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79964ac8 1/** @file\r
9f6f9534 2 Include file for definitions in the Intel Platform Innovation Framework for EFI\r
3 System Management Mode Core Interface Specification (SMM CIS) version 0.90.\r
79964ac8 4\r
9f6f9534 5 Copyright (c) 2007 - 2009, Intel Corporation\r
79964ac8 6 All rights reserved. This program and the accompanying materials\r
7 are licensed and made available under the terms and conditions of the BSD License\r
8 which accompanies this distribution. The full text of the license may be found at\r
9 http://opensource.org/licenses/bsd-license.php\r
10\r
11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
13\r
79964ac8 14**/\r
15\r
108854b2
LG
16#ifndef _SMM_CIS_H_\r
17#define _SMM_CIS_H_\r
79964ac8 18\r
a2bb197e 19//\r
20// Share some common definitions with PI SMM\r
21//\r
22#include <Pi/PiSmmCis.h>\r
23#include <Protocol/SmmCpuIo.h>\r
24\r
79964ac8 25#define EFI_SMM_CPU_IO_GUID \\r
26 { \\r
27 0x5f439a0b, 0x45d8, 0x4682, {0xa4, 0xf4, 0xf0, 0x57, 0x6b, 0x51, 0x34, 0x41 } \\r
28 }\r
29\r
30typedef struct _EFI_SMM_SYSTEM_TABLE EFI_SMM_SYSTEM_TABLE;\r
31typedef struct _EFI_SMM_CPU_IO_INTERFACE EFI_SMM_CPU_IO_INTERFACE;\r
32\r
33\r
34//\r
35// SMM Base specification constant and types\r
36//\r
79964ac8 37#define EFI_SMM_SYSTEM_TABLE_REVISION (0 << 16) | (0x09)\r
38\r
79964ac8 39/**\r
40 Provides the basic memory and I/O interfaces that are used to\r
41 abstract accesses to devices.\r
42\r
43 @param This The EFI_SMM_CPU_IO_INTERFACE instance.\r
44 @param Width Signifies the width of the I/O operations.\r
45 @param Address The base address of the I/O operations.\r
46 @param Count The number of I/O operations to perform.\r
5259c97d 47 @param Buffer For read operations, the destination buffer to store the results (out parameter).\r
48 For write operations, the source buffer from which to write data (in parameter).\r
79964ac8 49\r
50 @retval EFI_SUCCESS The data was read from or written to the device.\r
51 @retval EFI_UNSUPPORTED The Address is not valid for this system.\r
52 @retval EFI_INVALID_PARAMETER Width or Count, or both, were invalid.\r
53 @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.\r
54\r
55**/\r
56typedef\r
57EFI_STATUS\r
69686d56 58(EFIAPI *EFI_SMM_CPU_IO)(\r
79964ac8 59 IN EFI_SMM_CPU_IO_INTERFACE *This,\r
60 IN EFI_SMM_IO_WIDTH Width,\r
61 IN UINT64 Address,\r
62 IN UINTN Count,\r
63 IN OUT VOID *Buffer\r
64 );\r
65\r
66typedef struct {\r
2bbaeb0d 67 EFI_SMM_CPU_IO Read; ///< This service provides the various modalities of memory and I/O read.\r
68 EFI_SMM_CPU_IO Write; ///< This service provides the various modalities of memory and I/O write.\r
79964ac8 69} EFI_SMM_IO_ACCESS;\r
70\r
470d0b27 71///\r
72/// The EFI_SMM_CPU_IO_INTERFACE service provides the basic memory, I/O, and PCI\r
73/// interfaces that are used to abstract accesses to devices.\r
