1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
|
/** @file
Implementation for S3 SMM Boot Script Saver state driver.
Copyright (c) 2010 - 2017, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution. The
full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "InternalSmmSaveState.h"
EFI_S3_SMM_SAVE_STATE_PROTOCOL mS3SmmSaveState = {
BootScriptWrite,
BootScriptInsert,
BootScriptLabel,
BootScriptCompare
};
/**
Internal function to add IO write opcode to the table.
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.
@retval EFI_SUCCESS Opcode is added.
**/
EFI_STATUS
BootScriptWriteIoWrite (
IN VA_LIST Marker
)
{
S3_BOOT_SCRIPT_LIB_WIDTH Width;
UINT64 Address;
UINTN Count;
UINT8 *Buffer;
Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);
Address = VA_ARG (Marker, UINT64);
Count = VA_ARG (Marker, UINTN);
Buffer = VA_ARG (Marker, UINT8 *);
return S3BootScriptSaveIoWrite (Width, Address, Count, Buffer);
}
/**
Internal function to add IO read/write opcode to the table.
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.
@retval EFI_SUCCESS Opcode is added.
**/
EFI_STATUS
BootScriptWriteIoReadWrite (
IN VA_LIST Marker
)
{
S3_BOOT_SCRIPT_LIB_WIDTH Width;
UINT64 Address;
UINT8 *Data;
UINT8 *DataMask;
Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);
Address = VA_ARG (Marker, UINT64);
Data = VA_ARG (Marker, UINT8 *);
DataMask = VA_ARG (Marker, UINT8 *);
return S3BootScriptSaveIoReadWrite (Width, Address, Data, DataMask);
}
/**
Internal function to add memory write opcode to the table.
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.
@retval EFI_SUCCESS Opcode is added.
**/
EFI_STATUS
BootScriptWriteMemWrite (
IN VA_LIST Marker
)
{
S3_BOOT_SCRIPT_LIB_WIDTH Width;
UINT64 Address;
UINTN Count;
UINT8 *Buffer;
Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);
Address = VA_ARG (Marker, UINT64);
Count = VA_ARG (Marker, UINTN);
Buffer = VA_ARG (Marker, UINT8 *);
return S3BootScriptSaveMemWrite (Width, Address, Count, Buffer);
}
/**
Internal function to add memory read/write opcode to the table.
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.
@retval EFI_SUCCESS Opcode is added.
**/
EFI_STATUS
BootScriptWriteMemReadWrite (
IN VA_LIST Marker
)
{
S3_BOOT_SCRIPT_LIB_WIDTH Width;
UINT64 Address;
UINT8 *Data;
UINT8 *DataMask;
Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);
Address = VA_ARG (Marker, UINT64);
Data = VA_ARG (Marker, UINT8 *);
DataMask = VA_ARG (Marker, UINT8 *);
return S3BootScriptSaveMemReadWrite (Width, Address, Data, DataMask);
}
/**
Internal function to add PciCfg write opcode to the table.
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.
@retval EFI_SUCCESS Opcode is added.
**/
EFI_STATUS
BootScriptWritePciCfgWrite (
IN VA_LIST Marker
)
{
S3_BOOT_SCRIPT_LIB_WIDTH Width;
UINT64 Address;
UINTN Count;
UINT8 *Buffer;
Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);
Address = VA_ARG (Marker, UINT64);
Count = VA_ARG (Marker, UINTN);
Buffer = VA_ARG (Marker, UINT8 *);
return S3BootScriptSavePciCfgWrite (Width, Address, Count, Buffer);
}
/**
Internal function to PciCfg read/write opcode to the table.
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.
@retval EFI_SUCCESS Opcode is added.
**/
EFI_STATUS
BootScriptWritePciCfgReadWrite (
IN VA_LIST Marker
)
{
S3_BOOT_SCRIPT_LIB_WIDTH Width;
UINT64 Address;
UINT8 *Data;
UINT8 *DataMask;
Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);
Address = VA_ARG (Marker, UINT64);
Data = VA_ARG (Marker, UINT8 *);
DataMask = VA_ARG (Marker, UINT8 *);
return S3BootScriptSavePciCfgReadWrite (Width, Address, Data, DataMask);
}
/**
Internal function to add PciCfg2 write opcode to the table.
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.
@retval EFI_SUCCESS Opcode is added.
