Subversion Repositories HelenOS

Rev

Rev 1787 | Rev 1820 | 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
 
1819 decky 29
/** @addtogroup generic
1702 cejka 30
 * @{
31
 */
32
/** @file
33
 */
34
 
1 jermar 35
#ifndef __ARCH_H__
36
#define __ARCH_H__
37
 
38
#include <arch/types.h>
1170 vana 39
#include <arch/arch.h>
1 jermar 40
#include <typedefs.h>
41
 
42
#include <cpu.h>
16 jermar 43
#include <arch/cpu.h>
177 jermar 44
#include <arch/asm.h> 
1 jermar 45
 
221 jermar 46
#define CPU         THE->cpu
47
#define THREAD          THE->thread
48
#define TASK            THE->task
703 jermar 49
#define AS          THE->as
221 jermar 50
#define PREEMPTION_DISABLED THE->preemption_disabled
15 jermar 51
 
413 jermar 52
/**
173 jermar 53
 * For each possible kernel stack, structure
54
 * of the following type will be placed at
1139 jermar 55
 * the base address of the stack.
173 jermar 56
 */
57
struct the {
483 jermar 58
    count_t preemption_disabled;    /**< Preemption disabled counter. */
413 jermar 59
    thread_t *thread;       /**< Current thread. */
60
    task_t *task;           /**< Current task. */
61
    cpu_t *cpu;         /**< Executing cpu. */
703 jermar 62
    as_t *as;           /**< Current address space. */
173 jermar 63
};
64
 
177 jermar 65
#define THE     ((the_t *)(get_stack_base()))   
66
 
184 jermar 67
extern void the_initialize(the_t *the);
68
extern void the_copy(the_t *src, the_t *dst);
69
 
1223 jermar 70
extern void arch_pre_main(void);
26 jermar 71
extern void arch_pre_mm_init(void);
23 jermar 72
extern void arch_post_mm_init(void);
503 jermar 73
extern void arch_pre_smp_init(void);
74
extern void arch_post_smp_init(void);
1 jermar 75
extern void calibrate_delay_loop(void);
76
 
413 jermar 77
extern ipl_t interrupts_disable(void);
78
extern ipl_t interrupts_enable(void);
79
extern void interrupts_restore(ipl_t ipl);
80
extern ipl_t interrupts_read(void);
1 jermar 81
 
82
#endif
1702 cejka 83
 
1819 decky 84
/** @}
1702 cejka 85
 */