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GenFvInternalLib.c
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GenFvInternalLib.c
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/** @file
This file contains the internal functions required to generate a Firmware Volume.
Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
Portions Copyright (c) 2011 - 2013, ARM Ltd. All rights reserved.<BR>
Portions Copyright (c) 2016 HP Development Company, L.P.<BR>
Portions Copyright (c) 2020, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
Portions Copyright (c) 2022, Loongson Technology Corporation Limited. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
//
// Include files
//
#ifdef __GNUC__
#include <sys/stat.h>
#endif
#include <string.h>
#ifndef __GNUC__
#include <io.h>
#endif
#include <assert.h>
#include <Guid/FfsSectionAlignmentPadding.h>
#include "WinNtInclude.h"
#include "GenFvInternalLib.h"
#include "FvLib.h"
#include "PeCoffLib.h"
#define ARM64_UNCONDITIONAL_JUMP_INSTRUCTION 0x14000000
/*
* Arm instruction to jump to Fv entry instruction in Arm or Thumb mode.
* From ARM Arch Ref Manual versions b/c/d, section A8.8.25 BL, BLX (immediate)
* BLX (encoding A2) branches to offset in Thumb instruction set mode.
* BL (encoding A1) branches to offset in Arm instruction set mode.
*/
#define ARM_JUMP_OFFSET_MAX 0xffffff
#define ARM_JUMP_TO_ARM(Offset) (0xeb000000 | ((Offset - 8) >> 2))
#define _ARM_JUMP_TO_THUMB(Imm32) (0xfa000000 | \
(((Imm32) & (1 << 1)) << (24 - 1)) | \
(((Imm32) >> 2) & 0x7fffff))
#define ARM_JUMP_TO_THUMB(Offset) _ARM_JUMP_TO_THUMB((Offset) - 8)
/*
* Arm instruction to return from exception (MOVS PC, LR)
*/
#define ARM_RETURN_FROM_EXCEPTION 0xE1B0F07E
BOOLEAN mArm = FALSE;
BOOLEAN mRiscV = FALSE;
BOOLEAN mLoongArch = FALSE;
STATIC UINT32 MaxFfsAlignment = 0;
BOOLEAN VtfFileFlag = FALSE;
EFI_GUID mEfiFirmwareVolumeTopFileGuid = EFI_FFS_VOLUME_TOP_FILE_GUID;
EFI_GUID mFileGuidArray [MAX_NUMBER_OF_FILES_IN_FV];
EFI_GUID mZeroGuid = {0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}};
EFI_GUID mDefaultCapsuleGuid = {0x3B6686BD, 0x0D76, 0x4030, { 0xB7, 0x0E, 0xB5, 0x51, 0x9E, 0x2F, 0xC5, 0xA0 }};
EFI_GUID mEfiFfsSectionAlignmentPaddingGuid = EFI_FFS_SECTION_ALIGNMENT_PADDING_GUID;
CHAR8 *mFvbAttributeName[] = {
EFI_FVB2_READ_DISABLED_CAP_STRING,
EFI_FVB2_READ_ENABLED_CAP_STRING,
EFI_FVB2_READ_STATUS_STRING,
EFI_FVB2_WRITE_DISABLED_CAP_STRING,
EFI_FVB2_WRITE_ENABLED_CAP_STRING,
EFI_FVB2_WRITE_STATUS_STRING,
EFI_FVB2_LOCK_CAP_STRING,
EFI_FVB2_LOCK_STATUS_STRING,
NULL,
EFI_FVB2_STICKY_WRITE_STRING,
EFI_FVB2_MEMORY_MAPPED_STRING,
EFI_FVB2_ERASE_POLARITY_STRING,
