1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 23 /* 24 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 25 * Use is subject to license terms. 26 */ 27 28 #pragma ident "%Z%%M% %I% %E% SMI" 29 30 /* 31 * Generic x86 CPU Module 32 * 33 * This CPU module is used for generic x86 CPUs when Solaris has no other 34 * CPU-specific support module available. Code in this module should be the 35 * absolute bare-bones support and must be cognizant of both Intel and AMD etc. 36 */ 37 38 #include <sys/types.h> 39 #include <sys/cpu_module_impl.h> 40 #include <sys/cpuvar.h> 41 #include <sys/kmem.h> 42 #include <sys/modctl.h> 43 44 #include "gcpu.h" 45 46 /*ARGSUSED*/ 47 static void 48 gcpu_nop(void *data) 49 { 50 } 51 52 static int 53 gcpu_notsup(void) 54 { 55 return (ENOTSUP); 56 } 57 58 static int 59 gcpu_nil(void) 60 { 61 return (0); 62 } 63 64 /*ARGSUSED*/ 65 static int 66 gcpu_init(cpu_t *cpu, void **datap) 67 { 68 *datap = kmem_zalloc(sizeof (gcpu_data_t), KM_SLEEP); 69 return (0); 70 } 71 72 static void 73 gcpu_fini(void *data) 74 { 75 gcpu_data_t *dp = data; 76 77 kmem_free(dp->gcpu_mca.gcpu_mca_data, 78 dp->gcpu_mca.gcpu_mca_nbanks * sizeof (gcpu_mca_data_t)); 79 80 kmem_free(dp, sizeof (gcpu_data_t)); 81 } 82 83 const cmi_ops_t _cmi_ops = { 84 gcpu_init, /* cmi_init */ 85 gcpu_nop, /* cmi_post_init */ 86 gcpu_fini, /* cmi_fini */ 87 gcpu_nop, /* cmi_faulted_enter */ 88 gcpu_nop, /* cmi_faulted_exit */ 89 (int (*)())gcpu_nil, /* cmi_scrubber_enable */ 90 gcpu_mca_init, /* cmi_mca_init */ 91 gcpu_mca_trap, /* cmi_mca_trap */ 92 (int (*)())gcpu_notsup, /* cmi_mca_inject */ 93 gcpu_nop, /* cmi_mca_poke */ 94 (void (*)())gcpu_nop, /* cmi_mc_register */ 95 (const cmi_mc_ops_t *(*)())gcpu_nop /* cmi_mc_getops */ 96 }; 97 98 static struct modlcpu modlcpu = { 99 &mod_cpuops, 100 "Generic x86 CPU Module" 101 }; 102 103 static struct modlinkage modlinkage = { 104 MODREV_1, 105 (void *)&modlcpu, 106 NULL 107 }; 108 109 int 110 _init(void) 111 { 112 return (mod_install(&modlinkage)); 113 } 114 115 int 116 _info(struct modinfo *modinfop) 117 { 118 return (mod_info(&modlinkage, modinfop)); 119 } 120 121 int 122 _fini(void) 123 { 124 return (mod_remove(&modlinkage)); 125 } 126