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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:17:27 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:17:27 +0000
commitf215e02bf85f68d3a6106c2a1f4f7f063f819064 (patch)
tree6bb5b92c046312c4e95ac2620b10ddf482d3fa8b /src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe
parentInitial commit. (diff)
downloadvirtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.tar.xz
virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.zip
Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe')
-rw-r--r--src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/ComponentName.c206
-rw-r--r--src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/Driver.c1006
-rw-r--r--src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/Gop.c417
-rw-r--r--src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/Initialize.c342
-rw-r--r--src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/Qemu.h506
-rw-r--r--src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/QemuVideoDxe.inf66
-rw-r--r--src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/VbeShim.asm281
-rw-r--r--src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/VbeShim.c316
-rw-r--r--src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/VbeShim.h701
-rwxr-xr-xsrc/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/VbeShim.sh79
10 files changed, 3920 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/ComponentName.c b/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/ComponentName.c
new file mode 100644
index 00000000..a0f20671
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/ComponentName.c
@@ -0,0 +1,206 @@
+/** @file
+ Component name for the QEMU video controller.
+
+ Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#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)
+ );
+}
diff --git a/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/Driver.c b/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/Driver.c
new file mode 100644
index 00000000..ffae1361
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/Driver.c
@@ -0,0 +1,1006 @@
+/** @file
+ This driver is a sample implementation of the Graphics Output Protocol for
+ the QEMU (Cirrus Logic 5446) video controller.
+
+ Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "Qemu.h"
+#include <IndustryStandard/Acpi.h>
+
+EFI_DRIVER_BINDING_PROTOCOL gQemuVideoDriverBinding = {
+ QemuVideoControllerDriverSupported,
+ QemuVideoControllerDriverStart,
+ QemuVideoControllerDriverStop,
+ 0x10,
+ NULL,
+ NULL
+};
+
+QEMU_VIDEO_CARD gQemuVideoCardList[] = {
+ {
+ PCI_CLASS_DISPLAY_VGA,
+ CIRRUS_LOGIC_VENDOR_ID,
+ CIRRUS_LOGIC_5430_DEVICE_ID,
+ QEMU_VIDEO_CIRRUS_5430,
+ L"Cirrus 5430"
+ },{
+ PCI_CLASS_DISPLAY_VGA,
+ CIRRUS_LOGIC_VENDOR_ID,
+ CIRRUS_LOGIC_5430_ALTERNATE_DEVICE_ID,
+ QEMU_VIDEO_CIRRUS_5430,
+ L"Cirrus 5430"
+ },{
+ PCI_CLASS_DISPLAY_VGA,
+ CIRRUS_LOGIC_VENDOR_ID,
+ CIRRUS_LOGIC_5446_DEVICE_ID,
+ QEMU_VIDEO_CIRRUS_5446,
+ L"Cirrus 5446"
+ },{
+ PCI_CLASS_DISPLAY_VGA,
+ 0x1234,
+ 0x1111,
+ QEMU_VIDEO_BOCHS_MMIO,
+ L"QEMU Standard VGA"
+ },{
+ PCI_CLASS_DISPLAY_OTHER,
+ 0x1234,
+ 0x1111,
+ QEMU_VIDEO_BOCHS_MMIO,
+ L"QEMU Standard VGA (secondary)"
+ },{
+ PCI_CLASS_DISPLAY_VGA,
+ 0x1b36,
+ 0x0100,
+ QEMU_VIDEO_BOCHS,
+ L"QEMU QXL VGA"
+ },{
+ PCI_CLASS_DISPLAY_VGA,
+ 0x1af4,
+ 0x1050,
+ QEMU_VIDEO_BOCHS_MMIO,
+ L"QEMU VirtIO VGA"
+ },{
+ PCI_CLASS_DISPLAY_VGA,
+ 0x15ad,
+ 0x0405,
+ QEMU_VIDEO_VMWARE_SVGA,
+ L"QEMU VMWare SVGA"
+ },{
+ 0 /* end of list */
+ }
+};
+
+static QEMU_VIDEO_CARD*
+QemuVideoDetect(
+ IN UINT8 SubClass,
+ IN UINT16 VendorId,
+ IN UINT16 DeviceId
+ )
+{
+ UINTN Index = 0;
+
+ while (gQemuVideoCardList[Index].VendorId != 0) {
+ if (gQemuVideoCardList[Index].SubClass == SubClass &&
+ gQemuVideoCardList[Index].VendorId == VendorId &&
+ gQemuVideoCardList[Index].DeviceId == DeviceId) {
+ return gQemuVideoCardList + Index;
+ }
+ Index++;
+ }
+ return 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;
+ QEMU_VIDEO_CARD *Card;
+
+ //
+ // 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;
+ if (!IS_PCI_DISPLAY (&Pci)) {
+ goto Done;
+ }
+ Card = QemuVideoDetect(Pci.Hdr.ClassCode[1], Pci.Hdr.VendorId, Pci.Hdr.DeviceId);
+ if (Card != NULL) {
+ DEBUG ((DEBUG_INFO, "QemuVideo: %s detected\n", Card->Name));
+ Status = EFI_SUCCESS;
+ }
+
+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_TPL OldTpl;
+ EFI_STATUS Status;
+ QEMU_VIDEO_PRIVATE_DATA *Private;
+ BOOLEAN IsQxl;
+ EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;
+ ACPI_ADR_DEVICE_PATH AcpiDeviceNode;
+ PCI_TYPE00 Pci;
+ QEMU_VIDEO_CARD *Card;
+ EFI_PCI_IO_PROTOCOL *ChildPciIo;
+ UINT64 SupportedVgaIo;
+
+ OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
+
+ //
+ // Allocate Private context data for GOP interface.
+ //
+ Private = AllocateZeroPool (sizeof (QEMU_VIDEO_PRIVATE_DATA));
+ if (Private == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto RestoreTpl;
+ }
+
+ //
+ // Set up context record
+ //
+ Private->Signature = QEMU_VIDEO_PRIVATE_DATA_SIGNATURE;
+
+ //
+ // 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 FreePrivate;
+ }
+
+ //
+ // Read the PCI Configuration Header from the PCI Device
+ //
+ Status = Private->PciIo->Pci.Read (
+ Private->PciIo,
+ EfiPciIoWidthUint32,
+ 0,
+ sizeof (Pci) / sizeof (UINT32),
+ &Pci
+ );
+ if (EFI_ERROR (Status)) {
+ goto ClosePciIo;
+ }
+
+ //
+ // Determine card variant.
+ //
+ Card = QemuVideoDetect(Pci.Hdr.ClassCode[1], Pci.Hdr.VendorId, Pci.Hdr.DeviceId);
+ if (Card == NULL) {
+ Status = EFI_DEVICE_ERROR;
+ goto ClosePciIo;
+ }
+ Private->Variant = Card->Variant;
+
+ //
+ // IsQxl is based on the detected Card->Variant, which at a later point might
+ // not match Private->Variant.
+ //
+ IsQxl = (BOOLEAN)(Card->Variant == QEMU_VIDEO_BOCHS);
+
+ //
+ // Save original PCI attributes
+ //
+ Status = Private->PciIo->Attributes (
+ Private->PciIo,
+ EfiPciIoAttributeOperationGet,
+ 0,
+ &Private->OriginalPciAttributes
+ );
+
+ if (EFI_ERROR (Status)) {
+ goto ClosePciIo;
+ }
+
+ //
+ // Get supported PCI attributes
+ //
+ Status = Private->PciIo->Attributes (
+ Private->PciIo,
+ EfiPciIoAttributeOperationSupported,
+ 0,
+ &SupportedVgaIo
+ );
+ if (EFI_ERROR (Status)) {
+ goto ClosePciIo;
+ }
+
+ SupportedVgaIo &= (UINT64)(EFI_PCI_IO_ATTRIBUTE_VGA_IO | EFI_PCI_IO_ATTRIBUTE_VGA_IO_16);
+ if (SupportedVgaIo == 0 && IS_PCI_VGA (&Pci)) {
+ Status = EFI_UNSUPPORTED;
+ goto ClosePciIo;
+ }
+
+ //
+ // Set new PCI attributes
+ //
+ Status = Private->PciIo->Attributes (
+ Private->PciIo,
+ EfiPciIoAttributeOperationEnable,
+ EFI_PCI_DEVICE_ENABLE | EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY | SupportedVgaIo,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ goto ClosePciIo;
+ }
+
+ //
+ // Check whenever the qemu stdvga mmio bar is present (qemu 1.3+).
+ //
+ if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO) {
+ EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *MmioDesc;
+
+ Status = Private->PciIo->GetBarAttributes (
+ Private->PciIo,
+ PCI_BAR_IDX2,
+ NULL,
+ (VOID**) &MmioDesc
+ );
+ if (EFI_ERROR (Status) ||
+ MmioDesc->ResType != ACPI_ADDRESS_SPACE_TYPE_MEM) {
+ DEBUG ((DEBUG_INFO, "QemuVideo: No mmio bar, fallback to port io\n"));
+ Private->Variant = QEMU_VIDEO_BOCHS;
+ } else {
+ DEBUG ((DEBUG_INFO, "QemuVideo: Using mmio bar @ 0x%lx\n",
+ MmioDesc->AddrRangeMin));
+ }
+
+ if (!EFI_ERROR (Status)) {
+ FreePool (MmioDesc);
+ }
+ }
+
+ //
+ // VMWare SVGA is handled like Bochs (with port IO only).
+ //
+ if (Private->Variant == QEMU_VIDEO_VMWARE_SVGA) {
+ Private->Variant = QEMU_VIDEO_BOCHS;
+ Private->FrameBufferVramBarIndex = PCI_BAR_IDX1;
+ }
+
+ //
+ // Check if accessing the bochs interface works.
+ //
+ if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO ||
+ Private->Variant == QEMU_VIDEO_BOCHS) {
+ UINT16 BochsId;
+ BochsId = BochsRead(Private, VBE_DISPI_INDEX_ID);
+ if ((BochsId & 0xFFF0) != VBE_DISPI_ID0) {
+ DEBUG ((DEBUG_INFO, "QemuVideo: BochsID mismatch (got 0x%x)\n", BochsId));
+ Status = EFI_DEVICE_ERROR;
+ goto RestoreAttributes;
+ }
+ }
+
+ //
+ // Get ParentDevicePath
+ //
+ Status = gBS->HandleProtocol (
+ Controller,
+ &gEfiDevicePathProtocolGuid,
+ (VOID **) &ParentDevicePath
+ );
+ if (EFI_ERROR (Status)) {
+ goto RestoreAttributes;
+ }
+
+ //
+ // Set Gop Device Path
+ //
+ 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
+ );
+ if (Private->GopDevicePath == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto RestoreAttributes;
+ }
+
+ //
+ // Create new child handle and install the device path protocol on it.
+ //
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &Private->Handle,
+ &gEfiDevicePathProtocolGuid,
+ Private->GopDevicePath,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ goto FreeGopDevicePath;
+ }
+
+ //
+ // Construct video mode buffer
+ //
+ switch (Private->Variant) {
+ case QEMU_VIDEO_CIRRUS_5430:
+ case QEMU_VIDEO_CIRRUS_5446:
+ Status = QemuVideoCirrusModeSetup (Private);
+ break;
+ case QEMU_VIDEO_BOCHS_MMIO:
+ case QEMU_VIDEO_BOCHS:
+ Status = QemuVideoBochsModeSetup (Private, IsQxl);
+ break;
+ default:
+ ASSERT (FALSE);
+ Status = EFI_DEVICE_ERROR;
+ break;
+ }
+ if (EFI_ERROR (Status)) {
+ goto UninstallGopDevicePath;
+ }
+
+ //
+ // Start the GOP software stack.
+ //
+ Status = QemuVideoGraphicsOutputConstructor (Private);
+ if (EFI_ERROR (Status)) {
+ goto FreeModeData;
+ }
+
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &Private->Handle,
+ &gEfiGraphicsOutputProtocolGuid,
+ &Private->GraphicsOutput,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ goto DestructQemuVideoGraphics;
+ }
+
+ //
+ // Reference parent handle from child handle.
