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Commit | Line | Data |
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878ddf1f | 1 | /*++\r |
2 | \r | |
3 | Copyright (c) 2004, Intel Corporation \r | |
4 | All rights reserved. This program and the accompanying materials \r | |
5 | are licensed and made available under the terms and conditions of the BSD License \r | |
6 | which accompanies this distribution. The full text of the license may be found at \r | |
7 | http://opensource.org/licenses/bsd-license.php \r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | PeiLib.h\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | PEI Library Functions\r | |
19 | \r | |
20 | --*/\r | |
21 | \r | |
22 | #ifndef _PEI_LIB_H_\r | |
23 | #define _PEI_LIB_H_\r | |
24 | \r | |
25 | #include "Tiano.h"\r | |
26 | #include "Pei.h"\r | |
27 | #include "peiHobLib.h"\r | |
28 | #include EFI_PROTOCOL_DEFINITION (Decompress)\r | |
29 | #include EFI_PROTOCOL_DEFINITION (TianoDecompress)\r | |
30 | #include EFI_GUID_DEFINITION (PeiPeCoffLoader)\r | |
31 | \r | |
32 | VOID\r | |
33 | PeiCopyMem (\r | |
34 | IN VOID *Destination,\r | |
35 | IN VOID *Source,\r | |
36 | IN UINTN Length\r | |
37 | )\r | |
38 | /*++\r | |
39 | \r | |
40 | Routine Description:\r | |
41 | \r | |
42 | Copy Length bytes from Source to Destination.\r | |
43 | \r | |
44 | Arguments:\r | |
45 | \r | |
46 | Destination - Target of copy\r | |
47 | \r | |
48 | Source - Place to copy from\r | |
49 | \r | |
50 | Length - Number of bytes to copy\r | |
51 | \r | |
52 | Returns:\r | |
53 | \r | |
54 | None\r | |
55 | \r | |
56 | --*/\r | |
57 | ;\r | |
58 | \r | |
59 | VOID\r | |
60 | ZeroMem (\r | |
61 | IN VOID *Buffer,\r | |
62 | IN UINTN Size\r | |
63 | )\r | |
64 | /*++\r | |
65 | \r | |
66 | Routine Description:\r | |
67 | \r | |
68 | Set Buffer to zero for Size bytes.\r | |
69 | \r | |
70 | Arguments:\r | |
71 | \r | |
72 | Buffer - Memory to set.\r | |
73 | \r | |
74 | Size - Number of bytes to set\r | |
75 | \r | |
76 | Returns:\r | |
77 | \r | |
78 | None\r | |
79 | \r | |
80 | --*/\r | |
81 | ;\r | |
82 | \r | |
83 | VOID\r | |
84 | CopyMem (\r | |
85 | IN VOID *Destination,\r | |
86 | IN VOID *Source,\r | |
87 | IN UINTN Length\r | |
88 | )\r | |
89 | /*++\r | |
90 | \r | |
91 | Routine Description:\r | |
92 | \r | |
93 | Copy Length bytes from Source to Destination.\r | |
94 | \r | |
95 | Arguments:\r | |
96 | \r | |
97 | Destination - Target of copy\r | |
98 | \r | |
99 | Source - Place to copy from\r | |
100 | \r | |
101 | Length - Number of bytes to copy\r | |
102 | \r | |
103 | Returns:\r | |
104 | \r | |
105 | None\r | |
106 | \r | |
107 | --*/\r | |
108 | ;\r | |
109 | \r | |
110 | BOOLEAN\r | |
111 | CompareGuid (\r | |
112 | IN EFI_GUID *Guid1,\r | |
113 | IN EFI_GUID *Guid2\r | |
114 | )\r | |
115 | /*++\r | |
116 | \r | |
117 | Routine Description:\r | |
118 | \r | |
119 | Compares two GUIDs\r | |
120 | \r | |
121 | Arguments:\r | |
122 | \r | |
123 | Guid1 - guid to compare\r | |
