// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
/*******************************************************************************
*
* Module Name : dbutils - AML debugger utilities
*
******************************************************************************/
#include <acpi/acpi.h>
#include "accommon.h"
#include "acnamesp.h"
#include "acdebug.h"
#define _COMPONENT ACPI_CA_DEBUGGER
ACPI_MODULE_NAME("dbutils" )
/* Local prototypes */
#ifdef ACPI_OBSOLETE_FUNCTIONS
acpi_status acpi_db_second_pass_parse(union acpi_parse_object *root);
void acpi_db_dump_buffer(u32 address);
#endif
/*******************************************************************************
*
* FUNCTION : acpi_db_match_argument
*
* PARAMETERS : user_argument - User command line
* arguments - Array of commands to match against
*
* RETURN : Index into command array or ACPI_TYPE_NOT_FOUND if not found
*
* DESCRIPTION : Search command array for a command match
*
******************************************************************************/
acpi_object_type
acpi_db_match_argument(char *user_argument,
struct acpi_db_argument_info *arguments)
{
u32 i;
if (!user_argument || user_argument[0 ] == 0 ) {
return (ACPI_TYPE_NOT_FOUND);
}
for (i = 0 ; arguments[i].name; i++) {
if (strstr(ACPI_CAST_PTR(char , arguments[i].name),
ACPI_CAST_PTR(char ,
user_argument)) == arguments[i].name) {
return (i);
}
}
/* Argument not recognized */
return (ACPI_TYPE_NOT_FOUND);
}
/*******************************************************************************
*
* FUNCTION : acpi_db_set_output_destination
*
* PARAMETERS : output_flags - Current flags word
*
* RETURN : None
*
* DESCRIPTION : Set the current destination for debugger output . Also sets
* the debug output level accordingly .
*
******************************************************************************/
void acpi_db_set_output_destination(u32 output_flags)
{
acpi_gbl_db_output_flags = (u8)output_flags;
if ((output_flags & ACPI_DB_REDIRECTABLE_OUTPUT) &&
acpi_gbl_db_output_to_file) {
acpi_dbg_level = acpi_gbl_db_debug_level;
} else {
acpi_dbg_level = acpi_gbl_db_console_debug_level;
}
}
/*******************************************************************************
*
* FUNCTION : acpi_db_dump_external_object
*
* PARAMETERS : obj_desc - External ACPI object to dump
* level - Nesting level .
*
* RETURN : None
*
* DESCRIPTION : Dump the contents of an ACPI external object
*
******************************************************************************/
void acpi_db_dump_external_object(union acpi_object *obj_desc, u32 level)
{
u32 i;
if (!obj_desc) {
acpi_os_printf("[Null Object]\n" );
return ;
}
for (i = 0 ; i < level; i++) {
acpi_os_printf(" " );
}
switch (obj_desc->type) {
case ACPI_TYPE_ANY:
acpi_os_printf("[Null Object] (Type=0)\n" );
break ;
case ACPI_TYPE_INTEGER:
acpi_os_printf("[Integer] = %8.8X%8.8X\n" ,
ACPI_FORMAT_UINT64(obj_desc->integer.value));
break ;
case ACPI_TYPE_STRING:
acpi_os_printf("[String] Length %.2X = " ,
obj_desc->string.length);
acpi_ut_print_string(obj_desc->string.pointer, ACPI_UINT8_MAX);
acpi_os_printf("\n" );
break ;
case ACPI_TYPE_BUFFER:
acpi_os_printf("[Buffer] Length %.2X = " ,
obj_desc->buffer.length);
if (obj_desc->buffer.length) {
if (obj_desc->buffer.length > 16 ) {
acpi_os_printf("\n" );
}
acpi_ut_debug_dump_buffer(ACPI_CAST_PTR
(u8,
obj_desc->buffer.pointer),
obj_desc->buffer.length,
DB_BYTE_DISPLAY, _COMPONENT);
} else {
acpi_os_printf("\n" );
}
break ;
case ACPI_TYPE_PACKAGE:
acpi_os_printf("[Package] Contains %u Elements:\n" ,
obj_desc->package.count);
for (i = 0 ; i < obj_desc->package.count; i++) {
acpi_db_dump_external_object(&obj_desc->package.
elements[i], level + 1 );
}
break ;
case ACPI_TYPE_LOCAL_REFERENCE:
acpi_os_printf("[Object Reference] = " );
acpi_db_display_internal_object(obj_desc->reference.handle,
NULL);
break ;
case ACPI_TYPE_PROCESSOR:
acpi_os_printf("[Processor]\n" );
break ;
case ACPI_TYPE_POWER:
acpi_os_printf("[Power Resource]\n" );
break ;
default :
acpi_os_printf("[Unknown Type] %X\n" , obj_desc->type);
break ;
}
}
/*******************************************************************************
*
* FUNCTION : acpi_db_prep_namestring
*
* PARAMETERS : name - String to prepare
*
* RETURN : None
*
* DESCRIPTION : Translate all forward slashes and dots to backslashes .
