mirror of
https://github.com/acidanthera/audk.git
synced 2025-04-08 17:05:09 +02:00
Ring3: Added EFI_FILE_PROTOCOL wrappers.
This commit is contained in:
Mikhail Krichanov
parent
126b21b719
commit
1836c35027
@ -12,7 +12,11 @@ EFI_SIMPLE_FILE_SYSTEM_PROTOCOL mRing3SimpleFileSystemProtocol;
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EFI_FILE_PROTOCOL mRing3FileProtocol;
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EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *mRing3SimpleFileSystemPointer;
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EFI_FILE_PROTOCOL *mRing3FilePointer;
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typedef struct {
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EFI_FILE_PROTOCOL Protocol;
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EFI_FILE_PROTOCOL *Ring3File;
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} RING3_EFI_FILE_PROTOCOL;
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EFI_STATUS
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EFIAPI
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@ -186,28 +190,30 @@ CoreDriverBindingStop (
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return Status;
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}
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EFI_STATUS
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EFIAPI
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CoreFileOpen (
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IN EFI_FILE_PROTOCOL *This,
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OUT EFI_FILE_PROTOCOL **NewHandle,
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IN CHAR16 *FileName,
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IN UINT64 OpenMode,
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IN UINT64 Attributes
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)
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{
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return EFI_UNSUPPORTED;
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}
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STATIC
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EFI_STATUS
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EFIAPI
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CoreFileClose (
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IN EFI_FILE_PROTOCOL *This
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)
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{
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return EFI_UNSUPPORTED;
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EFI_STATUS Status;
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RING3_EFI_FILE_PROTOCOL *File;
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File = (RING3_EFI_FILE_PROTOCOL *)This;
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Status = GoToRing3 (
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1,
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(VOID *)mRing3FileProtocol.Close,
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File->Ring3File
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);
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FreePool (This);
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return Status;
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}
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STATIC
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EFI_STATUS
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EFIAPI
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CoreFileDelete (
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@ -217,6 +223,7 @@ CoreFileDelete (
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return EFI_UNSUPPORTED;
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}
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STATIC
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EFI_STATUS
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EFIAPI
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CoreFileRead (
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@ -225,9 +232,56 @@ CoreFileRead (
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OUT VOID *Buffer
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)
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{
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return EFI_UNSUPPORTED;
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EFI_STATUS Status;
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RING3_EFI_FILE_PROTOCOL *File;
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UINTN *Ring3BufferSize;
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VOID *Ring3Buffer;
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File = (RING3_EFI_FILE_PROTOCOL *)This;
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DEBUG ((DEBUG_INFO, "Ring3 Read: check 1\n"));
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DisableSMAP ();
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Status = CoreAllocatePool (EfiRing3MemoryType, sizeof (UINTN *), (VOID **)&Ring3BufferSize);
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if (EFI_ERROR (Status)) {
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EnableSMAP ();
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return Status;
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}
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Status = CoreAllocatePool (EfiRing3MemoryType, *BufferSize, (VOID **)&Ring3Buffer);
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if (EFI_ERROR (Status)) {
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FreePool (Ring3BufferSize);
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EnableSMAP ();
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return Status;
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}
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EnableSMAP ();
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DEBUG ((DEBUG_INFO, "Ring3 Read: check 2\n"));
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Status = GoToRing3 (
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3,
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(VOID *)mRing3FileProtocol.Read,
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File->Ring3File,
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Ring3BufferSize,
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Ring3Buffer
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);
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DEBUG ((DEBUG_INFO, "Ring3 Read: check 3\n"));
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DisableSMAP ();
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if ((!EFI_ERROR (Status)) && (Ring3Buffer != NULL) && (Buffer != NULL)) {
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CopyMem (Buffer, Ring3Buffer, *Ring3BufferSize);
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FreePool (Ring3Buffer);
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}
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*BufferSize = *Ring3BufferSize;
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DEBUG ((DEBUG_INFO, "Ring3 Read: check 3.5\n"));
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FreePool (Ring3BufferSize);
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EnableSMAP ();
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DEBUG ((DEBUG_INFO, "Ring3 Read: check 4\n"));
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return Status;
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}
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STATIC
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EFI_STATUS
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EFIAPI
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CoreFileWrite (
