mach.c File Reference

#include "freeldr.h"
#include "machine.h"
#include "ppcmmu/mmu.h"
#include "of.h"
#include "prep.h"
#include "compat.h"

Include dependency graph for mach.c:

Go to the source code of this file.

Functions
void	BootMain (LPSTR CmdLine)
PCHAR	GetFreeLoaderVersionString ()
void	PpcOfwPutChar (int ch)
int	PpcFindDevice (int depth, int parent, char *devname, int *nth)
BOOLEAN	PpcConsKbHit ()
int	PpcConsGetCh ()
void	PpcVideoClearScreen (UCHAR Attr)
VOID	PpcVideoGetDisplaySize (PULONG Width, PULONG Height, PULONG Depth)
ULONG	PpcVideoGetBufferSize ()
VIDEODISPLAYMODE	PpcVideoSetDisplayMode (char *DisplayMode, BOOLEAN Init)
VOID	PpcVideoSetTextCursorPosition (ULONG X, ULONG Y)
VOID	PpcVideoHideShowTextCursor (BOOLEAN Show)
VOID	PpcVideoPutChar (int Ch, UCHAR Attr, unsigned X, unsigned Y)
VOID	PpcVideoCopyOffScreenBufferToVRAM (PVOID Buffer)
BOOLEAN	PpcVideoIsPaletteFixed ()
VOID	PpcVideoSetPaletteColor (UCHAR Color, UCHAR Red, UCHAR Green, UCHAR Blue)
VOID	PpcVideoGetPaletteColor (UCHAR Color, UCHAR *Red, UCHAR *Green, UCHAR *Blue)
VOID	PpcVideoSync ()
VOID	PpcInitializeMmu ()
ULONG	PpcPrepGetMemoryMap (PBIOS_MEMORY_MAP BiosMemoryMap, ULONG MaxMemoryMapSize)
ULONG	PpcGetMemoryMap (PBIOS_MEMORY_MAP BiosMemoryMap, ULONG MaxMemoryMapSize)
BOOLEAN	PpcDiskGetBootPath (PCHAR OutBootPath, ULONG Size)
BOOLEAN	PpcDiskReadLogicalSectors (ULONG DriveNumber, ULONGLONG SectorNumber, ULONG SectorCount, PVOID Buffer)
BOOLEAN	PpcDiskGetDriveGeometry (ULONG DriveNumber, PGEOMETRY DriveGeometry)
ULONG	PpcDiskGetCacheableBlockCount (ULONG DriveNumber)
TIMEINFO *	PpcGetTime (VOID)
VOID	NarrowToWide (WCHAR *wide_name, char *name)
VOID	OfwCopyDeviceTree (PCONFIGURATION_COMPONENT_DATA ParentKey, char *name, int innode, ULONG *BusNumber, ULONG *DiskController, ULONG *DiskNumber)
PCONFIGURATION_COMPONENT_DATA	PpcHwDetect ()
VOID	PpcHwIdle (VOID)
void	PpcDefaultMachVtbl ()
void	PpcOfwInit ()
void	PpcInit (of_proxy the_ofproxy)
void	MachInit (const char *CmdLine)
void	beep ()
UCHAR NTAPI	READ_PORT_UCHAR (PUCHAR Address)
void	WRITE_PORT_UCHAR (PUCHAR Address, UCHAR Value)
void	DiskStopFloppyMotor ()
void	BootOldLinuxKernel (unsigned long size)
void	BootNewLinuxKernel ()
void	ChainLoadBiosBootSectorCode ()
void	DbgBreakPoint ()

Variables
ULONG	CacheSizeLimit
of_proxy	ofproxy
void *	PageDirectoryStart
void *	PageDirectoryEnd
static int	chosen_package
static int	stdin_handle
static int	stdout_handle
static int	part_handle = -1
int	mmu_handle = 0
int	claimed [4]
BOOLEAN	AcpiPresent = FALSE
char	BootPath [0x100] = { 0 }
char	BootPart [0x100] = { 0 }
char	CmdLine [0x100] = { "bootprep" }
jmp_buf	jmp
volatile char *	video_mem = 0
int	mmu_initialized = 0
int	mem_range_end

Function Documentation

void beep

(

)

Definition at line 532 of file mach.c.

            {
}

void BootMain

(

LPSTR

CmdLine

)

Referenced by ArmInit(), PpcOfwInit(), PpcPrepInit(), and RealEntryPoint().

void BootNewLinuxKernel

(

)

Definition at line 550 of file mach.c.

                          {
    ofw_exit();
}

void BootOldLinuxKernel

(

unsigned long

size

)

Definition at line 546 of file mach.c.

                                              {
    ofw_exit();
}

void ChainLoadBiosBootSectorCode

(

)

Definition at line 554 of file mach.c.

