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system76-edk2/MdeModulePkg/Application/CapsuleApp/CapsuleApp.c
Antoine Coeur 02d7b79771 MdeModulePkg/Application: Fix various typos 
Fix various typos in documentation, comments and debug strings.

Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Hao A Wu <hao.a.wu@intel.com>
Signed-off-by: Antoine Coeur <coeur@gmx.fr>
Reviewed-by: Philippe Mathieu-Daude <philmd@redhat.com>
Reviewed-by: Hao A Wu <hao.a.wu@intel.com>
Signed-off-by: Philippe Mathieu-Daude <philmd@redhat.com>
Message-Id: <20200207010831.9046-11-philmd@redhat.com>
2020-02-10 22:30:07 +00:00

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/** @file
A shell application that triggers capsule update process.
Copyright (c) 2016 - 2019, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "CapsuleApp.h"
//
// Define how many block descriptors we want to test with.
//
UINTN NumberOfDescriptors = 1;
UINTN CapsuleFirstIndex;
UINTN CapsuleLastIndex;
/**
Create UX capsule.
@retval EFI_SUCCESS The capsule header is appended.
@retval EFI_UNSUPPORTED Input parameter is not valid.
@retval EFI_OUT_OF_RESOURCES No enough resource to create UX capsule.
**/
EFI_STATUS
CreateBmpFmp (
VOID
)
{
CHAR16 *OutputCapsuleName;
VOID *BmpBuffer;
UINTN FileSize;
CHAR16 *BmpName;
UINT8 *FullCapsuleBuffer;
UINTN FullCapsuleBufferSize;
EFI_DISPLAY_CAPSULE *DisplayCapsule;
EFI_STATUS Status;
EFI_GRAPHICS_OUTPUT_PROTOCOL *Gop;
EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;
EFI_GRAPHICS_OUTPUT_BLT_PIXEL *GopBlt;
UINTN GopBltSize;
UINTN Height;
UINTN Width;
Status = gBS->LocateProtocol(&gEfiGraphicsOutputProtocolGuid, NULL, (VOID **)&Gop);
if (EFI_ERROR(Status)) {
Print(L"CapsuleApp: NO GOP is found.\n");
return EFI_UNSUPPORTED;
}
Info = Gop->Mode->Info;
Print(L"Current GOP: Mode - %d, ", Gop->Mode->Mode);
Print(L"HorizontalResolution - %d, ", Info->HorizontalResolution);
Print(L"VerticalResolution - %d\n", Info->VerticalResolution);
// HorizontalResolution >= BMP_IMAGE_HEADER.PixelWidth
// VerticalResolution >= BMP_IMAGE_HEADER.PixelHeight
if (Argc != 5) {
Print(L"CapsuleApp: Incorrect parameter count.\n");
return EFI_UNSUPPORTED;
}
if (StrCmp(Argv[3], L"-O") != 0) {
Print(L"CapsuleApp: NO output capsule name.\n");
return EFI_UNSUPPORTED;
}
OutputCapsuleName = Argv[4];
BmpBuffer = NULL;
FileSize = 0;
FullCapsuleBuffer = NULL;
BmpName = Argv[2];
Status = ReadFileToBuffer(BmpName, &FileSize, &BmpBuffer);
if (EFI_ERROR(Status)) {
Print(L"CapsuleApp: BMP image (%s) is not found.\n", BmpName);
goto Done;
}
GopBlt = NULL;
Status = TranslateBmpToGopBlt (
BmpBuffer,
FileSize,
&GopBlt,
&GopBltSize,
&Height,
&Width
);
if (EFI_ERROR(Status)) {
Print(L"CapsuleApp: BMP image (%s) is not valid.\n", BmpName);
goto Done;
}
if (GopBlt != NULL) {
FreePool (GopBlt);
}
Print(L"BMP image (%s), Width - %d, Height - %d\n", BmpName, Width, Height);
if (Height > Info->VerticalResolution) {
Status = EFI_INVALID_PARAMETER;
Print(L"CapsuleApp: BMP image (%s) height is larger than current resolution.\n", BmpName);
goto Done;
}
if (Width > Info->HorizontalResolution) {
Status = EFI_INVALID_PARAMETER;
Print(L"CapsuleApp: BMP image (%s) width is larger than current resolution.\n", BmpName);
goto Done;
}
FullCapsuleBufferSize = sizeof(EFI_DISPLAY_CAPSULE) + FileSize;
FullCapsuleBuffer = AllocatePool(FullCapsuleBufferSize);
if (FullCapsuleBuffer == NULL) {
Print(L"CapsuleApp: Capsule Buffer size (0x%x) too big.\n", FullCapsuleBufferSize);
Status = EFI_OUT_OF_RESOURCES;
goto Done;
}
DisplayCapsule = (EFI_DISPLAY_CAPSULE *)FullCapsuleBuffer;
CopyGuid(&DisplayCapsule->CapsuleHeader.CapsuleGuid, &gWindowsUxCapsuleGuid);
DisplayCapsule->CapsuleHeader.HeaderSize = sizeof(DisplayCapsule->CapsuleHeader);
DisplayCapsule->CapsuleHeader.Flags = CAPSULE_FLAGS_PERSIST_ACROSS_RESET;
DisplayCapsule->CapsuleHeader.CapsuleImageSize = (UINT32)FullCapsuleBufferSize;
DisplayCapsule->ImagePayload.Version = 1;
DisplayCapsule->ImagePayload.Checksum = 0;
DisplayCapsule->ImagePayload.ImageType = 0; // BMP
DisplayCapsule->ImagePayload.Reserved = 0;
DisplayCapsule->ImagePayload.Mode = Gop->Mode->Mode;
//
// Center the bitmap horizontally
//
DisplayCapsule->ImagePayload.OffsetX = (UINT32)((Info->HorizontalResolution - Width) / 2);
//
// Put bitmap 3/4 down the display. If bitmap is too tall, then align bottom
// of bitmap at bottom of display.