124 | Guid2 - guid to compare\r | |
125 | \r | |
126 | Returns:\r | |
127 | = TRUE if Guid1 == Guid2\r | |
128 | = FALSE if Guid1 != Guid2 \r | |
129 | \r | |
130 | --*/\r | |
131 | ;\r | |
132 | \r | |
133 | EFI_STATUS\r | |
134 | InstallEfiPeiPeCoffLoader (\r | |
135 | IN EFI_PEI_SERVICES **PeiServices,\r | |
136 | IN EFI_PEI_PE_COFF_LOADER_PROTOCOL **This,\r | |
137 | IN EFI_PEI_PPI_DESCRIPTOR *ThisPpi\r | |
138 | )\r | |
139 | /*++\r | |
140 | \r | |
141 | Routine Description:\r | |
142 | \r | |
143 | Install EFI Pei PE coff loader protocol.\r | |
144 | \r | |
145 | Arguments:\r | |
146 | \r | |
147 | PeiServices - The PEI core services table.\r | |
148 | \r | |
149 | This - Pointer to get Pei PE coff loader protocol as output\r | |
150 | \r | |
151 | ThisPpi - Passed in as EFI_NT_LOAD_AS_DLL_PPI on NT_EMULATOR platform\r | |
152 | \r | |
153 | Returns:\r | |
154 | \r | |
155 | EFI_SUCCESS\r | |
156 | \r | |
157 | --*/\r | |
158 | ;\r | |
159 | \r | |
160 | EFI_STATUS\r | |
161 | InstallEfiDecompress (\r | |
162 | EFI_DECOMPRESS_PROTOCOL **This\r | |
163 | )\r | |
164 | /*++\r | |
165 | \r | |
166 | Routine Description:\r | |
167 | \r | |
168 | Install EFI decompress protocol.\r | |
169 | \r | |
170 | Arguments:\r | |
171 | \r | |
172 | This - Pointer to get decompress protocol as output\r | |
173 | \r | |
174 | Returns:\r | |
175 | \r | |
176 | EFI_SUCCESS - EFI decompress protocol successfully installed.\r | |
177 | \r | |
178 | --*/\r | |
179 | ;\r | |
180 | \r | |
181 | EFI_STATUS\r | |
182 | InstallTianoDecompress (\r | |
183 | EFI_TIANO_DECOMPRESS_PROTOCOL **This\r | |
184 | )\r | |
185 | /*++\r | |
186 | \r | |
187 | Routine Description:\r | |
188 | \r | |
189 | Install Tiano decompress protocol.\r | |
190 | \r | |
191 | Arguments:\r | |
192 | \r | |
193 | This - Pointer to get decompress protocol as output\r | |
194 | \r | |
195 | Returns:\r | |
196 | \r | |
197 | EFI_SUCCESS - Tiano decompress protocol successfully installed.\r | |
198 | \r | |
199 | --*/\r | |
200 | ;\r | |
201 | \r | |
202 | VOID\r | |
203 | PeiPerfMeasure (\r | |
204 | EFI_PEI_SERVICES **PeiServices,\r | |
205 | IN UINT16 *Token,\r | |
206 | IN EFI_FFS_FILE_HEADER *FileHeader,\r | |
207 | IN BOOLEAN EntryExit,\r | |
208 | IN UINT64 Value\r | |
209 | )\r | |
210 | /*++\r | |
211 | \r | |
212 | Routine Description:\r | |
213 | \r | |
214 | Log a timestamp count.\r | |
215 | \r | |
216 | Arguments:\r | |
217 | \r | |
218 | PeiServices - Pointer to the PEI Core Services table\r | |
219 | \r | |
220 | Token - Pointer to Token Name\r | |
221 | \r | |
222 | FileHeader - Pointer to the file header\r | |
223 | \r | |
224 | EntryExit - Indicates start or stop measurement\r | |
225 | \r | |
226 | Value - The start time or the stop time\r | |
227 | \r | |
228 | Returns:\r | |
229 | \r | |
230 | --*/\r | |
231 | ;\r | |
232 | \r | |
233 | EFI_STATUS\r | |
234 | GetTimerValue (\r | |
235 | OUT UINT64 *TimerValue\r | |
236 | )\r | |
237 | /*++\r | |
238 | \r | |
