machine.h

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    1 /* 
    2  * Mach Operating System
    3  * Copyright (c) 1993 Carnegie Mellon University
    4  * All Rights Reserved.
    5  * 
    6  * Permission to use, copy, modify and distribute this software and its
    7  * documentation is hereby granted, provided that both the copyright
    8  * notice and this permission notice appear in all copies of the
    9  * software, derivative works or modified versions, and any portions
   10  * thereof, and that both notices appear in supporting documentation.
   11  * 
   12  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
   13  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
   14  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
   15  * 
   16  * Carnegie Mellon requests users of this software to return to
   17  * 
   18  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
   19  *  School of Computer Science
   20  *  Carnegie Mellon University
   21  *  Pittsburgh PA 15213-3890
   22  * 
   23  * any improvements or extensions that they make and grant Carnegie Mellon 
   24  * the rights to redistribute these changes.
   25  */
   26 /*
   27  * HISTORY
   28  * $Log:        machine.h,v $
   29  * Revision 2.2  93/11/17  19:07:23  dbg
   30  *      Created.
   31  *      [93/11/03            dbg]
   32  * 
   33  */
   34 
   35 /*
   36  *      Routines to control CPUS, exported from
   37  *      kern/machine.c and machine-dependent files.
   38  */
   39 
   40 #ifndef _KERN_MACHINE_H_
   41 #define _KERN_MACHINE_H_
   42 
   43 #include <cpus.h>
   44 
   45 #include <mach/boolean.h>
   46 #include <mach/host_info.h>
   47 #include <mach/kern_return.h>
   48 #include <mach/machine.h>
   49 #include <mach/processor_info.h>
   50 
   51 #include <kern/host.h>
   52 #include <kern/kern_types.h>
   53 
   54 /*
   55  *      Machine-independent data structures and routines:
   56  */
   57 
   58 extern struct machine_info      machine_info;
   59 extern struct machine_slot      machine_slot[NCPUS];
   60 
   61 extern void
   62 cpu_up(
   63         int     cpu);
   64 
   65 extern void
   66 cpu_down(
   67         int     cpu);
   68 
   69 extern kern_return_t
   70 host_reboot(
   71         host_t  host,
   72         int     options);
   73 
   74 extern kern_return_t
   75 host_get_boot_info(
   76         host_t                  priv_host,
   77         kernel_boot_info_t      boot_info);
   78 
   79 extern kern_return_t
   80 processor_assign(
   81         processor_t     processor,
   82         processor_set_t new_pset,
   83         boolean_t       wait);
   84 
   85 extern kern_return_t
   86 processor_shutdown(
   87         processor_t     processor);
   88 
   89 #if     NCPUS > 1
   90 extern void action_thread_init(void);
   91 extern no_return action_thread(void);
   92 #endif
   93 
   94 /*
   95  *      Machine-dependent routines
   96  */
   97 extern void
   98 machine_init(void);
   99 
  100 extern no_return
  101 halt_cpu(void);
  102 
  103 extern void
  104 halt_all_cpus(
  105         boolean_t       reboot);
  106 
  107 #if     NCPUS > 1
  108 extern void
  109 switch_to_shutdown_context(
  110         thread_t        thread,
  111         no_return       (*shutdown)(processor_t),
  112         processor_t     processor);
  113 
  114 extern kern_return_t
  115 cpu_start(int processor_number);
  116 
  117 extern kern_return_t
  118 cpu_control(
  119         int             processor_number,
  120         processor_info_t info,
  121         natural_t       count);
  122 
  123 extern void
  124 start_other_cpus(void);
  125 
  126 extern void
  127 slave_machine_init(void);
  128 #endif  /* NCPUS > 1 */
  129 
  130 #endif  /* _KERN_MACHINE_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/kern/machine.h

FreeBSD/Linux Kernel Cross Reference
sys/kern/machine.h