**/
EFI_STATUS
BootScriptWritePciCfg2Write (
IN VA_LIST Marker
)
{
S3_BOOT_SCRIPT_LIB_WIDTH Width;
UINT64 Address;
UINTN Count;
UINT8 *Buffer;
UINT16 Segment;
Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);
Segment = VA_ARG (Marker, UINT16);
Address = VA_ARG (Marker, UINT64);
Count = VA_ARG (Marker, UINTN);
Buffer = VA_ARG (Marker, UINT8 *);
return S3BootScriptSavePciCfg2Write (Width, Segment, Address, Count, Buffer);
}
/**
Internal function to PciCfg2 read/write opcode to the table.
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.
@retval EFI_SUCCESS Opcode is added.
**/
EFI_STATUS
BootScriptWritePciCfg2ReadWrite (
IN VA_LIST Marker
)
{
S3_BOOT_SCRIPT_LIB_WIDTH Width;
UINT16 Segment;
UINT64 Address;
UINT8 *Data;
UINT8 *DataMask;
Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);
Segment = VA_ARG (Marker, UINT16);
Address = VA_ARG (Marker, UINT64);
Data = VA_ARG (Marker, UINT8 *);
DataMask = VA_ARG (Marker, UINT8 *);
return S3BootScriptSavePciCfg2ReadWrite (Width, Segment, Address, Data, DataMask);
}
/**
Internal function to add smbus execute opcode to the table.
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.
@retval EFI_SUCCESS Opcode is added.
**/
EFI_STATUS
BootScriptWriteSmbusExecute (
IN VA_LIST Marker
)
{
EFI_SMBUS_DEVICE_ADDRESS SlaveAddress;
EFI_SMBUS_DEVICE_COMMAND Command;
EFI_SMBUS_OPERATION Operation;
BOOLEAN PecCheck;
VOID *Buffer;
UINTN *DataSize;
UINTN SmBusAddress;
SlaveAddress.SmbusDeviceAddress = VA_ARG (Marker, UINTN);
Command = VA_ARG (Marker, EFI_SMBUS_DEVICE_COMMAND);
Operation = VA_ARG (Marker, EFI_SMBUS_OPERATION);
PecCheck = VA_ARG (Marker, BOOLEAN);
SmBusAddress = SMBUS_LIB_ADDRESS (SlaveAddress.SmbusDeviceAddress,Command,0,PecCheck);
DataSize = VA_ARG (Marker, UINTN *);
Buffer = VA_ARG (Marker, VOID *);
return S3BootScriptSaveSmbusExecute (SmBusAddress, Operation, DataSize, Buffer);
}
/**
Internal function to add stall opcode to the table.
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.
@retval EFI_SUCCESS Opcode is added.
**/
EFI_STATUS
BootScriptWriteStall (
IN VA_LIST Marker
)
{
UINT32 Duration;
Duration = VA_ARG (Marker, UINT32);
return S3BootScriptSaveStall (Duration);
}
/**
Internal function to add Save jmp address according to DISPATCH_OPCODE.
We ignore "Context" parameter
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.
@retval EFI_SUCCESS Opcode is added.
**/
EFI_STATUS
BootScriptWriteDispatch (
IN VA_LIST Marker
)
{
VOID *EntryPoint;
EntryPoint = (VOID*)(UINTN)VA_ARG (Marker, EFI_PHYSICAL_ADDRESS);
return S3BootScriptSaveDispatch (EntryPoint);
}
/**
Internal function to add memory pool operation to the table.
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.
@retval EFI_SUCCESS Opcode is added.
**/
EFI_STATUS
BootScriptWriteMemPoll (
IN VA_LIST Marker
)
{
S3_BOOT_SCRIPT_LIB_WIDTH Width;
UINT64 Address;
VOID *Data;
VOID *DataMask;
UINT64 Delay;
UINT64 LoopTimes;
UINT32 Remainder;
Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);
Address = VA_ARG (Marker, UINT64);
Data = VA_ARG (Marker, VOID *);
DataMask = VA_ARG (Marker, VOID *);
Delay = VA_ARG (Marker, UINT64);
//
// According to the spec, the interval between 2 polls is 100ns,
// but the unit of Duration for S3BootScriptSaveMemPoll() is microsecond(1000ns).
// Duration * 1000ns * LoopTimes = Delay * 100ns
// Duration will be minimum 1(microsecond) to be minimum deviation,
// so LoopTimes = Delay / 10.
//
LoopTimes = DivU64x32Remainder (
Delay,
10,
&Remainder
);
if (Remainder != 0) {
//
// If Remainder is not zero, LoopTimes will be rounded up by 1.
