halinit.c

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/*
 * PROJECT:     ReactOS Hardware Abstraction Layer
 * LICENSE:     GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
 * PURPOSE:     Initialize the APIC HAL
 * COPYRIGHT:   Copyright 2011 Timo Kreuzer <timo.kreuzer@reactos.org>
 */
 
/* INCLUDES *****************************************************************/
 
#include <hal.h>
#include "apicp.h"
#include <smp.h>
#define NDEBUG
#include <debug.h>
 
VOID
NTAPI
ApicInitializeLocalApic(ULONG Cpu);
 
/* FUNCTIONS ****************************************************************/
 
VOID
NTAPI
HalpInitProcessor(
    IN ULONG ProcessorNumber,
    IN PLOADER_PARAMETER_BLOCK LoaderBlock)
{
#ifdef CONFIG_SMP
    if (ProcessorNumber == 0)
    {
#endif
        HalpParseApicTables(LoaderBlock);
#ifdef CONFIG_SMP
    }
 
    HalpSetupProcessorsTable(ProcessorNumber);
#endif
 
    /* Initialize the local APIC for this cpu */
    ApicInitializeLocalApic(ProcessorNumber);
 
    /* Initialize profiling data (but don't start it) */
    HalInitializeProfiling();
 
    /* Initialize the timer */
    //ApicInitializeTimer(ProcessorNumber);
}
 
VOID
HalpInitPhase0(IN PLOADER_PARAMETER_BLOCK LoaderBlock)
{
    DPRINT1("Using HAL: APIC %s %s\n",
            (HalpBuildType & PRCB_BUILD_UNIPROCESSOR) ? "UP" : "SMP",
            (HalpBuildType & PRCB_BUILD_DEBUG) ? "DBG" : "REL");
 
    HalpPrintApicTables();
 
    /* Enable clock interrupt handler */
    HalpEnableInterruptHandler(IDT_INTERNAL,
                               0,
                               APIC_CLOCK_VECTOR,
                               CLOCK2_LEVEL,
                               HalpClockInterrupt,
                               Latched);
}
 
VOID
HalpInitPhase1(VOID)
{
    /* Initialize DMA. NT does this in Phase 0 */
    HalpInitDma();
}
 
/* EOF */