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1 | /* |
1 | /* |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
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 |
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. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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 |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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 |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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 |
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. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup ia32 |
29 | /** @addtogroup ia32 |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #include <arch.h> |
35 | #include <arch.h> |
36 | 36 | ||
37 | #include <arch/types.h> |
37 | #include <arch/types.h> |
38 | #include <typedefs.h> |
38 | #include <typedefs.h> |
39 | 39 | ||
40 | #include <arch/pm.h> |
40 | #include <arch/pm.h> |
41 | 41 | ||
42 | #include <arch/drivers/ega.h> |
42 | #include <arch/drivers/ega.h> |
43 | #include <arch/drivers/vesa.h> |
43 | #include <arch/drivers/vesa.h> |
44 | #include <genarch/i8042/i8042.h> |
44 | #include <genarch/i8042/i8042.h> |
45 | #include <arch/drivers/i8254.h> |
45 | #include <arch/drivers/i8254.h> |
46 | #include <arch/drivers/i8259.h> |
46 | #include <arch/drivers/i8259.h> |
47 | 47 | ||
48 | #include <arch/context.h> |
48 | #include <arch/context.h> |
49 | 49 | ||
50 | #include <config.h> |
50 | #include <config.h> |
51 | 51 | ||
52 | #include <arch/interrupt.h> |
52 | #include <arch/interrupt.h> |
53 | #include <arch/asm.h> |
53 | #include <arch/asm.h> |
54 | #include <genarch/acpi/acpi.h> |
54 | #include <genarch/acpi/acpi.h> |
55 | 55 | ||
56 | #include <arch/bios/bios.h> |
56 | #include <arch/bios/bios.h> |
57 | 57 | ||
58 | #include <arch/mm/memory_init.h> |
58 | #include <arch/mm/memory_init.h> |
59 | #include <interrupt.h> |
59 | #include <interrupt.h> |
60 | #include <arch/debugger.h> |
60 | #include <arch/debugger.h> |
61 | #include <proc/thread.h> |
61 | #include <proc/thread.h> |
62 | #include <syscall/syscall.h> |
62 | #include <syscall/syscall.h> |
63 | #include <console/console.h> |
63 | #include <console/console.h> |
64 | 64 | ||
65 | void arch_pre_mm_init(void) |
65 | void arch_pre_mm_init(void) |
66 | { |
66 | { |
67 | pm_init(); |
67 | pm_init(); |
68 | 68 | ||
69 | if (config.cpu_active == 1) { |
69 | if (config.cpu_active == 1) { |
70 | bios_init(); |
70 | bios_init(); |
71 | i8259_init(); /* PIC */ |
71 | i8259_init(); /* PIC */ |
72 | i8254_init(); /* hard clock */ |
72 | i8254_init(); /* hard clock */ |
73 | 73 | ||
74 | exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall); |
74 | exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall); |
75 | 75 | ||
76 | #ifdef CONFIG_SMP |
76 | #ifdef CONFIG_SMP |
77 | exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown", |
77 | exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown", |
78 | (iroutine) tlb_shootdown_ipi); |
78 | (iroutine) tlb_shootdown_ipi); |
79 | #endif /* CONFIG_SMP */ |
79 | #endif /* CONFIG_SMP */ |
80 | } |
80 | } |
81 | } |
81 | } |
82 | 82 | ||
83 | void arch_post_mm_init(void) |
83 | void arch_post_mm_init(void) |
84 | { |
84 | { |
85 | if (config.cpu_active == 1) { |
