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[mirror_edk2.git] / EmbeddedPkg / Ebl / EfiDevice.c
1 /** @file
2 EBL commands for EFI and PI Devices
3
4 Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
5 Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
6
7 This program and the accompanying materials
8 are licensed and made available under the terms and conditions of the BSD License
9 which accompanies this distribution. The full text of the license may be found at
10 http://opensource.org/licenses/bsd-license.php
11
12 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
13 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
14
15 **/
16
17 #include "Ebl.h"
18
19
20 EFI_DXE_SERVICES *gDS = NULL;
21
22
23 /**
24 Print information about the File System device.
25
26 @param File Open File for the device
27
28 **/
29 VOID
30 EblPrintFsInfo (
31 IN EFI_OPEN_FILE *File
32 )
33 {
34 CHAR16 *Str;
35
36 if (File == NULL) {
37 return;
38 }
39
40 AsciiPrint (" %a: ", File->DeviceName);
41 if (File->FsInfo != NULL) {
42 for (Str = File->FsInfo->VolumeLabel; *Str != '\0'; Str++) {
43 if (*Str == ' ') {
44 // UI makes you enter _ for space, so make the printout match that
45 *Str = '_';
46 }
47 AsciiPrint ("%c", *Str);
48 }
49 AsciiPrint (":");
50 if (File->FsInfo->ReadOnly) {
51 AsciiPrint ("ReadOnly");
52 }
53 }
54
55 AsciiPrint ("\n");
56 EfiClose (File);
57 }
58
59
60 /**
61 Print information about the FV devices.
62
63 @param File Open File for the device
64
65 **/
66 VOID
67 EblPrintFvbInfo (
68 IN EFI_OPEN_FILE *File
69 )
70 {
71 if (File == NULL) {
72 return;
73 }
74
75 AsciiPrint (" %a: 0x%08lx - 0x%08lx : 0x%08x\n", File->DeviceName, File->FvStart, File->FvStart + File->FvSize - 1, File->FvSize);
76 EfiClose (File);
77 }
78
79
80 /**
81 Print information about the Blk IO devices.
82 If the device supports PXE dump out extra information
83
84 @param File Open File for the device
85
86 **/
87 VOID
88 EblPrintBlkIoInfo (
89 IN EFI_OPEN_FILE *File
90 )
91 {
92 UINT64 DeviceSize;
93 UINTN Index;
94 UINTN Max;
95 EFI_OPEN_FILE *FsFile;
96
97 if (File == NULL) {
98 return;
99 }
100
101 AsciiPrint (" %a: ", File->DeviceName);
102
103 // print out name of file system, if any, on this block device
104 Max = EfiGetDeviceCounts (EfiOpenFileSystem);
105 if (Max != 0) {
106 for (Index = 0; Index < Max; Index++) {
107 FsFile = EfiDeviceOpenByType (EfiOpenFileSystem, Index);
108 if (FsFile != NULL) {
109 if (FsFile->EfiHandle == File->EfiHandle) {
110 AsciiPrint ("fs%d: ", Index);
111 EfiClose (FsFile);
112 break;
