WebSVN – HelenOS – Diff – /trunk/kernel/generic/include/arch.h


/*
 * Copyright (c) 2001-2004 Jakub Jermar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
/** @addtogroup generic
 * @{
 */
/** @file
 */
 
#ifndef KERN_ARCH_H_
#define KERN_ARCH_H_
 
#include <arch/types.h>
#include <arch/arch.h>
#include <typedefs.h>
 
#include <cpu.h>
#include <arch/cpu.h>
#include <arch/asm.h> 
 
#define DEFAULT_CONTEXT     0
 
#define CPU         THE->cpu
#define THREAD          THE->thread
#define TASK            THE->task
#define AS          THE->as
#define CONTEXT     (THE->task ? THE->task->context : DEFAULT_CONTEXT)
#define PREEMPTION_DISABLED THE->preemption_disabled
 
#define context_check(ctx1, ctx2)   ((ctx1) == (ctx2))
 
/**
 * For each possible kernel stack, structure
 * of the following type will be placed at
 * the base address of the stack.
 */
struct the {
    count_t preemption_disabled;    /**< Preemption disabled counter. */
    thread_t *thread;       /**< Current thread. */
    task_t *task;           /**< Current task. */
    cpu_t *cpu;         /**< Executing cpu. */
    as_t *as;           /**< Current address space. */
};
 
#define THE     ((the_t *)(get_stack_base()))
 
extern void the_initialize(the_t *the);
extern void the_copy(the_t *src, the_t *dst);
 
extern void arch_pre_main(void);
extern void arch_pre_mm_init(void);
extern void arch_post_mm_init(void);
extern void arch_post_cpu_init(void);
extern void arch_pre_smp_init(void);
extern void arch_post_smp_init(void);
extern void calibrate_delay_loop(void);
 
#endif
 
/** @}
 */
 

Subversion Repositories HelenOS

(root)/trunk/kernel/generic/include/arch.h – Rev 1901 → 2071

Rev 1901		Rev 2071
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	/** @addtogroup generic	29	/** @addtogroup generic
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#ifndef KERN_ARCH_H_	35	#ifndef KERN_ARCH_H_
36	#define KERN_ARCH_H_	36	#define KERN_ARCH_H_
37		37
38	#include <arch/types.h>	38	#include <arch/types.h>
39	#include <arch/arch.h>	39	#include <arch/arch.h>
40	#include <typedefs.h>	40	#include <typedefs.h>
41		41
42	#include <cpu.h>	42	#include <cpu.h>
43	#include <arch/cpu.h>	43	#include <arch/cpu.h>
44	#include <arch/asm.h>	44	#include <arch/asm.h>
45		45
46	#define DEFAULT_CONTEXT 0	46	#define DEFAULT_CONTEXT 0
47		47
48	#define CPU THE->cpu	48	#define CPU THE->cpu
49	#define THREAD THE->thread	49	#define THREAD THE->thread
50	#define TASK THE->task	50	#define TASK THE->task
51	#define AS THE->as	51	#define AS THE->as
52	#define CONTEXT (THE->task ? THE->task->context : DEFAULT_CONTEXT)	52	#define CONTEXT (THE->task ? THE->task->context : DEFAULT_CONTEXT)
53	#define PREEMPTION_DISABLED THE->preemption_disabled	53	#define PREEMPTION_DISABLED THE->preemption_disabled
54		54
55	#define context_check(ctx1, ctx2) ((ctx1) == (ctx2))	55	#define context_check(ctx1, ctx2) ((ctx1) == (ctx2))
56		56
57	/**	57	/**
58	* For each possible kernel stack, structure	58	* For each possible kernel stack, structure
59	* of the following type will be placed at	59	* of the following type will be placed at
60	* the base address of the stack.	60	* the base address of the stack.
61	*/	61	*/
62	struct the {	62	struct the {
63	count_t preemption_disabled; /*< Preemption disabled counter. /	63	count_t preemption_disabled; /*< Preemption disabled counter. /
64	thread_t thread; /< Current thread. /	64	thread_t thread; /< Current thread. /
65	task_t task; /< Current task. /	65	task_t task; /< Current task. /
66	cpu_t cpu; /< Executing cpu. /	66	cpu_t cpu; /< Executing cpu. /
67	as_t as; /< Current address space. /	67	as_t as; /< Current address space. /
68	};	68	};
69		69
70	#define THE ((the_t *)(get_stack_base()))	70	#define THE ((the_t *)(get_stack_base()))
71		71
72	extern void the_initialize(the_t *the);	72	extern void the_initialize(the_t *the);
73	extern void the_copy(the_t src, the_t dst);	73	extern void the_copy(the_t src, the_t dst);
74		74
75	extern void arch_pre_main(void);	75	extern void arch_pre_main(void);
76	extern void arch_pre_mm_init(void);	76	extern void arch_pre_mm_init(void);
77	extern void arch_post_mm_init(void);	77	extern void arch_post_mm_init(void);
78	extern void arch_post_cpu_init(void);	78	extern void arch_post_cpu_init(void);
79	extern void arch_pre_smp_init(void);	79	extern void arch_pre_smp_init(void);
80	extern void arch_post_smp_init(void);	80	extern void arch_post_smp_init(void);
81	extern void calibrate_delay_loop(void);	81	extern void calibrate_delay_loop(void);
82		82
83	#endif	83	#endif
84		84
85	/** @}	85	/** @}
86	*/	86	*/
87		87