machxbox.h File Reference

#include "mm.h"

Include dependency graph for machxbox.h:

Go to the source code of this file.

Macros
#define	MAX_XBOX_COM_PORTS   2
#define	LPC_IO_BASE   0x2E
#define	LPC_ENTER_CONFIG_KEY   0x55
#define	LPC_EXIT_CONFIG_KEY   0xAA
#define	LPC_DEVICE_SERIAL_PORT_1   0x4
#define	LPC_DEVICE_SERIAL_PORT_2   0x5
#define	LPC_CONFIG_DEVICE_NUMBER   0x07
#define	LPC_CONFIG_DEVICE_ACTIVATE   0x30
#define	LPC_CONFIG_DEVICE_BASE_ADDRESS_HIGH   0x60
#define	LPC_CONFIG_DEVICE_BASE_ADDRESS_LOW   0x61
#define	LPC_CONFIG_DEVICE_INTERRUPT   0x70
#define	NV2A_CONTROL_OFFSET   0xFD000000
#define	NV2A_CRTC_OFFSET   (0x600000 + NV2A_CONTROL_OFFSET)
#define	NV2A_CRTC_FRAMEBUFFER_START   (0x800 + NV2A_CRTC_OFFSET)
#define	NV2A_CRTC_REGISTER_INDEX   (0x13D4 + NV2A_CRTC_OFFSET)
#define	NV2A_CRTC_REGISTER_VALUE   (0x13D5 + NV2A_CRTC_OFFSET)
#define	NV2A_RAMDAC_OFFSET   (0x680000 + NV2A_CONTROL_OFFSET)
#define	NV2A_RAMDAC_FP_HVALID_END   (0x838 + NV2A_RAMDAC_OFFSET)
#define	NV2A_RAMDAC_FP_VVALID_END   (0x818 + NV2A_RAMDAC_OFFSET)

Functions
VOID	XboxMachInit (const char *CmdLine)
VOID	XboxConsPutChar (int Ch)
BOOLEAN	XboxConsKbHit (VOID)
int	XboxConsGetCh (VOID)
VOID	XboxVideoInit (VOID)
VOID	XboxVideoClearScreen (UCHAR Attr)
VIDEODISPLAYMODE	XboxVideoSetDisplayMode (char *DisplayModem, BOOLEAN Init)
VOID	XboxVideoGetDisplaySize (PULONG Width, PULONG Height, PULONG Depth)
ULONG	XboxVideoGetBufferSize (VOID)
VOID	XboxVideoGetFontsFromFirmware (PULONG RomFontPointers)
VOID	XboxVideoSetTextCursorPosition (UCHAR X, UCHAR Y)
VOID	XboxVideoHideShowTextCursor (BOOLEAN Show)
VOID	XboxVideoPutChar (int Ch, UCHAR Attr, unsigned X, unsigned Y)
VOID	XboxVideoCopyOffScreenBufferToVRAM (PVOID Buffer)
BOOLEAN	XboxVideoIsPaletteFixed (VOID)
VOID	XboxVideoSetPaletteColor (UCHAR Color, UCHAR Red, UCHAR Green, UCHAR Blue)
VOID	XboxVideoGetPaletteColor (UCHAR Color, UCHAR *Red, UCHAR *Green, UCHAR *Blue)
VOID	XboxVideoSync (VOID)
VOID	XboxVideoPrepareForReactOS (VOID)
VOID	XboxPrepareForReactOS (VOID)
VOID	XboxMemInit (VOID)
PFREELDR_MEMORY_DESCRIPTOR	XboxMemGetMemoryMap (ULONG *MemoryMapSize)
BOOLEAN	XboxDiskReadLogicalSectors (UCHAR DriveNumber, ULONGLONG SectorNumber, ULONG SectorCount, PVOID Buffer)
BOOLEAN	XboxDiskGetDriveGeometry (UCHAR DriveNumber, PGEOMETRY DriveGeometry)
ULONG	XboxDiskGetCacheableBlockCount (UCHAR DriveNumber)
TIMEINFO *	XboxGetTime (VOID)
PCONFIGURATION_COMPONENT_DATA	XboxHwDetect (VOID)
VOID	XboxHwIdle (VOID)
VOID	XboxSetLED (PCSTR Pattern)

Variables
UCHAR	XboxFont8x16 [256 *16]

Macro Definition Documentation

LPC_CONFIG_DEVICE_ACTIVATE

#define LPC_CONFIG_DEVICE_ACTIVATE   0x30

Definition at line 35 of file machxbox.h.