113 }
114 EfiClose (FsFile);
115 }
116 }
117 }
118
119 // Print out useful Block IO media properties
120 if (File->FsBlockIoMedia->RemovableMedia) {
121 AsciiPrint ("Removable ");
122 }
123 if (!File->FsBlockIoMedia->MediaPresent) {
124 AsciiPrint ("No Media\n");
125 } else {
126 if (File->FsBlockIoMedia->LogicalPartition) {
127 AsciiPrint ("Partition ");
128 }
129 DeviceSize = MultU64x32 (File->FsBlockIoMedia->LastBlock + 1, File->FsBlockIoMedia->BlockSize);
130 AsciiPrint ("Size = 0x%lX\n", DeviceSize);
131 }
132 EfiClose (File);
133 }
134
135 /**
136 Print information about the Load File devices.
137 If the device supports PXE dump out extra information
138
139 @param File Open File for the device
140
141 **/
142 VOID
143 EblPrintLoadFileInfo (
144 IN EFI_OPEN_FILE *File
145 )
146 {
147 EFI_DEVICE_PATH_PROTOCOL *DevicePathNode;
148 MAC_ADDR_DEVICE_PATH *MacAddr;
149 UINTN HwAddressSize;
150 UINTN Index;
151
152 if (File == NULL) {
153 return;
154 }
155
156 AsciiPrint (" %a: %a ", File->DeviceName, EblLoadFileBootTypeString (File->EfiHandle));
157
158 if (File->DevicePath != NULL) {
159 // Try to print out the MAC address
160 for (DevicePathNode = File->DevicePath;
161 !IsDevicePathEnd (DevicePathNode);
162 DevicePathNode = NextDevicePathNode (DevicePathNode)) {
163
164 if ((DevicePathType (DevicePathNode) == MESSAGING_DEVICE_PATH) && (DevicePathSubType (DevicePathNode) == MSG_MAC_ADDR_DP)) {
165 MacAddr = (MAC_ADDR_DEVICE_PATH *)DevicePathNode;
166
167 HwAddressSize = sizeof (EFI_MAC_ADDRESS);
168 if (MacAddr->IfType == 0x01 || MacAddr->IfType == 0x00) {
169 HwAddressSize = 6;
170 }
171
172 AsciiPrint ("MAC ");
173 for (Index = 0; Index < HwAddressSize; Index++) {
174 AsciiPrint ("%02x", MacAddr->MacAddress.Addr[Index] & 0xff);
175 }
176 }
177 }
178 }
179
180 AsciiPrint ("\n");
181 EfiClose (File);
182 return;
183 }
184
185
186
187 /**
188 Dump information about devices in the system.
189
190 fv: PI Firmware Volume
191 fs: EFI Simple File System
192 blk: EFI Block IO
193 LoadFile: EFI Load File Protocol (commonly PXE network boot)
194
195 Argv[0] - "device"
196
197 @param Argc Number of command arguments in Argv
198 @param Argv Array of strings that represent the parsed command line.
199 Argv[0] is the command name
200
201 @return EFI_SUCCESS
202
203 **/
204 EFI_STATUS
205 EblDeviceCmd (
206 IN UINTN Argc,
207 IN CHAR8 **Argv
208 )
209 {
210 UINTN Index;
211 UINTN CurrentRow;
212 UINTN Max;
213
214 CurrentRow = 0;
215
216 // Need to call here to make sure Device Counts are valid
217 EblUpdateDeviceLists ();
218
219 // Now we can print out the info...
220 Max = EfiGetDeviceCounts (EfiOpenFirmwareVolume);
221 if (Max != 0) {
222 AsciiPrint ("Firmware Volume Devices:\n");
223 for (Index = 0; Index < Max; Index++) {
224 EblPrintFvbInfo (EfiDeviceOpenByType (EfiOpenFirmwareVolume, Index));
225 if (EblAnyKeyToContinueQtoQuit (&CurrentRow, TRUE)) {
226 break;
227 }
228 }
229 }
230
231 Max = EfiGetDeviceCounts (EfiOpenFileSystem);
232 if (Max != 0) {
233 AsciiPrint ("File System Devices:\n");
234 for (Index = 0; Index < Max; Index++) {
235 EblPrintFsInfo (EfiDeviceOpenByType (EfiOpenFileSystem, Index));
236 if (EblAnyKeyToContinueQtoQuit (&CurrentRow, TRUE)) {
237 break;
238 }
239 }
240 }
241
242 Max = EfiGetDeviceCounts (EfiOpenBlockIo);
243 if (Max != 0) {
244 AsciiPrint ("Block IO Devices:\n");
245 for (Index = 0; Index < Max; Index++) {
246 EblPrintBlkIoInfo (EfiDeviceOpenByType (EfiOpenBlockIo, Index));
247 if (EblAnyKeyToContinueQtoQuit (&CurrentRow, TRUE)) {
248 break;
249 }
250 }
251 }
252
253 Max = EfiGetDeviceCounts (EfiOpenLoadFile);
254 if (Max != 0) {
255 AsciiPrint ("LoadFile Devices: (usually network)\n");
256 for (Index = 0; Index < Max; Index++) {
257 EblPrintLoadFileInfo (EfiDeviceOpenByType (EfiOpenLoadFile, Index));
258 if (EblAnyKeyToContinueQtoQuit (&CurrentRow, TRUE)) {
259 break;
260 }
261 }
262 }
263
264 return EFI_SUCCESS;
