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Commit | Line | Data |
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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 | |
262 | #ifdef EFI_NT_EMULATOR\r | |
263 | EFI_STATUS\r | |
264 | PeCoffLoaderWinNtLoadAsDll (\r | |
265 | IN CHAR8 *PdbFileName,\r | |
266 | IN VOID **ImageEntryPoint,\r | |
267 | OUT VOID **ModHandle\r | |
268 | )\r | |
269 | /*++\r | |
270 | \r | |
271 | Routine Description:\r | |
272 | \r | |
273 | Loads the .DLL file is present when a PE/COFF file is loaded. This provides source level\r | |
274 | debugging for drivers that have cooresponding .DLL files on the local system.\r | |
275 | \r | |
276 | Arguments:\r | |
277 | \r | |
278 | PdbFileName - The name of the .PDB file. This was found from the PE/COFF\r | |
279 | file's debug directory entry.\r | |
280 | \r | |
281 | ImageEntryPoint - A pointer to the DLL entry point of the .DLL file was loaded.\r | |
282 | \r | |
283 | ModHandle - Pointer to loaded library.\r | |
284 | \r | |
285 | Returns:\r | |
286 | \r | |
287 | EFI_SUCCESS - The .DLL file was loaded, and the DLL entry point is returned in ImageEntryPoint\r | |
288 | \r | |
289 | EFI_NOT_FOUND - The .DLL file could not be found\r | |
290 | \r | |
291 | EFI_UNSUPPORTED - The .DLL file was loaded, but the entry point to the .DLL file could not\r | |
292 | determined.\r | |
293 | \r | |
294 | --*/\r | |
295 | ;\r | |
296 | \r | |
297 | #endif\r | |
298 | //\r | |
299 | // hob.c\r | |
300 | //\r | |
301 | EFI_STATUS\r | |
302 | PeiBuildHobModule (\r | |
303 | IN EFI_PEI_SERVICES **PeiServices,\r | |
304 | IN EFI_GUID *ModuleName,\r | |
305 | IN EFI_PHYSICAL_ADDRESS Module,\r | |
306 | IN UINT64 ModuleLength,\r | |
307 | IN EFI_PHYSICAL_ADDRESS EntryPoint\r | |
308 | )\r | |
309 | /*++\r | |
310 | \r | |
311 | Routine Description:\r | |
312 | \r | |
313 | Builds a HOB for a loaded PE32 module\r | |
314 | \r | |
315 | Arguments:\r | |
316 | \r | |
317 | PeiServices - The PEI core services table.\r | |
318 | ModuleName - The GUID File Name of the module\r | |
319 | Memory - The 64 bit physical address of the module\r | |
320 | ModuleLength - The length of the module in bytes\r | |
321 | EntryPoint - The 64 bit physical address of the entry point\r | |
322 | to the module\r | |
323 | \r | |
324 | Returns:\r | |
325 | \r | |
326 | EFI_SUCCESS - Hob is successfully built.\r | |
327 | Others - Errors occur while creating new Hob\r | |
328 | \r | |
329 | --*/\r | |
330 | ;\r | |
331 | \r | |
332 | EFI_STATUS\r | |
333 | PeiBuildHobResourceDescriptor (\r | |
334 | IN EFI_PEI_SERVICES **PeiServices,\r | |
335 | IN EFI_RESOURCE_TYPE ResourceType,\r | |
336 | IN EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttribute,\r | |
337 | IN EFI_PHYSICAL_ADDRESS PhysicalStart,\r | |
338 | IN UINT64 NumberOfBytes\r | |
339 | )\r | |
340 | /*++\r | |
341 | \r | |
342 | Routine Description:\r | |
343 | \r | |
344 | Builds a HOB that describes a chunck of system memory\r | |
345 | \r | |
346 | Arguments:\r | |
347 | \r | |
348 | PeiServices - The PEI core services table.\r | |
349 | \r | |
