projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 |
| 4ac02962 | 5 | Copyright (c) 2006 - 2021, 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 | |
| 219 | \r | |
| 328f84b1 JY |
220 | If an error is returned, then the Destination is unmodified.\r |
| 221 | \r | |
| c058d59f JY |
222 | @param Destination A pointer to a Null-terminated Unicode string.\r |
| 223 | @param DestMax The maximum number of Destination Unicode\r | |
| 224 | char, including terminating null char.\r | |
| 225 | @param Source A pointer to a Null-terminated Unicode string.\r | |
| 226 | \r | |
| 227 | @retval RETURN_SUCCESS String is copied.\r | |
| 228 | @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than StrLen(Source).\r | |
| 229 | @retval RETURN_INVALID_PARAMETER If Destination is NULL.\r | |
| 230 | If Source is NULL.\r | |
| 231 | If PcdMaximumUnicodeStringLength is not zero,\r | |
| 9095d37b | 232 | and DestMax is greater than\r |
| c058d59f JY |
233 | PcdMaximumUnicodeStringLength.\r |
| 234 | If DestMax is 0.\r | |
| 235 | @retval RETURN_ACCESS_DENIED If Source and Destination overlap.\r | |
| 236 | **/\r | |
| 237 | RETURN_STATUS\r | |
| 238 | EFIAPI\r | |
| 239 | StrCpyS (\r | |
| 240 | OUT CHAR16 *Destination,\r | |
| 241 | IN UINTN DestMax,\r | |
| 242 | IN CONST CHAR16 *Source\r | |
| 243 | );\r | |
| 244 | \r | |
| 245 | /**\r | |
| 246 | Copies not more than Length successive char from the string pointed to by\r | |
| 247 | Source to the array pointed to by Destination. If no null char is copied from\r | |
| 248 | Source, then Destination[Length] is always set to null.\r | |
| 249 | \r | |
| 328f84b1 JY |
250 | This function is similar as strncpy_s defined in C11.\r |
| 251 | \r | |
| c058d59f JY |
252 | If Length > 0 and Destination is not aligned on a 16-bit boundary, then ASSERT().\r |
| 253 | If Length > 0 and Source is not aligned on a 16-bit boundary, then ASSERT().\r | |
| 254 | \r | |
| 328f84b1 JY |
255 | If an error is returned, then the Destination is unmodified.\r |
| 256 | \r | |
| c058d59f JY |
257 | @param Destination A pointer to a Null-terminated Unicode string.\r |
| 258 | @param DestMax The maximum number of Destination Unicode\r | |
| 259 | char, including terminating null char.\r | |
| 260 | @param Source A pointer to a Null-terminated Unicode string.\r | |
| 261 | @param Length The maximum number of Unicode characters to copy.\r | |
| 262 | \r | |
| 263 | @retval RETURN_SUCCESS String is copied.\r | |
| 9095d37b | 264 | @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than\r |
| c058d59f JY |
265 | MIN(StrLen(Source), Length).\r |
| 266 | @retval RETURN_INVALID_PARAMETER If Destination is NULL.\r | |
| 267 | If Source is NULL.\r | |
| 268 | If PcdMaximumUnicodeStringLength is not zero,\r | |
| 9095d37b | 269 | and DestMax is greater than\r |
| c058d59f JY |
270 | PcdMaximumUnicodeStringLength.\r |
| 271 | If DestMax is 0.\r | |
| 272 | @retval RETURN_ACCESS_DENIED If Source and Destination overlap.\r | |
| 273 | **/\r | |
| 274 | RETURN_STATUS\r | |
| 275 | EFIAPI\r | |
| 276 | StrnCpyS (\r | |
| 277 | OUT CHAR16 *Destination,\r | |
| 278 | IN UINTN DestMax,\r | |
| 279 | IN CONST CHAR16 *Source,\r | |
| 280 | IN UINTN Length\r | |
| 281 | );\r | |
| 282 | \r | |
| 283 | /**\r | |
| 284 | Appends a copy of the string pointed to by Source (including the terminating\r | |
| 285 | null char) to the end of the string pointed to by Destination.\r | |
| 286 | \r | |
| 328f84b1 JY |
287 | This function is similar as strcat_s defined in C11.\r |
| 288 | \r | |
| c058d59f JY |
289 | If Destination is not aligned on a 16-bit boundary, then ASSERT().\r |
| 290 | If Source is not aligned on a 16-bit boundary, then ASSERT().\r | |
| 291 | \r | |
| 328f84b1 JY |
292 | If an error is returned, then the Destination is unmodified.\r |
| 293 | \r | |
| c058d59f JY |
294 | @param Destination A pointer to a Null-terminated Unicode string.\r |
| 295 | @param DestMax The maximum number of Destination Unicode\r | |
| 296 | char, including terminating null char.\r | |
| 297 | @param Source A pointer to a Null-terminated Unicode string.\r | |
| 298 | \r | |
| 299 | @retval RETURN_SUCCESS String is appended.\r | |
| 9095d37b | 300 | @retval RETURN_BAD_BUFFER_SIZE If DestMax is NOT greater than\r |
| c058d59f JY |
301 | StrLen(Destination).\r |
| 302 | @retval RETURN_BUFFER_TOO_SMALL If (DestMax - StrLen(Destination)) is NOT\r | |
| 303 | greater than StrLen(Source).\r | |
| 304 | @retval RETURN_INVALID_PARAMETER If Destination is NULL.\r | |
| 305 | If Source is NULL.\r | |
| 306 | If PcdMaximumUnicodeStringLength is not zero,\r | |
| 9095d37b | 307 | and DestMax is greater than\r |
| c058d59f JY |
308 | PcdMaximumUnicodeStringLength.\r |
| 309 | If DestMax is 0.\r | |
| 310 | @retval RETURN_ACCESS_DENIED If Source and Destination overlap.\r | |
| 311 | **/\r | |
| 312 | RETURN_STATUS\r | |
| 313 | EFIAPI\r | |
| 314 | StrCatS (\r | |
| 315 | IN OUT CHAR16 *Destination,\r | |
| 316 | IN UINTN DestMax,\r | |
| 317 | IN CONST CHAR16 *Source\r | |
| 318 | );\r | |
| 319 | \r | |
| 320 | /**\r | |
| 321 | Appends not more than Length successive char from the string pointed to by\r | |
| 322 | Source to the end of the string pointed to by Destination. If no null char is\r | |
| 323 | copied from Source, then Destination[StrLen(Destination) + Length] is always\r | |
| 324 | set to null.\r | |
| 325 | \r | |
| 328f84b1 JY |
326 | This function is similar as strncat_s defined in C11.\r |
| 327 | \r | |
| c058d59f | 328 | If Destination is not aligned on a 16-bit boundary, then ASSERT().\r |
| 0e93edbb | 329 | If Source is not aligned on a 16-bit boundary, then ASSERT().\r |
| c058d59f | 330 | \r |
| 328f84b1 JY |
331 | If an error is returned, then the Destination is unmodified.\r |
| 332 | \r | |
| c058d59f JY |
333 | @param Destination A pointer to a Null-terminated Unicode string.\r |
| 334 | @param DestMax The maximum number of Destination Unicode\r | |
| 335 | char, including terminating null char.\r | |
| 336 | @param Source A pointer to a Null-terminated Unicode string.\r | |
| 337 | @param Length The maximum number of Unicode characters to copy.\r | |
| 338 | \r | |
| 339 | @retval RETURN_SUCCESS String is appended.\r | |
| 340 | @retval RETURN_BAD_BUFFER_SIZE If DestMax is NOT greater than\r | |
| 341 | StrLen(Destination).\r | |
| 342 | @retval RETURN_BUFFER_TOO_SMALL If (DestMax - StrLen(Destination)) is NOT\r | |
| 343 | greater than MIN(StrLen(Source), Length).\r | |
| 344 | @retval RETURN_INVALID_PARAMETER If Destination is NULL.\r | |
| 345 | If Source is NULL.\r | |
| 346 | If PcdMaximumUnicodeStringLength is not zero,\r | |
| 9095d37b | 347 | and DestMax is greater than\r |
| c058d59f JY |
348 | PcdMaximumUnicodeStringLength.\r |
| 349 | If DestMax is 0.\r | |
| 350 | @retval RETURN_ACCESS_DENIED If Source and Destination overlap.\r | |
| 351 | **/\r | |
| 352 | RETURN_STATUS\r | |
| 353 | EFIAPI\r | |
| 354 | StrnCatS (\r | |
| 355 | IN OUT CHAR16 *Destination,\r | |
| 356 | IN UINTN DestMax,\r | |
| 357 | IN CONST CHAR16 *Source,\r | |
| 358 | IN UINTN Length\r | |
| 359 | );\r | |
| 360 | \r | |
| d8af3301 HW |
361 | /**\r |
| 362 | Convert a Null-terminated Unicode decimal string to a value of type UINTN.\r | |
| 363 | \r | |
| 364 | This function outputs a value of type UINTN by interpreting the contents of\r | |
| 365 | the Unicode string specified by String as a decimal number. The format of the\r | |
| 366 | input Unicode string String is:\r | |
| 367 | \r | |
| 368 | [spaces] [decimal digits].\r | |
| 369 | \r | |
| 370 | The valid decimal digit character is in the range [0-9]. The function will\r | |
| 371 | ignore the pad space, which includes spaces or tab characters, before\r | |
| 372 | [decimal digits]. The running zero in the beginning of [decimal digits] will\r | |
| 373 | be ignored. Then, the function stops at the first character that is a not a\r | |
| 374 | valid decimal character or a Null-terminator, whichever one comes first.\r | |
| 375 | \r | |
| d8af3301 | 376 | If String is not aligned in a 16-bit boundary, then ASSERT().\r |
| d8af3301 HW |
377 | \r |
| 378 | If String has no valid decimal digits in the above format, then 0 is stored\r | |
| 379 | at the location pointed to by Data.\r | |
| 380 | If the number represented by String exceeds the range defined by UINTN, then\r | |
| 381 | MAX_UINTN is stored at the location pointed to by Data.\r | |
| 382 | \r | |
| 383 | If EndPointer is not NULL, a pointer to the character that stopped the scan\r | |
| 384 | is stored at the location pointed to by EndPointer. If String has no valid\r | |
| 385 | decimal digits right after the optional pad spaces, the value of String is\r | |
| 386 | stored at the location pointed to by EndPointer.\r | |
| 387 | \r | |
| 388 | @param String Pointer to a Null-terminated Unicode string.\r | |
| 389 | @param EndPointer Pointer to character that stops scan.\r | |
| 390 | @param Data Pointer to the converted value.\r | |
| 391 | \r | |
| 392 | @retval RETURN_SUCCESS Value is translated from String.\r | |
| 393 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
| 394 | If Data is NULL.\r | |
| 395 | If PcdMaximumUnicodeStringLength is not\r | |
| 396 | zero, and String contains more than\r | |
| 397 | PcdMaximumUnicodeStringLength Unicode\r | |
| 398 | characters, not including the\r | |
| 399 | Null-terminator.\r | |
| 400 | @retval RETURN_UNSUPPORTED If the number represented by String exceeds\r | |
| 401 | the range defined by UINTN.\r | |
| 402 | \r | |
| 403 | **/\r | |
| 404 | RETURN_STATUS\r | |
| 405 | EFIAPI\r | |
| 406 | StrDecimalToUintnS (\r | |
| 407 | IN CONST CHAR16 *String,\r | |
| 408 | OUT CHAR16 **EndPointer, OPTIONAL\r | |
| 409 | OUT UINTN *Data\r | |
| 410 | );\r | |
| 411 | \r | |
| 412 | /**\r | |
| 413 | Convert a Null-terminated Unicode decimal string to a value of type UINT64.\r | |
| 414 | \r | |
| 415 | This function outputs a value of type UINT64 by interpreting the contents of\r | |
| 416 | the Unicode string specified by String as a decimal number. The format of the\r | |
| 417 | input Unicode string String is:\r | |
| 418 | \r | |
| 419 | [spaces] [decimal digits].\r | |
| 420 | \r | |
| 421 | The valid decimal digit character is in the range [0-9]. The function will\r | |
| 422 | ignore the pad space, which includes spaces or tab characters, before\r | |
| 423 | [decimal digits]. The running zero in the beginning of [decimal digits] will\r | |
| 424 | be ignored. Then, the function stops at the first character that is a not a\r | |
| 425 | valid decimal character or a Null-terminator, whichever one comes first.\r | |
| 426 | \r | |
| d8af3301 | 427 | If String is not aligned in a 16-bit boundary, then ASSERT().\r |
| d8af3301 HW |
428 | \r |
| 429 | If String has no valid decimal digits in the above format, then 0 is stored\r | |
| 430 | at the location pointed to by Data.\r | |
| 431 | If the number represented by String exceeds the range defined by UINT64, then\r | |
| 432 | MAX_UINT64 is stored at the location pointed to by Data.\r | |
| 433 | \r | |
| 434 | If EndPointer is not NULL, a pointer to the character that stopped the scan\r | |
| 435 | is stored at the location pointed to by EndPointer. If String has no valid\r | |
| 436 | decimal digits right after the optional pad spaces, the value of String is\r | |
| 437 | stored at the location pointed to by EndPointer.\r | |
| 438 | \r | |
| 439 | @param String Pointer to a Null-terminated Unicode string.\r | |
| 440 | @param EndPointer Pointer to character that stops scan.\r | |
| 441 | @param Data Pointer to the converted value.\r | |
| 442 | \r | |
| 443 | @retval RETURN_SUCCESS Value is translated from String.\r | |
| 444 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
| 445 | If Data is NULL.\r | |
| 446 | If PcdMaximumUnicodeStringLength is not\r | |
| 447 | zero, and String contains more than\r | |
| 448 | PcdMaximumUnicodeStringLength Unicode\r | |
| 449 | characters, not including the\r | |
| 450 | Null-terminator.\r | |
| 451 | @retval RETURN_UNSUPPORTED If the number represented by String exceeds\r | |
| 452 | the range defined by UINT64.\r | |
| 453 | \r | |
| 454 | **/\r | |
| 455 | RETURN_STATUS\r | |
| 456 | EFIAPI\r | |
| 457 | StrDecimalToUint64S (\r | |
| 458 | IN CONST CHAR16 *String,\r | |
| 459 | OUT CHAR16 **EndPointer, OPTIONAL\r | |
| 460 | OUT UINT64 *Data\r | |
| 461 | );\r | |
| 462 | \r | |
| 463 | /**\r | |
| 464 | Convert a Null-terminated Unicode hexadecimal string to a value of type\r | |
| 465 | UINTN.\r | |
| 466 | \r | |
| 467 | This function outputs a value of type UINTN by interpreting the contents of\r | |
| 468 | the Unicode string specified by String as a hexadecimal number. The format of\r | |
| 469 | the input Unicode string String is:\r | |
| 470 | \r | |
| 471 | [spaces][zeros][x][hexadecimal digits].\r | |
| 472 | \r | |
| 473 | The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F].\r | |
| 474 | The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix.\r | |
| 475 | If "x" appears in the input string, it must be prefixed with at least one 0.\r | |
| 476 | The function will ignore the pad space, which includes spaces or tab\r | |
| 477 | characters, before [zeros], [x] or [hexadecimal digit]. The running zero\r | |
| 478 | before [x] or [hexadecimal digit] will be ignored. Then, the decoding starts\r | |
| 479 | after [x] or the first valid hexadecimal digit. Then, the function stops at\r | |
| 480 | the first character that is a not a valid hexadecimal character or NULL,\r | |
| 481 | whichever one comes first.\r | |
| 482 | \r | |
| d8af3301 | 483 | If String is not aligned in a 16-bit boundary, then ASSERT().\r |
| d8af3301 HW |
484 | \r |
| 485 | If String has no valid hexadecimal digits in the above format, then 0 is\r | |
| 486 | stored at the location pointed to by Data.\r | |
| 487 | If the number represented by String exceeds the range defined by UINTN, then\r | |
| 488 | MAX_UINTN is stored at the location pointed to by Data.\r | |
| 489 | \r | |
| 490 | If EndPointer is not NULL, a pointer to the character that stopped the scan\r | |
| 491 | is stored at the location pointed to by EndPointer. If String has no valid\r | |
| 492 | hexadecimal digits right after the optional pad spaces, the value of String\r | |
| 493 | is stored at the location pointed to by EndPointer.\r | |
| 494 | \r | |
| 495 | @param String Pointer to a Null-terminated Unicode string.\r | |
| 496 | @param EndPointer Pointer to character that stops scan.\r | |
| 497 | @param Data Pointer to the converted value.\r | |
| 498 | \r | |
| 499 | @retval RETURN_SUCCESS Value is translated from String.\r | |
| 500 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
| 501 | If Data is NULL.\r | |
| 502 | If PcdMaximumUnicodeStringLength is not\r | |
| 503 | zero, and String contains more than\r | |
| 504 | PcdMaximumUnicodeStringLength Unicode\r | |
| 505 | characters, not including the\r | |
| 506 | Null-terminator.\r | |
| 507 | @retval RETURN_UNSUPPORTED If the number represented by String exceeds\r | |
| 508 | the range defined by UINTN.\r | |
| 509 | \r | |
| 510 | **/\r | |
| 511 | RETURN_STATUS\r | |
| 512 | EFIAPI\r | |
| 513 | StrHexToUintnS (\r | |
| 514 | IN CONST CHAR16 *String,\r | |
| 515 | OUT CHAR16 **EndPointer, OPTIONAL\r | |
| 516 | OUT UINTN *Data\r | |
| 517 | );\r | |
| 518 | \r | |
| 519 | /**\r | |
| 520 | Convert a Null-terminated Unicode hexadecimal string to a value of type\r | |
| 521 | UINT64.\r | |
| 522 | \r | |
| 523 | This function outputs a value of type UINT64 by interpreting the contents of\r | |
| 524 | the Unicode string specified by String as a hexadecimal number. The format of\r | |
| 525 | the input Unicode string String is:\r | |
| 526 | \r | |
| 527 | [spaces][zeros][x][hexadecimal digits].\r | |
| 528 | \r | |
| 529 | The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F].\r | |
| 530 | The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix.\r | |
| 531 | If "x" appears in the input string, it must be prefixed with at least one 0.\r | |
| 532 | The function will ignore the pad space, which includes spaces or tab\r | |
| 533 | characters, before [zeros], [x] or [hexadecimal digit]. The running zero\r | |
| 534 | before [x] or [hexadecimal digit] will be ignored. Then, the decoding starts\r | |
| 535 | after [x] or the first valid hexadecimal digit. Then, the function stops at\r | |
| 536 | the first character that is a not a valid hexadecimal character or NULL,\r | |
| 537 | whichever one comes first.\r | |
| 538 | \r | |
| d8af3301 | 539 | If String is not aligned in a 16-bit boundary, then ASSERT().\r |
| d8af3301 HW |
540 | \r |
| 541 | If String has no valid hexadecimal digits in the above format, then 0 is\r | |
| 542 | stored at the location pointed to by Data.\r | |
| 543 | If the number represented by String exceeds the range defined by UINT64, then\r | |
| 544 | MAX_UINT64 is stored at the location pointed to by Data.\r | |
| 545 | \r | |
| 546 | If EndPointer is not NULL, a pointer to the character that stopped the scan\r | |
| 547 | is stored at the location pointed to by EndPointer. If String has no valid\r | |
| 548 | hexadecimal digits right after the optional pad spaces, the value of String\r | |
| 549 | is stored at the location pointed to by EndPointer.\r | |
| 550 | \r | |
| 551 | @param String Pointer to a Null-terminated Unicode string.\r | |
| 552 | @param EndPointer Pointer to character that stops scan.\r | |
| 553 | @param Data Pointer to the converted value.\r | |
| 554 | \r | |
| 555 | @retval RETURN_SUCCESS Value is translated from String.\r | |
| 556 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
| 557 | If Data is NULL.\r | |
| 558 | If PcdMaximumUnicodeStringLength is not\r | |
| 559 | zero, and String contains more than\r | |
| 560 | PcdMaximumUnicodeStringLength Unicode\r | |
| 561 | characters, not including the\r | |
| 562 | Null-terminator.\r | |
| 563 | @retval RETURN_UNSUPPORTED If the number represented by String exceeds\r | |
| 564 | the range defined by UINT64.\r | |
| 565 | \r | |
| 566 | **/\r | |
| 567 | RETURN_STATUS\r | |
| 568 | EFIAPI\r | |
| 569 | StrHexToUint64S (\r | |
| 570 | IN CONST CHAR16 *String,\r | |
| 571 | OUT CHAR16 **EndPointer, OPTIONAL\r | |
| 572 | OUT UINT64 *Data\r | |
| 573 | );\r | |
| 574 | \r | |
| c058d59f JY |
575 | /**\r |
| 576 | Returns the length of a Null-terminated Ascii string.\r | |
| 577 | \r | |
| 328f84b1 JY |
578 | This function is similar as strlen_s defined in C11.\r |
| 579 | \r | |
| c058d59f JY |
580 | @param String A pointer to a Null-terminated Ascii string.\r |
| 581 | @param MaxSize The maximum number of Destination Ascii\r | |
| 582 | char, including terminating null char.\r | |
| 583 | \r | |
| 584 | @retval 0 If String is NULL.\r | |
| 585 | @retval MaxSize If there is no null character in the first MaxSize characters of String.\r | |
| 586 | @return The number of characters that percede the terminating null character.\r | |
| 587 | \r | |
| 588 | **/\r | |
| 589 | UINTN\r | |
| 590 | EFIAPI\r | |
| 591 | AsciiStrnLenS (\r | |
| 592 | IN CONST CHAR8 *String,\r | |
| 593 | IN UINTN MaxSize\r | |
| 594 | );\r | |
| 595 | \r | |
| b590e43a HW |
596 | /**\r |
| 597 | Returns the size of a Null-terminated Ascii string in bytes, including the\r | |
| 598 | Null terminator.\r | |
| 599 | \r | |
| 600 | This function returns the size of the Null-terminated Ascii string specified\r | |
| 601 | by String in bytes, including the Null terminator.\r | |
| 602 | \r | |
| 603 | @param String A pointer to a Null-terminated Ascii string.\r | |
| 604 | @param MaxSize The maximum number of Destination Ascii\r | |
| 605 | char, including the Null terminator.\r | |
| 606 | \r | |
| 607 | @retval 0 If String is NULL.\r | |
| 608 | @retval (sizeof (CHAR8) * (MaxSize + 1))\r | |
| 609 | If there is no Null terminator in the first MaxSize characters of\r | |
| 610 | String.\r | |
| 611 | @return The size of the Null-terminated Ascii string in bytes, including the\r | |
| 612 | Null terminator.\r | |
| 613 | \r | |
| 614 | **/\r | |
| 615 | UINTN\r | |
| 616 | EFIAPI\r | |
| 617 | AsciiStrnSizeS (\r | |
| 618 | IN CONST CHAR8 *String,\r | |
| 619 | IN UINTN MaxSize\r | |
| 620 | );\r | |
| 621 | \r | |
| c058d59f JY |
622 | /**\r |
| 623 | Copies the string pointed to by Source (including the terminating null char)\r | |
| 624 | to the array pointed to by Destination.\r | |
| 625 | \r | |
| 328f84b1 JY |
626 | This function is similar as strcpy_s defined in C11.\r |
| 627 | \r | |
| 328f84b1 JY |
628 | If an error is returned, then the Destination is unmodified.\r |
| 629 | \r | |
| c058d59f JY |
630 | @param Destination A pointer to a Null-terminated Ascii string.\r |
| 631 | @param DestMax The maximum number of Destination Ascii\r | |
| 632 | char, including terminating null char.\r | |
| 633 | @param Source A pointer to a Null-terminated Ascii string.\r | |
| 634 | \r | |
| 635 | @retval RETURN_SUCCESS String is copied.\r | |
| 636 | @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than StrLen(Source).\r | |
| 637 | @retval RETURN_INVALID_PARAMETER If Destination is NULL.\r | |
| 638 | If Source is NULL.\r | |
| 639 | If PcdMaximumAsciiStringLength is not zero,\r | |
| 9095d37b | 640 | and DestMax is greater than\r |
| c058d59f JY |
641 | PcdMaximumAsciiStringLength.\r |
| 642 | If DestMax is 0.\r | |
| 643 | @retval RETURN_ACCESS_DENIED If Source and Destination overlap.\r | |
| 644 | **/\r | |
| 645 | RETURN_STATUS\r | |
| 646 | EFIAPI\r | |
| 647 | AsciiStrCpyS (\r | |
| 648 | OUT CHAR8 *Destination,\r | |
| 649 | IN UINTN DestMax,\r | |
| 650 | IN CONST CHAR8 *Source\r | |
| 651 | );\r | |
| 652 | \r | |
| 653 | /**\r | |
| 654 | Copies not more than Length successive char from the string pointed to by\r | |
| 655 | Source to the array pointed to by Destination. If no null char is copied from\r | |
| 656 | Source, then Destination[Length] is always set to null.\r | |
| 657 | \r | |
| 328f84b1 JY |
658 | This function is similar as strncpy_s defined in C11.\r |
| 659 | \r | |
| 328f84b1 JY |
660 | If an error is returned, then the Destination is unmodified.\r |
| 661 | \r | |
| c058d59f JY |
662 | @param Destination A pointer to a Null-terminated Ascii string.\r |
| 663 | @param DestMax The maximum number of Destination Ascii\r | |
| 664 | char, including terminating null char.\r | |
| 665 | @param Source A pointer to a Null-terminated Ascii string.\r | |
| 666 | @param Length The maximum number of Ascii characters to copy.\r | |
| 667 | \r | |
| 668 | @retval RETURN_SUCCESS String is copied.\r | |
| 9095d37b | 669 | @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than\r |
| c058d59f JY |
670 | MIN(StrLen(Source), Length).\r |
| 671 | @retval RETURN_INVALID_PARAMETER If Destination is NULL.\r | |
| 672 | If Source is NULL.\r | |
| 673 | If PcdMaximumAsciiStringLength is not zero,\r | |
| 9095d37b | 674 | and DestMax is greater than\r |
| c058d59f JY |
675 | PcdMaximumAsciiStringLength.\r |
| 676 | If DestMax is 0.\r | |
| 677 | @retval RETURN_ACCESS_DENIED If Source and Destination overlap.\r | |
| 678 | **/\r | |
| 679 | RETURN_STATUS\r | |
| 680 | EFIAPI\r | |
| 681 | AsciiStrnCpyS (\r | |
| 682 | OUT CHAR8 *Destination,\r | |
| 683 | IN UINTN DestMax,\r | |
| 684 | IN CONST CHAR8 *Source,\r | |
| 685 | IN UINTN Length\r | |
| 686 | );\r | |
| 687 | \r | |
| 688 | /**\r | |
| 689 | Appends a copy of the string pointed to by Source (including the terminating\r | |
| 690 | null char) to the end of the string pointed to by Destination.\r | |
| 691 | \r | |
| 328f84b1 JY |
692 | This function is similar as strcat_s defined in C11.\r |
| 693 | \r | |
| 328f84b1 JY |
694 | If an error is returned, then the Destination is unmodified.\r |
| 695 | \r | |
| c058d59f JY |
696 | @param Destination A pointer to a Null-terminated Ascii string.\r |
| 697 | @param DestMax The maximum number of Destination Ascii\r | |
| 698 | char, including terminating null char.\r | |
| 699 | @param Source A pointer to a Null-terminated Ascii string.\r | |
| 700 | \r | |
| 701 | @retval RETURN_SUCCESS String is appended.\r | |
| 9095d37b | 702 | @retval RETURN_BAD_BUFFER_SIZE If DestMax is NOT greater than\r |
| c058d59f JY |
703 | StrLen(Destination).\r |
| 704 | @retval RETURN_BUFFER_TOO_SMALL If (DestMax - StrLen(Destination)) is NOT\r | |
| 705 | greater than StrLen(Source).\r | |
| 706 | @retval RETURN_INVALID_PARAMETER If Destination is NULL.\r | |
| 707 | If Source is NULL.\r | |
| 708 | If PcdMaximumAsciiStringLength is not zero,\r | |
| 9095d37b | 709 | and DestMax is greater than\r |
| c058d59f JY |
710 | PcdMaximumAsciiStringLength.\r |
| 711 | If DestMax is 0.\r | |
| 712 | @retval RETURN_ACCESS_DENIED If Source and Destination overlap.\r | |
| 713 | **/\r | |
| 714 | RETURN_STATUS\r | |
| 715 | EFIAPI\r | |
| 716 | AsciiStrCatS (\r | |
| 717 | IN OUT CHAR8 *Destination,\r | |
| 718 | IN UINTN DestMax,\r | |
| 719 | IN CONST CHAR8 *Source\r | |
| 720 | );\r | |
| 721 | \r | |
| 722 | /**\r | |
| 723 | Appends not more than Length successive char from the string pointed to by\r | |
| 724 | Source to the end of the string pointed to by Destination. If no null char is\r | |
| 725 | copied from Source, then Destination[StrLen(Destination) + Length] is always\r | |
| 726 | set to null.\r | |
| 727 | \r | |
| 328f84b1 JY |
728 | This function is similar as strncat_s defined in C11.\r |
| 729 | \r | |
| 328f84b1 JY |
730 | If an error is returned, then the Destination is unmodified.\r |
| 731 | \r | |
| c058d59f JY |
732 | @param Destination A pointer to a Null-terminated Ascii string.\r |
| 733 | @param DestMax The maximum number of Destination Ascii\r | |
| 734 | char, including terminating null char.\r | |
| 735 | @param Source A pointer to a Null-terminated Ascii string.\r | |
| 736 | @param Length The maximum number of Ascii characters to copy.\r | |
| 737 | \r | |
| 738 | @retval RETURN_SUCCESS String is appended.\r | |
| 739 | @retval RETURN_BAD_BUFFER_SIZE If DestMax is NOT greater than\r | |
| 740 | StrLen(Destination).\r | |
| 741 | @retval RETURN_BUFFER_TOO_SMALL If (DestMax - StrLen(Destination)) is NOT\r | |
| 742 | greater than MIN(StrLen(Source), Length).\r | |
| 743 | @retval RETURN_INVALID_PARAMETER If Destination is NULL.\r | |
| 744 | If Source is NULL.\r | |
| 745 | If PcdMaximumAsciiStringLength is not zero,\r | |
| 9095d37b | 746 | and DestMax is greater than\r |
| c058d59f JY |
747 | PcdMaximumAsciiStringLength.\r |
| 748 | If DestMax is 0.\r | |
| 749 | @retval RETURN_ACCESS_DENIED If Source and Destination overlap.\r | |
| 750 | **/\r | |
| 751 | RETURN_STATUS\r | |
| 752 | EFIAPI\r | |
| 753 | AsciiStrnCatS (\r | |
| 754 | IN OUT CHAR8 *Destination,\r | |
| 755 | IN UINTN DestMax,\r | |
| 756 | IN CONST CHAR8 *Source,\r | |
| 757 | IN UINTN Length\r | |
| 758 | );\r | |
| 759 | \r | |
| d8af3301 HW |
760 | /**\r |
| 761 | Convert a Null-terminated Ascii decimal string to a value of type UINTN.\r | |
| 762 | \r | |
| 763 | This function outputs a value of type UINTN by interpreting the contents of\r | |
| 764 | the Ascii string specified by String as a decimal number. The format of the\r | |
| 765 | input Ascii string String is:\r | |
| 766 | \r | |
| 767 | [spaces] [decimal digits].\r | |
| 768 | \r | |
| 769 | The valid decimal digit character is in the range [0-9]. The function will\r | |
| 770 | ignore the pad space, which includes spaces or tab characters, before\r | |
| 771 | [decimal digits]. The running zero in the beginning of [decimal digits] will\r | |
| 772 | be ignored. Then, the function stops at the first character that is a not a\r | |
| 773 | valid decimal character or a Null-terminator, whichever one comes first.\r | |
| 774 | \r | |
| d8af3301 HW |
775 | If String has no valid decimal digits in the above format, then 0 is stored\r |
| 776 | at the location pointed to by Data.\r | |
| 777 | If the number represented by String exceeds the range defined by UINTN, then\r | |
| 778 | MAX_UINTN is stored at the location pointed to by Data.\r | |
| 779 | \r | |
| 780 | If EndPointer is not NULL, a pointer to the character that stopped the scan\r | |
| 781 | is stored at the location pointed to by EndPointer. If String has no valid\r | |
| 782 | decimal digits right after the optional pad spaces, the value of String is\r | |
| 783 | stored at the location pointed to by EndPointer.\r | |
| 784 | \r | |
| 785 | @param String Pointer to a Null-terminated Ascii string.\r | |
| 786 | @param EndPointer Pointer to character that stops scan.\r | |
| 787 | @param Data Pointer to the converted value.\r | |
| 788 | \r | |
| 789 | @retval RETURN_SUCCESS Value is translated from String.\r | |
| 790 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
| 791 | If Data is NULL.\r | |
| 792 | If PcdMaximumAsciiStringLength is not zero,\r | |
| 793 | and String contains more than\r | |
| 794 | PcdMaximumAsciiStringLength Ascii\r | |
| 795 | characters, not including the\r | |
| 796 | Null-terminator.\r | |
| 797 | @retval RETURN_UNSUPPORTED If the number represented by String exceeds\r | |
| 798 | the range defined by UINTN.\r | |
| 799 | \r | |
| 800 | **/\r | |
| 801 | RETURN_STATUS\r | |
| 802 | EFIAPI\r | |
| 803 | AsciiStrDecimalToUintnS (\r | |
| 804 | IN CONST CHAR8 *String,\r | |
| 805 | OUT CHAR8 **EndPointer, OPTIONAL\r | |
| 806 | OUT UINTN *Data\r | |
| 807 | );\r | |
| 808 | \r | |
| 809 | /**\r | |
| 810 | Convert a Null-terminated Ascii decimal string to a value of type UINT64.\r | |
| 811 | \r | |
| 812 | This function outputs a value of type UINT64 by interpreting the contents of\r | |
| 813 | the Ascii string specified by String as a decimal number. The format of the\r | |
| 814 | input Ascii string String is:\r | |
| 815 | \r | |
| 816 | [spaces] [decimal digits].\r | |
| 817 | \r | |
| 818 | The valid decimal digit character is in the range [0-9]. The function will\r | |
| 819 | ignore the pad space, which includes spaces or tab characters, before\r | |
| 820 | [decimal digits]. The running zero in the beginning of [decimal digits] will\r | |
| 821 | be ignored. Then, the function stops at the first character that is a not a\r | |
| 822 | valid decimal character or a Null-terminator, whichever one comes first.\r | |
| 823 | \r | |
| d8af3301 HW |
824 | If String has no valid decimal digits in the above format, then 0 is stored\r |
| 825 | at the location pointed to by Data.\r | |
| 826 | If the number represented by String exceeds the range defined by UINT64, then\r | |
| 827 | MAX_UINT64 is stored at the location pointed to by Data.\r | |
| 828 | \r | |
| 829 | If EndPointer is not NULL, a pointer to the character that stopped the scan\r | |
| 830 | is stored at the location pointed to by EndPointer. If String has no valid\r | |
| 831 | decimal digits right after the optional pad spaces, the value of String is\r | |
| 832 | stored at the location pointed to by EndPointer.\r | |
| 833 | \r | |
| 834 | @param String Pointer to a Null-terminated Ascii string.\r | |
| 835 | @param EndPointer Pointer to character that stops scan.\r | |
| 836 | @param Data Pointer to the converted value.\r | |
| 837 | \r | |
| 838 | @retval RETURN_SUCCESS Value is translated from String.\r | |
| 839 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
| 840 | If Data is NULL.\r | |
| 841 | If PcdMaximumAsciiStringLength is not zero,\r | |
| 842 | and String contains more than\r | |
| 843 | PcdMaximumAsciiStringLength Ascii\r | |
| 844 | characters, not including the\r | |
| 845 | Null-terminator.\r | |
| 846 | @retval RETURN_UNSUPPORTED If the number represented by String exceeds\r | |
| 847 | the range defined by UINT64.\r | |
| 848 | \r | |
| 849 | **/\r | |
| 850 | RETURN_STATUS\r | |
| 851 | EFIAPI\r | |
| 852 | AsciiStrDecimalToUint64S (\r | |
| 853 | IN CONST CHAR8 *String,\r | |
| 854 | OUT CHAR8 **EndPointer, OPTIONAL\r | |
| 855 | OUT UINT64 *Data\r | |
| 856 | );\r | |
| 857 | \r | |
| 858 | /**\r | |
| 859 | Convert a Null-terminated Ascii hexadecimal string to a value of type UINTN.\r | |
| 860 | \r | |
| 861 | This function outputs a value of type UINTN by interpreting the contents of\r | |
| 862 | the Ascii string specified by String as a hexadecimal number. The format of\r | |
| 863 | the input Ascii string String is:\r | |
| 864 | \r | |
| 865 | [spaces][zeros][x][hexadecimal digits].\r | |
| 866 | \r | |
| 867 | The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F].\r | |
| 868 | The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix. If\r | |
| 869 | "x" appears in the input string, it must be prefixed with at least one 0. The\r | |
| 870 | function will ignore the pad space, which includes spaces or tab characters,\r | |
| 871 | before [zeros], [x] or [hexadecimal digits]. The running zero before [x] or\r | |
| 872 | [hexadecimal digits] will be ignored. Then, the decoding starts after [x] or\r | |
| 873 | the first valid hexadecimal digit. Then, the function stops at the first\r | |
| 874 | character that is a not a valid hexadecimal character or Null-terminator,\r | |
| 875 | whichever on comes first.\r | |
| 876 | \r | |
| d8af3301 HW |
877 | If String has no valid hexadecimal digits in the above format, then 0 is\r |
| 878 | stored at the location pointed to by Data.\r | |
| 879 | If the number represented by String exceeds the range defined by UINTN, then\r | |
| 880 | MAX_UINTN is stored at the location pointed to by Data.\r | |
| 881 | \r | |
| 882 | If EndPointer is not NULL, a pointer to the character that stopped the scan\r | |
| 883 | is stored at the location pointed to by EndPointer. If String has no valid\r | |
| 884 | hexadecimal digits right after the optional pad spaces, the value of String\r | |
| 885 | is stored at the location pointed to by EndPointer.\r | |
| 886 | \r | |
| 887 | @param String Pointer to a Null-terminated Ascii string.\r | |
| 888 | @param EndPointer Pointer to character that stops scan.\r | |
| 889 | @param Data Pointer to the converted value.\r | |
| 890 | \r | |
| 891 | @retval RETURN_SUCCESS Value is translated from String.\r | |
| 892 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
| 893 | If Data is NULL.\r | |
| 894 | If PcdMaximumAsciiStringLength is not zero,\r | |
| 895 | and String contains more than\r | |
| 896 | PcdMaximumAsciiStringLength Ascii\r | |
| 897 | characters, not including the\r | |
| 898 | Null-terminator.\r | |
| 899 | @retval RETURN_UNSUPPORTED If the number represented by String exceeds\r | |
| 900 | the range defined by UINTN.\r | |
| 901 | \r | |
| 902 | **/\r | |
| 903 | RETURN_STATUS\r | |
| 904 | EFIAPI\r | |
| 905 | AsciiStrHexToUintnS (\r | |
| 906 | IN CONST CHAR8 *String,\r | |
| 907 | OUT CHAR8 **EndPointer, OPTIONAL\r | |
| 908 | OUT UINTN *Data\r | |
| 909 | );\r | |
| 910 | \r | |
| 911 | /**\r | |
| 912 | Convert a Null-terminated Ascii hexadecimal string to a value of type UINT64.\r | |
| 913 | \r | |
| 914 | This function outputs a value of type UINT64 by interpreting the contents of\r | |
| 915 | the Ascii string specified by String as a hexadecimal number. The format of\r | |
| 916 | the input Ascii string String is:\r | |
| 917 | \r | |
| 918 | [spaces][zeros][x][hexadecimal digits].\r | |
| 919 | \r | |
| 920 | The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F].\r | |
| 921 | The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix. If\r | |
| 922 | "x" appears in the input string, it must be prefixed with at least one 0. The\r | |
| 923 | function will ignore the pad space, which includes spaces or tab characters,\r | |
| 924 | before [zeros], [x] or [hexadecimal digits]. The running zero before [x] or\r | |
| 925 | [hexadecimal digits] will be ignored. Then, the decoding starts after [x] or\r | |
| 926 | the first valid hexadecimal digit. Then, the function stops at the first\r | |
| 927 | character that is a not a valid hexadecimal character or Null-terminator,\r | |
| 928 | whichever on comes first.\r | |
| 929 | \r | |
| d8af3301 HW |
930 | If String has no valid hexadecimal digits in the above format, then 0 is\r |
| 931 | stored at the location pointed to by Data.\r | |
| 932 | If the number represented by String exceeds the range defined by UINT64, then\r | |
| 933 | MAX_UINT64 is stored at the location pointed to by Data.\r | |
| 934 | \r | |
| 935 | If EndPointer is not NULL, a pointer to the character that stopped the scan\r | |
| 936 | is stored at the location pointed to by EndPointer. If String has no valid\r | |
| 937 | hexadecimal digits right after the optional pad spaces, the value of String\r | |
| 938 | is stored at the location pointed to by EndPointer.\r | |
| 939 | \r | |
| 940 | @param String Pointer to a Null-terminated Ascii string.\r | |
| 941 | @param EndPointer Pointer to character that stops scan.\r | |
| 942 | @param Data Pointer to the converted value.\r | |
| 943 | \r | |
| 944 | @retval RETURN_SUCCESS Value is translated from String.\r | |
| 945 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
| 946 | If Data is NULL.\r | |
| 947 | If PcdMaximumAsciiStringLength is not zero,\r | |
| 948 | and String contains more than\r | |
| 949 | PcdMaximumAsciiStringLength Ascii\r | |
| 950 | characters, not including the\r | |
| 951 | Null-terminator.\r | |
| 952 | @retval RETURN_UNSUPPORTED If the number represented by String exceeds\r | |
| 953 | the range defined by UINT64.\r | |
| 954 | \r | |
| 955 | **/\r | |
| 956 | RETURN_STATUS\r | |
| 957 | EFIAPI\r | |
| 958 | AsciiStrHexToUint64S (\r | |
| 959 | IN CONST CHAR8 *String,\r | |
| 960 | OUT CHAR8 **EndPointer, OPTIONAL\r | |
| 961 | OUT UINT64 *Data\r | |
| 962 | );\r | |
| 963 | \r | |
| c058d59f | 964 | \r |
| ac644614 | 965 | /**\r |
| 966 | Returns the length of a Null-terminated Unicode string.\r | |
| 967 | \r | |
| 968 | This function returns the number of Unicode characters in the Null-terminated\r | |
| 969 | Unicode string specified by String.\r | |
| 970 | \r | |
| 971 | If String is NULL, then ASSERT().\r | |
| 972 | If String is not aligned on a 16-bit boundary, then ASSERT().\r | |
| 973 | If PcdMaximumUnicodeStringLength is not zero, and String contains more than\r | |
| 974 | PcdMaximumUnicodeStringLength Unicode characters not including the\r | |
| 975 | Null-terminator, then ASSERT().\r | |
| 976 | \r | |
| 977 | @param String Pointer to a Null-terminated Unicode string.\r | |
| 978 | \r | |
| 979 | @return The length of String.\r | |
| 980 | \r | |
| 981 | **/\r | |
| 982 | UINTN\r | |
| 983 | EFIAPI\r | |
| 984 | StrLen (\r | |
| 985 | IN CONST CHAR16 *String\r | |
| 986 | );\r | |
| 987 | \r | |
| 988 | \r | |
| 989 | /**\r | |
| 990 | Returns the size of a Null-terminated Unicode string in bytes, including the\r | |
| 991 | Null terminator.\r | |
| 992 | \r | |
| 9095d37b | 993 | This function returns the size, in bytes, of the Null-terminated Unicode string\r |
| 17f695ed | 994 | specified by String.\r |
| ac644614 | 995 | \r |
| 996 | If String is NULL, then ASSERT().\r | |
| 997 | If String is not aligned on a 16-bit boundary, then ASSERT().\r | |
| 998 | If PcdMaximumUnicodeStringLength is not zero, and String contains more than\r | |
| 999 | PcdMaximumUnicodeStringLength Unicode characters not including the\r | |
| 1000 | Null-terminator, then ASSERT().\r | |
| 1001 | \r | |
| af2dc6a7 | 1002 | @param String The pointer to a Null-terminated Unicode string.\r |
| ac644614 | 1003 | \r |
| 1004 | @return The size of String.\r | |
| 1005 | \r | |
| 1006 | **/\r | |
| 1007 | UINTN\r | |
| 1008 | EFIAPI\r | |
| 1009 | StrSize (\r | |
| 1010 | IN CONST CHAR16 *String\r | |
| 1011 | );\r | |
| 1012 | \r | |
| 1013 | \r | |
| 1014 | /**\r | |
| 1015 | Compares two Null-terminated Unicode strings, and returns the difference\r | |
| 1016 | between the first mismatched Unicode characters.\r | |
| 1017 | \r | |
| 1018 | This function compares the Null-terminated Unicode string FirstString to the\r | |
| 1019 | Null-terminated Unicode string SecondString. If FirstString is identical to\r | |
| 1020 | SecondString, then 0 is returned. Otherwise, the value returned is the first\r | |
| 1021 | mismatched Unicode character in SecondString subtracted from the first\r | |
| 1022 | mismatched Unicode character in FirstString.\r | |
| 1023 | \r | |
| 1024 | If FirstString is NULL, then ASSERT().\r | |
| 1025 | If FirstString is not aligned on a 16-bit boundary, then ASSERT().\r | |
| 1026 | If SecondString is NULL, then ASSERT().\r | |
| 1027 | If SecondString is not aligned on a 16-bit boundary, then ASSERT().\r | |
