mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-26 16:47:40 +01:00
274 lines
11 KiB
C++
274 lines
11 KiB
C++
/*
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* Self.cpp
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*
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* Created on: Sep 28, 2020
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* Author: jief
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*/
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#include "../Settings/Self.h"
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#include <Platform.h>
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#include "../refit/lib.h"
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#ifndef DEBUG_ALL
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#define DEBUG_SELF 1
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#else
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#define DEBUG_SELF DEBUG_ALL
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#endif
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#if DEBUG_SELF == 0
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#define DBG(...)
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#else
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#define DBG(...) DebugLog(DEBUG_SELF, __VA_ARGS__)
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#endif
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EFI_STATUS Self::__initialize(EFI_HANDLE SelfImageHandle, EFI_LOADED_IMAGE** SelfLoadedImagePtr, EFI_SIMPLE_FILE_SYSTEM_PROTOCOL** SelfSimpleVolumePtr, EFI_FILE** SelfVolumeRootDirPtr, XStringW* CloverDirFullPathPtr, XStringW* efiFileNamePtr, EFI_FILE** CloverDirPtr)
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{
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EFI_STATUS Status;
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Status = gBS->HandleProtocol(SelfImageHandle, &gEfiLoadedImageProtocolGuid, (void **)SelfLoadedImagePtr);
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if ( EFI_ERROR(Status) ) {
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*SelfLoadedImagePtr = NULL;
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return RETURN_LOAD_ERROR;
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}
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EFI_LOADED_IMAGE* SelfLoadedImage = *SelfLoadedImagePtr;
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if ( SelfLoadedImage->DeviceHandle == NULL ) {
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*SelfLoadedImagePtr = NULL;
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return RETURN_LOAD_ERROR;
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}
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Status = gBS->HandleProtocol(SelfLoadedImage->DeviceHandle, &gEfiSimpleFileSystemProtocolGuid, (void**)SelfSimpleVolumePtr);
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if ( EFI_ERROR(Status) ) {
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*SelfSimpleVolumePtr = NULL;
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return RETURN_LOAD_ERROR;
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}
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EFI_SIMPLE_FILE_SYSTEM_PROTOCOL* SelfSimpleVolume = *SelfSimpleVolumePtr;
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Status = SelfSimpleVolume->OpenVolume(SelfSimpleVolume, SelfVolumeRootDirPtr);
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if ( EFI_ERROR(Status) ) {
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*SelfVolumeRootDirPtr = NULL;
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return RETURN_LOAD_ERROR;
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}
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EFI_FILE* SelfVolumeRootDir = *SelfVolumeRootDirPtr;
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#ifdef JIEF_DEBUG
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DBG("SelfVolumeRootDir = %lld\n", uintptr_t(SelfVolumeRootDir));
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#endif
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// find the current directory
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*CloverDirFullPathPtr = FileDevicePathToXStringW(SelfLoadedImage->FilePath);
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if ( CloverDirFullPathPtr->isEmpty() ) {
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return RETURN_LOAD_ERROR;
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}
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XStringW& CloverDirFullPath = *CloverDirFullPathPtr;
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// Do this before the next check.
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if ( !CloverDirFullPath.startWith('\\') ) {
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// Some firmware seems to not put a '\' at the begining. Do not panic anymore, just add it.
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CloverDirFullPath.insertAtPos('\\', 0);
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}
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*efiFileNamePtr = CloverDirFullPath.basename();
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#ifdef JIEF_DEBUG
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XStringW& efiFileName = *efiFileNamePtr;
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DBG("efiFileName=%ls\n", efiFileName.wc_str());
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#endif
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// History : if this Clover was started as BootX64.efi, redirect to /EFI/CLOVER
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if ( CloverDirFullPath.isEqualIC("\\EFI\\Boot\\BootX64.efi") ) { // keep getCloverDir() in sync !
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CloverDirFullPath.takeValueFrom("\\EFI\\CLOVER\\CloverX64.efi"); // keep getCloverDir() in sync !