239 | Routine Description:\r | |
240 | \r | |
241 | Get timer value.\r | |
242 | \r | |
243 | Arguments:\r | |
244 | \r | |
245 | TimerValue - Pointer to the returned timer value\r | |
246 | \r | |
247 | Returns:\r | |
248 | \r | |
249 | EFI_SUCCESS - Successfully got timer value\r | |
250 | \r | |
251 | --*/\r | |
252 | ;\r | |
253 | \r | |
254 | #ifdef EFI_PEI_PERFORMANCE\r | |
255 | #define PEI_PERF_START(Ps, Token, FileHeader, Value) PeiPerfMeasure (Ps, Token, FileHeader, FALSE, Value)\r | |
256 | #define PEI_PERF_END(Ps, Token, FileHeader, Value) PeiPerfMeasure (Ps, Token, FileHeader, TRUE, Value)\r | |
257 | #else\r | |
258 | #define PEI_PERF_START(Ps, Token, FileHeader, Value)\r | |
259 | #define PEI_PERF_END(Ps, Token, FileHeader, Value)\r | |
260 | #endif\r | |
261 | \r | |
878ddf1f | 262 | //\r |
263 | // hob.c\r | |
264 | //\r | |
265 | EFI_STATUS\r | |
266 | PeiBuildHobModule (\r | |
267 | IN EFI_PEI_SERVICES **PeiServices,\r | |
268 | IN EFI_GUID *ModuleName,\r | |
269 | IN EFI_PHYSICAL_ADDRESS Module,\r | |
270 | IN UINT64 ModuleLength,\r | |
271 | IN EFI_PHYSICAL_ADDRESS EntryPoint\r | |
272 | )\r | |
273 | /*++\r | |
274 | \r | |
275 | Routine Description:\r | |
276 | \r | |
277 | Builds a HOB for a loaded PE32 module\r | |
278 | \r | |
279 | Arguments:\r | |
280 | \r | |
281 | PeiServices - The PEI core services table.\r | |
282 | ModuleName - The GUID File Name of the module\r | |
283 | Memory - The 64 bit physical address of the module\r | |
284 | ModuleLength - The length of the module in bytes\r | |
285 | EntryPoint - The 64 bit physical address of the entry point\r | |
286 | to the module\r | |
287 | \r | |
288 | Returns:\r | |
289 | \r | |
290 | EFI_SUCCESS - Hob is successfully built.\r | |
291 | Others - Errors occur while creating new Hob\r | |
292 | \r | |
293 | --*/\r | |
294 | ;\r | |
295 | \r | |
296 | EFI_STATUS\r | |
297 | PeiBuildHobResourceDescriptor (\r | |
298 | IN EFI_PEI_SERVICES **PeiServices,\r | |
299 | IN EFI_RESOURCE_TYPE ResourceType,\r | |
300 | IN EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttribute,\r | |
301 | IN EFI_PHYSICAL_ADDRESS PhysicalStart,\r | |
302 | IN UINT64 NumberOfBytes\r | |
303 | )\r | |
304 | /*++\r | |
305 | \r | |
306 | Routine Description:\r | |
307 | \r | |
308 | Builds a HOB that describes a chunck of system memory\r | |
309 | \r | |
310 | Arguments:\r | |
311 | \r | |
312 | PeiServices - The PEI core services table.\r | |
313 | \r | |
314 | ResourceType - The type of resource described by this HOB\r | |
315 | \r | |
316 | ResourceAttribute - The resource attributes of the memory described by this HOB\r | |
317 | \r | |
318 | PhysicalStart - The 64 bit physical address of memory described by this HOB\r | |
319 | \r | |
320 | NumberOfBytes - The length of the memoty described by this HOB in bytes\r | |
321 | \r | |
322 | Returns:\r | |
323 | \r | |
324 | EFI_SUCCESS - Hob is successfully built.\r | |
325 | Others - Errors occur while creating new Hob\r | |
326 | \r | |
327 | --*/\r | |
