X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/43866e378188c25dd1e2208016ab3cbeb086ae6c..cb3231590a3c94ab4375e2228bd5e86b0cf1ad7e:/osfmk/kern/machine.h?ds=sidebyside diff --git a/osfmk/kern/machine.h b/osfmk/kern/machine.h index 4ad3e6931..2c285e5c4 100644 --- a/osfmk/kern/machine.h +++ b/osfmk/kern/machine.h @@ -1,17 +1,20 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2008 Apple Inc. All rights reserved. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * @APPLE_LICENSE_HEADER_START@ - * - * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. - * * 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. Please obtain a copy of the License at - * http://www.opensource.apple.com/apsl/ and read it before using this - * file. - * + * 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. + * + * 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, @@ -19,64 +22,147 @@ * 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@ */ -#ifndef _KERN_MACHINE_H_ -#define _KERN_MACHINE_H_ +#ifndef _KERN_MACHINE_H_ +#define _KERN_MACHINE_H_ -#include #include #include #include +#include + +#include + +#include /* * 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 cpu_up( - int cpu); +extern void processor_start_thread(void *machine_param, + wait_result_t result); /* * 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_control( + int slot_num, + processor_info_t info, + unsigned int count); + +extern void cpu_sleep(void); + +extern kern_return_t cpu_start( + int slot_num); + +extern void cpu_exit_wait( + int slot_num); + +extern boolean_t cpu_can_exit( + 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, + thread_urgency_t urgency, + uint64_t sched_latency, + uint64_t same_pri_latency, + uint64_t dispatch_time); + +extern void machine_thread_going_off_core(thread_t old_thread, boolean_t thread_terminating, + uint64_t last_dispatch, boolean_t thread_runnable); + +extern void machine_max_runnable_latency(uint64_t bg_max_latency, + uint64_t default_max_latency, + uint64_t realtime_max_latency); + +extern void machine_work_interval_notify(thread_t thread, struct kern_work_interval_args* kwi_args); + -extern kern_return_t cpu_start( - int slot_num); +extern void machine_perfcontrol_deadline_passed(uint64_t deadline); -extern kern_return_t cpu_control( - int slot_num, - processor_info_t info, - unsigned int count); +extern void machine_switch_perfcontrol_context(perfcontrol_event event, + uint64_t timestamp, + uint32_t flags, + uint64_t new_thread_same_pri_latency, + thread_t old, + thread_t new); -extern thread_t switch_to_shutdown_context( - thread_t thread, - void (*doshutdown)(processor_t), - processor_t processor); +extern void machine_switch_perfcontrol_state_update(perfcontrol_event event, + uint64_t timestamp, + uint32_t flags, + thread_t thread); -extern kern_return_t cpu_signal( /* Signal the target CPU */ - int target, - int signal, - unsigned int p1, - unsigned int p2); -#endif /* _KERN_MACHINE_H_ */ +#endif /* _KERN_MACHINE_H_ */