                                   {
    ofw_exit();
}

void DbgBreakPoint

(

void

)

Definition at line 558 of file mach.c.

Referenced by __cxa_pure_virtual(), __declspec(), ARPTransmit(), BaseInitializeContext(), CsrApiRequestThread(), CsrCaptureArguments(), CsrIdentifyAlertableThread(), CsrSetPriorityClass(), CsrShutdownProcesses(), CsrValidateMessageBuffer(), DbgUiRemoteBreakin(), DeviceInterfaceChangeCallback(), Dispatch_fnDeviceIoControl(), DriverEntry(), ExAllocatePoolWithTag(), ExpInsertPoolTracker(), ExpRemovePoolTracker(), ExpWaitForResource(), FatalExit(), FatCompleteRequest_Real(), FatExceptionFilter(), FatMultiAsyncCompletionRoutine(), FatMultiSyncCompletionRoutine(), FatSingleAsyncCompletionRoutine(), FatSingleSyncCompletionRoutine(), HalClearSoftwareInterrupt(), HalpAddDevice(), HalpGetParameters(), HalpOpcodeInvalid(), HalRequestSoftwareInterrupt(), HalReturnToFirmware(), IKsPin_PinStatePropertyHandler(), KeFlushIoBuffers(), KeStartThread(), KeUpdateRunTime(), KiCheckTimerTable(), KiIpiServiceRoutine(), KiRaiseException(), KsPinAttemptProcessing(), KsStreamPointerAdvance(), KsStreamPointerAdvanceOffsets(), KsStreamPointerAdvanceOffsetsAndUnlock(), KsStreamPointerDelete(), KsStreamPointerGetNextClone(), LdrpInitializeProcess(), LdrpRunInitializeRoutines(), MiSubsectionConsistent(), NdisInitializeWrapper(), NtProcessStartup(), ObInsertObject(), OHCI_InsertEndpointInSchedule(), OHCI_PollAsyncEndpoint(), OHCI_QueryEndpointRequirements(), OHCI_RemoveEndpointFromSchedule(), PciBeginStateTransition(), PciDispatchIrp(), PcRegisterSubdevice(), PinPropertyHandler(), PspCatchCriticalBreak(), Reboot(), RtlApplicationVerifierStop(), RtlAssert(), RtlInterlockedPushListSList(), RtlpDphAllocateVm(), RtlpDphEnterCriticalSection(), RtlpDphFreeVm(), RtlpDphPointerFromHandle(), RtlpDphProtectVm(), RtlpDphRemoveFromAvailableList(), RtlpPageHeapAllocate(), RtlpPageHeapDestroy(), RtlpPageHeapFree(), RxAssert(), SetLastError(), SmpAllocateSessionId(), SmpUnhandledExceptionFilter(), SpiParseDeviceInfo(), StreamClassDebugAssert(), USBH_ChangeIndicationWorker(), USBH_CompletePortWakeIrpsWorker(), USBH_DeviceControl(), USBH_FdoIdleNotificationCallback(), USBH_FdoPower(), USBH_FdoQueryBusRelations(), USBH_FdoStartDevice(), USBH_FdoStopDevice(), USBH_FdoWWIrpIoCompletion(), USBH_FlushPortPwrList(), USBH_HubCompleteQueuedPortIdleIrps(), USBH_HubCompleteQueuedPortWakeIrps(), USBH_HubDispatch(), USBH_HubQueuePortIdleIrps(), USBH_HubQueuePortWakeIrps(), USBH_PdoDispatch(), USBH_PdoInternalControl(), USBH_PdoPnP(), USBH_PdoStopDevice(), USBH_PdoUrbFilter(), USBH_PowerIrpCompletion(), USBH_ProcessPortStateChange(), USBH_SelectConfigOrInterfaceComplete(), USBHUB_IrpStub(), USBPORT_AllocateBandwidthUSB2(), USBPORT_Dispatch(), USBPORT_DmaEndpointWorker(), USBPORT_PdoDevicePowerState(), USBPORT_RestoreDevice(), USBPORT_RootHubClassCommand(), USBPORT_RootHubCreateDevice(), USBPORT_SplitBulkInterruptTransfer(), USBPORT_StopDevice(), UserLoadKbdDll(), WdmAudControlOpenMixer(), and wmain().

                     {
    __asm__("twi 31,0,0");
}

void DiskStopFloppyMotor

(

)

Definition at line 543 of file mach.c.

                           {
}

PCHAR GetFreeLoaderVersionString

(

)

Referenced by PpcOfwInit(), PpcPrepInit(), and TuiDrawBackdrop().

void MachInit

(

const char *

CmdLine

)

Definition at line 491 of file mach.c.