| 1028 | If PcdMaximumUnicodeStringLength is not zero, and FirstString contains more\r | |
| 1029 | than PcdMaximumUnicodeStringLength Unicode characters not including the\r | |
| 1030 | Null-terminator, then ASSERT().\r | |
| 1031 | If PcdMaximumUnicodeStringLength is not zero, and SecondString contains more\r | |
| af2dc6a7 | 1032 | than PcdMaximumUnicodeStringLength Unicode characters, not including the\r |
| ac644614 | 1033 | Null-terminator, then ASSERT().\r |
| 1034 | \r | |
| af2dc6a7 | 1035 | @param FirstString The pointer to a Null-terminated Unicode string.\r |
| 1036 | @param SecondString The pointer to a Null-terminated Unicode string.\r | |
| ac644614 | 1037 | \r |
| 1106ffe1 | 1038 | @retval 0 FirstString is identical to SecondString.\r |
| 1039 | @return others FirstString is not identical to SecondString.\r | |
| ac644614 | 1040 | \r |
| 1041 | **/\r | |
| 1042 | INTN\r | |
| 1043 | EFIAPI\r | |
| 1044 | StrCmp (\r | |
| 1045 | IN CONST CHAR16 *FirstString,\r | |
| 1046 | IN CONST CHAR16 *SecondString\r | |
| 1047 | );\r | |
| 1048 | \r | |
| 1049 | \r | |
| 1050 | /**\r | |
| 17f695ed | 1051 | Compares up to a specified length the contents of two Null-terminated Unicode strings,\r |
| 1052 | and returns the difference between the first mismatched Unicode characters.\r | |
| 9095d37b | 1053 | \r |
| ac644614 | 1054 | This function compares the Null-terminated Unicode string FirstString to the\r |
| 1055 | Null-terminated Unicode string SecondString. At most, Length Unicode\r | |
| 1056 | characters will be compared. If Length is 0, then 0 is returned. If\r | |
| 1057 | FirstString is identical to SecondString, then 0 is returned. Otherwise, the\r | |
| 1058 | value returned is the first mismatched Unicode character in SecondString\r | |
| 1059 | subtracted from the first mismatched Unicode character in FirstString.\r | |
| 1060 | \r | |
| 1061 | If Length > 0 and FirstString is NULL, then ASSERT().\r | |
| 77f863ee | 1062 | If Length > 0 and FirstString is not aligned on a 16-bit boundary, then ASSERT().\r |
| ac644614 | 1063 | If Length > 0 and SecondString is NULL, then ASSERT().\r |
| 77f863ee | 1064 | If Length > 0 and SecondString is not aligned on a 16-bit boundary, then ASSERT().\r |
| 50c247fd | 1065 | If PcdMaximumUnicodeStringLength is not zero, and Length is greater than\r |
| 1066 | PcdMaximumUnicodeStringLength, then ASSERT().\r | |
| 1067 | If PcdMaximumUnicodeStringLength is not zero, and FirstString contains more than\r | |
| 1068 | PcdMaximumUnicodeStringLength Unicode characters, not including the Null-terminator,\r | |
| 1069 | then ASSERT().\r | |
| 1070 | If PcdMaximumUnicodeStringLength is not zero, and SecondString contains more than\r | |
| 1071 | PcdMaximumUnicodeStringLength Unicode characters, not including the Null-terminator,\r | |
| 1072 | then ASSERT().\r | |
| ac644614 | 1073 | \r |
| af2dc6a7 | 1074 | @param FirstString The pointer to a Null-terminated Unicode string.\r |
| 1075 | @param SecondString The pointer to a Null-terminated Unicode string.\r | |
| 1076 | @param Length The maximum number of Unicode characters to compare.\r | |
| ac644614 | 1077 | \r |
| 1106ffe1 | 1078 | @retval 0 FirstString is identical to SecondString.\r |
| 1079 | @return others FirstString is not identical to SecondString.\r | |
| ac644614 | 1080 | \r |
| 1081 | **/\r | |
| 1082 | INTN\r | |
| 1083 | EFIAPI\r | |
| 1084 | StrnCmp (\r | |
| 1085 | IN CONST CHAR16 *FirstString,\r | |
| 1086 | IN CONST CHAR16 *SecondString,\r | |
| 1087 | IN UINTN Length\r | |
| 1088 | );\r | |
| 1089 | \r | |
| 1090 | \r | |
| ac644614 | 1091 | /**\r |
| 9aa049d9 | 1092 | Returns the first occurrence of a Null-terminated Unicode sub-string\r |
| ac644614 | 1093 | in a Null-terminated Unicode string.\r |
| 1094 | \r | |
| 1095 | This function scans the contents of the Null-terminated Unicode string\r | |
| 1096 | specified by String and returns the first occurrence of SearchString.\r | |
| 1097 | If SearchString is not found in String, then NULL is returned. If\r | |
| af2dc6a7 | 1098 | the length of SearchString is zero, then String is returned.\r |
| ac644614 | 1099 | \r |
| 1100 | If String is NULL, then ASSERT().\r | |
| 1101 | If String is not aligned on a 16-bit boundary, then ASSERT().\r | |
| 1102 | If SearchString is NULL, then ASSERT().\r | |
| 1103 | If SearchString is not aligned on a 16-bit boundary, then ASSERT().\r | |
| 1104 | \r | |
| 1105 | If PcdMaximumUnicodeStringLength is not zero, and SearchString\r | |
| 1106 | or String contains more than PcdMaximumUnicodeStringLength Unicode\r | |
| af2dc6a7 | 1107 | characters, not including the Null-terminator, then ASSERT().\r |
| ac644614 | 1108 | \r |
| af2dc6a7 | 1109 | @param String The pointer to a Null-terminated Unicode string.\r |
| 1110 | @param SearchString The pointer to a Null-terminated Unicode string to search for.\r | |
| ac644614 | 1111 | \r |
| 1112 | @retval NULL If the SearchString does not appear in String.\r | |
| 1106ffe1 | 1113 | @return others If there is a match.\r |
| ac644614 | 1114 | \r |
| 1115 | **/\r | |
| 1116 | CHAR16 *\r | |
| 1117 | EFIAPI\r | |
| 1118 | StrStr (\r | |
| 17f695ed | 1119 | IN CONST CHAR16 *String,\r |
| 1120 | IN CONST CHAR16 *SearchString\r | |
| ac644614 | 1121 | );\r |
| 1122 | \r | |
| 1123 | /**\r | |
| 1124 | Convert a Null-terminated Unicode decimal string to a value of\r | |
| 1125 | type UINTN.\r | |
| 1126 | \r | |
| 1127 | This function returns a value of type UINTN by interpreting the contents\r | |
| 1128 | of the Unicode string specified by String as a decimal number. The format\r | |
| 1129 | of the input Unicode string String is:\r | |
| 1130 | \r | |
| 1131 | [spaces] [decimal digits].\r | |
| 1132 | \r | |
| 1133 | The valid decimal digit character is in the range [0-9]. The\r | |
| 1134 | function will ignore the pad space, which includes spaces or\r | |
| 1135 | tab characters, before [decimal digits]. The running zero in the\r | |
| 1136 | beginning of [decimal digits] will be ignored. Then, the function\r | |
| 1137 | stops at the first character that is a not a valid decimal character\r | |
| 1138 | or a Null-terminator, whichever one comes first.\r | |
| 1139 | \r | |
| 1140 | If String is NULL, then ASSERT().\r | |
| 1141 | If String is not aligned in a 16-bit boundary, then ASSERT().\r | |
| 1142 | If String has only pad spaces, then 0 is returned.\r | |
| 1143 | If String has no pad spaces or valid decimal digits,\r | |
| 1144 | then 0 is returned.\r | |
| 1145 | If the number represented by String overflows according\r | |
| ea2e0921 | 1146 | to the range defined by UINTN, then MAX_UINTN is returned.\r |
| ac644614 | 1147 | \r |
| 1148 | If PcdMaximumUnicodeStringLength is not zero, and String contains\r | |
| 1149 | more than PcdMaximumUnicodeStringLength Unicode characters not including\r | |
| 1150 | the Null-terminator, then ASSERT().\r | |
| 1151 | \r | |
| af2dc6a7 | 1152 | @param String The pointer to a Null-terminated Unicode string.\r |
| ac644614 | 1153 | \r |
| 38bbd3d9 | 1154 | @retval Value translated from String.\r |
| ac644614 | 1155 | \r |
| 1156 | **/\r | |
| 1157 | UINTN\r | |
| 1158 | EFIAPI\r | |
| 1159 | StrDecimalToUintn (\r | |
| 17f695ed | 1160 | IN CONST CHAR16 *String\r |
| ac644614 | 1161 | );\r |
| 1162 | \r | |
| 1163 | /**\r | |
| 1164 | Convert a Null-terminated Unicode decimal string to a value of\r | |
| 1165 | type UINT64.\r | |
| 1166 | \r | |
| 1167 | This function returns a value of type UINT64 by interpreting the contents\r | |
| 1168 | of the Unicode string specified by String as a decimal number. The format\r | |
| 1169 | of the input Unicode string String is:\r | |
| 1170 | \r | |
| 1171 | [spaces] [decimal digits].\r | |
| 1172 | \r | |
| 1173 | The valid decimal digit character is in the range [0-9]. The\r | |
| 1174 | function will ignore the pad space, which includes spaces or\r | |
| 1175 | tab characters, before [decimal digits]. The running zero in the\r | |
| 1176 | beginning of [decimal digits] will be ignored. Then, the function\r | |
| 1177 | stops at the first character that is a not a valid decimal character\r | |
| 1178 | or a Null-terminator, whichever one comes first.\r | |
| 1179 | \r | |
| 1180 | If String is NULL, then ASSERT().\r | |
| 1181 | If String is not aligned in a 16-bit boundary, then ASSERT().\r | |
| 1182 | If String has only pad spaces, then 0 is returned.\r | |
| 1183 | If String has no pad spaces or valid decimal digits,\r | |
| 1184 | then 0 is returned.\r | |
| 1185 | If the number represented by String overflows according\r | |
| ea2e0921 | 1186 | to the range defined by UINT64, then MAX_UINT64 is returned.\r |
| ac644614 | 1187 | \r |
| 1188 | If PcdMaximumUnicodeStringLength is not zero, and String contains\r | |
| 1189 | more than PcdMaximumUnicodeStringLength Unicode characters not including\r | |
| 1190 | the Null-terminator, then ASSERT().\r | |
| 1191 | \r | |
| af2dc6a7 | 1192 | @param String The pointer to a Null-terminated Unicode string.\r |
| ac644614 | 1193 | \r |
| 38bbd3d9 | 1194 | @retval Value translated from String.\r |
| ac644614 | 1195 | \r |
| 1196 | **/\r | |
| 1197 | UINT64\r | |
| 1198 | EFIAPI\r | |
| 1199 | StrDecimalToUint64 (\r | |
| 17f695ed | 1200 | IN CONST CHAR16 *String\r |
| ac644614 | 1201 | );\r |
| 9095d37b | 1202 | \r |
| ac644614 | 1203 | \r |
| 1204 | /**\r | |
| 1205 | Convert a Null-terminated Unicode hexadecimal string to a value of type UINTN.\r | |
| 1206 | \r | |
| 1207 | This function returns a value of type UINTN by interpreting the contents\r | |
| 1208 | of the Unicode string specified by String as a hexadecimal number.\r | |
| 1209 | The format of the input Unicode string String is:\r | |
| 1210 | \r | |
| 1211 | [spaces][zeros][x][hexadecimal digits].\r | |
| 1212 | \r | |
| 1213 | The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F].\r | |
| 1214 | The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix.\r | |
| 1215 | If "x" appears in the input string, it must be prefixed with at least one 0.\r | |
| 1216 | The function will ignore the pad space, which includes spaces or tab characters,\r | |
| 1217 | before [zeros], [x] or [hexadecimal digit]. The running zero before [x] or\r | |
| 1218 | [hexadecimal digit] will be ignored. Then, the decoding starts after [x] or the\r | |
| 9095d37b | 1219 | first valid hexadecimal digit. Then, the function stops at the first character\r |
| af2dc6a7 | 1220 | that is a not a valid hexadecimal character or NULL, whichever one comes first.\r |
| ac644614 | 1221 | \r |
| 1222 | If String is NULL, then ASSERT().\r | |
| 1223 | If String is not aligned in a 16-bit boundary, then ASSERT().\r | |
| 1224 | If String has only pad spaces, then zero is returned.\r | |
| 1225 | If String has no leading pad spaces, leading zeros or valid hexadecimal digits,\r | |
| 1226 | then zero is returned.\r | |
| 1227 | If the number represented by String overflows according to the range defined by\r | |
| ea2e0921 | 1228 | UINTN, then MAX_UINTN is returned.\r |
| ac644614 | 1229 | \r |
| 1230 | If PcdMaximumUnicodeStringLength is not zero, and String contains more than\r | |
| 1231 | PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator,\r | |
| 1232 | then ASSERT().\r | |
| 1233 | \r | |
| af2dc6a7 | 1234 | @param String The pointer to a Null-terminated Unicode string.\r |
| ac644614 | 1235 | \r |
| 38bbd3d9 | 1236 | @retval Value translated from String.\r |
| ac644614 | 1237 | \r |
| 1238 | **/\r | |
| 1239 | UINTN\r | |
| 1240 | EFIAPI\r | |
| 1241 | StrHexToUintn (\r | |
| 17f695ed | 1242 | IN CONST CHAR16 *String\r |
| ac644614 | 1243 | );\r |
| 1244 | \r | |
| 1245 | \r | |
| 1246 | /**\r | |
| 1247 | Convert a Null-terminated Unicode hexadecimal string to a value of type UINT64.\r | |
| 1248 | \r | |
| 1249 | This function returns a value of type UINT64 by interpreting the contents\r | |
| 1250 | of the Unicode string specified by String as a hexadecimal number.\r | |
| 1251 | The format of the input Unicode string String is\r | |
| 1252 | \r | |
| 1253 | [spaces][zeros][x][hexadecimal digits].\r | |
| 1254 | \r | |
| 1255 | The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F].\r | |
| 1256 | The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix.\r | |
| 1257 | If "x" appears in the input string, it must be prefixed with at least one 0.\r | |
| 1258 | The function will ignore the pad space, which includes spaces or tab characters,\r | |
| 1259 | before [zeros], [x] or [hexadecimal digit]. The running zero before [x] or\r | |
| 1260 | [hexadecimal digit] will be ignored. Then, the decoding starts after [x] or the\r | |
| 1261 | first valid hexadecimal digit. Then, the function stops at the first character that is\r | |
| 1262 | a not a valid hexadecimal character or NULL, whichever one comes first.\r | |
| 1263 | \r | |
| 1264 | If String is NULL, then ASSERT().\r | |
| 1265 | If String is not aligned in a 16-bit boundary, then ASSERT().\r | |
| 1266 | If String has only pad spaces, then zero is returned.\r | |
| 1267 | If String has no leading pad spaces, leading zeros or valid hexadecimal digits,\r | |
| 1268 | then zero is returned.\r | |
| 1269 | If the number represented by String overflows according to the range defined by\r | |
| ea2e0921 | 1270 | UINT64, then MAX_UINT64 is returned.\r |
| ac644614 | 1271 | \r |
| 1272 | If PcdMaximumUnicodeStringLength is not zero, and String contains more than\r | |
| 1273 | PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator,\r | |
| 1274 | then ASSERT().\r | |
| 1275 | \r | |
| af2dc6a7 | 1276 | @param String The pointer to a Null-terminated Unicode string.\r |
| ac644614 | 1277 | \r |
| 38bbd3d9 | 1278 | @retval Value translated from String.\r |
| ac644614 | 1279 | \r |
| 1280 | **/\r | |
| 1281 | UINT64\r | |
| 1282 | EFIAPI\r | |
| 1283 | StrHexToUint64 (\r | |
| 17f695ed | 1284 | IN CONST CHAR16 *String\r |
| ac644614 | 1285 | );\r |
| 1286 | \r | |
| 36396ea2 RN |
1287 | /**\r |
| 1288 | Convert a Null-terminated Unicode string to IPv6 address and prefix length.\r | |
| 1289 | \r | |
| 1290 | This function outputs a value of type IPv6_ADDRESS and may output a value\r | |
| 1291 | of type UINT8 by interpreting the contents of the Unicode string specified\r | |
| 1292 | by String. The format of the input Unicode string String is as follows:\r | |
| 1293 | \r | |
| 1294 | X:X:X:X:X:X:X:X[/P]\r | |
| 1295 | \r | |
| 1296 | X contains one to four hexadecimal digit characters in the range [0-9], [a-f] and\r | |
| 1297 | [A-F]. X is converted to a value of type UINT16, whose low byte is stored in low\r | |
| 1298 | memory address and high byte is stored in high memory address. P contains decimal\r | |
| 1299 | digit characters in the range [0-9]. The running zero in the beginning of P will\r | |
| 1300 | be ignored. /P is optional.\r | |
| 1301 | \r | |
| 1302 | When /P is not in the String, the function stops at the first character that is\r | |
| 1303 | not a valid hexadecimal digit character after eight X's are converted.\r | |
| 1304 | \r | |
| 1305 | When /P is in the String, the function stops at the first character that is not\r | |
| 1306 | a valid decimal digit character after P is converted.\r | |
| 1307 | \r | |
| 1308 | "::" can be used to compress one or more groups of X when X contains only 0.\r | |
| 1309 | The "::" can only appear once in the String.\r | |
| 1310 | \r | |
| 36396ea2 RN |
1311 | If String is not aligned in a 16-bit boundary, then ASSERT().\r |
| 1312 | \r | |
| 36396ea2 RN |
1313 | If EndPointer is not NULL and Address is translated from String, a pointer\r |
| 1314 | to the character that stopped the scan is stored at the location pointed to\r | |
| 1315 | by EndPointer.\r | |
| 1316 | \r | |
| 1317 | @param String Pointer to a Null-terminated Unicode string.\r | |
| 1318 | @param EndPointer Pointer to character that stops scan.\r | |
| 1319 | @param Address Pointer to the converted IPv6 address.\r | |
| 1320 | @param PrefixLength Pointer to the converted IPv6 address prefix\r | |
| 1321 | length. MAX_UINT8 is returned when /P is\r | |
| 1322 | not in the String.\r | |
| 1323 | \r | |
| 1324 | @retval RETURN_SUCCESS Address is translated from String.\r | |
| 1325 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
| 1326 | If Data is NULL.\r | |
| 1327 | @retval RETURN_UNSUPPORTED If X contains more than four hexadecimal\r | |
| 1328 | digit characters.\r | |
| 1329 | If String contains "::" and number of X\r | |
| 1330 | is not less than 8.\r | |
| 1331 | If P starts with character that is not a\r | |
| 1332 | valid decimal digit character.\r | |
| 1333 | If the decimal number converted from P\r | |
| 1334 | exceeds 128.\r | |
| 1335 | \r | |
| 1336 | **/\r | |
| 1337 | RETURN_STATUS\r | |
| 1338 | EFIAPI\r | |
| 1339 | StrToIpv6Address (\r | |
| 1340 | IN CONST CHAR16 *String,\r | |
| 1341 | OUT CHAR16 **EndPointer, OPTIONAL\r | |
| 1342 | OUT IPv6_ADDRESS *Address,\r | |
| 1343 | OUT UINT8 *PrefixLength OPTIONAL\r | |
| 1344 | );\r | |
| 1345 | \r | |
| 1346 | /**\r | |
| 1347 | Convert a Null-terminated Unicode string to IPv4 address and prefix length.\r | |
| 1348 | \r | |
| 1349 | This function outputs a value of type IPv4_ADDRESS and may output a value\r | |
| 1350 | of type UINT8 by interpreting the contents of the Unicode string specified\r | |
| 1351 | by String. The format of the input Unicode string String is as follows:\r | |
| 1352 | \r | |
| 1353 | D.D.D.D[/P]\r | |
| 1354 | \r | |
| 1355 | D and P are decimal digit characters in the range [0-9]. The running zero in\r | |
| 1356 | the beginning of D and P will be ignored. /P is optional.\r | |
| 1357 | \r | |
| 1358 | When /P is not in the String, the function stops at the first character that is\r | |
| 1359 | not a valid decimal digit character after four D's are converted.\r | |
| 1360 | \r | |
| 1361 | When /P is in the String, the function stops at the first character that is not\r | |
| 1362 | a valid decimal digit character after P is converted.\r | |
| 1363 | \r | |
| 36396ea2 RN |
1364 | If String is not aligned in a 16-bit boundary, then ASSERT().\r |
| 1365 | \r | |
| 36396ea2 RN |
1366 | If EndPointer is not NULL and Address is translated from String, a pointer\r |
| 1367 | to the character that stopped the scan is stored at the location pointed to\r | |
| 1368 | by EndPointer.\r | |
| 1369 | \r | |
| 1370 | @param String Pointer to a Null-terminated Unicode string.\r | |
| 1371 | @param EndPointer Pointer to character that stops scan.\r | |
| 1372 | @param Address Pointer to the converted IPv4 address.\r | |
| 1373 | @param PrefixLength Pointer to the converted IPv4 address prefix\r | |
| 1374 | length. MAX_UINT8 is returned when /P is\r | |
| 1375 | not in the String.\r | |
| 1376 | \r | |
| 1377 | @retval RETURN_SUCCESS Address is translated from String.\r | |
| 1378 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
| 1379 | If Data is NULL.\r | |
| 1380 | @retval RETURN_UNSUPPORTED If String is not in the correct format.\r | |
| 1381 | If any decimal number converted from D\r | |
| 1382 | exceeds 255.\r | |
| 1383 | If the decimal number converted from P\r | |
| 1384 | exceeds 32.\r | |
| 1385 | \r | |
| 1386 | **/\r | |
| 1387 | RETURN_STATUS\r | |
| 1388 | EFIAPI\r | |
| 1389 | StrToIpv4Address (\r | |
| 1390 | IN CONST CHAR16 *String,\r | |
| 1391 | OUT CHAR16 **EndPointer, OPTIONAL\r | |
| 1392 | OUT IPv4_ADDRESS *Address,\r | |
| 1393 | OUT UINT8 *PrefixLength OPTIONAL\r | |
| 1394 | );\r | |
| 1395 | \r | |
| 1396 | #define GUID_STRING_LENGTH 36\r | |
| 1397 | \r | |
| 1398 | /**\r | |
| 1399 | Convert a Null-terminated Unicode GUID string to a value of type\r | |
| 1400 | EFI_GUID.\r | |
| 1401 | \r | |
| 1402 | This function outputs a GUID value by interpreting the contents of\r | |
| 1403 | the Unicode string specified by String. The format of the input\r | |
| 1404 | Unicode string String consists of 36 characters, as follows:\r | |
| 1405 | \r | |
| 1406 | aabbccdd-eeff-gghh-iijj-kkllmmnnoopp\r | |
| 1407 | \r | |
| 1408 | The pairs aa - pp are two characters in the range [0-9], [a-f] and\r | |
| 1409 | [A-F], with each pair representing a single byte hexadecimal value.\r | |
| 1410 | \r | |
| 1411 | The mapping between String and the EFI_GUID structure is as follows:\r | |
| 1412 | aa Data1[24:31]\r | |
| 1413 | bb Data1[16:23]\r | |
| 1414 | cc Data1[8:15]\r | |
| 1415 | dd Data1[0:7]\r | |
| 1416 | ee Data2[8:15]\r | |
| 1417 | ff Data2[0:7]\r | |
| 1418 | gg Data3[8:15]\r | |
| 1419 | hh Data3[0:7]\r | |
| 1420 | ii Data4[0:7]\r | |
| 1421 | jj Data4[8:15]\r | |
| 1422 | kk Data4[16:23]\r | |
| 1423 | ll Data4[24:31]\r | |
| 1424 | mm Data4[32:39]\r | |
| 1425 | nn Data4[40:47]\r | |
| 1426 | oo Data4[48:55]\r | |
| 1427 | pp Data4[56:63]\r | |
| 1428 | \r | |
| 36396ea2 RN |
1429 | If String is not aligned in a 16-bit boundary, then ASSERT().\r |
| 1430 | \r | |
| 1431 | @param String Pointer to a Null-terminated Unicode string.\r | |
| 1432 | @param Guid Pointer to the converted GUID.\r | |
| 1433 | \r | |
| 1434 | @retval RETURN_SUCCESS Guid is translated from String.\r | |
| 1435 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
| 1436 | If Data is NULL.\r | |
| 1437 | @retval RETURN_UNSUPPORTED If String is not as the above format.\r | |
| 1438 | \r | |
| 1439 | **/\r | |
| 1440 | RETURN_STATUS\r | |
| 1441 | EFIAPI\r | |
| 1442 | StrToGuid (\r | |
| 1443 | IN CONST CHAR16 *String,\r | |
| 1444 | OUT GUID *Guid\r | |
| 1445 | );\r | |
| 1446 | \r | |
| 1447 | /**\r | |
| 1448 | Convert a Null-terminated Unicode hexadecimal string to a byte array.\r | |
| 1449 | \r | |
| 1450 | This function outputs a byte array by interpreting the contents of\r | |
| 1451 | the Unicode string specified by String in hexadecimal format. The format of\r | |
| 1452 | the input Unicode string String is:\r | |
| 1453 | \r | |
| 1454 | [XX]*\r | |
| 1455 | \r | |
| 1456 | X is a hexadecimal digit character in the range [0-9], [a-f] and [A-F].\r | |
| 1457 | The function decodes every two hexadecimal digit characters as one byte. The\r | |
| 1458 | decoding stops after Length of characters and outputs Buffer containing\r | |
| 1459 | (Length / 2) bytes.\r | |
| 1460 | \r | |
| 1461 | If String is not aligned in a 16-bit boundary, then ASSERT().\r | |
| 1462 | \r | |
| 36396ea2 RN |
1463 | @param String Pointer to a Null-terminated Unicode string.\r |
| 1464 | @param Length The number of Unicode characters to decode.\r | |
| 1465 | @param Buffer Pointer to the converted bytes array.\r | |
| 1466 | @param MaxBufferSize The maximum size of Buffer.\r | |
| 1467 | \r | |
| 1468 | @retval RETURN_SUCCESS Buffer is translated from String.\r | |
| 1469 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
| 1470 | If Data is NULL.\r | |
| 1471 | If Length is not multiple of 2.\r | |
| 1472 | If PcdMaximumUnicodeStringLength is not zero,\r | |
| 1473 | and Length is greater than\r | |
| 1474 | PcdMaximumUnicodeStringLength.\r | |
| 1475 | @retval RETURN_UNSUPPORTED If Length of characters from String contain\r | |
| 1476 | a character that is not valid hexadecimal\r | |
| 1477 | digit characters, or a Null-terminator.\r | |
| 1478 | @retval RETURN_BUFFER_TOO_SMALL If MaxBufferSize is less than (Length / 2).\r | |
| 1479 | **/\r | |
| 1480 | RETURN_STATUS\r | |
| 1481 | EFIAPI\r | |
| 1482 | StrHexToBytes (\r | |
| 1483 | IN CONST CHAR16 *String,\r | |
| 1484 | IN UINTN Length,\r | |
| 1485 | OUT UINT8 *Buffer,\r | |
| 1486 | IN UINTN MaxBufferSize\r | |
| 1487 | );\r | |
| 1488 | \r | |
| 415aa2f1 | 1489 | \r |
| 3ab41b7a JY |
1490 | /**\r |
| 1491 | Convert a Null-terminated Unicode string to a Null-terminated\r | |
| 1492 | ASCII string.\r | |
| 1493 | \r | |
| 1494 | This function is similar to AsciiStrCpyS.\r | |
| 1495 | \r | |
| 1496 | This function converts the content of the Unicode string Source\r | |
| 1497 | to the ASCII string Destination by copying the lower 8 bits of\r | |
| 1498 | each Unicode character. The function terminates the ASCII string\r | |
| 1499 | Destination by appending a Null-terminator character at the end.\r | |
| 1500 | \r | |
| 1501 | The caller is responsible to make sure Destination points to a buffer with size\r | |
| 1502 | equal or greater than ((StrLen (Source) + 1) * sizeof (CHAR8)) in bytes.\r | |
| 1503 | \r | |
| 1504 | If any Unicode characters in Source contain non-zero value in\r | |
| 1505 | the upper 8 bits, then ASSERT().\r | |
| 1506 | \r | |
| 1507 | If Source is not aligned on a 16-bit boundary, then ASSERT().\r | |
| 3ab41b7a JY |
1508 | \r |
| 1509 | If an error is returned, then the Destination is unmodified.\r | |
| 1510 | \r | |
| 1511 | @param Source The pointer to a Null-terminated Unicode string.\r | |
| 1512 | @param Destination The pointer to a Null-terminated ASCII string.\r | |
| 1513 | @param DestMax The maximum number of Destination Ascii\r | |
| 1514 | char, including terminating null char.\r | |
| 1515 | \r | |
| 1516 | @retval RETURN_SUCCESS String is converted.\r | |
| 1517 | @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than StrLen(Source).\r | |
| 1518 | @retval RETURN_INVALID_PARAMETER If Destination is NULL.\r | |
| 1519 | If Source is NULL.\r | |
| 1520 | If PcdMaximumAsciiStringLength is not zero,\r | |
| 1521 | and DestMax is greater than\r | |
| 1522 | PcdMaximumAsciiStringLength.\r | |
| 1523 | If PcdMaximumUnicodeStringLength is not zero,\r | |
| 1524 | and DestMax is greater than\r | |
| 1525 | PcdMaximumUnicodeStringLength.\r | |
| 1526 | If DestMax is 0.\r | |
| 1527 | @retval RETURN_ACCESS_DENIED If Source and Destination overlap.\r | |
| 1528 | \r | |
| 1529 | **/\r | |
| 1530 | RETURN_STATUS\r | |
| 1531 | EFIAPI\r | |
| 1532 | UnicodeStrToAsciiStrS (\r | |
| 1533 | IN CONST CHAR16 *Source,\r | |
| 1534 | OUT CHAR8 *Destination,\r | |
| 1535 | IN UINTN DestMax\r | |
| 1536 | );\r | |
| ac644614 | 1537 | \r |
| 02263214 HW |
1538 | /**\r |
| 1539 | Convert not more than Length successive characters from a Null-terminated\r | |
| 1540 | Unicode string to a Null-terminated Ascii string. If no null char is copied\r | |
| 1541 | from Source, then Destination[Length] is always set to null.\r | |
| 1542 | \r | |
| 1543 | This function converts not more than Length successive characters from the\r | |
| 1544 | Unicode string Source to the Ascii string Destination by copying the lower 8\r | |
| 1545 | bits of each Unicode character. The function terminates the Ascii string\r | |
| 1546 | Destination by appending a Null-terminator character at the end.\r | |
| 1547 | \r | |
| 1548 | The caller is responsible to make sure Destination points to a buffer with size\r | |
| 1549 | equal or greater than ((StrLen (Source) + 1) * sizeof (CHAR8)) in bytes.\r | |
| 1550 | \r | |
| 1551 | If any Unicode characters in Source contain non-zero value in the upper 8\r | |
| 1552 | bits, then ASSERT().\r | |
| 1553 | If Source is not aligned on a 16-bit boundary, then ASSERT().\r | |
| 02263214 HW |
1554 | \r |
| 1555 | If an error is returned, then the Destination is unmodified.\r | |
| 1556 | \r | |
| 1557 | @param Source The pointer to a Null-terminated Unicode string.\r | |
| 1558 | @param Length The maximum number of Unicode characters to\r | |
| 1559 | convert.\r | |
| 1560 | @param Destination The pointer to a Null-terminated Ascii string.\r | |
| 1561 | @param DestMax The maximum number of Destination Ascii\r | |
| 1562 | char, including terminating null char.\r | |
| 1563 | @param DestinationLength The number of Unicode characters converted.\r | |
| 1564 | \r | |
| 1565 | @retval RETURN_SUCCESS String is converted.\r | |
| 1566 | @retval RETURN_INVALID_PARAMETER If Destination is NULL.\r | |
| 1567 | If Source is NULL.\r | |
| 1568 | If DestinationLength is NULL.\r | |
| 1569 | If PcdMaximumAsciiStringLength is not zero,\r | |
| 1570 | and Length or DestMax is greater than\r | |
| 1571 | PcdMaximumAsciiStringLength.\r | |
| 1572 | If PcdMaximumUnicodeStringLength is not\r | |
| 1573 | zero, and Length or DestMax is greater than\r | |
| 1574 | PcdMaximumUnicodeStringLength.\r | |
| 1575 | If DestMax is 0.\r | |
| 1576 | @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than\r | |
| 1577 | MIN(StrLen(Source), Length).\r | |
| 1578 | @retval RETURN_ACCESS_DENIED If Source and Destination overlap.\r | |
| 1579 | \r | |
| 1580 | **/\r | |
| 1581 | RETURN_STATUS\r | |
| 1582 | EFIAPI\r | |
| 1583 | UnicodeStrnToAsciiStrS (\r | |
| 1584 | IN CONST CHAR16 *Source,\r | |
| 1585 | IN UINTN Length,\r | |
| 1586 | OUT CHAR8 *Destination,\r | |
| 1587 | IN UINTN DestMax,\r | |
| 1588 | OUT UINTN *DestinationLength\r | |
| 1589 | );\r | |
| 1590 | \r | |
| ac644614 | 1591 | \r |
| 1592 | /**\r | |
| 1593 | Returns the length of a Null-terminated ASCII string.\r | |
| 1594 | \r | |
| 1595 | This function returns the number of ASCII characters in the Null-terminated\r | |
| 1596 | ASCII string specified by String.\r | |
| 1597 | \r | |
| 1598 | If Length > 0 and Destination is NULL, then ASSERT().\r | |
| 1599 | If Length > 0 and Source is NULL, then ASSERT().\r | |
| 1600 | If PcdMaximumAsciiStringLength is not zero and String contains more than\r | |
| 1601 | PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator,\r | |
| 1602 | then ASSERT().\r | |
| 1603 | \r | |
| af2dc6a7 | 1604 | @param String The pointer to a Null-terminated ASCII string.\r |
| ac644614 | 1605 | \r |
| 1606 | @return The length of String.\r | |
| 1607 | \r | |
| 1608 | **/\r | |
| 1609 | UINTN\r | |
| 1610 | EFIAPI\r | |
| 1611 | AsciiStrLen (\r | |
| 1612 | IN CONST CHAR8 *String\r | |
| 1613 | );\r | |
| 1614 | \r | |
| 1615 | \r | |
| 1616 | /**\r | |
| 1617 | Returns the size of a Null-terminated ASCII string in bytes, including the\r | |
| 1618 | Null terminator.\r | |
| 1619 | \r | |
| 1620 | This function returns the size, in bytes, of the Null-terminated ASCII string\r | |
| 1621 | specified by String.\r | |
| 1622 | \r | |
| 1623 | If String is NULL, then ASSERT().\r | |
| 1624 | If PcdMaximumAsciiStringLength is not zero and String contains more than\r | |
| 1625 | PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator,\r | |
| 1626 | then ASSERT().\r | |
| 1627 | \r | |
| af2dc6a7 | 1628 | @param String The pointer to a Null-terminated ASCII string.\r |
| ac644614 | 1629 | \r |
| 1630 | @return The size of String.\r | |
| 1631 | \r | |
| 1632 | **/\r | |
| 1633 | UINTN\r | |
| 1634 | EFIAPI\r | |
| 1635 | AsciiStrSize (\r | |
| 1636 | IN CONST CHAR8 *String\r | |
| 1637 | );\r | |
| 1638 | \r | |
| 1639 | \r | |
| 1640 | /**\r | |
| 1641 | Compares two Null-terminated ASCII strings, and returns the difference\r | |
| 1642 | between the first mismatched ASCII characters.\r | |
| 1643 | \r | |
| 1644 | This function compares the Null-terminated ASCII string FirstString to the\r | |
| 1645 | Null-terminated ASCII string SecondString. If FirstString is identical to\r | |
| 1646 | SecondString, then 0 is returned. Otherwise, the value returned is the first\r | |
| 1647 | mismatched ASCII character in SecondString subtracted from the first\r | |
| 1648 | mismatched ASCII character in FirstString.\r | |
| 1649 | \r | |
| 1650 | If FirstString is NULL, then ASSERT().\r | |
| 1651 | If SecondString is NULL, then ASSERT().\r | |
| 1652 | If PcdMaximumAsciiStringLength is not zero and FirstString contains more than\r | |
| 1653 | PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator,\r | |
| 1654 | then ASSERT().\r | |
| 1655 | If PcdMaximumAsciiStringLength is not zero and SecondString contains more\r | |
| 1656 | than PcdMaximumAsciiStringLength ASCII characters not including the\r | |
| 1657 | Null-terminator, then ASSERT().\r | |
| 1658 | \r | |
| af2dc6a7 | 1659 | @param FirstString The pointer to a Null-terminated ASCII string.\r |
| 1660 | @param SecondString The pointer to a Null-terminated ASCII string.\r | |
| ac644614 | 1661 | \r |
| 17f695ed | 1662 | @retval ==0 FirstString is identical to SecondString.\r |
| 1663 | @retval !=0 FirstString is not identical to SecondString.\r | |
| ac644614 | 1664 | \r |
| 1665 | **/\r | |
| 1666 | INTN\r | |
| 1667 | EFIAPI\r | |
| 1668 | AsciiStrCmp (\r | |
| 1669 | IN CONST CHAR8 *FirstString,\r | |
| 1670 | IN CONST CHAR8 *SecondString\r | |
| 1671 | );\r | |
| 1672 | \r | |
| 1673 | \r | |
| 1674 | /**\r | |
| 1675 | Performs a case insensitive comparison of two Null-terminated ASCII strings,\r | |
| 1676 | and returns the difference between the first mismatched ASCII characters.\r | |
| 1677 | \r | |
| 1678 | This function performs a case insensitive comparison of the Null-terminated\r | |
| 1679 | ASCII string FirstString to the Null-terminated ASCII string SecondString. If\r | |
| 1680 | FirstString is identical to SecondString, then 0 is returned. Otherwise, the\r | |
| 1681 | value returned is the first mismatched lower case ASCII character in\r | |
| 1682 | SecondString subtracted from the first mismatched lower case ASCII character\r | |
| 1683 | in FirstString.\r | |
| 1684 | \r | |
| 1685 | If FirstString is NULL, then ASSERT().\r | |
| 1686 | If SecondString is NULL, then ASSERT().\r | |
| 1687 | If PcdMaximumAsciiStringLength is not zero and FirstString contains more than\r | |
| 1688 | PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator,\r | |
| 1689 | then ASSERT().\r | |
| 1690 | If PcdMaximumAsciiStringLength is not zero and SecondString contains more\r | |
| 1691 | than PcdMaximumAsciiStringLength ASCII characters not including the\r | |
| 1692 | Null-terminator, then ASSERT().\r | |
| 1693 | \r | |
| af2dc6a7 | 1694 | @param FirstString The pointer to a Null-terminated ASCII string.\r |
| 1695 | @param SecondString The pointer to a Null-terminated ASCII string.\r | |
| ac644614 | 1696 | \r |
| 17f695ed | 1697 | @retval ==0 FirstString is identical to SecondString using case insensitive\r |
| 1106ffe1 | 1698 | comparisons.\r |
| 17f695ed | 1699 | @retval !=0 FirstString is not identical to SecondString using case\r |
| 1106ffe1 | 1700 | insensitive comparisons.\r |
| ac644614 | 1701 | \r |
| 1702 | **/\r | |
| 1703 | INTN\r | |
| 1704 | EFIAPI\r | |
| 1705 | AsciiStriCmp (\r | |
| 1706 | IN CONST CHAR8 *FirstString,\r | |
| 1707 | IN CONST CHAR8 *SecondString\r | |
| 1708 | );\r | |
| 1709 | \r | |
| 1710 | \r | |
| 1711 | /**\r | |
| 1712 | Compares two Null-terminated ASCII strings with maximum lengths, and returns\r | |
| 1713 | the difference between the first mismatched ASCII characters.\r | |
| 1714 | \r | |
| 1715 | This function compares the Null-terminated ASCII string FirstString to the\r | |
| 1716 | Null-terminated ASCII string SecondString. At most, Length ASCII characters\r | |
| 1717 | will be compared. If Length is 0, then 0 is returned. If FirstString is\r | |
| 1718 | identical to SecondString, then 0 is returned. Otherwise, the value returned\r | |
| 1719 | is the first mismatched ASCII character in SecondString subtracted from the\r | |
| 1720 | first mismatched ASCII character in FirstString.\r | |
| 1721 | \r | |
| 1722 | If Length > 0 and FirstString is NULL, then ASSERT().\r | |
| 1723 | If Length > 0 and SecondString is NULL, then ASSERT().\r | |
| 9095d37b | 1724 | If PcdMaximumAsciiStringLength is not zero, and Length is greater than\r |
| 50c247fd | 1725 | PcdMaximumAsciiStringLength, then ASSERT().\r |
| 1726 | If PcdMaximumAsciiStringLength is not zero, and FirstString contains more than\r | |
| 1727 | PcdMaximumAsciiStringLength ASCII characters, not including the Null-terminator,\r | |
| ac644614 | 1728 | then ASSERT().\r |
| 50c247fd | 1729 | If PcdMaximumAsciiStringLength is not zero, and SecondString contains more than\r |
| 1730 | PcdMaximumAsciiStringLength ASCII characters, not including the Null-terminator,\r | |
| ac644614 | 1731 | then ASSERT().\r |
| 1732 | \r | |
| af2dc6a7 | 1733 | @param FirstString The pointer to a Null-terminated ASCII string.\r |
| 1734 | @param SecondString The pointer to a Null-terminated ASCII string.\r | |
| 1735 | @param Length The maximum number of ASCII characters for compare.\r | |
| 9095d37b | 1736 | \r |
| 17f695ed | 1737 | @retval ==0 FirstString is identical to SecondString.\r |
| 1738 | @retval !=0 FirstString is not identical to SecondString.\r | |
| ac644614 | 1739 | \r |
| 1740 | **/\r | |
| 1741 | INTN\r | |
| 1742 | EFIAPI\r | |
| 1743 | AsciiStrnCmp (\r | |
| 1744 | IN CONST CHAR8 *FirstString,\r | |
| 1745 | IN CONST CHAR8 *SecondString,\r | |
| 1746 | IN UINTN Length\r | |
| 1747 | );\r | |
| 1748 | \r | |
| 1749 | \r | |
| ac644614 | 1750 | /**\r |
| 9aa049d9 | 1751 | Returns the first occurrence of a Null-terminated ASCII sub-string\r |
| ac644614 | 1752 | in a Null-terminated ASCII string.\r |
| 1753 | \r | |
| 1754 | This function scans the contents of the ASCII string specified by String\r | |
| 1755 | and returns the first occurrence of SearchString. If SearchString is not\r | |
| 1756 | found in String, then NULL is returned. If the length of SearchString is zero,\r | |
| 1757 | then String is returned.\r | |
| 1758 | \r | |
| 1759 | If String is NULL, then ASSERT().\r | |
| 1760 | If SearchString is NULL, then ASSERT().\r | |
| 1761 | \r | |
| 1762 | If PcdMaximumAsciiStringLength is not zero, and SearchString or\r | |
| 1763 | String contains more than PcdMaximumAsciiStringLength Unicode characters\r | |
| 1764 | not including the Null-terminator, then ASSERT().\r | |
| 1765 | \r | |
| af2dc6a7 | 1766 | @param String The pointer to a Null-terminated ASCII string.\r |
| 1767 | @param SearchString The pointer to a Null-terminated ASCII string to search for.\r | |
| ac644614 | 1768 | \r |
| 1769 | @retval NULL If the SearchString does not appear in String.\r | |
| 17f695ed | 1770 | @retval others If there is a match return the first occurrence of SearchingString.\r |
| 9aa049d9 | 1771 | If the length of SearchString is zero,return String.\r |
| ac644614 | 1772 | \r |
| 1773 | **/\r | |
| 1774 | CHAR8 *\r | |
| 1775 | EFIAPI\r | |
| 1776 | AsciiStrStr (\r | |
| 17f695ed | 1777 | IN CONST CHAR8 *String,\r |
| 1778 | IN CONST CHAR8 *SearchString\r | |
| ac644614 | 1779 | );\r |
| 1780 | \r | |
| 1781 | \r | |
| 1782 | /**\r | |
| 1783 | Convert a Null-terminated ASCII decimal string to a value of type\r | |
| 1784 | UINTN.\r | |
| 1785 | \r | |
| 1786 | This function returns a value of type UINTN by interpreting the contents\r | |
| 1787 | of the ASCII string String as a decimal number. The format of the input\r | |
| 1788 | ASCII string String is:\r | |
| 1789 | \r | |
| 1790 | [spaces] [decimal digits].\r | |
| 1791 | \r | |
| 1792 | The valid decimal digit character is in the range [0-9]. The function will\r | |
| 1793 | ignore the pad space, which includes spaces or tab characters, before the digits.\r | |
| 1794 | The running zero in the beginning of [decimal digits] will be ignored. Then, the\r | |
| 1795 | function stops at the first character that is a not a valid decimal character or\r | |
| 1796 | Null-terminator, whichever on comes first.\r | |
| 1797 | \r | |
| 1798 | If String has only pad spaces, then 0 is returned.\r | |
| 1799 | If String has no pad spaces or valid decimal digits, then 0 is returned.\r | |
| 1800 | If the number represented by String overflows according to the range defined by\r | |
| ea2e0921 | 1801 | UINTN, then MAX_UINTN is returned.\r |
| ac644614 | 1802 | If String is NULL, then ASSERT().\r |
| 1803 | If PcdMaximumAsciiStringLength is not zero, and String contains more than\r | |
| 1804 | PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator,\r | |
| 1805 | then ASSERT().\r | |
| 1806 | \r | |
| af2dc6a7 | 1807 | @param String The pointer to a Null-terminated ASCII string.\r |
| ac644614 | 1808 | \r |
| af2dc6a7 | 1809 | @retval The value translated from String.\r |
| ac644614 | 1810 | \r |
| 1811 | **/\r | |
| 1812 | UINTN\r | |
| 1813 | EFIAPI\r | |
| 1814 | AsciiStrDecimalToUintn (\r | |
| 1815 | IN CONST CHAR8 *String\r | |
| 1816 | );\r | |
| 1817 | \r | |
| 1818 | \r | |
| 1819 | /**\r | |
| 1820 | Convert a Null-terminated ASCII decimal string to a value of type\r | |
| 1821 | UINT64.\r | |
| 1822 | \r | |
| 1823 | This function returns a value of type UINT64 by interpreting the contents\r | |
| 1824 | of the ASCII string String as a decimal number. The format of the input\r | |
| 1825 | ASCII string String is:\r | |
| 1826 | \r | |
| 1827 | [spaces] [decimal digits].\r | |
| 1828 | \r | |
| 1829 | The valid decimal digit character is in the range [0-9]. The function will\r | |
| 1830 | ignore the pad space, which includes spaces or tab characters, before the digits.\r | |
| 1831 | The running zero in the beginning of [decimal digits] will be ignored. Then, the\r | |
