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 (PSTR CmdLine)
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	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 __cdecl	BootLinuxKernel (IN ULONG KernelSize, IN PVOID KernelCurrentLoadAddress, IN PVOID KernelTargetLoadAddress, IN UCHAR DriveNumber, IN ULONG PartitionNumber)
VOID __cdecl	ChainLoadBiosBootSectorCode (IN UCHAR BootDrive OPTIONAL, IN ULONG BootPartition OPTIONAL)
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	FrLdrBootPath [MAX_PATH] = ""
CHAR	BootPart [MAX_PATH] = ""
CHAR	CmdLine [MAX_PATH] = "bootprep"
jmp_buf	jmp
volatile char *	video_mem = 0
int	mmu_initialized = 0
int	mem_range_end

Function Documentation

beep()

void beep

(

)

Definition at line 525 of file mach.c.

            {
}

BootLinuxKernel()

VOID __cdecl BootLinuxKernel	(	IN ULONG	KernelSize,
		IN PVOID	KernelCurrentLoadAddress,
		IN PVOID	KernelTargetLoadAddress,
		IN UCHAR	DriveNumber,
		IN ULONG	PartitionNumber
	)

Definition at line 536 of file mach.c.

{
    ofw_exit();
}

BootMain()

void BootMain

(

PSTR

CmdLine

)

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

ChainLoadBiosBootSectorCode()

VOID __cdecl ChainLoadBiosBootSectorCode	(	IN UCHAR BootDrive	OPTIONAL,
		IN ULONG BootPartition	OPTIONAL
	)

Definition at line 546 of file mach.c.

{
    ofw_exit();
}

DbgBreakPoint()

void DbgBreakPoint

(

void

)

Definition at line 553 of file mach.c.

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

Referenced by __cxa_pure_virtual(), __declspec(), ARPTransmit(), BaseInitializeContext(), CsrApiRequestThread(), CsrCaptureArguments(), CsrIdentifyAlertableThread(), CsrSetPriorityClass(), CsrShutdownProcesses(), CsrValidateMessageBuffer(), DbgUiRemoteBreakin(), DeviceInterfaceChangeCallback(), Dispatch_fnDeviceIoControl(), DriverEntry(), EHCI_InterruptTransfer(), EHCI_QueryEndpointRequirements(), EHCI_SetAsyncEndpointState(), EHCI_SetEndpointStatus(), EHCI_SubmitTransfer(), EHCI_SuspendController(), 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(), 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(), UhciInterruptService(), UhciQueryEndpointRequirements(), UhciRHPortResetComplete(), UhciStopController(), 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(), USBPORT_AllocateBandwidthUSB2(), USBPORT_Dispatch(), USBPORT_DmaEndpointWorker(), USBPORT_PdoDevicePowerState(), USBPORT_RestoreDevice(), USBPORT_RootHubClassCommand(), USBPORT_RootHubCreateDevice(), USBPORT_SplitBulkInterruptTransfer(), USBPORT_StopDevice(), UserLoadKbdDll(), WdmAudControlOpenMixer(), and wmain().

MachInit()

void MachInit

(

const char *

CmdLine

)

Definition at line 484 of file mach.c.

                                   {
    int i, len;
    char *sep;

    BootPart[0] = 0;
    FrLdrBootPath[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",
                              FrLdrBootPath, sizeof(FrLdrBootPath));
    else
            len = 0;
    if( len < 0 ) len = 0;
    FrLdrBootPath[len] = 0;
    printf( "Boot Path: %s\n", FrLdrBootPath );

    sep = strrchr(FrLdrBootPath, ',');

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

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

NarrowToWide()

VOID NarrowToWide	(	WCHAR *	wide_name,
		char *	name
	)

Definition at line 299 of file mach.c.

{
    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++);
}

Referenced by OfwCopyDeviceTree().

OfwCopyDeviceTree()

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

Definition at line 324 of file mach.c.

{
    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);
    }
}

Referenced by PpcHwDetect().

PpcConsGetCh()

int PpcConsGetCh

(

)

Definition at line 88 of file mach.c.

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

Referenced by PpcDefaultMachVtbl().

PpcConsKbHit()

BOOLEAN PpcConsKbHit

(

)

Definition at line 84 of file mach.c.

                       {
    return FALSE;
}

Referenced by PpcDefaultMachVtbl().

PpcDefaultMachVtbl()

void PpcDefaultMachVtbl

(

)

Definition at line 417 of file mach.c.

{
    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.DiskReadLogicalSectors = PpcDiskReadLogicalSectors;
    MachVtbl.DiskGetDriveGeometry = PpcDiskGetDriveGeometry;
    MachVtbl.DiskGetCacheableBlockCount = PpcDiskGetCacheableBlockCount;

    MachVtbl.GetTime = PpcGetTime;

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

Referenced by PpcInit().