85 | if (config.cpu_active == 1) { |
86 | 86 | ||
87 | #ifdef CONFIG_FB |
87 | #ifdef CONFIG_FB |
88 | if (vesa_present()) |
88 | if (vesa_present()) |
89 | vesa_init(); |
89 | vesa_init(); |
90 | else |
90 | else |
91 | #endif |
91 | #endif |
92 | ega_init(); /* video */ |
92 | ega_init(); /* video */ |
93 | 93 | ||
94 | 94 | ||
95 | /* Enable debugger */ |
95 | /* Enable debugger */ |
96 | debugger_init(); |
96 | debugger_init(); |
97 | /* Merge all memory zones to 1 big zone */ |
97 | /* Merge all memory zones to 1 big zone */ |
98 | zone_merge_all(); |
98 | zone_merge_all(); |
99 | } |
99 | } |
100 | } |
100 | } |
101 | 101 | ||
102 | void arch_pre_smp_init(void) |
102 | void arch_pre_smp_init(void) |
103 | { |
103 | { |
104 | if (config.cpu_active == 1) { |
104 | if (config.cpu_active == 1) { |
105 | memory_print_map(); |
105 | memory_print_map(); |
106 | 106 | ||
107 | #ifdef CONFIG_SMP |
107 | #ifdef CONFIG_SMP |
108 | acpi_init(); |
108 | acpi_init(); |
109 | #endif /* CONFIG_SMP */ |
109 | #endif /* CONFIG_SMP */ |
110 | } |
110 | } |
111 | } |
111 | } |
112 | 112 | ||
113 | void arch_post_smp_init(void) |
113 | void arch_post_smp_init(void) |
114 | { |
114 | { |
115 | i8042_init(); /* keyboard controller */ |
115 | i8042_init(); /* keyboard controller */ |
116 | } |
116 | } |
117 | 117 | ||
118 | void calibrate_delay_loop(void) |
118 | void calibrate_delay_loop(void) |
119 | { |
119 | { |
120 | i8254_calibrate_delay_loop(); |
120 | i8254_calibrate_delay_loop(); |
121 | if (config.cpu_active == 1) { |
121 | if (config.cpu_active == 1) { |
122 | /* |
122 | /* |
123 | * This has to be done only on UP. |
123 | * This has to be done only on UP. |
124 | * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked. |
124 | * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked. |
125 | */ |
125 | */ |
126 | i8254_normal_operation(); |
126 | i8254_normal_operation(); |
127 | } |
127 | } |
128 | } |
128 | } |
129 | 129 | ||
130 | /** Set thread-local-storage pointer |
130 | /** Set thread-local-storage pointer |
131 | * |
131 | * |
132 | * TLS pointer is set in GS register. That means, the GS contains |
132 | * TLS pointer is set in GS register. That means, the GS contains |
133 | * selector, and the descriptor->base is the correct address. |
133 | * selector, and the descriptor->base is the correct address. |
134 | */ |
134 | */ |
135 | __native sys_tls_set(__native addr) |
135 | unative_t sys_tls_set(unative_t addr) |
136 | { |
136 | { |
137 | THREAD->arch.tls = addr; |
137 | THREAD->arch.tls = addr; |
138 | set_tls_desc(addr); |
138 | set_tls_desc(addr); |
139 | 139 | ||
140 | return 0; |
140 | return 0; |
141 | } |
141 | } |
142 | 142 | ||
143 | /** Acquire console back for kernel |
143 | /** Acquire console back for kernel |
144 | * |
144 | * |
145 | */ |
145 | */ |
146 | void arch_grab_console(void) |
146 | void arch_grab_console(void) |
147 | { |
147 | { |
148 | i8042_grab(); |
148 | i8042_grab(); |
149 | } |
149 | } |
150 | /** Return console to userspace |
150 | /** Return console to userspace |
151 | * |
151 | * |
152 | */ |
152 | */ |
153 | void arch_release_console(void) |
153 | void arch_release_console(void) |
154 | { |
154 | { |
155 | i8042_release(); |
155 | i8042_release(); |
156 | } |
156 | } |
157 | 157 | ||
158 | /** @} |
158 | /** @} |
159 | */ |
159 | */ |
160 | 160 | ||
161 | 161 |