | \r | |
3545 | /**\r | |
3546 | Returns the bit position of the lowest bit set in a 32-bit value.\r | |
3547 | \r | |
3548 | This function computes the bit position of the lowest bit set in the 32-bit\r | |
3549 | value specified by Operand. If Operand is zero, then -1 is returned.\r | |
3550 | Otherwise, a value between 0 and 31 is returned.\r | |
3551 | \r | |
3552 | @param Operand The 32-bit operand to evaluate.\r | |
3553 | \r | |
9aa049d9 | 3554 | @retval 0..31 The lowest bit set in Operand was found.\r |
17f695ed | 3555 | @retval -1 Operand is zero.\r |
ac644614 | 3556 | \r |
3557 | **/\r | |
3558 | INTN\r | |
3559 | EFIAPI\r | |
3560 | LowBitSet32 (\r | |
3561 | IN UINT32 Operand\r | |
3562 | );\r | |
3563 | \r | |
3564 | \r | |
3565 | /**\r | |
3566 | Returns the bit position of the lowest bit set in a 64-bit value.\r | |
3567 | \r | |
3568 | This function computes the bit position of the lowest bit set in the 64-bit\r | |
3569 | value specified by Operand. If Operand is zero, then -1 is returned.\r | |
3570 | Otherwise, a value between 0 and 63 is returned.\r | |
3571 | \r | |
3572 | @param Operand The 64-bit operand to evaluate.\r | |
3573 | \r | |
9aa049d9 | 3574 | @retval 0..63 The lowest bit set in Operand was found.\r |
17f695ed | 3575 | @retval -1 Operand is zero.\r |
3576 | \r | |
ac644614 | 3577 | \r |
3578 | **/\r | |
3579 | INTN\r | |
3580 | EFIAPI\r | |
3581 | LowBitSet64 (\r | |
3582 | IN UINT64 Operand\r | |
3583 | );\r | |
3584 | \r | |
3585 | \r | |
3586 | /**\r | |
3587 | Returns the bit position of the highest bit set in a 32-bit value. Equivalent\r | |
3588 | to log2(x).\r | |
3589 | \r | |
3590 | This function computes the bit position of the highest bit set in the 32-bit\r | |
3591 | value specified by Operand. If Operand is zero, then -1 is returned.\r | |
3592 | Otherwise, a value between 0 and 31 is returned.\r | |
3593 | \r | |
3594 | @param Operand The 32-bit operand to evaluate.\r | |
3595 | \r | |
9aa049d9 | 3596 | @retval 0..31 Position of the highest bit set in Operand if found.\r |
17f695ed | 3597 | @retval -1 Operand is zero.\r |
ac644614 | 3598 | \r |
3599 | **/\r | |
3600 | INTN\r | |
3601 | EFIAPI\r | |
3602 | HighBitSet32 (\r | |
3603 | IN UINT32 Operand\r | |
3604 | );\r | |
3605 | \r | |
3606 | \r | |
3607 | /**\r | |
3608 | Returns the bit position of the highest bit set in a 64-bit value. Equivalent\r | |
3609 | to log2(x).\r | |
3610 | \r | |
3611 | This function computes the bit position of the highest bit set in the 64-bit\r | |
3612 | value specified by Operand. If Operand is zero, then -1 is returned.\r | |
3613 | Otherwise, a value between 0 and 63 is returned.\r | |
3614 | \r | |
3615 | @param Operand The 64-bit operand to evaluate.\r | |
3616 | \r | |
9aa049d9 | 3617 | @retval 0..63 Position of the highest bit set in Operand if found.\r |
17f695ed | 3618 | @retval -1 Operand is zero.\r |
ac644614 | 3619 | \r |
3620 | **/\r | |
3621 | INTN\r | |
3622 | EFIAPI\r | |
3623 | HighBitSet64 (\r | |
3624 | IN UINT64 Operand\r | |
3625 | );\r | |
3626 | \r | |
3627 | \r | |
3628 | /**\r | |
3629 | Returns the value of the highest bit set in a 32-bit value. Equivalent to\r | |
17f695ed | 3630 | 1 << log2(x).\r |
ac644614 | 3631 | \r |
3632 | This function computes the value of the highest bit set in the 32-bit value\r | |
3633 | specified by Operand. If Operand is zero, then zero is returned.\r | |
3634 | \r | |
3635 | @param Operand The 32-bit operand to evaluate.\r | |
3636 | \r | |
3637 | @return 1 << HighBitSet32(Operand)\r | |
3638 | @retval 0 Operand is zero.\r | |
3639 | \r | |
3640 | **/\r | |
3641 | UINT32\r | |
3642 | EFIAPI\r | |
3643 | GetPowerOfTwo32 (\r | |
3644 | IN UINT32 Operand\r | |
3645 | );\r | |
3646 | \r | |
3647 | \r | |
3648 | /**\r | |
3649 | Returns the value of the highest bit set in a 64-bit value. Equivalent to\r | |
17f695ed | 3650 | 1 << log2(x).\r |
ac644614 | 3651 | \r |
3652 | This function computes the value of the highest bit set in the 64-bit value\r | |
3653 | specified by Operand. If Operand is zero, then zero is returned.\r | |
3654 | \r | |
3655 | @param Operand The 64-bit operand to evaluate.\r | |
3656 | \r | |
3657 | @return 1 << HighBitSet64(Operand)\r | |
3658 | @retval 0 Operand is zero.\r | |
3659 | \r | |
3660 | **/\r | |
3661 | UINT64\r | |
3662 | EFIAPI\r | |
3663 | GetPowerOfTwo64 (\r | |
3664 | IN UINT64 Operand\r | |
3665 | );\r | |
3666 | \r | |
3667 | \r | |
3668 | /**\r | |
af2dc6a7 | 3669 | Switches the endianness of a 16-bit integer.\r |
ac644614 | 3670 | \r |
3671 | This function swaps the bytes in a 16-bit unsigned value to switch the value\r | |
3672 | from little endian to big endian or vice versa. The byte swapped value is\r | |
3673 | returned.\r | |
3674 | \r | |
2a53dabf | 3675 | @param Value A 16-bit unsigned value.\r |
ac644614 | 3676 | \r |
efb23117 | 3677 | @return The byte swapped Value.\r |
ac644614 | 3678 | \r |
3679 | **/\r | |
3680 | UINT16\r | |
3681 | EFIAPI\r | |
3682 | SwapBytes16 (\r | |
3683 | IN UINT16 Value\r | |
3684 | );\r | |
3685 | \r | |
3686 | \r | |
3687 | /**\r | |
af2dc6a7 | 3688 | Switches the endianness of a 32-bit integer.\r |
ac644614 | 3689 | \r |
3690 | This function swaps the bytes in a 32-bit unsigned value to switch the value\r | |
3691 | from little endian to big endian or vice versa. The byte swapped value is\r | |
3692 | returned.\r | |
3693 | \r | |
2a53dabf | 3694 | @param Value A 32-bit unsigned value.\r |
ac644614 | 3695 | \r |
efb23117 | 3696 | @return The byte swapped Value.\r |
ac644614 | 3697 | \r |
3698 | **/\r | |
3699 | UINT32\r | |
3700 | EFIAPI\r | |
3701 | SwapBytes32 (\r | |
3702 | IN UINT32 Value\r | |
3703 | );\r | |
3704 | \r | |
3705 | \r | |
3706 | /**\r | |
af2dc6a7 | 3707 | Switches the endianness of a 64-bit integer.\r |
ac644614 | 3708 | \r |
3709 | This function swaps the bytes in a 64-bit unsigned value to switch the value\r | |
3710 | from little endian to big endian or vice versa. The byte swapped value is\r | |
3711 | returned.\r | |
3712 | \r | |
2a53dabf | 3713 | @param Value A 64-bit unsigned value.\r |
ac644614 | 3714 | \r |
efb23117 | 3715 | @return The byte swapped Value.\r |
ac644614 | 3716 | \r |
3717 | **/\r | |
3718 | UINT64\r | |
3719 | EFIAPI\r | |
3720 | SwapBytes64 (\r | |
3721 | IN UINT64 Value\r | |
3722 | );\r | |
3723 | \r | |
3724 | \r | |
3725 | /**\r | |
3726 | Multiples a 64-bit unsigned integer by a 32-bit unsigned integer and\r | |
3727 | generates a 64-bit unsigned result.\r | |
3728 | \r | |
3729 | This function multiples the 64-bit unsigned value Multiplicand by the 32-bit\r | |
3730 | unsigned value Multiplier and generates a 64-bit unsigned result. This 64-\r | |
3731 | bit unsigned result is returned.\r | |
3732 | \r | |
ac644614 | 3733 | @param Multiplicand A 64-bit unsigned value.\r |
3734 | @param Multiplier A 32-bit unsigned value.\r | |
3735 | \r | |
3736 | @return Multiplicand * Multiplier\r | |
3737 | \r | |
3738 | **/\r | |
3739 | UINT64\r | |
3740 | EFIAPI\r | |
3741 | MultU64x32 (\r | |
3742 | IN UINT64 Multiplicand,\r | |
3743 | IN UINT32 Multiplier\r | |
3744 | );\r | |
3745 | \r | |
3746 | \r | |
3747 | /**\r | |
3748 | Multiples a 64-bit unsigned integer by a 64-bit unsigned integer and\r | |
3749 | generates a 64-bit unsigned result.\r | |
3750 | \r | |
3751 | This function multiples the 64-bit unsigned value Multiplicand by the 64-bit\r | |
3752 | unsigned value Multiplier and generates a 64-bit unsigned result. This 64-\r | |
3753 | bit unsigned result is returned.\r | |
3754 | \r | |
ac644614 | 3755 | @param Multiplicand A 64-bit unsigned value.\r |
3756 | @param Multiplier A 64-bit unsigned value.\r | |
3757 | \r | |
af2dc6a7 | 3758 | @return Multiplicand * Multiplier.\r |
ac644614 | 3759 | \r |
3760 | **/\r | |
3761 | UINT64\r | |
3762 | EFIAPI\r | |
3763 | MultU64x64 (\r | |
3764 | IN UINT64 Multiplicand,\r | |
3765 | IN UINT64 Multiplier\r | |
3766 | );\r | |
3767 | \r | |
3768 | \r | |
3769 | /**\r | |
3770 | Multiples a 64-bit signed integer by a 64-bit signed integer and generates a\r | |
3771 | 64-bit signed result.\r | |
3772 | \r | |
3773 | This function multiples the 64-bit signed value Multiplicand by the 64-bit\r | |
3774 | signed value Multiplier and generates a 64-bit signed result. This 64-bit\r | |
3775 | signed result is returned.\r | |
3776 | \r | |
ac644614 | 3777 | @param Multiplicand A 64-bit signed value.\r |
3778 | @param Multiplier A 64-bit signed value.\r | |
3779 | \r | |
3780 | @return Multiplicand * Multiplier\r | |
3781 | \r | |
3782 | **/\r | |
3783 | INT64\r | |
3784 | EFIAPI\r | |
3785 | MultS64x64 (\r | |
3786 | IN INT64 Multiplicand,\r | |
3787 | IN INT64 Multiplier\r | |
3788 | );\r | |
3789 | \r | |
3790 | \r | |
3791 | /**\r | |
3792 | Divides a 64-bit unsigned integer by a 32-bit unsigned integer and generates\r | |
3793 | a 64-bit unsigned result.\r | |
3794 | \r | |
3795 | This function divides the 64-bit unsigned value Dividend by the 32-bit\r | |
3796 | unsigned value Divisor and generates a 64-bit unsigned quotient. This\r | |
3797 | function returns the 64-bit unsigned quotient.\r | |
3798 | \r | |
3799 | If Divisor is 0, then ASSERT().\r | |
3800 | \r | |
3801 | @param Dividend A 64-bit unsigned value.\r | |
3802 | @param Divisor A 32-bit unsigned value.\r | |
3803 | \r | |
af2dc6a7 | 3804 | @return Dividend / Divisor.\r |
ac644614 | 3805 | \r |
3806 | **/\r | |
3807 | UINT64\r | |
3808 | EFIAPI\r | |
3809 | DivU64x32 (\r | |
3810 | IN UINT64 Dividend,\r | |
3811 | IN UINT32 Divisor\r | |
3812 | );\r | |
3813 | \r | |
3814 | \r | |
3815 | /**\r | |
3816 | Divides a 64-bit unsigned integer by a 32-bit unsigned integer and generates\r | |
3817 | a 32-bit unsigned remainder.\r | |
3818 | \r | |
3819 | This function divides the 64-bit unsigned value Dividend by the 32-bit\r | |
3820 | unsigned value Divisor and generates a 32-bit remainder. This function\r | |
3821 | returns the 32-bit unsigned remainder.\r | |
3822 | \r | |
3823 | If Divisor is 0, then ASSERT().\r | |
3824 | \r | |
3825 | @param Dividend A 64-bit unsigned value.\r | |
3826 | @param Divisor A 32-bit unsigned value.\r | |
3827 | \r | |
af2dc6a7 | 3828 | @return Dividend % Divisor.\r |
ac644614 | 3829 | \r |
3830 | **/\r | |
3831 | UINT32\r | |
3832 | EFIAPI\r | |
3833 | ModU64x32 (\r | |
3834 | IN UINT64 Dividend,\r | |
3835 | IN UINT32 Divisor\r | |
3836 | );\r | |
3837 | \r | |
3838 | \r | |
3839 | /**\r | |
3840 | Divides a 64-bit unsigned integer by a 32-bit unsigned integer and generates\r | |
3841 | a 64-bit unsigned result and an optional 32-bit unsigned remainder.\r | |
3842 | \r | |
3843 | This function divides the 64-bit unsigned value Dividend by the 32-bit\r | |
3844 | unsigned value Divisor and generates a 64-bit unsigned quotient. If Remainder\r | |
3845 | is not NULL, then the 32-bit unsigned remainder is returned in Remainder.\r | |
3846 | This function returns the 64-bit unsigned quotient.\r | |
3847 | \r | |
3848 | If Divisor is 0, then ASSERT().\r | |
3849 | \r | |
3850 | @param Dividend A 64-bit unsigned value.\r | |
3851 | @param Divisor A 32-bit unsigned value.\r | |
3852 | @param Remainder A pointer to a 32-bit unsigned value. This parameter is\r | |
3853 | optional and may be NULL.\r | |
3854 | \r | |
af2dc6a7 | 3855 | @return Dividend / Divisor.\r |
ac644614 | 3856 | \r |
3857 | **/\r | |
3858 | UINT64\r | |
3859 | EFIAPI\r | |
3860 | DivU64x32Remainder (\r | |
3861 | IN UINT64 Dividend,\r | |
3862 | IN UINT32 Divisor,\r | |
3863 | OUT UINT32 *Remainder OPTIONAL\r | |
3864 | );\r | |
3865 | \r | |
3866 | \r | |
3867 | /**\r | |
3868 | Divides a 64-bit unsigned integer by a 64-bit unsigned integer and generates\r | |
3869 | a 64-bit unsigned result and an optional 64-bit unsigned remainder.\r | |
3870 | \r | |
3871 | This function divides the 64-bit unsigned value Dividend by the 64-bit\r | |
3872 | unsigned value Divisor and generates a 64-bit unsigned quotient. If Remainder\r | |
3873 | is not NULL, then the 64-bit unsigned remainder is returned in Remainder.\r | |
3874 | This function returns the 64-bit unsigned quotient.\r | |
3875 | \r | |
3876 | If Divisor is 0, then ASSERT().\r | |
3877 | \r | |
3878 | @param Dividend A 64-bit unsigned value.\r | |
3879 | @param Divisor A 64-bit unsigned value.\r | |
3880 | @param Remainder A pointer to a 64-bit unsigned value. This parameter is\r | |
3881 | optional and may be NULL.\r | |
3882 | \r | |
af2dc6a7 | 3883 | @return Dividend / Divisor.\r |
ac644614 | 3884 | \r |
3885 | **/\r | |
3886 | UINT64\r | |
3887 | EFIAPI\r | |
3888 | DivU64x64Remainder (\r | |
3889 | IN UINT64 Dividend,\r | |
3890 | IN UINT64 Divisor,\r | |
3891 | OUT UINT64 *Remainder OPTIONAL\r | |
3892 | );\r | |
3893 | \r | |
3894 | \r | |
3895 | /**\r | |
3896 | Divides a 64-bit signed integer by a 64-bit signed integer and generates a\r | |
3897 | 64-bit signed result and a optional 64-bit signed remainder.\r | |
3898 | \r | |
3899 | This function divides the 64-bit signed value Dividend by the 64-bit signed\r | |
3900 | value Divisor and generates a 64-bit signed quotient. If Remainder is not\r | |
3901 | NULL, then the 64-bit signed remainder is returned in Remainder. This\r | |
3902 | function returns the 64-bit signed quotient.\r | |
3903 | \r | |
9aa049d9 | 3904 | It is the caller's responsibility to not call this function with a Divisor of 0.\r |
9095d37b | 3905 | If Divisor is 0, then the quotient and remainder should be assumed to be\r |
17f695ed | 3906 | the largest negative integer.\r |
3907 | \r | |
ac644614 | 3908 | If Divisor is 0, then ASSERT().\r |
3909 | \r | |
3910 | @param Dividend A 64-bit signed value.\r | |
3911 | @param Divisor A 64-bit signed value.\r | |
3912 | @param Remainder A pointer to a 64-bit signed value. This parameter is\r | |
3913 | optional and may be NULL.\r | |
3914 | \r | |
af2dc6a7 | 3915 | @return Dividend / Divisor.\r |
ac644614 | 3916 | \r |
3917 | **/\r | |
3918 | INT64\r | |
3919 | EFIAPI\r | |
3920 | DivS64x64Remainder (\r | |
3921 | IN INT64 Dividend,\r | |
3922 | IN INT64 Divisor,\r | |
3923 | OUT INT64 *Remainder OPTIONAL\r | |
3924 | );\r | |
3925 | \r | |
3926 | \r | |
3927 | /**\r | |
3928 | Reads a 16-bit value from memory that may be unaligned.\r | |
3929 | \r | |
3930 | This function returns the 16-bit value pointed to by Buffer. The function\r | |
3931 | guarantees that the read operation does not produce an alignment fault.\r | |
3932 | \r | |
3933 | If the Buffer is NULL, then ASSERT().\r | |
3934 | \r | |
af2dc6a7 | 3935 | @param Buffer The pointer to a 16-bit value that may be unaligned.\r |
ac644614 | 3936 | \r |
5385a579 | 3937 | @return The 16-bit value read from Buffer.\r |
ac644614 | 3938 | \r |
3939 | **/\r | |
3940 | UINT16\r | |
3941 | EFIAPI\r | |
3942 | ReadUnaligned16 (\r | |
5385a579 | 3943 | IN CONST UINT16 *Buffer\r |
ac644614 | 3944 | );\r |
3945 | \r | |
3946 | \r | |
3947 | /**\r | |
3948 | Writes a 16-bit value to memory that may be unaligned.\r | |
3949 | \r | |
3950 | This function writes the 16-bit value specified by Value to Buffer. Value is\r | |
3951 | returned. The function guarantees that the write operation does not produce\r | |
3952 | an alignment fault.\r | |
3953 | \r | |
3954 | If the Buffer is NULL, then ASSERT().\r | |
3955 | \r | |
af2dc6a7 | 3956 | @param Buffer The pointer to a 16-bit value that may be unaligned.\r |
ac644614 | 3957 | @param Value 16-bit value to write to Buffer.\r |
3958 | \r | |
5385a579 | 3959 | @return The 16-bit value to write to Buffer.\r |
ac644614 | 3960 | \r |
3961 | **/\r | |
3962 | UINT16\r | |
3963 | EFIAPI\r | |
3964 | WriteUnaligned16 (\r | |
5385a579 | 3965 | OUT UINT16 *Buffer,\r |
3966 | IN UINT16 Value\r | |
ac644614 | 3967 | );\r |
3968 | \r | |
3969 | \r | |
3970 | /**\r | |
3971 | Reads a 24-bit value from memory that may be unaligned.\r | |
3972 | \r | |
3973 | This function returns the 24-bit value pointed to by Buffer. The function\r | |
3974 | guarantees that the read operation does not produce an alignment fault.\r | |
3975 | \r | |
3976 | If the Buffer is NULL, then ASSERT().\r | |
3977 | \r | |
af2dc6a7 | 3978 | @param Buffer The pointer to a 24-bit value that may be unaligned.\r |
ac644614 | 3979 | \r |
5385a579 | 3980 | @return The 24-bit value read from Buffer.\r |
ac644614 | 3981 | \r |
3982 | **/\r | |
3983 | UINT32\r | |
3984 | EFIAPI\r | |
3985 | ReadUnaligned24 (\r | |
5385a579 | 3986 | IN CONST UINT32 *Buffer\r |
ac644614 | 3987 | );\r |
3988 | \r | |
3989 | \r | |
3990 | /**\r | |
3991 | Writes a 24-bit value to memory that may be unaligned.\r | |
3992 | \r | |
3993 | This function writes the 24-bit value specified by Value to Buffer. Value is\r | |
3994 | returned. The function guarantees that the write operation does not produce\r | |
3995 | an alignment fault.\r | |
3996 | \r | |
3997 | If the Buffer is NULL, then ASSERT().\r | |
3998 | \r | |
af2dc6a7 | 3999 | @param Buffer The pointer to a 24-bit value that may be unaligned.\r |
ac644614 | 4000 | @param Value 24-bit value to write to Buffer.\r |
4001 | \r | |
5385a579 | 4002 | @return The 24-bit value to write to Buffer.\r |
ac644614 | 4003 | \r |
4004 | **/\r | |
4005 | UINT32\r | |
4006 | EFIAPI\r | |
4007 | WriteUnaligned24 (\r | |
5385a579 | 4008 | OUT UINT32 *Buffer,\r |
4009 | IN UINT32 Value\r | |
ac644614 | 4010 | );\r |
4011 | \r | |
4012 | \r | |
4013 | /**\r | |
4014 | Reads a 32-bit value from memory that may be unaligned.\r | |
4015 | \r | |
4016 | This function returns the 32-bit value pointed to by Buffer. The function\r | |
4017 | guarantees that the read operation does not produce an alignment fault.\r | |
4018 | \r | |
4019 | If the Buffer is NULL, then ASSERT().\r | |
4020 | \r | |
af2dc6a7 | 4021 | @param Buffer The pointer to a 32-bit value that may be unaligned.\r |
ac644614 | 4022 | \r |
5385a579 | 4023 | @return The 32-bit value read from Buffer.\r |
ac644614 | 4024 | \r |
4025 | **/\r | |
4026 | UINT32\r | |
4027 | EFIAPI\r | |
4028 | ReadUnaligned32 (\r | |
5385a579 | 4029 | IN CONST UINT32 *Buffer\r |
ac644614 | 4030 | );\r |
4031 | \r | |
4032 | \r | |
4033 | /**\r | |
4034 | Writes a 32-bit value to memory that may be unaligned.\r | |
4035 | \r | |
4036 | This function writes the 32-bit value specified by Value to Buffer. Value is\r | |
4037 | returned. The function guarantees that the write operation does not produce\r | |
4038 | an alignment fault.\r | |
4039 | \r | |
4040 | If the Buffer is NULL, then ASSERT().\r | |
4041 | \r | |
af2dc6a7 | 4042 | @param Buffer The pointer to a 32-bit value that may be unaligned.\r |
ac644614 | 4043 | @param Value 32-bit value to write to Buffer.\r |
4044 | \r | |
5385a579 | 4045 | @return The 32-bit value to write to Buffer.\r |
ac644614 | 4046 | \r |
4047 | **/\r | |
4048 | UINT32\r | |
4049 | EFIAPI\r | |
4050 | WriteUnaligned32 (\r | |
5385a579 | 4051 | OUT UINT32 *Buffer,\r |
4052 | IN UINT32 Value\r | |
ac644614 | 4053 | );\r |
4054 | \r | |
4055 | \r | |
4056 | /**\r | |
4057 | Reads a 64-bit value from memory that may be unaligned.\r | |
4058 | \r | |
4059 | This function returns the 64-bit value pointed to by Buffer. The function\r | |
4060 | guarantees that the read operation does not produce an alignment fault.\r | |
4061 | \r | |
4062 | If the Buffer is NULL, then ASSERT().\r | |
4063 | \r | |
af2dc6a7 | 4064 | @param Buffer The pointer to a 64-bit value that may be unaligned.\r |
ac644614 | 4065 | \r |
5385a579 | 4066 | @return The 64-bit value read from Buffer.\r |
ac644614 | 4067 | \r |
4068 | **/\r | |
4069 | UINT64\r | |
4070 | EFIAPI\r | |
4071 | ReadUnaligned64 (\r | |
5385a579 | 4072 | IN CONST UINT64 *Buffer\r |
ac644614 | 4073 | );\r |
4074 | \r | |
4075 | \r | |
4076 | /**\r | |
4077 | Writes a 64-bit value to memory that may be unaligned.\r | |
4078 | \r | |
4079 | This function writes the 64-bit value specified by Value to Buffer. Value is\r | |
4080 | returned. The function guarantees that the write operation does not produce\r | |
4081 | an alignment fault.\r | |
4082 | \r | |
4083 | If the Buffer is NULL, then ASSERT().\r | |
4084 | \r | |
af2dc6a7 | 4085 | @param Buffer The pointer to a 64-bit value that may be unaligned.\r |
ac644614 | 4086 | @param Value 64-bit value to write to Buffer.\r |
4087 | \r | |
5385a579 | 4088 | @return The 64-bit value to write to Buffer.\r |
ac644614 | 4089 | \r |
4090 | **/\r | |
4091 | UINT64\r | |
4092 | EFIAPI\r | |
4093 | WriteUnaligned64 (\r | |
5385a579 | 4094 | OUT UINT64 *Buffer,\r |
4095 | IN UINT64 Value\r | |
ac644614 | 4096 | );\r |
4097 | \r | |
4098 | \r | |
4099 | //\r | |
4100 | // Bit Field Functions\r | |
4101 | //\r | |
4102 | \r | |
4103 | /**\r | |
4104 | Returns a bit field from an 8-bit value.\r | |
4105 | \r | |
4106 | Returns the bitfield specified by the StartBit and the EndBit from Operand.\r | |
4107 | \r | |
4108 | If 8-bit operations are not supported, then ASSERT().\r | |
4109 | If StartBit is greater than 7, then ASSERT().\r | |
4110 | If EndBit is greater than 7, then ASSERT().\r | |
4111 | If EndBit is less than StartBit, then ASSERT().\r | |
4112 | \r | |
4113 | @param Operand Operand on which to perform the bitfield operation.\r | |
4114 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
4115 | Range 0..7.\r | |
4116 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
4117 | Range 0..7.\r | |
4118 | \r | |
4119 | @return The bit field read.\r | |
4120 | \r | |
4121 | **/\r | |
4122 | UINT8\r | |
4123 | EFIAPI\r | |
4124 | BitFieldRead8 (\r | |
4125 | IN UINT8 Operand,\r | |
4126 | IN UINTN StartBit,\r | |
4127 | IN UINTN EndBit\r | |
4128 | );\r | |
4129 | \r | |
4130 | \r | |
4131 | /**\r | |
4132 | Writes a bit field to an 8-bit value, and returns the result.\r | |
4133 | \r | |
4134 | Writes Value to the bit field specified by the StartBit and the EndBit in\r | |
