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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* 30 * Generic x86 CPU Module 31 * 32 * This CPU module is used for generic x86 CPUs when Solaris has no other 33 * CPU-specific support module available. Code in this module should be the 34 * absolute bare-bones support and must be cognizant of both Intel and AMD etc. 35 */ 36 37 #include <sys/types.h> 38 #include <sys/cpu_module_impl.h> 39 #include <sys/cpuvar.h> 40 #include <sys/kmem.h> 41 #include <sys/modctl.h> 42 43 #include "gcpu.h" 44 45 /*ARGSUSED*/ 46 static void 47 gcpu_nop(void *data) 48 { 49 } 50 51 static int 52 gcpu_notsup(void) 53 { 54 return (ENOTSUP); 55 } 56 57 static int 58 gcpu_nil(void) 59 { 60 return (0); 61 } 62 63 static void * 64 gcpu_null(void) 65 { 66 return (NULL); 67 } 68 69 /*ARGSUSED*/ 70 static int 71 gcpu_init(cpu_t *cpu, void **datap) 72 { 73 *datap = kmem_zalloc(sizeof (gcpu_data_t), KM_SLEEP); 74 return (0); 75 } 76 77 static void 78 gcpu_fini(void *data) 79 { 80 gcpu_data_t *dp = data; 81 82 kmem_free(dp->gcpu_mca.gcpu_mca_data, 83 dp->gcpu_mca.gcpu_mca_nbanks * sizeof (gcpu_mca_data_t)); 84 85 kmem_free(dp, sizeof (gcpu_data_t)); 86 } 87 88 const cmi_ops_t _cmi_ops = { 89 gcpu_init, /* cmi_init */ 90 gcpu_nop, /* cmi_post_init */ 91 gcpu_nop, /* cmi_post_mpstartup */ 92 gcpu_fini, /* cmi_fini */ 93 gcpu_nop, /* cmi_faulted_enter */ 94 gcpu_nop, /* cmi_faulted_exit */ 95 (int (*)())gcpu_nil, /* cmi_scrubber_enable */ 96 gcpu_mca_init, /* cmi_mca_init */ 97 gcpu_mca_trap, /* cmi_mca_trap */ 98 (int (*)())gcpu_notsup, /* cmi_mca_inject */ 99 gcpu_nop, /* cmi_mca_poke */ 100 (void (*)())gcpu_nop, /* cmi_mc_register */ 101 (const cmi_mc_ops_t *(*)())gcpu_null /* cmi_mc_getops */ 102 }; 103 104 static struct modlcpu modlcpu = { 105 &mod_cpuops, 106 "Generic x86 CPU Module" 107 }; 108 109 static struct modlinkage modlinkage = { 110 MODREV_1, 111 (void *)&modlcpu, 112 NULL 113 }; 114 115 int 116 _init(void) 117 { 118 return (mod_install(&modlinkage)); 119 } 120 121 int 122 _info(struct modinfo *modinfop) 123 { 124 return (mod_info(&modlinkage, modinfop)); 125 } 126 127 int 128 _fini(void) 129 { 130 return (mod_remove(&modlinkage)); 131 } 132