macharm.c File Reference

#include <freeldr.h>
#include <internal/arm/intrin_i.h>

Include dependency graph for macharm.c:

Go to the source code of this file.

Functions
VOID	FrLdrCheckCpuCompatibility (VOID)
VOID	ArmInit (IN PARM_BOARD_CONFIGURATION_BLOCK BootContext)
VOID	ArmPrepareForReactOS (VOID)
PCONFIGURATION_COMPONENT_DATA	ArmHwDetect (VOID)
BOOLEAN	ArmInitializeBootDevices (VOID)
PFREELDR_MEMORY_DESCRIPTOR	ArmMemGetMemoryMap (OUT ULONG *MemoryMapSize)
VOID	ArmHwIdle (VOID)
VOID	MachInit (IN PCCH CommandLine)

Variables
PARM_BOARD_CONFIGURATION_BLOCK	ArmBoardBlock
ULONG	gDiskReadBuffer
ULONG	gFileSysBuffer
BOOLEAN	ArmHwDetectRan
PCONFIGURATION_COMPONENT_DATA	RootNode
BOOLEAN	AcpiPresent = FALSE
ULONG	FirstLevelDcacheSize
ULONG	FirstLevelDcacheFillSize
ULONG	FirstLevelIcacheSize
ULONG	FirstLevelIcacheFillSize
ULONG	SecondLevelDcacheSize
ULONG	SecondLevelDcacheFillSize
ULONG	SecondLevelIcacheSize
ULONG	SecondLevelIcacheFillSize
ULONG	reactos_disk_count
ULONG	SizeBits []
ULONG	AssocBits []
ULONG	LenBits []
FREELDR_MEMORY_DESCRIPTOR	ArmMemoryMap [32]

Function Documentation

ArmHwDetect()

PCONFIGURATION_COMPONENT_DATA ArmHwDetect

(

VOID

)

Definition at line 95 of file macharm.c.

{
    ARM_CACHE_REGISTER CacheReg;

    /* Create the root node */
    if (ArmHwDetectRan++) return RootNode;
    FldrCreateSystemKey(&RootNode);

    /*
     * TODO:
     * There's no such thing as "PnP" on embedded hardware.
     * The boot loader will send us a device tree, similar to ACPI
     * or OpenFirmware device trees, and we will convert it to ARC.
     */

    /* Get cache information */
    CacheReg = KeArmCacheRegisterGet();
    FirstLevelDcacheSize = SizeBits[CacheReg.DSize];
    FirstLevelDcacheFillSize = LenBits[CacheReg.DLength];
    FirstLevelDcacheFillSize <<= 2;
    FirstLevelIcacheSize = SizeBits[CacheReg.ISize];
    FirstLevelIcacheFillSize = LenBits[CacheReg.ILength];
    FirstLevelIcacheFillSize <<= 2;
    SecondLevelDcacheSize =
    SecondLevelDcacheFillSize =
    SecondLevelIcacheSize =
    SecondLevelIcacheFillSize = 0;

    /* Initialize the RAMDISK Device */
    RamDiskInitialize(TRUE, NULL, NULL);

    /* Fill out the ARC disk block */
    AddReactOSArcDiskInfo("ramdisk(0)", 0xBADAB00F, 0xDEADBABE, TRUE);
    ASSERT(reactos_disk_count == 1);

    /* Return the root node */
    return RootNode;
}

Referenced by ArmInitializeBootDevices(), and MachInit().

ArmHwIdle()

VOID ArmHwIdle

(

VOID

)

Definition at line 172 of file macharm.c.

{
    /* UNIMPLEMENTED */
}

Referenced by MachInit().

ArmInit()

VOID ArmInit

(

IN PARM_BOARD_CONFIGURATION_BLOCK

BootContext

)

Definition at line 69 of file macharm.c.

{
    /* Remember the pointer */
    ArmBoardBlock = BootContext;

    /* Let's make sure we understand the LLB */
    ASSERT(ArmBoardBlock->MajorVersion == ARM_BOARD_CONFIGURATION_MAJOR_VERSION);
    ASSERT(ArmBoardBlock->MinorVersion == ARM_BOARD_CONFIGURATION_MINOR_VERSION);

    /* This should probably go away once we support more boards */
    ASSERT((ArmBoardBlock->BoardType == MACH_TYPE_FEROCEON) ||
           (ArmBoardBlock->BoardType == MACH_TYPE_VERSATILE_PB) ||
           (ArmBoardBlock->BoardType == MACH_TYPE_OMAP3_BEAGLE) ||
           (ArmBoardBlock->BoardType == MACH_TYPE_OMAP_ZOOM2));

    /* Call FreeLDR's portable entrypoint with our command-line */
    BootMain(ArmBoardBlock->CommandLine);
}

ArmInitializeBootDevices()

BOOLEAN ArmInitializeBootDevices

(

VOID

)

Definition at line 135 of file macharm.c.