+ //
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ (VOID **) &ChildPciIo,
+ This->DriverBindingHandle,
+ Private->Handle,
+ EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
+ );
+ if (EFI_ERROR (Status)) {
+ goto UninstallGop;
+ }
+
+#if defined MDE_CPU_IA32 || defined MDE_CPU_X64
+ if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO ||
+ Private->Variant == QEMU_VIDEO_BOCHS) {
+ InstallVbeShim (Card->Name, Private->GraphicsOutput.Mode->FrameBufferBase);
+ }
+#endif
+
+ gBS->RestoreTPL (OldTpl);
+ return EFI_SUCCESS;
+
+UninstallGop:
+ gBS->UninstallProtocolInterface (Private->Handle,
+ &gEfiGraphicsOutputProtocolGuid, &Private->GraphicsOutput);
+
+DestructQemuVideoGraphics:
+ QemuVideoGraphicsOutputDestructor (Private);
+
+FreeModeData:
+ FreePool (Private->ModeData);
+
+UninstallGopDevicePath:
+ gBS->UninstallProtocolInterface (Private->Handle,
+ &gEfiDevicePathProtocolGuid, Private->GopDevicePath);
+
+FreeGopDevicePath:
+ FreePool (Private->GopDevicePath);
+
+RestoreAttributes:
+ Private->PciIo->Attributes (Private->PciIo, EfiPciIoAttributeOperationSet,
+ Private->OriginalPciAttributes, NULL);
+
+ClosePciIo:
+ gBS->CloseProtocol (Controller, &gEfiPciIoProtocolGuid,
+ This->DriverBindingHandle, Controller);
+
+FreePrivate:
+ FreePool (Private);
+
+RestoreTpl:
+ gBS->RestoreTPL (OldTpl);
+
+ 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;
+
+ if (NumberOfChildren == 0) {
+ //
+ // Close the PCI I/O Protocol
+ //
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+ return EFI_SUCCESS;
+ }
+
+ //
+ // free all resources for whose access we need the child handle, because the
+ // child handle is going away
+ //
+ ASSERT (NumberOfChildren == 1);
+ Status = gBS->OpenProtocol (
+ ChildHandleBuffer[0],
+ &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);
+ ASSERT (Private->Handle == ChildHandleBuffer[0]);
+
+ 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
+ );
+
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ This->DriverBindingHandle,
+ Private->Handle
+ );
+
+ FreePool (Private->ModeData);
+ gBS->UninstallProtocolInterface (Private->Handle,
+ &gEfiDevicePathProtocolGuid, Private->GopDevicePath);
+ FreePool (Private->GopDevicePath);
+
+ //
+ // 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
+ )
+{
+ VgaOutb (Private, PALETTE_INDEX_REGISTER, (UINT8) Index);
+ VgaOutb (Private, PALETTE_DATA_REGISTER, (UINT8) (Red >> 2));
+ VgaOutb (Private, PALETTE_DATA_REGISTER, (UINT8) (Green >> 2));
+ VgaOutb (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,
+ Private->FrameBufferVramBarIndex,
+ 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
+InitializeCirrusGraphicsMode (
+ QEMU_VIDEO_PRIVATE_DATA *Private,
+ QEMU_VIDEO_CIRRUS_MODES *ModeData
+ )
+{
+ UINT8 Byte;
+ UINTN Index;
+
+ 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 (Private->Variant == QEMU_VIDEO_CIRRUS_5430) {
+ 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);
+}
+
+VOID
+BochsWrite (
+ QEMU_VIDEO_PRIVATE_DATA *Private,
+ UINT16 Reg,
+ UINT16 Data
+ )
+{
+ EFI_STATUS Status;
+
+ if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO) {
+ Status = Private->PciIo->Mem.Write (
+ Private->PciIo,
+ EfiPciIoWidthUint16,
+ PCI_BAR_IDX2,
+ 0x500 + (Reg << 1),
+ 1,
+ &Data
+ );
+ ASSERT_EFI_ERROR (Status);
+ } else {
+ outw (Private, VBE_DISPI_IOPORT_INDEX, Reg);
+ outw (Private, VBE_DISPI_IOPORT_DATA, Data);
+ }
+}
+
+UINT16
+BochsRead (
+ QEMU_VIDEO_PRIVATE_DATA *Private,
+ UINT16 Reg
+ )
+{
+ EFI_STATUS Status;
+ UINT16 Data;
+
+ if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO) {
+ Status = Private->PciIo->Mem.Read (
+ Private->PciIo,
+ EfiPciIoWidthUint16,
+ PCI_BAR_IDX2,
+ 0x500 + (Reg << 1),
+ 1,
+ &Data
+ );
+ ASSERT_EFI_ERROR (Status);
+ } else {
+ outw (Private, VBE_DISPI_IOPORT_INDEX, Reg);
+ Data = inw (Private, VBE_DISPI_IOPORT_DATA);
+ }
+ return Data;
+}
+
+VOID
+VgaOutb (
+ QEMU_VIDEO_PRIVATE_DATA *Private,
+ UINTN Reg,
+ UINT8 Data
+ )
+{
+ EFI_STATUS Status;
+
+ if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO) {
+ Status = Private->PciIo->Mem.Write (
+ Private->PciIo,
+ EfiPciIoWidthUint8,
+ PCI_BAR_IDX2,
+ 0x400 - 0x3c0 + Reg,
+ 1,
+ &Data
+ );
+ ASSERT_EFI_ERROR (Status);
+ } else {
+ outb (Private, Reg, Data);
+ }
+}
+
+VOID
+InitializeBochsGraphicsMode (
+ QEMU_VIDEO_PRIVATE_DATA *Private,
+ QEMU_VIDEO_BOCHS_MODES *ModeData
+ )
+{
+ DEBUG ((DEBUG_INFO, "InitializeBochsGraphicsMode: %dx%d @ %d\n",
+ ModeData->Width, ModeData->Height, ModeData->ColorDepth));
+
+ /* unblank */
+ VgaOutb (Private, ATT_ADDRESS_REGISTER, 0x20);
+
+ BochsWrite (Private, VBE_DISPI_INDEX_ENABLE, 0);
+ BochsWrite (Private, VBE_DISPI_INDEX_BANK, 0);
+ BochsWrite (Private, VBE_DISPI_INDEX_X_OFFSET, 0);
+ BochsWrite (Private, VBE_DISPI_INDEX_Y_OFFSET, 0);
+
+ BochsWrite (Private, VBE_DISPI_INDEX_BPP, (UINT16) ModeData->ColorDepth);
+ BochsWrite (Private, VBE_DISPI_INDEX_XRES, (UINT16) ModeData->Width);
+ BochsWrite (Private, VBE_DISPI_INDEX_VIRT_WIDTH, (UINT16) ModeData->Width);
+ BochsWrite (Private, VBE_DISPI_INDEX_YRES, (UINT16) ModeData->Height);
+ BochsWrite (Private, VBE_DISPI_INDEX_VIRT_HEIGHT, (UINT16) ModeData->Height);
+
+ BochsWrite (Private, VBE_DISPI_INDEX_ENABLE,
+ VBE_DISPI_ENABLED | VBE_DISPI_LFB_ENABLED);
+
+ 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);
+
+ return Status;
+}
diff --git a/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/Gop.c b/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/Gop.c
new file mode 100644
index 00000000..e1cf1651
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/Gop.c
@@ -0,0 +1,417 @@
+/** @file
+ Graphics Output Protocol functions for the QEMU video controller.
+
+ Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "Qemu.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 ((DEBUG_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,
+ Private->FrameBufferVramBarIndex,
+ NULL,
+ (VOID**) &FrameBufDesc
+ );
+
+ Mode->FrameBufferBase = FrameBufDesc->AddrRangeMin;
+ Mode->FrameBufferSize = Info->HorizontalResolution * Info->VerticalResolution;
+ Mode->FrameBufferSize = Mode->FrameBufferSize * ((ModeData->ColorDepth + 7) / 8);
+ Mode->FrameBufferSize = EFI_PAGES_TO_SIZE (
+ EFI_SIZE_TO_PAGES (Mode->FrameBufferSize)
+ );
+ DEBUG ((DEBUG_INFO, "FrameBufferBase: 0x%Lx, FrameBufferSize: 0x%Lx\n",
+ Mode->FrameBufferBase, (UINT64)Mode->FrameBufferSize));
+
+ FreePool (FrameBufDesc);
+ 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 (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;
+ RETURN_STATUS Status;
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL Black;
+
+ Private = QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (This);
+
+ if (ModeNumber >= This->Mode->MaxMode) {
+ return EFI_UNSUPPORTED;
+ }
+
+ ModeData = &Private->ModeData[ModeNumber];
+
+ switch (Private->Variant) {
+ case QEMU_VIDEO_CIRRUS_5430:
+ case QEMU_VIDEO_CIRRUS_5446:
+ InitializeCirrusGraphicsMode (Private, &QemuVideoCirrusModes[ModeData->InternalModeIndex]);
+ break;
+ case QEMU_VIDEO_BOCHS_MMIO:
+ case QEMU_VIDEO_BOCHS:
+ InitializeBochsGraphicsMode (Private, &QemuVideoBochsModes[ModeData->InternalModeIndex]);
+ break;
+ default:
+ ASSERT (FALSE);
+ return EFI_DEVICE_ERROR;
+ }
+
+ 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);
+
+ //
+ // Re-initialize the frame buffer configure when mode changes.
+ //
+ Status = FrameBufferBltConfigure (
+ (VOID*) (UINTN) This->Mode->FrameBufferBase,
+ This->Mode->Info,
+ Private->FrameBufferBltConfigure,
+ &Private->FrameBufferBltConfigureSize
+ );
+ if (Status == RETURN_BUFFER_TOO_SMALL) {
+ //
+ // Frame buffer configure may be larger in new mode.
+ //
+ if (Private->FrameBufferBltConfigure != NULL) {
+ FreePool (Private->FrameBufferBltConfigure);
+ }
+ Private->FrameBufferBltConfigure =
+ AllocatePool (Private->FrameBufferBltConfigureSize);
+ ASSERT (Private->FrameBufferBltConfigure != NULL);
+
+ //
+ // Create the configuration for FrameBufferBltLib
+ //
+ Status = FrameBufferBltConfigure (
+ (VOID*) (UINTN) This->Mode->FrameBufferBase,
+ This->Mode->Info,
+ Private->FrameBufferBltConfigure,
+ &Private->FrameBufferBltConfigureSize
+ );
+ }
+ ASSERT (Status == RETURN_SUCCESS);
+
+ //
+ // Per UEFI Spec, need to clear the visible portions of the output display to black.
+ //
+ ZeroMem (&Black, sizeof (Black));
+ Status = FrameBufferBlt (
+ Private->FrameBufferBltConfigure,
+ &Black,
+ EfiBltVideoFill,
+ 0, 0,
+ 0, 0,
+ This->Mode->Info->HorizontalResolution, This->Mode->Info->VerticalResolution,
+ 0
+ );
+ ASSERT_RETURN_ERROR (Status);
+
+ 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;
+ QEMU_VIDEO_PRIVATE_DATA *Private;
+
+ Private = QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (This);
+ //
+ // 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 = FrameBufferBlt (
+ Private->FrameBufferBltConfigure,
+ BltBuffer,
+ BltOperation,
+ SourceX,
+ SourceY,
+ DestinationX,
+ DestinationY,
+ Width,
+ Height,
+ Delta
+ );
+ break;
+
+ default:
+ Status = EFI_INVALID_PARAMETER;
+ break;
+ }
+
+ 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)) {
+ goto FreeMode;
+ }
+ Private->GraphicsOutput.Mode->MaxMode = (UINT32) Private->MaxMode;
+ Private->GraphicsOutput.Mode->Mode = GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER;
+ Private->FrameBufferBltConfigure = NULL;
+ Private->FrameBufferBltConfigureSize = 0;
+
+ //
+ // Initialize the hardware
+ //
+ Status = GraphicsOutput->SetMode (GraphicsOutput, 0);
+ if (EFI_ERROR (Status)) {
+ goto FreeInfo;
+ }
+
+ DrawLogo (
+ Private,
+ Private->ModeData[Private->GraphicsOutput.Mode->Mode].HorizontalResolution,
+ Private->ModeData[Private->GraphicsOutput.Mode->Mode].VerticalResolution
+ );
+
+ return EFI_SUCCESS;
+
+FreeInfo:
+ FreePool (Private->GraphicsOutput.Mode->Info);
+
+FreeMode:
+ FreePool (Private->GraphicsOutput.Mode);
+ Private->GraphicsOutput.Mode = NULL;
+
+ return Status;
+}
+
+EFI_STATUS
+QemuVideoGraphicsOutputDestructor (
+ QEMU_VIDEO_PRIVATE_DATA *Private
+ )
+/*++
+
+Routine Description:
+
+Arguments:
+
+Returns:
+
+ None
+
+--*/
+{
+ if (Private->FrameBufferBltConfigure != NULL) {
+ FreePool (Private->FrameBufferBltConfigure);
+ }
+
+ 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;
+}
+
+
diff --git a/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/Initialize.c b/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/Initialize.c
new file mode 100644
index 00000000..b35a0fee
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/Initialize.c
@@ -0,0 +1,342 @@
+/** @file
+ Graphics Output Protocol functions for the QEMU video controller.
