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/** @file
This driver effectuates OVMF's platform configuration settings and exposes
them via HII.
Copyright (C) 2014, Red Hat, Inc.
Copyright (c) 2009 - 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 <Library/DebugLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include "PlatformConfig.h"
/**
Load and execute the platform configuration.
@retval EFI_SUCCESS Configuration loaded and executed.
@return Status codes from PlatformConfigLoad().
**/
STATIC
EFI_STATUS
EFIAPI
ExecutePlatformConfig (
VOID
)
{
EFI_STATUS Status;
PLATFORM_CONFIG PlatformConfig;
UINT64 OptionalElements;
Status = PlatformConfigLoad (&PlatformConfig, &OptionalElements);
if (EFI_ERROR (Status)) {
DEBUG (((Status == EFI_NOT_FOUND) ? EFI_D_VERBOSE : EFI_D_ERROR,
"%a: failed to load platform config: %r\n", __FUNCTION__, Status));
return Status;
}
if (OptionalElements & PLATFORM_CONFIG_F_GRAPHICS_RESOLUTION) {
//
// Pass the preferred resolution to GraphicsConsoleDxe via dynamic PCDs.
//
PcdSet32 (PcdVideoHorizontalResolution,
PlatformConfig.HorizontalResolution);
PcdSet32 (PcdVideoVerticalResolution,
PlatformConfig.VerticalResolution);
}
return EFI_SUCCESS;
}
/**
Entry point for this driver.
@param[in] ImageHandle Image handle of this driver.
@param[in] SystemTable Pointer to SystemTable.
@retval EFI_SUCESS Driver has loaded successfully.
**/
EFI_STATUS
EFIAPI
PlatformInit (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
ExecutePlatformConfig ();
return EFI_SUCCESS;
}
/**
Unload the driver.
@param[in] ImageHandle Handle that identifies the image to evict.
@retval EFI_SUCCESS The image has been unloaded.
**/
EFI_STATUS
EFIAPI
PlatformUnload (
IN EFI_HANDLE ImageHandle
)
{
return EFI_SUCCESS;
}
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