{
    /* Emulate old behavior */
    if (ArmHwDetect() == NULL)
        return FALSE;

    /* On ARM platforms, the loader is always in RAM */
    strcpy(FrLdrBootPath, "ramdisk(0)");
    return TRUE;
}

Referenced by MachInit().

ArmMemGetMemoryMap()

PFREELDR_MEMORY_DESCRIPTOR ArmMemGetMemoryMap

(

OUT ULONG *

MemoryMapSize

)

Definition at line 149 of file macharm.c.

{
    ULONG i;
    ASSERT(ArmBoardBlock->MemoryMapEntryCount <= 32);

    /* Return whatever the board returned to us (CS0 Base + Size and FLASH0) */
    for (i = 0; i < ArmBoardBlock->MemoryMapEntryCount; i++)
    {
        ArmMemoryMap[i].BasePage = ArmBoardBlock->MemoryMap[i].BaseAddress / PAGE_SIZE;
        ArmMemoryMap[i].PageCount = ArmBoardBlock->MemoryMap[i].Length / PAGE_SIZE;
        if (ArmBoardBlock->MemoryMap[i].Type == BiosMemoryUsable)
            ArmMemoryMap[i].MemoryType = MemoryFree;
        else
            ArmMemoryMap[i].MemoryType = MemoryFirmwarePermanent;
    }

    *MemoryMapSize = ArmBoardBlock->MemoryMapEntryCount;

    // FIXME
    return NULL;
}

Referenced by MachInit().

ArmPrepareForReactOS()

VOID ArmPrepareForReactOS

(

VOID

)

Definition at line 89 of file macharm.c.

{
    return;
}

Referenced by MachInit().

FrLdrCheckCpuCompatibility()

VOID FrLdrCheckCpuCompatibility

(

VOID

)

Definition at line 63 of file macharm.c.

{
    /* Nothing for now */
}

Referenced by BootMain().

MachInit()

VOID MachInit

(

IN PCCH

CommandLine

)

Definition at line 178 of file macharm.c.

{
    /* Copy Machine Routines from Firmware Table */
    MachVtbl.ConsPutChar = ArmBoardBlock->ConsPutChar;
    MachVtbl.ConsKbHit = ArmBoardBlock->ConsKbHit;
    MachVtbl.ConsGetCh = ArmBoardBlock->ConsGetCh;
    MachVtbl.VideoClearScreen = ArmBoardBlock->VideoClearScreen;
    MachVtbl.VideoSetDisplayMode = ArmBoardBlock->VideoSetDisplayMode;
    MachVtbl.VideoGetDisplaySize = ArmBoardBlock->VideoGetDisplaySize;
    MachVtbl.VideoPutChar = ArmBoardBlock->VideoPutChar;
    MachVtbl.GetTime = ArmBoardBlock->GetTime;

    /* Setup board-specific ARM routines */
    switch (ArmBoardBlock->BoardType)
    {
        /* Check for Feroceon-base boards */
        case MACH_TYPE_FEROCEON:
            TuiPrintf("Not implemented\n");
            while (TRUE);
            break;

        /* Check for TI OMAP3 ZOOM-II MDK */
        case MACH_TYPE_OMAP_ZOOM2:

            /* Setup the disk and file system buffers */
            gDiskReadBuffer = 0x81094000;
            gFileSysBuffer = 0x81094000;
            break;

        /* Check for ARM Versatile PB boards */
        case MACH_TYPE_VERSATILE_PB:

            /* Setup the disk and file system buffers */
            gDiskReadBuffer = 0x00090000;
            gFileSysBuffer = 0x00090000;
            break;

        /* Check for TI OMAP3 Beagleboard */
        case MACH_TYPE_OMAP3_BEAGLE:
            TuiPrintf("Not implemented\n");
            while (TRUE);
            break;

        default:
            ASSERT(FALSE);
    }

    /* Setup generic ARM routines for all boards */
    MachVtbl.PrepareForReactOS = ArmPrepareForReactOS;
    MachVtbl.GetMemoryMap = ArmMemGetMemoryMap;
    MachVtbl.InitializeBootDevices = ArmInitializeBootDevices;
    MachVtbl.HwDetect = ArmHwDetect;
    MachVtbl.HwIdle = ArmHwIdle;
}

Referenced by BootMain().