265 }
266
267
268 /**
269 Start an EFI image (PE32+ with EFI defined entry point).
270
271 Argv[0] - "start"
272 Argv[1] - device name and path
273 Argv[2] - "" string to pass into image being started
274
275 start fs1:\Temp\Fv.Fv "arg to pass" ; load an FV from the disk and pass the
276 ; ascii string arg to pass to the image
277 start fv0:\FV ; load an FV from an FV (not common)
278 start LoadFile0: ; load an FV via a PXE boot
279
280 @param Argc Number of command arguments in Argv
281 @param Argv Array of strings that represent the parsed command line.
282 Argv[0] is the command name
283
284 @return EFI_SUCCESS
285
286 **/
287 EFI_STATUS
288 EblStartCmd (
289 IN UINTN Argc,
290 IN CHAR8 **Argv
291 )
292 {
293 EFI_STATUS Status;
294 EFI_OPEN_FILE *File;
295 EFI_DEVICE_PATH_PROTOCOL *DevicePath;
296 EFI_HANDLE ImageHandle;
297 UINTN ExitDataSize;
298 CHAR16 *ExitData;
299 VOID *Buffer;
300 UINTN BufferSize;
301 EFI_LOADED_IMAGE_PROTOCOL *ImageInfo;
302
303 ImageHandle = NULL;
304
305 if (Argc < 2) {
306 return EFI_INVALID_PARAMETER;
307 }
308
309 File = EfiOpen (Argv[1], EFI_FILE_MODE_READ, 0);
310 if (File == NULL) {
311 return EFI_INVALID_PARAMETER;
312 }
313
314 DevicePath = File->DevicePath;
315 if (DevicePath != NULL) {
316 // check for device path form: blk, fv, fs, and loadfile
317 Status = gBS->LoadImage (FALSE, gImageHandle, DevicePath, NULL, 0, &ImageHandle);
318 } else {
319 // Check for buffer form: A0x12345678:0x1234 syntax.
320 // Means load using buffer starting at 0x12345678 of size 0x1234.
321
322 Status = EfiReadAllocatePool (File, &Buffer, &BufferSize);
323 if (EFI_ERROR (Status)) {
324 EfiClose (File);
325 return Status;
326 }
327 Status = gBS->LoadImage (FALSE, gImageHandle, DevicePath, Buffer, BufferSize, &ImageHandle);
328
329 FreePool (Buffer);
330 }
331
332 EfiClose (File);
333
334 if (!EFI_ERROR (Status)) {
335 if (Argc >= 3) {
336 // Argv[2] is a "" string that we pass directly to the EFI application without the ""
337 // We don't pass Argv[0] to the EFI Application (it's name) just the args
338 Status = gBS->HandleProtocol (ImageHandle, &gEfiLoadedImageProtocolGuid, (VOID **)&ImageInfo);
339 ASSERT_EFI_ERROR (Status);
340
341 ImageInfo->LoadOptionsSize = (UINT32)AsciiStrSize (Argv[2]);
342 ImageInfo->LoadOptions = AllocatePool (ImageInfo->LoadOptionsSize);
343 AsciiStrCpy (ImageInfo->LoadOptions, Argv[2]);
344 }
345
346 // Transfer control to the EFI image we loaded with LoadImage()
347 Status = gBS->StartImage (ImageHandle, &ExitDataSize, &ExitData);
348 }
349
350 return Status;
351 }
352
353
354 /**
355 Load a Firmware Volume (FV) into memory from a device. This causes drivers in
356 the FV to be dispatched if the dependencies of the drivers are met.
357
358 Argv[0] - "loadfv"
359 Argv[1] - device name and path
360
361 loadfv fs1:\Temp\Fv.Fv ; load an FV from the disk
362 loadfv fv0:\FV ; load an FV from an FV (not common)
363 loadfv LoadFile0: ; load an FV via a PXE boot
364
365 @param Argc Number of command arguments in Argv
366 @param Argv Array of strings that represent the parsed command line.