| 1832 | function stops at the first character that is a not a valid decimal character or\r | |
| 1833 | Null-terminator, whichever on comes first.\r | |
| 1834 | \r | |
| 1835 | If String has only pad spaces, then 0 is returned.\r | |
| 1836 | If String has no pad spaces or valid decimal digits, then 0 is returned.\r | |
| 1837 | If the number represented by String overflows according to the range defined by\r | |
| ea2e0921 | 1838 | UINT64, then MAX_UINT64 is returned.\r |
| ac644614 | 1839 | If String is NULL, then ASSERT().\r |
| 1840 | If PcdMaximumAsciiStringLength is not zero, and String contains more than\r | |
| 1841 | PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator,\r | |
| 1842 | then ASSERT().\r | |
| 1843 | \r | |
| af2dc6a7 | 1844 | @param String The pointer to a Null-terminated ASCII string.\r |
| ac644614 | 1845 | \r |
| 38bbd3d9 | 1846 | @retval Value translated from String.\r |
| ac644614 | 1847 | \r |
| 1848 | **/\r | |
| 1849 | UINT64\r | |
| 1850 | EFIAPI\r | |
| 1851 | AsciiStrDecimalToUint64 (\r | |
| 17f695ed | 1852 | IN CONST CHAR8 *String\r |
| ac644614 | 1853 | );\r |
| 1854 | \r | |
| 1855 | \r | |
| 1856 | /**\r | |
| 1857 | Convert a Null-terminated ASCII hexadecimal string to a value of type UINTN.\r | |
| 1858 | \r | |
| 1859 | This function returns a value of type UINTN by interpreting the contents of\r | |
| 1860 | the ASCII string String as a hexadecimal number. The format of the input ASCII\r | |
| 1861 | string String is:\r | |
| 1862 | \r | |
| 1863 | [spaces][zeros][x][hexadecimal digits].\r | |
| 1864 | \r | |
| 1865 | The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F].\r | |
| 1866 | The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix. If "x"\r | |
| 1867 | appears in the input string, it must be prefixed with at least one 0. The function\r | |
| 1868 | will ignore the pad space, which includes spaces or tab characters, before [zeros],\r | |
| 1869 | [x] or [hexadecimal digits]. The running zero before [x] or [hexadecimal digits]\r | |
| 1870 | will be ignored. Then, the decoding starts after [x] or the first valid hexadecimal\r | |
| 1871 | digit. Then, the function stops at the first character that is a not a valid\r | |
| 1872 | hexadecimal character or Null-terminator, whichever on comes first.\r | |
| 1873 | \r | |
| 1874 | If String has only pad spaces, then 0 is returned.\r | |
| 1875 | If String has no leading pad spaces, leading zeros or valid hexadecimal digits, then\r | |
| 1876 | 0 is returned.\r | |
| 1877 | \r | |
| 1878 | If the number represented by String overflows according to the range defined by UINTN,\r | |
| ea2e0921 | 1879 | then MAX_UINTN is returned.\r |
| ac644614 | 1880 | If String is NULL, then ASSERT().\r |
| 1881 | If PcdMaximumAsciiStringLength is not zero,\r | |
| 1882 | and String contains more than PcdMaximumAsciiStringLength ASCII characters not including\r | |
| 1883 | the Null-terminator, then ASSERT().\r | |
| 1884 | \r | |
| af2dc6a7 | 1885 | @param String The pointer to a Null-terminated ASCII string.\r |
| ac644614 | 1886 | \r |
| 38bbd3d9 | 1887 | @retval Value translated from String.\r |
| ac644614 | 1888 | \r |
| 1889 | **/\r | |
| 1890 | UINTN\r | |
| 1891 | EFIAPI\r | |
| 1892 | AsciiStrHexToUintn (\r | |
| 17f695ed | 1893 | IN CONST CHAR8 *String\r |
| ac644614 | 1894 | );\r |
| 1895 | \r | |
| 1896 | \r | |
| 1897 | /**\r | |
| 1898 | Convert a Null-terminated ASCII hexadecimal string to a value of type UINT64.\r | |
| 1899 | \r | |
| 1900 | This function returns a value of type UINT64 by interpreting the contents of\r | |
| 1901 | the ASCII string String as a hexadecimal number. The format of the input ASCII\r | |
| 1902 | string String is:\r | |
| 1903 | \r | |
| 1904 | [spaces][zeros][x][hexadecimal digits].\r | |
| 1905 | \r | |
| 1906 | The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F].\r | |
| 1907 | The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix. If "x"\r | |
| 1908 | appears in the input string, it must be prefixed with at least one 0. The function\r | |
| 1909 | will ignore the pad space, which includes spaces or tab characters, before [zeros],\r | |
| 1910 | [x] or [hexadecimal digits]. The running zero before [x] or [hexadecimal digits]\r | |
| 1911 | will be ignored. Then, the decoding starts after [x] or the first valid hexadecimal\r | |
| 1912 | digit. Then, the function stops at the first character that is a not a valid\r | |
| 1913 | hexadecimal character or Null-terminator, whichever on comes first.\r | |
| 1914 | \r | |
| 1915 | If String has only pad spaces, then 0 is returned.\r | |
| 1916 | If String has no leading pad spaces, leading zeros or valid hexadecimal digits, then\r | |
| 1917 | 0 is returned.\r | |
| 1918 | \r | |
| 1919 | If the number represented by String overflows according to the range defined by UINT64,\r | |
| ea2e0921 | 1920 | then MAX_UINT64 is returned.\r |
| ac644614 | 1921 | If String is NULL, then ASSERT().\r |
| 1922 | If PcdMaximumAsciiStringLength is not zero,\r | |
| 1923 | and String contains more than PcdMaximumAsciiStringLength ASCII characters not including\r | |
| 1924 | the Null-terminator, then ASSERT().\r | |
| 1925 | \r | |
| af2dc6a7 | 1926 | @param String The pointer to a Null-terminated ASCII string.\r |
| ac644614 | 1927 | \r |
| 38bbd3d9 | 1928 | @retval Value translated from String.\r |
| ac644614 | 1929 | \r |
| 1930 | **/\r | |
| 1931 | UINT64\r | |
| 1932 | EFIAPI\r | |
| 1933 | AsciiStrHexToUint64 (\r | |
| 17f695ed | 1934 | IN CONST CHAR8 *String\r |
| ac644614 | 1935 | );\r |
| 1936 | \r | |
| fb4dd857 RN |
1937 | /**\r |
| 1938 | Convert a Null-terminated ASCII string to IPv6 address and prefix length.\r | |
| 1939 | \r | |
| 1940 | This function outputs a value of type IPv6_ADDRESS and may output a value\r | |
| 1941 | of type UINT8 by interpreting the contents of the ASCII string specified\r | |
| 1942 | by String. The format of the input ASCII string String is as follows:\r | |
| 1943 | \r | |
| 1944 | X:X:X:X:X:X:X:X[/P]\r | |
| 1945 | \r | |
| 1946 | X contains one to four hexadecimal digit characters in the range [0-9], [a-f] and\r | |
| 1947 | [A-F]. X is converted to a value of type UINT16, whose low byte is stored in low\r | |
| 1948 | memory address and high byte is stored in high memory address. P contains decimal\r | |
| 1949 | digit characters in the range [0-9]. The running zero in the beginning of P will\r | |
| 1950 | be ignored. /P is optional.\r | |
| 1951 | \r | |
| 1952 | When /P is not in the String, the function stops at the first character that is\r | |
| 1953 | not a valid hexadecimal digit character after eight X's are converted.\r | |
| 1954 | \r | |
| 1955 | When /P is in the String, the function stops at the first character that is not\r | |
| 1956 | a valid decimal digit character after P is converted.\r | |
| 1957 | \r | |
| 1958 | "::" can be used to compress one or more groups of X when X contains only 0.\r | |
| 1959 | The "::" can only appear once in the String.\r | |
| 1960 | \r | |
| fb4dd857 RN |
1961 | If EndPointer is not NULL and Address is translated from String, a pointer\r |
| 1962 | to the character that stopped the scan is stored at the location pointed to\r | |
| 1963 | by EndPointer.\r | |
| 1964 | \r | |
| 1965 | @param String Pointer to a Null-terminated ASCII string.\r | |
| 1966 | @param EndPointer Pointer to character that stops scan.\r | |
| 1967 | @param Address Pointer to the converted IPv6 address.\r | |
| 1968 | @param PrefixLength Pointer to the converted IPv6 address prefix\r | |
| 1969 | length. MAX_UINT8 is returned when /P is\r | |
| 1970 | not in the String.\r | |
| 1971 | \r | |
| 1972 | @retval RETURN_SUCCESS Address is translated from String.\r | |
| 1973 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
| 1974 | If Data is NULL.\r | |
| 1975 | @retval RETURN_UNSUPPORTED If X contains more than four hexadecimal\r | |
| 1976 | digit characters.\r | |
| 1977 | If String contains "::" and number of X\r | |
| 1978 | is not less than 8.\r | |
| 1979 | If P starts with character that is not a\r | |
| 1980 | valid decimal digit character.\r | |
| 1981 | If the decimal number converted from P\r | |
| 1982 | exceeds 128.\r | |
| 1983 | \r | |
| 1984 | **/\r | |
| 1985 | RETURN_STATUS\r | |
| 1986 | EFIAPI\r | |
| 1987 | AsciiStrToIpv6Address (\r | |
| 1988 | IN CONST CHAR8 *String,\r | |
| 1989 | OUT CHAR8 **EndPointer, OPTIONAL\r | |
| 1990 | OUT IPv6_ADDRESS *Address,\r | |
| 1991 | OUT UINT8 *PrefixLength OPTIONAL\r | |
| 1992 | );\r | |
| 1993 | \r | |
| 1994 | /**\r | |
| 1995 | Convert a Null-terminated ASCII string to IPv4 address and prefix length.\r | |
| 1996 | \r | |
| 1997 | This function outputs a value of type IPv4_ADDRESS and may output a value\r | |
| 1998 | of type UINT8 by interpreting the contents of the ASCII string specified\r | |
| 1999 | by String. The format of the input ASCII string String is as follows:\r | |
| 2000 | \r | |
| 2001 | D.D.D.D[/P]\r | |
| 2002 | \r | |
| 2003 | D and P are decimal digit characters in the range [0-9]. The running zero in\r | |
| 2004 | the beginning of D and P will be ignored. /P is optional.\r | |
| 2005 | \r | |
| 2006 | When /P is not in the String, the function stops at the first character that is\r | |
| 2007 | not a valid decimal digit character after four D's are converted.\r | |
| 2008 | \r | |
| 2009 | When /P is in the String, the function stops at the first character that is not\r | |
| 2010 | a valid decimal digit character after P is converted.\r | |
| 2011 | \r | |
| fb4dd857 RN |
2012 | If EndPointer is not NULL and Address is translated from String, a pointer\r |
| 2013 | to the character that stopped the scan is stored at the location pointed to\r | |
| 2014 | by EndPointer.\r | |
| 2015 | \r | |
| 2016 | @param String Pointer to a Null-terminated ASCII string.\r | |
| 2017 | @param EndPointer Pointer to character that stops scan.\r | |
| 2018 | @param Address Pointer to the converted IPv4 address.\r | |
| 2019 | @param PrefixLength Pointer to the converted IPv4 address prefix\r | |
| 2020 | length. MAX_UINT8 is returned when /P is\r | |
| 2021 | not in the String.\r | |
| 2022 | \r | |
| 2023 | @retval RETURN_SUCCESS Address is translated from String.\r | |
| 2024 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
| 2025 | If Data is NULL.\r | |
| 2026 | @retval RETURN_UNSUPPORTED If String is not in the correct format.\r | |
| 2027 | If any decimal number converted from D\r | |
| 2028 | exceeds 255.\r | |
| 2029 | If the decimal number converted from P\r | |
| 2030 | exceeds 32.\r | |
| 2031 | \r | |
| 2032 | **/\r | |
| 2033 | RETURN_STATUS\r | |
| 2034 | EFIAPI\r | |
| 2035 | AsciiStrToIpv4Address (\r | |
| 2036 | IN CONST CHAR8 *String,\r | |
| 2037 | OUT CHAR8 **EndPointer, OPTIONAL\r | |
| 2038 | OUT IPv4_ADDRESS *Address,\r | |
| 2039 | OUT UINT8 *PrefixLength OPTIONAL\r | |
| 2040 | );\r | |
| 2041 | \r | |
| 2042 | /**\r | |
| 2043 | Convert a Null-terminated ASCII GUID string to a value of type\r | |
| 2044 | EFI_GUID.\r | |
| 2045 | \r | |
| 2046 | This function outputs a GUID value by interpreting the contents of\r | |
| 2047 | the ASCII string specified by String. The format of the input\r | |
| 2048 | ASCII string String consists of 36 characters, as follows:\r | |
| 2049 | \r | |
| 2050 | aabbccdd-eeff-gghh-iijj-kkllmmnnoopp\r | |
| 2051 | \r | |
| 2052 | The pairs aa - pp are two characters in the range [0-9], [a-f] and\r | |
| 2053 | [A-F], with each pair representing a single byte hexadecimal value.\r | |
| 2054 | \r | |
| 2055 | The mapping between String and the EFI_GUID structure is as follows:\r | |
| 2056 | aa Data1[24:31]\r | |
| 2057 | bb Data1[16:23]\r | |
| 2058 | cc Data1[8:15]\r | |
| 2059 | dd Data1[0:7]\r | |
| 2060 | ee Data2[8:15]\r | |
| 2061 | ff Data2[0:7]\r | |
| 2062 | gg Data3[8:15]\r | |
| 2063 | hh Data3[0:7]\r | |
| 2064 | ii Data4[0:7]\r | |
| 2065 | jj Data4[8:15]\r | |
| 2066 | kk Data4[16:23]\r | |
| 2067 | ll Data4[24:31]\r | |
| 2068 | mm Data4[32:39]\r | |
| 2069 | nn Data4[40:47]\r | |
| 2070 | oo Data4[48:55]\r | |
| 2071 | pp Data4[56:63]\r | |
| 2072 | \r | |
| fb4dd857 RN |
2073 | @param String Pointer to a Null-terminated ASCII string.\r |
| 2074 | @param Guid Pointer to the converted GUID.\r | |
| 2075 | \r | |
| 2076 | @retval RETURN_SUCCESS Guid is translated from String.\r | |
| 2077 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
| 2078 | If Data is NULL.\r | |
| 2079 | @retval RETURN_UNSUPPORTED If String is not as the above format.\r | |
| 2080 | \r | |
| 2081 | **/\r | |
| 2082 | RETURN_STATUS\r | |
| 2083 | EFIAPI\r | |
| 2084 | AsciiStrToGuid (\r | |
| 2085 | IN CONST CHAR8 *String,\r | |
| 2086 | OUT GUID *Guid\r | |
| 2087 | );\r | |
| 2088 | \r | |
| 2089 | /**\r | |
| 2090 | Convert a Null-terminated ASCII hexadecimal string to a byte array.\r | |
| 2091 | \r | |
| 2092 | This function outputs a byte array by interpreting the contents of\r | |
| 2093 | the ASCII string specified by String in hexadecimal format. The format of\r | |
| 2094 | the input ASCII string String is:\r | |
| 2095 | \r | |
| 2096 | [XX]*\r | |
| 2097 | \r | |
| 2098 | X is a hexadecimal digit character in the range [0-9], [a-f] and [A-F].\r | |
| 2099 | The function decodes every two hexadecimal digit characters as one byte. The\r | |
| 2100 | decoding stops after Length of characters and outputs Buffer containing\r | |
| 2101 | (Length / 2) bytes.\r | |
| 2102 | \r | |
| fb4dd857 RN |
2103 | @param String Pointer to a Null-terminated ASCII string.\r |
| 2104 | @param Length The number of ASCII characters to decode.\r | |
| 2105 | @param Buffer Pointer to the converted bytes array.\r | |
| 2106 | @param MaxBufferSize The maximum size of Buffer.\r | |
| 2107 | \r | |
| 2108 | @retval RETURN_SUCCESS Buffer is translated from String.\r | |
| 2109 | @retval RETURN_INVALID_PARAMETER If String is NULL.\r | |
| 2110 | If Data is NULL.\r | |
| 2111 | If Length is not multiple of 2.\r | |
| 2112 | If PcdMaximumAsciiStringLength is not zero,\r | |
| 2113 | and Length is greater than\r | |
| 2114 | PcdMaximumAsciiStringLength.\r | |
| 2115 | @retval RETURN_UNSUPPORTED If Length of characters from String contain\r | |
| 2116 | a character that is not valid hexadecimal\r | |
| 2117 | digit characters, or a Null-terminator.\r | |
| 2118 | @retval RETURN_BUFFER_TOO_SMALL If MaxBufferSize is less than (Length / 2).\r | |
| 2119 | **/\r | |
| 2120 | RETURN_STATUS\r | |
| 2121 | EFIAPI\r | |
| 2122 | AsciiStrHexToBytes (\r | |
| 2123 | IN CONST CHAR8 *String,\r | |
| 2124 | IN UINTN Length,\r | |
| 2125 | OUT UINT8 *Buffer,\r | |
| 2126 | IN UINTN MaxBufferSize\r | |
| 2127 | );\r | |
| 2128 | \r | |
| 415aa2f1 | 2129 | \r |
| 3ab41b7a JY |
2130 | /**\r |
| 2131 | Convert one Null-terminated ASCII string to a Null-terminated\r | |
| 2132 | Unicode string.\r | |
| 2133 | \r | |
| 2134 | This function is similar to StrCpyS.\r | |
| 2135 | \r | |
| 2136 | This function converts the contents of the ASCII string Source to the Unicode\r | |
| 2137 | string Destination. The function terminates the Unicode string Destination by\r | |
| 2138 | appending a Null-terminator character at the end.\r | |
| 2139 | \r | |
| 2140 | The caller is responsible to make sure Destination points to a buffer with size\r | |
| 2141 | equal or greater than ((AsciiStrLen (Source) + 1) * sizeof (CHAR16)) in bytes.\r | |
| 2142 | \r | |
| 2143 | If Destination is not aligned on a 16-bit boundary, then ASSERT().\r | |
| 3ab41b7a JY |
2144 | \r |
| 2145 | If an error is returned, then the Destination is unmodified.\r | |
| 2146 | \r | |
| 2147 | @param Source The pointer to a Null-terminated ASCII string.\r | |
| 2148 | @param Destination The pointer to a Null-terminated Unicode string.\r | |
| 2149 | @param DestMax The maximum number of Destination Unicode\r | |
| 2150 | char, including terminating null char.\r | |
| 2151 | \r | |
| 2152 | @retval RETURN_SUCCESS String is converted.\r | |
| 2153 | @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than StrLen(Source).\r | |
| 2154 | @retval RETURN_INVALID_PARAMETER If Destination is NULL.\r | |
| 2155 | If Source is NULL.\r | |
| 2156 | If PcdMaximumUnicodeStringLength is not zero,\r | |
| 2157 | and DestMax is greater than\r | |
| 2158 | PcdMaximumUnicodeStringLength.\r | |
| 2159 | If PcdMaximumAsciiStringLength is not zero,\r | |
| 2160 | and DestMax is greater than\r | |
| 2161 | PcdMaximumAsciiStringLength.\r | |
| 2162 | If DestMax is 0.\r | |
| 2163 | @retval RETURN_ACCESS_DENIED If Source and Destination overlap.\r | |
| 2164 | \r | |
| 2165 | **/\r | |
| 2166 | RETURN_STATUS\r | |
| 2167 | EFIAPI\r | |
| 2168 | AsciiStrToUnicodeStrS (\r | |
| 2169 | IN CONST CHAR8 *Source,\r | |
| 2170 | OUT CHAR16 *Destination,\r | |
| 2171 | IN UINTN DestMax\r | |
| 2172 | );\r | |
| ac644614 | 2173 | \r |
| 02263214 HW |
2174 | /**\r |
| 2175 | Convert not more than Length successive characters from a Null-terminated\r | |
| 2176 | Ascii string to a Null-terminated Unicode string. If no null char is copied\r | |
| 2177 | from Source, then Destination[Length] is always set to null.\r | |
| 2178 | \r | |
| 2179 | This function converts not more than Length successive characters from the\r | |
| 2180 | Ascii string Source to the Unicode string Destination. The function\r | |
| 2181 | terminates the Unicode string Destination by appending a Null-terminator\r | |
| 2182 | character at the end.\r | |
| 2183 | \r | |
| 2184 | The caller is responsible to make sure Destination points to a buffer with\r | |
| 2185 | size not smaller than\r | |
| 2186 | ((MIN(AsciiStrLen(Source), Length) + 1) * sizeof (CHAR8)) in bytes.\r | |
| 2187 | \r | |
| 2188 | If Destination is not aligned on a 16-bit boundary, then ASSERT().\r | |
| 02263214 HW |
2189 | \r |
| 2190 | If an error is returned, then Destination and DestinationLength are\r | |
| 2191 | unmodified.\r | |
| 2192 | \r | |
| 2193 | @param Source The pointer to a Null-terminated Ascii string.\r | |
| 2194 | @param Length The maximum number of Ascii characters to convert.\r | |
| 2195 | @param Destination The pointer to a Null-terminated Unicode string.\r | |
| 2196 | @param DestMax The maximum number of Destination Unicode char,\r | |
| 2197 | including terminating null char.\r | |
| 2198 | @param DestinationLength The number of Ascii characters converted.\r | |
| 2199 | \r | |
| 2200 | @retval RETURN_SUCCESS String is converted.\r | |
| 2201 | @retval RETURN_INVALID_PARAMETER If Destination is NULL.\r | |
| 2202 | If Source is NULL.\r | |
| 2203 | If DestinationLength is NULL.\r | |
| 2204 | If PcdMaximumUnicodeStringLength is not\r | |
| 2205 | zero, and Length or DestMax is greater than\r | |
| 2206 | PcdMaximumUnicodeStringLength.\r | |
| 2207 | If PcdMaximumAsciiStringLength is not zero,\r | |
| 2208 | and Length or DestMax is greater than\r | |
| 2209 | PcdMaximumAsciiStringLength.\r | |
| 2210 | If DestMax is 0.\r | |
| 2211 | @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than\r | |
| 2212 | MIN(AsciiStrLen(Source), Length).\r | |
| 2213 | @retval RETURN_ACCESS_DENIED If Source and Destination overlap.\r | |
| 2214 | \r | |
| 2215 | **/\r | |
| 2216 | RETURN_STATUS\r | |
| 2217 | EFIAPI\r | |
| 2218 | AsciiStrnToUnicodeStrS (\r | |
| 2219 | IN CONST CHAR8 *Source,\r | |
| 2220 | IN UINTN Length,\r | |
| 2221 | OUT CHAR16 *Destination,\r | |
| 2222 | IN UINTN DestMax,\r | |
| 2223 | OUT UINTN *DestinationLength\r | |
| 2224 | );\r | |
| 2225 | \r | |
| 5dbfa01e MT |
2226 | /**\r |
| 2227 | Convert a Unicode character to upper case only if\r | |
| 2228 | it maps to a valid small-case ASCII character.\r | |
| 2229 | \r | |
| 2230 | This internal function only deal with Unicode character\r | |
| 2231 | which maps to a valid small-case ASCII character, i.e.\r | |
| 2232 | L'a' to L'z'. For other Unicode character, the input character\r | |
| 2233 | is returned directly.\r | |
| 2234 | \r | |
| 2235 | @param Char The character to convert.\r | |
| 2236 | \r | |
| 2237 | @retval LowerCharacter If the Char is with range L'a' to L'z'.\r | |
| 2238 | @retval Unchanged Otherwise.\r | |
| 2239 | \r | |
| 2240 | **/\r | |
| 2241 | CHAR16\r | |
| 2242 | EFIAPI\r | |
| 2243 | CharToUpper (\r | |
| 2244 | IN CHAR16 Char\r | |
| 2245 | );\r | |
| 2246 | \r | |
| 2247 | /**\r | |
| 2248 | Converts a lowercase Ascii character to upper one.\r | |
| 2249 | \r | |
| 2250 | If Chr is lowercase Ascii character, then converts it to upper one.\r | |
| 2251 | \r | |
| 2252 | If Value >= 0xA0, then ASSERT().\r | |
| 2253 | If (Value & 0x0F) >= 0x0A, then ASSERT().\r | |
| 2254 | \r | |
| 2255 | @param Chr one Ascii character\r | |
| 2256 | \r | |
| 2257 | @return The uppercase value of Ascii character\r | |
| 2258 | \r | |
| 2259 | **/\r | |
| 2260 | CHAR8\r | |
| 2261 | EFIAPI\r | |
| 2262 | AsciiCharToUpper (\r | |
| 2263 | IN CHAR8 Chr\r | |
| 2264 | );\r | |
| 2265 | \r | |
| 1f7af69d MT |
2266 | /**\r |
| 2267 | Convert binary data to a Base64 encoded ascii string based on RFC4648.\r | |
| 2268 | \r | |
| 2269 | Produce a Null-terminated Ascii string in the output buffer specified by Destination and DestinationSize.\r | |
| 2270 | The Ascii string is produced by converting the data string specified by Source and SourceLength.\r | |
| 2271 | \r | |
| 2272 | @param Source Input UINT8 data\r | |
| 2273 | @param SourceLength Number of UINT8 bytes of data\r | |
| 2274 | @param Destination Pointer to output string buffer\r | |
| 2275 | @param DestinationSize Size of ascii buffer. Set to 0 to get the size needed.\r | |
| 2276 | Caller is responsible for passing in buffer of DestinationSize\r | |
| 2277 | \r | |
| 2278 | @retval RETURN_SUCCESS When ascii buffer is filled in.\r | |
| 2279 | @retval RETURN_INVALID_PARAMETER If Source is NULL or DestinationSize is NULL.\r | |
| 2280 | @retval RETURN_INVALID_PARAMETER If SourceLength or DestinationSize is bigger than (MAX_ADDRESS - (UINTN)Destination).\r | |
| 2281 | @retval RETURN_BUFFER_TOO_SMALL If SourceLength is 0 and DestinationSize is <1.\r | |
| 2282 | @retval RETURN_BUFFER_TOO_SMALL If Destination is NULL or DestinationSize is smaller than required buffersize.\r | |
| 2283 | \r | |
| 2284 | **/\r | |
| 2285 | RETURN_STATUS\r | |
| 2286 | EFIAPI\r | |
| 2287 | Base64Encode (\r | |
| 2288 | IN CONST UINT8 *Source,\r | |
| 2289 | IN UINTN SourceLength,\r | |
| 2290 | OUT CHAR8 *Destination OPTIONAL,\r | |
| 2291 | IN OUT UINTN *DestinationSize\r | |
| 2292 | );\r | |
| 2293 | \r | |
| 2294 | /**\r | |
| 5d68fc67 LE |
2295 | Decode Base64 ASCII encoded data to 8-bit binary representation, based on\r |
| 2296 | RFC4648.\r | |
| 2297 | \r | |
| 2298 | Decoding occurs according to "Table 1: The Base 64 Alphabet" in RFC4648.\r | |
| 2299 | \r | |
| 2300 | Whitespace is ignored at all positions:\r | |
| 2301 | - 0x09 ('\t') horizontal tab\r | |
| 2302 | - 0x0A ('\n') new line\r | |
| 2303 | - 0x0B ('\v') vertical tab\r | |
| 2304 | - 0x0C ('\f') form feed\r | |
| 2305 | - 0x0D ('\r') carriage return\r | |
| 2306 | - 0x20 (' ') space\r | |
| 2307 | \r | |
| 2308 | The minimum amount of required padding (with ASCII 0x3D, '=') is tolerated\r | |
| 2309 | and enforced at the end of the Base64 ASCII encoded data, and only there.\r | |
| 2310 | \r | |
| 2311 | Other characters outside of the encoding alphabet cause the function to\r | |
| 2312 | reject the Base64 ASCII encoded data.\r | |
| 2313 | \r | |
| 2314 | @param[in] Source Array of CHAR8 elements containing the Base64\r | |
| 2315 | ASCII encoding. May be NULL if SourceSize is\r | |
| 2316 | zero.\r | |
| 2317 | \r | |
| 2318 | @param[in] SourceSize Number of CHAR8 elements in Source.\r | |
| 2319 | \r | |
| 2320 | @param[out] Destination Array of UINT8 elements receiving the decoded\r | |
| 2321 | 8-bit binary representation. Allocated by the\r | |
| 2322 | caller. May be NULL if DestinationSize is\r | |
| 2323 | zero on input. If NULL, decoding is\r | |
| 2324 | performed, but the 8-bit binary\r | |
| 2325 | representation is not stored. If non-NULL and\r | |
| 2326 | the function returns an error, the contents\r | |
| 2327 | of Destination are indeterminate.\r | |
| 2328 | \r | |
| 2329 | @param[in,out] DestinationSize On input, the number of UINT8 elements that\r | |
| 2330 | the caller allocated for Destination. On\r | |
| 2331 | output, if the function returns\r | |
| 2332 | RETURN_SUCCESS or RETURN_BUFFER_TOO_SMALL,\r | |
| 2333 | the number of UINT8 elements that are\r | |
| 2334 | required for decoding the Base64 ASCII\r | |
| 2335 | representation. If the function returns a\r | |
| 2336 | value different from both RETURN_SUCCESS and\r | |
| 2337 | RETURN_BUFFER_TOO_SMALL, then DestinationSize\r | |
| 2338 | is indeterminate on output.\r | |
| 2339 | \r | |
| 2340 | @retval RETURN_SUCCESS SourceSize CHAR8 elements at Source have\r | |
| 2341 | been decoded to on-output DestinationSize\r | |
| 2342 | UINT8 elements at Destination. Note that\r | |
| 2343 | RETURN_SUCCESS covers the case when\r | |
| 2344 | DestinationSize is zero on input, and\r | |
| 2345 | Source decodes to zero bytes (due to\r | |
| 2346 | containing at most ignored whitespace).\r | |
| 2347 | \r | |
| 2348 | @retval RETURN_BUFFER_TOO_SMALL The input value of DestinationSize is not\r | |
| 2349 | large enough for decoding SourceSize CHAR8\r | |
| 2350 | elements at Source. The required number of\r | |
| 2351 | UINT8 elements has been stored to\r | |
| 2352 | DestinationSize.\r | |
| 2353 | \r | |
| 2354 | @retval RETURN_INVALID_PARAMETER DestinationSize is NULL.\r | |
| 2355 | \r | |
| 2356 | @retval RETURN_INVALID_PARAMETER Source is NULL, but SourceSize is not zero.\r | |
| 2357 | \r | |
| 2358 | @retval RETURN_INVALID_PARAMETER Destination is NULL, but DestinationSize is\r | |
| 2359 | not zero on input.\r | |
| 2360 | \r | |
| 2361 | @retval RETURN_INVALID_PARAMETER Source is non-NULL, and (Source +\r | |
| 2362 | SourceSize) would wrap around MAX_ADDRESS.\r | |
| 2363 | \r | |
| 2364 | @retval RETURN_INVALID_PARAMETER Destination is non-NULL, and (Destination +\r | |
| 2365 | DestinationSize) would wrap around\r | |
| 2366 | MAX_ADDRESS, as specified on input.\r | |
| 2367 | \r | |
| 2368 | @retval RETURN_INVALID_PARAMETER None of Source and Destination are NULL,\r | |
| 2369 | and CHAR8[SourceSize] at Source overlaps\r | |
| 2370 | UINT8[DestinationSize] at Destination, as\r | |
| 2371 | specified on input.\r | |
| 2372 | \r | |
| 2373 | @retval RETURN_INVALID_PARAMETER Invalid CHAR8 element encountered in\r | |
| 2374 | Source.\r | |
| 2375 | **/\r | |
| 1f7af69d MT |
2376 | RETURN_STATUS\r |
| 2377 | EFIAPI\r | |
| 2378 | Base64Decode (\r | |
| 5d68fc67 LE |
2379 | IN CONST CHAR8 *Source OPTIONAL,\r |
| 2380 | IN UINTN SourceSize,\r | |
| 2381 | OUT UINT8 *Destination OPTIONAL,\r | |
| 2382 | IN OUT UINTN *DestinationSize\r | |
| 1f7af69d MT |
2383 | );\r |
| 2384 | \r | |
| ac644614 | 2385 | /**\r |
| 2386 | Converts an 8-bit value to an 8-bit BCD value.\r | |
| 2387 | \r | |
| 2388 | Converts the 8-bit value specified by Value to BCD. The BCD value is\r | |
| 2389 | returned.\r | |
| 2390 | \r | |
| 2391 | If Value >= 100, then ASSERT().\r | |
| 2392 | \r | |
| 2393 | @param Value The 8-bit value to convert to BCD. Range 0..99.\r | |
| 2394 | \r | |
| 9aa049d9 | 2395 | @return The BCD value.\r |
| ac644614 | 2396 | \r |
| 2397 | **/\r | |
| 2398 | UINT8\r | |
| 2399 | EFIAPI\r | |
| 2400 | DecimalToBcd8 (\r | |
| 2401 | IN UINT8 Value\r | |
| 2402 | );\r | |
| 2403 | \r | |
| 2404 | \r | |
| 2405 | /**\r | |
| 2406 | Converts an 8-bit BCD value to an 8-bit value.\r | |
| 2407 | \r | |
| 2408 | Converts the 8-bit BCD value specified by Value to an 8-bit value. The 8-bit\r | |
| 2409 | value is returned.\r | |
| 2410 | \r | |
| 2411 | If Value >= 0xA0, then ASSERT().\r | |
| 2412 | If (Value & 0x0F) >= 0x0A, then ASSERT().\r | |
| 2413 | \r | |
| 2414 | @param Value The 8-bit BCD value to convert to an 8-bit value.\r | |
| 2415 | \r | |
| 2416 | @return The 8-bit value is returned.\r | |
| 2417 | \r | |
| 2418 | **/\r | |
| 2419 | UINT8\r | |
| 2420 | EFIAPI\r | |
| 2421 | BcdToDecimal8 (\r | |
| 2422 | IN UINT8 Value\r | |
| 2423 | );\r | |
| 2424 | \r | |
| ae591c14 DM |
2425 | //\r |
| 2426 | // File Path Manipulation Functions\r | |
| 2427 | //\r | |
| 2428 | \r | |
| 2429 | /**\r | |
| 6a623094 | 2430 | Removes the last directory or file entry in a path.\r |
| ae591c14 DM |
2431 | \r |
| 2432 | @param[in, out] Path The pointer to the path to modify.\r | |
| 2433 | \r | |
| 2434 | @retval FALSE Nothing was found to remove.\r | |
| 2435 | @retval TRUE A directory or file was removed.\r | |
| 2436 | **/\r | |
| 2437 | BOOLEAN\r | |
| 2438 | EFIAPI\r | |
| 2439 | PathRemoveLastItem(\r | |
| 2440 | IN OUT CHAR16 *Path\r | |
| 2441 | );\r | |
| 2442 | \r | |
| 2443 | /**\r | |
| 2444 | Function to clean up paths.\r | |
| 2445 | - Single periods in the path are removed.\r | |
| 2446 | - Double periods in the path are removed along with a single parent directory.\r | |
| 2447 | - Forward slashes L'/' are converted to backward slashes L'\'.\r | |
| 2448 | \r | |
| 2449 | This will be done inline and the existing buffer may be larger than required\r | |
| 2450 | upon completion.\r | |
| 2451 | \r | |
| 2452 | @param[in] Path The pointer to the string containing the path.\r | |
| 2453 | \r | |
| 00b7cc0f | 2454 | @return Returns Path, otherwise returns NULL to indicate that an error has occurred.\r |
| ae591c14 DM |
2455 | **/\r |
| 2456 | CHAR16*\r | |
| 2457 | EFIAPI\r | |
| 2458 | PathCleanUpDirectories(\r | |
| 2459 | IN CHAR16 *Path\r | |
| 909ac47b | 2460 | );\r |
| ac644614 | 2461 | \r |
| 2462 | //\r | |
| 2463 | // Linked List Functions and Macros\r | |
| 2464 | //\r | |
| 2465 | \r | |
| 2466 | /**\r | |
| 2467 | Initializes the head node of a doubly linked list that is declared as a\r | |
| 2468 | global variable in a module.\r | |
| 2469 | \r | |
| 2470 | Initializes the forward and backward links of a new linked list. After\r | |
| 2471 | initializing a linked list with this macro, the other linked list functions\r | |
| 2472 | may be used to add and remove nodes from the linked list. This macro results\r | |
| 2473 | in smaller executables by initializing the linked list in the data section,\r | |
| 2474 | instead if calling the InitializeListHead() function to perform the\r | |
| 2475 | equivalent operation.\r | |
| 2476 | \r | |
| 77f863ee | 2477 | @param ListHead The head note of a list to initialize.\r |
| ac644614 | 2478 | \r |
| 2479 | **/\r | |
| 17f695ed | 2480 | #define INITIALIZE_LIST_HEAD_VARIABLE(ListHead) {&(ListHead), &(ListHead)}\r |
| ac644614 | 2481 | \r |
| 3b5a58c5 MK |
2482 | /**\r |
| 2483 | Iterates over each node in a doubly linked list using each node's forward link.\r | |
| 2484 | \r | |
| 2485 | @param Entry A pointer to a list node used as a loop cursor during iteration\r | |
| 2486 | @param ListHead The head node of the doubly linked list\r | |
| 2487 | \r | |
| 2488 | **/\r | |
| 2489 | #define BASE_LIST_FOR_EACH(Entry, ListHead) \\r | |
| 2490 | for(Entry = (ListHead)->ForwardLink; Entry != (ListHead); Entry = Entry->ForwardLink)\r | |
| 2491 | \r | |
| 2492 | /**\r | |
| 2493 | Iterates over each node in a doubly linked list using each node's forward link\r | |
| 2494 | with safety against node removal.\r | |
| 2495 | \r | |
| 2496 | This macro uses NextEntry to temporarily store the next list node so the node\r | |
| 2497 | pointed to by Entry may be deleted in the current loop iteration step and\r | |
| 2498 | iteration can continue from the node pointed to by NextEntry.\r | |
| 2499 | \r | |
| 2500 | @param Entry A pointer to a list node used as a loop cursor during iteration\r | |
| 2501 | @param NextEntry A pointer to a list node used to temporarily store the next node\r | |
| 2502 | @param ListHead The head node of the doubly linked list\r | |
| 2503 | \r | |
| 2504 | **/\r | |
| 2505 | #define BASE_LIST_FOR_EACH_SAFE(Entry, NextEntry, ListHead) \\r | |
| 2506 | for(Entry = (ListHead)->ForwardLink, NextEntry = Entry->ForwardLink;\\r | |
| 2507 | Entry != (ListHead); Entry = NextEntry, NextEntry = Entry->ForwardLink)\r | |
| ac644614 | 2508 | \r |
| d0aef615 MH |
2509 | /**\r |
| 2510 | Checks whether FirstEntry and SecondEntry are part of the same doubly-linked\r | |
| 2511 | list.\r | |
| 2512 | \r | |
| 2513 | If FirstEntry is NULL, then ASSERT().\r | |
| 2514 | If FirstEntry->ForwardLink is NULL, then ASSERT().\r | |
| 2515 | If FirstEntry->BackLink is NULL, then ASSERT().\r | |
| 2516 | If SecondEntry is NULL, then ASSERT();\r | |
| 2517 | If PcdMaximumLinkedListLength is not zero, and List contains more than\r | |
| 2518 | PcdMaximumLinkedListLength nodes, then ASSERT().\r | |
| 2519 | \r | |
| 2520 | @param FirstEntry A pointer to a node in a linked list.\r | |
| 2521 | @param SecondEntry A pointer to the node to locate.\r | |
| 2522 | \r | |
| 2523 | @retval TRUE SecondEntry is in the same doubly-linked list as FirstEntry.\r | |
| 2524 | @retval FALSE SecondEntry isn't in the same doubly-linked list as FirstEntry,\r | |
| 2525 | or FirstEntry is invalid.\r | |
| 2526 | \r | |
| 2527 | **/\r | |
| 2528 | BOOLEAN\r | |
| 2529 | EFIAPI\r | |
| 2530 | IsNodeInList (\r | |
| 2531 | IN CONST LIST_ENTRY *FirstEntry,\r | |
| 2532 | IN CONST LIST_ENTRY *SecondEntry\r | |
| 2533 | );\r | |
| 2534 | \r | |
| 2535 | \r | |
| ac644614 | 2536 | /**\r |
| 2537 | Initializes the head node of a doubly linked list, and returns the pointer to\r | |
| 2538 | the head node of the doubly linked list.\r | |
| 2539 | \r | |
| 2540 | Initializes the forward and backward links of a new linked list. After\r | |
| 2541 | initializing a linked list with this function, the other linked list\r | |
| 2542 | functions may be used to add and remove nodes from the linked list. It is up\r | |
| 2543 | to the caller of this function to allocate the memory for ListHead.\r | |
| 2544 | \r | |
| 2545 | If ListHead is NULL, then ASSERT().\r | |
| 2546 | \r | |
| 2547 | @param ListHead A pointer to the head node of a new doubly linked list.\r | |
| 2548 | \r | |
| 2549 | @return ListHead\r | |
| 2550 | \r | |
| 2551 | **/\r | |
| 2552 | LIST_ENTRY *\r | |
| 2553 | EFIAPI\r | |
| 2554 | InitializeListHead (\r | |
| aa0583c7 | 2555 | IN OUT LIST_ENTRY *ListHead\r |
| ac644614 | 2556 | );\r |
| 2557 | \r | |
| 2558 | \r | |
| 2559 | /**\r | |
| 2560 | Adds a node to the beginning of a doubly linked list, and returns the pointer\r | |
| 2561 | to the head node of the doubly linked list.\r | |
| 2562 | \r | |
| 2563 | Adds the node Entry at the beginning of the doubly linked list denoted by\r | |
| 2564 | ListHead, and returns ListHead.\r | |
| 2565 | \r | |
| 2566 | If ListHead is NULL, then ASSERT().\r | |
| 2567 | If Entry is NULL, then ASSERT().\r | |
| 17f695ed | 2568 | If ListHead was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or\r |
| 2569 | InitializeListHead(), then ASSERT().\r | |
| a71865b1 | 2570 | If PcdMaximumLinkedListLength is not zero, and prior to insertion the number\r |
| ac644614 | 2571 | of nodes in ListHead, including the ListHead node, is greater than or\r |
| 2572 | equal to PcdMaximumLinkedListLength, then ASSERT().\r | |
| 2573 | \r | |
| 2574 | @param ListHead A pointer to the head node of a doubly linked list.\r | |
| 2575 | @param Entry A pointer to a node that is to be inserted at the beginning\r | |
| 2576 | of a doubly linked list.\r | |
| 2577 | \r | |
| 2578 | @return ListHead\r | |
| 2579 | \r | |
| 2580 | **/\r | |
| 2581 | LIST_ENTRY *\r | |
| 2582 | EFIAPI\r | |
| 2583 | InsertHeadList (\r | |
| aa0583c7 | 2584 | IN OUT LIST_ENTRY *ListHead,\r |
| 2585 | IN OUT LIST_ENTRY *Entry\r | |
| ac644614 | 2586 | );\r |
| 2587 | \r | |
| 2588 | \r | |
| 2589 | /**\r | |
| 2590 | Adds a node to the end of a doubly linked list, and returns the pointer to\r | |
| 2591 | the head node of the doubly linked list.\r | |
| 2592 | \r | |
| 2593 | Adds the node Entry to the end of the doubly linked list denoted by ListHead,\r | |
| 2594 | and returns ListHead.\r | |
| 2595 | \r | |
| 2596 | If ListHead is NULL, then ASSERT().\r | |
| 2597 | If Entry is NULL, then ASSERT().\r | |
| 9095d37b | 2598 | If ListHead was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or\r |
| 17f695ed | 2599 | InitializeListHead(), then ASSERT().\r |
| a71865b1 | 2600 | If PcdMaximumLinkedListLength is not zero, and prior to insertion the number\r |
| ac644614 | 2601 | of nodes in ListHead, including the ListHead node, is greater than or\r |
| 2602 | equal to PcdMaximumLinkedListLength, then ASSERT().\r | |
| 2603 | \r | |
| 2604 | @param ListHead A pointer to the head node of a doubly linked list.\r | |
| 2605 | @param Entry A pointer to a node that is to be added at the end of the\r | |
| 2606 | doubly linked list.\r | |
| 2607 | \r | |
| 2608 | @return ListHead\r | |
| 2609 | \r | |
| 2610 | **/\r | |
| 2611 | LIST_ENTRY *\r | |
| 2612 | EFIAPI\r | |
| 2613 | InsertTailList (\r | |
| aa0583c7 | 2614 | IN OUT LIST_ENTRY *ListHead,\r |
| 2615 | IN OUT LIST_ENTRY *Entry\r | |
| ac644614 | 2616 | );\r |
| 2617 | \r | |
| 2618 | \r | |
| 2619 | /**\r | |
| 2620 | Retrieves the first node of a doubly linked list.\r | |
| 2621 | \r | |
| 9095d37b | 2622 | Returns the first node of a doubly linked list. List must have been\r |
| 17f695ed | 2623 | initialized with INTIALIZE_LIST_HEAD_VARIABLE() or InitializeListHead().\r |
| 2624 | If List is empty, then List is returned.\r | |
| ac644614 | 2625 | \r |
| 2626 | If List is NULL, then ASSERT().\r | |
| 9095d37b | 2627 | If List was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or\r |
| 17f695ed | 2628 | InitializeListHead(), then ASSERT().\r |
| a71865b1 | 2629 | If PcdMaximumLinkedListLength is not zero, and the number of nodes\r |
| ac644614 | 2630 | in List, including the List node, is greater than or equal to\r |
| 2631 | PcdMaximumLinkedListLength, then ASSERT().\r | |
| 2632 | \r | |
| 2633 | @param List A pointer to the head node of a doubly linked list.\r | |
| 2634 | \r | |
| 2635 | @return The first node of a doubly linked list.\r | |
| e01a125f | 2636 | @retval List The list is empty.\r |
| ac644614 | 2637 | \r |
| 2638 | **/\r | |
| 2639 | LIST_ENTRY *\r | |
| 2640 | EFIAPI\r | |
| 2641 | GetFirstNode (\r | |
| 2642 | IN CONST LIST_ENTRY *List\r | |
| 2643 | );\r | |
| 2644 | \r | |
| 2645 | \r | |
| 2646 | /**\r | |
| 2647 | Retrieves the next node of a doubly linked list.\r | |
| 2648 | \r | |
| 9095d37b | 2649 | Returns the node of a doubly linked list that follows Node.\r |
| 17f695ed | 2650 | List must have been initialized with INTIALIZE_LIST_HEAD_VARIABLE()\r |
| 2651 | or InitializeListHead(). If List is empty, then List is returned.\r | |
| ac644614 | 2652 | \r |
| 2653 | If List is NULL, then ASSERT().\r | |
| 2654 | If Node is NULL, then ASSERT().\r | |
| 9095d37b | 2655 | If List was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or\r |
| 17f695ed | 2656 | InitializeListHead(), then ASSERT().\r |
| a71865b1 LG |
2657 | If PcdMaximumLinkedListLength is not zero, and List contains more than\r |
| 2658 | PcdMaximumLinkedListLength nodes, then ASSERT().\r | |
| 1081f624 | 2659 | If PcdVerifyNodeInList is TRUE and Node is not a node in List, then ASSERT().\r |
| ac644614 | 2660 | \r |
| 2661 | @param List A pointer to the head node of a doubly linked list.\r | |
| 2662 | @param Node A pointer to a node in the doubly linked list.\r | |
| 2663 | \r | |
| af2dc6a7 | 2664 | @return The pointer to the next node if one exists. Otherwise List is returned.\r |
| ac644614 | 2665 | \r |
| 2666 | **/\r | |
| 2667 | LIST_ENTRY *\r | |
| 2668 | EFIAPI\r | |
| 2669 | GetNextNode (\r | |
| 2670 | IN CONST LIST_ENTRY *List,\r | |
| 2671 | IN CONST LIST_ENTRY *Node\r | |
| 2672 | );\r | |
| 2673 | \r | |
| 9095d37b | 2674 | \r |
| cbca8de5 | 2675 | /**\r |
| 2676 | Retrieves the previous node of a doubly linked list.\r | |
| 9095d37b LG |
2677 | \r |
| 2678 | Returns the node of a doubly linked list that precedes Node.\r | |
| cbca8de5 | 2679 | List must have been initialized with INTIALIZE_LIST_HEAD_VARIABLE()\r |
| 2680 | or InitializeListHead(). If List is empty, then List is returned.\r | |
| 9095d37b | 2681 | \r |
| cbca8de5 | 2682 | If List is NULL, then ASSERT().\r |
| 2683 | If Node is NULL, then ASSERT().\r | |
| 9095d37b | 2684 | If List was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or\r |
| cbca8de5 | 2685 | InitializeListHead(), then ASSERT().\r |
| a71865b1 LG |
2686 | If PcdMaximumLinkedListLength is not zero, and List contains more than\r |
