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fe69ac84 1/** @file\r
9095d37b 2 Null function implementation for EFI S3 boot script.\r
fe69ac84 3\r
9095d37b 4 Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>\r
fe69ac84 5\r
9344f092 6 SPDX-License-Identifier: BSD-2-Clause-Patent\r
fe69ac84 7\r
8**/\r
9\r
10\r
11#include <Base.h>\r
12#include <Library/S3BootScriptLib.h>\r
13\r
14/**\r
9095d37b 15 Save I/O write to boot script\r
fe69ac84 16\r
17 @param Width the width of the I/O operations.Enumerated in S3_BOOT_SCRIPT_LIB_WIDTH.\r
18 @param Address The base address of the I/O operations.\r
19 @param Count The number of I/O operations to perform.\r
20 @param Buffer The source buffer from which to write data.\r
21\r
22 @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table do operation.\r
23 @retval RETURN_SUCCESS Opcode is added.\r
24**/\r
25RETURN_STATUS\r
26EFIAPI\r
27S3BootScriptSaveIoWrite (\r
28 IN S3_BOOT_SCRIPT_LIB_WIDTH Width,\r
29 IN UINT64 Address,\r
30 IN UINTN Count,\r
31 IN VOID *Buffer\r
32 )\r
33{\r
9095d37b 34 return RETURN_SUCCESS;\r
fe69ac84 35}\r
36\r
37/**\r
38 Adds a record for an I/O modify operation into a S3 boot script table\r
39\r
40 @param Width The width of the I/O operations.Enumerated in S3_BOOT_SCRIPT_LIB_WIDTH.\r
41 @param Address The base address of the I/O operations.\r
42 @param Data A pointer to the data to be OR-ed.\r
43 @param DataMask A pointer to the data mask to be AND-ed with the data read from the register\r
44\r
45 @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table do operation.\r
46 @retval RETURN_SUCCESS Opcode is added.\r
47**/\r
48RETURN_STATUS\r
49EFIAPI\r
50S3BootScriptSaveIoReadWrite (\r
51 IN S3_BOOT_SCRIPT_LIB_WIDTH Width,\r
52 IN UINT64 Address,\r
53 IN VOID *Data,\r
54 IN VOID *DataMask\r
55 )\r
56{\r
9095d37b 57 return RETURN_SUCCESS;\r
fe69ac84 58}\r
59\r
60/**\r
61 Adds a record for a memory write operation into a specified boot script table.\r
62\r
63 @param Width The width of the I/O operations.Enumerated in S3_BOOT_SCRIPT_LIB_WIDTH.\r
64 @param Address The base address of the memory operations\r
65 @param Count The number of memory operations to perform.\r
66 @param Buffer The source buffer from which to write the data.\r
67\r
68 @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table do operation.\r
69 @retval RETURN_SUCCESS Opcode is added.\r
70**/\r
71RETURN_STATUS\r
72EFIAPI\r
73S3BootScriptSaveMemWrite (\r
74 IN S3_BOOT_SCRIPT_LIB_WIDTH Width,\r
75 IN UINT64 Address,\r
76 IN UINTN Count,\r
77 IN VOID *Buffer\r
78 )\r
79{\r
9095d37b 80 return RETURN_SUCCESS;\r
fe69ac84 81}\r
82/**\r
83 Adds a record for a memory modify operation into a specified boot script table.\r
84\r
85 @param Width The width of the I/O operations.Enumerated in S3_BOOT_SCRIPT_LIB_WIDTH.\r
86 @param Address The base address of the memory operations. Address needs alignment if required\r
87 @param Data A pointer to the data to be OR-ed.\r
88 @param DataMask A pointer to the data mask to be AND-ed with the data read from the register.\r
89\r
90 @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table do operation.\r
91 @retval RETURN_SUCCESS Opcode is added.\r
92**/\r
93RETURN_STATUS\r
94EFIAPI\r
95S3BootScriptSaveMemReadWrite (\r
96 IN S3_BOOT_SCRIPT_LIB_WIDTH Width,\r
97 IN UINT64 Address,\r
98 IN VOID *Data,\r
99 IN VOID *DataMask\r
100 )\r
101{\r
9095d37b 102 return RETURN_SUCCESS;\r
fe69ac84 103}\r
104/**\r
105 Adds a record for a PCI configuration space write operation into a specified boot script table.\r
106\r
