WebSVN – HelenOS – Diff – /branches/rcu/kernel/generic/include/cpu.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_CPU_H_
#define KERN_CPU_H_
 
#include <mm/tlb.h>
#include <synch/spinlock.h>
#include <proc/scheduler.h>
#include <arch/cpu.h>
#include <arch/context.h>
#if defined CONFIG_TIMEOUT_AVL_TREE
#include <adt/avl.h>    
#elif defined CONFIG_TIMEOUT_EXTAVL_TREE
#include <adt/extavl.h> 
#elif defined CONFIG_TIMEOUT_EXTAVLREL_TREE
#include <adt/extavlrel.h>
#endif
 
 
#define CPU_STACK_SIZE  STACK_SIZE
 
/** CPU structure.
 *
 * There is one structure like this for every processor.
 */
typedef struct cpu {
    SPINLOCK_DECLARE(lock);
 
    tlb_shootdown_msg_t tlb_messages[TLB_MESSAGE_QUEUE_LEN];
    count_t tlb_messages_count;
   
    context_t saved_context;
 
    atomic_t nrdy;
    runq_t rq[RQ_COUNT];
    volatile count_t needs_relink;
 
    SPINLOCK_DECLARE(timeoutlock);
#if defined CONFIG_TIMEOUT_AVL_TREE
    /** AVL tree structure. */
    avltree_t timeout_active_tree;
#elif defined CONFIG_TIMEOUT_EXTAVL_TREE
    /** Extended AVL tree structure. */
    extavltree_t timeout_active_tree;
#elif defined CONFIG_TIMEOUT_EXTAVLREL_TREE
    /** Extended AVL tree structure with relative keys. */
    extavlreltree_t timeout_active_tree;
#else
    /** Head of list of timeouts. */
    link_t timeout_active_head;
#endif
 
    count_t missed_clock_ticks; /**< When system clock loses a tick, it is recorded here
                         so that clock() can react. This variable is
                         CPU-local and can be only accessed when interrupts
                         are disabled. */
 
    /**
     * Processor ID assigned by kernel.
     */
    unsigned int id;
   
    int active;
    int tlb_active;
 
    uint16_t frequency_mhz;
    uint32_t delay_loop_const;
 
    cpu_arch_t arch;
 
    struct thread *fpu_owner;
   
    /**
     * Stack used by scheduler when there is no running thread.
     */
    uint8_t *stack;
} cpu_t;
 
extern cpu_t *cpus;
 
extern void cpu_init(void);
extern void cpu_list(void);
 
extern void cpu_arch_init(void);
extern void cpu_identify(void);
extern void cpu_print_report(cpu_t *m);
 