4135 | Operand. All other bits in Operand are preserved. The new 8-bit value is\r | |
4136 | returned.\r | |
4137 | \r | |
4138 | If 8-bit operations are not supported, then ASSERT().\r | |
4139 | If StartBit is greater than 7, then ASSERT().\r | |
4140 | If EndBit is greater than 7, then ASSERT().\r | |
4141 | If EndBit is less than StartBit, then ASSERT().\r | |
94952554 | 4142 | If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
ac644614 | 4143 | \r |
4144 | @param Operand Operand on which to perform the bitfield operation.\r | |
4145 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
4146 | Range 0..7.\r | |
4147 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
4148 | Range 0..7.\r | |
4149 | @param Value New value of the bit field.\r | |
4150 | \r | |
4151 | @return The new 8-bit value.\r | |
4152 | \r | |
4153 | **/\r | |
4154 | UINT8\r | |
4155 | EFIAPI\r | |
4156 | BitFieldWrite8 (\r | |
4157 | IN UINT8 Operand,\r | |
4158 | IN UINTN StartBit,\r | |
4159 | IN UINTN EndBit,\r | |
4160 | IN UINT8 Value\r | |
4161 | );\r | |
4162 | \r | |
4163 | \r | |
4164 | /**\r | |
4165 | Reads a bit field from an 8-bit value, performs a bitwise OR, and returns the\r | |
4166 | result.\r | |
4167 | \r | |
62991af2 | 4168 | Performs a bitwise OR between the bit field specified by StartBit\r |
ac644614 | 4169 | and EndBit in Operand and the value specified by OrData. All other bits in\r |
4170 | Operand are preserved. The new 8-bit value is returned.\r | |
4171 | \r | |
4172 | If 8-bit operations are not supported, then ASSERT().\r | |
4173 | If StartBit is greater than 7, then ASSERT().\r | |
4174 | If EndBit is greater than 7, then ASSERT().\r | |
4175 | If EndBit is less than StartBit, then ASSERT().\r | |
94952554 | 4176 | If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
ac644614 | 4177 | \r |
4178 | @param Operand Operand on which to perform the bitfield operation.\r | |
4179 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
4180 | Range 0..7.\r | |
4181 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
4182 | Range 0..7.\r | |
4183 | @param OrData The value to OR with the read value from the value\r | |
4184 | \r | |
4185 | @return The new 8-bit value.\r | |
4186 | \r | |
4187 | **/\r | |
4188 | UINT8\r | |
4189 | EFIAPI\r | |
4190 | BitFieldOr8 (\r | |
4191 | IN UINT8 Operand,\r | |
4192 | IN UINTN StartBit,\r | |
4193 | IN UINTN EndBit,\r | |
4194 | IN UINT8 OrData\r | |
4195 | );\r | |
4196 | \r | |
4197 | \r | |
4198 | /**\r | |
4199 | Reads a bit field from an 8-bit value, performs a bitwise AND, and returns\r | |
4200 | the result.\r | |
4201 | \r | |
4202 | Performs a bitwise AND between the bit field specified by StartBit and EndBit\r | |
4203 | in Operand and the value specified by AndData. All other bits in Operand are\r | |
4204 | preserved. The new 8-bit value is returned.\r | |
4205 | \r | |
4206 | If 8-bit operations are not supported, then ASSERT().\r | |
4207 | If StartBit is greater than 7, then ASSERT().\r | |
4208 | If EndBit is greater than 7, then ASSERT().\r | |
4209 | If EndBit is less than StartBit, then ASSERT().\r | |
94952554 | 4210 | If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
ac644614 | 4211 | \r |
4212 | @param Operand Operand on which to perform the bitfield operation.\r | |
4213 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
4214 | Range 0..7.\r | |
4215 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
4216 | Range 0..7.\r | |
4217 | @param AndData The value to AND with the read value from the value.\r | |
4218 | \r | |
4219 | @return The new 8-bit value.\r | |
4220 | \r | |
4221 | **/\r | |
4222 | UINT8\r | |
4223 | EFIAPI\r | |
4224 | BitFieldAnd8 (\r | |
4225 | IN UINT8 Operand,\r | |
4226 | IN UINTN StartBit,\r | |
4227 | IN UINTN EndBit,\r | |
4228 | IN UINT8 AndData\r | |
4229 | );\r | |
4230 | \r | |
4231 | \r | |
4232 | /**\r | |
4233 | Reads a bit field from an 8-bit value, performs a bitwise AND followed by a\r | |
4234 | bitwise OR, and returns the result.\r | |
4235 | \r | |
4236 | Performs a bitwise AND between the bit field specified by StartBit and EndBit\r | |
9095d37b | 4237 | in Operand and the value specified by AndData, followed by a bitwise\r |
62991af2 | 4238 | OR with value specified by OrData. All other bits in Operand are\r |
ac644614 | 4239 | preserved. The new 8-bit value is returned.\r |
4240 | \r | |
4241 | If 8-bit operations are not supported, then ASSERT().\r | |
4242 | If StartBit is greater than 7, then ASSERT().\r | |
4243 | If EndBit is greater than 7, then ASSERT().\r | |
4244 | If EndBit is less than StartBit, then ASSERT().\r | |
94952554 LG |
4245 | If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
4246 | If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r | |
ac644614 | 4247 | \r |
4248 | @param Operand Operand on which to perform the bitfield operation.\r | |
4249 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
4250 | Range 0..7.\r | |
4251 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
4252 | Range 0..7.\r | |
4253 | @param AndData The value to AND with the read value from the value.\r | |
4254 | @param OrData The value to OR with the result of the AND operation.\r | |
4255 | \r | |
4256 | @return The new 8-bit value.\r | |
4257 | \r | |
4258 | **/\r | |
4259 | UINT8\r | |
4260 | EFIAPI\r | |
4261 | BitFieldAndThenOr8 (\r | |
4262 | IN UINT8 Operand,\r | |
4263 | IN UINTN StartBit,\r | |
4264 | IN UINTN EndBit,\r | |
4265 | IN UINT8 AndData,\r | |
4266 | IN UINT8 OrData\r | |
4267 | );\r | |
4268 | \r | |
4269 | \r | |
4270 | /**\r | |
4271 | Returns a bit field from a 16-bit value.\r | |
4272 | \r | |
4273 | Returns the bitfield specified by the StartBit and the EndBit from Operand.\r | |
4274 | \r | |
4275 | If 16-bit operations are not supported, then ASSERT().\r | |
4276 | If StartBit is greater than 15, then ASSERT().\r | |
4277 | If EndBit is greater than 15, then ASSERT().\r | |
4278 | If EndBit is less than StartBit, then ASSERT().\r | |
4279 | \r | |
4280 | @param Operand Operand on which to perform the bitfield operation.\r | |
4281 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
4282 | Range 0..15.\r | |
4283 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
4284 | Range 0..15.\r | |
4285 | \r | |
4286 | @return The bit field read.\r | |
4287 | \r | |
4288 | **/\r | |
4289 | UINT16\r | |
4290 | EFIAPI\r | |
4291 | BitFieldRead16 (\r | |
4292 | IN UINT16 Operand,\r | |
4293 | IN UINTN StartBit,\r | |
4294 | IN UINTN EndBit\r | |
4295 | );\r | |
4296 | \r | |
4297 | \r | |
4298 | /**\r | |
4299 | Writes a bit field to a 16-bit value, and returns the result.\r | |
4300 | \r | |
4301 | Writes Value to the bit field specified by the StartBit and the EndBit in\r | |
4302 | Operand. All other bits in Operand are preserved. The new 16-bit value is\r | |
4303 | returned.\r | |
4304 | \r | |
4305 | If 16-bit operations are not supported, then ASSERT().\r | |
4306 | If StartBit is greater than 15, then ASSERT().\r | |
4307 | If EndBit is greater than 15, then ASSERT().\r | |
4308 | If EndBit is less than StartBit, then ASSERT().\r | |
94952554 | 4309 | If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
ac644614 | 4310 | \r |
4311 | @param Operand Operand on which to perform the bitfield operation.\r | |
4312 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
4313 | Range 0..15.\r | |
4314 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
4315 | Range 0..15.\r | |
4316 | @param Value New value of the bit field.\r | |
4317 | \r | |
4318 | @return The new 16-bit value.\r | |
4319 | \r | |
4320 | **/\r | |
4321 | UINT16\r | |
4322 | EFIAPI\r | |
4323 | BitFieldWrite16 (\r | |
4324 | IN UINT16 Operand,\r | |
4325 | IN UINTN StartBit,\r | |
4326 | IN UINTN EndBit,\r | |
4327 | IN UINT16 Value\r | |
4328 | );\r | |
4329 | \r | |
4330 | \r | |
4331 | /**\r | |
4332 | Reads a bit field from a 16-bit value, performs a bitwise OR, and returns the\r | |
4333 | result.\r | |
4334 | \r | |
62991af2 | 4335 | Performs a bitwise OR between the bit field specified by StartBit\r |
ac644614 | 4336 | and EndBit in Operand and the value specified by OrData. All other bits in\r |
4337 | Operand are preserved. The new 16-bit value is returned.\r | |
4338 | \r | |
4339 | If 16-bit operations are not supported, then ASSERT().\r | |
4340 | If StartBit is greater than 15, then ASSERT().\r | |
4341 | If EndBit is greater than 15, then ASSERT().\r | |
4342 | If EndBit is less than StartBit, then ASSERT().\r | |
94952554 | 4343 | If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
ac644614 | 4344 | \r |
4345 | @param Operand Operand on which to perform the bitfield operation.\r | |
4346 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
4347 | Range 0..15.\r | |
4348 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
4349 | Range 0..15.\r | |
4350 | @param OrData The value to OR with the read value from the value\r | |
4351 | \r | |
4352 | @return The new 16-bit value.\r | |
4353 | \r | |
4354 | **/\r | |
4355 | UINT16\r | |
4356 | EFIAPI\r | |
4357 | BitFieldOr16 (\r | |
4358 | IN UINT16 Operand,\r | |
4359 | IN UINTN StartBit,\r | |
4360 | IN UINTN EndBit,\r | |
4361 | IN UINT16 OrData\r | |
4362 | );\r | |
4363 | \r | |
4364 | \r | |
4365 | /**\r | |
4366 | Reads a bit field from a 16-bit value, performs a bitwise AND, and returns\r | |
4367 | the result.\r | |
4368 | \r | |
4369 | Performs a bitwise AND between the bit field specified by StartBit and EndBit\r | |
4370 | in Operand and the value specified by AndData. All other bits in Operand are\r | |
4371 | preserved. The new 16-bit value is returned.\r | |
4372 | \r | |
4373 | If 16-bit operations are not supported, then ASSERT().\r | |
4374 | If StartBit is greater than 15, then ASSERT().\r | |
4375 | If EndBit is greater than 15, then ASSERT().\r | |
4376 | If EndBit is less than StartBit, then ASSERT().\r | |
94952554 | 4377 | If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
ac644614 | 4378 | \r |
4379 | @param Operand Operand on which to perform the bitfield operation.\r | |
4380 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
4381 | Range 0..15.\r | |
4382 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
4383 | Range 0..15.\r | |
4384 | @param AndData The value to AND with the read value from the value\r | |
4385 | \r | |
4386 | @return The new 16-bit value.\r | |
4387 | \r | |
4388 | **/\r | |
4389 | UINT16\r | |
4390 | EFIAPI\r | |
4391 | BitFieldAnd16 (\r | |
4392 | IN UINT16 Operand,\r | |
4393 | IN UINTN StartBit,\r | |
4394 | IN UINTN EndBit,\r | |
4395 | IN UINT16 AndData\r | |
4396 | );\r | |
4397 | \r | |
4398 | \r | |
4399 | /**\r | |
4400 | Reads a bit field from a 16-bit value, performs a bitwise AND followed by a\r | |
4401 | bitwise OR, and returns the result.\r | |
4402 | \r | |
4403 | Performs a bitwise AND between the bit field specified by StartBit and EndBit\r | |
9095d37b | 4404 | in Operand and the value specified by AndData, followed by a bitwise\r |
62991af2 | 4405 | OR with value specified by OrData. All other bits in Operand are\r |
ac644614 | 4406 | preserved. The new 16-bit value is returned.\r |
4407 | \r | |
4408 | If 16-bit operations are not supported, then ASSERT().\r | |
4409 | If StartBit is greater than 15, then ASSERT().\r | |
4410 | If EndBit is greater than 15, then ASSERT().\r | |
4411 | If EndBit is less than StartBit, then ASSERT().\r | |
94952554 LG |
4412 | If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
4413 | If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r | |
ac644614 | 4414 | \r |
4415 | @param Operand Operand on which to perform the bitfield operation.\r | |
4416 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
4417 | Range 0..15.\r | |
4418 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
4419 | Range 0..15.\r | |
4420 | @param AndData The value to AND with the read value from the value.\r | |
4421 | @param OrData The value to OR with the result of the AND operation.\r | |
4422 | \r | |
4423 | @return The new 16-bit value.\r | |
4424 | \r | |
4425 | **/\r | |
4426 | UINT16\r | |
4427 | EFIAPI\r | |
4428 | BitFieldAndThenOr16 (\r | |
4429 | IN UINT16 Operand,\r | |
4430 | IN UINTN StartBit,\r | |
4431 | IN UINTN EndBit,\r | |
4432 | IN UINT16 AndData,\r | |
4433 | IN UINT16 OrData\r | |
4434 | );\r | |
4435 | \r | |
4436 | \r | |
4437 | /**\r | |
4438 | Returns a bit field from a 32-bit value.\r | |
4439 | \r | |
4440 | Returns the bitfield specified by the StartBit and the EndBit from Operand.\r | |
4441 | \r | |
4442 | If 32-bit operations are not supported, then ASSERT().\r | |
4443 | If StartBit is greater than 31, then ASSERT().\r | |
4444 | If EndBit is greater than 31, then ASSERT().\r | |
4445 | If EndBit is less than StartBit, then ASSERT().\r | |
4446 | \r | |
4447 | @param Operand Operand on which to perform the bitfield operation.\r | |
4448 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
4449 | Range 0..31.\r | |
4450 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
4451 | Range 0..31.\r | |
4452 | \r | |
4453 | @return The bit field read.\r | |
4454 | \r | |
4455 | **/\r | |
4456 | UINT32\r | |
4457 | EFIAPI\r | |
4458 | BitFieldRead32 (\r | |
4459 | IN UINT32 Operand,\r | |
4460 | IN UINTN StartBit,\r | |
4461 | IN UINTN EndBit\r | |
4462 | );\r | |
4463 | \r | |
4464 | \r | |
4465 | /**\r | |
4466 | Writes a bit field to a 32-bit value, and returns the result.\r | |
4467 | \r | |
4468 | Writes Value to the bit field specified by the StartBit and the EndBit in\r | |
4469 | Operand. All other bits in Operand are preserved. The new 32-bit value is\r | |
4470 | returned.\r | |
4471 | \r | |
4472 | If 32-bit operations are not supported, then ASSERT().\r | |
4473 | If StartBit is greater than 31, then ASSERT().\r | |
4474 | If EndBit is greater than 31, then ASSERT().\r | |
4475 | If EndBit is less than StartBit, then ASSERT().\r | |
94952554 | 4476 | If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
ac644614 | 4477 | \r |
4478 | @param Operand Operand on which to perform the bitfield operation.\r | |
4479 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
4480 | Range 0..31.\r | |
4481 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
4482 | Range 0..31.\r | |
4483 | @param Value New value of the bit field.\r | |
4484 | \r | |
4485 | @return The new 32-bit value.\r | |
4486 | \r | |
4487 | **/\r | |
4488 | UINT32\r | |
4489 | EFIAPI\r | |
4490 | BitFieldWrite32 (\r | |
4491 | IN UINT32 Operand,\r | |
4492 | IN UINTN StartBit,\r | |
4493 | IN UINTN EndBit,\r | |
4494 | IN UINT32 Value\r | |
4495 | );\r | |
4496 | \r | |
4497 | \r | |
4498 | /**\r | |
4499 | Reads a bit field from a 32-bit value, performs a bitwise OR, and returns the\r | |
4500 | result.\r | |
4501 | \r | |
62991af2 | 4502 | Performs a bitwise OR between the bit field specified by StartBit\r |
ac644614 | 4503 | and EndBit in Operand and the value specified by OrData. All other bits in\r |
4504 | Operand are preserved. The new 32-bit value is returned.\r | |
4505 | \r | |
4506 | If 32-bit operations are not supported, then ASSERT().\r | |
4507 | If StartBit is greater than 31, then ASSERT().\r | |
4508 | If EndBit is greater than 31, then ASSERT().\r | |
4509 | If EndBit is less than StartBit, then ASSERT().\r | |
94952554 | 4510 | If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
ac644614 | 4511 | \r |
4512 | @param Operand Operand on which to perform the bitfield operation.\r | |
4513 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
4514 | Range 0..31.\r | |
4515 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
4516 | Range 0..31.\r | |
af2dc6a7 | 4517 | @param OrData The value to OR with the read value from the value.\r |
ac644614 | 4518 | \r |
4519 | @return The new 32-bit value.\r | |
4520 | \r | |
4521 | **/\r | |
4522 | UINT32\r | |
4523 | EFIAPI\r | |
4524 | BitFieldOr32 (\r | |
4525 | IN UINT32 Operand,\r | |
4526 | IN UINTN StartBit,\r | |
4527 | IN UINTN EndBit,\r | |
4528 | IN UINT32 OrData\r | |
4529 | );\r | |
4530 | \r | |
4531 | \r | |
4532 | /**\r | |
4533 | Reads a bit field from a 32-bit value, performs a bitwise AND, and returns\r | |
4534 | the result.\r | |
4535 | \r | |
4536 | Performs a bitwise AND between the bit field specified by StartBit and EndBit\r | |
4537 | in Operand and the value specified by AndData. All other bits in Operand are\r | |
4538 | preserved. The new 32-bit value is returned.\r | |
4539 | \r | |
4540 | If 32-bit operations are not supported, then ASSERT().\r | |
4541 | If StartBit is greater than 31, then ASSERT().\r | |
4542 | If EndBit is greater than 31, then ASSERT().\r | |
4543 | If EndBit is less than StartBit, then ASSERT().\r | |
94952554 | 4544 | If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
ac644614 | 4545 | \r |
4546 | @param Operand Operand on which to perform the bitfield operation.\r | |
4547 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
4548 | Range 0..31.\r | |
4549 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
4550 | Range 0..31.\r | |
4551 | @param AndData The value to AND with the read value from the value\r | |
4552 | \r | |
4553 | @return The new 32-bit value.\r | |
4554 | \r | |
4555 | **/\r | |
4556 | UINT32\r | |
4557 | EFIAPI\r | |
4558 | BitFieldAnd32 (\r | |
4559 | IN UINT32 Operand,\r | |
4560 | IN UINTN StartBit,\r | |
4561 | IN UINTN EndBit,\r | |
4562 | IN UINT32 AndData\r | |
4563 | );\r | |
4564 | \r | |
4565 | \r | |
4566 | /**\r | |
4567 | Reads a bit field from a 32-bit value, performs a bitwise AND followed by a\r | |
4568 | bitwise OR, and returns the result.\r | |
4569 | \r | |
4570 | Performs a bitwise AND between the bit field specified by StartBit and EndBit\r | |
9095d37b | 4571 | in Operand and the value specified by AndData, followed by a bitwise\r |
62991af2 | 4572 | OR with value specified by OrData. All other bits in Operand are\r |
ac644614 | 4573 | preserved. The new 32-bit value is returned.\r |
4574 | \r | |
4575 | If 32-bit operations are not supported, then ASSERT().\r | |
4576 | If StartBit is greater than 31, then ASSERT().\r | |
4577 | If EndBit is greater than 31, then ASSERT().\r | |
4578 | If EndBit is less than StartBit, then ASSERT().\r | |
94952554 LG |
4579 | If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
4580 | If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r | |
ac644614 | 4581 | \r |
4582 | @param Operand Operand on which to perform the bitfield operation.\r | |
4583 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
4584 | Range 0..31.\r | |
4585 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
4586 | Range 0..31.\r | |
4587 | @param AndData The value to AND with the read value from the value.\r | |
4588 | @param OrData The value to OR with the result of the AND operation.\r | |
4589 | \r | |
4590 | @return The new 32-bit value.\r | |
4591 | \r | |
4592 | **/\r | |
4593 | UINT32\r | |
4594 | EFIAPI\r | |
4595 | BitFieldAndThenOr32 (\r | |
4596 | IN UINT32 Operand,\r | |
4597 | IN UINTN StartBit,\r | |
4598 | IN UINTN EndBit,\r | |
4599 | IN UINT32 AndData,\r | |
4600 | IN UINT32 OrData\r | |
4601 | );\r | |
4602 | \r | |
4603 | \r | |
4604 | /**\r | |
4605 | Returns a bit field from a 64-bit value.\r | |
4606 | \r | |
4607 | Returns the bitfield specified by the StartBit and the EndBit from Operand.\r | |
4608 | \r | |
4609 | If 64-bit operations are not supported, then ASSERT().\r | |
4610 | If StartBit is greater than 63, then ASSERT().\r | |
4611 | If EndBit is greater than 63, then ASSERT().\r | |
4612 | If EndBit is less than StartBit, then ASSERT().\r | |
4613 | \r | |
4614 | @param Operand Operand on which to perform the bitfield operation.\r | |
4615 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
4616 | Range 0..63.\r | |
4617 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
4618 | Range 0..63.\r | |
4619 | \r | |
4620 | @return The bit field read.\r | |
4621 | \r | |
4622 | **/\r | |
4623 | UINT64\r | |
4624 | EFIAPI\r | |
4625 | BitFieldRead64 (\r | |
4626 | IN UINT64 Operand,\r | |
4627 | IN UINTN StartBit,\r | |
4628 | IN UINTN EndBit\r | |
4629 | );\r | |
4630 | \r | |
4631 | \r | |
4632 | /**\r | |
4633 | Writes a bit field to a 64-bit value, and returns the result.\r | |
4634 | \r | |
4635 | Writes Value to the bit field specified by the StartBit and the EndBit in\r | |
4636 | Operand. All other bits in Operand are preserved. The new 64-bit value is\r | |
4637 | returned.\r | |
4638 | \r | |
4639 | If 64-bit operations are not supported, then ASSERT().\r | |
4640 | If StartBit is greater than 63, then ASSERT().\r | |
4641 | If EndBit is greater than 63, then ASSERT().\r | |
4642 | If EndBit is less than StartBit, then ASSERT().\r | |
94952554 | 4643 | If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
ac644614 | 4644 | \r |
4645 | @param Operand Operand on which to perform the bitfield operation.\r | |
4646 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
4647 | Range 0..63.\r | |
4648 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
4649 | Range 0..63.\r | |
4650 | @param Value New value of the bit field.\r | |
4651 | \r | |
4652 | @return The new 64-bit value.\r | |
4653 | \r | |
4654 | **/\r | |
4655 | UINT64\r | |
4656 | EFIAPI\r | |
4657 | BitFieldWrite64 (\r | |
4658 | IN UINT64 Operand,\r | |
4659 | IN UINTN StartBit,\r | |
4660 | IN UINTN EndBit,\r | |
4661 | IN UINT64 Value\r | |
4662 | );\r | |
4663 | \r | |
4664 | \r | |
4665 | /**\r | |
4666 | Reads a bit field from a 64-bit value, performs a bitwise OR, and returns the\r | |
4667 | result.\r | |
4668 | \r | |
62991af2 | 4669 | Performs a bitwise OR between the bit field specified by StartBit\r |
ac644614 | 4670 | and EndBit in Operand and the value specified by OrData. All other bits in\r |
