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Commit | Line | Data |
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bdfde462 | 1 | /** @file\r |
2 | Implementation for S3 SMM Boot Script Saver state driver.\r | |
3 | \r | |
d1102dba | 4 | Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>\r |
bdfde462 | 5 | \r |
9d510e61 | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
bdfde462 | 7 | \r |
8 | **/\r | |
9 | #include "InternalSmmSaveState.h"\r | |
10 | \r | |
1436aea4 MK |
11 | EFI_S3_SMM_SAVE_STATE_PROTOCOL mS3SmmSaveState = {\r |
12 | BootScriptWrite,\r | |
13 | BootScriptInsert,\r | |
14 | BootScriptLabel,\r | |
15 | BootScriptCompare\r | |
16 | };\r | |
17 | \r | |
bdfde462 | 18 | /**\r |
19 | Internal function to add IO write opcode to the table.\r | |
20 | \r | |
21 | @param Marker The variable argument list to get the opcode\r | |
22 | and associated attributes.\r | |
23 | \r | |
24 | @retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.\r | |
25 | @retval EFI_SUCCESS Opcode is added.\r | |
26 | \r | |
27 | **/\r | |
28 | EFI_STATUS\r | |
29 | BootScriptWriteIoWrite (\r | |
1436aea4 | 30 | IN VA_LIST Marker\r |
bdfde462 | 31 | )\r |
32 | {\r | |
1436aea4 MK |
33 | S3_BOOT_SCRIPT_LIB_WIDTH Width;\r |
34 | UINT64 Address;\r | |
35 | UINTN Count;\r | |
36 | UINT8 *Buffer;\r | |
bdfde462 | 37 | \r |
1436aea4 MK |
38 | Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);\r |
39 | Address = VA_ARG (Marker, UINT64);\r | |
40 | Count = VA_ARG (Marker, UINTN);\r | |
41 | Buffer = VA_ARG (Marker, UINT8 *);\r | |
d1102dba | 42 | \r |
bdfde462 | 43 | return S3BootScriptSaveIoWrite (Width, Address, Count, Buffer);\r |
44 | }\r | |
1436aea4 | 45 | \r |
bdfde462 | 46 | /**\r |
47 | Internal function to add IO read/write opcode to the table.\r | |
48 | \r | |
49 | @param Marker The variable argument list to get the opcode\r | |
50 | and associated attributes.\r | |
51 | \r | |
52 | @retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.\r | |
53 | @retval EFI_SUCCESS Opcode is added.\r | |
54 | \r | |
55 | **/\r | |
56 | EFI_STATUS\r | |
57 | BootScriptWriteIoReadWrite (\r | |
1436aea4 | 58 | IN VA_LIST Marker\r |
bdfde462 | 59 | )\r |
60 | {\r | |
1436aea4 MK |
61 | S3_BOOT_SCRIPT_LIB_WIDTH Width;\r |
62 | UINT64 Address;\r | |
63 | UINT8 *Data;\r | |
64 | UINT8 *DataMask;\r | |
d1102dba | 65 | \r |
1436aea4 MK |
66 | Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);\r |
67 | Address = VA_ARG (Marker, UINT64);\r | |
68 | Data = VA_ARG (Marker, UINT8 *);\r | |
69 | DataMask = VA_ARG (Marker, UINT8 *);\r | |
d1102dba | 70 | \r |
bdfde462 | 71 | return S3BootScriptSaveIoReadWrite (Width, Address, Data, DataMask);\r |
72 | }\r | |
73 | \r | |
74 | /**\r | |
75 | Internal function to add memory write opcode to the table.\r | |
76 | \r | |
77 | @param Marker The variable argument list to get the opcode\r | |
78 | and associated attributes.\r | |
79 | \r | |
80 | @retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.\r | |
81 | @retval EFI_SUCCESS Opcode is added.\r | |
82 | \r | |
83 | **/\r | |
84 | EFI_STATUS\r | |
85 | BootScriptWriteMemWrite (\r | |
1436aea4 | 86 | IN VA_LIST Marker\r |
bdfde462 | 87 | )\r |
88 | {\r | |
1436aea4 MK |
89 | S3_BOOT_SCRIPT_LIB_WIDTH Width;\r |
90 | UINT64 Address;\r | |
91 | UINTN Count;\r | |
92 | UINT8 *Buffer;\r | |
d1102dba | 93 | \r |
1436aea4 MK |
94 | Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);\r |
95 | Address = VA_ARG (Marker, UINT64);\r | |
96 | Count = VA_ARG (Marker, UINTN);\r | |
97 | Buffer = VA_ARG (Marker, UINT8 *);\r | |
bdfde462 | 98 | \r |
99 | return S3BootScriptSaveMemWrite (Width, Address, Count, Buffer);\r | |
100 | }\r | |
101 | \r | |
102 | /**\r | |
103 | Internal function to add memory read/write opcode to the table.\r | |
104 | \r | |
105 | @param Marker The variable argument list to get the opcode\r | |
106 | and associated attributes.\r | |
107 | \r | |
108 | @retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.\r | |
109 | @retval EFI_SUCCESS Opcode is added.\r | |
110 | \r | |
111 | **/\r | |
112 | EFI_STATUS\r | |
113 | BootScriptWriteMemReadWrite (\r | |
1436aea4 | 114 | IN VA_LIST Marker\r |
bdfde462 | 115 | )\r |
116 | {\r | |
1436aea4 MK |
117 | S3_BOOT_SCRIPT_LIB_WIDTH Width;\r |
118 | UINT64 Address;\r | |
119 | UINT8 *Data;\r | |
120 | UINT8 *DataMask;\r | |
d1102dba | 121 | \r |
1436aea4 MK |
122 | Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);\r |
123 | Address = VA_ARG (Marker, UINT64);\r | |
124 | Data = VA_ARG (Marker, UINT8 *);\r | |
125 | DataMask = VA_ARG (Marker, UINT8 *);\r | |
bdfde462 | 126 | \r |