                                   {
    int i, len;
    char *sep;

    BootPart[0] = 0;
    BootPath[0] = 0;

    printf( "Determining boot device: [%s]\n", CmdLine );

    sep = NULL;
    for( i = 0; i < strlen(CmdLine); i++ ) {
    if( strncmp(CmdLine + i, "boot=", 5) == 0) {
        strcpy(BootPart, CmdLine + i + 5);
        sep = strchr(BootPart, ',');
        if( sep )
        *sep = 0;
        while(CmdLine[i] && CmdLine[i]!=',') i++;
    }
    }

    if( strlen(BootPart) == 0 ) {
    if (ofproxy)
            len = ofw_getprop(chosen_package, "bootpath",
                              BootPath, sizeof(BootPath));
    else
            len = 0;
    if( len < 0 ) len = 0;
    BootPath[len] = 0;
    printf( "Boot Path: %s\n", BootPath );

    sep = strrchr(BootPath, ',');

    strcpy(BootPart, BootPath);
    if( sep ) {
        BootPart[sep - BootPath] = 0;
    }
    }

    printf( "FreeLDR starting (boot partition: %s)\n", BootPart );
}

VOID NarrowToWide	(	WCHAR *	wide_name,
		char *	name
	)

Definition at line 305 of file mach.c.

Referenced by OfwCopyDeviceTree().

{
    char *copy_name;
    WCHAR *wide_name_ptr;
    for (wide_name_ptr = wide_name, copy_name = name;
         (*wide_name_ptr = *copy_name);
         wide_name_ptr++, copy_name++);
}

VOID OfwCopyDeviceTree	(	PCONFIGURATION_COMPONENT_DATA	ParentKey,
		char *	name,
		int	innode,
		ULONG *	BusNumber,
		ULONG *	DiskController,
		ULONG *	DiskNumber
	)

Definition at line 330 of file mach.c.

Referenced by PpcHwDetect().

{
    int proplen = 0, node = innode;
    char *prev_name, cur_name[64], data[256], *slash, devtype[64];
    wchar_t wide_name[64];
    PCONFIGURATION_COMPONENT_DATA NewKey;

    NarrowToWide(wide_name, name);

    /* Create a key for this device */
    FldrCreateComponentKey
        (ParentKey,
         AdapterClass,
         MultiFunctionAdapter,
         0,
         0,
         (ULONG)-1,
         NULL,
         NULL,
         0,
         &NewKey);

    /* Add properties */
    for (prev_name = ""; ofw_nextprop(node, prev_name, cur_name) == 1; )
    {
        proplen = ofw_getproplen(node, cur_name);
        if (proplen > 256 || proplen < 0)
        {
            printf("Warning: not getting prop %s (too long: %d)\n",
                   cur_name, proplen);
            continue;
        }
        ofw_getprop(node, cur_name, data, sizeof(data));

        /* Get device type so we can examine it */
        if (!strcmp(cur_name, "device_type"))
            strcpy(devtype, (char *)data);

        NarrowToWide(wide_name, cur_name);
        //RegSetValue(NewKey, wide_name, REG_BINARY, data, proplen);

        strcpy(data, cur_name);
        prev_name = data;
    }

#if 0
    /* Special device handling */
    if (!strcmp(devtype, "ata"))
    {
        OfwHandleDiskController(NewKey, node, *DiskController);
        (*DiskController)++;
        *DiskNumber = 0;
    }
    else if (!strcmp(devtype, "disk"))
    {
        OfwHandleDiskObject(NewKey, node, *DiskController, *DiskNumber);
        (*DiskNumber)++;
    }
#endif

    /* Subdevices */
    for (node = ofw_child(node); node; node = ofw_peer(node))
    {
        ofw_package_to_path(node, data, sizeof(data));
        slash = strrchr(data, '/');
        if (slash) slash++; else continue;
        OfwCopyDeviceTree
            (NewKey, slash, node, BusNumber, DiskController, DiskNumber);
    }
}

int PpcConsGetCh

(

)

Definition at line 89 of file mach.c.

Referenced by PpcDefaultMachVtbl().

                   {
    char buf;
    ofw_read( stdin_handle, &buf, 1 );
    return buf;
}

BOOLEAN PpcConsKbHit

(

)

Definition at line 85 of file mach.c.

Referenced by PpcDefaultMachVtbl().

                       {
    return FALSE;
}

void PpcDefaultMachVtbl

(

)

Definition at line 423 of file mach.c.

Referenced by PpcInit().