350 | ResourceType - The type of resource described by this HOB\r | |
351 | \r | |
352 | ResourceAttribute - The resource attributes of the memory described by this HOB\r | |
353 | \r | |
354 | PhysicalStart - The 64 bit physical address of memory described by this HOB\r | |
355 | \r | |
356 | NumberOfBytes - The length of the memoty described by this HOB in bytes\r | |
357 | \r | |
358 | Returns:\r | |
359 | \r | |
360 | EFI_SUCCESS - Hob is successfully built.\r | |
361 | Others - Errors occur while creating new Hob\r | |
362 | \r | |
363 | --*/\r | |
364 | ;\r | |
365 | \r | |
366 | EFI_STATUS\r | |
367 | PeiBuildHobGuid (\r | |
368 | IN EFI_PEI_SERVICES **PeiServices,\r | |
369 | IN EFI_GUID *Guid,\r | |
370 | IN UINTN DataLength,\r | |
371 | IN OUT VOID **Hob\r | |
372 | )\r | |
373 | /*++\r | |
374 | \r | |
375 | Routine Description:\r | |
376 | \r | |
377 | Builds a custom HOB that is tagged with a GUID for identification\r | |
378 | \r | |
379 | Arguments:\r | |
380 | \r | |
381 | PeiServices - The PEI core services table.\r | |
382 | \r | |
383 | Guid - The GUID of the custome HOB type\r | |
384 | \r | |
385 | DataLength - The size of the data payload for the GUIDed HOB\r | |
386 | \r | |
387 | Hob - Pointer to the Hob\r | |
388 | \r | |
389 | Returns:\r | |
390 | \r | |
391 | EFI_SUCCESS - Hob is successfully built.\r | |
392 | Others - Errors occur while creating new Hob\r | |
393 | \r | |
394 | --*/\r | |
395 | ;\r | |
396 | \r | |
397 | EFI_STATUS\r | |
398 | PeiBuildHobGuidData (\r | |
399 | IN EFI_PEI_SERVICES **PeiServices,\r | |
400 | IN EFI_GUID *Guid,\r | |
401 | IN VOID *Data,\r | |
402 | IN UINTN DataLength\r | |
403 | )\r | |
404 | /*++\r | |
405 | \r | |
406 | Routine Description:\r | |
407 | \r | |
408 | Builds a custom HOB that is tagged with a GUID for identification\r | |
409 | \r | |
410 | Arguments:\r | |
411 | \r | |
412 | PeiServices - The PEI core services table.\r | |
413 | \r | |
414 | Guid - The GUID of the custome HOB type\r | |
415 | \r | |
416 | Data - The data to be copied into the GUIDed HOB data field.\r | |
417 | \r | |
418 | DataLength - The data field length.\r | |
419 | \r | |
420 | Returns:\r | |
421 | \r | |
422 | EFI_SUCCESS - Hob is successfully built.\r | |
423 | Others - Errors occur while creating new Hob\r | |
424 | \r | |
425 | --*/\r | |
426 | ;\r | |
427 | \r | |
428 | EFI_STATUS\r | |
429 | PeiBuildHobFv (\r | |
430 | IN EFI_PEI_SERVICES **PeiServices,\r | |
431 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
432 | IN UINT64 Length\r | |
433 | )\r | |
434 | /*++\r | |
435 | \r | |
436 | Routine Description:\r | |
437 | \r | |
438 | Builds a Firmware Volume HOB\r | |
439 | \r | |
440 | Arguments:\r | |
441 | \r | |
442 | PeiServices - The PEI core services table.\r | |
443 | \r | |
444 | BaseAddress - The base address of the Firmware Volume\r | |
445 | \r | |
446 | Length - The size of the Firmware Volume in bytes\r | |
447 | \r | |
448 | Returns:\r | |
449 | \r | |
450 | EFI_SUCCESS - Hob is successfully built.\r | |
451 | Others - Errors occur while creating new Hob\r | |
452 | \r | |
453 | --*/\r | |
454 | ;\r | |
455 | \r | |
