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Commit | Line | Data |
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878ddf1f | 1 | /*++\r |
2 | \r | |
3 | Copyright (c) 2006, 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 | RuntimeService.c\r | |
15 | \r | |
878ddf1f | 16 | --*/\r |
17 | \r | |
18 | #include <RuntimeLibInternal.h>\r | |
19 | \r | |
20 | VOID\r | |
e8a3bee0 | 21 | EFIAPI\r |
878ddf1f | 22 | EfiResetSystem (\r |
23 | IN EFI_RESET_TYPE ResetType,\r | |
24 | IN EFI_STATUS ResetStatus,\r | |
25 | IN UINTN DataSize,\r | |
26 | IN CHAR16 *ResetData\r | |
27 | )\r | |
28 | /*++\r | |
29 | \r | |
30 | Routine Description:\r | |
31 | \r | |
32 | Resets the entire platform.\r | |
33 | \r | |
34 | Arguments:\r | |
35 | \r | |
36 | ResetType - The type of reset to perform.\r | |
37 | ResetStatus - The status code for the reset.\r | |
38 | DataSize - The size, in bytes, of ResetData.\r | |
39 | ResetData - A data buffer that includes a Null-terminated Unicode string, optionally\r | |
40 | followed by additional binary data.\r | |
41 | \r | |
42 | Returns:\r | |
43 | \r | |
44 | None\r | |
45 | \r | |
46 | --*/\r | |
47 | {\r | |
48 | EFI_GUID Guid = EFI_EXTENDED_SAL_RESET_SERVICES_PROTOCOL_GUID;\r | |
49 | \r | |
50 | EfiCallEsalService (\r | |
51 | &Guid,\r | |
52 | ResetSystem,\r | |
53 | (UINT64) ResetType,\r | |
54 | (UINT64) ResetStatus,\r | |
55 | (UINT64) DataSize,\r | |
56 | (UINT64) ResetData,\r | |
57 | 0,\r | |
58 | 0,\r | |
59 | 0\r | |
60 | );\r | |
61 | }\r | |
62 | \r | |
63 | \r | |
64 | //\r | |
65 | // The following functions hide the mRT local global from the call to\r | |
66 | // runtime service in the EFI system table.\r | |
67 | //\r | |
68 | EFI_STATUS\r | |
e8a3bee0 | 69 | EFIAPI\r |
878ddf1f | 70 | EfiGetTime (\r |
71 | OUT EFI_TIME *Time,\r | |
72 | OUT EFI_TIME_CAPABILITIES *Capabilities\r | |
73 | )\r | |
74 | /*++\r | |
75 | \r | |
76 | Routine Description:\r | |
77 | \r | |
78 | Returns the current time and date information, and the time-keeping \r | |
79 | capabilities of the hardware platform.\r | |
80 | \r | |
81 | Arguments:\r | |
82 | \r | |
83 | Time - A pointer to storage to receive a snapshot of the current time.\r | |
511710d6 | 84 | Capabilities - An optional pointer to a buffer to receive the real time clock device's\r |
878ddf1f | 85 | capabilities.\r |
86 | \r | |
87 | Returns:\r | |
88 | \r | |
89 | Status code\r | |
90 | \r | |
91 | --*/\r | |
92 | {\r | |
93 | SAL_RETURN_REGS ReturnReg;\r | |
94 | EFI_GUID Guid = EFI_EXTENDED_SAL_RTC_SERVICES_PROTOCOL_GUID;\r | |
95 | \r | |
96 | ReturnReg = EfiCallEsalService (&Guid, GetTime, (UINT64) Time, (UINT64) Capabilities, 0, 0, 0, 0, 0);\r | |
97 | return ReturnReg.Status;\r | |
98 | }\r | |
99 | \r | |
100 | EFI_STATUS\r | |
e8a3bee0 | 101 | EFIAPI\r |
878ddf1f | 102 | EfiSetTime (\r |
103 | IN EFI_TIME *Time\r | |
104 | )\r | |
105 | /*++\r | |
106 | \r | |
107 | Routine Description:\r | |
108 | \r | |
109 | Sets the current local time and date information.\r | |
110 | \r | |
111 | Arguments:\r | |
112 | \r | |
113 | Time - A pointer to the current time.\r | |
114 | \r | |
115 | Returns:\r | |
116 | \r | |
117 | Status code\r | |
118 | \r | |
119 | --*/\r | |
120 | {\r | |
121 | SAL_RETURN_REGS ReturnReg;\r | |