LPC_CONFIG_DEVICE_BASE_ADDRESS_HIGH

#define LPC_CONFIG_DEVICE_BASE_ADDRESS_HIGH   0x60

Definition at line 36 of file machxbox.h.

LPC_CONFIG_DEVICE_BASE_ADDRESS_LOW

#define LPC_CONFIG_DEVICE_BASE_ADDRESS_LOW   0x61

Definition at line 37 of file machxbox.h.

LPC_CONFIG_DEVICE_INTERRUPT

#define LPC_CONFIG_DEVICE_INTERRUPT   0x70

Definition at line 38 of file machxbox.h.

LPC_CONFIG_DEVICE_NUMBER

#define LPC_CONFIG_DEVICE_NUMBER   0x07

Definition at line 34 of file machxbox.h.

LPC_DEVICE_SERIAL_PORT_1

#define LPC_DEVICE_SERIAL_PORT_1   0x4

Definition at line 31 of file machxbox.h.

LPC_DEVICE_SERIAL_PORT_2

#define LPC_DEVICE_SERIAL_PORT_2   0x5

Definition at line 32 of file machxbox.h.

LPC_ENTER_CONFIG_KEY

#define LPC_ENTER_CONFIG_KEY   0x55

Definition at line 28 of file machxbox.h.

LPC_EXIT_CONFIG_KEY

#define LPC_EXIT_CONFIG_KEY   0xAA

Definition at line 29 of file machxbox.h.

LPC_IO_BASE

#define LPC_IO_BASE   0x2E

Definition at line 27 of file machxbox.h.

MAX_XBOX_COM_PORTS

#define MAX_XBOX_COM_PORTS   2

Definition at line 25 of file machxbox.h.

NV2A_CONTROL_OFFSET

#define NV2A_CONTROL_OFFSET   0xFD000000

Definition at line 40 of file machxbox.h.

NV2A_CRTC_FRAMEBUFFER_START

#define NV2A_CRTC_FRAMEBUFFER_START   (0x800 + NV2A_CRTC_OFFSET)

Definition at line 42 of file machxbox.h.

NV2A_CRTC_OFFSET

#define NV2A_CRTC_OFFSET   (0x600000 + NV2A_CONTROL_OFFSET)

Definition at line 41 of file machxbox.h.

NV2A_CRTC_REGISTER_INDEX

#define NV2A_CRTC_REGISTER_INDEX   (0x13D4 + NV2A_CRTC_OFFSET)

Definition at line 43 of file machxbox.h.

NV2A_CRTC_REGISTER_VALUE

#define NV2A_CRTC_REGISTER_VALUE   (0x13D5 + NV2A_CRTC_OFFSET)

Definition at line 44 of file machxbox.h.

NV2A_RAMDAC_FP_HVALID_END

#define NV2A_RAMDAC_FP_HVALID_END   (0x838 + NV2A_RAMDAC_OFFSET)

Definition at line 46 of file machxbox.h.

NV2A_RAMDAC_FP_VVALID_END

#define NV2A_RAMDAC_FP_VVALID_END   (0x818 + NV2A_RAMDAC_OFFSET)

Definition at line 47 of file machxbox.h.

NV2A_RAMDAC_OFFSET

#define NV2A_RAMDAC_OFFSET   (0x680000 + NV2A_CONTROL_OFFSET)

Definition at line 45 of file machxbox.h.

Function Documentation

XboxConsGetCh()

int XboxConsGetCh

(

VOID

)

Definition at line 66 of file xboxcons.c.

{
  /* No keyboard support yet */
  while (1)
    {
      ;
    }

  return 0;
}

Referenced by XboxMachInit().

XboxConsKbHit()

BOOLEAN XboxConsKbHit

(

VOID

)

Definition at line 59 of file xboxcons.c.

{
  /* No keyboard support yet */
  return FALSE;
}

Referenced by XboxMachInit().

XboxConsPutChar()

VOID XboxConsPutChar

(

int

Ch

)

Definition at line 26 of file xboxcons.c.

