[aandrejevic] 68508: [NTVDM] Start implementing VESA BIOS Extensions (VBE) for our emulated Cirrus Logic CL-GD5434.
21 Jul
2015
21 Jul
'15
12:46 a.m.
Author: aandrejevic
Date: Tue Jul 21 00:46:12 2015
New Revision: 68508
URL: http://svn.reactos.org/svn/reactos?rev=68508&view=rev
Log:
[NTVDM]
Start implementing VESA BIOS Extensions (VBE) for our emulated
Cirrus Logic CL-GD5434.
Added:
trunk/reactos/subsystems/mvdm/ntvdm/bios/bios32/vbe.c (with props)
trunk/reactos/subsystems/mvdm/ntvdm/bios/bios32/vbe.h (with props)
Modified:
trunk/reactos/subsystems/mvdm/ntvdm/bios/vidbios.c
trunk/reactos/subsystems/mvdm/ntvdm/hardware/video/svga.h
Added: trunk/reactos/subsystems/mvdm/ntvdm/bios/bios32/vbe.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/mvdm/ntvdm/bios…
==============================================================================
--- trunk/reactos/subsystems/mvdm/ntvdm/bios/bios32/vbe.c (added)
+++ trunk/reactos/subsystems/mvdm/ntvdm/bios/bios32/vbe.c [iso-8859-1] Tue Jul 21 00:46:12
2015
@@ -0,0 +1,189 @@
+/*
+ * COPYRIGHT: GPLv2+ - See COPYING in the top level directory
+ * PROJECT: ReactOS Virtual DOS Machine
+ * FILE: vbe.c
+ * PURPOSE: VDM VESA BIOS Extensions (for the Cirrus CL-GD5434 emulated card)
+ * PROGRAMMERS: Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
+ */
+
+/* INCLUDES *******************************************************************/
+
+#define NDEBUG
+
+#include "ntvdm.h"
+#include "emulator.h"
+#include "cpu/cpu.h"
+
+#include "vbe.h"
+
+#include "io.h"
+
+/* PRIVATE VARIABLES **********************************************************/
+
+static const VBE_MODE Modes[VBE_MODE_COUNT] = {
+ { 0x00, 0x00, NULL /* TODO */, NULL /* VGA */ },
+ { 0x01, 0x01, NULL /* TODO */, NULL /* VGA */ },
+ { 0x02, 0x02, NULL /* TODO */, NULL /* VGA */ },
+ { 0x03, 0x03, NULL /* TODO */, NULL /* VGA */ },
+ { 0x04, 0x04, NULL /* TODO */, NULL /* VGA */ },
+ { 0x05, 0x05, NULL /* TODO */, NULL /* VGA */ },
+ { 0x06, 0x06, NULL /* TODO */, NULL /* VGA */ },
+ { 0x07, 0x07, NULL /* TODO */, NULL /* VGA */ },
+ { 0x0D, 0x0D, NULL /* TODO */, NULL /* VGA */ },
+ { 0x0E, 0x0E, NULL /* TODO */, NULL /* VGA */ },
+ { 0x0F, 0x0F, NULL /* TODO */, NULL /* VGA */ },
+ { 0x10, 0x10, NULL /* TODO */, NULL /* VGA */ },
+ { 0x11, 0x11, NULL /* TODO */, NULL /* VGA */ },
+ { 0x12, 0x12, NULL /* TODO */, NULL /* VGA */ },
+ { 0x13, 0x13, NULL /* TODO */, NULL /* VGA */ },
+ { 0x14, 0xFFFF, NULL /* TODO */, NULL /* TODO */ },
+ { 0x54, 0x10A, NULL /* TODO */, NULL /* TODO */ },
+ { 0x55, 0x109, NULL /* TODO */, NULL /* TODO */ },
+ { 0x58, 0x102, NULL /* TODO */, NULL /* TODO */ },
+ { 0x5C, 0x103, NULL /* TODO */, NULL /* TODO */ },
+ { 0x5D, 0x104, NULL /* TODO */, NULL /* TODO */ },
+ { 0x5E, 0x100, NULL /* TODO */, NULL /* TODO */ },
+ { 0x5F, 0x101, NULL /* TODO */, NULL /* TODO */ },
+ { 0x60, 0x105, NULL /* TODO */, NULL /* TODO */ },
+ { 0x64, 0x111, NULL /* TODO */, NULL /* TODO */ },
+ { 0x65, 0x114, NULL /* TODO */, NULL /* TODO */ },
+ { 0x66, 0x110, NULL /* TODO */, NULL /* TODO */ },