74///\r
79964ac8 75struct _EFI_SMM_CPU_IO_INTERFACE {\r
470d0b27 76 ///\r
77 /// Allows reads and writes to memory-mapped I/O space. \r
78 ///\r
79964ac8 79 EFI_SMM_IO_ACCESS Mem;\r
470d0b27 80 ///\r
81 /// Allows reads and writes to I/O space. \r
82 ///\r
79964ac8 83 EFI_SMM_IO_ACCESS Io;\r
84};\r
85\r
86/**\r
87 Allocates pool memory from SMRAM for IA-32 or runtime memory for\r
88 the Itanium processor family.\r
89\r
5259c97d 90 @param PoolType The type of pool to allocate. The only supported type is EfiRuntimeServicesData\r
79964ac8 91 @param Size The number of bytes to allocate from the pool.\r
92 @param Buffer A pointer to a pointer to the allocated buffer if the call\r
93 succeeds; undefined otherwise.\r
94\r
95 @retval EFI_SUCCESS The requested number of bytes was allocated.\r
96 @retval EFI_OUT_OF_RESOURCES The pool requested could not be allocated.\r
97 @retval EFI_UNSUPPORTED In runtime.\r
6d1824fc 98 @note: Inconsistent with specification here:\r
27d9ad06 99 In Framework Spec, this definition is named EFI_SMM_ALLOCATE_POOL. \r
100 To avoid a naming conflict, the definition is renamed.\r
79964ac8 101**/\r
102typedef\r
103EFI_STATUS\r
69686d56 104(EFIAPI *EFI_SMMCORE_ALLOCATE_POOL)(\r
79964ac8 105 IN EFI_MEMORY_TYPE PoolType,\r
106 IN UINTN Size,\r
107 OUT VOID **Buffer\r
108 );\r
109\r
110/**\r
111 Returns pool memory to the system.\r
112\r
113 @param Buffer Pointer to the buffer to free.\r
114\r
115 @retval EFI_SUCCESS The memory was returned to the system.\r
116 @retval EFI_INVALID_PARAMETER Buffer was invalid.\r
117 @retval EFI_UNSUPPORTED In runtime.\r
6d1824fc 118 @note: Inconsistent with specification here:\r
27d9ad06 119 In Framework Spec, this definition is named EFI_SMM_FREE_POOL. \r
120 To avoid a naming conflict, the definition is renamed. \r
79964ac8 121**/\r
122typedef\r
123EFI_STATUS\r
69686d56 124(EFIAPI *EFI_SMMCORE_FREE_POOL)(\r
79964ac8 125 IN VOID *Buffer\r
126 );\r
127\r
128/**\r
129 Allocates memory pages from the system.\r
130\r
131 @param Type The type of allocation to perform.\r
132 @param MemoryType The only supported type is EfiRuntimeServicesData\r
133 @param NumberofPages The number of contiguous 4 KB pages to allocate\r
134 @param Memory Pointer to a physical address. On input, the way in which\r
135 the address is used depends on the value of Type. On output, the address\r
136 is set to the base of the page range that was allocated.\r
137\r
138 @retval EFI_SUCCESS The requested pages were allocated.\r
139 @retval EFI_OUT_OF_RESOURCES The pages requested could not be allocated.\r
140 @retval EFI_NOT_FOUND The requested pages could not be found.\r
141 @retval EFI_INVALID_PARAMETER Type is not AllocateAnyPages or AllocateMaxAddress\r
142 or AllocateAddress. Or MemoryType is in the range EfiMaxMemoryType..0x7FFFFFFF.\r
6d1824fc 143 @note: Inconsistent with specification here:\r