{
  ULONG Width;
  ULONG Height;
  ULONG Depth;

  if ('\r' == c)
    {
      CurrentCursorX = 0;
    }
  else if ('\n' == c)
    {
      CurrentCursorX = 0;
      CurrentCursorY++;
    }
  else if ('\t' == c)
    {
      CurrentCursorX = (CurrentCursorX + 8) & ~ 7;
    }
  else
    {
      XboxVideoPutChar(c, CurrentAttr, CurrentCursorX, CurrentCursorY);
      CurrentCursorX++;
    }
  XboxVideoGetDisplaySize(&Width, &Height, &Depth);
  if (Width <= CurrentCursorX)
    {
      CurrentCursorX = 0;
      CurrentCursorY++;
    }
}

Referenced by XboxMachInit().

XboxDiskGetCacheableBlockCount()

ULONG XboxDiskGetCacheableBlockCount

(

UCHAR

DriveNumber

)

Definition at line 516 of file xboxdisk.c.

{
    /* 64 seems a nice number, it is used by the machpc code for LBA devices */
    return 64;
}

Referenced by XboxMachInit().

XboxDiskGetDriveGeometry()

BOOLEAN XboxDiskGetDriveGeometry	(	UCHAR	DriveNumber,
		PGEOMETRY	DriveGeometry
	)

Definition at line 456 of file xboxdisk.c.

{
    IDE_DRIVE_IDENTIFY DrvParms;
    ULONG i;
    BOOLEAN Atapi;

    Atapi = FALSE; /* FIXME */
    /* Get the Drive Identify block from drive or die */
    if (!XboxDiskPolledRead(XBOX_IDE_COMMAND_PORT,
                            XBOX_IDE_CONTROL_PORT,
                            0,
                            1,
                            0,
                            0,
                            0,
                            ((DriveNumber & 0x0f) == 0 ? IDE_DH_DRV0 : IDE_DH_DRV1),
                            (Atapi ? IDE_CMD_IDENT_ATAPI_DRV : IDE_CMD_IDENT_ATA_DRV),
                            (PUCHAR) &DrvParms))
    {
        ERR("XboxDiskPolledRead() failed\n");
        return FALSE;
    }

    Geometry->Cylinders = DrvParms.LogicalCyls;
    Geometry->Heads = DrvParms.LogicalHeads;
    Geometry->Sectors = DrvParms.SectorsPerTrack;

    if (!Atapi && (DrvParms.Capabilities & IDE_DRID_LBA_SUPPORTED) != 0)
    {
        /* LBA ATA drives always have a sector size of 512 */
        Geometry->BytesPerSector = 512;
    }
    else
    {
        TRACE("BytesPerSector %d\n", DrvParms.BytesPerSector);
        if (DrvParms.BytesPerSector == 0)
        {
            Geometry->BytesPerSector = 512;
        }
        else
        {
            for (i = 1 << 15; i; i /= 2)
            {
                if ((DrvParms.BytesPerSector & i) != 0)
                {
                    Geometry->BytesPerSector = i;
                    break;
                }
            }
        }
    }
    TRACE("Cylinders %d\n", Geometry->Cylinders);
    TRACE("Heads %d\n", Geometry->Heads);
    TRACE("Sectors %d\n", Geometry->Sectors);
    TRACE("BytesPerSector %d\n", Geometry->BytesPerSector);

    return TRUE;
}

Referenced by XboxGetHarddiskConfigurationData(), and XboxMachInit().

XboxDiskReadLogicalSectors()

BOOLEAN XboxDiskReadLogicalSectors	(	UCHAR	DriveNumber,
		ULONGLONG	SectorNumber,
		ULONG	SectorCount,
		PVOID	Buffer
	)

Definition at line 413 of file xboxdisk.c.