+ { 0x67, 0x113, NULL /* TODO */, NULL /* TODO */ },
+ { 0x68, 0x116, NULL /* TODO */, NULL /* TODO */ },
+ { 0x69, 0x119, NULL /* TODO */, NULL /* TODO */ },
+ { 0x6C, 0x106, NULL /* TODO */, NULL /* TODO */ },
+ { 0x6D, 0x107, NULL /* TODO */, NULL /* TODO */ },
+ { 0x71, 0x112, NULL /* TODO */, NULL /* TODO */ },
+ { 0x72, 0xFFFF, NULL /* TODO */, NULL /* TODO */ },
+ { 0x73, 0xFFFF, NULL /* TODO */, NULL /* TODO */ },
+ { 0x74, 0x117, NULL /* TODO */, NULL /* TODO */ },
+ { 0x75, 0x11A, NULL /* TODO */, NULL /* TODO */ },
+ { 0x76, 0xFFFF, NULL /* TODO */, NULL /* TODO */ },
+ { 0x78, 0x115, NULL /* TODO */, NULL /* TODO */ },
+ { 0x79, 0x118, NULL /* TODO */, NULL /* TODO */ },
+};
+
+/* PUBLIC FUNCTIONS ***********************************************************/
+
+VOID WINAPI VbeService(LPWORD Stack)
+{
+ INT i;
+
+ switch (getAL())
+ {
+ /* Get VBE Information */
+ case 0x00:
+ {
+ VBE_INFORMATION Info;
+ PWORD Data = (PWORD)&Info;
+
+ /* Function recognized */
+ setAL(0x4F);
+
+ ZeroMemory(&Info, sizeof(VBE_INFORMATION));
+ Info.Signature = 'ASEV';
+ Info.Version = 0x0102;
+ Info.OemName = OEM_NAME_PTR;
+ Info.Capabilities = 0;
+ Info.ModeList = MAKELONG(LOWORD(getDI()
+ + FIELD_OFFSET(VBE_INFORMATION, ModeListBuffer)),
+ getES());
+ Info.VideoMemory = HIWORD(SVGA_BANK_SIZE * VGA_NUM_BANKS);
+
+ /* Fill the mode list */
+ for (i = 0; i < VBE_MODE_COUNT; i++)
+ {
+ /* Some modes don't have VESA numbers */
+ if (Modes[i].VesaNumber != 0xFFFF)
+ {
+ Info.ModeListBuffer[i] = Modes[i].VesaNumber;
+ }
+ }
+
+ Info.ModeListBuffer[VBE_MODE_COUNT] = 0xFFFF;
+
+ /* Copy the data to the caller */
+ for (i = 0; i < sizeof(VBE_INFORMATION) / sizeof(WORD); i++)
+ {
+ *(PWORD)SEG_OFF_TO_PTR(getES(), LOWORD(getDI() + i * 2)) = Data[i];
+ }
+
+ setAH(0);
+ break;
+ }
+
+ /* Get VBE Mode Information */
+ case 0x01:
+ {
+ WORD ModeNumber = getCX() & 0x1FF;
+ PWORD Data = NULL;
+
+ /* Function recognized */
+ setAL(0x4F);
+
+ /* Find the mode */
+ for (i = 0; i < VBE_MODE_COUNT; i++)
+ {
+ if ((!(ModeNumber & 0x100) && (ModeNumber ==
Modes[i].Number))
+ || ((ModeNumber & 0x100) && (ModeNumber ==
Modes[i].VesaNumber)))
+ {
+ Data = (PWORD)Modes[i].Info;
+
+ if (Data == NULL)
+ {
+ DPRINT1("WARNING: The mode information for mode %02X (%03X)
is missing!\n",
+ Modes[i].Number,
+ Modes[i].VesaNumber);
+ }
+ }
+ }
+
+ if (Data == NULL)
+ {
+ /* Mode not found */
+ setAH(1);
+ break;
+ }
+
+ /* Clear the buffer */
+ for (i = 0; i < 128; i++)
+ {
+ *(PWORD)SEG_OFF_TO_PTR(getES(), LOWORD(getDI() + i * 2)) = 0;
+ }
+
+ /* Copy the data to the caller */
+ for (i = 0; i < sizeof(VBE_MODE_INFO) / sizeof(WORD); i++)
+ {
+ *(PWORD)SEG_OFF_TO_PTR(getES(), LOWORD(getDI() + i * 2)) = Data[i];
+ }
+
+ setAH(0);
+ break;
+ }
+
+ default:
+ {
+ DPRINT1("VESA BIOS Extensions function %02Xh NOT IMPLEMENTED!\n",
getAL());
+ break;
+ }
+ }
+}
+
+BOOLEAN VbeInitialize(VOID)
+{
+ BOOLEAN Success;
+ BYTE SeqIndex = IOReadB(VGA_SEQ_INDEX);
+
+ /* Store the OEM name */
+ strcpy(FAR_POINTER(OEM_NAME_PTR), OEM_NAME);
+
+ /* Unlock SVGA extensions on the card */