5259c97d 144 In the Framework Spec, this definition is named EFI_SMM_ALLOCATE_PAGES. \r
145 To avoid a naming conflict, the definition here is renamed.\r
79964ac8 146**/\r
147typedef\r
148EFI_STATUS\r
69686d56 149(EFIAPI *EFI_SMMCORE_ALLOCATE_PAGES)(\r
79964ac8 150 IN EFI_ALLOCATE_TYPE Type,\r
151 IN EFI_MEMORY_TYPE MemoryType,\r
152 IN UINTN NumberOfPages,\r
153 OUT EFI_PHYSICAL_ADDRESS *Memory\r
154 );\r
155\r
156/**\r
157 Frees memory pages for the system.\r
158\r
159 @param Memory The base physical address of the pages to be freed\r
160 @param NumberOfPages The number of contiguous 4 KB pages to free.\r
161\r
162 @retval EFI_SUCCESS The requested memory pages were freed.\r
163 @retval EFI_INVALID_PARAMETER Memory is not a page-aligned address or NumberOfPages is invalid.\r
164 @retval EFI_NOT_FOUND The requested memory pages were not allocated with SmmAllocatePages().\r
18d7ae2e 165 \r
6d1824fc 166 @note: Inconsistent with specification here:\r
5259c97d 167 In the Framework Spec, this definition is named EFI_SMM_FREE_PAGES. \r
168 To avoid a naming conflict, the definition here is renamed.\r
79964ac8 169**/\r
170typedef\r
171EFI_STATUS\r
69686d56 172(EFIAPI *EFI_SMMCORE_FREE_PAGES)(\r
79964ac8 173 IN EFI_PHYSICAL_ADDRESS Memory,\r
174 IN UINTN NumberOfPages\r
175 );\r
b6d47a83 176\r
470d0b27 177///\r
178/// The processor save-state information for IA-32 processors. This information is important in that the\r
179/// SMM drivers may need to ascertain the state of the processor before invoking the SMI.\r
180///\r
79964ac8 181typedef struct {\r
470d0b27 182 ///\r
183 /// Reserved for future processors. As such, software should not attempt to interpret or\r
184 /// write to this region.\r
185 ///\r
79964ac8 186 UINT8 Reserved1[248];\r
470d0b27 187 ///\r
188 /// The location of the processor SMBASE, which is the location where the processor\r
189 /// will pass control upon receipt of an SMI.\r
190 ///\r
79964ac8 191 UINT32 SMBASE;\r
470d0b27 192 ///\r
193 /// The revision of the SMM save state. This value is set by the processor.\r
194 ///\r
79964ac8 195 UINT32 SMMRevId;\r
470d0b27 196 ///\r
197 /// The value of the I/O restart field. Allows for restarting an in-process I/O instruction.\r
198 ///\r
79964ac8 199 UINT16 IORestart;\r
470d0b27 200 ///\r
201 /// Describes behavior that should be commenced in response to a halt instruction.\r
202 ///\r
79964ac8 203 UINT16 AutoHALTRestart;\r
470d0b27 204 ///\r
205 /// Reserved for future processors. As such, software should not attempt to interpret or\r
206 /// write to this region.\r
207 ///\r
79964ac8 208 UINT8 Reserved2[164];\r
470d0b27 209\r
210 //\r
211 // Registers in IA-32 processors. \r
212 //\r
79964ac8 213 UINT32 ES;\r
214 UINT32 CS;\r
215 UINT32 SS;\r
216 UINT32 DS;\r
217 UINT32 FS;\r
218 UINT32 GS;\r
219 UINT32 LDTBase;\r
220 UINT32 TR;\r
221 UINT32 DR7;\r
222 UINT32 DR6;\r
223 UINT32 EAX;\r
224 UINT32 ECX;\r
