[apple/xnu.git] / osfmk / ppc / lock.h

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * Copyright (C) 1998 Apple Computer
 * All Rights Reserved
 */
/*
 * @OSF_COPYRIGHT@
 */

/* 
 * Mach Operating System
 * Copyright (c) 1991,1990 Carnegie Mellon University
 * All Rights Reserved.
 * 
 * Permission to use, copy, modify and distribute this software and its
 * documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 * 
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 * 
 * Carnegie Mellon requests users of this software to return to
 * 
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 * 
 * any improvements or extensions that they make and grant Carnegie Mellon
 * the rights to redistribute these changes.
 */

#ifndef	_PPC_LOCK_H_
#define	_PPC_LOCK_H_

#include <sys/appleapiopts.h>

#ifdef __APPLE_API_PRIVATE

#include <kern/macro_help.h>
#include <kern/assert.h>
#include <mach/etap_events.h>
#include <mach/etap.h>

extern unsigned int LockTimeOut;			/* Number of hardware ticks of a lock timeout */

#if defined(MACH_KERNEL_PRIVATE)

#include <cpus.h>

#if !(NCPUS == 1 || ETAP_LOCK_TRACE || USLOCK_DEBUG)

#include <ppc/hw_lock_types.h>

#define __slock_held_func__(l)  hw_lock_held(l)

extern void                     ppc_usimple_lock_init(simple_lock_t,etap_event_t);
extern void                     ppc_usimple_lock(simple_lock_t);
extern void                     ppc_usimple_unlock_rwmb(simple_lock_t);
extern void                     ppc_usimple_unlock_rwcmb(simple_lock_t);
extern unsigned int             ppc_usimple_lock_try(simple_lock_t);

#define	MACHINE_SIMPLE_LOCK

#define simple_lock_init(l,t)	ppc_usimple_lock_init(l,t)
#define simple_lock(l)			ppc_usimple_lock(l)
#define simple_unlock(l)		ppc_usimple_unlock_rwcmb(l)
#define simple_unlock_rwmb(l)		ppc_usimple_unlock_rwmb(l)
#define simple_lock_try(l)		ppc_usimple_lock_try(l)  
#define simple_lock_addr(l)		(&(l))
#define thread_sleep_simple_lock(l, e, i) \
				thread_sleep_fast_usimple_lock((l), (e), (i))

#define mutex_unlock(l)		mutex_unlock_rwcmb(l)

#endif /* !(NCPUS == 1 || ETAP_LOCK_TRACE || USLOCK_DEBUG) */

#endif /* MACH_KERNEL_PRIVATE */

#endif /* __APPLE_API_PRIVATE */

#endif	/* _PPC_LOCK_H_ */
Commit	Line	Data
1c79356b A	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
43866e37	6	* Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
1c79356b	7	*
43866e37 A	8	* This file contains Original Code and/or Modifications of Original Code
	9	* as defined in and that are subject to the Apple Public Source License
	10	* Version 2.0 (the 'License'). You may not use this file except in
	11	* compliance with the License. Please obtain a copy of the License at
	12	* http://www.opensource.apple.com/apsl/ and read it before using this
	13	* file.
	14	*
	15	* The Original Code and all software distributed under the License are
	16	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
1c79356b A	17	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
1c79356b A	18	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
43866e37 A	19	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	20	* Please see the License for the specific language governing rights and
	21	* limitations under the License.
1c79356b A	22	*
	23	* @APPLE_LICENSE_HEADER_END@
	24	*/
	25	/*
	26	* Copyright (C) 1998 Apple Computer
	27	* All Rights Reserved
	28	*/
	29	/*
	30	* @OSF_COPYRIGHT@
	31	*/
	32
	33	/*
	34	* Mach Operating System
	35	* Copyright (c) 1991,1990 Carnegie Mellon University
	36	* All Rights Reserved.
	37	*
	38	* Permission to use, copy, modify and distribute this software and its
	39	* documentation is hereby granted, provided that both the copyright
	40	* notice and this permission notice appear in all copies of the
	41	* software, derivative works or modified versions, and any portions
	42	* thereof, and that both notices appear in supporting documentation.
	43	*
	44	* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
	45	* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
	46	* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
	47	*
	48	* Carnegie Mellon requests users of this software to return to
	49	*
	50	* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
	51	* School of Computer Science
	52	* Carnegie Mellon University
	53	* Pittsburgh PA 15213-3890
	54	*
	55	* any improvements or extensions that they make and grant Carnegie Mellon
	56	* the rights to redistribute these changes.
	57	*/
	58
0b4e3aa0 A	59	#ifndef _PPC_LOCK_H_
0b4e3aa0 A	60	#define _PPC_LOCK_H_
1c79356b	61
9bccf70c A	62	#include <sys/appleapiopts.h>
	63
	64	#ifdef __APPLE_API_PRIVATE
	65
1c79356b A	66	#include <kern/macro_help.h>
1c79356b A	67	#include <kern/assert.h>
55e303ae A	68	#include <mach/etap_events.h>
55e303ae A	69	#include <mach/etap.h>
1c79356b	70
0b4e3aa0	71	extern unsigned int LockTimeOut; /* Number of hardware ticks of a lock timeout */
1c79356b	72
9bccf70c A	73	#if defined(MACH_KERNEL_PRIVATE)
	74
	75	#include <cpus.h>
	76
	77	#if !(NCPUS == 1 \|\| ETAP_LOCK_TRACE \|\| USLOCK_DEBUG)
	78
	79	#include <ppc/hw_lock_types.h>
	80
9bccf70c A	81	#define __slock_held_func__(l) hw_lock_held(l)
9bccf70c A	82
55e303ae A	83	extern void ppc_usimple_lock_init(simple_lock_t,etap_event_t);
	84	extern void ppc_usimple_lock(simple_lock_t);
	85	extern void ppc_usimple_unlock_rwmb(simple_lock_t);
	86	extern void ppc_usimple_unlock_rwcmb(simple_lock_t);
	87	extern unsigned int ppc_usimple_lock_try(simple_lock_t);
1c79356b	88
55e303ae A	89	#define MACHINE_SIMPLE_LOCK
	90
	91	#define simple_lock_init(l,t) ppc_usimple_lock_init(l,t)
	92	#define simple_lock(l) ppc_usimple_lock(l)
	93	#define simple_unlock(l) ppc_usimple_unlock_rwcmb(l)
	94	#define simple_unlock_rwmb(l) ppc_usimple_unlock_rwmb(l)
	95	#define simple_lock_try(l) ppc_usimple_lock_try(l)
	96	#define simple_lock_addr(l) (&(l))
9bccf70c A	97	#define thread_sleep_simple_lock(l, e, i) \
	98	thread_sleep_fast_usimple_lock((l), (e), (i))
	99
55e303ae A	100	#define mutex_unlock(l) mutex_unlock_rwcmb(l)
55e303ae A	101
9bccf70c A	102	#endif /* !(NCPUS == 1 \|\| ETAP_LOCK_TRACE \|\| USLOCK_DEBUG) */
	103
	104	#endif /* MACH_KERNEL_PRIVATE */
0b4e3aa0	105
9bccf70c	106	#endif /* __APPLE_API_PRIVATE */
1c79356b	107
0b4e3aa0	108	#endif /* _PPC_LOCK_H_ */