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OvmfPkg: Add QemuVideoDxe driver 

This driver provides a UEFI Graphics Output Protocol (GOP) driver
for the QEMU Cirrus VGA hardware.  It enables 24-bit color,
and uses the standard 32-bit GOP pixel format whenever possible.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11524 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jljusten 2011-04-12 15:08:51 +00:00
parent a12199e66f
commit eaf4f336ea
14 changed files with 2054 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
OvmfPkg/OvmfPkgIa32.dsc
View File

@ -344,7 +344,10 @@
MdeModulePkg/Universal/SetupBrowserDxe/SetupBrowserDxe.inf
MdeModulePkg/Universal/MemoryTest/NullMemoryTestDxe/NullMemoryTestDxe.inf
OptionRomPkg/CirrusLogic5430Dxe/CirrusLogic5430Dxe.inf
OvmfPkg/QemuVideoDxe/QemuVideoDxe.inf {
<LibraryClasses>
BltLib|OptionRomPkg/Library/FrameBufferBltLib/FrameBufferBltLib.inf
}
#
# ISA Support

5
OvmfPkg/OvmfPkgIa32.fdf
View File

@ -201,7 +201,6 @@ INF IntelFrameworkModulePkg/Bus/Isa/IsaFloppyDxe/IsaFloppyDxe.inf
INF MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf
INF MdeModulePkg/Universal/Acpi/AcpiPlatformDxe/AcpiPlatformDxe.inf
INF RuleOverride=ACPITABLE OvmfPkg/AcpiTables/AcpiTables.inf
INF OptionRomPkg/CirrusLogic5430Dxe/CirrusLogic5430Dxe.inf
INF RuleOverride = BINARY FatBinPkg/EnhancedFatDxe/Fat.inf
INF RuleOverride = BINARY EdkShellBinPkg/FullShell/FullShell.inf
@ -355,7 +354,7 @@ FILE FV_IMAGE = 9E21FD93-9C72-4c15-8C4B-E77F1DB2D792 {
RAW RAW |.raw
}
[OptionRom.CirrusLogic5446]
INF OptionRomPkg/CirrusLogic5430Dxe/CirrusLogic5430Dxe.inf {
[OptionRom.OvmfVideo]
INF OvmfPkg/QemuVideoDxe/QemuVideoDxe.inf {
PCI_DEVICE_ID = 0x00B8
}

5
OvmfPkg/OvmfPkgIa32X64.dsc
View File

@ -345,7 +345,10 @@
MdeModulePkg/Universal/SetupBrowserDxe/SetupBrowserDxe.inf
MdeModulePkg/Universal/MemoryTest/NullMemoryTestDxe/NullMemoryTestDxe.inf
OptionRomPkg/CirrusLogic5430Dxe/CirrusLogic5430Dxe.inf
OvmfPkg/QemuVideoDxe/QemuVideoDxe.inf {
<LibraryClasses>
BltLib|OptionRomPkg/Library/FrameBufferBltLib/FrameBufferBltLib.inf
}
#
# ISA Support

15
OvmfPkg/OvmfPkgIa32X64.fdf
View File

@ -201,7 +201,6 @@ INF IntelFrameworkModulePkg/Bus/Isa/IsaFloppyDxe/IsaFloppyDxe.inf
INF MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf
INF MdeModulePkg/Universal/Acpi/AcpiPlatformDxe/AcpiPlatformDxe.inf
INF RuleOverride=ACPITABLE OvmfPkg/AcpiTables/AcpiTables.inf
INF OptionRomPkg/CirrusLogic5430Dxe/CirrusLogic5430Dxe.inf
INF RuleOverride = BINARY USE = X64 FatBinPkg/EnhancedFatDxe/Fat.inf
INF RuleOverride = BINARY USE = X64 EdkShellBinPkg/FullShell/FullShell.inf
@ -262,11 +261,11 @@ READ_LOCK_CAP = TRUE
READ_LOCK_STATUS = TRUE
FILE FV_IMAGE = 9E21FD93-9C72-4c15-8C4B-E77F1DB2D792 {
SECTION GUIDED EE4E5898-3914-4259-9D6E-DC7BD79403CF PROCESSING_REQUIRED = TRUE {
SECTION FV_IMAGE = MAINFV
}
}
SECTION GUIDED EE4E5898-3914-4259-9D6E-DC7BD79403CF PROCESSING_REQUIRED = TRUE {
SECTION FV_IMAGE = MAINFV
}
}
################################################################################
[Rule.Common.SEC]
@ -355,7 +354,7 @@ FILE FV_IMAGE = 9E21FD93-9C72-4c15-8C4B-E77F1DB2D792 {
RAW RAW |.raw
}
[OptionRom.CirrusLogic5446]
INF OptionRomPkg/CirrusLogic5430Dxe/CirrusLogic5430Dxe.inf {
[OptionRom.OvmfVideo]
INF OvmfPkg/QemuVideoDxe/QemuVideoDxe.inf {
PCI_DEVICE_ID = 0x00B8
}

5
OvmfPkg/OvmfPkgX64.dsc
View File

@ -344,7 +344,10 @@
MdeModulePkg/Universal/SetupBrowserDxe/SetupBrowserDxe.inf
MdeModulePkg/Universal/MemoryTest/NullMemoryTestDxe/NullMemoryTestDxe.inf
OptionRomPkg/CirrusLogic5430Dxe/CirrusLogic5430Dxe.inf
OvmfPkg/QemuVideoDxe/QemuVideoDxe.inf {
<LibraryClasses>
BltLib|OptionRomPkg/Library/FrameBufferBltLib/FrameBufferBltLib.inf
}
#
# ISA Support

7
OvmfPkg/OvmfPkgX64.fdf
View File

@ -201,7 +201,6 @@ INF IntelFrameworkModulePkg/Bus/Isa/IsaFloppyDxe/IsaFloppyDxe.inf
INF MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf
INF MdeModulePkg/Universal/Acpi/AcpiPlatformDxe/AcpiPlatformDxe.inf
INF RuleOverride=ACPITABLE OvmfPkg/AcpiTables/AcpiTables.inf
INF OptionRomPkg/CirrusLogic5430Dxe/CirrusLogic5430Dxe.inf
INF RuleOverride = BINARY FatBinPkg/EnhancedFatDxe/Fat.inf
INF RuleOverride = BINARY EdkShellBinPkg/FullShell/FullShell.inf
@ -214,7 +213,7 @@ FILE FREEFORM = PCD(gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdLogoFile) {
# Network modules
#
!if $(NETWORK_ENABLE)
FILE DRIVER = A5C9C8B3-5ABB-4be2-8CA6-2FF06F405D04 {
FILE DRIVER = 5D695E11-9B3F-4b83-B25F-4A8D5D69BE07 {
SECTION PE32 = Intel3.5/EFIX64/E3507X2.EFI
}
INF MdeModulePkg/Universal/Network/SnpDxe/SnpDxe.inf
@ -355,7 +354,7 @@ FILE FV_IMAGE = 9E21FD93-9C72-4c15-8C4B-E77F1DB2D792 {
RAW RAW |.raw
}
[OptionRom.CirrusLogic5446]
INF OptionRomPkg/CirrusLogic5430Dxe/CirrusLogic5430Dxe.inf {
[OptionRom.OvmfVideo]
INF OvmfPkg/QemuVideoDxe/QemuVideoDxe.inf {
PCI_DEVICE_ID = 0x00B8
}