225 UINT32 EDX;\r
226 UINT32 EBX;\r
227 UINT32 ESP;\r
228 UINT32 EBP;\r
229 UINT32 ESI;\r
230 UINT32 EDI;\r
231 UINT32 EIP;\r
232 UINT32 EFLAGS;\r
233 UINT32 CR3;\r
234 UINT32 CR0;\r
235} EFI_SMI_CPU_SAVE_STATE;\r
236\r
470d0b27 237///\r
238/// The processor save-state information for the Itanium processor family. This information is\r
239/// important in that the SMM drivers may need to ascertain the state of the processor before invoking\r
240/// the PMI. This structure is mandatory and must be 512 byte aligned.\r
241/// \r
79964ac8 242typedef struct {\r
243 UINT64 reserved;\r
244 UINT64 r1;\r
245 UINT64 r2;\r
246 UINT64 r3;\r
247 UINT64 r4;\r
248 UINT64 r5;\r
249 UINT64 r6;\r
250 UINT64 r7;\r
251 UINT64 r8;\r
252 UINT64 r9;\r
253 UINT64 r10;\r
254 UINT64 r11;\r
255 UINT64 r12;\r
256 UINT64 r13;\r
257 UINT64 r14;\r
258 UINT64 r15;\r
259 UINT64 r16;\r
260 UINT64 r17;\r
261 UINT64 r18;\r
262 UINT64 r19;\r
263 UINT64 r20;\r
264 UINT64 r21;\r
265 UINT64 r22;\r
266 UINT64 r23;\r
267 UINT64 r24;\r
268 UINT64 r25;\r
269 UINT64 r26;\r
270 UINT64 r27;\r
271 UINT64 r28;\r
272 UINT64 r29;\r
273 UINT64 r30;\r
274 UINT64 r31;\r
275\r
276 UINT64 pr;\r
277\r
278 UINT64 b0;\r
279 UINT64 b1;\r
280 UINT64 b2;\r
281 UINT64 b3;\r
282 UINT64 b4;\r
283 UINT64 b5;\r
284 UINT64 b6;\r
285 UINT64 b7;\r
286\r
287 // application registers\r
288 UINT64 ar_rsc;\r
289 UINT64 ar_bsp;\r
290 UINT64 ar_bspstore;\r
291 UINT64 ar_rnat;\r
292\r
293 UINT64 ar_fcr;\r
294\r
295 UINT64 ar_eflag;\r
296 UINT64 ar_csd;\r
297 UINT64 ar_ssd;\r
298 UINT64 ar_cflg;\r
299 UINT64 ar_fsr;\r
300 UINT64 ar_fir;\r
301 UINT64 ar_fdr;\r
302\r
303 UINT64 ar_ccv;\r
304\r
305 UINT64 ar_unat;\r
306\r
307 UINT64 ar_fpsr;\r
308\r
309 UINT64 ar_pfs;\r
310 UINT64 ar_lc;\r
311 UINT64 ar_ec;\r
312\r
313 // control registers\r
314 UINT64 cr_dcr;\r
315 UINT64 cr_itm;\r
316 UINT64 cr_iva;\r
317 UINT64 cr_pta;\r
318 UINT64 cr_ipsr;\r
319 UINT64 cr_isr;\r
320 UINT64 cr_iip;\r
321 UINT64 cr_ifa;\r
322 UINT64 cr_itir;\r
323 UINT64 cr_iipa;\r
324 UINT64 cr_ifs;\r
325 UINT64 cr_iim;\r
326 UINT64 cr_iha;\r
327\r
328 // debug registers\r
329 UINT64 dbr0;\r
330 UINT64 dbr1;\r
331 UINT64 dbr2;\r
332 UINT64 dbr3;\r
333 UINT64 dbr4;\r
334 UINT64 dbr5;\r
335 UINT64 dbr6;\r
336 UINT64 dbr7;\r
337\r
338 UINT64 ibr0;\r
339 UINT64 ibr1;\r
340 UINT64 ibr2;\r
341 UINT64 ibr3;\r
342 UINT64 ibr4;\r
343 UINT64 ibr5;\r
344 UINT64 ibr6;\r
345 UINT64 ibr7;\r
346\r
347 // virtual registers\r
348 UINT64 int_nat; // nat bits for R1-R31\r
349\r
350} EFI_PMI_SYSTEM_CONTEXT;\r
351\r
470d0b27 352///\r
353/// The processor save-state information for IA-32 and Itanium processors. This information is\r
354/// important in that the SMM drivers may need to ascertain the state of the processor before invoking\r
355/// the SMI or PMI.\r
356///\r
79964ac8 357typedef union {\r
470d0b27 358 ///\r
359 /// The processor save-state information for IA-32 processors. \r
