diff options
Diffstat (limited to 'MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c')
| -rw-r--r-- | MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c | 363 |
1 files changed, 183 insertions, 180 deletions
diff --git a/MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c b/MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c index 0f785dd..b0a5c60 100644 --- a/MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c +++ b/MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c @@ -1,7 +1,7 @@ -/**@file
+/** @file
DXE Core Main Entry Point
-Copyright (c) 2006 - 2007, Intel Corporation
+Copyright (c) 2006 - 2008, 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
@@ -228,26 +228,21 @@ EFI_DECOMPRESS_PROTOCOL gEfiDecompress = { //
// Main entry point to the DXE Core
//
-VOID
-EFIAPI
-DxeMain (
- IN VOID *HobStart
- )
-/*++
-
-Routine Description:
+/**
Main entry point to DXE Core.
-Arguments:
-
- HobStart - Pointer to the beginning of the HOB List from PEI
-
-Returns:
+ @param HobStart Pointer to the beginning of the HOB List from
+ PEI
- This function should never return
+ @return This function should never return
---*/
+**/
+VOID
+EFIAPI
+DxeMain (
+ IN VOID *HobStart
+ )
{
EFI_STATUS Status;
EFI_PHYSICAL_ADDRESS MemoryBaseAddress;
@@ -335,7 +330,7 @@ Returns: gDxeCoreImageHandle
);
- DEBUG ((EFI_D_INFO | EFI_D_LOAD, "HOBLIST address in DXE = 0x%016lx\n", (UINT64) (UINTN) HobStart));
+ DEBUG ((DEBUG_INFO | DEBUG_LOAD, "HOBLIST address in DXE = 0x%016lx\n", (UINT64) (UINTN) HobStart));
//
// Initialize the Event Services
@@ -438,26 +433,19 @@ Returns: }
+
+/**
+ Place holder function until all the Boot Services and Runtime Services are
+ available.
+
+ @return EFI_NOT_AVAILABLE_YET
+
+**/
EFI_STATUS
EFIAPI
CoreEfiNotAvailableYetArg0 (
VOID
)
-/*++
-
-Routine Description:
-
- Place holder function until all the Boot Services and Runtime Services are available
-
-Arguments:
-
- None
-
-Returns:
-
- EFI_NOT_AVAILABLE_YET
-
---*/
{
//
// This function should never be executed. If it does, then the architectural protocols
@@ -468,26 +456,21 @@ Returns: return EFI_NOT_AVAILABLE_YET;
}
+
+/**
+ Place holder function until all the Boot Services and Runtime Services are
+ available.
+
+ @param Arg1 Undefined
+
+ @return EFI_NOT_AVAILABLE_YET
+
+**/
EFI_STATUS
EFIAPI
CoreEfiNotAvailableYetArg1 (
UINTN Arg1
)
-/*++
-
-Routine Description:
-
- Place holder function until all the Boot Services and Runtime Services are available
-
-Arguments:
-
- Arg1 - Undefined
-
-Returns:
-
- EFI_NOT_AVAILABLE_YET
-
---*/
{
//
// This function should never be executed. If it does, then the architectural protocols
@@ -498,29 +481,22 @@ Returns: return EFI_NOT_AVAILABLE_YET;
}
+
+/**
+ Place holder function until all the Boot Services and Runtime Services are available.
+
+ @param Arg1 Undefined
+ @param Arg2 Undefined
+
+ @return EFI_NOT_AVAILABLE_YET
+
+**/
EFI_STATUS
EFIAPI
CoreEfiNotAvailableYetArg2 (
UINTN Arg1,
UINTN Arg2
)
-/*++
-
-Routine Description:
-
- Place holder function until all the Boot Services and Runtime Services are available
-
-Arguments:
-
- Arg1 - Undefined
-
- Arg2 - Undefined
-
-Returns:
-
- EFI_NOT_AVAILABLE_YET
-
---*/
{
//
// This function should never be executed. If it does, then the architectural protocols
@@ -531,6 +507,17 @@ Returns: return EFI_NOT_AVAILABLE_YET;
}
+
+/**
+ Place holder function until all the Boot Services and Runtime Services are available.
+
+ @param Arg1 Undefined
+ @param Arg2 Undefined
+ @param Arg3 Undefined
+
+ @return EFI_NOT_AVAILABLE_YET
+
+**/
EFI_STATUS
EFIAPI
CoreEfiNotAvailableYetArg3 (
@@ -538,25 +525,6 @@ CoreEfiNotAvailableYetArg3 ( UINTN Arg2,
UINTN Arg3
)
-/*++
-
-Routine Description:
-
- Place holder function until all the Boot Services and Runtime Services are available
-
-Arguments:
-
- Arg1 - Undefined
-
- Arg2 - Undefined
-
- Arg3 - Undefined
-
-Returns:
-
- EFI_NOT_AVAILABLE_YET
-
---*/
{
//
// This function should never be executed. If it does, then the architectural protocols
@@ -567,6 +535,18 @@ Returns: return EFI_NOT_AVAILABLE_YET;
}
+
+/**
+ Place holder function until all the Boot Services and Runtime Services are available.