//
DisplayCapsule->ImagePayload.OffsetY =
MIN (
(UINT32)(Info->VerticalResolution - Height),
(UINT32)(((3 * Info->VerticalResolution) - (2 * Height)) / 4)
);
Print(L"BMP image (%s), OffsetX - %d, OffsetY - %d\n",
BmpName,
DisplayCapsule->ImagePayload.OffsetX,
DisplayCapsule->ImagePayload.OffsetY
);
CopyMem((DisplayCapsule + 1), BmpBuffer, FileSize);
DisplayCapsule->ImagePayload.Checksum = CalculateCheckSum8(FullCapsuleBuffer, FullCapsuleBufferSize);
Status = WriteFileFromBuffer(OutputCapsuleName, FullCapsuleBufferSize, FullCapsuleBuffer);
Print(L"CapsuleApp: Write %s %r\n", OutputCapsuleName, Status);
Done:
if (BmpBuffer != NULL) {
FreePool(BmpBuffer);
}
if (FullCapsuleBuffer != NULL) {
FreePool(FullCapsuleBuffer);
}
return Status;
}
/**
Get ImageTypeId in the FMP capsule header.
@param[in] CapsuleHeader The FMP capsule image header.
@return ImageTypeId
**/
EFI_GUID *
GetCapsuleImageTypeId (
IN EFI_CAPSULE_HEADER *CapsuleHeader
)
{
EFI_FIRMWARE_MANAGEMENT_CAPSULE_HEADER *FmpCapsuleHeader;
UINT64 *ItemOffsetList;
EFI_FIRMWARE_MANAGEMENT_CAPSULE_IMAGE_HEADER *ImageHeader;
FmpCapsuleHeader = (EFI_FIRMWARE_MANAGEMENT_CAPSULE_HEADER *)((UINT8 *)CapsuleHeader + CapsuleHeader->HeaderSize);
ItemOffsetList = (UINT64 *)(FmpCapsuleHeader + 1);
if (FmpCapsuleHeader->PayloadItemCount == 0) {
return NULL;
}
ImageHeader = (EFI_FIRMWARE_MANAGEMENT_CAPSULE_IMAGE_HEADER *)((UINT8 *)FmpCapsuleHeader + ItemOffsetList[FmpCapsuleHeader->EmbeddedDriverCount]);
return &ImageHeader->UpdateImageTypeId;
}
/**
Get ESRT FwType according to ImageTypeId
@param[in] ImageTypeId ImageTypeId of an FMP capsule.
@return ESRT FwType
**/
UINT32
GetEsrtFwType (
IN EFI_GUID *ImageTypeId
)
{
EFI_STATUS Status;
EFI_SYSTEM_RESOURCE_TABLE *Esrt;
EFI_SYSTEM_RESOURCE_ENTRY *EsrtEntry;
UINTN Index;
//
// Check ESRT
//
Status = EfiGetSystemConfigurationTable(&gEfiSystemResourceTableGuid, (VOID **)&Esrt);
if (!EFI_ERROR(Status)) {
ASSERT(Esrt != NULL);
EsrtEntry = (VOID *)(Esrt + 1);
for (Index = 0; Index < Esrt->FwResourceCount; Index++, EsrtEntry++) {
if (CompareGuid(&EsrtEntry->FwClass, ImageTypeId)) {
return EsrtEntry->FwType;
}
}
}
return ESRT_FW_TYPE_UNKNOWN;
}
/**
Validate if it is valid capsule header
This function assumes the caller provided correct CapsuleHeader pointer
and CapsuleSize.