107 @param Width The width of the I/O operations.Enumerated in S3_BOOT_SCRIPT_LIB_WIDTH.\r
108 @param Address The address within the PCI configuration space.\r
109 @param Count The number of PCI operations to perform.\r
110 @param Buffer The source buffer from which to write the data.\r
111\r
112 @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table do operation.\r
113 @retval RETURN_SUCCESS Opcode is added.\r
114**/\r
115RETURN_STATUS\r
116EFIAPI\r
117S3BootScriptSavePciCfgWrite (\r
118 IN S3_BOOT_SCRIPT_LIB_WIDTH Width,\r
119 IN UINT64 Address,\r
120 IN UINTN Count,\r
121 IN VOID *Buffer\r
122 )\r
123{\r
9095d37b 124 return RETURN_SUCCESS;\r
fe69ac84 125}\r
126\r
127/**\r
128 Adds a record for a PCI configuration space modify operation into a specified boot script table.\r
129\r
130 @param Width The width of the I/O operations.Enumerated in S3_BOOT_SCRIPT_LIB_WIDTH.\r
131 @param Address The address within the PCI configuration space.\r
132 @param Data A pointer to the data to be OR-ed.The size depends on Width.\r
133 @param DataMask A pointer to the data mask to be AND-ed.\r
134\r
135 @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table do operation.\r
136 @retval RETURN__SUCCESS Opcode is added.\r
137**/\r
138RETURN_STATUS\r
139EFIAPI\r
140S3BootScriptSavePciCfgReadWrite (\r
141 IN S3_BOOT_SCRIPT_LIB_WIDTH Width,\r
142 IN UINT64 Address,\r
143 IN VOID *Data,\r
144 IN VOID *DataMask\r
145 )\r
146{\r
9095d37b 147 return RETURN_SUCCESS;\r
fe69ac84 148}\r
149/**\r
150 Adds a record for a PCI configuration space modify operation into a specified boot script table.\r
151\r
152 @param Width The width of the I/O operations.Enumerated in S3_BOOT_SCRIPT_LIB_WIDTH.\r
153 @param Segment The PCI segment number for Address.\r
154 @param Address The address within the PCI configuration space.\r
155 @param Count The number of PCI operations to perform.\r
156 @param Buffer The source buffer from which to write the data.\r
157\r
158 @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table do operation.\r
159 @retval RETURN_SUCCESS Opcode is added.\r
160**/\r
161RETURN_STATUS\r
162EFIAPI\r
163S3BootScriptSavePciCfg2Write (\r
164 IN S3_BOOT_SCRIPT_LIB_WIDTH Width,\r
165 IN UINT16 Segment,\r
166 IN UINT64 Address,\r
167 IN UINTN Count,\r
168 IN VOID *Buffer\r
169 )\r
170{\r
9095d37b 171 return RETURN_SUCCESS;\r
fe69ac84 172}\r
173/**\r
174 Adds a record for a PCI configuration space modify operation into a specified boot script table.\r
175\r
176 @param Width The width of the I/O operations.Enumerated in S3_BOOT_SCRIPT_LIB_WIDTH.\r
177 @param Segment The PCI segment number for Address.\r
178 @param Address The address within the PCI configuration space.\r
179 @param Data A pointer to the data to be OR-ed. The size depends on Width.\r
180 @param DataMask A pointer to the data mask to be AND-ed.\r
181\r
182 @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table do operation.\r
183 @retval RETURN_SUCCESS Opcode is added.\r
184**/\r
185RETURN_STATUS\r
186EFIAPI\r
187S3BootScriptSavePciCfg2ReadWrite (\r
188 IN S3_BOOT_SCRIPT_LIB_WIDTH Width,\r
189 IN UINT16 Segment,\r
190 IN UINT64 Address,\r
191 IN VOID *Data,\r
192 IN VOID *DataMask\r
193 )\r
9095d37b
LG
194{\r
195 return RETURN_SUCCESS;\r
fe69ac84 196}\r
197/**\r
198 Adds a record for an SMBus command execution into a specified boot script table.\r
199\r
200 @param SmBusAddress Address that encodes the SMBUS Slave Address, SMBUS Command, SMBUS Data Length, and PEC.\r
201 @param Operation Indicates which particular SMBus protocol it will use to execute the SMBus\r
