QemuRamfb.c File Reference

#include <Protocol/GraphicsOutput.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/DevicePathLib.h>
#include <Library/FrameBufferBltLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/QemuFwCfgLib.h>
#include <Guid/QemuRamfb.h>

Go to the source code of this file.

Data Structures
struct	RAMFB_CONFIG

Macros
#define	RAMFB_FORMAT   0x34325258 /* DRM_FORMAT_XRGB8888 */
#define	RAMFB_BPP   4

Typedefs
typedef struct RAMFB_CONFIG	RAMFB_CONFIG

Functions
STATIC EFI_STATUS EFIAPI	QemuRamfbGraphicsOutputQueryMode (IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This, IN UINT32 ModeNumber, OUT UINTN *SizeOfInfo, OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info)
STATIC EFI_STATUS EFIAPI	QemuRamfbGraphicsOutputSetMode (IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This, IN UINT32 ModeNumber)
STATIC EFI_STATUS EFIAPI	QemuRamfbGraphicsOutputBlt (IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This, IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer OPTIONAL, IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation, IN UINTN SourceX, IN UINTN SourceY, IN UINTN DestinationX, IN UINTN DestinationY, IN UINTN Width, IN UINTN Height, IN UINTN Delta)
EFI_STATUS EFIAPI	InitializeQemuRamfb (IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *SystemTable)

Variables
STATIC EFI_HANDLE	mRamfbHandle
STATIC EFI_HANDLE	mGopHandle
STATIC FRAME_BUFFER_CONFIGURE *	mQemuRamfbFrameBufferBltConfigure
STATIC UINTN	mQemuRamfbFrameBufferBltConfigureSize
STATIC FIRMWARE_CONFIG_ITEM	mRamfbFwCfgItem
STATIC EFI_GRAPHICS_OUTPUT_MODE_INFORMATION	mQemuRamfbModeInfo []
STATIC EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE	mQemuRamfbMode
STATIC EFI_GRAPHICS_OUTPUT_PROTOCOL	mQemuRamfbGraphicsOutput

Detailed Description

This driver is a implementation of the Graphics Output Protocol for the QEMU ramfb device.

Copyright (c) 2018, Red Hat Inc.

SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file QemuRamfb.c.

Macro Definition Documentation

RAMFB_BPP

#define RAMFB_BPP   4

Definition at line 25 of file QemuRamfb.c.

RAMFB_FORMAT

#define RAMFB_FORMAT   0x34325258 /* DRM_FORMAT_XRGB8888 */

Definition at line 24 of file QemuRamfb.c.

Function Documentation

InitializeQemuRamfb()

EFI_STATUS EFIAPI InitializeQemuRamfb	(	IN EFI_HANDLE	ImageHandle,
		IN EFI_SYSTEM_TABLE *	SystemTable
	)

Definition at line 239 of file QemuRamfb.c.

QemuRamfbGraphicsOutputBlt()

STATIC EFI_STATUS EFIAPI QemuRamfbGraphicsOutputBlt	(	IN EFI_GRAPHICS_OUTPUT_PROTOCOL *	This,
		IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer	OPTIONAL,
		IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION	BltOperation,
		IN UINTN	SourceX,
		IN UINTN	SourceY,
		IN UINTN	DestinationX,
		IN UINTN	DestinationY,
		IN UINTN	Width,
		IN UINTN	Height,
		IN UINTN	Delta
	)

Definition at line 203 of file QemuRamfb.c.

QemuRamfbGraphicsOutputQueryMode()

STATIC EFI_STATUS EFIAPI QemuRamfbGraphicsOutputQueryMode	(	IN EFI_GRAPHICS_OUTPUT_PROTOCOL *	This,
		IN UINT32	ModeNumber,
		OUT UINTN *	SizeOfInfo,
		OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **	Info
	)

Definition at line 70 of file QemuRamfb.c.

QemuRamfbGraphicsOutputSetMode()

STATIC EFI_STATUS EFIAPI QemuRamfbGraphicsOutputSetMode	(	IN EFI_GRAPHICS_OUTPUT_PROTOCOL *	This,
		IN UINT32	ModeNumber
	)

Definition at line 103 of file QemuRamfb.c.

Variable Documentation

mGopHandle

STATIC EFI_HANDLE mGopHandle

Definition at line 39 of file QemuRamfb.c.

mQemuRamfbFrameBufferBltConfigure

STATIC FRAME_BUFFER_CONFIGURE* mQemuRamfbFrameBufferBltConfigure

Definition at line 40 of file QemuRamfb.c.

mQemuRamfbFrameBufferBltConfigureSize

STATIC UINTN mQemuRamfbFrameBufferBltConfigureSize

Definition at line 41 of file QemuRamfb.c.

mQemuRamfbGraphicsOutput

STATIC EFI_GRAPHICS_OUTPUT_PROTOCOL mQemuRamfbGraphicsOutput

Initial value:

= {
  QemuRamfbGraphicsOutputQueryMode,
  QemuRamfbGraphicsOutputSetMode,
  QemuRamfbGraphicsOutputBlt,
  &mQemuRamfbMode,
}

Definition at line 230 of file QemuRamfb.c.

mQemuRamfbMode

STATIC EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE mQemuRamfbMode

Initial value:

= {
  ARRAY_SIZE (mQemuRamfbModeInfo),                
  0,                                              
  mQemuRamfbModeInfo,                             
  sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION),  
}

Definition at line 60 of file QemuRamfb.c.

mQemuRamfbModeInfo

STATIC EFI_GRAPHICS_OUTPUT_MODE_INFORMATION mQemuRamfbModeInfo[]

Initial value:

= {
  {
    0,    
    640,  
    480,  
  },{
    0,    
    800,  
    600,  
  },{
    0,    
    1024, 
    768,  
  }
}

Definition at line 44 of file QemuRamfb.c.

mRamfbFwCfgItem

STATIC FIRMWARE_CONFIG_ITEM mRamfbFwCfgItem

Definition at line 42 of file QemuRamfb.c.

mRamfbHandle

STATIC EFI_HANDLE mRamfbHandle

Definition at line 38 of file QemuRamfb.c.