17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5ae115bc7Smrj * Common Development and Distribution License (the "License"). 6ae115bc7Smrj * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 21ae115bc7Smrj 227c478bd9Sstevel@tonic-gate /* 23*b9499e44Smrj * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 26ae115bc7Smrj 277c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate #include <sys/systm.h> 307c478bd9Sstevel@tonic-gate #include <sys/cyclic.h> 317c478bd9Sstevel@tonic-gate #include <sys/cyclic_impl.h> 327c478bd9Sstevel@tonic-gate #include <sys/spl.h> 337c478bd9Sstevel@tonic-gate #include <sys/x_call.h> 347c478bd9Sstevel@tonic-gate #include <sys/kmem.h> 357c478bd9Sstevel@tonic-gate #include <sys/machsystm.h> 367c478bd9Sstevel@tonic-gate #include <sys/smp_impldefs.h> 377c478bd9Sstevel@tonic-gate #include <sys/psm_types.h> 38ae115bc7Smrj #include <sys/psm.h> 397c478bd9Sstevel@tonic-gate #include <sys/atomic.h> 407c478bd9Sstevel@tonic-gate #include <sys/clock.h> 412df1fe9cSrandyf #include <sys/x86_archext.h> 427c478bd9Sstevel@tonic-gate #include <sys/ddi_impldefs.h> 437c478bd9Sstevel@tonic-gate #include <sys/ddi_intr.h> 44e23a7e34Slq150181 #include <sys/avintr.h> 457c478bd9Sstevel@tonic-gate 467c478bd9Sstevel@tonic-gate static int cbe_vector; 477c478bd9Sstevel@tonic-gate static int cbe_ticks = 0; 487c478bd9Sstevel@tonic-gate 497c478bd9Sstevel@tonic-gate static cyc_func_t volatile cbe_xcall_func; 507c478bd9Sstevel@tonic-gate static cpu_t *volatile cbe_xcall_cpu; 517c478bd9Sstevel@tonic-gate static void *cbe_xcall_farg; 527c478bd9Sstevel@tonic-gate static cpuset_t cbe_enabled; 537c478bd9Sstevel@tonic-gate 547c478bd9Sstevel@tonic-gate static ddi_softint_hdl_impl_t cbe_low_hdl = 55e23a7e34Slq150181 {0, NULL, NULL, NULL, 0, NULL, NULL, NULL}; 567c478bd9Sstevel@tonic-gate static ddi_softint_hdl_impl_t cbe_clock_hdl = 57e23a7e34Slq150181 {0, NULL, NULL, NULL, 0, NULL, NULL, NULL}; 587c478bd9Sstevel@tonic-gate 597c478bd9Sstevel@tonic-gate cyclic_id_t cbe_hres_cyclic; 607c478bd9Sstevel@tonic-gate int cbe_psm_timer_mode = TIMER_ONESHOT; 61*b9499e44Smrj static hrtime_t cbe_timer_resolution; 627c478bd9Sstevel@tonic-gate 632df1fe9cSrandyf extern int tsc_gethrtime_enable; 642df1fe9cSrandyf 657c478bd9Sstevel@tonic-gate void cbe_hres_tick(void); 667c478bd9Sstevel@tonic-gate 677c478bd9Sstevel@tonic-gate int 687c478bd9Sstevel@tonic-gate cbe_softclock(void) 697c478bd9Sstevel@tonic-gate { 707c478bd9Sstevel@tonic-gate cyclic_softint(CPU, CY_LOCK_LEVEL); 717c478bd9Sstevel@tonic-gate return (1); 727c478bd9Sstevel@tonic-gate } 737c478bd9Sstevel@tonic-gate 747c478bd9Sstevel@tonic-gate int 757c478bd9Sstevel@tonic-gate cbe_low_level(void) 767c478bd9Sstevel@tonic-gate { 777c478bd9Sstevel@tonic-gate cpu_t *cpu = CPU; 787c478bd9Sstevel@tonic-gate 797c478bd9Sstevel@tonic-gate cyclic_softint(cpu, CY_LOW_LEVEL); 807c478bd9Sstevel@tonic-gate return (1); 817c478bd9Sstevel@tonic-gate } 827c478bd9Sstevel@tonic-gate 837c478bd9Sstevel@tonic-gate /* 847c478bd9Sstevel@tonic-gate * We can be in cbe_fire() either due to a cyclic-induced cross call, or due 857c478bd9Sstevel@tonic-gate * to the timer firing at level-14. Because cyclic_fire() can tolerate 867c478bd9Sstevel@tonic-gate * spurious calls, it would not matter if we called cyclic_fire() in both 877c478bd9Sstevel@tonic-gate * cases. 887c478bd9Sstevel@tonic-gate */ 897c478bd9Sstevel@tonic-gate int 907c478bd9Sstevel@tonic-gate cbe_fire(void) 917c478bd9Sstevel@tonic-gate { 927c478bd9Sstevel@tonic-gate cpu_t *cpu = CPU; 937c478bd9Sstevel@tonic-gate processorid_t me = cpu->cpu_id, i; 947c478bd9Sstevel@tonic-gate int cross_call = (cbe_xcall_func != NULL && cbe_xcall_cpu == cpu); 957c478bd9Sstevel@tonic-gate 967c478bd9Sstevel@tonic-gate cyclic_fire(cpu); 977c478bd9Sstevel@tonic-gate 987c478bd9Sstevel@tonic-gate if (cbe_psm_timer_mode != TIMER_ONESHOT && me == 0 && !cross_call) { 997c478bd9Sstevel@tonic-gate for (i = 1; i < NCPU; i++) { 100ae115bc7Smrj if (CPU_IN_SET(cbe_enabled, i)) { 101ae115bc7Smrj XC_TRACE(TT_XC_CBE_FIRE, -1, i); 1027c478bd9Sstevel@tonic-gate send_dirint(i, CBE_HIGH_PIL); 1037c478bd9Sstevel@tonic-gate } 1047c478bd9Sstevel@tonic-gate } 105ae115bc7Smrj } 1067c478bd9Sstevel@tonic-gate 1077c478bd9Sstevel@tonic-gate if (cross_call) { 1087c478bd9Sstevel@tonic-gate ASSERT(cbe_xcall_func != NULL && cbe_xcall_cpu == cpu); 1097c478bd9Sstevel@tonic-gate (*cbe_xcall_func)(cbe_xcall_farg); 1107c478bd9Sstevel@tonic-gate cbe_xcall_func = NULL; 1117c478bd9Sstevel@tonic-gate cbe_xcall_cpu = NULL; 1127c478bd9Sstevel@tonic-gate } 1137c478bd9Sstevel@tonic-gate 1147c478bd9Sstevel@tonic-gate return (1); 1157c478bd9Sstevel@tonic-gate } 1167c478bd9Sstevel@tonic-gate 1177c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1187c478bd9Sstevel@tonic-gate void 1197c478bd9Sstevel@tonic-gate cbe_softint(void *arg, cyc_level_t level) 1207c478bd9Sstevel@tonic-gate { 1217c478bd9Sstevel@tonic-gate switch (level) { 1227c478bd9Sstevel@tonic-gate case CY_LOW_LEVEL: 123e23a7e34Slq150181 (*setsoftint)(CBE_LOW_PIL, cbe_low_hdl.ih_pending); 1247c478bd9Sstevel@tonic-gate break; 1257c478bd9Sstevel@tonic-gate case CY_LOCK_LEVEL: 126e23a7e34Slq150181 (*setsoftint)(CBE_LOCK_PIL, cbe_clock_hdl.ih_pending); 1277c478bd9Sstevel@tonic-gate break; 1287c478bd9Sstevel@tonic-gate default: 1297c478bd9Sstevel@tonic-gate panic("cbe_softint: unexpected soft level %d", level); 1307c478bd9Sstevel@tonic-gate } 1317c478bd9Sstevel@tonic-gate } 1327c478bd9Sstevel@tonic-gate 1337c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1347c478bd9Sstevel@tonic-gate void 1357c478bd9Sstevel@tonic-gate cbe_reprogram(void *arg, hrtime_t time) 1367c478bd9Sstevel@tonic-gate { 1377c478bd9Sstevel@tonic-gate if (cbe_psm_timer_mode == TIMER_ONESHOT) 1387c478bd9Sstevel@tonic-gate (*psm_timer_reprogram)(time); 1397c478bd9Sstevel@tonic-gate } 1407c478bd9Sstevel@tonic-gate 1417c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1427c478bd9Sstevel@tonic-gate cyc_cookie_t 1437c478bd9Sstevel@tonic-gate cbe_set_level(void *arg, cyc_level_t level) 1447c478bd9Sstevel@tonic-gate { 1457c478bd9Sstevel@tonic-gate int ipl; 1467c478bd9Sstevel@tonic-gate 1477c478bd9Sstevel@tonic-gate switch (level) { 1487c478bd9Sstevel@tonic-gate case CY_LOW_LEVEL: 1497c478bd9Sstevel@tonic-gate ipl = CBE_LOW_PIL; 1507c478bd9Sstevel@tonic-gate break; 1517c478bd9Sstevel@tonic-gate case CY_LOCK_LEVEL: 1527c478bd9Sstevel@tonic-gate ipl = CBE_LOCK_PIL; 1537c478bd9Sstevel@tonic-gate break; 1547c478bd9Sstevel@tonic-gate case CY_HIGH_LEVEL: 1557c478bd9Sstevel@tonic-gate ipl = CBE_HIGH_PIL; 1567c478bd9Sstevel@tonic-gate break; 1577c478bd9Sstevel@tonic-gate default: 1587c478bd9Sstevel@tonic-gate panic("cbe_set_level: unexpected level %d", level); 1597c478bd9Sstevel@tonic-gate } 1607c478bd9Sstevel@tonic-gate 1617c478bd9Sstevel@tonic-gate return (splr(ipltospl(ipl))); 1627c478bd9Sstevel@tonic-gate } 1637c478bd9Sstevel@tonic-gate 1647c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1657c478bd9Sstevel@tonic-gate void 1667c478bd9Sstevel@tonic-gate cbe_restore_level(void *arg, cyc_cookie_t cookie) 1677c478bd9Sstevel@tonic-gate { 1687c478bd9Sstevel@tonic-gate splx(cookie); 1697c478bd9Sstevel@tonic-gate } 1707c478bd9Sstevel@tonic-gate 1717c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1727c478bd9Sstevel@tonic-gate void 1737c478bd9Sstevel@tonic-gate cbe_xcall(void *arg, cpu_t *dest, cyc_func_t func, void *farg) 1747c478bd9Sstevel@tonic-gate { 1757c478bd9Sstevel@tonic-gate kpreempt_disable(); 1767c478bd9Sstevel@tonic-gate 1777c478bd9Sstevel@tonic-gate if (dest == CPU) { 1787c478bd9Sstevel@tonic-gate (*func)(farg); 1797c478bd9Sstevel@tonic-gate kpreempt_enable(); 1807c478bd9Sstevel@tonic-gate return; 1817c478bd9Sstevel@tonic-gate } 1827c478bd9Sstevel@tonic-gate 1837c478bd9Sstevel@tonic-gate ASSERT(cbe_xcall_func == NULL); 1847c478bd9Sstevel@tonic-gate 1857c478bd9Sstevel@tonic-gate cbe_xcall_farg = farg; 1867c478bd9Sstevel@tonic-gate membar_producer(); 1877c478bd9Sstevel@tonic-gate cbe_xcall_cpu = dest; 1887c478bd9Sstevel@tonic-gate cbe_xcall_func = func; 1897c478bd9Sstevel@tonic-gate 190ae115bc7Smrj XC_TRACE(TT_XC_CBE_XCALL, -1, dest->cpu_id); 