1 /****************************************************************************** 2 * 3 * Module Name: exdebug - Support for stores to the AML Debug Object 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2013, Intel Corp. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions, and the following disclaimer, 16 * without modification. 17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 * substantially similar to the "NO WARRANTY" disclaimer below 19 * ("Disclaimer") and any redistribution must be conditioned upon 20 * including a substantially similar Disclaimer requirement for further 21 * binary redistribution. 22 * 3. Neither the names of the above-listed copyright holders nor the names 23 * of any contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * Alternatively, this software may be distributed under the terms of the 27 * GNU General Public License ("GPL") version 2 as published by the Free 28 * Software Foundation. 29 * 30 * NO WARRANTY 31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 * POSSIBILITY OF SUCH DAMAGES. 42 */ 43 44 #include <acpi/acpi.h> 45 #include "accommon.h" 46 #include "acinterp.h" 47 48 #define _COMPONENT ACPI_EXECUTER 49 ACPI_MODULE_NAME("exdebug") 50 51 #ifndef ACPI_NO_ERROR_MESSAGES 52 /******************************************************************************* 53 * 54 * FUNCTION: acpi_ex_do_debug_object 55 * 56 * PARAMETERS: source_desc - Object to be output to "Debug Object" 57 * level - Indentation level (used for packages) 58 * index - Current package element, zero if not pkg 59 * 60 * RETURN: None 61 * 62 * DESCRIPTION: Handles stores to the AML Debug Object. For example: 63 * Store(INT1, Debug) 64 * 65 * This function is not compiled if ACPI_NO_ERROR_MESSAGES is set. 66 * 67 * This function is only enabled if acpi_gbl_enable_aml_debug_object is set, or 68 * if ACPI_LV_DEBUG_OBJECT is set in the acpi_dbg_level. Thus, in the normal 69 * operational case, stores to the debug object are ignored but can be easily 70 * enabled if necessary. 71 * 72 ******************************************************************************/ 73 void 74 acpi_ex_do_debug_object(union acpi_operand_object *source_desc, 75 u32 level, u32 index) 76 { 77 u32 i; 78 79 ACPI_FUNCTION_TRACE_PTR(ex_do_debug_object, source_desc); 80 81 /* Output must be enabled via the debug_object global or the dbg_level */ 82 83 if (!acpi_gbl_enable_aml_debug_object && 84 !(acpi_dbg_level & ACPI_LV_DEBUG_OBJECT)) { 85 return_VOID; 86 } 87 88 /* 89 * Print line header as long as we are not in the middle of an 90 * object display 91 */ 92 if (!((level > 0) && index == 0)) { 93 acpi_os_printf("[ACPI Debug] %*s", level, " "); 94 } 95 96 /* Display the index for package output only */ 97 98 if (index > 0) { 99 acpi_os_printf("(%.2u) ", index - 1); 100 } 101 102 if (!source_desc) { 103 acpi_os_printf("[Null Object]\n"); 104 return_VOID; 105 } 106 107 if (ACPI_GET_DESCRIPTOR_TYPE(source_desc) == ACPI_DESC_TYPE_OPERAND) { 108 acpi_os_printf("%s ", 109 acpi_ut_get_object_type_name(source_desc)); 110 111 if (!acpi_ut_valid_internal_object(source_desc)) { 112 acpi_os_printf("%p, Invalid Internal Object!