Enable PeiCore to dispatch the encapsulated fv images with depex expression. This feature can process the different fv images in the different boot path, which is useful for boot performance and image size.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4366 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 43 insertions, 168 deletions

diff --git a/MdeModulePkg/Core/DxeIplPeim/DxeLoad.c b/MdeModulePkg/Core/DxeIplPeim/DxeLoad.c
index b7cadedd89..65d0e86d75 100644
--- a/MdeModulePkg/Core/DxeIplPeim/DxeLoad.c
+++ b/MdeModulePkg/Core/DxeIplPeim/DxeLoad.c
@@ -135,11 +135,11 @@ PeimInitializeDxeIpl (
   }

   

   //

-  // Install FvFileLoader and DxeIpl PPIs.

+  // Install DxeIpl and Decompress PPIs.

   //

   Status = PeiServicesInstallPpi (mPpiList);

-  ASSERT_EFI_ERROR(Status);  

-	

+  ASSERT_EFI_ERROR(Status);

+

   return Status;

 }

 

@@ -167,9 +167,7 @@ DxeLoadCore (
   UINT64                                    DxeCoreSize;

   EFI_PHYSICAL_ADDRESS                      DxeCoreEntryPoint;

   EFI_BOOT_MODE                             BootMode;

-  EFI_PEI_FV_HANDLE                         VolumeHandle;

   EFI_PEI_FILE_HANDLE                       FileHandle;

-  UINTN                                     Instance;

   EFI_PEI_READ_ONLY_VARIABLE2_PPI           *Variable;

   UINTN                                     DataSize;

   EFI_MEMORY_TYPE_INFORMATION               MemoryData [EfiMaxMemoryType + 1];

@@ -194,7 +192,7 @@ DxeLoadCore (
     // Now should have a HOB with the DXE core w/ the old HOB destroyed

     //

   }

-  

+

   Status = PeiServicesLocatePpi (

              &gEfiPeiReadOnlyVariable2PpiGuid,

              0,

@@ -223,16 +221,12 @@ DxeLoadCore (
       DataSize

       );

   }

-  //

-  // If any FV contains an encapsulated FV extract that FV

-  //

-  DxeIplAddEncapsulatedFirmwareVolumes ();

-  

+

   //

   // Look in all the FVs present in PEI and find the DXE Core

   //

-  Instance = 0;

-  Status = DxeIplFindFirmwareVolumeInstance (&Instance, EFI_FV_FILETYPE_DXE_CORE, &VolumeHandle, &FileHandle);

+  FileHandle = NULL;

+  Status = DxeIplFindDxeCore (&FileHandle);

   ASSERT_EFI_ERROR (Status);

 

   CopyMem(&DxeCoreFileName, &(((EFI_FFS_FILE_HEADER*)FileHandle)->Name), sizeof (EFI_GUID));

@@ -297,171 +291,38 @@ DxeLoadCore (
   return EFI_OUT_OF_RESOURCES;

 }

 

-

-STATIC

-EFI_STATUS

-GetFvAlignment (

-  IN    EFI_FIRMWARE_VOLUME_HEADER   *FvHeader,

-  OUT   UINT32                      *FvAlignment

-  )

-{

-  //

-  // Because FvLength in FvHeader is UINT64 type, 

-  // so FvHeader must meed at least 8 bytes alignment.

-  // Get the appropriate alignment requirement.

-  // 

-  if ((FvHeader->Attributes & EFI_FVB2_ALIGNMENT) < EFI_FVB2_ALIGNMENT_8) {

-    return EFI_UNSUPPORTED;

-  }

-  

-   *FvAlignment = 1 << ((FvHeader->Attributes & EFI_FVB2_ALIGNMENT) >> 16);

-   return EFI_SUCCESS;

-}

-

-/**

-   Search EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE image and expand 

-   as memory FV 

-    

-   @return EFI_OUT_OF_RESOURCES There are no memory space to exstract FV

-   @return EFI_SUCESS           Sucess to find the FV 

-**/

-EFI_STATUS

-DxeIplAddEncapsulatedFirmwareVolumes (

-  VOID

-  )

-{

-  EFI_STATUS                  Status;

-  EFI_STATUS                  VolumeStatus;

-  UINTN                       Index;

-  EFI_FV_INFO                 VolumeInfo; 

-  EFI_PEI_FV_HANDLE           VolumeHandle;