1917c478bd9Sstevel@tonic-gate send_dirint(dest->cpu_id, CBE_HIGH_PIL); 1927c478bd9Sstevel@tonic-gate 1937c478bd9Sstevel@tonic-gate while (cbe_xcall_func != NULL || cbe_xcall_cpu != NULL) 1947c478bd9Sstevel@tonic-gate continue; 1957c478bd9Sstevel@tonic-gate 1967c478bd9Sstevel@tonic-gate kpreempt_enable(); 1977c478bd9Sstevel@tonic-gate 1987c478bd9Sstevel@tonic-gate ASSERT(cbe_xcall_func == NULL && cbe_xcall_cpu == NULL); 1997c478bd9Sstevel@tonic-gate } 2007c478bd9Sstevel@tonic-gate 2017c478bd9Sstevel@tonic-gate void * 2027c478bd9Sstevel@tonic-gate cbe_configure(cpu_t *cpu) 2037c478bd9Sstevel@tonic-gate { 2047c478bd9Sstevel@tonic-gate return (cpu); 2057c478bd9Sstevel@tonic-gate } 2067c478bd9Sstevel@tonic-gate 2072df1fe9cSrandyf #ifndef __xpv 2082df1fe9cSrandyf /* 2092df1fe9cSrandyf * declarations needed for time adjustment 2102df1fe9cSrandyf */ 2112df1fe9cSrandyf extern void tsc_suspend(void); 2122df1fe9cSrandyf extern void tsc_resume(void); 2132df1fe9cSrandyf /* 2142df1fe9cSrandyf * Call the resume function in the cyclic, instead of inline in the 2152df1fe9cSrandyf * resume path. 2162df1fe9cSrandyf */ 2172df1fe9cSrandyf extern int tsc_resume_in_cyclic; 2182df1fe9cSrandyf #endif 2192df1fe9cSrandyf 2202df1fe9cSrandyf /*ARGSUSED*/ 2212df1fe9cSrandyf static void 2222df1fe9cSrandyf cbe_suspend(cyb_arg_t arg) 2232df1fe9cSrandyf { 2242df1fe9cSrandyf #ifndef __xpv 2252df1fe9cSrandyf /* 2262df1fe9cSrandyf * This is an x86 backend, so let the tsc_suspend 2272df1fe9cSrandyf * that is specific to x86 platforms do the work. 2282df1fe9cSrandyf */ 2292df1fe9cSrandyf tsc_suspend(); 2302df1fe9cSrandyf #endif 2312df1fe9cSrandyf } 2322df1fe9cSrandyf 2332df1fe9cSrandyf /*ARGSUSED*/ 2342df1fe9cSrandyf static void 2352df1fe9cSrandyf cbe_resume(cyb_arg_t arg) 2362df1fe9cSrandyf { 2372df1fe9cSrandyf #ifndef __xpv 2382df1fe9cSrandyf if (tsc_resume_in_cyclic) { 2392df1fe9cSrandyf tsc_resume(); 2402df1fe9cSrandyf } 2412df1fe9cSrandyf #endif 2422df1fe9cSrandyf } 2432df1fe9cSrandyf 2447c478bd9Sstevel@tonic-gate void 2457c478bd9Sstevel@tonic-gate cbe_enable(void *arg) 2467c478bd9Sstevel@tonic-gate { 2477c478bd9Sstevel@tonic-gate processorid_t me = ((cpu_t *)arg)->cpu_id; 2487c478bd9Sstevel@tonic-gate 249d90554ebSdmick /* neither enable nor disable cpu0 if TIMER_PERIODIC is set */ 2507c478bd9Sstevel@tonic-gate if ((cbe_psm_timer_mode != TIMER_ONESHOT) && (me == 0)) 2517c478bd9Sstevel@tonic-gate return; 2527c478bd9Sstevel@tonic-gate 2532df1fe9cSrandyf /* 2542df1fe9cSrandyf * Added (me == 0) to the ASSERT because the timer isn't 2552df1fe9cSrandyf * disabled on CPU 0, and cbe_enable is called when we resume. 