//
LoopTimes +=1;
}
return S3BootScriptSaveMemPoll (Width, Address, DataMask, Data, 1, LoopTimes);
}
/**
Internal function to add Save jmp address according to DISPATCH_OPCODE2.
The "Context" parameter is not ignored.
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.
@retval EFI_SUCCESS Opcode is added.
**/
EFI_STATUS
BootScriptWriteDispatch2 (
IN VA_LIST Marker
)
{
VOID *EntryPoint;
VOID *Context;
EntryPoint = (VOID*)(UINTN)VA_ARG (Marker, EFI_PHYSICAL_ADDRESS);
Context = (VOID*)(UINTN)VA_ARG (Marker, EFI_PHYSICAL_ADDRESS);
return S3BootScriptSaveDispatch2 (EntryPoint, Context);
}
/**
Internal function to add INFORAMTION opcode node to the table
list.
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enought resource to complete the operations.
@retval EFI_SUCCESS The opcode entry is added to the table
successfully.
**/
EFI_STATUS
BootScriptWriteInformation (
IN VA_LIST Marker
)
{
UINT32 InformationLength;
EFI_PHYSICAL_ADDRESS Information;
InformationLength = VA_ARG (Marker, UINT32);
Information = VA_ARG (Marker, EFI_PHYSICAL_ADDRESS);
return S3BootScriptSaveInformation (InformationLength, (VOID*)(UINTN)Information);
}
/**
Internal function to add IO poll opcode node to the table
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enought resource to complete the operations.
@retval EFI_SUCCESS The opcode entry is added to the table
successfully.
**/
EFI_STATUS
BootScriptWriteIoPoll (
IN VA_LIST Marker
)
{
S3_BOOT_SCRIPT_LIB_WIDTH Width;
UINT64 Address;
VOID *Data;
VOID *DataMask;
UINT64 Delay;
Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);
Address = VA_ARG (Marker, UINT64);
Data = VA_ARG (Marker, VOID *);
DataMask = VA_ARG (Marker, VOID *);
Delay = (UINT64)VA_ARG (Marker, UINT64);
return S3BootScriptSaveIoPoll (Width, Address, Data, DataMask, Delay);
}
/**
Internal function to add PCI config poll opcode node to the table
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enought resource to complete the operations.
@retval EFI_SUCCESS The opcode entry is added to the table
successfully.
**/
EFI_STATUS
BootScriptWritePciConfigPoll (
IN VA_LIST Marker
)
{
S3_BOOT_SCRIPT_LIB_WIDTH Width;
UINT64 Address;
VOID *Data;
VOID *DataMask;
UINT64 Delay;
Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);
Address = VA_ARG (Marker, UINT64);
Data = VA_ARG (Marker, VOID *);
DataMask = VA_ARG (Marker, VOID *);
Delay = (UINT64)VA_ARG (Marker, UINT64);
return S3BootScriptSavePciPoll (Width, Address, Data, DataMask, Delay);
}
/**
Internal function to add PCI config 2 poll opcode node to the table
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enought resource to complete the operations.
@retval EFI_SUCCESS The opcode entry is added to the table
successfully.
**/
EFI_STATUS
BootScriptWritePciConfig2Poll (
IN VA_LIST Marker
)
{
S3_BOOT_SCRIPT_LIB_WIDTH Width;
UINT16 Segment;
UINT64 Address;
VOID *Data;
VOID *DataMask;
UINT64 Delay;
Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);
Segment = VA_ARG (Marker, UINT16);
Address = VA_ARG (Marker, UINT64);
Data = VA_ARG (Marker, VOID *);
DataMask = VA_ARG (Marker, VOID *);
Delay = (UINT64)VA_ARG (Marker, UINT64);
return S3BootScriptSavePci2Poll (Width, Segment, Address, Data, DataMask, Delay);
}
/**
Adds a record into S3 boot script table.
This function is used to store a boot script record into a given boot
script table. If the table specified by TableName is nonexistent in the
system, a new table will automatically be created and then the script record
will be added into the new table. This function is responsible for allocating
necessary memory for the script.
This function has a variable parameter list. The exact parameter list depends on
the OpCode that is passed into the function. If an unsupported OpCode or illegal
parameter list is passed in, this function returns EFI_INVALID_PARAMETER.
If there are not enough resources available for storing more scripts, this function returns
EFI_OUT_OF_RESOURCES.