EFI_FVB2_READ_LOCK_CAP_STRING,
EFI_FVB2_READ_LOCK_STATUS_STRING,
EFI_FVB2_WRITE_LOCK_CAP_STRING,
EFI_FVB2_WRITE_LOCK_STATUS_STRING
};
CHAR8 *mFvbAlignmentName[] = {
EFI_FVB2_ALIGNMENT_1_STRING,
EFI_FVB2_ALIGNMENT_2_STRING,
EFI_FVB2_ALIGNMENT_4_STRING,
EFI_FVB2_ALIGNMENT_8_STRING,
EFI_FVB2_ALIGNMENT_16_STRING,
EFI_FVB2_ALIGNMENT_32_STRING,
EFI_FVB2_ALIGNMENT_64_STRING,
EFI_FVB2_ALIGNMENT_128_STRING,
EFI_FVB2_ALIGNMENT_256_STRING,
EFI_FVB2_ALIGNMENT_512_STRING,
EFI_FVB2_ALIGNMENT_1K_STRING,
EFI_FVB2_ALIGNMENT_2K_STRING,
EFI_FVB2_ALIGNMENT_4K_STRING,
EFI_FVB2_ALIGNMENT_8K_STRING,
EFI_FVB2_ALIGNMENT_16K_STRING,
EFI_FVB2_ALIGNMENT_32K_STRING,
EFI_FVB2_ALIGNMENT_64K_STRING,
EFI_FVB2_ALIGNMENT_128K_STRING,
EFI_FVB2_ALIGNMENT_256K_STRING,
EFI_FVB2_ALIGNMENT_512K_STRING,
EFI_FVB2_ALIGNMENT_1M_STRING,
EFI_FVB2_ALIGNMENT_2M_STRING,
EFI_FVB2_ALIGNMENT_4M_STRING,
EFI_FVB2_ALIGNMENT_8M_STRING,
EFI_FVB2_ALIGNMENT_16M_STRING,
EFI_FVB2_ALIGNMENT_32M_STRING,
EFI_FVB2_ALIGNMENT_64M_STRING,
EFI_FVB2_ALIGNMENT_128M_STRING,
EFI_FVB2_ALIGNMENT_256M_STRING,
EFI_FVB2_ALIGNMENT_512M_STRING,
EFI_FVB2_ALIGNMENT_1G_STRING,
EFI_FVB2_ALIGNMENT_2G_STRING
};
//
// This data array will be located at the base of the Firmware Volume Header (FVH)
// in the boot block. It must not exceed 14 bytes of code. The last 2 bytes
// will be used to keep the FVH checksum consistent.
// This code will be run in response to a startup IPI for HT-enabled systems.
//
#define SIZEOF_STARTUP_DATA_ARRAY 0x10
UINT8 m128kRecoveryStartupApDataArray[SIZEOF_STARTUP_DATA_ARRAY] = {
//
// EA D0 FF 00 F0 ; far jmp F000:FFD0
// 0, 0, 0, 0, 0, 0, 0, 0, 0, ; Reserved bytes
// 0, 0 ; Checksum Padding
//
0xEA,
0xD0,
0xFF,
0x0,
0xF0,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00
};
UINT8 m64kRecoveryStartupApDataArray[SIZEOF_STARTUP_DATA_ARRAY] = {
//
// EB CE ; jmp short ($-0x30)
// ; (from offset 0x0 to offset 0xFFD0)
// 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ; Reserved bytes
// 0, 0 ; Checksum Padding
//
0xEB,
0xCE,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00
};
FV_INFO mFvDataInfo;
CAP_INFO mCapDataInfo;
BOOLEAN mIsLargeFfs = FALSE;
EFI_PHYSICAL_ADDRESS mFvBaseAddress[0x10];
UINT32 mFvBaseAddressNumber = 0;
EFI_STATUS
ParseFvInf (
IN MEMORY_FILE *InfFile,
OUT FV_INFO *FvInfo
)
/*++
Routine Description:
This function parses a FV.INF file and copies info into a FV_INFO structure.
Arguments:
InfFile Memory file image.
FvInfo Information read from INF file.
Returns:
EFI_SUCCESS INF file information successfully retrieved.
EFI_ABORTED INF file has an invalid format.
EFI_NOT_FOUND A required string was not found in the INF file.