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}
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if ( CloverDirFullPath.lastChar() == U'\\' ) { // keep getCloverDir() in sync !
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log_technical_bug("CloverDirFullPath.lastChar() == U'\\'"); // Just to see if that happens.
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CloverDirFullPath.deleteCharsAtPos(CloverDirFullPath.length()-1, 1);
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}
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size_t i = CloverDirFullPath.rindexOf(U'\\', SIZE_T_MAX-1); // keep getCloverDir() in sync !
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if ( i != SIZE_T_MAX && i > 0 ) CloverDirFullPath.deleteCharsAtPos(i, SIZE_T_MAX); // keep getCloverDir() in sync !
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#ifdef JIEF_DEBUG
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DBG("SelfDirPath = %ls\n", CloverDirFullPath.wc_str());
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#endif
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Status = SelfVolumeRootDir->Open(SelfVolumeRootDir, CloverDirPtr, CloverDirFullPath.wc_str(), EFI_FILE_MODE_READ, 0);
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if ( EFI_ERROR(Status) ) {
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*CloverDirPtr = NULL;
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return RETURN_LOAD_ERROR;
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}
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#ifdef JIEF_DEBUG
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EFI_FILE* CloverDir = *CloverDirPtr;
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DBG("CloverDir = %lld\n", uintptr_t(CloverDir));
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#endif
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return EFI_SUCCESS;
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}
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const EFI_FILE_PROTOCOL* Self::getCloverDirAndEfiFileName(EFI_HANDLE ImageHandle, XStringW* efiFileName)
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{
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EFI_LOADED_IMAGE* SelfLoadedImage; // this efi.
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EFI_SIMPLE_FILE_SYSTEM_PROTOCOL* SelfSimpleVolume; // Volume containing this efi.
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EFI_FILE* SelfVolumeRootDir; // Root dir of the volume containing this efi.
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XStringW CloverDirFullPath; // full path of folder containing this efi.
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EFI_FILE* CloverDir; // opened folder containing this efi
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/*EFI_STATUS Status = */__initialize(ImageHandle, &SelfLoadedImage, &SelfSimpleVolume, &SelfVolumeRootDir, &CloverDirFullPath, efiFileName, &CloverDir);
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if ( efiFileName->isEmpty() ) {
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if ( CloverDir != NULL ) CloverDir->Close(CloverDir);
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return NULL;
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}
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return CloverDir;
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}
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Self self;
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constexpr const LStringW THEMES_DIRNAME = L"Themes"_XSW;
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EFI_STATUS Self::_openDir(const XStringW& path, bool* b, EFI_FILE** efiDir)
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{
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EFI_STATUS Status;
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Status = m_CloverDir->Open(m_CloverDir, efiDir, path.wc_str(), EFI_FILE_MODE_READ, 0);
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if ( EFI_ERROR(Status) ) {
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DBG("Error when opening dir '%ls\\%ls' : %s\n", m_CloverDirFullPath.wc_str(), path.wc_str(), efiStrError(Status));
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*efiDir = NULL;
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*b = false;
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}else{
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*b = true;
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}
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return Status;
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}
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EFI_STATUS Self::_initialize()
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{
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// EFI_STATUS Status;
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/*Status = */__initialize(m_SelfImageHandle, &m_SelfLoadedImage, &m_SelfSimpleVolume, &m_SelfVolumeRootDir, &m_CloverDirFullPath, &m_efiFileName, &m_CloverDir);
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if ( m_SelfLoadedImage == NULL ) log_technical_bug("Cannot get SelfLoadedImage");
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if ( m_SelfLoadedImage->DeviceHandle == NULL ) log_technical_bug("m_SelfLoadedImage->DeviceHandle == NULL");
