/*++

Copyright (c) 1991  Microsoft Corporation

Module Name:

    ixsproc.c

Abstract:

    Stub functions for UP hals.

Author:

    Ken Reneris (kenr) 22-Jan-1991

Environment:

    Kernel mode only.

Revision History:

--*/

#include "halp.h"

#ifdef ALLOC_DATA_PRAGMA
#pragma data_seg("INITCONST") // INITCONST is OK to use for data_seg
#endif // ALLOC_DATA_PRAGMA
const WCHAR   HalHardwareIdString[]  = L"acpipic_up";

#ifdef ALLOC_DATA_PRAGMA
#pragma data_seg()
#endif // ALLOC_DATA_PRAGMA

const UCHAR HalName[] = "ACPI Compatible Eisa/Isa HAL"; // This is placed in .text for debugging
#define HalName        L"ACPI Compatible Eisa/Isa HAL"

const ULONG HalDisableFirmwareMapper = 1;

BOOLEAN
HalpInitMP (
    IN ULONG Phase,
    IN PLOADER_PARAMETER_BLOCK LoaderBlock
    );

VOID
HalpMcaInit (
    VOID
    );

VOID
HalpAcpiEnumerate (
    PUNICODE_STRING DriverName
    );

VOID HalpInitOtherBuses (VOID);
VOID HalpInitializePciBus (VOID);

#ifdef ALLOC_PRAGMA
#pragma alloc_text(INIT,HalpInitMP)
#pragma alloc_text(INIT,HalStartNextProcessor)
#pragma alloc_text(INIT,HalAllProcessorsStarted)
#pragma alloc_text(INIT,HalReportResourceUsage)
#pragma alloc_text(INIT,HalpInitOtherBuses)
#endif



BOOLEAN
HalpInitMP (
    IN ULONG Phase,
    IN PLOADER_PARAMETER_BLOCK LoaderBlock
    )
{
    // do nothing
    return TRUE;
}


VOID
HalpResetAllProcessors (
    VOID
    )
{
    // Just return, that will invoke the standard PC reboot code
}


BOOLEAN
HalStartNextProcessor (
   IN PLOADER_PARAMETER_BLOCK   pLoaderBlock,
   IN PKPROCESSOR_STATE         pProcessorState
   )
{
    // no other processors
    return FALSE;
}

BOOLEAN
HalAllProcessorsStarted (
    VOID
    )
{
#if !defined(_WIN64)
    if (HalpFeatureBits & HAL_NO_SPECULATION) {

        //
        // Processor doesn't perform speculative execeution,
        // remove fences in critical code paths
        //

        HalpRemoveFences ();
    }
#endif

    return TRUE;
}


VOID
HalReportResourceUsage (
    VOID
    )
{
    INTERFACE_TYPE  interfacetype;
    UNICODE_STRING  UHalName;

    HalInitSystemPhase2 ();

    //
    // Turn on MCA support if present
    //

    HalpMcaInit();

    //
    // Registry is now intialized, see if there are any PCI buses
    //

    HalpInitializePciBus ();

    switch (HalpBusType) {
        case MACHINE_TYPE_ISA:  interfacetype = Isa;            break;
        case MACHINE_TYPE_EISA: interfacetype = Eisa;           break;
        case MACHINE_TYPE_MCA:  interfacetype = MicroChannel;   break;
        default:                interfacetype = Internal;       break;
    }

    RtlInitUnicodeString (&UHalName, HalName);
    HalpReportResourceUsage (
        &UHalName,          // descriptive name
        interfacetype       // device space interface type
    );

#if 0
    //
    // Display all buses & ranges
    //

    HalpDisplayAllBusRanges ();
#endif
    
    HalpRegisterPciDebuggingDeviceInfo();
}


VOID
HalpInitOtherBuses (
    VOID
    )
{
    // no other internal buses supported
}

ULONG
FASTCALL
HalSystemVectorDispatchEntry (
    IN ULONG Vector,
    OUT PKINTERRUPT_ROUTINE **FlatDispatch,
    OUT PKINTERRUPT_ROUTINE *NoConnection
    )
{
    return FALSE;
}