--*/
{
CHAR8 Value[MAX_LONG_FILE_PATH];
UINT64 Value64;
UINTN Index;
UINTN Number;
EFI_STATUS Status;
EFI_GUID GuidValue;
//
// Read the FV base address
//
if (!mFvDataInfo.BaseAddressSet) {
Status = FindToken (InfFile, OPTIONS_SECTION_STRING, EFI_FV_BASE_ADDRESS_STRING, 0, Value);
if (Status == EFI_SUCCESS) {
//
// Get the base address
//
Status = AsciiStringToUint64 (Value, FALSE, &Value64);
if (EFI_ERROR (Status)) {
Error (NULL, 0, 2000, "Invalid parameter", "%s = %s", EFI_FV_BASE_ADDRESS_STRING, Value);
return EFI_ABORTED;
}
DebugMsg (NULL, 0, 9, "rebase address", "%s = %s", EFI_FV_BASE_ADDRESS_STRING, Value);
FvInfo->BaseAddress = Value64;
FvInfo->BaseAddressSet = TRUE;
}
}
//
// Read the FV File System Guid
//
if (!FvInfo->FvFileSystemGuidSet) {
Status = FindToken (InfFile, OPTIONS_SECTION_STRING, EFI_FV_FILESYSTEMGUID_STRING, 0, Value);
if (Status == EFI_SUCCESS) {
//
// Get the guid value
//
Status = StringToGuid (Value, &GuidValue);
if (EFI_ERROR (Status)) {
Error (NULL, 0, 2000, "Invalid parameter", "%s = %s", EFI_FV_FILESYSTEMGUID_STRING, Value);
return EFI_ABORTED;
}
memcpy (&FvInfo->FvFileSystemGuid, &GuidValue, sizeof (EFI_GUID));
FvInfo->FvFileSystemGuidSet = TRUE;
}
}
//
// Read the FV Extension Header File Name
//
Status = FindToken (InfFile, ATTRIBUTES_SECTION_STRING, EFI_FV_EXT_HEADER_FILE_NAME, 0, Value);
if (Status == EFI_SUCCESS) {
strcpy (FvInfo->FvExtHeaderFile, Value);
}
//
// Read the FV file name
//
Status = FindToken (InfFile, OPTIONS_SECTION_STRING, EFI_FV_FILE_NAME_STRING, 0, Value);
if (Status == EFI_SUCCESS) {
//
// copy the file name
//
strcpy (FvInfo->FvName, Value);
}
//
// Read Fv Attribute
//
for (Index = 0; Index < sizeof (mFvbAttributeName)/sizeof (CHAR8 *); Index ++) {
if ((mFvbAttributeName [Index] != NULL) && \
(FindToken (InfFile, ATTRIBUTES_SECTION_STRING, mFvbAttributeName [Index], 0, Value) == EFI_SUCCESS)) {
if ((strcmp (Value, TRUE_STRING) == 0) || (strcmp (Value, ONE_STRING) == 0)) {
FvInfo->FvAttributes |= 1 << Index;
} else if ((strcmp (Value, FALSE_STRING) != 0) && (strcmp (Value, ZERO_STRING) != 0)) {
Error (NULL, 0, 2000, "Invalid parameter", "%s expected %s | %s", mFvbAttributeName [Index], TRUE_STRING, FALSE_STRING);
return EFI_ABORTED;
}
}
}
//
// Read Fv Alignment
//
for (Index = 0; Index < sizeof (mFvbAlignmentName)/sizeof (CHAR8 *); Index ++) {
if (FindToken (InfFile, ATTRIBUTES_SECTION_STRING, mFvbAlignmentName [Index], 0, Value) == EFI_SUCCESS) {
if (strcmp (Value, TRUE_STRING) == 0) {
FvInfo->FvAttributes |= Index << 16;
DebugMsg (NULL, 0, 9, "FV file alignment", "Align = %s", mFvbAlignmentName [Index]);
break;
}
}
}
//
// Read weak alignment flag
//
Status = FindToken (InfFile, ATTRIBUTES_SECTION_STRING, EFI_FV_WEAK_ALIGNMENT_STRING, 0, Value);
if (Status == EFI_SUCCESS) {
if ((strcmp (Value, TRUE_STRING) == 0) || (strcmp (Value, ONE_STRING) == 0)) {
FvInfo->FvAttributes |= EFI_FVB2_WEAK_ALIGNMENT;
} else if ((strcmp (Value, FALSE_STRING) != 0) && (strcmp (Value, ZERO_STRING) != 0)) {
Error (NULL, 0, 2000, "Invalid parameter", "Weak alignment value expected one of TRUE, FALSE, 1 or 0.");
return EFI_ABORTED;
}
}
//
// Read block maps
//
for (Index = 0; Index < MAX_NUMBER_OF_FV_BLOCKS; Index++) {
if (FvInfo->FvBlocks[Index].Length == 0) {
//
// Read block size
//
Status = FindToken (InfFile, OPTIONS_SECTION_STRING, EFI_BLOCK_SIZE_STRING, Index, Value);
if (Status == EFI_SUCCESS) {
//
// Update the size of block
//
Status = AsciiStringToUint64 (Value, FALSE, &Value64);
if (EFI_ERROR (Status)) {
Error (NULL, 0, 2000, "Invalid parameter", "%s = %s", EFI_BLOCK_SIZE_STRING, Value);
return EFI_ABORTED;
}
FvInfo->FvBlocks[Index].Length = (UINT32) Value64;
DebugMsg (NULL, 0, 9, "FV Block Size", "%s = %s", EFI_BLOCK_SIZE_STRING, Value);
} else {
//
// If there is no blocks size, but there is the number of block, then we have a mismatched pair
// and should return an error.
