X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/ff6e181ae92fc6f1e89841290f461d1f2f9badd9..0c530ab8987f0ae6a1a3d9284f40182b88852816:/osfmk/kern/clock.h diff --git a/osfmk/kern/clock.h b/osfmk/kern/clock.h index 1460af706..ee52ad8f2 100644 --- a/osfmk/kern/clock.h +++ b/osfmk/kern/clock.h @@ -3,20 +3,19 @@ * * @APPLE_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. + * 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. * - * The Original Code and all software distributed under the License are - * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * This 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, QUIET ENJOYMENT OR NON-INFRINGEMENT. - * Please see the License for the specific language governing rights and - * limitations under the License. + * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the + * License for the specific language governing rights and limitations + * under the License. * * @APPLE_LICENSE_HEADER_END@ */ @@ -24,10 +23,6 @@ * @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_ @@ -45,44 +40,9 @@ #ifdef MACH_KERNEL_PRIVATE -/* - * 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; - -/* 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 */ - /* * 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 */ @@ -92,37 +52,22 @@ struct clock_ops { 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; @@ -130,11 +75,13 @@ 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); @@ -143,20 +90,6 @@ extern void clock_timebase_init(void); */ 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)( uint64_t timestamp); @@ -166,11 +99,12 @@ extern void clock_set_timer_func( extern void clock_set_timer_deadline( uint64_t deadline); -extern uint32_t clock_set_calendar_adjtime( - int32_t *secs, - int32_t *microsecs); - -extern uint32_t clock_adjust_calendar(void); +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); @@ -189,6 +123,16 @@ extern void absolutetime_to_microtime( 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); + #endif /* MACH_KERNEL_PRIVATE */ __BEGIN_DECLS