PpcDiskGetCacheableBlockCount()

ULONG PpcDiskGetCacheableBlockCount

(

ULONG

DriveNumber

)

Definition at line 286 of file mach.c.

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

Referenced by PpcDefaultMachVtbl().

PpcDiskGetDriveGeometry()

BOOLEAN PpcDiskGetDriveGeometry	(	ULONG	DriveNumber,
		PGEOMETRY	DriveGeometry
	)

Definition at line 278 of file mach.c.

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

Referenced by PpcDefaultMachVtbl().

PpcDiskReadLogicalSectors()

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

Definition at line 249 of file mach.c.

                                                     {
    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;
}

Referenced by PpcDefaultMachVtbl().

PpcFindDevice()

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

Definition at line 46 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;
}

PpcGetMemoryMap()

ULONG PpcGetMemoryMap	(	PBIOS_MEMORY_MAP	BiosMemoryMap,
		ULONG	MaxMemoryMapSize
	)

Definition at line 186 of file mach.c.

                                                {
    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;
}

Referenced by PpcDefaultMachVtbl().

PpcGetTime()

TIMEINFO* PpcGetTime

(

VOID

)

Definition at line 292 of file mach.c.

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

Referenced by PpcDefaultMachVtbl().

PpcHwDetect()

PCONFIGURATION_COMPONENT_DATA PpcHwDetect

(

)

Definition at line 400 of file mach.c.

                                            {
    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;
}

Referenced by PpcDefaultMachVtbl().

PpcHwIdle()

VOID PpcHwIdle

(

VOID

)

Definition at line 412 of file mach.c.

{
    /* UNIMPLEMENTED */
}

Referenced by PpcDefaultMachVtbl().

PpcInit()

void PpcInit

(

of_proxy

the_ofproxy

)

Definition at line 475 of file mach.c.

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

PpcInitializeMmu()

VOID PpcInitializeMmu

(

)

Definition at line 168 of file mach.c.

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

PpcOfwInit()

void PpcOfwInit

(

)

Definition at line 448 of file mach.c.

{
    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", FrLdrVersionString );

    BootMain( CmdLine );
}

Referenced by PpcInit().

PpcOfwPutChar()

void PpcOfwPutChar

(

int

ch

)

Definition at line 38 of file mach.c.

                             {
    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));
}

Referenced by PpcDefaultMachVtbl(), and PpcFindDevice().

PpcPrepGetMemoryMap()

ULONG PpcPrepGetMemoryMap	(	PBIOS_MEMORY_MAP	BiosMemoryMap,
		ULONG	MaxMemoryMapSize
	)

Definition at line 67 of file prep.c.

{
    // 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;
}

Referenced by PpcPrepInit().

PpcVideoClearScreen()

void PpcVideoClearScreen

(

UCHAR

Attr

)

Definition at line 94 of file mach.c.

                                       {
}

Referenced by PpcDefaultMachVtbl().

PpcVideoCopyOffScreenBufferToVRAM()

VOID PpcVideoCopyOffScreenBufferToVRAM

(

PVOID

Buffer

)

Definition at line 129 of file mach.c.

                                                       {
    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);
        }
    }
    }
}

Referenced by PpcDefaultMachVtbl().

PpcVideoGetBufferSize()

ULONG PpcVideoGetBufferSize

(

)

Definition at line 103 of file mach.c.

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

Referenced by PpcDefaultMachVtbl(), and PpcVideoSetDisplayMode().

PpcVideoGetDisplaySize()

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

Definition at line 97 of file mach.c.

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

Referenced by PpcDefaultMachVtbl().

PpcVideoGetPaletteColor()

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

Definition at line 157 of file mach.c.

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

Referenced by PpcDefaultMachVtbl().

PpcVideoHideShowTextCursor()

VOID PpcVideoHideShowTextCursor

(

BOOLEAN

Show

)

Definition at line 121 of file mach.c.

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

Referenced by PpcDefaultMachVtbl().

PpcVideoIsPaletteFixed()

BOOLEAN PpcVideoIsPaletteFixed

(

)

Definition at line 148 of file mach.c.

                                 {
    return FALSE;
}

Referenced by PpcDefaultMachVtbl().

PpcVideoPutChar()

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

Definition at line 125 of file mach.c.

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

Referenced by PpcDefaultMachVtbl().

PpcVideoSetDisplayMode()

VIDEODISPLAYMODE PpcVideoSetDisplayMode	(	char *	DisplayMode,
		BOOLEAN	Init
	)

Definition at line 109 of file mach.c.

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

Referenced by PpcDefaultMachVtbl().

PpcVideoSetPaletteColor()

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

Definition at line 152 of file mach.c.

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

Referenced by PpcDefaultMachVtbl().

PpcVideoSetTextCursorPosition()

VOID PpcVideoSetTextCursorPosition	(	ULONG	X,
		ULONG	Y
	)

Definition at line 117 of file mach.c.

