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audk/ShellPkg/Library/UefiShellDebug1CommandsLib/LoadPciRom.c

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/** @file
Main file for LoadPciRom shell Debug1 function.
(C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
Copyright (c) 2005 - 2019, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "UefiShellDebug1CommandsLib.h"
#include <IndustryStandard/Pci22.h>
#include <IndustryStandard/Pci23.h>
#include <IndustryStandard/PeImage.h>
#include <Protocol/Decompress.h>
/**
Connects all available drives and controllers.
@retval EFI_SUCCESS The operation was successful.
@retval EFI_ABORTED The abort mechanism was received.
**/
EFI_STATUS
LoadPciRomConnectAllDriversToAllControllers (
VOID
);
/**
Command entry point.
@param[in] RomBar The Rom Base address.
@param[in] RomSize The Rom size.
@param[in] FileName The file name.
@retval EFI_SUCCESS The command completed successfully.
@retval EFI_INVALID_PARAMETER Command usage error.
@retval EFI_UNSUPPORTED Protocols unsupported.
@retval EFI_OUT_OF_RESOURCES Out of memory.
@retval Other value Unknown error.
**/
EFI_STATUS
LoadEfiDriversFromRomImage (
VOID *RomBar,
UINTN RomSize,
CONST CHAR16 *FileName
);
STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
{L"-nc", TypeFlag},
{NULL, TypeMax}
};
/**
Function for 'loadpcirom' command.
@param[in] ImageHandle Handle to the Image (NULL if Internal).
@param[in] SystemTable Pointer to the System Table (NULL if Internal).
**/
SHELL_STATUS
EFIAPI
ShellCommandRunLoadPciRom (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_SHELL_FILE_INFO *FileList;
UINTN SourceSize;
UINT8 *File1Buffer;
EFI_STATUS Status;
LIST_ENTRY *Package;
CHAR16 *ProblemParam;
SHELL_STATUS ShellStatus;
BOOLEAN Connect;
CONST CHAR16 *Param;
UINTN ParamCount;
EFI_SHELL_FILE_INFO *Node;
//
// Local variable initializations
//
File1Buffer = NULL;
ShellStatus = SHELL_SUCCESS;
FileList = NULL;
//
// verify number of arguments
//
Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);
if (EFI_ERROR(Status)) {
if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, L"loadpcirom", ProblemParam);
FreePool(ProblemParam);
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
ASSERT(FALSE);
}
} else {
if (ShellCommandLineGetCount(Package) < 2) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle, L"loadpcirom");
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
if (ShellCommandLineGetFlag(Package, L"-nc")) {
Connect = FALSE;
} else {
Connect = TRUE;
}
//
// get a list with each file specified by parameters
// if parameter is a directory then add all the files below it to the list
//
for ( ParamCount = 1, Param = ShellCommandLineGetRawValue(Package, ParamCount)
; Param != NULL
; ParamCount++, Param = ShellCommandLineGetRawValue(Package, ParamCount)
){
Status = ShellOpenFileMetaArg((CHAR16*)Param, EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ, &FileList);
if (EFI_ERROR(Status)) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellDebug1HiiHandle, L"loadpcirom", Param);
ShellStatus = SHELL_ACCESS_DENIED;
break;
}
}
if (ShellStatus == SHELL_SUCCESS && FileList != NULL) {
//
// loop through the list and make sure we are not aborting...
//
for ( Node = (EFI_SHELL_FILE_INFO*)GetFirstNode(&FileList->Link)
; !IsNull(&FileList->Link, &Node->Link) && !ShellGetExecutionBreakFlag()
; Node = (EFI_SHELL_FILE_INFO*)GetNextNode(&FileList->Link, &Node->Link)
){
if (EFI_ERROR(Node->Status)){
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellDebug1HiiHandle, L"loadpcirom", Node->FullName);
ShellStatus = SHELL_INVALID_PARAMETER;
continue;
}
if (FileHandleIsDirectory(Node->Handle) == EFI_SUCCESS) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_NOT_DIR), gShellDebug1HiiHandle, L"loadpcirom", Node->FullName);
ShellStatus = SHELL_INVALID_PARAMETER;
continue;
}
SourceSize = (UINTN) Node->Info->FileSize;
File1Buffer = AllocateZeroPool (SourceSize);
if (File1Buffer == NULL) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_OUT_MEM), gShellDebug1HiiHandle, L"loadpcirom");
ShellStatus = SHELL_OUT_OF_RESOURCES;
continue;
}
Status = gEfiShellProtocol->ReadFile(Node->Handle, &SourceSize, File1Buffer);
if (EFI_ERROR(Status)) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_READ_FAIL), gShellDebug1HiiHandle, L"loadpcirom", Node->FullName);
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
Status = LoadEfiDriversFromRomImage (
File1Buffer,
SourceSize,
Node->FullName
);
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_LOAD_PCI_ROM_RES), gShellDebug1HiiHandle, Node->FullName, Status);
}
FreePool(File1Buffer);
}
} else if (ShellStatus == SHELL_SUCCESS) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_NOT_SPEC), gShellDebug1HiiHandle, "loadpcirom");
ShellStatus = SHELL_NOT_FOUND;
}
if (FileList != NULL && !IsListEmpty(&FileList->Link)) {
Status = ShellCloseFileMetaArg(&FileList);
}
FileList = NULL;
if (Connect) {
Status = LoadPciRomConnectAllDriversToAllControllers ();
}
}
}
return (ShellStatus);
}
/**
Command entry point.
@param[in] RomBar The Rom Base address.
@param[in] RomSize The Rom size.
@param[in] FileName The file name.
@retval EFI_SUCCESS The command completed successfully.
@retval EFI_INVALID_PARAMETER Command usage error.