4671 | Operand are preserved. The new 64-bit value is returned.\r | |
4672 | \r | |
4673 | If 64-bit operations are not supported, then ASSERT().\r | |
4674 | If StartBit is greater than 63, then ASSERT().\r | |
4675 | If EndBit is greater than 63, then ASSERT().\r | |
4676 | If EndBit is less than StartBit, then ASSERT().\r | |
94952554 | 4677 | If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
ac644614 | 4678 | \r |
4679 | @param Operand Operand on which to perform the bitfield operation.\r | |
4680 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
4681 | Range 0..63.\r | |
4682 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
4683 | Range 0..63.\r | |
4684 | @param OrData The value to OR with the read value from the value\r | |
4685 | \r | |
4686 | @return The new 64-bit value.\r | |
4687 | \r | |
4688 | **/\r | |
4689 | UINT64\r | |
4690 | EFIAPI\r | |
4691 | BitFieldOr64 (\r | |
4692 | IN UINT64 Operand,\r | |
4693 | IN UINTN StartBit,\r | |
4694 | IN UINTN EndBit,\r | |
4695 | IN UINT64 OrData\r | |
4696 | );\r | |
4697 | \r | |
4698 | \r | |
4699 | /**\r | |
4700 | Reads a bit field from a 64-bit value, performs a bitwise AND, and returns\r | |
4701 | the result.\r | |
4702 | \r | |
4703 | Performs a bitwise AND between the bit field specified by StartBit and EndBit\r | |
4704 | in Operand and the value specified by AndData. All other bits in Operand are\r | |
4705 | preserved. The new 64-bit value is returned.\r | |
4706 | \r | |
4707 | If 64-bit operations are not supported, then ASSERT().\r | |
4708 | If StartBit is greater than 63, then ASSERT().\r | |
4709 | If EndBit is greater than 63, then ASSERT().\r | |
4710 | If EndBit is less than StartBit, then ASSERT().\r | |
94952554 | 4711 | If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
ac644614 | 4712 | \r |
4713 | @param Operand Operand on which to perform the bitfield operation.\r | |
4714 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
4715 | Range 0..63.\r | |
4716 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
4717 | Range 0..63.\r | |
4718 | @param AndData The value to AND with the read value from the value\r | |
4719 | \r | |
4720 | @return The new 64-bit value.\r | |
4721 | \r | |
4722 | **/\r | |
4723 | UINT64\r | |
4724 | EFIAPI\r | |
4725 | BitFieldAnd64 (\r | |
4726 | IN UINT64 Operand,\r | |
4727 | IN UINTN StartBit,\r | |
4728 | IN UINTN EndBit,\r | |
4729 | IN UINT64 AndData\r | |
4730 | );\r | |
4731 | \r | |
4732 | \r | |
4733 | /**\r | |
4734 | Reads a bit field from a 64-bit value, performs a bitwise AND followed by a\r | |
4735 | bitwise OR, and returns the result.\r | |
4736 | \r | |
4737 | Performs a bitwise AND between the bit field specified by StartBit and EndBit\r | |
9095d37b | 4738 | in Operand and the value specified by AndData, followed by a bitwise\r |
62991af2 | 4739 | OR with value specified by OrData. All other bits in Operand are\r |
ac644614 | 4740 | preserved. The new 64-bit value is returned.\r |
4741 | \r | |
4742 | If 64-bit operations are not supported, then ASSERT().\r | |
4743 | If StartBit is greater than 63, then ASSERT().\r | |
4744 | If EndBit is greater than 63, then ASSERT().\r | |
4745 | If EndBit is less than StartBit, then ASSERT().\r | |
94952554 LG |
4746 | If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
4747 | If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r | |
ac644614 | 4748 | \r |
4749 | @param Operand Operand on which to perform the bitfield operation.\r | |
4750 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
4751 | Range 0..63.\r | |
4752 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
4753 | Range 0..63.\r | |
4754 | @param AndData The value to AND with the read value from the value.\r | |
4755 | @param OrData The value to OR with the result of the AND operation.\r | |
4756 | \r | |
4757 | @return The new 64-bit value.\r | |
4758 | \r | |
4759 | **/\r | |
4760 | UINT64\r | |
4761 | EFIAPI\r | |
4762 | BitFieldAndThenOr64 (\r | |
4763 | IN UINT64 Operand,\r | |
4764 | IN UINTN StartBit,\r | |
4765 | IN UINTN EndBit,\r | |
4766 | IN UINT64 AndData,\r | |
4767 | IN UINT64 OrData\r | |
4768 | );\r | |
4769 | \r | |
d7634dc0 TP |
4770 | /**\r |
4771 | Reads a bit field from a 32-bit value, counts and returns\r | |
4772 | the number of set bits.\r | |
4773 | \r | |
4774 | Counts the number of set bits in the bit field specified by\r | |
4775 | StartBit and EndBit in Operand. The count is returned.\r | |
4776 | \r | |
4777 | If StartBit is greater than 31, then ASSERT().\r | |
4778 | If EndBit is greater than 31, then ASSERT().\r | |
4779 | If EndBit is less than StartBit, then ASSERT().\r | |
4780 | \r | |
4781 | @param Operand Operand on which to perform the bitfield operation.\r | |
4782 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
4783 | Range 0..31.\r | |
4784 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
4785 | Range 0..31.\r | |
4786 | \r | |
4787 | @return The number of bits set between StartBit and EndBit.\r | |
4788 | \r | |
4789 | **/\r | |
4790 | UINT8\r | |
4791 | EFIAPI\r | |
4792 | BitFieldCountOnes32 (\r | |
4793 | IN UINT32 Operand,\r | |
4794 | IN UINTN StartBit,\r | |
4795 | IN UINTN EndBit\r | |
4796 | );\r | |
4797 | \r | |
4798 | /**\r | |
4799 | Reads a bit field from a 64-bit value, counts and returns\r | |
4800 | the number of set bits.\r | |
4801 | \r | |
4802 | Counts the number of set bits in the bit field specified by\r | |
4803 | StartBit and EndBit in Operand. The count is returned.\r | |
4804 | \r | |
4805 | If StartBit is greater than 63, then ASSERT().\r | |
4806 | If EndBit is greater than 63, then ASSERT().\r | |
4807 | If EndBit is less than StartBit, then ASSERT().\r | |
4808 | \r | |
4809 | @param Operand Operand on which to perform the bitfield operation.\r | |
4810 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
4811 | Range 0..63.\r | |
4812 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
4813 | Range 0..63.\r | |
4814 | \r | |
4815 | @return The number of bits set between StartBit and EndBit.\r | |
4816 | \r | |
4817 | **/\r | |
4818 | UINT8\r | |
4819 | EFIAPI\r | |
4820 | BitFieldCountOnes64 (\r | |
4821 | IN UINT64 Operand,\r | |
4822 | IN UINTN StartBit,\r | |
4823 | IN UINTN EndBit\r | |
4824 | );\r | |
4825 | \r | |
ac644614 | 4826 | //\r |
4827 | // Base Library Checksum Functions\r | |
4828 | //\r | |
4829 | \r | |
4830 | /**\r | |
17f695ed | 4831 | Returns the sum of all elements in a buffer in unit of UINT8.\r |
ac644614 | 4832 | During calculation, the carry bits are dropped.\r |
4833 | \r | |
4834 | This function calculates the sum of all elements in a buffer\r | |
4835 | in unit of UINT8. The carry bits in result of addition are dropped.\r | |
4836 | The result is returned as UINT8. If Length is Zero, then Zero is\r | |
4837 | returned.\r | |
4838 | \r | |
4839 | If Buffer is NULL, then ASSERT().\r | |
4840 | If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r | |
4841 | \r | |
af2dc6a7 | 4842 | @param Buffer The pointer to the buffer to carry out the sum operation.\r |
17f695ed | 4843 | @param Length The size, in bytes, of Buffer.\r |
ac644614 | 4844 | \r |
4845 | @return Sum The sum of Buffer with carry bits dropped during additions.\r | |
4846 | \r | |
4847 | **/\r | |
4848 | UINT8\r | |
4849 | EFIAPI\r | |
4850 | CalculateSum8 (\r | |
ee6c452c | 4851 | IN CONST UINT8 *Buffer,\r |
4852 | IN UINTN Length\r | |
ac644614 | 4853 | );\r |
4854 | \r | |
4855 | \r | |
4856 | /**\r | |
4857 | Returns the two's complement checksum of all elements in a buffer\r | |
4858 | of 8-bit values.\r | |
4859 | \r | |
4860 | This function first calculates the sum of the 8-bit values in the\r | |
4861 | buffer specified by Buffer and Length. The carry bits in the result\r | |
4862 | of addition are dropped. Then, the two's complement of the sum is\r | |
4863 | returned. If Length is 0, then 0 is returned.\r | |
4864 | \r | |
4865 | If Buffer is NULL, then ASSERT().\r | |
4866 | If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r | |
4867 | \r | |
af2dc6a7 | 4868 | @param Buffer The pointer to the buffer to carry out the checksum operation.\r |
1106ffe1 | 4869 | @param Length The size, in bytes, of Buffer.\r |
ac644614 | 4870 | \r |
af2dc6a7 | 4871 | @return Checksum The two's complement checksum of Buffer.\r |
ac644614 | 4872 | \r |
4873 | **/\r | |
4874 | UINT8\r | |
4875 | EFIAPI\r | |
4876 | CalculateCheckSum8 (\r | |
ee6c452c | 4877 | IN CONST UINT8 *Buffer,\r |
4878 | IN UINTN Length\r | |
ac644614 | 4879 | );\r |
4880 | \r | |
4881 | \r | |
4882 | /**\r | |
4883 | Returns the sum of all elements in a buffer of 16-bit values. During\r | |
4884 | calculation, the carry bits are dropped.\r | |
4885 | \r | |
4886 | This function calculates the sum of the 16-bit values in the buffer\r | |
4887 | specified by Buffer and Length. The carry bits in result of addition are dropped.\r | |
4888 | The 16-bit result is returned. If Length is 0, then 0 is returned.\r | |
4889 | \r | |
4890 | If Buffer is NULL, then ASSERT().\r | |
4891 | If Buffer is not aligned on a 16-bit boundary, then ASSERT().\r | |
4892 | If Length is not aligned on a 16-bit boundary, then ASSERT().\r | |
4893 | If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r | |
4894 | \r | |
af2dc6a7 | 4895 | @param Buffer The pointer to the buffer to carry out the sum operation.\r |
1106ffe1 | 4896 | @param Length The size, in bytes, of Buffer.\r |
ac644614 | 4897 | \r |
4898 | @return Sum The sum of Buffer with carry bits dropped during additions.\r | |
4899 | \r | |
4900 | **/\r | |
4901 | UINT16\r | |
4902 | EFIAPI\r | |
4903 | CalculateSum16 (\r | |
ee6c452c | 4904 | IN CONST UINT16 *Buffer,\r |
4905 | IN UINTN Length\r | |
ac644614 | 4906 | );\r |
4907 | \r | |
4908 | \r | |
4909 | /**\r | |
4910 | Returns the two's complement checksum of all elements in a buffer of\r | |
4911 | 16-bit values.\r | |
4912 | \r | |
4913 | This function first calculates the sum of the 16-bit values in the buffer\r | |
4914 | specified by Buffer and Length. The carry bits in the result of addition\r | |
4915 | are dropped. Then, the two's complement of the sum is returned. If Length\r | |
4916 | is 0, then 0 is returned.\r | |
4917 | \r | |
4918 | If Buffer is NULL, then ASSERT().\r | |
4919 | If Buffer is not aligned on a 16-bit boundary, then ASSERT().\r | |
4920 | If Length is not aligned on a 16-bit boundary, then ASSERT().\r | |
4921 | If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r | |
4922 | \r | |
af2dc6a7 | 4923 | @param Buffer The pointer to the buffer to carry out the checksum operation.\r |
1106ffe1 | 4924 | @param Length The size, in bytes, of Buffer.\r |
ac644614 | 4925 | \r |
af2dc6a7 | 4926 | @return Checksum The two's complement checksum of Buffer.\r |
ac644614 | 4927 | \r |
4928 | **/\r | |
4929 | UINT16\r | |
4930 | EFIAPI\r | |
4931 | CalculateCheckSum16 (\r | |
ee6c452c | 4932 | IN CONST UINT16 *Buffer,\r |
4933 | IN UINTN Length\r | |
ac644614 | 4934 | );\r |
4935 | \r | |
4936 | \r | |
4937 | /**\r | |
17f695ed | 4938 | Returns the sum of all elements in a buffer of 32-bit values. During\r |
ac644614 | 4939 | calculation, the carry bits are dropped.\r |
4940 | \r | |
4941 | This function calculates the sum of the 32-bit values in the buffer\r | |
4942 | specified by Buffer and Length. The carry bits in result of addition are dropped.\r | |
17f695ed | 4943 | The 32-bit result is returned. If Length is 0, then 0 is returned.\r |
ac644614 | 4944 | \r |
4945 | If Buffer is NULL, then ASSERT().\r | |
4946 | If Buffer is not aligned on a 32-bit boundary, then ASSERT().\r | |
4947 | If Length is not aligned on a 32-bit boundary, then ASSERT().\r | |
4948 | If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r | |
4949 | \r | |
af2dc6a7 | 4950 | @param Buffer The pointer to the buffer to carry out the sum operation.\r |
1106ffe1 | 4951 | @param Length The size, in bytes, of Buffer.\r |
ac644614 | 4952 | \r |
4953 | @return Sum The sum of Buffer with carry bits dropped during additions.\r | |
4954 | \r | |
4955 | **/\r | |
4956 | UINT32\r | |
4957 | EFIAPI\r | |
4958 | CalculateSum32 (\r | |
ee6c452c | 4959 | IN CONST UINT32 *Buffer,\r |
4960 | IN UINTN Length\r | |
ac644614 | 4961 | );\r |
4962 | \r | |
4963 | \r | |
4964 | /**\r | |
4965 | Returns the two's complement checksum of all elements in a buffer of\r | |
4966 | 32-bit values.\r | |
4967 | \r | |
4968 | This function first calculates the sum of the 32-bit values in the buffer\r | |
4969 | specified by Buffer and Length. The carry bits in the result of addition\r | |
4970 | are dropped. Then, the two's complement of the sum is returned. If Length\r | |
4971 | is 0, then 0 is returned.\r | |
4972 | \r | |
4973 | If Buffer is NULL, then ASSERT().\r | |
4974 | If Buffer is not aligned on a 32-bit boundary, then ASSERT().\r | |
4975 | If Length is not aligned on a 32-bit boundary, then ASSERT().\r | |
4976 | If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r | |
4977 | \r | |
af2dc6a7 | 4978 | @param Buffer The pointer to the buffer to carry out the checksum operation.\r |
1106ffe1 | 4979 | @param Length The size, in bytes, of Buffer.\r |
ac644614 | 4980 | \r |
af2dc6a7 | 4981 | @return Checksum The two's complement checksum of Buffer.\r |
ac644614 | 4982 | \r |
4983 | **/\r | |
4984 | UINT32\r | |
4985 | EFIAPI\r | |
4986 | CalculateCheckSum32 (\r | |
ee6c452c | 4987 | IN CONST UINT32 *Buffer,\r |
4988 | IN UINTN Length\r | |
ac644614 | 4989 | );\r |
4990 | \r | |
4991 | \r | |
4992 | /**\r | |
4993 | Returns the sum of all elements in a buffer of 64-bit values. During\r | |
4994 | calculation, the carry bits are dropped.\r | |
4995 | \r | |
4996 | This function calculates the sum of the 64-bit values in the buffer\r | |
4997 | specified by Buffer and Length. The carry bits in result of addition are dropped.\r | |
4998 | The 64-bit result is returned. If Length is 0, then 0 is returned.\r | |
4999 | \r | |
5000 | If Buffer is NULL, then ASSERT().\r | |
5001 | If Buffer is not aligned on a 64-bit boundary, then ASSERT().\r | |
5002 | If Length is not aligned on a 64-bit boundary, then ASSERT().\r | |
5003 | If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r | |
5004 | \r | |
af2dc6a7 | 5005 | @param Buffer The pointer to the buffer to carry out the sum operation.\r |
1106ffe1 | 5006 | @param Length The size, in bytes, of Buffer.\r |
ac644614 | 5007 | \r |
5008 | @return Sum The sum of Buffer with carry bits dropped during additions.\r | |
5009 | \r | |
5010 | **/\r | |
5011 | UINT64\r | |
5012 | EFIAPI\r | |
5013 | CalculateSum64 (\r | |
ee6c452c | 5014 | IN CONST UINT64 *Buffer,\r |
5015 | IN UINTN Length\r | |
ac644614 | 5016 | );\r |
5017 | \r | |
5018 | \r | |
5019 | /**\r | |
5020 | Returns the two's complement checksum of all elements in a buffer of\r | |
5021 | 64-bit values.\r | |
5022 | \r | |
5023 | This function first calculates the sum of the 64-bit values in the buffer\r | |
5024 | specified by Buffer and Length. The carry bits in the result of addition\r | |
5025 | are dropped. Then, the two's complement of the sum is returned. If Length\r | |
5026 | is 0, then 0 is returned.\r | |
5027 | \r | |
5028 | If Buffer is NULL, then ASSERT().\r | |
5029 | If Buffer is not aligned on a 64-bit boundary, then ASSERT().\r | |
5030 | If Length is not aligned on a 64-bit boundary, then ASSERT().\r | |
5031 | If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r | |
5032 | \r | |
af2dc6a7 | 5033 | @param Buffer The pointer to the buffer to carry out the checksum operation.\r |
1106ffe1 | 5034 | @param Length The size, in bytes, of Buffer.\r |
ac644614 | 5035 | \r |
af2dc6a7 | 5036 | @return Checksum The two's complement checksum of Buffer.\r |
ac644614 | 5037 | \r |
5038 | **/\r | |
5039 | UINT64\r | |
5040 | EFIAPI\r | |
5041 | CalculateCheckSum64 (\r | |
ee6c452c | 5042 | IN CONST UINT64 *Buffer,\r |
5043 | IN UINTN Length\r | |
ac644614 | 5044 | );\r |
5045 | \r | |
0a8e6f79 LG |
5046 | /**\r |
5047 | Computes and returns a 32-bit CRC for a data buffer.\r | |
5048 | CRC32 value bases on ITU-T V.42.\r | |
5049 | \r | |
5050 | If Buffer is NULL, then ASSERT().\r | |
5051 | If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r | |
5052 | \r | |
5053 | @param[in] Buffer A pointer to the buffer on which the 32-bit CRC is to be computed.\r | |
5054 | @param[in] Length The number of bytes in the buffer Data.\r | |
5055 | \r | |
5056 | @retval Crc32 The 32-bit CRC was computed for the data buffer.\r | |
5057 | \r | |
5058 | **/\r | |
5059 | UINT32\r | |
5060 | EFIAPI\r | |
5061 | CalculateCrc32(\r | |
5062 | IN VOID *Buffer,\r | |
5063 | IN UINTN Length\r | |
5064 | );\r | |
ac644614 | 5065 | \r |
d75f9fc2 | 5066 | //\r |
5067 | // Base Library CPU Functions\r | |
5068 | //\r | |
5069 | \r | |
5070 | /**\r | |
5071 | Function entry point used when a stack switch is requested with SwitchStack()\r | |
5072 | \r | |
5073 | @param Context1 Context1 parameter passed into SwitchStack().\r | |
5074 | @param Context2 Context2 parameter passed into SwitchStack().\r | |
5075 | \r | |
5076 | **/\r | |
ac644614 | 5077 | typedef\r |
5078 | VOID\r | |
9810cdd8 | 5079 | (EFIAPI *SWITCH_STACK_ENTRY_POINT)(\r |
ac644614 | 5080 | IN VOID *Context1, OPTIONAL\r |
5081 | IN VOID *Context2 OPTIONAL\r | |
5082 | );\r | |
5083 | \r | |
5084 | \r | |
5085 | /**\r | |
5086 | Used to serialize load and store operations.\r | |
5087 | \r | |
5088 | All loads and stores that proceed calls to this function are guaranteed to be\r | |
5089 | globally visible when this function returns.\r | |
5090 | \r | |
5091 | **/\r | |
5092 | VOID\r | |
5093 | EFIAPI\r | |
5094 | MemoryFence (\r | |
5095 | VOID\r | |
5096 | );\r | |
5097 | \r | |
5098 | \r | |
5099 | /**\r | |
5100 | Saves the current CPU context that can be restored with a call to LongJump()\r | |
5101 | and returns 0.\r | |
5102 | \r | |
5103 | Saves the current CPU context in the buffer specified by JumpBuffer and\r | |
5104 | returns 0. The initial call to SetJump() must always return 0. Subsequent\r | |
5105 | calls to LongJump() cause a non-zero value to be returned by SetJump().\r | |
5106 | \r | |
5107 | If JumpBuffer is NULL, then ASSERT().\r | |
1a2f870c | 5108 | For Itanium processors, if JumpBuffer is not aligned on a 16-byte boundary, then ASSERT().\r |
9095d37b | 5109 | \r |
17f695ed | 5110 | NOTE: The structure BASE_LIBRARY_JUMP_BUFFER is CPU architecture specific.\r |
5111 | The same structure must never be used for more than one CPU architecture context.\r | |
9095d37b LG |
5112 | For example, a BASE_LIBRARY_JUMP_BUFFER allocated by an IA-32 module must never be used from an x64 module.\r |
5113 | SetJump()/LongJump() is not currently supported for the EBC processor type.\r | |
ac644614 | 5114 | \r |
5115 | @param JumpBuffer A pointer to CPU context buffer.\r | |
5116 | \r | |
5117 | @retval 0 Indicates a return from SetJump().\r | |
5118 | \r | |
5119 | **/\r | |
2117989c | 5120 | RETURNS_TWICE\r |
ac644614 | 5121 | UINTN\r |
5122 | EFIAPI\r | |
5123 | SetJump (\r | |
5124 | OUT BASE_LIBRARY_JUMP_BUFFER *JumpBuffer\r | |
5125 | );\r | |
5126 | \r | |
5127 | \r | |
5128 | /**\r | |
5129 | Restores the CPU context that was saved with SetJump().\r | |
5130 | \r | |
5131 | Restores the CPU context from the buffer specified by JumpBuffer. This\r | |
5132 | function never returns to the caller. Instead is resumes execution based on\r | |
5133 | the state of JumpBuffer.\r | |
5134 | \r | |
5135 | If JumpBuffer is NULL, then ASSERT().\r | |
1a2f870c | 5136 | For Itanium processors, if JumpBuffer is not aligned on a 16-byte boundary, then ASSERT().\r |
ac644614 | 5137 | If Value is 0, then ASSERT().\r |
5138 | \r | |
5139 | @param JumpBuffer A pointer to CPU context buffer.\r | |
5140 | @param Value The value to return when the SetJump() context is\r | |
5141 | restored and must be non-zero.\r | |
5142 | \r | |
5143 | **/\r | |
5144 | VOID\r | |
5145 | EFIAPI\r | |
5146 | LongJump (\r | |
5147 | IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer,\r | |
5148 | IN UINTN Value\r | |
5149 | );\r | |
5150 | \r | |
5151 | \r | |
5152 | /**\r | |
5153 | Enables CPU interrupts.\r | |
5154 | \r | |
ac644614 | 5155 | **/\r |
5156 | VOID\r | |
5157 | EFIAPI\r | |
5158 | EnableInterrupts (\r | |
5159 | VOID\r | |
5160 | );\r | |
5161 | \r | |
5162 | \r | |
5163 | /**\r | |
5164 | Disables CPU interrupts.\r | |
5165 | \r | |
ac644614 | 5166 | **/\r |
5167 | VOID\r | |
5168 | EFIAPI\r | |
5169 | DisableInterrupts (\r | |
5170 | VOID\r | |
5171 | );\r | |
5172 | \r | |
5173 | \r | |
5174 | /**\r | |
5175 | Disables CPU interrupts and returns the interrupt state prior to the disable\r | |
5176 | operation.\r | |
5177 | \r | |
ac644614 | 5178 | @retval TRUE CPU interrupts were enabled on entry to this call.\r |
5179 | @retval FALSE CPU interrupts were disabled on entry to this call.\r | |
5180 | \r | |
5181 | **/\r | |
5182 | BOOLEAN\r | |
5183 | EFIAPI\r | |
5184 | SaveAndDisableInterrupts (\r | |
5185 | VOID\r | |
5186 | );\r | |
5187 | \r | |
5188 | \r | |
5189 | /**\r | |
5190 | Enables CPU interrupts for the smallest window required to capture any\r | |
5191 | pending interrupts.\r | |
5192 | \r | |
ac644614 | 5193 | **/\r |
5194 | VOID\r | |
5195 | EFIAPI\r | |
5196 | EnableDisableInterrupts (\r | |
5197 | VOID\r | |
5198 | );\r | |
5199 | \r | |
5200 | \r | |
5201 | /**\r | |
5202 | Retrieves the current CPU interrupt state.\r | |
5203 | \r | |
af2dc6a7 | 5204 | Returns TRUE if interrupts are currently enabled. Otherwise\r |
38bbd3d9 | 5205 | returns FALSE.\r |
ac644614 | 5206 | \r |
5207 | @retval TRUE CPU interrupts are enabled.\r | |
5208 | @retval FALSE CPU interrupts are disabled.\r | |
5209 | \r | |
5210 | **/\r | |
5211 | BOOLEAN\r | |
5212 | EFIAPI\r | |
5213 | GetInterruptState (\r | |
