diff --git a/OvmfPkg/Include/IndustryStandard/LegacyVgaBios.h b/OvmfPkg/Include/IndustryStandard/LegacyVgaBios.h new file mode 100644 index 0000000000..d55d1283f4 --- /dev/null +++ b/OvmfPkg/Include/IndustryStandard/LegacyVgaBios.h @@ -0,0 +1,97 @@ +/** @file + Type definitions related to the VBE (VESA BIOS Extension, Int10h AH=4Fh) + services GET INFORMATION (AL=00h) and GET MODE INFORMATION (AL=01h). + + For reference, see Ralf Brown's Interrupt List: + + + + Copyright (C) 2014, Red Hat, Inc. + + This program and the accompanying materials are licensed and made available + under the terms and conditions of the BSD License which accompanies this + distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT + WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +**/ + +#ifndef __LEGACY_VGA_BIOS_H__ +#define __LEGACY_VGA_BIOS_H__ + +#include + +#pragma pack (1) +typedef struct { + UINT8 Signature[4]; + UINT16 VesaVersion; + UINT32 OemNameAddress; + UINT32 Capabilities; + UINT32 ModeListAddress; + UINT16 VideoMem64K; + UINT16 OemSoftwareVersion; + UINT32 VendorNameAddress; + UINT32 ProductNameAddress; + UINT32 ProductRevAddress; +} VBE_INFO_BASE; + +typedef struct { + VBE_INFO_BASE Base; + UINT8 Buffer[256 - sizeof (VBE_INFO_BASE)]; +} VBE_INFO; + +typedef struct { + UINT16 ModeAttr; + UINT8 WindowAAttr; + UINT8 WindowBAttr; + UINT16 WindowGranularityKB; + UINT16 WindowSizeKB; + UINT16 WindowAStartSegment; + UINT16 WindowBStartSegment; + UINT32 WindowPositioningAddress; + UINT16 BytesPerScanLine; + + UINT16 Width; + UINT16 Height; + UINT8 CharCellWidth; + UINT8 CharCellHeight; + UINT8 NumPlanes; + UINT8 BitsPerPixel; + UINT8 NumBanks; + UINT8 MemoryModel; + UINT8 BankSizeKB; + UINT8 NumImagePagesLessOne; + UINT8 Vbe3; + + UINT8 RedMaskSize; + UINT8 RedMaskPos; + UINT8 GreenMaskSize; + UINT8 GreenMaskPos; + UINT8 BlueMaskSize; + UINT8 BlueMaskPos; + UINT8 ReservedMaskSize; + UINT8 ReservedMaskPos; + UINT8 DirectColorModeInfo; + + UINT32 LfbAddress; + UINT32 OffScreenAddress; + UINT16 OffScreenSizeKB; + + UINT16 BytesPerScanLineLinear; + UINT8 NumImagesLessOneBanked; + UINT8 NumImagesLessOneLinear; + UINT8 RedMaskSizeLinear; + UINT8 RedMaskPosLinear; + UINT8 GreenMaskSizeLinear; + UINT8 GreenMaskPosLinear; + UINT8 BlueMaskSizeLinear; + UINT8 BlueMaskPosLinear; + UINT8 ReservedMaskSizeLinear; + UINT8 ReservedMaskPosLinear; + UINT32 MaxPixelClockHz; + UINT8 Reserved[190]; +} VBE_MODE_INFO; +#pragma pack () + +#endif diff --git a/OvmfPkg/QemuVideoDxe/Driver.c b/OvmfPkg/QemuVideoDxe/Driver.c index c44b8b2603..2194cbef44 100644 --- a/OvmfPkg/QemuVideoDxe/Driver.c +++ b/OvmfPkg/QemuVideoDxe/Driver.c @@ -398,6 +398,11 @@ QemuVideoControllerDriverStart ( goto UninstallGop; } + if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO || + Private->Variant == QEMU_VIDEO_BOCHS) { + InstallVbeShim (Card->Name, Private->GraphicsOutput.Mode->FrameBufferBase); + } + gBS->RestoreTPL (OldTpl); return EFI_SUCCESS; diff --git a/OvmfPkg/QemuVideoDxe/Qemu.h b/OvmfPkg/QemuVideoDxe/Qemu.h index 098ee774e0..4bf51c7150 100644 --- a/OvmfPkg/QemuVideoDxe/Qemu.h +++ b/OvmfPkg/QemuVideoDxe/Qemu.h @@ -502,4 +502,9 @@ QemuVideoBochsModeSetup ( QEMU_VIDEO_PRIVATE_DATA *Private ); +VOID +InstallVbeShim ( + IN CONST CHAR16 *CardName, + IN EFI_PHYSICAL_ADDRESS FrameBufferBase + ); #endif diff --git a/OvmfPkg/QemuVideoDxe/QemuVideoDxe.inf b/OvmfPkg/QemuVideoDxe/QemuVideoDxe.inf index 30284fcce0..5180b27600 100644 --- a/OvmfPkg/QemuVideoDxe/QemuVideoDxe.inf +++ b/OvmfPkg/QemuVideoDxe/QemuVideoDxe.inf @@ -38,10 +38,12 @@ DriverSupportedEfiVersion.c Gop.c Initialize.c + VbeShim.c [Packages] MdePkg/MdePkg.dec OptionRomPkg/OptionRomPkg.dec + OvmfPkg/OvmfPkg.dec [LibraryClasses] BaseMemoryLib @@ -49,6 +51,8 @@ DebugLib DevicePathLib MemoryAllocationLib + PciLib + PrintLib TimerLib UefiBootServicesTableLib UefiDriverEntryPoint diff --git a/OvmfPkg/QemuVideoDxe/VbeShim.asm b/OvmfPkg/QemuVideoDxe/VbeShim.asm new file mode 100644 index 0000000000..18fa9209d4 --- /dev/null +++ b/OvmfPkg/QemuVideoDxe/VbeShim.asm @@ -0,0 +1,287 @@ +;------------------------------------------------------------------------------ +; @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.
