mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-23 11:35:19 +01:00
349 lines
10 KiB
C++
349 lines
10 KiB
C++
/*
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* BootLog.c
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*
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*
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* Created by Slice on 19.08.11.
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* Edited by apianti 2012-09-08
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* Initial idea from Kabyl
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*/
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#include <Platform.h> // Only use angled for Platform, else, xcode project won't compile
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//#include <Library/MemLogLib.h>
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#include "DataHubCpu.h"
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#include "../Platform/Settings.h"
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#include "Self.h"
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#include "guid.h"
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#ifndef DEBUG_ALL
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#define DEBUG_BOOTLOG 1
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#else
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#define DEBUG_BOOTLOG DEBUG_ALL
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#endif
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#if DEBUG_BOOTLOG == 0
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#define DBG(...)
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#else
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#define DBG(...) DebugLog (DEBUG_BOOTLOG, __VA_ARGS__)
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#endif
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void EFIAPI MemLogCallback(IN INTN DebugMode, IN CHAR8 *LastMessage);
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/** Prints Number of bytes in a row (hex and ascii). Row size is MaxNumber. */
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void
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PrintBytesRow(IN UINT8 *Bytes, IN UINTN Number, IN UINTN MaxNumber)
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{
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UINTN Index;
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// print hex vals
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for (Index = 0; Index < Number; Index++) {
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DebugLog(1, "%02hhX ", Bytes[Index]);
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}
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// pad to MaxNumber if needed
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for (; Index < MaxNumber; Index++) {
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DebugLog(1, " ");
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}
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DebugLog(1, "| ");
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// print ASCII
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for (Index = 0; Index < Number; Index++) {
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if (Bytes[Index] >= 0x20 && Bytes[Index] <= 0x7e) {
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DebugLog(1, "%c", (CHAR16)Bytes[Index]);
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} else {
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DebugLog(1, "%c", L'.');
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}
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}
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DebugLog(1, "\n");
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}
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/** Prints series of bytes. */
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void
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PrintBytes(IN void *Bytes, IN UINTN Number)
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{
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UINTN Index;
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for (Index = 0; Index < Number; Index += 16) {
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PrintBytesRow((UINT8*)Bytes + Index, ((Index + 16 < Number) ? 16 : (Number - Index)), 16);
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}
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}
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static EFI_FILE_PROTOCOL* gLogFile = NULL;
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// Do not keep a pointer to MemLogBuffer. Because a reallocation, it could become invalid.
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// Avoid debug looping. TO be able to call DBG from inside function that DBG calls, we need to suspend callback to avoid a loop.
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// Just instanciante this, the destructor will restore the callback.
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class SuspendMemLogCallback
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{
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MEM_LOG_CALLBACK memlogCallBack_saved = NULL;
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public:
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SuspendMemLogCallback() {
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memlogCallBack_saved = GetMemLogCallback();
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SetMemLogCallback(NULL);
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};
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~SuspendMemLogCallback() { SetMemLogCallback(memlogCallBack_saved); };
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};
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#if DEBUG_BOOTLOG == 0
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#define DGB_nbCallback(...)
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#else
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#define DGB_nbCallback(...) do { SuspendMemLogCallback smc; DBG(__VA_ARGS__); } while (0)
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#endif
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void closeDebugLog()
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{
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EFI_STATUS Status;
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if ( !gLogFile ) return;
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SuspendMemLogCallback smc;
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Status = gLogFile->Close(gLogFile);
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gLogFile = NULL;
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//DGB_nbCallback("closeDebugLog() -> %s\n", efiStrError(Status));
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}
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static UINTN GetDebugLogFile()
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{
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EFI_STATUS Status;
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EFI_FILE_PROTOCOL *LogFile;
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if ( gLogFile ) return 0;
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// // get RootDir from device we are loaded from
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// Status = gBS->HandleProtocol(gImageHandle, &gEfiLoadedImageProtocolGuid, (VOID **) &LoadedImage);
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// if (EFI_ERROR(Status)) {
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// DGB_nbCallback(" GetDebugLogFile() -> HandleProtocol : %s\n", efiStrError(Status));
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// }
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// RootDir = EfiLibOpenRoot(LoadedImage->DeviceHandle);
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// if (RootDir == NULL) {
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// DGB_nbCallback(" GetDebugLogFile() -> EfiLibOpenRoot : %s\n", efiStrError(Status));
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// }
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//
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// // Open log file from current root
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// Status = RootDir->Open(RootDir, &LogFile, SWPrintf("%ls\\%ls", self.getCloverDirFullPath().wc_str(), DEBUG_LOG).wc_str(),
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// EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE, 0);
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if ( !self.isInitialized() ) return 0;
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// Open log file from current root
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Status = self.getCloverDir().Open(&self.getCloverDir(), &LogFile, DEBUG_LOG, EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE, 0);
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if ( !EFI_ERROR (Status) && GlobalConfig.ScratchDebugLogAtStart )
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{
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// Here, we may not be at the first line sent to log.