127 | return S3BootScriptSaveMemReadWrite (Width, Address, Data, DataMask);\r | |
128 | }\r | |
129 | \r | |
130 | /**\r | |
131 | Internal function to add PciCfg write opcode to the table.\r | |
132 | \r | |
133 | @param Marker The variable argument list to get the opcode\r | |
134 | and associated attributes.\r | |
135 | \r | |
136 | @retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.\r | |
137 | @retval EFI_SUCCESS Opcode is added.\r | |
138 | \r | |
139 | **/\r | |
140 | EFI_STATUS\r | |
141 | BootScriptWritePciCfgWrite (\r | |
1436aea4 | 142 | IN VA_LIST Marker\r |
bdfde462 | 143 | )\r |
144 | {\r | |
1436aea4 MK |
145 | S3_BOOT_SCRIPT_LIB_WIDTH Width;\r |
146 | UINT64 Address;\r | |
147 | UINTN Count;\r | |
148 | UINT8 *Buffer;\r | |
bdfde462 | 149 | \r |
1436aea4 MK |
150 | Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);\r |
151 | Address = VA_ARG (Marker, UINT64);\r | |
152 | Count = VA_ARG (Marker, UINTN);\r | |
153 | Buffer = VA_ARG (Marker, UINT8 *);\r | |
bdfde462 | 154 | \r |
155 | return S3BootScriptSavePciCfgWrite (Width, Address, Count, Buffer);\r | |
156 | }\r | |
157 | \r | |
158 | /**\r | |
159 | Internal function to PciCfg read/write opcode to the table.\r | |
160 | \r | |
161 | @param Marker The variable argument list to get the opcode\r | |
162 | and associated attributes.\r | |
163 | \r | |
164 | @retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.\r | |
165 | @retval EFI_SUCCESS Opcode is added.\r | |
166 | \r | |
167 | **/\r | |
168 | EFI_STATUS\r | |
169 | BootScriptWritePciCfgReadWrite (\r | |
1436aea4 | 170 | IN VA_LIST Marker\r |
bdfde462 | 171 | )\r |
172 | {\r | |
1436aea4 MK |
173 | S3_BOOT_SCRIPT_LIB_WIDTH Width;\r |
174 | UINT64 Address;\r | |
175 | UINT8 *Data;\r | |
176 | UINT8 *DataMask;\r | |
bdfde462 | 177 | \r |
1436aea4 MK |
178 | Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);\r |
179 | Address = VA_ARG (Marker, UINT64);\r | |
180 | Data = VA_ARG (Marker, UINT8 *);\r | |
181 | DataMask = VA_ARG (Marker, UINT8 *);\r | |
bdfde462 | 182 | \r |
183 | return S3BootScriptSavePciCfgReadWrite (Width, Address, Data, DataMask);\r | |
184 | }\r | |
1436aea4 | 185 | \r |
bdfde462 | 186 | /**\r |
187 | Internal function to add PciCfg2 write opcode to the table.\r | |
188 | \r | |
189 | @param Marker The variable argument list to get the opcode\r | |
190 | and associated attributes.\r | |
191 | \r | |
192 | @retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.\r | |
193 | @retval EFI_SUCCESS Opcode is added.\r | |
194 | \r | |
195 | **/\r | |
196 | EFI_STATUS\r | |
197 | BootScriptWritePciCfg2Write (\r | |
1436aea4 | 198 | IN VA_LIST Marker\r |
bdfde462 | 199 | )\r |
200 | {\r | |
1436aea4 MK |
201 | S3_BOOT_SCRIPT_LIB_WIDTH Width;\r |
202 | UINT64 Address;\r | |
203 | UINTN Count;\r | |
204 | UINT8 *Buffer;\r | |
205 | UINT16 Segment;\r | |
206 | \r | |
207 | Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);\r | |
208 | Segment = VA_ARG (Marker, UINT16);\r | |
209 | Address = VA_ARG (Marker, UINT64);\r | |
210 | Count = VA_ARG (Marker, UINTN);\r | |
211 | Buffer = VA_ARG (Marker, UINT8 *);\r | |
bdfde462 | 212 | \r |
213 | return S3BootScriptSavePciCfg2Write (Width, Segment, Address, Count, Buffer);\r | |
214 | }\r | |
215 | \r | |
216 | /**\r | |
217 | Internal function to PciCfg2 read/write opcode to the table.\r | |
218 | \r | |
219 | @param Marker The variable argument list to get the opcode\r | |
220 | and associated attributes.\r | |
221 | \r | |
222 | @retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.\r | |
223 | @retval EFI_SUCCESS Opcode is added.\r | |
224 | \r | |
225 | **/\r | |
226 | EFI_STATUS\r | |
227 | BootScriptWritePciCfg2ReadWrite (\r | |
1436aea4 | 228 | IN VA_LIST Marker\r |
bdfde462 | 229 | )\r |
230 | {\r | |
1436aea4 MK |
231 | S3_BOOT_SCRIPT_LIB_WIDTH Width;\r |
232 | UINT16 Segment;\r | |
233 | UINT64 Address;\r | |
234 | UINT8 *Data;\r | |
235 | UINT8 *DataMask;\r | |
236 | \r | |
237 | Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);\r | |
238 | Segment = VA_ARG (Marker, UINT16);\r | |
239 | Address = VA_ARG (Marker, UINT64);\r | |
240 | Data = VA_ARG (Marker, UINT8 *);\r | |
241 | DataMask = VA_ARG (Marker, UINT8 *);\r | |
d1102dba | 242 | \r |
bdfde462 | 243 | return S3BootScriptSavePciCfg2ReadWrite (Width, Segment, Address, Data, DataMask);\r |
244 | }\r | |
1436aea4 | 245 | \r |
bdfde462 | 246 | /**\r |
0a18956d | 247 | Internal function to add smbus execute opcode to the table.\r |
bdfde462 | 248 | \r |
249 | @param Marker The variable argument list to get the opcode\r | |
250 | and associated attributes.\r | |
251 | \r | |
252 | @retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.\r | |