{
    ULONG StartSector;
    UCHAR Count;

    if (DriveNumber < 0x80 || (DriveNumber & 0x0f) >= 2)
    {
        /* Xbox has only 1 IDE controller and no floppy */
        WARN("Invalid drive number\n");
        return FALSE;
    }

    if (((SectorNumber + SectorCount) & UINT64_C(0xfffffffff0000000)) != UINT64_C(0))
    {
        FIXME("48bit LBA required but not implemented\n");
        return FALSE;
    }

    StartSector = (ULONG) SectorNumber;
    while (SectorCount > 0)
    {
        Count = (SectorCount <= 255 ? (UCHAR)SectorCount : 255);
        if (!XboxDiskPolledRead(XBOX_IDE_COMMAND_PORT,
                                XBOX_IDE_CONTROL_PORT,
                                0, Count,
                                StartSector & 0xff,
                                (StartSector >> 8) & 0xff,
                                (StartSector >> 16) & 0xff,
                                ((StartSector >> 24) & 0x0f) | IDE_DH_LBA |
                                ((DriveNumber & 0x0f) == 0 ? IDE_DH_DRV0 : IDE_DH_DRV1),
                                IDE_CMD_READ,
                                Buffer))
        {
            return FALSE;
        }
        SectorCount -= Count;
        Buffer = (PVOID) ((PCHAR) Buffer + Count * IDE_SECTOR_BUF_SZ);
    }

    return TRUE;
}

Referenced by XboxMachInit().

XboxGetTime()

TIMEINFO* XboxGetTime

(

VOID

)

Definition at line 40 of file xboxrtc.c.

{
    static TIMEINFO TimeInfo;

    while (HalpQueryCMOS (RTC_REGISTER_A) & RTC_REG_A_UIP)
    {
        ;
    }

    TimeInfo.Second = BCD_INT(HalpQueryCMOS(0));
    TimeInfo.Minute = BCD_INT(HalpQueryCMOS(2));
    TimeInfo.Hour = BCD_INT(HalpQueryCMOS(4));
    TimeInfo.Day = BCD_INT(HalpQueryCMOS(7));
    TimeInfo.Month = BCD_INT(HalpQueryCMOS(8));
    TimeInfo.Year = BCD_INT(HalpQueryCMOS(9));
    if (TimeInfo.Year > 80)
        TimeInfo.Year += 1900;
    else
        TimeInfo.Year += 2000;

    return &TimeInfo;
}

Referenced by XboxMachInit().

XboxHwDetect()

PCONFIGURATION_COMPONENT_DATA XboxHwDetect

(

VOID

)

Definition at line 226 of file machxbox.c.

{
    PCONFIGURATION_COMPONENT_DATA SystemKey;
    ULONG BusNumber = 0;

    TRACE("DetectHardware()\n");

    /* Create the 'System' key */
    FldrCreateSystemKey(&SystemKey);

    GetHarddiskConfigurationData = XboxGetHarddiskConfigurationData;
    FindPciBios = XboxFindPciBios;

    /* TODO: Build actual xbox's hardware configuration tree */
    DetectPciBios(SystemKey, &BusNumber);
    DetectIsaBios(SystemKey, &BusNumber);

    TRACE("DetectHardware() Done\n");
    return SystemKey;
}

Referenced by XboxMachInit().

XboxHwIdle()

VOID XboxHwIdle

(

VOID

)

Definition at line 247 of file machxbox.c.

{
    /* UNIMPLEMENTED */
}

Referenced by XboxMachInit().

XboxMachInit()

VOID XboxMachInit

(

const char *

CmdLine

)

Definition at line 256 of file machxbox.c.

{
    /* Set LEDs to red before anything is initialized */
    XboxSetLED("rrrr");

    /* Initialize our stuff */
    XboxMemInit();
    XboxVideoInit();

