diff options
Diffstat (limited to 'EdkCompatibilityPkg/Compatiblity/FvToFv2Thunk/FvToFv2Thunk.c')
| -rw-r--r-- | EdkCompatibilityPkg/Compatiblity/FvToFv2Thunk/FvToFv2Thunk.c | 619 |
1 files changed, 619 insertions, 0 deletions
diff --git a/EdkCompatibilityPkg/Compatiblity/FvToFv2Thunk/FvToFv2Thunk.c b/EdkCompatibilityPkg/Compatiblity/FvToFv2Thunk/FvToFv2Thunk.c new file mode 100644 index 0000000000..61b2b049ca --- /dev/null +++ b/EdkCompatibilityPkg/Compatiblity/FvToFv2Thunk/FvToFv2Thunk.c @@ -0,0 +1,619 @@ +/*++
+
+Copyright (c) 2006 - 2008 Intel Corporation. <BR>
+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:
+
+ FvToFv2Thunk.c
+
+Abstract:
+
+ DXE driver
+
+--*/
+
+#include <PiDxe.h>
+#include <Protocol/FirmwareVolume2.h>
+#include <Protocol/FirmwareVolume.h>
+#include <Library/BaseLib.h>
+#include <Library/DebugLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiDriverEntryPoint.h>
+#include <Library/UefiLib.h>
+#include <Library/MemoryAllocationLib.h>
+
+/**
+ Retrieves attributes, insures positive polarity of attribute bits, returns
+ resulting attributes in output parameter
+
+ @param This Calling context
+ @param Attributes output buffer which contains attributes
+
+ @retval EFI_INVALID_PARAMETER
+ @retval EFI_SUCCESS
+
+**/
+EFI_STATUS
+EFIAPI
+FvGetVolumeAttributes (
+ IN EFI_FIRMWARE_VOLUME_PROTOCOL *This,
+ OUT FRAMEWORK_EFI_FV_ATTRIBUTES *Attributes
+ );
+
+/**
+ Sets volume attributes
+
+ @param This Calling context
+ @param Attributes Buffer which contains attributes
+
+ @retval EFI_INVALID_PARAMETER
+ @retval EFI_DEVICE_ERROR
+ @retval EFI_SUCCESS
+
+**/
+EFI_STATUS
+EFIAPI
+FvSetVolumeAttributes (
+ IN EFI_FIRMWARE_VOLUME_PROTOCOL *This,
+ IN OUT FRAMEWORK_EFI_FV_ATTRIBUTES *Attributes
+ );
+
+/**
+ Read the requested file (NameGuid) and returns data in Buffer.
+
+ @param This Calling context
+ @param NameGuid Filename identifying which file to read
+ @param Buffer Pointer to pointer to buffer in which contents of file are returned.
+ <br>
+ If Buffer is NULL, only type, attributes, and size are returned as
+ there is no output buffer.
+ <br>
+ If Buffer != NULL and *Buffer == NULL, the output buffer is allocated
+ from BS pool by ReadFile
+ <br>
+ If Buffer != NULL and *Buffer != NULL, the output buffer has been
+ allocated by the caller and is being passed in.
+ @param BufferSize Indicates the buffer size passed in, and on output the size
+ required to complete the read
+ @param FoundType Indicates the type of the file who's data is returned
+ @param FileAttributes Indicates the attributes of the file who's data is resturned
+ @param AuthenticationStatus Indicates the authentication status of the data
+
+ @retval EFI_SUCCESS
+ @retval EFI_WARN_BUFFER_TOO_SMALL
+ @retval EFI_NOT_FOUND
+ @retval EFI_DEVICE_ERROR
+ @retval EFI_ACCESS_DENIED
+
+**/
+EFI_STATUS
+EFIAPI
+FvReadFile (
+ IN EFI_FIRMWARE_VOLUME_PROTOCOL *This,
+ IN EFI_GUID *NameGuid,
+ IN OUT VOID **Buffer,
+ IN OUT UINTN *BufferSize,
+ OUT EFI_FV_FILETYPE *FoundType,
+ OUT EFI_FV_FILE_ATTRIBUTES *FileAttributes,
+ OUT UINT32 *AuthenticationStatus
+ );
+
+/**
+ Read the requested section from the specified file and returns data in Buffer.
