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Diffstat (limited to 'EDK/Foundation/Library/EdkIIGlueLib/Include/Library/EdkIIGlueDebugLib.h')
| -rw-r--r-- | EDK/Foundation/Library/EdkIIGlueLib/Include/Library/EdkIIGlueDebugLib.h | 575 |
1 files changed, 575 insertions, 0 deletions
diff --git a/EDK/Foundation/Library/EdkIIGlueLib/Include/Library/EdkIIGlueDebugLib.h b/EDK/Foundation/Library/EdkIIGlueLib/Include/Library/EdkIIGlueDebugLib.h new file mode 100644 index 0000000..b7cd4a9 --- /dev/null +++ b/EDK/Foundation/Library/EdkIIGlueLib/Include/Library/EdkIIGlueDebugLib.h @@ -0,0 +1,575 @@ +/*++ + +Copyright (c) 2004 - 2011, Intel Corporation +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. + + +Module Name: + + EdkIIGlueDebugLib.h + +Abstract: + + Public include file for the Debug Library + +--*/ + +#ifndef __EDKII_GLUE_DEBUG_LIB_H__ +#define __EDKII_GLUE_DEBUG_LIB_H__ + +// +// To use EdkII code, these R8.x macros are undefined +// +#undef ASSERT +#undef DEBUG +#undef ASSERT_EFI_ERROR +#undef ASSERT_PROTOCOL_ALREADY_INSTALLED +#undef DEBUG_CODE +#undef CR + +// +// Declare bits for PcdDebugPropertyMask +// +#define DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED 0x01 +#define DEBUG_PROPERTY_DEBUG_PRINT_ENABLED 0x02 +#define DEBUG_PROPERTY_DEBUG_CODE_ENABLED 0x04 +#define DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED 0x08 +#define DEBUG_PROPERTY_ASSERT_BREAKPOINT_ENABLED 0x10 +#define DEBUG_PROPERTY_ASSERT_DEADLOOP_ENABLED 0x20 + +// +// Declare bits for PcdDebugPrintErrorLevel and the ErrorLevel parameter of DebugPrint() +// +#define EFI_D_INIT 0x00000001 // Initialization style messages +#define EFI_D_WARN 0x00000002 // Warnings +#define EFI_D_LOAD 0x00000004 // Load events +#define EFI_D_FS 0x00000008 // EFI File system +#define EFI_D_POOL 0x00000010 // Alloc & Free's +#define EFI_D_PAGE 0x00000020 // Alloc & Free's +#define EFI_D_INFO 0x00000040 // Informational debug messages +#define EFI_D_VARIABLE 0x00000100 // Variable +#define EFI_D_BM 0x00000400 // Boot Manager (BDS) +#define EFI_D_BLKIO 0x00001000 // BlkIo Driver +#define EFI_D_NET 0x00004000 // SNI Driver +#define EFI_D_UNDI 0x00010000 // UNDI Driver +#define EFI_D_LOADFILE 0x00020000 // UNDI Driver +#define EFI_D_EVENT 0x00080000 // Event messages +#define EFI_D_VERBOSE 0x00400000 // Detailed debug messages that may significantly impact boot performance +#define EFI_D_ERROR 0x80000000 // Error + +/** + + Gets the error level. + + If DebugMaskInterface is not NULL, return the error level from DebugMaskInterface. + + If DebugMaskInterface is NULL, return the default define DebugPrintErrorLevel error level. + + @retval Debug Message Error Level + +**/ +UINTN +EFIAPI +EdkIIGlueGetDebugPrintErrorLevel ( + VOID + ); + +/** + + 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, + ... + ); + + +/** + + 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 + ); + + +/** + + 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 + ); + + +/** + + 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 + ); + + +/** + + 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 + ); + + +/** + + 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 + ); + + +/** + + 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 + ); + + +/** + + Internal worker macro that calls DebugAssert(). + + This macro calls DebugAssert() passing in the filename, line number, and + expression that evailated to FALSE. + + @param Expression Boolean expression that evailated to FALSE + +**/ +#ifdef EFI_DEBUG +#define _ASSERT(Expression) DebugAssert (__FILE__, __LINE__, #Expression) +#else +#define _ASSERT(Expression) + +#endif + +/** + + Internal worker macro that calls DebugPrint(). + + This macro calls DebugPrint() passing in the debug error level, a format + string, and a variable argument list. + + @param Expression Expression containing an error level, a format string, + and a variable argument list based on the format string. + +**/ +#ifdef EFI_DEBUG +#define _DEBUG(Expression) DebugPrint Expression +#else +#define _DEBUG(Expression) + +#endif + +/** + + Macro that calls DebugAssert() if a expression evaluates to FALSE. + + If the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugProperyMask is set, + then this macro evaluates the Boolean expression specified by Expression. If + Expression evaluates to FALSE, then DebugAssert() is called passing in the + source filename, source line number, and Expression. + + @param Expression Boolean expression + +**/ +#ifdef EDKII_GLUE_LIBRARY_IMPLEMENTATION + // Glue Library internal + + #if EDKII_GLUE_LIBRARY_DEBUG_ENABLE + #ifdef EFI_DEBUG + #define ASSERT(Expression) \ + do { \ + if (DebugAssertEnabled ()) { \ + if (!