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// That's because the setting GlobalConfig.ScratchDebugLogAtStart is not set before the first log is sent.
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DGB_nbCallback("GetDebugLogFile() -> deleting the log '%ls'\n", DEBUG_LOG);
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EFI_STATUS StatusDelete;
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StatusDelete = LogFile->Delete(LogFile);
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if ( StatusDelete == EFI_SUCCESS) {
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GlobalConfig.ScratchDebugLogAtStart = false;
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Status = EFI_NOT_FOUND; // to make be reopened in the next lines.
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}else{
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DGB_nbCallback("Cannot delete log file '%ls\\%ls' : %s\n", self.getCloverDirFullPath().wc_str(), DEBUG_LOG, efiStrError(StatusDelete));
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}
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}else{
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// DGB_nbCallback(" GetDebugLogFile() -> open log : %s\n", efiStrError(Status));
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}
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// If the log file is not found try to create it
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if (Status == EFI_NOT_FOUND) {
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// Status = RootDir->Open(RootDir, &LogFile, SWPrintf("%ls\\%ls", self.getCloverDirFullPath().wc_str(), DEBUG_LOG).wc_str(), EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE | EFI_FILE_MODE_CREATE, 0);
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Status = self.getCloverDir().Open(&self.getCloverDir(), &LogFile, DEBUG_LOG, EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE | EFI_FILE_MODE_CREATE, 0);
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}
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// Jief : do we need that ?
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// if (EFI_ERROR(Status)) {
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// // try on first EFI partition
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// Status = egFindESP(&RootDir);
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// if (!EFI_ERROR(Status)) {
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// Status = RootDir->Open(RootDir, &LogFile, SWPrintf("%ls\\%ls", self.getCloverDirFullPath().wc_str(), DEBUG_LOG).wc_str(),
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// EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE, 0);
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// // If the log file is not found try to create it
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// if (Status == EFI_NOT_FOUND) {
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// Status = RootDir->Open(RootDir, &LogFile, SWPrintf("%ls\\%ls", self.getCloverDirFullPath().wc_str(), DEBUG_LOG).wc_str(),
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// EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE | EFI_FILE_MODE_CREATE, 0);
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// }
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// RootDir->Close(RootDir);
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// RootDir = NULL;
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// }
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// }
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// Jief : Instead of EfiLibFileInfo, let's use SetPosition to get the size.
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// if (!EFI_ERROR(Status)) {
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// EFI_FILE_INFO *Info = EfiLibFileInfo(LogFile);
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// if (Info) {
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// Status = LogFile->SetPosition(LogFile, Info->FileSize);
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// if ( EFI_ERROR(Status) ) {
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// DBG("SaveMessageToDebugLogFile SetPosition error %s\n", efiStrError(Status));
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// }
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// }
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// }
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if (!EFI_ERROR(Status)) {
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Status = LogFile->SetPosition(LogFile, 0xFFFFFFFFFFFFFFFFULL);
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if ( EFI_ERROR (Status) ) {
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DGB_nbCallback("GetDebugLogFile() -> Cannot set log position to 0xFFFFFFFFFFFFFFFFULL : %s\n", efiStrError(Status));
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LogFile->Close(LogFile);
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}else{
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UINTN size;
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Status = LogFile->GetPosition(LogFile, &size);
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if ( EFI_ERROR (Status) ) {
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DGB_nbCallback("GetDebugLogFile() -> Cannot get log position : %s\n", efiStrError(Status));
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LogFile->Close(LogFile);
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}else{
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//DGB_nbCallback("GetDebugLogFile() -> opened. log position = %lld (lwo %lld)\n", size, lastWrittenOffset);
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gLogFile = LogFile;
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return size;
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}
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}
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}
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return 0;
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}
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VOID SaveMessageToDebugLogFile(IN CHAR8 *LastMessage)
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{
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EFI_STATUS Status;
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UINTN lastWrittenOffset = GetDebugLogFile();
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if ( gLogFile == NULL ) return;
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// Write out this message
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const char* lastWrittenPointer = GetMemLogBuffer() + lastWrittenOffset;
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UINTN TextLen = strlen(lastWrittenPointer);
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UINTN TextLen2 = TextLen;
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Status = gLogFile->Write(gLogFile, &TextLen2, lastWrittenPointer);
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lastWrittenOffset += TextLen2;
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if ( EFI_ERROR(Status) ) {
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DGB_nbCallback("SaveMessageToDebugLogFile write error %s\n", efiStrError(Status));
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closeDebugLog();
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}else{
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if ( TextLen2 != TextLen ) {
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DGB_nbCallback("SaveMessageToDebugLogFile TextLen2(%lld) != TextLen(%lld)\n", TextLen2, TextLen);
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closeDebugLog();
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}else{
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// Not all Firmware implements Flush. So we have to close everytime to force flush. Let's Close() instead of Flush()
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// Is there a performance difference ? Is it worth to create a setting ? Probably not...