122 | \r | |
123 | EFI_GUID Guid = EFI_EXTENDED_SAL_RTC_SERVICES_PROTOCOL_GUID;\r | |
124 | \r | |
125 | ReturnReg = EfiCallEsalService (&Guid, SetTime, (UINT64) Time, 0, 0, 0, 0, 0, 0);\r | |
126 | return ReturnReg.Status;\r | |
127 | }\r | |
128 | \r | |
129 | EFI_STATUS\r | |
e8a3bee0 | 130 | EFIAPI\r |
878ddf1f | 131 | EfiGetWakeupTime (\r |
132 | OUT BOOLEAN *Enabled,\r | |
133 | OUT BOOLEAN *Pending,\r | |
134 | OUT EFI_TIME *Time\r | |
135 | )\r | |
136 | /*++\r | |
137 | \r | |
138 | Routine Description:\r | |
139 | \r | |
140 | Returns the current wakeup alarm clock setting.\r | |
141 | \r | |
142 | Arguments:\r | |
143 | \r | |
144 | Enabled - Indicates if the alarm is currently enabled or disabled.\r | |
145 | Pending - Indicates if the alarm signal is pending and requires acknowledgement.\r | |
146 | Time - The current alarm setting.\r | |
147 | \r | |
148 | Returns:\r | |
149 | \r | |
150 | Status code\r | |
151 | \r | |
152 | --*/\r | |
153 | {\r | |
154 | SAL_RETURN_REGS ReturnReg;\r | |
155 | \r | |
156 | EFI_GUID Guid = EFI_EXTENDED_SAL_RTC_SERVICES_PROTOCOL_GUID;\r | |
157 | \r | |
158 | ReturnReg = EfiCallEsalService (&Guid, GetWakeupTime, (UINT64) Enabled, (UINT64) Pending, (UINT64) Time, 0, 0, 0, 0);\r | |
159 | return ReturnReg.Status;\r | |
160 | }\r | |
161 | \r | |
162 | EFI_STATUS\r | |
e8a3bee0 | 163 | EFIAPI\r |
878ddf1f | 164 | EfiSetWakeupTime (\r |
165 | IN BOOLEAN Enable,\r | |
166 | IN EFI_TIME *Time\r | |
167 | )\r | |
168 | /*++\r | |
169 | \r | |
170 | Routine Description:\r | |
171 | \r | |
172 | Sets the system wakeup alarm clock time.\r | |
173 | \r | |
174 | Arguments:\r | |
175 | \r | |
176 | Enable - Enable or disable the wakeup alarm.\r | |
177 | Time - If Enable is TRUE, the time to set the wakeup alarm for.\r | |
178 | If Enable is FALSE, then this parameter is optional, and may be NULL.\r | |
179 | \r | |
180 | Returns:\r | |
181 | \r | |
182 | Status code\r | |
183 | \r | |
184 | --*/\r | |
185 | {\r | |
186 | SAL_RETURN_REGS ReturnReg;\r | |
187 | \r | |
188 | EFI_GUID Guid = EFI_EXTENDED_SAL_RTC_SERVICES_PROTOCOL_GUID;\r | |
189 | \r | |
190 | ReturnReg = EfiCallEsalService (&Guid, SetWakeupTime, (UINT64) Enable, (UINT64) Time, 0, 0, 0, 0, 0);\r | |
191 | return ReturnReg.Status;\r | |
192 | }\r | |
193 | \r | |
194 | EFI_STATUS\r | |
e8a3bee0 | 195 | EFIAPI\r |
878ddf1f | 196 | EfiGetVariable (\r |
197 | IN CHAR16 *VariableName,\r | |
198 | IN EFI_GUID * VendorGuid,\r | |
199 | OUT UINT32 *Attributes OPTIONAL,\r | |
200 | IN OUT UINTN *DataSize,\r | |
201 | OUT VOID *Data\r | |
202 | )\r | |
203 | /*++\r | |
204 | \r | |
205 | Routine Description:\r | |
206 | \r | |
207 | Returns the value of a variable.\r | |
208 | \r | |
209 | Arguments:\r | |
210 | \r | |
211 | VariableName - A Null-terminated Unicode string that is the name of the\r | |
511710d6 | 212 | vendor's variable.\r |
878ddf1f | 213 | VendorGuid - A unique identifier for the vendor.\r |
214 | Attributes - If not NULL, a pointer to the memory location to return the\r | |
215 | attributes bitmask for the variable.\r | |
216 | DataSize - On input, the size in bytes of the return Data buffer.\r | |
217 | On output the size of data returned in Data.\r | |
218 | Data - The buffer to return the contents of the variable.\r | |
