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);
#ifdef CONFIG_TIMEOUT_EXTAVL_TREE
    /** Extended AVL tree structure. */
    extavltree_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 2131	Rev 2336
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
-		44	#include <adt/extavl.h>
-		45	#endif
-		46
43		47
44	#define CPU_STACK_SIZE STACK_SIZE	48	#define CPU_STACK_SIZE STACK_SIZE
45		49
46	/** CPU structure.	50	/** CPU structure.
47	*	51	*
48	* There is one structure like this for every processor.	52	* There is one structure like this for every processor.
49	*/	53	*/
50	typedef struct {	54	typedef struct cpu {
51	SPINLOCK_DECLARE(lock);	55	SPINLOCK_DECLARE(lock);
52		56
53	tlb_shootdown_msg_t tlb_messages[TLB_MESSAGE_QUEUE_LEN];	57	tlb_shootdown_msg_t tlb_messages[TLB_MESSAGE_QUEUE_LEN];
54	count_t tlb_messages_count;	58	count_t tlb_messages_count;
55		59
56	context_t saved_context;	60	context_t saved_context;
57		61
58	atomic_t nrdy;	62	atomic_t nrdy;
59	runq_t rq[RQ_COUNT];	63	runq_t rq[RQ_COUNT];
60	volatile count_t needs_relink;	64	volatile count_t needs_relink;
61		65
62	SPINLOCK_DECLARE(timeoutlock);	66	SPINLOCK_DECLARE(timeoutlock);
-		67	#ifdef CONFIG_TIMEOUT_EXTAVL_TREE
-		68	/** Extended AVL tree structure. */
-		69	extavltree_t timeout_active_tree;
-		70	#else
-		71	/** Head of list of timeouts. */
63	link_t timeout_active_head;	72	link_t timeout_active_head;
-		73	#endif
64		74
65	count_t missed_clock_ticks; /**< When system clock loses a tick, it is recorded here	75	count_t missed_clock_ticks; /**< When system clock loses a tick, it is recorded here
66	so that clock() can react. This variable is	76	so that clock() can react. This variable is
67	CPU-local and can be only accessed when interrupts	77	CPU-local and can be only accessed when interrupts
68	are disabled. */	78	are disabled. */
69		79
70	/**	80	/**
71	* Processor ID assigned by kernel.	81	* Processor ID assigned by kernel.
72	*/	82	*/
73	unsigned int id;	83	unsigned int id;
74		84
75	int active;	85	int active;
76	int tlb_active;	86	int tlb_active;
77		87
78	uint16_t frequency_mhz;	88	uint16_t frequency_mhz;
79	uint32_t delay_loop_const;	89	uint32_t delay_loop_const;
80		90
81	cpu_arch_t arch;	91	cpu_arch_t arch;
82		92
83	struct thread *fpu_owner;	93	struct thread *fpu_owner;
84		94
85	/**	95	/**
86	* Stack used by scheduler when there is no running thread.	96	* Stack used by scheduler when there is no running thread.
87	*/	97	*/
88	uint8_t *stack;	98	uint8_t *stack;
89	} cpu_t;	99	} cpu_t;
90		100
91	extern cpu_t *cpus;	101	extern cpu_t *cpus;
92		102
93	extern void cpu_init(void);	103	extern void cpu_init(void);
94	extern void cpu_list(void);	104	extern void cpu_list(void);
95		105
96	extern void cpu_arch_init(void);	106	extern void cpu_arch_init(void);
97	extern void cpu_identify(void);	107	extern void cpu_identify(void);
98	extern void cpu_print_report(cpu_t *m);	108	extern void cpu_print_report(cpu_t *m);
99		109
100	#endif	110	#endif
101		111
102	/** @}	112	/** @}
103	*/	113	*/
104		114

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(root)/branches/rcu/kernel/generic/include/cpu.h – Rev 2131 → 2336