253 | @retval EFI_SUCCESS Opcode is added.\r | |
254 | \r | |
255 | **/\r | |
256 | EFI_STATUS\r | |
257 | BootScriptWriteSmbusExecute (\r | |
1436aea4 | 258 | IN VA_LIST Marker\r |
bdfde462 | 259 | )\r |
260 | {\r | |
261 | EFI_SMBUS_DEVICE_ADDRESS SlaveAddress;\r | |
262 | EFI_SMBUS_DEVICE_COMMAND Command;\r | |
263 | EFI_SMBUS_OPERATION Operation;\r | |
264 | BOOLEAN PecCheck;\r | |
1436aea4 MK |
265 | VOID *Buffer;\r |
266 | UINTN *DataSize;\r | |
bdfde462 | 267 | UINTN SmBusAddress;\r |
d1102dba | 268 | \r |
bdfde462 | 269 | SlaveAddress.SmbusDeviceAddress = VA_ARG (Marker, UINTN);\r |
270 | Command = VA_ARG (Marker, EFI_SMBUS_DEVICE_COMMAND);\r | |
271 | Operation = VA_ARG (Marker, EFI_SMBUS_OPERATION);\r | |
272 | PecCheck = VA_ARG (Marker, BOOLEAN);\r | |
1436aea4 | 273 | SmBusAddress = SMBUS_LIB_ADDRESS (SlaveAddress.SmbusDeviceAddress, Command, 0, PecCheck);\r |
d1102dba | 274 | DataSize = VA_ARG (Marker, UINTN *);\r |
bdfde462 | 275 | Buffer = VA_ARG (Marker, VOID *);\r |
d1102dba | 276 | \r |
bdfde462 | 277 | return S3BootScriptSaveSmbusExecute (SmBusAddress, Operation, DataSize, Buffer);\r |
278 | }\r | |
1436aea4 | 279 | \r |
bdfde462 | 280 | /**\r |
281 | Internal function to add stall opcode to the table.\r | |
282 | \r | |
283 | @param Marker The variable argument list to get the opcode\r | |
284 | and associated attributes.\r | |
285 | \r | |
286 | @retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.\r | |
287 | @retval EFI_SUCCESS Opcode is added.\r | |
288 | \r | |
289 | **/\r | |
290 | EFI_STATUS\r | |
291 | BootScriptWriteStall (\r | |
1436aea4 | 292 | IN VA_LIST Marker\r |
bdfde462 | 293 | )\r |
294 | {\r | |
1436aea4 | 295 | UINT32 Duration;\r |
bdfde462 | 296 | \r |
1436aea4 | 297 | Duration = VA_ARG (Marker, UINT32);\r |
bdfde462 | 298 | \r |
299 | return S3BootScriptSaveStall (Duration);\r | |
300 | }\r | |
301 | \r | |
302 | /**\r | |
d1102dba | 303 | Internal function to add Save jmp address according to DISPATCH_OPCODE.\r |
bdfde462 | 304 | We ignore "Context" parameter\r |
305 | \r | |
306 | @param Marker The variable argument list to get the opcode\r | |
307 | and associated attributes.\r | |
308 | \r | |
309 | @retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.\r | |
310 | @retval EFI_SUCCESS Opcode is added.\r | |
311 | \r | |
312 | **/\r | |
313 | EFI_STATUS\r | |
314 | BootScriptWriteDispatch (\r | |
1436aea4 | 315 | IN VA_LIST Marker\r |
bdfde462 | 316 | )\r |
317 | {\r | |
1436aea4 | 318 | VOID *EntryPoint;\r |
bdfde462 | 319 | \r |
1436aea4 | 320 | EntryPoint = (VOID *)(UINTN)VA_ARG (Marker, EFI_PHYSICAL_ADDRESS);\r |
bdfde462 | 321 | return S3BootScriptSaveDispatch (EntryPoint);\r |
322 | }\r | |
323 | \r | |
324 | /**\r | |
d1102dba LG |
325 | Internal function to add memory pool operation to the table.\r |
326 | \r | |
bdfde462 | 327 | @param Marker The variable argument list to get the opcode\r |
328 | and associated attributes.\r | |
329 | \r | |
330 | @retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.\r | |
331 | @retval EFI_SUCCESS Opcode is added.\r | |
332 | \r | |
333 | **/\r | |
334 | EFI_STATUS\r | |
335 | BootScriptWriteMemPoll (\r | |
1436aea4 | 336 | IN VA_LIST Marker\r |
bdfde462 | 337 | )\r |
338 | {\r | |
1436aea4 MK |
339 | S3_BOOT_SCRIPT_LIB_WIDTH Width;\r |
340 | UINT64 Address;\r | |
d1102dba LG |
341 | VOID *Data;\r |
342 | VOID *DataMask;\r | |
1436aea4 MK |
343 | UINT64 Delay;\r |
344 | UINT64 LoopTimes;\r | |
345 | UINT32 Remainder;\r | |
30522140 | 346 | \r |
d1102dba LG |
347 | Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);\r |
348 | Address = VA_ARG (Marker, UINT64);\r | |
349 | Data = VA_ARG (Marker, VOID *);\r | |
350 | DataMask = VA_ARG (Marker, VOID *);\r | |
387ccad8 | 351 | Delay = VA_ARG (Marker, UINT64);\r |
bdfde462 | 352 | //\r |
30522140 SZ |
353 | // According to the spec, the interval between 2 polls is 100ns,\r |
354 | // but the unit of Duration for S3BootScriptSaveMemPoll() is microsecond(1000ns).\r | |
355 | // Duration * 1000ns * LoopTimes = Delay * 100ns\r | |
356 | // Duration will be minimum 1(microsecond) to be minimum deviation,\r | |
357 | // so LoopTimes = Delay / 10.\r | |
358 | //\r | |
387ccad8 | 359 | LoopTimes = DivU64x32Remainder (\r |
30522140 SZ |
360 | Delay,\r |
361 | 10,\r | |
362 | &Remainder\r | |
363 | );\r | |
364 | if (Remainder != 0) {\r | |
365 | //\r | |
366 | // If Remainder is not zero, LoopTimes will be rounded up by 1.\r | |
367 | //\r | |
1436aea4 | 368 | LoopTimes += 1;\r |
30522140 | 369 | }\r |
bdfde462 | 370 | \r |
1436aea4 | 371 | return S3BootScriptSaveMemPoll (Width, Address, DataMask, Data, 1, LoopTimes);\r |