+
+ Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#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_CIRRUS_MODES QemuVideoCirrusModes[] = {
+// { 640, 480, 8, Crtc_640_480_256_60, Seq_640_480_256_60, 0xe3 },
+// { 800, 600, 8, Crtc_800_600_256_60, Seq_800_600_256_60, 0xef },
+ { 640, 480, 32, Crtc_640_480_32bpp_60, Seq_640_480_32bpp_60, 0xef },
+ { 800, 600, 32, Crtc_800_600_32bpp_60, Seq_800_600_32bpp_60, 0xef },
+// { 1024, 768, 8, Crtc_1024_768_256_60, Seq_1024_768_256_60, 0xef }
+ { 1024, 768, 24, Crtc_1024_768_24bpp_60, Seq_1024_768_24bpp_60, 0xef }
+// { 1024, 768, 32, Crtc_1024_768_32bpp_60, Seq_1024_768_32bpp_60, 0xef }
+// { 960, 720, 32, Crtc_960_720_32bpp_60, Seq_1024_768_32bpp_60, 0xef }
+};
+
+#define QEMU_VIDEO_CIRRUS_MODE_COUNT \
+ (ARRAY_SIZE (QemuVideoCirrusModes))
+
+/**
+ Construct the valid video modes for QemuVideo.
+
+**/
+EFI_STATUS
+QemuVideoCirrusModeSetup (
+ QEMU_VIDEO_PRIVATE_DATA *Private
+ )
+{
+ UINT32 Index;
+ QEMU_VIDEO_MODE_DATA *ModeData;
+ QEMU_VIDEO_CIRRUS_MODES *VideoMode;
+
+ //
+ // Setup Video Modes
+ //
+ Private->ModeData = AllocatePool (
+ sizeof (Private->ModeData[0]) * QEMU_VIDEO_CIRRUS_MODE_COUNT
+ );
+ if (Private->ModeData == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ ModeData = Private->ModeData;
+ VideoMode = &QemuVideoCirrusModes[0];
+ for (Index = 0; Index < QEMU_VIDEO_CIRRUS_MODE_COUNT; Index ++) {
+ ModeData->InternalModeIndex = Index;
+ ModeData->HorizontalResolution = VideoMode->Width;
+ ModeData->VerticalResolution = VideoMode->Height;
+ ModeData->ColorDepth = VideoMode->ColorDepth;
+ DEBUG ((DEBUG_INFO,
+ "Adding Mode %d as Cirrus Internal Mode %d: %dx%d, %d-bit\n",
+ (INT32) (ModeData - Private->ModeData),
+ ModeData->InternalModeIndex,
+ ModeData->HorizontalResolution,
+ ModeData->VerticalResolution,
+ ModeData->ColorDepth
+ ));
+
+ ModeData ++ ;
+ VideoMode ++;
+ }
+ Private->MaxMode = ModeData - Private->ModeData;
+
+ return EFI_SUCCESS;
+}
+
+///
+/// Table of supported video modes
+///
+QEMU_VIDEO_BOCHS_MODES QemuVideoBochsModes[] = {
+ { 640, 480, 32 },
+ { 800, 480, 32 },
+ { 800, 600, 32 },
+ { 832, 624, 32 },
+ { 960, 640, 32 },
+ { 1024, 600, 32 },
+ { 1024, 768, 32 },
+ { 1152, 864, 32 },
+ { 1152, 870, 32 },
+ { 1280, 720, 32 },
+ { 1280, 760, 32 },
+ { 1280, 768, 32 },
+ { 1280, 800, 32 },
+ { 1280, 960, 32 },
+ { 1280, 1024, 32 },
+ { 1360, 768, 32 },
+ { 1366, 768, 32 },
+ { 1400, 1050, 32 },
+ { 1440, 900, 32 },
+ { 1600, 900, 32 },
+ { 1600, 1200, 32 },
+ { 1680, 1050, 32 },
+ { 1920, 1080, 32 },
+ { 1920, 1200, 32 },
+ { 1920, 1440, 32 },
+ { 2000, 2000, 32 },
+ { 2048, 1536, 32 },
+ { 2048, 2048, 32 },
+ { 2560, 1440, 32 },
+ { 2560, 1600, 32 },
+ { 2560, 2048, 32 },
+ { 2800, 2100, 32 },
+ { 3200, 2400, 32 },
+ { 3840, 2160, 32 },
+ { 4096, 2160, 32 },
+ { 7680, 4320, 32 },
+ { 8192, 4320, 32 }
+};
+
+#define QEMU_VIDEO_BOCHS_MODE_COUNT \
+ (ARRAY_SIZE (QemuVideoBochsModes))
+
+EFI_STATUS
+QemuVideoBochsModeSetup (
+ QEMU_VIDEO_PRIVATE_DATA *Private,
+ BOOLEAN IsQxl
+ )
+{
+ UINT32 AvailableFbSize;
+ UINT32 Index;
+ QEMU_VIDEO_MODE_DATA *ModeData;
+ QEMU_VIDEO_BOCHS_MODES *VideoMode;
+
+ //
+ // Fetch the available framebuffer size.
+ //
+ // VBE_DISPI_INDEX_VIDEO_MEMORY_64K is expected to return the size of the
+ // drawable framebuffer. Up to and including qemu-2.1 however it used to
+ // return the size of PCI BAR 0 (ie. the full video RAM size).
+ //
+ // On stdvga the two concepts coincide with each other; the full memory size
+ // is usable for drawing.
+ //
+ // On QXL however, only a leading segment, "surface 0", can be used for
+ // drawing; the rest of the video memory is used for the QXL guest-host
+ // protocol. VBE_DISPI_INDEX_VIDEO_MEMORY_64K should report the size of
+ // "surface 0", but since it doesn't (up to and including qemu-2.1), we
+ // retrieve the size of the drawable portion from a field in the QXL ROM BAR,
+ // where it is also available.
+ //
+ if (IsQxl) {
+ UINT32 Signature;
+ UINT32 DrawStart;
+
+ Signature = 0;
+ DrawStart = 0xFFFFFFFF;
+ AvailableFbSize = 0;
+ if (EFI_ERROR (
+ Private->PciIo->Mem.Read (Private->PciIo, EfiPciIoWidthUint32,
+ PCI_BAR_IDX2, 0, 1, &Signature)) ||
+ Signature != SIGNATURE_32 ('Q', 'X', 'R', 'O') ||
+ EFI_ERROR (
+ Private->PciIo->Mem.Read (Private->PciIo, EfiPciIoWidthUint32,
+ PCI_BAR_IDX2, 36, 1, &DrawStart)) ||
+ DrawStart != 0 ||
+ EFI_ERROR (
+ Private->PciIo->Mem.Read (Private->PciIo, EfiPciIoWidthUint32,
+ PCI_BAR_IDX2, 40, 1, &AvailableFbSize))) {
+ DEBUG ((DEBUG_ERROR, "%a: can't read size of drawable buffer from QXL "
+ "ROM\n", __FUNCTION__));
+ return EFI_NOT_FOUND;
+ }
+ } else {
+ AvailableFbSize = BochsRead (Private, VBE_DISPI_INDEX_VIDEO_MEMORY_64K);
+ AvailableFbSize *= SIZE_64KB;
+ }
+ DEBUG ((DEBUG_INFO, "%a: AvailableFbSize=0x%x\n", __FUNCTION__,
+ AvailableFbSize));
+
+ //
+ // Setup Video Modes
+ //
+ Private->ModeData = AllocatePool (
+ sizeof (Private->ModeData[0]) * QEMU_VIDEO_BOCHS_MODE_COUNT
+ );
+ if (Private->ModeData == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ ModeData = Private->ModeData;
+ VideoMode = &QemuVideoBochsModes[0];
+ for (Index = 0; Index < QEMU_VIDEO_BOCHS_MODE_COUNT; Index ++) {
+ UINTN RequiredFbSize;
+
+ ASSERT (VideoMode->ColorDepth % 8 == 0);
+ RequiredFbSize = (UINTN) VideoMode->Width * VideoMode->Height *
+ (VideoMode->ColorDepth / 8);
+ if (RequiredFbSize <= AvailableFbSize) {
+ ModeData->InternalModeIndex = Index;
+ ModeData->HorizontalResolution = VideoMode->Width;
+ ModeData->VerticalResolution = VideoMode->Height;
+ ModeData->ColorDepth = VideoMode->ColorDepth;
+ DEBUG ((DEBUG_INFO,
+ "Adding Mode %d as Bochs Internal Mode %d: %dx%d, %d-bit\n",
+ (INT32) (ModeData - Private->ModeData),
+ ModeData->InternalModeIndex,
+ ModeData->HorizontalResolution,
+ ModeData->VerticalResolution,
+ ModeData->ColorDepth
+ ));
+
+ ModeData ++ ;
+ }
+ VideoMode ++;
+ }
+ Private->MaxMode = ModeData - Private->ModeData;
+
+ return EFI_SUCCESS;
+}
+
diff --git a/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/Qemu.h b/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/Qemu.h
new file mode 100644
index 00000000..6a029dc8
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/Qemu.h
@@ -0,0 +1,506 @@
+/** @file
+ QEMU Video Controller Driver
+
+ Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+//
+// 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 <Library/FrameBufferBltLib.h>
+
+#include <IndustryStandard/Pci.h>
+#include <IndustryStandard/Acpi.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 InternalModeIndex; // points into card-specific mode table
+ UINT32 HorizontalResolution;
+ UINT32 VerticalResolution;
+ UINT32 ColorDepth;
+} 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 enum {
+ QEMU_VIDEO_CIRRUS_5430 = 1,
+ QEMU_VIDEO_CIRRUS_5446,
+ QEMU_VIDEO_BOCHS,
+ QEMU_VIDEO_BOCHS_MMIO,
+ QEMU_VIDEO_VMWARE_SVGA,
+} QEMU_VIDEO_VARIANT;
+
+typedef struct {
+ UINT8 SubClass;
+ UINT16 VendorId;
+ UINT16 DeviceId;
+ QEMU_VIDEO_VARIANT Variant;
+ CHAR16 *Name;
+} QEMU_VIDEO_CARD;
+
+typedef struct {
+ UINT64 Signature;
+ EFI_HANDLE Handle;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ UINT64 OriginalPciAttributes;
+ EFI_GRAPHICS_OUTPUT_PROTOCOL GraphicsOutput;
+ EFI_DEVICE_PATH_PROTOCOL *GopDevicePath;
+
+ //
+ // The next two fields match the client-visible
+ // EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.MaxMode field.
+ //
+ UINTN MaxMode;
+ QEMU_VIDEO_MODE_DATA *ModeData;
+
+ QEMU_VIDEO_VARIANT Variant;
+ FRAME_BUFFER_CONFIGURE *FrameBufferBltConfigure;
+ UINTN FrameBufferBltConfigureSize;
+ UINT8 FrameBufferVramBarIndex;
+} QEMU_VIDEO_PRIVATE_DATA;
+
+///
+/// Card-specific Video Mode structures
+///
+typedef struct {
+ UINT32 Width;
+ UINT32 Height;
+ UINT32 ColorDepth;
+ UINT8 *CrtcSettings;
+ UINT16 *SeqSettings;
+ UINT8 MiscSetting;
+} QEMU_VIDEO_CIRRUS_MODES;
+
+typedef struct {
+ UINT32 Width;
+ UINT32 Height;
+ UINT32 ColorDepth;
+} QEMU_VIDEO_BOCHS_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_CIRRUS_MODES QemuVideoCirrusModes[];
+extern QEMU_VIDEO_BOCHS_MODES QemuVideoBochsModes[];
+extern EFI_DRIVER_BINDING_PROTOCOL gQemuVideoDriverBinding;
+extern EFI_COMPONENT_NAME_PROTOCOL gQemuVideoComponentName;
+extern EFI_COMPONENT_NAME2_PROTOCOL gQemuVideoComponentName2;
+
+//
+// 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
+
+#define VBE_DISPI_IOPORT_INDEX 0x01CE
+#define VBE_DISPI_IOPORT_DATA 0x01D0
+
+#define VBE_DISPI_INDEX_ID 0x0
+#define VBE_DISPI_INDEX_XRES 0x1
+#define VBE_DISPI_INDEX_YRES 0x2
+#define VBE_DISPI_INDEX_BPP 0x3
+#define VBE_DISPI_INDEX_ENABLE 0x4
+#define VBE_DISPI_INDEX_BANK 0x5
+#define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
+#define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
+#define VBE_DISPI_INDEX_X_OFFSET 0x8
+#define VBE_DISPI_INDEX_Y_OFFSET 0x9
+#define VBE_DISPI_INDEX_VIDEO_MEMORY_64K 0xa
+
+#define VBE_DISPI_ID0 0xB0C0
+#define VBE_DISPI_ID1 0xB0C1
+#define VBE_DISPI_ID2 0xB0C2
+#define VBE_DISPI_ID3 0xB0C3
+#define VBE_DISPI_ID4 0xB0C4
+#define VBE_DISPI_ID5 0xB0C5
+
+#define VBE_DISPI_DISABLED 0x00
+#define VBE_DISPI_ENABLED 0x01
+#define VBE_DISPI_GETCAPS 0x02
+#define VBE_DISPI_8BIT_DAC 0x20
+#define VBE_DISPI_LFB_ENABLED 0x40
+#define VBE_DISPI_NOCLEARMEM 0x80
+
+//
+// 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
+InitializeCirrusGraphicsMode (
+ QEMU_VIDEO_PRIVATE_DATA *Private,
+ QEMU_VIDEO_CIRRUS_MODES *ModeData
+ );
+
+VOID
+InitializeBochsGraphicsMode (
+ QEMU_VIDEO_PRIVATE_DATA *Private,
+ QEMU_VIDEO_BOCHS_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
+ );
+
+VOID
+BochsWrite (
+ QEMU_VIDEO_PRIVATE_DATA *Private,
+ UINT16 Reg,
+ UINT16 Data
+ );
+
+UINT16
+BochsRead (
+ QEMU_VIDEO_PRIVATE_DATA *Private,
+ UINT16 Reg
+ );
+
+VOID
+VgaOutb (
+ QEMU_VIDEO_PRIVATE_DATA *Private,
+ UINTN Reg,
+ UINT8 Data
+ );
+
+EFI_STATUS
+QemuVideoCirrusModeSetup (
+ QEMU_VIDEO_PRIVATE_DATA *Private
+ );
+
+EFI_STATUS
+QemuVideoBochsModeSetup (
+ QEMU_VIDEO_PRIVATE_DATA *Private,
+ BOOLEAN IsQxl
+ );
+
+VOID
+InstallVbeShim (
+ IN CONST CHAR16 *CardName,
+ IN EFI_PHYSICAL_ADDRESS FrameBufferBase
+ );
+#endif
diff --git a/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/QemuVideoDxe.inf b/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/QemuVideoDxe.inf
new file mode 100644
index 00000000..c642e3b7
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/QemuVideoDxe.inf
@@ -0,0 +1,66 @@
+## @file
+# This driver is a sample implementation of the Graphics Output Protocol for
+# the QEMU (Cirrus Logic 5446) video controller.
