halinit.c

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/*
 * PROJECT:     Xbox HAL
 * LICENSE:     GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
 * PURPOSE:     Initialize the x86 HAL
 * COPYRIGHT:   Copyright 1998 David Welch (welch@cwcom.net)
 */
 
/* INCLUDES *****************************************************************/
 
#include "halxbox.h"
 
#define NDEBUG
#include <debug.h>
 
/* FUNCTIONS ****************************************************************/
 
VOID
NTAPI
HalpInitProcessor(
    IN ULONG ProcessorNumber,
    IN PLOADER_PARAMETER_BLOCK LoaderBlock)
{
    /* Set default IDR */
    KeGetPcr()->IDR = 0xFFFFFFFF & ~(1 << PIC_CASCADE_IRQ);
}
 
VOID
HalpInitPhase0(IN PLOADER_PARAMETER_BLOCK LoaderBlock)
{
    /* Initialize Xbox-specific disk hacks */
    HalpXboxInitPartIo();
}
 
VOID
HalpInitPhase1(VOID)
{
    /* Enable timer interrupt handler */
    HalpEnableInterruptHandler(IDT_DEVICE,
                               0,
                               PRIMARY_VECTOR_BASE + PIC_TIMER_IRQ,
                               CLOCK2_LEVEL,
                               HalpClockInterrupt,
                               Latched);
 
    /* Enable RTC interrupt handler */
    HalpEnableInterruptHandler(IDT_DEVICE,
                               0,
                               PRIMARY_VECTOR_BASE + PIC_RTC_IRQ,
                               PROFILE_LEVEL,
                               HalpProfileInterrupt,
                               Latched);
 
    /* Initialize DMA. NT does this in Phase 0 */
    HalpInitDma();
}
 
/* EOF */