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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 | #ifndef __ARCH_H__ |
29 | #ifndef __ARCH_H__ |
30 | #define __ARCH_H__ |
30 | #define __ARCH_H__ |
31 | 31 | ||
32 | #include <arch/types.h> |
32 | #include <arch/types.h> |
- | 33 | #include <arch/arch.h> |
|
33 | #include <typedefs.h> |
34 | #include <typedefs.h> |
34 | 35 | ||
35 | #include <cpu.h> |
36 | #include <cpu.h> |
36 | #include <arch/cpu.h> |
37 | #include <arch/cpu.h> |
37 | #include <arch/asm.h> |
38 | #include <arch/asm.h> |
38 | 39 | ||
39 | #define CPU THE->cpu |
40 | #define CPU THE->cpu |
40 | #define THREAD THE->thread |
41 | #define THREAD THE->thread |
41 | #define TASK THE->task |
42 | #define TASK THE->task |
42 | #define AS THE->as |
43 | #define AS THE->as |
43 | #define PREEMPTION_DISABLED THE->preemption_disabled |
44 | #define PREEMPTION_DISABLED THE->preemption_disabled |
44 | 45 | ||
45 | /** |
46 | /** |
46 | * For each possible kernel stack, structure |
47 | * For each possible kernel stack, structure |
47 | * of the following type will be placed at |
48 | * of the following type will be placed at |
48 | * the base address of the stack. |
49 | * the base address of the stack. |
49 | */ |
50 | */ |
50 | struct the { |
51 | struct the { |
51 | count_t preemption_disabled; /**< Preemption disabled counter. */ |
52 | count_t preemption_disabled; /**< Preemption disabled counter. */ |
52 | thread_t *thread; /**< Current thread. */ |
53 | thread_t *thread; /**< Current thread. */ |
53 | task_t *task; /**< Current task. */ |
54 | task_t *task; /**< Current task. */ |
54 | cpu_t *cpu; /**< Executing cpu. */ |
55 | cpu_t *cpu; /**< Executing cpu. */ |
55 | as_t *as; /**< Current address space. */ |
56 | as_t *as; /**< Current address space. */ |
56 | }; |
57 | }; |
57 | 58 | ||
58 | #define THE ((the_t *)(get_stack_base())) |
59 | #define THE ((the_t *)(get_stack_base())) |
59 | 60 | ||
60 | extern void the_initialize(the_t *the); |
61 | extern void the_initialize(the_t *the); |
61 | extern void the_copy(the_t *src, the_t *dst); |
62 | extern void the_copy(the_t *src, the_t *dst); |
62 | 63 | ||
63 | extern void arch_pre_mm_init(void); |
64 | extern void arch_pre_mm_init(void); |
64 | extern void arch_post_mm_init(void); |
65 | extern void arch_post_mm_init(void); |
65 | extern void arch_pre_smp_init(void); |
66 | extern void arch_pre_smp_init(void); |
66 | extern void arch_post_smp_init(void); |
67 | extern void arch_post_smp_init(void); |
67 | extern void calibrate_delay_loop(void); |
68 | extern void calibrate_delay_loop(void); |
68 | 69 | ||
69 | extern ipl_t interrupts_disable(void); |
70 | extern ipl_t interrupts_disable(void); |
70 | extern ipl_t interrupts_enable(void); |
71 | extern ipl_t interrupts_enable(void); |
71 | extern void interrupts_restore(ipl_t ipl); |
72 | extern void interrupts_restore(ipl_t ipl); |
72 | extern ipl_t interrupts_read(void); |
73 | extern ipl_t interrupts_read(void); |
73 | 74 | ||
74 | #endif |
75 | #endif |
75 | 76 |