328 | ;\r | |
329 | \r | |
330 | EFI_STATUS\r | |
331 | PeiBuildHobGuid (\r | |
332 | IN EFI_PEI_SERVICES **PeiServices,\r | |
333 | IN EFI_GUID *Guid,\r | |
334 | IN UINTN DataLength,\r | |
335 | IN OUT VOID **Hob\r | |
336 | )\r | |
337 | /*++\r | |
338 | \r | |
339 | Routine Description:\r | |
340 | \r | |
341 | Builds a custom HOB that is tagged with a GUID for identification\r | |
342 | \r | |
343 | Arguments:\r | |
344 | \r | |
345 | PeiServices - The PEI core services table.\r | |
346 | \r | |
347 | Guid - The GUID of the custome HOB type\r | |
348 | \r | |
349 | DataLength - The size of the data payload for the GUIDed HOB\r | |
350 | \r | |
351 | Hob - Pointer to the Hob\r | |
352 | \r | |
353 | Returns:\r | |
354 | \r | |
355 | EFI_SUCCESS - Hob is successfully built.\r | |
356 | Others - Errors occur while creating new Hob\r | |
357 | \r | |
358 | --*/\r | |
359 | ;\r | |
360 | \r | |
361 | EFI_STATUS\r | |
362 | PeiBuildHobGuidData (\r | |
363 | IN EFI_PEI_SERVICES **PeiServices,\r | |
364 | IN EFI_GUID *Guid,\r | |
365 | IN VOID *Data,\r | |
366 | IN UINTN DataLength\r | |
367 | )\r | |
368 | /*++\r | |
369 | \r | |
370 | Routine Description:\r | |
371 | \r | |
372 | Builds a custom HOB that is tagged with a GUID for identification\r | |
373 | \r | |
374 | Arguments:\r | |
375 | \r | |
376 | PeiServices - The PEI core services table.\r | |
377 | \r | |
378 | Guid - The GUID of the custome HOB type\r | |
379 | \r | |
380 | Data - The data to be copied into the GUIDed HOB data field.\r | |
381 | \r | |
382 | DataLength - The data field length.\r | |
383 | \r | |
384 | Returns:\r | |
385 | \r | |
386 | EFI_SUCCESS - Hob is successfully built.\r | |
387 | Others - Errors occur while creating new Hob\r | |
388 | \r | |
389 | --*/\r | |
390 | ;\r | |
391 | \r | |
392 | EFI_STATUS\r | |
393 | PeiBuildHobFv (\r | |
394 | IN EFI_PEI_SERVICES **PeiServices,\r | |
395 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
396 | IN UINT64 Length\r | |
397 | )\r | |
398 | /*++\r | |
399 | \r | |
400 | Routine Description:\r | |
401 | \r | |
402 | Builds a Firmware Volume HOB\r | |
403 | \r | |
404 | Arguments:\r | |
405 | \r | |
406 | PeiServices - The PEI core services table.\r | |
407 | \r | |
408 | BaseAddress - The base address of the Firmware Volume\r | |
409 | \r | |
410 | Length - The size of the Firmware Volume in bytes\r | |
411 | \r | |
412 | Returns:\r | |
413 | \r | |
414 | EFI_SUCCESS - Hob is successfully built.\r | |
415 | Others - Errors occur while creating new Hob\r | |
416 | \r | |
417 | --*/\r | |
418 | ;\r | |
419 | \r | |
420 | EFI_STATUS\r | |
421 | PeiBuildHobCpu (\r | |
422 | IN EFI_PEI_SERVICES **PeiServices,\r | |
423 | IN UINT8 SizeOfMemorySpace,\r | |
424 | IN UINT8 SizeOfIoSpace\r | |
425 | )\r | |
426 | /*++\r | |
427 | \r | |
428 | Routine Description:\r | |
429 | \r | |
430 | Builds a HOB for the CPU\r | |
431 | \r | |
432 | Arguments:\r | |
433 | \r | |
434 | PeiServices - The PEI core services table.\r | |