+
+ @param This Calling context
+ @param NameGuid Filename identifying the file from which to read
+ @param SectionType Indicates what section type to retrieve
+ @param SectionInstance Indicates which instance of SectionType to retrieve
+ @param Buffer Pointer to pointer to buffer in which contents of file are returned.
+ <br>
+ If Buffer is NULL, only type, attributes, and size are returned as
+ there is no output buffer.
+ <br>
+ If Buffer != NULL and *Buffer == NULL, the output buffer is allocated
+ from BS pool by ReadFile
+ <br>
+ If Buffer != NULL and *Buffer != NULL, the output buffer has been
+ allocated by the caller and is being passed in.
+ @param BufferSize Indicates the buffer size passed in, and on output the size
+ required to complete the read
+ @param AuthenticationStatus Indicates the authentication status of the data
+
+ @retval EFI_SUCCESS
+ @retval EFI_WARN_BUFFER_TOO_SMALL
+ @retval EFI_OUT_OF_RESOURCES
+ @retval EFI_NOT_FOUND
+ @retval EFI_DEVICE_ERROR
+ @retval EFI_ACCESS_DENIED
+
+**/
+EFI_STATUS
+EFIAPI
+FvReadSection (
+ IN EFI_FIRMWARE_VOLUME_PROTOCOL *This,
+ IN EFI_GUID *NameGuid,
+ IN EFI_SECTION_TYPE SectionType,
+ IN UINTN SectionInstance,
+ IN OUT VOID **Buffer,
+ IN OUT UINTN *BufferSize,
+ OUT UINT32 *AuthenticationStatus
+ );
+
+/**
+ Write the supplied file (NameGuid) to the FV.
+
+ @param This Calling context
+ @param NumberOfFiles Indicates the number of file records pointed to by FileData
+ @param WritePolicy Indicates the level of reliability of the write with respect to
+ things like power failure events.
+ @param FileData A pointer to an array of EFI_FV_WRITE_FILE_DATA structures. Each
+ element in the array indicates a file to write, and there are
+ NumberOfFiles elements in the input array.
+
+ @retval EFI_SUCCESS
+ @retval EFI_OUT_OF_RESOURCES
+ @retval EFI_DEVICE_ERROR
+ @retval EFI_WRITE_PROTECTED
+ @retval EFI_NOT_FOUND
+ @retval EFI_INVALID_PARAMETER
+
+**/
+EFI_STATUS
+EFIAPI
+FvWriteFile (
+ IN EFI_FIRMWARE_VOLUME_PROTOCOL *This,
+ IN UINT32 NumberOfFiles,
+ IN FRAMEWORK_EFI_FV_WRITE_POLICY WritePolicy,
+ IN FRAMEWORK_EFI_FV_WRITE_FILE_DATA *FileData
+ );
+
+/**
+ Given the input key, search for the next matching file in the volume.
+
+ @param This Calling context
+ @param Key Pointer to a caller allocated buffer that contains an implementation
+ specific key that is used to track where to begin searching on
+ successive calls.
