Correct comments.

[mirror_edk2.git] / MdeModulePkg / Core / Pei / Image / Image.c

diff --git a/MdeModulePkg/Core/Pei/Image/Image.c b/MdeModulePkg/Core/Pei/Image/Image.c
index 2c7e5846cb8a710e61faef2b94cf2814937f3a75..c4fcea65569c4cce0e0adca954d22c36b62682ff 100644 (file)
--- a/MdeModulePkg/Core/Pei/Image/Image.c
+++ b/MdeModulePkg/Core/Pei/Image/Image.c
@@ -1,5 +1,6 @@
-/*++\r
-\r
+/** @file\r
+  Pei Core Load Image Support\r
+  \r

 Copyright (c) 2006 - 2007, Intel Corporation                                                         \r
 All rights reserved. This program and the accompanying materials                          \r
 are licensed and made available under the terms and conditions of the BSD License         \r
 Copyright (c) 2006 - 2007, Intel Corporation                                                         \r
 All rights reserved. This program and the accompanying materials                          \r
 are licensed and made available under the terms and conditions of the BSD License         \r


@@ -9,37 +10,25 @@ http://opensource.org/licenses/bsd-license.php
 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             \r
 \r
 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             \r
 \r

-Module Name:\r
-\r
-  Image.c\r
-\r
-Abstract:\r
-\r
-  Pei Core Load Image Support\r
-\r
---*/\r
+**/\r

 \r
 #include <PeiMain.h>\r
 \r
 \r
 #include <PeiMain.h>\r
 \r

-/*++\r
-\r
-Routine Description:\r
-\r
-  Support routine for the PE/COFF Loader that reads a buffer from a PE/COFF file\r
-\r
-Arguments:\r
-\r
-  FileHandle - The handle to the PE/COFF file\r
-  FileOffset - The offset, in bytes, into the file to read\r
-  ReadSize   - The number of bytes to read from the file starting at FileOffset\r
-  Buffer     - A pointer to the buffer to read the data into.\r
-\r
-Returns:\r
+/**\r
+  Routine for loading file image.\r

 \r
 \r

-  EFI_SUCCESS - ReadSize bytes of data were read into Buffer from the PE/COFF file starting at FileOffset\r
+  @param PeiServices      The PEI core services table.\r
+  @param FileHandle       Pointer to the FFS file header of the image.\r
+  @param ImageAddressArg  Pointer to PE/TE image.\r
+  @param ImageSizeArg     Size of PE/TE image.\r
+  @param EntryPoint       Pointer to entry point of specified image file for output.\r
+  @param AuthenticationState - Pointer to attestation authentication state of image.\r

 \r
 \r

---*/  \r
+  @retval EFI_SUCCESS    - Image is successfully loaded.\r
+  @retval EFI_NOT_FOUND  - Fail to locate necessary PPI\r
+  @retval Others         - Fail to load file.\r

 \r
 \r

+**/\r

 EFI_STATUS\r
 PeiLoadImageLoadImage (\r
   IN     EFI_PEI_SERVICES             **PeiServices,\r
 EFI_STATUS\r
 PeiLoadImageLoadImage (\r
   IN     EFI_PEI_SERVICES             **PeiServices,\r


@@ -49,30 +38,21 @@ PeiLoadImageLoadImage (
   OUT    EFI_PHYSICAL_ADDRESS         *EntryPoint,\r
   OUT    UINT32                       *AuthenticationState\r
   )\r
   OUT    EFI_PHYSICAL_ADDRESS         *EntryPoint,\r
   OUT    UINT32                       *AuthenticationState\r
   )\r

-/*++\r
-\r
-Routine Description:\r
-\r
-  Routine for loading file image.\r
-\r
-Arguments:\r
-\r
-  PeiServices          - The PEI core services table.\r
-  FileHandle           - Pointer to the FFS file header of the image.\r
-  ImageAddressArg      - Pointer to PE/TE image.\r
-  ImageSizeArg         - Size of PE/TE image.\r
-  EntryPoint           - Pointer to entry point of specified image file for output.\r
-  AuthenticationState  - Pointer to attestation authentication state of image.\r
+;\r