This function validates the fields in EFI_CAPSULE_HEADER.
@param[in] CapsuleHeader Points to a capsule header.
@param[in] CapsuleSize Size of the whole capsule image.
**/
BOOLEAN
IsValidCapsuleHeader (
IN EFI_CAPSULE_HEADER *CapsuleHeader,
IN UINT64 CapsuleSize
)
{
if (CapsuleSize < sizeof (EFI_CAPSULE_HEADER)) {
return FALSE;
}
if (CapsuleHeader->CapsuleImageSize != CapsuleSize) {
return FALSE;
}
if (CapsuleHeader->HeaderSize > CapsuleHeader->CapsuleImageSize) {
return FALSE;
}
if (CapsuleHeader->HeaderSize < sizeof (EFI_CAPSULE_HEADER)) {
return FALSE;
}
return TRUE;
}
/**
Return if this CapsuleGuid is a FMP capsule GUID or not.
@param[in] CapsuleGuid A pointer to EFI_GUID
@retval TRUE It is a FMP capsule GUID.
@retval FALSE It is not a FMP capsule GUID.
**/
BOOLEAN
IsFmpCapsuleGuid (
IN EFI_GUID *CapsuleGuid
)
{
if (CompareGuid(&gEfiFmpCapsuleGuid, CapsuleGuid)) {
return TRUE;
}
return FALSE;
}
/**
Append a capsule header on top of current image.
This function follows Windows UEFI Firmware Update Platform document.
@retval EFI_SUCCESS The capsule header is appended.
@retval EFI_UNSUPPORTED Input parameter is not valid.
@retval EFI_OUT_OF_RESOURCES No enough resource to append capsule header.
**/
EFI_STATUS
CreateNestedFmp (
VOID
)
{
CHAR16 *OutputCapsuleName;
VOID *CapsuleBuffer;
UINTN FileSize;
CHAR16 *CapsuleName;
UINT8 *FullCapsuleBuffer;
UINTN FullCapsuleBufferSize;
EFI_CAPSULE_HEADER *NestedCapsuleHeader;
EFI_GUID *ImageTypeId;
UINT32 FwType;
EFI_STATUS Status;
if (Argc != 5) {
Print(L"CapsuleApp: Incorrect parameter count.\n");
return EFI_UNSUPPORTED;
}
if (StrCmp(Argv[3], L"-O") != 0) {
Print(L"CapsuleApp: NO output capsule name.\n");
return EFI_UNSUPPORTED;
}
OutputCapsuleName = Argv[4];
CapsuleBuffer = NULL;
FileSize = 0;
FullCapsuleBuffer = NULL;
CapsuleName = Argv[2];
Status = ReadFileToBuffer(CapsuleName, &FileSize, &CapsuleBuffer);
if (EFI_ERROR(Status)) {
Print(L"CapsuleApp: Capsule image (%s) is not found.\n", CapsuleName);
goto Done;
}
if (!IsValidCapsuleHeader (CapsuleBuffer, FileSize)) {
Print(L"CapsuleApp: Capsule image (%s) is not a valid capsule.\n", CapsuleName);
Status = EFI_INVALID_PARAMETER;
goto Done;
}
if (!IsFmpCapsuleGuid (&((EFI_CAPSULE_HEADER *) CapsuleBuffer)->CapsuleGuid)) {
Print(L"CapsuleApp: Capsule image (%s) is not a FMP capsule.\n", CapsuleName);
Status = EFI_INVALID_PARAMETER;
goto Done;
}
ImageTypeId = GetCapsuleImageTypeId(CapsuleBuffer);
if (ImageTypeId == NULL) {
Print(L"CapsuleApp: Capsule ImageTypeId is not found.\n");
Status = EFI_INVALID_PARAMETER;
goto Done;
}
FwType = GetEsrtFwType(ImageTypeId);
if ((FwType != ESRT_FW_TYPE_SYSTEMFIRMWARE) && (FwType != ESRT_FW_TYPE_DEVICEFIRMWARE)) {
Print(L"CapsuleApp: Capsule FwType is invalid.\n");
Status = EFI_INVALID_PARAMETER;
goto Done;
}
FullCapsuleBufferSize = NESTED_CAPSULE_HEADER_SIZE + FileSize;
FullCapsuleBuffer = AllocatePool(FullCapsuleBufferSize);
if (FullCapsuleBuffer == NULL) {
Print(L"CapsuleApp: Capsule Buffer size (0x%x) too big.\n", FullCapsuleBufferSize);
Status = EFI_OUT_OF_RESOURCES;
goto Done;
}
NestedCapsuleHeader = (EFI_CAPSULE_HEADER *)FullCapsuleBuffer;
ZeroMem(NestedCapsuleHeader, NESTED_CAPSULE_HEADER_SIZE);
CopyGuid(&NestedCapsuleHeader->CapsuleGuid, ImageTypeId);
NestedCapsuleHeader->HeaderSize = NESTED_CAPSULE_HEADER_SIZE;
NestedCapsuleHeader->Flags = (FwType == ESRT_FW_TYPE_SYSTEMFIRMWARE) ? SYSTEM_FIRMWARE_FLAG : DEVICE_FIRMWARE_FLAG;
NestedCapsuleHeader->CapsuleImageSize = (UINT32)FullCapsuleBufferSize;
CopyMem((UINT8 *)NestedCapsuleHeader + NestedCapsuleHeader->HeaderSize, CapsuleBuffer, FileSize);
Status = WriteFileFromBuffer(OutputCapsuleName, FullCapsuleBufferSize, FullCapsuleBuffer);
Print(L"CapsuleApp: Write %s %r\n", OutputCapsuleName, Status);
Done:
if (CapsuleBuffer != NULL) {
FreePool(CapsuleBuffer);
}
if (FullCapsuleBuffer != NULL) {
FreePool(FullCapsuleBuffer);
}
return Status;
}
/**
Clear capsule status variable.
