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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 <arch/i8042.h> |
37 | #include <arch/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 <arch/acpi/acpi.h> |
47 | #include <arch/acpi/acpi.h> |
| 48 | #include <arch/mm/memory_init.h> |
48 | #include <arch/mm/memory_init.h> |
| 49 | 49 | ||
| 50 | void arch_pre_mm_init(void) |
50 | void arch_pre_mm_init(void) |
| 51 | { |
51 | { |
| 52 | pm_init(); |
52 | pm_init(); |
| 53 | 53 | ||
| 54 | write_dr0(config.cpu_active - 1); |
- | |
| 55 | - | ||
| 56 | if (config.cpu_active == 1) { |
54 | if (config.cpu_active == 1) { |
| 57 | bios_init(); |
55 | bios_init(); |
| 58 | i8042_init(); /* a20 bit */ |
56 | i8042_init(); /* a20 bit */ |
| 59 | i8259_init(); /* PIC */ |
57 | i8259_init(); /* PIC */ |
| 60 | i8254_init(); /* hard clock */ |
58 | i8254_init(); /* hard clock */ |
| 61 | 59 | ||
| 62 | trap_register(VECTOR_SYSCALL, syscall); |
60 | trap_register(VECTOR_SYSCALL, syscall); |
| 63 | 61 | ||
| 64 | #ifdef __SMP__ |
62 | #ifdef __SMP__ |
| 65 | trap_register(VECTOR_TLB_SHOOTDOWN_IPI, tlb_shootdown_ipi); |
63 | trap_register(VECTOR_TLB_SHOOTDOWN_IPI, tlb_shootdown_ipi); |
| 66 | trap_register(VECTOR_WAKEUP_IPI, wakeup_ipi); |
64 | trap_register(VECTOR_WAKEUP_IPI, wakeup_ipi); |
| 67 | #endif /* __SMP__ */ |
65 | #endif /* __SMP__ */ |
| 68 | } |
66 | } |
| 69 | } |
67 | } |
| 70 | 68 | ||
| 71 | void arch_post_mm_init(void) |
69 | void arch_post_mm_init(void) |
| 72 | { |
70 | { |
| 73 | if (config.cpu_active == 1) { |
71 | if (config.cpu_active == 1) { |
| 74 | ega_init(); /* video */ |
72 | ega_init(); /* video */ |
| 75 | } |
73 | } |
| 76 | } |
74 | } |
| 77 | 75 | ||
| 78 | void arch_late_init(void) |
76 | void arch_late_init(void) |
| 79 | { |
77 | { |
| 80 | if (config.cpu_active == 1) { |
78 | if (config.cpu_active == 1) { |
| 81 | memory_print_map(); |
79 | memory_print_map(); |
| 82 | 80 | ||
| 83 | #ifdef __SMP__ |
81 | #ifdef __SMP__ |
| 84 | acpi_init(); |
82 | acpi_init(); |
| 85 | #endif /* __SMP__ */ |
83 | #endif /* __SMP__ */ |
| 86 | } |
84 | } |
| 87 | } |
85 | } |
| 88 | 86 | ||
| 89 | void calibrate_delay_loop(void) |
87 | void calibrate_delay_loop(void) |
| 90 | { |
88 | { |
| 91 | i8254_calibrate_delay_loop(); |
89 | i8254_calibrate_delay_loop(); |
| 92 | i8254_normal_operation(); |
90 | i8254_normal_operation(); |
| 93 | } |
91 | } |
| 94 | 92 | ||