456 | EFI_STATUS\r | |
457 | PeiBuildHobCpu (\r | |
458 | IN EFI_PEI_SERVICES **PeiServices,\r | |
459 | IN UINT8 SizeOfMemorySpace,\r | |
460 | IN UINT8 SizeOfIoSpace\r | |
461 | )\r | |
462 | /*++\r | |
463 | \r | |
464 | Routine Description:\r | |
465 | \r | |
466 | Builds a HOB for the CPU\r | |
467 | \r | |
468 | Arguments:\r | |
469 | \r | |
470 | PeiServices - The PEI core services table.\r | |
471 | \r | |
472 | SizeOfMemorySpace - Identifies the maximum \r | |
473 | physical memory addressibility of the processor.\r | |
474 | \r | |
475 | SizeOfIoSpace - Identifies the maximum physical I/O addressibility \r | |
476 | of the processor.\r | |
477 | \r | |
478 | Returns:\r | |
479 | \r | |
480 | EFI_SUCCESS - Hob is successfully built.\r | |
481 | Others - Errors occur while creating new Hob\r | |
482 | \r | |
483 | --*/\r | |
484 | ;\r | |
485 | \r | |
486 | EFI_STATUS\r | |
487 | PeiBuildHobStack (\r | |
488 | IN EFI_PEI_SERVICES **PeiServices,\r | |
489 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
490 | IN UINT64 Length\r | |
491 | )\r | |
492 | /*++\r | |
493 | \r | |
494 | Routine Description:\r | |
495 | \r | |
496 | Builds a HOB for the Stack\r | |
497 | \r | |
498 | Arguments:\r | |
499 | \r | |
500 | PeiServices - The PEI core services table.\r | |
501 | \r | |
502 | BaseAddress - The 64 bit physical address of the Stack\r | |
503 | \r | |
504 | Length - The length of the stack in bytes\r | |
505 | \r | |
506 | Returns:\r | |
507 | \r | |
508 | EFI_SUCCESS - Hob is successfully built.\r | |
509 | Others - Errors occur while creating new Hob\r | |
510 | \r | |
511 | --*/\r | |
512 | ;\r | |
513 | \r | |
514 | EFI_STATUS\r | |
515 | PeiBuildHobBspStore (\r | |
516 | IN EFI_PEI_SERVICES **PeiServices,\r | |
517 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
518 | IN UINT64 Length,\r | |
519 | IN EFI_MEMORY_TYPE MemoryType\r | |
520 | )\r | |
521 | /*++\r | |
522 | \r | |
523 | Routine Description:\r | |
524 | \r | |
525 | Builds a HOB for the bsp store\r | |
526 | \r | |
527 | Arguments:\r | |
528 | \r | |
529 | PeiServices - The PEI core services table.\r | |
530 | \r | |
531 | BaseAddress - The 64 bit physical address of the bsp store\r | |
532 | \r | |
533 | Length - The length of the bsp store in bytes\r | |
534 | \r | |
535 | MemoryType - Memory type\r | |
536 | \r | |
537 | Returns:\r | |
538 | \r | |
539 | EFI_SUCCESS - Hob is successfully built.\r | |
540 | Others - Errors occur while creating new Hob\r | |
541 | \r | |
542 | --*/\r | |
543 | ;\r | |
544 | \r | |
545 | EFI_STATUS\r | |
546 | PeiBuildHobMemoryAllocation (\r | |
547 | IN EFI_PEI_SERVICES **PeiServices,\r | |
548 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
549 | IN UINT64 Length,\r | |
550 | IN EFI_GUID *Name,\r | |
551 | IN EFI_MEMORY_TYPE MemoryType\r | |
552 | )\r | |
553 | /*++\r | |
554 | \r | |
555 | Routine Description:\r | |
556 | \r | |
557 | Builds a HOB for the memory allocation\r | |
558 | \r | |
559 | Arguments:\r | |
560 | \r | |
561 | PeiServices - The PEI core services table.\r | |
562 | \r | |
563 | BaseAddress - The 64 bit physical address of the memory\r | |
