Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 342 insertions, 0 deletions

diff --git a/src/VBox/Devices/EFI/Firmware/OvmfPkg/Bhyve/BhyveRfbDxe/VbeShim.asm b/src/VBox/Devices/EFI/Firmware/OvmfPkg/Bhyve/BhyveRfbDxe/VbeShim.asm
new file mode 100644
index 00000000..83f0de13
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/OvmfPkg/Bhyve/BhyveRfbDxe/VbeShim.asm
@@ -0,0 +1,342 @@
+;------------------------------------------------------------------------------
+; @file
+; A minimal Int10h stub that allows the Windows 2008 R2 SP1 UEFI guest's buggy,
+; default VGA driver to switch to 1024x768x32.
+;
+; Copyright (C) 2020, Rebecca Cran <rebecca@bsdio.com>
+; Copyright (C) 2015, Nahanni Systems, Inc.
+; 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:
+VbeMode1:
+TIMES 50  nop
+VbeMode2:
+TIMES 50  nop
+VbeMode3:
+TIMES 50  nop
+VbeMode4:
+TIMES 50  nop
+TIMES 56  nop  ; filler for 256 bytes
+
+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, 0x013f
+  je         gKnownMode1
+  cmp        cx, 0x0140
+  je         gKnownMode2
+  cmp        cx, 0x0141
+  je         gKnownMode3
+
+  DebugLog   StrUnkownMode
+  jmp        Hang
+gKnownMode1:
+  DebugLog   StrMode1
+  mov        si, VbeMode1
+  jmp        CopyModeInfo
+gKnownMode2:
+  DebugLog   StrMode2
+  mov        si, VbeMode2
+  jmp        CopyModeInfo
+gKnownMode3:
+  DebugLog   StrMode3
+  mov        si, VbeMode3
+  jmp        CopyModeInfo
+gKnownMode4:
+  DebugLog   StrMode4
+  mov        si, VbeMode4
+  jmp        CopyModeInfo
+
+CopyModeInfo:
+  ; target (es:di) set on input
+  push       cs
+  pop        ds
+  ;mov        si, VbeModeInfo
+  ; source (ds:si) set now
+
+  ;mov        cx, 256
+  mov        cx, 50
+  cld
+  rep movsb
+
+  pop        cx
+  pop        si
+  pop        ds
+  pop        di
+  pop        es
+  jmp        Success
+
+
+SetMode:
+  push       dx
+  push       ax
+
+  DebugLog   StrEnterSetMode
+
+  and        bx, ~0x4000 ; clear potentially set LFB bit in mode number
+  cmp        bx, 0x013f
+  je         KnownMode1
+  cmp        bx, 0x0140
+  je         KnownMode2
+  cmp        bx, 0x0141
+  je         KnownMode3
+  DebugLog   StrUnkownMode
+  jmp        Hang
+KnownMode1:
+  DebugLog   StrMode1
+  jmp        SetModeDone
+KnownMode2:
+  DebugLog   StrMode2
+  jmp        SetModeDone
+KnownMode3:
+  DebugLog   StrMode3
+  jmp        SetModeDone
+KnownMode4:
+  DebugLog   StrMode4
+
+SetModeDone:
+  mov        [CurMode], bl
+  mov        [CurMode+1], bh
+  pop        ax
+  pop        dx
+  jmp        Success
+
+
+GetMode:
+  DebugLog   StrEnterGetMode
+  mov        bl, [CurMode]
+  mov        bh, [CurMode+1]
+  jmp        Success
+
+
+GetPmCapabilities:
+  DebugLog   StrGetPmCapabilities
+  mov        bx, 0x0080
+  jmp        Success
+
+
+ReadEdid:
+  push       es
+  push       di
+  push       ds
+  push       si
+  push       cx
+
+  DebugLog   StrReadEdid
+
+  ; target (es:di) set on input
+  push       cs
+  pop        ds
+  mov        si, Edid
+  ; source (ds:si) set now
+
+  mov        cx, 128
+  cld
+  rep movsb
+
+  pop        cx
+  pop        si
+  pop        ds
+  pop        di
+  pop        es
+  jmp        Success
+
+
+SetModeLegacy:
+  DebugLog   StrEnterSetModeLegacy
+
+  cmp        al, 0x03
+  je         sKnownMode3
+  cmp        al, 0x12
+  je         sKnownMode4
+  DebugLog   StrUnkownMode
+  jmp        Hang
+sKnownMode3:
+  DebugLog   StrLegacyMode3
+  mov        al, 0 ; 0x30
+  jmp        SetModeLegacyDone
+sKnownMode4:
+  mov        al, 0 ;0x20
+SetModeLegacyDone:
+  DebugLog   StrExitSuccess
+  iret
+
+
+Success:
+  DebugLog   StrExitSuccess
+  mov        ax, 0x004f
+  iret
+
+
+Unsupported:
+  DebugLog   StrExitUnsupported
+  mov        ax, 0x024f
+  iret
+
+
+%ifdef DEBUG
+PrintStringSi:
+  pusha
+  push       ds ; save original
+  push       cs
+  pop        ds
+  mov        dx, 0x220             ; bhyve debug cons port
+  mov        ax, 0
+PrintStringSiLoop:
+  lodsb
+  cmp        al, 0
+  je         PrintStringSiDone
+  out        dx, al
+  jmp        PrintStringSiLoop
+PrintStringSiDone:
+  pop        ds ; restore original
+  popa
+  ret
+
+
+StrExitSuccess:
+  db 'vOk', 0x0d, 0x0a, 0
+
+StrExitUnsupported:
+  db 'vUnsupported', 0x0d, 0x0a, 0
+
+StrUnkownFunction:
+  db 'vUnknown Function', 0x0d, 0x0a, 0
+
+StrEnterGetInfo:
+  db 'vGetInfo', 0x0d, 0x0a, 0
+
+StrEnterGetModeInfo:
+  db 'vGetModeInfo', 0x0d, 0x0a, 0
+
+StrEnterGetMode:
+  db 'vGetMode', 0x0d, 0x0a, 0
+
+StrEnterSetMode:
+  db 'vSetMode', 0x0d, 0x0a, 0
+
+StrEnterSetModeLegacy:
+  db 'vSetModeLegacy', 0x0d, 0x0a, 0
+
+StrUnkownMode:
+  db 'vUnkown Mode', 0x0d, 0x0a, 0
+
+StrGetPmCapabilities:
+  db 'vGetPmCapabilities', 0x0d, 0x0a, 0
+
+StrReadEdid:
+  db 'vReadEdid', 0x0d, 0x0a, 0
+
+StrLegacyMode3:
+  db 'vLegacyMode3', 0x0d, 0x0a, 0
+
+
+StrMode1:
+  db 'mode_640x480x32', 0x0d, 0x0a, 0
+StrMode2:
+  db 'mode_800x600x32', 0x0d, 0x0a, 0
+StrMode3:
+  db 'mode_1024x768x32', 0x0d, 0x0a, 0
+StrMode4:
+  db 'mode_unused', 0x0d, 0x0a, 0
+%endif
+
+CurMode:
+  db 0x00, 0x00
+
+;
+; EDID stores monitor information. For now, just send back an null item.
+;
+Edid:
+  db 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+  db 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+  db 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+  db 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+  db 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+  db 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+  db 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+  db 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+  db 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+  db 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+  db 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+  db 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+  db 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00