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@ -239,6 +293,7 @@ CoreFileWrite (
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return EFI_UNSUPPORTED;
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}
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STATIC
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EFI_STATUS
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EFIAPI
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CoreFileSetPosition (
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@ -246,9 +301,19 @@ CoreFileSetPosition (
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IN UINT64 Position
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)
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{
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return EFI_UNSUPPORTED;
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RING3_EFI_FILE_PROTOCOL *File;
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File = (RING3_EFI_FILE_PROTOCOL *)This;
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return GoToRing3 (
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2,
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(VOID *)mRing3FileProtocol.SetPosition,
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File->Ring3File,
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Position
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);
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}
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STATIC
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EFI_STATUS
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EFIAPI
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CoreFileGetPosition (
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@ -256,9 +321,36 @@ CoreFileGetPosition (
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OUT UINT64 *Position
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)
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{
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return EFI_UNSUPPORTED;
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EFI_STATUS Status;
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RING3_EFI_FILE_PROTOCOL *File;
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UINT64 *Ring3Position;
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File = (RING3_EFI_FILE_PROTOCOL *)This;
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DisableSMAP ();
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Status = CoreAllocatePool (EfiRing3MemoryType, sizeof (UINT64), (VOID **)&Ring3Position);
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EnableSMAP ();
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if (EFI_ERROR (Status)) {
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return Status;
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}
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Status = GoToRing3 (
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2,
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(VOID *)mRing3FileProtocol.GetPosition,
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File->Ring3File,
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Ring3Position
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);
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DisableSMAP ();
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*Position = *Ring3Position;
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FreePool (Ring3Position);
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EnableSMAP ();
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return Status;
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}
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STATIC
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EFI_STATUS
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EFIAPI
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CoreFileGetInfo (
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@ -268,9 +360,62 @@ CoreFileGetInfo (
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OUT VOID *Buffer
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)
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{
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return EFI_UNSUPPORTED;
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EFI_STATUS Status;
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RING3_EFI_FILE_PROTOCOL *File;
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EFI_GUID *Ring3InformationType;
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UINTN *Ring3BufferSize;
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VOID *Ring3Buffer;
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File = (RING3_EFI_FILE_PROTOCOL *)This;
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DisableSMAP ();
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Status = CoreAllocatePool (EfiRing3MemoryType, sizeof (UINTN *), (VOID **)&Ring3BufferSize);
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if (EFI_ERROR (Status)) {
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EnableSMAP ();
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return Status;
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}
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Status = CoreAllocatePool (EfiRing3MemoryType, *BufferSize, (VOID **)&Ring3Buffer);
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if (EFI_ERROR (Status)) {
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FreePool (Ring3BufferSize);
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EnableSMAP ();
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return Status;
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}
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Status = CoreAllocatePool (EfiRing3MemoryType, sizeof (EFI_GUID), (VOID **)&Ring3InformationType);
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if (EFI_ERROR (Status)) {
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FreePool (Ring3BufferSize);
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FreePool (Ring3Buffer);
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EnableSMAP ();
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return Status;
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}
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CopyGuid (Ring3InformationType, InformationType);
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EnableSMAP ();
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Status = GoToRing3 (
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4,
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(VOID *)mRing3FileProtocol.GetInfo,
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File->Ring3File,
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Ring3InformationType,
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Ring3BufferSize,
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Ring3Buffer
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);
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DisableSMAP ();
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*BufferSize = *Ring3BufferSize;
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CopyMem (Buffer, Ring3Buffer, *Ring3BufferSize);
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FreePool (Ring3BufferSize);
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FreePool (Ring3Buffer);
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FreePool (Ring3InformationType);
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EnableSMAP ();
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return Status;
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}
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STATIC
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EFI_STATUS