5214 | VOID\r | |
5215 | );\r | |
5216 | \r | |
5217 | \r | |
5218 | /**\r | |
5219 | Set the current CPU interrupt state.\r | |
5220 | \r | |
5221 | Sets the current CPU interrupt state to the state specified by\r | |
5222 | InterruptState. If InterruptState is TRUE, then interrupts are enabled. If\r | |
5223 | InterruptState is FALSE, then interrupts are disabled. InterruptState is\r | |
5224 | returned.\r | |
5225 | \r | |
5226 | @param InterruptState TRUE if interrupts should enabled. FALSE if\r | |
5227 | interrupts should be disabled.\r | |
5228 | \r | |
5229 | @return InterruptState\r | |
5230 | \r | |
5231 | **/\r | |
5232 | BOOLEAN\r | |
5233 | EFIAPI\r | |
5234 | SetInterruptState (\r | |
5235 | IN BOOLEAN InterruptState\r | |
5236 | );\r | |
5237 | \r | |
5238 | \r | |
5239 | /**\r | |
5240 | Requests CPU to pause for a short period of time.\r | |
5241 | \r | |
5242 | Requests CPU to pause for a short period of time. Typically used in MP\r | |
5243 | systems to prevent memory starvation while waiting for a spin lock.\r | |
5244 | \r | |
5245 | **/\r | |
5246 | VOID\r | |
5247 | EFIAPI\r | |
5248 | CpuPause (\r | |
5249 | VOID\r | |
5250 | );\r | |
5251 | \r | |
5252 | \r | |
5253 | /**\r | |
5254 | Transfers control to a function starting with a new stack.\r | |
5255 | \r | |
5256 | Transfers control to the function specified by EntryPoint using the\r | |
5257 | new stack specified by NewStack and passing in the parameters specified\r | |
5258 | by Context1 and Context2. Context1 and Context2 are optional and may\r | |
5259 | be NULL. The function EntryPoint must never return. This function\r | |
5260 | supports a variable number of arguments following the NewStack parameter.\r | |
1a2f870c | 5261 | These additional arguments are ignored on IA-32, x64, and EBC architectures.\r |
5262 | Itanium processors expect one additional parameter of type VOID * that specifies\r | |
ac644614 | 5263 | the new backing store pointer.\r |
5264 | \r | |
5265 | If EntryPoint is NULL, then ASSERT().\r | |
5266 | If NewStack is NULL, then ASSERT().\r | |
5267 | \r | |
5268 | @param EntryPoint A pointer to function to call with the new stack.\r | |
5269 | @param Context1 A pointer to the context to pass into the EntryPoint\r | |
5270 | function.\r | |
5271 | @param Context2 A pointer to the context to pass into the EntryPoint\r | |
5272 | function.\r | |
5273 | @param NewStack A pointer to the new stack to use for the EntryPoint\r | |
5274 | function.\r | |
9095d37b LG |
5275 | @param ... This variable argument list is ignored for IA-32, x64, and\r |
5276 | EBC architectures. For Itanium processors, this variable\r | |
5277 | argument list is expected to contain a single parameter of\r | |
af2dc6a7 | 5278 | type VOID * that specifies the new backing store pointer.\r |
42eedea9 | 5279 | \r |
ac644614 | 5280 | \r |
5281 | **/\r | |
5282 | VOID\r | |
5283 | EFIAPI\r | |
5284 | SwitchStack (\r | |
5285 | IN SWITCH_STACK_ENTRY_POINT EntryPoint,\r | |
5286 | IN VOID *Context1, OPTIONAL\r | |
5287 | IN VOID *Context2, OPTIONAL\r | |
5288 | IN VOID *NewStack,\r | |
5289 | ...\r | |
5290 | );\r | |
5291 | \r | |
5292 | \r | |
5293 | /**\r | |
5294 | Generates a breakpoint on the CPU.\r | |
5295 | \r | |
5296 | Generates a breakpoint on the CPU. The breakpoint must be implemented such\r | |
5297 | that code can resume normal execution after the breakpoint.\r | |
5298 | \r | |
5299 | **/\r | |
5300 | VOID\r | |
5301 | EFIAPI\r | |
5302 | CpuBreakpoint (\r | |
5303 | VOID\r | |
5304 | );\r | |
5305 | \r | |
5306 | \r | |
5307 | /**\r | |
5308 | Executes an infinite loop.\r | |
5309 | \r | |
5310 | Forces the CPU to execute an infinite loop. A debugger may be used to skip\r | |
5311 | past the loop and the code that follows the loop must execute properly. This\r | |
5312 | implies that the infinite loop must not cause the code that follow it to be\r | |
5313 | optimized away.\r | |
5314 | \r | |
5315 | **/\r | |
5316 | VOID\r | |
5317 | EFIAPI\r | |
5318 | CpuDeadLoop (\r | |
5319 | VOID\r | |
5320 | );\r | |
9095d37b | 5321 | \r |
d9f1cac5 HW |
5322 | \r |
5323 | /**\r | |
5324 | Uses as a barrier to stop speculative execution.\r | |
5325 | \r | |
5326 | Ensures that no later instruction will execute speculatively, until all prior\r | |
5327 | instructions have completed.\r | |
5328 | \r | |
5329 | **/\r | |
5330 | VOID\r | |
5331 | EFIAPI\r | |
5332 | SpeculationBarrier (\r | |
5333 | VOID\r | |
5334 | );\r | |
5335 | \r | |
5336 | \r | |
fd163050 | 5337 | #if defined (MDE_CPU_IA32) || defined (MDE_CPU_X64)\r |
1106ffe1 | 5338 | ///\r |
af2dc6a7 | 5339 | /// IA32 and x64 Specific Functions.\r |
5340 | /// Byte packed structure for 16-bit Real Mode EFLAGS.\r | |
1106ffe1 | 5341 | ///\r |
ac644614 | 5342 | typedef union {\r |
5343 | struct {\r | |
af2dc6a7 | 5344 | UINT32 CF:1; ///< Carry Flag.\r |
5345 | UINT32 Reserved_0:1; ///< Reserved.\r | |
5346 | UINT32 PF:1; ///< Parity Flag.\r | |
5347 | UINT32 Reserved_1:1; ///< Reserved.\r | |
5348 | UINT32 AF:1; ///< Auxiliary Carry Flag.\r | |
5349 | UINT32 Reserved_2:1; ///< Reserved.\r | |
5350 | UINT32 ZF:1; ///< Zero Flag.\r | |
5351 | UINT32 SF:1; ///< Sign Flag.\r | |
5352 | UINT32 TF:1; ///< Trap Flag.\r | |
5353 | UINT32 IF:1; ///< Interrupt Enable Flag.\r | |
5354 | UINT32 DF:1; ///< Direction Flag.\r | |
5355 | UINT32 OF:1; ///< Overflow Flag.\r | |
5356 | UINT32 IOPL:2; ///< I/O Privilege Level.\r | |
5357 | UINT32 NT:1; ///< Nested Task.\r | |
5358 | UINT32 Reserved_3:1; ///< Reserved.\r | |
ac644614 | 5359 | } Bits;\r |
5360 | UINT16 Uint16;\r | |
5361 | } IA32_FLAGS16;\r | |
5362 | \r | |
1106ffe1 | 5363 | ///\r |
af2dc6a7 | 5364 | /// Byte packed structure for EFLAGS/RFLAGS.\r |
5365 | /// 32-bits on IA-32.\r | |
5366 | /// 64-bits on x64. The upper 32-bits on x64 are reserved.\r | |
1106ffe1 | 5367 | ///\r |
ac644614 | 5368 | typedef union {\r |
5369 | struct {\r | |
af2dc6a7 | 5370 | UINT32 CF:1; ///< Carry Flag.\r |
5371 | UINT32 Reserved_0:1; ///< Reserved.\r | |
5372 | UINT32 PF:1; ///< Parity Flag.\r | |
5373 | UINT32 Reserved_1:1; ///< Reserved.\r | |
5374 | UINT32 AF:1; ///< Auxiliary Carry Flag.\r | |
5375 | UINT32 Reserved_2:1; ///< Reserved.\r | |
5376 | UINT32 ZF:1; ///< Zero Flag.\r | |
5377 | UINT32 SF:1; ///< Sign Flag.\r | |
5378 | UINT32 TF:1; ///< Trap Flag.\r | |
5379 | UINT32 IF:1; ///< Interrupt Enable Flag.\r | |
5380 | UINT32 DF:1; ///< Direction Flag.\r | |
5381 | UINT32 OF:1; ///< Overflow Flag.\r | |
5382 | UINT32 IOPL:2; ///< I/O Privilege Level.\r | |
5383 | UINT32 NT:1; ///< Nested Task.\r | |
5384 | UINT32 Reserved_3:1; ///< Reserved.\r | |
5385 | UINT32 RF:1; ///< Resume Flag.\r | |
5386 | UINT32 VM:1; ///< Virtual 8086 Mode.\r | |
5387 | UINT32 AC:1; ///< Alignment Check.\r | |
5388 | UINT32 VIF:1; ///< Virtual Interrupt Flag.\r | |
5389 | UINT32 VIP:1; ///< Virtual Interrupt Pending.\r | |
5390 | UINT32 ID:1; ///< ID Flag.\r | |
5391 | UINT32 Reserved_4:10; ///< Reserved.\r | |
ac644614 | 5392 | } Bits;\r |
5393 | UINTN UintN;\r | |
5394 | } IA32_EFLAGS32;\r | |
5395 | \r | |
1106ffe1 | 5396 | ///\r |
af2dc6a7 | 5397 | /// Byte packed structure for Control Register 0 (CR0).\r |
5398 | /// 32-bits on IA-32.\r | |
5399 | /// 64-bits on x64. The upper 32-bits on x64 are reserved.\r | |
1106ffe1 | 5400 | ///\r |
ac644614 | 5401 | typedef union {\r |
5402 | struct {\r | |
af2dc6a7 | 5403 | UINT32 PE:1; ///< Protection Enable.\r |
5404 | UINT32 MP:1; ///< Monitor Coprocessor.\r | |
5405 | UINT32 EM:1; ///< Emulation.\r | |
5406 | UINT32 TS:1; ///< Task Switched.\r | |
5407 | UINT32 ET:1; ///< Extension Type.\r | |
5408 | UINT32 NE:1; ///< Numeric Error.\r | |
5409 | UINT32 Reserved_0:10; ///< Reserved.\r | |
5410 | UINT32 WP:1; ///< Write Protect.\r | |
5411 | UINT32 Reserved_1:1; ///< Reserved.\r | |
5412 | UINT32 AM:1; ///< Alignment Mask.\r | |
5413 | UINT32 Reserved_2:10; ///< Reserved.\r | |
5414 | UINT32 NW:1; ///< Mot Write-through.\r | |
5415 | UINT32 CD:1; ///< Cache Disable.\r | |
5416 | UINT32 PG:1; ///< Paging.\r | |
ac644614 | 5417 | } Bits;\r |
5418 | UINTN UintN;\r | |
5419 | } IA32_CR0;\r | |
5420 | \r | |
1106ffe1 | 5421 | ///\r |
af2dc6a7 | 5422 | /// Byte packed structure for Control Register 4 (CR4).\r |
5423 | /// 32-bits on IA-32.\r | |
5424 | /// 64-bits on x64. The upper 32-bits on x64 are reserved.\r | |
1106ffe1 | 5425 | ///\r |
ac644614 | 5426 | typedef union {\r |
5427 | struct {\r | |
af2dc6a7 | 5428 | UINT32 VME:1; ///< Virtual-8086 Mode Extensions.\r |
5429 | UINT32 PVI:1; ///< Protected-Mode Virtual Interrupts.\r | |
5430 | UINT32 TSD:1; ///< Time Stamp Disable.\r | |
5431 | UINT32 DE:1; ///< Debugging Extensions.\r | |
5432 | UINT32 PSE:1; ///< Page Size Extensions.\r | |
5433 | UINT32 PAE:1; ///< Physical Address Extension.\r | |
5434 | UINT32 MCE:1; ///< Machine Check Enable.\r | |
5435 | UINT32 PGE:1; ///< Page Global Enable.\r | |
2a53dabf | 5436 | UINT32 PCE:1; ///< Performance Monitoring Counter\r |
af2dc6a7 | 5437 | ///< Enable.\r |
2a53dabf LG |
5438 | UINT32 OSFXSR:1; ///< Operating System Support for\r |
5439 | ///< FXSAVE and FXRSTOR instructions\r | |
5440 | UINT32 OSXMMEXCPT:1; ///< Operating System Support for\r | |
5441 | ///< Unmasked SIMD Floating Point\r | |
af2dc6a7 | 5442 | ///< Exceptions.\r |
859046e0 | 5443 | UINT32 UMIP:1; ///< User-Mode Instruction Prevention.\r |
6e5a33d1 | 5444 | UINT32 LA57:1; ///< Linear Address 57bit.\r |
859046e0 JV |
5445 | UINT32 VMXE:1; ///< VMX Enable.\r |
5446 | UINT32 SMXE:1; ///< SMX Enable.\r | |
5447 | UINT32 Reserved_3:1; ///< Reserved.\r | |
5448 | UINT32 FSGSBASE:1; ///< FSGSBASE Enable.\r | |
5449 | UINT32 PCIDE:1; ///< PCID Enable.\r | |
5450 | UINT32 OSXSAVE:1; ///< XSAVE and Processor Extended States Enable.\r | |
5451 | UINT32 Reserved_4:1; ///< Reserved.\r | |
5452 | UINT32 SMEP:1; ///< SMEP Enable.\r | |
5453 | UINT32 SMAP:1; ///< SMAP Enable.\r | |
5454 | UINT32 PKE:1; ///< Protection-Key Enable.\r | |
5455 | UINT32 Reserved_5:9; ///< Reserved.\r | |
ac644614 | 5456 | } Bits;\r |
5457 | UINTN UintN;\r | |
5458 | } IA32_CR4;\r | |
5459 | \r | |
6088db38 | 5460 | ///\r |
5461 | /// Byte packed structure for a segment descriptor in a GDT/LDT.\r | |
5462 | ///\r | |
5463 | typedef union {\r | |
5464 | struct {\r | |
5465 | UINT32 LimitLow:16;\r | |
5466 | UINT32 BaseLow:16;\r | |
5467 | UINT32 BaseMid:8;\r | |
5468 | UINT32 Type:4;\r | |
5469 | UINT32 S:1;\r | |
5470 | UINT32 DPL:2;\r | |
5471 | UINT32 P:1;\r | |
5472 | UINT32 LimitHigh:4;\r | |
5473 | UINT32 AVL:1;\r | |
5474 | UINT32 L:1;\r | |
5475 | UINT32 DB:1;\r | |
5476 | UINT32 G:1;\r | |
5477 | UINT32 BaseHigh:8;\r | |
5478 | } Bits;\r | |
5479 | UINT64 Uint64;\r | |
5480 | } IA32_SEGMENT_DESCRIPTOR;\r | |
5481 | \r | |
1106ffe1 | 5482 | ///\r |
af2dc6a7 | 5483 | /// Byte packed structure for an IDTR, GDTR, LDTR descriptor.\r |
1106ffe1 | 5484 | ///\r |
ac644614 | 5485 | #pragma pack (1)\r |
5486 | typedef struct {\r | |
5487 | UINT16 Limit;\r | |
5488 | UINTN Base;\r | |
5489 | } IA32_DESCRIPTOR;\r | |
5490 | #pragma pack ()\r | |
5491 | \r | |
5492 | #define IA32_IDT_GATE_TYPE_TASK 0x85\r | |
5493 | #define IA32_IDT_GATE_TYPE_INTERRUPT_16 0x86\r | |
5494 | #define IA32_IDT_GATE_TYPE_TRAP_16 0x87\r | |
5495 | #define IA32_IDT_GATE_TYPE_INTERRUPT_32 0x8E\r | |
5496 | #define IA32_IDT_GATE_TYPE_TRAP_32 0x8F\r | |
5497 | \r | |
364a5474 JW |
5498 | #define IA32_GDT_TYPE_TSS 0x9\r |
5499 | #define IA32_GDT_ALIGNMENT 8\r | |
6f4aad3b | 5500 | \r |
5501 | #if defined (MDE_CPU_IA32)\r | |
1106ffe1 | 5502 | ///\r |
af2dc6a7 | 5503 | /// Byte packed structure for an IA-32 Interrupt Gate Descriptor.\r |
1106ffe1 | 5504 | ///\r |
dc317713 | 5505 | typedef union {\r |
5506 | struct {\r | |
af2dc6a7 | 5507 | UINT32 OffsetLow:16; ///< Offset bits 15..0.\r |
5508 | UINT32 Selector:16; ///< Selector.\r | |
5509 | UINT32 Reserved_0:8; ///< Reserved.\r | |
5510 | UINT32 GateType:8; ///< Gate Type. See #defines above.\r | |
5511 | UINT32 OffsetHigh:16; ///< Offset bits 31..16.\r | |
dc317713 | 5512 | } Bits;\r |
5513 | UINT64 Uint64;\r | |
5514 | } IA32_IDT_GATE_DESCRIPTOR;\r | |
5515 | \r | |
364a5474 JW |
5516 | #pragma pack (1)\r |
5517 | //\r | |
5518 | // IA32 Task-State Segment Definition\r | |
5519 | //\r | |
5520 | typedef struct {\r | |
5521 | UINT16 PreviousTaskLink;\r | |
5522 | UINT16 Reserved_2;\r | |
3ab032fc JW |
5523 | UINT32 ESP0;\r |
5524 | UINT16 SS0;\r | |
364a5474 | 5525 | UINT16 Reserved_10;\r |
3ab032fc JW |
5526 | UINT32 ESP1;\r |
5527 | UINT16 SS1;\r | |
364a5474 | 5528 | UINT16 Reserved_18;\r |
3ab032fc JW |
5529 | UINT32 ESP2;\r |
5530 | UINT16 SS2;\r | |
364a5474 | 5531 | UINT16 Reserved_26;\r |
3ab032fc JW |
5532 | UINT32 CR3;\r |
5533 | UINT32 EIP;\r | |
5534 | UINT32 EFLAGS;\r | |
5535 | UINT32 EAX;\r | |
5536 | UINT32 ECX;\r | |
5537 | UINT32 EDX;\r | |
5538 | UINT32 EBX;\r | |
5539 | UINT32 ESP;\r | |
5540 | UINT32 EBP;\r | |
5541 | UINT32 ESI;\r | |
5542 | UINT32 EDI;\r | |
5543 | UINT16 ES;\r | |
364a5474 | 5544 | UINT16 Reserved_74;\r |
3ab032fc | 5545 | UINT16 CS;\r |
364a5474 | 5546 | UINT16 Reserved_78;\r |
3ab032fc | 5547 | UINT16 SS;\r |
364a5474 | 5548 | UINT16 Reserved_82;\r |
3ab032fc | 5549 | UINT16 DS;\r |
364a5474 | 5550 | UINT16 Reserved_86;\r |
3ab032fc | 5551 | UINT16 FS;\r |
364a5474 | 5552 | UINT16 Reserved_90;\r |
3ab032fc | 5553 | UINT16 GS;\r |
364a5474 JW |
5554 | UINT16 Reserved_94;\r |
5555 | UINT16 LDTSegmentSelector;\r | |
5556 | UINT16 Reserved_98;\r | |
3ab032fc | 5557 | UINT16 T;\r |
364a5474 JW |
5558 | UINT16 IOMapBaseAddress;\r |
5559 | } IA32_TASK_STATE_SEGMENT;\r | |
5560 | \r | |
5561 | typedef union {\r | |
5562 | struct {\r | |
5563 | UINT32 LimitLow:16; ///< Segment Limit 15..00\r | |
5564 | UINT32 BaseLow:16; ///< Base Address 15..00\r | |
5565 | UINT32 BaseMid:8; ///< Base Address 23..16\r | |
5566 | UINT32 Type:4; ///< Type (1 0 B 1)\r | |
5567 | UINT32 Reserved_43:1; ///< 0\r | |
3ab032fc JW |
5568 | UINT32 DPL:2; ///< Descriptor Privilege Level\r |
5569 | UINT32 P:1; ///< Segment Present\r | |
364a5474 | 5570 | UINT32 LimitHigh:4; ///< Segment Limit 19..16\r |
3ab032fc | 5571 | UINT32 AVL:1; ///< Available for use by system software\r |
364a5474 | 5572 | UINT32 Reserved_52:2; ///< 0 0\r |
3ab032fc | 5573 | UINT32 G:1; ///< Granularity\r |
364a5474 JW |
5574 | UINT32 BaseHigh:8; ///< Base Address 31..24\r |
5575 | } Bits;\r | |
5576 | UINT64 Uint64;\r | |
5577 | } IA32_TSS_DESCRIPTOR;\r | |
5578 | #pragma pack ()\r | |
5579 | \r | |
de4f7f52 | 5580 | #endif // defined (MDE_CPU_IA32)\r |
dc317713 | 5581 | \r |
5582 | #if defined (MDE_CPU_X64)\r | |
6f4aad3b | 5583 | ///\r |
af2dc6a7 | 5584 | /// Byte packed structure for an x64 Interrupt Gate Descriptor.\r |
6f4aad3b | 5585 | ///\r |
ac644614 | 5586 | typedef union {\r |
5587 | struct {\r | |
af2dc6a7 | 5588 | UINT32 OffsetLow:16; ///< Offset bits 15..0.\r |
5589 | UINT32 Selector:16; ///< Selector.\r | |
5590 | UINT32 Reserved_0:8; ///< Reserved.\r | |
5591 | UINT32 GateType:8; ///< Gate Type. See #defines above.\r | |
5592 | UINT32 OffsetHigh:16; ///< Offset bits 31..16.\r | |
5593 | UINT32 OffsetUpper:32; ///< Offset bits 63..32.\r | |
5594 | UINT32 Reserved_1:32; ///< Reserved.\r | |
ac644614 | 5595 | } Bits;\r |
6f4aad3b | 5596 | struct {\r |
5597 | UINT64 Uint64;\r | |
5598 | UINT64 Uint64_1;\r | |
9095d37b | 5599 | } Uint128;\r |
ac644614 | 5600 | } IA32_IDT_GATE_DESCRIPTOR;\r |
5601 | \r | |
364a5474 JW |
5602 | #pragma pack (1)\r |
5603 | //\r | |
5604 | // IA32 Task-State Segment Definition\r | |
5605 | //\r | |
5606 | typedef struct {\r | |
5607 | UINT32 Reserved_0;\r | |
3ab032fc JW |
5608 | UINT64 RSP0;\r |
5609 | UINT64 RSP1;\r | |
5610 | UINT64 RSP2;\r | |
364a5474 | 5611 | UINT64 Reserved_28;\r |
3ab032fc | 5612 | UINT64 IST[7];\r |
364a5474 JW |
5613 | UINT64 Reserved_92;\r |
5614 | UINT16 Reserved_100;\r | |
5615 | UINT16 IOMapBaseAddress;\r | |
5616 | } IA32_TASK_STATE_SEGMENT;\r | |
5617 | \r | |
5618 | typedef union {\r | |
5619 | struct {\r | |
5620 | UINT32 LimitLow:16; ///< Segment Limit 15..00\r | |
5621 | UINT32 BaseLow:16; ///< Base Address 15..00\r | |
5622 | UINT32 BaseMidl:8; ///< Base Address 23..16\r | |
5623 | UINT32 Type:4; ///< Type (1 0 B 1)\r | |
5624 | UINT32 Reserved_43:1; ///< 0\r | |
3ab032fc JW |
5625 | UINT32 DPL:2; ///< Descriptor Privilege Level\r |
5626 | UINT32 P:1; ///< Segment Present\r | |
364a5474 | 5627 | UINT32 LimitHigh:4; ///< Segment Limit 19..16\r |
3ab032fc | 5628 | UINT32 AVL:1; ///< Available for use by system software\r |
364a5474 | 5629 | UINT32 Reserved_52:2; ///< 0 0\r |
3ab032fc | 5630 | UINT32 G:1; ///< Granularity\r |
364a5474 JW |
5631 | UINT32 BaseMidh:8; ///< Base Address 31..24\r |
5632 | UINT32 BaseHigh:32; ///< Base Address 63..32\r | |
5633 | UINT32 Reserved_96:32; ///< Reserved\r | |
5634 | } Bits;\r | |
5635 | struct {\r | |
5636 | UINT64 Uint64;\r | |
5637 | UINT64 Uint64_1;\r | |
5638 | } Uint128;\r | |
5639 | } IA32_TSS_DESCRIPTOR;\r | |
5640 | #pragma pack ()\r | |
5641 | \r | |
de4f7f52 | 5642 | #endif // defined (MDE_CPU_X64)\r |
dc317713 | 5643 | \r |
1106ffe1 | 5644 | ///\r |
af2dc6a7 | 5645 | /// Byte packed structure for an FP/SSE/SSE2 context.\r |
1106ffe1 | 5646 | ///\r |
ac644614 | 5647 | typedef struct {\r |
5648 | UINT8 Buffer[512];\r | |
5649 | } IA32_FX_BUFFER;\r | |
5650 | \r | |
1106ffe1 | 5651 | ///\r |
af2dc6a7 | 5652 | /// Structures for the 16-bit real mode thunks.\r |
1106ffe1 | 5653 | ///\r |
ac644614 | 5654 | typedef struct {\r |
5655 | UINT32 Reserved1;\r | |
5656 | UINT32 Reserved2;\r | |
5657 | UINT32 Reserved3;\r | |
5658 | UINT32 Reserved4;\r | |
5659 | UINT8 BL;\r | |
5660 | UINT8 BH;\r | |
5661 | UINT16 Reserved5;\r | |
5662 | UINT8 DL;\r | |
5663 | UINT8 DH;\r | |
5664 | UINT16 Reserved6;\r | |
5665 | UINT8 CL;\r | |
5666 | UINT8 CH;\r | |
5667 | UINT16 Reserved7;\r | |
5668 | UINT8 AL;\r | |
5669 | UINT8 AH;\r | |
5670 | UINT16 Reserved8;\r | |
5671 | } IA32_BYTE_REGS;\r | |
5672 | \r | |
5673 | typedef struct {\r | |
5674 | UINT16 DI;\r | |
5675 | UINT16 Reserved1;\r | |
5676 | UINT16 SI;\r | |
5677 | UINT16 Reserved2;\r | |
5678 | UINT16 BP;\r | |
5679 | UINT16 Reserved3;\r | |
5680 | UINT16 SP;\r | |
5681 | UINT16 Reserved4;\r | |
5682 | UINT16 BX;\r | |
5683 | UINT16 Reserved5;\r | |
5684 | UINT16 DX;\r | |
5685 | UINT16 Reserved6;\r | |
5686 | UINT16 CX;\r | |
5687 | UINT16 Reserved7;\r | |
5688 | UINT16 AX;\r | |
5689 | UINT16 Reserved8;\r | |
5690 | } IA32_WORD_REGS;\r | |
5691 | \r | |
5692 | typedef struct {\r | |
5693 | UINT32 EDI;\r | |
5694 | UINT32 ESI;\r | |
5695 | UINT32 EBP;\r | |
5696 | UINT32 ESP;\r | |
5697 | UINT32 EBX;\r | |
5698 | UINT32 EDX;\r | |
5699 | UINT32 ECX;\r | |
5700 | UINT32 EAX;\r | |
5701 | UINT16 DS;\r | |
5702 | UINT16 ES;\r | |
5703 | UINT16 FS;\r | |
5704 | UINT16 GS;\r | |
5705 | IA32_EFLAGS32 EFLAGS;\r | |
5706 | UINT32 Eip;\r | |
5707 | UINT16 CS;\r | |
5708 | UINT16 SS;\r | |
5709 | } IA32_DWORD_REGS;\r | |
5710 | \r | |
5711 | typedef union {\r | |
5712 | IA32_DWORD_REGS E;\r | |
5713 | IA32_WORD_REGS X;\r | |
5714 | IA32_BYTE_REGS H;\r | |
5715 | } IA32_REGISTER_SET;\r | |
5716 | \r | |
1106ffe1 | 5717 | ///\r |
af2dc6a7 | 5718 | /// Byte packed structure for an 16-bit real mode thunks.\r |
1106ffe1 | 5719 | ///\r |
ac644614 | 5720 | typedef struct {\r |
5721 | IA32_REGISTER_SET *RealModeState;\r | |
5722 | VOID *RealModeBuffer;\r | |
5723 | UINT32 RealModeBufferSize;\r | |
5724 | UINT32 ThunkAttributes;\r | |
5725 | } THUNK_CONTEXT;\r | |
5726 | \r | |
5727 | #define THUNK_ATTRIBUTE_BIG_REAL_MODE 0x00000001\r | |
5728 | #define THUNK_ATTRIBUTE_DISABLE_A20_MASK_INT_15 0x00000002\r | |
5729 | #define THUNK_ATTRIBUTE_DISABLE_A20_MASK_KBD_CTRL 0x00000004\r | |
5730 | \r | |
8596c140 LE |
5731 | ///\r |
5732 | /// Type definition for representing labels in NASM source code that allow for\r | |
5733 | /// the patching of immediate operands of IA32 and X64 instructions.\r | |
5734 | ///\r | |
5735 | /// While the type is technically defined as a function type (note: not a\r | |
5736 | /// pointer-to-function type), such labels in NASM source code never stand for\r | |
5737 | /// actual functions, and identifiers declared with this function type should\r | |
5738 | /// never be called. This is also why the EFIAPI calling convention specifier\r | |
5739 | /// is missing from the typedef, and why the typedef does not follow the usual\r | |
5740 | /// edk2 coding style for function (or pointer-to-function) typedefs. The VOID\r | |
5741 | /// return type and the VOID argument list are merely artifacts.\r | |
5742 | ///\r | |
5743 | typedef VOID (X86_ASSEMBLY_PATCH_LABEL) (VOID);\r | |
5744 | \r | |
ac644614 | 5745 | /**\r |
5746 | Retrieves CPUID information.\r | |
5747 | \r | |
5748 | Executes the CPUID instruction with EAX set to the value specified by Index.\r | |
5749 | This function always returns Index.\r | |
5750 | If Eax is not NULL, then the value of EAX after CPUID is returned in Eax.\r | |
5751 | If Ebx is not NULL, then the value of EBX after CPUID is returned in Ebx.\r | |
5752 | If Ecx is not NULL, then the value of ECX after CPUID is returned in Ecx.\r | |
5753 | If Edx is not NULL, then the value of EDX after CPUID is returned in Edx.\r | |
030cd1a2 | 5754 | This function is only available on IA-32 and x64.\r |
ac644614 | 5755 | \r |
5756 | @param Index The 32-bit value to load into EAX prior to invoking the CPUID\r | |
5757 | instruction.\r | |
af2dc6a7 | 5758 | @param Eax The pointer to the 32-bit EAX value returned by the CPUID\r |
ac644614 | 5759 | instruction. This is an optional parameter that may be NULL.\r |
af2dc6a7 | 5760 | @param Ebx The pointer to the 32-bit EBX value returned by the CPUID\r |
ac644614 | 5761 | instruction. This is an optional parameter that may be NULL.\r |