\n", 113 source_desc); 114 return_VOID; 115 } 116 } else if (ACPI_GET_DESCRIPTOR_TYPE(source_desc) == 117 ACPI_DESC_TYPE_NAMED) { 118 acpi_os_printf("%s: %p\n", 119 acpi_ut_get_type_name(((struct 120 acpi_namespace_node *) 121 source_desc)->type), 122 source_desc); 123 return_VOID; 124 } else { 125 return_VOID; 126 } 127 128 /* source_desc is of type ACPI_DESC_TYPE_OPERAND */ 129 130 switch (source_desc->common.type) { 131 case ACPI_TYPE_INTEGER: 132 133 /* Output correct integer width */ 134 135 if (acpi_gbl_integer_byte_width == 4) { 136 acpi_os_printf("0x%8.8X\n", 137 (u32)source_desc->integer.value); 138 } else { 139 acpi_os_printf("0x%8.8X%8.8X\n", 140 ACPI_FORMAT_UINT64(source_desc->integer. 141 value)); 142 } 143 break; 144 145 case ACPI_TYPE_BUFFER: 146 147 acpi_os_printf("[0x%.2X]\n", (u32)source_desc->buffer.length); 148 acpi_ut_dump_buffer(source_desc->buffer.pointer, 149 (source_desc->buffer.length < 256) ? 150 source_desc->buffer.length : 256, 151 DB_BYTE_DISPLAY, 0); 152 break; 153 154 case ACPI_TYPE_STRING: 155 156 acpi_os_printf("[0x%.2X] \"%s\"\n", 157 source_desc->string.length, 158 source_desc->string.pointer); 159 break; 160 161 case ACPI_TYPE_PACKAGE: 162 163 acpi_os_printf("[Contains 0x%.2X Elements]\n", 164 source_desc->package.count); 165 166 /* Output the entire contents of the package */ 167 168 for (i = 0; i < source_desc->package.count; i++) { 169 acpi_ex_do_debug_object(source_desc->package. 170 elements[i], level + 4, i + 1); 171 } 172 break; 173 174 case ACPI_TYPE_LOCAL_REFERENCE: 175 176 acpi_os_printf("[%s] ", 177 acpi_ut_get_reference_name(source_desc)); 178 179 /* Decode the reference */ 180 181 switch (source_desc->reference.class) { 182 case ACPI_REFCLASS_INDEX: 183 184 acpi_os_printf("0x%X\n", source_desc->reference.value); 185 break; 186 187 case ACPI_REFCLASS_TABLE: 188 189 /* Case for ddb_handle */ 190 191 acpi_os_printf("Table Index 0x%X\n", 192 source_desc->reference.value); 193 return_VOID; 194 195 default: 196 197 break; 198 } 199 200 acpi_os_printf(" "); 201 202 /* Check for valid node first, then valid object */ 203 204 if (source_desc->reference.node) { 205 if (ACPI_GET_DESCRIPTOR_TYPE 206 (source_desc->reference.node) != 207 ACPI_DESC_TYPE_NAMED) { 208 acpi_os_printf 209 (" %p - Not a valid namespace node\n", 210 source_desc->reference.node); 211 } else { 212 acpi_os_printf("Node %p [%4.4s] ", 213 source_desc->reference.node, 214 (source_desc->reference.node)-> 215 name.ascii); 216 217 switch ((source_desc->reference.node)->type) { 218 219 /* These types have no attached object */ 220 221 case ACPI_TYPE_DEVICE: 222 acpi_os_printf("Device\n"); 223 break; 224 225 case ACPI_TYPE_THERMAL: 226 acpi_os_printf("Thermal Zone\n"); 227 break; 228 229 default: 230 231 acpi_ex_do_debug_object((source_desc-> 232 reference. 233 node)->object, 234 level + 4, 0); 235 break; 236 } 237 } 238 } else if (source_desc->reference.object) { 239 if (ACPI_GET_DESCRIPTOR_TYPE 240 (source_desc->reference.object) == 241 ACPI_DESC_TYPE_NAMED) { 242 acpi_ex_do_debug_object(((struct 243 acpi_namespace_node *) 244 source_desc->reference. 245 object)->object, 246 level + 4, 0); 247 } else { 248 acpi_ex_do_debug_object(source_desc->reference. 249 object, level + 4, 0); 250 } 251 } 252 break; 253 254 default: 255 256 acpi_os_printf("%p\n", source_desc); 257 break; 258 } 259 260 ACPI_DEBUG_PRINT_RAW((ACPI_DB_EXEC, "\n")); 261 return_VOID; 262 } 263 #endif 264