435 | \r | |
436 | SizeOfMemorySpace - Identifies the maximum \r | |
437 | physical memory addressibility of the processor.\r | |
438 | \r | |
439 | SizeOfIoSpace - Identifies the maximum physical I/O addressibility \r | |
440 | of the processor.\r | |
441 | \r | |
442 | Returns:\r | |
443 | \r | |
444 | EFI_SUCCESS - Hob is successfully built.\r | |
445 | Others - Errors occur while creating new Hob\r | |
446 | \r | |
447 | --*/\r | |
448 | ;\r | |
449 | \r | |
450 | EFI_STATUS\r | |
451 | PeiBuildHobStack (\r | |
452 | IN EFI_PEI_SERVICES **PeiServices,\r | |
453 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
454 | IN UINT64 Length\r | |
455 | )\r | |
456 | /*++\r | |
457 | \r | |
458 | Routine Description:\r | |
459 | \r | |
460 | Builds a HOB for the Stack\r | |
461 | \r | |
462 | Arguments:\r | |
463 | \r | |
464 | PeiServices - The PEI core services table.\r | |
465 | \r | |
466 | BaseAddress - The 64 bit physical address of the Stack\r | |
467 | \r | |
468 | Length - The length of the stack in bytes\r | |
469 | \r | |
470 | Returns:\r | |
471 | \r | |
472 | EFI_SUCCESS - Hob is successfully built.\r | |
473 | Others - Errors occur while creating new Hob\r | |
474 | \r | |
475 | --*/\r | |
476 | ;\r | |
477 | \r | |
478 | EFI_STATUS\r | |
479 | PeiBuildHobBspStore (\r | |
480 | IN EFI_PEI_SERVICES **PeiServices,\r | |
481 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
482 | IN UINT64 Length,\r | |
483 | IN EFI_MEMORY_TYPE MemoryType\r | |
484 | )\r | |
485 | /*++\r | |
486 | \r | |
487 | Routine Description:\r | |
488 | \r | |
489 | Builds a HOB for the bsp store\r | |
490 | \r | |
491 | Arguments:\r | |
492 | \r | |
493 | PeiServices - The PEI core services table.\r | |
494 | \r | |
495 | BaseAddress - The 64 bit physical address of the bsp store\r | |
496 | \r | |
497 | Length - The length of the bsp store in bytes\r | |
498 | \r | |
499 | MemoryType - Memory type\r | |
500 | \r | |
501 | Returns:\r | |
502 | \r | |
503 | EFI_SUCCESS - Hob is successfully built.\r | |
504 | Others - Errors occur while creating new Hob\r | |
505 | \r | |
506 | --*/\r | |
507 | ;\r | |
508 | \r | |
509 | EFI_STATUS\r | |
510 | PeiBuildHobMemoryAllocation (\r | |
511 | IN EFI_PEI_SERVICES **PeiServices,\r | |
512 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
513 | IN UINT64 Length,\r | |
514 | IN EFI_GUID *Name,\r | |
515 | IN EFI_MEMORY_TYPE MemoryType\r | |
516 | )\r | |
517 | /*++\r | |
518 | \r | |
519 | Routine Description:\r | |
520 | \r | |
521 | Builds a HOB for the memory allocation\r | |
522 | \r | |
523 | Arguments:\r | |
524 | \r | |
525 | PeiServices - The PEI core services table.\r | |
526 | \r | |
527 | BaseAddress - The 64 bit physical address of the memory\r | |
528 | \r | |
529 | Length - The length of the memory allocation in bytes\r | |
530 | \r | |
531 | Name - Name for Hob\r | |
532 | \r | |
533 | MemoryType - Memory type\r | |
534 | \r | |
535 | Returns:\r | |
536 | \r | |
537 | EFI_SUCCESS - Hob is successfully built.\r | |
