/* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * 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. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * 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_OSREFERENCE_LICENSE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ */ /* * Mach Operating System * Copyright (c) 1991,1990,1989,1988,1987 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. */ #ifdef KERNEL_PRIVATE #ifndef _PPC_SIMPLE_LOCK_TYPES_H_ #define _PPC_SIMPLE_LOCK_TYPES_H_ #ifdef KERNEL_PRIVATE #include <mach/boolean.h> #include <kern/kern_types.h> #include <sys/appleapiopts.h> #ifdef MACH_KERNEL_PRIVATE #include <ppc/hw_lock_types.h> #include <ppc/locks.h> #include <mach_ldebug.h> #endif #ifdef MACH_KERNEL_PRIVATE #if MACH_LDEBUG #define USLOCK_DEBUG 1 #else #define USLOCK_DEBUG 0 #endif #if !USLOCK_DEBUG typedef lck_spin_t usimple_lock_data_t, *usimple_lock_t; #else typedef struct uslock_debug { void *lock_pc; /* pc where lock operation began */ void *lock_thread; /* thread that acquired lock */ unsigned long duration[2]; unsigned short state; unsigned char lock_cpu; void *unlock_thread; /* last thread to release lock */ unsigned char unlock_cpu; void *unlock_pc; /* pc where lock operation ended */ } uslock_debug; typedef struct { hw_lock_data_t interlock; /* must be first... see lock.c */ unsigned short lock_type; /* must be second... see lock.c */ #define USLOCK_TAG 0x5353 uslock_debug debug; } usimple_lock_data_t, *usimple_lock_t; #endif /* USLOCK_DEBUG */ #else typedef struct slock { unsigned int lock_data[10]; } usimple_lock_data_t, *usimple_lock_t; #endif /* MACH_KERNEL_PRIVATE */ #define USIMPLE_LOCK_NULL ((usimple_lock_t) 0) #if !defined(decl_simple_lock_data) typedef usimple_lock_data_t *simple_lock_t; typedef usimple_lock_data_t simple_lock_data_t; #define decl_simple_lock_data(class,name) \ class simple_lock_data_t name; #endif /* !defined(decl_simple_lock_data) */ #ifdef MACH_KERNEL_PRIVATE #if !MACH_LDEBUG #define MACHINE_SIMPLE_LOCK extern void ppc_usimple_lock_init(simple_lock_t,unsigned short); 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 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)) #endif /* !MACH_LDEBUG */ extern unsigned int hw_lock_bit( unsigned int *, unsigned int, unsigned int); extern unsigned int hw_cpu_sync( unsigned int *, unsigned int); extern unsigned int hw_cpu_wcng( unsigned int *, unsigned int, unsigned int); extern unsigned int hw_lock_mbits( unsigned int *, unsigned int, unsigned int, unsigned int, unsigned int); void hw_unlock_bit( unsigned int *, unsigned int); #endif /* MACH_KERNEL_PRIVATE */ #endif /* KERNEL_PRIVATE */ #endif /* !_PPC_SIMPLE_LOCK_TYPES_H_ */ #endif /* KERNEL_PRIVATE */