202 transactions.\r
203 @param Length A pointer to signify the number of bytes that this operation will do.\r
204 @param Buffer Contains the value of data to execute to the SMBUS slave device.\r
9095d37b 205\r
fe69ac84 206 @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table do operation.\r
207 @retval RETURN_SUCCESS Opcode is added.\r
208**/\r
209RETURN_STATUS\r
210EFIAPI\r
211S3BootScriptSaveSmbusExecute (\r
9095d37b 212 IN UINTN SmBusAddress,\r
fe69ac84 213 IN EFI_SMBUS_OPERATION Operation,\r
214 IN UINTN *Length,\r
215 IN VOID *Buffer\r
216 )\r
217{\r
9095d37b 218 return RETURN_SUCCESS;\r
fe69ac84 219}\r
220/**\r
221 Adds a record for an execution stall on the processor into a specified boot script table.\r
222\r
223 @param Duration Duration in microseconds of the stall\r
9095d37b 224\r
fe69ac84 225 @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table do operation.\r
226 @retval RETURN_SUCCESS Opcode is added.\r
227**/\r
228RETURN_STATUS\r
229EFIAPI\r
230S3BootScriptSaveStall (\r
231 IN UINTN Duration\r
232 )\r
233{\r
9095d37b 234 return RETURN_SUCCESS;\r
fe69ac84 235}\r
236/**\r
237 Adds a record for dispatching specified arbitrary code into a specified boot script table.\r
238\r
239 @param EntryPoint Entry point of the code to be dispatched.\r
9095d37b 240\r
fe69ac84 241 @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table do operation.\r
242 @retval RETURN_SUCCESS Opcode is added.\r
243**/\r
244RETURN_STATUS\r
245EFIAPI\r
246S3BootScriptSaveDispatch (\r
247 IN VOID *EntryPoint\r
248 )\r
249{\r
250 return RETURN_SUCCESS;\r
251}\r
252/**\r
300f2c6a 253 Adds a record for dispatching specified arbitrary code into a specified boot script table.\r
fe69ac84 254\r
255 @param EntryPoint Entry point of the code to be dispatched.\r
256 @param Context Argument to be passed into the EntryPoint of the code to be dispatched.\r
9095d37b 257\r
fe69ac84 258 @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table do operation.\r
259 @retval RETURN_SUCCESS Opcode is added.\r
260**/\r
261RETURN_STATUS\r
262EFIAPI\r
263S3BootScriptSaveDispatch2 (\r
264 IN VOID *EntryPoint,\r
265 IN VOID *Context\r
266 )\r
267{\r
9095d37b 268 return RETURN_SUCCESS;\r
fe69ac84 269}\r
270\r
271/**\r
272 Adds a record for memory reads of the memory location and continues when the exit criteria is\r
273 satisfied or after a defined duration.\r
9095d37b 274\r
57a1b9c4
JY
275 Please aware, below interface is different with PI specification, Vol 5:\r
276 EFI_S3_SAVE_STATE_PROTOCOL.Write() for EFI_BOOT_SCRIPT_MEM_POLL_OPCODE.\r
277 "Duration" below is microseconds, while "Delay" in PI specification means\r
278 the number of 100ns units to poll.\r
279\r
fe69ac84 280 @param Width The width of the memory operations.\r
281 @param Address The base address of the memory operations.\r
282 @param BitMask A pointer to the bit mask to be AND-ed with the data read from the register.\r
283 @param BitValue A pointer to the data value after to be Masked.\r
284 @param Duration Duration in microseconds of the stall.\r
285 @param LoopTimes The times of the register polling.\r
286\r
287 @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table do operation.\r
288 @retval RETURN_SUCCESS Opcode is added.\r
289\r
290**/\r
291RETURN_STATUS\r
292EFIAPI\r
293S3BootScriptSaveMemPoll (\r
294 IN S3_BOOT_SCRIPT_LIB_WIDTH Width,\r
295 IN UINT64 Address,\r
296 IN VOID *BitMask,\r
297 IN VOID *BitValue,\r
298 IN UINTN Duration,\r
63042a71 299 IN UINT64 LoopTimes\r
fe69ac84 300 )\r
301{\r
9095d37b 302 return RETURN_SUCCESS;\r
fe69ac84 303}\r
304\r
305/**\r