212
OvmfPkg/QemuVideoDxe/ComponentName.c Normal file
View File

@ -0,0 +1,212 @@
/** @file
Component name for the QEMU video controller.
Copyright (c) 2006 - 2010, 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 "Qemu.h"
//
// EFI Component Name Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gQemuVideoComponentName = {
QemuVideoComponentNameGetDriverName,
QemuVideoComponentNameGetControllerName,
"eng"
};
//
// EFI Component Name 2 Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gQemuVideoComponentName2 = {
(EFI_COMPONENT_NAME2_GET_DRIVER_NAME) QemuVideoComponentNameGetDriverName,
(EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) QemuVideoComponentNameGetControllerName,
"en"
};
GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mQemuVideoDriverNameTable[] = {
{ "eng;en", L"QEMU Video Driver" },
{ NULL , NULL }
};
GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mQemuVideoControllerNameTable[] = {
{ "eng;en", L"QEMU Video PCI Adapter" },
{ NULL , NULL }
};
/**
Retrieves a Unicode string that is the user readable name of the driver.
This function retrieves the user readable name of a driver in the form of a
Unicode string. If the driver specified by This has a user readable name in
the language specified by Language, then a pointer to the driver name is
returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
by This does not support the language specified by Language,
then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified
in RFC 4646 or ISO 639-2 language code format.
@param DriverName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
driver specified by This in the language
specified by Language.
@retval EFI_SUCCESS The Unicode string for the Driver specified by
This and the language specified by Language was
returned in DriverName.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER DriverName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
QemuVideoComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
)
{
return LookupUnicodeString2 (
Language,
This->SupportedLanguages,
mQemuVideoDriverNameTable,
DriverName,
(BOOLEAN)(This == &gQemuVideoComponentName)
);
}
/**
Retrieves a Unicode string that is the user readable name of the controller
that is being managed by a driver.
This function retrieves the user readable name of the controller specified by
ControllerHandle and ChildHandle in the form of a Unicode string. If the
driver specified by This has a user readable name in the language specified by
Language, then a pointer to the controller name is returned in ControllerName,
and EFI_SUCCESS is returned. If the driver specified by This is not currently
managing the controller specified by ControllerHandle and ChildHandle,
then EFI_UNSUPPORTED is returned. If the driver specified by This does not
support the language specified by Language, then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param ControllerHandle[in] The handle of a controller that the driver
specified by This is managing. This handle
specifies the controller whose name is to be
returned.
@param ChildHandle[in] The handle of the child controller to retrieve
the name of. This is an optional parameter that
may be NULL. It will be NULL for device
drivers. It will also be NULL for a bus drivers
that wish to retrieve the name of the bus
controller. It will not be NULL for a bus
driver that wishes to retrieve the name of a
child controller.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified in
RFC 4646 or ISO 639-2 language code format.
@param ControllerName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
controller specified by ControllerHandle and
ChildHandle in the language specified by
Language from the point of view of the driver
specified by This.
@retval EFI_SUCCESS The Unicode string for the user readable name in
the language specified by Language for the
driver specified by This was returned in
DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
QemuVideoComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
)
{
EFI_STATUS Status;
//
// This is a device driver, so ChildHandle must be NULL.
//
if (ChildHandle != NULL) {
return EFI_UNSUPPORTED;
}
//
// Make sure this driver is currently managing ControllHandle
//
Status = EfiTestManagedDevice (
ControllerHandle,
gQemuVideoDriverBinding.DriverBindingHandle,
&gEfiPciIoProtocolGuid
);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Get the QEMU Video's Device structure
//
return LookupUnicodeString2 (
Language,
This->SupportedLanguages,
mQemuVideoControllerNameTable,
ControllerName,
(BOOLEAN)(This == &gQemuVideoComponentName)
);
}