360 ///\r
79964ac8 361 EFI_SMI_CPU_SAVE_STATE Ia32SaveState;\r
470d0b27 362 ///\r
363 /// The processor save-state information for Itanium processors.\r
364 ///\r
79964ac8 365 EFI_PMI_SYSTEM_CONTEXT ItaniumSaveState;\r
366} EFI_SMM_CPU_SAVE_STATE;\r
367\r
470d0b27 368///\r
369/// The optional floating point save-state information for IA-32 processors. If the optional floating\r
370/// point save is indicated for any handler, the following data structure must be preserved.\r
371///\r
79964ac8 372typedef struct {\r
373 UINT16 Fcw;\r
374 UINT16 Fsw;\r
375 UINT16 Ftw;\r
376 UINT16 Opcode;\r
377 UINT32 Eip;\r
378 UINT16 Cs;\r
379 UINT16 Rsvd1;\r
380 UINT32 DataOffset;\r
381 UINT16 Ds;\r
382 UINT8 Rsvd2[10];\r
383 UINT8 St0Mm0[10], Rsvd3[6];\r
384 UINT8 St0Mm1[10], Rsvd4[6];\r
385 UINT8 St0Mm2[10], Rsvd5[6];\r
386 UINT8 St0Mm3[10], Rsvd6[6];\r
387 UINT8 St0Mm4[10], Rsvd7[6];\r
388 UINT8 St0Mm5[10], Rsvd8[6];\r
389 UINT8 St0Mm6[10], Rsvd9[6];\r
390 UINT8 St0Mm7[10], Rsvd10[6];\r
391 UINT8 Rsvd11[22*16];\r
392} EFI_SMI_OPTIONAL_FPSAVE_STATE;\r
393\r
470d0b27 394///\r
395/// The optional floating point save-state information for the Itanium processor family. If the optional\r
396/// floating point save is indicated for any handler, then this data structure must be preserved. \r
397/// \r
79964ac8 398typedef struct {\r
399 UINT64 f2[2];\r
400 UINT64 f3[2];\r
401 UINT64 f4[2];\r
402 UINT64 f5[2];\r
403 UINT64 f6[2];\r
404 UINT64 f7[2];\r
405 UINT64 f8[2];\r
406 UINT64 f9[2];\r
407 UINT64 f10[2];\r
408 UINT64 f11[2];\r
409 UINT64 f12[2];\r
410 UINT64 f13[2];\r
411 UINT64 f14[2];\r
412 UINT64 f15[2];\r
413 UINT64 f16[2];\r
414 UINT64 f17[2];\r
415 UINT64 f18[2];\r
416 UINT64 f19[2];\r
417 UINT64 f20[2];\r
418 UINT64 f21[2];\r
419 UINT64 f22[2];\r
420 UINT64 f23[2];\r
421 UINT64 f24[2];\r
422 UINT64 f25[2];\r
423 UINT64 f26[2];\r
424 UINT64 f27[2];\r
425 UINT64 f28[2];\r
426 UINT64 f29[2];\r
427 UINT64 f30[2];\r
428 UINT64 f31[2];\r
429} EFI_PMI_OPTIONAL_FLOATING_POINT_CONTEXT;\r
430\r
470d0b27 431///\r
432/// The processor save-state information for IA-32 and Itanium processors. If the optional floating\r
433/// point save is indicated for any handler, then this data structure must be preserved.\r
434///\r
79964ac8 435typedef union {\r
470d0b27 436 /// \r
437 /// The optional floating point save-state information for IA-32 processors. \r
438 ///\r
79964ac8 439 EFI_SMI_OPTIONAL_FPSAVE_STATE Ia32FpSave;\r
470d0b27 440 ///\r
441 /// The optional floating point save-state information for Itanium processors. \r
442 ///\r
79964ac8 443 EFI_PMI_OPTIONAL_FLOATING_POINT_CONTEXT ItaniumFpSave;\r
444} EFI_SMM_FLOATING_POINT_SAVE_STATE;\r
445\r
446/**\r
447 This function is the main entry point for an SMM handler dispatch\r
448 or communicate-based callback.\r
449\r
450 @param SmmImageHandle A unique value returned by the SMM infrastructure\r
