diff options
Diffstat (limited to 'MdeModulePkg/Universal/Acpi/BootGraphicsResourceTableDxe/BootGraphicsResourceTableDxe.c')
| -rw-r--r-- | MdeModulePkg/Universal/Acpi/BootGraphicsResourceTableDxe/BootGraphicsResourceTableDxe.c | 422 |
1 files changed, 422 insertions, 0 deletions
diff --git a/MdeModulePkg/Universal/Acpi/BootGraphicsResourceTableDxe/BootGraphicsResourceTableDxe.c b/MdeModulePkg/Universal/Acpi/BootGraphicsResourceTableDxe/BootGraphicsResourceTableDxe.c new file mode 100644 index 0000000000..cde4f06737 --- /dev/null +++ b/MdeModulePkg/Universal/Acpi/BootGraphicsResourceTableDxe/BootGraphicsResourceTableDxe.c @@ -0,0 +1,422 @@ +/** @file
+ This module install ACPI Boot Graphics Resource Table (BGRT).
+
+ Copyright (c) 2011, 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 <Uefi.h>
+
+#include <IndustryStandard/Acpi50.h>
+#include <IndustryStandard/Bmp.h>
+
+#include <Protocol/AcpiTable.h>
+#include <Protocol/GraphicsOutput.h>
+#include <Protocol/BootLogo.h>
+
+#include <Guid/EventGroup.h>
+
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/DebugLib.h>
+
+//
+// ACPI table information used to initialize tables.
+//
+#define EFI_ACPI_OEM_ID "INTEL"
+#define EFI_ACPI_OEM_TABLE_ID 0x2020204F4E414954ULL // "TIANO "
+#define EFI_ACPI_OEM_REVISION 0x00000001
+#define EFI_ACPI_CREATOR_ID 0x5446534D // TBD "MSFT"
+#define EFI_ACPI_CREATOR_REVISION 0x01000013 // TBD
+
+//
+// Module globals.
+//
+EFI_EVENT mBootGraphicsReadyToBootEvent;
+UINTN mBootGraphicsResourceTableKey = 0;
+
+EFI_HANDLE mBootLogoHandle = NULL;
+BOOLEAN mIsLogoValid = FALSE;
+EFI_GRAPHICS_OUTPUT_BLT_PIXEL *mLogoBltBuffer = NULL;
+UINTN mLogoDestX = 0;
+UINTN mLogoDestY = 0;
+UINTN mLogoWidth = 0;
+UINTN mLogoHeight = 0;
+
+BMP_IMAGE_HEADER mBmpImageHeaderTemplate = {
+ 'B', // CharB
+ 'M', // CharM
+ 0, // Size will be updated at runtime
+ {0, 0}, // Reserved
+ sizeof (BMP_IMAGE_HEADER), // ImageOffset
+ sizeof (BMP_IMAGE_HEADER) - OFFSET_OF (BMP_IMAGE_HEADER, HeaderSize), // HeaderSize
+ 0, // PixelWidth will be updated at runtime
+ 0, // PixelHeight will be updated at runtime
+ 1, // Planes
+ 24, // BitPerPixel
+ 0, // CompressionType
+ 0, // ImageSize will be updated at runtime
+ 0, // XPixelsPerMeter
+ 0, // YPixelsPerMeter
+ 0, // NumberOfColors
+ 0 // ImportantColors
+};
+
+BOOLEAN mAcpiBgrtInstalled = FALSE;
+
+EFI_ACPI_5_0_BOOT_GRAPHICS_RESOURCE_TABLE mBootGraphicsResourceTableTemplate = {
+ {
+ EFI_ACPI_5_0_BOOT_GRAPHICS_RESOURCE_TABLE_SIGNATURE,
+ sizeof (EFI_ACPI_5_0_BOOT_GRAPHICS_RESOURCE_TABLE),
+ EFI_ACPI_5_0_BOOT_GRAPHICS_RESOURCE_TABLE_REVISION, // Revision
+ 0x00, // Checksum will be updated at runtime
+ //
+ // It is expected that these values will be updated at runtime.
+ //
+ EFI_ACPI_OEM_ID, // OEMID is a 6 bytes long field
+ EFI_ACPI_OEM_TABLE_ID, // OEM table identification(8 bytes long)
+ EFI_ACPI_OEM_REVISION, // OEM revision number
+ EFI_ACPI_CREATOR_ID, // ASL compiler vendor ID
+ EFI_ACPI_CREATOR_REVISION, // ASL compiler revision number
+ },
+ EFI_ACPI_5_0_BGRT_VERSION, // Version
+ EFI_ACPI_5_0_BGRT_STATUS_VALID, // Status
+ EFI_ACPI_5_0_BGRT_IMAGE_TYPE_BMP, // Image Type
+ 0, // Image Address
+ 0, // Image Offset X
+ 0 // Image Offset Y
+};
+
+/**
+ Update information of logo image drawn on screen.
