Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 | /* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_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. 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@ */ /* * @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 */ |