+
+ @param Arg1 Undefined
+ @param Arg2 Undefined
+ @param Arg3 Undefined
+ @param Arg4 Undefined
+
+ @return EFI_NOT_AVAILABLE_YET
+
+**/
EFI_STATUS
EFIAPI
CoreEfiNotAvailableYetArg4 (
@@ -575,27 +555,6 @@ CoreEfiNotAvailableYetArg4 ( UINTN Arg3,
UINTN Arg4
)
-/*++
-
-Routine Description:
-
- Place holder function until all the Boot Services and Runtime Services are available
-
-Arguments:
-
- Arg1 - Undefined
-
- Arg2 - Undefined
-
- Arg3 - Undefined
-
- Arg4 - Undefined
-
-Returns:
-
- EFI_NOT_AVAILABLE_YET
-
---*/
{
//
// This function should never be executed. If it does, then the architectural protocols
@@ -606,6 +565,19 @@ Returns: return EFI_NOT_AVAILABLE_YET;
}
+
+/**
+ Place holder function until all the Boot Services and Runtime Services are available.
+
+ @param Arg1 Undefined
+ @param Arg2 Undefined
+ @param Arg3 Undefined
+ @param Arg4 Undefined
+ @param Arg5 Undefined
+
+ @return EFI_NOT_AVAILABLE_YET
+
+**/
EFI_STATUS
EFIAPI
CoreEfiNotAvailableYetArg5 (
@@ -615,29 +587,6 @@ CoreEfiNotAvailableYetArg5 ( UINTN Arg4,
UINTN Arg5
)
-/*++
-
-Routine Description:
-
- Place holder function until all the Boot Services and Runtime Services are available
-
-Arguments:
-
- Arg1 - Undefined
-
- Arg2 - Undefined
-
- Arg3 - Undefined
-
- Arg4 - Undefined
-
- Arg5 - Undefined
-
-Returns:
-
- EFI_NOT_AVAILABLE_YET
-
---*/
{
//
// This function should never be executed. If it does, then the architectural protocols
@@ -649,30 +598,23 @@ Returns: }
+
+/**
+ Searches for a Protocol Interface passed from PEI through a HOB.
+
+ @param ProtocolGuid The Protocol GUID to search for in the HOB List
+ @param Interface A pointer to the interface for the Protocol GUID
+
+ @retval EFI_SUCCESS The Protocol GUID was found and its interface is
+ returned in Interface
+ @retval EFI_NOT_FOUND The Protocol GUID was not found in the HOB List
+
+**/
EFI_STATUS
CoreGetPeiProtocol (
IN EFI_GUID *ProtocolGuid,
IN VOID **Interface
)
-/*++
-
-Routine Description:
-
- Searches for a Protocol Interface passed from PEI through a HOB
-
-Arguments:
-
- ProtocolGuid - The Protocol GUID to search for in the HOB List
-
- Interface - A pointer to the interface for the Protocol GUID
-
-Returns:
-
- EFI_SUCCESS - The Protocol GUID was found and its interface is returned in Interface
-
- EFI_NOT_FOUND - The Protocol GUID was not found in the HOB List
-
---*/
{
EFI_HOB_GUID_TYPE *GuidHob;
VOID *Buffer;
@@ -691,26 +633,18 @@ Returns: }
-VOID
-CalculateEfiHdrCrc (
- IN OUT EFI_TABLE_HEADER *Hdr
- )
-/*++
-
-Routine Description:
+/**
Calcualte the 32-bit CRC in a EFI table using the service provided by the
gRuntime service.
-Arguments:
+ @param Hdr Pointer to an EFI standard header
- Hdr - Pointer to an EFI standard header
-
-Returns:
-
- None
-
---*/
+**/
+VOID
+CalculateEfiHdrCrc (
+ IN OUT EFI_TABLE_HEADER *Hdr
+ )
{
UINT32 Crc;
@@ -727,30 +661,23 @@ Returns: +
+/**
+ Terminates all boot services.
+
+ @param ImageHandle Handle that identifies the exiting image.
+ @param MapKey Key to the latest memory map.
+
+ @retval EFI_SUCCESS Boot Services terminated
+ @retval EFI_INVALID_PARAMETER MapKey is incorrect.