{
    MachVtbl.ConsPutChar = PpcOfwPutChar;
    MachVtbl.ConsKbHit   = PpcConsKbHit;
    MachVtbl.ConsGetCh   = PpcConsGetCh;
    MachVtbl.VideoClearScreen = PpcVideoClearScreen;
    MachVtbl.VideoSetDisplayMode = PpcVideoSetDisplayMode;
    MachVtbl.VideoGetDisplaySize = PpcVideoGetDisplaySize;
    MachVtbl.VideoGetBufferSize = PpcVideoGetBufferSize;
    MachVtbl.VideoSetTextCursorPosition = PpcVideoSetTextCursorPosition;
    MachVtbl.VideoHideShowTextCursor = PpcVideoHideShowTextCursor;
    MachVtbl.VideoPutChar = PpcVideoPutChar;
    MachVtbl.VideoCopyOffScreenBufferToVRAM =
        PpcVideoCopyOffScreenBufferToVRAM;
    MachVtbl.VideoIsPaletteFixed = PpcVideoIsPaletteFixed;
    MachVtbl.VideoSetPaletteColor = PpcVideoSetPaletteColor;
    MachVtbl.VideoGetPaletteColor = PpcVideoGetPaletteColor;
    MachVtbl.VideoSync = PpcVideoSync;

    MachVtbl.GetMemoryMap = PpcGetMemoryMap;

    MachVtbl.DiskGetBootPath = PpcDiskGetBootPath;
    MachVtbl.DiskReadLogicalSectors = PpcDiskReadLogicalSectors;
    MachVtbl.DiskGetDriveGeometry = PpcDiskGetDriveGeometry;
    MachVtbl.DiskGetCacheableBlockCount = PpcDiskGetCacheableBlockCount;

    MachVtbl.GetTime = PpcGetTime;

    MachVtbl.HwDetect = PpcHwDetect;
    MachVtbl.HwIdle = PpcHwIdle;
}

BOOLEAN PpcDiskGetBootPath	(	PCHAR	OutBootPath,
		ULONG	Size
	)

Definition at line 250 of file mach.c.

Referenced by PpcDefaultMachVtbl().

                                                          {
    strncpy( OutBootPath, BootPath, Size );
    return TRUE;
}

ULONG PpcDiskGetCacheableBlockCount

(

ULONG

DriveNumber

)

Definition at line 292 of file mach.c.

Referenced by PpcDefaultMachVtbl().

                                                         {
    printf("GetCacheableBlockCount\n");
    return 1;
}

BOOLEAN PpcDiskGetDriveGeometry	(	ULONG	DriveNumber,
		PGEOMETRY	DriveGeometry
	)

Definition at line 284 of file mach.c.

Referenced by PpcDefaultMachVtbl().

                                                                              {
    printf("GetGeometry(%d)\n", DriveNumber);
    DriveGeometry->BytesPerSector = 512;
    DriveGeometry->Heads = 16;
    DriveGeometry->Sectors = 63;
    return TRUE;
}

BOOLEAN PpcDiskReadLogicalSectors	(	ULONG	DriveNumber,
		ULONGLONG	SectorNumber,
		ULONG	SectorCount,
		PVOID	Buffer
	)

Definition at line 255 of file mach.c.

Referenced by PpcDefaultMachVtbl().

                                                     {
    int rlen = 0;

    if( part_handle == -1 ) {
    part_handle = ofw_open( BootPart );

    if( part_handle == -1 ) {
        printf("Could not open any disk devices we know about\n");
        return FALSE;
    }
    }

    if( part_handle == -1 ) {
    printf("Got partition handle %x\n", part_handle);
    return FALSE;
    }

    if( ofw_seek( part_handle,
           (ULONG)(SectorNumber >> 25),
           (ULONG)((SectorNumber * 512) & 0xffffffff) ) ) {
    printf("Seek to %x failed\n", (ULONG)(SectorNumber * 512));
    return FALSE;
    }

    rlen = ofw_read( part_handle, Buffer, (ULONG)(SectorCount * 512) );
    return rlen > 0;
}

int PpcFindDevice	(	int	depth,
		int	parent,
		char *	devname,
		int *	nth
	)

Definition at line 47 of file mach.c.

                                                                    {
    static char buf[256];
    int next = 0;
    int gotname = 0;
    int match = 0;
    int i;

    next = ofw_child( parent );

    //printf( "next = %x\n", next );

    gotname = ofw_getprop(parent, "name", buf, 256);

    //printf( "gotname = %d\n", gotname );

    match = !strncmp(buf, devname, strlen(devname));

    if( !nth && match ) return parent;

    for( i = 0; i < depth; i++ ) PpcOfwPutChar( ' ' );

    if( depth == 1 ) {
    if( gotname > 0 ) {
        printf( "%c Name: %s\n", match ? '*' : ' ', buf );
    } else {
        printf( "- No name attribute for %x\n", parent );
    }
    }

    while( !match && next ) {
        i = PpcFindDevice( depth+1, next, devname, nth );
    if( i ) return i;
        next = ofw_peer( next );
    }

    return 0;
}

ULONG PpcGetMemoryMap	(	PBIOS_MEMORY_MAP	BiosMemoryMap,
		ULONG	MaxMemoryMapSize
	)

Definition at line 187 of file mach.c.

