Subversion Repositories HelenOS

Rev

Rev 1901 | Rev 1957 | 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
 
1888 jermar 29
/** @addtogroup ia32
1702 cejka 30
 * @{
31
 */
32
/** @file
33
 */
34
 
1 jermar 35
#include <arch.h>
36
 
37
#include <arch/types.h>
38
#include <typedefs.h>
39
 
40
#include <arch/pm.h>
41
 
1473 decky 42
#include <arch/drivers/ega.h>
1477 decky 43
#include <arch/drivers/vesa.h>
1842 jermar 44
#include <genarch/kbd/i8042.h>
1477 decky 45
#include <arch/drivers/i8254.h>
46
#include <arch/drivers/i8259.h>
1 jermar 47
 
48
#include <arch/context.h>
49
 
50
#include <config.h>
51
 
52
#include <arch/interrupt.h>
28 jermar 53
#include <arch/asm.h>
452 decky 54
#include <genarch/acpi/acpi.h>
195 vana 55
 
56
#include <arch/bios/bios.h>
57
 
187 cejka 58
#include <arch/mm/memory_init.h>
576 palkovsky 59
#include <interrupt.h>
1956 decky 60
#include <ddi/irq.h>
1074 palkovsky 61
#include <arch/debugger.h>
1112 palkovsky 62
#include <proc/thread.h>
63
#include <syscall/syscall.h>
1474 palkovsky 64
#include <console/console.h>
1956 decky 65
#include <ddi/device.h>
1 jermar 66
 
1901 jermar 67
#ifdef CONFIG_SMP
68
#include <arch/smp/apic.h>
69
#endif
70
 
26 jermar 71
void arch_pre_mm_init(void)
1 jermar 72
{
73
    pm_init();
74
 
75
    if (config.cpu_active == 1) {
1956 decky 76
        interrupt_init();
30 jermar 77
        bios_init();
235 decky 78
 
1956 decky 79
        /* PIC */
80
        i8259_init();
1 jermar 81
    }
82
}
83
 
72 decky 84
void arch_post_mm_init(void)
23 jermar 85
{
24 jermar 86
    if (config.cpu_active == 1) {
1956 decky 87
        /* Initialize IRQ routing */
88
        irq_init(IRQ_COUNT, IRQ_COUNT);
89
 
90
        /* hard clock */
91
        i8254_init();
1287 vana 92
 
93
#ifdef CONFIG_FB
1303 palkovsky 94
        if (vesa_present())
95
            vesa_init();
1287 vana 96
        else
97
#endif
1303 palkovsky 98
            ega_init(); /* video */
1287 vana 99
 
1074 palkovsky 100
        /* Enable debugger */
101
        debugger_init();
1303 palkovsky 102
        /* Merge all memory zones to 1 big zone */
103
        zone_merge_all();
32 jermar 104
    }
105
}
106
 
1901 jermar 107
void arch_post_cpu_init()
108
{
109
#ifdef CONFIG_SMP
110
        if (config.cpu_active > 1) {
111
        l_apic_init();
112
        l_apic_debug();
113
    }
114
#endif
115
}
116
 
503 jermar 117
void arch_pre_smp_init(void)
32 jermar 118
{
119
    if (config.cpu_active == 1) {
187 cejka 120
        memory_print_map();
121
 
458 decky 122
        #ifdef CONFIG_SMP
29 jermar 123
        acpi_init();
458 decky 124
        #endif /* CONFIG_SMP */
24 jermar 125
    }
23 jermar 126
}
127
 
503 jermar 128
void arch_post_smp_init(void)
129
{
1956 decky 130
    /* keyboard controller */
131
    i8042_init(device_assign_devno(), IRQ_KBD);
503 jermar 132
}
133
 
1 jermar 134
void calibrate_delay_loop(void)
135
{
136
    i8254_calibrate_delay_loop();
514 jermar 137
    if (config.cpu_active == 1) {
138
        /*
139
         * This has to be done only on UP.
140
         * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.
141
         */
142
        i8254_normal_operation();
143
    }
1 jermar 144
}
1112 palkovsky 145
 
1121 jermar 146
/** Set thread-local-storage pointer
1112 palkovsky 147
 *
1119 palkovsky 148
 * TLS pointer is set in GS register. That means, the GS contains
149
 * selector, and the descriptor->base is the correct address.
1112 palkovsky 150
 */
1780 jermar 151
unative_t sys_tls_set(unative_t addr)
1112 palkovsky 152
{
1184 jermar 153
    THREAD->arch.tls = addr;
1112 palkovsky 154
    set_tls_desc(addr);
155
 
156
    return 0;
157
}
1474 palkovsky 158
 
159
/** Acquire console back for kernel
160
 *
161
 */
162
void arch_grab_console(void)
163
{
164
    i8042_grab();
165
}
166
/** Return console to userspace
167
 *
168
 */
169
void arch_release_console(void)
170
{
171
    i8042_release();
172
}
1702 cejka 173
 
1888 jermar 174
/** @}
1702 cejka 175
 */