+ @param FileType Indicates the file type to filter for
+ @param NameGuid Guid filename of the file found
+ @param Attributes Attributes of the file found
+ @param Size Size in bytes of the file found
+
+ @retval EFI_SUCCESS
+ @retval EFI_NOT_FOUND
+ @retval EFI_DEVICE_ERROR
+ @retval EFI_ACCESS_DENIED
+
+**/
+EFI_STATUS
+EFIAPI
+FvGetNextFile (
+ IN EFI_FIRMWARE_VOLUME_PROTOCOL *This,
+ IN OUT VOID *Key,
+ IN OUT EFI_FV_FILETYPE *FileType,
+ OUT EFI_GUID *NameGuid,
+ OUT EFI_FV_FILE_ATTRIBUTES *Attributes,
+ OUT UINTN *Size
+ );
+
+#define FIRMWARE_VOLUME_PRIVATE_DATA_SIGNATURE EFI_SIGNATURE_32 ('f', 'v', 't', 'h')
+
+typedef struct {
+ UINTN Signature;
+ EFI_FIRMWARE_VOLUME_PROTOCOL FirmwareVolume;
+ EFI_FIRMWARE_VOLUME2_PROTOCOL *FirmwareVolume2;
+} FIRMWARE_VOLUME_PRIVATE_DATA;
+
+#define FIRMWARE_VOLUME_PRIVATE_DATA_FROM_THIS(a) CR (a, FIRMWARE_VOLUME_PRIVATE_DATA, FirmwareVolume, FIRMWARE_VOLUME_PRIVATE_DATA_SIGNATURE)
+
+//
+// Firmware Volume Protocol template
+//
+EFI_EVENT mFvRegistration;
+
+FIRMWARE_VOLUME_PRIVATE_DATA gFirmwareVolumePrivateDataTemplate = {
+ FIRMWARE_VOLUME_PRIVATE_DATA_SIGNATURE,
+ {
+ FvGetVolumeAttributes,
+ FvSetVolumeAttributes,
+ FvReadFile,
+ FvReadSection,
+ FvWriteFile,
+ FvGetNextFile,
+ 0,
+ NULL
+ },
+ NULL
+};
+
+//
+// Module globals
+//
+
+VOID
+EFIAPI
+FvNotificationEvent (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ EFI_STATUS Status;
+ UINTN BufferSize;
+ EFI_HANDLE Handle;
+ FIRMWARE_VOLUME_PRIVATE_DATA *Private;
+ EFI_FIRMWARE_VOLUME_PROTOCOL *FirmwareVolume;
+
+ while (TRUE) {
+ BufferSize = sizeof (Handle);
+ Status = gBS->LocateHandle (
+ ByRegisterNotify,
+ &gEfiFirmwareVolume2ProtocolGuid,
+ mFvRegistration,
+ &BufferSize,
+ &Handle
+ );
+ if (EFI_ERROR (Status)) {
+ //
+ // Exit Path of While Loop....
+ //
+ break;
+ }
+
+ //
+ // Skip this handle if the Firmware Volume Protocol is already installed
+ //
+ Status = gBS->HandleProtocol (
+ Handle,
+ &gEfiFirmwareVolumeProtocolGuid,
+ (VOID **)&FirmwareVolume
+ );
+ if (!EFI_ERROR (Status)) {
+ continue;
+ }
+
+ //
+ // Allocate private data structure
+ //
+ Private = AllocateCopyPool (sizeof (FIRMWARE_VOLUME_PRIVATE_DATA), &gFirmwareVolumePrivateDataTemplate);
+ if (Private == NULL) {
+ continue;
+ }
+
+ //
+ // Retrieve the Firmware Volume2 Protocol
+ //
+ Status = gBS->HandleProtocol (
+ Handle,
+ &gEfiFirmwareVolume2ProtocolGuid,
+ (VOID **)&Private->FirmwareVolume2
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Fill in rest of private data structure
+ //
+ Private->FirmwareVolume.KeySize = Private->FirmwareVolume2->KeySize;
+ Private->FirmwareVolume.ParentHandle = Private->FirmwareVolume2->ParentHandle;
+
+ //
+ // Install Firmware Volume Protocol onto same handle
+ //
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &Handle,
+ &gEfiFirmwareVolumeProtocolGuid,
+ &Private->FirmwareVolume,
+ NULL
+ );
+ ASSERT_EFI_ERROR (Status);
+ }
+}
+
+
+/**
+ The user Entry Point for DXE driver. The user code starts with this function
+ as the real entry point for the image goes into a library that calls this
+ function.