bdfde462 | 372 | }\r |
373 | \r | |
374 | /**\r | |
d1102dba | 375 | Internal function to add Save jmp address according to DISPATCH_OPCODE2.\r |
bdfde462 | 376 | The "Context" parameter is not ignored.\r |
377 | \r | |
378 | @param Marker The variable argument list to get the opcode\r | |
379 | and associated attributes.\r | |
380 | \r | |
381 | @retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.\r | |
382 | @retval EFI_SUCCESS Opcode is added.\r | |
383 | \r | |
384 | **/\r | |
385 | EFI_STATUS\r | |
386 | BootScriptWriteDispatch2 (\r | |
1436aea4 | 387 | IN VA_LIST Marker\r |
bdfde462 | 388 | )\r |
389 | {\r | |
1436aea4 MK |
390 | VOID *EntryPoint;\r |
391 | VOID *Context;\r | |
bdfde462 | 392 | \r |
1436aea4 MK |
393 | EntryPoint = (VOID *)(UINTN)VA_ARG (Marker, EFI_PHYSICAL_ADDRESS);\r |
394 | Context = (VOID *)(UINTN)VA_ARG (Marker, EFI_PHYSICAL_ADDRESS);\r | |
bdfde462 | 395 | \r |
396 | return S3BootScriptSaveDispatch2 (EntryPoint, Context);\r | |
397 | }\r | |
1436aea4 | 398 | \r |
bdfde462 | 399 | /**\r |
400 | Internal function to add INFORAMTION opcode node to the table\r | |
401 | list.\r | |
402 | @param Marker The variable argument list to get the opcode\r | |
403 | and associated attributes.\r | |
404 | \r | |
405 | @retval EFI_OUT_OF_RESOURCES Not enought resource to complete the operations.\r | |
406 | @retval EFI_SUCCESS The opcode entry is added to the table\r | |
407 | successfully.\r | |
408 | **/\r | |
409 | EFI_STATUS\r | |
410 | BootScriptWriteInformation (\r | |
1436aea4 | 411 | IN VA_LIST Marker\r |
bdfde462 | 412 | )\r |
413 | {\r | |
414 | UINT32 InformationLength;\r | |
d1102dba | 415 | EFI_PHYSICAL_ADDRESS Information;\r |
bdfde462 | 416 | \r |
417 | InformationLength = VA_ARG (Marker, UINT32);\r | |
1436aea4 MK |
418 | Information = VA_ARG (Marker, EFI_PHYSICAL_ADDRESS);\r |
419 | return S3BootScriptSaveInformation (InformationLength, (VOID *)(UINTN)Information);\r | |
bdfde462 | 420 | }\r |
1436aea4 | 421 | \r |
bdfde462 | 422 | /**\r |
423 | Internal function to add IO poll opcode node to the table\r | |
424 | @param Marker The variable argument list to get the opcode\r | |
425 | and associated attributes.\r | |
426 | \r | |
427 | @retval EFI_OUT_OF_RESOURCES Not enought resource to complete the operations.\r | |
428 | @retval EFI_SUCCESS The opcode entry is added to the table\r | |
429 | successfully.\r | |
430 | **/\r | |
431 | EFI_STATUS\r | |
432 | BootScriptWriteIoPoll (\r | |
1436aea4 | 433 | IN VA_LIST Marker\r |
bdfde462 | 434 | )\r |
435 | {\r | |
1436aea4 MK |
436 | S3_BOOT_SCRIPT_LIB_WIDTH Width;\r |
437 | UINT64 Address;\r | |
438 | VOID *Data;\r | |
439 | VOID *DataMask;\r | |
440 | UINT64 Delay;\r | |
441 | \r | |
442 | Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);\r | |
443 | Address = VA_ARG (Marker, UINT64);\r | |
444 | Data = VA_ARG (Marker, VOID *);\r | |
445 | DataMask = VA_ARG (Marker, VOID *);\r | |
446 | Delay = (UINT64)VA_ARG (Marker, UINT64);\r | |
447 | \r | |
448 | return S3BootScriptSaveIoPoll (Width, Address, Data, DataMask, Delay);\r | |
bdfde462 | 449 | }\r |
1436aea4 | 450 | \r |
bdfde462 | 451 | /**\r |
452 | Internal function to add PCI config poll opcode node to the table\r | |
453 | \r | |
454 | @param Marker The variable argument list to get the opcode\r | |
455 | and associated attributes.\r | |
456 | \r | |
457 | @retval EFI_OUT_OF_RESOURCES Not enought resource to complete the operations.\r | |
458 | @retval EFI_SUCCESS The opcode entry is added to the table\r | |
459 | successfully.\r | |
460 | **/\r | |
461 | EFI_STATUS\r | |
462 | BootScriptWritePciConfigPoll (\r | |
1436aea4 | 463 | IN VA_LIST Marker\r |
bdfde462 | 464 | )\r |
465 | {\r | |
1436aea4 MK |
466 | S3_BOOT_SCRIPT_LIB_WIDTH Width;\r |
467 | UINT64 Address;\r | |
468 | VOID *Data;\r | |
469 | VOID *DataMask;\r | |
470 | UINT64 Delay;\r | |
d1102dba | 471 | \r |
1436aea4 MK |
472 | Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);\r |
473 | Address = VA_ARG (Marker, UINT64);\r | |
474 | Data = VA_ARG (Marker, VOID *);\r | |
475 | DataMask = VA_ARG (Marker, VOID *);\r | |
476 | Delay = (UINT64)VA_ARG (Marker, UINT64);\r | |
d1102dba | 477 | \r |
1436aea4 | 478 | return S3BootScriptSavePciPoll (Width, Address, Data, DataMask, Delay);\r |
bdfde462 | 479 | }\r |
1436aea4 | 480 | \r |
bdfde462 | 481 | /**\r |
482 | Internal function to add PCI config 2 poll opcode node to the table\r | |
483 | \r | |
484 | @param Marker The variable argument list to get the opcode\r | |
485 | and associated attributes.\r | |
486 | \r | |
487 | @retval EFI_OUT_OF_RESOURCES Not enought resource to complete the operations.\r | |