Referenced by PpcDefaultMachVtbl().

                                                {
    int i, memhandle, total = 0, slots = 0, last = 0x40000, allocstart = 0x1000000;
    int regdata[0x40];

    printf("PpcGetMemoryMap(%d)\n", MaxMemoryMapSize);

    memhandle = ofw_finddevice("/memory");

    ofw_getprop(memhandle, "reg", (char *)regdata, sizeof(regdata));

    /* Try to claim some memory in usable blocks.  Try to get some 8mb bits */
    for( i = 0; i < sizeof(claimed) / sizeof(claimed[0]); ) {
        if (!claimed[i])
            claimed[i] = ofw_claim(allocstart, 8 * 1024 * 1024, 0x1000);

        allocstart += 8 * 1024 * 1024;

        if (claimed[i]) {
            if (last < claimed[i]) {
                BiosMemoryMap[slots].Type = BiosMemoryAcpiReclaim;
                BiosMemoryMap[slots].BaseAddress = last;
                BiosMemoryMap[slots].Length = claimed[i] - last;
                slots++;
            }

            BiosMemoryMap[slots].Type = BiosMemoryUsable;
            BiosMemoryMap[slots].BaseAddress = claimed[i];
            BiosMemoryMap[slots].Length = 8 * 1024 * 1024;

            total += BiosMemoryMap[slots].Length;
            last =
                BiosMemoryMap[slots].BaseAddress +
                BiosMemoryMap[slots].Length;
            slots++;
            i++;
        }
    }

    /* Get the rest until the end of the memory object as we see it */
    if (last < regdata[1]) {
        BiosMemoryMap[slots].Type = BiosMemoryAcpiReclaim;
        BiosMemoryMap[slots].BaseAddress = last;
        BiosMemoryMap[slots].Length = regdata[1] - last;
        slots++;
    }

    for (i = 0; i < slots; i++) {
        printf("MemoryMap[%d] = (%x:%x)\n",
               i,
               (int)BiosMemoryMap[i].BaseAddress,
               (int)BiosMemoryMap[i].Length);

    }

    mem_range_end = regdata[1];

    printf( "Returning memory map (%d entries, %dk free, %dk total ram)\n",
            slots, total / 1024, regdata[1] / 1024 );

    return slots;
}

TIMEINFO* PpcGetTime

(

VOID

)

Definition at line 298 of file mach.c.

Referenced by PpcDefaultMachVtbl().

{
    static TIMEINFO TimeInfo;
    //printf("PpcGetTime\n");
    return &TimeInfo;
}

PCONFIGURATION_COMPONENT_DATA PpcHwDetect

(

)

Definition at line 406 of file mach.c.

Referenced by PpcDefaultMachVtbl().

                                            {
    PCONFIGURATION_COMPONENT_DATA RootKey;
    ULONG BusNumber = 0, DiskController = 0, DiskNumber = 0;
    int node = ofw_finddevice("/");

    FldrCreateSystemKey(&RootKey);

    OfwCopyDeviceTree(RootKey,"/",node,&BusNumber,&DiskController,&DiskNumber);
    return RootKey;
}

VOID PpcHwIdle

(

VOID

)

Definition at line 418 of file mach.c.

Referenced by PpcDefaultMachVtbl().

{
    /* UNIMPLEMENTED */
}

void PpcInit

(

of_proxy

the_ofproxy

)

Definition at line 482 of file mach.c.

                                     {
    // Hack to be a bit easier on ram
    CacheSizeLimit = 64 * 1024;
    ofproxy = the_ofproxy;
    PpcDefaultMachVtbl();
    if(ofproxy) PpcOfwInit();
    else PpcPrepInit();
}

VOID PpcInitializeMmu

(

)

Definition at line 169 of file mach.c.

{
    if(!mmu_initialized)
    {
    MmuInit();
    MmuDbgInit(0, 0x800003f8);
        MmuSetMemorySize(mem_range_end);
        //MmuDbgEnter(0x20);
    mmu_initialized = 1;
    }
}

void PpcOfwInit

(

)

Definition at line 455 of file mach.c.

Referenced by PpcInit().

{
    chosen_package = ofw_finddevice( "/chosen" );

    ofw_getprop(chosen_package, "bootargs",
        CmdLine, sizeof(CmdLine));
    ofw_getprop( chosen_package, "stdin",
         (char *)&stdin_handle, sizeof(stdin_handle) );
    ofw_getprop( chosen_package, "stdout",
         (char *)&stdout_handle, sizeof(stdout_handle) );
    ofw_getprop( chosen_package, "mmu",
         (char *)&mmu_handle, sizeof(mmu_handle) );

    // Allow forcing prep for broken OFW
    if(!strncmp(CmdLine, "bootprep", 8))
    {
    printf("Going to PREP init...\n");
        ofproxy = NULL;
    PpcPrepInit();
    return;
    }

    printf( "FreeLDR version [%s]\n", GetFreeLoaderVersionString() );

    BootMain( CmdLine );
}

void PpcOfwPutChar

(

int

ch

)

Definition at line 39 of file mach.c.

