osfmk/kern/cpu_data.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * @OSF_COPYRIGHT@
  24  */
  25
  26 #ifndef _CPU_DATA_H_
  27 #define _CPU_DATA_H_
  28
  29 #ifdef MACH_KERNEL_PRIVATE
  30 #include <cpus.h>
  31 #include <mach/mach_types.h>
  32
  33 typedef struct
  34 {
  35         thread_t        active_thread;
  36         int             preemption_level;
  37         int             simple_lock_count;
  38         int             interrupt_level;
  39 #ifdef __I386__
  40         int             cpu_number;             /* Logical CPU number */
  41         int             cpu_phys_number;        /* Physical CPU Number */
  42 #endif
  43 } cpu_data_t;
  44
  45 extern cpu_data_t       cpu_data[NCPUS];
  46
  47 #include <machine/cpu_data.h>
  48
  49 #else /* !MACH_KERNEL_PRIVATE */
  50
  51 extern thread_t                                 current_thread(void);
  52 #define get_preemption_level()                  _get_preeption_level()
  53 #define get_simple_lock_count()                 _get_simple_lock_count()
  54 #define disable_preemption()                    _disable_preemption()
  55 #define enable_preemption()                     _enable_preemption()
  56 #define enable_preemption_no_check()            _enable_preemption_no_check()
  57 #define mp_disable_preemption()                 _mp_disable_preemption()
  58 #define mp_enable_preemption()                  _mp_enable_preemption()
  59 #define mp_enable_preemption_no_check()         _mp_enable_preemption_no_check()
  60
  61 #endif /* !MACH_KERNEL_PRIVATE */
  62
  63 #endif  /* _CPU_DATA_H_ */