    /* Setup vtbl */
    MachVtbl.ConsPutChar = XboxConsPutChar;
    MachVtbl.ConsKbHit = XboxConsKbHit;
    MachVtbl.ConsGetCh = XboxConsGetCh;
    MachVtbl.VideoClearScreen = XboxVideoClearScreen;
    MachVtbl.VideoSetDisplayMode = XboxVideoSetDisplayMode;
    MachVtbl.VideoGetDisplaySize = XboxVideoGetDisplaySize;
    MachVtbl.VideoGetBufferSize = XboxVideoGetBufferSize;
    MachVtbl.VideoGetFontsFromFirmware = XboxVideoGetFontsFromFirmware;
    MachVtbl.VideoSetTextCursorPosition = XboxVideoSetTextCursorPosition;
    MachVtbl.VideoHideShowTextCursor = XboxVideoHideShowTextCursor;
    MachVtbl.VideoPutChar = XboxVideoPutChar;
    MachVtbl.VideoCopyOffScreenBufferToVRAM = XboxVideoCopyOffScreenBufferToVRAM;
    MachVtbl.VideoIsPaletteFixed = XboxVideoIsPaletteFixed;
    MachVtbl.VideoSetPaletteColor = XboxVideoSetPaletteColor;
    MachVtbl.VideoGetPaletteColor = XboxVideoGetPaletteColor;
    MachVtbl.VideoSync = XboxVideoSync;
    MachVtbl.Beep = PcBeep;
    MachVtbl.PrepareForReactOS = XboxPrepareForReactOS;
    MachVtbl.GetMemoryMap = XboxMemGetMemoryMap;
    MachVtbl.GetExtendedBIOSData = XboxGetExtendedBIOSData;
    MachVtbl.GetFloppyCount = XboxGetFloppyCount;
    MachVtbl.DiskReadLogicalSectors = XboxDiskReadLogicalSectors;
    MachVtbl.DiskGetDriveGeometry = XboxDiskGetDriveGeometry;
    MachVtbl.DiskGetCacheableBlockCount = XboxDiskGetCacheableBlockCount;
    MachVtbl.GetTime = XboxGetTime;
    MachVtbl.InitializeBootDevices = PcInitializeBootDevices;
    MachVtbl.HwDetect = XboxHwDetect;
    MachVtbl.HwIdle = XboxHwIdle;

    /* Set LEDs to orange after init */
    XboxSetLED("oooo");
}

Referenced by MachInit().

XboxMemGetMemoryMap()

PFREELDR_MEMORY_DESCRIPTOR XboxMemGetMemoryMap

(

ULONG *

MemoryMapSize

)

Definition at line 104 of file xboxmem.c.

{
    TRACE("XboxMemGetMemoryMap()\n");
    /* FIXME: Obtain memory map via multiboot spec */

    /* Synthesize memory map */

    /* Available RAM block */
    SetMemory(XboxMemoryMap,
              0,
              AvailableMemoryMb * 1024 * 1024,
              LoaderFree);

    if (FrameBufferSize != 0)
    {
        /* Video memory */
        ReserveMemory(XboxMemoryMap,
                      (ULONG_PTR)FrameBuffer,
                      FrameBufferSize,
                      LoaderFirmwarePermanent,
                      "Video memory");
    }

    *MemoryMapSize = PcMemFinalizeMemoryMap(XboxMemoryMap);
    return XboxMemoryMap;
}

Referenced by XboxMachInit().

XboxMemInit()

VOID XboxMemInit

(

VOID

)

Definition at line 56 of file xboxmem.c.

{
    UCHAR ControlRegion[TEST_SIZE];
    PVOID MembaseTop = (PVOID)(64 * 1024 * 1024);
    PVOID MembaseLow = (PVOID)0;

    (*(PULONG)(0xfd000000 + 0x100200)) = 0x03070103;
    (*(PULONG)(0xfd000000 + 0x100204)) = 0x11448000;

    WRITE_PORT_ULONG((ULONG*) 0xcf8, CONFIG_CMD(0, 0, 0x84));
    WRITE_PORT_ULONG((ULONG*) 0xcfc, 0x7ffffff);             /* Prep hardware for 128 Mb */

    InstalledMemoryMb = 64;
    memset(ControlRegion, TEST_PATTERN1, TEST_SIZE);
    memset(MembaseTop, TEST_PATTERN1, TEST_SIZE);
    __wbinvd();

    if (memcmp(MembaseTop, ControlRegion, TEST_SIZE) == 0)
    {
        /* Looks like there is memory .. maybe a 128MB box */
        memset(ControlRegion, TEST_PATTERN2, TEST_SIZE);
        memset(MembaseTop, TEST_PATTERN2, TEST_SIZE);
        __wbinvd();
        if (memcmp(MembaseTop, ControlRegion, TEST_SIZE) == 0)
        {
            /* Definitely looks like there is memory */
            if (memcmp(MembaseLow, ControlRegion, TEST_SIZE) == 0)
            {
                /* Hell, we find the Test-string at 0x0 too! */
                InstalledMemoryMb = 64;
            }
            else
            {
                InstalledMemoryMb = 128;
            }
        }
    }

    /* Set hardware for amount of memory detected */
    WRITE_PORT_ULONG((ULONG*) 0xcf8, CONFIG_CMD(0, 0, 0x84));
    WRITE_PORT_ULONG((ULONG*) 0xcfc, InstalledMemoryMb * 1024 * 1024 - 1);

    AvailableMemoryMb = InstalledMemoryMb;
}

Referenced by XboxMachInit().