Referenced by PpcDefaultMachVtbl(), and PpcFindDevice().

                             {
    char buf[3];
    if( ch == 0x0a ) { buf[0] = 0x0d; buf[1] = 0x0a; }
    else { buf[0] = ch; buf[1] = 0; }
    buf[2] = 0;
    ofw_write(stdout_handle, buf, strlen(buf));
}

ULONG PpcPrepGetMemoryMap	(	PBIOS_MEMORY_MAP	BiosMemoryMap,
		ULONG	MaxMemoryMapSize
	)

Definition at line 67 of file prep.c.

Referenced by PpcPrepInit().

{
    // Probe memory
    paddr_t physAddr;
    register int oldStore = 0, newStore = 0, change = 0, oldmsr;

    __asm__("mfmsr %0\n" : "=r" (oldmsr));
    change = oldmsr & 0x6fff;
    __asm__("mtmsr %0\n" : : "r" (change));

    // Find the last ram address in physical space ... this bypasses mapping
    // but could run into non-ram objects right above ram.  Usually systems
    // aren't designed like that though.
    for (physAddr = 0x40000, change = newStore;
         (physAddr < 0x80000000) && (change == newStore);
         physAddr += 1 << 12)
    {
        oldStore = GetPhys(physAddr);
        newStore = (physAddr & 0x1000) ? 0x55aa55aa : 0xaa55aa55;
        SetPhys(physAddr, newStore);
        change = GetPhys(physAddr);
        SetPhys(physAddr, oldStore);
    }
    // Back off by one page
    physAddr -= 0x1000;
    BiosMemoryMap[0].BaseAddress = 0x30000; // End of ppcmmu
    BiosMemoryMap[0].Type = BiosMemoryUsable;
    BiosMemoryMap[0].Length = physAddr - BiosMemoryMap[0].BaseAddress;

    __asm__("mtmsr %0\n" : : "r" (oldmsr));

    mem_range_end = physAddr;

    printf("Actual RAM: %d Mb\n", physAddr >> 20);
    return 1;
}

void PpcVideoClearScreen

(

UCHAR

Attr

)

Definition at line 95 of file mach.c.

Referenced by PpcDefaultMachVtbl().

                                       {
}

VOID PpcVideoCopyOffScreenBufferToVRAM

(

PVOID

Buffer

)

Definition at line 130 of file mach.c.

Referenced by PpcDefaultMachVtbl().

                                                       {
    int i,j;
    ULONG w,h,d;
    PCHAR ChBuf = Buffer;
    int offset = 0;

    MachVideoGetDisplaySize( &w, &h, &d );

    for( i = 0; i < h; i++ ) {
    for( j = 0; j < w; j++ ) {
        offset = (j * 2) + (i * w * 2);
        if( ChBuf[offset] != video_mem[offset] ) {
        video_mem[offset] = ChBuf[offset];
        MachVideoPutChar(ChBuf[offset],0,j+1,i+1);
        }
    }
    }
}

ULONG PpcVideoGetBufferSize

(

)

Definition at line 104 of file mach.c.

Referenced by PpcDefaultMachVtbl(), and PpcVideoSetDisplayMode().

                              {
    ULONG Width, Height, Depth;
    MachVideoGetDisplaySize( &Width, &Height, &Depth );
    return Width * Height * Depth / 8;
}

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

Definition at line 98 of file mach.c.

Referenced by PpcDefaultMachVtbl().

                                                                         {
    *Width = 80;
    *Height = 25;
    *Depth = 16;
}

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

Definition at line 158 of file mach.c.

Referenced by PpcDefaultMachVtbl().

                                                                      {
    printf( "GetPaletteColor(%x)\n", Color);
}

VOID PpcVideoHideShowTextCursor

(

BOOLEAN

Show

)

Definition at line 122 of file mach.c.

Referenced by PpcDefaultMachVtbl().

                                                {
    printf("HideShowTextCursor(%s)\n", Show ? "true" : "false");
}

BOOLEAN PpcVideoIsPaletteFixed

(

)

Definition at line 149 of file mach.c.

Referenced by PpcDefaultMachVtbl().

                                 {
    return FALSE;
}

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

Definition at line 126 of file mach.c.

Referenced by PpcDefaultMachVtbl().

                                                                   {
    printf( "\033[%d;%dH%c", Y, X, Ch );
}

VIDEODISPLAYMODE PpcVideoSetDisplayMode	(	char *	DisplayMode,
		BOOLEAN	Init
	)

Definition at line 110 of file mach.c.