219 | \r | |
220 | Returns:\r | |
221 | \r | |
222 | Status code\r | |
223 | \r | |
224 | --*/\r | |
225 | {\r | |
226 | SAL_RETURN_REGS ReturnReg;\r | |
227 | EFI_GUID Guid = EFI_EXTENDED_SAL_VARIABLE_SERVICES_PROTOCOL_GUID;\r | |
228 | \r | |
229 | ReturnReg = EfiCallEsalService (\r | |
230 | &Guid,\r | |
231 | EsalGetVariable,\r | |
232 | (UINT64) VariableName,\r | |
233 | (UINT64) VendorGuid,\r | |
234 | (UINT64) Attributes,\r | |
235 | (UINT64) DataSize,\r | |
236 | (UINT64) Data,\r | |
237 | 0,\r | |
238 | 0\r | |
239 | );\r | |
240 | return (EFI_STATUS) ReturnReg.Status;\r | |
241 | }\r | |
242 | \r | |
243 | EFI_STATUS\r | |
e8a3bee0 | 244 | EFIAPI\r |
878ddf1f | 245 | EfiGetNextVariableName (\r |
246 | IN OUT UINTN *VariableNameSize,\r | |
247 | IN OUT CHAR16 *VariableName,\r | |
248 | IN OUT EFI_GUID *VendorGuid\r | |
249 | )\r | |
250 | /*++\r | |
251 | \r | |
252 | Routine Description:\r | |
253 | \r | |
254 | Enumerates the current variable names.\r | |
255 | \r | |
256 | Arguments:\r | |
257 | \r | |
258 | VariableNameSize - The size of the VariableName buffer.\r | |
259 | VariableName - On input, supplies the last VariableName that was returned\r | |
260 | by GetNextVariableName(). \r | |
261 | On output, returns the Nullterminated Unicode string of the\r | |
262 | current variable.\r | |
263 | VendorGuid - On input, supplies the last VendorGuid that was returned by\r | |
264 | GetNextVariableName(). \r | |
265 | On output, returns the VendorGuid of the current variable.\r | |
266 | \r | |
267 | Returns:\r | |
268 | \r | |
269 | Status code\r | |
270 | \r | |
271 | --*/\r | |
272 | {\r | |
273 | SAL_RETURN_REGS ReturnReg;\r | |
274 | EFI_GUID Guid = EFI_EXTENDED_SAL_VARIABLE_SERVICES_PROTOCOL_GUID;\r | |
275 | \r | |
276 | ReturnReg = EfiCallEsalService (\r | |
277 | &Guid,\r | |
278 | EsalGetNextVariableName,\r | |
279 | (UINT64) VariableNameSize,\r | |
280 | (UINT64) VariableName,\r | |
281 | (UINT64) VendorGuid,\r | |
282 | 0,\r | |
283 | 0,\r | |
284 | 0,\r | |
285 | 0\r | |
286 | );\r | |
287 | return (EFI_STATUS) ReturnReg.Status;\r | |
288 | }\r | |
289 | \r | |
290 | EFI_STATUS\r | |
e8a3bee0 | 291 | EFIAPI\r |
878ddf1f | 292 | EfiSetVariable (\r |
293 | IN CHAR16 *VariableName,\r | |
294 | IN EFI_GUID *VendorGuid,\r | |
295 | IN UINT32 Attributes,\r | |
296 | IN UINTN DataSize,\r | |
297 | IN VOID *Data\r | |
298 | )\r | |
299 | /*++\r | |
300 | \r | |
301 | Routine Description:\r | |
302 | \r | |
303 | Sets the value of a variable.\r | |
304 | \r | |
305 | Arguments:\r | |
306 | \r | |
307 | VariableName - A Null-terminated Unicode string that is the name of the\r | |
511710d6 | 308 | vendor's variable.\r |
878ddf1f | 309 | VendorGuid - A unique identifier for the vendor.\r |
310 | Attributes - Attributes bitmask to set for the variable.\r | |
311 | DataSize - The size in bytes of the Data buffer.\r | |
312 | Data - The contents for the variable.\r | |
313 | \r | |
314 | Returns:\r | |
315 | \r | |
316 | Status code\r | |
317 | \r | |
318 | --*/\r | |
319 | {\r | |
320 | SAL_RETURN_REGS ReturnReg;\r | |
321 | EFI_GUID Guid = EFI_EXTENDED_SAL_VARIABLE_SERVICES_PROTOCOL_GUID;\r | |
322 | \r | |
323 | ReturnReg = EfiCallEsalService (\r | |
324 | &Guid,\r | |