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EFIAPI
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CoreFileSetInfo (
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@ -283,6 +428,7 @@ CoreFileSetInfo (
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return EFI_UNSUPPORTED;
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}
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STATIC
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EFI_STATUS
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EFIAPI
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CoreFileFlush (
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@ -292,6 +438,7 @@ CoreFileFlush (
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return EFI_UNSUPPORTED;
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}
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STATIC
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EFI_STATUS
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EFIAPI
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CoreFileOpenEx (
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@ -306,6 +453,7 @@ CoreFileOpenEx (
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return EFI_UNSUPPORTED;
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}
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STATIC
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EFI_STATUS
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EFIAPI
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CoreFileReadEx (
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@ -316,6 +464,7 @@ CoreFileReadEx (
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return EFI_UNSUPPORTED;
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}
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STATIC
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EFI_STATUS
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EFIAPI
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CoreFileWriteEx (
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@ -326,6 +475,7 @@ CoreFileWriteEx (
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return EFI_UNSUPPORTED;
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}
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STATIC
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EFI_STATUS
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EFIAPI
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CoreFileFlushEx (
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@ -336,6 +486,104 @@ CoreFileFlushEx (
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return EFI_UNSUPPORTED;
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}
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STATIC
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EFI_STATUS
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EFIAPI
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CoreFileOpen (
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IN EFI_FILE_PROTOCOL *This,
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OUT EFI_FILE_PROTOCOL **NewHandle,
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IN CHAR16 *FileName,
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IN UINT64 OpenMode,
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IN UINT64 Attributes
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)
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{
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EFI_STATUS Status;
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RING3_EFI_FILE_PROTOCOL *File;
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RING3_EFI_FILE_PROTOCOL *NewFile;
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EFI_FILE_PROTOCOL **Ring3NewHandle;
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CHAR16 *Ring3FileName;
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File = (RING3_EFI_FILE_PROTOCOL *)This;
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DisableSMAP ();
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Status = CoreAllocatePool (EfiRing3MemoryType, sizeof (EFI_FILE_PROTOCOL *), (VOID **)&Ring3NewHandle);
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if (EFI_ERROR (Status)) {
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EnableSMAP ();
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return Status;
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}
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Status = CoreAllocatePool (EfiRing3MemoryType, StrSize (FileName), (VOID **)&Ring3FileName);
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if (EFI_ERROR (Status)) {
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FreePool (Ring3NewHandle);
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EnableSMAP ();
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return Status;
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}
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Status = StrCpyS (Ring3FileName, StrLen (FileName) + 1, FileName);
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if (EFI_ERROR (Status)) {
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FreePool (Ring3NewHandle);
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FreePool (Ring3FileName);
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EnableSMAP ();
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return Status;
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}
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EnableSMAP ();
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Status = GoToRing3 (
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5,
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(VOID *)mRing3FileProtocol.Open,
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File->Ring3File,
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Ring3NewHandle,
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Ring3FileName,
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OpenMode,
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Attributes
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);
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if (EFI_ERROR (Status)) {
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*NewHandle = NULL;
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DisableSMAP ();
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FreePool (Ring3NewHandle);
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FreePool (Ring3FileName);
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EnableSMAP ();
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return Status;
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}
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NewFile = AllocatePool (sizeof (RING3_EFI_FILE_PROTOCOL));
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if (NewFile == NULL) {
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*NewHandle = NULL;
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DisableSMAP ();
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FreePool (Ring3NewHandle);
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FreePool (Ring3FileName);
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EnableSMAP ();
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return EFI_OUT_OF_RESOURCES;
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}
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NewFile->Protocol.Revision = mRing3FileProtocol.Revision;
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NewFile->Protocol.Open = CoreFileOpen;
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NewFile->Protocol.Close = CoreFileClose;
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NewFile->Protocol.Delete = CoreFileDelete;
