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| 1 | jermar | 1 | /* |
| 2 | * Copyright (C) 2001-2004 Jakub Jermar |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | #ifndef __ARCH_H__ |
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| 30 | #define __ARCH_H__ |
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| 31 | |||
| 32 | #include <arch/types.h> |
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| 33 | #include <typedefs.h> |
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| 34 | |||
| 35 | #include <cpu.h> |
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| 16 | jermar | 36 | #include <arch/cpu.h> |
| 177 | jermar | 37 | #include <arch/asm.h> |
| 1 | jermar | 38 | |
| 221 | jermar | 39 | #define CPU THE->cpu |
| 40 | #define THREAD THE->thread |
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| 41 | #define TASK THE->task |
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| 703 | jermar | 42 | #define AS THE->as |
| 221 | jermar | 43 | #define PREEMPTION_DISABLED THE->preemption_disabled |
| 15 | jermar | 44 | |
| 413 | jermar | 45 | /** |
| 173 | jermar | 46 | * For each possible kernel stack, structure |
| 47 | * of the following type will be placed at |
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| 48 | * the bottom of the stack. |
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| 49 | */ |
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| 50 | struct the { |
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| 483 | jermar | 51 | count_t preemption_disabled; /**< Preemption disabled counter. */ |
| 413 | jermar | 52 | thread_t *thread; /**< Current thread. */ |
| 53 | task_t *task; /**< Current task. */ |
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| 54 | cpu_t *cpu; /**< Executing cpu. */ |
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| 703 | jermar | 55 | as_t *as; /**< Current address space. */ |
| 173 | jermar | 56 | }; |
| 57 | |||
| 177 | jermar | 58 | #define THE ((the_t *)(get_stack_base())) |
| 59 | |||
| 184 | jermar | 60 | extern void the_initialize(the_t *the); |
| 61 | extern void the_copy(the_t *src, the_t *dst); |
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| 62 | |||
| 26 | jermar | 63 | extern void arch_pre_mm_init(void); |
| 23 | jermar | 64 | extern void arch_post_mm_init(void); |
| 503 | jermar | 65 | extern void arch_pre_smp_init(void); |
| 66 | extern void arch_post_smp_init(void); |
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| 1 | jermar | 67 | extern void calibrate_delay_loop(void); |
| 68 | |||
| 413 | jermar | 69 | extern ipl_t interrupts_disable(void); |
| 70 | extern ipl_t interrupts_enable(void); |
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| 71 | extern void interrupts_restore(ipl_t ipl); |
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| 72 | extern ipl_t interrupts_read(void); |
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| 1 | jermar | 73 | |
| 74 | #endif |