//
Status = FindToken (InfFile, OPTIONS_SECTION_STRING, EFI_NUM_BLOCKS_STRING, Index, Value);
if (!EFI_ERROR (Status)) {
Error (NULL, 0, 2000, "Invalid parameter", "both %s and %s must be specified.", EFI_NUM_BLOCKS_STRING, EFI_BLOCK_SIZE_STRING);
return EFI_ABORTED;
} else {
//
// We are done
//
break;
}
}
//
// Read blocks number
//
Status = FindToken (InfFile, OPTIONS_SECTION_STRING, EFI_NUM_BLOCKS_STRING, Index, Value);
if (Status == EFI_SUCCESS) {
//
// Update the number of blocks
//
Status = AsciiStringToUint64 (Value, FALSE, &Value64);
if (EFI_ERROR (Status)) {
Error (NULL, 0, 2000, "Invalid parameter", "%s = %s", EFI_NUM_BLOCKS_STRING, Value);
return EFI_ABORTED;
}
FvInfo->FvBlocks[Index].NumBlocks = (UINT32) Value64;
DebugMsg (NULL, 0, 9, "FV Block Number", "%s = %s", EFI_NUM_BLOCKS_STRING, Value);
}
}
}
if (Index == 0) {
Error (NULL, 0, 2001, "Missing required argument", "block size.");
return EFI_ABORTED;
}
//
// Read files
//
Number = 0;
for (Number = 0; Number < MAX_NUMBER_OF_FILES_IN_FV; Number ++) {
if (FvInfo->FvFiles[Number][0] == '\0') {
break;
}
}
for (Index = 0; Number + Index < MAX_NUMBER_OF_FILES_IN_FV; Index++) {
//
// Read the FFS file list
//
Status = FindToken (InfFile, FILES_SECTION_STRING, EFI_FILE_NAME_STRING, Index, Value);
if (Status == EFI_SUCCESS) {
//
// Add the file
//
strcpy (FvInfo->FvFiles[Number + Index], Value);
DebugMsg (NULL, 0, 9, "FV component file", "the %uth name is %s", (unsigned) Index, Value);
} else {
break;
}
}
if ((Index + Number) == 0) {
Warning (NULL, 0, 0, "FV components are not specified.", NULL);
}
return EFI_SUCCESS;
}
VOID
UpdateFfsFileState (
IN EFI_FFS_FILE_HEADER *FfsFile,
IN EFI_FIRMWARE_VOLUME_HEADER *FvHeader
)
/*++
Routine Description:
This function changes the FFS file attributes based on the erase polarity
of the FV. Update the reserved bits of State to EFI_FVB2_ERASE_POLARITY.
Arguments:
FfsFile File header.
FvHeader FV header.
Returns:
None
--*/
{
if (FvHeader->Attributes & EFI_FVB2_ERASE_POLARITY) {
FfsFile->State = (UINT8)~(FfsFile->State);
// FfsFile->State |= ~(UINT8) EFI_FILE_ALL_STATE_BITS;
}
}
EFI_STATUS
ReadFfsAlignment (
IN EFI_FFS_FILE_HEADER *FfsFile,
IN OUT UINT32 *Alignment
)
/*++
Routine Description:
This function determines the alignment of the FFS input file from the file
attributes.
Arguments:
FfsFile FFS file to parse
Alignment The minimum required alignment offset of the FFS file
Returns:
EFI_SUCCESS The function completed successfully.
EFI_INVALID_PARAMETER One of the input parameters was invalid.
EFI_ABORTED An error occurred.
--*/
{
//
// Verify input parameters.