+ IOWriteB(VGA_SEQ_INDEX, SVGA_SEQ_UNLOCK_REG);
+ IOWriteB(VGA_SEQ_DATA, SVGA_SEQ_UNLOCKED);
+
+ /* Check if it worked */
+ Success = IOReadB(VGA_SEQ_DATA) == SVGA_SEQ_UNLOCKED;
+
+ IOWriteB(VGA_SEQ_INDEX, SeqIndex);
+ return Success;
+}
Propchange: trunk/reactos/subsystems/mvdm/ntvdm/bios/bios32/vbe.c
------------------------------------------------------------------------------
svn:eol-style = native
Added: trunk/reactos/subsystems/mvdm/ntvdm/bios/bios32/vbe.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/mvdm/ntvdm/bios…
==============================================================================
--- trunk/reactos/subsystems/mvdm/ntvdm/bios/bios32/vbe.h (added)
+++ trunk/reactos/subsystems/mvdm/ntvdm/bios/bios32/vbe.h [iso-8859-1] Tue Jul 21 00:46:12
2015
@@ -0,0 +1,108 @@
+/*
+ * COPYRIGHT: GPLv2+ - See COPYING in the top level directory
+ * PROJECT: ReactOS Virtual DOS Machine
+ * FILE: vbe.h
+ * PURPOSE: VDM VESA BIOS Extensions (for the Cirrus CL-GD5434 emulated card)
+ * PROGRAMMERS: Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
+ */
+
+#ifndef _VBE_H_
+#define _VBE_H_
+
+#include "hardware/video/svga.h"
+
+/* DEFINITIONS ****************************************************************/
+
+#define OEM_NAME "Cirrus Logic GD-5434 VGA"
+#define OEM_NAME_PTR 0xF01D5091
+
+#define VBE_MODE_COUNT 40
+
+/* VBE Mode Attribute Flags */
+#define VBE_MODE_SUPPORTED (1 << 0)
+#define VBE_MODE_OPTIONAL_INFO (1 << 1)
+#define VBE_MODE_BIOS_SUPPORT (1 << 2)
+#define VBE_MODE_COLOR (1 << 3)
+#define VBE_MODE_GRAPHICS (1 << 4)
+
+/* VBE Window Attribute Flags */
+#define VBE_WINDOW_EXISTS (1 << 0)
+#define VBE_WINDOW_READABLE (1 << 1)
+#define VBE_WINDOW_WRITABLE (1 << 2)
+
+/* VBE Memory Models */
+#define VBE_MODEL_TEXT 0
+#define VBE_MODEL_CGA 1
+#define VBE_MODEL_HGC 2
+#define VBE_MODEL_EGA 3
+#define VBE_MODEL_PACKED 4
+#define VBE_MODEL_UNCHAINED 5
+#define VBE_MODEL_DIRECT 6
+#define VBE_MODEL_YUV 7
+
+#pragma pack(push, 1)
+
+typedef struct _VBE_INFORMATION
+{
+ DWORD Signature;
+ WORD Version;
+ DWORD OemName;
+ DWORD Capabilities;
+ DWORD ModeList;
+ WORD VideoMemory;
+ WORD ModeListBuffer[118];
+} VBE_INFORMATION, *PVBE_INFORMATION;
+
+C_ASSERT(sizeof(VBE_INFORMATION) == 256);
+
+typedef struct _VBE_MODE_INFO
+{
+ WORD Attributes;
+ BYTE WindowAttrA;
+ BYTE WindowAttrB;
+ WORD WindowGranularity;
+ WORD WindowSize;
+ WORD WindowSegmentA;
+ WORD WindowSegmentB;
+ DWORD WindowPosFunc;
+ WORD BytesPerScanline;
+ WORD Width;
+ WORD Height;
+ BYTE CellWidth;
+ BYTE CellHeight;
+ BYTE NumPlanes;
+ BYTE BitsPerPixel;
+ BYTE NumBanks;
+ BYTE MemoryModel;
+ BYTE BankSize;
+ BYTE ImagePages;
+ BYTE Reserved;
+ BYTE RedMaskSize;
+ BYTE RedFieldPosition;
+ BYTE GreenMaskSize;
+ BYTE GreenFieldPosition;
+ BYTE BlueMaskSize;
+ BYTE BlueFieldPosition;
+ BYTE ReservedMaskSize;
+ BYTE ReservedFieldPosition;
+ BYTE DirectColorInfo;
+} VBE_MODE_INFO, *PVBE_MODE_INFO;
+
+C_ASSERT(sizeof(VBE_MODE_INFO) % sizeof(WORD) == 0);
+
+#pragma pack(pop)
+
+typedef struct _VBE_MODE
+{
+ BYTE Number;
+ WORD VesaNumber;
