422 lines
10 KiB
C
422 lines
10 KiB
C
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// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
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/*******************************************************************************
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*
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* Module Name: dbutils - AML debugger utilities
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*
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******************************************************************************/
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#include <acpi/acpi.h>
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#include "accommon.h"
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#include "acnamesp.h"
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#include "acdebug.h"
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#define _COMPONENT ACPI_CA_DEBUGGER
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ACPI_MODULE_NAME("dbutils")
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/* Local prototypes */
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#ifdef ACPI_OBSOLETE_FUNCTIONS
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acpi_status acpi_db_second_pass_parse(union acpi_parse_object *root);
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void acpi_db_dump_buffer(u32 address);
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#endif
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/*******************************************************************************
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*
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* FUNCTION: acpi_db_match_argument
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*
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* PARAMETERS: user_argument - User command line
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* arguments - Array of commands to match against
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*
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* RETURN: Index into command array or ACPI_TYPE_NOT_FOUND if not found
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*
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* DESCRIPTION: Search command array for a command match
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*
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******************************************************************************/
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acpi_object_type
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acpi_db_match_argument(char *user_argument,
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struct acpi_db_argument_info *arguments)
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{
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u32 i;
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if (!user_argument || user_argument[0] == 0) {
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return (ACPI_TYPE_NOT_FOUND);
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}
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for (i = 0; arguments[i].name; i++) {
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if (strstr(ACPI_CAST_PTR(char, arguments[i].name),
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ACPI_CAST_PTR(char,
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user_argument)) == arguments[i].name) {
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return (i);
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}
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}
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/* Argument not recognized */
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return (ACPI_TYPE_NOT_FOUND);
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_db_set_output_destination
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*
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* PARAMETERS: output_flags - Current flags word
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*
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* RETURN: None
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*
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* DESCRIPTION: Set the current destination for debugger output. Also sets
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* the debug output level accordingly.
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*
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******************************************************************************/
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void acpi_db_set_output_destination(u32 output_flags)
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{
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acpi_gbl_db_output_flags = (u8)output_flags;
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if ((output_flags & ACPI_DB_REDIRECTABLE_OUTPUT) &&
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acpi_gbl_db_output_to_file) {
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acpi_dbg_level = acpi_gbl_db_debug_level;
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} else {
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acpi_dbg_level = acpi_gbl_db_console_debug_level;
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_db_dump_external_object
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*
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* PARAMETERS: obj_desc - External ACPI object to dump
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* level - Nesting level.
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*
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* RETURN: None
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*
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* DESCRIPTION: Dump the contents of an ACPI external object
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*
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******************************************************************************/
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void acpi_db_dump_external_object(union acpi_object *obj_desc, u32 level)
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{
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u32 i;
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if (!obj_desc) {
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acpi_os_printf("[Null Object]\n");
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return;
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}
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for (i = 0; i < level; i++) {
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acpi_os_printf(" ");
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}
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switch (obj_desc->type) {
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case ACPI_TYPE_ANY:
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acpi_os_printf("[Null Object] (Type=0)\n");
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break;
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case ACPI_TYPE_INTEGER:
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acpi_os_printf("[Integer] = %8.8X%8.8X\n",
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ACPI_FORMAT_UINT64(obj_desc->integer.value));
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break;
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case ACPI_TYPE_STRING:
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acpi_os_printf("[String] Length %.2X = ",
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obj_desc->string.length);
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acpi_ut_print_string(obj_desc->string.pointer, ACPI_UINT8_MAX);
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acpi_os_printf("\n");
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break;
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case ACPI_TYPE_BUFFER:
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acpi_os_printf("[Buffer] Length %.2X = ",
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obj_desc->buffer.length);
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if (obj_desc->buffer.length) {
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if (obj_desc->buffer.length > 16) {
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acpi_os_printf("\n");
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}
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acpi_ut_debug_dump_buffer(ACPI_CAST_PTR
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(u8,
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obj_desc->buffer.pointer),
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obj_desc->buffer.length,
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DB_BYTE_DISPLAY, _COMPONENT);
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} else {
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acpi_os_printf("\n");
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}
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break;
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case ACPI_TYPE_PACKAGE:
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acpi_os_printf("[Package] Contains %u Elements:\n",
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obj_desc->package.count);
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for (i = 0; i < obj_desc->package.count; i++) {
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acpi_db_dump_external_object(&obj_desc->package.
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elements[i], level + 1);
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}
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break;
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case ACPI_TYPE_LOCAL_REFERENCE:
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acpi_os_printf("[Object Reference] = ");
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acpi_db_display_internal_object(obj_desc->reference.handle,
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NULL);
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break;
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case ACPI_TYPE_PROCESSOR:
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acpi_os_printf("[Processor]\n");
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break;
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case ACPI_TYPE_POWER:
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acpi_os_printf("[Power Resource]\n");
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break;
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default:
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acpi_os_printf("[Unknown Type] %X\n", obj_desc->type);
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break;
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_db_prep_namestring
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*
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* PARAMETERS: name - String to prepare
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*
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* RETURN: None
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*
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* DESCRIPTION: Translate all forward slashes and dots to backslashes.