#endif
 
/** @}
 */
 

Rev 2416	Rev 2421
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_CPU_H_	35	#ifndef KERN_CPU_H_
36	#define KERN_CPU_H_	36	#define KERN_CPU_H_
37		37
38	#include <mm/tlb.h>	38	#include <mm/tlb.h>
39	#include <synch/spinlock.h>	39	#include <synch/spinlock.h>
40	#include <proc/scheduler.h>	40	#include <proc/scheduler.h>
41	#include <arch/cpu.h>	41	#include <arch/cpu.h>
42	#include <arch/context.h>	42	#include <arch/context.h>
-		43	#if defined CONFIG_TIMEOUT_AVL_TREE
-		44	#include <adt/avl.h>
43	#ifdef CONFIG_TIMEOUT_EXTAVL_TREE	45	#elif defined CONFIG_TIMEOUT_EXTAVL_TREE
44	#include <adt/extavl.h>	46	#include <adt/extavl.h>
-		47	#elif defined CONFIG_TIMEOUT_EXTAVLREL_TREE
-		48	#include <adt/extavlrel.h>
45	#endif	49	#endif
46		50
47		-
48	#define CPU_STACK_SIZE STACK_SIZE	51	#define CPU_STACK_SIZE STACK_SIZE
49		52
50	/** CPU structure.	53	/** CPU structure.
51	*	54	*
52	* There is one structure like this for every processor.	55	* There is one structure like this for every processor.
53	*/	56	*/
54	typedef struct cpu {	57	typedef struct cpu {
55	SPINLOCK_DECLARE(lock);	58	SPINLOCK_DECLARE(lock);
56		59
57	tlb_shootdown_msg_t tlb_messages[TLB_MESSAGE_QUEUE_LEN];	60	tlb_shootdown_msg_t tlb_messages[TLB_MESSAGE_QUEUE_LEN];
58	count_t tlb_messages_count;	61	count_t tlb_messages_count;
59		62
60	context_t saved_context;	63	context_t saved_context;
61		64
62	atomic_t nrdy;	65	atomic_t nrdy;
63	runq_t rq[RQ_COUNT];	66	runq_t rq[RQ_COUNT];
64	volatile count_t needs_relink;	67	volatile count_t needs_relink;
65		68
66	SPINLOCK_DECLARE(timeoutlock);	69	SPINLOCK_DECLARE(timeoutlock);
67	#if defined CONFIG_TIMEOUT_AVL_TREE	70	#if defined CONFIG_TIMEOUT_AVL_TREE
68	/** AVL tree structure. */	71	/** AVL tree structure. */
69	avltree_t timeout_active_tree;	72	avltree_t timeout_active_tree;
70	#elif defined CONFIG_TIMEOUT_EXTAVL_TREE	73	#elif defined CONFIG_TIMEOUT_EXTAVL_TREE
71	/** Extended AVL tree structure. */	74	/** Extended AVL tree structure. */
72	extavltree_t timeout_active_tree;	75	extavltree_t timeout_active_tree;
73	#elif defined CONFIG_TIMEOUT_EXTAVLREL_TREE	76	#elif defined CONFIG_TIMEOUT_EXTAVLREL_TREE
74	/** Extended AVL tree structure with relative keys. */	77	/** Extended AVL tree structure with relative keys. */
75	extavlreltree_t timeout_active_tree;	78	extavlreltree_t timeout_active_tree;
76	#else	79	#else
77	/** Head of list of timeouts. */	80	/** Head of list of timeouts. */
78	link_t timeout_active_head;	81	link_t timeout_active_head;
79	#endif	82	#endif
80		83
81	count_t missed_clock_ticks; /**< When system clock loses a tick, it is recorded here	84	count_t missed_clock_ticks; /**< When system clock loses a tick, it is recorded here
82	so that clock() can react. This variable is	85	so that clock() can react. This variable is
83	CPU-local and can be only accessed when interrupts	86	CPU-local and can be only accessed when interrupts
84	are disabled. */	87	are disabled. */
85		88
86	/**	89	/**
87	* Processor ID assigned by kernel.	90	* Processor ID assigned by kernel.
88	*/	91	*/
89	unsigned int id;	92	unsigned int id;
90		93
91	int active;	94	int active;
92	int tlb_active;	95	int tlb_active;
93		96
94	uint16_t frequency_mhz;	97	uint16_t frequency_mhz;
95	uint32_t delay_loop_const;	98	uint32_t delay_loop_const;
96		99
97	cpu_arch_t arch;	100	cpu_arch_t arch;
98		101
99	struct thread *fpu_owner;	102	struct thread *fpu_owner;
100		103
101	/**	104	/**
102	* Stack used by scheduler when there is no running thread.	105	* Stack used by scheduler when there is no running thread.
103	*/	106	*/
104	uint8_t *stack;	107	uint8_t *stack;
105	} cpu_t;	108	} cpu_t;
106		109
107	extern cpu_t *cpus;	110	extern cpu_t *cpus;
108		111
109	extern void cpu_init(void);	112	extern void cpu_init(void);
110	extern void cpu_list(void);	113	extern void cpu_list(void);
111		114
112	extern void cpu_arch_init(void);	115	extern void cpu_arch_init(void);
113	extern void cpu_identify(void);	116	extern void cpu_identify(void);
114	extern void cpu_print_report(cpu_t *m);	117	extern void cpu_print_report(cpu_t *m);
115		118
116	#endif	119	#endif
117		120
118	/** @}	121	/** @}
119	*/	122	*/
120		123

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(root)/branches/rcu/kernel/generic/include/cpu.h @ 2416 – Rev 2416 → 2421