//
if (FfsFile == NULL || Alignment == NULL) {
return EFI_INVALID_PARAMETER;
}
switch ((FfsFile->Attributes >> 3) & 0x07) {
case 0:
//
// 1 byte alignment
//if bit 1 have set, 128K byte alignment
//
if (FfsFile->Attributes & FFS_ATTRIB_DATA_ALIGNMENT2) {
*Alignment = 17;
} else {
*Alignment = 0;
}
break;
case 1:
//
// 16 byte alignment
//if bit 1 have set, 256K byte alignment
//
if (FfsFile->Attributes & FFS_ATTRIB_DATA_ALIGNMENT2) {
*Alignment = 18;
} else {
*Alignment = 4;
}
break;
case 2:
//
// 128 byte alignment
//if bit 1 have set, 512K byte alignment
//
if (FfsFile->Attributes & FFS_ATTRIB_DATA_ALIGNMENT2) {
*Alignment = 19;
} else {
*Alignment = 7;
}
break;
case 3:
//
// 512 byte alignment
//if bit 1 have set, 1M byte alignment
//
if (FfsFile->Attributes & FFS_ATTRIB_DATA_ALIGNMENT2) {
*Alignment = 20;
} else {
*Alignment = 9;
}
break;
case 4:
//
// 1K byte alignment
//if bit 1 have set, 2M byte alignment
//
if (FfsFile->Attributes & FFS_ATTRIB_DATA_ALIGNMENT2) {
*Alignment = 21;
} else {
*Alignment = 10;
}
break;
case 5:
//
// 4K byte alignment
//if bit 1 have set, 4M byte alignment
//
if (FfsFile->Attributes & FFS_ATTRIB_DATA_ALIGNMENT2) {
*Alignment = 22;
} else {
*Alignment = 12;
}
break;
case 6:
//
// 32K byte alignment
//if bit 1 have set , 8M byte alignment
//
if (FfsFile->Attributes & FFS_ATTRIB_DATA_ALIGNMENT2) {
*Alignment = 23;
} else {
*Alignment = 15;
}
break;
case 7:
//
// 64K byte alignment
//if bit 1 have set, 16M alignment
//
if (FfsFile->Attributes & FFS_ATTRIB_DATA_ALIGNMENT2) {
*Alignment = 24;
} else {
*Alignment = 16;
}
break;
default:
break;
}
return EFI_SUCCESS;
}
EFI_STATUS
AddPadFile (
IN OUT MEMORY_FILE *FvImage,
IN UINT32 DataAlignment,
IN VOID *FvEnd,
IN EFI_FIRMWARE_VOLUME_EXT_HEADER *ExtHeader,
IN UINT32 NextFfsSize
)
/*++
Routine Description:
This function adds a pad file to the FV image if it required to align the
data of the next file.
Arguments:
FvImage The memory image of the FV to add it to.
The current offset must be valid.
DataAlignment The data alignment of the next FFS file.
FvEnd End of the empty data in FvImage.
ExtHeader PI FvExtHeader Optional
Returns:
EFI_SUCCESS The function completed successfully.
EFI_INVALID_PARAMETER One of the input parameters was invalid.
EFI_OUT_OF_RESOURCES Insufficient resources exist in the FV to complete
the pad file add.
--*/
{
EFI_FFS_FILE_HEADER *PadFile;
UINTN PadFileSize;
UINT32 NextFfsHeaderSize;
UINT32 CurFfsHeaderSize;
UINT32 Index;
Index = 0;
CurFfsHeaderSize = sizeof (EFI_FFS_FILE_HEADER);
//
// Verify input parameters.
//
if (FvImage == NULL) {
return EFI_INVALID_PARAMETER;
}
//
// Calculate the pad file size
//
//
// Append extension header size
//
if (ExtHeader != NULL) {
PadFileSize = ExtHeader->ExtHeaderSize;
if (PadFileSize + sizeof (EFI_FFS_FILE_HEADER) >= MAX_FFS_SIZE) {
CurFfsHeaderSize = sizeof (EFI_FFS_FILE_HEADER2);
}
PadFileSize += CurFfsHeaderSize;
} else {
NextFfsHeaderSize = sizeof (EFI_FFS_FILE_HEADER);
if (NextFfsSize >= MAX_FFS_SIZE) {
NextFfsHeaderSize = sizeof (EFI_FFS_FILE_HEADER2);
}
//
// Check if a pad file is necessary
//
if (((UINTN) FvImage->CurrentFilePointer - (UINTN) FvImage->FileImage + NextFfsHeaderSize) % DataAlignment == 0) {
return EFI_SUCCESS;
}
PadFileSize = (UINTN) FvImage->CurrentFilePointer - (UINTN) FvImage->FileImage + sizeof (EFI_FFS_FILE_HEADER) + NextFfsHeaderSize;
//
// Add whatever it takes to get to the next aligned address
//
while ((PadFileSize % DataAlignment) != 0) {
PadFileSize++;
}
//
// Subtract the next file header size
//
PadFileSize -= NextFfsHeaderSize;
//
// Subtract the starting offset to get size
//
PadFileSize -= (UINTN) FvImage->CurrentFilePointer - (UINTN) FvImage->FileImage;
}
//
// Verify that we have enough space for the file header
//
if (((UINTN) FvImage->CurrentFilePointer + PadFileSize) > (UINTN) FvEnd) {
return EFI_OUT_OF_RESOURCES;
}
//
// Write pad file header
//
PadFile = (EFI_FFS_FILE_HEADER *) FvImage->CurrentFilePointer;
//
// Write PadFile FFS header with PadType, don't need to set PAD file guid in its header.
