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/*
 * Copyright (C) 2001-2004 Jakub Jermar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <arch.h>

#include <arch/types.h>
#include <typedefs.h>

#include <arch/pm.h>

#include <arch/ega.h>
#include <arch/i8042.h>
#include <arch/i8254.h>
#include <arch/i8259.h>

#include <arch/context.h>

#include <config.h>

#include <arch/interrupt.h>


void arch_pre_mm_init(void)
{
    pm_init();

    write_dr0(config.cpu_active - 1);

    if (config.cpu_active == 1) {
        i8042_init();   /* a20 bit */
            i8259_init();   /* PIC */
        i8254_init();   /* hard clock */

        trap_register(VECTOR_SYSCALL, syscall);
        
        #ifdef __SMP__
        trap_register(VECTOR_TLB_SHOOTDOWN_IPI, tlb_shootdown_ipi);
        trap_register(VECTOR_WAKEUP_IPI, wakeup_ipi);
        #endif /* __SMP__ */
    }
}

void arch_post_mm_init()
{
    if (config.cpu_active == 1) {
        ega_init(); /* video */
    }
}

void calibrate_delay_loop(void)
{
    i8254_calibrate_delay_loop();
    i8254_normal_operation();
}