| 2687 | PcdMaximumLinkedListLength nodes, then ASSERT().\r | |
| cbca8de5 | 2688 | If PcdVerifyNodeInList is TRUE and Node is not a node in List, then ASSERT().\r |
| 9095d37b | 2689 | \r |
| cbca8de5 | 2690 | @param List A pointer to the head node of a doubly linked list.\r |
| 2691 | @param Node A pointer to a node in the doubly linked list.\r | |
| 9095d37b | 2692 | \r |
| af2dc6a7 | 2693 | @return The pointer to the previous node if one exists. Otherwise List is returned.\r |
| 9095d37b | 2694 | \r |
| cbca8de5 | 2695 | **/\r |
| 2696 | LIST_ENTRY *\r | |
| 2697 | EFIAPI\r | |
| 2698 | GetPreviousNode (\r | |
| 2699 | IN CONST LIST_ENTRY *List,\r | |
| 2700 | IN CONST LIST_ENTRY *Node\r | |
| 2701 | );\r | |
| ac644614 | 2702 | \r |
| 9095d37b | 2703 | \r |
| ac644614 | 2704 | /**\r |
| 2705 | Checks to see if a doubly linked list is empty or not.\r | |
| 2706 | \r | |
| 2707 | Checks to see if the doubly linked list is empty. If the linked list contains\r | |
| 2708 | zero nodes, this function returns TRUE. Otherwise, it returns FALSE.\r | |
| 2709 | \r | |
| 2710 | If ListHead is NULL, then ASSERT().\r | |
| 9095d37b | 2711 | If ListHead was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or\r |
| 17f695ed | 2712 | InitializeListHead(), then ASSERT().\r |
| a71865b1 | 2713 | If PcdMaximumLinkedListLength is not zero, and the number of nodes\r |
| ac644614 | 2714 | in List, including the List node, is greater than or equal to\r |
| 2715 | PcdMaximumLinkedListLength, then ASSERT().\r | |
| 2716 | \r | |
| 2717 | @param ListHead A pointer to the head node of a doubly linked list.\r | |
| 2718 | \r | |
| 2719 | @retval TRUE The linked list is empty.\r | |
| 2720 | @retval FALSE The linked list is not empty.\r | |
| 2721 | \r | |
| 2722 | **/\r | |
| 2723 | BOOLEAN\r | |
| 2724 | EFIAPI\r | |
| 2725 | IsListEmpty (\r | |
| 2726 | IN CONST LIST_ENTRY *ListHead\r | |
| 2727 | );\r | |
| 2728 | \r | |
| 2729 | \r | |
| 2730 | /**\r | |
| aa0583c7 | 2731 | Determines if a node in a doubly linked list is the head node of a the same\r |
| 2732 | doubly linked list. This function is typically used to terminate a loop that\r | |
| 2733 | traverses all the nodes in a doubly linked list starting with the head node.\r | |
| ac644614 | 2734 | \r |
| aa0583c7 | 2735 | Returns TRUE if Node is equal to List. Returns FALSE if Node is one of the\r |
| 2736 | nodes in the doubly linked list specified by List. List must have been\r | |
| 17f695ed | 2737 | initialized with INTIALIZE_LIST_HEAD_VARIABLE() or InitializeListHead().\r |
| ac644614 | 2738 | \r |
| 2739 | If List is NULL, then ASSERT().\r | |
| 2740 | If Node is NULL, then ASSERT().\r | |
| 9095d37b | 2741 | If List was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or InitializeListHead(),\r |
| 17f695ed | 2742 | then ASSERT().\r |
| a71865b1 | 2743 | If PcdMaximumLinkedListLength is not zero, and the number of nodes\r |
| ac644614 | 2744 | in List, including the List node, is greater than or equal to\r |
| 2745 | PcdMaximumLinkedListLength, then ASSERT().\r | |
| 9095d37b | 2746 | If PcdVerifyNodeInList is TRUE and Node is not a node in List the and Node is not equal\r |
| 1081f624 | 2747 | to List, then ASSERT().\r |
| ac644614 | 2748 | \r |
| 2749 | @param List A pointer to the head node of a doubly linked list.\r | |
| 2750 | @param Node A pointer to a node in the doubly linked list.\r | |
| 2751 | \r | |
| 1955808d LG |
2752 | @retval TRUE Node is the head of the doubly-linked list pointed by List.\r |
| 2753 | @retval FALSE Node is not the head of the doubly-linked list pointed by List.\r | |
| ac644614 | 2754 | \r |
| 2755 | **/\r | |
| 2756 | BOOLEAN\r | |
| 2757 | EFIAPI\r | |
| 2758 | IsNull (\r | |
| 2759 | IN CONST LIST_ENTRY *List,\r | |
| 2760 | IN CONST LIST_ENTRY *Node\r | |
| 2761 | );\r | |
| 2762 | \r | |
| 2763 | \r | |
| 2764 | /**\r | |
| 2765 | Determines if a node the last node in a doubly linked list.\r | |
| 2766 | \r | |
| 2767 | Returns TRUE if Node is the last node in the doubly linked list specified by\r | |
| 2768 | List. Otherwise, FALSE is returned. List must have been initialized with\r | |
| 17f695ed | 2769 | INTIALIZE_LIST_HEAD_VARIABLE() or InitializeListHead().\r |
| ac644614 | 2770 | \r |
| 2771 | If List is NULL, then ASSERT().\r | |
| 2772 | If Node is NULL, then ASSERT().\r | |
| 17f695ed | 2773 | If List was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or\r |
| 2774 | InitializeListHead(), then ASSERT().\r | |
| a71865b1 | 2775 | If PcdMaximumLinkedListLength is not zero, and the number of nodes\r |
| ac644614 | 2776 | in List, including the List node, is greater than or equal to\r |
| 2777 | PcdMaximumLinkedListLength, then ASSERT().\r | |
| 1081f624 | 2778 | If PcdVerifyNodeInList is TRUE and Node is not a node in List, then ASSERT().\r |
| ac644614 | 2779 | \r |
| 2780 | @param List A pointer to the head node of a doubly linked list.\r | |
| 2781 | @param Node A pointer to a node in the doubly linked list.\r | |
| 2782 | \r | |
| 2783 | @retval TRUE Node is the last node in the linked list.\r | |
| 2784 | @retval FALSE Node is not the last node in the linked list.\r | |
| 2785 | \r | |
| 2786 | **/\r | |
| 2787 | BOOLEAN\r | |
| 2788 | EFIAPI\r | |
| 2789 | IsNodeAtEnd (\r | |
| 2790 | IN CONST LIST_ENTRY *List,\r | |
| 2791 | IN CONST LIST_ENTRY *Node\r | |
| 2792 | );\r | |
| 2793 | \r | |
| 2794 | \r | |
| 2795 | /**\r | |
| 2796 | Swaps the location of two nodes in a doubly linked list, and returns the\r | |
| 2797 | first node after the swap.\r | |
| 2798 | \r | |
| 2799 | If FirstEntry is identical to SecondEntry, then SecondEntry is returned.\r | |
| 2800 | Otherwise, the location of the FirstEntry node is swapped with the location\r | |
| 2801 | of the SecondEntry node in a doubly linked list. SecondEntry must be in the\r | |
| 2802 | same double linked list as FirstEntry and that double linked list must have\r | |
| 9095d37b | 2803 | been initialized with INTIALIZE_LIST_HEAD_VARIABLE() or InitializeListHead().\r |
| 17f695ed | 2804 | SecondEntry is returned after the nodes are swapped.\r |
| ac644614 | 2805 | \r |
| 2806 | If FirstEntry is NULL, then ASSERT().\r | |
| 2807 | If SecondEntry is NULL, then ASSERT().\r | |
| 9095d37b | 2808 | If PcdVerifyNodeInList is TRUE and SecondEntry and FirstEntry are not in the\r |
| 1081f624 | 2809 | same linked list, then ASSERT().\r |
| ac644614 | 2810 | If PcdMaximumLinkedListLength is not zero, and the number of nodes in the\r |
| 2811 | linked list containing the FirstEntry and SecondEntry nodes, including\r | |
| 2812 | the FirstEntry and SecondEntry nodes, is greater than or equal to\r | |
| 2813 | PcdMaximumLinkedListLength, then ASSERT().\r | |
| 2814 | \r | |
| 2815 | @param FirstEntry A pointer to a node in a linked list.\r | |
| 2816 | @param SecondEntry A pointer to another node in the same linked list.\r | |
| 9095d37b | 2817 | \r |
| 9aa049d9 | 2818 | @return SecondEntry.\r |
| ac644614 | 2819 | \r |
| 2820 | **/\r | |
| 2821 | LIST_ENTRY *\r | |
| 2822 | EFIAPI\r | |
| 2823 | SwapListEntries (\r | |
| aa0583c7 | 2824 | IN OUT LIST_ENTRY *FirstEntry,\r |
| 2825 | IN OUT LIST_ENTRY *SecondEntry\r | |
| ac644614 | 2826 | );\r |
| 2827 | \r | |
| 2828 | \r | |
| 2829 | /**\r | |
| 2830 | Removes a node from a doubly linked list, and returns the node that follows\r | |
| 2831 | the removed node.\r | |
| 2832 | \r | |
| 2833 | Removes the node Entry from a doubly linked list. It is up to the caller of\r | |
| 2834 | this function to release the memory used by this node if that is required. On\r | |
| 2835 | exit, the node following Entry in the doubly linked list is returned. If\r | |
| 2836 | Entry is the only node in the linked list, then the head node of the linked\r | |
| 2837 | list is returned.\r | |
| 2838 | \r | |
| 2839 | If Entry is NULL, then ASSERT().\r | |
| 2840 | If Entry is the head node of an empty list, then ASSERT().\r | |
| 2841 | If PcdMaximumLinkedListLength is not zero, and the number of nodes in the\r | |
| 2842 | linked list containing Entry, including the Entry node, is greater than\r | |
| 2843 | or equal to PcdMaximumLinkedListLength, then ASSERT().\r | |
| 2844 | \r | |
| 9aa049d9 | 2845 | @param Entry A pointer to a node in a linked list.\r |
| ac644614 | 2846 | \r |
| 9aa049d9 | 2847 | @return Entry.\r |
| ac644614 | 2848 | \r |
| 2849 | **/\r | |
| 2850 | LIST_ENTRY *\r | |
| 2851 | EFIAPI\r | |
| 2852 | RemoveEntryList (\r | |
| 2853 | IN CONST LIST_ENTRY *Entry\r | |
| 2854 | );\r | |
| 2855 | \r | |
| 2856 | //\r | |
| 2857 | // Math Services\r | |
| 2858 | //\r | |
| 2859 | \r | |
| 2860 | /**\r | |
| 2861 | Shifts a 64-bit integer left between 0 and 63 bits. The low bits are filled\r | |
| 2862 | with zeros. The shifted value is returned.\r | |
| 2863 | \r | |
| 2864 | This function shifts the 64-bit value Operand to the left by Count bits. The\r | |
| 2865 | low Count bits are set to zero. The shifted value is returned.\r | |
| 2866 | \r | |
| 2867 | If Count is greater than 63, then ASSERT().\r | |
| 2868 | \r | |
| 2869 | @param Operand The 64-bit operand to shift left.\r | |
| 2870 | @param Count The number of bits to shift left.\r | |
| 2871 | \r | |
| 9aa049d9 | 2872 | @return Operand << Count.\r |
| ac644614 | 2873 | \r |
| 2874 | **/\r | |
| 2875 | UINT64\r | |
| 2876 | EFIAPI\r | |
| 2877 | LShiftU64 (\r | |
| 2878 | IN UINT64 Operand,\r | |
| 2879 | IN UINTN Count\r | |
| 2880 | );\r | |
| 2881 | \r | |
| 2882 | \r | |
| 2883 | /**\r | |
| 2884 | Shifts a 64-bit integer right between 0 and 63 bits. This high bits are\r | |
| 2885 | filled with zeros. The shifted value is returned.\r | |
| 2886 | \r | |
| 2887 | This function shifts the 64-bit value Operand to the right by Count bits. The\r | |
| 2888 | high Count bits are set to zero. The shifted value is returned.\r | |
| 2889 | \r | |
| 2890 | If Count is greater than 63, then ASSERT().\r | |
| 2891 | \r | |
| 2892 | @param Operand The 64-bit operand to shift right.\r | |
| 2893 | @param Count The number of bits to shift right.\r | |
| 2894 | \r | |
| 2895 | @return Operand >> Count\r | |
| 2896 | \r | |
| 2897 | **/\r | |
| 2898 | UINT64\r | |
| 2899 | EFIAPI\r | |
| 2900 | RShiftU64 (\r | |
| 2901 | IN UINT64 Operand,\r | |
| 2902 | IN UINTN Count\r | |
| 2903 | );\r | |
| 2904 | \r | |
| 2905 | \r | |
| 2906 | /**\r | |
| 2907 | Shifts a 64-bit integer right between 0 and 63 bits. The high bits are filled\r | |
| 2908 | with original integer's bit 63. The shifted value is returned.\r | |
| 2909 | \r | |
| 2910 | This function shifts the 64-bit value Operand to the right by Count bits. The\r | |
| 2911 | high Count bits are set to bit 63 of Operand. The shifted value is returned.\r | |
| 2912 | \r | |
| 2913 | If Count is greater than 63, then ASSERT().\r | |
| 2914 | \r | |
| 2915 | @param Operand The 64-bit operand to shift right.\r | |
| 2916 | @param Count The number of bits to shift right.\r | |
| 2917 | \r | |
| 2918 | @return Operand >> Count\r | |
| 2919 | \r | |
| 2920 | **/\r | |
| 2921 | UINT64\r | |
| 2922 | EFIAPI\r | |
| 2923 | ARShiftU64 (\r | |
| 2924 | IN UINT64 Operand,\r | |
| 2925 | IN UINTN Count\r | |
| 2926 | );\r | |
| 2927 | \r | |
| 2928 | \r | |
| 2929 | /**\r | |
| 2930 | Rotates a 32-bit integer left between 0 and 31 bits, filling the low bits\r | |
| 2931 | with the high bits that were rotated.\r | |
| 2932 | \r | |
| 2933 | This function rotates the 32-bit value Operand to the left by Count bits. The\r | |
| 2934 | low Count bits are fill with the high Count bits of Operand. The rotated\r | |
| 2935 | value is returned.\r | |
| 2936 | \r | |
| 2937 | If Count is greater than 31, then ASSERT().\r | |
| 2938 | \r | |
| 2939 | @param Operand The 32-bit operand to rotate left.\r | |
| 2940 | @param Count The number of bits to rotate left.\r | |
| 2941 | \r | |
| 17f695ed | 2942 | @return Operand << Count\r |
| ac644614 | 2943 | \r |
| 2944 | **/\r | |
| 2945 | UINT32\r | |
| 2946 | EFIAPI\r | |
| 2947 | LRotU32 (\r | |
| 2948 | IN UINT32 Operand,\r | |
| 2949 | IN UINTN Count\r | |
| 2950 | );\r | |
| 2951 | \r | |
| 2952 | \r | |
| 2953 | /**\r | |
| 2954 | Rotates a 32-bit integer right between 0 and 31 bits, filling the high bits\r | |
| 2955 | with the low bits that were rotated.\r | |
| 2956 | \r | |
| 2957 | This function rotates the 32-bit value Operand to the right by Count bits.\r | |
| 2958 | The high Count bits are fill with the low Count bits of Operand. The rotated\r | |
| 2959 | value is returned.\r | |
| 2960 | \r | |
| 2961 | If Count is greater than 31, then ASSERT().\r | |
| 2962 | \r | |
| 2963 | @param Operand The 32-bit operand to rotate right.\r | |
| 2964 | @param Count The number of bits to rotate right.\r | |
| 2965 | \r | |
| 2fe241a2 | 2966 | @return Operand >> Count\r |
| ac644614 | 2967 | \r |
| 2968 | **/\r | |
| 2969 | UINT32\r | |
| 2970 | EFIAPI\r | |
| 2971 | RRotU32 (\r | |
| 2972 | IN UINT32 Operand,\r | |
| 2973 | IN UINTN Count\r | |
| 2974 | );\r | |
| 2975 | \r | |
| 2976 | \r | |
| 2977 | /**\r | |
| 2978 | Rotates a 64-bit integer left between 0 and 63 bits, filling the low bits\r | |
| 2979 | with the high bits that were rotated.\r | |
| 2980 | \r | |
| 2981 | This function rotates the 64-bit value Operand to the left by Count bits. The\r | |
| 2982 | low Count bits are fill with the high Count bits of Operand. The rotated\r | |
| 2983 | value is returned.\r | |
| 2984 | \r | |
| 2985 | If Count is greater than 63, then ASSERT().\r | |
| 2986 | \r | |
| 2987 | @param Operand The 64-bit operand to rotate left.\r | |
| 2988 | @param Count The number of bits to rotate left.\r | |
| 2989 | \r | |
| 17f695ed | 2990 | @return Operand << Count\r |
| ac644614 | 2991 | \r |
| 2992 | **/\r | |
| 2993 | UINT64\r | |
| 2994 | EFIAPI\r | |
| 2995 | LRotU64 (\r | |
| 2996 | IN UINT64 Operand,\r | |
| 2997 | IN UINTN Count\r | |
| 2998 | );\r | |
| 2999 | \r | |
| 3000 | \r | |
| 3001 | /**\r | |
| 3002 | Rotates a 64-bit integer right between 0 and 63 bits, filling the high bits\r | |
| 3003 | with the high low bits that were rotated.\r | |
| 3004 | \r | |
| 3005 | This function rotates the 64-bit value Operand to the right by Count bits.\r | |
| 3006 | The high Count bits are fill with the low Count bits of Operand. The rotated\r | |
| 3007 | value is returned.\r | |
| 3008 | \r | |
| 3009 | If Count is greater than 63, then ASSERT().\r | |
| 3010 | \r | |
| 3011 | @param Operand The 64-bit operand to rotate right.\r | |
| 3012 | @param Count The number of bits to rotate right.\r | |
| 3013 | \r | |
| 17f695ed | 3014 | @return Operand >> Count\r |
| ac644614 | 3015 | \r |
| 3016 | **/\r | |
| 3017 | UINT64\r | |
| 3018 | EFIAPI\r | |
| 3019 | RRotU64 (\r | |
| 3020 | IN UINT64 Operand,\r | |
| 3021 | IN UINTN Count\r | |
| 3022 | );\r | |
| 3023 | \r | |
| 3024 | \r | |
| 3025 | /**\r | |
| 3026 | Returns the bit position of the lowest bit set in a 32-bit value.\r | |
| 3027 | \r | |
| 3028 | This function computes the bit position of the lowest bit set in the 32-bit\r | |
| 3029 | value specified by Operand. If Operand is zero, then -1 is returned.\r | |
| 3030 | Otherwise, a value between 0 and 31 is returned.\r | |
| 3031 | \r | |
| 3032 | @param Operand The 32-bit operand to evaluate.\r | |
| 3033 | \r | |
| 9aa049d9 | 3034 | @retval 0..31 The lowest bit set in Operand was found.\r |
| 17f695ed | 3035 | @retval -1 Operand is zero.\r |
| ac644614 | 3036 | \r |
| 3037 | **/\r | |
| 3038 | INTN\r | |
| 3039 | EFIAPI\r | |
| 3040 | LowBitSet32 (\r | |
| 3041 | IN UINT32 Operand\r | |
| 3042 | );\r | |
| 3043 | \r | |
| 3044 | \r | |
| 3045 | /**\r | |
| 3046 | Returns the bit position of the lowest bit set in a 64-bit value.\r | |
| 3047 | \r | |
| 3048 | This function computes the bit position of the lowest bit set in the 64-bit\r | |
| 3049 | value specified by Operand. If Operand is zero, then -1 is returned.\r | |
| 3050 | Otherwise, a value between 0 and 63 is returned.\r | |
| 3051 | \r | |
| 3052 | @param Operand The 64-bit operand to evaluate.\r | |
| 3053 | \r | |
| 9aa049d9 | 3054 | @retval 0..63 The lowest bit set in Operand was found.\r |
| 17f695ed | 3055 | @retval -1 Operand is zero.\r |
| 3056 | \r | |
| ac644614 | 3057 | \r |
| 3058 | **/\r | |
| 3059 | INTN\r | |
| 3060 | EFIAPI\r | |
| 3061 | LowBitSet64 (\r | |
| 3062 | IN UINT64 Operand\r | |
| 3063 | );\r | |
| 3064 | \r | |
| 3065 | \r | |
| 3066 | /**\r | |
| 3067 | Returns the bit position of the highest bit set in a 32-bit value. Equivalent\r | |
| 3068 | to log2(x).\r | |
| 3069 | \r | |
| 3070 | This function computes the bit position of the highest bit set in the 32-bit\r | |
| 3071 | value specified by Operand. If Operand is zero, then -1 is returned.\r | |
| 3072 | Otherwise, a value between 0 and 31 is returned.\r | |
| 3073 | \r | |
| 3074 | @param Operand The 32-bit operand to evaluate.\r | |
| 3075 | \r | |
| 9aa049d9 | 3076 | @retval 0..31 Position of the highest bit set in Operand if found.\r |
| 17f695ed | 3077 | @retval -1 Operand is zero.\r |
| ac644614 | 3078 | \r |
| 3079 | **/\r | |
| 3080 | INTN\r | |
| 3081 | EFIAPI\r | |
| 3082 | HighBitSet32 (\r | |
| 3083 | IN UINT32 Operand\r | |
| 3084 | );\r | |
| 3085 | \r | |
| 3086 | \r | |
| 3087 | /**\r | |
| 3088 | Returns the bit position of the highest bit set in a 64-bit value. Equivalent\r | |
| 3089 | to log2(x).\r | |
| 3090 | \r | |
| 3091 | This function computes the bit position of the highest bit set in the 64-bit\r | |
| 3092 | value specified by Operand. If Operand is zero, then -1 is returned.\r | |
| 3093 | Otherwise, a value between 0 and 63 is returned.\r | |
| 3094 | \r | |
| 3095 | @param Operand The 64-bit operand to evaluate.\r | |
| 3096 | \r | |
| 9aa049d9 | 3097 | @retval 0..63 Position of the highest bit set in Operand if found.\r |
| 17f695ed | 3098 | @retval -1 Operand is zero.\r |
| ac644614 | 3099 | \r |
| 3100 | **/\r | |
| 3101 | INTN\r | |
| 3102 | EFIAPI\r | |
| 3103 | HighBitSet64 (\r | |
| 3104 | IN UINT64 Operand\r | |
| 3105 | );\r | |
| 3106 | \r | |
| 3107 | \r | |
| 3108 | /**\r | |
| 3109 | Returns the value of the highest bit set in a 32-bit value. Equivalent to\r | |
| 17f695ed | 3110 | 1 << log2(x).\r |
| ac644614 | 3111 | \r |
| 3112 | This function computes the value of the highest bit set in the 32-bit value\r | |
| 3113 | specified by Operand. If Operand is zero, then zero is returned.\r | |
| 3114 | \r | |
| 3115 | @param Operand The 32-bit operand to evaluate.\r | |
| 3116 | \r | |
| 3117 | @return 1 << HighBitSet32(Operand)\r | |
| 3118 | @retval 0 Operand is zero.\r | |
| 3119 | \r | |
| 3120 | **/\r | |
| 3121 | UINT32\r | |
| 3122 | EFIAPI\r | |
| 3123 | GetPowerOfTwo32 (\r | |
| 3124 | IN UINT32 Operand\r | |
| 3125 | );\r | |
| 3126 | \r | |
| 3127 | \r | |
| 3128 | /**\r | |
| 3129 | Returns the value of the highest bit set in a 64-bit value. Equivalent to\r | |
| 17f695ed | 3130 | 1 << log2(x).\r |
| ac644614 | 3131 | \r |
| 3132 | This function computes the value of the highest bit set in the 64-bit value\r | |
| 3133 | specified by Operand. If Operand is zero, then zero is returned.\r | |
| 3134 | \r | |
| 3135 | @param Operand The 64-bit operand to evaluate.\r | |
| 3136 | \r | |
| 3137 | @return 1 << HighBitSet64(Operand)\r | |
| 3138 | @retval 0 Operand is zero.\r | |
| 3139 | \r | |
| 3140 | **/\r | |
| 3141 | UINT64\r | |
| 3142 | EFIAPI\r | |
| 3143 | GetPowerOfTwo64 (\r | |
| 3144 | IN UINT64 Operand\r | |
| 3145 | );\r | |
| 3146 | \r | |
| 3147 | \r | |
| 3148 | /**\r | |
| af2dc6a7 | 3149 | Switches the endianness of a 16-bit integer.\r |
| ac644614 | 3150 | \r |
| 3151 | This function swaps the bytes in a 16-bit unsigned value to switch the value\r | |
| 3152 | from little endian to big endian or vice versa. The byte swapped value is\r | |
| 3153 | returned.\r | |
| 3154 | \r | |
| 2a53dabf | 3155 | @param Value A 16-bit unsigned value.\r |
| ac644614 | 3156 | \r |
| efb23117 | 3157 | @return The byte swapped Value.\r |
| ac644614 | 3158 | \r |
| 3159 | **/\r | |
| 3160 | UINT16\r | |
| 3161 | EFIAPI\r | |
| 3162 | SwapBytes16 (\r | |
| 3163 | IN UINT16 Value\r | |
| 3164 | );\r | |
| 3165 | \r | |
| 3166 | \r | |
| 3167 | /**\r | |
| af2dc6a7 | 3168 | Switches the endianness of a 32-bit integer.\r |
| ac644614 | 3169 | \r |
| 3170 | This function swaps the bytes in a 32-bit unsigned value to switch the value\r | |
| 3171 | from little endian to big endian or vice versa. The byte swapped value is\r | |
| 3172 | returned.\r | |
| 3173 | \r | |
| 2a53dabf | 3174 | @param Value A 32-bit unsigned value.\r |
| ac644614 | 3175 | \r |
| efb23117 | 3176 | @return The byte swapped Value.\r |
| ac644614 | 3177 | \r |
| 3178 | **/\r | |
| 3179 | UINT32\r | |
| 3180 | EFIAPI\r | |
| 3181 | SwapBytes32 (\r | |
| 3182 | IN UINT32 Value\r | |
| 3183 | );\r | |
| 3184 | \r | |
| 3185 | \r | |
| 3186 | /**\r | |
| af2dc6a7 | 3187 | Switches the endianness of a 64-bit integer.\r |
| ac644614 | 3188 | \r |
| 3189 | This function swaps the bytes in a 64-bit unsigned value to switch the value\r | |
| 3190 | from little endian to big endian or vice versa. The byte swapped value is\r | |
| 3191 | returned.\r | |
| 3192 | \r | |
| 2a53dabf | 3193 | @param Value A 64-bit unsigned value.\r |
| ac644614 | 3194 | \r |
| efb23117 | 3195 | @return The byte swapped Value.\r |
| ac644614 | 3196 | \r |
| 3197 | **/\r | |
| 3198 | UINT64\r | |
| 3199 | EFIAPI\r | |
| 3200 | SwapBytes64 (\r | |
| 3201 | IN UINT64 Value\r | |
| 3202 | );\r | |
| 3203 | \r | |
| 3204 | \r | |
| 3205 | /**\r | |
| 3206 | Multiples a 64-bit unsigned integer by a 32-bit unsigned integer and\r | |
| 3207 | generates a 64-bit unsigned result.\r | |
| 3208 | \r | |
| 3209 | This function multiples the 64-bit unsigned value Multiplicand by the 32-bit\r | |
| 3210 | unsigned value Multiplier and generates a 64-bit unsigned result. This 64-\r | |
| 3211 | bit unsigned result is returned.\r | |
| 3212 | \r | |
| ac644614 | 3213 | @param Multiplicand A 64-bit unsigned value.\r |
| 3214 | @param Multiplier A 32-bit unsigned value.\r | |
| 3215 | \r | |
| 3216 | @return Multiplicand * Multiplier\r | |
| 3217 | \r | |
| 3218 | **/\r | |
| 3219 | UINT64\r | |
| 3220 | EFIAPI\r | |
| 3221 | MultU64x32 (\r | |
| 3222 | IN UINT64 Multiplicand,\r | |
| 3223 | IN UINT32 Multiplier\r | |
| 3224 | );\r | |
| 3225 | \r | |
| 3226 | \r | |
| 3227 | /**\r | |
| 3228 | Multiples a 64-bit unsigned integer by a 64-bit unsigned integer and\r | |
| 3229 | generates a 64-bit unsigned result.\r | |
| 3230 | \r | |
| 3231 | This function multiples the 64-bit unsigned value Multiplicand by the 64-bit\r | |
| 3232 | unsigned value Multiplier and generates a 64-bit unsigned result. This 64-\r | |
| 3233 | bit unsigned result is returned.\r | |
| 3234 | \r | |
| ac644614 | 3235 | @param Multiplicand A 64-bit unsigned value.\r |
| 3236 | @param Multiplier A 64-bit unsigned value.\r | |
| 3237 | \r | |
| af2dc6a7 | 3238 | @return Multiplicand * Multiplier.\r |
| ac644614 | 3239 | \r |
| 3240 | **/\r | |
| 3241 | UINT64\r | |
| 3242 | EFIAPI\r | |
| 3243 | MultU64x64 (\r | |
| 3244 | IN UINT64 Multiplicand,\r | |
| 3245 | IN UINT64 Multiplier\r | |
| 3246 | );\r | |
| 3247 | \r | |
| 3248 | \r | |
| 3249 | /**\r | |
| 3250 | Multiples a 64-bit signed integer by a 64-bit signed integer and generates a\r | |
| 3251 | 64-bit signed result.\r | |
| 3252 | \r | |
| 3253 | This function multiples the 64-bit signed value Multiplicand by the 64-bit\r | |
| 3254 | signed value Multiplier and generates a 64-bit signed result. This 64-bit\r | |
| 3255 | signed result is returned.\r | |
| 3256 | \r | |
| ac644614 | 3257 | @param Multiplicand A 64-bit signed value.\r |
| 3258 | @param Multiplier A 64-bit signed value.\r | |
| 3259 | \r | |
| 3260 | @return Multiplicand * Multiplier\r | |
| 3261 | \r | |
| 3262 | **/\r | |
| 3263 | INT64\r | |
| 3264 | EFIAPI\r | |
| 3265 | MultS64x64 (\r | |
| 3266 | IN INT64 Multiplicand,\r | |
| 3267 | IN INT64 Multiplier\r | |
| 3268 | );\r | |
| 3269 | \r | |
| 3270 | \r | |
| 3271 | /**\r | |
| 3272 | Divides a 64-bit unsigned integer by a 32-bit unsigned integer and generates\r | |
| 3273 | a 64-bit unsigned result.\r | |
| 3274 | \r | |
| 3275 | This function divides the 64-bit unsigned value Dividend by the 32-bit\r | |
| 3276 | unsigned value Divisor and generates a 64-bit unsigned quotient. This\r | |
| 3277 | function returns the 64-bit unsigned quotient.\r | |
| 3278 | \r | |
| 3279 | If Divisor is 0, then ASSERT().\r | |
| 3280 | \r | |
| 3281 | @param Dividend A 64-bit unsigned value.\r | |
| 3282 | @param Divisor A 32-bit unsigned value.\r | |
| 3283 | \r | |
| af2dc6a7 | 3284 | @return Dividend / Divisor.\r |
| ac644614 | 3285 | \r |
| 3286 | **/\r | |
| 3287 | UINT64\r | |
| 3288 | EFIAPI\r | |
| 3289 | DivU64x32 (\r | |
| 3290 | IN UINT64 Dividend,\r | |
| 3291 | IN UINT32 Divisor\r | |
| 3292 | );\r | |
| 3293 | \r | |
| 3294 | \r | |
| 3295 | /**\r | |
| 3296 | Divides a 64-bit unsigned integer by a 32-bit unsigned integer and generates\r | |
| 3297 | a 32-bit unsigned remainder.\r | |
| 3298 | \r | |
| 3299 | This function divides the 64-bit unsigned value Dividend by the 32-bit\r | |
| 3300 | unsigned value Divisor and generates a 32-bit remainder. This function\r | |
| 3301 | returns the 32-bit unsigned remainder.\r | |
| 3302 | \r | |
| 3303 | If Divisor is 0, then ASSERT().\r | |
| 3304 | \r | |
| 3305 | @param Dividend A 64-bit unsigned value.\r | |
| 3306 | @param Divisor A 32-bit unsigned value.\r | |
| 3307 | \r | |
| af2dc6a7 | 3308 | @return Dividend % Divisor.\r |
| ac644614 | 3309 | \r |
| 3310 | **/\r | |
| 3311 | UINT32\r | |
| 3312 | EFIAPI\r | |
| 3313 | ModU64x32 (\r | |
| 3314 | IN UINT64 Dividend,\r | |
| 3315 | IN UINT32 Divisor\r | |
| 3316 | );\r | |
| 3317 | \r | |
| 3318 | \r | |
| 3319 | /**\r | |
| 3320 | Divides a 64-bit unsigned integer by a 32-bit unsigned integer and generates\r | |
| 3321 | a 64-bit unsigned result and an optional 32-bit unsigned remainder.\r | |
| 3322 | \r | |
| 3323 | This function divides the 64-bit unsigned value Dividend by the 32-bit\r | |
| 3324 | unsigned value Divisor and generates a 64-bit unsigned quotient. If Remainder\r | |
| 3325 | is not NULL, then the 32-bit unsigned remainder is returned in Remainder.\r | |
| 3326 | This function returns the 64-bit unsigned quotient.\r | |
| 3327 | \r | |
| 3328 | If Divisor is 0, then ASSERT().\r | |
| 3329 | \r | |
| 3330 | @param Dividend A 64-bit unsigned value.\r | |
| 3331 | @param Divisor A 32-bit unsigned value.\r | |
| 3332 | @param Remainder A pointer to a 32-bit unsigned value. This parameter is\r | |
| 3333 | optional and may be NULL.\r | |
| 3334 | \r | |
| af2dc6a7 | 3335 | @return Dividend / Divisor.\r |
| ac644614 | 3336 | \r |
| 3337 | **/\r | |
| 3338 | UINT64\r | |
| 3339 | EFIAPI\r | |
| 3340 | DivU64x32Remainder (\r | |
| 3341 | IN UINT64 Dividend,\r | |
| 3342 | IN UINT32 Divisor,\r | |
| 3343 | OUT UINT32 *Remainder OPTIONAL\r | |
| 3344 | );\r | |
| 3345 | \r | |
| 3346 | \r | |
| 3347 | /**\r | |
| 3348 | Divides a 64-bit unsigned integer by a 64-bit unsigned integer and generates\r | |
| 3349 | a 64-bit unsigned result and an optional 64-bit unsigned remainder.\r | |
| 3350 | \r | |
| 3351 | This function divides the 64-bit unsigned value Dividend by the 64-bit\r | |
| 3352 | unsigned value Divisor and generates a 64-bit unsigned quotient. If Remainder\r | |
| 3353 | is not NULL, then the 64-bit unsigned remainder is returned in Remainder.\r | |
| 3354 | This function returns the 64-bit unsigned quotient.\r | |
| 3355 | \r | |
| 3356 | If Divisor is 0, then ASSERT().\r | |
| 3357 | \r | |
| 3358 | @param Dividend A 64-bit unsigned value.\r | |
| 3359 | @param Divisor A 64-bit unsigned value.\r | |
| 3360 | @param Remainder A pointer to a 64-bit unsigned value. This parameter is\r | |
| 3361 | optional and may be NULL.\r | |
| 3362 | \r | |
| af2dc6a7 | 3363 | @return Dividend / Divisor.\r |
| ac644614 | 3364 | \r |
| 3365 | **/\r | |
| 3366 | UINT64\r | |
| 3367 | EFIAPI\r | |
| 3368 | DivU64x64Remainder (\r | |
| 3369 | IN UINT64 Dividend,\r | |
| 3370 | IN UINT64 Divisor,\r | |
| 3371 | OUT UINT64 *Remainder OPTIONAL\r | |
| 3372 | );\r | |
| 3373 | \r | |
| 3374 | \r | |
| 3375 | /**\r | |
| 3376 | Divides a 64-bit signed integer by a 64-bit signed integer and generates a\r | |
| 3377 | 64-bit signed result and a optional 64-bit signed remainder.\r | |
| 3378 | \r | |
| 3379 | This function divides the 64-bit signed value Dividend by the 64-bit signed\r | |
| 3380 | value Divisor and generates a 64-bit signed quotient. If Remainder is not\r | |
| 3381 | NULL, then the 64-bit signed remainder is returned in Remainder. This\r | |
| 3382 | function returns the 64-bit signed quotient.\r | |
| 3383 | \r | |
| 9aa049d9 | 3384 | It is the caller's responsibility to not call this function with a Divisor of 0.\r |
| 9095d37b | 3385 | If Divisor is 0, then the quotient and remainder should be assumed to be\r |
| 17f695ed | 3386 | the largest negative integer.\r |
| 3387 | \r | |
| ac644614 | 3388 | If Divisor is 0, then ASSERT().\r |
| 3389 | \r | |
| 3390 | @param Dividend A 64-bit signed value.\r | |
| 3391 | @param Divisor A 64-bit signed value.\r | |
| 3392 | @param Remainder A pointer to a 64-bit signed value. This parameter is\r | |
| 3393 | optional and may be NULL.\r | |
| 3394 | \r | |
| af2dc6a7 | 3395 | @return Dividend / Divisor.\r |
| ac644614 | 3396 | \r |
| 3397 | **/\r | |
| 3398 | INT64\r | |
| 3399 | EFIAPI\r | |
| 3400 | DivS64x64Remainder (\r | |
| 3401 | IN INT64 Dividend,\r | |
| 3402 | IN INT64 Divisor,\r | |
| 3403 | OUT INT64 *Remainder OPTIONAL\r | |
| 3404 | );\r | |
| 3405 | \r | |
| 3406 | \r | |
| 3407 | /**\r | |
| 3408 | Reads a 16-bit value from memory that may be unaligned.\r | |
| 3409 | \r | |
| 3410 | This function returns the 16-bit value pointed to by Buffer. The function\r | |
| 3411 | guarantees that the read operation does not produce an alignment fault.\r | |
| 3412 | \r | |
| 3413 | If the Buffer is NULL, then ASSERT().\r | |
| 3414 | \r | |
| af2dc6a7 | 3415 | @param Buffer The pointer to a 16-bit value that may be unaligned.\r |
| ac644614 | 3416 | \r |
| 5385a579 | 3417 | @return The 16-bit value read from Buffer.\r |
| ac644614 | 3418 | \r |
| 3419 | **/\r | |
| 3420 | UINT16\r | |
| 3421 | EFIAPI\r | |
| 3422 | ReadUnaligned16 (\r | |
| 5385a579 | 3423 | IN CONST UINT16 *Buffer\r |
| ac644614 | 3424 | );\r |
| 3425 | \r | |
| 3426 | \r | |
| 3427 | /**\r | |
| 3428 | Writes a 16-bit value to memory that may be unaligned.\r | |
| 3429 | \r | |
| 3430 | This function writes the 16-bit value specified by Value to Buffer. Value is\r | |
| 3431 | returned. The function guarantees that the write operation does not produce\r | |
| 3432 | an alignment fault.\r | |
| 3433 | \r | |
| 3434 | If the Buffer is NULL, then ASSERT().\r | |
| 3435 | \r | |
| af2dc6a7 | 3436 | @param Buffer The pointer to a 16-bit value that may be unaligned.\r |
| ac644614 | 3437 | @param Value 16-bit value to write to Buffer.\r |
| 3438 | \r | |
| 5385a579 | 3439 | @return The 16-bit value to write to Buffer.\r |
| ac644614 | 3440 | \r |
| 3441 | **/\r | |
| 3442 | UINT16\r | |
| 3443 | EFIAPI\r | |
| 3444 | WriteUnaligned16 (\r | |
| 5385a579 | 3445 | OUT UINT16 *Buffer,\r |
| 3446 | IN UINT16 Value\r | |
| ac644614 | 3447 | );\r |
| 3448 | \r | |
| 3449 | \r | |
| 3450 | /**\r | |
| 3451 | Reads a 24-bit value from memory that may be unaligned.\r | |
| 3452 | \r | |
| 3453 | This function returns the 24-bit value pointed to by Buffer. The function\r | |
| 3454 | guarantees that the read operation does not produce an alignment fault.\r | |
| 3455 | \r | |
| 3456 | If the Buffer is NULL, then ASSERT().\r | |
| 3457 | \r | |
| af2dc6a7 | 3458 | @param Buffer The pointer to a 24-bit value that may be unaligned.\r |
| ac644614 | 3459 | \r |
| 5385a579 | 3460 | @return The 24-bit value read from Buffer.\r |
| ac644614 | 3461 | \r |
| 3462 | **/\r | |
| 3463 | UINT32\r | |
| 3464 | EFIAPI\r | |
| 3465 | ReadUnaligned24 (\r | |
| 5385a579 | 3466 | IN CONST UINT32 *Buffer\r |
| ac644614 | 3467 | );\r |
| 3468 | \r | |
| 3469 | \r | |
| 3470 | /**\r | |
| 3471 | Writes a 24-bit value to memory that may be unaligned.\r | |
| 3472 | \r | |
| 3473 | This function writes the 24-bit value specified by Value to Buffer. Value is\r | |
| 3474 | returned. The function guarantees that the write operation does not produce\r | |
| 3475 | an alignment fault.\r | |
| 3476 | \r | |
| 3477 | If the Buffer is NULL, then ASSERT().\r | |
| 3478 | \r | |
| af2dc6a7 | 3479 | @param Buffer The pointer to a 24-bit value that may be unaligned.\r |
| ac644614 | 3480 | @param Value 24-bit value to write to Buffer.\r |
| 3481 | \r | |
| 5385a579 | 3482 | @return The 24-bit value to write to Buffer.\r |
| ac644614 | 3483 | \r |
| 3484 | **/\r | |
| 3485 | UINT32\r | |
| 3486 | EFIAPI\r | |
| 3487 | WriteUnaligned24 (\r | |
| 5385a579 | 3488 | OUT UINT32 *Buffer,\r |
| 3489 | IN UINT32 Value\r | |
| ac644614 | 3490 | );\r |
| 3491 | \r | |
| 3492 | \r | |
| 3493 | /**\r | |
| 3494 | Reads a 32-bit value from memory that may be unaligned.\r | |
| 3495 | \r | |
| 3496 | This function returns the 32-bit value pointed to by Buffer. The function\r | |
| 3497 | guarantees that the read operation does not produce an alignment fault.\r | |
| 3498 | \r | |
| 3499 | If the Buffer is NULL, then ASSERT().\r | |
| 3500 | \r | |
| af2dc6a7 | 3501 | @param Buffer The pointer to a 32-bit value that may be unaligned.\r |
| ac644614 | 3502 | \r |
| 5385a579 | 3503 | @return The 32-bit value read from Buffer.\r |
| ac644614 | 3504 | \r |
| 3505 | **/\r | |
| 3506 | UINT32\r | |
| 3507 | EFIAPI\r | |
| 3508 | ReadUnaligned32 (\r | |
| 5385a579 | 3509 | IN CONST UINT32 *Buffer\r |
| ac644614 | 3510 | );\r |
| 3511 | \r | |
| 3512 | \r | |
| 3513 | /**\r | |
| 3514 | Writes a 32-bit value to memory that may be unaligned.\r | |
| 3515 | \r | |
| 3516 | This function writes the 32-bit value specified by Value to Buffer. Value is\r | |
| 3517 | returned. The function guarantees that the write operation does not produce\r | |
| 3518 | an alignment fault.\r | |
| 3519 | \r | |
| 3520 | If the Buffer is NULL, then ASSERT().\r | |
| 3521 | \r | |
| af2dc6a7 | 3522 | @param Buffer The pointer to a 32-bit value that may be unaligned.\r |
| ac644614 | 3523 | @param Value 32-bit value to write to Buffer.\r |
| 3524 | \r | |
| 5385a579 | 3525 | @return The 32-bit value to write to Buffer.\r |
| ac644614 | 3526 | \r |
| 3527 | **/\r | |
| 3528 | UINT32\r | |
| 3529 | EFIAPI\r | |
| 3530 | WriteUnaligned32 (\r | |
| 5385a579 | 3531 | OUT UINT32 *Buffer,\r |
| 3532 | IN UINT32 Value\r | |
| ac644614 | 3533 | );\r |
| 3534 | \r | |
| 3535 | \r | |
| 3536 | /**\r | |
| 3537 | Reads a 64-bit value from memory that may be unaligned.\r | |
| 3538 | \r | |
| 3539 | This function returns the 64-bit value pointed to by Buffer. The function\r | |
| 3540 | guarantees that the read operation does not produce an alignment fault.\r | |
| 3541 | \r | |
| 3542 | If the Buffer is NULL, then ASSERT().\r | |
| 3543 | \r | |
| af2dc6a7 | 3544 | @param Buffer The pointer to a 64-bit value that may be unaligned.\r |
| ac644614 | 3545 | \r |
| 5385a579 | 3546 | @return The 64-bit value read from Buffer.\r |
| ac644614 | 3547 | \r |
| 3548 | **/\r | |
| 3549 | UINT64\r | |
| 3550 | EFIAPI\r | |
| 3551 | ReadUnaligned64 (\r | |
| 5385a579 | 3552 | IN CONST UINT64 *Buffer\r |
| ac644614 | 3553 | );\r |
| 3554 | \r | |
| 3555 | \r | |
| 3556 | /**\r | |
| 3557 | Writes a 64-bit value to memory that may be unaligned.\r | |
| 3558 | \r | |
| 3559 | This function writes the 64-bit value specified by Value to Buffer. Value is\r | |
| 3560 | returned. The function guarantees that the write operation does not produce\r | |
| 3561 | an alignment fault.\r | |
| 3562 | \r | |
| 3563 | If the Buffer is NULL, then ASSERT().\r | |
| 3564 | \r | |
| af2dc6a7 | 3565 | @param Buffer The pointer to a 64-bit value that may be unaligned.\r |
| ac644614 | 3566 | @param Value 64-bit value to write to Buffer.\r |
| 3567 | \r | |
| 5385a579 | 3568 | @return The 64-bit value to write to Buffer.\r |
| ac644614 | 3569 | \r |
| 3570 | **/\r | |
| 3571 | UINT64\r | |
| 3572 | EFIAPI\r | |
| 3573 | WriteUnaligned64 (\r | |
| 5385a579 | 3574 | OUT UINT64 *Buffer,\r |
| 3575 | IN UINT64 Value\r | |
| ac644614 | 3576 | );\r |
| 3577 | \r | |
| 3578 | \r | |
| 3579 | //\r | |
| 3580 | // Bit Field Functions\r | |
| 3581 | //\r | |
| 3582 | \r | |
| 3583 | /**\r | |
| 3584 | Returns a bit field from an 8-bit value.\r | |
| 3585 | \r | |
| 3586 | Returns the bitfield specified by the StartBit and the EndBit from Operand.\r | |
| 3587 | \r | |
| 3588 | If 8-bit operations are not supported, then ASSERT().\r | |
| 3589 | If StartBit is greater than 7, then ASSERT().\r | |
| 3590 | If EndBit is greater than 7, then ASSERT().\r | |
| 3591 | If EndBit is less than StartBit, then ASSERT().\r | |
| 3592 | \r | |
| 3593 | @param Operand Operand on which to perform the bitfield operation.\r | |
| 3594 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 3595 | Range 0..7.\r | |
| 3596 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 3597 | Range 0..7.\r | |
| 3598 | \r | |
| 3599 | @return The bit field read.\r | |
| 3600 | \r | |
| 3601 | **/\r | |
| 3602 | UINT8\r | |
| 3603 | EFIAPI\r | |
| 3604 | BitFieldRead8 (\r | |
| 3605 | IN UINT8 Operand,\r | |
| 3606 | IN UINTN StartBit,\r | |
| 3607 | IN UINTN EndBit\r | |
| 3608 | );\r | |
| 3609 | \r | |
| 3610 | \r | |
| 3611 | /**\r | |
| 3612 | Writes a bit field to an 8-bit value, and returns the result.\r | |
| 3613 | \r | |
| 3614 | Writes Value to the bit field specified by the StartBit and the EndBit in\r | |
| 3615 | Operand. All other bits in Operand are preserved. The new 8-bit value is\r | |
| 3616 | returned.\r | |
| 3617 | \r | |
| 3618 | If 8-bit operations are not supported, then ASSERT().\r | |
| 3619 | If StartBit is greater than 7, then ASSERT().\r | |
| 3620 | If EndBit is greater than 7, then ASSERT().\r | |
| 3621 | If EndBit is less than StartBit, then ASSERT().\r | |
| 94952554 | 3622 | If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
| ac644614 | 3623 | \r |
| 3624 | @param Operand Operand on which to perform the bitfield operation.\r | |
| 3625 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 3626 | Range 0..7.\r | |
| 3627 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 3628 | Range 0..7.\r | |
| 3629 | @param Value New value of the bit field.\r | |
| 3630 | \r | |
| 3631 | @return The new 8-bit value.\r | |
| 3632 | \r | |
| 3633 | **/\r | |
| 3634 | UINT8\r | |
| 3635 | EFIAPI\r | |
| 3636 | BitFieldWrite8 (\r | |
| 3637 | IN UINT8 Operand,\r | |
| 3638 | IN UINTN StartBit,\r | |
| 3639 | IN UINTN EndBit,\r | |
| 3640 | IN UINT8 Value\r | |
| 3641 | );\r | |
| 3642 | \r | |
| 3643 | \r | |
| 3644 | /**\r | |
| 3645 | Reads a bit field from an 8-bit value, performs a bitwise OR, and returns the\r | |
| 3646 | result.\r | |
| 3647 | \r | |
| 62991af2 | 3648 | Performs a bitwise OR between the bit field specified by StartBit\r |
| ac644614 | 3649 | and EndBit in Operand and the value specified by OrData. All other bits in\r |
| 3650 | Operand are preserved. The new 8-bit value is returned.\r | |
| 3651 | \r | |
| 3652 | If 8-bit operations are not supported, then ASSERT().\r | |
| 3653 | If StartBit is greater than 7, then ASSERT().\r | |
| 3654 | If EndBit is greater than 7, then ASSERT().\r | |
| 3655 | If EndBit is less than StartBit, then ASSERT().\r | |
| 94952554 | 3656 | If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
| ac644614 | 3657 | \r |
| 3658 | @param Operand Operand on which to perform the bitfield operation.\r | |
| 3659 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 3660 | Range 0..7.\r | |
| 3661 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 3662 | Range 0..7.\r | |
| 3663 | @param OrData The value to OR with the read value from the value\r | |
| 3664 | \r | |
| 3665 | @return The new 8-bit value.\r | |
| 3666 | \r | |
| 3667 | **/\r | |
| 3668 | UINT8\r | |
| 3669 | EFIAPI\r | |
| 3670 | BitFieldOr8 (\r | |
| 3671 | IN UINT8 Operand,\r | |
| 3672 | IN UINTN StartBit,\r | |
| 3673 | IN UINTN EndBit,\r | |
| 3674 | IN UINT8 OrData\r | |
| 3675 | );\r | |
| 3676 | \r | |
| 3677 | \r | |
| 3678 | /**\r | |
| 3679 | Reads a bit field from an 8-bit value, performs a bitwise AND, and returns\r | |
| 3680 | the result.\r | |
| 3681 | \r | |
| 3682 | Performs a bitwise AND between the bit field specified by StartBit and EndBit\r | |
