git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			95 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			95 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*++
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| 
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| Copyright (c) 2006, Intel Corporation                                                         
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| All rights reserved. This program and the accompanying materials                          
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| are licensed and made available under the terms and conditions of the BSD License         
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| which accompanies this distribution.  The full text of the license may be found at        
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| http://opensource.org/licenses/bsd-license.php                                            
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|                                                                                           
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| THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
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| WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             
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| 
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| Module Name:
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|   
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|   MemoryStatusCode.h
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|    
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| Abstract:
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| 
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|   Lib to provide status code reporting via memory.
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| 
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| --*/
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| 
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| #ifndef _PEI_MEMORY_STATUS_CODE_H_
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| #define _PEI_MEMORY_STATUS_CODE_H_
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| 
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| //
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| // Publicly exported function
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| //
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| EFI_STATUS
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| EFIAPI
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| InstallMonoStatusCode (
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|   IN EFI_FFS_FILE_HEADER       *FfsHeader,
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|   IN EFI_PEI_SERVICES          **PeiServices
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|   )
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| ;
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| //
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| // Publicly exported data
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| //
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| extern BOOLEAN  gRunningFromMemory;
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| //
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| // Private data
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| //
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| //
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| // Define the amount of heap to use before memory is allocated
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| //
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| #define PEI_STATUS_CODE_HEAP_LENGTH     512
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| #define PEI_STATUS_CODE_MAX_HEAP_ENTRY  (PEI_STATUS_CODE_HEAP_LENGTH / sizeof (EFI_STATUS_CODE_ENTRY))
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| 
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| //
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| // Define the number of 4K pages of BS memory to allocate (1MB)
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| //
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| #define PEI_STATUS_CODE_RT_PAGES      (128)
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| #define PEI_STATUS_CODE_RT_LENGTH     (PEI_STATUS_CODE_RT_PAGES * 1024 * 4)
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| #define PEI_STATUS_CODE_MAX_RT_ENTRY  (PEI_STATUS_CODE_RT_LENGTH / sizeof (EFI_STATUS_CODE_ENTRY))
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| 
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| //
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| // Define a private data structure
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| //
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| #define MEMORY_STATUS_CODE_SIGNATURE  EFI_SIGNATURE_32 ('M', 'S', 'C', 'S')
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| 
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| typedef struct _MEMORY_STATUS_CODE_INSTANCE {
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|   UINT32                              Signature;
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|   struct _MEMORY_STATUS_CODE_INSTANCE *This;
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|   EFI_FFS_FILE_HEADER                 *FfsHeader;
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|   EFI_PEI_PPI_DESCRIPTOR              PpiDescriptor;
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|   PEI_STATUS_CODE_MEMORY_PPI          StatusCodeMemoryPpi;
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|   EFI_PEI_NOTIFY_DESCRIPTOR           NotifyDescriptor;
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| } MEMORY_STATUS_CODE_INSTANCE;
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| 
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| #define MEMORY_STATUS_CODE_FROM_DESCRIPTOR_THIS(a) \
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|   PEI_CR (a, \
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|           MEMORY_STATUS_CODE_INSTANCE, \
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|           PpiDescriptor, \
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|           MEMORY_STATUS_CODE_SIGNATURE \
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|       )
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| #define MEMORY_STATUS_CODE_FROM_NOTIFY_THIS(a) \
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|   PEI_CR (a, \
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|           MEMORY_STATUS_CODE_INSTANCE, \
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|           NotifyDescriptor, \
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|           MEMORY_STATUS_CODE_SIGNATURE \
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|       )
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| 
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| //
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| // Private function declarations
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| //
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| EFI_STATUS
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| EFIAPI
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| LoadImageCallback (
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|   IN EFI_PEI_SERVICES           **PeiServices,
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|   IN EFI_PEI_NOTIFY_DESCRIPTOR  *NotifyDescriptor,
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|   IN VOID                       *Ppi
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|   )
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| ;
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| 
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| #endif
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