@retval EFI_SUCCESS The capsule status variable is cleared.
**/
EFI_STATUS
ClearCapsuleStatusVariable (
VOID
)
{
EFI_STATUS Status;
UINT32 Index;
CHAR16 CapsuleVarName[20];
CHAR16 *TempVarName;
BOOLEAN Found;
StrCpyS (CapsuleVarName, sizeof(CapsuleVarName)/sizeof(CapsuleVarName[0]), L"Capsule");
TempVarName = CapsuleVarName + StrLen (CapsuleVarName);
Index = 0;
Found = FALSE;
while (TRUE) {
UnicodeSPrint (TempVarName, 5 * sizeof(CHAR16), L"%04x", Index);
Status = gRT->SetVariable (
CapsuleVarName,
&gEfiCapsuleReportGuid,
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS,
0,
(VOID *)NULL
);
if (Status == EFI_NOT_FOUND) {
//
// There is no more capsule variables, quit
//
break;
}
Found = TRUE;
Print (L"Clear %s %r\n", CapsuleVarName, Status);
Index++;
if (Index > 0xFFFF) {
break;
}
}
if (!Found) {
Print (L"No any Capsule#### variable found\n");
}
return EFI_SUCCESS;
}
/**
Build Gather list for a list of capsule images.
@param[in] CapsuleBuffer An array of pointer to capsule images
@param[in] FileSize An array of UINTN to capsule images size
@param[in] CapsuleNum The count of capsule images
@param[out] BlockDescriptors The block descriptors for the capsule images
@retval EFI_SUCCESS The block descriptors for the capsule images are constructed.
**/
EFI_STATUS
BuildGatherList (
IN VOID **CapsuleBuffer,
IN UINTN *FileSize,
IN UINTN CapsuleNum,
OUT EFI_CAPSULE_BLOCK_DESCRIPTOR **BlockDescriptors
)
{
EFI_STATUS Status;
EFI_CAPSULE_BLOCK_DESCRIPTOR *BlockDescriptors1;
EFI_CAPSULE_BLOCK_DESCRIPTOR *BlockDescriptors2;
EFI_CAPSULE_BLOCK_DESCRIPTOR *BlockDescriptorPre;
EFI_CAPSULE_BLOCK_DESCRIPTOR *BlockDescriptorsHeader;
EFI_CAPSULE_BLOCK_DESCRIPTOR *TempBlockPtr;
UINT8 *TempDataPtr;
UINTN SizeLeft;
UINTN Size;
INT32 Count;
INT32 Number;
UINTN Index;
TempBlockPtr = NULL;
BlockDescriptors1 = NULL;
BlockDescriptors2 = NULL;
BlockDescriptorPre = NULL;
BlockDescriptorsHeader = NULL;
for (Index = 0; Index < CapsuleNum; Index++) {
//
// Allocate memory for the descriptors.