 \r
 \r

-Returns:\r
+/**\r
+  The wrapper function of PeiLoadImageLoadImage().\r

 \r
 \r

-  Status - EFI_SUCCESS    - Image is successfully loaded.\r
-           EFI_NOT_FOUND  - Fail to locate necessary PPI\r
-           Others         - Fail to load file.\r
+  @param This            - Pointer to EFI_PEI_LOAD_FILE_PPI.\r
+  @param FileHandle      - Pointer to the FFS file header of the image.\r
+  @param ImageAddressArg - Pointer to PE/TE image.\r
+  @param ImageSizeArg    - Size of PE/TE image.\r
+  @param EntryPoint      - Pointer to entry point of specified image file for output.\r
+  @param AuthenticationState - Pointer to attestation authentication state of image.\r

 \r
 \r

---*/\r
-;\r
+  @return Status of PeiLoadImageLoadImage().\r

 \r
 \r

+**/\r

 EFI_STATUS\r
 EFIAPI\r
 PeiLoadImageLoadImageWrapper (\r
 EFI_STATUS\r
 EFIAPI\r
 PeiLoadImageLoadImageWrapper (\r


@@ -83,27 +63,6 @@ PeiLoadImageLoadImageWrapper (
   OUT    EFI_PHYSICAL_ADDRESS         *EntryPoint,\r
   OUT    UINT32                       *AuthenticationState\r
   )\r
   OUT    EFI_PHYSICAL_ADDRESS         *EntryPoint,\r
   OUT    UINT32                       *AuthenticationState\r
   )\r

-/*++\r
-\r
-Routine Description:\r
-\r
-  The wrapper function of PeiLoadImageLoadImage().\r
-\r
-Arguments:\r
-\r
-  This                 - Pointer to EFI_PEI_LOAD_FILE_PPI.\r
-  PeiServices          - The PEI core services table.\r
-  FileHandle           - Pointer to the FFS file header of the image.\r
-  ImageAddressArg      - Pointer to PE/TE image.\r
-  ImageSizeArg         - Size of PE/TE image.\r
-  EntryPoint           - Pointer to entry point of specified image file for output.\r
-  AuthenticationState  - Pointer to attestation authentication state of image.\r
-\r
-Returns:\r
-\r
-  EFI_STATUS.\r
-  \r
---*/ \r

 ;\r
 \r
 STATIC EFI_PEI_LOAD_FILE_PPI   mPeiLoadImagePpi = {\r
 ;\r
 \r
 STATIC EFI_PEI_LOAD_FILE_PPI   mPeiLoadImagePpi = {\r


@@ -117,6 +76,19 @@ STATIC EFI_PEI_PPI_DESCRIPTOR     gPpiLoadFilePpiList = {
   &mPeiLoadImagePpi\r
 };\r
 \r
   &mPeiLoadImagePpi\r
 };\r
 \r

+/**\r
+\r
+  Support routine for the PE/COFF Loader that reads a buffer from a PE/COFF file\r
+\r
+\r
+  @param FileHandle      - The handle to the PE/COFF file\r
+  @param FileOffset      - The offset, in bytes, into the file to read\r
+  @param ReadSize        - The number of bytes to read from the file starting at FileOffset\r
+  @param Buffer          - A pointer to the buffer to read the data into.\r
+\r
+  @return EFI_SUCCESS - ReadSize bytes of data were read into Buffer from the PE/COFF file starting at FileOffset\r
+\r
+**/\r

 EFI_STATUS\r
 EFIAPI\r
 PeiImageRead (\r
 EFI_STATUS\r
 EFIAPI\r
 PeiImageRead (\r