Referenced by PpcDefaultMachVtbl().

                                                                           {
    //printf( "DisplayMode: %s %s\n", DisplayMode, Init ? "true" : "false" );
    if( Init && !video_mem ) {
    video_mem = MmAllocateMemory( PpcVideoGetBufferSize() );
    }
    return VideoTextMode;
}

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

Definition at line 153 of file mach.c.

Referenced by PpcDefaultMachVtbl().

                                                                   {
    printf( "SetPaletteColor(%x,%x,%x,%x)\n", Color, Red, Green, Blue );
}

VOID PpcVideoSetTextCursorPosition	(	ULONG	X,
		ULONG	Y
	)

Definition at line 118 of file mach.c.

Referenced by PpcDefaultMachVtbl().

                                                       {
    printf("SetTextCursorPosition(%d,%d)\n", X,Y);
}

VOID PpcVideoSync

(

)

Definition at line 163 of file mach.c.

Referenced by PpcDefaultMachVtbl().

                    {
    printf( "Sync\n" );
}

UCHAR NTAPI READ_PORT_UCHAR

(

PUCHAR

Address

)

Definition at line 535 of file mach.c.

Referenced by AcpiOsReadPort(), ComPortTest1(), ComPortTest2(), CpGetByte(), CpInitialize(), CpReadLsr(), CpSetBaud(), DetectKeyboardDevice(), DetectPS2AuxDevice(), DetectPS2AuxPort(), DetectSerialMouse(), Disable8259AIrq(), DMusMPUInterruptServiceRoutine(), EISA_ELCR_Read(), Get_Byte(), getCx86(), GetExtendedMemoryConfiguration(), GetFloppyCount(), GetFloppyType(), GetSerialMousePnpId(), CUSBHardwareDevice::GlobalReset(), HalHandleNMI(), HalpInitDma(), HalpQueryCMOS(), HalpReadCmos(), HalpReboot(), HalReadDmaCounter(), HwDiskChanged(), HwDumpRegisters(), HwReset(), i8042ReadData(), i8042ReadStatus(), i8042Write(), inb_p(), InitializeSerialPort(), InitMPU(), inportb(), KdpBochsInit(), KdpSysReadIoSpace(), NdisImmediateReadPortUchar(), PcVideoGetPaletteColor(), PcVideoSet480ScanLines(), PcVideoSetDisplayEnd(), PcVideoSync(), PdoWrite(), PS2ControllerWait(), Read8254Timer(), ReadData(), ReadfromSMBus(), CUSBHardwareDevice::ReadRegister8(), ReadWriteMode(), ReadyForRead(), ReadyForWrite(), ScrAcquireOwnership(), ScrIoControl(), ScrSetRegisters(), ScrWrite(), ScsiPortReadPortUchar(), SerialDetectUartType(), SerialInterruptService(), SerialPnpStartDevice(), SerialReceiveByte(), SerialSendByte(), SerialSetBaudRate(), SerialSetLineControl(), sound(), STDMETHODIMP_(), StorPortReadPortUchar(), TryMPU(), VgaInterpretCmdStream(), VgaIsPresent(), WriteMPU(), and WriteToSMBus().

                                            {
    return GetPhysByte(((ULONG)Address)+0x80000000);
}

void WRITE_PORT_UCHAR	(	PUCHAR	Address,
		UCHAR	Value
	)

Definition at line 539 of file mach.c.

