mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-25 16:37:42 +01:00
131 lines
4.1 KiB
C++
131 lines
4.1 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 "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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Self self;
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constexpr const LStringW THEMES_DIRNAME(L"Themes");
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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 = gBS->HandleProtocol(m_SelfImageHandle, &gEfiLoadedImageProtocolGuid, (void **)&m_SelfLoadedImage);
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if ( EFI_ERROR(Status) ) panic("Cannot get SelfLoadedImage");
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if ( m_SelfLoadedImage->DeviceHandle == NULL ) panic("m_SelfLoadedImage->DeviceHandle == NULL");
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m_SelfDevicePath = DuplicateDevicePath(DevicePathFromHandle(m_SelfLoadedImage->DeviceHandle));
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if ( m_SelfDevicePath == NULL ) panic("m_SelfDevicePath == NULL");
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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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Status = gBS->HandleProtocol(m_SelfLoadedImage->DeviceHandle, &gEfiSimpleFileSystemProtocolGuid, (void**)&m_SelfSimpleVolume);
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if ( EFI_ERROR(Status) ) panic("Cannot get m_SelfSimpleVolume");
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Status = m_SelfSimpleVolume->OpenVolume(m_SelfSimpleVolume, &m_SelfVolumeRootDir);
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if ( EFI_ERROR(Status) ) panic("Cannot get m_SelfRootDir");
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// find the current directory
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m_CloverDirFullPath = FileDevicePathToXStringW(m_SelfLoadedImage->FilePath);
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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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// Somefirmware 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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m_efiFileName = m_CloverDirFullPath.basename();
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// History : if this Clover was started as BootX64.efi, redirect to /EFI/CLOVER
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if ( m_CloverDirFullPath.equalIC("\\EFI\\Boot\\BootX64.efi") ) {
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m_CloverDirFullPath.takeValueFrom("\\EFI\\CLOVER\\CloverX64.efi");
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}
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if ( m_CloverDirFullPath.isEmpty() ) panic("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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if ( m_CloverDirFullPath.lastChar() == U'\\' ) panic("m_CloverDirFullPath.lastChar() == U'\\'");
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//if ( m_CloverDirFullPath.endsWith('\\') ) panic("m_CloverDirFullPath.endsWith('\\')");
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size_t i = m_CloverDirFullPath.rindexOf(U'\\', SIZE_T_MAX-1);
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if ( i != SIZE_T_MAX && i > 0 ) m_CloverDirFullPath.deleteCharsAtPos(i, SIZE_T_MAX);
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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()");
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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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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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