325 | EsalSetVariable,\r | |
326 | (UINT64) VariableName,\r | |
327 | (UINT64) VendorGuid,\r | |
328 | (UINT64) Attributes,\r | |
329 | (UINT64) DataSize,\r | |
330 | (UINT64) Data,\r | |
331 | 0,\r | |
332 | 0\r | |
333 | );\r | |
334 | return (EFI_STATUS) ReturnReg.Status;\r | |
335 | }\r | |
336 | \r | |
337 | EFI_STATUS\r | |
e8a3bee0 | 338 | EFIAPI\r |
878ddf1f | 339 | EfiGetNextHighMonotonicCount (\r |
340 | OUT UINT32 *HighCount\r | |
341 | )\r | |
342 | /*++\r | |
343 | \r | |
344 | Routine Description:\r | |
345 | \r | |
511710d6 | 346 | Returns the next high 32 bits of the platform's monotonic counter.\r |
878ddf1f | 347 | \r |
348 | Arguments:\r | |
349 | \r | |
350 | HighCount - Pointer to returned value.\r | |
351 | \r | |
352 | Returns:\r | |
353 | \r | |
354 | Status code\r | |
355 | \r | |
356 | --*/\r | |
357 | {\r | |
358 | SAL_RETURN_REGS ReturnReg;\r | |
359 | \r | |
360 | EFI_GUID Guid = EFI_EXTENDED_SAL_MTC_SERVICES_PROTOCOL_GUID;\r | |
361 | \r | |
362 | ReturnReg = EfiCallEsalService (&Guid, GetNextHighMonotonicCount, (UINT64) HighCount, 0, 0, 0, 0, 0, 0);\r | |
363 | return (EFI_STATUS) ReturnReg.Status;\r | |
364 | }\r | |
365 | \r | |
366 | EFI_STATUS\r | |
e8a3bee0 | 367 | EFIAPI\r |
878ddf1f | 368 | EfiConvertPointer (\r |
369 | IN UINTN DebugDisposition,\r | |
f81f558d | 370 | IN OUT VOID **Address\r |
878ddf1f | 371 | )\r |
372 | /*++\r | |
373 | \r | |
374 | Routine Description:\r | |
375 | \r | |
376 | Determines the new virtual address that is to be used on subsequent memory accesses.\r | |
377 | \r | |
378 | Arguments:\r | |
379 | \r | |
380 | DebugDisposition - Supplies type information for the pointer being converted.\r | |
381 | Address - A pointer to a pointer that is to be fixed to be the value needed\r | |
382 | for the new virtual address mappings being applied.\r | |
383 | \r | |
384 | Returns:\r | |
385 | \r | |
386 | Status code\r | |
387 | \r | |
388 | --*/\r | |
389 | {\r | |
390 | return mRT->ConvertPointer (DebugDisposition, Address);\r | |
391 | }\r | |
392 | \r | |
393 | EFI_STATUS\r | |
e8a3bee0 | 394 | EFIAPI\r |
878ddf1f | 395 | EfiConvertList (\r |
396 | IN UINTN DebugDisposition,\r | |
397 | IN OUT LIST_ENTRY *ListHead\r | |
398 | )\r | |
399 | /*++\r | |
400 | \r | |
401 | Routine Description:\r | |
402 | \r | |
403 | Conver the standard Lib double linked list to a virtual mapping.\r | |
404 | \r | |
405 | Arguments:\r | |
406 | \r | |
407 | DebugDisposition - Argument to EfiConvertPointer (EFI 1.0 API)\r | |
408 | \r | |
409 | ListHead - Head of linked list to convert\r | |
410 | \r | |
411 | Returns: \r | |
412 | \r | |
413 | EFI_SUCCESS\r | |
414 | \r | |
415 | --*/\r | |
416 | {\r | |
417 | LIST_ENTRY *Link;\r | |
418 | LIST_ENTRY *NextLink;\r | |
419 | \r | |
420 | //\r | |
421 | // Convert all the ForwardLink & BackLink pointers in the list\r | |
422 | //\r | |
423 | Link = ListHead;\r | |
424 | do {\r | |
425 | NextLink = Link->ForwardLink;\r | |
426 | \r | |
427 | EfiConvertPointer (\r | |
428 | Link->ForwardLink == ListHead ? DebugDisposition : 0,\r | |
429 | (VOID **) &Link->ForwardLink\r | |
430 | );\r | |
431 | \r | |
432 | EfiConvertPointer (\r | |
433 | Link->BackLink == ListHead ? DebugDisposition : 0,\r | |
434 | (VOID **) &Link->BackLink\r | |