af2dc6a7 | 5762 | @param Ecx The pointer to the 32-bit ECX value returned by the CPUID\r |
ac644614 | 5763 | instruction. This is an optional parameter that may be NULL.\r |
af2dc6a7 | 5764 | @param Edx The pointer to the 32-bit EDX value returned by the CPUID\r |
ac644614 | 5765 | instruction. This is an optional parameter that may be NULL.\r |
5766 | \r | |
2fe241a2 | 5767 | @return Index.\r |
ac644614 | 5768 | \r |
5769 | **/\r | |
5770 | UINT32\r | |
5771 | EFIAPI\r | |
5772 | AsmCpuid (\r | |
5773 | IN UINT32 Index,\r | |
5774 | OUT UINT32 *Eax, OPTIONAL\r | |
5775 | OUT UINT32 *Ebx, OPTIONAL\r | |
5776 | OUT UINT32 *Ecx, OPTIONAL\r | |
5777 | OUT UINT32 *Edx OPTIONAL\r | |
5778 | );\r | |
5779 | \r | |
5780 | \r | |
5781 | /**\r | |
5782 | Retrieves CPUID information using an extended leaf identifier.\r | |
5783 | \r | |
5784 | Executes the CPUID instruction with EAX set to the value specified by Index\r | |
5785 | and ECX set to the value specified by SubIndex. This function always returns\r | |
5786 | Index. This function is only available on IA-32 and x64.\r | |
5787 | \r | |
5788 | If Eax is not NULL, then the value of EAX after CPUID is returned in Eax.\r | |
5789 | If Ebx is not NULL, then the value of EBX after CPUID is returned in Ebx.\r | |
5790 | If Ecx is not NULL, then the value of ECX after CPUID is returned in Ecx.\r | |
5791 | If Edx is not NULL, then the value of EDX after CPUID is returned in Edx.\r | |
5792 | \r | |
5793 | @param Index The 32-bit value to load into EAX prior to invoking the\r | |
5794 | CPUID instruction.\r | |
5795 | @param SubIndex The 32-bit value to load into ECX prior to invoking the\r | |
5796 | CPUID instruction.\r | |
af2dc6a7 | 5797 | @param Eax The pointer to the 32-bit EAX value returned by the CPUID\r |
ac644614 | 5798 | instruction. This is an optional parameter that may be\r |
5799 | NULL.\r | |
af2dc6a7 | 5800 | @param Ebx The pointer to the 32-bit EBX value returned by the CPUID\r |
ac644614 | 5801 | instruction. This is an optional parameter that may be\r |
5802 | NULL.\r | |
af2dc6a7 | 5803 | @param Ecx The pointer to the 32-bit ECX value returned by the CPUID\r |
ac644614 | 5804 | instruction. This is an optional parameter that may be\r |
5805 | NULL.\r | |
af2dc6a7 | 5806 | @param Edx The pointer to the 32-bit EDX value returned by the CPUID\r |
ac644614 | 5807 | instruction. This is an optional parameter that may be\r |
5808 | NULL.\r | |
5809 | \r | |
2fe241a2 | 5810 | @return Index.\r |
ac644614 | 5811 | \r |
5812 | **/\r | |
5813 | UINT32\r | |
5814 | EFIAPI\r | |
5815 | AsmCpuidEx (\r | |
5816 | IN UINT32 Index,\r | |
5817 | IN UINT32 SubIndex,\r | |
5818 | OUT UINT32 *Eax, OPTIONAL\r | |
5819 | OUT UINT32 *Ebx, OPTIONAL\r | |
5820 | OUT UINT32 *Ecx, OPTIONAL\r | |
5821 | OUT UINT32 *Edx OPTIONAL\r | |
5822 | );\r | |
5823 | \r | |
5824 | \r | |
be5f1614 | 5825 | /**\r |
5826 | Set CD bit and clear NW bit of CR0 followed by a WBINVD.\r | |
5827 | \r | |
5828 | Disables the caches by setting the CD bit of CR0 to 1, clearing the NW bit of CR0 to 0,\r | |
5829 | and executing a WBINVD instruction. This function is only available on IA-32 and x64.\r | |
5830 | \r | |
5831 | **/\r | |
5832 | VOID\r | |
5833 | EFIAPI\r | |
5834 | AsmDisableCache (\r | |
5835 | VOID\r | |
5836 | );\r | |
5837 | \r | |
5838 | \r | |
5839 | /**\r | |
5840 | Perform a WBINVD and clear both the CD and NW bits of CR0.\r | |
5841 | \r | |
5842 | Enables the caches by executing a WBINVD instruction and then clear both the CD and NW\r | |
5843 | bits of CR0 to 0. This function is only available on IA-32 and x64.\r | |
5844 | \r | |
5845 | **/\r | |
5846 | VOID\r | |
5847 | EFIAPI\r | |
5848 | AsmEnableCache (\r | |
5849 | VOID\r | |
5850 | );\r | |
5851 | \r | |
5852 | \r | |
ac644614 | 5853 | /**\r |
5854 | Returns the lower 32-bits of a Machine Specific Register(MSR).\r | |
5855 | \r | |
5856 | Reads and returns the lower 32-bits of the MSR specified by Index.\r | |
5857 | No parameter checking is performed on Index, and some Index values may cause\r | |
5858 | CPU exceptions. The caller must either guarantee that Index is valid, or the\r | |
5859 | caller must set up exception handlers to catch the exceptions. This function\r | |
030cd1a2 | 5860 | is only available on IA-32 and x64.\r |
ac644614 | 5861 | \r |
5862 | @param Index The 32-bit MSR index to read.\r | |
5863 | \r | |
5864 | @return The lower 32 bits of the MSR identified by Index.\r | |
5865 | \r | |
5866 | **/\r | |
5867 | UINT32\r | |
5868 | EFIAPI\r | |
5869 | AsmReadMsr32 (\r | |
5870 | IN UINT32 Index\r | |
5871 | );\r | |
5872 | \r | |
5873 | \r | |
5874 | /**\r | |
17f695ed | 5875 | Writes a 32-bit value to a Machine Specific Register(MSR), and returns the value.\r |
5876 | The upper 32-bits of the MSR are set to zero.\r | |
ac644614 | 5877 | \r |
5878 | Writes the 32-bit value specified by Value to the MSR specified by Index. The\r | |
5879 | upper 32-bits of the MSR write are set to zero. The 32-bit value written to\r | |
5880 | the MSR is returned. No parameter checking is performed on Index or Value,\r | |
5881 | and some of these may cause CPU exceptions. The caller must either guarantee\r | |
5882 | that Index and Value are valid, or the caller must establish proper exception\r | |
030cd1a2 | 5883 | handlers. This function is only available on IA-32 and x64.\r |
ac644614 | 5884 | \r |
5885 | @param Index The 32-bit MSR index to write.\r | |
5886 | @param Value The 32-bit value to write to the MSR.\r | |
5887 | \r | |
5888 | @return Value\r | |
5889 | \r | |
5890 | **/\r | |
5891 | UINT32\r | |
5892 | EFIAPI\r | |
5893 | AsmWriteMsr32 (\r | |
5894 | IN UINT32 Index,\r | |
5895 | IN UINT32 Value\r | |
5896 | );\r | |
5897 | \r | |
5898 | \r | |
5899 | /**\r | |
62991af2 | 5900 | Reads a 64-bit MSR, performs a bitwise OR on the lower 32-bits, and\r |
ac644614 | 5901 | writes the result back to the 64-bit MSR.\r |
5902 | \r | |
62991af2 | 5903 | Reads the 64-bit MSR specified by Index, performs a bitwise OR\r |
ac644614 | 5904 | between the lower 32-bits of the read result and the value specified by\r |
5905 | OrData, and writes the result to the 64-bit MSR specified by Index. The lower\r | |
5906 | 32-bits of the value written to the MSR is returned. No parameter checking is\r | |
5907 | performed on Index or OrData, and some of these may cause CPU exceptions. The\r | |
5908 | caller must either guarantee that Index and OrData are valid, or the caller\r | |
5909 | must establish proper exception handlers. This function is only available on\r | |
030cd1a2 | 5910 | IA-32 and x64.\r |
ac644614 | 5911 | \r |
5912 | @param Index The 32-bit MSR index to write.\r | |
5913 | @param OrData The value to OR with the read value from the MSR.\r | |
5914 | \r | |
5915 | @return The lower 32-bit value written to the MSR.\r | |
5916 | \r | |
5917 | **/\r | |
5918 | UINT32\r | |
5919 | EFIAPI\r | |
5920 | AsmMsrOr32 (\r | |
5921 | IN UINT32 Index,\r | |
5922 | IN UINT32 OrData\r | |
5923 | );\r | |
5924 | \r | |
5925 | \r | |
5926 | /**\r | |
5927 | Reads a 64-bit MSR, performs a bitwise AND on the lower 32-bits, and writes\r | |
5928 | the result back to the 64-bit MSR.\r | |
5929 | \r | |
5930 | Reads the 64-bit MSR specified by Index, performs a bitwise AND between the\r | |
5931 | lower 32-bits of the read result and the value specified by AndData, and\r | |
5932 | writes the result to the 64-bit MSR specified by Index. The lower 32-bits of\r | |
5933 | the value written to the MSR is returned. No parameter checking is performed\r | |
5934 | on Index or AndData, and some of these may cause CPU exceptions. The caller\r | |
5935 | must either guarantee that Index and AndData are valid, or the caller must\r | |
5936 | establish proper exception handlers. This function is only available on IA-32\r | |
030cd1a2 | 5937 | and x64.\r |
ac644614 | 5938 | \r |
5939 | @param Index The 32-bit MSR index to write.\r | |
5940 | @param AndData The value to AND with the read value from the MSR.\r | |
5941 | \r | |
5942 | @return The lower 32-bit value written to the MSR.\r | |
5943 | \r | |
5944 | **/\r | |
5945 | UINT32\r | |
5946 | EFIAPI\r | |
5947 | AsmMsrAnd32 (\r | |
5948 | IN UINT32 Index,\r | |
5949 | IN UINT32 AndData\r | |
5950 | );\r | |
5951 | \r | |
5952 | \r | |
5953 | /**\r | |
62991af2 | 5954 | Reads a 64-bit MSR, performs a bitwise AND followed by a bitwise OR\r |
ac644614 | 5955 | on the lower 32-bits, and writes the result back to the 64-bit MSR.\r |
5956 | \r | |
5957 | Reads the 64-bit MSR specified by Index, performs a bitwise AND between the\r | |
5958 | lower 32-bits of the read result and the value specified by AndData\r | |
62991af2 | 5959 | preserving the upper 32-bits, performs a bitwise OR between the\r |
ac644614 | 5960 | result of the AND operation and the value specified by OrData, and writes the\r |
5961 | result to the 64-bit MSR specified by Address. The lower 32-bits of the value\r | |
5962 | written to the MSR is returned. No parameter checking is performed on Index,\r | |
5963 | AndData, or OrData, and some of these may cause CPU exceptions. The caller\r | |
5964 | must either guarantee that Index, AndData, and OrData are valid, or the\r | |
5965 | caller must establish proper exception handlers. This function is only\r | |
030cd1a2 | 5966 | available on IA-32 and x64.\r |
ac644614 | 5967 | \r |
5968 | @param Index The 32-bit MSR index to write.\r | |
5969 | @param AndData The value to AND with the read value from the MSR.\r | |
5970 | @param OrData The value to OR with the result of the AND operation.\r | |
5971 | \r | |
5972 | @return The lower 32-bit value written to the MSR.\r | |
5973 | \r | |
5974 | **/\r | |
5975 | UINT32\r | |
5976 | EFIAPI\r | |
5977 | AsmMsrAndThenOr32 (\r | |
5978 | IN UINT32 Index,\r | |
5979 | IN UINT32 AndData,\r | |
5980 | IN UINT32 OrData\r | |
5981 | );\r | |
5982 | \r | |
5983 | \r | |
5984 | /**\r | |
5985 | Reads a bit field of an MSR.\r | |
5986 | \r | |
5987 | Reads the bit field in the lower 32-bits of a 64-bit MSR. The bit field is\r | |
5988 | specified by the StartBit and the EndBit. The value of the bit field is\r | |
5989 | returned. The caller must either guarantee that Index is valid, or the caller\r | |
5990 | must set up exception handlers to catch the exceptions. This function is only\r | |
030cd1a2 | 5991 | available on IA-32 and x64.\r |
ac644614 | 5992 | \r |
5993 | If StartBit is greater than 31, then ASSERT().\r | |
5994 | If EndBit is greater than 31, then ASSERT().\r | |
5995 | If EndBit is less than StartBit, then ASSERT().\r | |
5996 | \r | |
5997 | @param Index The 32-bit MSR index to read.\r | |
5998 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
5999 | Range 0..31.\r | |
6000 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
6001 | Range 0..31.\r | |
6002 | \r | |
6003 | @return The bit field read from the MSR.\r | |
6004 | \r | |
6005 | **/\r | |
6006 | UINT32\r | |
6007 | EFIAPI\r | |
6008 | AsmMsrBitFieldRead32 (\r | |
6009 | IN UINT32 Index,\r | |
6010 | IN UINTN StartBit,\r | |
6011 | IN UINTN EndBit\r | |
6012 | );\r | |
6013 | \r | |
6014 | \r | |
6015 | /**\r | |
6016 | Writes a bit field to an MSR.\r | |
6017 | \r | |
2fe241a2 | 6018 | Writes Value to a bit field in the lower 32-bits of a 64-bit MSR. The bit\r |
ac644614 | 6019 | field is specified by the StartBit and the EndBit. All other bits in the\r |
6020 | destination MSR are preserved. The lower 32-bits of the MSR written is\r | |
9095d37b LG |
6021 | returned. The caller must either guarantee that Index and the data written\r |
6022 | is valid, or the caller must set up exception handlers to catch the exceptions.\r | |
62991af2 | 6023 | This function is only available on IA-32 and x64.\r |
ac644614 | 6024 | \r |
6025 | If StartBit is greater than 31, then ASSERT().\r | |
6026 | If EndBit is greater than 31, then ASSERT().\r | |
6027 | If EndBit is less than StartBit, then ASSERT().\r | |
94952554 | 6028 | If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
ac644614 | 6029 | \r |
6030 | @param Index The 32-bit MSR index to write.\r | |
6031 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
6032 | Range 0..31.\r | |
6033 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
6034 | Range 0..31.\r | |
6035 | @param Value New value of the bit field.\r | |
6036 | \r | |
6037 | @return The lower 32-bit of the value written to the MSR.\r | |
6038 | \r | |
6039 | **/\r | |
6040 | UINT32\r | |
6041 | EFIAPI\r | |
6042 | AsmMsrBitFieldWrite32 (\r | |
6043 | IN UINT32 Index,\r | |
6044 | IN UINTN StartBit,\r | |
6045 | IN UINTN EndBit,\r | |
6046 | IN UINT32 Value\r | |
6047 | );\r | |
6048 | \r | |
6049 | \r | |
6050 | /**\r | |
6051 | Reads a bit field in a 64-bit MSR, performs a bitwise OR, and writes the\r | |
6052 | result back to the bit field in the 64-bit MSR.\r | |
6053 | \r | |
62991af2 | 6054 | Reads the 64-bit MSR specified by Index, performs a bitwise OR\r |
ac644614 | 6055 | between the read result and the value specified by OrData, and writes the\r |
6056 | result to the 64-bit MSR specified by Index. The lower 32-bits of the value\r | |
6057 | written to the MSR are returned. Extra left bits in OrData are stripped. The\r | |
6058 | caller must either guarantee that Index and the data written is valid, or\r | |
6059 | the caller must set up exception handlers to catch the exceptions. This\r | |
030cd1a2 | 6060 | function is only available on IA-32 and x64.\r |
ac644614 | 6061 | \r |
6062 | If StartBit is greater than 31, then ASSERT().\r | |
6063 | If EndBit is greater than 31, then ASSERT().\r | |
6064 | If EndBit is less than StartBit, then ASSERT().\r | |
94952554 | 6065 | If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
ac644614 | 6066 | \r |
6067 | @param Index The 32-bit MSR index to write.\r | |
6068 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
6069 | Range 0..31.\r | |
6070 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
6071 | Range 0..31.\r | |
6072 | @param OrData The value to OR with the read value from the MSR.\r | |
6073 | \r | |
6074 | @return The lower 32-bit of the value written to the MSR.\r | |
6075 | \r | |
6076 | **/\r | |
6077 | UINT32\r | |
6078 | EFIAPI\r | |
6079 | AsmMsrBitFieldOr32 (\r | |
6080 | IN UINT32 Index,\r | |
6081 | IN UINTN StartBit,\r | |
6082 | IN UINTN EndBit,\r | |
6083 | IN UINT32 OrData\r | |
6084 | );\r | |
6085 | \r | |
6086 | \r | |
6087 | /**\r | |
6088 | Reads a bit field in a 64-bit MSR, performs a bitwise AND, and writes the\r | |
6089 | result back to the bit field in the 64-bit MSR.\r | |
6090 | \r | |
6091 | Reads the 64-bit MSR specified by Index, performs a bitwise AND between the\r | |
6092 | read result and the value specified by AndData, and writes the result to the\r | |
6093 | 64-bit MSR specified by Index. The lower 32-bits of the value written to the\r | |
6094 | MSR are returned. Extra left bits in AndData are stripped. The caller must\r | |
6095 | either guarantee that Index and the data written is valid, or the caller must\r | |
6096 | set up exception handlers to catch the exceptions. This function is only\r | |
030cd1a2 | 6097 | available on IA-32 and x64.\r |
ac644614 | 6098 | \r |
6099 | If StartBit is greater than 31, then ASSERT().\r | |
6100 | If EndBit is greater than 31, then ASSERT().\r | |
6101 | If EndBit is less than StartBit, then ASSERT().\r | |
94952554 | 6102 | If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
ac644614 | 6103 | \r |
6104 | @param Index The 32-bit MSR index to write.\r | |
6105 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
6106 | Range 0..31.\r | |
6107 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
6108 | Range 0..31.\r | |
6109 | @param AndData The value to AND with the read value from the MSR.\r | |
6110 | \r | |
6111 | @return The lower 32-bit of the value written to the MSR.\r | |
6112 | \r | |
6113 | **/\r | |
6114 | UINT32\r | |
6115 | EFIAPI\r | |
6116 | AsmMsrBitFieldAnd32 (\r | |
6117 | IN UINT32 Index,\r | |
6118 | IN UINTN StartBit,\r | |
6119 | IN UINTN EndBit,\r | |
6120 | IN UINT32 AndData\r | |
6121 | );\r | |
6122 | \r | |
6123 | \r | |
6124 | /**\r | |
6125 | Reads a bit field in a 64-bit MSR, performs a bitwise AND followed by a\r | |
62991af2 | 6126 | bitwise OR, and writes the result back to the bit field in the\r |
ac644614 | 6127 | 64-bit MSR.\r |
6128 | \r | |
6129 | Reads the 64-bit MSR specified by Index, performs a bitwise AND followed by a\r | |
62991af2 | 6130 | bitwise OR between the read result and the value specified by\r |
ac644614 | 6131 | AndData, and writes the result to the 64-bit MSR specified by Index. The\r |
6132 | lower 32-bits of the value written to the MSR are returned. Extra left bits\r | |
6133 | in both AndData and OrData are stripped. The caller must either guarantee\r | |
6134 | that Index and the data written is valid, or the caller must set up exception\r | |
6135 | handlers to catch the exceptions. This function is only available on IA-32\r | |
030cd1a2 | 6136 | and x64.\r |
ac644614 | 6137 | \r |
6138 | If StartBit is greater than 31, then ASSERT().\r | |
6139 | If EndBit is greater than 31, then ASSERT().\r | |
6140 | If EndBit is less than StartBit, then ASSERT().\r | |
94952554 LG |
6141 | If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
6142 | If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r | |
ac644614 | 6143 | \r |
6144 | @param Index The 32-bit MSR index to write.\r | |
6145 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
6146 | Range 0..31.\r | |
6147 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
6148 | Range 0..31.\r | |
6149 | @param AndData The value to AND with the read value from the MSR.\r | |
6150 | @param OrData The value to OR with the result of the AND operation.\r | |
6151 | \r | |
6152 | @return The lower 32-bit of the value written to the MSR.\r | |
6153 | \r | |
6154 | **/\r | |
6155 | UINT32\r | |
6156 | EFIAPI\r | |
6157 | AsmMsrBitFieldAndThenOr32 (\r | |
6158 | IN UINT32 Index,\r | |
6159 | IN UINTN StartBit,\r | |
6160 | IN UINTN EndBit,\r | |
6161 | IN UINT32 AndData,\r | |
6162 | IN UINT32 OrData\r | |
6163 | );\r | |
6164 | \r | |
6165 | \r | |
6166 | /**\r | |
6167 | Returns a 64-bit Machine Specific Register(MSR).\r | |
6168 | \r | |
6169 | Reads and returns the 64-bit MSR specified by Index. No parameter checking is\r | |
6170 | performed on Index, and some Index values may cause CPU exceptions. The\r | |
6171 | caller must either guarantee that Index is valid, or the caller must set up\r | |
6172 | exception handlers to catch the exceptions. This function is only available\r | |
030cd1a2 | 6173 | on IA-32 and x64.\r |
ac644614 | 6174 | \r |
6175 | @param Index The 32-bit MSR index to read.\r | |
6176 | \r | |
6177 | @return The value of the MSR identified by Index.\r | |
6178 | \r | |
6179 | **/\r | |
6180 | UINT64\r | |
6181 | EFIAPI\r | |
6182 | AsmReadMsr64 (\r | |
6183 | IN UINT32 Index\r | |
6184 | );\r | |
6185 | \r | |
6186 | \r | |
6187 | /**\r | |
6188 | Writes a 64-bit value to a Machine Specific Register(MSR), and returns the\r | |
6189 | value.\r | |
6190 | \r | |
6191 | Writes the 64-bit value specified by Value to the MSR specified by Index. The\r | |
6192 | 64-bit value written to the MSR is returned. No parameter checking is\r | |
6193 | performed on Index or Value, and some of these may cause CPU exceptions. The\r | |
6194 | caller must either guarantee that Index and Value are valid, or the caller\r | |
6195 | must establish proper exception handlers. This function is only available on\r | |
030cd1a2 | 6196 | IA-32 and x64.\r |
ac644614 | 6197 | \r |
6198 | @param Index The 32-bit MSR index to write.\r | |
6199 | @param Value The 64-bit value to write to the MSR.\r | |
6200 | \r | |
6201 | @return Value\r | |
6202 | \r | |
6203 | **/\r | |
6204 | UINT64\r | |
6205 | EFIAPI\r | |
6206 | AsmWriteMsr64 (\r | |
6207 | IN UINT32 Index,\r | |
6208 | IN UINT64 Value\r | |
6209 | );\r | |
6210 | \r | |
6211 | \r | |
6212 | /**\r | |
62991af2 | 6213 | Reads a 64-bit MSR, performs a bitwise OR, and writes the result\r |
ac644614 | 6214 | back to the 64-bit MSR.\r |
6215 | \r | |
62991af2 | 6216 | Reads the 64-bit MSR specified by Index, performs a bitwise OR\r |
ac644614 | 6217 | between the read result and the value specified by OrData, and writes the\r |
6218 | result to the 64-bit MSR specified by Index. The value written to the MSR is\r | |
6219 | returned. No parameter checking is performed on Index or OrData, and some of\r | |
6220 | these may cause CPU exceptions. The caller must either guarantee that Index\r | |
6221 | and OrData are valid, or the caller must establish proper exception handlers.\r | |
030cd1a2 | 6222 | This function is only available on IA-32 and x64.\r |
ac644614 | 6223 | \r |
6224 | @param Index The 32-bit MSR index to write.\r | |
6225 | @param OrData The value to OR with the read value from the MSR.\r | |
6226 | \r | |
6227 | @return The value written back to the MSR.\r | |
6228 | \r | |
6229 | **/\r | |
6230 | UINT64\r | |
6231 | EFIAPI\r | |
6232 | AsmMsrOr64 (\r | |
6233 | IN UINT32 Index,\r | |
6234 | IN UINT64 OrData\r | |
6235 | );\r | |
6236 | \r | |
6237 | \r | |
6238 | /**\r | |
6239 | Reads a 64-bit MSR, performs a bitwise AND, and writes the result back to the\r | |
6240 | 64-bit MSR.\r | |
6241 | \r | |
6242 | Reads the 64-bit MSR specified by Index, performs a bitwise AND between the\r | |
6243 | read result and the value specified by OrData, and writes the result to the\r | |
6244 | 64-bit MSR specified by Index. The value written to the MSR is returned. No\r | |
6245 | parameter checking is performed on Index or OrData, and some of these may\r | |
6246 | cause CPU exceptions. The caller must either guarantee that Index and OrData\r | |