538 | Others - Errors occur while creating new Hob\r | |
539 | \r | |
540 | --*/\r | |
541 | ;\r | |
542 | \r | |
543 | //\r | |
544 | // print.c\r | |
545 | //\r | |
546 | UINTN\r | |
547 | AvSPrint (\r | |
548 | OUT CHAR8 *StartOfBuffer,\r | |
549 | IN UINTN StrSize,\r | |
550 | IN CONST CHAR8 *Format,\r | |
551 | IN VA_LIST Marker\r | |
552 | )\r | |
553 | /*++\r | |
554 | \r | |
555 | Routine Description:\r | |
556 | \r | |
557 | AvSPrint function to process format and place the results in Buffer. Since a \r | |
558 | VA_LIST is used this rountine allows the nesting of Vararg routines. Thus \r | |
559 | this is the main print working routine\r | |
560 | \r | |
561 | Arguments:\r | |
562 | \r | |
563 | StartOfBuffer - Ascii buffer to print the results of the parsing of Format into.\r | |
564 | \r | |
565 | StrSize - Maximum number of characters to put into buffer. Zero means \r | |
566 | no limit.\r | |
567 | \r | |
568 | FormatString - Ascii format string see file header for more details.\r | |
569 | \r | |
570 | Marker - Vararg list consumed by processing Format.\r | |
571 | \r | |
572 | Returns: \r | |
573 | \r | |
574 | Number of characters printed.\r | |
575 | \r | |
576 | --*/\r | |
577 | ;\r | |
578 | \r | |
579 | UINTN\r | |
580 | ASPrint (\r | |
581 | OUT CHAR8 *Buffer,\r | |
582 | IN UINTN BufferSize,\r | |
583 | IN CONST CHAR8 *Format,\r | |
584 | ...\r | |
585 | )\r | |
586 | /*++\r | |
587 | \r | |
588 | Routine Description:\r | |
589 | \r | |
590 | ASPrint function to process format and place the results in Buffer.\r | |
591 | \r | |
592 | Arguments:\r | |
593 | \r | |
594 | Buffer - Ascii buffer to print the results of the parsing of Format into.\r | |
595 | \r | |
596 | BufferSize - Maximum number of characters to put into buffer. Zero means no \r | |
597 | limit.\r | |
598 | \r | |
599 | Format - Ascii format string see file header for more details.\r | |
600 | \r | |
601 | ... - Vararg list consumed by processing Format.\r | |
602 | \r | |
603 | Returns: \r | |
604 | \r | |
605 | Number of characters printed.\r | |
606 | \r | |
607 | --*/\r | |
608 | ;\r | |
609 | \r | |
610 | //\r | |
611 | // math.c\r | |
612 | //\r | |
613 | UINT64\r | |
614 | MultU64x32 (\r | |
615 | IN UINT64 Multiplicand,\r | |
616 | IN UINTN Multiplier\r | |
617 | )\r | |
618 | /*++ \r | |
619 | \r | |
620 | Routine Description:\r | |
621 | \r | |
622 | This routine allows a 64 bit value to be multiplied with a 32 bit \r | |
623 | value returns 64bit result.\r | |
624 | No checking if the result is greater than 64bits\r | |
625 | \r | |
626 | Arguments:\r | |
627 | \r | |
628 | Multiplicand - multiplicand\r | |
629 | Multiplier - multiplier\r | |
630 | \r | |
631 | Returns:\r | |
632 | \r | |
633 | Multiplicand * Multiplier\r | |
634 | \r | |
635 | --*/\r | |
636 | ;\r | |
637 | \r | |
638 | UINT64\r | |
639 | DivU64x32 (\r | |
640 | IN UINT64 Dividend,\r | |
641 | IN UINTN Divisor,\r | |
642 | OUT UINTN *Remainder OPTIONAL\r | |
643 | )\r | |