XboxPrepareForReactOS()

VOID XboxPrepareForReactOS

(

VOID

)

Definition at line 300 of file machxbox.c.

{
    /* On XBOX, prepare video and turn off the floppy motor */
    XboxVideoPrepareForReactOS();
    DiskStopFloppyMotor();
}

Referenced by XboxMachInit().

XboxSetLED()

VOID XboxSetLED

(

PCSTR

Pattern

)

Definition at line 198 of file xboxi2c.c.

                          {
    const char *x = pattern;
    int r, g;

    if(strlen(pattern) == 4) {
        r = g = 0;
        while (*x) {
            r *= 2;
            g *= 2;
            switch (*x) {
                case 'r':
                    r++;
                    break;
                case 'g':
                    g++;
                    break;
                case 'o':
                    r++;
                    g++;
                    break;
            }
            x++;
        }
        I2cSetFrontpanelLed(((r<<4) & 0xF0) + (g & 0xF));
    }
}

Referenced by XboxMachInit().

XboxVideoClearScreen()

VOID XboxVideoClearScreen

(

UCHAR

Attr

)

Definition at line 104 of file xboxvideo.c.

{
  ULONG FgColor, BgColor;

  XboxVideoAttrToColors(Attr, &FgColor, &BgColor);

  XboxVideoClearScreenColor(BgColor, FALSE);
}

Referenced by XboxMachInit().

XboxVideoCopyOffScreenBufferToVRAM()

VOID XboxVideoCopyOffScreenBufferToVRAM

(

PVOID

Buffer

)

Definition at line 205 of file xboxvideo.c.

{
  PUCHAR OffScreenBuffer = (PUCHAR) Buffer;
  ULONG Col, Line;

  for (Line = 0; Line < (ScreenHeight - 2 * TOP_BOTTOM_LINES) / CHAR_HEIGHT; Line++)
    {
      for (Col = 0; Col < ScreenWidth / CHAR_WIDTH; Col++)
        {
          XboxVideoPutChar(OffScreenBuffer[0], OffScreenBuffer[1], Col, Line);
          OffScreenBuffer += 2;
        }
    }
}

Referenced by XboxMachInit().

XboxVideoGetBufferSize()

ULONG XboxVideoGetBufferSize

(

VOID

)

Definition at line 181 of file xboxvideo.c.

{
  return (ScreenHeight - 2 * TOP_BOTTOM_LINES) / CHAR_HEIGHT * (ScreenWidth / CHAR_WIDTH) * 2;
}

Referenced by XboxMachInit().

XboxVideoGetDisplaySize()

VOID XboxVideoGetDisplaySize	(	PULONG	Width,
		PULONG	Height,
		PULONG	Depth
	)

Definition at line 173 of file xboxvideo.c.

{
  *Width = ScreenWidth / CHAR_WIDTH;
  *Height = (ScreenHeight - 2 * TOP_BOTTOM_LINES) / CHAR_HEIGHT;
  *Depth = 0;
}

Referenced by XboxConsPutChar(), and XboxMachInit().

XboxVideoGetFontsFromFirmware()

VOID XboxVideoGetFontsFromFirmware

(

PULONG

RomFontPointers

)

Definition at line 187 of file xboxvideo.c.

{
    TRACE("XboxVideoGetFontsFromFirmware(): UNIMPLEMENTED\n");
}

Referenced by XboxMachInit().

XboxVideoGetPaletteColor()

VOID XboxVideoGetPaletteColor	(	UCHAR	Color,
		UCHAR *	Red,
		UCHAR *	Green,
		UCHAR *	Blue
	)

Definition at line 233 of file xboxvideo.c.

{
  /* Not supported */
}

Referenced by XboxMachInit().

XboxVideoHideShowTextCursor()

VOID XboxVideoHideShowTextCursor

(

BOOLEAN

Show

)

Definition at line 199 of file xboxvideo.c.

{
  /* We don't have a cursor yet */
}

Referenced by XboxMachInit(), and XboxVideoPrepareForReactOS().

XboxVideoInit()

VOID XboxVideoInit

(

VOID

)

Definition at line 131 of file xboxvideo.c.

