osfmk/kern/machine.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * @OSF_COPYRIGHT@
  27  */
  28
  29 #ifndef _KERN_MACHINE_H_
  30 #define _KERN_MACHINE_H_
  31
  32 #include <cpus.h>
  33 #include <mach/kern_return.h>
  34 #include <mach/processor_info.h>
  35 #include <kern/kern_types.h>
  36
  37 /*
  38  * Machine support declarations.
  39  */
  40
  41 extern thread_t         machine_wake_thread;
  42
  43 extern void             processor_action(void);
  44
  45 extern void             cpu_down(
  46                                         int                     cpu);
  47
  48 extern void             cpu_up(
  49                                         int                     cpu);
  50
  51 /*
  52  * Must be implemented in machine dependent code.
  53  */
  54
  55 /* Initialize machine dependent ast code */
  56 extern void             init_ast_check(
  57                                         processor_t             processor);
  58
  59 /* Cause check for ast */
  60 extern void             cause_ast_check(
  61                                         processor_t             processor);
  62
  63 extern kern_return_t    cpu_start(
  64                                                 int                     slot_num);
  65
  66 extern kern_return_t    cpu_control(
  67                                                 int                                     slot_num,
  68                                                 processor_info_t        info,
  69                                                 unsigned int            count);
  70
  71 extern thread_t         switch_to_shutdown_context(
  72                                         thread_t                thread,
  73                                         void                    (*doshutdown)(processor_t),
  74                                         processor_t             processor);
  75
  76 extern kern_return_t cpu_signal(                                /* Signal the target CPU */
  77                                         int target,
  78                                         int signal,
  79                                         unsigned int p1,
  80                                         unsigned int p2);
  81
  82 #endif  /* _KERN_MACHINE_H_ */