2562df1fe9cSrandyf */ 2572df1fe9cSrandyf ASSERT((me == 0) || !CPU_IN_SET(cbe_enabled, me)); 2587c478bd9Sstevel@tonic-gate CPUSET_ADD(cbe_enabled, me); 2597c478bd9Sstevel@tonic-gate if (cbe_psm_timer_mode == TIMER_ONESHOT) 2607c478bd9Sstevel@tonic-gate (*psm_timer_enable)(); 2617c478bd9Sstevel@tonic-gate } 2627c478bd9Sstevel@tonic-gate 2637c478bd9Sstevel@tonic-gate void 2647c478bd9Sstevel@tonic-gate cbe_disable(void *arg) 2657c478bd9Sstevel@tonic-gate { 2667c478bd9Sstevel@tonic-gate processorid_t me = ((cpu_t *)arg)->cpu_id; 2677c478bd9Sstevel@tonic-gate 268d90554ebSdmick /* neither enable nor disable cpu0 if TIMER_PERIODIC is set */ 269d90554ebSdmick if ((cbe_psm_timer_mode != TIMER_ONESHOT) && (me == 0)) 2707c478bd9Sstevel@tonic-gate return; 2717c478bd9Sstevel@tonic-gate 2727c478bd9Sstevel@tonic-gate ASSERT(CPU_IN_SET(cbe_enabled, me)); 2737c478bd9Sstevel@tonic-gate CPUSET_DEL(cbe_enabled, me); 2747c478bd9Sstevel@tonic-gate if (cbe_psm_timer_mode == TIMER_ONESHOT) 2757c478bd9Sstevel@tonic-gate (*psm_timer_disable)(); 2767c478bd9Sstevel@tonic-gate } 2777c478bd9Sstevel@tonic-gate 2787c478bd9Sstevel@tonic-gate /* 279d90554ebSdmick * Unbound cyclic, called once per tick (every nsec_per_tick ns). 2807c478bd9Sstevel@tonic-gate */ 2817c478bd9Sstevel@tonic-gate void 2827c478bd9Sstevel@tonic-gate cbe_hres_tick(void) 2837c478bd9Sstevel@tonic-gate { 2847c478bd9Sstevel@tonic-gate int s; 2857c478bd9Sstevel@tonic-gate 2867c478bd9Sstevel@tonic-gate dtrace_hres_tick(); 2877c478bd9Sstevel@tonic-gate 2887c478bd9Sstevel@tonic-gate /* 2897c478bd9Sstevel@tonic-gate * Because hres_tick effectively locks hres_lock, we must be at the 2907c478bd9Sstevel@tonic-gate * same PIL as that used for CLOCK_LOCK. 2917c478bd9Sstevel@tonic-gate */ 2927c478bd9Sstevel@tonic-gate s = splr(ipltospl(XC_HI_PIL)); 2937c478bd9Sstevel@tonic-gate hres_tick(); 2947c478bd9Sstevel@tonic-gate splx(s); 2957c478bd9Sstevel@tonic-gate 2967c478bd9Sstevel@tonic-gate if ((cbe_ticks % hz) == 0) 2977c478bd9Sstevel@tonic-gate (*hrtime_tick)(); 2987c478bd9Sstevel@tonic-gate 2997c478bd9Sstevel@tonic-gate cbe_ticks++; 3007c478bd9Sstevel@tonic-gate 3017c478bd9Sstevel@tonic-gate } 3027c478bd9Sstevel@tonic-gate 3037c478bd9Sstevel@tonic-gate void 304*b9499e44Smrj cbe_init_pre(void) 305*b9499e44Smrj { 306*b9499e44Smrj cbe_vector = (*psm_get_clockirq)(CBE_HIGH_PIL); 307*b9499e44Smrj 308*b9499e44Smrj CPUSET_ZERO(cbe_enabled); 309*b9499e44Smrj 310*b9499e44Smrj cbe_timer_resolution = (*clkinitf)(TIMER_ONESHOT, &cbe_psm_timer_mode); 311*b9499e44Smrj } 312*b9499e44Smrj 313*b9499e44Smrj void 3147c478bd9Sstevel@tonic-gate cbe_init(void) 3157c478bd9Sstevel@tonic-gate { 3167c478bd9Sstevel@tonic-gate cyc_backend_t cbe = { 3177c478bd9Sstevel@tonic-gate cbe_configure, /* cyb_configure */ 3187c478bd9Sstevel@tonic-gate