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fixed rebase PEI files with nonstandard alignment

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This commit is contained in:
Alex Matrosov 2018-02-25 15:40:14 -08:00
parent 8714e4c15e
commit 60d6494841
3 changed files with 19 additions and 7 deletions
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2
UEFIPatch/uefipatch_main.cpp
View File

@ -31,7 +31,7 @@ int main(int argc, char *argv[])
result = w.patchFromFile(a.arguments().at(1));
}
else {
std::cout << "UEFIPatch 0.3.12 - UEFI image file patching utility" << std::endl << std::endl <<
std::cout << "UEFIPatch 0.3.13 - UEFI image file patching utility" << std::endl << std::endl <<
"Usage: UEFIPatch image_file" << std::endl << std::endl <<
"Patches will be read from patches.txt file\n";
return ERR_SUCCESS;

22
ffsengine.cpp
View File

@ -3405,11 +3405,9 @@ UINT8 FfsEngine::reconstructVolume(const QModelIndex & index, QByteArray & recon
// Normal file
// Ensure correct alignment
UINT8 alignmentPower;
UINT32 alignmentBase;
alignmentPower = ffsAlignmentTable[(fileHeader->Attributes & FFS_ATTRIB_DATA_ALIGNMENT) >> 3];
UINT8 alignmentPower = ffsAlignmentTable[(fileHeader->Attributes & FFS_ATTRIB_DATA_ALIGNMENT) >> 3];
alignment = (UINT32)(1UL <<alignmentPower);
alignmentBase = header.size() + offset + fileHeaderSize;
UINT32 alignmentBase = header.size() + offset + fileHeaderSize;
if (alignmentBase % alignment) {
// File will be unaligned if added as is, so we must add pad file before it
// Determine pad file size
@ -3706,7 +3704,21 @@ UINT8 FfsEngine::reconstructFile(const QModelIndex& index, const UINT8 revision,
// Calculate section base
UINT32 sectionBase = base ? base + headerSize + offset : 0;
UINT8 alignmentPower = ffsAlignmentTable[(fileHeader->Attributes & FFS_ATTRIB_DATA_ALIGNMENT) >> 3];
UINT32 fileAlignment = (UINT32)(1UL << alignmentPower);
UINT32 alignmentBase = base + headerSize;
if (alignmentBase % fileAlignment) {
// File will be unaligned if added as is, so we must add pad file before it
// Determine pad file size
UINT32 size = fileAlignment - (alignmentBase % fileAlignment);
// Required padding is smaller then minimal pad file size
while (size < sizeof(EFI_FFS_FILE_HEADER)) {
size += fileAlignment;
}
// Adjust file base to incorporate pad file that will be added to align it
sectionBase += size;
}
// Reconstruct section
QByteArray section;
result = reconstructSection(index.child(i, 0), sectionBase, section);

2
uefitool.cpp
View File

@ -17,7 +17,7 @@
UEFITool::UEFITool(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::UEFITool),
version(tr("0.22.3"))
version(tr("0.22.4"))
{
clipboard = QApplication::clipboard();