742
OvmfPkg/QemuVideoDxe/Driver.c Normal file
View File

@ -0,0 +1,742 @@
/** @file
This driver is a sample implementation of the Graphics Output Protocol for
the QEMU (Cirrus Logic 5446) video controller.
Copyright (c) 2006 - 2010, 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 "Qemu.h"
EFI_DRIVER_BINDING_PROTOCOL gQemuVideoDriverBinding = {
QemuVideoControllerDriverSupported,
QemuVideoControllerDriverStart,
QemuVideoControllerDriverStop,
0x10,
NULL,
NULL
};
/**
Check if this device is supported.
@param This The driver binding protocol.
@param Controller The controller handle to check.
@param RemainingDevicePath The remaining device path.
@retval EFI_SUCCESS The bus supports this controller.
@retval EFI_UNSUPPORTED This device isn't supported.
**/
EFI_STATUS
EFIAPI
QemuVideoControllerDriverSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
{
EFI_STATUS Status;
EFI_PCI_IO_PROTOCOL *PciIo;
PCI_TYPE00 Pci;
EFI_DEV_PATH *Node;
//
// Open the PCI I/O Protocol
//
Status = gBS->OpenProtocol (
Controller,
&gEfiPciIoProtocolGuid,
(VOID **) &PciIo,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_BY_DRIVER
);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Read the PCI Configuration Header from the PCI Device
//
Status = PciIo->Pci.Read (
PciIo,
EfiPciIoWidthUint32,
0,
sizeof (Pci) / sizeof (UINT32),
&Pci
);
if (EFI_ERROR (Status)) {
goto Done;
}
Status = EFI_UNSUPPORTED;
//
// See if the I/O enable is on. Most systems only allow one VGA device to be turned on
// at a time, so see if this is one that is turned on.
//
// if (((Pci.Hdr.Command & 0x01) == 0x01)) {
//
// See if this is a Cirrus Logic PCI controller
//
if (Pci.Hdr.VendorId == CIRRUS_LOGIC_VENDOR_ID) {
//
// See if this is a 5430 or a 5446 PCI controller
//
if (Pci.Hdr.DeviceId == CIRRUS_LOGIC_5430_DEVICE_ID ||
Pci.Hdr.DeviceId == CIRRUS_LOGIC_5430_ALTERNATE_DEVICE_ID ||
Pci.Hdr.DeviceId == CIRRUS_LOGIC_5446_DEVICE_ID) {
Status = EFI_SUCCESS;
//
// If this is an Intel 945 graphics controller,
// go further check RemainingDevicePath validation
//
if (RemainingDevicePath != NULL) {
Node = (EFI_DEV_PATH *) RemainingDevicePath;
//
// Check if RemainingDevicePath is the End of Device Path Node,
// if yes, return EFI_SUCCESS
//
if (!IsDevicePathEnd (Node)) {
//
// If RemainingDevicePath isn't the End of Device Path Node,
// check its validation
//
if (Node->DevPath.Type != ACPI_DEVICE_PATH ||
Node->DevPath.SubType != ACPI_ADR_DP ||
DevicePathNodeLength(&Node->DevPath) != sizeof(ACPI_ADR_DEVICE_PATH)) {
Status = EFI_UNSUPPORTED;
}
}
}
}
}
Done:
//
// Close the PCI I/O Protocol
//
gBS->CloseProtocol (
Controller,
&gEfiPciIoProtocolGuid,
This->DriverBindingHandle,
Controller
);
return Status;
}
/**
Start to process the controller.
@param This The USB bus driver binding instance.
@param Controller The controller to check.
@param RemainingDevicePath The remaining device patch.
@retval EFI_SUCCESS The controller is controlled by the usb bus.
@retval EFI_ALREADY_STARTED The controller is already controlled by the usb
bus.
@retval EFI_OUT_OF_RESOURCES Failed to allocate resources.
**/
EFI_STATUS
EFIAPI
QemuVideoControllerDriverStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
{
EFI_STATUS Status;
QEMU_VIDEO_PRIVATE_DATA *Private;
BOOLEAN PciAttributesSaved;
EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;
ACPI_ADR_DEVICE_PATH AcpiDeviceNode;
PciAttributesSaved = FALSE;
//
// Allocate Private context data for GOP inteface.
//
Private = AllocateZeroPool (sizeof (QEMU_VIDEO_PRIVATE_DATA));
if (Private == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto Error;
}
//
// Set up context record
//
Private->Signature = QEMU_VIDEO_PRIVATE_DATA_SIGNATURE;
Private->Handle = NULL;
//
// Open PCI I/O Protocol
//
Status = gBS->OpenProtocol (
Controller,
&gEfiPciIoProtocolGuid,
(VOID **) &Private->PciIo,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_BY_DRIVER
);
if (EFI_ERROR (Status)) {
goto Error;
}
//
// Save original PCI attributes
//
Status = Private->PciIo->Attributes (
Private->PciIo,
EfiPciIoAttributeOperationGet,
0,
&Private->OriginalPciAttributes
);
if (EFI_ERROR (Status)) {
goto Error;
}
PciAttributesSaved = TRUE;
Status = Private->PciIo->Attributes (
Private->PciIo,
EfiPciIoAttributeOperationEnable,
EFI_PCI_DEVICE_ENABLE | EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY | EFI_PCI_IO_ATTRIBUTE_VGA_IO,
NULL
);
if (EFI_ERROR (Status)) {
goto Error;
}
//
// Get ParentDevicePath
//
Status = gBS->HandleProtocol (
Controller,
&gEfiDevicePathProtocolGuid,
(VOID **) &ParentDevicePath
);
if (EFI_ERROR (Status)) {
goto Error;
}
//
// Set Gop Device Path
//
if (RemainingDevicePath == NULL) {
ZeroMem (&AcpiDeviceNode, sizeof (ACPI_ADR_DEVICE_PATH));
AcpiDeviceNode.Header.Type = ACPI_DEVICE_PATH;
AcpiDeviceNode.Header.SubType = ACPI_ADR_DP;
AcpiDeviceNode.ADR = ACPI_DISPLAY_ADR (1, 0, 0, 1, 0, ACPI_ADR_DISPLAY_TYPE_VGA, 0, 0);
SetDevicePathNodeLength (&AcpiDeviceNode.Header, sizeof (ACPI_ADR_DEVICE_PATH));
Private->GopDevicePath = AppendDevicePathNode (
ParentDevicePath,
(EFI_DEVICE_PATH_PROTOCOL *) &AcpiDeviceNode
);
} else if (!IsDevicePathEnd (RemainingDevicePath)) {
//
// If RemainingDevicePath isn't the End of Device Path Node,
// only scan the specified device by RemainingDevicePath
//
Private->GopDevicePath = AppendDevicePathNode (ParentDevicePath, RemainingDevicePath);
} else {
//
// If RemainingDevicePath is the End of Device Path Node,
// don't create child device and return EFI_SUCCESS
//
Private->GopDevicePath = NULL;
}
if (Private->GopDevicePath != NULL) {
//
// Creat child handle and device path protocol firstly
//
Private->Handle = NULL;
Status = gBS->InstallMultipleProtocolInterfaces (
&Private->Handle,
&gEfiDevicePathProtocolGuid,
Private->GopDevicePath,
NULL
);
}
//
// Construct video mode buffer
//
Status = QemuVideoVideoModeSetup (Private);
if (EFI_ERROR (Status)) {
goto Error;
}
if (Private->GopDevicePath == NULL) {
//
// If RemainingDevicePath is the End of Device Path Node,
// don't create child device and return EFI_SUCCESS
//
Status = EFI_SUCCESS;
} else {
//
// Start the GOP software stack.
//
Status = QemuVideoGraphicsOutputConstructor (Private);
ASSERT_EFI_ERROR (Status);
Status = gBS->InstallMultipleProtocolInterfaces (
&Private->Handle,
&gEfiGraphicsOutputProtocolGuid,
&Private->GraphicsOutput,
NULL
);
}
Error:
if (EFI_ERROR (Status)) {
if (Private) {
if (Private->PciIo) {
if (PciAttributesSaved == TRUE) {
//
// Restore original PCI attributes
//
Private->PciIo->Attributes (
Private->PciIo,
EfiPciIoAttributeOperationSet,
Private->OriginalPciAttributes,
NULL
);
}
//
// Close the PCI I/O Protocol
//
gBS->CloseProtocol (
Private->Handle,
&gEfiPciIoProtocolGuid,
This->DriverBindingHandle,
Private->Handle
);
}
gBS->FreePool (Private);
}
}
return Status;
}
/**
Stop this device
@param This The USB bus driver binding protocol.
@param Controller The controller to release.
@param NumberOfChildren The number of children of this device that
opened the controller BY_CHILD.
@param ChildHandleBuffer The array of child handle.