{
  /* Reuse framebuffer that was set up by firmware */
  FrameBuffer = (PVOID)*((PULONG) NV2A_CRTC_FRAMEBUFFER_START);
  /* Verify that framebuffer address is page-aligned */
  ASSERT((ULONG_PTR)FrameBuffer % PAGE_SIZE == 0);

  /* FIXME: obtain fb size from firmware somehow (Cromwell reserves high 4 MB of RAM) */
  FrameBufferSize = 4 * 1024 * 1024;

  ScreenWidth = *((PULONG) NV2A_RAMDAC_FP_HVALID_END) + 1;
  ScreenHeight = *((PULONG) NV2A_RAMDAC_FP_VVALID_END) + 1;
  /* Get BPP directly from NV2A CRTC (magic constants are from Cromwell) */
  BytesPerPixel = 8 * (((NvGetCrtc(0x19) & 0xE0) << 3) | (NvGetCrtc(0x13) & 0xFF)) / ScreenWidth;
  if (BytesPerPixel == 4)
  {
    ASSERT((NvGetCrtc(0x28) & 0xF) == BytesPerPixel - 1);
  }
  else
  {
    ASSERT((NvGetCrtc(0x28) & 0xF) == BytesPerPixel);
  }
  Delta = (ScreenWidth * BytesPerPixel + 3) & ~ 0x3;

  /* Verify screen resolution */
  ASSERT(ScreenWidth > 1);
  ASSERT(ScreenHeight > 1);
  ASSERT(BytesPerPixel >= 1 && BytesPerPixel <= 4);
  /* Verify that screen fits framebuffer size */
  ASSERT(ScreenWidth * ScreenHeight * BytesPerPixel <= FrameBufferSize);

  XboxVideoClearScreenColor(MAKE_COLOR(0, 0, 0), TRUE);
}

Referenced by XboxMachInit().

XboxVideoIsPaletteFixed()

BOOLEAN XboxVideoIsPaletteFixed

(

VOID

)

Definition at line 221 of file xboxvideo.c.

{
  return FALSE;
}

Referenced by XboxMachInit().

XboxVideoPrepareForReactOS()

VOID XboxVideoPrepareForReactOS

(

VOID

)

Definition at line 252 of file xboxvideo.c.

{
    XboxVideoClearScreenColor(MAKE_COLOR(0, 0, 0), TRUE);
    XboxVideoHideShowTextCursor(FALSE);
}

Referenced by XboxPrepareForReactOS().

XboxVideoPutChar()

VOID XboxVideoPutChar	(	int	Ch,
		UCHAR	Attr,
		unsigned	X,
		unsigned	Y
	)

Definition at line 114 of file xboxvideo.c.

{
  ULONG FgColor, BgColor;

  XboxVideoAttrToColors(Attr, &FgColor, &BgColor);

  XboxVideoOutputChar(Ch, X, Y, FgColor, BgColor);
}

Referenced by XboxConsPutChar(), XboxMachInit(), and XboxVideoCopyOffScreenBufferToVRAM().

XboxVideoSetDisplayMode()

VIDEODISPLAYMODE XboxVideoSetDisplayMode	(	char *	DisplayModem,
		BOOLEAN	Init
	)

Definition at line 166 of file xboxvideo.c.

{
  /* We only have one mode, semi-text */
  return VideoTextMode;
}

Referenced by XboxMachInit().

XboxVideoSetPaletteColor()

VOID XboxVideoSetPaletteColor	(	UCHAR	Color,
		UCHAR	Red,
		UCHAR	Green,
		UCHAR	Blue
	)

Definition at line 227 of file xboxvideo.c.

{
  /* Not supported */
}

Referenced by XboxMachInit().

XboxVideoSetTextCursorPosition()

VOID XboxVideoSetTextCursorPosition	(	UCHAR	X,
		UCHAR	Y
	)

Definition at line 193 of file xboxvideo.c.

{
  /* We don't have a cursor yet */
}

Referenced by XboxMachInit().

XboxVideoSync()

VOID XboxVideoSync

(

VOID

)

Definition at line 239 of file xboxvideo.c.

{
  /* Not supported */
}

Referenced by XboxMachInit().

Variable Documentation

XboxFont8x16

UCHAR XboxFont8x16[256 *16]

Definition at line 23 of file xboxfont.c.