WebSVN – HelenOS-historic – Diff – /kernel/trunk/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.
 */
 
#ifndef __ARCH_H__
#define __ARCH_H__
 
#include <arch/types.h>
#include <typedefs.h>
 
#include <cpu.h>
#include <arch/cpu.h>
#include <arch/asm.h> 
 
#define CPU         THE->cpu
#define THREAD          THE->thread
#define TASK            THE->task
#define VM          THE->vm
#define PREEMPTION_DISABLED THE->preemption_disabled
 
#ifndef early_mapping
#define early_mapping(stack, size)
#endif /* early_mapping */
 
/**
 * For each possible kernel stack, structure
 * of the following type will be placed at
 * the bottom 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. */
    vm_t *vm;           /**< Current vm. */
};
 
#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_mm_init(void);
extern void arch_post_mm_init(void);
extern void arch_pre_smp_init(void);
extern void arch_post_smp_init(void);
extern void calibrate_delay_loop(void);
 
extern ipl_t interrupts_disable(void);
extern ipl_t interrupts_enable(void);
extern void interrupts_restore(ipl_t ipl);
extern ipl_t interrupts_read(void);
 
#endif
 

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/generic/include/arch.h – Rev 501 → 503

Rev 501		Rev 503
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	#ifndef __ARCH_H__	29	#ifndef __ARCH_H__
30	#define __ARCH_H__	30	#define __ARCH_H__
31		31
32	#include <arch/types.h>	32	#include <arch/types.h>
33	#include <typedefs.h>	33	#include <typedefs.h>
34		34
35	#include <cpu.h>	35	#include <cpu.h>
36	#include <arch/cpu.h>	36	#include <arch/cpu.h>
37	#include <arch/asm.h>	37	#include <arch/asm.h>
38		38
39	#define CPU THE->cpu	39	#define CPU THE->cpu
40	#define THREAD THE->thread	40	#define THREAD THE->thread
41	#define TASK THE->task	41	#define TASK THE->task
42	#define VM THE->vm	42	#define VM THE->vm
43	#define PREEMPTION_DISABLED THE->preemption_disabled	43	#define PREEMPTION_DISABLED THE->preemption_disabled
44		44
45	#ifndef early_mapping	45	#ifndef early_mapping
46	#define early_mapping(stack, size)	46	#define early_mapping(stack, size)
47	#endif /* early_mapping */	47	#endif /* early_mapping */
48		48
49	/**	49	/**
50	* For each possible kernel stack, structure	50	* For each possible kernel stack, structure
51	* of the following type will be placed at	51	* of the following type will be placed at
52	* the bottom of the stack.	52	* the bottom of the stack.
53	*/	53	*/
54	struct the {	54	struct the {
55	count_t preemption_disabled; /*< Preemption disabled counter. /	55	count_t preemption_disabled; /*< Preemption disabled counter. /
56	thread_t thread; /< Current thread. /	56	thread_t thread; /< Current thread. /
57	task_t task; /< Current task. /	57	task_t task; /< Current task. /
58	cpu_t cpu; /< Executing cpu. /	58	cpu_t cpu; /< Executing cpu. /
59	vm_t vm; /< Current vm. /	59	vm_t vm; /< Current vm. /
60	};	60	};
61		61
62	#define THE ((the_t *)(get_stack_base()))	62	#define THE ((the_t *)(get_stack_base()))
63		63
64	extern void the_initialize(the_t *the);	64	extern void the_initialize(the_t *the);
65	extern void the_copy(the_t src, the_t dst);	65	extern void the_copy(the_t src, the_t dst);
66		66
67	extern void arch_pre_mm_init(void);	67	extern void arch_pre_mm_init(void);
68	extern void arch_post_mm_init(void);	68	extern void arch_post_mm_init(void);
-		69	extern void arch_pre_smp_init(void);
69	extern void arch_late_init(void);	70	extern void arch_post_smp_init(void);
70	extern void calibrate_delay_loop(void);	71	extern void calibrate_delay_loop(void);
71		72
72	extern ipl_t interrupts_disable(void);	73	extern ipl_t interrupts_disable(void);
73	extern ipl_t interrupts_enable(void);	74	extern ipl_t interrupts_enable(void);
74	extern void interrupts_restore(ipl_t ipl);	75	extern void interrupts_restore(ipl_t ipl);
75	extern ipl_t interrupts_read(void);	76	extern ipl_t interrupts_read(void);
76		77
77	#endif	78	#endif
78		79