+#
+# Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[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
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 EBC
+#
+# DRIVER_BINDING = gQemuVideoDriverBinding
+# COMPONENT_NAME = gQemuVideoComponentName
+#
+
+[Sources.common]
+ ComponentName.c
+ Driver.c
+ Gop.c
+ Initialize.c
+ Qemu.h
+
+[Sources.Ia32, Sources.X64]
+ VbeShim.c
+ VbeShim.h
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+ OvmfPkg/OvmfPkg.dec
+
+[LibraryClasses]
+ BaseMemoryLib
+ FrameBufferBltLib
+ DebugLib
+ DevicePathLib
+ MemoryAllocationLib
+ PcdLib
+ PciLib
+ PrintLib
+ TimerLib
+ UefiBootServicesTableLib
+ UefiDriverEntryPoint
+ UefiLib
+
+[Protocols]
+ gEfiGraphicsOutputProtocolGuid # PROTOCOL BY_START
+ gEfiDevicePathProtocolGuid # PROTOCOL BY_START
+ gEfiPciIoProtocolGuid # PROTOCOL TO_START
+
+[Pcd]
+ gUefiOvmfPkgTokenSpaceGuid.PcdOvmfHostBridgePciDevId
+ gEfiMdeModulePkgTokenSpaceGuid.PcdNullPointerDetectionPropertyMask
diff --git a/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/VbeShim.asm b/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/VbeShim.asm
new file mode 100644
index 00000000..097ef306
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/VbeShim.asm
@@ -0,0 +1,281 @@
+;------------------------------------------------------------------------------
+; @file
+; A minimal Int10h stub that allows the Windows 2008 R2 SP1 UEFI guest's buggy,
+; default VGA driver to switch to 1024x768x32, on the stdvga and QXL video
+; cards of QEMU.
+;
+; Copyright (C) 2014, Red Hat, Inc.
+; Copyright (c) 2013 - 2014, Intel Corporation. All rights reserved.<BR>
+;
+; SPDX-License-Identifier: BSD-2-Clause-Patent
+;
+;------------------------------------------------------------------------------
+
+; enable this macro for debug messages
+;%define DEBUG
+
+%macro DebugLog 1
+%ifdef DEBUG
+ push si
+ mov si, %1
+ call PrintStringSi
+ pop si
+%endif
+%endmacro
+
+
+BITS 16
+ORG 0
+
+VbeInfo:
+TIMES 256 nop
+
+VbeModeInfo:
+TIMES 256 nop
+
+
+Handler:
+ cmp ax, 0x4f00
+ je GetInfo
+ cmp ax, 0x4f01
+ je GetModeInfo
+ cmp ax, 0x4f02
+ je SetMode
+ cmp ax, 0x4f03
+ je GetMode
+ cmp ax, 0x4f10
+ je GetPmCapabilities
+ cmp ax, 0x4f15
+ je ReadEdid
+ cmp ah, 0x00
+ je SetModeLegacy
+ DebugLog StrUnknownFunction
+Hang:
+ jmp Hang
+
+
+GetInfo:
+ push es
+ push di
+ push ds
+ push si
+ push cx
+
+ DebugLog StrEnterGetInfo
+
+ ; target (es:di) set on input
+ push cs
+ pop ds
+ mov si, VbeInfo
+ ; source (ds:si) set now
+
+ mov cx, 256
+ cld
+ rep movsb
+
+ pop cx
+ pop si
+ pop ds
+ pop di
+ pop es
+ jmp Success
+
+
+GetModeInfo:
+ push es
+ push di
+ push ds
+ push si
+ push cx
+
+ DebugLog StrEnterGetModeInfo
+
+ and cx, ~0x4000 ; clear potentially set LFB bit in mode number
+ cmp cx, 0x00f1
+ je KnownMode1
+ DebugLog StrUnknownMode
+ jmp Hang
+KnownMode1:
+ ; target (es:di) set on input
+ push cs
+ pop ds
+ mov si, VbeModeInfo
+ ; source (ds:si) set now
+
+ mov cx, 256
+ cld
+ rep movsb
+
+ pop cx
+ pop si
+ pop ds
+ pop di
+ pop es
+ jmp Success
+
+
+%define ATT_ADDRESS_REGISTER 0x03c0
+%define VBE_DISPI_IOPORT_INDEX 0x01ce
+%define VBE_DISPI_IOPORT_DATA 0x01d0
+
+%define VBE_DISPI_INDEX_XRES 0x1
+%define VBE_DISPI_INDEX_YRES 0x2
+%define VBE_DISPI_INDEX_BPP 0x3
+%define VBE_DISPI_INDEX_ENABLE 0x4
+%define VBE_DISPI_INDEX_BANK 0x5
+%define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
+%define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
+%define VBE_DISPI_INDEX_X_OFFSET 0x8
+%define VBE_DISPI_INDEX_Y_OFFSET 0x9
+
+%define VBE_DISPI_ENABLED 0x01
+%define VBE_DISPI_LFB_ENABLED 0x40
+
+%macro BochsWrite 2
+ push dx
+ push ax
+
+ mov dx, VBE_DISPI_IOPORT_INDEX
+ mov ax, %1
+ out dx, ax
+
+ mov dx, VBE_DISPI_IOPORT_DATA
+ mov ax, %2
+ out dx, ax
+
+ pop ax
+ pop dx
+%endmacro
+
+SetMode:
+ push dx
+ push ax
+
+ DebugLog StrEnterSetMode
+
+ cmp bx, 0x40f1
+ je KnownMode2
+ DebugLog StrUnknownMode
+ jmp Hang
+KnownMode2:
+
+ ; unblank
+ mov dx, ATT_ADDRESS_REGISTER
+ mov al, 0x20
+ out dx, al
+
+ BochsWrite VBE_DISPI_INDEX_ENABLE, 0
+ BochsWrite VBE_DISPI_INDEX_BANK, 0
+ BochsWrite VBE_DISPI_INDEX_X_OFFSET, 0
+ BochsWrite VBE_DISPI_INDEX_Y_OFFSET, 0
+ BochsWrite VBE_DISPI_INDEX_BPP, 32
+ BochsWrite VBE_DISPI_INDEX_XRES, 1024
+ BochsWrite VBE_DISPI_INDEX_VIRT_WIDTH, 1024
+ BochsWrite VBE_DISPI_INDEX_YRES, 768
+ BochsWrite VBE_DISPI_INDEX_VIRT_HEIGHT, 768
+ BochsWrite VBE_DISPI_INDEX_ENABLE, VBE_DISPI_ENABLED | VBE_DISPI_LFB_ENABLED
+
+ pop ax
+ pop dx
+ jmp Success
+
+
+GetMode:
+ DebugLog StrEnterGetMode
+ mov bx, 0x40f1
+ jmp Success
+
+
+GetPmCapabilities:
+ DebugLog StrGetPmCapabilities
+ jmp Unsupported
+
+
+ReadEdid:
+ DebugLog StrReadEdid
+ jmp Unsupported
+
+
+SetModeLegacy:
+ DebugLog StrEnterSetModeLegacy
+
+ cmp al, 0x03
+ je KnownMode3
+ cmp al, 0x12
+ je KnownMode4
+ DebugLog StrUnknownMode
+ jmp Hang
+KnownMode3:
+ mov al, 0x30
+ jmp SetModeLegacyDone
+KnownMode4:
+ mov al, 0x20
+SetModeLegacyDone:
+ DebugLog StrExitSuccess
+ iret
+
+
+Success:
+ DebugLog StrExitSuccess
+ mov ax, 0x004f
+ iret
+
+
+Unsupported:
+ DebugLog StrExitUnsupported
+ mov ax, 0x014f
+ iret
+
+
+%ifdef DEBUG
+PrintStringSi:
+ pusha
+ push ds ; save original
+ push cs
+ pop ds
+ mov dx, 0x0402
+PrintStringSiLoop:
+ lodsb
+ cmp al, 0
+ je PrintStringSiDone
+ out dx, al
+ jmp PrintStringSiLoop
+PrintStringSiDone:
+ pop ds ; restore original
+ popa
+ ret
+
+
+StrExitSuccess:
+ db 'Exit', 0x0a, 0
+
+StrExitUnsupported:
+ db 'Unsupported', 0x0a, 0
+
+StrUnknownFunction:
+ db 'Unknown Function', 0x0a, 0
+
+StrEnterGetInfo:
+ db 'GetInfo', 0x0a, 0
+
+StrEnterGetModeInfo:
+ db 'GetModeInfo', 0x0a, 0
+
+StrEnterGetMode:
+ db 'GetMode', 0x0a, 0
+
+StrEnterSetMode:
+ db 'SetMode', 0x0a, 0
+
+StrEnterSetModeLegacy:
+ db 'SetModeLegacy', 0x0a, 0
+
+StrUnknownMode:
+ db 'Unknown Mode', 0x0a, 0
+
+StrGetPmCapabilities:
+ db 'GetPmCapabilities', 0x0a, 0
+
+StrReadEdid:
+ db 'ReadEdid', 0x0a, 0
+%endif
diff --git a/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/VbeShim.c b/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/VbeShim.c
new file mode 100644
index 00000000..63be9eca
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/VbeShim.c
@@ -0,0 +1,316 @@
+/** @file
+ Install a fake VGABIOS service handler (real mode Int10h) for the buggy
+ Windows 2008 R2 SP1 UEFI guest.
+
+ The handler is never meant to be directly executed by a VCPU; it's there for
+ the internal real mode emulator of Windows 2008 R2 SP1.
+
+ The code is based on Ralf Brown's Interrupt List:
+ <http://www.cs.cmu.edu/~ralf/files.html>
+ <http://www.ctyme.com/rbrown.htm>
+
+ Copyright (C) 2014, Red Hat, Inc.
+ Copyright (c) 2013 - 2014, Intel Corporation. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include <IndustryStandard/LegacyVgaBios.h>
+#include <Library/DebugLib.h>
+#include <Library/PciLib.h>
+#include <Library/PrintLib.h>
+#include <OvmfPlatforms.h>
+
+#include "Qemu.h"
+#include "VbeShim.h"
+
+#pragma pack (1)
+typedef struct {
+ UINT16 Offset;
+ UINT16 Segment;
+} IVT_ENTRY;
+#pragma pack ()
+
+//
+// This string is displayed by Windows 2008 R2 SP1 in the Screen Resolution,
+// Advanced Settings dialog. It should be short.
+//
+STATIC CONST CHAR8 mProductRevision[] = "OVMF Int10h (fake)";
+
+/**
+ Install the VBE Info and VBE Mode Info structures, and the VBE service
+ handler routine in the C segment. Point the real-mode Int10h interrupt vector
+ to the handler. The only advertised mode is 1024x768x32.
+
+ @param[in] CardName Name of the video card to be exposed in the
+ Product Name field of the VBE Info structure. The
+ parameter must originate from a
+ QEMU_VIDEO_CARD.Name field.
+ @param[in] FrameBufferBase Guest-physical base address of the video card's
+ frame buffer.