@retval EFI_UNSUPPORTED Protocols unsupported.
@retval EFI_OUT_OF_RESOURCES Out of memory.
@retval Other value Unknown error.
**/
EFI_STATUS
LoadEfiDriversFromRomImage (
VOID *RomBar,
UINTN RomSize,
CONST CHAR16 *FileName
)
{
EFI_PCI_EXPANSION_ROM_HEADER *EfiRomHeader;
PCI_DATA_STRUCTURE *Pcir;
UINTN ImageIndex;
UINTN RomBarOffset;
UINT32 ImageSize;
UINT16 ImageOffset;
EFI_HANDLE ImageHandle;
EFI_STATUS Status;
EFI_STATUS ReturnStatus;
CHAR16 RomFileName[280];
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;
ImageIndex = 0;
ReturnStatus = EFI_NOT_FOUND;
RomBarOffset = (UINTN) RomBar;
do {
EfiRomHeader = (EFI_PCI_EXPANSION_ROM_HEADER *) (UINTN) RomBarOffset;
if (EfiRomHeader->Signature != PCI_EXPANSION_ROM_HEADER_SIGNATURE) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_LOADPCIROM_CORRUPT), gShellDebug1HiiHandle, L"loadpcirom", FileName, ImageIndex);
// PrintToken (STRING_TOKEN (STR_LOADPCIROM_IMAGE_CORRUPT), HiiHandle, ImageIndex);
return ReturnStatus;
}
//
// 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 ||
RomBarOffset - (UINTN)RomBar + EfiRomHeader->PcirOffset + sizeof (PCI_DATA_STRUCTURE) > RomSize) {
break;
}
Pcir = (PCI_DATA_STRUCTURE *) (UINTN) (RomBarOffset + 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 (RomBarOffset - (UINTN)RomBar + 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) (RomBarOffset + 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);
ASSERT_EFI_ERROR(Status);
if (EFI_ERROR (Status)) {
SkipImage = TRUE;
} else {
SkipImage = TRUE;
Status = Decompress->GetInfo (
Decompress,
ImageBuffer,
ImageLength,
&DestinationSize,
&ScratchSize
);
if (!EFI_ERROR (Status)) {
DecompressedImageBuffer = AllocateZeroPool (DestinationSize);
if (ImageBuffer != NULL) {
Scratch = AllocateZeroPool (ScratchSize);
if (Scratch != NULL) {
Status = Decompress->Decompress (
Decompress,
ImageBuffer,
ImageLength,
DecompressedImageBuffer,
DestinationSize,
Scratch,
ScratchSize
);
if (!EFI_ERROR (Status)) {
ImageBuffer = DecompressedImageBuffer;
ImageLength = DestinationSize;
SkipImage = FALSE;
}
FreePool (Scratch);
}
}
}
}
}
if (!SkipImage) {
//
// load image and start image
//
UnicodeSPrint (RomFileName, sizeof (RomFileName), L"%s[%d]", FileName, ImageIndex);
FilePath = FileDevicePath (NULL, RomFileName);
Status = gBS->LoadImage (
TRUE,
gImageHandle,
FilePath,
ImageBuffer,
ImageLength,
&ImageHandle
);
if (EFI_ERROR (Status)) {
//
// With EFI_SECURITY_VIOLATION retval, the Image was loaded and an ImageHandle was created
// with a valid EFI_LOADED_IMAGE_PROTOCOL, but the image can not be started right now.
// If the caller doesn't have the option to defer the execution of an image, we should
// unload image for the EFI_SECURITY_VIOLATION to avoid resource leak.
//
if (Status == EFI_SECURITY_VIOLATION) {
gBS->UnloadImage (ImageHandle);
}
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_LOADPCIROM_LOAD_FAIL), gShellDebug1HiiHandle, L"loadpcirom", FileName, ImageIndex);
// PrintToken (STRING_TOKEN (STR_LOADPCIROM_LOAD_IMAGE_ERROR), HiiHandle, ImageIndex, Status);
} else {
Status = gBS->StartImage (ImageHandle, NULL, NULL);
if (EFI_ERROR (Status)) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_LOADPCIROM_START_FAIL), gShellDebug1HiiHandle, L"loadpcirom", FileName, ImageIndex);
// PrintToken (STRING_TOKEN (STR_LOADPCIROM_START_IMAGE), HiiHandle, ImageIndex, Status);
} else {
ReturnStatus = Status;
}
}
}
if (DecompressedImageBuffer != NULL) {
FreePool (DecompressedImageBuffer);
}
}
}
RomBarOffset = RomBarOffset + ImageSize;
ImageIndex++;
} while (((Pcir->Indicator & 0x80) == 0x00) && ((RomBarOffset - (UINTN) RomBar) < RomSize));
return ReturnStatus;
}
/**
Connects all available drives and controllers.
@retval EFI_SUCCESS The operation was successful.
@retval EFI_ABORTED The abort mechanism was received.
**/
EFI_STATUS
LoadPciRomConnectAllDriversToAllControllers (
VOID
)
{
EFI_STATUS Status;
UINTN HandleCount;
EFI_HANDLE *HandleBuffer;
UINTN Index;
Status = gBS->LocateHandleBuffer (
AllHandles,
NULL,
NULL,
&HandleCount,
&HandleBuffer
);
if (EFI_ERROR (Status)) {
return Status;
}
for (Index = 0; Index < HandleCount; Index++) {
if (ShellGetExecutionBreakFlag ()) {
Status = EFI_ABORTED;
break;
}
gBS->ConnectController (HandleBuffer[Index], NULL, NULL, TRUE);
}
if (HandleBuffer != NULL) {
FreePool (HandleBuffer);
}
return Status;
}
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