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

Referenced by PpcDefaultMachVtbl().

PpcVideoSync()

VOID PpcVideoSync

(

)

Definition at line 162 of file mach.c.

                    {
    printf( "Sync\n" );
}

Referenced by PpcDefaultMachVtbl().

READ_PORT_UCHAR()

UCHAR NTAPI READ_PORT_UCHAR

(

PUCHAR

Address

)

Definition at line 528 of file mach.c.

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

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

WRITE_PORT_UCHAR()

void WRITE_PORT_UCHAR	(	PUCHAR	Address,
		UCHAR	Value
	)

Definition at line 532 of file mach.c.

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

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(), EnableApicMode(), getCx86(), GetExtendedMemoryConfiguration(), GetFloppyType(), GetSerialMousePnpId(), 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(), PcGetFloppyCount(), PcVideoGetPaletteColor(), PcVideoSet480ScanLines(), PcVideoSetDisplayEnd(), PcVideoSetPaletteColor(), PdoWrite(), Read8254Timer(), ReadfromSMBus(), ScrAcquireOwnership(), ScrSetCursor(), ScrSetCursorShape(), ScrSetRegisters(), ScsiPortWritePortUchar(), SelectDevice(), Send_Byte(), SerialDetectUartType(), SerialDeviceControl(), SerialInterruptService(), SerialPnpStartDevice(), SerialReceiveByte(), SerialSendByte(), SerialSetBaudRate(), SerialSetLineControl(), setCx86(), SMBusWriteByte(), sound(), StorPortWritePortUchar(), UhciInitializeHardware(), VGADDI_BltBrush(), VGADDI_BltFromSavedScreenBits(), VGADDI_BltPointerToVGA(), VGADDI_BltToSavedScreenBits(), VGADDIFillSolid(), vgaGetByte(), vgaHLine(), vgaPutByte(), vgaPutPixel(), vgaReadScan(), vgaVLine(), vgaWriteScan(), WriteAddress(), WriteData(), WriteMPU(), WriteToSMBus(), and XboxGetSerialPort().

Variable Documentation

AcpiPresent

BOOLEAN AcpiPresent = FALSE

Definition at line 33 of file mach.c.

Referenced by WinLdrInitializePhase1().

BootPart

CHAR BootPart[MAX_PATH] = ""

Definition at line 34 of file mach.c.

Referenced by MachInit(), and PpcDiskReadLogicalSectors().

CacheSizeLimit

ULONG CacheSizeLimit

Definition at line 34 of file cache.c.

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

chosen_package

int chosen_package

static

Definition at line 30 of file mach.c.

Referenced by MachInit(), and PpcOfwInit().

claimed

int claimed[4]

Definition at line 32 of file mach.c.

Referenced by PpcGetMemoryMap().

CmdLine

CHAR CmdLine[MAX_PATH] = "bootprep"

Definition at line 34 of file mach.c.

Referenced by _tWinMain(), BootMain(), CmdLineParse(), DosCreateProcess(), MachInit(), PpcOfwInit(), RunControlPanelApplet(), shell(), Test_CommandLine(), wmain(), and wWinMain().

FrLdrBootPath

CHAR FrLdrBootPath[MAX_PATH] = ""

Definition at line 34 of file mach.c.

Referenced by ArmInitializeBootDevices(), BuildArgvForOsLoader(), DiskGetBootPath(), IniFileInitialize(), LoadBootDeviceDriver(), MachInit(), and PcInitializeBootDevices().

jmp

jmp_buf jmp

Definition at line 35 of file mach.c.

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

mem_range_end

int mem_range_end

Definition at line 167 of file mach.c.

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

mmu_handle

int mmu_handle = 0

Definition at line 31 of file mach.c.

Referenced by MmuTranslate(), and PpcOfwInit().

mmu_initialized

int mmu_initialized = 0

Definition at line 166 of file mach.c.

Referenced by PpcInitializeMmu().

ofproxy

of_proxy ofproxy

Definition at line 28 of file mach.c.

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

PageDirectoryEnd

void * PageDirectoryEnd

Definition at line 29 of file mach.c.

PageDirectoryStart

void* PageDirectoryStart

Definition at line 29 of file mach.c.

part_handle

int part_handle = -1

static

Definition at line 30 of file mach.c.

Referenced by PpcDiskReadLogicalSectors().

stdin_handle

int stdin_handle

static

Definition at line 30 of file mach.c.

Referenced by PpcConsGetCh(), and PpcOfwInit().

stdout_handle

int stdout_handle

static

Definition at line 30 of file mach.c.

Referenced by PpcOfwInit(), and PpcOfwPutChar().

video_mem

volatile char* video_mem = 0

Definition at line 36 of file mach.c.

Referenced by PpcVideoCopyOffScreenBufferToVRAM(), and PpcVideoSetDisplayMode().