+**/
+VOID
+InstallVbeShim (
+ IN CONST CHAR16 *CardName,
+ IN EFI_PHYSICAL_ADDRESS FrameBufferBase
+ )
+{
+ EFI_PHYSICAL_ADDRESS Segment0, SegmentC, SegmentF;
+ UINTN Segment0Pages;
+ IVT_ENTRY *Int0x10;
+ EFI_STATUS Segment0AllocationStatus;
+ UINT16 HostBridgeDevId;
+ UINTN Pam1Address;
+ UINT8 Pam1;
+ UINTN SegmentCPages;
+ VBE_INFO *VbeInfoFull;
+ VBE_INFO_BASE *VbeInfo;
+ UINT8 *Ptr;
+ UINTN Printed;
+ VBE_MODE_INFO *VbeModeInfo;
+
+ if ((PcdGet8 (PcdNullPointerDetectionPropertyMask) & (BIT0|BIT7)) == BIT0) {
+ DEBUG ((
+ DEBUG_WARN,
+ "%a: page 0 protected, not installing VBE shim\n",
+ __FUNCTION__
+ ));
+ DEBUG ((
+ DEBUG_WARN,
+ "%a: page 0 protection prevents Windows 7 from booting anyway\n",
+ __FUNCTION__
+ ));
+ return;
+ }
+
+ Segment0 = 0x00000;
+ SegmentC = 0xC0000;
+ SegmentF = 0xF0000;
+
+ //
+ // Attempt to cover the real mode IVT with an allocation. This is a UEFI
+ // driver, hence the arch protocols have been installed previously. Among
+ // those, the CPU arch protocol has configured the IDT, so we can overwrite
+ // the IVT used in real mode.
+ //
+ // The allocation request may fail, eg. if LegacyBiosDxe has already run.
+ //
+ Segment0Pages = 1;
+ Int0x10 = (IVT_ENTRY *)(UINTN)(Segment0 + 0x10 * sizeof (IVT_ENTRY));
+ Segment0AllocationStatus = gBS->AllocatePages (
+ AllocateAddress,
+ EfiBootServicesCode,
+ Segment0Pages,
+ &Segment0
+ );
+
+ if (EFI_ERROR (Segment0AllocationStatus)) {
+ EFI_PHYSICAL_ADDRESS Handler;
+
+ //
+ // Check if a video BIOS handler has been installed previously -- we
+ // shouldn't override a real video BIOS with our shim, nor our own shim if
+ // it's already present.
+ //
+ Handler = (Int0x10->Segment << 4) + Int0x10->Offset;
+ if (Handler >= SegmentC && Handler < SegmentF) {
+ DEBUG ((DEBUG_INFO, "%a: Video BIOS handler found at %04x:%04x\n",
+ __FUNCTION__, Int0x10->Segment, Int0x10->Offset));
+ return;
+ }
+
+ //
+ // Otherwise we'll overwrite the Int10h vector, even though we may not own
+ // the page at zero.
+ //
+ DEBUG ((
+ DEBUG_INFO,
+ "%a: failed to allocate page at zero: %r\n",
+ __FUNCTION__,
+ Segment0AllocationStatus
+ ));
+ } else {
+ //
+ // We managed to allocate the page at zero. SVN r14218 guarantees that it
+ // is NUL-filled.
+ //
+ ASSERT (Int0x10->Segment == 0x0000);
+ ASSERT (Int0x10->Offset == 0x0000);
+ }
+
+ //
+ // Put the shim in place first.
+ //
+ // Start by determining the address of the PAM1 register.
+ //
+ HostBridgeDevId = PcdGet16 (PcdOvmfHostBridgePciDevId);
+ switch (HostBridgeDevId) {
+ case INTEL_82441_DEVICE_ID:
+ Pam1Address = PMC_REGISTER_PIIX4 (PIIX4_PAM1);
+ break;
+ case INTEL_Q35_MCH_DEVICE_ID:
+ Pam1Address = DRAMC_REGISTER_Q35 (MCH_PAM1);
+ break;
+ default:
+ DEBUG ((
+ DEBUG_ERROR,
+ "%a: unknown host bridge device ID: 0x%04x\n",
+ __FUNCTION__,
+ HostBridgeDevId
+ ));
+ ASSERT (FALSE);
+
+ if (!EFI_ERROR (Segment0AllocationStatus)) {
+ gBS->FreePages (Segment0, Segment0Pages);
+ }
+ return;
+ }
+ //
+ // low nibble covers 0xC0000 to 0xC3FFF
+ // high nibble covers 0xC4000 to 0xC7FFF
+ // bit1 in each nibble is Write Enable
+ // bit0 in each nibble is Read Enable
+ //
+ Pam1 = PciRead8 (Pam1Address);
+ PciWrite8 (Pam1Address, Pam1 | (BIT1 | BIT0));
+
+ //
+ // We never added memory space during PEI or DXE for the C segment, so we
+ // don't need to (and can't) allocate from there. Also, guest operating
+ // systems will see a hole in the UEFI memory map there.
+ //
+ SegmentCPages = 4;
+
+ ASSERT (sizeof mVbeShim <= EFI_PAGES_TO_SIZE (SegmentCPages));
+ CopyMem ((VOID *)(UINTN)SegmentC, mVbeShim, sizeof mVbeShim);
+
+ //
+ // Fill in the VBE INFO structure.
+ //
+ VbeInfoFull = (VBE_INFO *)(UINTN)SegmentC;
+ VbeInfo = &VbeInfoFull->Base;
+ Ptr = VbeInfoFull->Buffer;
+
+ CopyMem (VbeInfo->Signature, "VESA", 4);
+ VbeInfo->VesaVersion = 0x0300;
+
+ VbeInfo->OemNameAddress = (UINT32)SegmentC << 12 | (UINT16)(UINTN)Ptr;
+ CopyMem (Ptr, "QEMU", 5);
+ Ptr += 5;
+
+ VbeInfo->Capabilities = BIT0; // DAC can be switched into 8-bit mode
+
+ VbeInfo->ModeListAddress = (UINT32)SegmentC << 12 | (UINT16)(UINTN)Ptr;
+ *(UINT16*)Ptr = 0x00f1; // mode number
+ Ptr += 2;
+ *(UINT16*)Ptr = 0xFFFF; // mode list terminator
+ Ptr += 2;
+
+ VbeInfo->VideoMem64K = (UINT16)((1024 * 768 * 4 + 65535) / 65536);
+ VbeInfo->OemSoftwareVersion = 0x0000;
+
+ VbeInfo->VendorNameAddress = (UINT32)SegmentC << 12 | (UINT16)(UINTN)Ptr;
+ CopyMem (Ptr, "OVMF", 5);
+ Ptr += 5;
+
+ VbeInfo->ProductNameAddress = (UINT32)SegmentC << 12 | (UINT16)(UINTN)Ptr;
+ Printed = AsciiSPrint ((CHAR8 *)Ptr,
+ sizeof VbeInfoFull->Buffer - (Ptr - VbeInfoFull->Buffer), "%s",
+ CardName);
+ Ptr += Printed + 1;
+
+ VbeInfo->ProductRevAddress = (UINT32)SegmentC << 12 | (UINT16)(UINTN)Ptr;
+ CopyMem (Ptr, mProductRevision, sizeof mProductRevision);
+ Ptr += sizeof mProductRevision;
+
+ ASSERT (sizeof VbeInfoFull->Buffer >= Ptr - VbeInfoFull->Buffer);
+ ZeroMem (Ptr, sizeof VbeInfoFull->Buffer - (Ptr - VbeInfoFull->Buffer));
+
+ //
+ // Fil in the VBE MODE INFO structure.
+ //
+ VbeModeInfo = (VBE_MODE_INFO *)(VbeInfoFull + 1);
+
+ //
+ // bit0: mode supported by present hardware configuration
+ // bit1: optional information available (must be =1 for VBE v1.2+)
+ // bit3: set if color, clear if monochrome
+ // bit4: set if graphics mode, clear if text mode
+ // bit5: mode is not VGA-compatible
+ // bit7: linear framebuffer mode supported
+ //
+ VbeModeInfo->ModeAttr = BIT7 | BIT5 | BIT4 | BIT3 | BIT1 | BIT0;
+
+ //
+ // bit0: exists
+ // bit1: bit1: readable
+ // bit2: writeable
+ //
+ VbeModeInfo->WindowAAttr = BIT2 | BIT1 | BIT0;
+
+ VbeModeInfo->WindowBAttr = 0x00;
+ VbeModeInfo->WindowGranularityKB = 0x0040;
+ VbeModeInfo->WindowSizeKB = 0x0040;
+ VbeModeInfo->WindowAStartSegment = 0xA000;
+ VbeModeInfo->WindowBStartSegment = 0x0000;
+ VbeModeInfo->WindowPositioningAddress = 0x0000;
+ VbeModeInfo->BytesPerScanLine = 1024 * 4;
+
+ VbeModeInfo->Width = 1024;
+ VbeModeInfo->Height = 768;
+ VbeModeInfo->CharCellWidth = 8;
+ VbeModeInfo->CharCellHeight = 16;
+ VbeModeInfo->NumPlanes = 1;
+ VbeModeInfo->BitsPerPixel = 32;
+ VbeModeInfo->NumBanks = 1;
+ VbeModeInfo->MemoryModel = 6; // direct color
+ VbeModeInfo->BankSizeKB = 0;
+ VbeModeInfo->NumImagePagesLessOne = 0;
+ VbeModeInfo->Vbe3 = 0x01;
+
+ VbeModeInfo->RedMaskSize = 8;
+ VbeModeInfo->RedMaskPos = 16;
+ VbeModeInfo->GreenMaskSize = 8;
+ VbeModeInfo->GreenMaskPos = 8;
+ VbeModeInfo->BlueMaskSize = 8;
+ VbeModeInfo->BlueMaskPos = 0;
+ VbeModeInfo->ReservedMaskSize = 8;
+ VbeModeInfo->ReservedMaskPos = 24;
+
+ //
+ // bit1: Bytes in reserved field may be used by application
+ //
+ VbeModeInfo->DirectColorModeInfo = BIT1;
+
+ VbeModeInfo->LfbAddress = (UINT32)FrameBufferBase;
+ VbeModeInfo->OffScreenAddress = 0;
+ VbeModeInfo->OffScreenSizeKB = 0;
+
+ VbeModeInfo->BytesPerScanLineLinear = 1024 * 4;
+ VbeModeInfo->NumImagesLessOneBanked = 0;
+ VbeModeInfo->NumImagesLessOneLinear = 0;
+ VbeModeInfo->RedMaskSizeLinear = 8;
+ VbeModeInfo->RedMaskPosLinear = 16;
+ VbeModeInfo->GreenMaskSizeLinear = 8;
+ VbeModeInfo->GreenMaskPosLinear = 8;
+ VbeModeInfo->BlueMaskSizeLinear = 8;
+ VbeModeInfo->BlueMaskPosLinear = 0;
+ VbeModeInfo->ReservedMaskSizeLinear = 8;
+ VbeModeInfo->ReservedMaskPosLinear = 24;
+ VbeModeInfo->MaxPixelClockHz = 0;
+
+ ZeroMem (VbeModeInfo->Reserved, sizeof VbeModeInfo->Reserved);
+
+ //
+ // Clear Write Enable (bit1), keep Read Enable (bit0) set
+ //
+ PciWrite8 (Pam1Address, (Pam1 & ~BIT1) | BIT0);
+
+ //
+ // Second, point the Int10h vector at the shim.
+ //
+ Int0x10->Segment = (UINT16) ((UINT32)SegmentC >> 4);
+ Int0x10->Offset = (UINT16) ((UINTN) (VbeModeInfo + 1) - SegmentC);
+
+ DEBUG ((DEBUG_INFO, "%a: VBE shim installed\n", __FUNCTION__));
+}
diff --git a/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/VbeShim.h b/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/VbeShim.h
new file mode 100644
index 00000000..8d8d5f30
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/VbeShim.h
@@ -0,0 +1,701 @@
+//
+// THIS FILE WAS GENERATED BY "VbeShim.sh". DO NOT EDIT.
