/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* @OSF_COPYRIGHT@
*/
/*
- * File: kern/clock.h
- * Purpose: Data structures for the kernel alarm clock
- * facility. This file is used only by kernel
- * level clock facility routines.
*/
#ifndef _KERN_CLOCK_H_
#define _KERN_CLOCK_H_
-#include <libkern/OSBase.h>
-
-#include <mach/message.h>
+#include <stdint.h>
+#include <mach/mach_types.h>
#include <mach/clock_types.h>
+#include <mach/message.h>
#include <mach/mach_time.h>
-#ifdef MACH_KERNEL_PRIVATE
-#include <ipc/ipc_port.h>
+#include <kern/kern_types.h>
-/*
- * Actual clock alarm structure. Used for user clock_sleep() and
- * clock_alarm() calls. Alarms are allocated from the alarm free
- * list and entered in time priority order into the active alarm
- * chain of the target clock.
- */
-struct alarm {
- struct alarm *al_next; /* next alarm in chain */
- struct alarm *al_prev; /* previous alarm in chain */
- int al_status; /* alarm status */
- mach_timespec_t al_time; /* alarm time */
- struct { /* message alarm data */
- int type; /* alarm type */
- ipc_port_t port; /* alarm port */
- mach_msg_type_name_t
- port_type; /* alarm port type */
- struct clock *clock; /* alarm clock */
- void *data; /* alarm data */
- } al_alrm;
-#define al_type al_alrm.type
-#define al_port al_alrm.port
-#define al_port_type al_alrm.port_type
-#define al_clock al_alrm.clock
-#define al_data al_alrm.data
- long al_seqno; /* alarm sequence number */
-};
-typedef struct alarm alarm_data_t;
+#include <sys/cdefs.h>
-/* alarm status */
-#define ALARM_FREE 0 /* alarm is on free list */
-#define ALARM_SLEEP 1 /* active clock_sleep() */
-#define ALARM_CLOCK 2 /* active clock_alarm() */
-#define ALARM_DONE 4 /* alarm has expired */
+#ifdef MACH_KERNEL_PRIVATE
/*
* Clock operations list structure. Contains vectors to machine
- * dependent clock routines. The routines c_config, c_init, and
- * c_gettime must be implemented for every clock device.
+ * dependent clock routines.
*/
struct clock_ops {
int (*c_config)(void); /* configuration */
kern_return_t (*c_gettime)( /* get time */
mach_timespec_t *cur_time);
- kern_return_t (*c_settime)( /* set time */
- mach_timespec_t *clock_time);
-
kern_return_t (*c_getattr)( /* get attributes */
clock_flavor_t flavor,
clock_attr_t attr,
mach_msg_type_number_t *count);
-
- kern_return_t (*c_setattr)( /* set attributes */
- clock_flavor_t flavor,
- clock_attr_t attr,
- mach_msg_type_number_t count);
-
- void (*c_setalrm)( /* set next alarm */
- mach_timespec_t *alarm_time);
};
typedef struct clock_ops *clock_ops_t;
typedef struct clock_ops clock_ops_data_t;
/*
* Actual clock object data structure. Contains the machine
- * dependent operations list, clock operations ports, and a
- * chain of pending alarms.
+ * dependent operations list and clock operation ports.
*/
struct clock {
clock_ops_t cl_ops; /* operations list */
struct ipc_port *cl_service; /* service port */
struct ipc_port *cl_control; /* control port */
- struct { /* alarm chain head */
- struct alarm *al_next;
- } cl_alarm;
};
typedef struct clock clock_data_t;
* Configure the clock system.
*/
extern void clock_config(void);
+extern void clock_oldconfig(void);
+
/*
* Initialize the clock system.
*/
extern void clock_init(void);
+extern void clock_oldinit(void);
+
+extern void clock_timebase_init(void);
/*
* Initialize the clock ipc service facility.
*/
extern void clock_service_create(void);
-/*
- * Service clock alarm interrupts. Called from machine dependent
- * layer at splclock(). The clock_id argument specifies the clock,
- * and the clock_time argument gives that clock's current time.