488 | @retval EFI_SUCCESS The opcode entry is added to the table\r | |
489 | successfully.\r | |
490 | **/\r | |
491 | EFI_STATUS\r | |
492 | BootScriptWritePciConfig2Poll (\r | |
1436aea4 | 493 | IN VA_LIST Marker\r |
bdfde462 | 494 | )\r |
495 | {\r | |
1436aea4 MK |
496 | S3_BOOT_SCRIPT_LIB_WIDTH Width;\r |
497 | UINT16 Segment;\r | |
498 | UINT64 Address;\r | |
499 | VOID *Data;\r | |
500 | VOID *DataMask;\r | |
501 | UINT64 Delay;\r | |
502 | \r | |
503 | Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);\r | |
504 | Segment = VA_ARG (Marker, UINT16);\r | |
505 | Address = VA_ARG (Marker, UINT64);\r | |
506 | Data = VA_ARG (Marker, VOID *);\r | |
507 | DataMask = VA_ARG (Marker, VOID *);\r | |
508 | Delay = (UINT64)VA_ARG (Marker, UINT64);\r | |
509 | \r | |
510 | return S3BootScriptSavePci2Poll (Width, Segment, Address, Data, DataMask, Delay);\r | |
bdfde462 | 511 | }\r |
512 | \r | |
513 | /**\r | |
514 | Adds a record into S3 boot script table.\r | |
515 | \r | |
516 | This function is used to store a boot script record into a given boot\r | |
d1102dba LG |
517 | script table. If the table specified by TableName is nonexistent in the\r |
518 | system, a new table will automatically be created and then the script record\r | |
519 | will be added into the new table. This function is responsible for allocating\r | |
bdfde462 | 520 | necessary memory for the script.\r |
521 | \r | |
d1102dba LG |
522 | This function has a variable parameter list. The exact parameter list depends on\r |
523 | the OpCode that is passed into the function. If an unsupported OpCode or illegal\r | |
bdfde462 | 524 | parameter list is passed in, this function returns EFI_INVALID_PARAMETER.\r |
525 | If there are not enough resources available for storing more scripts, this function returns\r | |
526 | EFI_OUT_OF_RESOURCES.\r | |
527 | \r | |
528 | @param This A pointer to the EFI_S3_SAVE_STATE_PROTOCOL instance.\r | |
529 | @param OpCode The operation code (opcode) number.\r | |
d1102dba LG |
530 | @param ... Argument list that is specific to each opcode.\r |
531 | \r | |
bdfde462 | 532 | @retval EFI_SUCCESS The operation succeeded. A record was added into the\r |
533 | specified script table.\r | |
534 | @retval EFI_INVALID_PARAMETER The parameter is illegal or the given boot script is not supported.\r | |
d1102dba | 535 | If the opcode is unknow or not supported because of the PCD\r |
bdfde462 | 536 | Feature Flags.\r |
537 | @retval EFI_OUT_OF_RESOURCES There is insufficient memory to store the boot script.\r | |
538 | \r | |
539 | **/\r | |
540 | EFI_STATUS\r | |
541 | EFIAPI\r | |
542 | BootScriptWrite (\r | |
1436aea4 MK |
543 | IN CONST EFI_S3_SAVE_STATE_PROTOCOL *This,\r |
544 | IN UINTN OpCode,\r | |
bdfde462 | 545 | ...\r |
546 | )\r | |
547 | {\r | |
1436aea4 MK |
548 | EFI_STATUS Status;\r |
549 | VA_LIST Marker;\r | |
550 | \r | |
bdfde462 | 551 | //\r |
552 | // Build script according to opcode\r | |
553 | //\r | |
554 | switch (OpCode) {\r | |
1436aea4 MK |
555 | case EFI_BOOT_SCRIPT_IO_WRITE_OPCODE:\r |
556 | VA_START (Marker, OpCode);\r | |
557 | Status = BootScriptWriteIoWrite (Marker);\r | |
558 | VA_END (Marker);\r | |
559 | break;\r | |
560 | \r | |
561 | case EFI_BOOT_SCRIPT_IO_READ_WRITE_OPCODE:\r | |
562 | VA_START (Marker, OpCode);\r | |
563 | Status = BootScriptWriteIoReadWrite (Marker);\r | |
564 | VA_END (Marker);\r | |
565 | break;\r | |
566 | \r | |
567 | case EFI_BOOT_SCRIPT_MEM_WRITE_OPCODE:\r | |
568 | VA_START (Marker, OpCode);\r | |
569 | Status = BootScriptWriteMemWrite (Marker);\r | |
570 | VA_END (Marker);\r | |
571 | break;\r | |
572 | \r | |
573 | case EFI_BOOT_SCRIPT_MEM_READ_WRITE_OPCODE:\r | |
574 | VA_START (Marker, OpCode);\r | |
575 | Status = BootScriptWriteMemReadWrite (Marker);\r | |
576 | VA_END (Marker);\r | |
577 | break;\r | |
578 | \r | |
579 | case EFI_BOOT_SCRIPT_PCI_CONFIG_WRITE_OPCODE:\r | |
580 | VA_START (Marker, OpCode);\r | |
581 | Status = BootScriptWritePciCfgWrite (Marker);\r | |
582 | VA_END (Marker);\r | |
583 | break;\r | |
584 | \r | |
585 | case EFI_BOOT_SCRIPT_PCI_CONFIG_READ_WRITE_OPCODE:\r | |
586 | VA_START (Marker, OpCode);\r | |
587 | Status = BootScriptWritePciCfgReadWrite (Marker);\r | |
588 | VA_END (Marker);\r | |
589 | break;\r | |
590 | \r | |
591 | case EFI_BOOT_SCRIPT_SMBUS_EXECUTE_OPCODE:\r | |
592 | VA_START (Marker, OpCode);\r | |
593 | Status = BootScriptWriteSmbusExecute (Marker);\r | |
594 | VA_END (Marker);\r | |
595 | break;\r | |
596 | \r | |
597 | case EFI_BOOT_SCRIPT_STALL_OPCODE:\r | |
598 | VA_START (Marker, OpCode);\r | |
599 | Status = BootScriptWriteStall (Marker);\r | |