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if ( m_SelfSimpleVolume == NULL ) log_technical_bug("Cannot get m_SelfSimpleVolume");
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if ( m_SelfVolumeRootDir == NULL ) log_technical_bug("Cannot get m_SelfVolumeRootDir");
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if ( m_CloverDirFullPath.isEmpty() ) log_technical_bug("Cannot get m_CloverDirFullPath");
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if ( m_efiFileName.isEmpty() ) log_technical_bug("Cannot get m_efiFileName");
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if ( m_CloverDir == NULL ) panic("Cannot open getSelfRootDir()"); // We have to panic, nothing would work without m_CloverDir
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m_SelfDevicePath = NULL;
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if ( m_SelfLoadedImage && m_SelfLoadedImage->DeviceHandle ) {
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m_SelfDevicePath = FileDevicePath(m_SelfLoadedImage->DeviceHandle, m_CloverDirFullPath + '\\' + m_efiFileName);
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}
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if ( m_SelfDevicePath == NULL ) {
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log_technical_bug("m_SelfDevicePath == NULL"); // not sure what can work without m_SelfDevicePath
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}else{
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#ifdef JIEF_DEBUG
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DBG("Self DevicePath()=%ls @%llX\n", FileDevicePathToXStringW(m_SelfDevicePath).wc_str(), (uintptr_t)m_SelfLoadedImage->DeviceHandle);
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#endif
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}
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// m_SelfDevicePathAsXStringW = FileDevicePathToXStringW(m_SelfDevicePath);
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_openDir(THEMES_DIRNAME, &m_ThemesDirExists, &m_ThemesDir); // don't need to check returned status as it's ok to not have a themes dir.
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return EFI_SUCCESS;
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//
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//
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// Status = gBS->HandleProtocol(m_SelfImageHandle, &gEfiLoadedImageProtocolGuid, (void **)&m_SelfLoadedImage);
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// if ( EFI_ERROR(Status) ) panic("Cannot get SelfLoadedImage"); // We have to panic, nothing would work without m_CloverDir, and m_SelfImageHandle is needed to get it
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// if ( m_SelfLoadedImage->DeviceHandle == NULL ) panic("m_SelfLoadedImage->DeviceHandle == NULL"); // We have to panic, nothing would work without m_CloverDir, and m_SelfLoadedImage->DeviceHandle is needed to get it
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// m_SelfDevicePath = DuplicateDevicePath(DevicePathFromHandle(m_SelfLoadedImage->DeviceHandle));
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// if ( m_SelfDevicePath == NULL ) {
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// log_technical_bug("m_SelfDevicePath == NULL"); // not sure what can work without m_SelfDevicePath
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// }
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//
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//#ifdef JIEF_DEBUG
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// DBG("Self DevicePath()=%ls @%llX\n", FileDevicePathToXStringW(m_SelfDevicePath).wc_str(), (uintptr_t)m_SelfLoadedImage->DeviceHandle);
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//#endif
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//
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// Status = gBS->HandleProtocol(m_SelfLoadedImage->DeviceHandle, &gEfiSimpleFileSystemProtocolGuid, (void**)&m_SelfSimpleVolume);
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// if ( EFI_ERROR(Status) ) panic("Cannot get m_SelfSimpleVolume"); // We have to panic, nothing would work without m_CloverDir, and m_SelfSimpleVolume is needed to get it
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// Status = m_SelfSimpleVolume->OpenVolume(m_SelfSimpleVolume, &m_SelfVolumeRootDir);
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// if ( EFI_ERROR(Status) ) panic("Cannot get m_SelfVolumeRootDir"); // We have to panic, nothing would work without m_CloverDir, and m_SelfVolumeRootDir is needed to get it
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//
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//#ifdef JIEF_DEBUG
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// DBG("m_SelfVolumeRootDir = %lld\n", uintptr_t(m_SelfVolumeRootDir));
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//#endif
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//
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// // find the current directory
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// m_CloverDirFullPath = FileDevicePathToXStringW(m_SelfLoadedImage->FilePath);
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//
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// // Do this before the next check.
