machxbox.h File Reference

#include "mm.h"
#include <drivers/xbox/xgpu.h>

Include dependency graph for machxbox.h:

Go to the source code of this file.

Functions
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	XboxVideoScrollUp (VOID)
VOID	XboxPrepareForReactOS (VOID)
VOID	XboxMemInit (VOID)
PFREELDR_MEMORY_DESCRIPTOR	XboxMemGetMemoryMap (ULONG *MemoryMapSize)
VOID	XboxDiskInit (BOOLEAN Init)
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	BitmapFont8x16 [256 *16]

Function Documentation

XboxConsGetCh()

int XboxConsGetCh

(

VOID

)

Definition at line 76 of file xboxcons.c.

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

    return 0;
}

Referenced by MachInit().

XboxConsKbHit()

BOOLEAN XboxConsKbHit

(

VOID

)

Definition at line 69 of file xboxcons.c.

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

Referenced by MachInit().

XboxConsPutChar()

VOID XboxConsPutChar

(

int

Ch

)

Definition at line 26 of file xboxcons.c.

{
    ULONG Width, Height, Unused;
    BOOLEAN NeedScroll;

    XboxVideoGetDisplaySize(&Width, &Height, &Unused);

    NeedScroll = (CurrentCursorY >= Height);
    if (NeedScroll)
    {
        XboxVideoScrollUp();
        --CurrentCursorY;
    }

    if (c == '\r')
    {
        CurrentCursorX = 0;
    }
    else if (c == '\n')
    {
        CurrentCursorX = 0;

        if (!NeedScroll)
            ++CurrentCursorY;
    }
    else if (c == '\t')
    {
        CurrentCursorX = (CurrentCursorX + 8) & ~ 7;
    }
    else
    {
        XboxVideoPutChar(c, CurrentAttr, CurrentCursorX, CurrentCursorY);
        CurrentCursorX++;
    }

    if (CurrentCursorX >= Width)
    {
        CurrentCursorX = 0;
        CurrentCursorY++;
    }
}

Referenced by MachInit().

XboxDiskGetCacheableBlockCount()

ULONG XboxDiskGetCacheableBlockCount

(

UCHAR

DriveNumber

)

Definition at line 122 of file xboxdisk.c.

{
    PDEVICE_UNIT DeviceUnit;

    DeviceUnit = XboxDiskDriveNumberToDeviceUnit(DriveNumber);
    if (!DeviceUnit)
        return 1; // Unknown count.

    /*
     * If LBA is supported then the block size will be 64 sectors (32k).
     * If not then the block size is the size of one track.
     */
    if (DeviceUnit->Flags & ATA_DEVICE_LBA)
        return 64;
    else
        return DeviceUnit->Sectors;
}

Referenced by MachInit().

XboxDiskGetDriveGeometry()

BOOLEAN XboxDiskGetDriveGeometry	(	UCHAR	DriveNumber,
		PGEOMETRY	DriveGeometry
	)

Definition at line 103 of file xboxdisk.c.

{
    PDEVICE_UNIT DeviceUnit;

    TRACE("XboxDiskGetDriveGeometry(0x%x)\n", DriveNumber);

    DeviceUnit = XboxDiskDriveNumberToDeviceUnit(DriveNumber);
    if (!DeviceUnit)
        return FALSE;

    Geometry->Cylinders = DeviceUnit->Cylinders;
    Geometry->Heads = DeviceUnit->Heads;
    Geometry->Sectors = DeviceUnit->Sectors;
    Geometry->BytesPerSector = DeviceUnit->SectorSize;

    return TRUE;
}

Referenced by MachInit(), and XboxGetHarddiskConfigurationData().

XboxDiskInit()

VOID XboxDiskInit

(

BOOLEAN

Init

)

Definition at line 26 of file xboxdisk.c.

{
    UCHAR DetectedCount;
    UCHAR UnitNumber;
    PDEVICE_UNIT DeviceUnit = NULL;

    if (Init & !AtaInitialized)
    {
        /* Find first HDD and CD */
        AtaInit(&DetectedCount);
        for (UnitNumber = 0; UnitNumber <= DetectedCount; UnitNumber++)
        {
            DeviceUnit = AtaGetDevice(UnitNumber);
            if (DeviceUnit)
            {
                if (DeviceUnit->Flags & ATA_DEVICE_ATAPI)
                {
                    if (!CdDrive)
                        CdDrive = DeviceUnit;
                }
                else
                {
                    if (!HardDrive)
                        HardDrive = DeviceUnit;
                }
            }
        }
        AtaInitialized = TRUE;
    }
    else
    {
        AtaFree();
    }
}

Referenced by XboxDiskDriveNumberToDeviceUnit(), and XboxPrepareForReactOS().