306 Store arbitrary information in the boot script table. This opcode is a no-op on dispatch and is only\r
307 used for debugging script issues.\r
9095d37b 308\r
fe69ac84 309 @param InformationLength Length of the data in bytes\r
310 @param Information Information to be logged in the boot scrpit\r
9095d37b 311\r
fe69ac84 312 @retval RETURN_UNSUPPORTED If entering runtime, this method will not support.\r
313 @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table do operation.\r
314 @retval RETURN_SUCCESS Opcode is added.\r
315\r
316**/\r
317RETURN_STATUS\r
318EFIAPI\r
319S3BootScriptSaveInformation (\r
9095d37b 320 IN UINT32 InformationLength,\r
fe69ac84 321 IN VOID *Information\r
322 )\r
323{\r
9095d37b 324 return RETURN_SUCCESS;\r
fe69ac84 325}\r
326/**\r
327 Adds a record for I/O reads the I/O location and continues when the exit criteria is satisfied or after a\r
328 defined duration.\r
9095d37b
LG
329\r
330 @param Width The width of the I/O operations.\r
fe69ac84 331 @param Address The base address of the I/O operations.\r
332 @param Data The comparison value used for the polling exit criteria.\r
333 @param DataMask Mask used for the polling criteria. The bits in the bytes below Width which are zero\r
334 in Data are ignored when polling the memory address.\r
335 @param Delay The number of 100ns units to poll. Note that timer available may be of poorer\r
336 granularity so the delay may be longer.\r
337\r
338 @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table do operation.\r
339 @retval RETURN_SUCCESS Opcode is added.\r
340\r
341**/\r
342RETURN_STATUS\r
343EFIAPI\r
344S3BootScriptSaveIoPoll (\r
345 IN S3_BOOT_SCRIPT_LIB_WIDTH Width,\r
346 IN UINT64 Address,\r
347 IN VOID *Data,\r
9095d37b
LG
348 IN VOID *DataMask,\r
349 IN UINT64 Delay\r
fe69ac84 350 )\r
351{\r
9095d37b 352 return RETURN_SUCCESS;\r
fe69ac84 353}\r
354\r
355/**\r
356 Adds a record for PCI configuration space reads and continues when the exit criteria is satisfied or\r
357 after a defined duration.\r
358\r
9095d37b 359 @param Width The width of the I/O operations.\r
fe69ac84 360 @param Address The address within the PCI configuration space.\r
361 @param Data The comparison value used for the polling exit criteria.\r
362 @param DataMask Mask used for the polling criteria. The bits in the bytes below Width which are zero\r
363 in Data are ignored when polling the memory address\r
364 @param Delay The number of 100ns units to poll. Note that timer available may be of poorer\r
365 granularity so the delay may be longer.\r
366\r
367 @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table do operation.\r
368 @retval RETURN_SUCCESS Opcode is added.\r
369\r
370**/\r
371RETURN_STATUS\r
372EFIAPI\r
373S3BootScriptSavePciPoll (\r
374 IN S3_BOOT_SCRIPT_LIB_WIDTH Width,\r
375 IN UINT64 Address,\r
376 IN VOID *Data,\r
377 IN VOID *DataMask,\r
378 IN UINT64 Delay\r
379 )\r
380{\r
9095d37b 381 return RETURN_SUCCESS;\r
fe69ac84 382}\r
383/**\r
384 Adds a record for PCI configuration space reads and continues when the exit criteria is satisfied or\r
385 after a defined duration.\r
386\r
9095d37b 387 @param Width The width of the I/O operations.\r
fe69ac84 388 @param Segment The PCI segment number for Address.\r
389 @param Address The address within the PCI configuration space.\r
390 @param Data The comparison value used for the polling exit criteria.\r
391 @param DataMask Mask used for the polling criteria. The bits in the bytes below Width which are zero\r
392 in Data are ignored when polling the memory address\r
