src/mcas/solaris_x86_defns.h

   1 /*
   2 Copyright (c) 2003, Keir Fraser All rights reserved.
   3
   4 Redistribution and use in source and binary forms, with or without
   5 modification, are permitted provided that the following conditions are
   6 met:
   7
   8     * Redistributions of source code must retain the above copyright
   9     * notice, this list of conditions and the following disclaimer.
  10     * Redistributions in binary form must reproduce the above
  11     * copyright notice, this list of conditions and the following
  12     * disclaimer in the documentation and/or other materials provided
  13     * with the distribution.  Neither the name of the Keir Fraser
  14     * nor the names of its contributors may be used to endorse or
  15     * promote products derived from this software without specific
  16     * prior written permission.
  17
  18 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29 */
  30
  31 #ifndef __SOLARIS_X86_DEFNS_H__
  32 #define __SOLARIS_X86_DEFNS_H__
  33
  34 #ifndef SOLARIS_X86_686
  35 #define SOLARIS_X86_686
  36 #endif
  37
  38 #include <sys/types.h>
  39 #include <sys/processor.h>
  40 #include <sys/procset.h>
  41 #include <sys/atomic.h>
  42 #include <sched.h>
  43 #include <alloca.h>
  44
  45 #define CACHE_LINE_SIZE 64
  46
  47 #if 0
  48 #include <thread.h>
  49 #define pthread_mutex_t mutex_t
  50 #define pthread_cond_t  cond_t
  51 #define pthread_t       thread_t
  52 #define pthread_key_t   thread_key_t
  53 #define pthread_create(_a,_b,_c,_d) thr_create(NULL,0,_c,_d,THR_BOUND|THR_NEW_LWP,_a)
  54 #define pthread_join(_a,_b) thr_join(_a,NULL,NULL)
  55 #define pthread_key_create(_a,_b) thr_keycreate(_a,_b)
  56 #define pthread_setspecific(_a,_b) thr_setspecific(_a,_b)
  57 static void *
  58 pthread_getspecific(pthread_key_t _a)
  59 {
  60     void *__x;
  61     thr_getspecific(_a, &__x);
  62     return __x;
  63 }
  64
  65 #define pthread_setconcurrency(_x) thr_setconcurrency(_x)
  66 #define pthread_mutex_init(_a,_b) mutex_init(_a,USYNC_THREAD,NULL)
  67 #define pthread_mutex_lock(_a) mutex_lock(_a)
  68 #define pthread_mutex_unlock(_a) mutex_unlock(_a)
  69 #define pthread_cond_init(_a,_b) cond_init(_a,USYNC_THREAD,NULL)
  70 #define pthread_cond_wait(_a,_b) cond_wait(_a,_b)
  71 #define pthread_cond_broadcast(_a) cond_broadcast(_a)
  72 #else
  73 #include <pthread.h>
  74 #endif
  75
  76
  77 /*
  78  * I. Compare-and-swap.
  79  */
  80
  81 #define CAS(_a, _o, _n)\
  82 atomic_cas_32((_a), (_o), (_n))
  83
  84 #define FAS(_a, _n)\
  85 atomic_swap_32((_a), (uint32_t)(_n))
  86
  87 /* Update Pointer location, return Old value. */
  88 #define FASPO(_a, _n)\
  89 atomic_swap_ptr((_a), (_n))
  90
  91 #define CASPO(_a, _o, _n)\
  92 atomic_cas_ptr((_a), (void *) (_o), (void *) (_n))
  93
  94 #define CAS64(_a, _o, _n)\
  95 (_u64) atomic_cas_64((volatile uint64_t *)(_a), (_o), (_n))
  96
  97 /* Update Integer location, return Old value. */
  98 #define CASIO(_a, _o, _n)\
  99 atomic_cas_32((volatile uint32_t *)(_a), (_o), (_n))
 100
 101 #define FASIO(_a, _n)\
 102 atomic_swap_32((volatile uint32_t *)(_a), (_n))
 103
 104 /* Update 32/64-bit location, return Old value. */
 105 #define CAS32O CAS
 106 #define CAS64O CAS64
 107
 108
 109 /*
 110  * II. Memory barriers.
 111  *  WMB(): All preceding write operations must commit before any later writes.
 112  *  RMB(): All preceding read operations must commit before any later reads.
 113  *  MB():  All preceding memory accesses must commit before any later accesses.
 114  *
 115  *  If the compiler does not observe these barriers (but any sane compiler
 116  *  will!), then VOLATILE should be defined as 'volatile'.
 117  */
 118
 119 #define WMB() membar_producer
 120 #define RMB() membar_consumer
 121 #define MB()\
 122 (membar_enter(),membar_exit(),membar_producer(),membar_consumer())
 123
 124 #define VOLATILE                volatile
 125
 126 /* On Intel, CAS is a strong barrier, but not a compile barrier. */
 127 #define RMB_NEAR_CAS() WMB()
 128 #define WMB_NEAR_CAS() WMB()
 129 #define MB_NEAR_CAS()  WMB()
 130
 131 /*
 132  * III. Cycle counter access.
 133  */
 134
 135 #if 1 /* Sun Studio 12 */
 136 typedef unsigned long long tick_t;
 137 #define RDTICK() \
 138     ({ tick_t __t; __asm__ __volatile__ ("rdtsc" : "=A" (__t)); __t; })
 139 #else
 140 typedef unsigned long tick_t;
 141 extern tick_t RDTICK(void);
 142 #endif
 143
 144
 145 /*
 146  * IV. Types.
 147  */
 148
 149 typedef unsigned char _u8;
 150 typedef unsigned short _u16;
 151 typedef unsigned int _u32;
 152 typedef unsigned long long _u64;
 153
 154 #endif /* __SOLARIS_X86_DEFNS_H__ */