Initial import.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524

EdkModulePkg/Library/EdkMemoryStatusCodeLib/MemoryStatusCode.h

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+/*++
+
+Copyright (c) 2006, 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:
+  
+  MemoryStatusCode.h
+   
+Abstract:
+
+  Lib to provide status code reporting via memory.
+
+--*/
+
+#ifndef _PEI_MEMORY_STATUS_CODE_H_
+#define _PEI_MEMORY_STATUS_CODE_H_
+
+//
+// Publicly exported function
+//
+EFI_STATUS
+EFIAPI
+InstallMonoStatusCode (
+  IN EFI_FFS_FILE_HEADER       *FfsHeader,
+  IN EFI_PEI_SERVICES          **PeiServices
+  )
+;
+//
+// Publicly exported data
+//
+extern BOOLEAN  gRunningFromMemory;
+//
+// Private data
+//
+//
+// Define the amount of heap to use before memory is allocated
+//
+#define PEI_STATUS_CODE_HEAP_LENGTH     512
+#define PEI_STATUS_CODE_MAX_HEAP_ENTRY  (PEI_STATUS_CODE_HEAP_LENGTH / sizeof (EFI_STATUS_CODE_ENTRY))
+
+//
+// Define the number of 4K pages of BS memory to allocate (1MB)
+//
+#define PEI_STATUS_CODE_RT_PAGES      (128)
+#define PEI_STATUS_CODE_RT_LENGTH     (PEI_STATUS_CODE_RT_PAGES * 1024 * 4)
+#define PEI_STATUS_CODE_MAX_RT_ENTRY  (PEI_STATUS_CODE_RT_LENGTH / sizeof (EFI_STATUS_CODE_ENTRY))
+
+//
+// Define a private data structure
+//
+#define MEMORY_STATUS_CODE_SIGNATURE  EFI_SIGNATURE_32 ('M', 'S', 'C', 'S')
+
+typedef struct _MEMORY_STATUS_CODE_INSTANCE {
+  UINT32                              Signature;
+  struct _MEMORY_STATUS_CODE_INSTANCE *This;
+  EFI_FFS_FILE_HEADER                 *FfsHeader;
+  EFI_PEI_PPI_DESCRIPTOR              PpiDescriptor;
+  PEI_STATUS_CODE_MEMORY_PPI          StatusCodeMemoryPpi;
+  EFI_PEI_NOTIFY_DESCRIPTOR           NotifyDescriptor;
+} MEMORY_STATUS_CODE_INSTANCE;
+
+#define MEMORY_STATUS_CODE_FROM_DESCRIPTOR_THIS(a) \
+  PEI_CR (a, \
+          MEMORY_STATUS_CODE_INSTANCE, \
+          PpiDescriptor, \
+          MEMORY_STATUS_CODE_SIGNATURE \
+      )
+#define MEMORY_STATUS_CODE_FROM_NOTIFY_THIS(a) \
+  PEI_CR (a, \
+          MEMORY_STATUS_CODE_INSTANCE, \
+          NotifyDescriptor, \
+          MEMORY_STATUS_CODE_SIGNATURE \
+      )
+
+//
+// Private function declarations
+//
+EFI_STATUS
+EFIAPI
+LoadImageCallback (
+  IN EFI_PEI_SERVICES           **PeiServices,
+  IN EFI_PEI_NOTIFY_DESCRIPTOR  *NotifyDescriptor,
+  IN VOID                       *Ppi
+  )
+;
+
+#endif