- */
-extern void clock_alarm_intr(
- clock_id_t clock_id,
- mach_timespec_t *clock_time);
-
-extern kern_return_t clock_sleep_internal(
- clock_t clock,
- sleep_type_t sleep_type,
- mach_timespec_t *sleep_time);
-
typedef void (*clock_timer_func_t)(
- AbsoluteTime timestamp);
+ uint64_t timestamp);
extern void clock_set_timer_func(
clock_timer_func_t func);
extern void clock_set_timer_deadline(
- AbsoluteTime deadline);
+ uint64_t deadline);
+
+extern void clock_gettimeofday_set_commpage(
+ uint64_t abstime,
+ uint64_t epoch,
+ uint64_t offset,
+ uint32_t *secs,
+ uint32_t *microsecs);
+
+extern void machine_delay_until(
+ uint64_t deadline);
+
+#include <stat_time.h>
+
+extern void hertz_tick(
+#if STAT_TIME
+ natural_t ticks,
+#endif /* STAT_TIME */
+ boolean_t usermode, /* executing user code */
+ natural_t pc);
+
+extern void absolutetime_to_microtime(
+ uint64_t abstime,
+ uint32_t *secs,
+ uint32_t *microsecs);
+
+extern void absolutetime_to_nanotime(
+ uint64_t abstime,
+ uint32_t *secs,
+ uint32_t *nanosecs);
+
+extern void nanotime_to_absolutetime(
+ uint32_t secs,
+ uint32_t nanosecs,
+ uint64_t *result);
-extern void mk_timebase_info(
- uint32_t *delta,
- uint32_t *abs_to_ns_numer,
- uint32_t *abs_to_ns_denom,
- uint32_t *proc_to_abs_numer,
- uint32_t *proc_to_abs_denom);
+#endif /* MACH_KERNEL_PRIVATE */
-#define scalar_to_AbsoluteTime(x) (*(AbsoluteTime *)(x))
+__BEGIN_DECLS
-#endif /* MACH_KERNEL_PRIVATE */
+#ifdef XNU_KERNEL_PRIVATE
+
+extern void clock_adjtime(
+ int32_t *secs,
+ int32_t *microsecs);
+
+extern void clock_initialize_calendar(void);
+
+extern void clock_wakeup_calendar(void);
+
+extern void clock_gettimeofday(
+ uint32_t *secs,
+ uint32_t *microsecs);
+
+extern void clock_set_calendar_microtime(
+ uint32_t secs,
+ uint32_t microsecs);
+
+extern void clock_get_boottime_nanotime(
+ uint32_t *secs,
+ uint32_t *nanosecs);
+
+extern void clock_deadline_for_periodic_event(
+ uint64_t interval,
+ uint64_t abstime,
+ uint64_t *deadline);
+
+#endif /* XNU_KERNEL_PRIVATE */
+
+
+extern void clock_get_calendar_microtime(
+ uint32_t *secs,
+ uint32_t *microsecs);
+
+extern void clock_get_calendar_nanotime(
+ uint32_t *secs,
+ uint32_t *nanosecs);
+
+extern void clock_get_system_microtime(
+ uint32_t *secs,
+ uint32_t *microsecs);
+
+extern void clock_get_system_nanotime(
+ uint32_t *secs,
+ uint32_t *nanosecs);
+
+extern void clock_timebase_info(
+ mach_timebase_info_t info);
+
+extern void clock_get_uptime(
+ uint64_t *result);
+
+extern void clock_interval_to_deadline(
+ uint32_t interval,
+ uint32_t scale_factor,
+ uint64_t *result);
+
+extern void clock_interval_to_absolutetime_interval(
+ uint32_t interval,
+ uint32_t scale_factor,
+ uint64_t *result);
+
+extern void clock_absolutetime_interval_to_deadline(
+ uint64_t abstime,
+ uint64_t *result);
+
+extern void clock_delay_until(
+ uint64_t deadline);
+
+extern void absolutetime_to_nanoseconds(
+ uint64_t abstime,
+ uint64_t *result);
+
+extern void nanoseconds_to_absolutetime(
+ uint64_t nanoseconds,
+ uint64_t *result);
+
+#ifdef KERNEL_PRIVATE
+
+/*
+ * Obsolete interfaces.