435 | );\r | |
436 | \r | |
437 | Link = NextLink;\r | |
438 | } while (Link != ListHead);\r | |
439 | return EFI_SUCCESS;\r | |
440 | }\r | |
441 | \r | |
442 | \r | |
443 | /**\r | |
444 | Change the runtime addressing mode of EFI firmware from physical to virtual.\r | |
445 | \r | |
446 | @param MemoryMapSize The size in bytes of VirtualMap.\r | |
447 | @param DescriptorSize The size in bytes of an entry in the VirtualMap.\r | |
448 | @param DescriptorVersion The version of the structure entries in VirtualMap.\r | |
449 | @param VirtualMap An array of memory descriptors which contain new virtual\r | |
450 | address mapping information for all runtime ranges. Type\r | |
451 | EFI_MEMORY_DESCRIPTOR is defined in the\r | |
452 | GetMemoryMap() function description.\r | |
453 | \r | |
454 | @retval EFI_SUCCESS The virtual address map has been applied.\r | |
455 | @retval EFI_UNSUPPORTED EFI firmware is not at runtime, or the EFI firmware is already in\r | |
456 | virtual address mapped mode.\r | |
457 | @retval EFI_INVALID_PARAMETER DescriptorSize or DescriptorVersion is\r | |
458 | invalid.\r | |
459 | @retval EFI_NO_MAPPING A virtual address was not supplied for a range in the memory\r | |
460 | map that requires a mapping.\r | |
461 | @retval EFI_NOT_FOUND A virtual address was supplied for an address that is not found\r | |
462 | in the memory map.\r | |
463 | **/\r | |
464 | EFI_STATUS\r | |
465 | EFIAPI\r | |
466 | EfiSetVirtualAddressMap (\r | |
467 | IN UINTN MemoryMapSize,\r | |
468 | IN UINTN DescriptorSize,\r | |
469 | IN UINT32 DescriptorVersion,\r | |
470 | IN CONST EFI_MEMORY_DESCRIPTOR *VirtualMap\r | |
471 | )\r | |
472 | {\r | |
473 | SAL_RETURN_REGS ReturnReg;\r | |
474 | EFI_GUID Guid = EFI_EXTENDED_SAL_VIRTUAL_SERVICES_PROTOCOL_GUID;\r | |
475 | \r | |
476 | ReturnReg = EfiCallEsalService (\r | |
477 | &Guid,\r | |
478 | SetVirtualAddress,\r | |
479 | (UINT64) MemoryMapSize,\r | |
480 | (UINT64) DescriptorSize,\r | |
481 | (UINT64) DescriptorVersion,\r | |
482 | (UINT64) VirtualMap,\r | |
483 | 0,\r | |
484 | 0,\r | |
485 | 0\r | |
486 | );\r | |
487 | \r | |
488 | return ReturnReg.Status;\r | |
489 | }\r | |
490 | \r | |
491 | \r | |
492 | EFI_STATUS\r | |
e8a3bee0 | 493 | EFIAPI\r |
878ddf1f | 494 | EfiUpdateCapsule (\r |
495 | IN UEFI_CAPSULE_HEADER **CapsuleHeaderArray,\r | |
496 | IN UINTN CapsuleCount,\r | |
497 | IN EFI_PHYSICAL_ADDRESS ScatterGatherList OPTIONAL\r | |
498 | )\r | |
499 | {\r | |
500 | return EFI_UNSUPPORTED;\r | |
501 | }\r | |
502 | \r | |
503 | EFI_STATUS\r | |
e8a3bee0 | 504 | EFIAPI\r |
878ddf1f | 505 | EfiQueryCapsuleCapabilities (\r |
506 | IN UEFI_CAPSULE_HEADER **CapsuleHeaderArray,\r | |
507 | IN UINTN CapsuleCount,\r | |
508 | OUT UINT64 *MaximumCapsuleSize,\r | |
509 | OUT EFI_RESET_TYPE *ResetType\r | |
510 | )\r | |
511 | {\r | |
512 | return EFI_UNSUPPORTED;\r | |
513 | }\r | |
514 | \r | |
515 | \r | |
516 | EFI_STATUS\r | |
e8a3bee0 | 517 | EFIAPI\r |
878ddf1f | 518 | EfiQueryVariableInfo (\r |
519 | IN UINT32 Attributes,\r | |
520 | OUT UINT64 *MaximumVariableStorageSize,\r | |
521 | OUT UINT64 *RemainingVariableStorageSize,\r | |
522 | OUT UINT64 *MaximumVariableSize\r | |
523 | )\r | |
524 | {\r | |
525 | return EFI_UNSUPPORTED;\r | |
526 | }\r |