(Expression)) { \ + _ASSERT (Expression); \ + } \ + } \ + } while (FALSE) + #endif + #else + #define ASSERT(Expression) do{} while(0) + #endif + +#else + // External usage + + #ifdef EFI_DEBUG + #define ASSERT(Expression) \ + do { \ + if (DebugAssertEnabled ()) { \ + if (!(Expression)) { \ + _ASSERT (Expression); \ + } \ + } \ + } while (FALSE) + #else + #define ASSERT(Expression) do{} while(0) + #endif + +#endif + +/** + + Macro that calls DebugPrint(). + + If the DEBUG_PROPERTY_DEBUG_PRINT_ENABLED bit of PcdDebugProperyMask is set, + then this macro passes Expression to DebugPrint(). + + @param Expression Expression containing an error level, a format string, + and a variable argument list based on the format string. + + +**/ +#ifdef EDKII_GLUE_LIBRARY_IMPLEMENTATION + // Glue Library internal + + #if EDKII_GLUE_LIBRARY_DEBUG_ENABLE + #ifdef EFI_DEBUG + #define DEBUG(Expression) \ + do { \ + if (DebugPrintEnabled ()) { \ + _DEBUG (Expression); \ + } \ + } while (FALSE) + #endif + #else + #define DEBUG(Expression) do{} while(0) + #endif + +#else + // External usage + + #ifdef EFI_DEBUG + #define DEBUG(Expression) \ + do { \ + if (DebugPrintEnabled ()) { \ + _DEBUG (Expression); \ + } \ + } while (FALSE) + #else + #define DEBUG(Expression) do{} while(0) + #endif + +#endif + + +/** + + Macro that calls DebugAssert() if an EFI_STATUS evaluates to an error code. + + If the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugProperyMask is set, + then this macro evaluates the EFI_STATUS value specified by StatusParameter. + If StatusParameter is an error code, then DebugAssert() is called passing in + the source filename, source line number, and StatusParameter. + + @param StatusParameter EFI_STATUS value to evaluate. + +**/ +#ifdef EDKII_GLUE_LIBRARY_IMPLEMENTATION + // Glue Library internal + + #if EDKII_GLUE_LIBRARY_DEBUG_ENABLE + #ifdef EFI_DEBUG + #define ASSERT_EFI_ERROR(StatusParameter) \ + do { \ + if (DebugAssertEnabled ()) { \ + if (EFI_ERROR (StatusParameter)) { \ + DEBUG ((EFI_D_ERROR, "\nASSERT_EFI_ERROR, Status = %r (0x%08X)\n", \ + StatusParameter, StatusParameter)); \ + _ASSERT (!EFI_ERROR (StatusParameter)); \ + } \ + } \ + } while (FALSE) + #endif + #else + #define ASSERT_EFI_ERROR(Expression) do{} while(0) + #endif + +#else + // External usage + + #ifdef EFI_DEBUG + #define ASSERT_EFI_ERROR(StatusParameter) \ + do { \ + if (DebugAssertEnabled ()) { \ + if (EFI_ERROR (StatusParameter)) { \ + DEBUG ((EFI_D_ERROR, "\nASSERT_EFI_ERROR, Status = %r (0x%08X)\n", \ + StatusParameter, StatusParameter)); \ + _ASSERT (!EFI_ERROR (StatusParameter)); \ + } \ + } \ + } while (FALSE) + #else + #define ASSERT_EFI_ERROR(Expression) do{} while(0) + #endif + +#endif + + +/** + + Macro that calls DebugAssert() if a protocol is already installed in the + handle database. + + If the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugProperyMask is clear, + then return. + + If Handle is NULL, then a check is made to see if the protocol specified by Guid + is present on any handle in the handle database. If Handle is not NULL, then + a check is made to see if the protocol specified by Guid is present on the + handle specified by Handle. If the check finds the protocol, then DebugAssert() + is called passing in the source filename, source line number, and Guid. + + If Guid is NULL, then ASSERT(). + + @param Handle The handle to check for the protocol. This is an optional + parameter that may be NULL. If it is NULL, then the entire + handle database is searched. + + @param Guid Pointer to a protocol GUID. + +**/ +#ifdef EFI_DEBUG +#define ASSERT_PROTOCOL_ALREADY_INSTALLED(Handle, Guid) \ + do { \ + if (DebugAssertEnabled ()) { \ + VOID *Instance; \ + ASSERT (Guid != NULL); \ + if (Handle == NULL) { \ + if (!EFI_ERROR (gBS->LocateProtocol ((EFI_GUID *)Guid, NULL, &Instance))) { \ + _ASSERT (Guid already installed in database); \ + } \ + } else { \ + if (!EFI_ERROR (gBS->HandleProtocol (Handle, (EFI_GUID *)Guid, &Instance))) { \ + _ASSERT (Guid already installed on Handle); \ + } \ + } \ + } \ + } while (FALSE) +#else +#define ASSERT_PROTOCOL_ALREADY_INSTALLED(Handle, Guid) \ + do {} while(0); +#endif + + +/** + Macro that marks the beginning of debug source code. + + If the DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of PcdDebugProperyMask is set, + then this macro marks the beginning of source code that is included in a module. + Otherwise, the source lines between DEBUG_CODE_BEGIN() and DEBUG_CODE_END() + are not included in a module. + +**/ +#define DEBUG_CODE_BEGIN() do { if (DebugCodeEnabled ()) { UINT8 __DebugCodeLocal + + +/** + + Macro that marks the end of debug source code. + + If the DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of PcdDebugProperyMask is set, + then this macro marks the end of source code that is included in a module. + Otherwise, the source lines between DEBUG_CODE_BEGIN() and DEBUG_CODE_END() + are not included in a module. + +**/ +#define DEBUG_CODE_END() __DebugCodeLocal = 0; } } while (FALSE) + + +/** + + Macro that declares a section of debug source code. + + If the DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of PcdDebugProperyMask is set, + then the source code specified by Expression is included in a module. + Otherwise, the source specified by Expression is not included in a module. + +**/ +#define DEBUG_CODE(Expression) \ + DEBUG_CODE_BEGIN (); \ + Expression \ + DEBUG_CODE_END () + + +/** + + Macro that calls DebugClearMemory() to clear a buffer to a default value. + + If the DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED bit of PcdDebugProperyMask is set, + then this macro calls DebugClearMemory() passing in Address and Length. + + @param Address Pointer to a buffer. + @param Length The number of bytes in the buffer to set. + +**/ +#define DEBUG_CLEAR_MEMORY(Address, Length) \ + do { \ + if (DebugClearMemoryEnabled ()) { \ + DebugClearMemory (Address, Length); \ + } \ + } while (FALSE) + + +/** + + Macro that calls DebugAssert() if the containing record does not have a + matching signature. If the signatures matches, then a pointer to the data + structure that contains a specified field of that data structure is returned. + This is a light weight method hide information by placing a public data + structure inside a larger private data structure and using a pointer to the + public data structure to retrieve a pointer to the private data structure. + + If the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugProperyMask is clear, + then this macro computes the offset, in bytes, of field specified by Field + from the beginning of the data structure specified by TYPE. This offset is + subtracted from Record, and is used to return a pointer to a data structure + of the type specified by TYPE. + + If the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugProperyMask is set, + then this macro computes the offset, in bytes, of field specified by Field from + the beginning of the data structure specified by TYPE. This offset is + subtracted from Record, and is used to compute a pointer to a data structure of + the type specified by TYPE. The Signature field of the data structure specified + by TYPE is compared to TestSignature. If the signatures match, then a pointer + to the pointer to a data structure of the type specified by TYPE is returned. + If the signatures do not match, then DebugAssert() is called with a description + of "CR has a bad signature" and Record is returned. + + If the data type specified by TYPE does not contain the field specified by Field, + then the module will not compile. + + If TYPE does not contain a field called Signature, then the module will not + compile. + + @param Record Pointer to the field specified by Field within a data + structure of type TYPE. + + @param TYPE The name of the data structure type to return This + data structure must contain the field specified by Field. + + @param Field The name of the field in the data structure specified + by TYPE to which Record points. + + @param TestSignature The 32-bit signature value to match. + +**/ +#ifdef EFI_DEBUG + #define CR(Record, TYPE, Field, TestSignature) \ + (DebugAssertEnabled () && (_CR (Record, TYPE, Field)->Signature != TestSignature)) ? \ + (TYPE *) (_ASSERT (CR has Bad Signature), Record) : \ + _CR (Record, TYPE, Field) +#else + #define CR(Record, TYPE, Field, TestSignature) \ + _CR (Record, TYPE, Field) +#endif + + +#endif |