@param This A pointer to the EFI_S3_SAVE_STATE_PROTOCOL instance.
@param OpCode The operation code (opcode) number.
@param ... Argument list that is specific to each opcode.
@retval EFI_SUCCESS The operation succeeded. A record was added into the
specified script table.
@retval EFI_INVALID_PARAMETER The parameter is illegal or the given boot script is not supported.
If the opcode is unknow or not supported because of the PCD
Feature Flags.
@retval EFI_OUT_OF_RESOURCES There is insufficient memory to store the boot script.
**/
EFI_STATUS
EFIAPI
BootScriptWrite (
IN CONST EFI_S3_SAVE_STATE_PROTOCOL *This,
IN UINT16 OpCode,
...
)
{
EFI_STATUS Status;
VA_LIST Marker;
//
// Build script according to opcode
//
switch (OpCode) {
case EFI_BOOT_SCRIPT_IO_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteIoWrite (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_IO_READ_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteIoReadWrite (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_MEM_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteMemWrite (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_MEM_READ_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteMemReadWrite (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_PCI_CONFIG_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWritePciCfgWrite (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_PCI_CONFIG_READ_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWritePciCfgReadWrite (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_SMBUS_EXECUTE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteSmbusExecute (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_STALL_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteStall (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_DISPATCH_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteDispatch (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_DISPATCH_2_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteDispatch2 (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_INFORMATION_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteInformation (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_MEM_POLL_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteMemPoll (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_PCI_CONFIG2_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWritePciCfg2Write (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_PCI_CONFIG2_READ_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWritePciCfg2ReadWrite (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_IO_POLL_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteIoPoll (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_PCI_CONFIG_POLL_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWritePciConfigPoll (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_PCI_CONFIG2_POLL_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWritePciConfig2Poll (Marker);
VA_END (Marker);
break;
default:
Status = EFI_INVALID_PARAMETER;
break;
}
return Status;
}
/**
Insert a record into a specified Framework boot script table.
This function is used to store an OpCode to be replayed as part of the S3 resume boot path. It is
assumed this protocol has platform specific mechanism to store the OpCode set and replay them
during the S3 resume.
The opcode is inserted before or after the specified position in the boot script table. If Position is
NULL then that position is after the last opcode in the table (BeforeOrAfter is FALSE) or before
the first opcode in the table (BeforeOrAfter is TRUE). The position which is pointed to by
Position upon return can be used for subsequent insertions.
@param This A pointer to the EFI_S3_SAVE_STATE_PROTOCOL instance.
@param BeforeOrAfter Specifies whether the opcode is stored before (TRUE) or after (FALSE) the position
in the boot script table specified by Position. If Position is NULL or points to
NULL then the new opcode is inserted at the beginning of the table (if TRUE) or end
of the table (if FALSE).
@param Position On entry, specifies the position in the boot script table where the opcode will be
inserted, either before or after, depending on BeforeOrAfter. On exit, specifies
the position of the inserted opcode in the boot script table.
@param OpCode The operation code (opcode) number.
@param ... Argument list that is specific to each opcode.
@retval EFI_SUCCESS The operation succeeded. A record was added into the
specified script table.
@retval EFI_INVALID_PARAMETER The Opcode is an invalid opcode value or the Position is not a valid position in the boot script table..
@retval EFI_OUT_OF_RESOURCES There is insufficient memory to store the boot script.
**/
EFI_STATUS
EFIAPI
BootScriptInsert (
IN CONST EFI_S3_SAVE_STATE_PROTOCOL *This,
IN BOOLEAN BeforeOrAfter,
IN OUT EFI_S3_BOOT_SCRIPT_POSITION *Position OPTIONAL,
IN UINT16 OpCode,
...
)
{
EFI_STATUS Status;
VA_LIST Marker;
//
// Build script according to opcode
//
switch (OpCode) {
case EFI_BOOT_SCRIPT_IO_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteIoWrite (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_IO_READ_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteIoReadWrite (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_MEM_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteMemWrite (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_MEM_READ_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteMemReadWrite (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_PCI_CONFIG_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWritePciCfgWrite (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_PCI_CONFIG_READ_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWritePciCfgReadWrite (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_SMBUS_EXECUTE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteSmbusExecute (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_STALL_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteStall (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_DISPATCH_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteDispatch (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_DISPATCH_2_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteDispatch2 (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_INFORMATION_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteInformation (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_MEM_POLL_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteMemPoll (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_PCI_CONFIG2_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWritePciCfg2Write (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_PCI_CONFIG2_READ_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWritePciCfg2ReadWrite (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_IO_POLL_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteIoPoll (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_PCI_CONFIG_POLL_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWritePciConfigPoll (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_PCI_CONFIG2_POLL_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWritePciConfig2Poll (Marker);
VA_END (Marker);
break;
default:
Status = EFI_INVALID_PARAMETER;
break;
}
if (!EFI_ERROR (Status)) {
Status = S3BootScriptMoveLastOpcode (BeforeOrAfter, Position);
}
return Status;
}
/**
Find a label within the boot script table and, if not present, optionally create it.
