cpu_data.h

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    1 /*
    2  * Copyright (c) 2000-2004 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 
   27 #ifndef PPC_CPU_DATA
   28 #define PPC_CPU_DATA
   29 
   30 #ifdef  MACH_KERNEL_PRIVATE
   31 
   32 #include <mach/mach_types.h>
   33 #include <machine/thread.h>
   34 
   35 extern thread_t current_thread(void);
   36 extern __inline__ thread_t current_thread(void) 
   37 {
   38         thread_t        result;
   39 
   40         __asm__ volatile("mfsprg %0,1" : "=r" (result));
   41 
   42         return (result);
   43 }
   44 
   45 #define getPerProc()            current_thread()->machine.PerProc
   46 
   47 extern int                                      get_preemption_level(void);
   48 extern void                                     _enable_preemption_no_check(void);
   49 
   50 #define enable_preemption_no_check()            _enable_preemption_no_check()
   51 #define mp_disable_preemption()                 _disable_preemption()
   52 #define mp_enable_preemption()                  _enable_preemption()
   53 #define mp_enable_preemption_no_check()         _enable_preemption_no_check()
   54 
   55 #endif  /* MACH_KERNEL_PRIVATE */
   56 
   57 #endif  /* PPC_CPU_DATA */

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This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.

FreeBSD/Linux Kernel Cross Reference sys/osfmk/ppc/cpu_data.h

FreeBSD/Linux Kernel Cross Reference
sys/osfmk/ppc/cpu_data.h