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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/ega.h> |
36 | #include <arch/ega.h> |
37 | #include <genarch/i8042/i8042.h> |
37 | #include <genarch/i8042/i8042.h> |
38 | #include <arch/i8254.h> |
38 | #include <arch/i8254.h> |
39 | #include <arch/i8259.h> |
39 | #include <arch/i8259.h> |
40 | 40 | ||
41 | #include <arch/context.h> |
41 | #include <arch/context.h> |
42 | 42 | ||
43 | #include <config.h> |
43 | #include <config.h> |
44 | 44 | ||
45 | #include <arch/interrupt.h> |
45 | #include <arch/interrupt.h> |
46 | #include <arch/asm.h> |
46 | #include <arch/asm.h> |
47 | #include <genarch/acpi/acpi.h> |
47 | #include <genarch/acpi/acpi.h> |
48 | 48 | ||
49 | #include <arch/bios/bios.h> |
49 | #include <arch/bios/bios.h> |
50 | 50 | ||
51 | #include <arch/mm/memory_init.h> |
51 | #include <arch/mm/memory_init.h> |
52 | #include <interrupt.h> |
52 | #include <interrupt.h> |
- | 53 | #include <arch/debugger.h> |
|
53 | 54 | ||
54 | void arch_pre_mm_init(void) |
55 | void arch_pre_mm_init(void) |
55 | { |
56 | { |
56 | pm_init(); |
57 | pm_init(); |
57 | 58 | ||
58 | if (config.cpu_active == 1) { |
59 | if (config.cpu_active == 1) { |
59 | bios_init(); |
60 | bios_init(); |
60 | i8259_init(); /* PIC */ |
61 | i8259_init(); /* PIC */ |
61 | i8254_init(); /* hard clock */ |
62 | i8254_init(); /* hard clock */ |
62 | 63 | ||
63 | exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall); |
64 | exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall); |
64 | 65 | ||
65 | #ifdef CONFIG_SMP |
66 | #ifdef CONFIG_SMP |
66 | exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown", |
67 | exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown", |
67 | (iroutine) tlb_shootdown_ipi); |
68 | (iroutine) tlb_shootdown_ipi); |
68 | #endif /* CONFIG_SMP */ |
69 | #endif /* CONFIG_SMP */ |
69 | } |
70 | } |
70 | } |
71 | } |
71 | 72 | ||
72 | void arch_post_mm_init(void) |
73 | void arch_post_mm_init(void) |
73 | { |
74 | { |
74 | if (config.cpu_active == 1) { |
75 | if (config.cpu_active == 1) { |
75 | ega_init(); /* video */ |
76 | ega_init(); /* video */ |
- | 77 | /* Enable debugger */ |
|
- | 78 | debugger_init(); |
|
76 | } |
79 | } |
77 | } |
80 | } |
78 | 81 | ||
79 | void arch_pre_smp_init(void) |
82 | void arch_pre_smp_init(void) |
80 | { |
83 | { |
81 | if (config.cpu_active == 1) { |
84 | if (config.cpu_active == 1) { |
82 | memory_print_map(); |
85 | memory_print_map(); |
83 | 86 | ||
84 | #ifdef CONFIG_SMP |
87 | #ifdef CONFIG_SMP |
85 | acpi_init(); |
88 | acpi_init(); |
86 | #endif /* CONFIG_SMP */ |
89 | #endif /* CONFIG_SMP */ |
87 | } |
90 | } |
88 | } |
91 | } |
89 | 92 | ||
90 | void arch_post_smp_init(void) |
93 | void arch_post_smp_init(void) |
91 | { |
94 | { |
92 | i8042_init(); /* keyboard controller */ |
95 | i8042_init(); /* keyboard controller */ |
93 | } |
96 | } |
94 | 97 | ||
95 | void calibrate_delay_loop(void) |
98 | void calibrate_delay_loop(void) |
96 | { |
99 | { |
97 | i8254_calibrate_delay_loop(); |
100 | i8254_calibrate_delay_loop(); |
98 | if (config.cpu_active == 1) { |
101 | if (config.cpu_active == 1) { |
99 | /* |
102 | /* |
100 | * This has to be done only on UP. |
103 | * This has to be done only on UP. |
101 | * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked. |
104 | * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked. |
102 | */ |
105 | */ |
103 | i8254_normal_operation(); |
106 | i8254_normal_operation(); |
104 | } |
107 | } |
105 | } |
108 | } |
106 | 109 |