| 3683 | in Operand and the value specified by AndData. All other bits in Operand are\r | |
| 3684 | preserved. The new 8-bit value is returned.\r | |
| 3685 | \r | |
| 3686 | If 8-bit operations are not supported, then ASSERT().\r | |
| 3687 | If StartBit is greater than 7, then ASSERT().\r | |
| 3688 | If EndBit is greater than 7, then ASSERT().\r | |
| 3689 | If EndBit is less than StartBit, then ASSERT().\r | |
| 94952554 | 3690 | If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
| ac644614 | 3691 | \r |
| 3692 | @param Operand Operand on which to perform the bitfield operation.\r | |
| 3693 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 3694 | Range 0..7.\r | |
| 3695 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 3696 | Range 0..7.\r | |
| 3697 | @param AndData The value to AND with the read value from the value.\r | |
| 3698 | \r | |
| 3699 | @return The new 8-bit value.\r | |
| 3700 | \r | |
| 3701 | **/\r | |
| 3702 | UINT8\r | |
| 3703 | EFIAPI\r | |
| 3704 | BitFieldAnd8 (\r | |
| 3705 | IN UINT8 Operand,\r | |
| 3706 | IN UINTN StartBit,\r | |
| 3707 | IN UINTN EndBit,\r | |
| 3708 | IN UINT8 AndData\r | |
| 3709 | );\r | |
| 3710 | \r | |
| 3711 | \r | |
| 3712 | /**\r | |
| 3713 | Reads a bit field from an 8-bit value, performs a bitwise AND followed by a\r | |
| 3714 | bitwise OR, and returns the result.\r | |
| 3715 | \r | |
| 3716 | Performs a bitwise AND between the bit field specified by StartBit and EndBit\r | |
| 9095d37b | 3717 | in Operand and the value specified by AndData, followed by a bitwise\r |
| 62991af2 | 3718 | OR with value specified by OrData. All other bits in Operand are\r |
| ac644614 | 3719 | preserved. The new 8-bit value is returned.\r |
| 3720 | \r | |
| 3721 | If 8-bit operations are not supported, then ASSERT().\r | |
| 3722 | If StartBit is greater than 7, then ASSERT().\r | |
| 3723 | If EndBit is greater than 7, then ASSERT().\r | |
| 3724 | If EndBit is less than StartBit, then ASSERT().\r | |
| 94952554 LG |
3725 | If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
| 3726 | If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r | |
| ac644614 | 3727 | \r |
| 3728 | @param Operand Operand on which to perform the bitfield operation.\r | |
| 3729 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 3730 | Range 0..7.\r | |
| 3731 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 3732 | Range 0..7.\r | |
| 3733 | @param AndData The value to AND with the read value from the value.\r | |
| 3734 | @param OrData The value to OR with the result of the AND operation.\r | |
| 3735 | \r | |
| 3736 | @return The new 8-bit value.\r | |
| 3737 | \r | |
| 3738 | **/\r | |
| 3739 | UINT8\r | |
| 3740 | EFIAPI\r | |
| 3741 | BitFieldAndThenOr8 (\r | |
| 3742 | IN UINT8 Operand,\r | |
| 3743 | IN UINTN StartBit,\r | |
| 3744 | IN UINTN EndBit,\r | |
| 3745 | IN UINT8 AndData,\r | |
| 3746 | IN UINT8 OrData\r | |
| 3747 | );\r | |
| 3748 | \r | |
| 3749 | \r | |
| 3750 | /**\r | |
| 3751 | Returns a bit field from a 16-bit value.\r | |
| 3752 | \r | |
| 3753 | Returns the bitfield specified by the StartBit and the EndBit from Operand.\r | |
| 3754 | \r | |
| 3755 | If 16-bit operations are not supported, then ASSERT().\r | |
| 3756 | If StartBit is greater than 15, then ASSERT().\r | |
| 3757 | If EndBit is greater than 15, then ASSERT().\r | |
| 3758 | If EndBit is less than StartBit, then ASSERT().\r | |
| 3759 | \r | |
| 3760 | @param Operand Operand on which to perform the bitfield operation.\r | |
| 3761 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 3762 | Range 0..15.\r | |
| 3763 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 3764 | Range 0..15.\r | |
| 3765 | \r | |
| 3766 | @return The bit field read.\r | |
| 3767 | \r | |
| 3768 | **/\r | |
| 3769 | UINT16\r | |
| 3770 | EFIAPI\r | |
| 3771 | BitFieldRead16 (\r | |
| 3772 | IN UINT16 Operand,\r | |
| 3773 | IN UINTN StartBit,\r | |
| 3774 | IN UINTN EndBit\r | |
| 3775 | );\r | |
| 3776 | \r | |
| 3777 | \r | |
| 3778 | /**\r | |
| 3779 | Writes a bit field to a 16-bit value, and returns the result.\r | |
| 3780 | \r | |
| 3781 | Writes Value to the bit field specified by the StartBit and the EndBit in\r | |
| 3782 | Operand. All other bits in Operand are preserved. The new 16-bit value is\r | |
| 3783 | returned.\r | |
| 3784 | \r | |
| 3785 | If 16-bit operations are not supported, then ASSERT().\r | |
| 3786 | If StartBit is greater than 15, then ASSERT().\r | |
| 3787 | If EndBit is greater than 15, then ASSERT().\r | |
| 3788 | If EndBit is less than StartBit, then ASSERT().\r | |
| 94952554 | 3789 | If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
| ac644614 | 3790 | \r |
| 3791 | @param Operand Operand on which to perform the bitfield operation.\r | |
| 3792 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 3793 | Range 0..15.\r | |
| 3794 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 3795 | Range 0..15.\r | |
| 3796 | @param Value New value of the bit field.\r | |
| 3797 | \r | |
| 3798 | @return The new 16-bit value.\r | |
| 3799 | \r | |
| 3800 | **/\r | |
| 3801 | UINT16\r | |
| 3802 | EFIAPI\r | |
| 3803 | BitFieldWrite16 (\r | |
| 3804 | IN UINT16 Operand,\r | |
| 3805 | IN UINTN StartBit,\r | |
| 3806 | IN UINTN EndBit,\r | |
| 3807 | IN UINT16 Value\r | |
| 3808 | );\r | |
| 3809 | \r | |
| 3810 | \r | |
| 3811 | /**\r | |
| 3812 | Reads a bit field from a 16-bit value, performs a bitwise OR, and returns the\r | |
| 3813 | result.\r | |
| 3814 | \r | |
| 62991af2 | 3815 | Performs a bitwise OR between the bit field specified by StartBit\r |
| ac644614 | 3816 | and EndBit in Operand and the value specified by OrData. All other bits in\r |
| 3817 | Operand are preserved. The new 16-bit value is returned.\r | |
| 3818 | \r | |
| 3819 | If 16-bit operations are not supported, then ASSERT().\r | |
| 3820 | If StartBit is greater than 15, then ASSERT().\r | |
| 3821 | If EndBit is greater than 15, then ASSERT().\r | |
| 3822 | If EndBit is less than StartBit, then ASSERT().\r | |
| 94952554 | 3823 | If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
| ac644614 | 3824 | \r |
| 3825 | @param Operand Operand on which to perform the bitfield operation.\r | |
| 3826 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 3827 | Range 0..15.\r | |
| 3828 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 3829 | Range 0..15.\r | |
| 3830 | @param OrData The value to OR with the read value from the value\r | |
| 3831 | \r | |
| 3832 | @return The new 16-bit value.\r | |
| 3833 | \r | |
| 3834 | **/\r | |
| 3835 | UINT16\r | |
| 3836 | EFIAPI\r | |
| 3837 | BitFieldOr16 (\r | |
| 3838 | IN UINT16 Operand,\r | |
| 3839 | IN UINTN StartBit,\r | |
| 3840 | IN UINTN EndBit,\r | |
| 3841 | IN UINT16 OrData\r | |
| 3842 | );\r | |
| 3843 | \r | |
| 3844 | \r | |
| 3845 | /**\r | |
| 3846 | Reads a bit field from a 16-bit value, performs a bitwise AND, and returns\r | |
| 3847 | the result.\r | |
| 3848 | \r | |
| 3849 | Performs a bitwise AND between the bit field specified by StartBit and EndBit\r | |
| 3850 | in Operand and the value specified by AndData. All other bits in Operand are\r | |
| 3851 | preserved. The new 16-bit value is returned.\r | |
| 3852 | \r | |
| 3853 | If 16-bit operations are not supported, then ASSERT().\r | |
| 3854 | If StartBit is greater than 15, then ASSERT().\r | |
| 3855 | If EndBit is greater than 15, then ASSERT().\r | |
| 3856 | If EndBit is less than StartBit, then ASSERT().\r | |
| 94952554 | 3857 | If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
| ac644614 | 3858 | \r |
| 3859 | @param Operand Operand on which to perform the bitfield operation.\r | |
| 3860 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 3861 | Range 0..15.\r | |
| 3862 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 3863 | Range 0..15.\r | |
| 3864 | @param AndData The value to AND with the read value from the value\r | |
| 3865 | \r | |
| 3866 | @return The new 16-bit value.\r | |
| 3867 | \r | |
| 3868 | **/\r | |
| 3869 | UINT16\r | |
| 3870 | EFIAPI\r | |
| 3871 | BitFieldAnd16 (\r | |
| 3872 | IN UINT16 Operand,\r | |
| 3873 | IN UINTN StartBit,\r | |
| 3874 | IN UINTN EndBit,\r | |
| 3875 | IN UINT16 AndData\r | |
| 3876 | );\r | |
| 3877 | \r | |
| 3878 | \r | |
| 3879 | /**\r | |
| 3880 | Reads a bit field from a 16-bit value, performs a bitwise AND followed by a\r | |
| 3881 | bitwise OR, and returns the result.\r | |
| 3882 | \r | |
| 3883 | Performs a bitwise AND between the bit field specified by StartBit and EndBit\r | |
| 9095d37b | 3884 | in Operand and the value specified by AndData, followed by a bitwise\r |
| 62991af2 | 3885 | OR with value specified by OrData. All other bits in Operand are\r |
| ac644614 | 3886 | preserved. The new 16-bit value is returned.\r |
| 3887 | \r | |
| 3888 | If 16-bit operations are not supported, then ASSERT().\r | |
| 3889 | If StartBit is greater than 15, then ASSERT().\r | |
| 3890 | If EndBit is greater than 15, then ASSERT().\r | |
| 3891 | If EndBit is less than StartBit, then ASSERT().\r | |
| 94952554 LG |
3892 | If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
| 3893 | If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r | |
| ac644614 | 3894 | \r |
| 3895 | @param Operand Operand on which to perform the bitfield operation.\r | |
| 3896 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 3897 | Range 0..15.\r | |
| 3898 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 3899 | Range 0..15.\r | |
| 3900 | @param AndData The value to AND with the read value from the value.\r | |
| 3901 | @param OrData The value to OR with the result of the AND operation.\r | |
| 3902 | \r | |
| 3903 | @return The new 16-bit value.\r | |
| 3904 | \r | |
| 3905 | **/\r | |
| 3906 | UINT16\r | |
| 3907 | EFIAPI\r | |
| 3908 | BitFieldAndThenOr16 (\r | |
| 3909 | IN UINT16 Operand,\r | |
| 3910 | IN UINTN StartBit,\r | |
| 3911 | IN UINTN EndBit,\r | |
| 3912 | IN UINT16 AndData,\r | |
| 3913 | IN UINT16 OrData\r | |
| 3914 | );\r | |
| 3915 | \r | |
| 3916 | \r | |
| 3917 | /**\r | |
| 3918 | Returns a bit field from a 32-bit value.\r | |
| 3919 | \r | |
| 3920 | Returns the bitfield specified by the StartBit and the EndBit from Operand.\r | |
| 3921 | \r | |
| 3922 | If 32-bit operations are not supported, then ASSERT().\r | |
| 3923 | If StartBit is greater than 31, then ASSERT().\r | |
| 3924 | If EndBit is greater than 31, then ASSERT().\r | |
| 3925 | If EndBit is less than StartBit, then ASSERT().\r | |
| 3926 | \r | |
| 3927 | @param Operand Operand on which to perform the bitfield operation.\r | |
| 3928 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 3929 | Range 0..31.\r | |
| 3930 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 3931 | Range 0..31.\r | |
| 3932 | \r | |
| 3933 | @return The bit field read.\r | |
| 3934 | \r | |
| 3935 | **/\r | |
| 3936 | UINT32\r | |
| 3937 | EFIAPI\r | |
| 3938 | BitFieldRead32 (\r | |
| 3939 | IN UINT32 Operand,\r | |
| 3940 | IN UINTN StartBit,\r | |
| 3941 | IN UINTN EndBit\r | |
| 3942 | );\r | |
| 3943 | \r | |
| 3944 | \r | |
| 3945 | /**\r | |
| 3946 | Writes a bit field to a 32-bit value, and returns the result.\r | |
| 3947 | \r | |
| 3948 | Writes Value to the bit field specified by the StartBit and the EndBit in\r | |
| 3949 | Operand. All other bits in Operand are preserved. The new 32-bit value is\r | |
| 3950 | returned.\r | |
| 3951 | \r | |
| 3952 | If 32-bit operations are not supported, then ASSERT().\r | |
| 3953 | If StartBit is greater than 31, then ASSERT().\r | |
| 3954 | If EndBit is greater than 31, then ASSERT().\r | |
| 3955 | If EndBit is less than StartBit, then ASSERT().\r | |
| 94952554 | 3956 | If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
| ac644614 | 3957 | \r |
| 3958 | @param Operand Operand on which to perform the bitfield operation.\r | |
| 3959 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 3960 | Range 0..31.\r | |
| 3961 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 3962 | Range 0..31.\r | |
| 3963 | @param Value New value of the bit field.\r | |
| 3964 | \r | |
| 3965 | @return The new 32-bit value.\r | |
| 3966 | \r | |
| 3967 | **/\r | |
| 3968 | UINT32\r | |
| 3969 | EFIAPI\r | |
| 3970 | BitFieldWrite32 (\r | |
| 3971 | IN UINT32 Operand,\r | |
| 3972 | IN UINTN StartBit,\r | |
| 3973 | IN UINTN EndBit,\r | |
| 3974 | IN UINT32 Value\r | |
| 3975 | );\r | |
| 3976 | \r | |
| 3977 | \r | |
| 3978 | /**\r | |
| 3979 | Reads a bit field from a 32-bit value, performs a bitwise OR, and returns the\r | |
| 3980 | result.\r | |
| 3981 | \r | |
| 62991af2 | 3982 | Performs a bitwise OR between the bit field specified by StartBit\r |
| ac644614 | 3983 | and EndBit in Operand and the value specified by OrData. All other bits in\r |
| 3984 | Operand are preserved. The new 32-bit value is returned.\r | |
| 3985 | \r | |
| 3986 | If 32-bit operations are not supported, then ASSERT().\r | |
| 3987 | If StartBit is greater than 31, then ASSERT().\r | |
| 3988 | If EndBit is greater than 31, then ASSERT().\r | |
| 3989 | If EndBit is less than StartBit, then ASSERT().\r | |
| 94952554 | 3990 | If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
| ac644614 | 3991 | \r |
| 3992 | @param Operand Operand on which to perform the bitfield operation.\r | |
| 3993 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 3994 | Range 0..31.\r | |
| 3995 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 3996 | Range 0..31.\r | |
| af2dc6a7 | 3997 | @param OrData The value to OR with the read value from the value.\r |
| ac644614 | 3998 | \r |
| 3999 | @return The new 32-bit value.\r | |
| 4000 | \r | |
| 4001 | **/\r | |
| 4002 | UINT32\r | |
| 4003 | EFIAPI\r | |
| 4004 | BitFieldOr32 (\r | |
| 4005 | IN UINT32 Operand,\r | |
| 4006 | IN UINTN StartBit,\r | |
| 4007 | IN UINTN EndBit,\r | |
| 4008 | IN UINT32 OrData\r | |
| 4009 | );\r | |
| 4010 | \r | |
| 4011 | \r | |
| 4012 | /**\r | |
| 4013 | Reads a bit field from a 32-bit value, performs a bitwise AND, and returns\r | |
| 4014 | the result.\r | |
| 4015 | \r | |
| 4016 | Performs a bitwise AND between the bit field specified by StartBit and EndBit\r | |
| 4017 | in Operand and the value specified by AndData. All other bits in Operand are\r | |
| 4018 | preserved. The new 32-bit value is returned.\r | |
| 4019 | \r | |
| 4020 | If 32-bit operations are not supported, then ASSERT().\r | |
| 4021 | If StartBit is greater than 31, then ASSERT().\r | |
| 4022 | If EndBit is greater than 31, then ASSERT().\r | |
| 4023 | If EndBit is less than StartBit, then ASSERT().\r | |
| 94952554 | 4024 | If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
| ac644614 | 4025 | \r |
| 4026 | @param Operand Operand on which to perform the bitfield operation.\r | |
| 4027 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 4028 | Range 0..31.\r | |
| 4029 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 4030 | Range 0..31.\r | |
| 4031 | @param AndData The value to AND with the read value from the value\r | |
| 4032 | \r | |
| 4033 | @return The new 32-bit value.\r | |
| 4034 | \r | |
| 4035 | **/\r | |
| 4036 | UINT32\r | |
| 4037 | EFIAPI\r | |
| 4038 | BitFieldAnd32 (\r | |
| 4039 | IN UINT32 Operand,\r | |
| 4040 | IN UINTN StartBit,\r | |
| 4041 | IN UINTN EndBit,\r | |
| 4042 | IN UINT32 AndData\r | |
| 4043 | );\r | |
| 4044 | \r | |
| 4045 | \r | |
| 4046 | /**\r | |
| 4047 | Reads a bit field from a 32-bit value, performs a bitwise AND followed by a\r | |
| 4048 | bitwise OR, and returns the result.\r | |
| 4049 | \r | |
| 4050 | Performs a bitwise AND between the bit field specified by StartBit and EndBit\r | |
| 9095d37b | 4051 | in Operand and the value specified by AndData, followed by a bitwise\r |
| 62991af2 | 4052 | OR with value specified by OrData. All other bits in Operand are\r |
| ac644614 | 4053 | preserved. The new 32-bit value is returned.\r |
| 4054 | \r | |
| 4055 | If 32-bit operations are not supported, then ASSERT().\r | |
| 4056 | If StartBit is greater than 31, then ASSERT().\r | |
| 4057 | If EndBit is greater than 31, then ASSERT().\r | |
| 4058 | If EndBit is less than StartBit, then ASSERT().\r | |
| 94952554 LG |
4059 | If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
| 4060 | If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r | |
| ac644614 | 4061 | \r |
| 4062 | @param Operand Operand on which to perform the bitfield operation.\r | |
| 4063 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 4064 | Range 0..31.\r | |
| 4065 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 4066 | Range 0..31.\r | |
| 4067 | @param AndData The value to AND with the read value from the value.\r | |
| 4068 | @param OrData The value to OR with the result of the AND operation.\r | |
| 4069 | \r | |
| 4070 | @return The new 32-bit value.\r | |
| 4071 | \r | |
| 4072 | **/\r | |
| 4073 | UINT32\r | |
| 4074 | EFIAPI\r | |
| 4075 | BitFieldAndThenOr32 (\r | |
| 4076 | IN UINT32 Operand,\r | |
| 4077 | IN UINTN StartBit,\r | |
| 4078 | IN UINTN EndBit,\r | |
| 4079 | IN UINT32 AndData,\r | |
| 4080 | IN UINT32 OrData\r | |
| 4081 | );\r | |
| 4082 | \r | |
| 4083 | \r | |
| 4084 | /**\r | |
| 4085 | Returns a bit field from a 64-bit value.\r | |
| 4086 | \r | |
| 4087 | Returns the bitfield specified by the StartBit and the EndBit from Operand.\r | |
| 4088 | \r | |
| 4089 | If 64-bit operations are not supported, then ASSERT().\r | |
| 4090 | If StartBit is greater than 63, then ASSERT().\r | |
| 4091 | If EndBit is greater than 63, then ASSERT().\r | |
| 4092 | If EndBit is less than StartBit, then ASSERT().\r | |
| 4093 | \r | |
| 4094 | @param Operand Operand on which to perform the bitfield operation.\r | |
| 4095 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 4096 | Range 0..63.\r | |
| 4097 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 4098 | Range 0..63.\r | |
| 4099 | \r | |
| 4100 | @return The bit field read.\r | |
| 4101 | \r | |
| 4102 | **/\r | |
| 4103 | UINT64\r | |
| 4104 | EFIAPI\r | |
| 4105 | BitFieldRead64 (\r | |
| 4106 | IN UINT64 Operand,\r | |
| 4107 | IN UINTN StartBit,\r | |
| 4108 | IN UINTN EndBit\r | |
| 4109 | );\r | |
| 4110 | \r | |
| 4111 | \r | |
| 4112 | /**\r | |
| 4113 | Writes a bit field to a 64-bit value, and returns the result.\r | |
| 4114 | \r | |
| 4115 | Writes Value to the bit field specified by the StartBit and the EndBit in\r | |
| 4116 | Operand. All other bits in Operand are preserved. The new 64-bit value is\r | |
| 4117 | returned.\r | |
| 4118 | \r | |
| 4119 | If 64-bit operations are not supported, then ASSERT().\r | |
| 4120 | If StartBit is greater than 63, then ASSERT().\r | |
| 4121 | If EndBit is greater than 63, then ASSERT().\r | |
| 4122 | If EndBit is less than StartBit, then ASSERT().\r | |
| 94952554 | 4123 | If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
| ac644614 | 4124 | \r |
| 4125 | @param Operand Operand on which to perform the bitfield operation.\r | |
| 4126 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 4127 | Range 0..63.\r | |
| 4128 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 4129 | Range 0..63.\r | |
| 4130 | @param Value New value of the bit field.\r | |
| 4131 | \r | |
| 4132 | @return The new 64-bit value.\r | |
| 4133 | \r | |
| 4134 | **/\r | |
| 4135 | UINT64\r | |
| 4136 | EFIAPI\r | |
| 4137 | BitFieldWrite64 (\r | |
| 4138 | IN UINT64 Operand,\r | |
| 4139 | IN UINTN StartBit,\r | |
| 4140 | IN UINTN EndBit,\r | |
| 4141 | IN UINT64 Value\r | |
| 4142 | );\r | |
| 4143 | \r | |
| 4144 | \r | |
| 4145 | /**\r | |
| 4146 | Reads a bit field from a 64-bit value, performs a bitwise OR, and returns the\r | |
| 4147 | result.\r | |
| 4148 | \r | |
| 62991af2 | 4149 | Performs a bitwise OR between the bit field specified by StartBit\r |
| ac644614 | 4150 | and EndBit in Operand and the value specified by OrData. All other bits in\r |
| 4151 | Operand are preserved. The new 64-bit value is returned.\r | |
| 4152 | \r | |
| 4153 | If 64-bit operations are not supported, then ASSERT().\r | |
| 4154 | If StartBit is greater than 63, then ASSERT().\r | |
| 4155 | If EndBit is greater than 63, then ASSERT().\r | |
| 4156 | If EndBit is less than StartBit, then ASSERT().\r | |
| 94952554 | 4157 | If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
| ac644614 | 4158 | \r |
| 4159 | @param Operand Operand on which to perform the bitfield operation.\r | |
| 4160 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 4161 | Range 0..63.\r | |
| 4162 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 4163 | Range 0..63.\r | |
| 4164 | @param OrData The value to OR with the read value from the value\r | |
| 4165 | \r | |
| 4166 | @return The new 64-bit value.\r | |
| 4167 | \r | |
| 4168 | **/\r | |
| 4169 | UINT64\r | |
| 4170 | EFIAPI\r | |
| 4171 | BitFieldOr64 (\r | |
| 4172 | IN UINT64 Operand,\r | |
| 4173 | IN UINTN StartBit,\r | |
| 4174 | IN UINTN EndBit,\r | |
| 4175 | IN UINT64 OrData\r | |
| 4176 | );\r | |
| 4177 | \r | |
| 4178 | \r | |
| 4179 | /**\r | |
| 4180 | Reads a bit field from a 64-bit value, performs a bitwise AND, and returns\r | |
| 4181 | the result.\r | |
| 4182 | \r | |
| 4183 | Performs a bitwise AND between the bit field specified by StartBit and EndBit\r | |
| 4184 | in Operand and the value specified by AndData. All other bits in Operand are\r | |
| 4185 | preserved. The new 64-bit value is returned.\r | |
| 4186 | \r | |
| 4187 | If 64-bit operations are not supported, then ASSERT().\r | |
| 4188 | If StartBit is greater than 63, then ASSERT().\r | |
| 4189 | If EndBit is greater than 63, then ASSERT().\r | |
| 4190 | If EndBit is less than StartBit, then ASSERT().\r | |
| 94952554 | 4191 | If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
| ac644614 | 4192 | \r |
| 4193 | @param Operand Operand on which to perform the bitfield operation.\r | |
| 4194 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 4195 | Range 0..63.\r | |
| 4196 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 4197 | Range 0..63.\r | |
| 4198 | @param AndData The value to AND with the read value from the value\r | |
| 4199 | \r | |
| 4200 | @return The new 64-bit value.\r | |
| 4201 | \r | |
| 4202 | **/\r | |
| 4203 | UINT64\r | |
| 4204 | EFIAPI\r | |
| 4205 | BitFieldAnd64 (\r | |
| 4206 | IN UINT64 Operand,\r | |
| 4207 | IN UINTN StartBit,\r | |
| 4208 | IN UINTN EndBit,\r | |
| 4209 | IN UINT64 AndData\r | |
| 4210 | );\r | |
| 4211 | \r | |
| 4212 | \r | |
| 4213 | /**\r | |
| 4214 | Reads a bit field from a 64-bit value, performs a bitwise AND followed by a\r | |
| 4215 | bitwise OR, and returns the result.\r | |
| 4216 | \r | |
| 4217 | Performs a bitwise AND between the bit field specified by StartBit and EndBit\r | |
| 9095d37b | 4218 | in Operand and the value specified by AndData, followed by a bitwise\r |
| 62991af2 | 4219 | OR with value specified by OrData. All other bits in Operand are\r |
| ac644614 | 4220 | preserved. The new 64-bit value is returned.\r |
| 4221 | \r | |
| 4222 | If 64-bit operations are not supported, then ASSERT().\r | |
| 4223 | If StartBit is greater than 63, then ASSERT().\r | |
| 4224 | If EndBit is greater than 63, then ASSERT().\r | |
| 4225 | If EndBit is less than StartBit, then ASSERT().\r | |
| 94952554 LG |
4226 | If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
| 4227 | If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r | |
| ac644614 | 4228 | \r |
| 4229 | @param Operand Operand on which to perform the bitfield operation.\r | |
| 4230 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 4231 | Range 0..63.\r | |
| 4232 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 4233 | Range 0..63.\r | |
| 4234 | @param AndData The value to AND with the read value from the value.\r | |
| 4235 | @param OrData The value to OR with the result of the AND operation.\r | |
| 4236 | \r | |
| 4237 | @return The new 64-bit value.\r | |
| 4238 | \r | |
| 4239 | **/\r | |
| 4240 | UINT64\r | |
| 4241 | EFIAPI\r | |
| 4242 | BitFieldAndThenOr64 (\r | |
| 4243 | IN UINT64 Operand,\r | |
| 4244 | IN UINTN StartBit,\r | |
| 4245 | IN UINTN EndBit,\r | |
| 4246 | IN UINT64 AndData,\r | |
| 4247 | IN UINT64 OrData\r | |
| 4248 | );\r | |
| 4249 | \r | |
| d7634dc0 TP |
4250 | /**\r |
| 4251 | Reads a bit field from a 32-bit value, counts and returns\r | |
| 4252 | the number of set bits.\r | |
| 4253 | \r | |
| 4254 | Counts the number of set bits in the bit field specified by\r | |
| 4255 | StartBit and EndBit in Operand. The count is returned.\r | |
| 4256 | \r | |
| 4257 | If StartBit is greater than 31, then ASSERT().\r | |
| 4258 | If EndBit is greater than 31, then ASSERT().\r | |
| 4259 | If EndBit is less than StartBit, then ASSERT().\r | |
| 4260 | \r | |
| 4261 | @param Operand Operand on which to perform the bitfield operation.\r | |
| 4262 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 4263 | Range 0..31.\r | |
| 4264 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 4265 | Range 0..31.\r | |
| 4266 | \r | |
| 4267 | @return The number of bits set between StartBit and EndBit.\r | |
| 4268 | \r | |
| 4269 | **/\r | |
| 4270 | UINT8\r | |
| 4271 | EFIAPI\r | |
| 4272 | BitFieldCountOnes32 (\r | |
| 4273 | IN UINT32 Operand,\r | |
| 4274 | IN UINTN StartBit,\r | |
| 4275 | IN UINTN EndBit\r | |
| 4276 | );\r | |
| 4277 | \r | |
| 4278 | /**\r | |
| 4279 | Reads a bit field from a 64-bit value, counts and returns\r | |
| 4280 | the number of set bits.\r | |
| 4281 | \r | |
| 4282 | Counts the number of set bits in the bit field specified by\r | |
| 4283 | StartBit and EndBit in Operand. The count is returned.\r | |
| 4284 | \r | |
| 4285 | If StartBit is greater than 63, then ASSERT().\r | |
| 4286 | If EndBit is greater than 63, then ASSERT().\r | |
| 4287 | If EndBit is less than StartBit, then ASSERT().\r | |
| 4288 | \r | |
| 4289 | @param Operand Operand on which to perform the bitfield operation.\r | |
| 4290 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 4291 | Range 0..63.\r | |
| 4292 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 4293 | Range 0..63.\r | |
| 4294 | \r | |
| 4295 | @return The number of bits set between StartBit and EndBit.\r | |
| 4296 | \r | |
| 4297 | **/\r | |
| 4298 | UINT8\r | |
| 4299 | EFIAPI\r | |
| 4300 | BitFieldCountOnes64 (\r | |
| 4301 | IN UINT64 Operand,\r | |
| 4302 | IN UINTN StartBit,\r | |
| 4303 | IN UINTN EndBit\r | |
| 4304 | );\r | |
| 4305 | \r | |
| ac644614 | 4306 | //\r |
| 4307 | // Base Library Checksum Functions\r | |
| 4308 | //\r | |
| 4309 | \r | |
| 4310 | /**\r | |
| 17f695ed | 4311 | Returns the sum of all elements in a buffer in unit of UINT8.\r |
| ac644614 | 4312 | During calculation, the carry bits are dropped.\r |
| 4313 | \r | |
| 4314 | This function calculates the sum of all elements in a buffer\r | |
| 4315 | in unit of UINT8. The carry bits in result of addition are dropped.\r | |
| 4316 | The result is returned as UINT8. If Length is Zero, then Zero is\r | |
| 4317 | returned.\r | |
| 4318 | \r | |
| 4319 | If Buffer is NULL, then ASSERT().\r | |
| 4320 | If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r | |
| 4321 | \r | |
| af2dc6a7 | 4322 | @param Buffer The pointer to the buffer to carry out the sum operation.\r |
| 17f695ed | 4323 | @param Length The size, in bytes, of Buffer.\r |
| ac644614 | 4324 | \r |
| 4325 | @return Sum The sum of Buffer with carry bits dropped during additions.\r | |
| 4326 | \r | |
| 4327 | **/\r | |
| 4328 | UINT8\r | |
| 4329 | EFIAPI\r | |
| 4330 | CalculateSum8 (\r | |
| ee6c452c | 4331 | IN CONST UINT8 *Buffer,\r |
| 4332 | IN UINTN Length\r | |
| ac644614 | 4333 | );\r |
| 4334 | \r | |
| 4335 | \r | |
| 4336 | /**\r | |
| 4337 | Returns the two's complement checksum of all elements in a buffer\r | |
| 4338 | of 8-bit values.\r | |
| 4339 | \r | |
| 4340 | This function first calculates the sum of the 8-bit values in the\r | |
| 4341 | buffer specified by Buffer and Length. The carry bits in the result\r | |
| 4342 | of addition are dropped. Then, the two's complement of the sum is\r | |
| 4343 | returned. If Length is 0, then 0 is returned.\r | |
| 4344 | \r | |
| 4345 | If Buffer is NULL, then ASSERT().\r | |
| 4346 | If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r | |
| 4347 | \r | |
| af2dc6a7 | 4348 | @param Buffer The pointer to the buffer to carry out the checksum operation.\r |
| 1106ffe1 | 4349 | @param Length The size, in bytes, of Buffer.\r |
| ac644614 | 4350 | \r |
| af2dc6a7 | 4351 | @return Checksum The two's complement checksum of Buffer.\r |
| ac644614 | 4352 | \r |
| 4353 | **/\r | |
| 4354 | UINT8\r | |
| 4355 | EFIAPI\r | |
| 4356 | CalculateCheckSum8 (\r | |
| ee6c452c | 4357 | IN CONST UINT8 *Buffer,\r |
| 4358 | IN UINTN Length\r | |
| ac644614 | 4359 | );\r |
| 4360 | \r | |
| 4361 | \r | |
| 4362 | /**\r | |
| 4363 | Returns the sum of all elements in a buffer of 16-bit values. During\r | |
| 4364 | calculation, the carry bits are dropped.\r | |
| 4365 | \r | |
| 4366 | This function calculates the sum of the 16-bit values in the buffer\r | |
| 4367 | specified by Buffer and Length. The carry bits in result of addition are dropped.\r | |
| 4368 | The 16-bit result is returned. If Length is 0, then 0 is returned.\r | |
| 4369 | \r | |
| 4370 | If Buffer is NULL, then ASSERT().\r | |
| 4371 | If Buffer is not aligned on a 16-bit boundary, then ASSERT().\r | |
| 4372 | If Length is not aligned on a 16-bit boundary, then ASSERT().\r | |
| 4373 | If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r | |
| 4374 | \r | |
| af2dc6a7 | 4375 | @param Buffer The pointer to the buffer to carry out the sum operation.\r |
| 1106ffe1 | 4376 | @param Length The size, in bytes, of Buffer.\r |
| ac644614 | 4377 | \r |
| 4378 | @return Sum The sum of Buffer with carry bits dropped during additions.\r | |
| 4379 | \r | |
| 4380 | **/\r | |
| 4381 | UINT16\r | |
| 4382 | EFIAPI\r | |
| 4383 | CalculateSum16 (\r | |
| ee6c452c | 4384 | IN CONST UINT16 *Buffer,\r |
| 4385 | IN UINTN Length\r | |
| ac644614 | 4386 | );\r |
| 4387 | \r | |
| 4388 | \r | |
| 4389 | /**\r | |
| 4390 | Returns the two's complement checksum of all elements in a buffer of\r | |
| 4391 | 16-bit values.\r | |
| 4392 | \r | |
| 4393 | This function first calculates the sum of the 16-bit values in the buffer\r | |
| 4394 | specified by Buffer and Length. The carry bits in the result of addition\r | |
| 4395 | are dropped. Then, the two's complement of the sum is returned. If Length\r | |
| 4396 | is 0, then 0 is returned.\r | |
| 4397 | \r | |
| 4398 | If Buffer is NULL, then ASSERT().\r | |
| 4399 | If Buffer is not aligned on a 16-bit boundary, then ASSERT().\r | |
| 4400 | If Length is not aligned on a 16-bit boundary, then ASSERT().\r | |
| 4401 | If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r | |
| 4402 | \r | |
| af2dc6a7 | 4403 | @param Buffer The pointer to the buffer to carry out the checksum operation.\r |
| 1106ffe1 | 4404 | @param Length The size, in bytes, of Buffer.\r |
| ac644614 | 4405 | \r |
| af2dc6a7 | 4406 | @return Checksum The two's complement checksum of Buffer.\r |
| ac644614 | 4407 | \r |
| 4408 | **/\r | |
| 4409 | UINT16\r | |
| 4410 | EFIAPI\r | |
| 4411 | CalculateCheckSum16 (\r | |
| ee6c452c | 4412 | IN CONST UINT16 *Buffer,\r |
| 4413 | IN UINTN Length\r | |
| ac644614 | 4414 | );\r |
| 4415 | \r | |
| 4416 | \r | |
| 4417 | /**\r | |
| 17f695ed | 4418 | Returns the sum of all elements in a buffer of 32-bit values. During\r |
| ac644614 | 4419 | calculation, the carry bits are dropped.\r |
| 4420 | \r | |
| 4421 | This function calculates the sum of the 32-bit values in the buffer\r | |
| 4422 | specified by Buffer and Length. The carry bits in result of addition are dropped.\r | |
| 17f695ed | 4423 | The 32-bit result is returned. If Length is 0, then 0 is returned.\r |
| ac644614 | 4424 | \r |
| 4425 | If Buffer is NULL, then ASSERT().\r | |
| 4426 | If Buffer is not aligned on a 32-bit boundary, then ASSERT().\r | |
| 4427 | If Length is not aligned on a 32-bit boundary, then ASSERT().\r | |
| 4428 | If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r | |
| 4429 | \r | |
| af2dc6a7 | 4430 | @param Buffer The pointer to the buffer to carry out the sum operation.\r |
| 1106ffe1 | 4431 | @param Length The size, in bytes, of Buffer.\r |
| ac644614 | 4432 | \r |
| 4433 | @return Sum The sum of Buffer with carry bits dropped during additions.\r | |
| 4434 | \r | |
| 4435 | **/\r | |
| 4436 | UINT32\r | |
| 4437 | EFIAPI\r | |
| 4438 | CalculateSum32 (\r | |
| ee6c452c | 4439 | IN CONST UINT32 *Buffer,\r |
| 4440 | IN UINTN Length\r | |
| ac644614 | 4441 | );\r |
| 4442 | \r | |
| 4443 | \r | |
| 4444 | /**\r | |
| 4445 | Returns the two's complement checksum of all elements in a buffer of\r | |
| 4446 | 32-bit values.\r | |
| 4447 | \r | |
| 4448 | This function first calculates the sum of the 32-bit values in the buffer\r | |
| 4449 | specified by Buffer and Length. The carry bits in the result of addition\r | |
| 4450 | are dropped. Then, the two's complement of the sum is returned. If Length\r | |
| 4451 | is 0, then 0 is returned.\r | |
| 4452 | \r | |
| 4453 | If Buffer is NULL, then ASSERT().\r | |
| 4454 | If Buffer is not aligned on a 32-bit boundary, then ASSERT().\r | |
| 4455 | If Length is not aligned on a 32-bit boundary, then ASSERT().\r | |
| 4456 | If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r | |
| 4457 | \r | |
| af2dc6a7 | 4458 | @param Buffer The pointer to the buffer to carry out the checksum operation.\r |
| 1106ffe1 | 4459 | @param Length The size, in bytes, of Buffer.\r |
| ac644614 | 4460 | \r |
| af2dc6a7 | 4461 | @return Checksum The two's complement checksum of Buffer.\r |
| ac644614 | 4462 | \r |
| 4463 | **/\r | |
| 4464 | UINT32\r | |
| 4465 | EFIAPI\r | |
| 4466 | CalculateCheckSum32 (\r | |
| ee6c452c | 4467 | IN CONST UINT32 *Buffer,\r |
| 4468 | IN UINTN Length\r | |
| ac644614 | 4469 | );\r |
| 4470 | \r | |
| 4471 | \r | |
| 4472 | /**\r | |
| 4473 | Returns the sum of all elements in a buffer of 64-bit values. During\r | |
| 4474 | calculation, the carry bits are dropped.\r | |
| 4475 | \r | |
| 4476 | This function calculates the sum of the 64-bit values in the buffer\r | |
| 4477 | specified by Buffer and Length. The carry bits in result of addition are dropped.\r | |
| 4478 | The 64-bit result is returned. If Length is 0, then 0 is returned.\r | |
| 4479 | \r | |
| 4480 | If Buffer is NULL, then ASSERT().\r | |
| 4481 | If Buffer is not aligned on a 64-bit boundary, then ASSERT().\r | |
| 4482 | If Length is not aligned on a 64-bit boundary, then ASSERT().\r | |
| 4483 | If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r | |
| 4484 | \r | |
| af2dc6a7 | 4485 | @param Buffer The pointer to the buffer to carry out the sum operation.\r |
| 1106ffe1 | 4486 | @param Length The size, in bytes, of Buffer.\r |
| ac644614 | 4487 | \r |
| 4488 | @return Sum The sum of Buffer with carry bits dropped during additions.\r | |
| 4489 | \r | |
| 4490 | **/\r | |
| 4491 | UINT64\r | |
| 4492 | EFIAPI\r | |
| 4493 | CalculateSum64 (\r | |
| ee6c452c | 4494 | IN CONST UINT64 *Buffer,\r |
| 4495 | IN UINTN Length\r | |
| ac644614 | 4496 | );\r |
| 4497 | \r | |
| 4498 | \r | |
| 4499 | /**\r | |
| 4500 | Returns the two's complement checksum of all elements in a buffer of\r | |
| 4501 | 64-bit values.\r | |
| 4502 | \r | |
| 4503 | This function first calculates the sum of the 64-bit values in the buffer\r | |
| 4504 | specified by Buffer and Length. The carry bits in the result of addition\r | |
| 4505 | are dropped. Then, the two's complement of the sum is returned. If Length\r | |
| 4506 | is 0, then 0 is returned.\r | |
| 4507 | \r | |
| 4508 | If Buffer is NULL, then ASSERT().\r | |
| 4509 | If Buffer is not aligned on a 64-bit boundary, then ASSERT().\r | |
| 4510 | If Length is not aligned on a 64-bit boundary, then ASSERT().\r | |
| 4511 | If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r | |
| 4512 | \r | |
| af2dc6a7 | 4513 | @param Buffer The pointer to the buffer to carry out the checksum operation.\r |
| 1106ffe1 | 4514 | @param Length The size, in bytes, of Buffer.\r |
| ac644614 | 4515 | \r |
| af2dc6a7 | 4516 | @return Checksum The two's complement checksum of Buffer.\r |
| ac644614 | 4517 | \r |
| 4518 | **/\r | |
| 4519 | UINT64\r | |
| 4520 | EFIAPI\r | |
| 4521 | CalculateCheckSum64 (\r | |
| ee6c452c | 4522 | IN CONST UINT64 *Buffer,\r |
| 4523 | IN UINTN Length\r | |
| ac644614 | 4524 | );\r |
| 4525 | \r | |
| 0a8e6f79 LG |
4526 | /**\r |
| 4527 | Computes and returns a 32-bit CRC for a data buffer.\r | |
| 4528 | CRC32 value bases on ITU-T V.42.\r | |
| 4529 | \r | |
| 4530 | If Buffer is NULL, then ASSERT().\r | |
| 4531 | If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r | |
| 4532 | \r | |
| 4533 | @param[in] Buffer A pointer to the buffer on which the 32-bit CRC is to be computed.\r | |
| 4534 | @param[in] Length The number of bytes in the buffer Data.\r | |
| 4535 | \r | |
| 4536 | @retval Crc32 The 32-bit CRC was computed for the data buffer.\r | |
| 4537 | \r | |
| 4538 | **/\r | |
| 4539 | UINT32\r | |
| 4540 | EFIAPI\r | |
| 4541 | CalculateCrc32(\r | |
| 4542 | IN VOID *Buffer,\r | |
| 4543 | IN UINTN Length\r | |
| 4544 | );\r | |
| ac644614 | 4545 | \r |
| d75f9fc2 | 4546 | //\r |
| 4547 | // Base Library CPU Functions\r | |
| 4548 | //\r | |
| 4549 | \r | |
| 4550 | /**\r | |
| 4551 | Function entry point used when a stack switch is requested with SwitchStack()\r | |
| 4552 | \r | |
| 4553 | @param Context1 Context1 parameter passed into SwitchStack().\r | |
| 4554 | @param Context2 Context2 parameter passed into SwitchStack().\r | |
| 4555 | \r | |
| 4556 | **/\r | |
| ac644614 | 4557 | typedef\r |
| 4558 | VOID\r | |
| 9810cdd8 | 4559 | (EFIAPI *SWITCH_STACK_ENTRY_POINT)(\r |
| ac644614 | 4560 | IN VOID *Context1, OPTIONAL\r |
| 4561 | IN VOID *Context2 OPTIONAL\r | |
| 4562 | );\r | |
| 4563 | \r | |
| 4564 | \r | |
| 4565 | /**\r | |
| 4566 | Used to serialize load and store operations.\r | |
| 4567 | \r | |
| 4568 | All loads and stores that proceed calls to this function are guaranteed to be\r | |
| 4569 | globally visible when this function returns.\r | |
| 4570 | \r | |
| 4571 | **/\r | |
| 4572 | VOID\r | |
| 4573 | EFIAPI\r | |
| 4574 | MemoryFence (\r | |
| 4575 | VOID\r | |
| 4576 | );\r | |
| 4577 | \r | |
| 4578 | \r | |
| 4579 | /**\r | |
| 4580 | Saves the current CPU context that can be restored with a call to LongJump()\r | |
| 4581 | and returns 0.\r | |
| 4582 | \r | |
| 4583 | Saves the current CPU context in the buffer specified by JumpBuffer and\r | |
| 4584 | returns 0. The initial call to SetJump() must always return 0. Subsequent\r | |
| 4585 | calls to LongJump() cause a non-zero value to be returned by SetJump().\r | |
| 4586 | \r | |
| 4587 | If JumpBuffer is NULL, then ASSERT().\r | |
| 1a2f870c | 4588 | For Itanium processors, if JumpBuffer is not aligned on a 16-byte boundary, then ASSERT().\r |
| 9095d37b | 4589 | \r |
| 17f695ed | 4590 | NOTE: The structure BASE_LIBRARY_JUMP_BUFFER is CPU architecture specific.\r |
| 4591 | The same structure must never be used for more than one CPU architecture context.\r | |
| 9095d37b LG |
4592 | For example, a BASE_LIBRARY_JUMP_BUFFER allocated by an IA-32 module must never be used from an x64 module.\r |
| 4593 | SetJump()/LongJump() is not currently supported for the EBC processor type.\r | |
| ac644614 | 4594 | \r |
| 4595 | @param JumpBuffer A pointer to CPU context buffer.\r | |
| 4596 | \r | |
| 4597 | @retval 0 Indicates a return from SetJump().\r | |
| 4598 | \r | |
| 4599 | **/\r | |
| 2117989c | 4600 | RETURNS_TWICE\r |
| ac644614 | 4601 | UINTN\r |
| 4602 | EFIAPI\r | |
| 4603 | SetJump (\r | |
| 4604 | OUT BASE_LIBRARY_JUMP_BUFFER *JumpBuffer\r | |
| 4605 | );\r | |
| 4606 | \r | |
| 4607 | \r | |
| 4608 | /**\r | |
| 4609 | Restores the CPU context that was saved with SetJump().\r | |
| 4610 | \r | |
| 4611 | Restores the CPU context from the buffer specified by JumpBuffer. This\r | |
| 4612 | function never returns to the caller. Instead is resumes execution based on\r | |
| 4613 | the state of JumpBuffer.\r | |
| 4614 | \r | |
| 4615 | If JumpBuffer is NULL, then ASSERT().\r | |
| 1a2f870c | 4616 | For Itanium processors, if JumpBuffer is not aligned on a 16-byte boundary, then ASSERT().\r |
| ac644614 | 4617 | If Value is 0, then ASSERT().\r |
| 4618 | \r | |
| 4619 | @param JumpBuffer A pointer to CPU context buffer.\r | |
| 4620 | @param Value The value to return when the SetJump() context is\r | |