+
+ @param[in] ImageHandle The firmware allocated handle for the EFI image.
+ @param[in] SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The entry point is executed successfully.
+ @retval other Some error occurs when executing this entry point.
+
+**/
+EFI_STATUS
+EFIAPI
+InitializeFirmwareVolume2 (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EfiCreateProtocolNotifyEvent (
+ &gEfiFirmwareVolume2ProtocolGuid,
+ TPL_CALLBACK,
+ FvNotificationEvent,
+ NULL,
+ &mFvRegistration
+ );
+ return EFI_SUCCESS;
+}
+
+/**
+ Retrieves attributes, insures positive polarity of attribute bits, returns
+ resulting attributes in output parameter
+
+ @param This Calling context
+ @param Attributes output buffer which contains attributes
+
+ @retval EFI_INVALID_PARAMETER
+ @retval EFI_SUCCESS
+
+**/
+EFI_STATUS
+EFIAPI
+FvGetVolumeAttributes (
+ IN EFI_FIRMWARE_VOLUME_PROTOCOL *This,
+ OUT FRAMEWORK_EFI_FV_ATTRIBUTES *Attributes
+ )
+{
+ EFI_STATUS Status;
+ FIRMWARE_VOLUME_PRIVATE_DATA *Private;
+ EFI_FIRMWARE_VOLUME2_PROTOCOL *FirmwareVolume2;
+
+ Private = FIRMWARE_VOLUME_PRIVATE_DATA_FROM_THIS (This);
+ FirmwareVolume2 = Private->FirmwareVolume2;
+
+ Status = FirmwareVolume2->GetVolumeAttributes (
+ FirmwareVolume2,
+ Attributes
+ );
+ if (!EFI_ERROR (Status)) {
+ *Attributes = (*Attributes & 0x1ff) | ((UINTN)EFI_FV_ALIGNMENT_2 << ((*Attributes & EFI_FV2_ALIGNMENT) >> 16));
+ }
+ return Status;
+}
+
+/**
+ Sets volume attributes
+
+ @param This Calling context
+ @param Attributes Buffer which contains attributes
+
+ @retval EFI_INVALID_PARAMETER
+ @retval EFI_DEVICE_ERROR
+ @retval EFI_SUCCESS
+
+**/
+EFI_STATUS
+EFIAPI
+FvSetVolumeAttributes (
+ IN EFI_FIRMWARE_VOLUME_PROTOCOL *This,
+ IN OUT FRAMEWORK_EFI_FV_ATTRIBUTES *Attributes
+ )
+{
+ FIRMWARE_VOLUME_PRIVATE_DATA *Private;
+ EFI_FIRMWARE_VOLUME2_PROTOCOL *FirmwareVolume2;
+ INTN Alignment;
+ EFI_FV_ATTRIBUTES Fv2Attributes;
+
+ Private = FIRMWARE_VOLUME_PRIVATE_DATA_FROM_THIS (This);
+ FirmwareVolume2 = Private->FirmwareVolume2;
+
+ Fv2Attributes = (*Attributes & 0x1ff);
+ Alignment = LowBitSet64 (RShiftU64 (*Attributes, 16) & 0xffff);
+ if (Alignment != -1) {
+ Fv2Attributes |= LShiftU64 (Alignment, 16);
+ }
+ return FirmwareVolume2->SetVolumeAttributes (
+ FirmwareVolume2,
+ &Fv2Attributes
+ );
+}
+
+/**
+ Read the requested file (NameGuid) and returns data in Buffer.
+
+ @param This Calling context
+ @param NameGuid Filename identifying which file to read
+ @param Buffer Pointer to pointer to buffer in which contents of file are returned.