@retval EFI_SUCCESS The controller or children are stopped.
@retval EFI_DEVICE_ERROR Failed to stop the driver.
**/
EFI_STATUS
EFIAPI
QemuVideoControllerDriverStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
)
{
EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
EFI_STATUS Status;
QEMU_VIDEO_PRIVATE_DATA *Private;
Status = gBS->OpenProtocol (
Controller,
&gEfiGraphicsOutputProtocolGuid,
(VOID **) &GraphicsOutput,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Get our private context information
//
Private = QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (GraphicsOutput);
QemuVideoGraphicsOutputDestructor (Private);
//
// Remove the GOP protocol interface from the system
//
Status = gBS->UninstallMultipleProtocolInterfaces (
Private->Handle,
&gEfiGraphicsOutputProtocolGuid,
&Private->GraphicsOutput,
NULL
);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Restore original PCI attributes
//
Private->PciIo->Attributes (
Private->PciIo,
EfiPciIoAttributeOperationSet,
Private->OriginalPciAttributes,
NULL
);
//
// Close the PCI I/O Protocol
//
gBS->CloseProtocol (
Controller,
&gEfiPciIoProtocolGuid,
This->DriverBindingHandle,
Controller
);
//
// Free our instance data
//
gBS->FreePool (Private);
return EFI_SUCCESS;
}
/**
TODO: Add function description
@param Private TODO: add argument description
@param Address TODO: add argument description
@param Data TODO: add argument description
TODO: add return values
**/
VOID
outb (
QEMU_VIDEO_PRIVATE_DATA *Private,
UINTN Address,
UINT8 Data
)
{
Private->PciIo->Io.Write (
Private->PciIo,
EfiPciIoWidthUint8,
EFI_PCI_IO_PASS_THROUGH_BAR,
Address,
1,
&Data
);
}
/**
TODO: Add function description
@param Private TODO: add argument description
@param Address TODO: add argument description
@param Data TODO: add argument description
TODO: add return values
**/
VOID
outw (
QEMU_VIDEO_PRIVATE_DATA *Private,
UINTN Address,
UINT16 Data
)
{
Private->PciIo->Io.Write (
Private->PciIo,
EfiPciIoWidthUint16,
EFI_PCI_IO_PASS_THROUGH_BAR,
Address,
1,
&Data
);
}
/**
TODO: Add function description
@param Private TODO: add argument description
@param Address TODO: add argument description
TODO: add return values
**/
UINT8
inb (
QEMU_VIDEO_PRIVATE_DATA *Private,
UINTN Address
)
{
UINT8 Data;
Private->PciIo->Io.Read (
Private->PciIo,
EfiPciIoWidthUint8,
EFI_PCI_IO_PASS_THROUGH_BAR,
Address,
1,
&Data
);
return Data;
}
/**
TODO: Add function description
@param Private TODO: add argument description
@param Address TODO: add argument description
TODO: add return values
**/
UINT16
inw (
QEMU_VIDEO_PRIVATE_DATA *Private,
UINTN Address
)
{
UINT16 Data;
Private->PciIo->Io.Read (
Private->PciIo,
EfiPciIoWidthUint16,
EFI_PCI_IO_PASS_THROUGH_BAR,
Address,
1,
&Data
);
return Data;
}
/**
TODO: Add function description
@param Private TODO: add argument description
@param Index TODO: add argument description
@param Red TODO: add argument description
@param Green TODO: add argument description
@param Blue TODO: add argument description
TODO: add return values
**/
VOID
SetPaletteColor (
QEMU_VIDEO_PRIVATE_DATA *Private,
UINTN Index,
UINT8 Red,
UINT8 Green,
UINT8 Blue
)
{
outb (Private, PALETTE_INDEX_REGISTER, (UINT8) Index);
outb (Private, PALETTE_DATA_REGISTER, (UINT8) (Red >> 2));
outb (Private, PALETTE_DATA_REGISTER, (UINT8) (Green >> 2));
outb (Private, PALETTE_DATA_REGISTER, (UINT8) (Blue >> 2));
}
/**
TODO: Add function description
@param Private TODO: add argument description
TODO: add return values
**/
VOID
SetDefaultPalette (
QEMU_VIDEO_PRIVATE_DATA *Private
)
{
UINTN Index;
UINTN RedIndex;
UINTN GreenIndex;
UINTN BlueIndex;
Index = 0;
for (RedIndex = 0; RedIndex < 8; RedIndex++) {
for (GreenIndex = 0; GreenIndex < 8; GreenIndex++) {
for (BlueIndex = 0; BlueIndex < 4; BlueIndex++) {
SetPaletteColor (Private, Index, (UINT8) (RedIndex << 5), (UINT8) (GreenIndex << 5), (UINT8) (BlueIndex << 6));
Index++;
}
}
}
}
/**
TODO: Add function description
@param Private TODO: add argument description
TODO: add return values
**/
VOID
ClearScreen (
QEMU_VIDEO_PRIVATE_DATA *Private
)
{
UINT32 Color;
Color = 0;
Private->PciIo->Mem.Write (
Private->PciIo,
EfiPciIoWidthFillUint32,
0,
0,
0x400000 >> 2,
&Color
);
}
/**
TODO: Add function description
@param Private TODO: add argument description
TODO: add return values
**/
VOID
DrawLogo (
QEMU_VIDEO_PRIVATE_DATA *Private,
UINTN ScreenWidth,
UINTN ScreenHeight
)
{
}
/**
TODO: Add function description
@param Private TODO: add argument description
@param ModeData TODO: add argument description
TODO: add return values
**/
VOID
InitializeGraphicsMode (
QEMU_VIDEO_PRIVATE_DATA *Private,
QEMU_VIDEO_VIDEO_MODES *ModeData
)
{
UINT8 Byte;
UINTN Index;
UINT16 DeviceId;
EFI_STATUS Status;
Status = Private->PciIo->Pci.Read (
Private->PciIo,
EfiPciIoWidthUint16,
PCI_DEVICE_ID_OFFSET,
1,
&DeviceId
);
//
// Read the PCI Configuration Header from the PCI Device
//
ASSERT_EFI_ERROR (Status);
outw (Private, SEQ_ADDRESS_REGISTER, 0x1206);
outw (Private, SEQ_ADDRESS_REGISTER, 0x0012);
for (Index = 0; Index < 15; Index++) {
outw (Private, SEQ_ADDRESS_REGISTER, ModeData->SeqSettings[Index]);
}
if (DeviceId != CIRRUS_LOGIC_5446_DEVICE_ID) {
outb (Private, SEQ_ADDRESS_REGISTER, 0x0f);
Byte = (UINT8) ((inb (Private, SEQ_DATA_REGISTER) & 0xc7) ^ 0x30);
outb (Private, SEQ_DATA_REGISTER, Byte);
}
outb (Private, MISC_OUTPUT_REGISTER, ModeData->MiscSetting);
outw (Private, GRAPH_ADDRESS_REGISTER, 0x0506);
outw (Private, SEQ_ADDRESS_REGISTER, 0x0300);
outw (Private, CRTC_ADDRESS_REGISTER, 0x2011);
for (Index = 0; Index < 28; Index++) {
outw (Private, CRTC_ADDRESS_REGISTER, (UINT16) ((ModeData->CrtcSettings[Index] << 8) | Index));
}
for (Index = 0; Index < 9; Index++) {
outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) ((GraphicsController[Index] << 8) | Index));
}
inb (Private, INPUT_STATUS_1_REGISTER);
for (Index = 0; Index < 21; Index++) {
outb (Private, ATT_ADDRESS_REGISTER, (UINT8) Index);
outb (Private, ATT_ADDRESS_REGISTER, AttributeController[Index]);
}
outb (Private, ATT_ADDRESS_REGISTER, 0x20);
outw (Private, GRAPH_ADDRESS_REGISTER, 0x0009);
outw (Private, GRAPH_ADDRESS_REGISTER, 0x000a);
outw (Private, GRAPH_ADDRESS_REGISTER, 0x000b);
outb (Private, DAC_PIXEL_MASK_REGISTER, 0xff);
SetDefaultPalette (Private);
ClearScreen (Private);
}
EFI_STATUS
EFIAPI
InitializeQemuVideo (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
Status = EfiLibInstallDriverBindingComponentName2 (
ImageHandle,
SystemTable,
&gQemuVideoDriverBinding,
ImageHandle,
&gQemuVideoComponentName,
&gQemuVideoComponentName2
);
ASSERT_EFI_ERROR (Status);
//
// Install EFI Driver Supported EFI Version Protocol required for
// EFI drivers that are on PCI and other plug in cards.
//
gQemuVideoDriverSupportedEfiVersion.FirmwareVersion = PcdGet32 (PcdDriverSupportedEfiVersion);
Status = gBS->InstallMultipleProtocolInterfaces (
&ImageHandle,
&gEfiDriverSupportedEfiVersionProtocolGuid,
&gQemuVideoDriverSupportedEfiVersion,
NULL
);
ASSERT_EFI_ERROR (Status);
return Status;
}