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// if ( !m_CloverDirFullPath.startWith('\\') ) {
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// //CHAR16* f = ConvertDevicePathToText(m_SelfLoadedImage->FilePath, TRUE, TRUE);
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// //panic("Bad format for m_CloverDirFullPath(%ls). It must start with a '\\'.\nConvertDevicePathToText=%ls", m_CloverDirFullPath.wc_str(), f);
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// //
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// // Some firmware seems to not put a '\' at the begining. Do not panic anymore, just add it.
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// m_CloverDirFullPath.insertAtPos('\\', 0);
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// }
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//
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// m_efiFileName = m_CloverDirFullPath.basename();
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//#ifdef JIEF_DEBUG
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// DBG("m_efiFileName=%ls\n", m_efiFileName.wc_str());
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//#endif
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//
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// // Code to find m_CloverDirFullPath is duplicated in BootLog.cpp in case USE_SELF_INSTANCE is not defined
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//
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// // History : if this Clover was started as BootX64.efi, redirect to /EFI/CLOVER
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// if ( m_CloverDirFullPath.isEqualIC("\\EFI\\Boot\\BootX64.efi") ) { // keep getCloverDir() in sync !
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// m_CloverDirFullPath.takeValueFrom("\\EFI\\CLOVER\\CloverX64.efi"); // keep getCloverDir() in sync !
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// }
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// if ( m_CloverDirFullPath.isEmpty() ) log_technical_bug("m_CloverDirFullPath.isEmpty()");
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// m_SelfDevicePath = FileDevicePath(m_SelfLoadedImage->DeviceHandle, m_CloverDirFullPath);
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//// m_SelfDevicePathAsXStringW = FileDevicePathToXStringW(m_SelfDevicePath);
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//
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// if ( m_CloverDirFullPath.lastChar() == U'\\' ) { // keep getCloverDir() in sync !
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// log_technical_bug("m_CloverDirFullPath.lastChar() == U'\\'"); // Just to see if that happens.
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// m_CloverDirFullPath.deleteCharsAtPos(m_CloverDirFullPath.length()-1, 1);
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// }
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//
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// size_t i = m_CloverDirFullPath.rindexOf(U'\\', SIZE_T_MAX-1); // keep getCloverDir() in sync !
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// if ( i != SIZE_T_MAX && i > 0 ) m_CloverDirFullPath.deleteCharsAtPos(i, SIZE_T_MAX); // keep getCloverDir() in sync !
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//
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//#ifdef JIEF_DEBUG
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// DBG("SelfDirPath = %ls\n", m_CloverDirFullPath.wc_str());
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//#endif
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// Status = m_SelfVolumeRootDir->Open(m_SelfVolumeRootDir, &m_CloverDir, m_CloverDirFullPath.wc_str(), EFI_FILE_MODE_READ, 0);
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// if ( EFI_ERROR(Status) ) panic("Cannot open getSelfRootDir()"); // We have to panic, nothing would work without m_CloverDir
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//#ifdef JIEF_DEBUG
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// DBG("m_CloverDir = %lld\n", uintptr_t(m_CloverDir));
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//#endif
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//
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//
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// _openDir(THEMES_DIRNAME, &m_ThemesDirExists, &m_ThemesDir); // don't need to check returned status as it's ok to not have a themes dir.
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//
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// return EFI_SUCCESS;
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}
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EFI_STATUS Self::initialize(EFI_HANDLE ImageHandle)
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{
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m_SelfImageHandle = ImageHandle;
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return _initialize();
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}
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EFI_STATUS Self::reInitialize()
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{
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closeHandle();
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return _initialize();
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}
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void Self::closeHandle(void)
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{
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// called before running external programs to close open file handles
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if (m_CloverDir != NULL) {
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m_CloverDir->Close(m_CloverDir);
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m_CloverDir = NULL;
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}
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if (m_SelfVolumeRootDir != NULL) {
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m_SelfVolumeRootDir->Close(m_SelfVolumeRootDir);
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m_SelfVolumeRootDir = NULL;
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}
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}
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