@@ -125,24 +97,6 @@ PeiImageRead (
   IN OUT UINTN   *ReadSize,\r
   OUT    VOID    *Buffer\r
   )\r
   IN OUT UINTN   *ReadSize,\r
   OUT    VOID    *Buffer\r
   )\r

-/*++\r
-\r
-Routine Description:\r
-\r
-  Support routine for the PE/COFF Loader that reads a buffer from a PE/COFF file\r
-\r
-Arguments:\r
-\r
-  FileHandle - The handle to the PE/COFF file\r
-  FileOffset - The offset, in bytes, into the file to read\r
-  ReadSize   - The number of bytes to read from the file starting at FileOffset\r
-  Buffer     - A pointer to the buffer to read the data into.\r
-\r
-Returns:\r
-\r
-  EFI_SUCCESS - ReadSize bytes of data were read into Buffer from the PE/COFF file starting at FileOffset\r
-\r
---*/\r

 {\r
   CHAR8 *Destination8;\r
   CHAR8 *Source8;\r
 {\r
   CHAR8 *Destination8;\r
   CHAR8 *Source8;\r


@@ -158,27 +112,19 @@ Returns:
   return EFI_SUCCESS;\r
 }\r
 \r
   return EFI_SUCCESS;\r
 }\r
 \r

-EFI_STATUS\r
-GetImageReadFunction (\r
-  IN      PE_COFF_LOADER_IMAGE_CONTEXT  *ImageContext\r
-  )\r
-/*++\r
-\r
-Routine Description:\r
+/**\r

 \r
 \r

-  Support routine to return the Image Read\r
+  Support routine to return the Image Read.\r

 \r
 \r

-Arguments:\r
+  @param ImageContext    - The context of the image being loaded\r

 \r
 \r

-  PeiServices   - PEI Services Table\r
+  @retval EFI_SUCCESS - If Image function location is found\r

 \r
 \r

-  ImageContext  - The context of the image being loaded\r
-\r
-Returns:\r
-\r
-  EFI_SUCCESS - If Image function location is found\r
-\r
---*/\r
+**/\r
+EFI_STATUS\r
+GetImageReadFunction (\r
+  IN      PE_COFF_LOADER_IMAGE_CONTEXT  *ImageContext\r
+  )\r

 {\r
   VOID*  MemoryBuffer;\r
 \r
 {\r
   VOID*  MemoryBuffer;\r
 \r


@@ -192,7 +138,20 @@ Returns:
   return EFI_SUCCESS;\r
 }\r
 \r
   return EFI_SUCCESS;\r
 }\r
 \r

-STATIC\r
+/**\r
+\r
+  Loads and relocates a PE/COFF image into memory.\r
+\r
+\r
+  @param Pe32Data        - The base address of the PE/COFF file that is to be loaded and relocated\r
+  @param ImageAddress    - The base address of the relocated PE/COFF image\r
+  @param ImageSize       - The size of the relocated PE/COFF image\r
+  @param EntryPoint      - The entry point of the relocated PE/COFF image\r
+\r
+  @retval EFI_SUCCESS           The file was loaded and relocated\r
+  @retval EFI_OUT_OF_RESOURCES  There was not enough memory to load and relocate the PE/COFF file\r
+\r
+**/\r

 EFI_STATUS\r
 LoadAndRelocatePeCoffImage (\r
   IN  VOID                                      *Pe32Data,\r
 EFI_STATUS\r
 LoadAndRelocatePeCoffImage (\r
   IN  VOID                                      *Pe32Data,\r


@@ -200,29 +159,6 @@ LoadAndRelocatePeCoffImage (
   OUT UINT64                                    *ImageSize,\r
   OUT EFI_PHYSICAL_ADDRESS                      *EntryPoint\r
   )\r
   OUT UINT64                                    *ImageSize,\r
   OUT EFI_PHYSICAL_ADDRESS                      *EntryPoint\r
   )\r

