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 2006 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 /*ARGSUSED*/ 64 static int 65 gcpu_init(cpu_t *cpu, void **datap) 66 { 67 *datap = kmem_zalloc(sizeof (gcpu_data_t), KM_SLEEP); 68 return (0); 69 } 70 71 static void 72 gcpu_fini(void *data) 73 { 74 gcpu_data_t *dp = data; 75 76 kmem_free(dp->gcpu_mca.gcpu_mca_data, 77 dp->gcpu_mca.gcpu_mca_nbanks * sizeof (gcpu_mca_data_t)); 78 79 kmem_free(dp, sizeof (gcpu_data_t)); 80 } 81 82 const cmi_ops_t _cmi_ops = { 83 gcpu_init, /* cmi_init */ 84 gcpu_nop, /* cmi_post_init */ 85 gcpu_nop, /* cmi_post_mpstartup */ 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