+//
+#ifndef _VBE_SHIM_H_
+#define _VBE_SHIM_H_
+STATIC CONST UINT8 mVbeShim[] = {
+ /* 00000000 nop */ 0x90,
+ /* 00000001 nop */ 0x90,
+ /* 00000002 nop */ 0x90,
+ /* 00000003 nop */ 0x90,
+ /* 00000004 nop */ 0x90,
+ /* 00000005 nop */ 0x90,
+ /* 00000006 nop */ 0x90,
+ /* 00000007 nop */ 0x90,
+ /* 00000008 nop */ 0x90,
+ /* 00000009 nop */ 0x90,
+ /* 0000000A nop */ 0x90,
+ /* 0000000B nop */ 0x90,
+ /* 0000000C nop */ 0x90,
+ /* 0000000D nop */ 0x90,
+ /* 0000000E nop */ 0x90,
+ /* 0000000F nop */ 0x90,
+ /* 00000010 nop */ 0x90,
+ /* 00000011 nop */ 0x90,
+ /* 00000012 nop */ 0x90,
+ /* 00000013 nop */ 0x90,
+ /* 00000014 nop */ 0x90,
+ /* 00000015 nop */ 0x90,
+ /* 00000016 nop */ 0x90,
+ /* 00000017 nop */ 0x90,
+ /* 00000018 nop */ 0x90,
+ /* 00000019 nop */ 0x90,
+ /* 0000001A nop */ 0x90,
+ /* 0000001B nop */ 0x90,
+ /* 0000001C nop */ 0x90,
+ /* 0000001D nop */ 0x90,
+ /* 0000001E nop */ 0x90,
+ /* 0000001F nop */ 0x90,
+ /* 00000020 nop */ 0x90,
+ /* 00000021 nop */ 0x90,
+ /* 00000022 nop */ 0x90,
+ /* 00000023 nop */ 0x90,
+ /* 00000024 nop */ 0x90,
+ /* 00000025 nop */ 0x90,
+ /* 00000026 nop */ 0x90,
+ /* 00000027 nop */ 0x90,
+ /* 00000028 nop */ 0x90,
+ /* 00000029 nop */ 0x90,
+ /* 0000002A nop */ 0x90,
+ /* 0000002B nop */ 0x90,
+ /* 0000002C nop */ 0x90,
+ /* 0000002D nop */ 0x90,
+ /* 0000002E nop */ 0x90,
+ /* 0000002F nop */ 0x90,
+ /* 00000030 nop */ 0x90,
+ /* 00000031 nop */ 0x90,
+ /* 00000032 nop */ 0x90,
+ /* 00000033 nop */ 0x90,
+ /* 00000034 nop */ 0x90,
+ /* 00000035 nop */ 0x90,
+ /* 00000036 nop */ 0x90,
+ /* 00000037 nop */ 0x90,
+ /* 00000038 nop */ 0x90,
+ /* 00000039 nop */ 0x90,
+ /* 0000003A nop */ 0x90,
+ /* 0000003B nop */ 0x90,
+ /* 0000003C nop */ 0x90,
+ /* 0000003D nop */ 0x90,
+ /* 0000003E nop */ 0x90,
+ /* 0000003F nop */ 0x90,
+ /* 00000040 nop */ 0x90,
+ /* 00000041 nop */ 0x90,
+ /* 00000042 nop */ 0x90,
+ /* 00000043 nop */ 0x90,
+ /* 00000044 nop */ 0x90,
+ /* 00000045 nop */ 0x90,
+ /* 00000046 nop */ 0x90,
+ /* 00000047 nop */ 0x90,
+ /* 00000048 nop */ 0x90,
+ /* 00000049 nop */ 0x90,
+ /* 0000004A nop */ 0x90,
+ /* 0000004B nop */ 0x90,
+ /* 0000004C nop */ 0x90,
+ /* 0000004D nop */ 0x90,
+ /* 0000004E nop */ 0x90,
+ /* 0000004F nop */ 0x90,
+ /* 00000050 nop */ 0x90,
+ /* 00000051 nop */ 0x90,
+ /* 00000052 nop */ 0x90,
+ /* 00000053 nop */ 0x90,
+ /* 00000054 nop */ 0x90,
+ /* 00000055 nop */ 0x90,
+ /* 00000056 nop */ 0x90,
+ /* 00000057 nop */ 0x90,
+ /* 00000058 nop */ 0x90,
+ /* 00000059 nop */ 0x90,
+ /* 0000005A nop */ 0x90,
+ /* 0000005B nop */ 0x90,
+ /* 0000005C nop */ 0x90,
+ /* 0000005D nop */ 0x90,
+ /* 0000005E nop */ 0x90,
+ /* 0000005F nop */ 0x90,
+ /* 00000060 nop */ 0x90,
+ /* 00000061 nop */ 0x90,
+ /* 00000062 nop */ 0x90,
+ /* 00000063 nop */ 0x90,
+ /* 00000064 nop */ 0x90,
+ /* 00000065 nop */ 0x90,
+ /* 00000066 nop */ 0x90,
+ /* 00000067 nop */ 0x90,
+ /* 00000068 nop */ 0x90,
+ /* 00000069 nop */ 0x90,
+ /* 0000006A nop */ 0x90,
+ /* 0000006B nop */ 0x90,
+ /* 0000006C nop */ 0x90,
+ /* 0000006D nop */ 0x90,
+ /* 0000006E nop */ 0x90,
+ /* 0000006F nop */ 0x90,
+ /* 00000070 nop */ 0x90,
+ /* 00000071 nop */ 0x90,
+ /* 00000072 nop */ 0x90,
+ /* 00000073 nop */ 0x90,
+ /* 00000074 nop */ 0x90,
+ /* 00000075 nop */ 0x90,
+ /* 00000076 nop */ 0x90,
+ /* 00000077 nop */ 0x90,
+ /* 00000078 nop */ 0x90,
+ /* 00000079 nop */ 0x90,
+ /* 0000007A nop */ 0x90,
+ /* 0000007B nop */ 0x90,
+ /* 0000007C nop */ 0x90,
+ /* 0000007D nop */ 0x90,
+ /* 0000007E nop */ 0x90,
+ /* 0000007F nop */ 0x90,
+ /* 00000080 nop */ 0x90,
+ /* 00000081 nop */ 0x90,
+ /* 00000082 nop */ 0x90,
+ /* 00000083 nop */ 0x90,
+ /* 00000084 nop */ 0x90,
+ /* 00000085 nop */ 0x90,
+ /* 00000086 nop */ 0x90,
+ /* 00000087 nop */ 0x90,
+ /* 00000088 nop */ 0x90,
+ /* 00000089 nop */ 0x90,
+ /* 0000008A nop */ 0x90,
+ /* 0000008B nop */ 0x90,
+ /* 0000008C nop */ 0x90,
+ /* 0000008D nop */ 0x90,
+ /* 0000008E nop */ 0x90,
+ /* 0000008F nop */ 0x90,
+ /* 00000090 nop */ 0x90,
+ /* 00000091 nop */ 0x90,
+ /* 00000092 nop */ 0x90,
+ /* 00000093 nop */ 0x90,
+ /* 00000094 nop */ 0x90,
+ /* 00000095 nop */ 0x90,
+ /* 00000096 nop */ 0x90,
+ /* 00000097 nop */ 0x90,
+ /* 00000098 nop */ 0x90,
+ /* 00000099 nop */ 0x90,
+ /* 0000009A nop */ 0x90,
+ /* 0000009B nop */ 0x90,
+ /* 0000009C nop */ 0x90,
+ /* 0000009D nop */ 0x90,
+ /* 0000009E nop */ 0x90,
+ /* 0000009F nop */ 0x90,
+ /* 000000A0 nop */ 0x90,
+ /* 000000A1 nop */ 0x90,
+ /* 000000A2 nop */ 0x90,
+ /* 000000A3 nop */ 0x90,
+ /* 000000A4 nop */ 0x90,
+ /* 000000A5 nop */ 0x90,
+ /* 000000A6 nop */ 0x90,
+ /* 000000A7 nop */ 0x90,
+ /* 000000A8 nop */ 0x90,
+ /* 000000A9 nop */ 0x90,
+ /* 000000AA nop */ 0x90,
+ /* 000000AB nop */ 0x90,
+ /* 000000AC nop */ 0x90,
+ /* 000000AD nop */ 0x90,
+ /* 000000AE nop */ 0x90,
+ /* 000000AF nop */ 0x90,
+ /* 000000B0 nop */ 0x90,
+ /* 000000B1 nop */ 0x90,
+ /* 000000B2 nop */ 0x90,
+ /* 000000B3 nop */ 0x90,
+ /* 000000B4 nop */ 0x90,
+ /* 000000B5 nop */ 0x90,
+ /* 000000B6 nop */ 0x90,
+ /* 000000B7 nop */ 0x90,
+ /* 000000B8 nop */ 0x90,
+ /* 000000B9 nop */ 0x90,
+ /* 000000BA nop */ 0x90,
+ /* 000000BB nop */ 0x90,
+ /* 000000BC nop */ 0x90,
+ /* 000000BD nop */ 0x90,
+ /* 000000BE nop */ 0x90,
+ /* 000000BF nop */ 0x90,
+ /* 000000C0 nop */ 0x90,
+ /* 000000C1 nop */ 0x90,
+ /* 000000C2 nop */ 0x90,
+ /* 000000C3 nop */ 0x90,
+ /* 000000C4 nop */ 0x90,
+ /* 000000C5 nop */ 0x90,
+ /* 000000C6 nop */ 0x90,
+ /* 000000C7 nop */ 0x90,
+ /* 000000C8 nop */ 0x90,
+ /* 000000C9 nop */ 0x90,
+ /* 000000CA nop */ 0x90,
+ /* 000000CB nop */ 0x90,
+ /* 000000CC nop */ 0x90,
+ /* 000000CD nop */ 0x90,
+ /* 000000CE nop */ 0x90,
+ /* 000000CF nop */ 0x90,
+ /* 000000D0 nop */ 0x90,
+ /* 000000D1 nop */ 0x90,
+ /* 000000D2 nop */ 0x90,
+ /* 000000D3 nop */ 0x90,
+ /* 000000D4 nop */ 0x90,
+ /* 000000D5 nop */ 0x90,
+ /* 000000D6 nop */ 0x90,
+ /* 000000D7 nop */ 0x90,
+ /* 000000D8 nop */ 0x90,
+ /* 000000D9 nop */ 0x90,
+ /* 000000DA nop */ 0x90,
+ /* 000000DB nop */ 0x90,
+ /* 000000DC nop */ 0x90,
+ /* 000000DD nop */ 0x90,
+ /* 000000DE nop */ 0x90,
+ /* 000000DF nop */ 0x90,
+ /* 000000E0 nop */ 0x90,
+ /* 000000E1 nop */ 0x90,
+ /* 000000E2 nop */ 0x90,
+ /* 000000E3 nop */ 0x90,
+ /* 000000E4 nop */ 0x90,
+ /* 000000E5 nop */ 0x90,
+ /* 000000E6 nop */ 0x90,
+ /* 000000E7 nop */ 0x90,
+ /* 000000E8 nop */ 0x90,
+ /* 000000E9 nop */ 0x90,
+ /* 000000EA nop */ 0x90,
+ /* 000000EB nop */ 0x90,
+ /* 000000EC nop */ 0x90,
+ /* 000000ED nop */ 0x90,
+ /* 000000EE nop */ 0x90,
+ /* 000000EF nop */ 0x90,
+ /* 000000F0 nop */ 0x90,
+ /* 000000F1 nop */ 0x90,
+ /* 000000F2 nop */ 0x90,
+ /* 000000F3 nop */ 0x90,
+ /* 000000F4 nop */ 0x90,
+ /* 000000F5 nop */ 0x90,
+ /* 000000F6 nop */ 0x90,
+ /* 000000F7 nop */ 0x90,
+ /* 000000F8 nop */ 0x90,
+ /* 000000F9 nop */ 0x90,
+ /* 000000FA nop */ 0x90,
+ /* 000000FB nop */ 0x90,
+ /* 000000FC nop */ 0x90,
+ /* 000000FD nop */ 0x90,
+ /* 000000FE nop */ 0x90,
+ /* 000000FF nop */ 0x90,
+ /* 00000100 nop */ 0x90,
+ /* 00000101 nop */ 0x90,
+ /* 00000102 nop */ 0x90,
+ /* 00000103 nop */ 0x90,
+ /* 00000104 nop */ 0x90,
+ /* 00000105 nop */ 0x90,
+ /* 00000106 nop */ 0x90,
+ /* 00000107 nop */ 0x90,
+ /* 00000108 nop */ 0x90,
+ /* 00000109 nop */ 0x90,
+ /* 0000010A nop */ 0x90,
+ /* 0000010B nop */ 0x90,
+ /* 0000010C nop */ 0x90,
+ /* 0000010D nop */ 0x90,
+ /* 0000010E nop */ 0x90,
+ /* 0000010F nop */ 0x90,
+ /* 00000110 nop */ 0x90,
+ /* 00000111 nop */ 0x90,
+ /* 00000112 nop */ 0x90,
+ /* 00000113 nop */ 0x90,
+ /* 00000114 nop */ 0x90,
+ /* 00000115 nop */ 0x90,
+ /* 00000116 nop */ 0x90,
+ /* 00000117 nop */ 0x90,
+ /* 00000118 nop */ 0x90,
+ /* 00000119 nop */ 0x90,
+ /* 0000011A nop */ 0x90,
+ /* 0000011B nop */ 0x90,