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// Status = LogFile->Flush(LogFile);
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// if ( EFI_ERROR(Status) ) {
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// DGB_nbCallback("SaveMessageToDebugLogFile Cannot flush error %s\n", efiStrError(Status));
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// closeDebugLog();
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// }
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}
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}
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// Not all Firmware implements Flush. So we have to close everytime to force flush.
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closeDebugLog();
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}
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void EFIAPI MemLogCallback(IN INTN DebugMode, IN CHAR8 *LastMessage)
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{
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// Print message to console
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if (DebugMode >= 2) {
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printf("%s", LastMessage);
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}
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if ((DebugMode >= 1) && GlobalConfig.DebugLog) {
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SaveMessageToDebugLogFile(LastMessage);
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}
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}
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// Changed MsgLog(...) it now calls this function
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// with DebugMode == 0. - apianti
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// DebugMode==0 Prints to msg log, only output to log on SaveBooterLog
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// DebugMode==1 Prints to msg log and DEBUG_LOG
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// DebugMode==2 Prints to msg log, DEBUG_LOG and display console
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void EFIAPI DebugLog(IN INTN DebugMode, IN CONST CHAR8 *FormatString, ...)
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{
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VA_LIST Marker;
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//UINTN offset = 0;
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// Make sure the buffer is intact for writing
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if (FormatString == NULL || DebugMode < 0) {
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return;
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}
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// Print message to log buffer
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VA_START(Marker, FormatString);
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MemLogfVA(TRUE, DebugMode, FormatString, Marker);
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VA_END(Marker);
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}
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void InitBooterLog(void)
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{
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SetMemLogCallback(MemLogCallback);
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}
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EFI_STATUS SetupBooterLog(BOOLEAN AllowGrownSize)
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{
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EFI_STATUS Status = EFI_SUCCESS;
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CHAR8 *MemLogBuffer;
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UINTN MemLogLen;
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MemLogBuffer = GetMemLogBuffer();
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MemLogLen = GetMemLogLen();
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if (MemLogBuffer == NULL || MemLogLen == 0) {
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return EFI_NOT_FOUND;
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}
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if (MemLogLen > MEM_LOG_INITIAL_SIZE && !AllowGrownSize) {
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CHAR8 PrevChar = MemLogBuffer[MEM_LOG_INITIAL_SIZE-1];
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MemLogBuffer[MEM_LOG_INITIAL_SIZE-1] = '\0';
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Status = LogDataHub(&gEfiMiscSubClassGuid, L"boot-log", MemLogBuffer, MEM_LOG_INITIAL_SIZE);
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MemLogBuffer[MEM_LOG_INITIAL_SIZE-1] = PrevChar;
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} else {
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Status = LogDataHub(&gEfiMiscSubClassGuid, L"boot-log", MemLogBuffer, (UINT32)MemLogLen);
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}
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return Status;
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}
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// Made msgbuf and msgCursor private to this source
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// so we need a different way of saving the msg log - apianti
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EFI_STATUS SaveBooterLog(const EFI_FILE* BaseDir OPTIONAL, IN CONST CHAR16 *FileName)
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{
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CHAR8 *MemLogBuffer;
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UINTN MemLogLen;
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MemLogBuffer = GetMemLogBuffer();
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MemLogLen = GetMemLogLen();
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if (MemLogBuffer == NULL || MemLogLen == 0) {
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return EFI_NOT_FOUND;
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}
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return egSaveFile(BaseDir, FileName, (UINT8*)MemLogBuffer, MemLogLen);
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}
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/*
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* Redirection of OpenCore log to Clover Log.
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*/
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/*
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* This function is called from OpenCore when there is a DEBUG ((expression))
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* Mapping from DEBUG to DebugLogForOC is made in OpenCoreFromClover.h
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*/
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void EFIAPI DebugLogForOC(IN INTN DebugLevel, IN CONST CHAR8 *FormatString, ...)
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{
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VA_LIST Marker;
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if (FormatString == NULL ) return;
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// Print message to log buffer
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VA_START(Marker, FormatString);
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MemLogVA(TRUE, 1, FormatString, Marker);
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VA_END(Marker);
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}
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