+ <br>
+ If Buffer is NULL, only type, attributes, and size are returned as
+ there is no output buffer.
+ <br>
+ If Buffer != NULL and *Buffer == NULL, the output buffer is allocated
+ from BS pool by ReadFile
+ <br>
+ If Buffer != NULL and *Buffer != NULL, the output buffer has been
+ allocated by the caller and is being passed in.
+ @param BufferSize Indicates the buffer size passed in, and on output the size
+ required to complete the read
+ @param FoundType Indicates the type of the file who's data is returned
+ @param FileAttributes Indicates the attributes of the file who's data is resturned
+ @param AuthenticationStatus Indicates the authentication status of the data
+
+ @retval EFI_SUCCESS
+ @retval EFI_WARN_BUFFER_TOO_SMALL
+ @retval EFI_NOT_FOUND
+ @retval EFI_DEVICE_ERROR
+ @retval EFI_ACCESS_DENIED
+
+**/
+EFI_STATUS
+EFIAPI
+FvReadFile (
+ IN EFI_FIRMWARE_VOLUME_PROTOCOL *This,
+ IN EFI_GUID *NameGuid,
+ IN OUT VOID **Buffer,
+ IN OUT UINTN *BufferSize,
+ OUT EFI_FV_FILETYPE *FoundType,
+ OUT EFI_FV_FILE_ATTRIBUTES *FileAttributes,
+ OUT UINT32 *AuthenticationStatus
+ )
+{
+ FIRMWARE_VOLUME_PRIVATE_DATA *Private;
+ EFI_FIRMWARE_VOLUME2_PROTOCOL *FirmwareVolume2;
+
+ Private = FIRMWARE_VOLUME_PRIVATE_DATA_FROM_THIS (This);
+ FirmwareVolume2 = Private->FirmwareVolume2;
+
+ return FirmwareVolume2->ReadFile (
+ FirmwareVolume2,
+ NameGuid,
+ Buffer,
+ BufferSize,
+ FoundType,
+ FileAttributes,
+ AuthenticationStatus
+ );
+}
+
+/**
+ Read the requested section from the specified file and returns data in Buffer.
+
+ @param This Calling context
+ @param NameGuid Filename identifying the file from which to read
+ @param SectionType Indicates what section type to retrieve
+ @param SectionInstance Indicates which instance of SectionType to retrieve
+ @param Buffer Pointer to pointer to buffer in which contents of file are returned.
+ <br>
+ If Buffer is NULL, only type, attributes, and size are returned as
+ there is no output buffer.
+ <br>
+ If Buffer != NULL and *Buffer == NULL, the output buffer is allocated
+ from BS pool by ReadFile
+ <br>
+ If Buffer != NULL and *Buffer != NULL, the output buffer has been
+ allocated by the caller and is being passed in.
+ @param BufferSize Indicates the buffer size passed in, and on output the size
+ required to complete the read
+ @param AuthenticationStatus Indicates the authentication status of the data
+
+ @retval EFI_SUCCESS
+ @retval EFI_WARN_BUFFER_TOO_SMALL
+ @retval EFI_OUT_OF_RESOURCES
+ @retval EFI_NOT_FOUND
+ @retval EFI_DEVICE_ERROR
+ @retval EFI_ACCESS_DENIED
+
+**/
+EFI_STATUS
+EFIAPI
+FvReadSection (
+ IN EFI_FIRMWARE_VOLUME_PROTOCOL *This,
+ IN EFI_GUID *NameGuid,
+ IN EFI_SECTION_TYPE SectionType,
+ IN UINTN SectionInstance,
+ IN OUT VOID **Buffer,
+ IN OUT UINTN *BufferSize,
+ OUT UINT32 *AuthenticationStatus
+ )
+{
+ FIRMWARE_VOLUME_PRIVATE_DATA *Private;
+ EFI_FIRMWARE_VOLUME2_PROTOCOL *FirmwareVolume2;
+
+ Private = FIRMWARE_VOLUME_PRIVATE_DATA_FROM_THIS (This);
+ FirmwareVolume2 = Private->FirmwareVolume2;
+
+ return FirmwareVolume2->ReadSection (
+ FirmwareVolume2,
+ NameGuid,
+ SectionType,
+ SectionInstance,
+ Buffer,
+ BufferSize,
+ AuthenticationStatus
+ );
+}
+
+/**
+ Write the supplied file (NameGuid) to the FV.