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*
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******************************************************************************/
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void acpi_db_prep_namestring(char *name)
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{
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if (!name) {
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return;
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}
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acpi_ut_strupr(name);
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/* Convert a leading forward slash to a backslash */
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if (*name == '/') {
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*name = '\\';
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}
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/* Ignore a leading backslash, this is the root prefix */
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if (ACPI_IS_ROOT_PREFIX(*name)) {
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name++;
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}
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/* Convert all slash path separators to dots */
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while (*name) {
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if ((*name == '/') || (*name == '\\')) {
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*name = '.';
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}
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name++;
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_db_local_ns_lookup
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*
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* PARAMETERS: name - Name to lookup
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*
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* RETURN: Pointer to a namespace node, null on failure
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*
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* DESCRIPTION: Lookup a name in the ACPI namespace
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*
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* Note: Currently begins search from the root. Could be enhanced to use
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* the current prefix (scope) node as the search beginning point.
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*
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******************************************************************************/
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struct acpi_namespace_node *acpi_db_local_ns_lookup(char *name)
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{
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char *internal_path;
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acpi_status status;
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struct acpi_namespace_node *node = NULL;
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acpi_db_prep_namestring(name);
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/* Build an internal namestring */
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status = acpi_ns_internalize_name(name, &internal_path);
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if (ACPI_FAILURE(status)) {
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acpi_os_printf("Invalid namestring: %s\n", name);
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return (NULL);
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}
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/*
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* Lookup the name.
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* (Uses root node as the search starting point)
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*/
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status = acpi_ns_lookup(NULL, internal_path, ACPI_TYPE_ANY,
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ACPI_IMODE_EXECUTE,
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ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE,
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NULL, &node);
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if (ACPI_FAILURE(status)) {
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acpi_os_printf("Could not locate name: %s, %s\n",
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name, acpi_format_exception(status));
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}
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ACPI_FREE(internal_path);
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return (node);
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_db_uint32_to_hex_string
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*
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* PARAMETERS: value - The value to be converted to string
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* buffer - Buffer for result (not less than 11 bytes)
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*
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* RETURN: None
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*
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* DESCRIPTION: Convert the unsigned 32-bit value to the hexadecimal image
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*
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* NOTE: It is the caller's responsibility to ensure that the length of buffer
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* is sufficient.
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*
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******************************************************************************/
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void acpi_db_uint32_to_hex_string(u32 value, char *buffer)
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{
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int i;
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if (value == 0) {
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strcpy(buffer, "0");
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return;
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}
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buffer[8] = '\0';
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for (i = 7; i >= 0; i--) {
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buffer[i] = acpi_gbl_upper_hex_digits[value & 0x0F];
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value = value >> 4;
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}
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}
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#ifdef ACPI_OBSOLETE_FUNCTIONS
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/*******************************************************************************
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*
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* FUNCTION: acpi_db_second_pass_parse
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*
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* PARAMETERS: root - Root of the parse tree
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*
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* RETURN: Status
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*
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* DESCRIPTION: Second pass parse of the ACPI tables. We need to wait until
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* second pass to parse the control methods
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*
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******************************************************************************/
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acpi_status acpi_db_second_pass_parse(union acpi_parse_object *root)
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{
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union acpi_parse_object *op = root;
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union acpi_parse_object *method;
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union acpi_parse_object *search_op;
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union acpi_parse_object *start_op;
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acpi_status status = AE_OK;
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u32 base_aml_offset;
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struct acpi_walk_state *walk_state;
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ACPI_FUNCTION_ENTRY();
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acpi_os_printf("Pass two parse ....\n");
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while (op) {
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if (op->common.aml_opcode == AML_METHOD_OP) {
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method = op;
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/* Create a new walk state for the parse */
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walk_state =
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acpi_ds_create_walk_state(0, NULL, NULL, NULL);
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if (!walk_state) {
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return (AE_NO_MEMORY);
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}
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/* Init the Walk State */
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walk_state->parser_state.aml =
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walk_state->parser_state.aml_start =
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method->named.data;
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walk_state->parser_state.aml_end =
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walk_state->parser_state.pkg_end =
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method->named.data + method->named.length;
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walk_state->parser_state.start_scope = op;
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walk_state->descending_callback =
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acpi_ds_load1_begin_op;
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walk_state->ascending_callback = acpi_ds_load1_end_op;
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/* Perform the AML parse */
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status = acpi_ps_parse_aml(walk_state);
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base_aml_offset =
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(method->common.value.arg)->common.aml_offset + 1;
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start_op = (method->common.value.arg)->common.next;
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search_op = start_op;
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while (search_op) {
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search_op->common.aml_offset += base_aml_offset;
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search_op =
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acpi_ps_get_depth_next(start_op, search_op);
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}
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}
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if (op->common.aml_opcode == AML_REGION_OP) {
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/* TBD: [Investigate] this isn't quite the right thing to do! */
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/*
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*
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* Method = (ACPI_DEFERRED_OP *) Op;
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* Status = acpi_ps_parse_aml (Op, Method->Body, Method->body_length);
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*/
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}
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if (ACPI_FAILURE(status)) {
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break;
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}
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op = acpi_ps_get_depth_next(root, op);
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}
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return (status);
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_db_dump_buffer
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*
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* PARAMETERS: address - Pointer to the buffer
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*
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* RETURN: None
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*
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* DESCRIPTION: Print a portion of a buffer
|
||
|
|
*
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
void acpi_db_dump_buffer(u32 address)
|
||
|
|
{
|
||
|
|
|
||
|
|
acpi_os_printf("\nLocation %X:\n", address);
|
||
|
|
|
||
|
|
acpi_dbg_level |= ACPI_LV_TABLES;
|
||
|
|
acpi_ut_debug_dump_buffer(ACPI_TO_POINTER(address), 64, DB_BYTE_DISPLAY,
|
||
|
|
ACPI_UINT32_MAX);
|
||
|
|
}
|
||
|
|
#endif
|