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>
#ifdef CONFIG_TIMEOUT_EXTAVL_TREE
#include <adt/extavl.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 2336	Rev 2416
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	#ifdef CONFIG_TIMEOUT_EXTAVL_TREE	43	#ifdef CONFIG_TIMEOUT_EXTAVL_TREE
44	#include <adt/extavl.h>	44	#include <adt/extavl.h>
45	#endif	45	#endif
46		46
47		47
48	#define CPU_STACK_SIZE STACK_SIZE	48	#define CPU_STACK_SIZE STACK_SIZE
49		49
50	/** CPU structure.	50	/** CPU structure.
51	*	51	*
52	* There is one structure like this for every processor.	52	* There is one structure like this for every processor.
53	*/	53	*/
54	typedef struct cpu {	54	typedef struct cpu {
55	SPINLOCK_DECLARE(lock);	55	SPINLOCK_DECLARE(lock);
56		56
57	tlb_shootdown_msg_t tlb_messages[TLB_MESSAGE_QUEUE_LEN];	57	tlb_shootdown_msg_t tlb_messages[TLB_MESSAGE_QUEUE_LEN];
58	count_t tlb_messages_count;	58	count_t tlb_messages_count;
59		59
60	context_t saved_context;	60	context_t saved_context;
61		61
62	atomic_t nrdy;	62	atomic_t nrdy;
63	runq_t rq[RQ_COUNT];	63	runq_t rq[RQ_COUNT];
64	volatile count_t needs_relink;	64	volatile count_t needs_relink;
65		65
66	SPINLOCK_DECLARE(timeoutlock);	66	SPINLOCK_DECLARE(timeoutlock);
-		67	#if defined CONFIG_TIMEOUT_AVL_TREE
-		68	/** AVL tree structure. */
-		69	avltree_t timeout_active_tree;
67	#ifdef CONFIG_TIMEOUT_EXTAVL_TREE	70	#elif defined CONFIG_TIMEOUT_EXTAVL_TREE
68	/** Extended AVL tree structure. */	71	/** Extended AVL tree structure. */
69	extavltree_t timeout_active_tree;	72	extavltree_t timeout_active_tree;
-		73	#elif defined CONFIG_TIMEOUT_EXTAVLREL_TREE
-		74	/** Extended AVL tree structure with relative keys. */
-		75	extavlreltree_t timeout_active_tree;
70	#else	76	#else
71	/** Head of list of timeouts. */	77	/** Head of list of timeouts. */
72	link_t timeout_active_head;	78	link_t timeout_active_head;
73	#endif	79	#endif
74		80
75	count_t missed_clock_ticks; /**< When system clock loses a tick, it is recorded here	81	count_t missed_clock_ticks; /**< When system clock loses a tick, it is recorded here
76	so that clock() can react. This variable is	82	so that clock() can react. This variable is
77	CPU-local and can be only accessed when interrupts	83	CPU-local and can be only accessed when interrupts
78	are disabled. */	84	are disabled. */
79		85
80	/**	86	/**
81	* Processor ID assigned by kernel.	87	* Processor ID assigned by kernel.
82	*/	88	*/
83	unsigned int id;	89	unsigned int id;
84		90
85	int active;	91	int active;
86	int tlb_active;	92	int tlb_active;
87		93
88	uint16_t frequency_mhz;	94	uint16_t frequency_mhz;
89	uint32_t delay_loop_const;	95	uint32_t delay_loop_const;
90		96
91	cpu_arch_t arch;	97	cpu_arch_t arch;
92		98
93	struct thread *fpu_owner;	99	struct thread *fpu_owner;
94		100
95	/**	101	/**
96	* Stack used by scheduler when there is no running thread.	102	* Stack used by scheduler when there is no running thread.
97	*/	103	*/
98	uint8_t *stack;	104	uint8_t *stack;
99	} cpu_t;	105	} cpu_t;
100		106
101	extern cpu_t *cpus;	107	extern cpu_t *cpus;
102		108
103	extern void cpu_init(void);	109	extern void cpu_init(void);
104	extern void cpu_list(void);	110	extern void cpu_list(void);
105		111
106	extern void cpu_arch_init(void);	112	extern void cpu_arch_init(void);
107	extern void cpu_identify(void);	113	extern void cpu_identify(void);
108	extern void cpu_print_report(cpu_t *m);	114	extern void cpu_print_report(cpu_t *m);
109		115
110	#endif	116	#endif
111		117
112	/** @}	118	/** @}
113	*/	119	*/
114		120

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(root)/branches/rcu/kernel/generic/include/cpu.h @ 2336 – Rev 2336 → 2416