-/*++\r
-\r
-Routine Description:\r
-\r
-  Loads and relocates a PE/COFF image into memory.\r
-\r
-Arguments:\r
-\r
-  Pe32Data         - The base address of the PE/COFF file that is to be loaded and relocated\r
-\r
-  ImageAddress     - The base address of the relocated PE/COFF image\r
-\r
-  ImageSize        - The size of the relocated PE/COFF image\r
-\r
-  EntryPoint       - The entry point of the relocated PE/COFF image\r
-\r
-Returns:\r
-\r
-  EFI_SUCCESS   - The file was loaded and relocated\r
-\r
-  EFI_OUT_OF_RESOURCES - There was not enough memory to load and relocate the PE/COFF file\r
-\r
---*/\r

 {\r
   EFI_STATUS                            Status;\r
   PE_COFF_LOADER_IMAGE_CONTEXT          ImageContext;\r
 {\r
   EFI_STATUS                            Status;\r
   PE_COFF_LOADER_IMAGE_CONTEXT          ImageContext;\r


@@ -286,6 +222,21 @@ Returns:
   return EFI_SUCCESS;\r
 }\r
 \r
   return EFI_SUCCESS;\r
 }\r
 \r

+/**\r
+  Routine for loading file image.\r
+\r
+  @param PeiServices      The PEI core services table.\r
+  @param FileHandle       Pointer to the FFS file header of the image.\r
+  @param ImageAddressArg  Pointer to PE/TE image.\r
+  @param ImageSizeArg     Size of PE/TE image.\r
+  @param EntryPoint       Pointer to entry point of specified image file for output.\r
+  @param AuthenticationState - Pointer to attestation authentication state of image.\r
+\r
+  @retval EFI_SUCCESS    - Image is successfully loaded.\r
+  @retval EFI_NOT_FOUND  - Fail to locate necessary PPI\r
+  @retval Others         - Fail to load file.\r
+\r
+**/\r

 EFI_STATUS\r
 PeiLoadImageLoadImage (\r
   IN     EFI_PEI_SERVICES             **PeiServices,\r
 EFI_STATUS\r
 PeiLoadImageLoadImage (\r
   IN     EFI_PEI_SERVICES             **PeiServices,\r


@@ -295,28 +246,6 @@ PeiLoadImageLoadImage (
   OUT    EFI_PHYSICAL_ADDRESS         *EntryPoint,\r
   OUT    UINT32                       *AuthenticationState\r
   )\r
   OUT    EFI_PHYSICAL_ADDRESS         *EntryPoint,\r
   OUT    UINT32                       *AuthenticationState\r
   )\r

-/*++\r
-\r
-Routine Description:\r
-\r
-  Routine for loading file image.\r
-\r
-Arguments:\r
-\r
-  PeiServices          - The PEI core services table.\r
-  FileHandle           - Pointer to the FFS file header of the image.\r
-  ImageAddressArg      - Pointer to PE/TE image.\r
-  ImageSizeArg         - Size of PE/TE image.\r
-  EntryPoint           - Pointer to entry point of specified image file for output.\r
-  AuthenticationState  - Pointer to attestation authentication state of image.\r
-\r
-Returns:\r
-\r
-  Status - EFI_SUCCESS    - Image is successfully loaded.\r
-           EFI_NOT_FOUND  - Fail to locate necessary PPI\r
-           Others         - Fail to load file.\r
-\r
---*/\r

 {\r
   EFI_STATUS                  Status;\r
   VOID                        *Pe32Data;\r
 {\r
   EFI_STATUS                  Status;\r
   VOID                        *Pe32Data;\r


@@ -426,12 +355,12 @@ Returns:
     // Print debug message: Loading PEIM at 0x12345678 EntryPoint=0x12345688 Driver.efi\r
     //\r
     if (Machine != IMAGE_FILE_MACHINE_IA64) {\r
     // Print debug message: Loading PEIM at 0x12345678 EntryPoint=0x12345688 Driver.efi\r
     //\r
     if (Machine != IMAGE_FILE_MACHINE_IA64) {\r

