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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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391 | jermar | 42 | #define VM THE->vm |
221 | jermar | 43 | #define PREEMPTION_DISABLED THE->preemption_disabled |
15 | jermar | 44 | |
210 | decky | 45 | #ifndef early_mapping |
46 | #define early_mapping(stack, size) |
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47 | #endif /* early_mapping */ |
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48 | |||
413 | jermar | 49 | /** |
173 | jermar | 50 | * For each possible kernel stack, structure |
51 | * of the following type will be placed at |
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52 | * the bottom of the stack. |
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53 | */ |
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54 | struct the { |
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483 | jermar | 55 | count_t preemption_disabled; /**< Preemption disabled counter. */ |
413 | jermar | 56 | thread_t *thread; /**< Current thread. */ |
57 | task_t *task; /**< Current task. */ |
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58 | cpu_t *cpu; /**< Executing cpu. */ |
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59 | vm_t *vm; /**< Current vm. */ |
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173 | jermar | 60 | }; |
61 | |||
177 | jermar | 62 | #define THE ((the_t *)(get_stack_base())) |
63 | |||
184 | jermar | 64 | extern void the_initialize(the_t *the); |
65 | extern void the_copy(the_t *src, the_t *dst); |
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66 | |||
26 | jermar | 67 | extern void arch_pre_mm_init(void); |
23 | jermar | 68 | extern void arch_post_mm_init(void); |
503 | jermar | 69 | extern void arch_pre_smp_init(void); |
70 | extern void arch_post_smp_init(void); |
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1 | jermar | 71 | extern void calibrate_delay_loop(void); |
72 | |||
413 | jermar | 73 | extern ipl_t interrupts_disable(void); |
74 | extern ipl_t interrupts_enable(void); |
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75 | extern void interrupts_restore(ipl_t ipl); |
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76 | extern ipl_t interrupts_read(void); |
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1 | jermar | 77 | |
78 | #endif |