]> git.saurik.com Git - apple/xnu.git/blobdiff - osfmk/kern/machine.h
xnu-3789.51.2.tar.gz
[apple/xnu.git] / osfmk / kern / machine.h
index 5c3f211f4792551c8cd02b4c9e1d47446e6481af..37d69bf887d8e926b52a441b825a7932d9d3bc44 100644 (file)
@@ -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 <cpus.h>
 #include <mach/kern_return.h>
 #include <mach/processor_info.h>
 #include <kern/kern_types.h>
  * 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_ */