diff options
Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/UnitTestFrameworkPkg/Library/Posix/DebugLibPosix/DebugLibPosix.c')
-rw-r--r-- | src/VBox/Devices/EFI/Firmware/UnitTestFrameworkPkg/Library/Posix/DebugLibPosix/DebugLibPosix.c | 279 |
1 files changed, 279 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/UnitTestFrameworkPkg/Library/Posix/DebugLibPosix/DebugLibPosix.c b/src/VBox/Devices/EFI/Firmware/UnitTestFrameworkPkg/Library/Posix/DebugLibPosix/DebugLibPosix.c new file mode 100644 index 00000000..8b8c8217 --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/UnitTestFrameworkPkg/Library/Posix/DebugLibPosix/DebugLibPosix.c @@ -0,0 +1,279 @@ +/** @file + Instance of Debug Library based on POSIX APIs + + Uses Print Library to produce formatted output strings sent to printf(). + + Copyright (c) 2018 - 2020, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent +**/ + +#include <stdio.h> + +#include <Base.h> +#include <Library/DebugLib.h> +#include <Library/BaseLib.h> +#include <Library/PrintLib.h> +#include <Library/BaseMemoryLib.h> + +/// +/// Define the maximum debug and assert message length that this library supports +/// +#define MAX_DEBUG_MESSAGE_LENGTH 0x100 + +/** + 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 The format string for the debug message to print. + @param ... The 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. + + 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 + ) +{ + CHAR8 Buffer[MAX_DEBUG_MESSAGE_LENGTH]; + + AsciiVSPrint (Buffer, sizeof (Buffer), Format, VaListMarker); + printf ("%s", Buffer); +} + +/** + 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 + ) +{ + CHAR8 Buffer[MAX_DEBUG_MESSAGE_LENGTH]; + + AsciiBSPrint (Buffer, sizeof (Buffer), Format, BaseListMarker); + printf ("%s", Buffer); +} + +/** + 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 + PcdDebugPropertyMask is set then CpuBreakpoint() is called. Otherwise, if + DEBUG_PROPERTY_ASSERT_DEADLOOP_ENABLED bit of PcdDebugPropertyMask 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 + ) +{ + printf ("ASSERT: %s(%d): %s\n", FileName, (INT32)(UINT32)LineNumber, Description); + + // + // 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 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 + ) +{ + // + // 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 + PcdDebugPropertyMask is set. Otherwise FALSE is returned. + + @retval TRUE The DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugPropertyMask is set. + @retval FALSE The DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugPropertyMask 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 + PcdDebugPropertyMask is set. Otherwise FALSE is returned. + + @retval TRUE The DEBUG_PROPERTY_DEBUG_PRINT_ENABLED bit of PcdDebugPropertyMask is set. + @retval FALSE The DEBUG_PROPERTY_DEBUG_PRINT_ENABLED bit of PcdDebugPropertyMask 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 + PcdDebugPropertyMask is set. Otherwise FALSE is returned. + + @retval TRUE The DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of PcdDebugPropertyMask is set. + @retval FALSE The DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of PcdDebugPropertyMask 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 + PcdDebugPropertyMask is set. Otherwise FALSE is returned. + + @retval TRUE The DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED bit of PcdDebugPropertyMask is set. + @retval FALSE The DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED bit of PcdDebugPropertyMask 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); +} |