+
+ @param This The pointer to the Boot Logo protocol instance.
+ @param BltBuffer The BLT buffer for logo drawn on screen. If BltBuffer
+ is set to NULL, it indicates that logo image is no
+ longer on the screen.
+ @param DestinationX X coordinate of destination for the BltBuffer.
+ @param DestinationY Y coordinate of destination for the BltBuffer.
+ @param Width Width of rectangle in BltBuffer in pixels.
+ @param Height Hight of rectangle in BltBuffer in pixels.
+
+ @retval EFI_SUCCESS The boot logo information was updated.
+ @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.
+ @retval EFI_OUT_OF_RESOURCES The logo information was not updated due to
+ insufficient memory resources.
+
+**/
+EFI_STATUS
+EFIAPI
+SetBootLogo (
+ IN EFI_BOOT_LOGO_PROTOCOL *This,
+ IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer OPTIONAL,
+ IN UINTN DestinationX,
+ IN UINTN DestinationY,
+ IN UINTN Width,
+ IN UINTN Height
+ );
+
+EFI_BOOT_LOGO_PROTOCOL mBootLogoProtocolTemplate = { SetBootLogo };
+
+/**
+ Update information of logo image drawn on screen.
+
+ @param This The pointer to the Boot Logo protocol instance.
+ @param BltBuffer The BLT buffer for logo drawn on screen. If BltBuffer
+ is set to NULL, it indicates that logo image is no
+ longer on the screen.
+ @param DestinationX X coordinate of destination for the BltBuffer.
+ @param DestinationY Y coordinate of destination for the BltBuffer.
+ @param Width Width of rectangle in BltBuffer in pixels.
+ @param Height Hight of rectangle in BltBuffer in pixels.
+
+ @retval EFI_SUCCESS The boot logo information was updated.
+ @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.
+ @retval EFI_OUT_OF_RESOURCES The logo information was not updated due to
+ insufficient memory resources.
+
+**/
+EFI_STATUS
+EFIAPI
+SetBootLogo (
+ IN EFI_BOOT_LOGO_PROTOCOL *This,
+ IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer OPTIONAL,
+ IN UINTN DestinationX,
+ IN UINTN DestinationY,
+ IN UINTN Width,
+ IN UINTN Height
+ )
+{
+ if (BltBuffer == NULL) {
+ mIsLogoValid = FALSE;
+ return EFI_SUCCESS;
+ }
+
+ if (Width == 0 || Height == 0) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (mLogoBltBuffer != NULL) {
+ FreePool (mLogoBltBuffer);
+ }
+
+ mLogoBltBuffer = AllocateCopyPool (
+ Width * Height * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL),
+ BltBuffer
+ );
+ if (mLogoBltBuffer == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ mLogoDestX = DestinationX;
+ mLogoDestY = DestinationY;
+ mLogoWidth = Width;
+ mLogoHeight = Height;
+ mIsLogoValid = TRUE;
+
+ return EFI_SUCCESS;
+}
+
+/**
+ This function calculates and updates an UINT8 checksum.
+
+ @param[in] Buffer Pointer to buffer to checksum.
+ @param[in] Size Number of bytes to checksum.
+
+**/
+VOID
+BgrtAcpiTableChecksum (
+ IN UINT8 *Buffer,
+ IN UINTN Size
+ )
+{
+ UINTN ChecksumOffset;
+
+ ChecksumOffset = OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER, Checksum);
+
+ //
+ // Set checksum to 0 first.
+ //
+ Buffer[ChecksumOffset] = 0;
+
+ //
+ // Update checksum value.
+ //
+ Buffer[ChecksumOffset] = CalculateCheckSum8 (Buffer, Size);
+}
+
+/**
+ Allocate EfiReservedMemoryType below 4G memory address.
+
+ This function allocates EfiReservedMemoryType below 4G memory address.
+
+ @param[in] Size Size of memory to allocate.
+
+ @return Allocated address for output.
+
+**/
+VOID *
+BgrtAllocateReservedMemoryBelow4G (
+ IN UINTN Size
+ )
+{
+ UINTN Pages;
+ EFI_PHYSICAL_ADDRESS Address;
+ EFI_STATUS Status;
+ VOID *Buffer;
+
+ Pages = EFI_SIZE_TO_PAGES (Size);
+ Address = 0xffffffff;
+
+ Status = gBS->AllocatePages (
+ AllocateMaxAddress,
+ EfiReservedMemoryType,
+ Pages,
+ &Address
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ Buffer = (VOID *) (UINTN) Address;
+ ZeroMem (Buffer, Size);
+
+ return Buffer;
+}
+
+/**
+ Install Boot Graphics Resource Table to ACPI table.
+
+ @return Status code.
+
+**/
+EFI_STATUS
+InstallBootGraphicsResourceTable (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+ EFI_ACPI_TABLE_PROTOCOL *AcpiTableProtocol;
+ UINT8 *ImageBuffer;
+ UINTN PaddingSize;
+ UINTN BmpSize;
+ UINT8 *Image;
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltPixel;
+ UINTN Col;
+ UINTN Row;
+
+ //
+ // Check whether Boot Graphics Resource Table is already installed.
