mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-17 15:18:06 +01:00
455 lines
13 KiB
C
455 lines
13 KiB
C
/** @file
|
|
PEI debug lib instance base on gEdkiiDebugPpiGuid to save PEIM size.
|
|
|
|
Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
|
|
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#include <PiPei.h>
|
|
#include <Ppi/Debug.h>
|
|
#include <Library/DebugLib.h>
|
|
#include <Library/BaseMemoryLib.h>
|
|
#include <Library/PcdLib.h>
|
|
#include <Library/PeiServicesLib.h>
|
|
#include <Library/DebugPrintErrorLevelLib.h>
|
|
#include <Library/BaseLib.h>
|
|
|
|
/**
|
|
Prints a debug message to the debug output device if the specified
|
|
error level is enabled.
|
|
|
|
If any bit in ErrorLevel is also set in DebugPrintErrorLevelLib function
|
|
GetDebugPrintErrorLevel (), then print the message specified by Format and
|
|
the associated variable argument list to the debug output device.
|
|
|
|
If Format is NULL, then ASSERT().
|
|
|
|
@param ErrorLevel The error level of the debug message.
|
|
@param Format Format string for the debug message to print.
|
|
@param ... Variable argument list whose contents are accessed
|
|
based on the format string specified by Format.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
DebugPrint (
|
|
IN UINTN ErrorLevel,
|
|
IN CONST CHAR8 *Format,
|
|
...
|
|
)
|
|
{
|
|
VA_LIST Marker;
|
|
|
|
VA_START (Marker, Format);
|
|
DebugVPrint (ErrorLevel, Format, Marker);
|
|
VA_END (Marker);
|
|
}
|
|
|
|
|
|
/**
|
|
Prints a debug message to the debug output device if the specified
|
|
error level is enabled.
|
|
This function use BASE_LIST which would provide a more compatible
|
|
service than VA_LIST.
|
|
|
|
If any bit in ErrorLevel is also set in DebugPrintErrorLevelLib function
|
|
GetDebugPrintErrorLevel (), then print the message specified by Format and
|
|
the associated variable argument list to the debug output device.
|
|
|
|
If Format is NULL, then ASSERT().
|
|
|
|
@param ErrorLevel The error level of the debug message.
|
|
@param Format Format string for the debug message to print.
|
|
@param BaseListMarker BASE_LIST marker for the variable argument list.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
DebugBPrint (
|
|
IN UINTN ErrorLevel,
|
|
IN CONST CHAR8 *Format,
|
|
IN BASE_LIST BaseListMarker
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
EDKII_DEBUG_PPI *DebugPpi;
|
|
|
|
//
|
|
// If Format is NULL, then ASSERT().
|
|
//
|
|
ASSERT (Format != NULL);
|
|
|
|
//
|
|
// Check driver Debug Level value and global debug level
|
|
//
|
|
if ((ErrorLevel & GetDebugPrintErrorLevel ()) == 0) {
|
|
return;
|
|
}
|
|
|
|
Status = PeiServicesLocatePpi (
|
|
&gEdkiiDebugPpiGuid,
|
|
0,
|
|
NULL,
|
|
(VOID **)&DebugPpi
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
return;
|
|
}
|
|
|
|
DebugPpi->DebugBPrint (
|
|
ErrorLevel,
|
|
Format,
|
|
BaseListMarker
|
|
);
|
|
}
|
|
|
|
|
|
/**
|
|
Worker function that convert a VA_LIST to a BASE_LIST based on a
|
|
Null-terminated format string.
|
|
|
|
@param Format Null-terminated format string.
|
|
@param VaListMarker VA_LIST style variable argument list consumed
|
|
by processing Format.
|
|
@param BaseListMarker BASE_LIST style variable argument list consumed
|
|
by processing Format.
|
|
@param Size The size, in bytes, of the BaseListMarker buffer.
|
|
|
|
@return TRUE The VA_LIST has been converted to BASE_LIST.
|
|
@return FALSE The VA_LIST has not been converted to BASE_LIST.