+ */
#define MACH_TIMESPEC_SEC_MAX (0 - 1)
#define MACH_TIMESPEC_NSEC_MAX (NSEC_PER_SEC - 1)
} \
} while (0)
+
extern mach_timespec_t clock_get_system_value(void);
extern mach_timespec_t clock_get_calendar_value(void);
-extern void clock_set_calendar_value(
- mach_timespec_t value);
+extern void delay_for_interval(
+ uint32_t interval,
+ uint32_t scale_factor);
+#ifndef MACH_KERNEL_PRIVATE
-extern void clock_adjust_calendar(
- clock_res_t nsec);
+#ifndef ABSOLUTETIME_SCALAR_TYPE
-extern void clock_initialize_calendar(void);
+#define clock_get_uptime(a) \
+ clock_get_uptime(__OSAbsoluteTimePtr(a))
-extern mach_timespec_t clock_get_calendar_offset(void);
+#define clock_interval_to_deadline(a, b, c) \
+ clock_interval_to_deadline((a), (b), __OSAbsoluteTimePtr(c))
-#define AbsoluteTime_to_scalar(x) (*(uint64_t *)(x))
+#define clock_interval_to_absolutetime_interval(a, b, c) \
+ clock_interval_to_absolutetime_interval((a), (b), __OSAbsoluteTimePtr(c))
-/* t1 < = > t2 */
-#define CMP_ABSOLUTETIME(t1, t2) \
- (AbsoluteTime_to_scalar(t1) > \
- AbsoluteTime_to_scalar(t2)? (int)+1 : \
- (AbsoluteTime_to_scalar(t1) < \
- AbsoluteTime_to_scalar(t2)? (int)-1 : 0))
+#define clock_absolutetime_interval_to_deadline(a, b) \
+ clock_absolutetime_interval_to_deadline(__OSAbsoluteTime(a), __OSAbsoluteTimePtr(b))
-/* t1 += t2 */
-#define ADD_ABSOLUTETIME(t1, t2) \
- (AbsoluteTime_to_scalar(t1) += \
- AbsoluteTime_to_scalar(t2))
+#define clock_deadline_for_periodic_event(a, b, c) \
+ clock_deadline_for_periodic_event(__OSAbsoluteTime(a), __OSAbsoluteTime(b), __OSAbsoluteTimePtr(c))
-/* t1 -= t2 */
-#define SUB_ABSOLUTETIME(t1, t2) \
- (AbsoluteTime_to_scalar(t1) -= \
- AbsoluteTime_to_scalar(t2))
+#define clock_delay_until(a) \
+ clock_delay_until(__OSAbsoluteTime(a))
-#define ADD_ABSOLUTETIME_TICKS(t1, ticks) \
- (AbsoluteTime_to_scalar(t1) += \
- (integer_t)(ticks))
+#define absolutetime_to_nanoseconds(a, b) \
+ absolutetime_to_nanoseconds(__OSAbsoluteTime(a), (b))
-extern void clock_timebase_info(
- mach_timebase_info_t info);
+#define nanoseconds_to_absolutetime(a, b) \
+ nanoseconds_to_absolutetime((a), __OSAbsoluteTimePtr(b))
-extern void clock_get_uptime(
- AbsoluteTime *result);
+#endif /* ABSOLUTETIME_SCALAR_TYPE */
-extern void clock_interval_to_deadline(
- natural_t interval,
- natural_t scale_factor,
- AbsoluteTime *result);
+#endif /* !MACH_KERNEL_PRIVATE */
-extern void clock_interval_to_absolutetime_interval(
- natural_t interval,
- natural_t scale_factor,
- AbsoluteTime *result);
+#endif /* KERNEL_PRIVATE */
-extern void clock_absolutetime_interval_to_deadline(
- AbsoluteTime abstime,
- AbsoluteTime *result);
-
-extern void clock_deadline_for_periodic_event(
- AbsoluteTime interval,
- AbsoluteTime abstime,
- AbsoluteTime *deadline);
-
-extern void clock_delay_for_interval(
- natural_t interval,
- natural_t scale_factor);
-
-extern void clock_delay_until(
- AbsoluteTime deadline);
-
-extern void absolutetime_to_nanoseconds(
- AbsoluteTime abstime,
- UInt64 *result);
-
-extern void nanoseconds_to_absolutetime(
- UInt64 nanoseconds,
- AbsoluteTime *result);
+__END_DECLS
#endif /* _KERN_CLOCK_H_ */
projects / apple / xnu.git / blobdiff