Subversion Repositories HelenOS-historic

Rev

Rev 1139 | Rev 1223 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
1 jermar 1
/*
2
 * Copyright (C) 2001-2004 Jakub Jermar
3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
7
 * are met:
8
 *
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
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
15
 *   derived from this software without specific prior written permission.
16
 *
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
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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
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
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
28
 
29
#ifndef __ARCH_H__
30
#define __ARCH_H__
31
 
32
#include <arch/types.h>
1170 vana 33
#include <arch/arch.h>
1 jermar 34
#include <typedefs.h>
35
 
36
#include <cpu.h>
16 jermar 37
#include <arch/cpu.h>
177 jermar 38
#include <arch/asm.h> 
1 jermar 39
 
221 jermar 40
#define CPU         THE->cpu
41
#define THREAD          THE->thread
42
#define TASK            THE->task
703 jermar 43
#define AS          THE->as
221 jermar 44
#define PREEMPTION_DISABLED THE->preemption_disabled
15 jermar 45
 
413 jermar 46
/**
173 jermar 47
 * For each possible kernel stack, structure
48
 * of the following type will be placed at
1139 jermar 49
 * the base address of the stack.
173 jermar 50
 */
51
struct the {
483 jermar 52
    count_t preemption_disabled;    /**< Preemption disabled counter. */
413 jermar 53
    thread_t *thread;       /**< Current thread. */
54
    task_t *task;           /**< Current task. */
55
    cpu_t *cpu;         /**< Executing cpu. */
703 jermar 56
    as_t *as;           /**< Current address space. */
173 jermar 57
};
58
 
177 jermar 59
#define THE     ((the_t *)(get_stack_base()))   
60
 
184 jermar 61
extern void the_initialize(the_t *the);
62
extern void the_copy(the_t *src, the_t *dst);
63
 
26 jermar 64
extern void arch_pre_mm_init(void);
23 jermar 65
extern void arch_post_mm_init(void);
503 jermar 66
extern void arch_pre_smp_init(void);
67
extern void arch_post_smp_init(void);
1 jermar 68
extern void calibrate_delay_loop(void);
69
 
413 jermar 70
extern ipl_t interrupts_disable(void);
71
extern ipl_t interrupts_enable(void);
72
extern void interrupts_restore(ipl_t ipl);
73
extern ipl_t interrupts_read(void);
1 jermar 74
 
75
#endif