Subversion Repositories HelenOS-historic

Rev

Rev 894 | Rev 1074 | 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>
894 jermar 37
#include <genarch/i8042/i8042.h>
1 jermar 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>
28 jermar 46
#include <arch/asm.h>
452 decky 47
#include <genarch/acpi/acpi.h>
195 vana 48
 
49
#include <arch/bios/bios.h>
50
 
187 cejka 51
#include <arch/mm/memory_init.h>
576 palkovsky 52
#include <interrupt.h>
1 jermar 53
 
26 jermar 54
void arch_pre_mm_init(void)
1 jermar 55
{
56
	pm_init();
57
 
58
	if (config.cpu_active == 1) {
30 jermar 59
		bios_init();
125 jermar 60
		i8259_init();	/* PIC */
1 jermar 61
		i8254_init();	/* hard clock */
235 decky 62
 
958 jermar 63
		exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall);
5 jermar 64
 
458 decky 65
		#ifdef CONFIG_SMP
576 palkovsky 66
		exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown",
958 jermar 67
			     (iroutine) tlb_shootdown_ipi);
458 decky 68
		#endif /* CONFIG_SMP */
1 jermar 69
	}
70
}
71
 
72 decky 72
void arch_post_mm_init(void)
23 jermar 73
{
24 jermar 74
	if (config.cpu_active == 1) {
75
		ega_init();	/* video */
32 jermar 76
	}
77
}
78
 
503 jermar 79
void arch_pre_smp_init(void)
32 jermar 80
{
81
	if (config.cpu_active == 1) {
187 cejka 82
		memory_print_map();
83
 
458 decky 84
		#ifdef CONFIG_SMP
29 jermar 85
		acpi_init();
458 decky 86
		#endif /* CONFIG_SMP */
24 jermar 87
	}
23 jermar 88
}
89
 
503 jermar 90
void arch_post_smp_init(void)
91
{
512 jermar 92
	i8042_init();	/* keyboard controller */
503 jermar 93
}
94
 
1 jermar 95
void calibrate_delay_loop(void)
96
{
97
	i8254_calibrate_delay_loop();
514 jermar 98
	if (config.cpu_active == 1) {
99
		/*
100
		 * This has to be done only on UP.
101
		 * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.
102
		 */
103
		i8254_normal_operation();
104
	}
1 jermar 105
}