+ //
+ if (mAcpiBgrtInstalled) {
+ return EFI_SUCCESS;
+ }
+
+ //
+ // Get ACPI Table protocol.
+ //
+ Status = gBS->LocateProtocol (&gEfiAcpiTableProtocolGuid, NULL, (VOID **) &AcpiTableProtocol);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Check whether Logo exist.
+ //
+ if (mLogoBltBuffer == NULL) {
+ return EFI_NOT_FOUND;
+ }
+
+ //
+ // Allocate memory for BMP file.
+ //
+ PaddingSize = mLogoWidth & 0x3;
+ BmpSize = (mLogoWidth * 3 + PaddingSize) * mLogoHeight + sizeof (BMP_IMAGE_HEADER);
+ ImageBuffer = BgrtAllocateReservedMemoryBelow4G (BmpSize);
+ if (ImageBuffer == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ mBmpImageHeaderTemplate.Size = (UINT32) BmpSize;
+ mBmpImageHeaderTemplate.ImageSize = (UINT32) BmpSize - sizeof (BMP_IMAGE_HEADER);
+ mBmpImageHeaderTemplate.PixelWidth = (UINT32) mLogoWidth;
+ mBmpImageHeaderTemplate.PixelHeight = (UINT32) mLogoHeight;
+ CopyMem (ImageBuffer, &mBmpImageHeaderTemplate, sizeof (BMP_IMAGE_HEADER));
+
+ //
+ // Convert BLT buffer to BMP file.
+ //
+ Image = ImageBuffer + sizeof (BMP_IMAGE_HEADER);
+ for (Row = 0; Row < mLogoHeight; Row++) {
+ BltPixel = &mLogoBltBuffer[(mLogoHeight - Row - 1) * mLogoWidth];
+
+ for (Col = 0; Col < mLogoWidth; Col++) {
+ *Image++ = BltPixel->Blue;
+ *Image++ = BltPixel->Green;
+ *Image++ = BltPixel->Red;
+ BltPixel++;
+ }
+
+ //
+ // Padding for 4 byte alignment.
+ //
+ Image += PaddingSize;
+ }
+ FreePool (mLogoBltBuffer);
+ mLogoBltBuffer = NULL;
+
+ mBootGraphicsResourceTableTemplate.Status = (UINT8) (mIsLogoValid ? EFI_ACPI_5_0_BGRT_STATUS_VALID : EFI_ACPI_5_0_BGRT_STATUS_INVALID);
+ mBootGraphicsResourceTableTemplate.ImageAddress = (UINT64) (UINTN) ImageBuffer;
+ mBootGraphicsResourceTableTemplate.ImageOffsetX = (UINT32) mLogoDestX;
+ mBootGraphicsResourceTableTemplate.ImageOffsetY = (UINT32) mLogoDestY;
+
+ //
+ // Update Checksum.
+ //
+ BgrtAcpiTableChecksum ((UINT8 *) &mBootGraphicsResourceTableTemplate, sizeof (EFI_ACPI_5_0_BOOT_GRAPHICS_RESOURCE_TABLE));
+
+ //
+ // Publish Boot Graphics Resource Table.
+ //
+ Status = AcpiTableProtocol->InstallAcpiTable (
+ AcpiTableProtocol,
+ &mBootGraphicsResourceTableTemplate,
+ sizeof (EFI_ACPI_5_0_BOOT_GRAPHICS_RESOURCE_TABLE),
+ &mBootGraphicsResourceTableKey
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ mAcpiBgrtInstalled = TRUE;
+ return Status;
+}
+
+/**
+ Notify function for event group EFI_EVENT_GROUP_READY_TO_BOOT. This is used to
+ install the Boot Graphics Resource Table.
+
+ @param[in] Event The Event that is being processed.
+ @param[in] Context The Event Context.
+
+**/
+VOID
+EFIAPI
+BgrtReadyToBootEventNotify (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ InstallBootGraphicsResourceTable ();
+}
+
+/**
+ The module Entry Point of the Boot Graphics Resource Table DXE driver.
+
+ @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
+BootGraphicsDxeEntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+
+ //
+ // Install Boot Logo protocol.
+ //
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &mBootLogoHandle,
+ &gEfiBootLogoProtocolGuid,
+ &mBootLogoProtocolTemplate,
+ NULL
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Register notify function to install BGRT on ReadyToBoot Event.
+ //
+ Status = gBS->CreateEventEx (
+ EVT_NOTIFY_SIGNAL,
+ TPL_CALLBACK,
+ BgrtReadyToBootEventNotify,
+ NULL,
+ &gEfiEventReadyToBootGuid,
+ &mBootGraphicsReadyToBootEvent
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ return Status;
+}
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