+ /* 0000011C nop */ 0x90,
+ /* 0000011D nop */ 0x90,
+ /* 0000011E nop */ 0x90,
+ /* 0000011F nop */ 0x90,
+ /* 00000120 nop */ 0x90,
+ /* 00000121 nop */ 0x90,
+ /* 00000122 nop */ 0x90,
+ /* 00000123 nop */ 0x90,
+ /* 00000124 nop */ 0x90,
+ /* 00000125 nop */ 0x90,
+ /* 00000126 nop */ 0x90,
+ /* 00000127 nop */ 0x90,
+ /* 00000128 nop */ 0x90,
+ /* 00000129 nop */ 0x90,
+ /* 0000012A nop */ 0x90,
+ /* 0000012B nop */ 0x90,
+ /* 0000012C nop */ 0x90,
+ /* 0000012D nop */ 0x90,
+ /* 0000012E nop */ 0x90,
+ /* 0000012F nop */ 0x90,
+ /* 00000130 nop */ 0x90,
+ /* 00000131 nop */ 0x90,
+ /* 00000132 nop */ 0x90,
+ /* 00000133 nop */ 0x90,
+ /* 00000134 nop */ 0x90,
+ /* 00000135 nop */ 0x90,
+ /* 00000136 nop */ 0x90,
+ /* 00000137 nop */ 0x90,
+ /* 00000138 nop */ 0x90,
+ /* 00000139 nop */ 0x90,
+ /* 0000013A nop */ 0x90,
+ /* 0000013B nop */ 0x90,
+ /* 0000013C nop */ 0x90,
+ /* 0000013D nop */ 0x90,
+ /* 0000013E nop */ 0x90,
+ /* 0000013F nop */ 0x90,
+ /* 00000140 nop */ 0x90,
+ /* 00000141 nop */ 0x90,
+ /* 00000142 nop */ 0x90,
+ /* 00000143 nop */ 0x90,
+ /* 00000144 nop */ 0x90,
+ /* 00000145 nop */ 0x90,
+ /* 00000146 nop */ 0x90,
+ /* 00000147 nop */ 0x90,
+ /* 00000148 nop */ 0x90,
+ /* 00000149 nop */ 0x90,
+ /* 0000014A nop */ 0x90,
+ /* 0000014B nop */ 0x90,
+ /* 0000014C nop */ 0x90,
+ /* 0000014D nop */ 0x90,
+ /* 0000014E nop */ 0x90,
+ /* 0000014F nop */ 0x90,
+ /* 00000150 nop */ 0x90,
+ /* 00000151 nop */ 0x90,
+ /* 00000152 nop */ 0x90,
+ /* 00000153 nop */ 0x90,
+ /* 00000154 nop */ 0x90,
+ /* 00000155 nop */ 0x90,
+ /* 00000156 nop */ 0x90,
+ /* 00000157 nop */ 0x90,
+ /* 00000158 nop */ 0x90,
+ /* 00000159 nop */ 0x90,
+ /* 0000015A nop */ 0x90,
+ /* 0000015B nop */ 0x90,
+ /* 0000015C nop */ 0x90,
+ /* 0000015D nop */ 0x90,
+ /* 0000015E nop */ 0x90,
+ /* 0000015F nop */ 0x90,
+ /* 00000160 nop */ 0x90,
+ /* 00000161 nop */ 0x90,
+ /* 00000162 nop */ 0x90,
+ /* 00000163 nop */ 0x90,
+ /* 00000164 nop */ 0x90,
+ /* 00000165 nop */ 0x90,
+ /* 00000166 nop */ 0x90,
+ /* 00000167 nop */ 0x90,
+ /* 00000168 nop */ 0x90,
+ /* 00000169 nop */ 0x90,
+ /* 0000016A nop */ 0x90,
+ /* 0000016B nop */ 0x90,
+ /* 0000016C nop */ 0x90,
+ /* 0000016D nop */ 0x90,
+ /* 0000016E nop */ 0x90,
+ /* 0000016F nop */ 0x90,
+ /* 00000170 nop */ 0x90,
+ /* 00000171 nop */ 0x90,
+ /* 00000172 nop */ 0x90,
+ /* 00000173 nop */ 0x90,
+ /* 00000174 nop */ 0x90,
+ /* 00000175 nop */ 0x90,
+ /* 00000176 nop */ 0x90,
+ /* 00000177 nop */ 0x90,
+ /* 00000178 nop */ 0x90,
+ /* 00000179 nop */ 0x90,
+ /* 0000017A nop */ 0x90,
+ /* 0000017B nop */ 0x90,
+ /* 0000017C nop */ 0x90,
+ /* 0000017D nop */ 0x90,
+ /* 0000017E nop */ 0x90,
+ /* 0000017F nop */ 0x90,
+ /* 00000180 nop */ 0x90,
+ /* 00000181 nop */ 0x90,
+ /* 00000182 nop */ 0x90,
+ /* 00000183 nop */ 0x90,
+ /* 00000184 nop */ 0x90,
+ /* 00000185 nop */ 0x90,
+ /* 00000186 nop */ 0x90,
+ /* 00000187 nop */ 0x90,
+ /* 00000188 nop */ 0x90,
+ /* 00000189 nop */ 0x90,
+ /* 0000018A nop */ 0x90,
+ /* 0000018B nop */ 0x90,
+ /* 0000018C nop */ 0x90,
+ /* 0000018D nop */ 0x90,
+ /* 0000018E nop */ 0x90,
+ /* 0000018F nop */ 0x90,
+ /* 00000190 nop */ 0x90,
+ /* 00000191 nop */ 0x90,
+ /* 00000192 nop */ 0x90,
+ /* 00000193 nop */ 0x90,
+ /* 00000194 nop */ 0x90,
+ /* 00000195 nop */ 0x90,
+ /* 00000196 nop */ 0x90,
+ /* 00000197 nop */ 0x90,
+ /* 00000198 nop */ 0x90,
+ /* 00000199 nop */ 0x90,
+ /* 0000019A nop */ 0x90,
+ /* 0000019B nop */ 0x90,
+ /* 0000019C nop */ 0x90,
+ /* 0000019D nop */ 0x90,
+ /* 0000019E nop */ 0x90,
+ /* 0000019F nop */ 0x90,
+ /* 000001A0 nop */ 0x90,
+ /* 000001A1 nop */ 0x90,
+ /* 000001A2 nop */ 0x90,
+ /* 000001A3 nop */ 0x90,
+ /* 000001A4 nop */ 0x90,
+ /* 000001A5 nop */ 0x90,
+ /* 000001A6 nop */ 0x90,
+ /* 000001A7 nop */ 0x90,
+ /* 000001A8 nop */ 0x90,
+ /* 000001A9 nop */ 0x90,
+ /* 000001AA nop */ 0x90,
+ /* 000001AB nop */ 0x90,
+ /* 000001AC nop */ 0x90,
+ /* 000001AD nop */ 0x90,
+ /* 000001AE nop */ 0x90,
+ /* 000001AF nop */ 0x90,
+ /* 000001B0 nop */ 0x90,
+ /* 000001B1 nop */ 0x90,
+ /* 000001B2 nop */ 0x90,
+ /* 000001B3 nop */ 0x90,
+ /* 000001B4 nop */ 0x90,
+ /* 000001B5 nop */ 0x90,
+ /* 000001B6 nop */ 0x90,
+ /* 000001B7 nop */ 0x90,
+ /* 000001B8 nop */ 0x90,
+ /* 000001B9 nop */ 0x90,
+ /* 000001BA nop */ 0x90,
+ /* 000001BB nop */ 0x90,
+ /* 000001BC nop */ 0x90,
+ /* 000001BD nop */ 0x90,
+ /* 000001BE nop */ 0x90,
+ /* 000001BF nop */ 0x90,
+ /* 000001C0 nop */ 0x90,
+ /* 000001C1 nop */ 0x90,
+ /* 000001C2 nop */ 0x90,
+ /* 000001C3 nop */ 0x90,
+ /* 000001C4 nop */ 0x90,
+ /* 000001C5 nop */ 0x90,
+ /* 000001C6 nop */ 0x90,
+ /* 000001C7 nop */ 0x90,
+ /* 000001C8 nop */ 0x90,
+ /* 000001C9 nop */ 0x90,
+ /* 000001CA nop */ 0x90,
+ /* 000001CB nop */ 0x90,
+ /* 000001CC nop */ 0x90,
+ /* 000001CD nop */ 0x90,
+ /* 000001CE nop */ 0x90,
+ /* 000001CF nop */ 0x90,
+ /* 000001D0 nop */ 0x90,
+ /* 000001D1 nop */ 0x90,
+ /* 000001D2 nop */ 0x90,
+ /* 000001D3 nop */ 0x90,
+ /* 000001D4 nop */ 0x90,
+ /* 000001D5 nop */ 0x90,
+ /* 000001D6 nop */ 0x90,
+ /* 000001D7 nop */ 0x90,
+ /* 000001D8 nop */ 0x90,
+ /* 000001D9 nop */ 0x90,
+ /* 000001DA nop */ 0x90,
+ /* 000001DB nop */ 0x90,
+ /* 000001DC nop */ 0x90,
+ /* 000001DD nop */ 0x90,
+ /* 000001DE nop */ 0x90,
+ /* 000001DF nop */ 0x90,
+ /* 000001E0 nop */ 0x90,
+ /* 000001E1 nop */ 0x90,
+ /* 000001E2 nop */ 0x90,
+ /* 000001E3 nop */ 0x90,
+ /* 000001E4 nop */ 0x90,
+ /* 000001E5 nop */ 0x90,
+ /* 000001E6 nop */ 0x90,
+ /* 000001E7 nop */ 0x90,
+ /* 000001E8 nop */ 0x90,
+ /* 000001E9 nop */ 0x90,
+ /* 000001EA nop */ 0x90,
+ /* 000001EB nop */ 0x90,
+ /* 000001EC nop */ 0x90,
+ /* 000001ED nop */ 0x90,
+ /* 000001EE nop */ 0x90,
+ /* 000001EF nop */ 0x90,
+ /* 000001F0 nop */ 0x90,
+ /* 000001F1 nop */ 0x90,
+ /* 000001F2 nop */ 0x90,
+ /* 000001F3 nop */ 0x90,
+ /* 000001F4 nop */ 0x90,
+ /* 000001F5 nop */ 0x90,
+ /* 000001F6 nop */ 0x90,
+ /* 000001F7 nop */ 0x90,
+ /* 000001F8 nop */ 0x90,
+ /* 000001F9 nop */ 0x90,
+ /* 000001FA nop */ 0x90,
+ /* 000001FB nop */ 0x90,
+ /* 000001FC nop */ 0x90,
+ /* 000001FD nop */ 0x90,
+ /* 000001FE nop */ 0x90,
+ /* 000001FF nop */ 0x90,
+ /* 00000200 cmp ax,0x4f00 */ 0x3D, 0x00, 0x4F,
+ /* 00000203 jz 0x22d */ 0x74, 0x28,
+ /* 00000205 cmp ax,0x4f01 */ 0x3D, 0x01, 0x4F,
+ /* 00000208 jz 0x245 */ 0x74, 0x3B,
+ /* 0000020A cmp ax,0x4f02 */ 0x3D, 0x02, 0x4F,
+ /* 0000020D jz 0x269 */ 0x74, 0x5A,
+ /* 0000020F cmp ax,0x4f03 */ 0x3D, 0x03, 0x4F,
+ /* 00000212 jz word 0x331 */ 0x0F, 0x84, 0x1B, 0x01,
+ /* 00000216 cmp ax,0x4f10 */ 0x3D, 0x10, 0x4F,
+ /* 00000219 jz word 0x336 */ 0x0F, 0x84, 0x19, 0x01,
+ /* 0000021D cmp ax,0x4f15 */ 0x3D, 0x15, 0x4F,
+ /* 00000220 jz word 0x338 */ 0x0F, 0x84, 0x14, 0x01,
+ /* 00000224 cmp ah,0x0 */ 0x80, 0xFC, 0x00,
+ /* 00000227 jz word 0x33a */ 0x0F, 0x84, 0x0F, 0x01,
+ /* 0000022B jmp short 0x22b */ 0xEB, 0xFE,
+ /* 0000022D push es */ 0x06,
+ /* 0000022E push di */ 0x57,
+ /* 0000022F push ds */ 0x1E,
+ /* 00000230 push si */ 0x56,
+ /* 00000231 push cx */ 0x51,
+ /* 00000232 push cs */ 0x0E,
+ /* 00000233 pop ds */ 0x1F,
+ /* 00000234 mov si,0x0 */ 0xBE, 0x00, 0x00,
+ /* 00000237 mov cx,0x100 */ 0xB9, 0x00, 0x01,
+ /* 0000023A cld */ 0xFC,
+ /* 0000023B rep movsb */ 0xF3, 0xA4,
+ /* 0000023D pop cx */ 0x59,
+ /* 0000023E pop si */ 0x5E,
+ /* 0000023F pop ds */ 0x1F,
+ /* 00000240 pop di */ 0x5F,
+ /* 00000241 pop es */ 0x07,
+ /* 00000242 jmp word 0x34c */ 0xE9, 0x07, 0x01,
+ /* 00000245 push es */ 0x06,
+ /* 00000246 push di */ 0x57,
+ /* 00000247 push ds */ 0x1E,
+ /* 00000248 push si */ 0x56,
+ /* 00000249 push cx */ 0x51,
+ /* 0000024A and cx,0xbfff */ 0x81, 0xE1, 0xFF, 0xBF,
+ /* 0000024E cmp cx,0xf1 */ 0x81, 0xF9, 0xF1, 0x00,
+ /* 00000252 jz 0x256 */ 0x74, 0x02,