600 | VA_END (Marker);\r | |
601 | \r | |
602 | break;\r | |
603 | \r | |
604 | case EFI_BOOT_SCRIPT_DISPATCH_OPCODE:\r | |
605 | VA_START (Marker, OpCode);\r | |
606 | Status = BootScriptWriteDispatch (Marker);\r | |
607 | VA_END (Marker);\r | |
608 | break;\r | |
609 | \r | |
610 | case EFI_BOOT_SCRIPT_DISPATCH_2_OPCODE:\r | |
611 | VA_START (Marker, OpCode);\r | |
612 | Status = BootScriptWriteDispatch2 (Marker);\r | |
613 | VA_END (Marker);\r | |
614 | break;\r | |
615 | \r | |
616 | case EFI_BOOT_SCRIPT_INFORMATION_OPCODE:\r | |
617 | VA_START (Marker, OpCode);\r | |
618 | Status = BootScriptWriteInformation (Marker);\r | |
619 | VA_END (Marker);\r | |
620 | break;\r | |
621 | \r | |
622 | case EFI_BOOT_SCRIPT_MEM_POLL_OPCODE:\r | |
623 | VA_START (Marker, OpCode);\r | |
624 | Status = BootScriptWriteMemPoll (Marker);\r | |
625 | VA_END (Marker);\r | |
626 | break;\r | |
627 | \r | |
628 | case EFI_BOOT_SCRIPT_PCI_CONFIG2_WRITE_OPCODE:\r | |
629 | VA_START (Marker, OpCode);\r | |
630 | Status = BootScriptWritePciCfg2Write (Marker);\r | |
631 | VA_END (Marker);\r | |
632 | break;\r | |
633 | \r | |
634 | case EFI_BOOT_SCRIPT_PCI_CONFIG2_READ_WRITE_OPCODE:\r | |
635 | VA_START (Marker, OpCode);\r | |
636 | Status = BootScriptWritePciCfg2ReadWrite (Marker);\r | |
637 | VA_END (Marker);\r | |
638 | break;\r | |
639 | \r | |
640 | case EFI_BOOT_SCRIPT_IO_POLL_OPCODE:\r | |
641 | VA_START (Marker, OpCode);\r | |
642 | Status = BootScriptWriteIoPoll (Marker);\r | |
643 | VA_END (Marker);\r | |
644 | break;\r | |
645 | \r | |
646 | case EFI_BOOT_SCRIPT_PCI_CONFIG_POLL_OPCODE:\r | |
647 | VA_START (Marker, OpCode);\r | |
648 | Status = BootScriptWritePciConfigPoll (Marker);\r | |
649 | VA_END (Marker);\r | |
650 | break;\r | |
651 | \r | |
652 | case EFI_BOOT_SCRIPT_PCI_CONFIG2_POLL_OPCODE:\r | |
653 | VA_START (Marker, OpCode);\r | |
654 | Status = BootScriptWritePciConfig2Poll (Marker);\r | |
655 | VA_END (Marker);\r | |
656 | break;\r | |
657 | \r | |
658 | default:\r | |
659 | Status = EFI_INVALID_PARAMETER;\r | |
660 | break;\r | |
bdfde462 | 661 | }\r |
662 | \r | |
663 | return Status;\r | |
664 | }\r | |
1436aea4 | 665 | \r |
bdfde462 | 666 | /**\r |
667 | Insert a record into a specified Framework boot script table.\r | |
668 | \r | |
669 | This function is used to store an OpCode to be replayed as part of the S3 resume boot path. It is\r | |
670 | assumed this protocol has platform specific mechanism to store the OpCode set and replay them\r | |
671 | during the S3 resume.\r | |
672 | The opcode is inserted before or after the specified position in the boot script table. If Position is\r | |
673 | NULL then that position is after the last opcode in the table (BeforeOrAfter is FALSE) or before\r | |
674 | the first opcode in the table (BeforeOrAfter is TRUE). The position which is pointed to by\r | |
675 | Position upon return can be used for subsequent insertions.\r | |
676 | \r | |
677 | @param This A pointer to the EFI_S3_SAVE_STATE_PROTOCOL instance.\r | |
678 | @param BeforeOrAfter Specifies whether the opcode is stored before (TRUE) or after (FALSE) the position\r | |
679 | in the boot script table specified by Position. If Position is NULL or points to\r | |
680 | NULL then the new opcode is inserted at the beginning of the table (if TRUE) or end\r | |
681 | of the table (if FALSE).\r | |
682 | @param Position On entry, specifies the position in the boot script table where the opcode will be\r | |
683 | inserted, either before or after, depending on BeforeOrAfter. On exit, specifies\r | |
684 | the position of the inserted opcode in the boot script table.\r | |
685 | @param OpCode The operation code (opcode) number.\r | |
d1102dba | 686 | @param ... Argument list that is specific to each opcode.\r |
bdfde462 | 687 | \r |
688 | @retval EFI_SUCCESS The operation succeeded. A record was added into the\r | |
689 | specified script table.\r | |
690 | @retval EFI_INVALID_PARAMETER The Opcode is an invalid opcode value or the Position is not a valid position in the boot script table..\r | |
691 | @retval EFI_OUT_OF_RESOURCES There is insufficient memory to store the boot script.\r | |
692 | \r | |
693 | **/\r | |
694 | EFI_STATUS\r | |
695 | EFIAPI\r | |
696 | BootScriptInsert (\r | |
1436aea4 MK |
697 | IN CONST EFI_S3_SAVE_STATE_PROTOCOL *This,\r |
698 | IN BOOLEAN BeforeOrAfter,\r | |
699 | IN OUT EFI_S3_BOOT_SCRIPT_POSITION *Position OPTIONAL,\r | |
700 | IN UINTN OpCode,\r | |
bdfde462 | 701 | ...\r |
702 | )\r | |
703 | {\r | |
1436aea4 MK |
704 | EFI_STATUS Status;\r |
705 | VA_LIST Marker;\r | |
706 | \r | |
bdfde462 | 707 | //\r |