//
PadFile->Type = EFI_FV_FILETYPE_FFS_PAD;
PadFile->Attributes = 0;
//
// Write pad file size (calculated size minus next file header size)
//
if (PadFileSize >= MAX_FFS_SIZE) {
memset(PadFile->Size, 0, sizeof(UINT8) * 3);
((EFI_FFS_FILE_HEADER2 *)PadFile)->ExtendedSize = PadFileSize;
PadFile->Attributes |= FFS_ATTRIB_LARGE_FILE;
} else {
PadFile->Size[0] = (UINT8) (PadFileSize & 0xFF);
PadFile->Size[1] = (UINT8) ((PadFileSize >> 8) & 0xFF);
PadFile->Size[2] = (UINT8) ((PadFileSize >> 16) & 0xFF);
}
//
// Fill in checksums and state, they must be 0 for checksumming.
//
PadFile->IntegrityCheck.Checksum.Header = 0;
PadFile->IntegrityCheck.Checksum.File = 0;
PadFile->State = 0;
PadFile->IntegrityCheck.Checksum.Header = CalculateChecksum8 ((UINT8 *) PadFile, CurFfsHeaderSize);
PadFile->IntegrityCheck.Checksum.File = FFS_FIXED_CHECKSUM;
PadFile->State = EFI_FILE_HEADER_CONSTRUCTION | EFI_FILE_HEADER_VALID | EFI_FILE_DATA_VALID;
UpdateFfsFileState (
(EFI_FFS_FILE_HEADER *) PadFile,
(EFI_FIRMWARE_VOLUME_HEADER *) FvImage->FileImage
);
//
// Update the current FV pointer
//
FvImage->CurrentFilePointer += PadFileSize;
if (ExtHeader != NULL) {
//
// Copy Fv Extension Header and Set Fv Extension header offset
//
if (ExtHeader->ExtHeaderSize > sizeof (EFI_FIRMWARE_VOLUME_EXT_HEADER)) {
for (Index = sizeof (EFI_FIRMWARE_VOLUME_EXT_HEADER); Index < ExtHeader->ExtHeaderSize;) {
if (((EFI_FIRMWARE_VOLUME_EXT_ENTRY *)((UINT8 *)ExtHeader + Index))-> ExtEntryType == EFI_FV_EXT_TYPE_USED_SIZE_TYPE) {
if (VtfFileFlag) {
((EFI_FIRMWARE_VOLUME_EXT_ENTRY_USED_SIZE_TYPE *)((UINT8 *)ExtHeader + Index))->UsedSize = mFvTotalSize;
} else {
((EFI_FIRMWARE_VOLUME_EXT_ENTRY_USED_SIZE_TYPE *)((UINT8 *)ExtHeader + Index))->UsedSize = mFvTakenSize;
}
break;
}
Index += ((EFI_FIRMWARE_VOLUME_EXT_ENTRY *)((UINT8 *)ExtHeader + Index))-> ExtEntrySize;
}
}
memcpy ((UINT8 *)PadFile + CurFfsHeaderSize, ExtHeader, ExtHeader->ExtHeaderSize);
((EFI_FIRMWARE_VOLUME_HEADER *) FvImage->FileImage)->ExtHeaderOffset = (UINT16) ((UINTN) ((UINT8 *)PadFile + CurFfsHeaderSize) - (UINTN) FvImage->FileImage);
//
// Make next file start at QWord Boundary
//
while (((UINTN) FvImage->CurrentFilePointer & (EFI_FFS_FILE_HEADER_ALIGNMENT - 1)) != 0) {
FvImage->CurrentFilePointer++;
}
}
return EFI_SUCCESS;
}
BOOLEAN
IsVtfFile (
IN EFI_FFS_FILE_HEADER *FileBuffer
)
/*++
Routine Description:
This function checks the header to validate if it is a VTF file
Arguments:
FileBuffer Buffer in which content of a file has been read.