//
if (NumberOfDescriptors == 1) {
Count = 2;
} else {
Count = (INT32)(NumberOfDescriptors + 2) / 2;
}
Size = Count * sizeof (EFI_CAPSULE_BLOCK_DESCRIPTOR);
BlockDescriptors1 = AllocateRuntimeZeroPool (Size);
if (BlockDescriptors1 == NULL) {
Print (L"CapsuleApp: failed to allocate memory for descriptors\n");
Status = EFI_OUT_OF_RESOURCES;
goto ERREXIT;
} else {
Print (L"CapsuleApp: creating capsule descriptors at 0x%X\n", (UINTN) BlockDescriptors1);
Print (L"CapsuleApp: capsule data starts at 0x%X with size 0x%X\n", (UINTN) CapsuleBuffer[Index], FileSize[Index]);
}
//
// Record descriptor header
//
if (Index == 0) {
BlockDescriptorsHeader = BlockDescriptors1;
}
if (BlockDescriptorPre != NULL) {
BlockDescriptorPre->Union.ContinuationPointer = (UINTN) BlockDescriptors1;
BlockDescriptorPre->Length = 0;
}
//
// Fill them in
//
TempBlockPtr = BlockDescriptors1;
TempDataPtr = CapsuleBuffer[Index];
SizeLeft = FileSize[Index];
for (Number = 0; (Number < Count - 1) && (SizeLeft != 0); Number++) {
//
// Divide remaining data in half
//
if (NumberOfDescriptors != 1) {
if (SizeLeft == 1) {
Size = 1;
} else {
Size = SizeLeft / 2;
}
} else {
Size = SizeLeft;
}
TempBlockPtr->Union.DataBlock = (UINTN)TempDataPtr;
TempBlockPtr->Length = Size;
Print (L"CapsuleApp: capsule block/size 0x%X/0x%X\n", (UINTN) TempDataPtr, Size);
SizeLeft -= Size;
TempDataPtr += Size;
TempBlockPtr++;
}
//
// Allocate the second list, point the first block's last entry to point
// to this one, and fill this one in. Worst case is that the previous
// list only had one element that pointed here, so we need at least two
// elements -- one to point to all the data, another to terminate the list.
//
if ((NumberOfDescriptors != 1) && (SizeLeft != 0)) {
Count = (INT32)(NumberOfDescriptors + 2) - Count;
if (Count == 1) {
Count++;
}
Size = Count * sizeof (EFI_CAPSULE_BLOCK_DESCRIPTOR);
BlockDescriptors2 = AllocateRuntimeZeroPool (Size);
if (BlockDescriptors2 == NULL) {
Print (L"CapsuleApp: failed to allocate memory for descriptors\n");
Status = EFI_OUT_OF_RESOURCES;
goto ERREXIT;
}
//
// Point the first list's last element to point to this second list.
//
TempBlockPtr->Union.ContinuationPointer = (UINTN) BlockDescriptors2;
TempBlockPtr->Length = 0;
TempBlockPtr = BlockDescriptors2;
for (Number = 0; Number < Count - 1; Number++) {
//
// If second-to-last one, then dump rest to this element
//
if (Number == (Count - 2)) {
Size = SizeLeft;
} else {
//
// Divide remaining data in half
//
if (SizeLeft == 1) {
Size = 1;
} else {
Size = SizeLeft / 2;
}
}
TempBlockPtr->Union.DataBlock = (UINTN)TempDataPtr;
TempBlockPtr->Length = Size;
Print (L"CapsuleApp: capsule block/size 0x%X/0x%X\n", (UINTN) TempDataPtr, Size);
SizeLeft -= Size;
TempDataPtr += Size;
TempBlockPtr++;
if (SizeLeft == 0) {
break;
}
}
}
BlockDescriptorPre = TempBlockPtr;
BlockDescriptors1 = NULL;
}
//
// Null-terminate.
//
if (TempBlockPtr != NULL) {
TempBlockPtr->Union.ContinuationPointer = (UINTN)NULL;
TempBlockPtr->Length = 0;
*BlockDescriptors = BlockDescriptorsHeader;
}
return EFI_SUCCESS;
ERREXIT:
if (BlockDescriptors1 != NULL) {
FreePool(BlockDescriptors1);
}
if (BlockDescriptors2 != NULL) {
FreePool(BlockDescriptors2);
}
return Status;
}
/**
Clear the Gather list for a list of capsule images.
@param[in] BlockDescriptors The block descriptors for the capsule images
@param[in] CapsuleNum The count of capsule images
**/
VOID
CleanGatherList (
IN EFI_CAPSULE_BLOCK_DESCRIPTOR *BlockDescriptors,
IN UINTN CapsuleNum
)
{
EFI_CAPSULE_BLOCK_DESCRIPTOR *TempBlockPtr;
EFI_CAPSULE_BLOCK_DESCRIPTOR *TempBlockPtr1;
EFI_CAPSULE_BLOCK_DESCRIPTOR *TempBlockPtr2;
UINTN Index;
if (BlockDescriptors != NULL) {
TempBlockPtr1 = BlockDescriptors;
while (1){
TempBlockPtr = TempBlockPtr1;
for (Index = 0; Index < CapsuleNum; Index++) {
if (TempBlockPtr[Index].Length == 0) {
break;
}
}
if (TempBlockPtr[Index].Union.ContinuationPointer == (UINTN)NULL) {
break;
}
TempBlockPtr2 = (VOID *) ((UINTN) TempBlockPtr[Index].Union.ContinuationPointer);
FreePool(TempBlockPtr1);
TempBlockPtr1 = TempBlockPtr2;
}
}
}
/**
Print APP usage.
