diff options
| -rw-r--r-- | OvmfPkg/Library/PlatformBdsLib/BdsPlatform.c | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/OvmfPkg/Library/PlatformBdsLib/BdsPlatform.c b/OvmfPkg/Library/PlatformBdsLib/BdsPlatform.c index 9faab8521e..c960c6cdbf 100644 --- a/OvmfPkg/Library/PlatformBdsLib/BdsPlatform.c +++ b/OvmfPkg/Library/PlatformBdsLib/BdsPlatform.c @@ -73,19 +73,6 @@ InstallDevicePathCallback ( VOID
);
-STATIC
-VOID
-LoadVideoRom (
- VOID
- );
-
-STATIC
-EFI_STATUS
-PciRomLoadEfiDriversFromRomImage (
- IN EFI_PHYSICAL_ADDRESS Rom,
- IN UINTN RomSize
- );
-
//
// BDS Platform Functions
//
@@ -111,7 +98,6 @@ Returns: {
DEBUG ((EFI_D_INFO, "PlatformBdsInit\n"));
InstallDevicePathCallback ();
- LoadVideoRom ();
}
@@ -1455,195 +1441,3 @@ LockKeyboards ( return EFI_UNSUPPORTED;
}
-
-STATIC
-VOID
-LoadVideoRom (
- VOID
- )
-{
- PCI_DATA_STRUCTURE *Pcir;
- UINTN RomSize;
-
- //
- // The virtual machines sometimes load the video rom image
- // directly at the legacy video BIOS location of C000:0000,
- // and do not implement the PCI expansion ROM feature.
- //
- Pcir = (PCI_DATA_STRUCTURE *) (UINTN) 0xc0000;
- RomSize = Pcir->ImageLength * 512;
- PciRomLoadEfiDriversFromRomImage (0xc0000, RomSize);
-}
-
-
-STATIC
-EFI_STATUS
-PciRomLoadEfiDriversFromRomImage (
- IN EFI_PHYSICAL_ADDRESS Rom,
- IN UINTN RomSize
- )
-{
- CHAR16 *FileName;
- EFI_PCI_EXPANSION_ROM_HEADER *EfiRomHeader;
- PCI_DATA_STRUCTURE *Pcir;
- UINTN ImageIndex;
- UINTN RomOffset;
- UINT32 ImageSize;
- UINT16 ImageOffset;
- EFI_HANDLE ImageHandle;
- EFI_STATUS Status;
- EFI_STATUS retStatus;
- EFI_DEVICE_PATH_PROTOCOL *FilePath;
- BOOLEAN SkipImage;
- UINT32 DestinationSize;
- UINT32 ScratchSize;
- UINT8 *Scratch;
- VOID *ImageBuffer;
- VOID *DecompressedImageBuffer;
- UINT32 ImageLength;
- EFI_DECOMPRESS_PROTOCOL *Decompress;
- UINT32 InitializationSize;
-
- FileName = L"PciRomInMemory";
-
- //FileName = L"PciRom Addr=0000000000000000";
- //HexToString (&FileName[12], Rom, 16);
-
- ImageIndex = 0;
- retStatus = EFI_NOT_FOUND;
- RomOffset = (UINTN) Rom;
-
- do {
-
- EfiRomHeader = (EFI_PCI_EXPANSION_ROM_HEADER *) (UINTN) RomOffset;
-
- if (EfiRomHeader->Signature != PCI_EXPANSION_ROM_HEADER_SIGNATURE) {
- return retStatus;
- }
-
- //
- // If the pointer to the PCI Data Structure is invalid, no further images can be located.
- // The PCI Data Structure must be DWORD aligned.
- //
- if (EfiRomHeader->PcirOffset == 0 ||
- (EfiRomHeader->PcirOffset & 3) != 0 ||
- RomOffset - (UINTN)Rom + EfiRomHeader->PcirOffset + sizeof (PCI_DATA_STRUCTURE) > RomSize) {
- break;
- }
- Pcir = (PCI_DATA_STRUCTURE *) (UINTN) (RomOffset + EfiRomHeader->PcirOffset);
- //
- // If a valid signature is not present in the PCI Data Structure, no further images can be located.