|
|
|
|
**/
|
|
BOOLEAN
|
|
VaListToBaseList (
|
|
IN CONST CHAR8 *Format,
|
|
IN VA_LIST VaListMarker,
|
|
OUT BASE_LIST BaseListMarker,
|
|
IN UINTN Size
|
|
)
|
|
{
|
|
BASE_LIST BaseListStart;
|
|
BOOLEAN Long;
|
|
|
|
ASSERT (Format != NULL);
|
|
|
|
ASSERT (BaseListMarker != NULL);
|
|
|
|
BaseListStart = BaseListMarker;
|
|
|
|
for (; *Format != '\0'; Format++) {
|
|
//
|
|
// Only format with prefix % is processed.
|
|
//
|
|
if (*Format != '%') {
|
|
continue;
|
|
}
|
|
|
|
Long = FALSE;
|
|
|
|
//
|
|
// Parse Flags and Width
|
|
//
|
|
for (Format++; TRUE; Format++) {
|
|
if (*Format == '.' || *Format == '-' || *Format == '+' || *Format == ' ') {
|
|
//
|
|
// These characters in format field are omitted.
|
|
//
|
|
continue;
|
|
}
|
|
if (*Format >= '0' && *Format <= '9') {
|
|
//
|
|
// These characters in format field are omitted.
|
|
//
|
|
continue;
|
|
}
|
|
if (*Format == 'L' || *Format == 'l') {
|
|
//
|
|
// 'L" or "l" in format field means the number being printed is a UINT64
|
|
//
|
|
Long = TRUE;
|
|
continue;
|
|
}
|
|
if (*Format == '*') {
|
|
//
|
|
// '*' in format field means the precision of the field is specified by
|
|
// a UINTN argument in the argument list.
|
|
//
|
|
BASE_ARG (BaseListMarker, UINTN) = VA_ARG (VaListMarker, UINTN);
|
|
continue;
|
|
}
|
|
if (*Format == '\0') {
|
|
//
|
|
// Make no output if Format string terminates unexpectedly when
|
|
// looking up for flag, width, precision and type.
|
|
//
|
|
Format--;
|
|
}
|
|
//
|
|
// When valid argument type detected or format string terminates unexpectedly,
|
|
// the inner loop is done.
|
|
//
|
|
break;
|
|
}
|
|
|
|
//
|
|
// Pack variable arguments into the storage area following EFI_DEBUG_INFO.
|
|
//
|
|
if ((*Format == 'p') && (sizeof (VOID *) > 4)) {
|
|
Long = TRUE;
|
|
}
|
|
if (*Format == 'p' || *Format == 'X' || *Format == 'x' || *Format == 'd' || *Format == 'u') {
|
|
if (Long) {
|
|
BASE_ARG (BaseListMarker, INT64) = VA_ARG (VaListMarker, INT64);
|
|
} else {
|
|
BASE_ARG (BaseListMarker, int) = VA_ARG (VaListMarker, int);
|
|
}
|
|
} else if (*Format == 's' || *Format == 'S' || *Format == 'a' || *Format == 'g' || *Format == 't') {
|
|
BASE_ARG (BaseListMarker, VOID *) = VA_ARG (VaListMarker, VOID *);
|
|
} else if (*Format == 'c') {
|
|
BASE_ARG (BaseListMarker, UINTN) = VA_ARG (VaListMarker, UINTN);
|
|
} else if (*Format == 'r') {
|
|
BASE_ARG (BaseListMarker, RETURN_STATUS) = VA_ARG (VaListMarker, RETURN_STATUS);
|
|
}
|
|
|
|
//
|
|
// If the converted BASE_LIST is larger than the size of BaseListMarker, then return FALSE
|
|
//
|
|
if (((UINTN)BaseListMarker - (UINTN)BaseListStart) > Size) {
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/**
|
|
Prints a debug message to the debug output device if the specified
|
|
error level is enabled.
|
|
|
|
If any bit in ErrorLevel is also set in DebugPrintErrorLevelLib function
|
|
GetDebugPrintErrorLevel (), then print the message specified by Format and
|
|
the associated variable argument list to the debug output device.
|
|
|
|
If Format is NULL, then ASSERT().
|
|
|
|
@param ErrorLevel The error level of the debug message.
|
|
@param Format Format string for the debug message to print.