| 4621 | restored and must be non-zero.\r | |
| 4622 | \r | |
| 4623 | **/\r | |
| 4624 | VOID\r | |
| 4625 | EFIAPI\r | |
| 4626 | LongJump (\r | |
| 4627 | IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer,\r | |
| 4628 | IN UINTN Value\r | |
| 4629 | );\r | |
| 4630 | \r | |
| 4631 | \r | |
| 4632 | /**\r | |
| 4633 | Enables CPU interrupts.\r | |
| 4634 | \r | |
| ac644614 | 4635 | **/\r |
| 4636 | VOID\r | |
| 4637 | EFIAPI\r | |
| 4638 | EnableInterrupts (\r | |
| 4639 | VOID\r | |
| 4640 | );\r | |
| 4641 | \r | |
| 4642 | \r | |
| 4643 | /**\r | |
| 4644 | Disables CPU interrupts.\r | |
| 4645 | \r | |
| ac644614 | 4646 | **/\r |
| 4647 | VOID\r | |
| 4648 | EFIAPI\r | |
| 4649 | DisableInterrupts (\r | |
| 4650 | VOID\r | |
| 4651 | );\r | |
| 4652 | \r | |
| 4653 | \r | |
| 4654 | /**\r | |
| 4655 | Disables CPU interrupts and returns the interrupt state prior to the disable\r | |
| 4656 | operation.\r | |
| 4657 | \r | |
| ac644614 | 4658 | @retval TRUE CPU interrupts were enabled on entry to this call.\r |
| 4659 | @retval FALSE CPU interrupts were disabled on entry to this call.\r | |
| 4660 | \r | |
| 4661 | **/\r | |
| 4662 | BOOLEAN\r | |
| 4663 | EFIAPI\r | |
| 4664 | SaveAndDisableInterrupts (\r | |
| 4665 | VOID\r | |
| 4666 | );\r | |
| 4667 | \r | |
| 4668 | \r | |
| 4669 | /**\r | |
| 4670 | Enables CPU interrupts for the smallest window required to capture any\r | |
| 4671 | pending interrupts.\r | |
| 4672 | \r | |
| ac644614 | 4673 | **/\r |
| 4674 | VOID\r | |
| 4675 | EFIAPI\r | |
| 4676 | EnableDisableInterrupts (\r | |
| 4677 | VOID\r | |
| 4678 | );\r | |
| 4679 | \r | |
| 4680 | \r | |
| 4681 | /**\r | |
| 4682 | Retrieves the current CPU interrupt state.\r | |
| 4683 | \r | |
| af2dc6a7 | 4684 | Returns TRUE if interrupts are currently enabled. Otherwise\r |
| 38bbd3d9 | 4685 | returns FALSE.\r |
| ac644614 | 4686 | \r |
| 4687 | @retval TRUE CPU interrupts are enabled.\r | |
| 4688 | @retval FALSE CPU interrupts are disabled.\r | |
| 4689 | \r | |
| 4690 | **/\r | |
| 4691 | BOOLEAN\r | |
| 4692 | EFIAPI\r | |
| 4693 | GetInterruptState (\r | |
| 4694 | VOID\r | |
| 4695 | );\r | |
| 4696 | \r | |
| 4697 | \r | |
| 4698 | /**\r | |
| 4699 | Set the current CPU interrupt state.\r | |
| 4700 | \r | |
| 4701 | Sets the current CPU interrupt state to the state specified by\r | |
| 4702 | InterruptState. If InterruptState is TRUE, then interrupts are enabled. If\r | |
| 4703 | InterruptState is FALSE, then interrupts are disabled. InterruptState is\r | |
| 4704 | returned.\r | |
| 4705 | \r | |
| 4706 | @param InterruptState TRUE if interrupts should enabled. FALSE if\r | |
| 4707 | interrupts should be disabled.\r | |
| 4708 | \r | |
| 4709 | @return InterruptState\r | |
| 4710 | \r | |
| 4711 | **/\r | |
| 4712 | BOOLEAN\r | |
| 4713 | EFIAPI\r | |
| 4714 | SetInterruptState (\r | |
| 4715 | IN BOOLEAN InterruptState\r | |
| 4716 | );\r | |
| 4717 | \r | |
| 4718 | \r | |
| 4719 | /**\r | |
| 4720 | Requests CPU to pause for a short period of time.\r | |
| 4721 | \r | |
| 4722 | Requests CPU to pause for a short period of time. Typically used in MP\r | |
| 4723 | systems to prevent memory starvation while waiting for a spin lock.\r | |
| 4724 | \r | |
| 4725 | **/\r | |
| 4726 | VOID\r | |
| 4727 | EFIAPI\r | |
| 4728 | CpuPause (\r | |
| 4729 | VOID\r | |
| 4730 | );\r | |
| 4731 | \r | |
| 4732 | \r | |
| 4733 | /**\r | |
| 4734 | Transfers control to a function starting with a new stack.\r | |
| 4735 | \r | |
| 4736 | Transfers control to the function specified by EntryPoint using the\r | |
| 4737 | new stack specified by NewStack and passing in the parameters specified\r | |
| 4738 | by Context1 and Context2. Context1 and Context2 are optional and may\r | |
| 4739 | be NULL. The function EntryPoint must never return. This function\r | |
| 4740 | supports a variable number of arguments following the NewStack parameter.\r | |
| 1a2f870c | 4741 | These additional arguments are ignored on IA-32, x64, and EBC architectures.\r |
| 4742 | Itanium processors expect one additional parameter of type VOID * that specifies\r | |
| ac644614 | 4743 | the new backing store pointer.\r |
| 4744 | \r | |
| 4745 | If EntryPoint is NULL, then ASSERT().\r | |
| 4746 | If NewStack is NULL, then ASSERT().\r | |
| 4747 | \r | |
| 4748 | @param EntryPoint A pointer to function to call with the new stack.\r | |
| 4749 | @param Context1 A pointer to the context to pass into the EntryPoint\r | |
| 4750 | function.\r | |
| 4751 | @param Context2 A pointer to the context to pass into the EntryPoint\r | |
| 4752 | function.\r | |
| 4753 | @param NewStack A pointer to the new stack to use for the EntryPoint\r | |
| 4754 | function.\r | |
| 9095d37b LG |
4755 | @param ... This variable argument list is ignored for IA-32, x64, and\r |
| 4756 | EBC architectures. For Itanium processors, this variable\r | |
| 4757 | argument list is expected to contain a single parameter of\r | |
| af2dc6a7 | 4758 | type VOID * that specifies the new backing store pointer.\r |
| 42eedea9 | 4759 | \r |
| ac644614 | 4760 | \r |
| 4761 | **/\r | |
| 4762 | VOID\r | |
| 4763 | EFIAPI\r | |
| 4764 | SwitchStack (\r | |
| 4765 | IN SWITCH_STACK_ENTRY_POINT EntryPoint,\r | |
| 4766 | IN VOID *Context1, OPTIONAL\r | |
| 4767 | IN VOID *Context2, OPTIONAL\r | |
| 4768 | IN VOID *NewStack,\r | |
| 4769 | ...\r | |
| 4770 | );\r | |
| 4771 | \r | |
| 4772 | \r | |
| 4773 | /**\r | |
| 4774 | Generates a breakpoint on the CPU.\r | |
| 4775 | \r | |
| 4776 | Generates a breakpoint on the CPU. The breakpoint must be implemented such\r | |
| 4777 | that code can resume normal execution after the breakpoint.\r | |
| 4778 | \r | |
| 4779 | **/\r | |
| 4780 | VOID\r | |
| 4781 | EFIAPI\r | |
| 4782 | CpuBreakpoint (\r | |
| 4783 | VOID\r | |
| 4784 | );\r | |
| 4785 | \r | |
| 4786 | \r | |
| 4787 | /**\r | |
| 4788 | Executes an infinite loop.\r | |
| 4789 | \r | |
| 4790 | Forces the CPU to execute an infinite loop. A debugger may be used to skip\r | |
| 4791 | past the loop and the code that follows the loop must execute properly. This\r | |
| 4792 | implies that the infinite loop must not cause the code that follow it to be\r | |
| 4793 | optimized away.\r | |
| 4794 | \r | |
| 4795 | **/\r | |
| 4796 | VOID\r | |
| 4797 | EFIAPI\r | |
| 4798 | CpuDeadLoop (\r | |
| 4799 | VOID\r | |
| 4800 | );\r | |
| 9095d37b | 4801 | \r |
| d9f1cac5 HW |
4802 | \r |
| 4803 | /**\r | |
| 4804 | Uses as a barrier to stop speculative execution.\r | |
| 4805 | \r | |
| 4806 | Ensures that no later instruction will execute speculatively, until all prior\r | |
| 4807 | instructions have completed.\r | |
| 4808 | \r | |
| 4809 | **/\r | |
| 4810 | VOID\r | |
| 4811 | EFIAPI\r | |
| 4812 | SpeculationBarrier (\r | |
| 4813 | VOID\r | |
| 4814 | );\r | |
| 4815 | \r | |
| 5a7cbd54 BS |
4816 | #if defined (MDE_CPU_X64)\r |
| 4817 | //\r | |
| 4818 | // The page size for the PVALIDATE instruction\r | |
| 4819 | //\r | |
| 4820 | typedef enum {\r | |
| 4821 | PvalidatePageSize4K = 0,\r | |
| 4822 | PvalidatePageSize2MB,\r | |
| 4823 | } PVALIDATE_PAGE_SIZE;\r | |
| 4824 | \r | |
| 4825 | //\r | |
| 4826 | // PVALIDATE Return Code.\r | |
| 4827 | //\r | |
| 4828 | #define PVALIDATE_RET_SUCCESS 0\r | |
| 4829 | #define PVALIDATE_RET_FAIL_INPUT 1\r | |
| 4830 | #define PVALIDATE_RET_SIZE_MISMATCH 6\r | |
| 4831 | \r | |
| 4832 | //\r | |
| 4833 | // The PVALIDATE instruction did not make any changes to the RMP entry.\r | |
| 4834 | //\r | |
| 4835 | #define PVALIDATE_RET_NO_RMPUPDATE 255\r | |
| 4836 | \r | |
| 4837 | /**\r | |
| 4838 | Execute a PVALIDATE instruction to validate or to rescinds validation of a guest\r | |
| 4839 | page's RMP entry.\r | |
| 4840 | \r | |
| 4841 | The instruction is available only when CPUID Fn8000_001F_EAX[SNP]=1.\r | |
| 4842 | \r | |
| 4843 | The function is available on X64.\r | |
| 4844 | \r | |
| 4845 | @param[in] PageSize The page size to use.\r | |
| 4846 | @param[in] Validate If TRUE, validate the guest virtual address\r | |
| 4847 | otherwise invalidate the guest virtual address.\r | |
| 4848 | @param[in] Address The guest virtual address.\r | |
| 4849 | \r | |
| 4850 | @retval PVALIDATE_RET_SUCCESS The PVALIDATE instruction succeeded, and\r | |
| 4851 | updated the RMP entry.\r | |
| 4852 | @retval PVALIDATE_RET_NO_RMPUPDATE The PVALIDATE instruction succeeded, but\r | |
| 4853 | did not update the RMP entry.\r | |
| 4854 | @return Failure code from the PVALIDATE\r | |
| 4855 | instruction.\r | |
| 4856 | **/\r | |
| 4857 | UINT32\r | |
| 4858 | EFIAPI\r | |
| 4859 | AsmPvalidate (\r | |
| 4860 | IN PVALIDATE_PAGE_SIZE PageSize,\r | |
| 4861 | IN BOOLEAN Validate,\r | |
| 4862 | IN PHYSICAL_ADDRESS Address\r | |
| 4863 | );\r | |
| 2b5b2ff0 TL |
4864 | \r |
| 4865 | //\r | |
| 4866 | // RDX settings for RMPADJUST\r | |
| 4867 | //\r | |
| 4868 | #define RMPADJUST_VMPL_MAX 3\r | |
| 4869 | #define RMPADJUST_VMPL_MASK 0xFF\r | |
| 4870 | #define RMPADJUST_VMPL_SHIFT 0\r | |
| 4871 | #define RMPADJUST_PERMISSION_MASK_MASK 0xFF\r | |
| 4872 | #define RMPADJUST_PERMISSION_MASK_SHIFT 8\r | |
| 4873 | #define RMPADJUST_VMSA_PAGE_BIT BIT16\r | |
| 4874 | \r | |
| 4875 | /**\r | |
| 4876 | Adjusts the permissions of an SEV-SNP guest page.\r | |
| 4877 | \r | |
| 4878 | Executes a RMPADJUST instruction with the register state specified by Rax,\r | |
| 4879 | Rcx, and Rdx. Returns Eax. This function is only available on X64.\r | |
| 4880 | \r | |
| 4881 | The instruction is available only when CPUID Fn8000_001F_EAX[SNP]=1.\r | |
| 4882 | \r | |
| 4883 | @param[in] Rax The value to load into RAX before executing the RMPADJUST\r | |
| 4884 | instruction.\r | |
| 4885 | @param[in] Rcx The value to load into RCX before executing the RMPADJUST\r | |
| 4886 | instruction.\r | |
| 4887 | @param[in] Rdx The value to load into RDX before executing the RMPADJUST\r | |
| 4888 | instruction.\r | |
| 4889 | \r | |
| 4890 | @return Eax\r | |
| 4891 | **/\r | |
| 4892 | UINT32\r | |
| 4893 | EFIAPI\r | |
| 4894 | AsmRmpAdjust (\r | |
| 4895 | IN UINT64 Rax,\r | |
| 4896 | IN UINT64 Rcx,\r | |
| 4897 | IN UINT64 Rdx\r | |
| 4898 | );\r | |
| 5a7cbd54 BS |
4899 | #endif\r |
| 4900 | \r | |
| d9f1cac5 | 4901 | \r |
| fd163050 | 4902 | #if defined (MDE_CPU_IA32) || defined (MDE_CPU_X64)\r |
| 1106ffe1 | 4903 | ///\r |
| af2dc6a7 | 4904 | /// IA32 and x64 Specific Functions.\r |
| 4905 | /// Byte packed structure for 16-bit Real Mode EFLAGS.\r | |
| 1106ffe1 | 4906 | ///\r |
| ac644614 | 4907 | typedef union {\r |
| 4908 | struct {\r | |
| af2dc6a7 | 4909 | UINT32 CF:1; ///< Carry Flag.\r |
| 4910 | UINT32 Reserved_0:1; ///< Reserved.\r | |
| 4911 | UINT32 PF:1; ///< Parity Flag.\r | |
| 4912 | UINT32 Reserved_1:1; ///< Reserved.\r | |
| 4913 | UINT32 AF:1; ///< Auxiliary Carry Flag.\r | |
| 4914 | UINT32 Reserved_2:1; ///< Reserved.\r | |
| 4915 | UINT32 ZF:1; ///< Zero Flag.\r | |
| 4916 | UINT32 SF:1; ///< Sign Flag.\r | |
| 4917 | UINT32 TF:1; ///< Trap Flag.\r | |
| 4918 | UINT32 IF:1; ///< Interrupt Enable Flag.\r | |
| 4919 | UINT32 DF:1; ///< Direction Flag.\r | |
| 4920 | UINT32 OF:1; ///< Overflow Flag.\r | |
| 4921 | UINT32 IOPL:2; ///< I/O Privilege Level.\r | |
| 4922 | UINT32 NT:1; ///< Nested Task.\r | |
| 4923 | UINT32 Reserved_3:1; ///< Reserved.\r | |
| ac644614 | 4924 | } Bits;\r |
| 4925 | UINT16 Uint16;\r | |
| 4926 | } IA32_FLAGS16;\r | |
| 4927 | \r | |
| 1106ffe1 | 4928 | ///\r |
| af2dc6a7 | 4929 | /// Byte packed structure for EFLAGS/RFLAGS.\r |
| 4930 | /// 32-bits on IA-32.\r | |
| 4931 | /// 64-bits on x64. The upper 32-bits on x64 are reserved.\r | |
| 1106ffe1 | 4932 | ///\r |
| ac644614 | 4933 | typedef union {\r |
| 4934 | struct {\r | |
| af2dc6a7 | 4935 | UINT32 CF:1; ///< Carry Flag.\r |
| 4936 | UINT32 Reserved_0:1; ///< Reserved.\r | |
| 4937 | UINT32 PF:1; ///< Parity Flag.\r | |
| 4938 | UINT32 Reserved_1:1; ///< Reserved.\r | |
| 4939 | UINT32 AF:1; ///< Auxiliary Carry Flag.\r | |
| 4940 | UINT32 Reserved_2:1; ///< Reserved.\r | |
| 4941 | UINT32 ZF:1; ///< Zero Flag.\r | |
| 4942 | UINT32 SF:1; ///< Sign Flag.\r | |
| 4943 | UINT32 TF:1; ///< Trap Flag.\r | |
| 4944 | UINT32 IF:1; ///< Interrupt Enable Flag.\r | |
| 4945 | UINT32 DF:1; ///< Direction Flag.\r | |
| 4946 | UINT32 OF:1; ///< Overflow Flag.\r | |
| 4947 | UINT32 IOPL:2; ///< I/O Privilege Level.\r | |
| 4948 | UINT32 NT:1; ///< Nested Task.\r | |
| 4949 | UINT32 Reserved_3:1; ///< Reserved.\r | |
| 4950 | UINT32 RF:1; ///< Resume Flag.\r | |
| 4951 | UINT32 VM:1; ///< Virtual 8086 Mode.\r | |
| 4952 | UINT32 AC:1; ///< Alignment Check.\r | |
| 4953 | UINT32 VIF:1; ///< Virtual Interrupt Flag.\r | |
| 4954 | UINT32 VIP:1; ///< Virtual Interrupt Pending.\r | |
| 4955 | UINT32 ID:1; ///< ID Flag.\r | |
| 4956 | UINT32 Reserved_4:10; ///< Reserved.\r | |
| ac644614 | 4957 | } Bits;\r |
| 4958 | UINTN UintN;\r | |
| 4959 | } IA32_EFLAGS32;\r | |
| 4960 | \r | |
| 1106ffe1 | 4961 | ///\r |
| af2dc6a7 | 4962 | /// Byte packed structure for Control Register 0 (CR0).\r |
| 4963 | /// 32-bits on IA-32.\r | |
| 4964 | /// 64-bits on x64. The upper 32-bits on x64 are reserved.\r | |
| 1106ffe1 | 4965 | ///\r |
| ac644614 | 4966 | typedef union {\r |
| 4967 | struct {\r | |
| af2dc6a7 | 4968 | UINT32 PE:1; ///< Protection Enable.\r |
| 4969 | UINT32 MP:1; ///< Monitor Coprocessor.\r | |
| 4970 | UINT32 EM:1; ///< Emulation.\r | |
| 4971 | UINT32 TS:1; ///< Task Switched.\r | |
| 4972 | UINT32 ET:1; ///< Extension Type.\r | |
| 4973 | UINT32 NE:1; ///< Numeric Error.\r | |
| 4974 | UINT32 Reserved_0:10; ///< Reserved.\r | |
| 4975 | UINT32 WP:1; ///< Write Protect.\r | |
| 4976 | UINT32 Reserved_1:1; ///< Reserved.\r | |
| 4977 | UINT32 AM:1; ///< Alignment Mask.\r | |
| 4978 | UINT32 Reserved_2:10; ///< Reserved.\r | |
| 4979 | UINT32 NW:1; ///< Mot Write-through.\r | |
| 4980 | UINT32 CD:1; ///< Cache Disable.\r | |
| 4981 | UINT32 PG:1; ///< Paging.\r | |
| ac644614 | 4982 | } Bits;\r |
| 4983 | UINTN UintN;\r | |
| 4984 | } IA32_CR0;\r | |
| 4985 | \r | |
| 1106ffe1 | 4986 | ///\r |
| af2dc6a7 | 4987 | /// Byte packed structure for Control Register 4 (CR4).\r |
| 4988 | /// 32-bits on IA-32.\r | |
| 4989 | /// 64-bits on x64. The upper 32-bits on x64 are reserved.\r | |
| 1106ffe1 | 4990 | ///\r |
| ac644614 | 4991 | typedef union {\r |
| 4992 | struct {\r | |
| af2dc6a7 | 4993 | UINT32 VME:1; ///< Virtual-8086 Mode Extensions.\r |
| 4994 | UINT32 PVI:1; ///< Protected-Mode Virtual Interrupts.\r | |
| 4995 | UINT32 TSD:1; ///< Time Stamp Disable.\r | |
| 4996 | UINT32 DE:1; ///< Debugging Extensions.\r | |
| 4997 | UINT32 PSE:1; ///< Page Size Extensions.\r | |
| 4998 | UINT32 PAE:1; ///< Physical Address Extension.\r | |
| 4999 | UINT32 MCE:1; ///< Machine Check Enable.\r | |
| 5000 | UINT32 PGE:1; ///< Page Global Enable.\r | |
| 2a53dabf | 5001 | UINT32 PCE:1; ///< Performance Monitoring Counter\r |
| af2dc6a7 | 5002 | ///< Enable.\r |
| 2a53dabf LG |
5003 | UINT32 OSFXSR:1; ///< Operating System Support for\r |
| 5004 | ///< FXSAVE and FXRSTOR instructions\r | |
| 5005 | UINT32 OSXMMEXCPT:1; ///< Operating System Support for\r | |
| 5006 | ///< Unmasked SIMD Floating Point\r | |
| af2dc6a7 | 5007 | ///< Exceptions.\r |
| 859046e0 | 5008 | UINT32 UMIP:1; ///< User-Mode Instruction Prevention.\r |
| 6e5a33d1 | 5009 | UINT32 LA57:1; ///< Linear Address 57bit.\r |
| 859046e0 JV |
5010 | UINT32 VMXE:1; ///< VMX Enable.\r |
| 5011 | UINT32 SMXE:1; ///< SMX Enable.\r | |
| 5012 | UINT32 Reserved_3:1; ///< Reserved.\r | |
| 5013 | UINT32 FSGSBASE:1; ///< FSGSBASE Enable.\r | |
| 5014 | UINT32 PCIDE:1; ///< PCID Enable.\r | |
| 5015 | UINT32 OSXSAVE:1; ///< XSAVE and Processor Extended States Enable.\r | |
| 5016 | UINT32 Reserved_4:1; ///< Reserved.\r | |
| 5017 | UINT32 SMEP:1; ///< SMEP Enable.\r | |
| 5018 | UINT32 SMAP:1; ///< SMAP Enable.\r | |
| 5019 | UINT32 PKE:1; ///< Protection-Key Enable.\r | |
| 5020 | UINT32 Reserved_5:9; ///< Reserved.\r | |
| ac644614 | 5021 | } Bits;\r |
| 5022 | UINTN UintN;\r | |
| 5023 | } IA32_CR4;\r | |
| 5024 | \r | |
| 6088db38 | 5025 | ///\r |
| 5026 | /// Byte packed structure for a segment descriptor in a GDT/LDT.\r | |
| 5027 | ///\r | |
| 5028 | typedef union {\r | |
| 5029 | struct {\r | |
| 5030 | UINT32 LimitLow:16;\r | |
| 5031 | UINT32 BaseLow:16;\r | |
| 5032 | UINT32 BaseMid:8;\r | |
| 5033 | UINT32 Type:4;\r | |
| 5034 | UINT32 S:1;\r | |
| 5035 | UINT32 DPL:2;\r | |
| 5036 | UINT32 P:1;\r | |
| 5037 | UINT32 LimitHigh:4;\r | |
| 5038 | UINT32 AVL:1;\r | |
| 5039 | UINT32 L:1;\r | |
| 5040 | UINT32 DB:1;\r | |
| 5041 | UINT32 G:1;\r | |
| 5042 | UINT32 BaseHigh:8;\r | |
| 5043 | } Bits;\r | |
| 5044 | UINT64 Uint64;\r | |
| 5045 | } IA32_SEGMENT_DESCRIPTOR;\r | |
| 5046 | \r | |
| 1106ffe1 | 5047 | ///\r |
| af2dc6a7 | 5048 | /// Byte packed structure for an IDTR, GDTR, LDTR descriptor.\r |
| 1106ffe1 | 5049 | ///\r |
| ac644614 | 5050 | #pragma pack (1)\r |
| 5051 | typedef struct {\r | |
| 5052 | UINT16 Limit;\r | |
| 5053 | UINTN Base;\r | |
| 5054 | } IA32_DESCRIPTOR;\r | |
| 5055 | #pragma pack ()\r | |
| 5056 | \r | |
| 5057 | #define IA32_IDT_GATE_TYPE_TASK 0x85\r | |
| 5058 | #define IA32_IDT_GATE_TYPE_INTERRUPT_16 0x86\r | |
| 5059 | #define IA32_IDT_GATE_TYPE_TRAP_16 0x87\r | |
| 5060 | #define IA32_IDT_GATE_TYPE_INTERRUPT_32 0x8E\r | |
| 5061 | #define IA32_IDT_GATE_TYPE_TRAP_32 0x8F\r | |
| 5062 | \r | |
| 364a5474 JW |
5063 | #define IA32_GDT_TYPE_TSS 0x9\r |
| 5064 | #define IA32_GDT_ALIGNMENT 8\r | |
| 6f4aad3b | 5065 | \r |
| 5066 | #if defined (MDE_CPU_IA32)\r | |
| 1106ffe1 | 5067 | ///\r |
| af2dc6a7 | 5068 | /// Byte packed structure for an IA-32 Interrupt Gate Descriptor.\r |
| 1106ffe1 | 5069 | ///\r |
| dc317713 | 5070 | typedef union {\r |
| 5071 | struct {\r | |
| af2dc6a7 | 5072 | UINT32 OffsetLow:16; ///< Offset bits 15..0.\r |
| 5073 | UINT32 Selector:16; ///< Selector.\r | |
| 5074 | UINT32 Reserved_0:8; ///< Reserved.\r | |
| 5075 | UINT32 GateType:8; ///< Gate Type. See #defines above.\r | |
| 5076 | UINT32 OffsetHigh:16; ///< Offset bits 31..16.\r | |
| dc317713 | 5077 | } Bits;\r |
| 5078 | UINT64 Uint64;\r | |
| 5079 | } IA32_IDT_GATE_DESCRIPTOR;\r | |
| 5080 | \r | |
| 364a5474 JW |
5081 | #pragma pack (1)\r |
| 5082 | //\r | |
| 5083 | // IA32 Task-State Segment Definition\r | |
| 5084 | //\r | |
| 5085 | typedef struct {\r | |
| 5086 | UINT16 PreviousTaskLink;\r | |
| 5087 | UINT16 Reserved_2;\r | |
| 3ab032fc JW |
5088 | UINT32 ESP0;\r |
| 5089 | UINT16 SS0;\r | |
| 364a5474 | 5090 | UINT16 Reserved_10;\r |
| 3ab032fc JW |
5091 | UINT32 ESP1;\r |
| 5092 | UINT16 SS1;\r | |
| 364a5474 | 5093 | UINT16 Reserved_18;\r |
| 3ab032fc JW |
5094 | UINT32 ESP2;\r |
| 5095 | UINT16 SS2;\r | |
| 364a5474 | 5096 | UINT16 Reserved_26;\r |
| 3ab032fc JW |
5097 | UINT32 CR3;\r |
| 5098 | UINT32 EIP;\r | |
| 5099 | UINT32 EFLAGS;\r | |
| 5100 | UINT32 EAX;\r | |
| 5101 | UINT32 ECX;\r | |
| 5102 | UINT32 EDX;\r | |
| 5103 | UINT32 EBX;\r | |
| 5104 | UINT32 ESP;\r | |
| 5105 | UINT32 EBP;\r | |
| 5106 | UINT32 ESI;\r | |
| 5107 | UINT32 EDI;\r | |
| 5108 | UINT16 ES;\r | |
| 364a5474 | 5109 | UINT16 Reserved_74;\r |
| 3ab032fc | 5110 | UINT16 CS;\r |
| 364a5474 | 5111 | UINT16 Reserved_78;\r |
| 3ab032fc | 5112 | UINT16 SS;\r |
| 364a5474 | 5113 | UINT16 Reserved_82;\r |
| 3ab032fc | 5114 | UINT16 DS;\r |
| 364a5474 | 5115 | UINT16 Reserved_86;\r |
| 3ab032fc | 5116 | UINT16 FS;\r |
| 364a5474 | 5117 | UINT16 Reserved_90;\r |
| 3ab032fc | 5118 | UINT16 GS;\r |
| 364a5474 JW |
5119 | UINT16 Reserved_94;\r |
| 5120 | UINT16 LDTSegmentSelector;\r | |
| 5121 | UINT16 Reserved_98;\r | |
| 3ab032fc | 5122 | UINT16 T;\r |
| 364a5474 JW |
5123 | UINT16 IOMapBaseAddress;\r |
| 5124 | } IA32_TASK_STATE_SEGMENT;\r | |
| 5125 | \r | |
| 5126 | typedef union {\r | |
| 5127 | struct {\r | |
| 5128 | UINT32 LimitLow:16; ///< Segment Limit 15..00\r | |
| 5129 | UINT32 BaseLow:16; ///< Base Address 15..00\r | |
| 5130 | UINT32 BaseMid:8; ///< Base Address 23..16\r | |
| 5131 | UINT32 Type:4; ///< Type (1 0 B 1)\r | |
| 5132 | UINT32 Reserved_43:1; ///< 0\r | |
| 3ab032fc JW |
5133 | UINT32 DPL:2; ///< Descriptor Privilege Level\r |
| 5134 | UINT32 P:1; ///< Segment Present\r | |
| 364a5474 | 5135 | UINT32 LimitHigh:4; ///< Segment Limit 19..16\r |
| 3ab032fc | 5136 | UINT32 AVL:1; ///< Available for use by system software\r |
| 364a5474 | 5137 | UINT32 Reserved_52:2; ///< 0 0\r |
| 3ab032fc | 5138 | UINT32 G:1; ///< Granularity\r |
| 364a5474 JW |
5139 | UINT32 BaseHigh:8; ///< Base Address 31..24\r |
| 5140 | } Bits;\r | |
| 5141 | UINT64 Uint64;\r | |
| 5142 | } IA32_TSS_DESCRIPTOR;\r | |
| 5143 | #pragma pack ()\r | |
| 5144 | \r | |
| de4f7f52 | 5145 | #endif // defined (MDE_CPU_IA32)\r |
| dc317713 | 5146 | \r |
| 5147 | #if defined (MDE_CPU_X64)\r | |
| 6f4aad3b | 5148 | ///\r |
| af2dc6a7 | 5149 | /// Byte packed structure for an x64 Interrupt Gate Descriptor.\r |
| 6f4aad3b | 5150 | ///\r |
| ac644614 | 5151 | typedef union {\r |
| 5152 | struct {\r | |
| af2dc6a7 | 5153 | UINT32 OffsetLow:16; ///< Offset bits 15..0.\r |
| 5154 | UINT32 Selector:16; ///< Selector.\r | |
| 5155 | UINT32 Reserved_0:8; ///< Reserved.\r | |
| 5156 | UINT32 GateType:8; ///< Gate Type. See #defines above.\r | |
| 5157 | UINT32 OffsetHigh:16; ///< Offset bits 31..16.\r | |
| 5158 | UINT32 OffsetUpper:32; ///< Offset bits 63..32.\r | |
| 5159 | UINT32 Reserved_1:32; ///< Reserved.\r | |
| ac644614 | 5160 | } Bits;\r |
| 6f4aad3b | 5161 | struct {\r |
| 5162 | UINT64 Uint64;\r | |
| 5163 | UINT64 Uint64_1;\r | |
| 9095d37b | 5164 | } Uint128;\r |
| ac644614 | 5165 | } IA32_IDT_GATE_DESCRIPTOR;\r |
| 5166 | \r | |
| 364a5474 JW |
5167 | #pragma pack (1)\r |
| 5168 | //\r | |
| 5169 | // IA32 Task-State Segment Definition\r | |
| 5170 | //\r | |
| 5171 | typedef struct {\r | |
| 5172 | UINT32 Reserved_0;\r | |
| 3ab032fc JW |
5173 | UINT64 RSP0;\r |
| 5174 | UINT64 RSP1;\r | |
| 5175 | UINT64 RSP2;\r | |
| 364a5474 | 5176 | UINT64 Reserved_28;\r |
| 3ab032fc | 5177 | UINT64 IST[7];\r |
| 364a5474 JW |
5178 | UINT64 Reserved_92;\r |
| 5179 | UINT16 Reserved_100;\r | |
| 5180 | UINT16 IOMapBaseAddress;\r | |
| 5181 | } IA32_TASK_STATE_SEGMENT;\r | |
| 5182 | \r | |
| 5183 | typedef union {\r | |
| 5184 | struct {\r | |
| 5185 | UINT32 LimitLow:16; ///< Segment Limit 15..00\r | |
| 5186 | UINT32 BaseLow:16; ///< Base Address 15..00\r | |
| 5187 | UINT32 BaseMidl:8; ///< Base Address 23..16\r | |
| 5188 | UINT32 Type:4; ///< Type (1 0 B 1)\r | |
| 5189 | UINT32 Reserved_43:1; ///< 0\r | |
| 3ab032fc JW |
5190 | UINT32 DPL:2; ///< Descriptor Privilege Level\r |
| 5191 | UINT32 P:1; ///< Segment Present\r | |
| 364a5474 | 5192 | UINT32 LimitHigh:4; ///< Segment Limit 19..16\r |
| 3ab032fc | 5193 | UINT32 AVL:1; ///< Available for use by system software\r |
| 364a5474 | 5194 | UINT32 Reserved_52:2; ///< 0 0\r |
| 3ab032fc | 5195 | UINT32 G:1; ///< Granularity\r |
| 364a5474 JW |
5196 | UINT32 BaseMidh:8; ///< Base Address 31..24\r |
| 5197 | UINT32 BaseHigh:32; ///< Base Address 63..32\r | |
| 5198 | UINT32 Reserved_96:32; ///< Reserved\r | |
| 5199 | } Bits;\r | |
| 5200 | struct {\r | |
| 5201 | UINT64 Uint64;\r | |
| 5202 | UINT64 Uint64_1;\r | |
| 5203 | } Uint128;\r | |
| 5204 | } IA32_TSS_DESCRIPTOR;\r | |
| 5205 | #pragma pack ()\r | |
| 5206 | \r | |
| de4f7f52 | 5207 | #endif // defined (MDE_CPU_X64)\r |
| dc317713 | 5208 | \r |
| 1106ffe1 | 5209 | ///\r |
| af2dc6a7 | 5210 | /// Byte packed structure for an FP/SSE/SSE2 context.\r |
| 1106ffe1 | 5211 | ///\r |
| ac644614 | 5212 | typedef struct {\r |
| 5213 | UINT8 Buffer[512];\r | |
| 5214 | } IA32_FX_BUFFER;\r | |
| 5215 | \r | |
| 1106ffe1 | 5216 | ///\r |
| af2dc6a7 | 5217 | /// Structures for the 16-bit real mode thunks.\r |
| 1106ffe1 | 5218 | ///\r |
| ac644614 | 5219 | typedef struct {\r |
| 5220 | UINT32 Reserved1;\r | |
| 5221 | UINT32 Reserved2;\r | |
| 5222 | UINT32 Reserved3;\r | |
| 5223 | UINT32 Reserved4;\r | |
| 5224 | UINT8 BL;\r | |
| 5225 | UINT8 BH;\r | |
| 5226 | UINT16 Reserved5;\r | |
| 5227 | UINT8 DL;\r | |
| 5228 | UINT8 DH;\r | |
| 5229 | UINT16 Reserved6;\r | |
| 5230 | UINT8 CL;\r | |
| 5231 | UINT8 CH;\r | |
| 5232 | UINT16 Reserved7;\r | |
| 5233 | UINT8 AL;\r | |
| 5234 | UINT8 AH;\r | |
| 5235 | UINT16 Reserved8;\r | |
| 5236 | } IA32_BYTE_REGS;\r | |
| 5237 | \r | |
| 5238 | typedef struct {\r | |
| 5239 | UINT16 DI;\r | |
| 5240 | UINT16 Reserved1;\r | |
| 5241 | UINT16 SI;\r | |
| 5242 | UINT16 Reserved2;\r | |
| 5243 | UINT16 BP;\r | |
| 5244 | UINT16 Reserved3;\r | |
| 5245 | UINT16 SP;\r | |
| 5246 | UINT16 Reserved4;\r | |
| 5247 | UINT16 BX;\r | |
| 5248 | UINT16 Reserved5;\r | |
| 5249 | UINT16 DX;\r | |
| 5250 | UINT16 Reserved6;\r | |
| 5251 | UINT16 CX;\r | |
| 5252 | UINT16 Reserved7;\r | |
| 5253 | UINT16 AX;\r | |
| 5254 | UINT16 Reserved8;\r | |
| 5255 | } IA32_WORD_REGS;\r | |
| 5256 | \r | |
| 5257 | typedef struct {\r | |
| 5258 | UINT32 EDI;\r | |
| 5259 | UINT32 ESI;\r | |
| 5260 | UINT32 EBP;\r | |
| 5261 | UINT32 ESP;\r | |
| 5262 | UINT32 EBX;\r | |
| 5263 | UINT32 EDX;\r | |
| 5264 | UINT32 ECX;\r | |
| 5265 | UINT32 EAX;\r | |
| 5266 | UINT16 DS;\r | |
| 5267 | UINT16 ES;\r | |
| 5268 | UINT16 FS;\r | |
| 5269 | UINT16 GS;\r | |
| 5270 | IA32_EFLAGS32 EFLAGS;\r | |
| 5271 | UINT32 Eip;\r | |
| 5272 | UINT16 CS;\r | |
| 5273 | UINT16 SS;\r | |
| 5274 | } IA32_DWORD_REGS;\r | |
| 5275 | \r | |
| 5276 | typedef union {\r | |
| 5277 | IA32_DWORD_REGS E;\r | |
| 5278 | IA32_WORD_REGS X;\r | |
| 5279 | IA32_BYTE_REGS H;\r | |
| 5280 | } IA32_REGISTER_SET;\r | |
| 5281 | \r | |
| 1106ffe1 | 5282 | ///\r |
| af2dc6a7 | 5283 | /// Byte packed structure for an 16-bit real mode thunks.\r |
| 1106ffe1 | 5284 | ///\r |
| ac644614 | 5285 | typedef struct {\r |
| 5286 | IA32_REGISTER_SET *RealModeState;\r | |
| 5287 | VOID *RealModeBuffer;\r | |
| 5288 | UINT32 RealModeBufferSize;\r | |
| 5289 | UINT32 ThunkAttributes;\r | |
| 5290 | } THUNK_CONTEXT;\r | |
| 5291 | \r | |
| 5292 | #define THUNK_ATTRIBUTE_BIG_REAL_MODE 0x00000001\r | |
| 5293 | #define THUNK_ATTRIBUTE_DISABLE_A20_MASK_INT_15 0x00000002\r | |
| 5294 | #define THUNK_ATTRIBUTE_DISABLE_A20_MASK_KBD_CTRL 0x00000004\r | |
| 5295 | \r | |
| 8596c140 LE |
5296 | ///\r |
| 5297 | /// Type definition for representing labels in NASM source code that allow for\r | |
| 5298 | /// the patching of immediate operands of IA32 and X64 instructions.\r | |
| 5299 | ///\r | |
| 5300 | /// While the type is technically defined as a function type (note: not a\r | |
| 5301 | /// pointer-to-function type), such labels in NASM source code never stand for\r | |
| 5302 | /// actual functions, and identifiers declared with this function type should\r | |
| 5303 | /// never be called. This is also why the EFIAPI calling convention specifier\r | |
| 5304 | /// is missing from the typedef, and why the typedef does not follow the usual\r | |
| 5305 | /// edk2 coding style for function (or pointer-to-function) typedefs. The VOID\r | |
| 5306 | /// return type and the VOID argument list are merely artifacts.\r | |
| 5307 | ///\r | |
| 5308 | typedef VOID (X86_ASSEMBLY_PATCH_LABEL) (VOID);\r | |
| 5309 | \r | |
| ac644614 | 5310 | /**\r |
| 5311 | Retrieves CPUID information.\r | |
| 5312 | \r | |
| 5313 | Executes the CPUID instruction with EAX set to the value specified by Index.\r | |
| 5314 | This function always returns Index.\r | |
| 5315 | If Eax is not NULL, then the value of EAX after CPUID is returned in Eax.\r | |
| 5316 | If Ebx is not NULL, then the value of EBX after CPUID is returned in Ebx.\r | |
| 5317 | If Ecx is not NULL, then the value of ECX after CPUID is returned in Ecx.\r | |
| 5318 | If Edx is not NULL, then the value of EDX after CPUID is returned in Edx.\r | |
| 030cd1a2 | 5319 | This function is only available on IA-32 and x64.\r |
| ac644614 | 5320 | \r |
| 5321 | @param Index The 32-bit value to load into EAX prior to invoking the CPUID\r | |
| 5322 | instruction.\r | |
| af2dc6a7 | 5323 | @param Eax The pointer to the 32-bit EAX value returned by the CPUID\r |
| ac644614 | 5324 | instruction. This is an optional parameter that may be NULL.\r |
| af2dc6a7 | 5325 | @param Ebx The pointer to the 32-bit EBX value returned by the CPUID\r |
| ac644614 | 5326 | instruction. This is an optional parameter that may be NULL.\r |
| af2dc6a7 | 5327 | @param Ecx The pointer to the 32-bit ECX value returned by the CPUID\r |
| ac644614 | 5328 | instruction. This is an optional parameter that may be NULL.\r |
| af2dc6a7 | 5329 | @param Edx The pointer to the 32-bit EDX value returned by the CPUID\r |
| ac644614 | 5330 | instruction. This is an optional parameter that may be NULL.\r |
| 5331 | \r | |
| 2fe241a2 | 5332 | @return Index.\r |
| ac644614 | 5333 | \r |
| 5334 | **/\r | |
| 5335 | UINT32\r | |
| 5336 | EFIAPI\r | |
| 5337 | AsmCpuid (\r | |
| 5338 | IN UINT32 Index,\r | |
| 5339 | OUT UINT32 *Eax, OPTIONAL\r | |
| 5340 | OUT UINT32 *Ebx, OPTIONAL\r | |
| 5341 | OUT UINT32 *Ecx, OPTIONAL\r | |
| 5342 | OUT UINT32 *Edx OPTIONAL\r | |
| 5343 | );\r | |
| 5344 | \r | |
| 5345 | \r | |
| 5346 | /**\r | |
| 5347 | Retrieves CPUID information using an extended leaf identifier.\r | |
| 5348 | \r | |
| 5349 | Executes the CPUID instruction with EAX set to the value specified by Index\r | |
| 5350 | and ECX set to the value specified by SubIndex. This function always returns\r | |
| 5351 | Index. This function is only available on IA-32 and x64.\r | |
| 5352 | \r | |
| 5353 | If Eax is not NULL, then the value of EAX after CPUID is returned in Eax.\r | |
| 5354 | If Ebx is not NULL, then the value of EBX after CPUID is returned in Ebx.\r | |
| 5355 | If Ecx is not NULL, then the value of ECX after CPUID is returned in Ecx.\r | |
| 5356 | If Edx is not NULL, then the value of EDX after CPUID is returned in Edx.\r | |
| 5357 | \r | |
| 5358 | @param Index The 32-bit value to load into EAX prior to invoking the\r | |
| 5359 | CPUID instruction.\r | |
| 5360 | @param SubIndex The 32-bit value to load into ECX prior to invoking the\r | |
| 5361 | CPUID instruction.\r | |
| af2dc6a7 | 5362 | @param Eax The pointer to the 32-bit EAX value returned by the CPUID\r |
| ac644614 | 5363 | instruction. This is an optional parameter that may be\r |
| 5364 | NULL.\r | |
| af2dc6a7 | 5365 | @param Ebx The pointer to the 32-bit EBX value returned by the CPUID\r |
| ac644614 | 5366 | instruction. This is an optional parameter that may be\r |
| 5367 | NULL.\r | |
| af2dc6a7 | 5368 | @param Ecx The pointer to the 32-bit ECX value returned by the CPUID\r |
| ac644614 | 5369 | instruction. This is an optional parameter that may be\r |
| 5370 | NULL.\r | |
| af2dc6a7 | 5371 | @param Edx The pointer to the 32-bit EDX value returned by the CPUID\r |
| ac644614 | 5372 | instruction. This is an optional parameter that may be\r |
| 5373 | NULL.\r | |
| 5374 | \r | |
| 2fe241a2 | 5375 | @return Index.\r |
| ac644614 | 5376 | \r |
| 5377 | **/\r | |
| 5378 | UINT32\r | |
| 5379 | EFIAPI\r | |
| 5380 | AsmCpuidEx (\r | |
| 5381 | IN UINT32 Index,\r | |
| 5382 | IN UINT32 SubIndex,\r | |
| 5383 | OUT UINT32 *Eax, OPTIONAL\r | |
| 5384 | OUT UINT32 *Ebx, OPTIONAL\r | |
| 5385 | OUT UINT32 *Ecx, OPTIONAL\r | |
| 5386 | OUT UINT32 *Edx OPTIONAL\r | |
| 5387 | );\r | |
| 5388 | \r | |
| 5389 | \r | |
| be5f1614 | 5390 | /**\r |
| 5391 | Set CD bit and clear NW bit of CR0 followed by a WBINVD.\r | |
| 5392 | \r | |
| 5393 | Disables the caches by setting the CD bit of CR0 to 1, clearing the NW bit of CR0 to 0,\r | |
| 5394 | and executing a WBINVD instruction. This function is only available on IA-32 and x64.\r | |
| 5395 | \r | |
| 5396 | **/\r | |
| 5397 | VOID\r | |
| 5398 | EFIAPI\r | |
| 5399 | AsmDisableCache (\r | |
| 5400 | VOID\r | |
| 5401 | );\r | |
| 5402 | \r | |
| 5403 | \r | |
| 5404 | /**\r | |
| 5405 | Perform a WBINVD and clear both the CD and NW bits of CR0.\r | |
| 5406 | \r | |
| 5407 | Enables the caches by executing a WBINVD instruction and then clear both the CD and NW\r | |
| 5408 | bits of CR0 to 0. This function is only available on IA-32 and x64.\r | |
| 5409 | \r | |
| 5410 | **/\r | |
| 5411 | VOID\r | |
| 5412 | EFIAPI\r | |
| 5413 | AsmEnableCache (\r | |
| 5414 | VOID\r | |
| 5415 | );\r | |
| 5416 | \r | |
| 5417 | \r | |
| ac644614 | 5418 | /**\r |
| 5419 | Returns the lower 32-bits of a Machine Specific Register(MSR).\r | |
| 5420 | \r | |
| 5421 | Reads and returns the lower 32-bits of the MSR specified by Index.\r | |
| 5422 | No parameter checking is performed on Index, and some Index values may cause\r | |
| 5423 | CPU exceptions. The caller must either guarantee that Index is valid, or the\r | |
| 5424 | caller must set up exception handlers to catch the exceptions. This function\r | |
| 030cd1a2 | 5425 | is only available on IA-32 and x64.\r |
| ac644614 | 5426 | \r |
| 5427 | @param Index The 32-bit MSR index to read.\r | |
| 5428 | \r | |
| 5429 | @return The lower 32 bits of the MSR identified by Index.\r | |
| 5430 | \r | |
| 5431 | **/\r | |
| 5432 | UINT32\r | |
| 5433 | EFIAPI\r | |
| 5434 | AsmReadMsr32 (\r | |
| 5435 | IN UINT32 Index\r | |
| 5436 | );\r | |
| 5437 | \r | |
| 5438 | \r | |
| 5439 | /**\r | |
| 17f695ed | 5440 | Writes a 32-bit value to a Machine Specific Register(MSR), and returns the value.\r |
| 5441 | The upper 32-bits of the MSR are set to zero.\r | |
| ac644614 | 5442 | \r |
| 5443 | Writes the 32-bit value specified by Value to the MSR specified by Index. The\r | |
| 5444 | upper 32-bits of the MSR write are set to zero. The 32-bit value written to\r | |
| 5445 | the MSR is returned. No parameter checking is performed on Index or Value,\r | |
| 5446 | and some of these may cause CPU exceptions. The caller must either guarantee\r | |
| 5447 | that Index and Value are valid, or the caller must establish proper exception\r | |
| 030cd1a2 | 5448 | handlers. This function is only available on IA-32 and x64.\r |
| ac644614 | 5449 | \r |
| 5450 | @param Index The 32-bit MSR index to write.\r | |
| 5451 | @param Value The 32-bit value to write to the MSR.\r | |
| 5452 | \r | |
| 5453 | @return Value\r | |
| 5454 | \r | |
| 5455 | **/\r | |
| 5456 | UINT32\r | |
| 5457 | EFIAPI\r | |
| 5458 | AsmWriteMsr32 (\r | |
| 5459 | IN UINT32 Index,\r | |
| 5460 | IN UINT32 Value\r | |
| 5461 | );\r | |
| 5462 | \r | |
| 5463 | \r | |
| 5464 | /**\r | |
| 62991af2 | 5465 | Reads a 64-bit MSR, performs a bitwise OR on the lower 32-bits, and\r |
| ac644614 | 5466 | writes the result back to the 64-bit MSR.\r |
| 5467 | \r | |
| 62991af2 | 5468 | Reads the 64-bit MSR specified by Index, performs a bitwise OR\r |
| ac644614 | 5469 | between the lower 32-bits of the read result and the value specified by\r |
| 5470 | OrData, and writes the result to the 64-bit MSR specified by Index. The lower\r | |
| 5471 | 32-bits of the value written to the MSR is returned. No parameter checking is\r | |
| 5472 | performed on Index or OrData, and some of these may cause CPU exceptions. The\r | |
| 5473 | caller must either guarantee that Index and OrData are valid, or the caller\r | |
| 5474 | must establish proper exception handlers. This function is only available on\r | |
| 030cd1a2 | 5475 | IA-32 and x64.\r |
| ac644614 | 5476 | \r |
| 5477 | @param Index The 32-bit MSR index to write.\r | |
| 5478 | @param OrData The value to OR with the read value from the MSR.\r | |
| 5479 | \r | |
| 5480 | @return The lower 32-bit value written to the MSR.\r | |
| 5481 | \r | |
| 5482 | **/\r | |
| 5483 | UINT32\r | |
| 5484 | EFIAPI\r | |
| 5485 | AsmMsrOr32 (\r | |
| 5486 | IN UINT32 Index,\r | |
| 5487 | IN UINT32 OrData\r | |
| 5488 | );\r | |
| 5489 | \r | |
| 5490 | \r | |
| 5491 | /**\r | |
| 5492 | Reads a 64-bit MSR, performs a bitwise AND on the lower 32-bits, and writes\r | |
| 5493 | the result back to the 64-bit MSR.\r | |
| 5494 | \r | |
| 5495 | Reads the 64-bit MSR specified by Index, performs a bitwise AND between the\r | |
| 5496 | lower 32-bits of the read result and the value specified by AndData, and\r | |
| 5497 | writes the result to the 64-bit MSR specified by Index. The lower 32-bits of\r | |
| 5498 | the value written to the MSR is returned. No parameter checking is performed\r | |
| 5499 | on Index or AndData, and some of these may cause CPU exceptions. The caller\r | |
| 5500 | must either guarantee that Index and AndData are valid, or the caller must\r | |
| 5501 | establish proper exception handlers. This function is only available on IA-32\r | |
| 030cd1a2 | 5502 | and x64.\r |
| ac644614 | 5503 | \r |
| 5504 | @param Index The 32-bit MSR index to write.\r | |
| 5505 | @param AndData The value to AND with the read value from the MSR.\r | |
| 5506 | \r | |
| 5507 | @return The lower 32-bit value written to the MSR.\r | |
| 5508 | \r | |
| 5509 | **/\r | |
| 5510 | UINT32\r | |
| 5511 | EFIAPI\r | |
| 5512 | AsmMsrAnd32 (\r | |
| 5513 | IN UINT32 Index,\r | |
| 5514 | IN UINT32 AndData\r | |
| 5515 | );\r | |
| 5516 | \r | |
| 5517 | \r | |
| 5518 | /**\r | |
| 62991af2 | 5519 | Reads a 64-bit MSR, performs a bitwise AND followed by a bitwise OR\r |
| ac644614 | 5520 | on the lower 32-bits, and writes the result back to the 64-bit MSR.\r |
| 5521 | \r | |
| 5522 | Reads the 64-bit MSR specified by Index, performs a bitwise AND between the\r | |
| 5523 | lower 32-bits of the read result and the value specified by AndData\r | |
| 62991af2 | 5524 | preserving the upper 32-bits, performs a bitwise OR between the\r |
| ac644614 | 5525 | result of the AND operation and the value specified by OrData, and writes the\r |
| 5526 | result to the 64-bit MSR specified by Address. The lower 32-bits of the value\r | |
| 5527 | written to the MSR is returned. No parameter checking is performed on Index,\r | |
| 5528 | AndData, or OrData, and some of these may cause CPU exceptions. The caller\r | |
| 5529 | must either guarantee that Index, AndData, and OrData are valid, or the\r | |
| 5530 | caller must establish proper exception handlers. This function is only\r | |
| 030cd1a2 | 5531 | available on IA-32 and x64.\r |
| ac644614 | 5532 | \r |
| 5533 | @param Index The 32-bit MSR index to write.\r | |
| 5534 | @param AndData The value to AND with the read value from the MSR.\r | |
| 5535 | @param OrData The value to OR with the result of the AND operation.\r | |
| 5536 | \r | |
| 5537 | @return The lower 32-bit value written to the MSR.\r | |
| 5538 | \r | |
| 5539 | **/\r | |
| 5540 | UINT32\r | |
| 5541 | EFIAPI\r | |
| 5542 | AsmMsrAndThenOr32 (\r | |
| 5543 | IN UINT32 Index,\r | |
| 5544 | IN UINT32 AndData,\r | |
| 5545 | IN UINT32 OrData\r | |
| 5546 | );\r | |
| 5547 | \r | |
| 5548 | \r | |
| 5549 | /**\r | |
| 5550 | Reads a bit field of an MSR.\r | |
| 5551 | \r | |
| 5552 | Reads the bit field in the lower 32-bits of a 64-bit MSR. The bit field is\r | |
| 5553 | specified by the StartBit and the EndBit. The value of the bit field is\r | |
| 5554 | returned. The caller must either guarantee that Index is valid, or the caller\r | |
| 5555 | must set up exception handlers to catch the exceptions. This function is only\r | |
| 030cd1a2 | 5556 | available on IA-32 and x64.\r |
| ac644614 | 5557 | \r |
| 5558 | If StartBit is greater than 31, then ASSERT().\r | |
| 5559 | If EndBit is greater than 31, then ASSERT().\r | |
| 5560 | If EndBit is less than StartBit, then ASSERT().\r | |
| 5561 | \r | |
| 5562 | @param Index The 32-bit MSR index to read.\r | |
| 5563 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 5564 | Range 0..31.\r | |
| 5565 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 5566 | Range 0..31.\r | |
| 5567 | \r | |
| 5568 | @return The bit field read from the MSR.\r | |
| 5569 | \r | |
| 5570 | **/\r | |
| 5571 | UINT32\r | |
| 5572 | EFIAPI\r | |
| 5573 | AsmMsrBitFieldRead32 (\r | |
| 5574 | IN UINT32 Index,\r | |
| 5575 | IN UINTN StartBit,\r | |
| 5576 | IN UINTN EndBit\r | |
| 5577 | );\r | |
| 5578 | \r | |
| 5579 | \r | |
| 5580 | /**\r | |
| 5581 | Writes a bit field to an MSR.\r | |
| 5582 | \r | |
| 2fe241a2 | 5583 | Writes Value to a bit field in the lower 32-bits of a 64-bit MSR. The bit\r |
| ac644614 | 5584 | field is specified by the StartBit and the EndBit. All other bits in the\r |
| 5585 | destination MSR are preserved. The lower 32-bits of the MSR written is\r | |
| 9095d37b LG |
5586 | returned. The caller must either guarantee that Index and the data written\r |
| 5587 | is valid, or the caller must set up exception handlers to catch the exceptions.\r | |
| 62991af2 | 5588 | This function is only available on IA-32 and x64.\r |
| ac644614 | 5589 | \r |
