Subversion Repositories HelenOS-historic

Rev

Rev 532 | Rev 576 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 532 Rev 534
Line -... Line 1...
- 
 
 1 
/*
- 
 
 2 
 * Copyright (C) 2001-2004 Jakub Jermar
- 
 
 3 
 * All rights reserved.
- 
 
 4 
 *
- 
 
 5 
 * Redistribution and use in source and binary forms, with or without
- 
 
 6 
 * modification, are permitted provided that the following conditions
- 
 
 7 
 * are met:
- 
 
 8 
 *
- 
 
 9 
 * - Redistributions of source code must retain the above copyright
- 
 
 10 
 *   notice, this list of conditions and the following disclaimer.
- 
 
 11 
 * - Redistributions in binary form must reproduce the above copyright
- 
 
 12 
 *   notice, this list of conditions and the following disclaimer in the
- 
 
 13 
 *   documentation and/or other materials provided with the distribution.
- 
 
 14 
 * - The name of the author may not be used to endorse or promote products
- 
 
 15 
 *   derived from this software without specific prior written permission.
- 
 
 16 
 *
- 
 
 17 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- 
 
 18 
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- 
 
 19 
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- 
 
 20 
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- 
 
 21 
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- 
 
 22 
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- 
 
 23 
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- 
 
 24 
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- 
 
 25 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- 
 
 26 
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- 
 
 27 
 */
- 
 
 28 
 
- 
 
 29 
#include <arch.h>
- 
 
 30 
 
- 
 
 31 
#include <arch/types.h>
- 
 
 32 
#include <typedefs.h>
- 
 
 33 
 
- 
 
 34 
#include <arch/pm.h>
- 
 
 35 
 
- 
 
 36 
#include <arch/ega.h>
- 
 
 37 
#include <arch/i8042.h>
- 
 
 38 
#include <arch/i8254.h>
- 
 
 39 
#include <arch/i8259.h>
- 
 
 40 
 
- 
 
 41 
#include <arch/context.h>
- 
 
 42 
 
- 
 
 43 
#include <config.h>
- 
 
 44 
 
- 
 
 45 
#include <arch/interrupt.h>
- 
 
 46 
#include <arch/asm.h>
- 
 
 47 
#include <genarch/acpi/acpi.h>
- 
 
 48 
 
- 
 
 49 
#include <arch/bios/bios.h>
- 
 
 50 
 
- 
 
 51 
#include <arch/mm/memory_init.h>
- 
 
 52 
 
- 
 
 53 
void arch_pre_mm_init(void)
- 
 
 54 
{
- 
 
 55 
    pm_init();
- 
 
 56 
 
- 
 
 57 
    if (config.cpu_active == 1) {
- 
 
 58 
        bios_init();
- 
 
 59 
        i8259_init();   /* PIC */
- 
 
 60 
        i8254_init();   /* hard clock */
- 
 
 61 
       
- 
 
 62 
        trap_register(VECTOR_SYSCALL, syscall);
- 
 
 63 
       
- 
 
 64 
        #ifdef CONFIG_SMP
- 
 
 65 
        trap_register(VECTOR_TLB_SHOOTDOWN_IPI, tlb_shootdown_ipi);
- 
 
 66 
        trap_register(VECTOR_WAKEUP_IPI, wakeup_ipi);
- 
 
 67 
        #endif /* CONFIG_SMP */
- 
 
 68 
    }
- 
 
 69 
}
- 
 
 70 
 
- 
 
 71 
void arch_post_mm_init(void)
- 
 
 72 
{
- 
 
 73 
    if (config.cpu_active == 1) {
- 
 
 74 
        ega_init(); /* video */
- 
 
 75 
    }
- 
 
 76 
}
- 
 
 77 
 
- 
 
 78 
void arch_pre_smp_init(void)
- 
 
 79 
{
- 
 
 80 
    if (config.cpu_active == 1) {
- 
 
 81 
        memory_print_map();
- 
 
 82 
       
- 
 
 83 
        #ifdef CONFIG_SMP
- 
 
 84 
        acpi_init();
- 
 
 85 
        #endif /* CONFIG_SMP */
- 
 
 86 
    }
- 
 
 87 
}
- 
 
 88 
 
- 
 
 89 
void arch_post_smp_init(void)
- 
 
 90 
{
- 
 
 91 
    i8042_init();   /* keyboard controller */
- 
 
 92 
}
- 
 
 93 
 
- 
 
 94 
void calibrate_delay_loop(void)
- 
 
 95 
{
- 
 
 96 
    i8254_calibrate_delay_loop();
- 
 
 97 
    if (config.cpu_active == 1) {
- 
 
 98 
        /*
- 
 
 99 
         * This has to be done only on UP.
- 
 
 100 
         * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.
- 
 
 101 
         */
- 
 
 102 
        i8254_normal_operation();
- 
 
 103 
    }
- 
 
 104 
}