|
|
@param VaListMarker VA_LIST marker for the variable argument list.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
DebugVPrint (
|
|
IN UINTN ErrorLevel,
|
|
IN CONST CHAR8 *Format,
|
|
IN VA_LIST VaListMarker
|
|
)
|
|
{
|
|
UINT64 BaseListMarker[256 / sizeof (UINT64)];
|
|
BOOLEAN Converted;
|
|
|
|
//
|
|
// Convert the VaList to BaseList
|
|
//
|
|
Converted = VaListToBaseList (
|
|
Format,
|
|
VaListMarker,
|
|
(BASE_LIST)BaseListMarker,
|
|
sizeof (BaseListMarker) - 8
|
|
);
|
|
|
|
if (!Converted) {
|
|
return;
|
|
}
|
|
|
|
DebugBPrint (ErrorLevel, Format, (BASE_LIST)BaseListMarker);
|
|
}
|
|
|
|
|
|
/**
|
|
Prints an assert message containing a filename, line number, and description.
|
|
This may be followed by a breakpoint or a dead loop.
|
|
|
|
Print a message of the form "ASSERT <FileName>(<LineNumber>): <Description>\n"
|
|
to the debug output device. If DEBUG_PROPERTY_ASSERT_BREAKPOINT_ENABLED bit of
|
|
PcdDebugProperyMask is set then CpuBreakpoint() is called. Otherwise, if
|
|
DEBUG_PROPERTY_ASSERT_DEADLOOP_ENABLED bit of PcdDebugProperyMask is set then
|
|
CpuDeadLoop() is called. If neither of these bits are set, then this function
|
|
returns immediately after the message is printed to the debug output device.
|
|
DebugAssert() must actively prevent recursion. If DebugAssert() is called while
|
|
processing another DebugAssert(), then DebugAssert() must return immediately.
|
|
|
|
If FileName is NULL, then a <FileName> string of "(NULL) Filename" is printed.
|
|
If Description is NULL, then a <Description> string of "(NULL) Description" is printed.
|
|
|
|
@param FileName The pointer to the name of the source file that generated the assert condition.
|
|
@param LineNumber The line number in the source file that generated the assert condition
|
|
@param Description The pointer to the description of the assert condition.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
DebugAssert (
|
|
IN CONST CHAR8 *FileName,
|
|
IN UINTN LineNumber,
|
|
IN CONST CHAR8 *Description
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
EDKII_DEBUG_PPI *DebugPpi;
|
|
|
|
Status = PeiServicesLocatePpi (
|
|
&gEdkiiDebugPpiGuid,
|
|
0,
|
|
NULL,
|
|
(VOID **)&DebugPpi
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
//
|
|
// Generate a Breakpoint, DeadLoop, or NOP based on PCD settings
|
|
//
|
|
if ((PcdGet8 (PcdDebugPropertyMask) & DEBUG_PROPERTY_ASSERT_BREAKPOINT_ENABLED) != 0) {
|
|
CpuBreakpoint ();
|
|
} else if ((PcdGet8 (PcdDebugPropertyMask) & DEBUG_PROPERTY_ASSERT_DEADLOOP_ENABLED) != 0) {
|
|
CpuDeadLoop ();
|
|
}
|
|
} else {
|
|
DebugPpi->DebugAssert (
|
|
FileName,
|
|
LineNumber,
|
|
Description
|
|
);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
Fills a target buffer with PcdDebugClearMemoryValue, and returns the target buffer.
|
|
|
|
This function fills Length bytes of Buffer with the value specified by
|
|
PcdDebugClearMemoryValue, and returns Buffer.
|
|
|
|
If Buffer is NULL, then ASSERT().
|
|
If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
|
|
|
|
@param Buffer The pointer to the target buffer to be filled with PcdDebugClearMemoryValue.
|
|
@param Length The number of bytes in Buffer to fill with zeros PcdDebugClearMemoryValue.
|
|
|
|
@return Buffer The pointer to the target buffer filled with PcdDebugClearMemoryValue.
|
|
|
|
**/
|
|
VOID *
|
|
EFIAPI
|
|
DebugClearMemory (
|
|
OUT VOID *Buffer,
|
|
IN UINTN Length
|
|
)
|
|
{
|
|
ASSERT (Buffer != NULL);
|
|
|
|
return SetMem (Buffer, Length, PcdGet8 (PcdDebugClearMemoryValue));
|
|
}
|
|
|
|
|
|
/**
|
|
Returns TRUE if ASSERT() macros are enabled.