-      DEBUG ((EFI_D_INFO | EFI_D_LOAD, "Loading PEIM at 0x%10p EntryPoint=0x%10p ", (VOID *)(UINTN)ImageAddress, (VOID *)(UINTN)*EntryPoint));\r
+      DEBUG ((EFI_D_INFO | EFI_D_LOAD, "Loading PEIM at 0x%11p EntryPoint=0x%11p ", (VOID *)(UINTN)ImageAddress, (VOID *)(UINTN)*EntryPoint));\r

     } else {\r
       //\r
       // For IPF Image, the real entry point should be print.\r
       //\r
     } else {\r
       //\r
       // For IPF Image, the real entry point should be print.\r
       //\r

-      DEBUG ((EFI_D_INFO | EFI_D_LOAD, "Loading PEIM at 0x%10p EntryPoint=0x%10p ", (VOID *)(UINTN)ImageAddress, (VOID *)(UINTN)(*(UINT64 *)(UINTN)*EntryPoint)));\r
+      DEBUG ((EFI_D_INFO | EFI_D_LOAD, "Loading PEIM at 0x%11p EntryPoint=0x%11p ", (VOID *)(UINTN)ImageAddress, (VOID *)(UINTN)(*(UINT64 *)(UINTN)*EntryPoint)));\r

     }\r
     \r
     //\r
     }\r
     \r
     //\r


@@ -464,6 +393,19 @@ Returns:
 }\r
 \r
 \r
 }\r
 \r
 \r

+/**\r
+  The wrapper function of PeiLoadImageLoadImage().\r
+\r
+  @param This            - Pointer to EFI_PEI_LOAD_FILE_PPI.\r
+  @param FileHandle      - Pointer to the FFS file header of the image.\r
+  @param ImageAddressArg - Pointer to PE/TE image.\r
+  @param ImageSizeArg    - Size of PE/TE image.\r
+  @param EntryPoint      - Pointer to entry point of specified image file for output.\r
+  @param AuthenticationState - Pointer to attestation authentication state of image.\r
+\r
+  @return Status of PeiLoadImageLoadImage().\r
+\r
+**/\r

 EFI_STATUS\r
 EFIAPI\r
 PeiLoadImageLoadImageWrapper (\r
 EFI_STATUS\r
 EFIAPI\r
 PeiLoadImageLoadImageWrapper (\r


@@ -474,27 +416,6 @@ PeiLoadImageLoadImageWrapper (
   OUT    EFI_PHYSICAL_ADDRESS         *EntryPoint,\r
   OUT    UINT32                       *AuthenticationState\r
   )\r
   OUT    EFI_PHYSICAL_ADDRESS         *EntryPoint,\r
   OUT    UINT32                       *AuthenticationState\r
   )\r

-/*++\r
-\r
-Routine Description:\r
-\r
-  The wrapper function of PeiLoadImageLoadImage().\r
-\r
-Arguments:\r
-\r
-  This                 - Pointer to EFI_PEI_LOAD_FILE_PPI.\r
-  PeiServices          - The PEI core services table.\r
-  FileHandle           - Pointer to the FFS file header of the image.\r
-  ImageAddressArg      - Pointer to PE/TE image.\r
-  ImageSizeArg         - Size of PE/TE image.\r
-  EntryPoint           - Pointer to entry point of specified image file for output.\r
-  AuthenticationState  - Pointer to attestation authentication state of image.\r
-\r
-Returns:\r
-\r
-  EFI_STATUS.\r
-  \r
---*/      \r

 {\r
   return PeiLoadImageLoadImage (\r
            GetPeiServicesTablePointer (),\r
 {\r
   return PeiLoadImageLoadImage (\r
            GetPeiServicesTablePointer (),\r


