X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/ff6e181ae92fc6f1e89841290f461d1f2f9badd9..813fb2f63a553c957e917ede5f119b021d6ce391:/osfmk/kern/machine.h

diff --git a/osfmk/kern/machine.h b/osfmk/kern/machine.h
index 0028d7ba8..37d69bf88 100644
--- a/osfmk/kern/machine.h
+++ b/osfmk/kern/machine.h
@@ -1,14 +1,19 @@
 /*
- * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2008 Apple Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  * 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
@@ -18,7 +23,7 @@
  * 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@
@@ -41,7 +46,7 @@ extern void		processor_up(
 extern void		processor_offline(
 					processor_t		processor);
 
-extern void		processor_start_thread(void);
+extern void		processor_start_thread(void *machine_param);
 
 /*
  * Must be implemented in machine dependent code.
@@ -85,9 +90,20 @@ extern thread_t		machine_processor_shutdown(
 
 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(
@@ -102,9 +118,34 @@ extern char *machine_boot_info(
  * levels of return pc information.
  */
 extern void machine_callstack(
-					natural_t           *buf,
+					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 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_ */