6247 | are valid, or the caller must establish proper exception handlers. This\r | |
030cd1a2 | 6248 | function is only available on IA-32 and x64.\r |
ac644614 | 6249 | \r |
6250 | @param Index The 32-bit MSR index to write.\r | |
6251 | @param AndData The value to AND with the read value from the MSR.\r | |
6252 | \r | |
6253 | @return The value written back to the MSR.\r | |
6254 | \r | |
6255 | **/\r | |
6256 | UINT64\r | |
6257 | EFIAPI\r | |
6258 | AsmMsrAnd64 (\r | |
6259 | IN UINT32 Index,\r | |
6260 | IN UINT64 AndData\r | |
6261 | );\r | |
6262 | \r | |
6263 | \r | |
6264 | /**\r | |
9095d37b | 6265 | Reads a 64-bit MSR, performs a bitwise AND followed by a bitwise\r |
ac644614 | 6266 | OR, and writes the result back to the 64-bit MSR.\r |
6267 | \r | |
6268 | Reads the 64-bit MSR specified by Index, performs a bitwise AND between read\r | |
62991af2 | 6269 | result and the value specified by AndData, performs a bitwise OR\r |
ac644614 | 6270 | between the result of the AND operation and the value specified by OrData,\r |
6271 | and writes the result to the 64-bit MSR specified by Index. The value written\r | |
6272 | to the MSR is returned. No parameter checking is performed on Index, AndData,\r | |
6273 | or OrData, and some of these may cause CPU exceptions. The caller must either\r | |
6274 | guarantee that Index, AndData, and OrData are valid, or the caller must\r | |
6275 | establish proper exception handlers. This function is only available on IA-32\r | |
030cd1a2 | 6276 | and x64.\r |
ac644614 | 6277 | \r |
6278 | @param Index The 32-bit MSR index to write.\r | |
6279 | @param AndData The value to AND with the read value from the MSR.\r | |
6280 | @param OrData The value to OR with the result of the AND operation.\r | |
6281 | \r | |
6282 | @return The value written back to the MSR.\r | |
6283 | \r | |
6284 | **/\r | |
6285 | UINT64\r | |
6286 | EFIAPI\r | |
6287 | AsmMsrAndThenOr64 (\r | |
6288 | IN UINT32 Index,\r | |
6289 | IN UINT64 AndData,\r | |
6290 | IN UINT64 OrData\r | |
6291 | );\r | |
6292 | \r | |
6293 | \r | |
6294 | /**\r | |
6295 | Reads a bit field of an MSR.\r | |
6296 | \r | |
6297 | Reads the bit field in the 64-bit MSR. The bit field is specified by the\r | |
6298 | StartBit and the EndBit. The value of the bit field is returned. The caller\r | |
6299 | must either guarantee that Index is valid, or the caller must set up\r | |
6300 | exception handlers to catch the exceptions. This function is only available\r | |
030cd1a2 | 6301 | on IA-32 and x64.\r |
ac644614 | 6302 | \r |
6303 | If StartBit is greater than 63, then ASSERT().\r | |
6304 | If EndBit is greater than 63, then ASSERT().\r | |
6305 | If EndBit is less than StartBit, then ASSERT().\r | |
6306 | \r | |
6307 | @param Index The 32-bit MSR index to read.\r | |
6308 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
6309 | Range 0..63.\r | |
6310 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
6311 | Range 0..63.\r | |
6312 | \r | |
6313 | @return The value read from the MSR.\r | |
6314 | \r | |
6315 | **/\r | |
6316 | UINT64\r | |
6317 | EFIAPI\r | |
6318 | AsmMsrBitFieldRead64 (\r | |
6319 | IN UINT32 Index,\r | |
6320 | IN UINTN StartBit,\r | |
6321 | IN UINTN EndBit\r | |
6322 | );\r | |
6323 | \r | |
6324 | \r | |
6325 | /**\r | |
6326 | Writes a bit field to an MSR.\r | |
6327 | \r | |
6328 | Writes Value to a bit field in a 64-bit MSR. The bit field is specified by\r | |
6329 | the StartBit and the EndBit. All other bits in the destination MSR are\r | |
9095d37b LG |
6330 | preserved. The MSR written is returned. The caller must either guarantee\r |
6331 | that Index and the data written is valid, or the caller must set up exception\r | |
62991af2 | 6332 | handlers to catch the exceptions. This function is only available on IA-32 and x64.\r |
ac644614 | 6333 | \r |
6334 | If StartBit is greater than 63, then ASSERT().\r | |
6335 | If EndBit is greater than 63, then ASSERT().\r | |
6336 | If EndBit is less than StartBit, then ASSERT().\r | |
94952554 | 6337 | If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
ac644614 | 6338 | \r |
6339 | @param Index The 32-bit MSR index to write.\r | |
6340 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
6341 | Range 0..63.\r | |
6342 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
6343 | Range 0..63.\r | |
6344 | @param Value New value of the bit field.\r | |
6345 | \r | |
6346 | @return The value written back to the MSR.\r | |
6347 | \r | |
6348 | **/\r | |
6349 | UINT64\r | |
6350 | EFIAPI\r | |
6351 | AsmMsrBitFieldWrite64 (\r | |
6352 | IN UINT32 Index,\r | |
6353 | IN UINTN StartBit,\r | |
6354 | IN UINTN EndBit,\r | |
6355 | IN UINT64 Value\r | |
6356 | );\r | |
6357 | \r | |
6358 | \r | |
6359 | /**\r | |
62991af2 | 6360 | Reads a bit field in a 64-bit MSR, performs a bitwise OR, and\r |
ac644614 | 6361 | writes the result back to the bit field in the 64-bit MSR.\r |
6362 | \r | |
62991af2 | 6363 | Reads the 64-bit MSR specified by Index, performs a bitwise OR\r |
ac644614 | 6364 | between the read result and the value specified by OrData, and writes the\r |
6365 | result to the 64-bit MSR specified by Index. The value written to the MSR is\r | |
6366 | returned. Extra left bits in OrData are stripped. The caller must either\r | |
6367 | guarantee that Index and the data written is valid, or the caller must set up\r | |
6368 | exception handlers to catch the exceptions. This function is only available\r | |
030cd1a2 | 6369 | on IA-32 and x64.\r |
ac644614 | 6370 | \r |
6371 | If StartBit is greater than 63, then ASSERT().\r | |
6372 | If EndBit is greater than 63, then ASSERT().\r | |
6373 | If EndBit is less than StartBit, then ASSERT().\r | |
94952554 | 6374 | If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
ac644614 | 6375 | \r |
6376 | @param Index The 32-bit MSR index to write.\r | |
6377 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
6378 | Range 0..63.\r | |
6379 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
6380 | Range 0..63.\r | |
6381 | @param OrData The value to OR with the read value from the bit field.\r | |
6382 | \r | |
6383 | @return The value written back to the MSR.\r | |
6384 | \r | |
6385 | **/\r | |
6386 | UINT64\r | |
6387 | EFIAPI\r | |
6388 | AsmMsrBitFieldOr64 (\r | |
6389 | IN UINT32 Index,\r | |
6390 | IN UINTN StartBit,\r | |
6391 | IN UINTN EndBit,\r | |
6392 | IN UINT64 OrData\r | |
6393 | );\r | |
6394 | \r | |
6395 | \r | |
6396 | /**\r | |
6397 | Reads a bit field in a 64-bit MSR, performs a bitwise AND, and writes the\r | |
6398 | result back to the bit field in the 64-bit MSR.\r | |
6399 | \r | |
6400 | Reads the 64-bit MSR specified by Index, performs a bitwise AND between the\r | |
6401 | read result and the value specified by AndData, and writes the result to the\r | |
6402 | 64-bit MSR specified by Index. The value written to the MSR is returned.\r | |
6403 | Extra left bits in AndData are stripped. The caller must either guarantee\r | |
6404 | that Index and the data written is valid, or the caller must set up exception\r | |
6405 | handlers to catch the exceptions. This function is only available on IA-32\r | |
030cd1a2 | 6406 | and x64.\r |
ac644614 | 6407 | \r |
6408 | If StartBit is greater than 63, then ASSERT().\r | |
6409 | If EndBit is greater than 63, then ASSERT().\r | |
6410 | If EndBit is less than StartBit, then ASSERT().\r | |
94952554 | 6411 | If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
ac644614 | 6412 | \r |
6413 | @param Index The 32-bit MSR index to write.\r | |
6414 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
6415 | Range 0..63.\r | |
6416 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
6417 | Range 0..63.\r | |
6418 | @param AndData The value to AND with the read value from the bit field.\r | |
6419 | \r | |
6420 | @return The value written back to the MSR.\r | |
6421 | \r | |
6422 | **/\r | |
6423 | UINT64\r | |
6424 | EFIAPI\r | |
6425 | AsmMsrBitFieldAnd64 (\r | |
6426 | IN UINT32 Index,\r | |
6427 | IN UINTN StartBit,\r | |
6428 | IN UINTN EndBit,\r | |
6429 | IN UINT64 AndData\r | |
6430 | );\r | |
6431 | \r | |
6432 | \r | |
6433 | /**\r | |
6434 | Reads a bit field in a 64-bit MSR, performs a bitwise AND followed by a\r | |
62991af2 | 6435 | bitwise OR, and writes the result back to the bit field in the\r |
ac644614 | 6436 | 64-bit MSR.\r |
6437 | \r | |
6438 | Reads the 64-bit MSR specified by Index, performs a bitwise AND followed by\r | |
62991af2 | 6439 | a bitwise OR between the read result and the value specified by\r |
ac644614 | 6440 | AndData, and writes the result to the 64-bit MSR specified by Index. The\r |
6441 | value written to the MSR is returned. Extra left bits in both AndData and\r | |
6442 | OrData are stripped. The caller must either guarantee that Index and the data\r | |
6443 | written is valid, or the caller must set up exception handlers to catch the\r | |
030cd1a2 | 6444 | exceptions. This function is only available on IA-32 and x64.\r |
ac644614 | 6445 | \r |
6446 | If StartBit is greater than 63, then ASSERT().\r | |
6447 | If EndBit is greater than 63, then ASSERT().\r | |
6448 | If EndBit is less than StartBit, then ASSERT().\r | |
94952554 LG |
6449 | If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
6450 | If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r | |
ac644614 | 6451 | \r |
6452 | @param Index The 32-bit MSR index to write.\r | |
6453 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
6454 | Range 0..63.\r | |
6455 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
6456 | Range 0..63.\r | |
6457 | @param AndData The value to AND with the read value from the bit field.\r | |
6458 | @param OrData The value to OR with the result of the AND operation.\r | |
6459 | \r | |
6460 | @return The value written back to the MSR.\r | |
6461 | \r | |
6462 | **/\r | |
6463 | UINT64\r | |
6464 | EFIAPI\r | |
6465 | AsmMsrBitFieldAndThenOr64 (\r | |
6466 | IN UINT32 Index,\r | |
6467 | IN UINTN StartBit,\r | |
6468 | IN UINTN EndBit,\r | |
6469 | IN UINT64 AndData,\r | |
6470 | IN UINT64 OrData\r | |
6471 | );\r | |
6472 | \r | |
6473 | \r | |
6474 | /**\r | |
6475 | Reads the current value of the EFLAGS register.\r | |
6476 | \r | |
6477 | Reads and returns the current value of the EFLAGS register. This function is\r | |
030cd1a2 | 6478 | only available on IA-32 and x64. This returns a 32-bit value on IA-32 and a\r |
6479 | 64-bit value on x64.\r | |
ac644614 | 6480 | \r |
030cd1a2 | 6481 | @return EFLAGS on IA-32 or RFLAGS on x64.\r |
ac644614 | 6482 | \r |
6483 | **/\r | |
6484 | UINTN\r | |
6485 | EFIAPI\r | |
6486 | AsmReadEflags (\r | |
6487 | VOID\r | |
6488 | );\r | |
6489 | \r | |
6490 | \r | |
6491 | /**\r | |
6492 | Reads the current value of the Control Register 0 (CR0).\r | |
6493 | \r | |
6494 | Reads and returns the current value of CR0. This function is only available\r | |
030cd1a2 | 6495 | on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on\r |
6496 | x64.\r | |
ac644614 | 6497 | \r |
6498 | @return The value of the Control Register 0 (CR0).\r | |
6499 | \r | |
6500 | **/\r | |
6501 | UINTN\r | |
6502 | EFIAPI\r | |
6503 | AsmReadCr0 (\r | |
6504 | VOID\r | |
6505 | );\r | |
6506 | \r | |
6507 | \r | |
6508 | /**\r | |
6509 | Reads the current value of the Control Register 2 (CR2).\r | |
6510 | \r | |
6511 | Reads and returns the current value of CR2. This function is only available\r | |
030cd1a2 | 6512 | on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on\r |
6513 | x64.\r | |
ac644614 | 6514 | \r |
6515 | @return The value of the Control Register 2 (CR2).\r | |
6516 | \r | |
6517 | **/\r | |
6518 | UINTN\r | |
6519 | EFIAPI\r | |
6520 | AsmReadCr2 (\r | |
6521 | VOID\r | |
6522 | );\r | |
6523 | \r | |
6524 | \r | |
6525 | /**\r | |
6526 | Reads the current value of the Control Register 3 (CR3).\r | |
6527 | \r | |
6528 | Reads and returns the current value of CR3. This function is only available\r | |
030cd1a2 | 6529 | on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on\r |
6530 | x64.\r | |
ac644614 | 6531 | \r |
6532 | @return The value of the Control Register 3 (CR3).\r | |
6533 | \r | |
6534 | **/\r | |
6535 | UINTN\r | |
6536 | EFIAPI\r | |
6537 | AsmReadCr3 (\r | |
6538 | VOID\r | |
6539 | );\r | |
6540 | \r | |
6541 | \r | |
6542 | /**\r | |
6543 | Reads the current value of the Control Register 4 (CR4).\r | |
6544 | \r | |
6545 | Reads and returns the current value of CR4. This function is only available\r | |
030cd1a2 | 6546 | on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on\r |
6547 | x64.\r | |
ac644614 | 6548 | \r |
6549 | @return The value of the Control Register 4 (CR4).\r | |
6550 | \r | |
6551 | **/\r | |
6552 | UINTN\r | |
6553 | EFIAPI\r | |
6554 | AsmReadCr4 (\r | |
6555 | VOID\r | |
6556 | );\r | |
6557 | \r | |
6558 | \r | |
6559 | /**\r | |
6560 | Writes a value to Control Register 0 (CR0).\r | |
6561 | \r | |
6562 | Writes and returns a new value to CR0. This function is only available on\r | |
030cd1a2 | 6563 | IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64.\r |
ac644614 | 6564 | \r |
6565 | @param Cr0 The value to write to CR0.\r | |
6566 | \r | |
6567 | @return The value written to CR0.\r | |
6568 | \r | |
6569 | **/\r | |
6570 | UINTN\r | |
6571 | EFIAPI\r | |
6572 | AsmWriteCr0 (\r | |
6573 | UINTN Cr0\r | |
6574 | );\r | |
6575 | \r | |
6576 | \r | |
6577 | /**\r | |
6578 | Writes a value to Control Register 2 (CR2).\r | |
6579 | \r | |
6580 | Writes and returns a new value to CR2. This function is only available on\r | |
030cd1a2 | 6581 | IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64.\r |
ac644614 | 6582 | \r |
6583 | @param Cr2 The value to write to CR2.\r | |
6584 | \r | |
6585 | @return The value written to CR2.\r | |
6586 | \r | |
6587 | **/\r | |
6588 | UINTN\r | |
6589 | EFIAPI\r | |
6590 | AsmWriteCr2 (\r | |
6591 | UINTN Cr2\r | |
6592 | );\r | |
6593 | \r | |
6594 | \r | |
6595 | /**\r | |
6596 | Writes a value to Control Register 3 (CR3).\r | |
6597 | \r | |
6598 | Writes and returns a new value to CR3. This function is only available on\r | |
030cd1a2 | 6599 | IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64.\r |
ac644614 | 6600 | \r |
6601 | @param Cr3 The value to write to CR3.\r | |
6602 | \r | |
6603 | @return The value written to CR3.\r | |
6604 | \r | |
6605 | **/\r | |
6606 | UINTN\r | |
6607 | EFIAPI\r | |
6608 | AsmWriteCr3 (\r | |
6609 | UINTN Cr3\r | |
6610 | );\r | |
6611 | \r | |
6612 | \r | |
6613 | /**\r | |
6614 | Writes a value to Control Register 4 (CR4).\r | |
6615 | \r | |
6616 | Writes and returns a new value to CR4. This function is only available on\r | |
030cd1a2 | 6617 | IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64.\r |
ac644614 | 6618 | \r |
6619 | @param Cr4 The value to write to CR4.\r | |
6620 | \r | |
6621 | @return The value written to CR4.\r | |
6622 | \r | |
6623 | **/\r | |
6624 | UINTN\r | |
6625 | EFIAPI\r | |
6626 | AsmWriteCr4 (\r | |
6627 | UINTN Cr4\r | |
6628 | );\r | |
6629 | \r | |
6630 | \r | |
6631 | /**\r | |
6632 | Reads the current value of Debug Register 0 (DR0).\r | |
6633 | \r | |
6634 | Reads and returns the current value of DR0. This function is only available\r | |
030cd1a2 | 6635 | on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on\r |
6636 | x64.\r | |
ac644614 | 6637 | \r |
6638 | @return The value of Debug Register 0 (DR0).\r | |
6639 | \r | |
6640 | **/\r | |
6641 | UINTN\r | |
6642 | EFIAPI\r | |
6643 | AsmReadDr0 (\r | |
6644 | VOID\r | |
6645 | );\r | |
6646 | \r | |
6647 | \r | |
6648 | /**\r | |
6649 | Reads the current value of Debug Register 1 (DR1).\r | |
6650 | \r | |
6651 | Reads and returns the current value of DR1. This function is only available\r | |
030cd1a2 | 6652 | on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on\r |
6653 | x64.\r | |
ac644614 | 6654 | \r |
6655 | @return The value of Debug Register 1 (DR1).\r | |
6656 | \r | |
6657 | **/\r | |
6658 | UINTN\r | |
6659 | EFIAPI\r | |
6660 | AsmReadDr1 (\r | |
6661 | VOID\r | |
6662 | );\r | |
6663 | \r | |
6664 | \r | |
6665 | /**\r | |
6666 | Reads the current value of Debug Register 2 (DR2).\r | |
6667 | \r | |
6668 | Reads and returns the current value of DR2. This function is only available\r | |
030cd1a2 | 6669 | on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on\r |
6670 | x64.\r | |
ac644614 | 6671 | \r |
6672 | @return The value of Debug Register 2 (DR2).\r | |
6673 | \r | |
6674 | **/\r | |
6675 | UINTN\r | |
6676 | EFIAPI\r | |
6677 | AsmReadDr2 (\r | |
6678 | VOID\r | |
6679 | );\r | |
6680 | \r | |
6681 | \r | |
6682 | /**\r | |
6683 | Reads the current value of Debug Register 3 (DR3).\r | |
6684 | \r | |
6685 | Reads and returns the current value of DR3. This function is only available\r | |
030cd1a2 | 6686 | on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on\r |
6687 | x64.\r | |
ac644614 | 6688 | \r |
6689 | @return The value of Debug Register 3 (DR3).\r | |
6690 | \r | |
6691 | **/\r | |
6692 | UINTN\r | |
6693 | EFIAPI\r | |
6694 | AsmReadDr3 (\r | |
6695 | VOID\r | |
6696 | );\r | |
6697 | \r | |
6698 | \r | |
6699 | /**\r | |
6700 | Reads the current value of Debug Register 4 (DR4).\r | |
6701 | \r | |
6702 | Reads and returns the current value of DR4. This function is only available\r | |
030cd1a2 | 6703 | on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on\r |
6704 | x64.\r | |
ac644614 | 6705 | \r |
6706 | @return The value of Debug Register 4 (DR4).\r | |
6707 | \r | |
6708 | **/\r | |
6709 | UINTN\r | |
6710 | EFIAPI\r | |
6711 | AsmReadDr4 (\r | |
6712 | VOID\r | |
6713 | );\r | |
6714 | \r | |
6715 | \r | |
6716 | /**\r | |
6717 | Reads the current value of Debug Register 5 (DR5).\r | |
6718 | \r | |
6719 | Reads and returns the current value of DR5. This function is only available\r | |
030cd1a2 | 6720 | on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on\r |
6721 | x64.\r | |
ac644614 | 6722 | \r |
6723 | @return The value of Debug Register 5 (DR5).\r | |
6724 | \r | |
6725 | **/\r | |
6726 | UINTN\r | |
6727 | EFIAPI\r | |
6728 | AsmReadDr5 (\r | |
6729 | VOID\r | |
6730 | );\r | |
6731 | \r | |
6732 | \r | |
6733 | /**\r | |
6734 | Reads the current value of Debug Register 6 (DR6).\r | |
6735 | \r | |
6736 | Reads and returns the current value of DR6. This function is only available\r | |
030cd1a2 | 6737 | on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on\r |
6738 | x64.\r | |
ac644614 | 6739 | \r |
6740 | @return The value of Debug Register 6 (DR6).\r | |
6741 | \r | |
6742 | **/\r | |
6743 | UINTN\r | |
6744 | EFIAPI\r | |
6745 | AsmReadDr6 (\r | |
6746 | VOID\r | |
6747 | );\r | |
6748 | \r | |
6749 | \r | |
6750 | /**\r | |
6751 | Reads the current value of Debug Register 7 (DR7).\r | |
6752 | \r | |
6753 | Reads and returns the current value of DR7. This function is only available\r | |
030cd1a2 | 6754 | on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on\r |
6755 | x64.\r | |
ac644614 | 6756 | \r |
6757 | @return The value of Debug Register 7 (DR7).\r | |
6758 | \r | |
6759 | **/\r | |
6760 | UINTN\r | |
6761 | EFIAPI\r | |
6762 | AsmReadDr7 (\r | |
6763 | VOID\r | |
6764 | );\r | |
6765 | \r | |
6766 | \r | |
6767 | /**\r | |
6768 | Writes a value to Debug Register 0 (DR0).\r | |
6769 | \r | |
6770 | Writes and returns a new value to DR0. This function is only available on\r | |
030cd1a2 | 6771 | IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64.\r |
ac644614 | 6772 | \r |
6773 | @param Dr0 The value to write to Dr0.\r | |
6774 | \r | |
6775 | @return The value written to Debug Register 0 (DR0).\r | |
6776 | \r | |
6777 | **/\r | |
6778 | UINTN\r | |
6779 | EFIAPI\r | |
6780 | AsmWriteDr0 (\r | |
6781 | UINTN Dr0\r | |
6782 | );\r | |
6783 | \r | |
6784 | \r | |
6785 | /**\r | |
6786 | Writes a value to Debug Register 1 (DR1).\r | |
6787 | \r | |
6788 | Writes and returns a new value to DR1. This function is only available on\r | |
030cd1a2 | 6789 | IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64.\r |
ac644614 | 6790 | \r |
6791 | @param Dr1 The value to write to Dr1.\r | |
6792 | \r | |
6793 | @return The value written to Debug Register 1 (DR1).\r | |
6794 | \r | |
6795 | **/\r | |
6796 | UINTN\r | |
6797 | EFIAPI\r | |
6798 | AsmWriteDr1 (\r | |
6799 | UINTN Dr1\r | |
6800 | );\r | |
6801 | \r | |
6802 | \r | |
6803 | /**\r | |
6804 | Writes a value to Debug Register 2 (DR2).\r | |
6805 | \r | |
6806 | Writes and returns a new value to DR2. This function is only available on\r | |
030cd1a2 | 6807 | IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64.\r |
ac644614 | 6808 | \r |
6809 | @param Dr2 The value to write to Dr2.\r | |
6810 | \r | |
6811 | @return The value written to Debug Register 2 (DR2).\r | |
6812 | \r | |
6813 | **/\r | |
6814 | UINTN\r | |
6815 | EFIAPI\r | |
6816 | AsmWriteDr2 (\r | |
6817 | UINTN Dr2\r | |
6818 | );\r | |
6819 | \r | |
6820 | \r | |
6821 | /**\r | |
6822 | Writes a value to Debug Register 3 (DR3).\r | |
6823 | \r | |
6824 | Writes and returns a new value to DR3. This function is only available on\r | |
030cd1a2 | 6825 | IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64.\r |
ac644614 | 6826 | \r |
6827 | @param Dr3 The value to write to Dr3.\r | |
6828 | \r | |
6829 | @return The value written to Debug Register 3 (DR3).\r | |
6830 | \r | |
6831 | **/\r | |
6832 | UINTN\r | |
6833 | EFIAPI\r | |
6834 | AsmWriteDr3 (\r | |
6835 | UINTN Dr3\r | |
6836 | );\r | |
6837 | \r | |
6838 | \r | |
6839 | /**\r | |
6840 | Writes a value to Debug Register 4 (DR4).\r | |
6841 | \r | |
6842 | Writes and returns a new value to DR4. This function is only available on\r | |
030cd1a2 | 6843 | IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64.\r |
ac644614 | 6844 | \r |
6845 | @param Dr4 The value to write to Dr4.\r | |