Returns:
TRUE If this is a VTF file
FALSE If this is not a VTF file
--*/
{
if (!memcmp (&FileBuffer->Name, &mEfiFirmwareVolumeTopFileGuid, sizeof (EFI_GUID))) {
return TRUE;
} else {
return FALSE;
}
}
EFI_STATUS
WriteMapFile (
IN OUT FILE *FvMapFile,
IN CHAR8 *FileName,
IN EFI_FFS_FILE_HEADER *FfsFile,
IN EFI_PHYSICAL_ADDRESS ImageBaseAddress,
IN PE_COFF_LOADER_IMAGE_CONTEXT *pImageContext
)
/*++
Routine Description:
This function gets the basic debug information (entrypoint, baseaddress, .text, .data section base address)
from PE/COFF image and abstracts Pe Map file information and add them into FvMap file for Debug.
Arguments:
FvMapFile A pointer to FvMap File
FileName Ffs File PathName
FfsFile A pointer to Ffs file image.
ImageBaseAddress PeImage Base Address.
pImageContext Image Context Information.
Returns:
EFI_SUCCESS Added required map information.
--*/
{
CHAR8 PeMapFileName [MAX_LONG_FILE_PATH];
CHAR8 *Cptr, *Cptr2;
CHAR8 FileGuidName [MAX_LINE_LEN];
FILE *PeMapFile;
CHAR8 Line [MAX_LINE_LEN];
CHAR8 KeyWord [MAX_LINE_LEN];
CHAR8 KeyWord2 [MAX_LINE_LEN];
CHAR8 FunctionName [MAX_LINE_LEN];
EFI_PHYSICAL_ADDRESS FunctionAddress;
UINT32 FunctionType;
CHAR8 FunctionTypeName [MAX_LINE_LEN];
UINT32 Index;
UINT32 AddressOfEntryPoint;
UINT32 Offset;
EFI_IMAGE_OPTIONAL_HEADER_UNION *ImgHdr;
EFI_TE_IMAGE_HEADER *TEImageHeader;
EFI_IMAGE_SECTION_HEADER *SectionHeader;
long long TempLongAddress;
UINT32 TextVirtualAddress;
UINT32 DataVirtualAddress;
EFI_PHYSICAL_ADDRESS LinkTimeBaseAddress;
BOOLEAN IsUseClang;
//
// Init local variable
//
FunctionType = 0;
//
// Print FileGuid to string buffer.
//
PrintGuidToBuffer (&FfsFile->Name, (UINT8 *)FileGuidName, MAX_LINE_LEN, TRUE);
//
// Construct Map file Name
//
if (strlen (FileName) >= MAX_LONG_FILE_PATH) {
return EFI_ABORTED;
}
strncpy (PeMapFileName, FileName, MAX_LONG_FILE_PATH - 1);
PeMapFileName[MAX_LONG_FILE_PATH - 1] = 0;
//
// Change '\\' to '/', unified path format.
//
Cptr = PeMapFileName;
while (*Cptr != '\0') {
if (*Cptr == '\\') {
*Cptr = FILE_SEP_CHAR;
}
Cptr ++;
}
//
// Get Map file
//
Cptr = PeMapFileName + strlen (PeMapFileName);
while ((*Cptr != '.') && (Cptr >= PeMapFileName)) {
Cptr --;
}
if (Cptr < PeMapFileName) {
return EFI_NOT_FOUND;
} else {
*(Cptr + 1) = 'm';
*(Cptr + 2) = 'a';
*(Cptr + 3) = 'p';
*(Cptr + 4) = '\0';
}
//
// Get module Name
//
Cptr2 = Cptr;
while ((*Cptr != FILE_SEP_CHAR) && (Cptr >= PeMapFileName)) {
Cptr --;
}
*Cptr2 = '\0';
if (strlen (Cptr + 1) >= MAX_LINE_LEN) {
return EFI_ABORTED;
}
strncpy (KeyWord, Cptr + 1, MAX_LINE_LEN - 1);
KeyWord[MAX_LINE_LEN - 1] = 0;
*Cptr2 = '.';
//
// AddressOfEntryPoint and Offset in Image
//
if (!pImageContext->IsTeImage) {
ImgHdr = (EFI_IMAGE_OPTIONAL_HEADER_UNION *) ((UINT8 *) pImageContext->Handle + pImageContext->PeCoffHeaderOffset);
AddressOfEntryPoint = ImgHdr->Pe32.OptionalHeader.AddressOfEntryPoint;
Offset = 0;
SectionHeader = (EFI_IMAGE_SECTION_HEADER *) (
(UINT8 *) ImgHdr +
sizeof (UINT32) +
sizeof (EFI_IMAGE_FILE_HEADER) +
