diff options
Diffstat (limited to 'Core/MdeModulePkg/Library/PeiDebugPrintHobLib')
| -rw-r--r-- | Core/MdeModulePkg/Library/PeiDebugPrintHobLib/PeiDebugPrintHobLib.c | 78 | ||||
| -rw-r--r-- | Core/MdeModulePkg/Library/PeiDebugPrintHobLib/PeiDebugPrintHobLib.inf | 50 | ||||
| -rw-r--r-- | Core/MdeModulePkg/Library/PeiDebugPrintHobLib/PeiDebugPrintHobLib.uni | bin | 0 -> 2076 bytes |
3 files changed, 128 insertions, 0 deletions
diff --git a/Core/MdeModulePkg/Library/PeiDebugPrintHobLib/PeiDebugPrintHobLib.c b/Core/MdeModulePkg/Library/PeiDebugPrintHobLib/PeiDebugPrintHobLib.c new file mode 100644 index 0000000000..4bcf0030a0 --- /dev/null +++ b/Core/MdeModulePkg/Library/PeiDebugPrintHobLib/PeiDebugPrintHobLib.c @@ -0,0 +1,78 @@ +/** @file
+ NULL Library class that reads Debug Mask variable and if it exists makes a
+ HOB that contains the debug mask.
+
+ Copyright (c) 2011, Apple, Inc. 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.
+
+**/
+
+#include <PiPei.h>
+
+#include <Library/HobLib.h>
+#include <Library/DebugLib.h>
+#include <Library/PeiServicesLib.h>
+
+#include <Ppi/ReadOnlyVariable2.h>
+#include <Guid/DebugMask.h>
+
+
+/**
+ The constructor reads variable and sets HOB
+
+ @param FileHandle The handle of FFS header the loaded driver.
+ @param PeiServices The pointer to the PEI services.
+
+ @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
+
+**/
+EFI_STATUS
+EFIAPI
+PeiDebugPrintHobLibConstructor (
+ IN EFI_PEI_FILE_HANDLE FileHandle,
+ IN CONST EFI_PEI_SERVICES **PeiServices
+ )
+{
+ EFI_STATUS Status;
+ EFI_PEI_READ_ONLY_VARIABLE2_PPI *Variable;
+ UINTN Size;
+ UINT64 GlobalErrorLevel;
+ UINT32 HobErrorLevel;
+
+ Status = PeiServicesLocatePpi (
+ &gEfiPeiReadOnlyVariable2PpiGuid,
+ 0,
+ NULL,
+ (VOID **)&Variable
+ );
+ if (!EFI_ERROR (Status)) {
+ Size = sizeof (GlobalErrorLevel);
+ Status = Variable->GetVariable (
+ Variable,
+ DEBUG_MASK_VARIABLE_NAME,
+ &gEfiGenericVariableGuid,
+ NULL,
+ &Size,
+ &GlobalErrorLevel
+ );
+ if (!EFI_ERROR (Status)) {
+ //
+ // Build the GUID'ed HOB for DXE
+ //
+ HobErrorLevel = (UINT32)GlobalErrorLevel;
+ BuildGuidDataHob (
+ &gEfiGenericVariableGuid,
+ &HobErrorLevel,
+ sizeof (HobErrorLevel)
+ );
+ }
+ }
+
+ return EFI_SUCCESS;
+}
diff --git a/Core/MdeModulePkg/Library/PeiDebugPrintHobLib/PeiDebugPrintHobLib.inf b/Core/MdeModulePkg/Library/PeiDebugPrintHobLib/PeiDebugPrintHobLib.inf new file mode 100644 index 0000000000..0380dee01f --- /dev/null +++ b/Core/MdeModulePkg/Library/PeiDebugPrintHobLib/PeiDebugPrintHobLib.inf @@ -0,0 +1,50 @@ +## @file
+# NULL Library class that reads Debug Mask variable and if it exists makes a
+# HOB that contains the debug mask.
+#
+# Copyright (c) 2011, Apple, Inc. All rights reserved.<BR>
+# Copyright (c) 2012 - 2014, 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.
+#
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = PeiDebugPrintHobLib
+ MODULE_UNI_FILE = PeiDebugPrintHobLib.uni
+ FILE_GUID = EB0BDD73-DABB-E74B-BF51-62DC1DA521E1
+ MODULE_TYPE = PEIM
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = NULL|PEIM
+ CONSTRUCTOR = PeiDebugPrintHobLibConstructor
+
+
+[Sources]
+ PeiDebugPrintHobLib.c
+
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+
+[LibraryClasses]
+ PeiServicesLib
+ DebugLib
+
+[Ppis]
+ gEfiPeiReadOnlyVariable2PpiGuid ## CONSUMES
+
+[Guids]
+ ## SOMETIMES_CONSUMES ## Variable:L"EFIDebug"
+ ## SOMETIMES_PRODUCES ## HOB
+ gEfiGenericVariableGuid
+
+[Depex]
+ gEfiPeiReadOnlyVariable2PpiGuid
\ No newline at end of file diff --git a/Core/MdeModulePkg/Library/PeiDebugPrintHobLib/PeiDebugPrintHobLib.uni b/Core/MdeModulePkg/Library/PeiDebugPrintHobLib/PeiDebugPrintHobLib.uni Binary files differnew file mode 100644 index 0000000000..686c606c79 --- /dev/null +++ b/Core/MdeModulePkg/Library/PeiDebugPrintHobLib/PeiDebugPrintHobLib.uni |