@@ -506,6 +427,21 @@ Returns:
            );\r
 }\r
 \r
            );\r
 }\r
 \r

+/**\r
+\r
+  Routine for load image file.\r
+\r
+\r
+  @param PeiServices     - The PEI core services table.\r
+  @param FileHandle      - Pointer to the FFS file header of the image.\r
+  @param EntryPoint      - Pointer to entry point of specified image file for output.\r
+  @param AuthenticationState - Pointer to attestation authentication state of image.\r
+\r
+  @retval EFI_SUCCESS    - Image is successfully loaded.\r
+  @retval EFI_NOT_FOUND  - Fail to locate necessary PPI\r
+  @retval Others         - Fail to load file.\r
+\r
+**/\r

 EFI_STATUS\r
 PeiLoadImage (\r
   IN     EFI_PEI_SERVICES             **PeiServices,\r
 EFI_STATUS\r
 PeiLoadImage (\r
   IN     EFI_PEI_SERVICES             **PeiServices,\r


@@ -513,26 +449,6 @@ PeiLoadImage (
   OUT    EFI_PHYSICAL_ADDRESS         *EntryPoint,\r
   OUT    UINT32                       *AuthenticationState\r
   )\r
   OUT    EFI_PHYSICAL_ADDRESS         *EntryPoint,\r
   OUT    UINT32                       *AuthenticationState\r
   )\r

-/*++\r
-\r
-Routine Description:\r
-\r
-  Routine for load image file.\r
-\r
-Arguments:\r
-\r
-  PeiServices          - The PEI core services table.\r
-  FileHandle           - Pointer to the FFS file header of the image.\r
-  EntryPoint           - Pointer to entry point of specified image file for output.\r
-  AuthenticationState  - Pointer to attestation authentication state of image.\r
-\r
-Returns:\r
-\r
-  Status - EFI_SUCCESS    - Image is successfully loaded.\r
-           EFI_NOT_FOUND  - Fail to locate necessary PPI\r
-           Others         - Fail to load file.\r
-  \r
---*/    \r

 {\r
   EFI_STATUS              PpiStatus;\r
   EFI_STATUS              Status;\r
 {\r
   EFI_STATUS              PpiStatus;\r
   EFI_STATUS              Status;\r


@@ -585,27 +501,21 @@ Returns:
 }\r
 \r
 \r
 }\r
 \r
 \r

+/**\r
+  Initialize image service that install PeiLoadFilePpi.\r
+\r
+  @param PrivateData     Pointer to PeiCore's private data structure PEI_CORE_INSTANCE.\r
+  @param OldCoreData     Pointer to Old PeiCore's private data.\r
+                         If NULL, PeiCore is entered at first time, stack/heap in temporary memory.\r
+                         If not NULL, PeiCore is entered at second time, stack/heap has been moved\r
+                         to permenent memory.\r
+\r
+**/\r

 VOID\r
 InitializeImageServices (\r
   IN  PEI_CORE_INSTANCE   *PrivateData,\r
   IN  PEI_CORE_INSTANCE   *OldCoreData\r
   )\r
 VOID\r
 InitializeImageServices (\r
   IN  PEI_CORE_INSTANCE   *PrivateData,\r
   IN  PEI_CORE_INSTANCE   *OldCoreData\r
   )\r

-/*++\r
-\r
-Routine Description:\r
-\r
-  Install Pei Load File PPI.\r
-\r
-Arguments:\r
-\r
-  PrivateData    - Pointer to PEI_CORE_INSTANCE.\r
-  OldCoreData    - Pointer to PEI_CORE_INSTANCE.\r
-\r
-Returns:\r
-\r
-  NONE.\r
-  \r
---*/      \r

 {\r
   if (OldCoreData == NULL) {\r
     //\r
 {\r
   if (OldCoreData == NULL) {\r
     //\r