+
+ @param This Calling context
+ @param NumberOfFiles Indicates the number of file records pointed to by FileData
+ @param WritePolicy Indicates the level of reliability of the write with respect to
+ things like power failure events.
+ @param FileData A pointer to an array of EFI_FV_WRITE_FILE_DATA structures. Each
+ element in the array indicates a file to write, and there are
+ NumberOfFiles elements in the input array.
+
+ @retval EFI_SUCCESS
+ @retval EFI_OUT_OF_RESOURCES
+ @retval EFI_DEVICE_ERROR
+ @retval EFI_WRITE_PROTECTED
+ @retval EFI_NOT_FOUND
+ @retval EFI_INVALID_PARAMETER
+
+**/
+EFI_STATUS
+EFIAPI
+FvWriteFile (
+ IN EFI_FIRMWARE_VOLUME_PROTOCOL *This,
+ IN UINT32 NumberOfFiles,
+ IN FRAMEWORK_EFI_FV_WRITE_POLICY WritePolicy,
+ IN FRAMEWORK_EFI_FV_WRITE_FILE_DATA *FileData
+ )
+{
+ FIRMWARE_VOLUME_PRIVATE_DATA *Private;
+ EFI_FIRMWARE_VOLUME2_PROTOCOL *FirmwareVolume2;
+
+ Private = FIRMWARE_VOLUME_PRIVATE_DATA_FROM_THIS (This);
+ FirmwareVolume2 = Private->FirmwareVolume2;
+
+ return FirmwareVolume2->WriteFile (
+ FirmwareVolume2,
+ NumberOfFiles,
+ WritePolicy,
+ (EFI_FV_WRITE_FILE_DATA *)FileData
+ );
+}
+
+/**
+ Given the input key, search for the next matching file in the volume.
+
+ @param This Calling context
+ @param Key Pointer to a caller allocated buffer that contains an implementation
+ specific key that is used to track where to begin searching on
+ successive calls.
+ @param FileType Indicates the file type to filter for
+ @param NameGuid Guid filename of the file found
+ @param Attributes Attributes of the file found
+ @param Size Size in bytes of the file found
+
+ @retval EFI_SUCCESS
+ @retval EFI_NOT_FOUND
+ @retval EFI_DEVICE_ERROR
+ @retval EFI_ACCESS_DENIED
+
+**/
+EFI_STATUS
+EFIAPI
+FvGetNextFile (
+ IN EFI_FIRMWARE_VOLUME_PROTOCOL *This,
+ IN OUT VOID *Key,
+ IN OUT EFI_FV_FILETYPE *FileType,
+ OUT EFI_GUID *NameGuid,
+ OUT EFI_FV_FILE_ATTRIBUTES *Attributes,
+ OUT UINTN *Size
+ )
+{
+ FIRMWARE_VOLUME_PRIVATE_DATA *Private;
+ EFI_FIRMWARE_VOLUME2_PROTOCOL *FirmwareVolume2;
+
+ Private = FIRMWARE_VOLUME_PRIVATE_DATA_FROM_THIS (This);
+ FirmwareVolume2 = Private->FirmwareVolume2;
+
+ return FirmwareVolume2->GetNextFile (
+ FirmwareVolume2,
+ Key,
+ FileType,
+ NameGuid,
+ Attributes,
+ Size
+ );
+}
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