21
OvmfPkg/QemuVideoDxe/DriverSupportedEfiVersion.c Normal file
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/** @file
Driver supported version protocol for the QEMU video driver.
Copyright (c) 2007 - 2010, 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 "Qemu.h"
EFI_DRIVER_SUPPORTED_EFI_VERSION_PROTOCOL gQemuVideoDriverSupportedEfiVersion = {
sizeof (EFI_DRIVER_SUPPORTED_EFI_VERSION_PROTOCOL), // Size of Protocol structure.
0 // Version number to be filled at start up.
};

361
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/** @file
Graphics Output Protocol functions for the QEMU video controller.
Copyright (c) 2007 - 2010, 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 "Qemu.h"
#include <IndustryStandard/Acpi.h>
#include <Library/BltLib.h>
STATIC
VOID
QemuVideoCompleteModeInfo (
IN QEMU_VIDEO_MODE_DATA *ModeData,
OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info
)
{
Info->Version = 0;
if (ModeData->ColorDepth == 8) {
Info->PixelFormat = PixelBitMask;
Info->PixelInformation.RedMask = PIXEL_RED_MASK;
Info->PixelInformation.GreenMask = PIXEL_GREEN_MASK;
Info->PixelInformation.BlueMask = PIXEL_BLUE_MASK;
Info->PixelInformation.ReservedMask = 0;
} else if (ModeData->ColorDepth == 24) {
Info->PixelFormat = PixelBitMask;
Info->PixelInformation.RedMask = PIXEL24_RED_MASK;
Info->PixelInformation.GreenMask = PIXEL24_GREEN_MASK;
Info->PixelInformation.BlueMask = PIXEL24_BLUE_MASK;
Info->PixelInformation.ReservedMask = 0;
} else if (ModeData->ColorDepth == 32) {
DEBUG ((EFI_D_INFO, "PixelBlueGreenRedReserved8BitPerColor\n"));
Info->PixelFormat = PixelBlueGreenRedReserved8BitPerColor;
}
Info->PixelsPerScanLine = Info->HorizontalResolution;
}
STATIC
EFI_STATUS
QemuVideoCompleteModeData (
IN QEMU_VIDEO_PRIVATE_DATA *Private,
OUT EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE *Mode
)
{
EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;
EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *FrameBufDesc;
QEMU_VIDEO_MODE_DATA *ModeData;
ModeData = &Private->ModeData[Mode->Mode];
Info = Mode->Info;
QemuVideoCompleteModeInfo (ModeData, Info);
Private->PciIo->GetBarAttributes (
Private->PciIo,
0,
NULL,
(VOID**) &FrameBufDesc
);
Mode->FrameBufferBase = FrameBufDesc->AddrRangeMin;
Mode->FrameBufferSize = Info->HorizontalResolution * Info->VerticalResolution;
Mode->FrameBufferSize = Mode->FrameBufferSize * ((ModeData->ColorDepth + 7) / 8);
DEBUG ((EFI_D_INFO, "FrameBufferBase: 0x%x, FrameBufferSize: 0x%x\n", Mode->FrameBufferBase, Mode->FrameBufferSize));
return EFI_SUCCESS;
}
//
// Graphics Output Protocol Member Functions
//
EFI_STATUS
EFIAPI
QemuVideoGraphicsOutputQueryMode (
IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
IN UINT32 ModeNumber,
OUT UINTN *SizeOfInfo,
OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info
)
/*++
Routine Description:
Graphics Output protocol interface to query video mode
Arguments:
This - Protocol instance pointer.
ModeNumber - The mode number to return information on.
Info - Caller allocated buffer that returns information about ModeNumber.
SizeOfInfo - A pointer to the size, in bytes, of the Info buffer.
Returns:
EFI_SUCCESS - Mode information returned.
EFI_BUFFER_TOO_SMALL - The Info buffer was too small.
EFI_DEVICE_ERROR - A hardware error occurred trying to retrieve the video mode.
EFI_NOT_STARTED - Video display is not initialized. Call SetMode ()
EFI_INVALID_PARAMETER - One of the input args was NULL.
--*/
{
QEMU_VIDEO_PRIVATE_DATA *Private;
QEMU_VIDEO_MODE_DATA *ModeData;
Private = QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (This);
if (Private->HardwareNeedsStarting) {
return EFI_NOT_STARTED;
}
if (Info == NULL || SizeOfInfo == NULL || ModeNumber >= This->Mode->MaxMode) {
return EFI_INVALID_PARAMETER;
}
*Info = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION));
if (*Info == NULL) {
return EFI_OUT_OF_RESOURCES;
}
*SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);
ModeData = &Private->ModeData[ModeNumber];
(*Info)->HorizontalResolution = ModeData->HorizontalResolution;
(*Info)->VerticalResolution = ModeData->VerticalResolution;
QemuVideoCompleteModeInfo (ModeData, *Info);
return EFI_SUCCESS;
}
EFI_STATUS
EFIAPI
QemuVideoGraphicsOutputSetMode (
IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
IN UINT32 ModeNumber
)
/*++
Routine Description:
Graphics Output protocol interface to set video mode
Arguments:
This - Protocol instance pointer.
ModeNumber - The mode number to be set.
Returns:
EFI_SUCCESS - Graphics mode was changed.
EFI_DEVICE_ERROR - The device had an error and could not complete the request.
EFI_UNSUPPORTED - ModeNumber is not supported by this device.
--*/
{
QEMU_VIDEO_PRIVATE_DATA *Private;
QEMU_VIDEO_MODE_DATA *ModeData;
// UINTN Count;
Private = QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (This);
if (ModeNumber >= This->Mode->MaxMode) {
return EFI_UNSUPPORTED;
}
ModeData = &Private->ModeData[ModeNumber];
if (Private->LineBuffer) {
gBS->FreePool (Private->LineBuffer);
}
Private->LineBuffer = NULL;
Private->LineBuffer = AllocatePool (4 * ModeData->HorizontalResolution);
if (Private->LineBuffer == NULL) {
return EFI_OUT_OF_RESOURCES;
}
InitializeGraphicsMode (Private, &QemuVideoVideoModes[ModeData->ModeNumber]);
This->Mode->Mode = ModeNumber;
This->Mode->Info->HorizontalResolution = ModeData->HorizontalResolution;
This->Mode->Info->VerticalResolution = ModeData->VerticalResolution;
This->Mode->SizeOfInfo = sizeof(EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);
QemuVideoCompleteModeData (Private, This->Mode);
BltLibConfigure (
(VOID*)(UINTN) This->Mode->FrameBufferBase,
This->Mode->Info
);
Private->HardwareNeedsStarting = FALSE;
return EFI_SUCCESS;
}
EFI_STATUS
EFIAPI
QemuVideoGraphicsOutputBlt (
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
)
/*++
Routine Description:
Graphics Output protocol instance to block transfer for CirrusLogic device
Arguments:
This - Pointer to Graphics Output protocol instance
BltBuffer - The data to transfer to screen
BltOperation - The operation to perform
SourceX - The X coordinate of the source for BltOperation
SourceY - The Y coordinate of the source for BltOperation
DestinationX - The X coordinate of the destination for BltOperation
DestinationY - The Y coordinate of the destination for BltOperation
Width - The width of a rectangle in the blt rectangle in pixels
Height - The height of a rectangle in the blt rectangle in pixels
Delta - Not used for EfiBltVideoFill and EfiBltVideoToVideo operation.
If a Delta of 0 is used, the entire BltBuffer will be operated on.
If a subrectangle of the BltBuffer is used, then Delta represents
the number of bytes in a row of the BltBuffer.
Returns:
EFI_INVALID_PARAMETER - Invalid parameter passed in
EFI_SUCCESS - Blt operation success
--*/
{
EFI_STATUS Status;
EFI_TPL OriginalTPL;
//
// We have to raise to TPL Notify, so we make an atomic write the frame buffer.
// We would not want a timer based event (Cursor, ...) to come in while we are
// doing this operation.
//
OriginalTPL = gBS->RaiseTPL (TPL_NOTIFY);
switch (BltOperation) {
case EfiBltVideoToBltBuffer:
case EfiBltBufferToVideo:
case EfiBltVideoFill:
case EfiBltVideoToVideo:
Status = BltLibGopBlt (
BltBuffer,
BltOperation,
SourceX,
SourceY,
DestinationX,
DestinationY,
Width,
Height,
Delta
);
break;
default:
Status = EFI_INVALID_PARAMETER;
ASSERT (FALSE);
}
gBS->RestoreTPL (OriginalTPL);
return Status;
}
EFI_STATUS
QemuVideoGraphicsOutputConstructor (
QEMU_VIDEO_PRIVATE_DATA *Private
)
{
EFI_STATUS Status;
EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
GraphicsOutput = &Private->GraphicsOutput;
GraphicsOutput->QueryMode = QemuVideoGraphicsOutputQueryMode;
GraphicsOutput->SetMode = QemuVideoGraphicsOutputSetMode;
GraphicsOutput->Blt = QemuVideoGraphicsOutputBlt;
//
// Initialize the private data
//
Status = gBS->AllocatePool (
EfiBootServicesData,
sizeof (EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE),
(VOID **) &Private->GraphicsOutput.Mode
);
if (EFI_ERROR (Status)) {
return Status;
}
Status = gBS->AllocatePool (
EfiBootServicesData,
sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION),
(VOID **) &Private->GraphicsOutput.Mode->Info
);
if (EFI_ERROR (Status)) {
return Status;
}
Private->GraphicsOutput.Mode->MaxMode = (UINT32) Private->MaxMode;
Private->GraphicsOutput.Mode->Mode = GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER;
Private->HardwareNeedsStarting = TRUE;
Private->LineBuffer = NULL;
//
// Initialize the hardware
//
GraphicsOutput->SetMode (GraphicsOutput, 0);
DrawLogo (
Private,
Private->ModeData[Private->GraphicsOutput.Mode->Mode].HorizontalResolution,
Private->ModeData[Private->GraphicsOutput.Mode->Mode].VerticalResolution
);
return EFI_SUCCESS;
}
EFI_STATUS
QemuVideoGraphicsOutputDestructor (
QEMU_VIDEO_PRIVATE_DATA *Private
)
/*++
Routine Description:
Arguments:
Returns:
None
--*/
{
if (Private->GraphicsOutput.Mode != NULL) {
if (Private->GraphicsOutput.Mode->Info != NULL) {
gBS->FreePool (Private->GraphicsOutput.Mode->Info);
}
gBS->FreePool (Private->GraphicsOutput.Mode);
}
return EFI_SUCCESS;
}