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NewFile->Protocol.Read = CoreFileRead;
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NewFile->Protocol.Write = CoreFileWrite;
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NewFile->Protocol.GetPosition = CoreFileGetPosition;
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NewFile->Protocol.SetPosition = CoreFileSetPosition;
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NewFile->Protocol.GetInfo = CoreFileGetInfo;
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NewFile->Protocol.SetInfo = CoreFileSetInfo;
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NewFile->Protocol.Flush = CoreFileFlush;
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NewFile->Protocol.OpenEx = CoreFileOpenEx;
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NewFile->Protocol.ReadEx = CoreFileReadEx;
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NewFile->Protocol.WriteEx = CoreFileWriteEx;
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NewFile->Protocol.FlushEx = CoreFileFlushEx;
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DisableSMAP ();
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NewFile->Ring3File = *Ring3NewHandle;
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FreePool (Ring3NewHandle);
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FreePool (Ring3FileName);
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EnableSMAP ();
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*NewHandle = (EFI_FILE_PROTOCOL *)NewFile;
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return Status;
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}
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EFI_STATUS
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EFIAPI
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CoreOpenVolume (
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@ -343,14 +591,15 @@ CoreOpenVolume (
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OUT EFI_FILE_PROTOCOL **Root
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)
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{
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EFI_STATUS Status;
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EFI_FILE_PROTOCOL **Ring3Root;
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EFI_STATUS Status;
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EFI_FILE_PROTOCOL **Ring3Root;
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RING3_EFI_FILE_PROTOCOL *File;
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DisableSMAP ();
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Status = CoreAllocatePool (EfiRing3MemoryType, sizeof (EFI_FILE_PROTOCOL *), (VOID **)&Ring3Root);
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EnableSMAP ();
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if (EFI_ERROR (Status)) {
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return EFI_OUT_OF_RESOURCES;
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return Status;
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}
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Status = GoToRing3 (
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@ -367,7 +616,14 @@ CoreOpenVolume (
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return Status;
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}
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*Root = AllocatePool (sizeof (EFI_FILE_PROTOCOL));
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File = AllocatePool (sizeof (RING3_EFI_FILE_PROTOCOL));
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if (File == NULL) {
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*Root = NULL;
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DisableSMAP ();
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FreePool (Ring3Root);
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EnableSMAP ();
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return EFI_OUT_OF_RESOURCES;
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}
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DisableSMAP ();
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mRing3FileProtocol.Revision = (*Ring3Root)->Revision;
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@ -386,26 +642,28 @@ CoreOpenVolume (
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mRing3FileProtocol.WriteEx = (*Ring3Root)->WriteEx;
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mRing3FileProtocol.FlushEx = (*Ring3Root)->FlushEx;
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mRing3FilePointer = *Ring3Root;
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File->Ring3File = *Ring3Root;
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FreePool (Ring3Root);
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EnableSMAP ();
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(*Root)->Revision = mRing3FileProtocol.Revision;
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(*Root)->Open = CoreFileOpen;
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(*Root)->Close = CoreFileClose;
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(*Root)->Delete = CoreFileDelete;
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(*Root)->Read = CoreFileRead;
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(*Root)->Write = CoreFileWrite;
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(*Root)->GetPosition = CoreFileGetPosition;
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(*Root)->SetPosition = CoreFileSetPosition;
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(*Root)->GetInfo = CoreFileGetInfo;
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(*Root)->SetInfo = CoreFileSetInfo;
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(*Root)->Flush = CoreFileFlush;
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(*Root)->OpenEx = CoreFileOpenEx;
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(*Root)->ReadEx = CoreFileReadEx;
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(*Root)->WriteEx = CoreFileWriteEx;
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(*Root)->FlushEx = CoreFileFlushEx;
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File->Protocol.Revision = mRing3FileProtocol.Revision;
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File->Protocol.Open = CoreFileOpen;
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File->Protocol.Close = CoreFileClose;
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File->Protocol.Delete = CoreFileDelete;
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File->Protocol.Read = CoreFileRead;
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File->Protocol.Write = CoreFileWrite;
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File->Protocol.GetPosition = CoreFileGetPosition;
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File->Protocol.SetPosition = CoreFileSetPosition;
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File->Protocol.GetInfo = CoreFileGetInfo;
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File->Protocol.SetInfo = CoreFileSetInfo;
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File->Protocol.Flush = CoreFileFlush;
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File->Protocol.OpenEx = CoreFileOpenEx;
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File->Protocol.ReadEx = CoreFileReadEx;
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File->Protocol.WriteEx = CoreFileWriteEx;
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File->Protocol.FlushEx = CoreFileFlushEx;
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*Root = (EFI_FILE_PROTOCOL *)File;
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return Status;
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}
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