diff options
Diffstat (limited to 'MdePkg/Library/PeiDxeDebugLibReportStatusCode/DebugLib.c')
| -rw-r--r-- | MdePkg/Library/PeiDxeDebugLibReportStatusCode/DebugLib.c | 283 |
1 files changed, 283 insertions, 0 deletions
diff --git a/MdePkg/Library/PeiDxeDebugLibReportStatusCode/DebugLib.c b/MdePkg/Library/PeiDxeDebugLibReportStatusCode/DebugLib.c new file mode 100644 index 0000000000..b06a75660f --- /dev/null +++ b/MdePkg/Library/PeiDxeDebugLibReportStatusCode/DebugLib.c @@ -0,0 +1,283 @@ +/** @file
+ Debug Library that fowards all messages to ReportStatusCode()
+
+ Copyright (c) 2006, Intel Corporation<BR>
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+
+/**
+
+ 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 PcdDebugPrintErrorLevel, 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.
+
+**/
+VOID
+EFIAPI
+DebugPrint (
+ IN UINTN ErrorLevel,
+ IN CONST CHAR8 *Format,
+ ...
+ )
+{
+ UINT64 Buffer[EFI_STATUS_CODE_DATA_MAX_SIZE / sizeof (UINT64)];
+ EFI_DEBUG_INFO *DebugInfo;
+ UINTN TotalSize;
+ UINTN Index;
+ VA_LIST Marker;
+ UINT64 *ArgumentPointer;
+
+ //
+ // If Format is NULL, then ASSERT().
+ //
+ ASSERT (Format != NULL);
+
+ //
+ // Check driver Debug Level value and global debug level
+ //
+ if ((ErrorLevel & PcdGet32(PcdDebugPrintErrorLevel)) == 0) {
+ return;
+ }
+
+ TotalSize = sizeof (EFI_DEBUG_INFO) + 12 * sizeof (UINT64) + AsciiStrLen (Format) + 1;
+ if (TotalSize > EFI_STATUS_CODE_DATA_MAX_SIZE) {
+ return;
+ }
+
+ //
+ // Then EFI_DEBUG_INFO
+ //
+ DebugInfo = (EFI_DEBUG_INFO *)Buffer;
+ DebugInfo->ErrorLevel = (UINT32)ErrorLevel;
+
+ //
+ // 256 byte mini Var Arg stack. That is followed by the format string.
+ //
+ VA_START (Marker, Format);
+ for (Index = 0, ArgumentPointer = (UINT64 *)(DebugInfo + 1); Index < 12; Index++, ArgumentPointer++) {
+ *ArgumentPointer = VA_ARG (Marker, UINT64);
+ }
+ VA_END (Marker);
+ AsciiStrCpy ((CHAR8 *)ArgumentPointer, Format);
+
+ //
+ //
+ //
+ REPORT_STATUS_CODE_WITH_EXTENDED_DATA (
+ EFI_DEBUG_CODE,
+ (EFI_SOFTWARE_DXE_BS_DRIVER | EFI_DC_UNSPECIFIED),
+ DebugInfo,
+ TotalSize
+ );
+}
+
+
+/**
+
+ 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 recusrsion. 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 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 Pointer to the description of the assert condition.
+
+**/
+VOID
+EFIAPI
+DebugAssert (
+ IN CONST CHAR8 *FileName,
+ IN UINTN LineNumber,
+ IN CONST CHAR8 *Description
+ )
+{
+ UINT64 Buffer[EFI_STATUS_CODE_DATA_MAX_SIZE / sizeof(UINT64)];
+ EFI_DEBUG_ASSERT_DATA *AssertData;
+ UINTN TotalSize;
+ CHAR8 *Temp;
+
+ //
+ // Make sure it will all fit in the passed in buffer
+ //
+ TotalSize = sizeof (EFI_DEBUG_ASSERT_DATA) + AsciiStrLen (FileName) + 1 + AsciiStrLen (Description) + 1;
+ if (TotalSize <= EFI_STATUS_CODE_DATA_MAX_SIZE) {
+ //
+ // Fill in EFI_DEBUG_ASSERT_DATA
+ //
+ AssertData = (EFI_DEBUG_ASSERT_DATA *)Buffer;
+ AssertData->LineNumber = (UINT32)LineNumber;
+
+ //
+ // Copy Ascii FileName including NULL.
+ //
+ Temp = AsciiStrCpy ((CHAR8 *)(AssertData + 1), FileName);
+
+ //
+ // Copy Ascii Description
+ //
+ AsciiStrCpy (Temp + AsciiStrLen(FileName) + 1, Description);
+
+ REPORT_STATUS_CODE_WITH_EXTENDED_DATA (
+ (EFI_ERROR_CODE | EFI_ERROR_UNRECOVERED),
+ (EFI_SOFTWARE_DXE_BS_DRIVER | EFI_SW_EC_ILLEGAL_SOFTWARE_STATE),
+ AssertData,
+ TotalSize
+ );
+ }
+
+ //
+ // 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 ();
+ }
+}
+
+
+/**
+
+ 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 Pointer to the target buffer to fill with PcdDebugClearMemoryValue.
+ @param Length Number of bytes in Buffer to fill with zeros PcdDebugClearMemoryValue.
+
+ @return Buffer
+
+**/
+VOID *
+EFIAPI
+DebugClearMemory (
+ OUT VOID *Buffer,
+ IN UINTN Length
+ )
+{
+ //
+ // If Buffer is NULL, then ASSERT().
+ //
+ ASSERT (Buffer != NULL);
+
+ //
+ // SetMem() checks for the the ASSERT() condition on Length and returns Buffer
+ //
+ 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 ((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 ((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 ((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_DEBUG_CLEAR_MEMORY_ENABLED bit of
+ PcdDebugProperyMask is set. Otherwise FALSE is returned.
+
+ @retval TRUE The DEBUG_PROPERTY_DEBUG_CLEAR_MEMORY_ENABLED bit of PcdDebugProperyMask is set.
+ @retval FALSE The DEBUG_PROPERTY_DEBUG_CLEAR_MEMORY_ENABLED bit of PcdDebugProperyMask is clear.
+
+**/
+BOOLEAN
+EFIAPI
+DebugClearMemoryEnabled (
+ VOID
+ )
+{
+ return ((PcdGet8(PcdDebugPropertyMask) & DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED) != 0);
+}
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