WebSVN – HelenOS-historic – Diff – /kernel/trunk/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.
 */
 
#ifndef __CPU_H__
#define __CPU_H__
 
#include <arch/cpu.h>
#include <proc/scheduler.h>
#include <synch/spinlock.h>
#include <synch/waitq.h>
#include <arch/types.h>
#include <typedefs.h>
#include <arch/context.h>
#include <config.h>
#include <adt/list.h>
#include <mm/tlb.h>
 
#define CPU_STACK_SIZE  STACK_SIZE
 
/** CPU structure.
 *
 * There is one structure like this for every processor.
 */
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);
    link_t timeout_active_head;
 
    /**
     * Processor ID assigned by kernel.
     */
    int id;
   
    int active;
    int tlb_active;
 
    __u16 frequency_mhz;
    __u32 delay_loop_const;
 
    cpu_arch_t arch;
 
    thread_t *fpu_owner;
   
    /**
     * Stack used by scheduler when there is no running thread.
     */
    __u8 *stack;
};
 
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 788	Rev 1002
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 __CPU_H__	29	#ifndef __CPU_H__
30	#define __CPU_H__	30	#define __CPU_H__
31		31
32	#include <arch/cpu.h>	32	#include <arch/cpu.h>
33	#include <proc/scheduler.h>	33	#include <proc/scheduler.h>
34	#include <synch/spinlock.h>	34	#include <synch/spinlock.h>
35	#include <synch/waitq.h>	35	#include <synch/waitq.h>
36	#include <arch/types.h>	36	#include <arch/types.h>
37	#include <typedefs.h>	37	#include <typedefs.h>
38	#include <arch/context.h>	38	#include <arch/context.h>
39	#include <config.h>	39	#include <config.h>
40	#include <adt/list.h>	40	#include <adt/list.h>
-		41	#include <mm/tlb.h>
41		42
42	#define CPU_STACK_SIZE STACK_SIZE	43	#define CPU_STACK_SIZE STACK_SIZE
43		44
44	/** CPU structure.	45	/** CPU structure.
45	*	46	*
46	* There is one structure like this for every processor.	47	* There is one structure like this for every processor.
47	*/	48	*/
48	struct cpu {	49	struct cpu {
49	SPINLOCK_DECLARE(lock);	50	SPINLOCK_DECLARE(lock);
50		51
-		52	tlb_shootdown_msg_t tlb_messages[TLB_MESSAGE_QUEUE_LEN];
-		53	count_t tlb_messages_count;
-		54
51	context_t saved_context;	55	context_t saved_context;
52		56
53	atomic_t nrdy;	57	atomic_t nrdy;
54	runq_t rq[RQ_COUNT];	58	runq_t rq[RQ_COUNT];
55	volatile count_t needs_relink;	59	volatile count_t needs_relink;
56		60
57	SPINLOCK_DECLARE(timeoutlock);	61	SPINLOCK_DECLARE(timeoutlock);
58	link_t timeout_active_head;	62	link_t timeout_active_head;
59		63
60	/**	64	/**
61	* Processor ID assigned by kernel.	65	* Processor ID assigned by kernel.
62	*/	66	*/
63	int id;	67	int id;
64		68
65	int active;	69	int active;
66	int tlb_active;	70	int tlb_active;
67		71
68	__u16 frequency_mhz;	72	__u16 frequency_mhz;
69	__u32 delay_loop_const;	73	__u32 delay_loop_const;
70		74
71	cpu_arch_t arch;	75	cpu_arch_t arch;
72		76
73	thread_t *fpu_owner;	77	thread_t *fpu_owner;
74		78
75	/**	79	/**
76	* Stack used by scheduler when there is no running thread.	80	* Stack used by scheduler when there is no running thread.
77	*/	81	*/
78	__u8 *stack;	82	__u8 *stack;
79	};	83	};
80		84
81	extern cpu_t *cpus;	85	extern cpu_t *cpus;
82		86
83	extern void cpu_init(void);	87	extern void cpu_init(void);
84	extern void cpu_list(void);	88	extern void cpu_list(void);
85		89
86	extern void cpu_arch_init(void);	90	extern void cpu_arch_init(void);
87	extern void cpu_identify(void);	91	extern void cpu_identify(void);
88	extern void cpu_print_report(cpu_t *m);	92	extern void cpu_print_report(cpu_t *m);
89		93
90	#endif	94	#endif
91		95

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/generic/include/cpu.h – Rev 788 → 1002