NULL, /* cyb_unconfigure */ 3197c478bd9Sstevel@tonic-gate cbe_enable, /* cyb_enable */ 3207c478bd9Sstevel@tonic-gate cbe_disable, /* cyb_disable */ 3217c478bd9Sstevel@tonic-gate cbe_reprogram, /* cyb_reprogram */ 3227c478bd9Sstevel@tonic-gate cbe_softint, /* cyb_softint */ 3237c478bd9Sstevel@tonic-gate cbe_set_level, /* cyb_set_level */ 3247c478bd9Sstevel@tonic-gate cbe_restore_level, /* cyb_restore_level */ 3257c478bd9Sstevel@tonic-gate cbe_xcall, /* cyb_xcall */ 3262df1fe9cSrandyf cbe_suspend, /* cyb_suspend */ 3272df1fe9cSrandyf cbe_resume /* cyb_resume */ 3287c478bd9Sstevel@tonic-gate }; 3297c478bd9Sstevel@tonic-gate cyc_handler_t hdlr; 3307c478bd9Sstevel@tonic-gate cyc_time_t when; 3317c478bd9Sstevel@tonic-gate 3327c478bd9Sstevel@tonic-gate 3337c478bd9Sstevel@tonic-gate mutex_enter(&cpu_lock); 334*b9499e44Smrj cyclic_init(&cbe, cbe_timer_resolution); 3357c478bd9Sstevel@tonic-gate mutex_exit(&cpu_lock); 3367c478bd9Sstevel@tonic-gate 3377c478bd9Sstevel@tonic-gate (void) add_avintr(NULL, CBE_HIGH_PIL, (avfunc)cbe_fire, 3387a364d25Sschwartz "cbe_fire_master", cbe_vector, 0, NULL, NULL, NULL); 3397c478bd9Sstevel@tonic-gate 3407c478bd9Sstevel@tonic-gate if (psm_get_ipivect != NULL) { 3417c478bd9Sstevel@tonic-gate (void) add_avintr(NULL, CBE_HIGH_PIL, (avfunc)cbe_fire, 3427c478bd9Sstevel@tonic-gate "cbe_fire_slave", 3437c478bd9Sstevel@tonic-gate (*psm_get_ipivect)(CBE_HIGH_PIL, PSM_INTR_IPI_HI), 3447a364d25Sschwartz 0, NULL, NULL, NULL); 3457c478bd9Sstevel@tonic-gate } 3467c478bd9Sstevel@tonic-gate 3477c478bd9Sstevel@tonic-gate (void) add_avsoftintr((void *)&cbe_clock_hdl, CBE_LOCK_PIL, 3487c478bd9Sstevel@tonic-gate (avfunc)cbe_softclock, "softclock", NULL, NULL); 3497c478bd9Sstevel@tonic-gate 3507c478bd9Sstevel@tonic-gate (void) add_avsoftintr((void *)&cbe_low_hdl, CBE_LOW_PIL, 3517c478bd9Sstevel@tonic-gate (avfunc)cbe_low_level, "low level", NULL, NULL); 3527c478bd9Sstevel@tonic-gate 3537c478bd9Sstevel@tonic-gate mutex_enter(&cpu_lock); 3547c478bd9Sstevel@tonic-gate 3557c478bd9Sstevel@tonic-gate hdlr.cyh_level = CY_HIGH_LEVEL; 3567c478bd9Sstevel@tonic-gate hdlr.cyh_func = (cyc_func_t)cbe_hres_tick; 3577c478bd9Sstevel@tonic-gate hdlr.cyh_arg = NULL; 3587c478bd9Sstevel@tonic-gate 3597c478bd9Sstevel@tonic-gate when.cyt_when = 0; 3607c478bd9Sstevel@tonic-gate when.cyt_interval = nsec_per_tick; 3617c478bd9Sstevel@tonic-gate 3627c478bd9Sstevel@tonic-gate cbe_hres_cyclic = cyclic_add(&hdlr, &when); 3637c478bd9Sstevel@tonic-gate 3647c478bd9Sstevel@tonic-gate if (psm_post_cyclic_setup != NULL) 3657c478bd9Sstevel@tonic-gate (*psm_post_cyclic_setup)(NULL); 3667c478bd9Sstevel@tonic-gate 3677c478bd9Sstevel@tonic-gate mutex_exit(&cpu_lock); 3687c478bd9Sstevel@tonic-gate } 369