osfmk/kern/machine.h

   1 /*
   2  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /*
  24  * @OSF_COPYRIGHT@
  25  */
  26
  27 #ifndef _KERN_MACHINE_H_
  28 #define _KERN_MACHINE_H_
  29
  30 #include <mach/kern_return.h>
  31 #include <mach/processor_info.h>
  32 #include <kern/kern_types.h>
  33
  34 /*
  35  * Machine support declarations.
  36  */
  37
  38 extern void             processor_up(
  39                                         processor_t             processor);
  40
  41 extern void             processor_offline(
  42                                         processor_t             processor);
  43
  44 extern void             processor_start_thread(void);
  45
  46 /*
  47  * Must be implemented in machine dependent code.
  48  */
  49
  50 /* Initialize machine dependent ast code */
  51 extern void init_ast_check(
  52                                         processor_t         processor);
  53
  54 /* Cause check for ast */
  55 extern void cause_ast_check(
  56                                         processor_t         processor);
  57
  58 extern kern_return_t cpu_control(
  59                                         int                 slot_num,
  60                                         processor_info_t    info,
  61                                         unsigned int        count);
  62
  63 extern void     cpu_sleep(void);
  64
  65 extern kern_return_t cpu_start(
  66                                         int                 slot_num);
  67
  68 extern void cpu_exit_wait(
  69                                         int                 slot_num);
  70
  71 extern kern_return_t cpu_info(
  72                                         processor_flavor_t  flavor,
  73                                         int                 slot_num,
  74                                         processor_info_t    info,
  75                                         unsigned int        *count);
  76
  77 extern kern_return_t cpu_info_count(
  78                                         processor_flavor_t  flavor,
  79                                         unsigned int        *count);
  80
  81 extern thread_t         machine_processor_shutdown(
  82                                                 thread_t            thread,
  83                                                 void                (*doshutdown)(processor_t),
  84                                                 processor_t         processor);
  85
  86 extern void machine_idle(void);
  87
  88 extern void machine_signal_idle(
  89                                         processor_t         processor);
  90
  91 extern void halt_cpu(void);
  92
  93 extern void halt_all_cpus(
  94                                         boolean_t           reboot);
  95
  96 extern char *machine_boot_info(
  97                                         char                *buf,
  98                                         vm_size_t           buf_len);
  99
 100 /*
 101  * Machine-dependent routine to fill in an array with up to callstack_max
 102  * levels of return pc information.
 103  */
 104 extern void machine_callstack(
 105                                         natural_t           *buf,
 106                                         vm_size_t           callstack_max);
 107
 108 extern void consider_machine_collect(void);
 109
 110 #endif  /* _KERN_MACHINE_H_ */