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 #include <sys/machsystm.h> 30*0Sstevel@tonic-gate #include <sys/cpu_module.h> 31*0Sstevel@tonic-gate #include <sys/dtrace.h> 32*0Sstevel@tonic-gate #include <sys/cpu_sgnblk_defs.h> 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate /* 35*0Sstevel@tonic-gate * Useful for disabling MP bring-up for an MP capable kernel 36*0Sstevel@tonic-gate * (a kernel that was built with MP defined) 37*0Sstevel@tonic-gate */ 38*0Sstevel@tonic-gate int use_mp = 1; /* set to come up mp */ 39*0Sstevel@tonic-gate 40*0Sstevel@tonic-gate /* 41*0Sstevel@tonic-gate * Init CPU info - get CPU type info for processor_info system call. 42*0Sstevel@tonic-gate */ 43*0Sstevel@tonic-gate void 44*0Sstevel@tonic-gate init_cpu_info(struct cpu *cp) 45*0Sstevel@tonic-gate { 46*0Sstevel@tonic-gate processor_info_t *pi = &cp->cpu_type_info; 47*0Sstevel@tonic-gate int cpuid = cp->cpu_id; 48*0Sstevel@tonic-gate struct cpu_node *cpunode = &cpunodes[cpuid]; 49*0Sstevel@tonic-gate char buf[CPU_IDSTRLEN]; 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate cp->cpu_fpowner = NULL; /* not used for V9 */ 52*0Sstevel@tonic-gate 53*0Sstevel@tonic-gate /* 54*0Sstevel@tonic-gate * Get clock-frequency property from cpunodes[] for the CPU. 55*0Sstevel@tonic-gate */ 56*0Sstevel@tonic-gate pi->pi_clock = (cpunode->clock_freq + 500000) / 1000000; 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate (void) strcpy(pi->pi_processor_type, "sparcv9"); 59*0Sstevel@tonic-gate (void) strcpy(pi->pi_fputypes, "sparcv9"); 60*0Sstevel@tonic-gate 61*0Sstevel@tonic-gate (void) snprintf(buf, sizeof (buf), 62*0Sstevel@tonic-gate "%s (cpuid %d clock %d MHz)", 63*0Sstevel@tonic-gate cpunode->name, cpunode->cpuid, pi->pi_clock); 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate cp->cpu_idstr = kmem_alloc(strlen(buf) + 1, KM_SLEEP); 66*0Sstevel@tonic-gate (void) strcpy(cp->cpu_idstr, buf); 67*0Sstevel@tonic-gate 68*0Sstevel@tonic-gate cmn_err(CE_CONT, "?cpu%d: %s\n", cpuid, cp->cpu_idstr); 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate cp->cpu_brandstr = kmem_alloc(strlen(cpunode->name) + 1, KM_SLEEP); 71*0Sstevel@tonic-gate (void) strcpy(cp->cpu_brandstr, cpunode->name); 72*0Sstevel@tonic-gate 73*0Sstevel@tonic-gate /* 74*0Sstevel@tonic-gate * StarFire requires the signature block stuff setup here 75*0Sstevel@tonic-gate */ 76*0Sstevel@tonic-gate CPU_SGN_MAPIN(cpuid); 77*0Sstevel@tonic-gate if (cpuid == cpu0.cpu_id) { 78*0Sstevel@tonic-gate /* 79*0Sstevel@tonic-gate * cpu0 starts out running. Other cpus are 80*0Sstevel@tonic-gate * still in OBP land and we will leave them 81*0Sstevel@tonic-gate * alone for now. 82*0Sstevel@tonic-gate */ 83*0Sstevel@tonic-gate CPU_SIGNATURE(OS_SIG, SIGST_RUN, SIGSUBST_NULL, cpuid); 84*0Sstevel@tonic-gate #ifdef lint 85*0Sstevel@tonic-gate cpuid = cpuid; 86*0Sstevel@tonic-gate #endif /* lint */ 87*0Sstevel@tonic-gate } 88*0Sstevel@tonic-gate } 89*0Sstevel@tonic-gate 90*0Sstevel@tonic-gate /* ARGSUSED */ 91*0Sstevel@tonic-gate /* 92*0Sstevel@tonic-gate * Routine used to cleanup a CPU that has been powered off. This will 93*0Sstevel@tonic-gate * destroy all per-cpu information related to this cpu. 94*0Sstevel@tonic-gate */ 95*0Sstevel@tonic-gate int 96*0Sstevel@tonic-gate mp_cpu_unconfigure(int cpuid) 97*0Sstevel@tonic-gate { 98*0Sstevel@tonic-gate return (0); 99*0Sstevel@tonic-gate } 100*0Sstevel@tonic-gate 101*0Sstevel@tonic-gate /* ARGSUSED */ 102*0Sstevel@tonic-gate int 103*0Sstevel@tonic-gate mp_find_cpu(dev_info_t *dip, void *arg) 104*0Sstevel@tonic-gate { 105*0Sstevel@tonic-gate return (0); 106*0Sstevel@tonic-gate } 107*0Sstevel@tonic-gate 108*0Sstevel@tonic-gate /* ARGSUSED */ 109*0Sstevel@tonic-gate /* 110*0Sstevel@tonic-gate * Routine used to setup a newly inserted CPU in preparation for starting 111*0Sstevel@tonic-gate * it running code. 112*0Sstevel@tonic-gate */ 113*0Sstevel@tonic-gate int 114*0Sstevel@tonic-gate mp_cpu_configure(int cpuid) 115*0Sstevel@tonic-gate { 116*0Sstevel@tonic-gate return (0); 117*0Sstevel@tonic-gate } 118