451 in response to registration for a communicate-based callback or dispatch.\r
452 @param CommunicationBuffer\r
453 An optional buffer that will be populated\r
454 by the SMM infrastructure in response to a non-SMM agent (preboot or runtime)\r
455 invoking the EFI_SMM_BASE_PROTOCOL.Communicate() service.\r
456 @param SourceSize If CommunicationBuffer is non-NULL, this field\r
457 indicates the size of the data payload in this buffer.\r
458\r
459 @return Status Code\r
460\r
461**/\r
462typedef\r
463EFI_STATUS\r
69686d56 464(EFIAPI *EFI_SMM_HANDLER_ENTRY_POINT)(\r
79964ac8 465 IN EFI_HANDLE SmmImageHandle,\r
466 IN OUT VOID *CommunicationBuffer OPTIONAL,\r
467 IN OUT UINTN *SourceSize OPTIONAL\r
468 );\r
469\r
470/**\r
471 The SmmInstallConfigurationTable() function is used to maintain the list\r
472 of configuration tables that are stored in the System Management System\r
473 Table. The list is stored as an array of (GUID, Pointer) pairs. The list\r
474 must be allocated from pool memory with PoolType set to EfiRuntimeServicesData.\r
475\r
476 @param SystemTable A pointer to the SMM System Table.\r
477 @param Guid A pointer to the GUID for the entry to add, update, or remove.\r
478 @param Table A pointer to the buffer of the table to add.\r
479 @param TableSize The size of the table to install.\r
480\r
481 @retval EFI_SUCCESS The (Guid, Table) pair was added, updated, or removed.\r
482 @retval EFI_INVALID_PARAMETER Guid is not valid.\r
483 @retval EFI_NOT_FOUND An attempt was made to delete a non-existent entry.\r
484 @retval EFI_OUT_OF_RESOURCES There is not enough memory available to complete the operation.\r
485\r
486**/\r
487typedef\r
488EFI_STATUS\r
69686d56 489(EFIAPI *EFI_SMM_INSTALL_CONFIGURATION_TABLE)(\r
79964ac8 490 IN EFI_SMM_SYSTEM_TABLE *SystemTable,\r
491 IN EFI_GUID *Guid,\r
492 IN VOID *Table,\r
493 IN UINTN TableSize\r
494 );\r
495\r
496//\r
497// System Management System Table (SMST)\r
498//\r
499struct _EFI_SMM_SYSTEM_TABLE {\r
470d0b27 500 ///\r
501 /// The table header for the System Management System Table (SMST). \r
502 ///\r
79964ac8 503 EFI_TABLE_HEADER Hdr;\r
504\r
470d0b27 505 ///\r
506 /// A pointer to a NULL-terminated Unicode string containing the vendor name. It is\r
507 /// permissible for this pointer to be NULL.\r
508 ///\r
79964ac8 509 CHAR16 *SmmFirmwareVendor;\r
470d0b27 510 ///\r
511 /// The particular revision of the firmware.\r
512 ///\r
79964ac8 513 UINT32 SmmFirmwareRevision;\r
514\r
470d0b27 515 ///\r
516 /// Adds, updates, or removes a configuration table entry from the SMST. \r
517 ///\r
79964ac8 518 EFI_SMM_INSTALL_CONFIGURATION_TABLE SmmInstallConfigurationTable;\r
519\r
520 //\r
521 // I/O Services\r
522 //\r
470d0b27 523 ///\r
524 /// A GUID that designates the particular CPU I/O services. \r
525 ///\r
79964ac8 526 EFI_GUID EfiSmmCpuIoGuid;\r
470d0b27 527 ///\r