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OvmfPkg/QemuVideoDxe/Initialize.c Normal file
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/** @file
Graphics Output Protocol functions for the QEMU video controller.
Copyright (c) 2007 - 2010, 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 "Qemu.h"
///
/// Generic Attribute Controller Register Settings
///
UINT8 AttributeController[21] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x41, 0x00, 0x0F, 0x00, 0x00
};
///
/// Generic Graphics Controller Register Settings
///
UINT8 GraphicsController[9] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0F, 0xFF
};
//
// 640 x 480 x 256 color @ 60 Hertz
//
UINT8 Crtc_640_480_256_60[28] = {
0x5d, 0x4f, 0x50, 0x82, 0x53, 0x9f, 0x00, 0x3e,
0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xe1, 0x83, 0xdf, 0x50, 0x00, 0xe7, 0x04, 0xe3,
0xff, 0x00, 0x00, 0x22
};
UINT8 Crtc_640_480_32bpp_60[28] = {
0x5d, 0x4f, 0x50, 0x82, 0x53, 0x9f, 0x00, 0x3e,
0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xe1, 0x83, 0xdf, 0x40, 0x00, 0xe7, 0x04, 0xe3,
0xff, 0x00, 0x00, 0x32
};
UINT16 Seq_640_480_256_60[15] = {
0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1107, 0x0008, 0x4a0b,
0x5b0c, 0x450d, 0x7e0e, 0x2b1b, 0x2f1c, 0x301d, 0x331e
};
UINT16 Seq_640_480_32bpp_60[15] = {
0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1907, 0x0008, 0x4a0b,
0x5b0c, 0x450d, 0x7e0e, 0x2b1b, 0x2f1c, 0x301d, 0x331e
};
//
// 800 x 600 x 256 color @ 60 Hertz
//
UINT8 Crtc_800_600_256_60[28] = {
0x7F, 0x63, 0x64, 0x80, 0x6B, 0x1B, 0x72, 0xF0,
0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x58, 0x8C, 0x57, 0x64, 0x00, 0x5F, 0x91, 0xE3,
0xFF, 0x00, 0x00, 0x22
};
UINT8 Crtc_800_600_32bpp_60[28] = {
0x7F, 0x63, 0x64, 0x80, 0x6B, 0x1B, 0x72, 0xF0,
0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x58, 0x8C, 0x57, 0x90, 0x00, 0x5F, 0x91, 0xE3,
0xFF, 0x00, 0x00, 0x32
};
UINT16 Seq_800_600_256_60[15] = {
0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1107, 0x0008, 0x4a0b,
0x5b0c, 0x450d, 0x510e, 0x2b1b, 0x2f1c, 0x301d, 0x3a1e
};
UINT16 Seq_800_600_32bpp_60[15] = {
0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1907, 0x0008, 0x4a0b,
0x5b0c, 0x450d, 0x510e, 0x2b1b, 0x2f1c, 0x301d, 0x3a1e
};
UINT8 Crtc_960_720_32bpp_60[28] = {
0xA3, 0x77, 0x80, 0x86, 0x85, 0x96, 0x24, 0xFD,
0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x02, 0x88, 0xCF, 0xe0, 0x00, 0x00, 0x64, 0xE3,
0xFF, 0x4A, 0x00, 0x32
};
UINT16 Seq_960_720_32bpp_60[15] = {
0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1907, 0x0008, 0x4a0b,
0x5b0c, 0x450d, 0x760e, 0x2b1b, 0x2f1c, 0x301d, 0x341e
};
//
// 1024 x 768 x 256 color @ 60 Hertz
//
UINT8 Crtc_1024_768_256_60[28] = {
0xA3, 0x7F, 0x80, 0x86, 0x85, 0x96, 0x24, 0xFD,
0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x02, 0x88, 0xFF, 0x80, 0x00, 0x00, 0x24, 0xE3,
0xFF, 0x4A, 0x00, 0x22
};
UINT16 Seq_1024_768_256_60[15] = {
0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1107, 0x0008, 0x4a0b,
0x5b0c, 0x450d, 0x760e, 0x2b1b, 0x2f1c, 0x301d, 0x341e
};
//
// 1024 x 768 x 24-bit color @ 60 Hertz
//
UINT8 Crtc_1024_768_24bpp_60[28] = {
0xA3, 0x7F, 0x80, 0x86, 0x85, 0x96, 0x24, 0xFD,
0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x02, 0x88, 0xFF, 0x80, 0x00, 0x00, 0x24, 0xE3,
0xFF, 0x4A, 0x00, 0x32
};
UINT16 Seq_1024_768_24bpp_60[15] = {
0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1507, 0x0008, 0x4a0b,
0x5b0c, 0x450d, 0x760e, 0x2b1b, 0x2f1c, 0x301d, 0x341e
};
UINT8 Crtc_1024_768_32bpp_60[28] = {
0xA3, 0x7F, 0x80, 0x86, 0x85, 0x96, 0x24, 0xFD,
0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x02, 0x88, 0xFF, 0xe0, 0x00, 0x00, 0x64, 0xE3,
0xFF, 0x4A, 0x00, 0x32
};
UINT16 Seq_1024_768_32bpp_60[15] = {
0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1907, 0x0008, 0x4a0b,
0x5b0c, 0x450d, 0x760e, 0x2b1b, 0x2f1c, 0x301d, 0x341e
};
///
/// Table of supported video modes
///
QEMU_VIDEO_VIDEO_MODES QemuVideoVideoModes[] = {
// { 640, 480, 8, 60, Crtc_640_480_256_60, Seq_640_480_256_60, 0xe3 },
// { 800, 600, 8, 60, Crtc_800_600_256_60, Seq_800_600_256_60, 0xef },
{ 640, 480, 32, 60, Crtc_640_480_32bpp_60, Seq_640_480_32bpp_60, 0xef },
{ 800, 600, 32, 60, Crtc_800_600_32bpp_60, Seq_800_600_32bpp_60, 0xef },
// { 1024, 768, 8, 60, Crtc_1024_768_256_60, Seq_1024_768_256_60, 0xef }
{ 1024, 768, 24, 60, Crtc_1024_768_24bpp_60, Seq_1024_768_24bpp_60, 0xef }
// { 1024, 768, 32, 60, Crtc_1024_768_32bpp_60, Seq_1024_768_32bpp_60, 0xef }
// { 960, 720, 32, 60, Crtc_960_720_32bpp_60, Seq_1024_768_32bpp_60, 0xef }
};
#define QEMU_VIDEO_MODE_COUNT \
(sizeof (QemuVideoVideoModes) / sizeof (QemuVideoVideoModes[0]))
/**
Construct the valid video modes for QemuVideo.
**/
EFI_STATUS
QemuVideoVideoModeSetup (
QEMU_VIDEO_PRIVATE_DATA *Private
)
{
UINT32 Index;
QEMU_VIDEO_MODE_DATA *ModeData;
QEMU_VIDEO_VIDEO_MODES *VideoMode;
//
// Setup Video Modes
//
Private->ModeData = AllocatePool (
sizeof (Private->ModeData[0]) * QEMU_VIDEO_MODE_COUNT
);
ModeData = Private->ModeData;
VideoMode = &QemuVideoVideoModes[0];
for (Index = 0; Index < QEMU_VIDEO_MODE_COUNT; Index ++) {
ModeData->ModeNumber = Index;
ModeData->HorizontalResolution = VideoMode->Width;
ModeData->VerticalResolution = VideoMode->Height;
ModeData->ColorDepth = VideoMode->ColorDepth;
ModeData->RefreshRate = VideoMode->RefreshRate;
DEBUG ((EFI_D_INFO,
"Adding Video Mode %d: %dx%d, %d-bit, %d Hz\n",
ModeData->ModeNumber,
ModeData->HorizontalResolution,
ModeData->VerticalResolution,
ModeData->ColorDepth,
ModeData->RefreshRate
));
ModeData ++ ;
VideoMode ++;
}
Private->MaxMode = QEMU_VIDEO_MODE_COUNT;
return EFI_SUCCESS;
}