- //
- if (Pcir->Signature != PCI_DATA_STRUCTURE_SIGNATURE) {
- break;
- }
- ImageSize = Pcir->ImageLength * 512;
- if (RomOffset - (UINTN)Rom + ImageSize > RomSize) {
- break;
- }
-
- if ((Pcir->CodeType == PCI_CODE_TYPE_EFI_IMAGE) &&
- (EfiRomHeader->EfiSignature == EFI_PCI_EXPANSION_ROM_HEADER_EFISIGNATURE) &&
- ((EfiRomHeader->EfiSubsystem == EFI_IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER) ||
- (EfiRomHeader->EfiSubsystem == EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER))) {
-
- ImageOffset = EfiRomHeader->EfiImageHeaderOffset;
- InitializationSize = EfiRomHeader->InitializationSize * 512;
-
- if (InitializationSize <= ImageSize && ImageOffset < InitializationSize) {
-
- ImageBuffer = (VOID *) (UINTN) (RomOffset + ImageOffset);
- ImageLength = InitializationSize - ImageOffset;
- DecompressedImageBuffer = NULL;
-
- //
- // decompress here if needed
- //
- SkipImage = FALSE;
- if (EfiRomHeader->CompressionType > EFI_PCI_EXPANSION_ROM_HEADER_COMPRESSED) {
- SkipImage = TRUE;
- }
-
- if (EfiRomHeader->CompressionType == EFI_PCI_EXPANSION_ROM_HEADER_COMPRESSED) {
- Status = gBS->LocateProtocol (&gEfiDecompressProtocolGuid, NULL, (VOID **) &Decompress);
- if (EFI_ERROR (Status)) {
- SkipImage = TRUE;
- } else {
- SkipImage = TRUE;
- Status = Decompress->GetInfo (
- Decompress,
- ImageBuffer,
- ImageLength,
- &DestinationSize,
- &ScratchSize
- );
- if (!EFI_ERROR (Status)) {
- DecompressedImageBuffer = NULL;
- DecompressedImageBuffer = AllocatePool (DestinationSize);
- if (DecompressedImageBuffer != NULL) {
- Scratch = AllocatePool (ScratchSize);
- if (Scratch != NULL) {
- Status = Decompress->Decompress (
- Decompress,
- ImageBuffer,
- ImageLength,
- DecompressedImageBuffer,
- DestinationSize,
- Scratch,
- ScratchSize
- );
- if (!EFI_ERROR (Status)) {
- ImageBuffer = DecompressedImageBuffer;
- ImageLength = DestinationSize;
- SkipImage = FALSE;
- }
-
- gBS->FreePool (Scratch);
- }
- }
- }
- }
- }
-
- if (!SkipImage) {
-
- //
- // load image and start image
- //
-
- FilePath = FileDevicePath (NULL, FileName);
-
- Status = gBS->LoadImage (
- FALSE,
- gImageHandle,
- FilePath,
- ImageBuffer,
- ImageLength,
- &ImageHandle
- );
- if (!EFI_ERROR (Status)) {
- Status = gBS->StartImage (ImageHandle, NULL, NULL);
- if (!EFI_ERROR (Status)) {
- retStatus = Status;
- }
- }
- if (FilePath != NULL) {
- gBS->FreePool (FilePath);
- }
- }
-
- if (DecompressedImageBuffer != NULL) {
- gBS->FreePool (DecompressedImageBuffer);
- }
-
- }
- }
-
- RomOffset = RomOffset + ImageSize;
- ImageIndex++;
- } while (((Pcir->Indicator & 0x80) == 0x00) && ((RomOffset - (UINTN) Rom) < RomSize));
-
- return retStatus;
-}
-
-
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