6846 | \r | |
6847 | @return The value written to Debug Register 4 (DR4).\r | |
6848 | \r | |
6849 | **/\r | |
6850 | UINTN\r | |
6851 | EFIAPI\r | |
6852 | AsmWriteDr4 (\r | |
6853 | UINTN Dr4\r | |
6854 | );\r | |
6855 | \r | |
6856 | \r | |
6857 | /**\r | |
6858 | Writes a value to Debug Register 5 (DR5).\r | |
6859 | \r | |
6860 | Writes and returns a new value to DR5. This function is only available on\r | |
030cd1a2 | 6861 | IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64.\r |
ac644614 | 6862 | \r |
6863 | @param Dr5 The value to write to Dr5.\r | |
6864 | \r | |
6865 | @return The value written to Debug Register 5 (DR5).\r | |
6866 | \r | |
6867 | **/\r | |
6868 | UINTN\r | |
6869 | EFIAPI\r | |
6870 | AsmWriteDr5 (\r | |
6871 | UINTN Dr5\r | |
6872 | );\r | |
6873 | \r | |
6874 | \r | |
6875 | /**\r | |
6876 | Writes a value to Debug Register 6 (DR6).\r | |
6877 | \r | |
6878 | Writes and returns a new value to DR6. This function is only available on\r | |
030cd1a2 | 6879 | IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64.\r |
ac644614 | 6880 | \r |
6881 | @param Dr6 The value to write to Dr6.\r | |
6882 | \r | |
6883 | @return The value written to Debug Register 6 (DR6).\r | |
6884 | \r | |
6885 | **/\r | |
6886 | UINTN\r | |
6887 | EFIAPI\r | |
6888 | AsmWriteDr6 (\r | |
6889 | UINTN Dr6\r | |
6890 | );\r | |
6891 | \r | |
6892 | \r | |
6893 | /**\r | |
6894 | Writes a value to Debug Register 7 (DR7).\r | |
6895 | \r | |
6896 | Writes and returns a new value to DR7. This function is only available on\r | |
030cd1a2 | 6897 | IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64.\r |
ac644614 | 6898 | \r |
6899 | @param Dr7 The value to write to Dr7.\r | |
6900 | \r | |
6901 | @return The value written to Debug Register 7 (DR7).\r | |
6902 | \r | |
6903 | **/\r | |
6904 | UINTN\r | |
6905 | EFIAPI\r | |
6906 | AsmWriteDr7 (\r | |
6907 | UINTN Dr7\r | |
6908 | );\r | |
6909 | \r | |
6910 | \r | |
6911 | /**\r | |
6912 | Reads the current value of Code Segment Register (CS).\r | |
6913 | \r | |
6914 | Reads and returns the current value of CS. This function is only available on\r | |
030cd1a2 | 6915 | IA-32 and x64.\r |
ac644614 | 6916 | \r |
6917 | @return The current value of CS.\r | |
6918 | \r | |
6919 | **/\r | |
6920 | UINT16\r | |
6921 | EFIAPI\r | |
6922 | AsmReadCs (\r | |
6923 | VOID\r | |
6924 | );\r | |
6925 | \r | |
6926 | \r | |
6927 | /**\r | |
6928 | Reads the current value of Data Segment Register (DS).\r | |
6929 | \r | |
6930 | Reads and returns the current value of DS. This function is only available on\r | |
030cd1a2 | 6931 | IA-32 and x64.\r |
ac644614 | 6932 | \r |
6933 | @return The current value of DS.\r | |
6934 | \r | |
6935 | **/\r | |
6936 | UINT16\r | |
6937 | EFIAPI\r | |
6938 | AsmReadDs (\r | |
6939 | VOID\r | |
6940 | );\r | |
6941 | \r | |
6942 | \r | |
6943 | /**\r | |
6944 | Reads the current value of Extra Segment Register (ES).\r | |
6945 | \r | |
6946 | Reads and returns the current value of ES. This function is only available on\r | |
030cd1a2 | 6947 | IA-32 and x64.\r |
ac644614 | 6948 | \r |
6949 | @return The current value of ES.\r | |
6950 | \r | |
6951 | **/\r | |
6952 | UINT16\r | |
6953 | EFIAPI\r | |
6954 | AsmReadEs (\r | |
6955 | VOID\r | |
6956 | );\r | |
6957 | \r | |
6958 | \r | |
6959 | /**\r | |
6960 | Reads the current value of FS Data Segment Register (FS).\r | |
6961 | \r | |
6962 | Reads and returns the current value of FS. This function is only available on\r | |
030cd1a2 | 6963 | IA-32 and x64.\r |
ac644614 | 6964 | \r |
6965 | @return The current value of FS.\r | |
6966 | \r | |
6967 | **/\r | |
6968 | UINT16\r | |
6969 | EFIAPI\r | |
6970 | AsmReadFs (\r | |
6971 | VOID\r | |
6972 | );\r | |
6973 | \r | |
6974 | \r | |
6975 | /**\r | |
6976 | Reads the current value of GS Data Segment Register (GS).\r | |
6977 | \r | |
6978 | Reads and returns the current value of GS. This function is only available on\r | |
030cd1a2 | 6979 | IA-32 and x64.\r |
ac644614 | 6980 | \r |
6981 | @return The current value of GS.\r | |
6982 | \r | |
6983 | **/\r | |
6984 | UINT16\r | |
6985 | EFIAPI\r | |
6986 | AsmReadGs (\r | |
6987 | VOID\r | |
6988 | );\r | |
6989 | \r | |
6990 | \r | |
6991 | /**\r | |
6992 | Reads the current value of Stack Segment Register (SS).\r | |
6993 | \r | |
6994 | Reads and returns the current value of SS. This function is only available on\r | |
030cd1a2 | 6995 | IA-32 and x64.\r |
ac644614 | 6996 | \r |
6997 | @return The current value of SS.\r | |
6998 | \r | |
6999 | **/\r | |
7000 | UINT16\r | |
7001 | EFIAPI\r | |
7002 | AsmReadSs (\r | |
7003 | VOID\r | |
7004 | );\r | |
7005 | \r | |
7006 | \r | |
7007 | /**\r | |
7008 | Reads the current value of Task Register (TR).\r | |
7009 | \r | |
7010 | Reads and returns the current value of TR. This function is only available on\r | |
030cd1a2 | 7011 | IA-32 and x64.\r |
ac644614 | 7012 | \r |
7013 | @return The current value of TR.\r | |
7014 | \r | |
7015 | **/\r | |
7016 | UINT16\r | |
7017 | EFIAPI\r | |
7018 | AsmReadTr (\r | |
7019 | VOID\r | |
7020 | );\r | |
7021 | \r | |
7022 | \r | |
7023 | /**\r | |
7024 | Reads the current Global Descriptor Table Register(GDTR) descriptor.\r | |
7025 | \r | |
7026 | Reads and returns the current GDTR descriptor and returns it in Gdtr. This\r | |
030cd1a2 | 7027 | function is only available on IA-32 and x64.\r |
ac644614 | 7028 | \r |
7029 | If Gdtr is NULL, then ASSERT().\r | |
7030 | \r | |
af2dc6a7 | 7031 | @param Gdtr The pointer to a GDTR descriptor.\r |
ac644614 | 7032 | \r |
7033 | **/\r | |
7034 | VOID\r | |
7035 | EFIAPI\r | |
7036 | AsmReadGdtr (\r | |
7037 | OUT IA32_DESCRIPTOR *Gdtr\r | |
7038 | );\r | |
7039 | \r | |
7040 | \r | |
7041 | /**\r | |
7042 | Writes the current Global Descriptor Table Register (GDTR) descriptor.\r | |
7043 | \r | |
7044 | Writes and the current GDTR descriptor specified by Gdtr. This function is\r | |
030cd1a2 | 7045 | only available on IA-32 and x64.\r |
ac644614 | 7046 | \r |
7047 | If Gdtr is NULL, then ASSERT().\r | |
7048 | \r | |
af2dc6a7 | 7049 | @param Gdtr The pointer to a GDTR descriptor.\r |
ac644614 | 7050 | \r |
7051 | **/\r | |
7052 | VOID\r | |
7053 | EFIAPI\r | |
7054 | AsmWriteGdtr (\r | |
7055 | IN CONST IA32_DESCRIPTOR *Gdtr\r | |
7056 | );\r | |
7057 | \r | |
7058 | \r | |
7059 | /**\r | |
17f695ed | 7060 | Reads the current Interrupt Descriptor Table Register(IDTR) descriptor.\r |
ac644614 | 7061 | \r |
7062 | Reads and returns the current IDTR descriptor and returns it in Idtr. This\r | |
030cd1a2 | 7063 | function is only available on IA-32 and x64.\r |
ac644614 | 7064 | \r |
7065 | If Idtr is NULL, then ASSERT().\r | |
7066 | \r | |
af2dc6a7 | 7067 | @param Idtr The pointer to a IDTR descriptor.\r |
ac644614 | 7068 | \r |
7069 | **/\r | |
7070 | VOID\r | |
7071 | EFIAPI\r | |
7072 | AsmReadIdtr (\r | |
7073 | OUT IA32_DESCRIPTOR *Idtr\r | |
7074 | );\r | |
7075 | \r | |
7076 | \r | |
7077 | /**\r | |
17f695ed | 7078 | Writes the current Interrupt Descriptor Table Register(IDTR) descriptor.\r |
ac644614 | 7079 | \r |
7080 | Writes the current IDTR descriptor and returns it in Idtr. This function is\r | |
030cd1a2 | 7081 | only available on IA-32 and x64.\r |
ac644614 | 7082 | \r |
7083 | If Idtr is NULL, then ASSERT().\r | |
7084 | \r | |
af2dc6a7 | 7085 | @param Idtr The pointer to a IDTR descriptor.\r |
ac644614 | 7086 | \r |
7087 | **/\r | |
7088 | VOID\r | |
7089 | EFIAPI\r | |
7090 | AsmWriteIdtr (\r | |
7091 | IN CONST IA32_DESCRIPTOR *Idtr\r | |
7092 | );\r | |
7093 | \r | |
7094 | \r | |
7095 | /**\r | |
7096 | Reads the current Local Descriptor Table Register(LDTR) selector.\r | |
7097 | \r | |
7098 | Reads and returns the current 16-bit LDTR descriptor value. This function is\r | |
030cd1a2 | 7099 | only available on IA-32 and x64.\r |
ac644614 | 7100 | \r |
7101 | @return The current selector of LDT.\r | |
7102 | \r | |
7103 | **/\r | |
7104 | UINT16\r | |
7105 | EFIAPI\r | |
7106 | AsmReadLdtr (\r | |
7107 | VOID\r | |
7108 | );\r | |
7109 | \r | |
7110 | \r | |
7111 | /**\r | |
17f695ed | 7112 | Writes the current Local Descriptor Table Register (LDTR) selector.\r |
ac644614 | 7113 | \r |
7114 | Writes and the current LDTR descriptor specified by Ldtr. This function is\r | |
030cd1a2 | 7115 | only available on IA-32 and x64.\r |
ac644614 | 7116 | \r |
7117 | @param Ldtr 16-bit LDTR selector value.\r | |
7118 | \r | |
7119 | **/\r | |
7120 | VOID\r | |
7121 | EFIAPI\r | |
7122 | AsmWriteLdtr (\r | |
7123 | IN UINT16 Ldtr\r | |
7124 | );\r | |
7125 | \r | |
7126 | \r | |
7127 | /**\r | |
7128 | Save the current floating point/SSE/SSE2 context to a buffer.\r | |
7129 | \r | |
7130 | Saves the current floating point/SSE/SSE2 state to the buffer specified by\r | |
7131 | Buffer. Buffer must be aligned on a 16-byte boundary. This function is only\r | |
030cd1a2 | 7132 | available on IA-32 and x64.\r |
ac644614 | 7133 | \r |
7134 | If Buffer is NULL, then ASSERT().\r | |
7135 | If Buffer is not aligned on a 16-byte boundary, then ASSERT().\r | |
7136 | \r | |
af2dc6a7 | 7137 | @param Buffer The pointer to a buffer to save the floating point/SSE/SSE2 context.\r |
ac644614 | 7138 | \r |
7139 | **/\r | |
7140 | VOID\r | |
7141 | EFIAPI\r | |
7142 | AsmFxSave (\r | |
7143 | OUT IA32_FX_BUFFER *Buffer\r | |
7144 | );\r | |
7145 | \r | |
7146 | \r | |
7147 | /**\r | |
7148 | Restores the current floating point/SSE/SSE2 context from a buffer.\r | |
7149 | \r | |
7150 | Restores the current floating point/SSE/SSE2 state from the buffer specified\r | |
7151 | by Buffer. Buffer must be aligned on a 16-byte boundary. This function is\r | |
030cd1a2 | 7152 | only available on IA-32 and x64.\r |
ac644614 | 7153 | \r |
7154 | If Buffer is NULL, then ASSERT().\r | |
7155 | If Buffer is not aligned on a 16-byte boundary, then ASSERT().\r | |
7156 | If Buffer was not saved with AsmFxSave(), then ASSERT().\r | |
7157 | \r | |
af2dc6a7 | 7158 | @param Buffer The pointer to a buffer to save the floating point/SSE/SSE2 context.\r |
ac644614 | 7159 | \r |
7160 | **/\r | |
7161 | VOID\r | |
7162 | EFIAPI\r | |
7163 | AsmFxRestore (\r | |
7164 | IN CONST IA32_FX_BUFFER *Buffer\r | |
7165 | );\r | |
7166 | \r | |
7167 | \r | |
7168 | /**\r | |
7169 | Reads the current value of 64-bit MMX Register #0 (MM0).\r | |
7170 | \r | |
7171 | Reads and returns the current value of MM0. This function is only available\r | |
030cd1a2 | 7172 | on IA-32 and x64.\r |
ac644614 | 7173 | \r |
7174 | @return The current value of MM0.\r | |
7175 | \r | |
7176 | **/\r | |
7177 | UINT64\r | |
7178 | EFIAPI\r | |
7179 | AsmReadMm0 (\r | |
7180 | VOID\r | |
7181 | );\r | |
7182 | \r | |
7183 | \r | |
7184 | /**\r | |
7185 | Reads the current value of 64-bit MMX Register #1 (MM1).\r | |
7186 | \r | |
7187 | Reads and returns the current value of MM1. This function is only available\r | |
030cd1a2 | 7188 | on IA-32 and x64.\r |
ac644614 | 7189 | \r |
7190 | @return The current value of MM1.\r | |
7191 | \r | |
7192 | **/\r | |
7193 | UINT64\r | |
7194 | EFIAPI\r | |
7195 | AsmReadMm1 (\r | |
7196 | VOID\r | |
7197 | );\r | |
7198 | \r | |
7199 | \r | |
7200 | /**\r | |
7201 | Reads the current value of 64-bit MMX Register #2 (MM2).\r | |
7202 | \r | |
7203 | Reads and returns the current value of MM2. This function is only available\r | |
030cd1a2 | 7204 | on IA-32 and x64.\r |
ac644614 | 7205 | \r |
7206 | @return The current value of MM2.\r | |
7207 | \r | |
7208 | **/\r | |
7209 | UINT64\r | |
7210 | EFIAPI\r | |
7211 | AsmReadMm2 (\r | |
7212 | VOID\r | |
7213 | );\r | |
7214 | \r | |
7215 | \r | |
7216 | /**\r | |
7217 | Reads the current value of 64-bit MMX Register #3 (MM3).\r | |
7218 | \r | |
7219 | Reads and returns the current value of MM3. This function is only available\r | |
030cd1a2 | 7220 | on IA-32 and x64.\r |
ac644614 | 7221 | \r |
7222 | @return The current value of MM3.\r | |
7223 | \r | |
7224 | **/\r | |
7225 | UINT64\r | |
7226 | EFIAPI\r | |
7227 | AsmReadMm3 (\r | |
7228 | VOID\r | |
7229 | );\r | |
7230 | \r | |
7231 | \r | |
7232 | /**\r | |
7233 | Reads the current value of 64-bit MMX Register #4 (MM4).\r | |
7234 | \r | |
7235 | Reads and returns the current value of MM4. This function is only available\r | |
030cd1a2 | 7236 | on IA-32 and x64.\r |
ac644614 | 7237 | \r |
7238 | @return The current value of MM4.\r | |
7239 | \r | |
7240 | **/\r | |
7241 | UINT64\r | |
7242 | EFIAPI\r | |
7243 | AsmReadMm4 (\r | |
7244 | VOID\r | |
7245 | );\r | |
7246 | \r | |
7247 | \r | |
7248 | /**\r | |
7249 | Reads the current value of 64-bit MMX Register #5 (MM5).\r | |
7250 | \r | |
7251 | Reads and returns the current value of MM5. This function is only available\r | |
030cd1a2 | 7252 | on IA-32 and x64.\r |
ac644614 | 7253 | \r |
7254 | @return The current value of MM5.\r | |
7255 | \r | |
7256 | **/\r | |
7257 | UINT64\r | |
7258 | EFIAPI\r | |
7259 | AsmReadMm5 (\r | |
7260 | VOID\r | |
7261 | );\r | |
7262 | \r | |
7263 | \r | |
7264 | /**\r | |
7265 | Reads the current value of 64-bit MMX Register #6 (MM6).\r | |
7266 | \r | |
7267 | Reads and returns the current value of MM6. This function is only available\r | |
030cd1a2 | 7268 | on IA-32 and x64.\r |
ac644614 | 7269 | \r |
7270 | @return The current value of MM6.\r | |
7271 | \r | |
7272 | **/\r | |
7273 | UINT64\r | |
7274 | EFIAPI\r | |
7275 | AsmReadMm6 (\r | |
7276 | VOID\r | |
7277 | );\r | |
7278 | \r | |
7279 | \r | |
7280 | /**\r | |
7281 | Reads the current value of 64-bit MMX Register #7 (MM7).\r | |
7282 | \r | |
7283 | Reads and returns the current value of MM7. This function is only available\r | |
030cd1a2 | 7284 | on IA-32 and x64.\r |
ac644614 | 7285 | \r |
7286 | @return The current value of MM7.\r | |
7287 | \r | |
7288 | **/\r | |
7289 | UINT64\r | |
7290 | EFIAPI\r | |
7291 | AsmReadMm7 (\r | |
7292 | VOID\r | |
7293 | );\r | |
7294 | \r | |
7295 | \r | |
7296 | /**\r | |
7297 | Writes the current value of 64-bit MMX Register #0 (MM0).\r | |
7298 | \r | |
7299 | Writes the current value of MM0. This function is only available on IA32 and\r | |
030cd1a2 | 7300 | x64.\r |
ac644614 | 7301 | \r |
7302 | @param Value The 64-bit value to write to MM0.\r | |
7303 | \r | |
7304 | **/\r | |
7305 | VOID\r | |
7306 | EFIAPI\r | |
7307 | AsmWriteMm0 (\r | |
7308 | IN UINT64 Value\r | |
7309 | );\r | |
7310 | \r | |
7311 | \r | |
7312 | /**\r | |
7313 | Writes the current value of 64-bit MMX Register #1 (MM1).\r | |
7314 | \r | |
7315 | Writes the current value of MM1. This function is only available on IA32 and\r | |
030cd1a2 | 7316 | x64.\r |
ac644614 | 7317 | \r |
7318 | @param Value The 64-bit value to write to MM1.\r | |
7319 | \r | |
7320 | **/\r | |
7321 | VOID\r | |
7322 | EFIAPI\r | |
7323 | AsmWriteMm1 (\r | |
7324 | IN UINT64 Value\r | |
7325 | );\r | |
7326 | \r | |
7327 | \r | |
7328 | /**\r | |
7329 | Writes the current value of 64-bit MMX Register #2 (MM2).\r | |
7330 | \r | |
7331 | Writes the current value of MM2. This function is only available on IA32 and\r | |
030cd1a2 | 7332 | x64.\r |
ac644614 | 7333 | \r |
7334 | @param Value The 64-bit value to write to MM2.\r | |
7335 | \r | |
7336 | **/\r | |
7337 | VOID\r | |
7338 | EFIAPI\r | |
7339 | AsmWriteMm2 (\r | |
7340 | IN UINT64 Value\r | |
7341 | );\r | |
7342 | \r | |
7343 | \r | |
7344 | /**\r | |
7345 | Writes the current value of 64-bit MMX Register #3 (MM3).\r | |
7346 | \r | |
7347 | Writes the current value of MM3. This function is only available on IA32 and\r | |
030cd1a2 | 7348 | x64.\r |
ac644614 | 7349 | \r |
7350 | @param Value The 64-bit value to write to MM3.\r | |
7351 | \r | |
7352 | **/\r | |
7353 | VOID\r | |
7354 | EFIAPI\r | |
7355 | AsmWriteMm3 (\r | |
7356 | IN UINT64 Value\r | |
7357 | );\r | |
7358 | \r | |
7359 | \r | |
7360 | /**\r | |
7361 | Writes the current value of 64-bit MMX Register #4 (MM4).\r | |
7362 | \r | |
7363 | Writes the current value of MM4. This function is only available on IA32 and\r | |
030cd1a2 | 7364 | x64.\r |
ac644614 | 7365 | \r |
7366 | @param Value The 64-bit value to write to MM4.\r | |
7367 | \r | |
7368 | **/\r | |
7369 | VOID\r | |
7370 | EFIAPI\r | |
7371 | AsmWriteMm4 (\r | |
7372 | IN UINT64 Value\r | |
7373 | );\r | |
7374 | \r | |
7375 | \r | |
7376 | /**\r | |
7377 | Writes the current value of 64-bit MMX Register #5 (MM5).\r | |
7378 | \r | |
7379 | Writes the current value of MM5. This function is only available on IA32 and\r | |
030cd1a2 | 7380 | x64.\r |
ac644614 | 7381 | \r |
7382 | @param Value The 64-bit value to write to MM5.\r | |
7383 | \r | |
7384 | **/\r | |
7385 | VOID\r | |
7386 | EFIAPI\r | |
7387 | AsmWriteMm5 (\r | |
7388 | IN UINT64 Value\r | |
7389 | );\r | |
7390 | \r | |
7391 | \r | |
7392 | /**\r | |
7393 | Writes the current value of 64-bit MMX Register #6 (MM6).\r | |
7394 | \r | |
7395 | Writes the current value of MM6. This function is only available on IA32 and\r | |
030cd1a2 | 7396 | x64.\r |
ac644614 | 7397 | \r |
7398 | @param Value The 64-bit value to write to MM6.\r | |
7399 | \r | |
7400 | **/\r | |
7401 | VOID\r | |
7402 | EFIAPI\r | |
7403 | AsmWriteMm6 (\r | |
7404 | IN UINT64 Value\r | |
7405 | );\r | |
7406 | \r | |
7407 | \r | |
7408 | /**\r | |
7409 | Writes the current value of 64-bit MMX Register #7 (MM7).\r | |
7410 | \r | |
7411 | Writes the current value of MM7. This function is only available on IA32 and\r | |
030cd1a2 | 7412 | x64.\r |
ac644614 | 7413 | \r |
7414 | @param Value The 64-bit value to write to MM7.\r | |
7415 | \r | |
7416 | **/\r | |
7417 | VOID\r | |
7418 | EFIAPI\r | |
7419 | AsmWriteMm7 (\r | |
7420 | IN UINT64 Value\r | |
7421 | );\r | |
7422 | \r | |
7423 | \r | |
7424 | /**\r | |
7425 | Reads the current value of Time Stamp Counter (TSC).\r | |
7426 | \r | |
7427 | Reads and returns the current value of TSC. This function is only available\r | |
030cd1a2 | 7428 | on IA-32 and x64.\r |
ac644614 | 7429 | \r |
7430 | @return The current value of TSC\r | |
7431 | \r | |
7432 | **/\r | |
7433 | UINT64\r | |
7434 | EFIAPI\r | |
7435 | AsmReadTsc (\r | |
7436 | VOID\r | |
7437 | );\r | |
7438 | \r | |
7439 | \r | |
7440 | /**\r | |
7441 | Reads the current value of a Performance Counter (PMC).\r | |
7442 | \r | |
7443 | Reads and returns the current value of performance counter specified by\r | |
030cd1a2 | 7444 | Index. This function is only available on IA-32 and x64.\r |
ac644614 | 7445 | \r |
7446 | @param Index The 32-bit Performance Counter index to read.\r | |
7447 | \r | |
7448 | @return The value of the PMC specified by Index.\r | |
7449 | \r | |
7450 | **/\r | |
7451 | UINT64\r | |
7452 | EFIAPI\r | |
7453 | AsmReadPmc (\r | |
7454 | IN UINT32 Index\r | |
7455 | );\r | |
7456 | \r | |
7457 | \r | |
7458 | /**\r | |
7459 | Sets up a monitor buffer that is used by AsmMwait().\r | |
7460 | \r | |
7461 | Executes a MONITOR instruction with the register state specified by Eax, Ecx\r | |
030cd1a2 | 7462 | and Edx. Returns Eax. This function is only available on IA-32 and x64.\r |
ac644614 | 7463 | \r |
7464 | @param Eax The value to load into EAX or RAX before executing the MONITOR\r | |
7465 | instruction.\r | |
7466 | @param Ecx The value to load into ECX or RCX before executing the MONITOR\r | |
7467 | instruction.\r | |
7468 | @param Edx The value to load into EDX or RDX before executing the MONITOR\r | |
7469 | instruction.\r | |
7470 | \r | |
7471 | @return Eax\r | |
7472 | \r | |
7473 | **/\r | |
7474 | UINTN\r | |
7475 | EFIAPI\r | |
7476 | AsmMonitor (\r | |
7477 | IN UINTN Eax,\r | |
7478 | IN UINTN Ecx,\r | |
7479 | IN UINTN Edx\r | |
7480 | );\r | |
7481 | \r | |
7482 | \r | |
7483 | /**\r | |
7484 | Executes an MWAIT instruction.\r | |
7485 | \r | |
7486 | Executes an MWAIT instruction with the register state specified by Eax and\r | |
030cd1a2 | 7487 | Ecx. Returns Eax. This function is only available on IA-32 and x64.\r |
ac644614 | 7488 | \r |
7489 | @param Eax The value to load into EAX or RAX before executing the MONITOR\r | |
7490 | instruction.\r | |
7491 | @param Ecx The value to load into ECX or RCX before executing the MONITOR\r | |
7492 | instruction.\r | |
7493 | \r | |
7494 | @return Eax\r | |
7495 | \r | |
7496 | **/\r | |
7497 | UINTN\r | |
7498 | EFIAPI\r | |
7499 | AsmMwait (\r | |
7500 | IN UINTN Eax,\r | |
7501 | IN UINTN Ecx\r | |
7502 | );\r | |
7503 | \r | |
7504 | \r | |
7505 | /**\r | |
7506 | Executes a WBINVD instruction.\r | |
7507 | \r | |
7508 | Executes a WBINVD instruction. This function is only available on IA-32 and\r | |
030cd1a2 | 7509 | x64.\r |
ac644614 | 7510 | \r |
7511 | **/\r | |
7512 | VOID\r | |
7513 | EFIAPI\r | |
7514 | AsmWbinvd (\r | |
7515 | VOID\r | |
7516 | );\r | |
7517 | \r | |
7518 | \r | |
7519 | /**\r | |
7520 | Executes a INVD instruction.\r | |
7521 | \r | |
7522 | Executes a INVD instruction. This function is only available on IA-32 and\r | |
030cd1a2 | 7523 | x64.\r |
ac644614 | 7524 | \r |
7525 | **/\r | |
7526 | VOID\r | |
7527 | EFIAPI\r | |
7528 | AsmInvd (\r | |
7529 | VOID\r | |
7530 | );\r | |
7531 | \r | |
7532 | \r | |
7533 | /**\r | |
7534 | Flushes a cache line from all the instruction and data caches within the\r | |
7535 | coherency domain of the CPU.\r | |
7536 | \r | |
7537 | Flushed the cache line specified by LinearAddress, and returns LinearAddress.\r | |
030cd1a2 | 7538 | This function is only available on IA-32 and x64.\r |
ac644614 | 7539 | \r |
7540 | @param LinearAddress The address of the cache line to flush. If the CPU is\r | |
7541 | in a physical addressing mode, then LinearAddress is a\r | |
7542 | physical address. If the CPU is in a virtual\r | |
7543 | addressing mode, then LinearAddress is a virtual\r | |
7544 | address.\r | |
7545 | \r | |
af2dc6a7 | 7546 | @return LinearAddress.\r |