367 Argv[0] is the command name
368
369 @return EFI_SUCCESS
370
371 **/
372 EFI_STATUS
373 EblLoadFvCmd (
374 IN UINTN Argc,
375 IN CHAR8 **Argv
376 )
377 {
378 EFI_STATUS Status;
379 EFI_OPEN_FILE *File;
380 VOID *FvStart;
381 UINTN FvSize;
382 EFI_HANDLE FvHandle;
383
384
385 if (Argc < 2) {
386 return EFI_INVALID_PARAMETER;
387 }
388
389 File = EfiOpen (Argv[1], EFI_FILE_MODE_READ, 0);
390 if (File == NULL) {
391 return EFI_INVALID_PARAMETER;
392 }
393
394 if (File->Type == EfiOpenMemoryBuffer) {
395 // If it is a address just use it.
396 Status = gDS->ProcessFirmwareVolume (File->Buffer, File->Size, &FvHandle);
397 } else {
398 // If it is a file read it into memory and use it
399 Status = EfiReadAllocatePool (File, &FvStart, &FvSize);
400 EfiClose (File);
401 if (EFI_ERROR (Status)) {
402 return Status;
403 }
404
405 Status = gDS->ProcessFirmwareVolume (FvStart, FvSize, &FvHandle);
406 if (EFI_ERROR (Status)) {
407 FreePool (FvStart);
408 }
409 }
410 return Status;
411 }
412
413
414 /**
415 Perform an EFI connect to connect devices that follow the EFI driver model.
416 If it is a PI system also call the dispatcher in case a new FV was made
417 available by one of the connect EFI drivers (this is not a common case).
418
419 Argv[0] - "connect"
420
421 @param Argc Number of command arguments in Argv
422 @param Argv Array of strings that represent the parsed command line.
423 Argv[0] is the command name
424
425 @return EFI_SUCCESS
426
427 **/
428 EFI_STATUS
429 EblConnectCmd (
430 IN UINTN Argc,
431 IN CHAR8 **Argv
432 )
433 {
434 EFI_STATUS Status;
435 UINTN HandleCount;
436 EFI_HANDLE *HandleBuffer;
437 UINTN Index;
438 BOOLEAN Dispatch;
439 EFI_OPEN_FILE *File;
440
441
442 if (Argc > 1) {
443 if ((*Argv[1] == 'd') || (*Argv[1] == 'D')) {
444 Status = gBS->LocateHandleBuffer (
445 AllHandles,
446 NULL,
447 NULL,
448 &HandleCount,
449 &HandleBuffer
450 );
451 if (EFI_ERROR (Status)) {
452 return Status;
453 }
454
455 for (Index = 0; Index < HandleCount; Index++) {
456 gBS->DisconnectController (HandleBuffer[Index], NULL, NULL);
457 }
458
459 //
460 // Given we disconnect our console we should go and do a connect now
461 //
462 } else {
463 File = EfiOpen (Argv[1], EFI_FILE_MODE_READ, 0);
464 if (File != NULL) {
465 AsciiPrint ("Connecting %a\n", Argv[1]);
466 gBS->ConnectController (File->EfiHandle, NULL, NULL, TRUE);
467 EfiClose (File);
468 return EFI_SUCCESS;
469 }
470 }
471 }
472
473 Dispatch = FALSE;
474 do {
475 Status = gBS->LocateHandleBuffer (
476 AllHandles,
477 NULL,
478 NULL,
479 &HandleCount,
480 &HandleBuffer
481 );
482 if (EFI_ERROR (Status)) {
483 return Status;
484 }
485
486 for (Index = 0; Index < HandleCount; Index++) {
487 gBS->ConnectController (HandleBuffer[Index], NULL, NULL, TRUE);
488 }
489
490 FreePool (HandleBuffer);
491
492 //
493 // Check to see if it's possible to dispatch an more DXE drivers.
494 // The BdsLibConnectAllEfi () may have made new DXE drivers show up.
495 // If anything is Dispatched Status == EFI_SUCCESS and we will try
496 // the connect again.
