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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 | // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 /****************************************************************************** * * Module Name: exdebug - Support for stores to the AML Debug Object * * Copyright (C) 2000 - 2022, Intel Corp. * *****************************************************************************/ #include <acpi/acpi.h> #include "accommon.h" #include "acinterp.h" #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME("exdebug") #ifndef ACPI_NO_ERROR_MESSAGES /******************************************************************************* * * FUNCTION: acpi_ex_do_debug_object * * PARAMETERS: source_desc - Object to be output to "Debug Object" * level - Indentation level (used for packages) * index - Current package element, zero if not pkg * * RETURN: None * * DESCRIPTION: Handles stores to the AML Debug Object. For example: * Store(INT1, Debug) * * This function is not compiled if ACPI_NO_ERROR_MESSAGES is set. * * This function is only enabled if acpi_gbl_enable_aml_debug_object is set, or * if ACPI_LV_DEBUG_OBJECT is set in the acpi_dbg_level. Thus, in the normal * operational case, stores to the debug object are ignored but can be easily * enabled if necessary. * ******************************************************************************/ void acpi_ex_do_debug_object(union acpi_operand_object *source_desc, u32 level, u32 index) { u32 i; u32 timer; union acpi_operand_object *object_desc; u32 value; ACPI_FUNCTION_TRACE_PTR(ex_do_debug_object, source_desc); /* Output must be enabled via the debug_object global or the dbg_level */ if (!acpi_gbl_enable_aml_debug_object && !(acpi_dbg_level & ACPI_LV_DEBUG_OBJECT)) { return_VOID; } /* Newline -- don't emit the line header */ if (source_desc && (ACPI_GET_DESCRIPTOR_TYPE(source_desc) == ACPI_DESC_TYPE_OPERAND) && (source_desc->common.type == ACPI_TYPE_STRING)) { if ((source_desc->string.length == 1) && (*source_desc->string.pointer == '\n')) { acpi_os_printf("\n"); return_VOID; } } /* * Print line header as long as we are not in the middle of an * object display */ if (!((level > 0) && index == 0)) { if (acpi_gbl_display_debug_timer) { /* * We will emit the current timer value (in microseconds) with each * debug output. Only need the lower 26 bits. This allows for 67 * million microseconds or 67 seconds before rollover. * * Convert 100 nanosecond units to microseconds */ timer = ((u32)acpi_os_get_timer() / 10); timer &= 0x03FFFFFF; acpi_os_printf("ACPI Debug: T=0x%8.8X %*s", timer, level, " "); } else { acpi_os_printf("ACPI Debug: %*s", level, " "); } } /* Display the index for package output only */ if (index > 0) { acpi_os_printf("(%.2u) ", index - 1); } if (!source_desc) { acpi_os_printf("[Null Object]\n"); return_VOID; } if (ACPI_GET_DESCRIPTOR_TYPE(source_desc) == ACPI_DESC_TYPE_OPERAND) { /* No object type prefix needed for integers and strings */ if ((source_desc->common.type != ACPI_TYPE_INTEGER) && (source_desc->common.type != ACPI_TYPE_STRING)) { acpi_os_printf("%s ", acpi_ut_get_object_type_name (source_desc)); } if (!acpi_ut_valid_internal_object(source_desc)) { acpi_os_printf("%p, Invalid Internal Object!\n", source_desc); return_VOID; } } else if (ACPI_GET_DESCRIPTOR_TYPE(source_desc) == ACPI_DESC_TYPE_NAMED) { acpi_os_printf("%s (Node %p)\n", acpi_ut_get_type_name(((struct acpi_namespace_node *) source_desc)->type), source_desc); return_VOID; } else { return_VOID; } /* source_desc is of type ACPI_DESC_TYPE_OPERAND */ switch (source_desc->common.type) { case ACPI_TYPE_INTEGER: /* Output correct integer width */ if (acpi_gbl_integer_byte_width == 4) { acpi_os_printf("0x%8.8X\n", (u32)source_desc->integer.value); } else { acpi_os_printf("0x%8.8X%8.8X\n", ACPI_FORMAT_UINT64(source_desc->integer. value)); } break; case ACPI_TYPE_BUFFER: acpi_os_printf("[0x%.2X]\n", (u32)source_desc->buffer.length); acpi_ut_dump_buffer(source_desc->buffer.pointer, (source_desc->buffer.length < 256) ? source_desc->buffer.length : 256, DB_BYTE_DISPLAY, 0); break; case ACPI_TYPE_STRING: acpi_os_printf("\"%s\"\n", source_desc->string.pointer); break; case ACPI_TYPE_PACKAGE: acpi_os_printf("(Contains 0x%.2X Elements):\n", source_desc->package.count); /* Output the entire contents of the package */ for (i = 0; i < source_desc->package.count; i++) { acpi_ex_do_debug_object(source_desc->package. elements[i], level + 4, i + 1); } break; case ACPI_TYPE_LOCAL_REFERENCE: acpi_os_printf("[%s] ", acpi_ut_get_reference_name(source_desc)); /* Decode the reference */ switch (source_desc->reference.class) { case ACPI_REFCLASS_INDEX: acpi_os_printf("0x%X\n", source_desc->reference.value); break; case ACPI_REFCLASS_TABLE: /* Case for ddb_handle */ acpi_os_printf("Table Index 0x%X\n", source_desc->reference.value); return_VOID; default: break; } acpi_os_printf(" "); /* Check for valid node first, then valid object */ if (source_desc->reference.node) { if (ACPI_GET_DESCRIPTOR_TYPE (source_desc->reference.node) != ACPI_DESC_TYPE_NAMED) { acpi_os_printf (" %p - Not a valid namespace node\n", source_desc->reference.node); } else { acpi_os_printf("Node %p [%4.4s] ", source_desc->reference.node, (source_desc->reference.node)-> name.ascii); switch ((source_desc->reference.node)->type) { /* These types have no attached object */ case ACPI_TYPE_DEVICE: acpi_os_printf("Device\n"); break; case ACPI_TYPE_THERMAL: acpi_os_printf("Thermal Zone\n"); break; default: acpi_ex_do_debug_object((source_desc-> reference. node)->object, level + 4, 0); break; } } } else if (source_desc->reference.object) { if (ACPI_GET_DESCRIPTOR_TYPE (source_desc->reference.object) == ACPI_DESC_TYPE_NAMED) { /* Reference object is a namespace node */ acpi_ex_do_debug_object(ACPI_CAST_PTR (union acpi_operand_object, source_desc->reference. object), level + 4, 0); } else { object_desc = source_desc->reference.object; value = source_desc->reference.value; switch (object_desc->common.type) { case ACPI_TYPE_BUFFER: acpi_os_printf("Buffer[%u] = 0x%2.2X\n", value, *source_desc->reference. index_pointer); break; case ACPI_TYPE_STRING: acpi_os_printf ("String[%u] = \"%c\" (0x%2.2X)\n", value, *source_desc->reference. index_pointer, *source_desc->reference. index_pointer); break; case ACPI_TYPE_PACKAGE: acpi_os_printf("Package[%u] = ", value); if (!(*source_desc->reference.where)) { acpi_os_printf ("[Uninitialized Package Element]\n"); } else { acpi_ex_do_debug_object (*source_desc->reference. where, level + 4, 0); } break; default: acpi_os_printf ("Unknown Reference object type %X\n", object_desc->common.type); break; } } } break; default: acpi_os_printf("(Descriptor %p)\n", source_desc); break; } ACPI_DEBUG_PRINT_RAW((ACPI_DB_EXEC, "\n")); return_VOID; } #endif |