-  EFI_PEI_FILE_HANDLE         FileHandle;

-  UINT32                      SectionLength;

-  EFI_FIRMWARE_VOLUME_HEADER  *FvHeader;

-  EFI_FIRMWARE_VOLUME_IMAGE_SECTION *SectionHeader;

-  VOID                        *DstBuffer;

-  UINT32                       FvAlignment;

-

-  Status = EFI_NOT_FOUND;

-  Index  = 0;

-

-  do {

-    VolumeStatus = DxeIplFindFirmwareVolumeInstance (

-                    &Index, 

-                    EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE, 

-                    &VolumeHandle, 

-                    &FileHandle

-                    );

-                    

-    if (!EFI_ERROR (VolumeStatus)) {

-         Status = PeiServicesFfsFindSectionData (

-                    EFI_SECTION_FIRMWARE_VOLUME_IMAGE, 

-                    (EFI_FFS_FILE_HEADER *)FileHandle, 

-                    (VOID **)&FvHeader

-                    );

-                    

-      if (!EFI_ERROR (Status)) {

-        if (FvHeader->Signature == EFI_FVH_SIGNATURE) {

-          //

-          // Because FvLength in FvHeader is UINT64 type, 

-          // so FvHeader must meed at least 8 bytes alignment.

-          // If current FvImage base address doesn't meet its alignment,

-          // we need to reload this FvImage to another correct memory address.

-          //

-          Status = GetFvAlignment(FvHeader, &FvAlignment); 

-          if (EFI_ERROR(Status)) {

-            return Status;

-          }

-          if (((UINTN) FvHeader % FvAlignment) != 0) {

-            SectionHeader = (EFI_FIRMWARE_VOLUME_IMAGE_SECTION*)((UINTN)FvHeader - sizeof(EFI_FIRMWARE_VOLUME_IMAGE_SECTION));

-            SectionLength =  *(UINT32 *)SectionHeader->Size & 0x00FFFFFF;

-            

-            DstBuffer = AllocateAlignedPages (EFI_SIZE_TO_PAGES ((UINTN) SectionLength - sizeof (EFI_COMMON_SECTION_HEADER)), FvAlignment);

-            if (DstBuffer == NULL) {

-              return EFI_OUT_OF_RESOURCES;

-            }

-            CopyMem (DstBuffer, FvHeader, (UINTN) SectionLength - sizeof (EFI_COMMON_SECTION_HEADER));

-            FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) DstBuffer;  

-          }

-

-          //

-          // This new Firmware Volume comes from a firmware file within a firmware volume.

-          // Record the original Firmware Volume Name.

-          //

-          PeiServicesFfsGetVolumeInfo (&VolumeHandle, &VolumeInfo);

-

-          PiLibInstallFvInfoPpi (

-            NULL,

-            FvHeader,

-            (UINT32) FvHeader->FvLength,

-            &(VolumeInfo.FvName),

-            &(((EFI_FFS_FILE_HEADER*)FileHandle)->Name)

-            );

-

-          //

-          // Inform HOB consumer phase, i.e. DXE core, the existance of this FV

-          //

-          BuildFvHob (

-            (EFI_PHYSICAL_ADDRESS) (UINTN) FvHeader,

-            FvHeader->FvLength

-          );

-            

-          ASSERT_EFI_ERROR (Status);

-

-          //

-          // Makes the encapsulated volume show up in DXE phase to skip processing of

-          // encapsulated file again.

-          //

-          BuildFv2Hob (

-            (EFI_PHYSICAL_ADDRESS)(UINTN)FvHeader,

-            FvHeader->FvLength, 

-            &VolumeInfo.FvName,

-            &(((EFI_FFS_FILE_HEADER *)FileHandle)->Name)

-            );

-          return Status;

-        }

-      }

-    }

-  } while (!EFI_ERROR (VolumeStatus));

-  

-  return Status;

-}

-

 /**

-   Find the First Volume that contains the first FileType.

+   Find DxeCore driver from all First Volumes.

 

-   @param Instance      The Fv instance.

-   @param SeachType     The type of file to search.

-   @param VolumeHandle  Pointer to Fv which contains the file to search. 

    @param FileHandle    Pointer to FFS file to search.