| 5590 | If StartBit is greater than 31, then ASSERT().\r | |
| 5591 | If EndBit is greater than 31, then ASSERT().\r | |
| 5592 | If EndBit is less than StartBit, then ASSERT().\r | |
| 94952554 | 5593 | If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
| ac644614 | 5594 | \r |
| 5595 | @param Index The 32-bit MSR index to write.\r | |
| 5596 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 5597 | Range 0..31.\r | |
| 5598 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 5599 | Range 0..31.\r | |
| 5600 | @param Value New value of the bit field.\r | |
| 5601 | \r | |
| 5602 | @return The lower 32-bit of the value written to the MSR.\r | |
| 5603 | \r | |
| 5604 | **/\r | |
| 5605 | UINT32\r | |
| 5606 | EFIAPI\r | |
| 5607 | AsmMsrBitFieldWrite32 (\r | |
| 5608 | IN UINT32 Index,\r | |
| 5609 | IN UINTN StartBit,\r | |
| 5610 | IN UINTN EndBit,\r | |
| 5611 | IN UINT32 Value\r | |
| 5612 | );\r | |
| 5613 | \r | |
| 5614 | \r | |
| 5615 | /**\r | |
| 5616 | Reads a bit field in a 64-bit MSR, performs a bitwise OR, and writes the\r | |
| 5617 | result back to the bit field in the 64-bit MSR.\r | |
| 5618 | \r | |
| 62991af2 | 5619 | Reads the 64-bit MSR specified by Index, performs a bitwise OR\r |
| ac644614 | 5620 | between the read result and the value specified by OrData, and writes the\r |
| 5621 | result to the 64-bit MSR specified by Index. The lower 32-bits of the value\r | |
| 5622 | written to the MSR are returned. Extra left bits in OrData are stripped. The\r | |
| 5623 | caller must either guarantee that Index and the data written is valid, or\r | |
| 5624 | the caller must set up exception handlers to catch the exceptions. This\r | |
| 030cd1a2 | 5625 | function is only available on IA-32 and x64.\r |
| ac644614 | 5626 | \r |
| 5627 | If StartBit is greater than 31, then ASSERT().\r | |
| 5628 | If EndBit is greater than 31, then ASSERT().\r | |
| 5629 | If EndBit is less than StartBit, then ASSERT().\r | |
| 94952554 | 5630 | If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
| ac644614 | 5631 | \r |
| 5632 | @param Index The 32-bit MSR index to write.\r | |
| 5633 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 5634 | Range 0..31.\r | |
| 5635 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 5636 | Range 0..31.\r | |
| 5637 | @param OrData The value to OR with the read value from the MSR.\r | |
| 5638 | \r | |
| 5639 | @return The lower 32-bit of the value written to the MSR.\r | |
| 5640 | \r | |
| 5641 | **/\r | |
| 5642 | UINT32\r | |
| 5643 | EFIAPI\r | |
| 5644 | AsmMsrBitFieldOr32 (\r | |
| 5645 | IN UINT32 Index,\r | |
| 5646 | IN UINTN StartBit,\r | |
| 5647 | IN UINTN EndBit,\r | |
| 5648 | IN UINT32 OrData\r | |
| 5649 | );\r | |
| 5650 | \r | |
| 5651 | \r | |
| 5652 | /**\r | |
| 5653 | Reads a bit field in a 64-bit MSR, performs a bitwise AND, and writes the\r | |
| 5654 | result back to the bit field in the 64-bit MSR.\r | |
| 5655 | \r | |
| 5656 | Reads the 64-bit MSR specified by Index, performs a bitwise AND between the\r | |
| 5657 | read result and the value specified by AndData, and writes the result to the\r | |
| 5658 | 64-bit MSR specified by Index. The lower 32-bits of the value written to the\r | |
| 5659 | MSR are returned. Extra left bits in AndData are stripped. The caller must\r | |
| 5660 | either guarantee that Index and the data written is valid, or the caller must\r | |
| 5661 | set up exception handlers to catch the exceptions. This function is only\r | |
| 030cd1a2 | 5662 | available on IA-32 and x64.\r |
| ac644614 | 5663 | \r |
| 5664 | If StartBit is greater than 31, then ASSERT().\r | |
| 5665 | If EndBit is greater than 31, then ASSERT().\r | |
| 5666 | If EndBit is less than StartBit, then ASSERT().\r | |
| 94952554 | 5667 | If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
| ac644614 | 5668 | \r |
| 5669 | @param Index The 32-bit MSR index to write.\r | |
| 5670 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 5671 | Range 0..31.\r | |
| 5672 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 5673 | Range 0..31.\r | |
| 5674 | @param AndData The value to AND with the read value from the MSR.\r | |
| 5675 | \r | |
| 5676 | @return The lower 32-bit of the value written to the MSR.\r | |
| 5677 | \r | |
| 5678 | **/\r | |
| 5679 | UINT32\r | |
| 5680 | EFIAPI\r | |
| 5681 | AsmMsrBitFieldAnd32 (\r | |
| 5682 | IN UINT32 Index,\r | |
| 5683 | IN UINTN StartBit,\r | |
| 5684 | IN UINTN EndBit,\r | |
| 5685 | IN UINT32 AndData\r | |
| 5686 | );\r | |
| 5687 | \r | |
| 5688 | \r | |
| 5689 | /**\r | |
| 5690 | Reads a bit field in a 64-bit MSR, performs a bitwise AND followed by a\r | |
| 62991af2 | 5691 | bitwise OR, and writes the result back to the bit field in the\r |
| ac644614 | 5692 | 64-bit MSR.\r |
| 5693 | \r | |
| 5694 | Reads the 64-bit MSR specified by Index, performs a bitwise AND followed by a\r | |
| 62991af2 | 5695 | bitwise OR between the read result and the value specified by\r |
| ac644614 | 5696 | AndData, and writes the result to the 64-bit MSR specified by Index. The\r |
| 5697 | lower 32-bits of the value written to the MSR are returned. Extra left bits\r | |
| 5698 | in both AndData and OrData are stripped. The caller must either guarantee\r | |
| 5699 | that Index and the data written is valid, or the caller must set up exception\r | |
| 5700 | handlers to catch the exceptions. This function is only available on IA-32\r | |
| 030cd1a2 | 5701 | and x64.\r |
| ac644614 | 5702 | \r |
| 5703 | If StartBit is greater than 31, then ASSERT().\r | |
| 5704 | If EndBit is greater than 31, then ASSERT().\r | |
| 5705 | If EndBit is less than StartBit, then ASSERT().\r | |
| 94952554 LG |
5706 | If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
| 5707 | If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r | |
| ac644614 | 5708 | \r |
| 5709 | @param Index The 32-bit MSR index to write.\r | |
| 5710 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 5711 | Range 0..31.\r | |
| 5712 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 5713 | Range 0..31.\r | |
| 5714 | @param AndData The value to AND with the read value from the MSR.\r | |
| 5715 | @param OrData The value to OR with the result of the AND operation.\r | |
| 5716 | \r | |
| 5717 | @return The lower 32-bit of the value written to the MSR.\r | |
| 5718 | \r | |
| 5719 | **/\r | |
| 5720 | UINT32\r | |
| 5721 | EFIAPI\r | |
| 5722 | AsmMsrBitFieldAndThenOr32 (\r | |
| 5723 | IN UINT32 Index,\r | |
| 5724 | IN UINTN StartBit,\r | |
| 5725 | IN UINTN EndBit,\r | |
| 5726 | IN UINT32 AndData,\r | |
| 5727 | IN UINT32 OrData\r | |
| 5728 | );\r | |
| 5729 | \r | |
| 5730 | \r | |
| 5731 | /**\r | |
| 5732 | Returns a 64-bit Machine Specific Register(MSR).\r | |
| 5733 | \r | |
| 5734 | Reads and returns the 64-bit MSR specified by Index. No parameter checking is\r | |
| 5735 | performed on Index, and some Index values may cause CPU exceptions. The\r | |
| 5736 | caller must either guarantee that Index is valid, or the caller must set up\r | |
| 5737 | exception handlers to catch the exceptions. This function is only available\r | |
| 030cd1a2 | 5738 | on IA-32 and x64.\r |
| ac644614 | 5739 | \r |
| 5740 | @param Index The 32-bit MSR index to read.\r | |
| 5741 | \r | |
| 5742 | @return The value of the MSR identified by Index.\r | |
| 5743 | \r | |
| 5744 | **/\r | |
| 5745 | UINT64\r | |
| 5746 | EFIAPI\r | |
| 5747 | AsmReadMsr64 (\r | |
| 5748 | IN UINT32 Index\r | |
| 5749 | );\r | |
| 5750 | \r | |
| 5751 | \r | |
| 5752 | /**\r | |
| 5753 | Writes a 64-bit value to a Machine Specific Register(MSR), and returns the\r | |
| 5754 | value.\r | |
| 5755 | \r | |
| 5756 | Writes the 64-bit value specified by Value to the MSR specified by Index. The\r | |
| 5757 | 64-bit value written to the MSR is returned. No parameter checking is\r | |
| 5758 | performed on Index or Value, and some of these may cause CPU exceptions. The\r | |
| 5759 | caller must either guarantee that Index and Value are valid, or the caller\r | |
| 5760 | must establish proper exception handlers. This function is only available on\r | |
| 030cd1a2 | 5761 | IA-32 and x64.\r |
| ac644614 | 5762 | \r |
| 5763 | @param Index The 32-bit MSR index to write.\r | |
| 5764 | @param Value The 64-bit value to write to the MSR.\r | |
| 5765 | \r | |
| 5766 | @return Value\r | |
| 5767 | \r | |
| 5768 | **/\r | |
| 5769 | UINT64\r | |
| 5770 | EFIAPI\r | |
| 5771 | AsmWriteMsr64 (\r | |
| 5772 | IN UINT32 Index,\r | |
| 5773 | IN UINT64 Value\r | |
| 5774 | );\r | |
| 5775 | \r | |
| 5776 | \r | |
| 5777 | /**\r | |
| 62991af2 | 5778 | Reads a 64-bit MSR, performs a bitwise OR, and writes the result\r |
| ac644614 | 5779 | back to the 64-bit MSR.\r |
| 5780 | \r | |
| 62991af2 | 5781 | Reads the 64-bit MSR specified by Index, performs a bitwise OR\r |
| ac644614 | 5782 | between the read result and the value specified by OrData, and writes the\r |
| 5783 | result to the 64-bit MSR specified by Index. The value written to the MSR is\r | |
| 5784 | returned. No parameter checking is performed on Index or OrData, and some of\r | |
| 5785 | these may cause CPU exceptions. The caller must either guarantee that Index\r | |
| 5786 | and OrData are valid, or the caller must establish proper exception handlers.\r | |
| 030cd1a2 | 5787 | This function is only available on IA-32 and x64.\r |
| ac644614 | 5788 | \r |
| 5789 | @param Index The 32-bit MSR index to write.\r | |
| 5790 | @param OrData The value to OR with the read value from the MSR.\r | |
| 5791 | \r | |
| 5792 | @return The value written back to the MSR.\r | |
| 5793 | \r | |
| 5794 | **/\r | |
| 5795 | UINT64\r | |
| 5796 | EFIAPI\r | |
| 5797 | AsmMsrOr64 (\r | |
| 5798 | IN UINT32 Index,\r | |
| 5799 | IN UINT64 OrData\r | |
| 5800 | );\r | |
| 5801 | \r | |
| 5802 | \r | |
| 5803 | /**\r | |
| 5804 | Reads a 64-bit MSR, performs a bitwise AND, and writes the result back to the\r | |
| 5805 | 64-bit MSR.\r | |
| 5806 | \r | |
| 5807 | Reads the 64-bit MSR specified by Index, performs a bitwise AND between the\r | |
| 5808 | read result and the value specified by OrData, and writes the result to the\r | |
| 5809 | 64-bit MSR specified by Index. The value written to the MSR is returned. No\r | |
| 5810 | parameter checking is performed on Index or OrData, and some of these may\r | |
| 5811 | cause CPU exceptions. The caller must either guarantee that Index and OrData\r | |
| 5812 | are valid, or the caller must establish proper exception handlers. This\r | |
| 030cd1a2 | 5813 | function is only available on IA-32 and x64.\r |
| ac644614 | 5814 | \r |
| 5815 | @param Index The 32-bit MSR index to write.\r | |
| 5816 | @param AndData The value to AND with the read value from the MSR.\r | |
| 5817 | \r | |
| 5818 | @return The value written back to the MSR.\r | |
| 5819 | \r | |
| 5820 | **/\r | |
| 5821 | UINT64\r | |
| 5822 | EFIAPI\r | |
| 5823 | AsmMsrAnd64 (\r | |
| 5824 | IN UINT32 Index,\r | |
| 5825 | IN UINT64 AndData\r | |
| 5826 | );\r | |
| 5827 | \r | |
| 5828 | \r | |
| 5829 | /**\r | |
| 9095d37b | 5830 | Reads a 64-bit MSR, performs a bitwise AND followed by a bitwise\r |
| ac644614 | 5831 | OR, and writes the result back to the 64-bit MSR.\r |
| 5832 | \r | |
| 5833 | Reads the 64-bit MSR specified by Index, performs a bitwise AND between read\r | |
| 62991af2 | 5834 | result and the value specified by AndData, performs a bitwise OR\r |
| ac644614 | 5835 | between the result of the AND operation and the value specified by OrData,\r |
| 5836 | and writes the result to the 64-bit MSR specified by Index. The value written\r | |
| 5837 | to the MSR is returned. No parameter checking is performed on Index, AndData,\r | |
| 5838 | or OrData, and some of these may cause CPU exceptions. The caller must either\r | |
| 5839 | guarantee that Index, AndData, and OrData are valid, or the caller must\r | |
| 5840 | establish proper exception handlers. This function is only available on IA-32\r | |
| 030cd1a2 | 5841 | and x64.\r |
| ac644614 | 5842 | \r |
| 5843 | @param Index The 32-bit MSR index to write.\r | |
| 5844 | @param AndData The value to AND with the read value from the MSR.\r | |
| 5845 | @param OrData The value to OR with the result of the AND operation.\r | |
| 5846 | \r | |
| 5847 | @return The value written back to the MSR.\r | |
| 5848 | \r | |
| 5849 | **/\r | |
| 5850 | UINT64\r | |
| 5851 | EFIAPI\r | |
| 5852 | AsmMsrAndThenOr64 (\r | |
| 5853 | IN UINT32 Index,\r | |
| 5854 | IN UINT64 AndData,\r | |
| 5855 | IN UINT64 OrData\r | |
| 5856 | );\r | |
| 5857 | \r | |
| 5858 | \r | |
| 5859 | /**\r | |
| 5860 | Reads a bit field of an MSR.\r | |
| 5861 | \r | |
| 5862 | Reads the bit field in the 64-bit MSR. The bit field is specified by the\r | |
| 5863 | StartBit and the EndBit. The value of the bit field is returned. The caller\r | |
| 5864 | must either guarantee that Index is valid, or the caller must set up\r | |
| 5865 | exception handlers to catch the exceptions. This function is only available\r | |
| 030cd1a2 | 5866 | on IA-32 and x64.\r |
| ac644614 | 5867 | \r |
| 5868 | If StartBit is greater than 63, then ASSERT().\r | |
| 5869 | If EndBit is greater than 63, then ASSERT().\r | |
| 5870 | If EndBit is less than StartBit, then ASSERT().\r | |
| 5871 | \r | |
| 5872 | @param Index The 32-bit MSR index to read.\r | |
| 5873 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 5874 | Range 0..63.\r | |
| 5875 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 5876 | Range 0..63.\r | |
| 5877 | \r | |
| 5878 | @return The value read from the MSR.\r | |
| 5879 | \r | |
| 5880 | **/\r | |
| 5881 | UINT64\r | |
| 5882 | EFIAPI\r | |
| 5883 | AsmMsrBitFieldRead64 (\r | |
| 5884 | IN UINT32 Index,\r | |
| 5885 | IN UINTN StartBit,\r | |
| 5886 | IN UINTN EndBit\r | |
| 5887 | );\r | |
| 5888 | \r | |
| 5889 | \r | |
| 5890 | /**\r | |
| 5891 | Writes a bit field to an MSR.\r | |
| 5892 | \r | |
| 5893 | Writes Value to a bit field in a 64-bit MSR. The bit field is specified by\r | |
| 5894 | the StartBit and the EndBit. All other bits in the destination MSR are\r | |
| 9095d37b LG |
5895 | preserved. The MSR written is returned. The caller must either guarantee\r |
| 5896 | that Index and the data written is valid, or the caller must set up exception\r | |
| 62991af2 | 5897 | handlers to catch the exceptions. This function is only available on IA-32 and x64.\r |
| ac644614 | 5898 | \r |
| 5899 | If StartBit is greater than 63, then ASSERT().\r | |
| 5900 | If EndBit is greater than 63, then ASSERT().\r | |
| 5901 | If EndBit is less than StartBit, then ASSERT().\r | |
| 94952554 | 5902 | If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
| ac644614 | 5903 | \r |
| 5904 | @param Index The 32-bit MSR index to write.\r | |
| 5905 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 5906 | Range 0..63.\r | |
| 5907 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 5908 | Range 0..63.\r | |
| 5909 | @param Value New value of the bit field.\r | |
| 5910 | \r | |
| 5911 | @return The value written back to the MSR.\r | |
| 5912 | \r | |
| 5913 | **/\r | |
| 5914 | UINT64\r | |
| 5915 | EFIAPI\r | |
| 5916 | AsmMsrBitFieldWrite64 (\r | |
| 5917 | IN UINT32 Index,\r | |
| 5918 | IN UINTN StartBit,\r | |
| 5919 | IN UINTN EndBit,\r | |
| 5920 | IN UINT64 Value\r | |
| 5921 | );\r | |
| 5922 | \r | |
| 5923 | \r | |
| 5924 | /**\r | |
| 62991af2 | 5925 | Reads a bit field in a 64-bit MSR, performs a bitwise OR, and\r |
| ac644614 | 5926 | writes the result back to the bit field in the 64-bit MSR.\r |
| 5927 | \r | |
| 62991af2 | 5928 | Reads the 64-bit MSR specified by Index, performs a bitwise OR\r |
| ac644614 | 5929 | between the read result and the value specified by OrData, and writes the\r |
| 5930 | result to the 64-bit MSR specified by Index. The value written to the MSR is\r | |
| 5931 | returned. Extra left bits in OrData are stripped. The caller must either\r | |
| 5932 | guarantee that Index and the data written is valid, or the caller must set up\r | |
| 5933 | exception handlers to catch the exceptions. This function is only available\r | |
| 030cd1a2 | 5934 | on IA-32 and x64.\r |
| ac644614 | 5935 | \r |
| 5936 | If StartBit is greater than 63, then ASSERT().\r | |
| 5937 | If EndBit is greater than 63, then ASSERT().\r | |
| 5938 | If EndBit is less than StartBit, then ASSERT().\r | |
| 94952554 | 5939 | If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
| ac644614 | 5940 | \r |
| 5941 | @param Index The 32-bit MSR index to write.\r | |
| 5942 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 5943 | Range 0..63.\r | |
| 5944 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 5945 | Range 0..63.\r | |
| 5946 | @param OrData The value to OR with the read value from the bit field.\r | |
| 5947 | \r | |
| 5948 | @return The value written back to the MSR.\r | |
| 5949 | \r | |
| 5950 | **/\r | |
| 5951 | UINT64\r | |
| 5952 | EFIAPI\r | |
| 5953 | AsmMsrBitFieldOr64 (\r | |
| 5954 | IN UINT32 Index,\r | |
| 5955 | IN UINTN StartBit,\r | |
| 5956 | IN UINTN EndBit,\r | |
| 5957 | IN UINT64 OrData\r | |
| 5958 | );\r | |
| 5959 | \r | |
| 5960 | \r | |
| 5961 | /**\r | |
| 5962 | Reads a bit field in a 64-bit MSR, performs a bitwise AND, and writes the\r | |
| 5963 | result back to the bit field in the 64-bit MSR.\r | |
| 5964 | \r | |
| 5965 | Reads the 64-bit MSR specified by Index, performs a bitwise AND between the\r | |
| 5966 | read result and the value specified by AndData, and writes the result to the\r | |
| 5967 | 64-bit MSR specified by Index. The value written to the MSR is returned.\r | |
| 5968 | Extra left bits in AndData are stripped. The caller must either guarantee\r | |
| 5969 | that Index and the data written is valid, or the caller must set up exception\r | |
| 5970 | handlers to catch the exceptions. This function is only available on IA-32\r | |
| 030cd1a2 | 5971 | and x64.\r |
| ac644614 | 5972 | \r |
| 5973 | If StartBit is greater than 63, then ASSERT().\r | |
| 5974 | If EndBit is greater than 63, then ASSERT().\r | |
| 5975 | If EndBit is less than StartBit, then ASSERT().\r | |
| 94952554 | 5976 | If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
| ac644614 | 5977 | \r |
| 5978 | @param Index The 32-bit MSR index to write.\r | |
| 5979 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 5980 | Range 0..63.\r | |
| 5981 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 5982 | Range 0..63.\r | |
| 5983 | @param AndData The value to AND with the read value from the bit field.\r | |
| 5984 | \r | |
| 5985 | @return The value written back to the MSR.\r | |
| 5986 | \r | |
| 5987 | **/\r | |
| 5988 | UINT64\r | |
| 5989 | EFIAPI\r | |
| 5990 | AsmMsrBitFieldAnd64 (\r | |
| 5991 | IN UINT32 Index,\r | |
| 5992 | IN UINTN StartBit,\r | |
| 5993 | IN UINTN EndBit,\r | |
| 5994 | IN UINT64 AndData\r | |
| 5995 | );\r | |
| 5996 | \r | |
| 5997 | \r | |
| 5998 | /**\r | |
| 5999 | Reads a bit field in a 64-bit MSR, performs a bitwise AND followed by a\r | |
| 62991af2 | 6000 | bitwise OR, and writes the result back to the bit field in the\r |
| ac644614 | 6001 | 64-bit MSR.\r |
| 6002 | \r | |
| 6003 | Reads the 64-bit MSR specified by Index, performs a bitwise AND followed by\r | |
| 62991af2 | 6004 | a bitwise OR between the read result and the value specified by\r |
| ac644614 | 6005 | AndData, and writes the result to the 64-bit MSR specified by Index. The\r |
| 6006 | value written to the MSR is returned. Extra left bits in both AndData and\r | |
| 6007 | OrData are stripped. The caller must either guarantee that Index and the data\r | |
| 6008 | written is valid, or the caller must set up exception handlers to catch the\r | |
| 030cd1a2 | 6009 | exceptions. This function is only available on IA-32 and x64.\r |
| ac644614 | 6010 | \r |
| 6011 | If StartBit is greater than 63, then ASSERT().\r | |
| 6012 | If EndBit is greater than 63, then ASSERT().\r | |
| 6013 | If EndBit is less than StartBit, then ASSERT().\r | |
| 94952554 LG |
6014 | If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r |
| 6015 | If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r | |
| ac644614 | 6016 | \r |
| 6017 | @param Index The 32-bit MSR index to write.\r | |
| 6018 | @param StartBit The ordinal of the least significant bit in the bit field.\r | |
| 6019 | Range 0..63.\r | |
| 6020 | @param EndBit The ordinal of the most significant bit in the bit field.\r | |
| 6021 | Range 0..63.\r | |
| 6022 | @param AndData The value to AND with the read value from the bit field.\r | |
| 6023 | @param OrData The value to OR with the result of the AND operation.\r | |
| 6024 | \r | |
| 6025 | @return The value written back to the MSR.\r | |
| 6026 | \r | |
| 6027 | **/\r | |
| 6028 | UINT64\r | |
| 6029 | EFIAPI\r | |
| 6030 | AsmMsrBitFieldAndThenOr64 (\r | |
| 6031 | IN UINT32 Index,\r | |
| 6032 | IN UINTN StartBit,\r | |
| 6033 | IN UINTN EndBit,\r | |
| 6034 | IN UINT64 AndData,\r | |
| 6035 | IN UINT64 OrData\r | |
| 6036 | );\r | |
| 6037 | \r | |
| 6038 | \r | |
| 6039 | /**\r | |
| 6040 | Reads the current value of the EFLAGS register.\r | |
| 6041 | \r | |
| 6042 | Reads and returns the current value of the EFLAGS register. This function is\r | |
| 030cd1a2 | 6043 | only available on IA-32 and x64. This returns a 32-bit value on IA-32 and a\r |
| 6044 | 64-bit value on x64.\r | |
| ac644614 | 6045 | \r |
| 030cd1a2 | 6046 | @return EFLAGS on IA-32 or RFLAGS on x64.\r |
| ac644614 | 6047 | \r |
| 6048 | **/\r | |
| 6049 | UINTN\r | |
| 6050 | EFIAPI\r | |
| 6051 | AsmReadEflags (\r | |
| 6052 | VOID\r | |
| 6053 | );\r | |
| 6054 | \r | |
| 6055 | \r | |
| 6056 | /**\r | |
| 6057 | Reads the current value of the Control Register 0 (CR0).\r | |
| 6058 | \r | |
| 6059 | Reads and returns the current value of CR0. This function is only available\r | |
| 030cd1a2 | 6060 | on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on\r |
| 6061 | x64.\r | |
| ac644614 | 6062 | \r |
| 6063 | @return The value of the Control Register 0 (CR0).\r | |
| 6064 | \r | |
| 6065 | **/\r | |
| 6066 | UINTN\r | |
| 6067 | EFIAPI\r | |
| 6068 | AsmReadCr0 (\r | |
| 6069 | VOID\r | |
| 6070 | );\r | |
| 6071 | \r | |
| 6072 | \r | |
| 6073 | /**\r | |
| 6074 | Reads the current value of the Control Register 2 (CR2).\r | |
| 6075 | \r | |
| 6076 | Reads and returns the current value of CR2. This function is only available\r | |
| 030cd1a2 | 6077 | on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on\r |
| 6078 | x64.\r | |
| ac644614 | 6079 | \r |
| 6080 | @return The value of the Control Register 2 (CR2).\r | |
| 6081 | \r | |
| 6082 | **/\r | |
| 6083 | UINTN\r | |
| 6084 | EFIAPI\r | |
| 6085 | AsmReadCr2 (\r | |
| 6086 | VOID\r | |
| 6087 | );\r | |
| 6088 | \r | |
| 6089 | \r | |
| 6090 | /**\r | |
| 6091 | Reads the current value of the Control Register 3 (CR3).\r | |
| 6092 | \r | |
| 6093 | Reads and returns the current value of CR3. This function is only available\r | |
| 030cd1a2 | 6094 | on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on\r |
| 6095 | x64.\r | |
| ac644614 | 6096 | \r |
| 6097 | @return The value of the Control Register 3 (CR3).\r | |
| 6098 | \r | |
| 6099 | **/\r | |
| 6100 | UINTN\r | |
| 6101 | EFIAPI\r | |
| 6102 | AsmReadCr3 (\r | |
| 6103 | VOID\r | |
| 6104 | );\r | |
| 6105 | \r | |
| 6106 | \r | |
| 6107 | /**\r | |
| 6108 | Reads the current value of the Control Register 4 (CR4).\r | |
| 6109 | \r | |
| 6110 | Reads and returns the current value of CR4. This function is only available\r | |
| 030cd1a2 | 6111 | on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on\r |
| 6112 | x64.\r | |
| ac644614 | 6113 | \r |
| 6114 | @return The value of the Control Register 4 (CR4).\r | |
| 6115 | \r | |
| 6116 | **/\r | |
| 6117 | UINTN\r | |
| 6118 | EFIAPI\r | |
| 6119 | AsmReadCr4 (\r | |
| 6120 | VOID\r | |
| 6121 | );\r | |
| 6122 | \r | |
| 6123 | \r | |
| 6124 | /**\r | |
| 6125 | Writes a value to Control Register 0 (CR0).\r | |
| 6126 | \r | |
| 6127 | Writes and returns a new value to CR0. This function is only available on\r | |
| 030cd1a2 | 6128 | IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64.\r |
| ac644614 | 6129 | \r |
| 6130 | @param Cr0 The value to write to CR0.\r | |
| 6131 | \r | |
| 6132 | @return The value written to CR0.\r | |
| 6133 | \r | |
| 6134 | **/\r | |
| 6135 | UINTN\r | |
| 6136 | EFIAPI\r | |
| 6137 | AsmWriteCr0 (\r | |
| 6138 | UINTN Cr0\r | |
| 6139 | );\r | |
| 6140 | \r | |
| 6141 | \r | |
| 6142 | /**\r | |
| 6143 | Writes a value to Control Register 2 (CR2).\r | |
| 6144 | \r | |
| 6145 | Writes and returns a new value to CR2. This function is only available on\r | |
| 030cd1a2 | 6146 | IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64.\r |
| ac644614 | 6147 | \r |
| 6148 | @param Cr2 The value to write to CR2.\r | |
| 6149 | \r | |
| 6150 | @return The value written to CR2.\r | |
| 6151 | \r | |
| 6152 | **/\r | |
| 6153 | UINTN\r | |
| 6154 | EFIAPI\r | |
| 6155 | AsmWriteCr2 (\r | |
| 6156 | UINTN Cr2\r | |
| 6157 | );\r | |
| 6158 | \r | |
| 6159 | \r | |
| 6160 | /**\r | |
| 6161 | Writes a value to Control Register 3 (CR3).\r | |
| 6162 | \r | |
| 6163 | Writes and returns a new value to CR3. This function is only available on\r | |
| 030cd1a2 | 6164 | IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64.\r |
| ac644614 | 6165 | \r |
| 6166 | @param Cr3 The value to write to CR3.\r | |
| 6167 | \r | |
| 6168 | @return The value written to CR3.\r | |
| 6169 | \r | |
| 6170 | **/\r | |
| 6171 | UINTN\r | |
| 6172 | EFIAPI\r | |
| 6173 | AsmWriteCr3 (\r | |
| 6174 | UINTN Cr3\r | |
| 6175 | );\r | |
| 6176 | \r | |
| 6177 | \r | |
| 6178 | /**\r | |
| 6179 | Writes a value to Control Register 4 (CR4).\r | |
| 6180 | \r | |
| 6181 | Writes and returns a new value to CR4. This function is only available on\r | |
| 030cd1a2 | 6182 | IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64.\r |
| ac644614 | 6183 | \r |
| 6184 | @param Cr4 The value to write to CR4.\r | |
| 6185 | \r | |
| 6186 | @return The value written to CR4.\r | |
| 6187 | \r | |
| 6188 | **/\r | |
| 6189 | UINTN\r | |
| 6190 | EFIAPI\r | |
| 6191 | AsmWriteCr4 (\r | |
| 6192 | UINTN Cr4\r | |
| 6193 | );\r | |
| 6194 | \r | |
| 6195 | \r | |
| 6196 | /**\r | |
| 6197 | Reads the current value of Debug Register 0 (DR0).\r | |
| 6198 | \r | |
| 6199 | Reads and returns the current value of DR0. This function is only available\r | |
| 030cd1a2 | 6200 | on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on\r |
| 6201 | x64.\r | |
| ac644614 | 6202 | \r |
| 6203 | @return The value of Debug Register 0 (DR0).\r | |
| 6204 | \r | |
| 6205 | **/\r | |
| 6206 | UINTN\r | |
| 6207 | EFIAPI\r | |
| 6208 | AsmReadDr0 (\r | |
| 6209 | VOID\r | |
| 6210 | );\r | |
| 6211 | \r | |
| 6212 | \r | |
| 6213 | /**\r | |
| 6214 | Reads the current value of Debug Register 1 (DR1).\r | |
| 6215 | \r | |
| 6216 | Reads and returns the current value of DR1. This function is only available\r | |
| 030cd1a2 | 6217 | on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on\r |
| 6218 | x64.\r | |
| ac644614 | 6219 | \r |
| 6220 | @return The value of Debug Register 1 (DR1).\r | |
| 6221 | \r | |
| 6222 | **/\r | |
| 6223 | UINTN\r | |
| 6224 | EFIAPI\r | |
| 6225 | AsmReadDr1 (\r | |
| 6226 | VOID\r | |
| 6227 | );\r | |
| 6228 | \r | |
| 6229 | \r | |
| 6230 | /**\r | |
| 6231 | Reads the current value of Debug Register 2 (DR2).\r | |
| 6232 | \r | |
| 6233 | Reads and returns the current value of DR2. This function is only available\r | |
| 030cd1a2 | 6234 | on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on\r |
| 6235 | x64.\r | |
| ac644614 | 6236 | \r |
| 6237 | @return The value of Debug Register 2 (DR2).\r | |
| 6238 | \r | |
| 6239 | **/\r | |
| 6240 | UINTN\r | |
| 6241 | EFIAPI\r | |
| 6242 | AsmReadDr2 (\r | |
| 6243 | VOID\r | |
| 6244 | );\r | |
| 6245 | \r | |
| 6246 | \r | |
| 6247 | /**\r | |
| 6248 | Reads the current value of Debug Register 3 (DR3).\r | |
| 6249 | \r | |
| 6250 | Reads and returns the current value of DR3. This function is only available\r | |
| 030cd1a2 | 6251 | on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on\r |
| 6252 | x64.\r | |
| ac644614 | 6253 | \r |
| 6254 | @return The value of Debug Register 3 (DR3).\r | |
| 6255 | \r | |
| 6256 | **/\r | |
| 6257 | UINTN\r | |
| 6258 | EFIAPI\r | |
| 6259 | AsmReadDr3 (\r | |
| 6260 | VOID\r | |
| 6261 | );\r | |
| 6262 | \r | |
| 6263 | \r | |
| 6264 | /**\r | |
| 6265 | Reads the current value of Debug Register 4 (DR4).\r | |
| 6266 | \r | |
| 6267 | Reads and returns the current value of DR4. This function is only available\r | |
| 030cd1a2 | 6268 | on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on\r |
| 6269 | x64.\r | |
| ac644614 | 6270 | \r |
| 6271 | @return The value of Debug Register 4 (DR4).\r | |
| 6272 | \r | |
| 6273 | **/\r | |
| 6274 | UINTN\r | |
| 6275 | EFIAPI\r | |
| 6276 | AsmReadDr4 (\r | |
| 6277 | VOID\r | |
| 6278 | );\r | |
| 6279 | \r | |
| 6280 | \r | |
| 6281 | /**\r | |
| 6282 | Reads the current value of Debug Register 5 (DR5).\r | |
| 6283 | \r | |
| 6284 | Reads and returns the current value of DR5. This function is only available\r | |
| 030cd1a2 | 6285 | on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on\r |
| 6286 | x64.\r | |
| ac644614 | 6287 | \r |
| 6288 | @return The value of Debug Register 5 (DR5).\r | |
| 6289 | \r | |
| 6290 | **/\r | |
| 6291 | UINTN\r | |
| 6292 | EFIAPI\r | |
| 6293 | AsmReadDr5 (\r | |
| 6294 | VOID\r | |
| 6295 | );\r | |
| 6296 | \r | |
| 6297 | \r | |
| 6298 | /**\r | |
| 6299 | Reads the current value of Debug Register 6 (DR6).\r | |
| 6300 | \r | |
| 6301 | Reads and returns the current value of DR6. This function is only available\r | |
| 030cd1a2 | 6302 | on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on\r |
| 6303 | x64.\r | |
| ac644614 | 6304 | \r |
| 6305 | @return The value of Debug Register 6 (DR6).\r | |
| 6306 | \r | |
| 6307 | **/\r | |
| 6308 | UINTN\r | |
| 6309 | EFIAPI\r | |
| 6310 | AsmReadDr6 (\r | |
| 6311 | VOID\r | |
| 6312 | );\r | |
| 6313 | \r | |
| 6314 | \r | |
| 6315 | /**\r | |
| 6316 | Reads the current value of Debug Register 7 (DR7).\r | |
| 6317 | \r | |
| 6318 | Reads and returns the current value of DR7. This function is only available\r | |
| 030cd1a2 | 6319 | on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on\r |
| 6320 | x64.\r | |
| ac644614 | 6321 | \r |
| 6322 | @return The value of Debug Register 7 (DR7).\r | |
| 6323 | \r | |
| 6324 | **/\r | |
| 6325 | UINTN\r | |
| 6326 | EFIAPI\r | |
| 6327 | AsmReadDr7 (\r | |
| 6328 | VOID\r | |
| 6329 | );\r | |
| 6330 | \r | |
| 6331 | \r | |
| 6332 | /**\r | |
| 6333 | Writes a value to Debug Register 0 (DR0).\r | |
| 6334 | \r | |
| 6335 | Writes and returns a new value to DR0. This function is only available on\r | |
| 030cd1a2 | 6336 | IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64.\r |
| ac644614 | 6337 | \r |
| 6338 | @param Dr0 The value to write to Dr0.\r | |
| 6339 | \r | |
| 6340 | @return The value written to Debug Register 0 (DR0).\r | |
| 6341 | \r | |
| 6342 | **/\r | |
| 6343 | UINTN\r | |
| 6344 | EFIAPI\r | |
| 6345 | AsmWriteDr0 (\r | |
| 6346 | UINTN Dr0\r | |
| 6347 | );\r | |
| 6348 | \r | |
| 6349 | \r | |
| 6350 | /**\r | |
| 6351 | Writes a value to Debug Register 1 (DR1).\r | |
| 6352 | \r | |
| 6353 | Writes and returns a new value to DR1. This function is only available on\r | |
| 030cd1a2 | 6354 | IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64.\r |
| ac644614 | 6355 | \r |
| 6356 | @param Dr1 The value to write to Dr1.\r | |
| 6357 | \r | |
| 6358 | @return The value written to Debug Register 1 (DR1).\r | |
| 6359 | \r | |
| 6360 | **/\r | |
| 6361 | UINTN\r | |
| 6362 | EFIAPI\r | |
| 6363 | AsmWriteDr1 (\r | |
| 6364 | UINTN Dr1\r | |
| 6365 | );\r | |
| 6366 | \r | |
| 6367 | \r | |
| 6368 | /**\r | |
| 6369 | Writes a value to Debug Register 2 (DR2).\r | |
| 6370 | \r | |
| 6371 | Writes and returns a new value to DR2. This function is only available on\r | |
| 030cd1a2 | 6372 | IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64.\r |
| ac644614 | 6373 | \r |
| 6374 | @param Dr2 The value to write to Dr2.\r | |
| 6375 | \r | |
| 6376 | @return The value written to Debug Register 2 (DR2).\r | |
| 6377 | \r | |
| 6378 | **/\r | |
| 6379 | UINTN\r | |
| 6380 | EFIAPI\r | |
| 6381 | AsmWriteDr2 (\r | |
| 6382 | UINTN Dr2\r | |
| 6383 | );\r | |
| 6384 | \r | |
| 6385 | \r | |
| 6386 | /**\r | |
| 6387 | Writes a value to Debug Register 3 (DR3).\r | |
| 6388 | \r | |
| 6389 | Writes and returns a new value to DR3. This function is only available on\r | |
| 030cd1a2 | 6390 | IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64.\r |
| ac644614 | 6391 | \r |
| 6392 | @param Dr3 The value to write to Dr3.\r | |
| 6393 | \r | |
| 6394 | @return The value written to Debug Register 3 (DR3).\r | |
| 6395 | \r | |
| 6396 | **/\r | |
| 6397 | UINTN\r | |
| 6398 | EFIAPI\r | |
| 6399 | AsmWriteDr3 (\r | |
| 6400 | UINTN Dr3\r | |
| 6401 | );\r | |
| 6402 | \r | |
| 6403 | \r | |
| 6404 | /**\r | |
| 6405 | Writes a value to Debug Register 4 (DR4).\r | |
| 6406 | \r | |
| 6407 | Writes and returns a new value to DR4. This function is only available on\r | |
| 030cd1a2 | 6408 | IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64.\r |
| ac644614 | 6409 | \r |
| 6410 | @param Dr4 The value to write to Dr4.\r | |
| 6411 | \r | |
| 6412 | @return The value written to Debug Register 4 (DR4).\r | |
| 6413 | \r | |
| 6414 | **/\r | |
| 6415 | UINTN\r | |
| 6416 | EFIAPI\r | |
| 6417 | AsmWriteDr4 (\r | |
| 6418 | UINTN Dr4\r | |
| 6419 | );\r | |
| 6420 | \r | |
| 6421 | \r | |
| 6422 | /**\r | |
| 6423 | Writes a value to Debug Register 5 (DR5).\r | |
| 6424 | \r | |
| 6425 | Writes and returns a new value to DR5. This function is only available on\r | |
| 030cd1a2 | 6426 | IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64.\r |
| ac644614 | 6427 | \r |
| 6428 | @param Dr5 The value to write to Dr5.\r | |
| 6429 | \r | |
| 6430 | @return The value written to Debug Register 5 (DR5).\r | |
| 6431 | \r | |
| 6432 | **/\r | |
| 6433 | UINTN\r | |
| 6434 | EFIAPI\r | |
| 6435 | AsmWriteDr5 (\r | |
| 6436 | UINTN Dr5\r | |
| 6437 | );\r | |
| 6438 | \r | |
| 6439 | \r | |
| 6440 | /**\r | |
| 6441 | Writes a value to Debug Register 6 (DR6).\r | |
| 6442 | \r | |
| 6443 | Writes and returns a new value to DR6. This function is only available on\r | |
| 030cd1a2 | 6444 | IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64.\r |
| ac644614 | 6445 | \r |
| 6446 | @param Dr6 The value to write to Dr6.\r | |
| 6447 | \r | |
| 6448 | @return The value written to Debug Register 6 (DR6).\r | |
| 6449 | \r | |
| 6450 | **/\r | |
| 6451 | UINTN\r | |
| 6452 | EFIAPI\r | |
| 6453 | AsmWriteDr6 (\r | |
| 6454 | UINTN Dr6\r | |
| 6455 | );\r | |
| 6456 | \r | |
| 6457 | \r | |
| 6458 | /**\r | |
| 6459 | Writes a value to Debug Register 7 (DR7).\r | |
| 6460 | \r | |
| 6461 | Writes and returns a new value to DR7. This function is only available on\r | |
| 030cd1a2 | 6462 | IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64.\r |
| ac644614 | 6463 | \r |
| 6464 | @param Dr7 The value to write to Dr7.\r | |
| 6465 | \r | |
| 6466 | @return The value written to Debug Register 7 (DR7).\r | |
| 6467 | \r | |
| 6468 | **/\r | |
| 6469 | UINTN\r | |
| 6470 | EFIAPI\r | |
| 6471 | AsmWriteDr7 (\r | |
| 6472 | UINTN Dr7\r | |
| 6473 | );\r | |
| 6474 | \r | |
| 6475 | \r | |
| 6476 | /**\r | |
| 6477 | Reads the current value of Code Segment Register (CS).\r | |
| 6478 | \r | |
| 6479 | Reads and returns the current value of CS. This function is only available on\r | |
| 030cd1a2 | 6480 | IA-32 and x64.\r |
| ac644614 | 6481 | \r |
| 6482 | @return The current value of CS.\r | |
| 6483 | \r | |
| 6484 | **/\r | |
| 6485 | UINT16\r | |
| 6486 | EFIAPI\r | |
| 6487 | AsmReadCs (\r | |
| 6488 | VOID\r | |
| 6489 | );\r | |
| 6490 | \r | |
| 6491 | \r | |
| 6492 | /**\r | |
| 6493 | Reads the current value of Data Segment Register (DS).\r | |
| 6494 | \r | |
| 6495 | Reads and returns the current value of DS. This function is only available on\r | |
| 030cd1a2 | 6496 | IA-32 and x64.\r |
| ac644614 | 6497 | \r |
| 6498 | @return The current value of DS.\r | |
| 6499 | \r | |
| 6500 | **/\r | |
| 6501 | UINT16\r | |
| 6502 | EFIAPI\r | |
| 6503 | AsmReadDs (\r | |
| 6504 | VOID\r | |
| 6505 | );\r | |
| 6506 | \r | |
| 6507 | \r | |
| 6508 | /**\r | |
| 6509 | Reads the current value of Extra Segment Register (ES).\r | |
| 6510 | \r | |
| 6511 | Reads and returns the current value of ES. This function is only available on\r | |
| 030cd1a2 | 6512 | IA-32 and x64.\r |
| ac644614 | 6513 | \r |
| 6514 | @return The current value of ES.\r | |
| 6515 | \r | |
| 6516 | **/\r | |
| 6517 | UINT16\r | |
| 6518 | EFIAPI\r | |
| 6519 | AsmReadEs (\r | |
| 6520 | VOID\r | |
| 6521 | );\r | |
| 6522 | \r | |
| 6523 | \r | |
| 6524 | /**\r | |
| 6525 | Reads the current value of FS Data Segment Register (FS).\r | |
| 6526 | \r | |
| 6527 | Reads and returns the current value of FS. This function is only available on\r | |
| 030cd1a2 | 6528 | IA-32 and x64.\r |
| ac644614 | 6529 | \r |
| 6530 | @return The current value of FS.\r | |
| 6531 | \r | |
| 6532 | **/\r | |
| 6533 | UINT16\r | |
| 6534 | EFIAPI\r | |
| 6535 | AsmReadFs (\r | |
| 6536 | VOID\r | |
| 6537 | );\r | |
| 6538 | \r | |
| 6539 | \r | |
| 6540 | /**\r | |
| 6541 | Reads the current value of GS Data Segment Register (GS).\r | |
| 6542 | \r | |
| 6543 | Reads and returns the current value of GS. This function is only available on\r | |
| 030cd1a2 | 6544 | IA-32 and x64.\r |
| ac644614 | 6545 | \r |
| 6546 | @return The current value of GS.\r | |
| 6547 | \r | |
| 6548 | **/\r | |
| 6549 | UINT16\r | |
| 6550 | EFIAPI\r | |
| 6551 | AsmReadGs (\r | |
| 6552 | VOID\r | |
| 6553 | );\r | |
| 6554 | \r | |
| 6555 | \r | |
| 6556 | /**\r | |
| 6557 | Reads the current value of Stack Segment Register (SS).\r | |
| 6558 | \r | |
| 6559 | Reads and returns the current value of SS. This function is only available on\r | |
| 030cd1a2 | 6560 | IA-32 and x64.\r |
| ac644614 | 6561 | \r |
| 6562 | @return The current value of SS.\r | |
| 6563 | \r | |
| 6564 | **/\r | |
| 6565 | UINT16\r | |
| 6566 | EFIAPI\r | |
| 6567 | AsmReadSs (\r | |
| 6568 | VOID\r | |
| 6569 | );\r | |
| 6570 | \r | |
| 6571 | \r | |
| 6572 | /**\r | |
| 6573 | Reads the current value of Task Register (TR).\r | |
| 6574 | \r | |
| 6575 | Reads and returns the current value of TR. This function is only available on\r | |
| 030cd1a2 | 6576 | IA-32 and x64.\r |
| ac644614 | 6577 | \r |
| 6578 | @return The current value of TR.\r | |
| 6579 | \r | |
| 6580 | **/\r | |
| 6581 | UINT16\r | |
| 6582 | EFIAPI\r | |
| 6583 | AsmReadTr (\r | |
| 6584 | VOID\r | |
| 6585 | );\r | |
| 6586 | \r | |
| 6587 | \r | |
| 6588 | /**\r | |
| 6589 | Reads the current Global Descriptor Table Register(GDTR) descriptor.\r | |
| 6590 | \r | |
| 6591 | Reads and returns the current GDTR descriptor and returns it in Gdtr. This\r | |
| 030cd1a2 | 6592 | function is only available on IA-32 and x64.\r |
| ac644614 | 6593 | \r |
| 6594 | If Gdtr is NULL, then ASSERT().\r | |
| 6595 | \r | |
| af2dc6a7 | 6596 | @param Gdtr The pointer to a GDTR descriptor.\r |
| ac644614 | 6597 | \r |
| 6598 | **/\r | |
| 6599 | VOID\r | |
| 6600 | EFIAPI\r | |
| 6601 | AsmReadGdtr (\r | |
| 6602 | OUT IA32_DESCRIPTOR *Gdtr\r | |
| 6603 | );\r | |
| 6604 | \r | |
| 6605 | \r | |
| 6606 | /**\r | |
| 6607 | Writes the current Global Descriptor Table Register (GDTR) descriptor.\r | |
| 6608 | \r | |
| 6609 | Writes and the current GDTR descriptor specified by Gdtr. This function is\r | |
| 030cd1a2 | 6610 | only available on IA-32 and x64.\r |
| ac644614 | 6611 | \r |
| 6612 | If Gdtr is NULL, then ASSERT().\r | |
| 6613 | \r | |
| af2dc6a7 | 6614 | @param Gdtr The pointer to a GDTR descriptor.\r |
| ac644614 | 6615 | \r |
| 6616 | **/\r | |
| 6617 | VOID\r | |
| 6618 | EFIAPI\r | |
| 6619 | AsmWriteGdtr (\r | |
| 6620 | IN CONST IA32_DESCRIPTOR *Gdtr\r | |
| 6621 | );\r | |
| 6622 | \r | |
| 6623 | \r | |
| 6624 | /**\r | |
| 17f695ed | 6625 | Reads the current Interrupt Descriptor Table Register(IDTR) descriptor.\r |
| ac644614 | 6626 | \r |
| 6627 | Reads and returns the current IDTR descriptor and returns it in Idtr. This\r | |
| 030cd1a2 | 6628 | function is only available on IA-32 and x64.\r |
| ac644614 | 6629 | \r |
| 6630 | If Idtr is NULL, then ASSERT().\r | |
| 6631 | \r | |