393 @param Delay The number of 100ns units to poll. Note that timer available may be of poorer\r
394 granularity so the delay may be longer.\r
395\r
396 @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table do operation.\r
397 @retval RETURN_SUCCESS Opcode is added.\r
398 @note A known Limitations in the implementation: When interpreting the opcode EFI_BOOT_SCRIPT_PCI_CONFIG2_WRITE_OPCODE\r
9095d37b 399 EFI_BOOT_SCRIPT_PCI_CONFIG2_READ_WRITE_OPCODE and EFI_BOOT_SCRIPT_PCI_CONFIG2_POLL_OPCODE, the 'Segment' parameter is assumed as\r
fe69ac84 400 Zero, or else, assert.\r
401\r
402**/\r
403RETURN_STATUS\r
404EFIAPI\r
405S3BootScriptSavePci2Poll (\r
406 IN S3_BOOT_SCRIPT_LIB_WIDTH Width,\r
407 IN UINT16 Segment,\r
408 IN UINT64 Address,\r
409 IN VOID *Data,\r
410 IN VOID *DataMask,\r
411 IN UINT64 Delay\r
412 )\r
413{\r
9095d37b 414 return RETURN_SUCCESS;\r
fe69ac84 415}\r
416/**\r
417 Save ASCII string information specified by Buffer to\r
418 boot script with opcode EFI_BOOT_SCRIPT_INFORMATION_OPCODE\r
419\r
420 @param String the ascii string to store into the S3 boot script table\r
421\r
422 @retval RETURN_NOT_FOUND BootScriptSave Protocol not exist.\r
423 @retval RETURN_SUCCESS BootScriptSave Protocol exist, always returns RETURN_SUCCESS\r
424\r
425**/\r
426RETURN_STATUS\r
427EFIAPI\r
428S3BootScriptSaveInformationAsciiString (\r
429 IN CONST CHAR8 *String\r
430 )\r
431{\r
9095d37b 432 return RETURN_SUCCESS;\r
fe69ac84 433}\r
434/**\r
9095d37b
LG
435 This is an function to close the S3 boot script table. The function could only be called in\r
436 BOOT time phase. To comply with the Framework spec definition on\r
fe69ac84 437 EFI_BOOT_SCRIPT_SAVE_PROTOCOL.CloseTable(), this function will fulfill following things:\r
438 1. Closes the specified boot script table\r
9095d37b
LG
439 2. It allocates a new memory pool to duplicate all the boot scripts in the specified table.\r
440 Once this function is called, the table maintained by the library will be destroyed\r
fe69ac84 441 after it is copied into the allocated pool.\r
9095d37b 442 3. Any attempts to add a script record after calling this function will cause a new table\r
fe69ac84 443 to be created by the library.\r
9095d37b 444 4. The base address of the allocated pool will be returned in Address. Note that after\r
fe69ac84 445 using the boot script table, the CALLER is responsible for freeing the pool that is allocated\r
9095d37b 446 by this function.\r
fe69ac84 447\r
448 In Spec PI1.1, this EFI_BOOT_SCRIPT_SAVE_PROTOCOL.CloseTable() is retired. By then it is not\r
449 necessary to provide this API in BootScriptLib. To provides this API for now is only to meet\r
450 the requirement from Framework Spec.\r
9095d37b
LG
451\r
452 If anyone does call CloseTable() on a real platform, then the caller is responsible for figuring out\r
453 how to get the script to run on an S3 resume because the boot script maintained by the lib will be\r
fe69ac84 454 destroyed.\r
9095d37b
LG
455\r
456 @return the base address of the new copy of the boot script table.\r
fe69ac84 457\r
458**/\r
459UINT8*\r
460EFIAPI\r
461S3BootScriptCloseTable (\r
462 VOID\r
463 )\r
464{\r
9095d37b 465 return 0;\r
fe69ac84 466}\r
467/**\r
468 Executes the S3 boot script table.\r
469\r
470 @param RETURN_SUCCESS The boot script table was executed successfully.\r
9095d37b 471 @param RETURN_UNSUPPORTED Invalid script table or opcode.\r
fe69ac84 472**/\r
473RETURN_STATUS\r
474EFIAPI\r
475S3BootScriptExecute (\r
476 VOID\r
477 )\r
478{\r
9095d37b 479 return RETURN_SUCCESS;\r
fe69ac84 480}\r
481/**\r