708 | // Build script according to opcode\r | |
709 | //\r | |
710 | switch (OpCode) {\r | |
1436aea4 MK |
711 | case EFI_BOOT_SCRIPT_IO_WRITE_OPCODE:\r |
712 | VA_START (Marker, OpCode);\r | |
713 | Status = BootScriptWriteIoWrite (Marker);\r | |
714 | VA_END (Marker);\r | |
715 | break;\r | |
716 | \r | |
717 | case EFI_BOOT_SCRIPT_IO_READ_WRITE_OPCODE:\r | |
718 | VA_START (Marker, OpCode);\r | |
719 | Status = BootScriptWriteIoReadWrite (Marker);\r | |
720 | VA_END (Marker);\r | |
721 | break;\r | |
722 | \r | |
723 | case EFI_BOOT_SCRIPT_MEM_WRITE_OPCODE:\r | |
724 | VA_START (Marker, OpCode);\r | |
725 | Status = BootScriptWriteMemWrite (Marker);\r | |
726 | VA_END (Marker);\r | |
727 | break;\r | |
728 | \r | |
729 | case EFI_BOOT_SCRIPT_MEM_READ_WRITE_OPCODE:\r | |
730 | VA_START (Marker, OpCode);\r | |
731 | Status = BootScriptWriteMemReadWrite (Marker);\r | |
732 | VA_END (Marker);\r | |
733 | break;\r | |
734 | \r | |
735 | case EFI_BOOT_SCRIPT_PCI_CONFIG_WRITE_OPCODE:\r | |
736 | VA_START (Marker, OpCode);\r | |
737 | Status = BootScriptWritePciCfgWrite (Marker);\r | |
738 | VA_END (Marker);\r | |
739 | break;\r | |
740 | \r | |
741 | case EFI_BOOT_SCRIPT_PCI_CONFIG_READ_WRITE_OPCODE:\r | |
742 | VA_START (Marker, OpCode);\r | |
743 | Status = BootScriptWritePciCfgReadWrite (Marker);\r | |
744 | VA_END (Marker);\r | |
745 | break;\r | |
746 | \r | |
747 | case EFI_BOOT_SCRIPT_SMBUS_EXECUTE_OPCODE:\r | |
748 | VA_START (Marker, OpCode);\r | |
749 | Status = BootScriptWriteSmbusExecute (Marker);\r | |
750 | VA_END (Marker);\r | |
751 | break;\r | |
752 | \r | |
753 | case EFI_BOOT_SCRIPT_STALL_OPCODE:\r | |
754 | VA_START (Marker, OpCode);\r | |
755 | Status = BootScriptWriteStall (Marker);\r | |
756 | VA_END (Marker);\r | |
757 | \r | |
758 | break;\r | |
759 | \r | |
760 | case EFI_BOOT_SCRIPT_DISPATCH_OPCODE:\r | |
761 | VA_START (Marker, OpCode);\r | |
762 | Status = BootScriptWriteDispatch (Marker);\r | |
763 | VA_END (Marker);\r | |
764 | break;\r | |
765 | \r | |
766 | case EFI_BOOT_SCRIPT_DISPATCH_2_OPCODE:\r | |
767 | VA_START (Marker, OpCode);\r | |
768 | Status = BootScriptWriteDispatch2 (Marker);\r | |
769 | VA_END (Marker);\r | |
770 | break;\r | |
771 | \r | |
772 | case EFI_BOOT_SCRIPT_INFORMATION_OPCODE:\r | |
773 | VA_START (Marker, OpCode);\r | |
774 | Status = BootScriptWriteInformation (Marker);\r | |
775 | VA_END (Marker);\r | |
776 | break;\r | |
777 | \r | |
778 | case EFI_BOOT_SCRIPT_MEM_POLL_OPCODE:\r | |
779 | VA_START (Marker, OpCode);\r | |
780 | Status = BootScriptWriteMemPoll (Marker);\r | |
781 | VA_END (Marker);\r | |
782 | break;\r | |
783 | \r | |
784 | case EFI_BOOT_SCRIPT_PCI_CONFIG2_WRITE_OPCODE:\r | |
785 | VA_START (Marker, OpCode);\r | |
786 | Status = BootScriptWritePciCfg2Write (Marker);\r | |
787 | VA_END (Marker);\r | |
788 | break;\r | |
789 | \r | |
790 | case EFI_BOOT_SCRIPT_PCI_CONFIG2_READ_WRITE_OPCODE:\r | |
791 | VA_START (Marker, OpCode);\r | |
792 | Status = BootScriptWritePciCfg2ReadWrite (Marker);\r | |
793 | VA_END (Marker);\r | |
794 | break;\r | |
795 | \r | |
796 | case EFI_BOOT_SCRIPT_IO_POLL_OPCODE:\r | |
797 | VA_START (Marker, OpCode);\r | |
798 | Status = BootScriptWriteIoPoll (Marker);\r | |
799 | VA_END (Marker);\r | |
800 | break;\r | |
801 | \r | |
802 | case EFI_BOOT_SCRIPT_PCI_CONFIG_POLL_OPCODE:\r | |
803 | VA_START (Marker, OpCode);\r | |
804 | Status = BootScriptWritePciConfigPoll (Marker);\r | |
805 | VA_END (Marker);\r | |
806 | break;\r | |
807 | \r | |
808 | case EFI_BOOT_SCRIPT_PCI_CONFIG2_POLL_OPCODE:\r | |
809 | VA_START (Marker, OpCode);\r | |
810 | Status = BootScriptWritePciConfig2Poll (Marker);\r | |
811 | VA_END (Marker);\r | |
812 | break;\r | |
813 | \r | |
814 | default:\r | |
815 | Status = EFI_INVALID_PARAMETER;\r | |
816 | break;\r | |
bdfde462 | 817 | }\r |
d1102dba | 818 | \r |
bdfde462 | 819 | if (!EFI_ERROR (Status)) {\r |
1436aea4 | 820 | Status = S3BootScriptMoveLastOpcode (BeforeOrAfter, (VOID **)Position);\r |
bdfde462 | 821 | }\r |
1436aea4 | 822 | \r |
bdfde462 | 823 | return Status;\r |
824 | }\r | |
1436aea4 | 825 | \r |
bdfde462 | 826 | /**\r |
827 | Find a label within the boot script table and, if not present, optionally create it.\r | |
828 | \r | |
829 | If the label Label is already exists in the boot script table, then no new label is created, the\r | |
830 | position of the Label is returned in *Position and EFI_SUCCESS is returned.\r | |
831 | If the label Label does not already exist and CreateIfNotFound is TRUE, then it will be\r | |
832 | created before or after the specified position and EFI_SUCCESS is returned.\r | |