497 //
498 if (gDS == NULL) {
499 Status = EFI_NOT_FOUND;
500 } else {
501 Status = gDS->Dispatch ();
502 if (!EFI_ERROR (Status)) {
503 Dispatch = TRUE;
504 }
505 }
506
507 } while (!EFI_ERROR (Status));
508
509 if (Dispatch) {
510 AsciiPrint ("Connected and dispatched\n");
511 } else {
512 AsciiPrint ("Connect\n");
513 }
514
515 return EFI_SUCCESS;
516 }
517
518
519
520 CHAR8 *gMemMapType[] = {
521 "reserved ",
522 "LoaderCode",
523 "LoaderData",
524 "BS_code ",
525 "BS_data ",
526 "RT_code ",
527 "RT_data ",
528 "available ",
529 "Unusable ",
530 "ACPI_recl ",
531 "ACPI_NVS ",
532 "MemMapIO ",
533 "MemPortIO ",
534 "PAL_code "
535 };
536
537
538 /**
539 Dump out the EFI memory map
540
541 Argv[0] - "memmap"
542
543 @param Argc Number of command arguments in Argv
544 @param Argv Array of strings that represent the parsed command line.
545 Argv[0] is the command name
546
547 @return EFI_SUCCESS
548
549 **/
550 EFI_STATUS
551 EblMemMapCmd (
552 IN UINTN Argc,
553 IN CHAR8 **Argv
554 )
555 {
556 EFI_STATUS Status;
557 EFI_MEMORY_DESCRIPTOR *MemMap;
558 EFI_MEMORY_DESCRIPTOR *OrigMemMap;
559 UINTN MemMapSize;
560 UINTN MapKey;
561 UINTN DescriptorSize;
562 UINT32 DescriptorVersion;
563 UINT64 PageCount[EfiMaxMemoryType];
564 UINTN Index;
565 UINT64 EntrySize;
566 UINTN CurrentRow;
567 UINT64 TotalMemory;
568
569 ZeroMem (PageCount, sizeof (PageCount));
570
571 AsciiPrint ("EFI Memory Map\n");
572
573 // First call is to figure out how big the buffer needs to be
574 MemMapSize = 0;
575 MemMap = NULL;
576 Status = gBS->GetMemoryMap (&MemMapSize, MemMap, &MapKey, &DescriptorSize, &DescriptorVersion);
577 if (Status == EFI_BUFFER_TOO_SMALL) {
578 // In case the AllocatPool changes the memory map we added in some extra descriptors
579 MemMapSize += (DescriptorSize * 0x100);
580 OrigMemMap = MemMap = AllocatePool (MemMapSize);
581 if (OrigMemMap != NULL) {
582 // 2nd time we get the data
583 Status = gBS->GetMemoryMap (&MemMapSize, MemMap, &MapKey, &DescriptorSize, &DescriptorVersion);
584 if (!EFI_ERROR (Status)) {
585 for (Index = 0, CurrentRow = 0; Index < MemMapSize/DescriptorSize; Index++) {
586 EntrySize = LShiftU64 (MemMap->NumberOfPages, 12);
587 AsciiPrint ("\n%a %016lx - %016lx: # %08lx %016lx", gMemMapType[MemMap->Type % EfiMaxMemoryType], MemMap->PhysicalStart, MemMap->PhysicalStart + EntrySize -1, MemMap->NumberOfPages, MemMap->Attribute);
588 if (EblAnyKeyToContinueQtoQuit (&CurrentRow, TRUE)) {
589 break;
590 }
591
592 PageCount[MemMap->Type % EfiMaxMemoryType] += MemMap->NumberOfPages;
593 MemMap = NEXT_MEMORY_DESCRIPTOR (MemMap, DescriptorSize);
594 }
595 }
596
597 for (Index = 0, TotalMemory = 0; Index < EfiMaxMemoryType; Index++) {
598 if (PageCount[Index] != 0) {
599 AsciiPrint ("\n %a %,7ld Pages (%,14ld)", gMemMapType[Index], PageCount[Index], LShiftU64 (PageCount[Index], 12));
600 if (Index == EfiLoaderCode ||
601 Index == EfiLoaderData ||
602 Index == EfiBootServicesCode ||
603 Index == EfiBootServicesData ||
604 Index == EfiRuntimeServicesCode ||
605 Index == EfiRuntimeServicesData ||
606 Index == EfiConventionalMemory ||
607 Index == EfiACPIReclaimMemory ||
608 Index == EfiACPIMemoryNVS ||
609 Index == EfiPalCode
610 ) {
611 // Count total memory
612 TotalMemory += PageCount[Index];
613 }
614 }
615 }
616
617 AsciiPrint ("\nTotal Memory: %,ld MB (%,ld bytes)\n", RShiftU64 (TotalMemory, 8), LShiftU64 (TotalMemory, 12));
618
619 FreePool (OrigMemMap);
620
621 }
622 }
623
624 return EFI_SUCCESS;
625 }
626
627
628
629
630 /**
631 Load a file into memory and optionally jump to it. A load address can be
632 specified or automatically allocated. A quoted command line can optionally
633 be passed into the image.