Referenced by AcpiOsWritePort(), CloseBitPlane(), ComPortTest1(), ComPortTest2(), CpEnableFifo(), CpInitialize(), CpPutByte(), CpSetBaud(), DetectKeyboardDevice(), DetectPS2AuxDevice(), DetectPS2AuxPort(), DetectSerialMouse(), DFB_BltFromVGA(), DFB_BltToVGA(), DFB_BltToVGA_Transparent(), DIB_BltFromVGA(), DIB_BltToVGA(), DIB_BltToVGAWithXlate(), Disable8259AIrq(), DisableSMPMode(), DiskStopFloppyMotor(), EnableApicMode(), getCx86(), GetExtendedMemoryConfiguration(), GetFloppyCount(), GetFloppyType(), GetSerialMousePnpId(), CUSBHardwareDevice::GlobalReset(), HalBeginSystemInterrupt(), HalDisableSystemInterrupt(), HalEnableSystemInterrupt(), HalpCalibrateStallExecution(), HalpDmaInitializeEisaAdapter(), HalpEndSystemInterrupt(), HalpInitDma(), HalpInitPICs(), HalpPCIReleaseSynchronizationType2(), HalpPCIReleaseSynchronzationType2(), HalpPCISynchronizeType2(), HalpQueryCMOS(), HalpReadCmos(), HalpReboot(), HalPutCharacter(), HalpWriteCmos(), HalpWriteResetCommand(), HalReadDmaCounter(), HwPowerOff(), HwReset(), HwSetDataRate(), HwTurnOffMotor(), HwTurnOnMotor(), i8042Write(), InitializeSerialPort(), IoFlushAdapterBuffers(), IoMapTransfer(), KdpBochsDebugPrint(), KdpSysWriteIoSpace(), KiSystemService(), NdisImmediateWritePortUchar(), OpenBitPlane(), outb_p(), outportb(), Parallel_putchar(), Parallel_Reset(), PcVideoGetPaletteColor(), PcVideoSet480ScanLines(), PcVideoSetDisplayEnd(), PcVideoSetPaletteColor(), PdoWrite(), Read8254Timer(), ReadfromSMBus(), ScrAcquireOwnership(), ScrIoControl(), ScrSetRegisters(), ScrWrite(), ScsiPortWritePortUchar(), Send_Byte(), SerialDetectUartType(), SerialDeviceControl(), SerialInterruptService(), SerialPnpStartDevice(), SerialReceiveByte(), SerialSendByte(), SerialSetBaudRate(), SerialSetLineControl(), setCx86(), sound(), StorPortWritePortUchar(), VGADDI_BltBrush(), VGADDI_BltFromSavedScreenBits(), VGADDI_BltPointerToVGA(), VGADDI_BltToSavedScreenBits(), VGADDIFillSolid(), vgaGetByte(), vgaHLine(), VgaInterpretCmdStream(), VgaIsPresent(), vgaPutByte(), vgaPutPixel(), vgaReadScan(), vgaVLine(), vgaWriteScan(), VidCleanUp(), WriteAddress(), WriteData(), WriteMPU(), CUSBHardwareDevice::WriteRegister8(), and WriteToSMBus().

                                                   {
    SetPhysByte(((ULONG)Address)+0x80000000, Value);
}

Variable Documentation

BOOLEAN AcpiPresent = FALSE

Definition at line 34 of file mach.c.

Referenced by WinLdrInitializePhase1().

char BootPart[0x100] = { 0 }

Definition at line 35 of file mach.c.

Referenced by MachInit(), and PpcDiskReadLogicalSectors().

char BootPath[0x100] = { 0 }

Definition at line 35 of file mach.c.

Referenced by LoadAndBootWindows(), LoadReactOSSetup(), MachInit(), PcInitializeBootDevices(), PpcDiskGetBootPath(), and WinLdrInitializePhase1().

ULONG CacheSizeLimit

Definition at line 34 of file cache.c.

Referenced by CacheInternalCheckCacheSizeLimits(), CacheInternalDumpBlockList(), and PpcInit().

int chosen_package

static

Definition at line 31 of file mach.c.

Referenced by MachInit(), and PpcOfwInit().

int claimed[4]

Definition at line 33 of file mach.c.

Referenced by PpcGetMemoryMap().

char CmdLine[0x100] = { "bootprep" }

Definition at line 35 of file mach.c.

Referenced by DosCreateProcess(), PpcOfwInit(), RunControlPanelApplet(), shell(), Test_CommandLine(), wmain(), and wWinMain().

jmp_buf jmp

Definition at line 36 of file mach.c.

Referenced by KiSwitchToBootStack(), MyAppendUnicodeToString_(), MyInitUnicodeString(), RtlAppendUnicodeToString(), UDFDissectName(), UDFGetExtentLength(), UDFGetMappingLength(), UDFIsIllegalChar(), UDFPhysLbaToPart(), and WCacheGetSortedListIndex().

int mem_range_end

Definition at line 168 of file mach.c.

Referenced by PpcGetMemoryMap(), PpcInitializeMmu(), and PpcPrepGetMemoryMap().

int mmu_handle = 0

Definition at line 32 of file mach.c.

Referenced by MmuTranslate(), and PpcOfwInit().

int mmu_initialized = 0

Definition at line 167 of file mach.c.

Referenced by PpcInitializeMmu().

of_proxy ofproxy

Definition at line 29 of file mach.c.

Referenced by MachInit(), MmuTranslate(), PpcInit(), and PpcOfwInit().

void * PageDirectoryEnd

Definition at line 30 of file mach.c.

void* PageDirectoryStart

Definition at line 30 of file mach.c.

int part_handle = -1

static

Definition at line 31 of file mach.c.

Referenced by PpcDiskReadLogicalSectors().

int stdin_handle

static

Definition at line 31 of file mach.c.

Referenced by PpcConsGetCh(), and PpcOfwInit().

int stdout_handle

static

Definition at line 31 of file mach.c.

Referenced by PpcOfwInit(), and PpcOfwPutChar().

volatile char* video_mem = 0

Definition at line 37 of file mach.c.

Referenced by PpcVideoCopyOffScreenBufferToVRAM(), and PpcVideoSetDisplayMode().