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1 | jermar | 1 | /* |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
1888 | jermar | 29 | /** @addtogroup ia32 |
1702 | cejka | 30 | * @{ |
31 | */ |
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32 | /** @file |
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33 | */ |
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34 | |||
1 | jermar | 35 | #include <arch.h> |
36 | |||
37 | #include <arch/types.h> |
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38 | #include <typedefs.h> |
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39 | |||
40 | #include <arch/pm.h> |
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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> |
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1 | jermar | 47 | |
48 | #include <arch/context.h> |
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49 | |||
50 | #include <config.h> |
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51 | |||
52 | #include <arch/interrupt.h> |
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28 | jermar | 53 | #include <arch/asm.h> |
452 | decky | 54 | #include <genarch/acpi/acpi.h> |
195 | vana | 55 | |
56 | #include <arch/bios/bios.h> |
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57 | |||
187 | cejka | 58 | #include <arch/mm/memory_init.h> |
576 | palkovsky | 59 | #include <interrupt.h> |
1074 | palkovsky | 60 | #include <arch/debugger.h> |
1112 | palkovsky | 61 | #include <proc/thread.h> |
62 | #include <syscall/syscall.h> |
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1474 | palkovsky | 63 | #include <console/console.h> |
1 | jermar | 64 | |
1901 | jermar | 65 | #ifdef CONFIG_SMP |
66 | #include <arch/smp/apic.h> |
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67 | #endif |
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68 | |||
26 | jermar | 69 | void arch_pre_mm_init(void) |
1 | jermar | 70 | { |
71 | pm_init(); |
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72 | |||
73 | if (config.cpu_active == 1) { |
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30 | jermar | 74 | bios_init(); |
125 | jermar | 75 | i8259_init(); /* PIC */ |
1 | jermar | 76 | i8254_init(); /* hard clock */ |
235 | decky | 77 | |
958 | jermar | 78 | exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall); |
5 | jermar | 79 | |
458 | decky | 80 | #ifdef CONFIG_SMP |
576 | palkovsky | 81 | exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown", |
958 | jermar | 82 | (iroutine) tlb_shootdown_ipi); |
458 | decky | 83 | #endif /* CONFIG_SMP */ |
1 | jermar | 84 | } |
85 | } |
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86 | |||
72 | decky | 87 | void arch_post_mm_init(void) |
23 | jermar | 88 | { |
24 | jermar | 89 | if (config.cpu_active == 1) { |
1287 | vana | 90 | |
91 | #ifdef CONFIG_FB |
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1303 | palkovsky | 92 | if (vesa_present()) |
93 | vesa_init(); |
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1287 | vana | 94 | else |
95 | #endif |
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1303 | palkovsky | 96 | ega_init(); /* video */ |
1287 | vana | 97 | |
98 | |||
1074 | palkovsky | 99 | /* Enable debugger */ |
100 | debugger_init(); |
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1303 | palkovsky | 101 | /* Merge all memory zones to 1 big zone */ |
102 | zone_merge_all(); |
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32 | jermar | 103 | } |
104 | } |
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105 | |||
1901 | jermar | 106 | void arch_post_cpu_init() |
107 | { |
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108 | #ifdef CONFIG_SMP |
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109 | if (config.cpu_active > 1) { |
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110 | l_apic_init(); |
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111 | l_apic_debug(); |
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112 | } |
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113 | #endif |
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114 | } |
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115 | |||
503 | jermar | 116 | void arch_pre_smp_init(void) |
32 | jermar | 117 | { |
118 | if (config.cpu_active == 1) { |
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187 | cejka | 119 | memory_print_map(); |
120 | |||
458 | decky | 121 | #ifdef CONFIG_SMP |
29 | jermar | 122 | acpi_init(); |
458 | decky | 123 | #endif /* CONFIG_SMP */ |
24 | jermar | 124 | } |
23 | jermar | 125 | } |
126 | |||
503 | jermar | 127 | void arch_post_smp_init(void) |
128 | { |
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512 | jermar | 129 | i8042_init(); /* keyboard controller */ |
503 | jermar | 130 | } |
131 | |||
1 | jermar | 132 | void calibrate_delay_loop(void) |
133 | { |
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134 | i8254_calibrate_delay_loop(); |
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514 | jermar | 135 | if (config.cpu_active == 1) { |
136 | /* |
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137 | * This has to be done only on UP. |
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138 | * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked. |
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139 | */ |
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140 | i8254_normal_operation(); |
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141 | } |
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1 | jermar | 142 | } |
1112 | palkovsky | 143 | |
1121 | jermar | 144 | /** Set thread-local-storage pointer |
1112 | palkovsky | 145 | * |
1119 | palkovsky | 146 | * TLS pointer is set in GS register. That means, the GS contains |
147 | * selector, and the descriptor->base is the correct address. |
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1112 | palkovsky | 148 | */ |
1780 | jermar | 149 | unative_t sys_tls_set(unative_t addr) |
1112 | palkovsky | 150 | { |
1184 | jermar | 151 | THREAD->arch.tls = addr; |
1112 | palkovsky | 152 | set_tls_desc(addr); |
153 | |||
154 | return 0; |
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155 | } |
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1474 | palkovsky | 156 | |
157 | /** Acquire console back for kernel |
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158 | * |
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159 | */ |
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160 | void arch_grab_console(void) |
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161 | { |
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162 | i8042_grab(); |
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163 | } |
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164 | /** Return console to userspace |
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165 | * |
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166 | */ |
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167 | void arch_release_console(void) |
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168 | { |
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169 | i8042_release(); |
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170 | } |
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1702 | cejka | 171 | |
1888 | jermar | 172 | /** @} |
1702 | cejka | 173 | */ |