634
635 Argv[0] - "go"
636 Argv[1] - Device Name:path for the file to load
637 Argv[2] - Address to load to or '*' if the load address will be allocated
638 Argv[3] - Optional Entry point to the image. Image will be called if present
639 Argv[4] - "" string that will be passed as Argc & Argv to EntryPoint. Needs
640 to include the command name
641
642 go fv1:\EblCmdX 0x10000 0x10010 "EblCmdX Arg2 Arg3 Arg4"; - load EblCmdX
643 from FV1 to location 0x10000 and call the entry point at 0x10010 passing
644 in "EblCmdX Arg2 Arg3 Arg4" as the arguments.
645
646 go fv0:\EblCmdX * 0x10 "EblCmdX Arg2 Arg3 Arg4"; - load EblCmdX from FS0
647 to location allocated by this command and call the entry point at offset 0x10
648 passing in "EblCmdX Arg2 Arg3 Arg4" as the arguments.
649
650 go fv1:\EblCmdX 0x10000; Load EblCmdX to address 0x10000 and return
651
652 @param Argc Number of command arguments in Argv
653 @param Argv Array of strings that represent the parsed command line.
654 Argv[0] is the command name
655
656 @return EFI_SUCCESS
657
658 **/
659 EFI_STATUS
660 EblGoCmd (
661 IN UINTN Argc,
662 IN CHAR8 **Argv
663 )
664 {
665 EFI_STATUS Status;
666 EFI_OPEN_FILE *File;
667 VOID *Address;
668 UINTN Size;
669 EBL_COMMMAND EntryPoint;
670 UINTN EntryPointArgc;
671 CHAR8 *EntryPointArgv[MAX_ARGS];
672
673
674 if (Argc <= 2) {
675 // device name and laod address are required
676 return EFI_SUCCESS;
677 }
678
679 File = EfiOpen (Argv[1], EFI_FILE_MODE_READ, 0);
680 if (File == NULL) {
681 AsciiPrint (" %a is not a valid path\n", Argv[1]);
682 return EFI_SUCCESS;
683 }
684
685 EntryPoint = (EBL_COMMMAND)((Argc > 3) ? (UINTN)AsciiStrHexToUintn (Argv[3]) : (UINTN)NULL);
686 if (Argv[2][0] == '*') {
687 // * Means allocate the buffer
688 Status = EfiReadAllocatePool (File, &Address, &Size);
689
690 // EntryPoint is relative to the start of the image
691 EntryPoint = (EBL_COMMMAND)((UINTN)EntryPoint + (UINTN)Address);
692
693 } else {
694 Address = (VOID *)AsciiStrHexToUintn (Argv[2]);
695 Size = File->Size;
696
697 // File->Size for LoadFile is lazy so we need to use the tell to figure it out
698 EfiTell (File, NULL);
699 Status = EfiRead (File, Address, &Size);
700 }
701
702 if (!EFI_ERROR (Status)) {
703 AsciiPrint ("Loaded %,d bytes to 0x%08x\n", Size, Address);
704
705 if (Argc > 3) {
706 if (Argc > 4) {
707 ParseArguments (Argv[4], &EntryPointArgc, EntryPointArgv);
708 } else {
709 EntryPointArgc = 1;
710 EntryPointArgv[0] = File->FileName;
711 }
712
713 Status = EntryPoint (EntryPointArgc, EntryPointArgv);
714 }
715 }
716
717 EfiClose (File);
718 return Status;
719 }
720
721 #define FILE_COPY_CHUNK 0x20000
722
723 EFI_STATUS
724 EblFileCopyCmd (
725 IN UINTN Argc,
726 IN CHAR8 **Argv
727 )
728 {
729 EFI_OPEN_FILE *Source = NULL;
730 EFI_OPEN_FILE *Destination = NULL;
731 EFI_STATUS Status = EFI_SUCCESS;
732 VOID *Buffer = NULL;
733 UINTN Size;
734 UINTN Offset;
735 UINTN Chunk = FILE_COPY_CHUNK;
736
737 if (Argc < 3) {
738 return EFI_INVALID_PARAMETER;
739 }
740
741 Source = EfiOpen(Argv[1], EFI_FILE_MODE_READ, 0);
742 if (Source == NULL) {
743 AsciiPrint("Source file open error.\n");
744 return EFI_NOT_FOUND;
745 }
746
