1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate /* 30*0Sstevel@tonic-gate * sun4u common CPC subroutines. 31*0Sstevel@tonic-gate */ 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate #include <sys/types.h> 34*0Sstevel@tonic-gate #include <sys/time.h> 35*0Sstevel@tonic-gate #include <sys/atomic.h> 36*0Sstevel@tonic-gate #include <sys/thread.h> 37*0Sstevel@tonic-gate #include <sys/regset.h> 38*0Sstevel@tonic-gate #include <sys/archsystm.h> 39*0Sstevel@tonic-gate #include <sys/machsystm.h> 40*0Sstevel@tonic-gate #include <sys/cpc_impl.h> 41*0Sstevel@tonic-gate #include <sys/cpc_ultra.h> 42*0Sstevel@tonic-gate #include <sys/sunddi.h> 43*0Sstevel@tonic-gate #include <sys/intr.h> 44*0Sstevel@tonic-gate #include <sys/ivintr.h> 45*0Sstevel@tonic-gate #include <sys/x_call.h> 46*0Sstevel@tonic-gate #include <sys/cpuvar.h> 47*0Sstevel@tonic-gate #include <sys/machcpuvar.h> 48*0Sstevel@tonic-gate #include <sys/cpc_pcbe.h> 49*0Sstevel@tonic-gate #include <sys/modctl.h> 50*0Sstevel@tonic-gate #include <sys/sdt.h> 51*0Sstevel@tonic-gate 52*0Sstevel@tonic-gate uint32_t cpc_level15_inum; /* used in interrupt.s */ 53*0Sstevel@tonic-gate int cpc_has_overflow_intr; /* set in cheetah.c */ 54*0Sstevel@tonic-gate 55*0Sstevel@tonic-gate extern kcpc_ctx_t *kcpc_overflow_intr(caddr_t arg, uint64_t bitmap); 56*0Sstevel@tonic-gate extern int kcpc_counts_include_idle; 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate /* 59*0Sstevel@tonic-gate * Called on the boot CPU during startup. 60*0Sstevel@tonic-gate */ 61*0Sstevel@tonic-gate void 62*0Sstevel@tonic-gate kcpc_hw_init(void) 63*0Sstevel@tonic-gate { 64*0Sstevel@tonic-gate if (cpc_has_overflow_intr) { 65*0Sstevel@tonic-gate cpc_level15_inum = add_softintr(PIL_15, 66*0Sstevel@tonic-gate kcpc_hw_overflow_intr, NULL); 67*0Sstevel@tonic-gate } 68*0Sstevel@tonic-gate 69*0Sstevel@tonic-gate /* 70*0Sstevel@tonic-gate * Make sure the boot CPU gets set up. 71*0Sstevel@tonic-gate */ 72*0Sstevel@tonic-gate kcpc_hw_startup_cpu(CPU->cpu_flags); 73*0Sstevel@tonic-gate } 74*0Sstevel@tonic-gate 75*0Sstevel@tonic-gate /* 76*0Sstevel@tonic-gate * Prepare for CPC interrupts and install an idle thread CPC context. 77*0Sstevel@tonic-gate */ 78*0Sstevel@tonic-gate void 79*0Sstevel@tonic-gate kcpc_hw_startup_cpu(ushort_t cpflags) 80*0Sstevel@tonic-gate { 81*0Sstevel@tonic-gate cpu_t *cp = CPU; 82*0Sstevel@tonic-gate kthread_t *t = cp->cpu_idle_thread; 83*0Sstevel@tonic-gate 84*0Sstevel@tonic-gate ASSERT(t->t_bound_cpu == cp); 85*0Sstevel@tonic-gate 86*0Sstevel@tonic-gate if (cpc_has_overflow_intr && (cpflags & CPU_FROZEN) == 0) { 87*0Sstevel@tonic-gate int pstate_save = disable_vec_intr(); 88*0Sstevel@tonic-gate 89*0Sstevel@tonic-gate ASSERT(cpc_level15_inum != 0); 90*0Sstevel@tonic-gate 91*0Sstevel@tonic-gate intr_enqueue_req(PIL_15, cpc_level15_inum); 92*0Sstevel@tonic-gate enable_vec_intr(pstate_save); 93*0Sstevel@tonic-gate } 94*0Sstevel@tonic-gate 95*0Sstevel@tonic-gate mutex_init(&cp->cpu_cpc_ctxlock, "cpu_cpc_ctxlock", MUTEX_DEFAULT, 0); 96*0Sstevel@tonic-gate 97*0Sstevel@tonic-gate if (kcpc_counts_include_idle) 98*0Sstevel@tonic-gate return; 99*0Sstevel@tonic-gate 100*0Sstevel@tonic-gate installctx(t, cp, kcpc_idle_save, kcpc_idle_restore, NULL, NULL, 101*0Sstevel@tonic-gate NULL, NULL); 102*0Sstevel@tonic-gate } 103*0Sstevel@tonic-gate 104*0Sstevel@tonic-gate /* 105*0Sstevel@tonic-gate * Examine the processor and load an appropriate PCBE. 106*0Sstevel@tonic-gate */ 107*0Sstevel@tonic-gate int 108*0Sstevel@tonic-gate kcpc_hw_load_pcbe(void) 109*0Sstevel@tonic-gate { 110*0Sstevel@tonic-gate uint64_t ver = ultra_getver(); 111*0Sstevel@tonic-gate 112*0Sstevel@tonic-gate return (kcpc_pcbe_tryload(NULL, ULTRA_VER_MANUF(ver), 113*0Sstevel@tonic-gate ULTRA_VER_IMPL(ver), ULTRA_VER_MASK(ver))); 114*0Sstevel@tonic-gate } 115*0Sstevel@tonic-gate 116*0Sstevel@tonic-gate /*ARGSUSED*/ 117*0Sstevel@tonic-gate static void 118*0Sstevel@tonic-gate kcpc_remotestop_func(uint64_t arg1, uint64_t arg2) 119*0Sstevel@tonic-gate { 120*0Sstevel@tonic-gate ASSERT(CPU->cpu_cpc_ctx != NULL); 121*0Sstevel@tonic-gate pcbe_ops->pcbe_allstop(); 122*0Sstevel@tonic-gate atomic_or_uint(&CPU->cpu_cpc_ctx->kc_flags, KCPC_CTX_INVALID_STOPPED); 123*0Sstevel@tonic-gate } 124*0Sstevel@tonic-gate 125*0Sstevel@tonic-gate /* 126*0Sstevel@tonic-gate * Ensure the counters are stopped on the given processor. 127*0Sstevel@tonic-gate * 128*0Sstevel@tonic-gate * Callers must ensure kernel preemption is disabled. 129*0Sstevel@tonic-gate */ 130*0Sstevel@tonic-gate void 131*0Sstevel@tonic-gate kcpc_remote_stop(cpu_t *cp) 132*0Sstevel@tonic-gate { 133*0Sstevel@tonic-gate xc_one(cp->cpu_id, kcpc_remotestop_func, 0, 0); 134*0Sstevel@tonic-gate } 135*0Sstevel@tonic-gate 136*0Sstevel@tonic-gate /*ARGSUSED*/ 137*0Sstevel@tonic-gate int 138*0Sstevel@tonic-gate kcpc_hw_cpu_hook(processorid_t cpuid, ulong_t *kcpc_cpumap) 139*0Sstevel@tonic-gate { 140*0Sstevel@tonic-gate return (0); 141*0Sstevel@tonic-gate } 142*0Sstevel@tonic-gate 143*0Sstevel@tonic-gate int 144*0Sstevel@tonic-gate kcpc_hw_lwp_hook(void) 145*0Sstevel@tonic-gate { 146*0Sstevel@tonic-gate return (0); 147*0Sstevel@tonic-gate } 148