Subversion Repositories HelenOS-historic

Rev

Rev 5 | Rev 7 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
1 jermar 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
 
47
 
48
void arch_init(void)
49
{
50
    pm_init();
51
 
52
    if (config.cpu_active == 1) {
53
        ega_init(); /* video */
54
        i8042_init();   /* a20 bit */
55
        i8259_init();   /* PIC */
56
        i8254_init();   /* hard clock */
57
 
58
        trap_register(VECTOR_SYSCALL, syscall);
5 jermar 59
 
60
        #ifdef __SMP__
6 jermar 61
        trap_register(VECTOR_TLB_SHOOTDOWN, tlb_shootdown_ipi);
5 jermar 62
        #endif /* __SMP__ */
1 jermar 63
    }
64
}
65
 
66
void calibrate_delay_loop(void)
67
{
68
    i8254_calibrate_delay_loop();
69
    i8254_normal_operation();
70
}