+ /* 00000254 jmp short 0x22b */ 0xEB, 0xD5,
+ /* 00000256 push cs */ 0x0E,
+ /* 00000257 pop ds */ 0x1F,
+ /* 00000258 mov si,0x100 */ 0xBE, 0x00, 0x01,
+ /* 0000025B mov cx,0x100 */ 0xB9, 0x00, 0x01,
+ /* 0000025E cld */ 0xFC,
+ /* 0000025F rep movsb */ 0xF3, 0xA4,
+ /* 00000261 pop cx */ 0x59,
+ /* 00000262 pop si */ 0x5E,
+ /* 00000263 pop ds */ 0x1F,
+ /* 00000264 pop di */ 0x5F,
+ /* 00000265 pop es */ 0x07,
+ /* 00000266 jmp word 0x34c */ 0xE9, 0xE3, 0x00,
+ /* 00000269 push dx */ 0x52,
+ /* 0000026A push ax */ 0x50,
+ /* 0000026B cmp bx,0x40f1 */ 0x81, 0xFB, 0xF1, 0x40,
+ /* 0000026F jz 0x273 */ 0x74, 0x02,
+ /* 00000271 jmp short 0x22b */ 0xEB, 0xB8,
+ /* 00000273 mov dx,0x3c0 */ 0xBA, 0xC0, 0x03,
+ /* 00000276 mov al,0x20 */ 0xB0, 0x20,
+ /* 00000278 out dx,al */ 0xEE,
+ /* 00000279 push dx */ 0x52,
+ /* 0000027A push ax */ 0x50,
+ /* 0000027B mov dx,0x1ce */ 0xBA, 0xCE, 0x01,
+ /* 0000027E mov ax,0x4 */ 0xB8, 0x04, 0x00,
+ /* 00000281 out dx,ax */ 0xEF,
+ /* 00000282 mov dx,0x1d0 */ 0xBA, 0xD0, 0x01,
+ /* 00000285 mov ax,0x0 */ 0xB8, 0x00, 0x00,
+ /* 00000288 out dx,ax */ 0xEF,
+ /* 00000289 pop ax */ 0x58,
+ /* 0000028A pop dx */ 0x5A,
+ /* 0000028B push dx */ 0x52,
+ /* 0000028C push ax */ 0x50,
+ /* 0000028D mov dx,0x1ce */ 0xBA, 0xCE, 0x01,
+ /* 00000290 mov ax,0x5 */ 0xB8, 0x05, 0x00,
+ /* 00000293 out dx,ax */ 0xEF,
+ /* 00000294 mov dx,0x1d0 */ 0xBA, 0xD0, 0x01,
+ /* 00000297 mov ax,0x0 */ 0xB8, 0x00, 0x00,
+ /* 0000029A out dx,ax */ 0xEF,
+ /* 0000029B pop ax */ 0x58,
+ /* 0000029C pop dx */ 0x5A,
+ /* 0000029D push dx */ 0x52,
+ /* 0000029E push ax */ 0x50,
+ /* 0000029F mov dx,0x1ce */ 0xBA, 0xCE, 0x01,
+ /* 000002A2 mov ax,0x8 */ 0xB8, 0x08, 0x00,
+ /* 000002A5 out dx,ax */ 0xEF,
+ /* 000002A6 mov dx,0x1d0 */ 0xBA, 0xD0, 0x01,
+ /* 000002A9 mov ax,0x0 */ 0xB8, 0x00, 0x00,
+ /* 000002AC out dx,ax */ 0xEF,
+ /* 000002AD pop ax */ 0x58,
+ /* 000002AE pop dx */ 0x5A,
+ /* 000002AF push dx */ 0x52,
+ /* 000002B0 push ax */ 0x50,
+ /* 000002B1 mov dx,0x1ce */ 0xBA, 0xCE, 0x01,
+ /* 000002B4 mov ax,0x9 */ 0xB8, 0x09, 0x00,
+ /* 000002B7 out dx,ax */ 0xEF,
+ /* 000002B8 mov dx,0x1d0 */ 0xBA, 0xD0, 0x01,
+ /* 000002BB mov ax,0x0 */ 0xB8, 0x00, 0x00,
+ /* 000002BE out dx,ax */ 0xEF,
+ /* 000002BF pop ax */ 0x58,
+ /* 000002C0 pop dx */ 0x5A,
+ /* 000002C1 push dx */ 0x52,
+ /* 000002C2 push ax */ 0x50,
+ /* 000002C3 mov dx,0x1ce */ 0xBA, 0xCE, 0x01,
+ /* 000002C6 mov ax,0x3 */ 0xB8, 0x03, 0x00,
+ /* 000002C9 out dx,ax */ 0xEF,
+ /* 000002CA mov dx,0x1d0 */ 0xBA, 0xD0, 0x01,
+ /* 000002CD mov ax,0x20 */ 0xB8, 0x20, 0x00,
+ /* 000002D0 out dx,ax */ 0xEF,
+ /* 000002D1 pop ax */ 0x58,
+ /* 000002D2 pop dx */ 0x5A,
+ /* 000002D3 push dx */ 0x52,
+ /* 000002D4 push ax */ 0x50,
+ /* 000002D5 mov dx,0x1ce */ 0xBA, 0xCE, 0x01,
+ /* 000002D8 mov ax,0x1 */ 0xB8, 0x01, 0x00,
+ /* 000002DB out dx,ax */ 0xEF,
+ /* 000002DC mov dx,0x1d0 */ 0xBA, 0xD0, 0x01,
+ /* 000002DF mov ax,0x400 */ 0xB8, 0x00, 0x04,
+ /* 000002E2 out dx,ax */ 0xEF,
+ /* 000002E3 pop ax */ 0x58,
+ /* 000002E4 pop dx */ 0x5A,
+ /* 000002E5 push dx */ 0x52,
+ /* 000002E6 push ax */ 0x50,
+ /* 000002E7 mov dx,0x1ce */ 0xBA, 0xCE, 0x01,
+ /* 000002EA mov ax,0x6 */ 0xB8, 0x06, 0x00,
+ /* 000002ED out dx,ax */ 0xEF,
+ /* 000002EE mov dx,0x1d0 */ 0xBA, 0xD0, 0x01,
+ /* 000002F1 mov ax,0x400 */ 0xB8, 0x00, 0x04,
+ /* 000002F4 out dx,ax */ 0xEF,
+ /* 000002F5 pop ax */ 0x58,
+ /* 000002F6 pop dx */ 0x5A,
+ /* 000002F7 push dx */ 0x52,
+ /* 000002F8 push ax */ 0x50,
+ /* 000002F9 mov dx,0x1ce */ 0xBA, 0xCE, 0x01,
+ /* 000002FC mov ax,0x2 */ 0xB8, 0x02, 0x00,
+ /* 000002FF out dx,ax */ 0xEF,
+ /* 00000300 mov dx,0x1d0 */ 0xBA, 0xD0, 0x01,
+ /* 00000303 mov ax,0x300 */ 0xB8, 0x00, 0x03,
+ /* 00000306 out dx,ax */ 0xEF,
+ /* 00000307 pop ax */ 0x58,
+ /* 00000308 pop dx */ 0x5A,
+ /* 00000309 push dx */ 0x52,
+ /* 0000030A push ax */ 0x50,
+ /* 0000030B mov dx,0x1ce */ 0xBA, 0xCE, 0x01,
+ /* 0000030E mov ax,0x7 */ 0xB8, 0x07, 0x00,
+ /* 00000311 out dx,ax */ 0xEF,
+ /* 00000312 mov dx,0x1d0 */ 0xBA, 0xD0, 0x01,
+ /* 00000315 mov ax,0x300 */ 0xB8, 0x00, 0x03,
+ /* 00000318 out dx,ax */ 0xEF,
+ /* 00000319 pop ax */ 0x58,
+ /* 0000031A pop dx */ 0x5A,
+ /* 0000031B push dx */ 0x52,
+ /* 0000031C push ax */ 0x50,
+ /* 0000031D mov dx,0x1ce */ 0xBA, 0xCE, 0x01,
+ /* 00000320 mov ax,0x4 */ 0xB8, 0x04, 0x00,
+ /* 00000323 out dx,ax */ 0xEF,
+ /* 00000324 mov dx,0x1d0 */ 0xBA, 0xD0, 0x01,
+ /* 00000327 mov ax,0x41 */ 0xB8, 0x41, 0x00,
+ /* 0000032A out dx,ax */ 0xEF,
+ /* 0000032B pop ax */ 0x58,
+ /* 0000032C pop dx */ 0x5A,
+ /* 0000032D pop ax */ 0x58,
+ /* 0000032E pop dx */ 0x5A,
+ /* 0000032F jmp short 0x34c */ 0xEB, 0x1B,
+ /* 00000331 mov bx,0x40f1 */ 0xBB, 0xF1, 0x40,
+ /* 00000334 jmp short 0x34c */ 0xEB, 0x16,
+ /* 00000336 jmp short 0x350 */ 0xEB, 0x18,
+ /* 00000338 jmp short 0x350 */ 0xEB, 0x16,
+ /* 0000033A cmp al,0x3 */ 0x3C, 0x03,
+ /* 0000033C jz 0x345 */ 0x74, 0x07,
+ /* 0000033E cmp al,0x12 */ 0x3C, 0x12,
+ /* 00000340 jz 0x349 */ 0x74, 0x07,
+ /* 00000342 jmp word 0x22b */ 0xE9, 0xE6, 0xFE,
+ /* 00000345 mov al,0x30 */ 0xB0, 0x30,
+ /* 00000347 jmp short 0x34b */ 0xEB, 0x02,
+ /* 00000349 mov al,0x20 */ 0xB0, 0x20,
+ /* 0000034B iretw */ 0xCF,
+ /* 0000034C mov ax,0x4f */ 0xB8, 0x4F, 0x00,
+ /* 0000034F iretw */ 0xCF,
+ /* 00000350 mov ax,0x14f */ 0xB8, 0x4F, 0x01,
+ /* 00000353 iretw */ 0xCF,
+};
+#endif
diff --git a/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/VbeShim.sh b/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/VbeShim.sh
new file mode 100755
index 00000000..aea28be3
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/OvmfPkg/QemuVideoDxe/VbeShim.sh
@@ -0,0 +1,79 @@
+#!/bin/sh
+###
+# @file
+# Shell script to assemble and dump the fake Int10h handler from NASM source to
+# a C array.
+#
+# Copyright (C) 2014, Red Hat, Inc.
+# Copyright (c) 2013 - 2014, Intel Corporation. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+###
+
+set -e -u
+
+STEM=$(dirname -- "$0")/$(basename -- "$0" .sh)
+
+#
+# Install exit handler -- remove temporary files.
+#
+exit_handler()
+{
+ rm -f -- "$STEM".bin "$STEM".disasm "$STEM".offsets "$STEM".insns \
+ "$STEM".bytes
+}
+trap exit_handler EXIT
+
+#
+# Assemble the source file.
+#
+nasm -o "$STEM".bin -- "$STEM".asm
+
+#
+# Disassemble it, in order to get a binary dump associated with the source.
+# (ndisasm doesn't recognize the "--" end-of-options delimiter.)
+#
+ndisasm "$STEM".bin >"$STEM".disasm
+
+#
+# Create three files, each with one column of the disassembly.
+#
+# The first column contains the offsets, and it starts the comment.
+#
+cut -c 1-8 -- "$STEM".disasm \
+| sed -e 's,^, /* ,' >"$STEM".offsets
+
+#
+# The second column contains the assembly-language instructions, and it closes
+# the comment. We first pad it to 30 characters.
+#
+cut -c 29- -- "$STEM".disasm \
+| sed -e 's,$, ,' \
+ -e 's,^\(.\{30\}\).*$,\1 */,' >"$STEM".insns
+
+#
+# The third column contains the bytes corresponding to the instruction,
+# represented as C integer constants. First strip trailing whitespace from the
+# middle column of the input disassembly, then process pairs of nibbles.
+#
+cut -c 11-28 -- "$STEM".disasm \
+| sed -e 's, \+$,,' -e 's/\(..\)/ 0x\1,/g' >"$STEM".bytes
+
+#
+# Write the output file, recombining the columns. The output should have CRLF
+# line endings.
+#
+{
+ printf '//\n'
+ printf '// THIS FILE WAS GENERATED BY "%s". DO NOT EDIT.\n' \
+ "$(basename -- "$0")"
+ printf '//\n'
+ printf '#ifndef _VBE_SHIM_H_\n'
+ printf '#define _VBE_SHIM_H_\n'
+ printf 'STATIC CONST UINT8 mVbeShim[] = {\n'
+ paste -d ' ' -- "$STEM".offsets "$STEM".insns "$STEM".bytes
+ printf '};\n'
+ printf '#endif\n'
+} \
+| unix2dos >"$STEM".h
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-30 13:32:43 +0000