X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/de355530ae67247cbd0da700edb3a2a1dae884c2..813fb2f63a553c957e917ede5f119b021d6ce391:/osfmk/kern/machine.h diff --git a/osfmk/kern/machine.h b/osfmk/kern/machine.h index 5c3f211f4..37d69bf88 100644 --- a/osfmk/kern/machine.h +++ b/osfmk/kern/machine.h @@ -1,23 +1,29 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2008 Apple Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. * - * @APPLE_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ @@ -26,7 +32,6 @@ #ifndef _KERN_MACHINE_H_ #define _KERN_MACHINE_H_ -#include #include #include #include @@ -35,45 +40,112 @@ * Machine support declarations. */ -extern thread_t machine_wake_thread; - -extern void processor_action(void); +extern void processor_up( + processor_t processor); -extern void cpu_down( - int cpu); +extern void processor_offline( + processor_t processor); -extern void cpu_up( - int cpu); +extern void processor_start_thread(void *machine_param); /* * Must be implemented in machine dependent code. */ /* Initialize machine dependent ast code */ -extern void init_ast_check( - processor_t processor); +extern void init_ast_check( + processor_t processor); /* Cause check for ast */ -extern void cause_ast_check( - processor_t processor); +extern void cause_ast_check( + processor_t processor); -extern kern_return_t cpu_start( - int slot_num); +extern kern_return_t cpu_control( + int slot_num, + processor_info_t info, + unsigned int count); -extern kern_return_t cpu_control( - int slot_num, - processor_info_t info, - unsigned int count); +extern void cpu_sleep(void); -extern thread_t switch_to_shutdown_context( - thread_t thread, - void (*doshutdown)(processor_t), - processor_t processor); +extern kern_return_t cpu_start( + int slot_num); + +extern void cpu_exit_wait( + int slot_num); + +extern kern_return_t cpu_info( + processor_flavor_t flavor, + int slot_num, + processor_info_t info, + unsigned int *count); + +extern kern_return_t cpu_info_count( + processor_flavor_t flavor, + unsigned int *count); + +extern thread_t machine_processor_shutdown( + thread_t thread, + void (*doshutdown)(processor_t), + processor_t processor); + +extern void machine_idle(void); + +extern void machine_track_platform_idle(boolean_t); + +/* Signals a processor to bring it out of idle */ +extern void machine_signal_idle( + processor_t processor); + +/* Signals a processor to bring it out of idle unless canceled */ +extern void machine_signal_idle_deferred( + processor_t processor); + +/* Cancels an outstanding machine_signal_idle_deferred, if this is supported */ +extern void machine_signal_idle_cancel( + processor_t processor); + +extern void halt_cpu(void); + +extern void halt_all_cpus( + boolean_t reboot); + +extern char *machine_boot_info( + char *buf, + vm_size_t buf_len); + +/* + * Machine-dependent routine to fill in an array with up to callstack_max + * levels of return pc information. + */ +extern void machine_callstack( + uintptr_t *buf, + vm_size_t callstack_max); + +extern void consider_machine_collect(void); + +/* + * Machine-dependent routine to inform platform layer and external + * CPU power management about context switches + */ + +extern void machine_thread_going_on_core(thread_t new_thread, + int urgency, + uint64_t sched_latency, + uint64_t dispatch_time); + +extern void machine_thread_going_off_core(thread_t old_thread, boolean_t thread_terminating, uint64_t last_dispatch); + +extern void machine_max_runnable_latency(uint64_t bg_max_latency, + uint64_t default_max_latency, + uint64_t realtime_max_latency); -extern kern_return_t cpu_signal( /* Signal the target CPU */ - int target, - int signal, - unsigned int p1, - unsigned int p2); +extern void machine_work_interval_notify(thread_t thread, + uint64_t work_id, + uint64_t start_abstime, + uint64_t finish_abstime, + uint64_t deadline_abstime, + uint64_t next_start_abstime, + uint16_t urgency, + uint32_t flags); #endif /* _KERN_MACHINE_H_ */