    

    @return EFI_SUCESS   Success to find the FFS in specificed FV

    @return others       Fail to find the FFS in specificed FV

  */

 EFI_STATUS

-DxeIplFindFirmwareVolumeInstance (

-  IN OUT UINTN              *Instance,

-  IN  EFI_FV_FILETYPE       SeachType,

-  OUT EFI_PEI_FV_HANDLE     *VolumeHandle,

+DxeIplFindDxeCore (

   OUT EFI_PEI_FILE_HANDLE   *FileHandle

   )

 {

-  EFI_STATUS  Status;

-  EFI_STATUS  VolumeStatus;

+  EFI_STATUS        Status;

+  EFI_STATUS        FileStatus;

+  UINTN             Instance;

+  EFI_PEI_FV_HANDLE VolumeHandle;

+  

+  Instance    = 0;

+  *FileHandle = NULL;

 

   do {

-    VolumeStatus = PeiServicesFfsFindNextVolume (*Instance, VolumeHandle);

-    if (!EFI_ERROR (VolumeStatus)) {

-      *FileHandle = NULL;

-      Status = PeiServicesFfsFindNextFile (SeachType, *VolumeHandle, FileHandle);

-      if (!EFI_ERROR (Status)) {

-        return Status;

+    Status = PeiServicesFfsFindNextVolume (Instance++, &VolumeHandle);

+    if (!EFI_ERROR (Status)) {

+      FileStatus = PeiServicesFfsFindNextFile (EFI_FV_FILETYPE_DXE_CORE, VolumeHandle, FileHandle);

+      if (!EFI_ERROR (FileStatus)) {

+        return FileStatus;

       }

     }

-    *Instance += 1;

-  } while (!EFI_ERROR (VolumeStatus));

+  } while (!EFI_ERROR (Status));

 

-  return VolumeStatus;

+  return EFI_NOT_FOUND;

 }

 

 /**

@@ -646,10 +507,16 @@ CustomGuidedSectionExtract (
     //

     // Allocate output buffer

     //

-    *OutputBuffer = AllocatePages (EFI_SIZE_TO_PAGES (OutputBufferSize));

+    *OutputBuffer = AllocatePages (EFI_SIZE_TO_PAGES (OutputBufferSize) + 1);

     if (*OutputBuffer == NULL) {

       return EFI_OUT_OF_RESOURCES;

     }

+    DEBUG ((EFI_D_INFO, "Customed Guided section Memory Size required is 0x%x and address is 0x%p\n", OutputBufferSize, *OutputBuffer));

+    //

+    // *OutputBuffer still is one section. Adjust *OutputBuffer offset, 

+    // skip EFI section header to make section data at page alignment.

+    //

+    *OutputBuffer = (VOID *)((UINT8 *) *OutputBuffer + EFI_PAGE_SIZE - sizeof (EFI_COMMON_SECTION_HEADER));

   }

   

   Status = ExtractGuidedSectionDecode (

@@ -728,13 +595,18 @@ Decompress (
       return EFI_OUT_OF_RESOURCES;

     }

     //

-    // Allocate destination buffer

+    // Allocate destination buffer, extra one page for adjustment 

     //

-    DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize));

+    DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize) + 1);

     if (DstBuffer == NULL) {

       return EFI_OUT_OF_RESOURCES;

     }

     //

+    // DstBuffer still is one section. Adjust DstBuffer offset, skip EFI section header

+    // to make section data at page alignment.

+    //

+    DstBuffer = DstBuffer + EFI_PAGE_SIZE - sizeof (EFI_COMMON_SECTION_HEADER);

+    //

     // Call decompress function

     //

     Status = UefiDecompress (

@@ -751,18 +623,21 @@ Decompress (
     }

     break;

 

-  // porting note the original branch for customized compress is removed, it should be change to use GUID compress

-

   case EFI_NOT_COMPRESSED:

     //

     // Allocate destination buffer

     //

     DstBufferSize = CompressionSection->UncompressedLength;

-    DstBuffer     = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize));

+    DstBuffer     = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize) + 1);

     if (DstBuffer == NULL) {

       return EFI_OUT_OF_RESOURCES;

     }

     //

+    // Adjust DstBuffer offset, skip EFI section header

+    // to make section data at page alignment.

+    //

+    DstBuffer = DstBuffer + EFI_PAGE_SIZE - sizeof (EFI_COMMON_SECTION_HEADER);

+    //

     // stream is not actually compressed, just encapsulated.  So just copy it.

     //

     CopyMem (DstBuffer, CompressionSection + 1, DstBufferSize);