1 /* $NetBSD: aml_obj.c,v 1.2 2009/01/18 09:46:59 lukem Exp $ */ 2 3 /*- 4 * Copyright (c) 1999 Takanori Watanabe 5 * Copyright (c) 1999, 2000 Mitsuru IWASAKI <iwasaki (at) FreeBSD.org> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * Id: aml_obj.c,v 1.17 2000/08/12 15:20:45 iwasaki Exp 30 * $FreeBSD: src/usr.sbin/acpi/amldb/aml/aml_obj.c,v 1.3 2000/11/09 06:24:45 iwasaki Exp $ 31 */ 32 #include <sys/cdefs.h> 33 __RCSID("$NetBSD: aml_obj.c,v 1.2 2009/01/18 09:46:59 lukem Exp $"); 34 35 #include <sys/param.h> 36 37 #include <acpi_common.h> 38 #include <aml/aml_amlmem.h> 39 #include <aml/aml_env.h> 40 #include <aml/aml_name.h> 41 #include <aml/aml_obj.h> 42 #include <aml/aml_status.h> 43 #include <aml/aml_store.h> 44 45 #ifndef _KERNEL 46 #include <sys/stat.h> 47 #include <sys/mman.h> 48 49 #include <assert.h> 50 #include <err.h> 51 #include <fcntl.h> 52 #include <stdio.h> 53 #include <stdlib.h> 54 #include <string.h> 55 #else /* _KERNEL */ 56 #include <sys/systm.h> 57 #endif /* !_KERNEL */ 58 59 union aml_object * 60 aml_copy_object(struct aml_environ *env, union aml_object *orig) 61 { 62 int i; 63 union aml_object *ret; 64 65 if (orig == NULL) 66 return (NULL); 67 switch (orig->type) { 68 case aml_t_regfield: 69 ret = aml_alloc_object(aml_t_buffer, 0); 70 ret->buffer.size = (orig->regfield.bitlen / 8) + 71 ((orig->regfield.bitlen % 8) ? 1 : 0); 72 if (ret->buffer.size == 0) { 73 goto out; 74 } 75 ret->buffer.data = memman_alloc_flexsize(aml_memman, ret->buffer.size); 76 aml_store_to_object(env, orig, ret); 77 break; 78 79 default: 80 ret = aml_alloc_object(0, orig); 81 break; 82 } 83 84 if (1 || orig != &env->tempobject) { /* XXX */ 85 if (orig->type == aml_t_buffer) { 86 if (orig->buffer.size == 0) { 87 goto out; 88 } 89 ret->buffer.data = memman_alloc_flexsize(aml_memman, 90 orig->buffer.size); 91 bcopy(orig->buffer.data, ret->buffer.data, orig->buffer.size); 92 } else if (orig->type == aml_t_package) { 93 if (ret->package.elements == 0) { 94 goto out; 95 } 96 ret->package.objects = memman_alloc_flexsize(aml_memman, 97 ret->package.elements * sizeof(union aml_object *)); 98 for (i = 0; i < ret->package.elements; i++) { 99 ret->package.objects[i] = aml_copy_object(env, orig->package.objects[i]); 100 } 101 } else if (orig->type == aml_t_string && orig->str.needfree != 0) { 102 ret->str.string = memman_alloc_flexsize(aml_memman, 103 strlen((const char *)orig->str.string) + 1); 104 strcpy((char *)orig->str.string, 105 (const char *)ret->str.string); 106 } else if (orig->type == aml_t_num) { 107 ret->num.constant = 0; 108 } 109 } else { 110 printf("%s:%d\n", __FILE__, __LINE__); 111 env->tempobject.type = aml_t_null; 112 } 113 out: 114 return ret; 115 } 116 117 /* 118 * This function have two function: copy or allocate. if orig != NULL, 119 * orig is duplicated. 