diff options
Diffstat (limited to 'Vlv2TbltDevicePkg/Application/SsdtUpdate/SsdtUpdate.c')
| -rw-r--r-- | Vlv2TbltDevicePkg/Application/SsdtUpdate/SsdtUpdate.c | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/Vlv2TbltDevicePkg/Application/SsdtUpdate/SsdtUpdate.c b/Vlv2TbltDevicePkg/Application/SsdtUpdate/SsdtUpdate.c new file mode 100644 index 0000000000..cd42a88131 --- /dev/null +++ b/Vlv2TbltDevicePkg/Application/SsdtUpdate/SsdtUpdate.c @@ -0,0 +1,200 @@ +/** @file
+ Update SSDT table to ACPI table.
+
+ Copyright (c) 2013 - 2015, Intel Corporation. All rights reserved.<BR>
+
+ 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.
+
+**/
+
+#include "SsdtUpdate.h"
+
+FV_INPUT_DATA mInputData = {0};
+
+/**
+ Read file data from given file name.
+
+ @param[in] FileName Pointer the readed given file name.
+ @param[out] Buffer The buffer which read the given file name's data.
+ @param[out] BufferSize The buffer size which read the given file name's data.
+
+ @retval EFI_SUCCESS The file data is successfully readed.
+ @retval EFI_ERROR The file data is unsuccessfully readed.
+
+**/
+STATIC
+EFI_STATUS
+ReadFileData (
+ IN CHAR16 *FileName,
+ OUT UINT8 **Buffer,
+ OUT UINT32 *BufferSize
+ )
+{
+ EFI_STATUS Status;
+ SHELL_FILE_HANDLE FileHandle;
+ UINT64 Size;
+ VOID *NewBuffer;
+ UINTN ReadSize;
+
+ FileHandle = NULL;
+ NewBuffer = NULL;
+ Size = 0;
+
+ Status = ShellOpenFileByName (FileName, &FileHandle, EFI_FILE_MODE_READ, 0);
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+
+ Status = FileHandleIsDirectory (FileHandle);
+ if (!EFI_ERROR (Status)) {
+ Status = EFI_NOT_FOUND;
+ goto Done;
+ }
+
+ Status = FileHandleGetSize (FileHandle, &Size);
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+
+ NewBuffer = AllocatePool ((UINTN) Size);
+
+ ReadSize = (UINTN) Size;
+ Status = FileHandleRead (FileHandle, &ReadSize, NewBuffer);
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ } else if (ReadSize != (UINTN) Size) {
+ Status = EFI_INVALID_PARAMETER;
+ goto Done;
+ }
+
+Done:
+ if (FileHandle != NULL) {
+ ShellCloseFile (&FileHandle);
+ }
+
+ if (EFI_ERROR (Status)) {
+ if (NewBuffer != NULL) {
+ FreePool (NewBuffer);
+ }
+ } else {
+ *Buffer = NewBuffer;
+ *BufferSize = (UINT32) Size;
+ }
+
+ return Status;
+}
+
+/**
+ Initialize and publish device in ACPI table.
+
+ @param[in] Table The pointer to the ACPI table which will be published.
+ @param[in] TableSize The size of ACPI table which will be published.
+
+ @retval EFI_SUCCESS The ACPI table is published successfully.
+ @retval Others The ACPI table is not published.
+
+**/
+EFI_STATUS
+PublishAcpiTable (
+ IN UINT8 *Table,
+ IN UINT32 TableSize
+ )
+{
+ EFI_STATUS Status;
+ EFI_ACPI_TABLE_PROTOCOL *AcpiTable;
+ UINTN TableKey;
+
+ //
+ // Basic check ::TODO: Add check here!!!!!!!!!!!!!!!!!
+ //
+ //ASSERT (Table->OemTableId == SIGNATURE_64 ('E', 'v', 'e', 'r', 'T', 'a', 'b', 'l'));
+
+ //
+ // Publish the ACPI table
+ //
+ Status = gBS->LocateProtocol (&gEfiAcpiTableProtocolGuid, NULL, (VOID **) &AcpiTable);
+ DEBUG((EFI_D_INFO, " Publish ACPI Table-3\n"));
+ ASSERT_EFI_ERROR (Status);
+
+ TableKey = 0;
+ Status = AcpiTable->InstallAcpiTable (
+ AcpiTable,
+ (EFI_ACPI_DESCRIPTION_HEADER*) Table,
+ TableSize,
+ &TableKey
+ );
+ DEBUG((EFI_D_INFO, " Publish ACPI Table-4\n"));
+ ASSERT_EFI_ERROR (Status);
+
+ return Status;
+}
+
+/**
+ Init device
+
+ @retval EFI_SUCCESS Init Devices successfully
+ @retval Others Some error occurs
+
+**/
+EFI_STATUS
+InitDevice (
+ )
+{
+ //
+ // Add device Init here if needed
+ //
+ return EFI_SUCCESS;
+}
+
+/**
+ UEFI application entry point which has an interface similar to a
+ standard C main function.
+
+ The ShellCEntryLib library instance wrappers the actual UEFI application
+ entry point and calls this ShellAppMain function.
+
+ @param[in] Argc The number of items in Argv.
+ @param[in] Argv Array of pointers to strings.
+
+ @retval
+**/
+INTN
+EFIAPI
+ ShellAppMain (
+ IN UINTN Argc,
+ IN CHAR16 **Argv
+ )
+{
+ EFI_STATUS Status;
+ UINT8 *FileBuffer;
+ UINT32 TableSize;
+
+ TableSize = 0;
+ FileBuffer = NULL;
+
+ //
+ // Necessary device Initialization
+ //
+ Status = InitDevice();
+ if (EFI_ERROR (Status)) {
+ return EFI_DEVICE_ERROR;
+ }
+
+ StrCpy (mInputData.FileName, Argv[1]);
+ Status = ReadFileData (mInputData.FileName, &FileBuffer, &TableSize);
+
+ //
+ // Update and publish ACPI table
+ //
+ Status = PublishAcpiTable (FileBuffer, TableSize);
+ ASSERT_EFI_ERROR (Status);
+
+ return Status;
+ }
+
|