+; +; This program and the accompanying materials are licensed and made available +; under the terms and conditions of the BSD License which accompanies this +; distribution. The full text of the license may be found at +; http://opensource.org/licenses/bsd-license.php +; +; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT +; WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +; +;------------------------------------------------------------------------------ + +; 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 StrUnkownFunction +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 StrUnkownMode + 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 StrUnkownMode + 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 StrUnkownMode + 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 + +StrUnkownFunction: + 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 + +StrUnkownMode: + db 'Unkown Mode', 0x0a, 0 + +StrGetPmCapabilities: + db 'GetPmCapabilities', 0x0a, 0 + +StrReadEdid: + db 'ReadEdid', 0x0a, 0 +%endif diff --git a/OvmfPkg/QemuVideoDxe/VbeShim.c b/OvmfPkg/QemuVideoDxe/VbeShim.c new file mode 100644 index 0000000000..ae25b644cf --- /dev/null +++ b/OvmfPkg/QemuVideoDxe/VbeShim.c @@ -0,0 +1,275 @@ +/** @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: + + + + Copyright (C) 2014, Red Hat, Inc. + Copyright (c) 2013 - 2014, Intel Corporation. All rights reserved.
+ + This program and the accompanying materials are licensed and made available + under the terms and conditions of the BSD License which accompanies this + distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT + WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +**/ + +#include +#include +#include +#include + +#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 Status; + UINTN Pam1Address; + UINT8 Pam1; + UINTN SegmentCPages; + VBE_INFO *VbeInfoFull; + VBE_INFO_BASE *VbeInfo; + UINT8 *Ptr; + UINTN Printed; + VBE_MODE_INFO *VbeModeInfo; + + 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; + Status = gBS->AllocatePages (AllocateAddress, EfiBootServicesCode, + Segment0Pages, &Segment0); + + if (EFI_ERROR (Status)) { + 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 ((EFI_D_VERBOSE, "%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 ((EFI_D_VERBOSE, "%a: failed to allocate page at zero: %r\n", + __FUNCTION__, Status)); + } 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. + // + Pam1Address = PCI_LIB_ADDRESS (0, 0, 0, 0x5A); + // + // 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 durig 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 = SegmentC >> 4; + Int0x10->Offset = (EFI_PHYSICAL_ADDRESS)(UINTN)(VbeModeInfo + 1) - SegmentC; + + DEBUG ((EFI_D_INFO, "%a: VBE shim installed\n", __FUNCTION__)); +} diff --git a/OvmfPkg/QemuVideoDxe/VbeShim.h b/OvmfPkg/QemuVideoDxe/VbeShim.h new file mode 100644 index 0000000000..cc9b6e14cd --- /dev/null +++ b/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/OvmfPkg/QemuVideoDxe/VbeShim.sh b/OvmfPkg/QemuVideoDxe/VbeShim.sh new file mode 100755 index 0000000000..7a6eba63a5 --- /dev/null +++ b/OvmfPkg/QemuVideoDxe/VbeShim.sh @@ -0,0 +1,85 @@ +#!/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.
+# +# This program and the accompanying materials are licensed and made available +# under the terms and conditions of the BSD License which accompanies this +# distribution. The full text of the license may be found at +# http://opensource.org/licenses/bsd-license.php +# +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT +# WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +# +### + +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 diff --git a/OvmfPkg/README b/OvmfPkg/README index be798063a0..3243dc685c 100644 --- a/OvmfPkg/README +++ b/OvmfPkg/README @@ -17,6 +17,7 @@ Current capabilities: - Optional NIC support. Requires QEMU (0.12.2 or later) * UEFI Linux boots * UEFI Windows 8 boots +* UEFI Windows 7 & Windows 2008 Server boot (see important notes below!) === FUTURE PLANS === @@ -243,3 +244,13 @@ selectively. For example: GCC:*_*_*_CC_FLAGS = -UMDEPKG_NDEBUG } +=== UEFI Windows 7 & Windows 2008 Server === + +* One of the '-vga std' and '-vga qxl' QEMU options should be used. +* Only one video mode, 1024x768x32, is supported at OS runtime. +* The '-vga qxl' QEMU option is recommended. After booting the installed + guest OS, select the video card in Device Manager, and upgrade its driver + to the QXL XDDM one. Download location: + , Guest | Windows binaries. + This enables further resolutions at OS runtime, and provides S3 + (suspend/resume) capability.