ImgHdr->Pe32.FileHeader.SizeOfOptionalHeader
);
Index = ImgHdr->Pe32.FileHeader.NumberOfSections;
} else {
TEImageHeader = (EFI_TE_IMAGE_HEADER *) pImageContext->Handle;
AddressOfEntryPoint = TEImageHeader->AddressOfEntryPoint;
Offset = TEImageHeader->StrippedSize - sizeof (EFI_TE_IMAGE_HEADER);
SectionHeader = (EFI_IMAGE_SECTION_HEADER *) (TEImageHeader + 1);
Index = TEImageHeader->NumberOfSections;
}
//
// module information output
//
if (ImageBaseAddress == 0) {
fprintf (FvMapFile, "%s (dummy) (", KeyWord);
fprintf (FvMapFile, "BaseAddress=%010llx, ", (unsigned long long) ImageBaseAddress);
} else {
fprintf (FvMapFile, "%s (Fixed Flash Address, ", KeyWord);
fprintf (FvMapFile, "BaseAddress=0x%010llx, ", (unsigned long long) (ImageBaseAddress + Offset));
}
fprintf (FvMapFile, "EntryPoint=0x%010llx, ", (unsigned long long) (ImageBaseAddress + AddressOfEntryPoint));
if (!pImageContext->IsTeImage) {
fprintf (FvMapFile, "Type=PE");
} else {
fprintf (FvMapFile, "Type=TE");
}
fprintf (FvMapFile, ")\n");
fprintf (FvMapFile, "(GUID=%s", FileGuidName);
TextVirtualAddress = 0;
DataVirtualAddress = 0;
for (; Index > 0; Index --, SectionHeader ++) {
if (stricmp ((CHAR8 *)SectionHeader->Name, ".text") == 0) {
TextVirtualAddress = SectionHeader->VirtualAddress;
} else if (stricmp ((CHAR8 *)SectionHeader->Name, ".data") == 0) {
DataVirtualAddress = SectionHeader->VirtualAddress;
} else if (stricmp ((CHAR8 *)SectionHeader->Name, ".sdata") == 0) {
DataVirtualAddress = SectionHeader->VirtualAddress;
}
}
fprintf (FvMapFile, " .textbaseaddress=0x%010llx", (unsigned long long) (ImageBaseAddress + TextVirtualAddress));
fprintf (FvMapFile, " .databaseaddress=0x%010llx", (unsigned long long) (ImageBaseAddress + DataVirtualAddress));
fprintf (FvMapFile, ")\n\n");
//
// Open PeMapFile
//
PeMapFile = fopen (LongFilePath (PeMapFileName), "r");
if (PeMapFile == NULL) {
// fprintf (stdout, "can't open %s file to reading\n", PeMapFileName);
return EFI_ABORTED;
}
VerboseMsg ("The map file is %s", PeMapFileName);
//
// Output Functions information into Fv Map file
//
LinkTimeBaseAddress = 0;
IsUseClang = FALSE;
while (fgets (Line, MAX_LINE_LEN, PeMapFile) != NULL) {
//
// Skip blank line
//
if (Line[0] == 0x0a) {
FunctionType = 0;
continue;
}
//
// By Address and Static keyword
//
if (FunctionType == 0) {
sscanf (Line, "%s", KeyWord);
if (stricmp (KeyWord, "Address") == 0) {
sscanf (Line, "%s %s", KeyWord, KeyWord2);
if (stricmp (KeyWord2, "Size") == 0) {
IsUseClang = TRUE;
FunctionType = 1;
continue;
}
//
// function list
//
FunctionType = 1;
fgets (Line, MAX_LINE_LEN, PeMapFile);
} else if (stricmp (KeyWord, "Static") == 0) {
//
// static function list
//
FunctionType = 2;
fgets (Line, MAX_LINE_LEN, PeMapFile);
} else if (stricmp (KeyWord, "Preferred") ==0) {
sscanf (Line + strlen (" Preferred load address is"), "%llx", &TempLongAddress);
LinkTimeBaseAddress = (UINT64) TempLongAddress;
}
continue;
}
//
// Printf Function Information
//
if (FunctionType == 1) {