528 /// Provides the basic memory and I/O interfaces that are used to abstract accesses to\r
529 /// devices.\r
530 ///\r
79964ac8 531 EFI_SMM_CPU_IO_INTERFACE SmmIo;\r
532\r
533 //\r
534 // Runtime memory service\r
535 //\r
470d0b27 536 ///\r
18d7ae2e 537 ///\r
470d0b27 538 /// Allocates pool memory from SMRAM for IA-32 or runtime memory for the\r
539 /// Itanium processor family.\r
540 ///\r
79964ac8 541 EFI_SMMCORE_ALLOCATE_POOL SmmAllocatePool;\r
470d0b27 542 ///\r
543 /// Returns pool memory to the system. \r
544 ///\r
79964ac8 545 EFI_SMMCORE_FREE_POOL SmmFreePool;\r
470d0b27 546 ///\r
547 /// Allocates memory pages from the system. \r
548 ///\r
79964ac8 549 EFI_SMMCORE_ALLOCATE_PAGES SmmAllocatePages;\r
470d0b27 550 ///\r
551 /// Frees memory pages for the system.\r
552 ///\r
79964ac8 553 EFI_SMMCORE_FREE_PAGES SmmFreePages;\r
554\r
555 //\r
556 // MP service\r
557 //\r
18d7ae2e 558 \r
559 ///Inconsistent with specification here:\r
69c8f27c 560 /// In Framework Spec, this definition does not exist. This method is introduced in PI1.1 spec for \r
18d7ae2e 561 /// implementation needed.\r
79964ac8 562 EFI_SMM_STARTUP_THIS_AP SmmStartupThisAp;\r
563\r
564 //\r
565 // CPU information records\r
566 //\r
470d0b27 567 ///\r
568 /// A 1-relative number between 1 and the NumberOfCpus field. This field designates\r
569 /// which processor is executing the SMM infrastructure. This number also serves as an\r
570 /// index into the CpuSaveState and CpuOptionalFloatingPointState\r
571 /// fields.\r
572 ///\r
79964ac8 573 UINTN CurrentlyExecutingCpu;\r
470d0b27 574 ///\r
575 /// The number of EFI Configuration Tables in the buffer\r
576 /// SmmConfigurationTable.\r
577 ///\r
79964ac8 578 UINTN NumberOfCpus;\r
470d0b27 579 ///\r
580 /// A pointer to the EFI Configuration Tables. The number of entries in the table is\r
581 /// NumberOfTableEntries.\r
582 ///\r
79964ac8 583 EFI_SMM_CPU_SAVE_STATE *CpuSaveState;\r
470d0b27 584 ///\r
585 /// A pointer to a catenation of the EFI_SMM_FLOATING_POINT_SAVE_STATE.\r
586 /// The size of this entire table is NumberOfCpus* size of the\r
587 /// EFI_SMM_FLOATING_POINT_SAVE_STATE. These fields are populated only if\r
588 /// there is at least one SMM driver that has registered for a callback with the\r
589 /// FloatingPointSave field in EFI_SMM_BASE_PROTOCOL.RegisterCallback() set to TRUE.\r
590 ///\r
79964ac8 591 EFI_SMM_FLOATING_POINT_SAVE_STATE *CpuOptionalFloatingPointState;\r
592\r
593 //\r
594 // Extensibility table\r
595 //\r
470d0b27 596 ///\r
597 /// The number of EFI Configuration Tables in the buffer\r
598 /// SmmConfigurationTable.\r
599 ///\r
79964ac8 600 UINTN NumberOfTableEntries;\r
470d0b27 601 ///\r
602 /// A pointer to the EFI Configuration Tables. The number of entries in the table is\r
603 /// NumberOfTableEntries.\r
604 ///\r
79964ac8 605 EFI_CONFIGURATION_TABLE *SmmConfigurationTable;\r
606};\r
607\r
608#endif\r