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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 | 46 | ||
47 | 47 | ||
48 | void arch_init(void) |
48 | void arch_init(void) |
49 | { |
49 | { |
50 | pm_init(); |
50 | pm_init(); |
51 | 51 | ||
52 | if (config.cpu_active == 1) { |
52 | if (config.cpu_active == 1) { |
53 | ega_init(); /* video */ |
53 | ega_init(); /* video */ |
54 | i8042_init(); /* a20 bit */ |
54 | i8042_init(); /* a20 bit */ |
55 | i8259_init(); /* PIC */ |
55 | i8259_init(); /* PIC */ |
56 | i8254_init(); /* hard clock */ |
56 | i8254_init(); /* hard clock */ |
57 | 57 | ||
58 | trap_register(VECTOR_SYSCALL, syscall); |
58 | trap_register(VECTOR_SYSCALL, syscall); |
- | 59 | ||
- | 60 | #ifdef __SMP__ |
|
- | 61 | trap_register(VECTOR_TLB_SHUTDOWN, tlb_shutdown_ipi); |
|
- | 62 | #endif /* __SMP__ */ |
|
59 | } |
63 | } |
60 | } |
64 | } |
61 | 65 | ||
62 | void calibrate_delay_loop(void) |
66 | void calibrate_delay_loop(void) |
63 | { |
67 | { |
64 | i8254_calibrate_delay_loop(); |
68 | i8254_calibrate_delay_loop(); |
65 | i8254_normal_operation(); |
69 | i8254_normal_operation(); |
66 | } |
70 | } |
67 | 71 |