644 | /*++\r | |
645 | \r | |
646 | Routine Description:\r | |
647 | \r | |
648 | This routine allows a 64 bit value to be divided with a 32 bit value returns \r | |
649 | 64bit result and the Remainder.\r | |
650 | N.B. only works for 31bit divisors!!\r | |
651 | \r | |
652 | Arguments:\r | |
653 | \r | |
654 | Dividend - dividend\r | |
655 | Divisor - divisor\r | |
656 | Remainder - buffer for remainder\r | |
657 | \r | |
658 | Returns:\r | |
659 | \r | |
660 | Dividend / Divisor\r | |
661 | Remainder = Dividend mod Divisor\r | |
662 | \r | |
663 | --*/\r | |
664 | ;\r | |
665 | \r | |
666 | UINT64\r | |
667 | RShiftU64 (\r | |
668 | IN UINT64 Operand,\r | |
669 | IN UINTN Count\r | |
670 | )\r | |
671 | /*++\r | |
672 | \r | |
673 | Routine Description:\r | |
674 | \r | |
675 | This routine allows a 64 bit value to be right shifted by 32 bits and returns the \r | |
676 | shifted value.\r | |
677 | Count is valid up 63. (Only Bits 0-5 is valid for Count)\r | |
678 | \r | |
679 | Arguments:\r | |
680 | \r | |
681 | Operand - Value to be shifted\r | |
682 | Count - Number of times to shift right.\r | |
683 | \r | |
684 | Returns:\r | |
685 | \r | |
686 | Value shifted right identified by the Count.\r | |
687 | \r | |
688 | --*/\r | |
689 | ;\r | |
690 | \r | |
691 | UINT64\r | |
692 | LShiftU64 (\r | |
693 | IN UINT64 Operand,\r | |
694 | IN UINTN Count\r | |
695 | )\r | |
696 | /*++\r | |
697 | \r | |
698 | Routine Description:\r | |
699 | \r | |
700 | This routine allows a 64 bit value to be left shifted by 32 bits and \r | |
701 | returns the shifted value.\r | |
702 | Count is valid up 63. (Only Bits 0-5 is valid for Count)\r | |
703 | \r | |
704 | Arguments:\r | |
705 | \r | |
706 | Operand - Value to be shifted\r | |
707 | Count - Number of times to shift left.\r | |
708 | \r | |
709 | Returns:\r | |
710 | \r | |
711 | Value shifted left identified by the Count.\r | |
712 | \r | |
713 | --*/\r | |
714 | ;\r | |
715 | \r | |
716 | VOID\r | |
717 | RegisterNativeCpuIo (\r | |
718 | IN EFI_PEI_SERVICES **PeiServices,\r | |
719 | IN VOID *CpuIo\r | |
720 | )\r | |
721 | /*++\r | |
722 | \r | |
723 | Routine Description:\r | |
724 | \r | |
725 | Register a native Cpu IO\r | |
726 | \r | |
727 | Arguments:\r | |
728 | \r | |
729 | PeiServices - Calling context\r | |
730 | CpuIo - CpuIo instance to register\r | |
731 | \r | |
732 | Returns:\r | |
733 | \r | |
734 | None\r | |
735 | \r | |
736 | --*/\r | |
737 | ;\r | |
738 | \r | |
739 | VOID\r | |
740 | GetNativeCpuIo (\r | |
741 | IN EFI_PEI_SERVICES **PeiServices,\r | |
742 | OUT VOID **CpuIo\r | |
743 | )\r | |
744 | /*++\r | |
745 | \r | |
746 | Routine Description:\r | |
747 | \r | |
748 | Get registered Cpu IO.\r | |
749 | \r | |
750 | Arguments:\r | |
751 | \r | |
752 | PeiServices - Calling context\r | |
753 | CpuIo - CpuIo instance registered before\r | |
754 | \r | |
755 | Returns:\r | |
756 | \r | |
757 | None\r | |
758 | \r | |
759 | --*/\r | |
760 | ;\r | |
761 | \r | |
762 | #endif\r |