**/
VOID
PrintUsage (
VOID
)
{
Print(L"CapsuleApp: usage\n");
Print(L" CapsuleApp <Capsule...> [-NR] [-OD [FSx]]\n");
Print(L" CapsuleApp -S\n");
Print(L" CapsuleApp -C\n");
Print(L" CapsuleApp -P\n");
Print(L" CapsuleApp -E\n");
Print(L" CapsuleApp -L\n");
Print(L" CapsuleApp -L INFO\n");
Print(L" CapsuleApp -F\n");
Print(L" CapsuleApp -G <BMP> -O <Capsule>\n");
Print(L" CapsuleApp -N <Capsule> -O <NestedCapsule>\n");
Print(L" CapsuleApp -D <Capsule>\n");
Print(L" CapsuleApp -P GET <ImageTypeId> <Index> -O <FileName>\n");
Print(L"Parameter:\n");
Print(L" -NR: No reset will be triggered for the capsule\n");
Print(L" with CAPSULE_FLAGS_PERSIST_ACROSS_RESET and without CAPSULE_FLAGS_INITIATE_RESET.\n");
Print(L" -OD: Delivery of Capsules via file on Mass Storage device.\n");
Print(L" -S: Dump capsule report variable (EFI_CAPSULE_REPORT_GUID),\n");
Print(L" which is defined in UEFI specification.\n");
Print(L" -C: Clear capsule report variable (EFI_CAPSULE_REPORT_GUID),\n");
Print(L" which is defined in UEFI specification.\n");
Print(L" -P: Dump UEFI FMP protocol info, or get image with specified\n");
Print(L" ImageTypeId and Index (decimal format) to a file if 'GET'\n");
Print(L" option is used.\n");
Print(L" -E: Dump UEFI ESRT table info.\n");
Print(L" -L: Dump provisioned capsule image information.\n");
Print(L" -F: Dump all EFI System Partition.\n");
Print(L" -G: Convert a BMP file to be an UX capsule,\n");
Print(L" according to Windows Firmware Update document\n");
Print(L" -N: Append a Capsule Header to an existing FMP capsule image\n");
Print(L" with its ImageTypeId supported by the system,\n");
Print(L" according to Windows Firmware Update document\n");
Print(L" -O: Output new Capsule file name\n");
Print(L" -D: Dump Capsule image header information, image payload\n");
Print(L" information if it is an UX capsule and FMP header\n");
Print(L" information if it is a FMP capsule.\n");
}
/**
Update Capsule image.
@param[in] ImageHandle The image handle.
@param[in] SystemTable The system table.
@retval EFI_SUCCESS Command completed successfully.
@retval EFI_UNSUPPORTED Command usage unsupported.
@retval EFI_INVALID_PARAMETER Command usage invalid.
@retval EFI_NOT_FOUND The input file can't be found.
**/
EFI_STATUS
EFIAPI
UefiMain (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
RETURN_STATUS RStatus;
UINTN CapsuleBufferSize[MAX_CAPSULE_NUM];
VOID *CapsuleBuffer[MAX_CAPSULE_NUM];
EFI_CAPSULE_BLOCK_DESCRIPTOR *BlockDescriptors;
EFI_CAPSULE_HEADER *CapsuleHeaderArray[MAX_CAPSULE_NUM + 1];
UINT64 MaxCapsuleSize;
EFI_RESET_TYPE ResetType;
BOOLEAN NeedReset;
BOOLEAN NoReset;
BOOLEAN CapsuleOnDisk;
CHAR16 *CapsuleName;
CHAR16 *CapsuleNames[MAX_CAPSULE_NUM];
CHAR16 *MapFsStr;
UINTN CapsuleNum;
UINTN Index;
UINTN ParaOdIndex;
UINTN ParaNrIndex;
EFI_GUID ImageTypeId;
UINTN ImageIndex;
BlockDescriptors = NULL;
MapFsStr = NULL;
CapsuleNum = 0;
Status = GetArg();
if (EFI_ERROR(Status)) {
Print(L"Please use UEFI SHELL to run this application!\n", Status);
return Status;
}
if (Argc < 2) {
PrintUsage();
return EFI_UNSUPPORTED;
}
if (StrCmp(Argv[1], L"-D") == 0) {
if (Argc != 3) {
Print(L"CapsuleApp: Incorrect parameter count.\n");
return EFI_UNSUPPORTED;
}
Status = DumpCapsule(Argv[2]);
return Status;
}
if (StrCmp(Argv[1], L"-G") == 0) {
Status = CreateBmpFmp();
return Status;
}
if (StrCmp(Argv[1], L"-N") == 0) {
Status = CreateNestedFmp();
return Status;
}
if (StrCmp(Argv[1], L"-S") == 0) {
Status = DumpCapsuleStatusVariable();
return EFI_SUCCESS;
}
if (StrCmp(Argv[1], L"-C") == 0) {