ac644614 | 7547 | **/\r |
7548 | VOID *\r | |
7549 | EFIAPI\r | |
7550 | AsmFlushCacheLine (\r | |
7551 | IN VOID *LinearAddress\r | |
7552 | );\r | |
7553 | \r | |
7554 | \r | |
7555 | /**\r | |
7556 | Enables the 32-bit paging mode on the CPU.\r | |
7557 | \r | |
7558 | Enables the 32-bit paging mode on the CPU. CR0, CR3, CR4, and the page tables\r | |
7559 | must be properly initialized prior to calling this service. This function\r | |
7560 | assumes the current execution mode is 32-bit protected mode. This function is\r | |
7561 | only available on IA-32. After the 32-bit paging mode is enabled, control is\r | |
7562 | transferred to the function specified by EntryPoint using the new stack\r | |
7563 | specified by NewStack and passing in the parameters specified by Context1 and\r | |
7564 | Context2. Context1 and Context2 are optional and may be NULL. The function\r | |
7565 | EntryPoint must never return.\r | |
7566 | \r | |
7567 | If the current execution mode is not 32-bit protected mode, then ASSERT().\r | |
7568 | If EntryPoint is NULL, then ASSERT().\r | |
7569 | If NewStack is NULL, then ASSERT().\r | |
7570 | \r | |
7571 | There are a number of constraints that must be followed before calling this\r | |
7572 | function:\r | |
7573 | 1) Interrupts must be disabled.\r | |
7574 | 2) The caller must be in 32-bit protected mode with flat descriptors. This\r | |
7575 | means all descriptors must have a base of 0 and a limit of 4GB.\r | |
7576 | 3) CR0 and CR4 must be compatible with 32-bit protected mode with flat\r | |
7577 | descriptors.\r | |
7578 | 4) CR3 must point to valid page tables that will be used once the transition\r | |
7579 | is complete, and those page tables must guarantee that the pages for this\r | |
7580 | function and the stack are identity mapped.\r | |
7581 | \r | |
7582 | @param EntryPoint A pointer to function to call with the new stack after\r | |
7583 | paging is enabled.\r | |
7584 | @param Context1 A pointer to the context to pass into the EntryPoint\r | |
7585 | function as the first parameter after paging is enabled.\r | |
7586 | @param Context2 A pointer to the context to pass into the EntryPoint\r | |
7587 | function as the second parameter after paging is enabled.\r | |
7588 | @param NewStack A pointer to the new stack to use for the EntryPoint\r | |
7589 | function after paging is enabled.\r | |
7590 | \r | |
7591 | **/\r | |
7592 | VOID\r | |
7593 | EFIAPI\r | |
7594 | AsmEnablePaging32 (\r | |
7595 | IN SWITCH_STACK_ENTRY_POINT EntryPoint,\r | |
7596 | IN VOID *Context1, OPTIONAL\r | |
7597 | IN VOID *Context2, OPTIONAL\r | |
7598 | IN VOID *NewStack\r | |
7599 | );\r | |
7600 | \r | |
7601 | \r | |
7602 | /**\r | |
7603 | Disables the 32-bit paging mode on the CPU.\r | |
7604 | \r | |
7605 | Disables the 32-bit paging mode on the CPU and returns to 32-bit protected\r | |
7606 | mode. This function assumes the current execution mode is 32-paged protected\r | |
7607 | mode. This function is only available on IA-32. After the 32-bit paging mode\r | |
7608 | is disabled, control is transferred to the function specified by EntryPoint\r | |
7609 | using the new stack specified by NewStack and passing in the parameters\r | |
7610 | specified by Context1 and Context2. Context1 and Context2 are optional and\r | |
7611 | may be NULL. The function EntryPoint must never return.\r | |
7612 | \r | |
7613 | If the current execution mode is not 32-bit paged mode, then ASSERT().\r | |
7614 | If EntryPoint is NULL, then ASSERT().\r | |
7615 | If NewStack is NULL, then ASSERT().\r | |
7616 | \r | |
7617 | There are a number of constraints that must be followed before calling this\r | |
7618 | function:\r | |
7619 | 1) Interrupts must be disabled.\r | |
7620 | 2) The caller must be in 32-bit paged mode.\r | |
7621 | 3) CR0, CR3, and CR4 must be compatible with 32-bit paged mode.\r | |
7622 | 4) CR3 must point to valid page tables that guarantee that the pages for\r | |
7623 | this function and the stack are identity mapped.\r | |
7624 | \r | |
7625 | @param EntryPoint A pointer to function to call with the new stack after\r | |
7626 | paging is disabled.\r | |
7627 | @param Context1 A pointer to the context to pass into the EntryPoint\r | |
7628 | function as the first parameter after paging is disabled.\r | |
7629 | @param Context2 A pointer to the context to pass into the EntryPoint\r | |
7630 | function as the second parameter after paging is\r | |
7631 | disabled.\r | |
7632 | @param NewStack A pointer to the new stack to use for the EntryPoint\r | |
7633 | function after paging is disabled.\r | |
7634 | \r | |
7635 | **/\r | |
7636 | VOID\r | |
7637 | EFIAPI\r | |
7638 | AsmDisablePaging32 (\r | |
7639 | IN SWITCH_STACK_ENTRY_POINT EntryPoint,\r | |
7640 | IN VOID *Context1, OPTIONAL\r | |
7641 | IN VOID *Context2, OPTIONAL\r | |
7642 | IN VOID *NewStack\r | |
7643 | );\r | |
7644 | \r | |
7645 | \r | |
7646 | /**\r | |
7647 | Enables the 64-bit paging mode on the CPU.\r | |
7648 | \r | |
7649 | Enables the 64-bit paging mode on the CPU. CR0, CR3, CR4, and the page tables\r | |
7650 | must be properly initialized prior to calling this service. This function\r | |
7651 | assumes the current execution mode is 32-bit protected mode with flat\r | |
7652 | descriptors. This function is only available on IA-32. After the 64-bit\r | |
7653 | paging mode is enabled, control is transferred to the function specified by\r | |
7654 | EntryPoint using the new stack specified by NewStack and passing in the\r | |
7655 | parameters specified by Context1 and Context2. Context1 and Context2 are\r | |
7656 | optional and may be 0. The function EntryPoint must never return.\r | |
7657 | \r | |
7658 | If the current execution mode is not 32-bit protected mode with flat\r | |
7659 | descriptors, then ASSERT().\r | |
7660 | If EntryPoint is 0, then ASSERT().\r | |
7661 | If NewStack is 0, then ASSERT().\r | |
7662 | \r | |
17f695ed | 7663 | @param Cs The 16-bit selector to load in the CS before EntryPoint\r |
ac644614 | 7664 | is called. The descriptor in the GDT that this selector\r |
7665 | references must be setup for long mode.\r | |
7666 | @param EntryPoint The 64-bit virtual address of the function to call with\r | |
7667 | the new stack after paging is enabled.\r | |
7668 | @param Context1 The 64-bit virtual address of the context to pass into\r | |
7669 | the EntryPoint function as the first parameter after\r | |
7670 | paging is enabled.\r | |
7671 | @param Context2 The 64-bit virtual address of the context to pass into\r | |
7672 | the EntryPoint function as the second parameter after\r | |
7673 | paging is enabled.\r | |
7674 | @param NewStack The 64-bit virtual address of the new stack to use for\r | |
7675 | the EntryPoint function after paging is enabled.\r | |
7676 | \r | |
7677 | **/\r | |
7678 | VOID\r | |
7679 | EFIAPI\r | |
7680 | AsmEnablePaging64 (\r | |
17f695ed | 7681 | IN UINT16 Cs,\r |
ac644614 | 7682 | IN UINT64 EntryPoint,\r |
7683 | IN UINT64 Context1, OPTIONAL\r | |
7684 | IN UINT64 Context2, OPTIONAL\r | |
7685 | IN UINT64 NewStack\r | |
7686 | );\r | |
7687 | \r | |
7688 | \r | |
7689 | /**\r | |
7690 | Disables the 64-bit paging mode on the CPU.\r | |
7691 | \r | |
7692 | Disables the 64-bit paging mode on the CPU and returns to 32-bit protected\r | |
7693 | mode. This function assumes the current execution mode is 64-paging mode.\r | |
030cd1a2 | 7694 | This function is only available on x64. After the 64-bit paging mode is\r |
ac644614 | 7695 | disabled, control is transferred to the function specified by EntryPoint\r |
7696 | using the new stack specified by NewStack and passing in the parameters\r | |
7697 | specified by Context1 and Context2. Context1 and Context2 are optional and\r | |
7698 | may be 0. The function EntryPoint must never return.\r | |
7699 | \r | |
7700 | If the current execution mode is not 64-bit paged mode, then ASSERT().\r | |
7701 | If EntryPoint is 0, then ASSERT().\r | |
7702 | If NewStack is 0, then ASSERT().\r | |
7703 | \r | |
17f695ed | 7704 | @param Cs The 16-bit selector to load in the CS before EntryPoint\r |
ac644614 | 7705 | is called. The descriptor in the GDT that this selector\r |
7706 | references must be setup for 32-bit protected mode.\r | |
7707 | @param EntryPoint The 64-bit virtual address of the function to call with\r | |
7708 | the new stack after paging is disabled.\r | |
7709 | @param Context1 The 64-bit virtual address of the context to pass into\r | |
7710 | the EntryPoint function as the first parameter after\r | |
7711 | paging is disabled.\r | |
7712 | @param Context2 The 64-bit virtual address of the context to pass into\r | |
7713 | the EntryPoint function as the second parameter after\r | |
7714 | paging is disabled.\r | |
7715 | @param NewStack The 64-bit virtual address of the new stack to use for\r | |
7716 | the EntryPoint function after paging is disabled.\r | |
7717 | \r | |
7718 | **/\r | |
7719 | VOID\r | |
7720 | EFIAPI\r | |
7721 | AsmDisablePaging64 (\r | |
17f695ed | 7722 | IN UINT16 Cs,\r |
ac644614 | 7723 | IN UINT32 EntryPoint,\r |
7724 | IN UINT32 Context1, OPTIONAL\r | |
7725 | IN UINT32 Context2, OPTIONAL\r | |
7726 | IN UINT32 NewStack\r | |
7727 | );\r | |
7728 | \r | |
7729 | \r | |
7730 | //\r | |
7731 | // 16-bit thunking services\r | |
7732 | //\r | |
7733 | \r | |
7734 | /**\r | |
7735 | Retrieves the properties for 16-bit thunk functions.\r | |
7736 | \r | |
7737 | Computes the size of the buffer and stack below 1MB required to use the\r | |
7738 | AsmPrepareThunk16(), AsmThunk16() and AsmPrepareAndThunk16() functions. This\r | |
7739 | buffer size is returned in RealModeBufferSize, and the stack size is returned\r | |
7740 | in ExtraStackSize. If parameters are passed to the 16-bit real mode code,\r | |
7741 | then the actual minimum stack size is ExtraStackSize plus the maximum number\r | |
7742 | of bytes that need to be passed to the 16-bit real mode code.\r | |
9095d37b | 7743 | \r |
ac644614 | 7744 | If RealModeBufferSize is NULL, then ASSERT().\r |
7745 | If ExtraStackSize is NULL, then ASSERT().\r | |
7746 | \r | |
7747 | @param RealModeBufferSize A pointer to the size of the buffer below 1MB\r | |
7748 | required to use the 16-bit thunk functions.\r | |
7749 | @param ExtraStackSize A pointer to the extra size of stack below 1MB\r | |
7750 | that the 16-bit thunk functions require for\r | |
7751 | temporary storage in the transition to and from\r | |
7752 | 16-bit real mode.\r | |
7753 | \r | |
7754 | **/\r | |
7755 | VOID\r | |
7756 | EFIAPI\r | |
7757 | AsmGetThunk16Properties (\r | |
7758 | OUT UINT32 *RealModeBufferSize,\r | |
7759 | OUT UINT32 *ExtraStackSize\r | |
7760 | );\r | |
7761 | \r | |
7762 | \r | |
7763 | /**\r | |
7764 | Prepares all structures a code required to use AsmThunk16().\r | |
7765 | \r | |
7766 | Prepares all structures and code required to use AsmThunk16().\r | |
9095d37b | 7767 | \r |
8243b089 | 7768 | This interface is limited to be used in either physical mode or virtual modes with paging enabled where the\r |
7769 | virtual to physical mappings for ThunkContext.RealModeBuffer is mapped 1:1.\r | |
ac644614 | 7770 | \r |
7771 | If ThunkContext is NULL, then ASSERT().\r | |
7772 | \r | |
7773 | @param ThunkContext A pointer to the context structure that describes the\r | |
7774 | 16-bit real mode code to call.\r | |
7775 | \r | |
7776 | **/\r | |
7777 | VOID\r | |
7778 | EFIAPI\r | |
7779 | AsmPrepareThunk16 (\r | |
1445300f | 7780 | IN OUT THUNK_CONTEXT *ThunkContext\r |
ac644614 | 7781 | );\r |
7782 | \r | |
7783 | \r | |
7784 | /**\r | |
7785 | Transfers control to a 16-bit real mode entry point and returns the results.\r | |
7786 | \r | |
7787 | Transfers control to a 16-bit real mode entry point and returns the results.\r | |
17f695ed | 7788 | AsmPrepareThunk16() must be called with ThunkContext before this function is used.\r |
7789 | This function must be called with interrupts disabled.\r | |
7790 | \r | |
9095d37b LG |
7791 | The register state from the RealModeState field of ThunkContext is restored just prior\r |
7792 | to calling the 16-bit real mode entry point. This includes the EFLAGS field of RealModeState,\r | |
17f695ed | 7793 | which is used to set the interrupt state when a 16-bit real mode entry point is called.\r |
7794 | Control is transferred to the 16-bit real mode entry point specified by the CS and Eip fields of RealModeState.\r | |
9095d37b LG |
7795 | The stack is initialized to the SS and ESP fields of RealModeState. Any parameters passed to\r |
7796 | the 16-bit real mode code must be populated by the caller at SS:ESP prior to calling this function.\r | |
17f695ed | 7797 | The 16-bit real mode entry point is invoked with a 16-bit CALL FAR instruction,\r |
9095d37b LG |
7798 | so when accessing stack contents, the 16-bit real mode code must account for the 16-bit segment\r |
7799 | and 16-bit offset of the return address that were pushed onto the stack. The 16-bit real mode entry\r | |
7800 | point must exit with a RETF instruction. The register state is captured into RealModeState immediately\r | |
17f695ed | 7801 | after the RETF instruction is executed.\r |
9095d37b LG |
7802 | \r |
7803 | If EFLAGS specifies interrupts enabled, or any of the 16-bit real mode code enables interrupts,\r | |
7804 | or any of the 16-bit real mode code makes a SW interrupt, then the caller is responsible for making sure\r | |
7805 | the IDT at address 0 is initialized to handle any HW or SW interrupts that may occur while in 16-bit real mode.\r | |
7806 | \r | |
7807 | If EFLAGS specifies interrupts enabled, or any of the 16-bit real mode code enables interrupts,\r | |
7808 | then the caller is responsible for making sure the 8259 PIC is in a state compatible with 16-bit real mode.\r | |
17f695ed | 7809 | This includes the base vectors, the interrupt masks, and the edge/level trigger mode.\r |
9095d37b LG |
7810 | \r |
7811 | If THUNK_ATTRIBUTE_BIG_REAL_MODE is set in the ThunkAttributes field of ThunkContext, then the user code\r | |
17f695ed | 7812 | is invoked in big real mode. Otherwise, the user code is invoked in 16-bit real mode with 64KB segment limits.\r |
9095d37b LG |
7813 | \r |
7814 | If neither THUNK_ATTRIBUTE_DISABLE_A20_MASK_INT_15 nor THUNK_ATTRIBUTE_DISABLE_A20_MASK_KBD_CTRL are set in\r | |
7815 | ThunkAttributes, then it is assumed that the user code did not enable the A20 mask, and no attempt is made to\r | |
17f695ed | 7816 | disable the A20 mask.\r |
9095d37b LG |
7817 | \r |
7818 | If THUNK_ATTRIBUTE_DISABLE_A20_MASK_INT_15 is set and THUNK_ATTRIBUTE_DISABLE_A20_MASK_KBD_CTRL is clear in\r | |
7819 | ThunkAttributes, then attempt to use the INT 15 service to disable the A20 mask. If this INT 15 call fails,\r | |
17f695ed | 7820 | then attempt to disable the A20 mask by directly accessing the 8042 keyboard controller I/O ports.\r |
9095d37b LG |
7821 | \r |
7822 | If THUNK_ATTRIBUTE_DISABLE_A20_MASK_INT_15 is clear and THUNK_ATTRIBUTE_DISABLE_A20_MASK_KBD_CTRL is set in\r | |
17f695ed | 7823 | ThunkAttributes, then attempt to disable the A20 mask by directly accessing the 8042 keyboard controller I/O ports.\r |
9095d37b | 7824 | \r |
ac644614 | 7825 | If ThunkContext is NULL, then ASSERT().\r |
7826 | If AsmPrepareThunk16() was not previously called with ThunkContext, then ASSERT().\r | |
9095d37b | 7827 | If both THUNK_ATTRIBUTE_DISABLE_A20_MASK_INT_15 and THUNK_ATTRIBUTE_DISABLE_A20_MASK_KBD_CTRL are set in\r |
17f695ed | 7828 | ThunkAttributes, then ASSERT().\r |
ac644614 | 7829 | \r |
8243b089 | 7830 | This interface is limited to be used in either physical mode or virtual modes with paging enabled where the\r |
af2dc6a7 | 7831 | virtual to physical mappings for ThunkContext.RealModeBuffer are mapped 1:1.\r |
52fa075c | 7832 | \r |
ac644614 | 7833 | @param ThunkContext A pointer to the context structure that describes the\r |
7834 | 16-bit real mode code to call.\r | |
7835 | \r | |
7836 | **/\r | |
7837 | VOID\r | |
7838 | EFIAPI\r | |
7839 | AsmThunk16 (\r | |
7840 | IN OUT THUNK_CONTEXT *ThunkContext\r | |
7841 | );\r | |
7842 | \r | |
7843 | \r | |
7844 | /**\r | |
7845 | Prepares all structures and code for a 16-bit real mode thunk, transfers\r | |
7846 | control to a 16-bit real mode entry point, and returns the results.\r | |
7847 | \r | |
7848 | Prepares all structures and code for a 16-bit real mode thunk, transfers\r | |
7849 | control to a 16-bit real mode entry point, and returns the results. If the\r | |
7850 | caller only need to perform a single 16-bit real mode thunk, then this\r | |
7851 | service should be used. If the caller intends to make more than one 16-bit\r | |
7852 | real mode thunk, then it is more efficient if AsmPrepareThunk16() is called\r | |
7853 | once and AsmThunk16() can be called for each 16-bit real mode thunk.\r | |
7854 | \r | |
8243b089 | 7855 | This interface is limited to be used in either physical mode or virtual modes with paging enabled where the\r |
7856 | virtual to physical mappings for ThunkContext.RealModeBuffer is mapped 1:1.\r | |
52fa075c | 7857 | \r |
17f695ed | 7858 | See AsmPrepareThunk16() and AsmThunk16() for the detailed description and ASSERT() conditions.\r |
ac644614 | 7859 | \r |
7860 | @param ThunkContext A pointer to the context structure that describes the\r | |
7861 | 16-bit real mode code to call.\r | |
7862 | \r | |
7863 | **/\r | |
7864 | VOID\r | |
7865 | EFIAPI\r | |
7866 | AsmPrepareAndThunk16 (\r | |
7867 | IN OUT THUNK_CONTEXT *ThunkContext\r | |
7868 | );\r | |
7869 | \r | |
3cfc7813 QL |
7870 | /**\r |
7871 | Generates a 16-bit random number through RDRAND instruction.\r | |
7872 | \r | |
7873 | if Rand is NULL, then ASSERT().\r | |
7874 | \r | |
7875 | @param[out] Rand Buffer pointer to store the random result.\r | |
7876 | \r | |
7877 | @retval TRUE RDRAND call was successful.\r | |
7878 | @retval FALSE Failed attempts to call RDRAND.\r | |
7879 | \r | |
7880 | **/\r | |
7881 | BOOLEAN\r | |
7882 | EFIAPI\r | |
7883 | AsmRdRand16 (\r | |
7884 | OUT UINT16 *Rand\r | |
7885 | );\r | |
7886 | \r | |
7887 | /**\r | |
7888 | Generates a 32-bit random number through RDRAND instruction.\r | |
7889 | \r | |
7890 | if Rand is NULL, then ASSERT().\r | |
7891 | \r | |
7892 | @param[out] Rand Buffer pointer to store the random result.\r | |
7893 | \r | |
7894 | @retval TRUE RDRAND call was successful.\r | |
7895 | @retval FALSE Failed attempts to call RDRAND.\r | |
7896 | \r | |
7897 | **/\r | |
7898 | BOOLEAN\r | |
7899 | EFIAPI\r | |
7900 | AsmRdRand32 (\r | |
7901 | OUT UINT32 *Rand\r | |
7902 | );\r | |
7903 | \r | |
7904 | /**\r | |
7905 | Generates a 64-bit random number through RDRAND instruction.\r | |
7906 | \r | |
7907 | if Rand is NULL, then ASSERT().\r | |
7908 | \r | |
7909 | @param[out] Rand Buffer pointer to store the random result.\r | |
7910 | \r | |
7911 | @retval TRUE RDRAND call was successful.\r | |
7912 | @retval FALSE Failed attempts to call RDRAND.\r | |
7913 | \r | |
7914 | **/\r | |
7915 | BOOLEAN\r | |
7916 | EFIAPI\r | |
7917 | AsmRdRand64 (\r | |
7918 | OUT UINT64 *Rand\r | |
7919 | );\r | |
7920 | \r | |
364a5474 | 7921 | /**\r |
47595ac0 | 7922 | Load given selector into TR register.\r |
364a5474 JW |
7923 | \r |
7924 | @param[in] Selector Task segment selector\r | |
7925 | **/\r | |
7926 | VOID\r | |
7927 | EFIAPI\r | |
7928 | AsmWriteTr (\r | |
7929 | IN UINT16 Selector\r | |
7930 | );\r | |
7931 | \r | |
2ecd8299 HW |
7932 | /**\r |
7933 | Performs a serializing operation on all load-from-memory instructions that\r | |
7934 | were issued prior the AsmLfence function.\r | |
7935 | \r | |
7936 | Executes a LFENCE instruction. This function is only available on IA-32 and x64.\r | |
7937 | \r | |
7938 | **/\r | |
7939 | VOID\r | |
7940 | EFIAPI\r | |
7941 | AsmLfence (\r | |
7942 | VOID\r | |
7943 | );\r | |
7944 | \r | |
8596c140 LE |
7945 | /**\r |
7946 | Patch the immediate operand of an IA32 or X64 instruction such that the byte,\r | |
7947 | word, dword or qword operand is encoded at the end of the instruction's\r | |
7948 | binary representation.\r | |
7949 | \r | |
7950 | This function should be used to update object code that was compiled with\r | |
7951 | NASM from assembly source code. Example:\r | |
7952 | \r | |
7953 | NASM source code:\r | |
7954 | \r | |
7955 | mov eax, strict dword 0 ; the imm32 zero operand will be patched\r | |
7956 | ASM_PFX(gPatchCr3):\r | |
7957 | mov cr3, eax\r | |
7958 | \r | |
7959 | C source code:\r | |
7960 | \r | |
7961 | X86_ASSEMBLY_PATCH_LABEL gPatchCr3;\r | |
7962 | PatchInstructionX86 (gPatchCr3, AsmReadCr3 (), 4);\r | |
7963 | \r | |
7964 | @param[out] InstructionEnd Pointer right past the instruction to patch. The\r | |
7965 | immediate operand to patch is expected to\r | |
7966 | comprise the trailing bytes of the instruction.\r | |
7967 | If InstructionEnd is closer to address 0 than\r | |
7968 | ValueSize permits, then ASSERT().\r | |
7969 | \r | |
7970 | @param[in] PatchValue The constant to write to the immediate operand.\r | |
7971 | The caller is responsible for ensuring that\r | |
7972 | PatchValue can be represented in the byte, word,\r | |
7973 | dword or qword operand (as indicated through\r | |
7974 | ValueSize); otherwise ASSERT().\r | |
7975 | \r | |
7976 | @param[in] ValueSize The size of the operand in bytes; must be 1, 2,\r | |
7977 | 4, or 8. ASSERT() otherwise.\r | |
7978 | **/\r | |
7979 | VOID\r | |
7980 | EFIAPI\r | |
7981 | PatchInstructionX86 (\r | |
7982 | OUT X86_ASSEMBLY_PATCH_LABEL *InstructionEnd,\r | |
7983 | IN UINT64 PatchValue,\r | |
7984 | IN UINTN ValueSize\r | |
7985 | );\r | |
7986 | \r | |
de4f7f52 LE |
7987 | #endif // defined (MDE_CPU_IA32) || defined (MDE_CPU_X64)\r |
7988 | #endif // !defined (__BASE_LIB__)\r |