747 Destination = EfiOpen(Argv[2], EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE | EFI_FILE_MODE_CREATE, 0);
748 if (Destination == NULL) {
749 AsciiPrint("Destination file open error.\n");
750 return EFI_NOT_FOUND;
751 }
752
753 Buffer = AllocatePool(FILE_COPY_CHUNK);
754 if (Buffer == NULL) {
755 goto Exit;
756 }
757
758 Size = EfiTell(Source, NULL);
759
760 for (Offset = 0; Offset + FILE_COPY_CHUNK <= Size; Offset += Chunk) {
761 Chunk = FILE_COPY_CHUNK;
762
763 Status = EfiRead(Source, Buffer, &Chunk);
764 if (EFI_ERROR(Status)) {
765 AsciiPrint("Read file error %r\n", Status);
766 goto Exit;
767 }
768
769 Status = EfiWrite(Destination, Buffer, &Chunk);
770 if (EFI_ERROR(Status)) {
771 AsciiPrint("Write file error %r\n", Status);
772 goto Exit;
773 }
774 }
775
776 // Any left over?
777 if (Offset < Size) {
778 Chunk = Size - Offset;
779
780 Status = EfiRead(Source, Buffer, &Chunk);
781 if (EFI_ERROR(Status)) {
782 AsciiPrint("Read file error %r\n", Status);
783 goto Exit;
784 }
785
786 Status = EfiWrite(Destination, Buffer, &Chunk);
787 if (EFI_ERROR(Status)) {
788 AsciiPrint("Write file error %r\n", Status);
789 goto Exit;
790 }
791 }
792
793
794 Exit:
795 if (Source != NULL) {
796 Status = EfiClose(Source);
797 if (EFI_ERROR(Status)) {
798 AsciiPrint("Source close error %r\n", Status);
799 }
800 }
801 if (Destination != NULL) {
802 Status = EfiClose(Destination);
803 if (EFI_ERROR(Status)) {
804 AsciiPrint("Destination close error %r\n", Status);
805 }
806 }
807
808 if (Buffer != NULL) {
809 FreePool(Buffer);
810 }
811
812 return Status;
813 }
814
815 EFI_STATUS
816 EblFileDiffCmd (
817 IN UINTN Argc,
818 IN CHAR8 **Argv
819 )
820 {
821 EFI_OPEN_FILE *File1 = NULL;
822 EFI_OPEN_FILE *File2 = NULL;
823 EFI_STATUS Status = EFI_SUCCESS;
824 VOID *Buffer1 = NULL;
825 VOID *Buffer2 = NULL;
826 UINTN Size1;
827 UINTN Size2;
828 UINTN Offset;
829 UINTN Chunk = FILE_COPY_CHUNK;
830
831 if (Argc != 3) {
832 return EFI_INVALID_PARAMETER;
833 }
834
835 File1 = EfiOpen(Argv[1], EFI_FILE_MODE_READ, 0);
836 if (File1 == NULL) {
837 AsciiPrint("File 1 open error.\n");
838 return EFI_NOT_FOUND;
839 }
840
841 File2 = EfiOpen(Argv[2], EFI_FILE_MODE_READ, 0);
842 if (File2 == NULL) {
843 AsciiPrint("File 2 open error.\n");
844 return EFI_NOT_FOUND;
845 }
846
847 Size1 = EfiTell(File1, NULL);
848 Size2 = EfiTell(File2, NULL);
849
850 if (Size1 != Size2) {
851 AsciiPrint("Files differ.\n");
852 goto Exit;
853 }
854
855 Buffer1 = AllocatePool(FILE_COPY_CHUNK);
856 if (Buffer1 == NULL) {
857 goto Exit;
858 }
859
860 Buffer2 = AllocatePool(FILE_COPY_CHUNK);
861 if (Buffer2 == NULL) {
862 goto Exit;
863 }
864
865 for (Offset = 0; Offset + FILE_COPY_CHUNK <= Size1; Offset += Chunk) {
866 Chunk = FILE_COPY_CHUNK;
867
868 Status = EfiRead(File1, Buffer1, &Chunk);
869 if (EFI_ERROR(Status)) {
870 AsciiPrint("File 1 read error\n");
871 goto Exit;
872 }
873
874 Status = EfiRead(File2, Buffer2, &Chunk);
875 if (EFI_ERROR(Status)) {
876 AsciiPrint("File 2 read error\n");
877 goto Exit;
878 }
879
880 if (CompareMem(Buffer1, Buffer2, Chunk) != 0) {
881 AsciiPrint("Files differ.\n");
882 goto Exit;
883 };
884 }
885
886 // Any left over?