Status = ClearCapsuleStatusVariable();
return Status;
}
if (StrCmp(Argv[1], L"-P") == 0) {
if (Argc == 2) {
DumpFmpData();
}
if (Argc >= 3) {
if (StrCmp(Argv[2], L"GET") != 0) {
Print(L"CapsuleApp: Unrecognized option(%s).\n", Argv[2]);
return EFI_UNSUPPORTED;
} else {
if (Argc != 7) {
Print(L"CapsuleApp: Incorrect parameter count.\n");
return EFI_UNSUPPORTED;
}
//
// FMP->GetImage()
//
RStatus = StrToGuid (Argv[3], &ImageTypeId);
if (RETURN_ERROR (RStatus) || (Argv[3][GUID_STRING_LENGTH] != L'\0')) {
Print (L"Invalid ImageTypeId - %s\n", Argv[3]);
return EFI_INVALID_PARAMETER;
}
ImageIndex = StrDecimalToUintn(Argv[4]);
if (StrCmp(Argv[5], L"-O") != 0) {
Print(L"CapsuleApp: NO output file name.\n");
return EFI_UNSUPPORTED;
}
DumpFmpImage(&ImageTypeId, ImageIndex, Argv[6]);
}
}
return EFI_SUCCESS;
}
if (StrCmp(Argv[1], L"-E") == 0) {
DumpEsrtData();
return EFI_SUCCESS;
}
if (StrCmp(Argv[1], L"-L") == 0) {
if (Argc >= 3 && StrCmp(Argv[2], L"INFO") == 0) {
DumpProvisionedCapsule(TRUE);
} else {
DumpProvisionedCapsule(FALSE);
}
return EFI_SUCCESS;
}
if (StrCmp(Argv[1], L"-F") == 0) {
DumpAllEfiSysPartition();
return EFI_SUCCESS;
}
if (Argv[1][0] == L'-') {
Print(L"CapsuleApp: Unrecognized option(%s).\n", Argv[1]);
return EFI_UNSUPPORTED;
}
CapsuleFirstIndex = 1;
NoReset = FALSE;
CapsuleOnDisk = FALSE;
ParaOdIndex = 0;
ParaNrIndex = 0;
for (Index = 1; Index < Argc; Index++) {
if (StrCmp(Argv[Index], L"-OD") == 0) {
ParaOdIndex = Index;
CapsuleOnDisk = TRUE;
} else if (StrCmp(Argv[Index], L"-NR") == 0) {
ParaNrIndex = Index;
NoReset = TRUE;
}
}
if (ParaOdIndex > ParaNrIndex) {
if (ParaNrIndex != 0) {
CapsuleLastIndex = ParaNrIndex - 1;
} else {
CapsuleLastIndex = ParaOdIndex - 1;
}
if (ParaOdIndex == Argc -1) {
MapFsStr = NULL;
} else if (ParaOdIndex == Argc - 2) {
MapFsStr = Argv[Argc-1];
} else {
Print (L"CapsuleApp: Cannot specify more than one FS mapping!\n");
Status = EFI_INVALID_PARAMETER;
goto Done;
}
} else if (ParaOdIndex < ParaNrIndex) {
if (ParaOdIndex != 0) {
CapsuleLastIndex = ParaOdIndex - 1;
if (ParaOdIndex == ParaNrIndex - 1) {
MapFsStr = NULL;
} else if (ParaOdIndex == ParaNrIndex - 2) {
MapFsStr = Argv[ParaOdIndex + 1];
} else {
Print (L"CapsuleApp: Cannot specify more than one FS mapping!\n");
Status = EFI_INVALID_PARAMETER;
goto Done;
}
} else {
CapsuleLastIndex = ParaNrIndex - 1;
}
} else {
CapsuleLastIndex = Argc - 1;
}
CapsuleNum = CapsuleLastIndex - CapsuleFirstIndex + 1;
if (CapsuleFirstIndex > CapsuleLastIndex) {
Print(L"CapsuleApp: NO capsule image.\n");
return EFI_UNSUPPORTED;
}
if (CapsuleNum > MAX_CAPSULE_NUM) {
Print(L"CapsuleApp: Too many capsule images.\n");
return EFI_UNSUPPORTED;
}
ZeroMem(&CapsuleBuffer, sizeof(CapsuleBuffer));
ZeroMem(&CapsuleBufferSize, sizeof(CapsuleBufferSize));
BlockDescriptors = NULL;
for (Index = 0; Index < CapsuleNum; Index++) {
CapsuleName = Argv[CapsuleFirstIndex + Index];
Status = ReadFileToBuffer(CapsuleName, &CapsuleBufferSize[Index], &CapsuleBuffer[Index]);
if (EFI_ERROR(Status)) {
Print(L"CapsuleApp: capsule image (%s) is not found.\n", CapsuleName);
goto Done;
}
if (!IsValidCapsuleHeader (CapsuleBuffer[Index], CapsuleBufferSize[Index])) {
Print(L"CapsuleApp: Capsule image (%s) is not a valid capsule.\n", CapsuleName);
return EFI_INVALID_PARAMETER;
}
CapsuleNames[Index] = CapsuleName;
}
//
// Every capsule use 2 descriptor 1 for data 1 for end
//
Status = BuildGatherList(CapsuleBuffer, CapsuleBufferSize, CapsuleNum, &BlockDescriptors);
if (EFI_ERROR(Status)) {
goto Done;
}
//
// Call the runtime service capsule.