9095d37b 482 Move the last boot script entry to the position\r
fe69ac84 483\r
484 @param BeforeOrAfter Specifies whether the opcode is stored before (TRUE) or after (FALSE) the position\r
485 in the boot script table specified by Position. If Position is NULL or points to\r
486 NULL then the new opcode is inserted at the beginning of the table (if TRUE) or end\r
487 of the table (if FALSE).\r
488 @param Position On entry, specifies the position in the boot script table where the opcode will be\r
489 inserted, either before or after, depending on BeforeOrAfter. On exit, specifies\r
490 the position of the inserted opcode in the boot script table.\r
491\r
492 @retval RETURN_OUT_OF_RESOURCES The table is not available.\r
493 @retval RETURN_INVALID_PARAMETER The Position is not a valid position in the boot script table.\r
494 @retval RETURN_SUCCESS Opcode is inserted.\r
495**/\r
496RETURN_STATUS\r
497EFIAPI\r
498S3BootScriptMoveLastOpcode (\r
499 IN BOOLEAN BeforeOrAfter,\r
500 IN OUT VOID **Position OPTIONAL\r
501)\r
502{\r
9095d37b 503 return RETURN_SUCCESS;\r
fe69ac84 504}\r
505/**\r
506 Find a label within the boot script table and, if not present, optionally create it.\r
507\r
508 @param BeforeOrAfter Specifies whether the opcode is stored before (TRUE)\r
9095d37b 509 or after (FALSE) the position in the boot script table\r
fe69ac84 510 specified by Position.\r
9095d37b 511 @param CreateIfNotFound Specifies whether the label will be created if the label\r
fe69ac84 512 does not exists (TRUE) or not (FALSE).\r
513 @param Position On entry, specifies the position in the boot script table\r
514 where the opcode will be inserted, either before or after,\r
515 depending on BeforeOrAfter. On exit, specifies the position\r
516 of the inserted opcode in the boot script table.\r
517 @param Label Points to the label which will be inserted in the boot script table.\r
518\r
519 @retval EFI_SUCCESS The operation succeeded. A record was added into the\r
520 specified script table.\r
521 @retval EFI_INVALID_PARAMETER The parameter is illegal or the given boot script is not supported.\r
9095d37b 522 If the opcode is unknow or not supported because of the PCD\r
fe69ac84 523 Feature Flags.\r
524 @retval EFI_OUT_OF_RESOURCES There is insufficient memory to store the boot script.\r
525\r
526**/\r
527RETURN_STATUS\r
9095d37b 528EFIAPI\r
fe69ac84 529S3BootScriptLabel (\r
530 IN BOOLEAN BeforeOrAfter,\r
531 IN BOOLEAN CreateIfNotFound,\r
532 IN OUT VOID **Position OPTIONAL,\r
533 IN CONST CHAR8 *Label\r
534 )\r
535{\r
9095d37b 536 return RETURN_SUCCESS;\r
fe69ac84 537}\r
538/**\r
539 Compare two positions in the boot script table and return their relative position.\r
540 @param Position1 The positions in the boot script table to compare\r
541 @param Position2 The positions in the boot script table to compare\r
542 @param RelativePosition On return, points to the result of the comparison\r
543\r
544 @retval EFI_SUCCESS The operation succeeded. A record was added into the\r
545 specified script table.\r
546 @retval EFI_INVALID_PARAMETER The parameter is illegal or the given boot script is not supported.\r
9095d37b 547 If the opcode is unknow or not supported because of the PCD\r
fe69ac84 548 Feature Flags.\r
549 @retval EFI_OUT_OF_RESOURCES There is insufficient memory to store the boot script.\r
550\r
551**/\r
552RETURN_STATUS\r
9095d37b 553EFIAPI\r
fe69ac84 554S3BootScriptCompare (\r
555 IN UINT8 *Position1,\r
556 IN UINT8 *Position2,\r
557 OUT UINTN *RelativePosition\r
558 )\r
559{\r
9095d37b 560 return RETURN_SUCCESS;\r
fe69ac84 561}\r