mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-27 16:58:09 +01:00
124 lines
2.6 KiB
C
124 lines
2.6 KiB
C
/** @file
|
|
|
|
Central logging module.
|
|
Dispatches logs to defined loggers.
|
|
Loggers can be enabled/disabled by PRINT_TO_* definitions in Common.h.
|
|
|
|
By dmazar, 26/09/2012
|
|
|
|
**/
|
|
|
|
#include <Library/UefiLib.h>
|
|
#include <Library/BaseMemoryLib.h>
|
|
#include <Library/MemoryAllocationLib.h>
|
|
#include <Library/UefiBootServicesTableLib.h>
|
|
#include <Library/PrintLib.h>
|
|
#include <Library/DebugLib.h>
|
|
|
|
#include "Common.h"
|
|
#include "MemLog.h"
|
|
|
|
|
|
/** The size of buffer for one log line. */
|
|
#define LOG_LINE_BUFFER_SIZE 1024
|
|
|
|
/** Buffer for one log line. */
|
|
CHAR8 *gLogLineBuffer = NULL;
|
|
|
|
#if LOG_TO_FILE >= 1
|
|
/** Pool for log into memory. */
|
|
static MEM_LOG gMemLog;
|
|
#endif
|
|
|
|
|
|
/** Prints log messages to outputs defined by PRINT_TO_* defs in Common.h. */
|
|
VOID
|
|
EFIAPI
|
|
LogPrint(CHAR8 *Format, ...)
|
|
{
|
|
VA_LIST Marker;
|
|
UINTN DataWritten;
|
|
|
|
if (gLogLineBuffer == NULL) {
|
|
gLogLineBuffer = AllocateRuntimePool(LOG_LINE_BUFFER_SIZE);
|
|
if (gLogLineBuffer == NULL) {
|
|
return;
|
|
}
|
|
*gLogLineBuffer='\0';
|
|
}
|
|
|
|
// Safety check to avoid some cases where LogPrint may be run recursively
|
|
if (*gLogLineBuffer != '\0') {
|
|
return;
|
|
}
|
|
*gLogLineBuffer = '!'; // Make buffer "dirty" to indicate we are using it
|
|
|
|
//
|
|
// Print log to buffer
|
|
//
|
|
VA_START (Marker, Format);
|
|
DataWritten = AsciiVSPrint(
|
|
gLogLineBuffer,
|
|
LOG_LINE_BUFFER_SIZE,
|
|
Format,
|
|
Marker);
|
|
VA_END (Marker);
|
|
|
|
if (DataWritten > 0) {
|
|
//
|
|
// Dispatch to various loggers
|
|
//
|
|
#if LOG_TO_SCREEN == 1
|
|
#if CAPTURE_CONSOLE_OUTPUT >= 1
|
|
// Print to screen only if not invoked from our OutputString() override
|
|
if (InBootServices && !InConsolePrint) {
|
|
InConsolePrint = TRUE;
|
|
AsciiPrint(gLogLineBuffer);
|
|
InConsolePrint = FALSE;
|
|
}
|
|
#else
|
|
if (InBootServices) {
|
|
AsciiPrint(gLogLineBuffer);
|
|
}
|
|
#endif
|
|
#endif
|
|
|
|
#if LOG_TO_SERIAL >= 1
|
|
#if (CAPTURE_CONSOLE_OUTPUT >= 1) && (LOG_TO_SERIAL == 1)
|
|
// Print to serial only if not invoked from our OutputString() override
|
|
if (!InBootServices || !InConsolePrint) {
|
|
DebugPrint(1, gLogLineBuffer);
|
|
}
|
|
#else
|
|
DebugPrint(1, gLogLineBuffer);
|
|
#endif
|
|
#endif
|
|
|
|
#if LOG_TO_FILE >= 1
|
|
if (InBootServices) {
|
|
MemLogPrint(&gMemLog, gLogLineBuffer);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
*gLogLineBuffer = '\0';
|
|
}
|
|
|
|
|
|
/** Called when ExitBootServices() is executed to give loggers a chance
|
|
* to use boot services (to save log to file for example).
|
|
*/
|
|
VOID
|
|
LogOnExitBootServices(VOID)
|
|
{
|
|
#if LOG_TO_FILE >= 1
|
|
EFI_STATUS Status;
|
|
|
|
Status = MemLogSave(&gMemLog);
|
|
if (EFI_ERROR(Status)) {
|
|
Print(L"ERROR saving log to a file: %r\n", Status);
|
|
gBS->Stall(3000000);
|
|
}
|
|
#endif
|
|
}
|