//
NeedReset = FALSE;
for (Index = 0; Index < CapsuleNum; Index++) {
CapsuleHeaderArray[Index] = (EFI_CAPSULE_HEADER *) CapsuleBuffer[Index];
if ((CapsuleHeaderArray[Index]->Flags & CAPSULE_FLAGS_PERSIST_ACROSS_RESET) != 0) {
NeedReset = TRUE;
}
}
CapsuleHeaderArray[CapsuleNum] = NULL;
//
// Inquire platform capability of UpdateCapsule.
//
Status = gRT->QueryCapsuleCapabilities (CapsuleHeaderArray, CapsuleNum, &MaxCapsuleSize, &ResetType);
if (EFI_ERROR(Status)) {
Print (L"CapsuleApp: failed to query capsule capability - %r\n", Status);
goto Done;
}
for (Index = 0; Index < CapsuleNum; Index++) {
if (CapsuleBufferSize[Index] > MaxCapsuleSize) {
Print (L"CapsuleApp: capsule is too large to update, %ld is allowed\n", MaxCapsuleSize);
Status = EFI_UNSUPPORTED;
goto Done;
}
}
//
// Check whether is capsule on disk.
//
if (CapsuleOnDisk) {
Status = ProcessCapsuleOnDisk (CapsuleBuffer, CapsuleBufferSize, CapsuleNames, MapFsStr, CapsuleNum);
if (Status != EFI_SUCCESS) {
Print (L"CapsuleApp: failed to update capsule - %r\n", Status);
goto Done;
} else {
if (!NoReset) {
gRT->ResetSystem (ResetType, EFI_SUCCESS, 0, NULL);
} else {
goto Done;
}
}
}
//
// Check whether the input capsule image has the flag of persist across system reset.
//
if (NeedReset) {
Status = gRT->UpdateCapsule(CapsuleHeaderArray,CapsuleNum,(UINTN) BlockDescriptors);
if (Status != EFI_SUCCESS) {
Print (L"CapsuleApp: failed to update capsule - %r\n", Status);
goto Done;
}
//
// For capsule with CAPSULE_FLAGS_PERSIST_ACROSS_RESET + CAPSULE_FLAGS_INITIATE_RESET,
// a system reset should have been triggered by gRT->UpdateCapsule() calling above.
//
// For capsule with CAPSULE_FLAGS_PERSIST_ACROSS_RESET and without CAPSULE_FLAGS_INITIATE_RESET,
// check if -NR (no-reset) has been specified or not.
//
if (!NoReset) {
//
// For capsule who has reset flag and no -NR (no-reset) has been specified, after calling UpdateCapsule service,
// trigger a system reset to process capsule persist across a system reset.
//
gRT->ResetSystem (ResetType, EFI_SUCCESS, 0, NULL);
}
} else {
//
// For capsule who has no reset flag, only call UpdateCapsule Service without a
// system reset. The service will process the capsule immediately.
//
Status = gRT->UpdateCapsule (CapsuleHeaderArray,CapsuleNum,(UINTN) BlockDescriptors);
if (Status != EFI_SUCCESS) {
Print (L"CapsuleApp: failed to update capsule - %r\n", Status);
}
}
Status = EFI_SUCCESS;
Done:
for (Index = 0; Index < CapsuleNum; Index++) {
if (CapsuleBuffer[Index] != NULL) {
FreePool (CapsuleBuffer[Index]);
}
}
CleanGatherList(BlockDescriptors, CapsuleNum);
return Status;
}
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