564 | \r | |
565 | Length - The length of the memory allocation in bytes\r | |
566 | \r | |
567 | Name - Name for Hob\r | |
568 | \r | |
569 | MemoryType - Memory type\r | |
570 | \r | |
571 | Returns:\r | |
572 | \r | |
573 | EFI_SUCCESS - Hob is successfully built.\r | |
574 | Others - Errors occur while creating new Hob\r | |
575 | \r | |
576 | --*/\r | |
577 | ;\r | |
578 | \r | |
579 | //\r | |
580 | // print.c\r | |
581 | //\r | |
582 | UINTN\r | |
583 | AvSPrint (\r | |
584 | OUT CHAR8 *StartOfBuffer,\r | |
585 | IN UINTN StrSize,\r | |
586 | IN CONST CHAR8 *Format,\r | |
587 | IN VA_LIST Marker\r | |
588 | )\r | |
589 | /*++\r | |
590 | \r | |
591 | Routine Description:\r | |
592 | \r | |
593 | AvSPrint function to process format and place the results in Buffer. Since a \r | |
594 | VA_LIST is used this rountine allows the nesting of Vararg routines. Thus \r | |
595 | this is the main print working routine\r | |
596 | \r | |
597 | Arguments:\r | |
598 | \r | |
599 | StartOfBuffer - Ascii buffer to print the results of the parsing of Format into.\r | |
600 | \r | |
601 | StrSize - Maximum number of characters to put into buffer. Zero means \r | |
602 | no limit.\r | |
603 | \r | |
604 | FormatString - Ascii format string see file header for more details.\r | |
605 | \r | |
606 | Marker - Vararg list consumed by processing Format.\r | |
607 | \r | |
608 | Returns: \r | |
609 | \r | |
610 | Number of characters printed.\r | |
611 | \r | |
612 | --*/\r | |
613 | ;\r | |
614 | \r | |
615 | UINTN\r | |
616 | ASPrint (\r | |
617 | OUT CHAR8 *Buffer,\r | |
618 | IN UINTN BufferSize,\r | |
619 | IN CONST CHAR8 *Format,\r | |
620 | ...\r | |
621 | )\r | |
622 | /*++\r | |
623 | \r | |
624 | Routine Description:\r | |
625 | \r | |
626 | ASPrint function to process format and place the results in Buffer.\r | |
627 | \r | |
628 | Arguments:\r | |
629 | \r | |
630 | Buffer - Ascii buffer to print the results of the parsing of Format into.\r | |
631 | \r | |
632 | BufferSize - Maximum number of characters to put into buffer. Zero means no \r | |
633 | limit.\r | |
634 | \r | |
635 | Format - Ascii format string see file header for more details.\r | |
636 | \r | |
637 | ... - Vararg list consumed by processing Format.\r | |
638 | \r | |
639 | Returns: \r | |
640 | \r | |
641 | Number of characters printed.\r | |
642 | \r | |
643 | --*/\r | |
644 | ;\r | |
645 | \r | |
646 | //\r | |
647 | // math.c\r | |
648 | //\r | |
649 | UINT64\r | |
650 | MultU64x32 (\r | |
651 | IN UINT64 Multiplicand,\r | |
652 | IN UINTN Multiplier\r | |
653 | )\r | |
654 | /*++ \r | |
655 | \r | |
656 | Routine Description:\r | |
657 | \r | |
658 | This routine allows a 64 bit value to be multiplied with a 32 bit \r | |
659 | value returns 64bit result.\r | |
660 | No checking if the result is greater than 64bits\r | |
661 | \r | |
662 | Arguments:\r | |
663 | \r | |
664 | Multiplicand - multiplicand\r | |
665 | Multiplier - multiplier\r | |
666 | \r | |
667 | Returns:\r | |
668 | \r | |
669 | Multiplicand * Multiplier\r | |
670 | \r | |
671 | --*/\r | |
672 | ;\r | |
673 | \r | |
674 | UINT64\r | |