418
OvmfPkg/QemuVideoDxe/Qemu.h Normal file
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@ -0,0 +1,418 @@
/** @file
QEMU Video Controller Driver
Copyright (c) 2006 - 2010, Intel Corporation
All rights reserved. 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.
**/
//
// QEMU Video Controller Driver
//
#ifndef _QEMU_H_
#define _QEMU_H_
#include <Uefi.h>
#include <Protocol/GraphicsOutput.h>
#include <Protocol/PciIo.h>
#include <Protocol/DriverSupportedEfiVersion.h>
#include <Protocol/DevicePath.h>
#include <Library/DebugLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/UefiLib.h>
#include <Library/PcdLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DevicePathLib.h>
#include <Library/TimerLib.h>
#include <IndustryStandard/Pci.h>
//
// QEMU Video PCI Configuration Header values
//
#define CIRRUS_LOGIC_VENDOR_ID 0x1013
#define CIRRUS_LOGIC_5430_DEVICE_ID 0x00a8
#define CIRRUS_LOGIC_5430_ALTERNATE_DEVICE_ID 0x00a0
#define CIRRUS_LOGIC_5446_DEVICE_ID 0x00b8
//
// QEMU Vide Graphical Mode Data
//
typedef struct {
UINT32 ModeNumber;
UINT32 HorizontalResolution;
UINT32 VerticalResolution;
UINT32 ColorDepth;
UINT32 RefreshRate;
} QEMU_VIDEO_MODE_DATA;
#define PIXEL_RED_SHIFT 0
#define PIXEL_GREEN_SHIFT 3
#define PIXEL_BLUE_SHIFT 6
#define PIXEL_RED_MASK (BIT7 | BIT6 | BIT5)
#define PIXEL_GREEN_MASK (BIT4 | BIT3 | BIT2)
#define PIXEL_BLUE_MASK (BIT1 | BIT0)
#define PIXEL_TO_COLOR_BYTE(pixel, mask, shift) ((UINT8) ((pixel & mask) << shift))
#define PIXEL_TO_RED_BYTE(pixel) PIXEL_TO_COLOR_BYTE(pixel, PIXEL_RED_MASK, PIXEL_RED_SHIFT)
#define PIXEL_TO_GREEN_BYTE(pixel) PIXEL_TO_COLOR_BYTE(pixel, PIXEL_GREEN_MASK, PIXEL_GREEN_SHIFT)
#define PIXEL_TO_BLUE_BYTE(pixel) PIXEL_TO_COLOR_BYTE(pixel, PIXEL_BLUE_MASK, PIXEL_BLUE_SHIFT)
#define RGB_BYTES_TO_PIXEL(Red, Green, Blue) \
(UINT8) ( (((Red) >> PIXEL_RED_SHIFT) & PIXEL_RED_MASK) | \
(((Green) >> PIXEL_GREEN_SHIFT) & PIXEL_GREEN_MASK) | \
(((Blue) >> PIXEL_BLUE_SHIFT) & PIXEL_BLUE_MASK) )
#define PIXEL24_RED_MASK 0x00ff0000
#define PIXEL24_GREEN_MASK 0x0000ff00
#define PIXEL24_BLUE_MASK 0x000000ff
#define GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER 0xffff
//
// QEMU Video Private Data Structure
//
#define QEMU_VIDEO_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('Q', 'V', 'I', 'D')
typedef struct {
UINT64 Signature;
EFI_HANDLE Handle;
EFI_PCI_IO_PROTOCOL *PciIo;
UINT64 OriginalPciAttributes;
EFI_GRAPHICS_OUTPUT_PROTOCOL GraphicsOutput;
EFI_DEVICE_PATH_PROTOCOL *GopDevicePath;
UINTN CurrentMode;
UINTN MaxMode;
QEMU_VIDEO_MODE_DATA *ModeData;
UINT8 *LineBuffer;
BOOLEAN HardwareNeedsStarting;
} QEMU_VIDEO_PRIVATE_DATA;
///
/// Video Mode structure
///
typedef struct {
UINT32 Width;
UINT32 Height;
UINT32 ColorDepth;
UINT32 RefreshRate;
UINT8 *CrtcSettings;
UINT16 *SeqSettings;
UINT8 MiscSetting;
} QEMU_VIDEO_VIDEO_MODES;
#define QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS(a) \
CR(a, QEMU_VIDEO_PRIVATE_DATA, GraphicsOutput, QEMU_VIDEO_PRIVATE_DATA_SIGNATURE)
//
// Global Variables
//
extern UINT8 AttributeController[];
extern UINT8 GraphicsController[];
extern UINT8 Crtc_640_480_256_60[];
extern UINT16 Seq_640_480_256_60[];
extern UINT8 Crtc_800_600_256_60[];
extern UINT16 Seq_800_600_256_60[];
extern UINT8 Crtc_1024_768_256_60[];
extern UINT16 Seq_1024_768_256_60[];
extern QEMU_VIDEO_VIDEO_MODES QemuVideoVideoModes[];
extern EFI_DRIVER_BINDING_PROTOCOL gQemuVideoDriverBinding;
extern EFI_COMPONENT_NAME_PROTOCOL gQemuVideoComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL gQemuVideoComponentName2;
extern EFI_DRIVER_SUPPORTED_EFI_VERSION_PROTOCOL gQemuVideoDriverSupportedEfiVersion;
//
// Io Registers defined by VGA
//
#define CRTC_ADDRESS_REGISTER 0x3d4
#define CRTC_DATA_REGISTER 0x3d5
#define SEQ_ADDRESS_REGISTER 0x3c4
#define SEQ_DATA_REGISTER 0x3c5
#define GRAPH_ADDRESS_REGISTER 0x3ce
#define GRAPH_DATA_REGISTER 0x3cf
#define ATT_ADDRESS_REGISTER 0x3c0
#define MISC_OUTPUT_REGISTER 0x3c2
#define INPUT_STATUS_1_REGISTER 0x3da
#define DAC_PIXEL_MASK_REGISTER 0x3c6
#define PALETTE_INDEX_REGISTER 0x3c8
#define PALETTE_DATA_REGISTER 0x3c9
//
// Graphics Output Hardware abstraction internal worker functions
//
EFI_STATUS
QemuVideoGraphicsOutputConstructor (
QEMU_VIDEO_PRIVATE_DATA *Private
);
EFI_STATUS
QemuVideoGraphicsOutputDestructor (
QEMU_VIDEO_PRIVATE_DATA *Private
);
//
// EFI_DRIVER_BINDING_PROTOCOL Protocol Interface
//
/**
TODO: Add function description
@param This TODO: add argument description
@param Controller TODO: add argument description
@param RemainingDevicePath TODO: add argument description
TODO: add return values
**/
EFI_STATUS
EFIAPI
QemuVideoControllerDriverSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
/**
TODO: Add function description
@param This TODO: add argument description
@param Controller TODO: add argument description
@param RemainingDevicePath TODO: add argument description
TODO: add return values
**/
EFI_STATUS
EFIAPI
QemuVideoControllerDriverStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
/**
TODO: Add function description
@param This TODO: add argument description
@param Controller TODO: add argument description
@param NumberOfChildren TODO: add argument description
@param ChildHandleBuffer TODO: add argument description
TODO: add return values
**/
EFI_STATUS
EFIAPI
QemuVideoControllerDriverStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
);
//
// EFI Component Name Functions
//
/**
Retrieves a Unicode string that is the user readable name of the driver.
This function retrieves the user readable name of a driver in the form of a
Unicode string. If the driver specified by This has a user readable name in
the language specified by Language, then a pointer to the driver name is
returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
by This does not support the language specified by Language,
then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified
in RFC 4646 or ISO 639-2 language code format.
@param DriverName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
driver specified by This in the language
specified by Language.
@retval EFI_SUCCESS The Unicode string for the Driver specified by
This and the language specified by Language was
returned in DriverName.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER DriverName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
QemuVideoComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
);
/**
Retrieves a Unicode string that is the user readable name of the controller
that is being managed by a driver.
This function retrieves the user readable name of the controller specified by
ControllerHandle and ChildHandle in the form of a Unicode string. If the
driver specified by This has a user readable name in the language specified by
Language, then a pointer to the controller name is returned in ControllerName,
and EFI_SUCCESS is returned. If the driver specified by This is not currently
managing the controller specified by ControllerHandle and ChildHandle,
then EFI_UNSUPPORTED is returned. If the driver specified by This does not
support the language specified by Language, then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param ControllerHandle[in] The handle of a controller that the driver
specified by This is managing. This handle
specifies the controller whose name is to be
returned.
@param ChildHandle[in] The handle of the child controller to retrieve
the name of. This is an optional parameter that
may be NULL. It will be NULL for device
drivers. It will also be NULL for a bus drivers
that wish to retrieve the name of the bus
controller. It will not be NULL for a bus
driver that wishes to retrieve the name of a
child controller.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified in
RFC 4646 or ISO 639-2 language code format.
@param ControllerName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
controller specified by ControllerHandle and
ChildHandle in the language specified by
Language from the point of view of the driver
specified by This.
@retval EFI_SUCCESS The Unicode string for the user readable name in
the language specified by Language for the
driver specified by This was returned in
DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
QemuVideoComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
);
//
// Local Function Prototypes
//
VOID
InitializeGraphicsMode (
QEMU_VIDEO_PRIVATE_DATA *Private,
QEMU_VIDEO_VIDEO_MODES *ModeData
);
VOID
SetPaletteColor (
QEMU_VIDEO_PRIVATE_DATA *Private,
UINTN Index,
UINT8 Red,
UINT8 Green,
UINT8 Blue
);
VOID
SetDefaultPalette (
QEMU_VIDEO_PRIVATE_DATA *Private
);
VOID
DrawLogo (
QEMU_VIDEO_PRIVATE_DATA *Private,
UINTN ScreenWidth,
UINTN ScreenHeight
);
VOID
outb (
QEMU_VIDEO_PRIVATE_DATA *Private,
UINTN Address,
UINT8 Data
);
VOID
outw (
QEMU_VIDEO_PRIVATE_DATA *Private,
UINTN Address,
UINT16 Data
);
UINT8
inb (
QEMU_VIDEO_PRIVATE_DATA *Private,
UINTN Address
);
UINT16
inw (
QEMU_VIDEO_PRIVATE_DATA *Private,
UINTN Address
);
EFI_STATUS
QemuVideoVideoModeSetup (
QEMU_VIDEO_PRIVATE_DATA *Private
);
#endif