+
+**/
EFI_STATUS
EFIAPI
CoreExitBootServices (
IN EFI_HANDLE ImageHandle,
IN UINTN MapKey
)
-/*++
-
-Routine Description:
-
- Terminates all boot services.
-
-Arguments:
-
- ImageHandle - Handle that identifies the exiting image.
-
- MapKey -Key to the latest memory map.
-
-Returns:
-
- EFI_SUCCESS - Boot Services terminated
- EFI_INVALID_PARAMETER - MapKey is incorrect.
-
---*/
{
EFI_STATUS Status;
EFI_STATUS StatusTemp;
@@ -847,7 +774,48 @@ Returns: return Status;
}
+
+/**
+ Given a compressed source buffer, this function retrieves the size of the
+ uncompressed buffer and the size of the scratch buffer required to decompress
+ the compressed source buffer.
+
+ The GetInfo() function retrieves the size of the uncompressed buffer and the
+ temporary scratch buffer required to decompress the buffer specified by Source
+ and SourceSize. If the size of the uncompressed buffer or the size of the
+ scratch buffer cannot be determined from the compressed data specified by
+ Source and SourceData, then EFI_INVALID_PARAMETER is returned. Otherwise, the
+ size of the uncompressed buffer is returned in DestinationSize, the size of
+ the scratch buffer is returned in ScratchSize, and EFI_SUCCESS is returned.
+ The GetInfo() function does not have scratch buffer available to perform a
+ thorough checking of the validity of the source data. It just retrieves the
+ "Original Size" field from the beginning bytes of the source data and output
+ it as DestinationSize. And ScratchSize is specific to the decompression
+ implementation.
+
+ @param This A pointer to the EFI_DECOMPRESS_PROTOCOL instance.
+ @param Source The source buffer containing the compressed data.
+ @param SourceSize The size, in bytes, of the source buffer.
+ @param DestinationSize A pointer to the size, in bytes, of the
+ uncompressed buffer that will be generated when the
+ compressed buffer specified by Source and
+ SourceSize is decompressed.
+ @param ScratchSize A pointer to the size, in bytes, of the scratch
+ buffer that is required to decompress the
+ compressed buffer specified by Source and
+ SourceSize.
+
+ @retval EFI_SUCCESS The size of the uncompressed data was returned in
+ DestinationSize and the size of the scratch buffer
+ was returned in ScratchSize.
+ @retval EFI_INVALID_PARAMETER The size of the uncompressed data or the size of
+ the scratch buffer cannot be determined from the
+ compressed data specified by Source and
+ SourceSize.
+
+**/
EFI_STATUS
+EFIAPI
DxeMainUefiDecompressGetInfo (
IN EFI_DECOMPRESS_PROTOCOL *This,
IN VOID *Source,
@@ -864,6 +832,41 @@ DxeMainUefiDecompressGetInfo ( return UefiDecompressGetInfo (Source, SourceSize, DestinationSize, ScratchSize);
}
+
+/**
+ Decompresses a compressed source buffer.
+
+ The Decompress() function extracts decompressed data to its original form.
+ This protocol is designed so that the decompression algorithm can be
+ implemented without using any memory services. As a result, the Decompress()
+ Function is not allowed to call AllocatePool() or AllocatePages() in its
+ implementation. It is the caller¡¯s responsibility to allocate and free the
+ Destination and Scratch buffers.
+ If the compressed source data specified by Source and SourceSize is
+ sucessfully decompressed into Destination, then EFI_SUCCESS is returned. If
+ the compressed source data specified by Source and SourceSize is not in a
+ valid compressed data format, then EFI_INVALID_PARAMETER is returned.
+
+ @param This A pointer to the EFI_DECOMPRESS_PROTOCOL instance.
+ @param Source The source buffer containing the compressed data.
+ @param SourceSize SourceSizeThe size of source data.
+ @param Destination On output, the destination buffer that contains
+ the uncompressed data.
+ @param DestinationSize The size of the destination buffer. The size of
+ the destination buffer needed is obtained from
+ EFI_DECOMPRESS_PROTOCOL.GetInfo().
+ @param Scratch A temporary scratch buffer that is used to perform
+ the decompression.
+ @param ScratchSize The size of scratch buffer. The size of the
+ scratch buffer needed is obtained from GetInfo().
+
+ @retval EFI_SUCCESS Decompression completed successfully, and the
+ uncompressed buffer is returned in Destination.
+ @retval EFI_INVALID_PARAMETER The source buffer specified by Source and
+ SourceSize is corrupted (not in a valid
+ compressed format).
+
+**/
EFI_STATUS
EFIAPI
DxeMainUefiDecompress (
|