| af2dc6a7 | 6632 | @param Idtr The pointer to a IDTR descriptor.\r |
| ac644614 | 6633 | \r |
| 6634 | **/\r | |
| 6635 | VOID\r | |
| 6636 | EFIAPI\r | |
| 6637 | AsmReadIdtr (\r | |
| 6638 | OUT IA32_DESCRIPTOR *Idtr\r | |
| 6639 | );\r | |
| 6640 | \r | |
| 6641 | \r | |
| 6642 | /**\r | |
| 17f695ed | 6643 | Writes the current Interrupt Descriptor Table Register(IDTR) descriptor.\r |
| ac644614 | 6644 | \r |
| 6645 | Writes the current IDTR descriptor and returns it in Idtr. This function is\r | |
| 030cd1a2 | 6646 | only available on IA-32 and x64.\r |
| ac644614 | 6647 | \r |
| 6648 | If Idtr is NULL, then ASSERT().\r | |
| 6649 | \r | |
| af2dc6a7 | 6650 | @param Idtr The pointer to a IDTR descriptor.\r |
| ac644614 | 6651 | \r |
| 6652 | **/\r | |
| 6653 | VOID\r | |
| 6654 | EFIAPI\r | |
| 6655 | AsmWriteIdtr (\r | |
| 6656 | IN CONST IA32_DESCRIPTOR *Idtr\r | |
| 6657 | );\r | |
| 6658 | \r | |
| 6659 | \r | |
| 6660 | /**\r | |
| 6661 | Reads the current Local Descriptor Table Register(LDTR) selector.\r | |
| 6662 | \r | |
| 6663 | Reads and returns the current 16-bit LDTR descriptor value. This function is\r | |
| 030cd1a2 | 6664 | only available on IA-32 and x64.\r |
| ac644614 | 6665 | \r |
| 6666 | @return The current selector of LDT.\r | |
| 6667 | \r | |
| 6668 | **/\r | |
| 6669 | UINT16\r | |
| 6670 | EFIAPI\r | |
| 6671 | AsmReadLdtr (\r | |
| 6672 | VOID\r | |
| 6673 | );\r | |
| 6674 | \r | |
| 6675 | \r | |
| 6676 | /**\r | |
| 17f695ed | 6677 | Writes the current Local Descriptor Table Register (LDTR) selector.\r |
| ac644614 | 6678 | \r |
| 6679 | Writes and the current LDTR descriptor specified by Ldtr. This function is\r | |
| 030cd1a2 | 6680 | only available on IA-32 and x64.\r |
| ac644614 | 6681 | \r |
| 6682 | @param Ldtr 16-bit LDTR selector value.\r | |
| 6683 | \r | |
| 6684 | **/\r | |
| 6685 | VOID\r | |
| 6686 | EFIAPI\r | |
| 6687 | AsmWriteLdtr (\r | |
| 6688 | IN UINT16 Ldtr\r | |
| 6689 | );\r | |
| 6690 | \r | |
| 6691 | \r | |
| 6692 | /**\r | |
| 6693 | Save the current floating point/SSE/SSE2 context to a buffer.\r | |
| 6694 | \r | |
| 6695 | Saves the current floating point/SSE/SSE2 state to the buffer specified by\r | |
| 6696 | Buffer. Buffer must be aligned on a 16-byte boundary. This function is only\r | |
| 030cd1a2 | 6697 | available on IA-32 and x64.\r |
| ac644614 | 6698 | \r |
| 6699 | If Buffer is NULL, then ASSERT().\r | |
| 6700 | If Buffer is not aligned on a 16-byte boundary, then ASSERT().\r | |
| 6701 | \r | |
| af2dc6a7 | 6702 | @param Buffer The pointer to a buffer to save the floating point/SSE/SSE2 context.\r |
| ac644614 | 6703 | \r |
| 6704 | **/\r | |
| 6705 | VOID\r | |
| 6706 | EFIAPI\r | |
| 6707 | AsmFxSave (\r | |
| 6708 | OUT IA32_FX_BUFFER *Buffer\r | |
| 6709 | );\r | |
| 6710 | \r | |
| 6711 | \r | |
| 6712 | /**\r | |
| 6713 | Restores the current floating point/SSE/SSE2 context from a buffer.\r | |
| 6714 | \r | |
| 6715 | Restores the current floating point/SSE/SSE2 state from the buffer specified\r | |
| 6716 | by Buffer. Buffer must be aligned on a 16-byte boundary. This function is\r | |
| 030cd1a2 | 6717 | only available on IA-32 and x64.\r |
| ac644614 | 6718 | \r |
| 6719 | If Buffer is NULL, then ASSERT().\r | |
| 6720 | If Buffer is not aligned on a 16-byte boundary, then ASSERT().\r | |
| 6721 | If Buffer was not saved with AsmFxSave(), then ASSERT().\r | |
| 6722 | \r | |
| af2dc6a7 | 6723 | @param Buffer The pointer to a buffer to save the floating point/SSE/SSE2 context.\r |
| ac644614 | 6724 | \r |
| 6725 | **/\r | |
| 6726 | VOID\r | |
| 6727 | EFIAPI\r | |
| 6728 | AsmFxRestore (\r | |
| 6729 | IN CONST IA32_FX_BUFFER *Buffer\r | |
| 6730 | );\r | |
| 6731 | \r | |
| 6732 | \r | |
| 6733 | /**\r | |
| 6734 | Reads the current value of 64-bit MMX Register #0 (MM0).\r | |
| 6735 | \r | |
| 6736 | Reads and returns the current value of MM0. This function is only available\r | |
| 030cd1a2 | 6737 | on IA-32 and x64.\r |
| ac644614 | 6738 | \r |
| 6739 | @return The current value of MM0.\r | |
| 6740 | \r | |
| 6741 | **/\r | |
| 6742 | UINT64\r | |
| 6743 | EFIAPI\r | |
| 6744 | AsmReadMm0 (\r | |
| 6745 | VOID\r | |
| 6746 | );\r | |
| 6747 | \r | |
| 6748 | \r | |
| 6749 | /**\r | |
| 6750 | Reads the current value of 64-bit MMX Register #1 (MM1).\r | |
| 6751 | \r | |
| 6752 | Reads and returns the current value of MM1. This function is only available\r | |
| 030cd1a2 | 6753 | on IA-32 and x64.\r |
| ac644614 | 6754 | \r |
| 6755 | @return The current value of MM1.\r | |
| 6756 | \r | |
| 6757 | **/\r | |
| 6758 | UINT64\r | |
| 6759 | EFIAPI\r | |
| 6760 | AsmReadMm1 (\r | |
| 6761 | VOID\r | |
| 6762 | );\r | |
| 6763 | \r | |
| 6764 | \r | |
| 6765 | /**\r | |
| 6766 | Reads the current value of 64-bit MMX Register #2 (MM2).\r | |
| 6767 | \r | |
| 6768 | Reads and returns the current value of MM2. This function is only available\r | |
| 030cd1a2 | 6769 | on IA-32 and x64.\r |
| ac644614 | 6770 | \r |
| 6771 | @return The current value of MM2.\r | |
| 6772 | \r | |
| 6773 | **/\r | |
| 6774 | UINT64\r | |
| 6775 | EFIAPI\r | |
| 6776 | AsmReadMm2 (\r | |
| 6777 | VOID\r | |
| 6778 | );\r | |
| 6779 | \r | |
| 6780 | \r | |
| 6781 | /**\r | |
| 6782 | Reads the current value of 64-bit MMX Register #3 (MM3).\r | |
| 6783 | \r | |
| 6784 | Reads and returns the current value of MM3. This function is only available\r | |
| 030cd1a2 | 6785 | on IA-32 and x64.\r |
| ac644614 | 6786 | \r |
| 6787 | @return The current value of MM3.\r | |
| 6788 | \r | |
| 6789 | **/\r | |
| 6790 | UINT64\r | |
| 6791 | EFIAPI\r | |
| 6792 | AsmReadMm3 (\r | |
| 6793 | VOID\r | |
| 6794 | );\r | |
| 6795 | \r | |
| 6796 | \r | |
| 6797 | /**\r | |
| 6798 | Reads the current value of 64-bit MMX Register #4 (MM4).\r | |
| 6799 | \r | |
| 6800 | Reads and returns the current value of MM4. This function is only available\r | |
| 030cd1a2 | 6801 | on IA-32 and x64.\r |
| ac644614 | 6802 | \r |
| 6803 | @return The current value of MM4.\r | |
| 6804 | \r | |
| 6805 | **/\r | |
| 6806 | UINT64\r | |
| 6807 | EFIAPI\r | |
| 6808 | AsmReadMm4 (\r | |
| 6809 | VOID\r | |
| 6810 | );\r | |
| 6811 | \r | |
| 6812 | \r | |
| 6813 | /**\r | |
| 6814 | Reads the current value of 64-bit MMX Register #5 (MM5).\r | |
| 6815 | \r | |
| 6816 | Reads and returns the current value of MM5. This function is only available\r | |
| 030cd1a2 | 6817 | on IA-32 and x64.\r |
| ac644614 | 6818 | \r |
| 6819 | @return The current value of MM5.\r | |
| 6820 | \r | |
| 6821 | **/\r | |
| 6822 | UINT64\r | |
| 6823 | EFIAPI\r | |
| 6824 | AsmReadMm5 (\r | |
| 6825 | VOID\r | |
| 6826 | );\r | |
| 6827 | \r | |
| 6828 | \r | |
| 6829 | /**\r | |
| 6830 | Reads the current value of 64-bit MMX Register #6 (MM6).\r | |
| 6831 | \r | |
| 6832 | Reads and returns the current value of MM6. This function is only available\r | |
| 030cd1a2 | 6833 | on IA-32 and x64.\r |
| ac644614 | 6834 | \r |
| 6835 | @return The current value of MM6.\r | |
| 6836 | \r | |
| 6837 | **/\r | |
| 6838 | UINT64\r | |
| 6839 | EFIAPI\r | |
| 6840 | AsmReadMm6 (\r | |
| 6841 | VOID\r | |
| 6842 | );\r | |
| 6843 | \r | |
| 6844 | \r | |
| 6845 | /**\r | |
| 6846 | Reads the current value of 64-bit MMX Register #7 (MM7).\r | |
| 6847 | \r | |
| 6848 | Reads and returns the current value of MM7. This function is only available\r | |
| 030cd1a2 | 6849 | on IA-32 and x64.\r |
| ac644614 | 6850 | \r |
| 6851 | @return The current value of MM7.\r | |
| 6852 | \r | |
| 6853 | **/\r | |
| 6854 | UINT64\r | |
| 6855 | EFIAPI\r | |
| 6856 | AsmReadMm7 (\r | |
| 6857 | VOID\r | |
| 6858 | );\r | |
| 6859 | \r | |
| 6860 | \r | |
| 6861 | /**\r | |
| 6862 | Writes the current value of 64-bit MMX Register #0 (MM0).\r | |
| 6863 | \r | |
| 6864 | Writes the current value of MM0. This function is only available on IA32 and\r | |
| 030cd1a2 | 6865 | x64.\r |
| ac644614 | 6866 | \r |
| 6867 | @param Value The 64-bit value to write to MM0.\r | |
| 6868 | \r | |
| 6869 | **/\r | |
| 6870 | VOID\r | |
| 6871 | EFIAPI\r | |
| 6872 | AsmWriteMm0 (\r | |
| 6873 | IN UINT64 Value\r | |
| 6874 | );\r | |
| 6875 | \r | |
| 6876 | \r | |
| 6877 | /**\r | |
| 6878 | Writes the current value of 64-bit MMX Register #1 (MM1).\r | |
| 6879 | \r | |
| 6880 | Writes the current value of MM1. This function is only available on IA32 and\r | |
| 030cd1a2 | 6881 | x64.\r |
| ac644614 | 6882 | \r |
| 6883 | @param Value The 64-bit value to write to MM1.\r | |
| 6884 | \r | |
| 6885 | **/\r | |
| 6886 | VOID\r | |
| 6887 | EFIAPI\r | |
| 6888 | AsmWriteMm1 (\r | |
| 6889 | IN UINT64 Value\r | |
| 6890 | );\r | |
| 6891 | \r | |
| 6892 | \r | |
| 6893 | /**\r | |
| 6894 | Writes the current value of 64-bit MMX Register #2 (MM2).\r | |
| 6895 | \r | |
| 6896 | Writes the current value of MM2. This function is only available on IA32 and\r | |
| 030cd1a2 | 6897 | x64.\r |
| ac644614 | 6898 | \r |
| 6899 | @param Value The 64-bit value to write to MM2.\r | |
| 6900 | \r | |
| 6901 | **/\r | |
| 6902 | VOID\r | |
| 6903 | EFIAPI\r | |
| 6904 | AsmWriteMm2 (\r | |
| 6905 | IN UINT64 Value\r | |
| 6906 | );\r | |
| 6907 | \r | |
| 6908 | \r | |
| 6909 | /**\r | |
| 6910 | Writes the current value of 64-bit MMX Register #3 (MM3).\r | |
| 6911 | \r | |
| 6912 | Writes the current value of MM3. This function is only available on IA32 and\r | |
| 030cd1a2 | 6913 | x64.\r |
| ac644614 | 6914 | \r |
| 6915 | @param Value The 64-bit value to write to MM3.\r | |
| 6916 | \r | |
| 6917 | **/\r | |
| 6918 | VOID\r | |
| 6919 | EFIAPI\r | |
| 6920 | AsmWriteMm3 (\r | |
| 6921 | IN UINT64 Value\r | |
| 6922 | );\r | |
| 6923 | \r | |
| 6924 | \r | |
| 6925 | /**\r | |
| 6926 | Writes the current value of 64-bit MMX Register #4 (MM4).\r | |
| 6927 | \r | |
| 6928 | Writes the current value of MM4. This function is only available on IA32 and\r | |
| 030cd1a2 | 6929 | x64.\r |
| ac644614 | 6930 | \r |
| 6931 | @param Value The 64-bit value to write to MM4.\r | |
| 6932 | \r | |
| 6933 | **/\r | |
| 6934 | VOID\r | |
| 6935 | EFIAPI\r | |
| 6936 | AsmWriteMm4 (\r | |
| 6937 | IN UINT64 Value\r | |
| 6938 | );\r | |
| 6939 | \r | |
| 6940 | \r | |
| 6941 | /**\r | |
| 6942 | Writes the current value of 64-bit MMX Register #5 (MM5).\r | |
| 6943 | \r | |
| 6944 | Writes the current value of MM5. This function is only available on IA32 and\r | |
| 030cd1a2 | 6945 | x64.\r |
| ac644614 | 6946 | \r |
| 6947 | @param Value The 64-bit value to write to MM5.\r | |
| 6948 | \r | |
| 6949 | **/\r | |
| 6950 | VOID\r | |
| 6951 | EFIAPI\r | |
| 6952 | AsmWriteMm5 (\r | |
| 6953 | IN UINT64 Value\r | |
| 6954 | );\r | |
| 6955 | \r | |
| 6956 | \r | |
| 6957 | /**\r | |
| 6958 | Writes the current value of 64-bit MMX Register #6 (MM6).\r | |
| 6959 | \r | |
| 6960 | Writes the current value of MM6. This function is only available on IA32 and\r | |
| 030cd1a2 | 6961 | x64.\r |
| ac644614 | 6962 | \r |
| 6963 | @param Value The 64-bit value to write to MM6.\r | |
| 6964 | \r | |
| 6965 | **/\r | |
| 6966 | VOID\r | |
| 6967 | EFIAPI\r | |
| 6968 | AsmWriteMm6 (\r | |
| 6969 | IN UINT64 Value\r | |
| 6970 | );\r | |
| 6971 | \r | |
| 6972 | \r | |
| 6973 | /**\r | |
| 6974 | Writes the current value of 64-bit MMX Register #7 (MM7).\r | |
| 6975 | \r | |
| 6976 | Writes the current value of MM7. This function is only available on IA32 and\r | |
| 030cd1a2 | 6977 | x64.\r |
| ac644614 | 6978 | \r |
| 6979 | @param Value The 64-bit value to write to MM7.\r | |
| 6980 | \r | |
| 6981 | **/\r | |
| 6982 | VOID\r | |
| 6983 | EFIAPI\r | |
| 6984 | AsmWriteMm7 (\r | |
| 6985 | IN UINT64 Value\r | |
| 6986 | );\r | |
| 6987 | \r | |
| 6988 | \r | |
| 6989 | /**\r | |
| 6990 | Reads the current value of Time Stamp Counter (TSC).\r | |
| 6991 | \r | |
| 6992 | Reads and returns the current value of TSC. This function is only available\r | |
| 030cd1a2 | 6993 | on IA-32 and x64.\r |
| ac644614 | 6994 | \r |
| 6995 | @return The current value of TSC\r | |
| 6996 | \r | |
| 6997 | **/\r | |
| 6998 | UINT64\r | |
| 6999 | EFIAPI\r | |
| 7000 | AsmReadTsc (\r | |
| 7001 | VOID\r | |
| 7002 | );\r | |
| 7003 | \r | |
| 7004 | \r | |
| 7005 | /**\r | |
| 7006 | Reads the current value of a Performance Counter (PMC).\r | |
| 7007 | \r | |
| 7008 | Reads and returns the current value of performance counter specified by\r | |
| 030cd1a2 | 7009 | Index. This function is only available on IA-32 and x64.\r |
| ac644614 | 7010 | \r |
| 7011 | @param Index The 32-bit Performance Counter index to read.\r | |
| 7012 | \r | |
| 7013 | @return The value of the PMC specified by Index.\r | |
| 7014 | \r | |
| 7015 | **/\r | |
| 7016 | UINT64\r | |
| 7017 | EFIAPI\r | |
| 7018 | AsmReadPmc (\r | |
| 7019 | IN UINT32 Index\r | |
| 7020 | );\r | |
| 7021 | \r | |
| 7022 | \r | |
| 7023 | /**\r | |
| 7024 | Sets up a monitor buffer that is used by AsmMwait().\r | |
| 7025 | \r | |
| 7026 | Executes a MONITOR instruction with the register state specified by Eax, Ecx\r | |
| 030cd1a2 | 7027 | and Edx. Returns Eax. This function is only available on IA-32 and x64.\r |
| ac644614 | 7028 | \r |
| 7029 | @param Eax The value to load into EAX or RAX before executing the MONITOR\r | |
| 7030 | instruction.\r | |
| 7031 | @param Ecx The value to load into ECX or RCX before executing the MONITOR\r | |
| 7032 | instruction.\r | |
| 7033 | @param Edx The value to load into EDX or RDX before executing the MONITOR\r | |
| 7034 | instruction.\r | |
| 7035 | \r | |
| 7036 | @return Eax\r | |
| 7037 | \r | |
| 7038 | **/\r | |
| 7039 | UINTN\r | |
| 7040 | EFIAPI\r | |
| 7041 | AsmMonitor (\r | |
| 7042 | IN UINTN Eax,\r | |
| 7043 | IN UINTN Ecx,\r | |
| 7044 | IN UINTN Edx\r | |
| 7045 | );\r | |
| 7046 | \r | |
| 7047 | \r | |
| 7048 | /**\r | |
| 7049 | Executes an MWAIT instruction.\r | |
| 7050 | \r | |
| 7051 | Executes an MWAIT instruction with the register state specified by Eax and\r | |
| 030cd1a2 | 7052 | Ecx. Returns Eax. This function is only available on IA-32 and x64.\r |
| ac644614 | 7053 | \r |
| 7054 | @param Eax The value to load into EAX or RAX before executing the MONITOR\r | |
| 7055 | instruction.\r | |
| 7056 | @param Ecx The value to load into ECX or RCX before executing the MONITOR\r | |
| 7057 | instruction.\r | |
| 7058 | \r | |
| 7059 | @return Eax\r | |
| 7060 | \r | |
| 7061 | **/\r | |
| 7062 | UINTN\r | |
| 7063 | EFIAPI\r | |
| 7064 | AsmMwait (\r | |
| 7065 | IN UINTN Eax,\r | |
| 7066 | IN UINTN Ecx\r | |
| 7067 | );\r | |
| 7068 | \r | |
| 7069 | \r | |
| 7070 | /**\r | |
| 7071 | Executes a WBINVD instruction.\r | |
| 7072 | \r | |
| 7073 | Executes a WBINVD instruction. This function is only available on IA-32 and\r | |
| 030cd1a2 | 7074 | x64.\r |
| ac644614 | 7075 | \r |
| 7076 | **/\r | |
| 7077 | VOID\r | |
| 7078 | EFIAPI\r | |
| 7079 | AsmWbinvd (\r | |
| 7080 | VOID\r | |
| 7081 | );\r | |
| 7082 | \r | |
| 7083 | \r | |
| 7084 | /**\r | |
| 7085 | Executes a INVD instruction.\r | |
| 7086 | \r | |
| 7087 | Executes a INVD instruction. This function is only available on IA-32 and\r | |
| 030cd1a2 | 7088 | x64.\r |
| ac644614 | 7089 | \r |
| 7090 | **/\r | |
| 7091 | VOID\r | |
| 7092 | EFIAPI\r | |
| 7093 | AsmInvd (\r | |
| 7094 | VOID\r | |
| 7095 | );\r | |
| 7096 | \r | |
| 7097 | \r | |
| 7098 | /**\r | |
| 7099 | Flushes a cache line from all the instruction and data caches within the\r | |
| 7100 | coherency domain of the CPU.\r | |
| 7101 | \r | |
| 7102 | Flushed the cache line specified by LinearAddress, and returns LinearAddress.\r | |
| 030cd1a2 | 7103 | This function is only available on IA-32 and x64.\r |
| ac644614 | 7104 | \r |
| 7105 | @param LinearAddress The address of the cache line to flush. If the CPU is\r | |
| 7106 | in a physical addressing mode, then LinearAddress is a\r | |
| 7107 | physical address. If the CPU is in a virtual\r | |
| 7108 | addressing mode, then LinearAddress is a virtual\r | |
| 7109 | address.\r | |
| 7110 | \r | |
| af2dc6a7 | 7111 | @return LinearAddress.\r |
| ac644614 | 7112 | **/\r |
| 7113 | VOID *\r | |
| 7114 | EFIAPI\r | |
| 7115 | AsmFlushCacheLine (\r | |
| 7116 | IN VOID *LinearAddress\r | |
| 7117 | );\r | |
| 7118 | \r | |
| 7119 | \r | |
| 7120 | /**\r | |
| 7121 | Enables the 32-bit paging mode on the CPU.\r | |
| 7122 | \r | |
| 7123 | Enables the 32-bit paging mode on the CPU. CR0, CR3, CR4, and the page tables\r | |
| 7124 | must be properly initialized prior to calling this service. This function\r | |
| 7125 | assumes the current execution mode is 32-bit protected mode. This function is\r | |
| 7126 | only available on IA-32. After the 32-bit paging mode is enabled, control is\r | |
| 7127 | transferred to the function specified by EntryPoint using the new stack\r | |
| 7128 | specified by NewStack and passing in the parameters specified by Context1 and\r | |
| 7129 | Context2. Context1 and Context2 are optional and may be NULL. The function\r | |
| 7130 | EntryPoint must never return.\r | |
| 7131 | \r | |
| 7132 | If the current execution mode is not 32-bit protected mode, then ASSERT().\r | |
| 7133 | If EntryPoint is NULL, then ASSERT().\r | |
| 7134 | If NewStack is NULL, then ASSERT().\r | |
| 7135 | \r | |
| 7136 | There are a number of constraints that must be followed before calling this\r | |
| 7137 | function:\r | |
| 7138 | 1) Interrupts must be disabled.\r | |
| 7139 | 2) The caller must be in 32-bit protected mode with flat descriptors. This\r | |
| 7140 | means all descriptors must have a base of 0 and a limit of 4GB.\r | |
| 7141 | 3) CR0 and CR4 must be compatible with 32-bit protected mode with flat\r | |
| 7142 | descriptors.\r | |
| 7143 | 4) CR3 must point to valid page tables that will be used once the transition\r | |
| 7144 | is complete, and those page tables must guarantee that the pages for this\r | |
| 7145 | function and the stack are identity mapped.\r | |
| 7146 | \r | |
| 7147 | @param EntryPoint A pointer to function to call with the new stack after\r | |
| 7148 | paging is enabled.\r | |
| 7149 | @param Context1 A pointer to the context to pass into the EntryPoint\r | |
| 7150 | function as the first parameter after paging is enabled.\r | |
| 7151 | @param Context2 A pointer to the context to pass into the EntryPoint\r | |
| 7152 | function as the second parameter after paging is enabled.\r | |
| 7153 | @param NewStack A pointer to the new stack to use for the EntryPoint\r | |
| 7154 | function after paging is enabled.\r | |
| 7155 | \r | |
| 7156 | **/\r | |
| 7157 | VOID\r | |
| 7158 | EFIAPI\r | |
| 7159 | AsmEnablePaging32 (\r | |
| 7160 | IN SWITCH_STACK_ENTRY_POINT EntryPoint,\r | |
| 7161 | IN VOID *Context1, OPTIONAL\r | |
| 7162 | IN VOID *Context2, OPTIONAL\r | |
| 7163 | IN VOID *NewStack\r | |
| 7164 | );\r | |
| 7165 | \r | |
| 7166 | \r | |
| 7167 | /**\r | |
| 7168 | Disables the 32-bit paging mode on the CPU.\r | |
| 7169 | \r | |
| 7170 | Disables the 32-bit paging mode on the CPU and returns to 32-bit protected\r | |
| 7171 | mode. This function assumes the current execution mode is 32-paged protected\r | |
| 7172 | mode. This function is only available on IA-32. After the 32-bit paging mode\r | |
| 7173 | is disabled, control is transferred to the function specified by EntryPoint\r | |
| 7174 | using the new stack specified by NewStack and passing in the parameters\r | |
| 7175 | specified by Context1 and Context2. Context1 and Context2 are optional and\r | |
| 7176 | may be NULL. The function EntryPoint must never return.\r | |
| 7177 | \r | |
| 7178 | If the current execution mode is not 32-bit paged mode, then ASSERT().\r | |
| 7179 | If EntryPoint is NULL, then ASSERT().\r | |
| 7180 | If NewStack is NULL, then ASSERT().\r | |
| 7181 | \r | |
| 7182 | There are a number of constraints that must be followed before calling this\r | |
| 7183 | function:\r | |
| 7184 | 1) Interrupts must be disabled.\r | |
| 7185 | 2) The caller must be in 32-bit paged mode.\r | |
| 7186 | 3) CR0, CR3, and CR4 must be compatible with 32-bit paged mode.\r | |
| 7187 | 4) CR3 must point to valid page tables that guarantee that the pages for\r | |
| 7188 | this function and the stack are identity mapped.\r | |
| 7189 | \r | |
| 7190 | @param EntryPoint A pointer to function to call with the new stack after\r | |
| 7191 | paging is disabled.\r | |
| 7192 | @param Context1 A pointer to the context to pass into the EntryPoint\r | |
| 7193 | function as the first parameter after paging is disabled.\r | |
| 7194 | @param Context2 A pointer to the context to pass into the EntryPoint\r | |
| 7195 | function as the second parameter after paging is\r | |
| 7196 | disabled.\r | |
| 7197 | @param NewStack A pointer to the new stack to use for the EntryPoint\r | |
| 7198 | function after paging is disabled.\r | |
| 7199 | \r | |
| 7200 | **/\r | |
| 7201 | VOID\r | |
| 7202 | EFIAPI\r | |
| 7203 | AsmDisablePaging32 (\r | |
| 7204 | IN SWITCH_STACK_ENTRY_POINT EntryPoint,\r | |
| 7205 | IN VOID *Context1, OPTIONAL\r | |
| 7206 | IN VOID *Context2, OPTIONAL\r | |
| 7207 | IN VOID *NewStack\r | |
| 7208 | );\r | |
| 7209 | \r | |
| 7210 | \r | |
| 7211 | /**\r | |
| 7212 | Enables the 64-bit paging mode on the CPU.\r | |
| 7213 | \r | |
| 7214 | Enables the 64-bit paging mode on the CPU. CR0, CR3, CR4, and the page tables\r | |
| 7215 | must be properly initialized prior to calling this service. This function\r | |
| 7216 | assumes the current execution mode is 32-bit protected mode with flat\r | |
| 7217 | descriptors. This function is only available on IA-32. After the 64-bit\r | |
| 7218 | paging mode is enabled, control is transferred to the function specified by\r | |
| 7219 | EntryPoint using the new stack specified by NewStack and passing in the\r | |
| 7220 | parameters specified by Context1 and Context2. Context1 and Context2 are\r | |
| 7221 | optional and may be 0. The function EntryPoint must never return.\r | |
| 7222 | \r | |
| 7223 | If the current execution mode is not 32-bit protected mode with flat\r | |
| 7224 | descriptors, then ASSERT().\r | |
| 7225 | If EntryPoint is 0, then ASSERT().\r | |
| 7226 | If NewStack is 0, then ASSERT().\r | |
| 7227 | \r | |
| 17f695ed | 7228 | @param Cs The 16-bit selector to load in the CS before EntryPoint\r |
| ac644614 | 7229 | is called. The descriptor in the GDT that this selector\r |
| 7230 | references must be setup for long mode.\r | |
| 7231 | @param EntryPoint The 64-bit virtual address of the function to call with\r | |
| 7232 | the new stack after paging is enabled.\r | |
| 7233 | @param Context1 The 64-bit virtual address of the context to pass into\r | |
| 7234 | the EntryPoint function as the first parameter after\r | |
| 7235 | paging is enabled.\r | |
| 7236 | @param Context2 The 64-bit virtual address of the context to pass into\r | |
| 7237 | the EntryPoint function as the second parameter after\r | |
| 7238 | paging is enabled.\r | |
| 7239 | @param NewStack The 64-bit virtual address of the new stack to use for\r | |
| 7240 | the EntryPoint function after paging is enabled.\r | |
| 7241 | \r | |
| 7242 | **/\r | |
| 7243 | VOID\r | |
| 7244 | EFIAPI\r | |
| 7245 | AsmEnablePaging64 (\r | |
| 17f695ed | 7246 | IN UINT16 Cs,\r |
| ac644614 | 7247 | IN UINT64 EntryPoint,\r |
| 7248 | IN UINT64 Context1, OPTIONAL\r | |
| 7249 | IN UINT64 Context2, OPTIONAL\r | |
| 7250 | IN UINT64 NewStack\r | |
| 7251 | );\r | |
| 7252 | \r | |
| 7253 | \r | |
| 7254 | /**\r | |
| 7255 | Disables the 64-bit paging mode on the CPU.\r | |
| 7256 | \r | |
| 7257 | Disables the 64-bit paging mode on the CPU and returns to 32-bit protected\r | |
| 7258 | mode. This function assumes the current execution mode is 64-paging mode.\r | |
| 030cd1a2 | 7259 | This function is only available on x64. After the 64-bit paging mode is\r |
| ac644614 | 7260 | disabled, control is transferred to the function specified by EntryPoint\r |
| 7261 | using the new stack specified by NewStack and passing in the parameters\r | |
| 7262 | specified by Context1 and Context2. Context1 and Context2 are optional and\r | |
| 7263 | may be 0. The function EntryPoint must never return.\r | |
| 7264 | \r | |
| 7265 | If the current execution mode is not 64-bit paged mode, then ASSERT().\r | |
| 7266 | If EntryPoint is 0, then ASSERT().\r | |
| 7267 | If NewStack is 0, then ASSERT().\r | |
| 7268 | \r | |
| 17f695ed | 7269 | @param Cs The 16-bit selector to load in the CS before EntryPoint\r |
| ac644614 | 7270 | is called. The descriptor in the GDT that this selector\r |
| 7271 | references must be setup for 32-bit protected mode.\r | |
| 7272 | @param EntryPoint The 64-bit virtual address of the function to call with\r | |
| 7273 | the new stack after paging is disabled.\r | |
| 7274 | @param Context1 The 64-bit virtual address of the context to pass into\r | |
| 7275 | the EntryPoint function as the first parameter after\r | |
| 7276 | paging is disabled.\r | |
| 7277 | @param Context2 The 64-bit virtual address of the context to pass into\r | |
| 7278 | the EntryPoint function as the second parameter after\r | |
| 7279 | paging is disabled.\r | |
| 7280 | @param NewStack The 64-bit virtual address of the new stack to use for\r | |
| 7281 | the EntryPoint function after paging is disabled.\r | |
| 7282 | \r | |
| 7283 | **/\r | |
| 7284 | VOID\r | |
| 7285 | EFIAPI\r | |
| 7286 | AsmDisablePaging64 (\r | |
| 17f695ed | 7287 | IN UINT16 Cs,\r |
| ac644614 | 7288 | IN UINT32 EntryPoint,\r |
| 7289 | IN UINT32 Context1, OPTIONAL\r | |
| 7290 | IN UINT32 Context2, OPTIONAL\r | |
| 7291 | IN UINT32 NewStack\r | |
| 7292 | );\r | |
| 7293 | \r | |
| 7294 | \r | |
| 7295 | //\r | |
| 7296 | // 16-bit thunking services\r | |
| 7297 | //\r | |
| 7298 | \r | |
| 7299 | /**\r | |
| 7300 | Retrieves the properties for 16-bit thunk functions.\r | |
| 7301 | \r | |
| 7302 | Computes the size of the buffer and stack below 1MB required to use the\r | |
| 7303 | AsmPrepareThunk16(), AsmThunk16() and AsmPrepareAndThunk16() functions. This\r | |
| 7304 | buffer size is returned in RealModeBufferSize, and the stack size is returned\r | |
| 7305 | in ExtraStackSize. If parameters are passed to the 16-bit real mode code,\r | |
| 7306 | then the actual minimum stack size is ExtraStackSize plus the maximum number\r | |
| 7307 | of bytes that need to be passed to the 16-bit real mode code.\r | |
| 9095d37b | 7308 | \r |
| ac644614 | 7309 | If RealModeBufferSize is NULL, then ASSERT().\r |
| 7310 | If ExtraStackSize is NULL, then ASSERT().\r | |
| 7311 | \r | |
| 7312 | @param RealModeBufferSize A pointer to the size of the buffer below 1MB\r | |
| 7313 | required to use the 16-bit thunk functions.\r | |
| 7314 | @param ExtraStackSize A pointer to the extra size of stack below 1MB\r | |
| 7315 | that the 16-bit thunk functions require for\r | |
| 7316 | temporary storage in the transition to and from\r | |
| 7317 | 16-bit real mode.\r | |
| 7318 | \r | |
| 7319 | **/\r | |
| 7320 | VOID\r | |
| 7321 | EFIAPI\r | |
| 7322 | AsmGetThunk16Properties (\r | |
| 7323 | OUT UINT32 *RealModeBufferSize,\r | |
| 7324 | OUT UINT32 *ExtraStackSize\r | |
| 7325 | );\r | |
| 7326 | \r | |
| 7327 | \r | |
| 7328 | /**\r | |
| 7329 | Prepares all structures a code required to use AsmThunk16().\r | |
| 7330 | \r | |
| 7331 | Prepares all structures and code required to use AsmThunk16().\r | |
| 9095d37b | 7332 | \r |
| 8243b089 | 7333 | This interface is limited to be used in either physical mode or virtual modes with paging enabled where the\r |
| 7334 | virtual to physical mappings for ThunkContext.RealModeBuffer is mapped 1:1.\r | |
| ac644614 | 7335 | \r |
| 7336 | If ThunkContext is NULL, then ASSERT().\r | |
| 7337 | \r | |
| 7338 | @param ThunkContext A pointer to the context structure that describes the\r | |
| 7339 | 16-bit real mode code to call.\r | |
| 7340 | \r | |
| 7341 | **/\r | |
| 7342 | VOID\r | |
| 7343 | EFIAPI\r | |
| 7344 | AsmPrepareThunk16 (\r | |
| 1445300f | 7345 | IN OUT THUNK_CONTEXT *ThunkContext\r |
| ac644614 | 7346 | );\r |
| 7347 | \r | |
| 7348 | \r | |
| 7349 | /**\r | |
| 7350 | Transfers control to a 16-bit real mode entry point and returns the results.\r | |
| 7351 | \r | |
| 7352 | Transfers control to a 16-bit real mode entry point and returns the results.\r | |
| 17f695ed | 7353 | AsmPrepareThunk16() must be called with ThunkContext before this function is used.\r |
| 7354 | This function must be called with interrupts disabled.\r | |
| 7355 | \r | |
| 9095d37b LG |
7356 | The register state from the RealModeState field of ThunkContext is restored just prior\r |
| 7357 | to calling the 16-bit real mode entry point. This includes the EFLAGS field of RealModeState,\r | |
| 17f695ed | 7358 | which is used to set the interrupt state when a 16-bit real mode entry point is called.\r |
| 7359 | Control is transferred to the 16-bit real mode entry point specified by the CS and Eip fields of RealModeState.\r | |
| 9095d37b LG |
7360 | The stack is initialized to the SS and ESP fields of RealModeState. Any parameters passed to\r |
| 7361 | the 16-bit real mode code must be populated by the caller at SS:ESP prior to calling this function.\r | |
| 17f695ed | 7362 | The 16-bit real mode entry point is invoked with a 16-bit CALL FAR instruction,\r |
| 9095d37b LG |
7363 | so when accessing stack contents, the 16-bit real mode code must account for the 16-bit segment\r |
| 7364 | and 16-bit offset of the return address that were pushed onto the stack. The 16-bit real mode entry\r | |
| 7365 | point must exit with a RETF instruction. The register state is captured into RealModeState immediately\r | |
| 17f695ed | 7366 | after the RETF instruction is executed.\r |
| 9095d37b LG |
7367 | \r |
| 7368 | If EFLAGS specifies interrupts enabled, or any of the 16-bit real mode code enables interrupts,\r | |
| 7369 | or any of the 16-bit real mode code makes a SW interrupt, then the caller is responsible for making sure\r | |
| 7370 | the IDT at address 0 is initialized to handle any HW or SW interrupts that may occur while in 16-bit real mode.\r | |
| 7371 | \r | |
| 7372 | If EFLAGS specifies interrupts enabled, or any of the 16-bit real mode code enables interrupts,\r | |
| 7373 | then the caller is responsible for making sure the 8259 PIC is in a state compatible with 16-bit real mode.\r | |
| 17f695ed | 7374 | This includes the base vectors, the interrupt masks, and the edge/level trigger mode.\r |
| 9095d37b LG |
7375 | \r |
| 7376 | If THUNK_ATTRIBUTE_BIG_REAL_MODE is set in the ThunkAttributes field of ThunkContext, then the user code\r | |
| 17f695ed | 7377 | is invoked in big real mode. Otherwise, the user code is invoked in 16-bit real mode with 64KB segment limits.\r |
| 9095d37b LG |
7378 | \r |
| 7379 | If neither THUNK_ATTRIBUTE_DISABLE_A20_MASK_INT_15 nor THUNK_ATTRIBUTE_DISABLE_A20_MASK_KBD_CTRL are set in\r | |
| 7380 | ThunkAttributes, then it is assumed that the user code did not enable the A20 mask, and no attempt is made to\r | |
| 17f695ed | 7381 | disable the A20 mask.\r |
| 9095d37b LG |
7382 | \r |
| 7383 | If THUNK_ATTRIBUTE_DISABLE_A20_MASK_INT_15 is set and THUNK_ATTRIBUTE_DISABLE_A20_MASK_KBD_CTRL is clear in\r | |
| 7384 | ThunkAttributes, then attempt to use the INT 15 service to disable the A20 mask. If this INT 15 call fails,\r | |
| 17f695ed | 7385 | then attempt to disable the A20 mask by directly accessing the 8042 keyboard controller I/O ports.\r |
| 9095d37b LG |
7386 | \r |
| 7387 | If THUNK_ATTRIBUTE_DISABLE_A20_MASK_INT_15 is clear and THUNK_ATTRIBUTE_DISABLE_A20_MASK_KBD_CTRL is set in\r | |
| 17f695ed | 7388 | ThunkAttributes, then attempt to disable the A20 mask by directly accessing the 8042 keyboard controller I/O ports.\r |
| 9095d37b | 7389 | \r |
| ac644614 | 7390 | If ThunkContext is NULL, then ASSERT().\r |
| 7391 | If AsmPrepareThunk16() was not previously called with ThunkContext, then ASSERT().\r | |
| 9095d37b | 7392 | If both THUNK_ATTRIBUTE_DISABLE_A20_MASK_INT_15 and THUNK_ATTRIBUTE_DISABLE_A20_MASK_KBD_CTRL are set in\r |
| 17f695ed | 7393 | ThunkAttributes, then ASSERT().\r |
| ac644614 | 7394 | \r |
| 8243b089 | 7395 | This interface is limited to be used in either physical mode or virtual modes with paging enabled where the\r |
| af2dc6a7 | 7396 | virtual to physical mappings for ThunkContext.RealModeBuffer are mapped 1:1.\r |
| 52fa075c | 7397 | \r |
| ac644614 | 7398 | @param ThunkContext A pointer to the context structure that describes the\r |
| 7399 | 16-bit real mode code to call.\r | |
| 7400 | \r | |
| 7401 | **/\r | |
| 7402 | VOID\r | |
| 7403 | EFIAPI\r | |
| 7404 | AsmThunk16 (\r | |
| 7405 | IN OUT THUNK_CONTEXT *ThunkContext\r | |
| 7406 | );\r | |
| 7407 | \r | |
| 7408 | \r | |
| 7409 | /**\r | |
| 7410 | Prepares all structures and code for a 16-bit real mode thunk, transfers\r | |
| 7411 | control to a 16-bit real mode entry point, and returns the results.\r | |
| 7412 | \r | |
| 7413 | Prepares all structures and code for a 16-bit real mode thunk, transfers\r | |
| 7414 | control to a 16-bit real mode entry point, and returns the results. If the\r | |
| 7415 | caller only need to perform a single 16-bit real mode thunk, then this\r | |
| 7416 | service should be used. If the caller intends to make more than one 16-bit\r | |
| 7417 | real mode thunk, then it is more efficient if AsmPrepareThunk16() is called\r | |
| 7418 | once and AsmThunk16() can be called for each 16-bit real mode thunk.\r | |
| 7419 | \r | |
| 8243b089 | 7420 | This interface is limited to be used in either physical mode or virtual modes with paging enabled where the\r |
| 7421 | virtual to physical mappings for ThunkContext.RealModeBuffer is mapped 1:1.\r | |
| 52fa075c | 7422 | \r |
| 17f695ed | 7423 | See AsmPrepareThunk16() and AsmThunk16() for the detailed description and ASSERT() conditions.\r |
| ac644614 | 7424 | \r |
| 7425 | @param ThunkContext A pointer to the context structure that describes the\r | |
| 7426 | 16-bit real mode code to call.\r | |
| 7427 | \r | |
| 7428 | **/\r | |
| 7429 | VOID\r | |
| 7430 | EFIAPI\r | |
| 7431 | AsmPrepareAndThunk16 (\r | |
| 7432 | IN OUT THUNK_CONTEXT *ThunkContext\r | |
| 7433 | );\r | |
| 7434 | \r | |
| 3cfc7813 QL |
7435 | /**\r |
| 7436 | Generates a 16-bit random number through RDRAND instruction.\r | |
| 7437 | \r | |
| 7438 | if Rand is NULL, then ASSERT().\r | |
| 7439 | \r | |
| 7440 | @param[out] Rand Buffer pointer to store the random result.\r | |
| 7441 | \r | |
| 7442 | @retval TRUE RDRAND call was successful.\r | |
| 7443 | @retval FALSE Failed attempts to call RDRAND.\r | |
| 7444 | \r | |
| 7445 | **/\r | |
| 7446 | BOOLEAN\r | |
| 7447 | EFIAPI\r | |
| 7448 | AsmRdRand16 (\r | |
| 7449 | OUT UINT16 *Rand\r | |
| 7450 | );\r | |
| 7451 | \r | |
| 7452 | /**\r | |
| 7453 | Generates a 32-bit random number through RDRAND instruction.\r | |
| 7454 | \r | |
| 7455 | if Rand is NULL, then ASSERT().\r | |
| 7456 | \r | |
| 7457 | @param[out] Rand Buffer pointer to store the random result.\r | |
| 7458 | \r | |
| 7459 | @retval TRUE RDRAND call was successful.\r | |
| 7460 | @retval FALSE Failed attempts to call RDRAND.\r | |
| 7461 | \r | |
| 7462 | **/\r | |
| 7463 | BOOLEAN\r | |
| 7464 | EFIAPI\r | |
| 7465 | AsmRdRand32 (\r | |
| 7466 | OUT UINT32 *Rand\r | |
| 7467 | );\r | |
| 7468 | \r | |
| 7469 | /**\r | |
| 7470 | Generates a 64-bit random number through RDRAND instruction.\r | |
| 7471 | \r | |
| 7472 | if Rand is NULL, then ASSERT().\r | |
| 7473 | \r | |
| 7474 | @param[out] Rand Buffer pointer to store the random result.\r | |
| 7475 | \r | |
| 7476 | @retval TRUE RDRAND call was successful.\r | |
| 7477 | @retval FALSE Failed attempts to call RDRAND.\r | |
| 7478 | \r | |
| 7479 | **/\r | |
| 7480 | BOOLEAN\r | |
| 7481 | EFIAPI\r | |
| 7482 | AsmRdRand64 (\r | |
| 7483 | OUT UINT64 *Rand\r | |
| 7484 | );\r | |
| 7485 | \r | |
| 364a5474 | 7486 | /**\r |
| 47595ac0 | 7487 | Load given selector into TR register.\r |
| 364a5474 JW |
7488 | \r |
| 7489 | @param[in] Selector Task segment selector\r | |
| 7490 | **/\r | |
| 7491 | VOID\r | |
| 7492 | EFIAPI\r | |
| 7493 | AsmWriteTr (\r | |
| 7494 | IN UINT16 Selector\r | |
| 7495 | );\r | |
| 7496 | \r | |
| 2ecd8299 HW |
7497 | /**\r |
| 7498 | Performs a serializing operation on all load-from-memory instructions that\r | |
| 7499 | were issued prior the AsmLfence function.\r | |
| 7500 | \r | |
| 7501 | Executes a LFENCE instruction. This function is only available on IA-32 and x64.\r | |
| 7502 | \r | |
| 7503 | **/\r | |
| 7504 | VOID\r | |
| 7505 | EFIAPI\r | |
| 7506 | AsmLfence (\r | |
| 7507 | VOID\r | |
| 7508 | );\r | |
| 7509 | \r | |
| 9b3ca509 TL |
7510 | /**\r |
| 7511 | Executes a XGETBV instruction\r | |
| 7512 | \r | |
| 7513 | Executes a XGETBV instruction. This function is only available on IA-32 and\r | |
| 7514 | x64.\r | |
| 7515 | \r | |
| 7516 | @param[in] Index Extended control register index\r | |
| 7517 | \r | |
| 7518 | @return The current value of the extended control register\r | |
| 7519 | **/\r | |
| 7520 | UINT64\r | |
| 7521 | EFIAPI\r | |
| 7522 | AsmXGetBv (\r | |
| 7523 | IN UINT32 Index\r | |
| 7524 | );\r | |
| 7525 | \r | |
| 4ac02962 JW |
7526 | /**\r |
| 7527 | Executes a XSETBV instruction to write a 64-bit value to a Extended Control\r | |
| 7528 | Register(XCR), and returns the value.\r | |
| 7529 | \r | |
| 7530 | Writes the 64-bit value specified by Value to the XCR specified by Index. The\r | |
| 7531 | 64-bit value written to the XCR is returned. No parameter checking is\r | |
| 7532 | performed on Index or Value, and some of these may cause CPU exceptions. The\r | |
| 7533 | caller must either guarantee that Index and Value are valid, or the caller\r | |
| 7534 | must establish proper exception handlers. This function is only available on\r | |
| 7535 | IA-32 and x64.\r | |
| 7536 | \r | |
| 7537 | @param Index The 32-bit XCR index to write.\r | |
| 7538 | @param Value The 64-bit value to write to the XCR.\r | |
| 7539 | \r | |
| 7540 | @return Value\r | |
| 7541 | \r | |
| 7542 | **/\r | |
| 7543 | UINT64\r | |
| 7544 | EFIAPI\r | |
| 7545 | AsmXSetBv (\r | |
| 7546 | IN UINT32 Index,\r | |
| 7547 | IN UINT64 Value\r | |
| 7548 | );\r | |
| 9b3ca509 | 7549 | \r |
| f8422f1e TL |
7550 | /**\r |
| 7551 | Executes a VMGEXIT instruction (VMMCALL with a REP prefix)\r | |
| 7552 | \r | |
| 7553 | Executes a VMGEXIT instruction. This function is only available on IA-32 and\r | |
| 7554 | x64.\r | |
| 7555 | \r | |
| 7556 | **/\r | |
| 7557 | VOID\r | |
| 7558 | EFIAPI\r | |
| 7559 | AsmVmgExit (\r | |
| 7560 | VOID\r | |
| 7561 | );\r | |
| 7562 | \r | |
| 7563 | \r | |
| 8596c140 LE |
7564 | /**\r |
| 7565 | Patch the immediate operand of an IA32 or X64 instruction such that the byte,\r | |
| 7566 | word, dword or qword operand is encoded at the end of the instruction's\r | |
| 7567 | binary representation.\r | |
| 7568 | \r | |
| 7569 | This function should be used to update object code that was compiled with\r | |
| 7570 | NASM from assembly source code. Example:\r | |
| 7571 | \r | |
| 7572 | NASM source code:\r | |
| 7573 | \r | |
| 7574 | mov eax, strict dword 0 ; the imm32 zero operand will be patched\r | |
| 7575 | ASM_PFX(gPatchCr3):\r | |
| 7576 | mov cr3, eax\r | |
| 7577 | \r | |
| 7578 | C source code:\r | |
| 7579 | \r | |
| 7580 | X86_ASSEMBLY_PATCH_LABEL gPatchCr3;\r | |
| 7581 | PatchInstructionX86 (gPatchCr3, AsmReadCr3 (), 4);\r | |
| 7582 | \r | |
| 7583 | @param[out] InstructionEnd Pointer right past the instruction to patch. The\r | |
| 7584 | immediate operand to patch is expected to\r | |
| 7585 | comprise the trailing bytes of the instruction.\r | |
| 7586 | If InstructionEnd is closer to address 0 than\r | |
| 7587 | ValueSize permits, then ASSERT().\r | |
| 7588 | \r | |
| 7589 | @param[in] PatchValue The constant to write to the immediate operand.\r | |
| 7590 | The caller is responsible for ensuring that\r | |
| 7591 | PatchValue can be represented in the byte, word,\r | |
| 7592 | dword or qword operand (as indicated through\r | |
| 7593 | ValueSize); otherwise ASSERT().\r | |
| 7594 | \r | |
| 7595 | @param[in] ValueSize The size of the operand in bytes; must be 1, 2,\r | |
| 7596 | 4, or 8. ASSERT() otherwise.\r | |
| 7597 | **/\r | |
| 7598 | VOID\r | |
| 7599 | EFIAPI\r | |
| 7600 | PatchInstructionX86 (\r | |
| 7601 | OUT X86_ASSEMBLY_PATCH_LABEL *InstructionEnd,\r | |
| 7602 | IN UINT64 PatchValue,\r | |
| 7603 | IN UINTN ValueSize\r | |
| 7604 | );\r | |
| 7605 | \r | |
| de4f7f52 LE |
7606 | #endif // defined (MDE_CPU_IA32) || defined (MDE_CPU_X64)\r |
| 7607 | #endif // !defined (__BASE_LIB__)\r |