833 | If the label Label does not already exist and CreateIfNotFound is FALSE, then\r | |
834 | EFI_NOT_FOUND is returned.\r | |
835 | \r | |
836 | @param This A pointer to the EFI_S3_SAVE_STATE_PROTOCOL instance.\r | |
837 | @param BeforeOrAfter Specifies whether the label is stored before (TRUE) or after (FALSE) the position in\r | |
838 | the boot script table specified by Position. If Position is NULL or points to\r | |
839 | NULL then the new label is inserted at the beginning of the table (if TRUE) or end of\r | |
840 | the table (if FALSE).\r | |
841 | @param CreateIfNotFound Specifies whether the label will be created if the label does not exists (TRUE) or not\r | |
842 | (FALSE).\r | |
843 | @param Position On entry, specifies the position in the boot script table where the label will be inserted,\r | |
844 | either before or after, depending on BeforeOrAfter. On exit, specifies the position\r | |
845 | of the inserted label in the boot script table.\r | |
846 | @param Label Points to the label which will be inserted in the boot script table.\r | |
847 | \r | |
848 | @retval EFI_SUCCESS The label already exists or was inserted.\r | |
96072947 JY |
849 | @retval EFI_INVALID_PARAMETER The Label is NULL or points to an empty string.\r |
850 | @retval EFI_INVALID_PARAMETER The Position is not a valid position in the boot script table.\r | |
d1102dba | 851 | \r |
bdfde462 | 852 | **/\r |
853 | EFI_STATUS\r | |
854 | EFIAPI\r | |
855 | BootScriptLabel (\r | |
1436aea4 MK |
856 | IN CONST EFI_S3_SAVE_STATE_PROTOCOL *This,\r |
857 | IN BOOLEAN BeforeOrAfter,\r | |
858 | IN BOOLEAN CreateIfNotFound,\r | |
859 | IN OUT EFI_S3_BOOT_SCRIPT_POSITION *Position OPTIONAL,\r | |
860 | IN CONST CHAR8 *Label\r | |
bdfde462 | 861 | )\r |
862 | {\r | |
812e3bad | 863 | return S3BootScriptLabel (BeforeOrAfter, CreateIfNotFound, (VOID **)Position, Label);\r |
bdfde462 | 864 | }\r |
1436aea4 | 865 | \r |
bdfde462 | 866 | /**\r |
867 | Compare two positions in the boot script table and return their relative position.\r | |
d1102dba | 868 | \r |
bdfde462 | 869 | This function compares two positions in the boot script table and returns their relative positions. If\r |
870 | Position1 is before Position2, then -1 is returned. If Position1 is equal to Position2,\r | |
871 | then 0 is returned. If Position1 is after Position2, then 1 is returned.\r | |
d1102dba | 872 | \r |
bdfde462 | 873 | @param This A pointer to the EFI_S3_SAVE_STATE_PROTOCOL instance.\r |
874 | @param Position1 The positions in the boot script table to compare\r | |
875 | @param Position2 The positions in the boot script table to compare\r | |
876 | @param RelativePosition On return, points to the result of the comparison\r | |
877 | \r | |
d1102dba | 878 | @retval EFI_SUCCESS The operation succeeded.\r |
bdfde462 | 879 | @retval EFI_INVALID_PARAMETER The Position1 or Position2 is not a valid position in the boot script table.\r |
96072947 | 880 | @retval EFI_INVALID_PARAMETER The RelativePosition is NULL.\r |
bdfde462 | 881 | \r |
882 | **/\r | |
883 | EFI_STATUS\r | |
d1102dba | 884 | EFIAPI\r |
bdfde462 | 885 | BootScriptCompare (\r |
1436aea4 MK |
886 | IN CONST EFI_S3_SAVE_STATE_PROTOCOL *This,\r |
887 | IN EFI_S3_BOOT_SCRIPT_POSITION Position1,\r | |
888 | IN EFI_S3_BOOT_SCRIPT_POSITION Position2,\r | |
889 | OUT UINTN *RelativePosition\r | |
bdfde462 | 890 | )\r |
891 | {\r | |
d1102dba | 892 | return S3BootScriptCompare (Position1, Position2, RelativePosition);\r |
bdfde462 | 893 | }\r |
1436aea4 | 894 | \r |
bdfde462 | 895 | /**\r |
896 | This routine is entry point of ScriptSave driver.\r | |
897 | \r | |
898 | @param ImageHandle Handle for this drivers loaded image protocol.\r | |
899 | @param SystemTable EFI system table.\r | |
900 | \r | |
901 | @retval EFI_OUT_OF_RESOURCES No enough resource\r | |
902 | @retval EFI_SUCCESS Succesfully installed the ScriptSave driver.\r | |
d181539b | 903 | @retval other Errors occurred.\r |
bdfde462 | 904 | \r |
905 | **/\r | |
906 | EFI_STATUS\r | |
907 | EFIAPI\r | |
908 | InitializeSmmS3SaveState (\r | |
1436aea4 MK |
909 | IN EFI_HANDLE ImageHandle,\r |
910 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
bdfde462 | 911 | )\r |
912 | {\r | |
1436aea4 | 913 | EFI_HANDLE Handle;\r |
d2d38610 SZ |
914 | \r |
915 | if (!PcdGetBool (PcdAcpiS3Enable)) {\r | |
916 | return EFI_UNSUPPORTED;\r | |
917 | }\r | |
bdfde462 | 918 | \r |
1436aea4 MK |
919 | Handle = NULL;\r |
920 | return gSmst->SmmInstallProtocolInterface (\r | |
921 | &Handle,\r | |
922 | &gEfiS3SmmSaveStateProtocolGuid,\r | |
923 | EFI_NATIVE_INTERFACE,\r | |
924 | &mS3SmmSaveState\r | |
925 | );\r | |
bdfde462 | 926 | }\r |