REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1395
Add a debug PPI for PEI phase. This PPI will provide basic services of debug. PEI debug lib instance can use these services to implement debug function to reduce the PEIM which consume the debug lib. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Zhichao Gao <zhichao....@intel.com> Cc: Jian J Wang <jian.j.w...@intel.com> Cc: Hao Wu <hao.a...@intel.com> Cc: Ray Ni <ray...@intel.com> Cc: Star Zeng <star.z...@intel.com> Cc: Liming Gao <liming....@intel.com> Cc: Sean Brogan <sean.bro...@microsoft.com> Cc: Michael Turner <michael.tur...@microsoft.com> Cc: Bret Barkelew <bret.barke...@microsoft.com> --- MdeModulePkg/Include/Ppi/Debug.h | 90 ++++++++++++++++++++++++++++++++++++++++ MdeModulePkg/MdeModulePkg.dec | 3 ++ 2 files changed, 93 insertions(+) create mode 100644 MdeModulePkg/Include/Ppi/Debug.h diff --git a/MdeModulePkg/Include/Ppi/Debug.h b/MdeModulePkg/Include/Ppi/Debug.h new file mode 100644 index 0000000000..deb03a4319 --- /dev/null +++ b/MdeModulePkg/Include/Ppi/Debug.h @@ -0,0 +1,90 @@ +/** @file + Define the EDKII_DEBUG_PPI that PEIMs can use to dump info to debug port. + + Copyright (c) 2019, Intel Corporation. All rights reserved.<BR> + + 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. + +**/ + +#ifndef __EDKII_DEBUG_PPI_H__ +#define __EDKII_DEBUG_PPI_H__ + +#include <Pi/PiPeiCis.h> + +// +// Global ID for the EDKII_DEBUG_PPI +// +#define EDKII_DEBUG_PPI_GUID \ + { \ + 0x999e699c, 0xb013, 0x475e, {0xb1, 0x7b, 0xf3, 0xa8, 0xae, 0x5c, 0x48, 0x75} \ + } + +/// +/// Forward declaration for the PEI_DEBUG_LIB_DEBUG_PPI EDKII_DEBUG_PPI +/// +typedef struct _EDKII_DEBUG_PPI EDKII_DEBUG_PPI; + +/** + Print a debug message to debug output device if the specified error level + is enabled. + + @param[in] PeiServices The pointer to the PEI Services Table. + @param[in] This The pointer to this instance of EDKII_DEBUG_PPI + @param[in] ErrorLevel The error level of the debug message. + @param[in] Format Format string for the debug message to print. + @param[in] VaListMarker VA_LIST marker for the variable argument list. + +**/ +typedef +VOID +(EFIAPI *EDKII_DEBUG_VPRINT)( + IN CONST EFI_PEI_SERVICES **PeiServices, + IN EDKII_DEBUG_PPI *This, + IN UINTN ErrorLevel, + IN CONST CHAR8 *Format, + IN VA_LIST Marker + ); + +/** + Print an assert message containing a filename, line number, and description. + This may be followed by a breakpoint or a dead loop. + + @param[in] PeiServices The pointer to the PEI Services Table. + @param[in] This The pointer to this instance of EDKII_DEBUG_PPI + @param[in] FileName The pointer to the name of the source file that + generated the assert condition. + @param[in] LineNumber The line number in the source file that generated + the assert condition + @param[in] Description The pointer to the description of the assert condition. + +**/ +typedef +VOID +(EFIAPI *EDKII_DEBUG_ASSERT)( + IN CONST EFI_PEI_SERVICES **PeiServices, + IN EDKII_DEBUG_PPI *This, + IN CONST CHAR8 *FileName, + IN UINTN LineNumber, + IN CONST CHAR8 *Description + ); + +/// +/// This PPI contains a set of services to print message to debug output device +/// +struct _EDKII_DEBUG_PPI { + EDKII_DEBUG_VPRINT DebugVPrint; + EDKII_DEBUG_ASSERT DebugAssert; +}; + +extern EFI_GUID gEdkiiDebugPpiGuid; + +#endif + diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec index a90a038b85..43992b7f65 100644 --- a/MdeModulePkg/MdeModulePkg.dec +++ b/MdeModulePkg/MdeModulePkg.dec @@ -498,6 +498,9 @@ ## Include/Ppi/AtaPassThru.h gEdkiiPeiAtaPassThruPpiGuid = { 0xa16473fd, 0xd474, 0x4c89, { 0xae, 0xc7, 0x90, 0xb8, 0x3c, 0x73, 0x86, 0x9 } } + ## Include/Ppi/Debug.h + gEdkiiDebugPpiGuid = { 0x999e699c, 0xb013, 0x475e, { 0xb1, 0x7b, 0xf3, 0xa8, 0xae, 0x5c, 0x48, 0x75 } } + [Protocols] ## Load File protocol provides capability to load and unload EFI image into memory and execute it. # Include/Protocol/LoadPe32Image.h -- 2.16.2.windows.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