71
OvmfPkg/QemuVideoDxe/QemuVideoDxe.inf Normal file
View File

@ -0,0 +1,71 @@
#/** @file
# This driver is a sample implementation of the Graphics Output Protocol for
# the QEMU (Cirrus Logic 5446) video controller.
#
# Copyright (c) 2006 - 2010, 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.
#
#**/
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = QemuVideoDxe
FILE_GUID = e3752948-b9a1-4770-90c4-df41c38986be
MODULE_TYPE = UEFI_DRIVER
VERSION_STRING = 1.0
ENTRY_POINT = InitializeQemuVideo
PCI_VENDOR_ID = 0x1013
PCI_DEVICE_ID = 0x00A8
PCI_CLASS_CODE = 0x030000
PCI_REVISION = 0x00
COMPRESS = TRUE
#
# The following information is for reference only and not required by the build tools.
#
# VALID_ARCHITECTURES = IA32 X64 IPF EBC
#
# DRIVER_BINDING = gQemuVideoDriverBinding
# COMPONENT_NAME = gQemuVideoComponentName
#
[Sources.common]
ComponentName.c
Driver.c
DriverSupportedEfiVersion.c
Gop.c
Initialize.c
[Packages]
MdePkg/MdePkg.dec
OptionRomPkg/OptionRomPkg.dec
[LibraryClasses]
BaseMemoryLib
BltLib
DebugLib
DevicePathLib
MemoryAllocationLib
TimerLib
UefiBootServicesTableLib
UefiDriverEntryPoint
UefiLib
[Protocols]
gEfiDriverSupportedEfiVersionProtocolGuid # PROTOCOL ALWAYS_PRODUCED
gEfiGraphicsOutputProtocolGuid # PROTOCOL BY_START
gEfiDevicePathProtocolGuid # PROTOCOL BY_START
gEfiPciIoProtocolGuid # PROTOCOL TO_START
[Pcd]
gOptionRomPkgTokenSpaceGuid.PcdDriverSupportedEfiVersion

4
OvmfPkg/build.sh
View File

@ -179,9 +179,9 @@ fi
if [[ "$RUN_QEMU" == "yes" ]]; then
if [[ ! -d $QEMU_FIRMWARE_DIR ]]; then
mkdir $QEMU_FIRMWARE_DIR
ln -s $FV_DIR/OVMF.fd $QEMU_FIRMWARE_DIR/bios.bin
ln -s $FV_DIR/CirrusLogic5446.rom $QEMU_FIRMWARE_DIR/vgabios-cirrus.bin
fi
ln -sf $FV_DIR/OVMF.fd $QEMU_FIRMWARE_DIR/bios.bin
ln -sf $FV_DIR/OvmfVideo.rom $QEMU_FIRMWARE_DIR/vgabios-cirrus.bin
if [[ "$ADD_QEMU_HDA" == "yes" ]]; then
AUTO_QEMU_HDA="-hda fat:$BUILD_ROOT_ARCH"
else