120 */ 121 122 union aml_object * 123 aml_alloc_object(enum aml_objtype type, union aml_object *orig) 124 { 125 unsigned int memid; 126 union aml_object *ret; 127 128 if (orig != NULL) { 129 type = orig->type; 130 } 131 switch (type) { 132 case aml_t_namestr: 133 memid = memid_aml_namestr; 134 break; 135 case aml_t_buffer: 136 memid = memid_aml_buffer; 137 break; 138 case aml_t_string: 139 memid = memid_aml_string; 140 break; 141 case aml_t_bufferfield: 142 memid = memid_aml_bufferfield; 143 break; 144 case aml_t_package: 145 memid = memid_aml_package; 146 break; 147 case aml_t_num: 148 memid = memid_aml_num; 149 break; 150 case aml_t_powerres: 151 memid = memid_aml_powerres; 152 break; 153 case aml_t_opregion: 154 memid = memid_aml_opregion; 155 break; 156 case aml_t_method: 157 memid = memid_aml_method; 158 break; 159 case aml_t_processor: 160 memid = memid_aml_processor; 161 break; 162 case aml_t_field: 163 memid = memid_aml_field; 164 break; 165 case aml_t_mutex: 166 memid = memid_aml_mutex; 167 break; 168 case aml_t_device: 169 memid = memid_aml_objtype; 170 break; 171 case aml_t_objref: 172 memid = memid_aml_objref; 173 break; 174 default: 175 memid = memid_aml_objtype; 176 break; 177 } 178 ret = memman_alloc(aml_memman, memid); 179 ret->type = type; 180 181 if (orig != NULL) { 182 bcopy(orig, ret, memman_memid2size(aml_memman, memid)); 183 } 184 return (ret); 185 } 186 187 void 188 aml_free_objectcontent(union aml_object *obj) 189 { 190 int i; 191 192 if (obj->type == aml_t_buffer && obj->buffer.data != NULL) { 193 memman_free_flexsize(aml_memman, obj->buffer.data); 194 obj->buffer.data = NULL; 195 } 196 if (obj->type == aml_t_string && obj->str.string != NULL) { 197 if (obj->str.needfree != 0) { 198 memman_free_flexsize(aml_memman, obj->str.string); 199 obj->str.string = NULL; 200 } 201 } 202 if (obj->type == aml_t_package && obj->package.objects != NULL) { 203 for (i = 0; i < obj->package.elements; i++) { 204 aml_free_object(&obj->package.objects[i]); 205 } 206 memman_free_flexsize(aml_memman, obj->package.objects); 207 obj->package.objects = NULL; 208 } 209 } 210 211 void 212 aml_free_object(union aml_object **obj) 213 { 214 union aml_object *body; 215 216 body = *obj; 217 if (body == NULL) { 218 return; 219 } 220 aml_free_objectcontent(*obj); 221 memman_free(aml_memman, memid_unkown, *obj); 222 *obj = NULL; 223 } 224 225 void 226 aml_realloc_object(union aml_object *obj, int size) 227 { 228 int i; 229 enum aml_objtype type; 230 union aml_object tmp; 231 232 type = obj->type; 233 switch (type) { 234 case aml_t_buffer: 235 if (obj->buffer.size >= size) { 236 return; 237 } 238 tmp.buffer.size = size; 239 tmp.buffer.data = memman_alloc_flexsize(aml_memman, size); 240 bzero(tmp.buffer.data, size); 241 bcopy(obj->buffer.data, tmp.buffer.data, obj->buffer.size); 242 aml_free_objectcontent(obj); 243 *obj = tmp; 244 break; 245 case aml_t_string: 246 if ((int)strlen((const char *)obj->str.string) >= size) { 247 return; 248 } 249 tmp.str.string = memman_alloc_flexsize(aml_memman, size + 1); 250 strcpy((char *)tmp.str.string, (const char *)obj->str.string); 251 aml_free_objectcontent(obj); 252 *obj = tmp; 253 break; 254 case aml_t_package: 255 if (obj->package.elements >= size) { 256 return; 257 } 258 tmp.package.objects = memman_alloc_flexsize(aml_memman, 259 size * sizeof(union aml_object *)); 260 bzero(tmp.package.objects, size * sizeof(union aml_object *)); 261 for (i = 0; i < obj->package.elements; i++) { 262 tmp.package.objects[i] = obj->package.objects[i]; 263 } 264 memman_free_flexsize(aml_memman, obj->package.objects); 265 obj->package.objects = tmp.package.objects; 266 break; 267 default: 268 break; 269 } 270 } 271
Indexes created Sat Sep 20 22:09:52 GMT 2025