XboxDiskReadLogicalSectors()

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

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 MachInit().

XboxHwDetect()

PCONFIGURATION_COMPONENT_DATA XboxHwDetect

(

VOID

)

Definition at line 271 of file machxbox.c.

{
    PCONFIGURATION_COMPONENT_DATA SystemKey;
    ULONG BusNumber = 0;

    TRACE("DetectHardware()\n");

    /* Create the 'System' key */
    FldrCreateSystemKey(&SystemKey);
    FldrSetIdentifier(SystemKey, "Original Xbox (PC/AT like)");

    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 MachInit().

XboxHwIdle()

VOID XboxHwIdle

(

VOID

)

Definition at line 293 of file machxbox.c.

{
    /* UNIMPLEMENTED */
}

Referenced by MachInit().

XboxMemGetMemoryMap()

PFREELDR_MEMORY_DESCRIPTOR XboxMemGetMemoryMap

(

ULONG *

MemoryMapSize

)

Definition at line 158 of file xboxmem.c.

{
    memory_map_t * MbMap;
    INT Count, i;

    TRACE("XboxMemGetMemoryMap()\n");

    MbMap = XboxGetMultibootMemoryMap(&Count);
    if (MbMap)
    {
        /* Obtain memory map via multiboot spec */

        for (i = 0; i < Count; i++, MbMap++)
        {
            TRACE("i = %d, base_addr_low = 0x%p, length_low = 0x%p\n", i, MbMap->base_addr_low, MbMap->length_low);

            if (MbMap->base_addr_high > 0 || MbMap->length_high > 0)
            {
                ERR("Memory descriptor base or size is greater than 4 GB, should not happen on Xbox!\n");
                ASSERT(FALSE);
            }

            SetMemory(XboxMemoryMap,
                      MbMap->base_addr_low,
                      MbMap->length_low,
                      XboxMultibootMemoryType(MbMap->type));
        }
    }
    else
    {
        /* 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 MachInit().

XboxMemInit()

VOID XboxMemInit

(

VOID

)

Definition at line 58 of file xboxmem.c.

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

    WRITE_REGISTER_ULONG((PULONG)(NvBase + NV2A_FB_CFG0), 0x03070103);
    WRITE_REGISTER_ULONG((PULONG)(NvBase + NV2A_FB_CFG0 + 4), 0x11448000);

    /* Prep hardware for 128 Mb */
    WRITE_PORT_ULONG((PULONG)0xCF8, CONFIG_CMD(0, 0, 0x84));
    WRITE_PORT_ULONG((PULONG)0xCFC, 0x7FFFFFF);

    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((PULONG)0xCF8, CONFIG_CMD(0, 0, 0x84));
    WRITE_PORT_ULONG((PULONG)0xCFC, InstalledMemoryMb * 1024 * 1024 - 1);

    AvailableMemoryMb = InstalledMemoryMb;
}

Referenced by MachInit().

XboxPrepareForReactOS()

VOID XboxPrepareForReactOS

(

VOID

)

Definition at line 367 of file machxbox.c.

{
    /* On Xbox, prepare video and disk support */
    XboxVideoPrepareForReactOS();
    XboxDiskInit(FALSE);
    DiskStopFloppyMotor();
    
    /* Turn off debug messages to screen */
    DebugDisableScreenPort();
}

Referenced by MachInit().

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 MachInit().

XboxVideoClearScreen()

VOID XboxVideoClearScreen

(

UCHAR

Attr

)

Definition at line 126 of file xboxvideo.c.

{
  ULONG FgColor, BgColor;

  XboxVideoAttrToColors(Attr, &FgColor, &BgColor);

  XboxVideoClearScreenColor(BgColor, FALSE);
}

Referenced by MachInit().

XboxVideoCopyOffScreenBufferToVRAM()

VOID XboxVideoCopyOffScreenBufferToVRAM

(

PVOID

Buffer

)

Definition at line 275 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 MachInit().