If the label Label is already exists in the boot script table, then no new label is created, the
position of the Label is returned in *Position and EFI_SUCCESS is returned.
If the label Label does not already exist and CreateIfNotFound is TRUE, then it will be
created before or after the specified position and EFI_SUCCESS is returned.
If the label Label does not already exist and CreateIfNotFound is FALSE, then
EFI_NOT_FOUND is returned.
@param This A pointer to the EFI_S3_SAVE_STATE_PROTOCOL instance.
@param BeforeOrAfter Specifies whether the label is stored before (TRUE) or after (FALSE) the position in
the boot script table specified by Position. If Position is NULL or points to
NULL then the new label is inserted at the beginning of the table (if TRUE) or end of
the table (if FALSE).
@param CreateIfNotFound Specifies whether the label will be created if the label does not exists (TRUE) or not
(FALSE).
@param Position On entry, specifies the position in the boot script table where the label will be inserted,
either before or after, depending on BeforeOrAfter. On exit, specifies the position
of the inserted label in the boot script table.
@param Label Points to the label which will be inserted in the boot script table.
@retval EFI_SUCCESS The label already exists or was inserted.
@retval EFI_INVALID_PARAMETER The Label is NULL or points to an empty string.
@retval EFI_INVALID_PARAMETER The Position is not a valid position in the boot script table.
**/
EFI_STATUS
EFIAPI
BootScriptLabel (
IN CONST EFI_S3_SAVE_STATE_PROTOCOL *This,
IN BOOLEAN BeforeOrAfter,
IN BOOLEAN CreateIfNotFound,
IN OUT EFI_S3_BOOT_SCRIPT_POSITION *Position OPTIONAL,
IN CONST CHAR8 *Label
)
{
return S3BootScriptLabel (BeforeOrAfter, CreateIfNotFound, Position, Label);
}
/**
Compare two positions in the boot script table and return their relative position.
This function compares two positions in the boot script table and returns their relative positions. If
Position1 is before Position2, then -1 is returned. If Position1 is equal to Position2,
then 0 is returned. If Position1 is after Position2, then 1 is returned.
@param This A pointer to the EFI_S3_SAVE_STATE_PROTOCOL instance.
@param Position1 The positions in the boot script table to compare
@param Position2 The positions in the boot script table to compare
@param RelativePosition On return, points to the result of the comparison
@retval EFI_SUCCESS The operation succeeded.
@retval EFI_INVALID_PARAMETER The Position1 or Position2 is not a valid position in the boot script table.
@retval EFI_INVALID_PARAMETER The RelativePosition is NULL.
**/
EFI_STATUS
EFIAPI
BootScriptCompare (
IN CONST EFI_S3_SAVE_STATE_PROTOCOL *This,
IN EFI_S3_BOOT_SCRIPT_POSITION Position1,
IN EFI_S3_BOOT_SCRIPT_POSITION Position2,
OUT UINTN *RelativePosition
)
{
return S3BootScriptCompare (Position1, Position2, RelativePosition);
}
/**
This routine is entry point of ScriptSave driver.
@param ImageHandle Handle for this drivers loaded image protocol.
@param SystemTable EFI system table.
@retval EFI_OUT_OF_RESOURCES No enough resource
@retval EFI_SUCCESS Succesfully installed the ScriptSave driver.
@retval other Errors occured.
**/
EFI_STATUS
EFIAPI
InitializeSmmS3SaveState (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_HANDLE Handle;
if (!PcdGetBool (PcdAcpiS3Enable)) {
return EFI_UNSUPPORTED;
}
Handle = NULL;
return gSmst->SmmInstallProtocolInterface (
&Handle,
&gEfiS3SmmSaveStateProtocolGuid,
EFI_NATIVE_INTERFACE,
&mS3SmmSaveState
);
}
|