675 | DivU64x32 (\r | |
676 | IN UINT64 Dividend,\r | |
677 | IN UINTN Divisor,\r | |
678 | OUT UINTN *Remainder OPTIONAL\r | |
679 | )\r | |
680 | /*++\r | |
681 | \r | |
682 | Routine Description:\r | |
683 | \r | |
684 | This routine allows a 64 bit value to be divided with a 32 bit value returns \r | |
685 | 64bit result and the Remainder.\r | |
686 | N.B. only works for 31bit divisors!!\r | |
687 | \r | |
688 | Arguments:\r | |
689 | \r | |
690 | Dividend - dividend\r | |
691 | Divisor - divisor\r | |
692 | Remainder - buffer for remainder\r | |
693 | \r | |
694 | Returns:\r | |
695 | \r | |
696 | Dividend / Divisor\r | |
697 | Remainder = Dividend mod Divisor\r | |
698 | \r | |
699 | --*/\r | |
700 | ;\r | |
701 | \r | |
702 | UINT64\r | |
703 | RShiftU64 (\r | |
704 | IN UINT64 Operand,\r | |
705 | IN UINTN Count\r | |
706 | )\r | |
707 | /*++\r | |
708 | \r | |
709 | Routine Description:\r | |
710 | \r | |
711 | This routine allows a 64 bit value to be right shifted by 32 bits and returns the \r | |
712 | shifted value.\r | |
713 | Count is valid up 63. (Only Bits 0-5 is valid for Count)\r | |
714 | \r | |
715 | Arguments:\r | |
716 | \r | |
717 | Operand - Value to be shifted\r | |
718 | Count - Number of times to shift right.\r | |
719 | \r | |
720 | Returns:\r | |
721 | \r | |
722 | Value shifted right identified by the Count.\r | |
723 | \r | |
724 | --*/\r | |
725 | ;\r | |
726 | \r | |
727 | UINT64\r | |
728 | LShiftU64 (\r | |
729 | IN UINT64 Operand,\r | |
730 | IN UINTN Count\r | |
731 | )\r | |
732 | /*++\r | |
733 | \r | |
734 | Routine Description:\r | |
735 | \r | |
736 | This routine allows a 64 bit value to be left shifted by 32 bits and \r | |
737 | returns the shifted value.\r | |
738 | Count is valid up 63. (Only Bits 0-5 is valid for Count)\r | |
739 | \r | |
740 | Arguments:\r | |
741 | \r | |
742 | Operand - Value to be shifted\r | |
743 | Count - Number of times to shift left.\r | |
744 | \r | |
745 | Returns:\r | |
746 | \r | |
747 | Value shifted left identified by the Count.\r | |
748 | \r | |
749 | --*/\r | |
750 | ;\r | |
751 | \r | |
752 | VOID\r | |
753 | RegisterNativeCpuIo (\r | |
754 | IN EFI_PEI_SERVICES **PeiServices,\r | |
755 | IN VOID *CpuIo\r | |
756 | )\r | |
757 | /*++\r | |
758 | \r | |
759 | Routine Description:\r | |
760 | \r | |
761 | Register a native Cpu IO\r | |
762 | \r | |
763 | Arguments:\r | |
764 | \r | |
765 | PeiServices - Calling context\r | |
766 | CpuIo - CpuIo instance to register\r | |
767 | \r | |
768 | Returns:\r | |
769 | \r | |
770 | None\r | |
771 | \r | |
772 | --*/\r | |
773 | ;\r | |
774 | \r | |
775 | VOID\r | |
776 | GetNativeCpuIo (\r | |
777 | IN EFI_PEI_SERVICES **PeiServices,\r | |
778 | OUT VOID **CpuIo\r | |
779 | )\r | |
780 | /*++\r | |
781 | \r | |
782 | Routine Description:\r | |
783 | \r | |
784 | Get registered Cpu IO.\r | |
785 | \r | |
786 | Arguments:\r | |
787 | \r | |
788 | PeiServices - Calling context\r | |
789 | CpuIo - CpuIo instance registered before\r | |
790 | \r | |
791 | Returns:\r | |
792 | \r | |
793 | None\r | |
794 | \r | |
795 | --*/\r | |
796 | ;\r | |
797 | \r | |
798 | #endif\r |