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https://github.com/CloverHackyColor/CloverBootloader.git
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c0fa72e2ed
Do not depend on Self instance for opening log file. Rework on Self to share code with BootLog.cpp.
358 lines
10 KiB
C++
358 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 "../Platform/DataHubCpu.h"
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#include "../Platform/Settings.h"
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#include "../Settings/Self.h"
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#include "../Platform/guid.h"
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#ifndef DEBUG_ALL
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#define DEBUG_BOOTLOG 0
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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 XStringW debugLogFileName;
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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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int g_OpeningLogFile = 0;
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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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/*
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* Use (or not) self.getCloverDir() to open log file.
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* Not using self has the advantage of being able to generate a log even after uninitreflib().
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* The only thing needed is gImageHandle. But because it's a parameter to main entry point, value can't be wrong.
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* Drawback is that code to find current working directory has to be duplicated.
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*/
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//#define USE_SELF_INSTANCE
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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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#ifdef USE_SELF_INSTANCE
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if ( !self.isInitialized() ) return 0;
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#endif
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g_OpeningLogFile = 1;
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EFI_TIME Now;
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Status = gRT->GetTime(&Now, NULL);
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if ( EFI_ERROR(Status) ) {
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DBG("GetTime return %s\n", efiStrError(Status));
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}
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#ifdef USE_SELF_INSTANCE
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const EFI_FILE_PROTOCOL& CloverDir = self.getCloverDir();
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const XString& efiFileName = self.getCloverEfiFileName();
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#else
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XStringW efiFileName;
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const EFI_FILE_PROTOCOL* CloverDirPtr = Self::getCloverDirAndEfiFileName(gImageHandle, &efiFileName);
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if ( CloverDirPtr == NULL ) return 0;
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const EFI_FILE_PROTOCOL& CloverDir = *CloverDirPtr;
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#endif
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if ( debugLogFileName.isEmpty() )
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{
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debugLogFileName = S8Printf("misc\\%04d-%02d-%02d_%02d-%02d_%ls.log", Now.Year, Now.Month, Now.Day, Now.Hour, Now.Minute, efiFileName.wc_str());
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Status = CloverDir.Open(&CloverDir, &LogFile, debugLogFileName.wc_str(), EFI_FILE_MODE_READ, 0);
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if ( !EFI_ERROR(Status) ) LogFile->Close(LogFile); // DO NOT modify Status here.
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INTN i=1;
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while ( Status != EFI_NOT_FOUND && (i < MAX_INTN) ) {
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debugLogFileName = S8Printf("misc\\%04d-%02d-%02d_%02d-%02d_%ls(%lld).log", Now.Year, Now.Month, Now.Day, Now.Hour, Now.Minute, efiFileName.wc_str(), i);
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Status = CloverDir.Open(&CloverDir, &LogFile, debugLogFileName.wc_str(), EFI_FILE_MODE_READ, 0);
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if ( !EFI_ERROR(Status) ) LogFile->Close(LogFile); // DO NOT modify Status here.
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}
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if ( Status != EFI_NOT_FOUND ) {
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DBG("Cannot find a free debug log file name\n"); // I can't imagine that to happen...
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debugLogFileName.setEmpty(); // To allow to retry at the next call
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g_OpeningLogFile = 0;
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return 0;
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}
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Status = CloverDir.Open(&CloverDir, &LogFile, debugLogFileName.wc_str(), EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE | EFI_FILE_MODE_CREATE, 0);
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gLogFile = LogFile;
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g_OpeningLogFile = 0;
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return 0;
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}else{
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Status = CloverDir.Open(&CloverDir, &LogFile, debugLogFileName.wc_str(), EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE, 0);
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g_OpeningLogFile = 0;
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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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}
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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 every time 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) && gSettings.Boot.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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void DbgHeader(CONST CHAR8 *str)
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{
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CHAR8 strLog[50];
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INTN len;
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UINTN end = snprintf(strLog, 50, "=== [ %s ] ", str);
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len = 50 - end;
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SetMem(&strLog[end], len , '=');
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strLog[49] = '\0';
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DebugLog (1, "%s\n", strLog);
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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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