mirrors/UEFITool
1
0
Fork 0
mirror of https://github.com/LongSoft/UEFITool.git synced 2024-10-18 04:30:33 -04:00
Code Issues Projects Releases Packages Wiki Activity

Version 0.14.1

Browse source 
-solved a serious bug with AMI-specific file displacement after volume
modification
This commit is contained in:
Nikolaj Schlej 2014-01-03 16:31:14 +01:00
parent 41fb0cbbf5
commit 17ee8a445a
3 changed files with 61 additions and 14 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
ffs.h
View file

@ -63,7 +63,8 @@ typedef struct {
} APTIO_CAPSULE_HEADER;
// AMI Aptio extended capsule GUID
const QByteArray APTIO_CAPSULE_GUID("\x8B\xA6\x3C\x4A\x23\x77\xFB\x48\x80\x3D\x57\x8C\xC1\xFE\xC4\x4D", 16);
const QByteArray APTIO_CAPSULE_GUID
("\x8B\xA6\x3C\x4A\x23\x77\xFB\x48\x80\x3D\x57\x8C\xC1\xFE\xC4\x4D", 16);
//*****************************************************************************
// EFI Firmware Volume
@ -300,6 +301,13 @@ extern const UINT8 ffsAlignmentTable[];
const QByteArray EFI_FFS_VOLUME_TOP_FILE_GUID
("\x2E\x06\xA0\x1B\x79\xC7\x82\x45\x85\x66\x33\x6A\xE8\xF7\x8F\x09", 16);
// AMI volume top file
// This file must also be located near the end volume, right before VTF
const QByteArray EFI_AMI_FFS_FILE_BEFORE_VTF_GUID
("\x50\x9F\xE5\xD1\xC3\xE8\x45\x45\xBF\x61\x11\xF0\x02\x23\x3C\x97", 16);
// Offset of this file
#define EFI_AMI_FFS_FILE_BEFORE_VTF_OFFSET 0xEF0
// FFS size conversion routines
extern VOID uint32ToUint24(UINT32 size, UINT8* ffsSize);
extern UINT32 uint24ToUint32(UINT8* ffsSize);

39
ffsengine.cpp
View file

@ -1929,6 +1929,19 @@ UINT8 FfsEngine::reconstruct(const QModelIndex & index, QQueue<QByteArray> & que
}
}
// Ensure that AMI file before VTF is the second latest file of the volume
foreach(const QByteArray & child, childrenQueue) {
// Check for AMI before VTF file
if (child.left(sizeof(EFI_GUID)) == EFI_AMI_FFS_FILE_BEFORE_VTF_GUID) {
if(childrenQueue.indexOf(child) + 2 != childrenQueue.length()) {
// Remove file and add it to the end of the volume
QByteArray amiBeforeVtf = child;
childrenQueue.removeAll(child);
childrenQueue.insert(--childrenQueue.end(), amiBeforeVtf);
}
}
}
// Get volume size
UINT32 volumeSize;
result = getVolumeSize(header, 0, volumeSize);
@ -1951,6 +1964,32 @@ UINT8 FfsEngine::reconstruct(const QModelIndex & index, QQueue<QByteArray> & que
QByteArray file = childrenQueue.dequeue();
EFI_FFS_FILE_HEADER* fileHeader = (EFI_FFS_FILE_HEADER*) file.data();
// This is the second latest file in the volume
if (childrenQueue.count() == 1) {
// This file can be AMI file before VTF
if (file.left(sizeof(EFI_GUID)) == EFI_AMI_FFS_FILE_BEFORE_VTF_GUID) {
// Determine correct offset
UINT32 amiOffset = volumeSize - header.size() - file.size() - EFI_AMI_FFS_FILE_BEFORE_VTF_OFFSET;
// Insert pad file to fill the gap
if (amiOffset > offset) {
// Determine pad file size
UINT32 size = amiOffset - offset;
// Construct pad file
QByteArray pad;
result = constructPadFile(size, revision, polarity, pad);
if (result)
return result;
// Append constructed pad file to volume body
reconstructed.append(pad);
offset = amiOffset;
}
if (amiOffset < offset) {
msg(tr("%1: volume has no free space left").arg(guidToQString(volumeHeader->FileSystemGuid)), index);
return ERR_INVALID_VOLUME;
}
}
}
// Check alignment
UINT8 alignmentPower;
UINT32 base;

2
uefitool.ui
View file

@ -20,7 +20,7 @@
<bool>true</bool>
</property>
<property name="windowTitle">
<string>UEFITool 0.14.0</string>
<string>UEFITool 0.14.1</string>
</property>
<widget class="QWidget" name="centralWidget">
<property name="sizePolicy">