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Enhance BGRT driver to install BGRT table upon every ReadyToBoot event

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Signed-off: czhang46 
Reviewed-by: jjin9, qianouyang


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13010 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
czhang46 2012-02-14 05:56:07 +00:00
parent 8e1253d59b
commit cbafa15e29
1 changed files with 79 additions and 40 deletions
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57
MdeModulePkg/Universal/Acpi/BootGraphicsResourceTableDxe/BootGraphicsResourceTableDxe.c
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@ -1,7 +1,7 @@
/** @file
This module install ACPI Boot Graphics Resource Table (BGRT).
Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2011 - 2012, 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
@ -71,6 +71,8 @@ BMP_IMAGE_HEADER mBmpImageHeaderTemplate = {
};
BOOLEAN mAcpiBgrtInstalled = FALSE;
BOOLEAN mAcpiBgrtStatusChanged = FALSE;
BOOLEAN mAcpiBgrtBufferChanged = FALSE;
EFI_ACPI_5_0_BOOT_GRAPHICS_RESOURCE_TABLE mBootGraphicsResourceTableTemplate = {
{
@ -157,6 +159,7 @@ SetBootLogo (
{
if (BltBuffer == NULL) {
mIsLogoValid = FALSE;
mAcpiBgrtStatusChanged = TRUE;
return EFI_SUCCESS;
}
@ -164,8 +167,10 @@ SetBootLogo (
return EFI_INVALID_PARAMETER;
}
mAcpiBgrtBufferChanged = TRUE;
if (mLogoBltBuffer != NULL) {
FreePool (mLogoBltBuffer);
mLogoBltBuffer = NULL;
}
mLogoBltBuffer = AllocateCopyPool (
@ -265,18 +270,12 @@ InstallBootGraphicsResourceTable (
UINT8 *ImageBuffer;
UINTN PaddingSize;
UINTN BmpSize;
UINTN OrigBmpSize;
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.
//
@ -285,12 +284,47 @@ InstallBootGraphicsResourceTable (
return Status;
}
//
// Check whether Boot Graphics Resource Table is already installed.
//
if (mAcpiBgrtInstalled) {
if (!mAcpiBgrtStatusChanged && !mAcpiBgrtBufferChanged) {
//
// Nothing has changed
//
return EFI_SUCCESS;
} else {
//
// If BGRT data change happens. Uninstall Orignal AcpiTable first
//
Status = AcpiTableProtocol->UninstallAcpiTable (
AcpiTableProtocol,
mBootGraphicsResourceTableKey
);
if (EFI_ERROR (Status)) {
return Status;
}
}
} else {
//
// Check whether Logo exist.
//
if ( mLogoBltBuffer == NULL) {
return EFI_NOT_FOUND;
}
}
if (mAcpiBgrtBufferChanged) {
//
// reserve original BGRT buffer size
//
OrigBmpSize = mBmpImageHeaderTemplate.ImageSize + sizeof (BMP_IMAGE_HEADER);
//
// Free orignal BMP memory
//
if (mBootGraphicsResourceTableTemplate.ImageAddress) {
gBS->FreePages(mBootGraphicsResourceTableTemplate.ImageAddress, EFI_SIZE_TO_PAGES(OrigBmpSize));
}
//
// Allocate memory for BMP file.
@ -330,10 +364,12 @@ InstallBootGraphicsResourceTable (
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;
}
mBootGraphicsResourceTableTemplate.Status = (UINT8) (mIsLogoValid ? EFI_ACPI_5_0_BGRT_STATUS_VALID : EFI_ACPI_5_0_BGRT_STATUS_INVALID);
//
// Update Checksum.
@ -354,6 +390,9 @@ InstallBootGraphicsResourceTable (
}
mAcpiBgrtInstalled = TRUE;
mAcpiBgrtStatusChanged = FALSE;
mAcpiBgrtBufferChanged = FALSE;
return Status;
}