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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 | #include <arch.h> |
29 | #include <arch.h> |
30 | 30 | ||
31 | #include <arch/types.h> |
31 | #include <arch/types.h> |
32 | #include <typedefs.h> |
32 | #include <typedefs.h> |
33 | 33 | ||
34 | #include <arch/pm.h> |
34 | #include <arch/pm.h> |
35 | 35 | ||
36 | #include <arch/drivers/ega.h> |
36 | #include <arch/drivers/ega.h> |
37 | #include <arch/vesa.h> |
37 | #include <arch/vesa.h> |
38 | #include <genarch/i8042/i8042.h> |
38 | #include <genarch/i8042/i8042.h> |
39 | #include <arch/i8254.h> |
39 | #include <arch/i8254.h> |
40 | #include <arch/i8259.h> |
40 | #include <arch/i8259.h> |
41 | 41 | ||
42 | #include <arch/context.h> |
42 | #include <arch/context.h> |
43 | 43 | ||
44 | #include <config.h> |
44 | #include <config.h> |
45 | 45 | ||
46 | #include <arch/interrupt.h> |
46 | #include <arch/interrupt.h> |
47 | #include <arch/asm.h> |
47 | #include <arch/asm.h> |
48 | #include <genarch/acpi/acpi.h> |
48 | #include <genarch/acpi/acpi.h> |
49 | 49 | ||
50 | #include <arch/bios/bios.h> |
50 | #include <arch/bios/bios.h> |
51 | 51 | ||
52 | #include <arch/mm/memory_init.h> |
52 | #include <arch/mm/memory_init.h> |
53 | #include <interrupt.h> |
53 | #include <interrupt.h> |
54 | #include <arch/debugger.h> |
54 | #include <arch/debugger.h> |
55 | #include <proc/thread.h> |
55 | #include <proc/thread.h> |
56 | #include <syscall/syscall.h> |
56 | #include <syscall/syscall.h> |
- | 57 | #include <console/console.h> |
|
57 | 58 | ||
58 | void arch_pre_mm_init(void) |
59 | void arch_pre_mm_init(void) |
59 | { |
60 | { |
60 | pm_init(); |
61 | pm_init(); |
61 | 62 | ||
62 | if (config.cpu_active == 1) { |
63 | if (config.cpu_active == 1) { |
63 | bios_init(); |
64 | bios_init(); |
64 | i8259_init(); /* PIC */ |
65 | i8259_init(); /* PIC */ |
65 | i8254_init(); /* hard clock */ |
66 | i8254_init(); /* hard clock */ |
66 | 67 | ||
67 | exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall); |
68 | exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall); |
68 | 69 | ||
69 | #ifdef CONFIG_SMP |
70 | #ifdef CONFIG_SMP |
70 | exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown", |
71 | exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown", |
71 | (iroutine) tlb_shootdown_ipi); |
72 | (iroutine) tlb_shootdown_ipi); |
72 | #endif /* CONFIG_SMP */ |
73 | #endif /* CONFIG_SMP */ |
73 | } |
74 | } |
74 | } |
75 | } |
75 | 76 | ||
76 | void arch_post_mm_init(void) |
77 | void arch_post_mm_init(void) |
77 | { |
78 | { |
78 | if (config.cpu_active == 1) { |
79 | if (config.cpu_active == 1) { |
79 | 80 | ||
80 | #ifdef CONFIG_FB |
81 | #ifdef CONFIG_FB |
81 | if (vesa_present()) |
82 | if (vesa_present()) |
82 | vesa_init(); |
83 | vesa_init(); |
83 | else |
84 | else |
84 | #endif |
85 | #endif |
85 | ega_init(); /* video */ |
86 | ega_init(); /* video */ |
86 | 87 | ||
87 | 88 | ||
88 | /* Enable debugger */ |
89 | /* Enable debugger */ |
89 | debugger_init(); |
90 | debugger_init(); |
90 | /* Merge all memory zones to 1 big zone */ |
91 | /* Merge all memory zones to 1 big zone */ |
91 | zone_merge_all(); |
92 | zone_merge_all(); |
92 | } |
93 | } |
93 | } |
94 | } |
94 | 95 | ||
95 | void arch_pre_smp_init(void) |
96 | void arch_pre_smp_init(void) |
96 | { |
97 | { |
97 | if (config.cpu_active == 1) { |
98 | if (config.cpu_active == 1) { |
98 | memory_print_map(); |
99 | memory_print_map(); |
99 | 100 | ||
100 | #ifdef CONFIG_SMP |
101 | #ifdef CONFIG_SMP |
101 | acpi_init(); |
102 | acpi_init(); |
102 | #endif /* CONFIG_SMP */ |
103 | #endif /* CONFIG_SMP */ |
103 | } |
104 | } |
104 | } |
105 | } |
105 | 106 | ||
106 | void arch_post_smp_init(void) |
107 | void arch_post_smp_init(void) |
107 | { |
108 | { |
108 | i8042_init(); /* keyboard controller */ |
109 | i8042_init(); /* keyboard controller */ |
109 | } |
110 | } |
110 | 111 | ||
111 | void calibrate_delay_loop(void) |
112 | void calibrate_delay_loop(void) |
112 | { |
113 | { |
113 | i8254_calibrate_delay_loop(); |
114 | i8254_calibrate_delay_loop(); |
114 | if (config.cpu_active == 1) { |
115 | if (config.cpu_active == 1) { |
115 | /* |
116 | /* |
116 | * This has to be done only on UP. |
117 | * This has to be done only on UP. |
117 | * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked. |
118 | * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked. |
118 | */ |
119 | */ |
119 | i8254_normal_operation(); |
120 | i8254_normal_operation(); |
120 | } |
121 | } |
121 | } |
122 | } |
122 | 123 | ||
123 | /** Set thread-local-storage pointer |
124 | /** Set thread-local-storage pointer |
124 | * |
125 | * |
125 | * TLS pointer is set in GS register. That means, the GS contains |
126 | * TLS pointer is set in GS register. That means, the GS contains |
126 | * selector, and the descriptor->base is the correct address. |
127 | * selector, and the descriptor->base is the correct address. |
127 | */ |
128 | */ |
128 | __native sys_tls_set(__native addr) |
129 | __native sys_tls_set(__native addr) |
129 | { |
130 | { |
130 | THREAD->arch.tls = addr; |
131 | THREAD->arch.tls = addr; |
131 | set_tls_desc(addr); |
132 | set_tls_desc(addr); |
132 | 133 | ||
133 | return 0; |
134 | return 0; |
134 | } |
135 | } |
- | 136 | ||
- | 137 | /** Acquire console back for kernel |
|
- | 138 | * |
|
- | 139 | */ |
|
- | 140 | void arch_grab_console(void) |
|
- | 141 | { |
|
- | 142 | i8042_grab(); |
|
- | 143 | } |
|
- | 144 | /** Return console to userspace |
|
- | 145 | * |
|
- | 146 | */ |
|
- | 147 | void arch_release_console(void) |
|
- | 148 | { |
|
- | 149 | i8042_release(); |
|
- | 150 | } |
|
135 | 151 |