|
|
|
|
This function returns TRUE if the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of
|
|
PcdDebugProperyMask is set. Otherwise, FALSE is returned.
|
|
|
|
@retval TRUE The DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugProperyMask is set.
|
|
@retval FALSE The DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugProperyMask is clear.
|
|
|
|
**/
|
|
BOOLEAN
|
|
EFIAPI
|
|
DebugAssertEnabled (
|
|
VOID
|
|
)
|
|
{
|
|
return (BOOLEAN) ((PcdGet8 (PcdDebugPropertyMask) & DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED) != 0);
|
|
}
|
|
|
|
|
|
/**
|
|
Returns TRUE if DEBUG() macros are enabled.
|
|
|
|
This function returns TRUE if the DEBUG_PROPERTY_DEBUG_PRINT_ENABLED bit of
|
|
PcdDebugProperyMask is set. Otherwise, FALSE is returned.
|
|
|
|
@retval TRUE The DEBUG_PROPERTY_DEBUG_PRINT_ENABLED bit of PcdDebugProperyMask is set.
|
|
@retval FALSE The DEBUG_PROPERTY_DEBUG_PRINT_ENABLED bit of PcdDebugProperyMask is clear.
|
|
|
|
**/
|
|
BOOLEAN
|
|
EFIAPI
|
|
DebugPrintEnabled (
|
|
VOID
|
|
)
|
|
{
|
|
return (BOOLEAN) ((PcdGet8 (PcdDebugPropertyMask) & DEBUG_PROPERTY_DEBUG_PRINT_ENABLED) != 0);
|
|
}
|
|
|
|
|
|
/**
|
|
Returns TRUE if DEBUG_CODE() macros are enabled.
|
|
|
|
This function returns TRUE if the DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of
|
|
PcdDebugProperyMask is set. Otherwise, FALSE is returned.
|
|
|
|
@retval TRUE The DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of PcdDebugProperyMask is set.
|
|
@retval FALSE The DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of PcdDebugProperyMask is clear.
|
|
|
|
**/
|
|
BOOLEAN
|
|
EFIAPI
|
|
DebugCodeEnabled (
|
|
VOID
|
|
)
|
|
{
|
|
return (BOOLEAN) ((PcdGet8 (PcdDebugPropertyMask) & DEBUG_PROPERTY_DEBUG_CODE_ENABLED) != 0);
|
|
}
|
|
|
|
|
|
/**
|
|
Returns TRUE if DEBUG_CLEAR_MEMORY() macro is enabled.
|
|
|
|
This function returns TRUE if the DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED bit of
|
|
PcdDebugProperyMask is set. Otherwise, FALSE is returned.
|
|
|
|
@retval TRUE The DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED bit of PcdDebugProperyMask is set.
|
|
@retval FALSE The DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED bit of PcdDebugProperyMask is clear.
|
|
|
|
**/
|
|
BOOLEAN
|
|
EFIAPI
|
|
DebugClearMemoryEnabled (
|
|
VOID
|
|
)
|
|
{
|
|
return (BOOLEAN) ((PcdGet8 (PcdDebugPropertyMask) & DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED) != 0);
|
|
}
|
|
|
|
|
|
/**
|
|
Returns TRUE if any one of the bit is set both in ErrorLevel and PcdFixedDebugPrintErrorLevel.
|
|
|
|
This function compares the bit mask of ErrorLevel and PcdFixedDebugPrintErrorLevel.
|
|
|
|
@retval TRUE Current ErrorLevel is supported.
|
|
@retval FALSE Current ErrorLevel is not supported.
|
|
|
|
**/
|
|
BOOLEAN
|
|
EFIAPI
|
|
DebugPrintLevelEnabled (
|
|
IN CONST UINTN ErrorLevel
|
|
)
|
|
{
|
|
return (BOOLEAN) ((ErrorLevel & PcdGet32(PcdFixedDebugPrintErrorLevel)) != 0);
|
|
}
|
|
|