XboxVideoGetBufferSize()

ULONG XboxVideoGetBufferSize

(

VOID

)

Definition at line 251 of file xboxvideo.c.

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

Referenced by MachInit().

XboxVideoGetDisplaySize()

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

Definition at line 243 of file xboxvideo.c.

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

Referenced by MachInit(), and XboxConsPutChar().

XboxVideoGetFontsFromFirmware()

VOID XboxVideoGetFontsFromFirmware

(

PULONG

RomFontPointers

)

Definition at line 257 of file xboxvideo.c.

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

Referenced by MachInit().

XboxVideoGetPaletteColor()

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

Definition at line 303 of file xboxvideo.c.

{
  /* Not supported */
}

Referenced by MachInit().

XboxVideoHideShowTextCursor()

VOID XboxVideoHideShowTextCursor

(

BOOLEAN

Show

)

Definition at line 269 of file xboxvideo.c.

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

Referenced by MachInit(), and XboxVideoPrepareForReactOS().

XboxVideoInit()

VOID XboxVideoInit

(

VOID

)

Definition at line 196 of file xboxvideo.c.

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

  /* Obtain framebuffer memory size from multiboot memory map */
  if ((FrameBufferSize = XboxGetFramebufferSize(FrameBuffer)) == 0)
  {
    /* Fallback to Cromwell standard which reserves high 4 MB of RAM */
    FrameBufferSize = 4 * 1024 * 1024;
    WARN("Could not detect framebuffer memory size, fallback to 4 MB\n");
  }

  ScreenWidth = READ_REGISTER_ULONG(NvBase + NV2A_RAMDAC_FP_HVALID_END) + 1;
  ScreenHeight = READ_REGISTER_ULONG(NvBase + 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 MachInit().

XboxVideoIsPaletteFixed()

BOOLEAN XboxVideoIsPaletteFixed

(

VOID

)

Definition at line 291 of file xboxvideo.c.

{
  return FALSE;
}

Referenced by MachInit().

XboxVideoPrepareForReactOS()

VOID XboxVideoPrepareForReactOS

(

VOID

)

Definition at line 315 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 136 of file xboxvideo.c.

{
  ULONG FgColor, BgColor;

  XboxVideoAttrToColors(Attr, &FgColor, &BgColor);

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

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

XboxVideoScrollUp()

VOID XboxVideoScrollUp

(

VOID

)

Definition at line 108 of file xboxvideo.c.

{
    ULONG BgColor, Dummy;
    ULONG PixelCount = ScreenWidth * CHAR_HEIGHT *
                       (((ScreenHeight - 2 * TOP_BOTTOM_LINES) / CHAR_HEIGHT) - 1);
    PULONG Src = (PULONG)((PUCHAR)FrameBuffer + (CHAR_HEIGHT + TOP_BOTTOM_LINES) * Delta);
    PULONG Dst = (PULONG)((PUCHAR)FrameBuffer + TOP_BOTTOM_LINES * Delta);

    XboxVideoAttrToColors(ATTR(COLOR_WHITE, COLOR_BLACK), &Dummy, &BgColor);

    while (PixelCount--)
        *Dst++ = *Src++;

    for (PixelCount = 0; PixelCount < ScreenWidth * CHAR_HEIGHT; PixelCount++)
        *Dst++ = BgColor;
}

Referenced by XboxConsPutChar().

XboxVideoSetDisplayMode()

VIDEODISPLAYMODE XboxVideoSetDisplayMode	(	char *	DisplayModem,
		BOOLEAN	Init
	)

Definition at line 236 of file xboxvideo.c.

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

Referenced by MachInit().

XboxVideoSetPaletteColor()

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

Definition at line 297 of file xboxvideo.c.

{
  /* Not supported */
}

Referenced by MachInit().

XboxVideoSetTextCursorPosition()

VOID XboxVideoSetTextCursorPosition	(	UCHAR	X,
		UCHAR	Y
	)

Definition at line 263 of file xboxvideo.c.

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

Referenced by MachInit().

XboxVideoSync()

VOID XboxVideoSync

(

VOID

)

Definition at line 309 of file xboxvideo.c.

{
  /* Not supported */
}

Referenced by MachInit().

Variable Documentation

BitmapFont8x16

UCHAR BitmapFont8x16[256 *16]

Definition at line 12 of file vgafont.c.