Variable Documentation

AcpiPresent

BOOLEAN AcpiPresent = FALSE

Definition at line 21 of file macharm.c.

ArmBoardBlock

PARM_BOARD_CONFIGURATION_BLOCK ArmBoardBlock

Definition at line 16 of file macharm.c.

Referenced by ArmInit(), ArmMemGetMemoryMap(), and MachInit().

ArmHwDetectRan

BOOLEAN ArmHwDetectRan

Definition at line 18 of file macharm.c.

Referenced by ArmHwDetect().

ArmMemoryMap

FREELDR_MEMORY_DESCRIPTOR ArmMemoryMap[32]

Definition at line 146 of file macharm.c.

Referenced by ArmMemGetMemoryMap().

AssocBits

ULONG AssocBits[]

Initial value:

=
{
    -1,      
    -1,      
    4        
}

Definition at line 46 of file macharm.c.

FirstLevelDcacheFillSize

ULONG FirstLevelDcacheFillSize

Definition at line 24 of file macharm.c.

Referenced by ArmHwDetect(), and WinLdrSetupForNt().

FirstLevelDcacheSize

ULONG FirstLevelDcacheSize

Definition at line 23 of file macharm.c.

Referenced by ArmHwDetect(), and WinLdrSetupForNt().

FirstLevelIcacheFillSize

ULONG FirstLevelIcacheFillSize

Definition at line 26 of file macharm.c.

Referenced by ArmHwDetect(), and WinLdrSetupForNt().

FirstLevelIcacheSize

ULONG FirstLevelIcacheSize

Definition at line 25 of file macharm.c.

Referenced by ArmHwDetect(), and WinLdrSetupForNt().

gDiskReadBuffer

ULONG gDiskReadBuffer

Definition at line 17 of file macharm.c.

Referenced by MachInit().

gFileSysBuffer

ULONG gFileSysBuffer

Definition at line 17 of file macharm.c.

Referenced by MachInit().

LenBits

ULONG LenBits[]

Initial value:

=
{
    -1,      
    -1,      
    8        
}

Definition at line 53 of file macharm.c.

Referenced by ArmHwDetect().

reactos_disk_count

ULONG reactos_disk_count

Definition at line 20 of file archwsup.c.

Referenced by ArmHwDetect().

RootNode

PCONFIGURATION_COMPONENT_DATA RootNode

Definition at line 19 of file macharm.c.

Referenced by ArmHwDetect(), BiLoadHive(), CDeviceView::BuildActionMenuForNode(), CdFindNameLink(), CdInsertNameLink(), CreateBTreeFromIndex(), CreateEmptyBTree(), Ext2InitializeVcb(), FatFindFcb(), FatInsertName(), PiDevNodeStateMachine(), CDeviceView::RefreshThread(), and CDeviceView::SelectNode().

SecondLevelDcacheFillSize

ULONG SecondLevelDcacheFillSize

Definition at line 28 of file macharm.c.

Referenced by ArmHwDetect(), and WinLdrSetupForNt().

SecondLevelDcacheSize

ULONG SecondLevelDcacheSize

Definition at line 27 of file macharm.c.

Referenced by ArmHwDetect(), and WinLdrSetupForNt().

SecondLevelIcacheFillSize

ULONG SecondLevelIcacheFillSize

Definition at line 30 of file macharm.c.

Referenced by ArmHwDetect().

SecondLevelIcacheSize

ULONG SecondLevelIcacheSize

Definition at line 29 of file macharm.c.

Referenced by ArmHwDetect(), and WinLdrSetupForNt().

SizeBits

ULONG SizeBits[]

Initial value:

=
{
    -1,      
    -1,      
    1 << 12, 
    1 << 13, 
    1 << 14, 
    1 << 15, 
    1 << 16, 
    1 << 17  
}

Definition at line 34 of file macharm.c.

Referenced by ArmHwDetect().