887 if (Offset < Size1) {
888 Chunk = Size1 - Offset;
889
890 Status = EfiRead(File1, Buffer1, &Chunk);
891 if (EFI_ERROR(Status)) {
892 AsciiPrint("File 1 read error\n");
893 goto Exit;
894 }
895
896 Status = EfiRead(File2, Buffer2, &Chunk);
897 if (EFI_ERROR(Status)) {
898 AsciiPrint("File 2 read error\n");
899 goto Exit;
900 }
901 }
902
903 if (CompareMem(Buffer1, Buffer2, Chunk) != 0) {
904 AsciiPrint("Files differ.\n");
905 } else {
906 AsciiPrint("Files are identical.\n");
907 }
908
909 Exit:
910 if (File1 != NULL) {
911 Status = EfiClose(File1);
912 if (EFI_ERROR(Status)) {
913 AsciiPrint("File 1 close error %r\n", Status);
914 }
915 }
916
917 if (File2 != NULL) {
918 Status = EfiClose(File2);
919 if (EFI_ERROR(Status)) {
920 AsciiPrint("File 2 close error %r\n", Status);
921 }
922 }
923
924 if (Buffer1 != NULL) {
925 FreePool(Buffer1);
926 }
927
928 if (Buffer2 != NULL) {
929 FreePool(Buffer2);
930 }
931
932 return Status;
933 }
934
935 GLOBAL_REMOVE_IF_UNREFERENCED const EBL_COMMAND_TABLE mCmdDeviceTemplate[] =
936 {
937 {
938 "connect",
939 "[d]; Connect all EFI devices. d means disconnect",
940 NULL,
941 EblConnectCmd
942 },
943 {
944 "device",
945 "; Show information about boot devices",
946 NULL,
947 EblDeviceCmd
948 },
949 {
950 "go",
951 " dev:path loadaddress entrypoint args; load to given address and jump in",
952 NULL,
953 EblGoCmd
954 },
955 {
956 "loadfv",
957 " devname; Load PI FV from device",
958 NULL,
959 EblLoadFvCmd
960 },
961 {
962 "start",
963 " path; EFI Boot Device:filepath. fs1:\\EFI\\BOOT.EFI",
964 NULL,
965 EblStartCmd
966 },
967 {
968 "memmap",
969 "; dump EFI memory map",
970 NULL,
971 EblMemMapCmd
972 },
973 {
974 "cp",
975 " file1 file2; copy file",
976 NULL,
977 EblFileCopyCmd
978 },
979 {
980 "diff",
981 " file1 file2; compare files",
982 NULL,
983 EblFileDiffCmd
984 }
985 };
986
987
988 /**
989 Initialize the commands in this in this file
990 **/
991
992 VOID
993 EblInitializeDeviceCmd (
994 VOID
995 )
996 {
997 EfiGetSystemConfigurationTable (&gEfiDxeServicesTableGuid, (VOID **) &gDS);
998 EblAddCommands (mCmdDeviceTemplate, sizeof (mCmdDeviceTemplate)/sizeof (EBL_COMMAND_TABLE));
999 }
1000
EFI Development Kit II mirror for PVE