+ PVBE_MODE_INFO Info;
+ PSVGA_REGISTERS Registers; // NULL means "forward to VGABIOS"
+} VBE_MODE, *PVBE_MODE;
+
+/* FUNCTIONS ******************************************************************/
+
+VOID WINAPI VbeService(LPWORD Stack);
+BOOLEAN VbeInitialize(VOID);
+
+#endif // _VBE_H_
Propchange: trunk/reactos/subsystems/mvdm/ntvdm/bios/bios32/vbe.h
------------------------------------------------------------------------------
svn:eol-style = native
Modified: trunk/reactos/subsystems/mvdm/ntvdm/bios/vidbios.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/mvdm/ntvdm/bios…
==============================================================================
--- trunk/reactos/subsystems/mvdm/ntvdm/bios/vidbios.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/mvdm/ntvdm/bios/vidbios.c [iso-8859-1] Tue Jul 21 00:46:12
2015
@@ -18,6 +18,7 @@
#include "memory.h"
#include "bios.h"
+#include "bios32/vbe.h"
// #include "vidbios.h"
#include "io.h"
@@ -1953,6 +1954,7 @@
(((ModeNumber) >= 0x00 && (ModeNumber) <= 0x03) || ((ModeNumber) ==
0x07))
static PVGA_STATIC_FUNC_TABLE VgaStaticFuncTable;
+static BOOLEAN VbeInitialized = FALSE;
/* PRIVATE FUNCTIONS **********************************************************/
@@ -3816,6 +3818,13 @@
break;
}
+ /* VESA BIOS Extensions */
+ case 0x4F:
+ {
+ if (VbeInitialized) VbeService(Stack);
+ break;
+ }
+
default:
{
DPRINT1("BIOS Function INT 10h, AH = 0x%02X, AL = 0x%02X, BH = 0x%02X
NOT IMPLEMENTED\n",
@@ -3909,6 +3918,10 @@
/* Register the BIOS support BOPs */
RegisterBop(BOP_VIDEO_INT, VidBiosVideoService);
+ /* Initialize VBE */
+ VbeInitialized = VbeInitialize();
+ if (!VbeInitialized) DPRINT1("Couldn't initialize VBE!\n");
+
return TRUE;
}
Modified: trunk/reactos/subsystems/mvdm/ntvdm/hardware/video/svga.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/mvdm/ntvdm/hard…
==============================================================================
--- trunk/reactos/subsystems/mvdm/ntvdm/hardware/video/svga.h [iso-8859-1] (original)
+++ trunk/reactos/subsystems/mvdm/ntvdm/hardware/video/svga.h [iso-8859-1] Tue Jul 21
00:46:12 2015
@@ -30,7 +30,7 @@
#define SVGA_IS_UNLOCKED (VgaSeqRegisters[SVGA_SEQ_UNLOCK_REG] == SVGA_SEQ_UNLOCKED)
#define SVGA_BANK_SIZE 0x100000
-#define SVGA_SEQ_MAX_UNLOCKED_REG (SVGA_IS_UNLOCKED ? SVGA_SEQ_MAX_REG :
VGA_SEQ_MAX_REG)
+#define SVGA_SEQ_MAX_UNLOCKED_REG (SVGA_IS_UNLOCKED ? SVGA_SEQ_MAX_REG :
SVGA_SEQ_EXT_MODE_REG)
#define SVGA_CRTC_MAX_UNLOCKED_REG (SVGA_IS_UNLOCKED ? SVGA_CRTC_MAX_REG :
VGA_CRTC_MAX_REG)
#define SVGA_GC_MAX_UNLOCKED_REG (SVGA_IS_UNLOCKED ? SVGA_GC_MAX_REG :
VGA_GC_MAX_REG)
@@ -358,6 +358,15 @@
UCHAR Attribute[VGA_AC_MAX_REG];
} VGA_REGISTERS, *PVGA_REGISTERS;
+typedef struct _SVGA_REGISTERS
+{
+ UCHAR Misc;
+ UCHAR Hidden;
+ UCHAR Sequencer[SVGA_SEQ_MAX_REG];
+ UCHAR CRT[SVGA_CRTC_MAX_REG];
+ UCHAR Graphics[SVGA_GC_MAX_REG];
+ UCHAR Attribute[VGA_AC_MAX_REG];
+} SVGA_REGISTERS, *PSVGA_REGISTERS;
/* FUNCTIONS ******************************************************************/
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