*
******************************************************************************/
void acpi_db_prep_namestring(char *name)
{
if (!name) {
return ;
}
acpi_ut_strupr(name);
/* Convert a leading forward slash to a backslash */
if (*name == '/' ) {
*name = '\\' ;
}
/* Ignore a leading backslash, this is the root prefix */
if (ACPI_IS_ROOT_PREFIX(*name)) {
name++;
}
/* Convert all slash path separators to dots */
while (*name) {
if ((*name == '/' ) || (*name == '\\' )) {
*name = '.' ;
}
name++;
}
}
/*******************************************************************************
*
* FUNCTION : acpi_db_local_ns_lookup
*
* PARAMETERS : name - Name to lookup
*
* RETURN : Pointer to a namespace node , null on failure
*
* DESCRIPTION : Lookup a name in the ACPI namespace
*
* Note : Currently begins search from the root . Could be enhanced to use
* the current prefix ( scope ) node as the search beginning point .
*
******************************************************************************/
struct acpi_namespace_node *acpi_db_local_ns_lookup(char *name)
{
char *internal_path;
acpi_status status;
struct acpi_namespace_node *node = NULL;
acpi_db_prep_namestring(name);
/* Build an internal namestring */
status = acpi_ns_internalize_name(name, &internal_path);
if (ACPI_FAILURE(status)) {
acpi_os_printf("Invalid namestring: %s\n" , name);
return (NULL);
}
/*
* Lookup the name .
* ( Uses root node as the search starting point )
*/
status = acpi_ns_lookup(NULL, internal_path, ACPI_TYPE_ANY,
ACPI_IMODE_EXECUTE,
ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE,
NULL, &node);
if (ACPI_FAILURE(status)) {
acpi_os_printf("Could not locate name: %s, %s\n" ,
name, acpi_format_exception(status));
}
ACPI_FREE(internal_path);
return (node);
}
/*******************************************************************************
*
* FUNCTION : acpi_db_uint32_to_hex_string
*
* PARAMETERS : value - The value to be converted to string
* buffer - Buffer for result ( not less than 11 bytes )
*
* RETURN : None
*
* DESCRIPTION : Convert the unsigned 32 - bit value to the hexadecimal image
*
* NOTE : It is the caller ' s responsibility to ensure that the length of buffer
* is sufficient .
*
******************************************************************************/
void acpi_db_uint32_to_hex_string(u32 value, char *buffer)
{
int i;
if (value == 0 ) {
strcpy(buffer, "0" );
return ;
}
buffer[8 ] = '\0' ;
for (i = 7 ; i >= 0 ; i--) {
buffer[i] = acpi_gbl_upper_hex_digits[value & 0 x0F];
value = value >> 4 ;
}
}
#ifdef ACPI_OBSOLETE_FUNCTIONS
/*******************************************************************************
*
* FUNCTION : acpi_db_second_pass_parse
*
* PARAMETERS : root - Root of the parse tree
*
* RETURN : Status
*
* DESCRIPTION : Second pass parse of the ACPI tables . We need to wait until
* second pass to parse the control methods
*
******************************************************************************/
acpi_status acpi_db_second_pass_parse(union acpi_parse_object *root)
{
union acpi_parse_object *op = root;
union acpi_parse_object *method;
union acpi_parse_object *search_op;
union acpi_parse_object *start_op;
acpi_status status = AE_OK;
u32 base_aml_offset;
struct acpi_walk_state *walk_state;
ACPI_FUNCTION_ENTRY();
acpi_os_printf("Pass two parse ....\n" );
while (op) {
if (op->common.aml_opcode == AML_METHOD_OP) {
method = op;
/* Create a new walk state for the parse */
walk_state =
acpi_ds_create_walk_state(0 , NULL, NULL, NULL);
if (!walk_state) {
return (AE_NO_MEMORY);
}
/* Init the Walk State */
walk_state->parser_state.aml =
walk_state->parser_state.aml_start =
method->named.data;
walk_state->parser_state.aml_end =
walk_state->parser_state.pkg_end =
method->named.data + method->named.length;
walk_state->parser_state.start_scope = op;
walk_state->descending_callback =
acpi_ds_load1_begin_op;
walk_state->ascending_callback = acpi_ds_load1_end_op;
/* Perform the AML parse */
status = acpi_ps_parse_aml(walk_state);
base_aml_offset =
(method->common.value.arg)->common.aml_offset + 1 ;
start_op = (method->common.value.arg)->common.next;
search_op = start_op;
while (search_op) {
search_op->common.aml_offset += base_aml_offset;
search_op =
acpi_ps_get_depth_next(start_op, search_op);
}
}
if (op->common.aml_opcode == AML_REGION_OP) {
/* TBD: [Investigate] this isn't quite the right thing to do! */
/*
*
* Method = ( ACPI_DEFERRED_OP * ) Op ;
* Status = acpi_ps_parse_aml ( Op , Method - > Body , Method - > body_length ) ;
*/
}
if (ACPI_FAILURE(status)) {
break ;
}
op = acpi_ps_get_depth_next(root, op);
}
return (status);
}
/*******************************************************************************
*
* FUNCTION : acpi_db_dump_buffer
*
* PARAMETERS : address - Pointer to the buffer
*
* RETURN : None
*
* 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
Messung V0.5 in Prozent C=94 H=92 G=92
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-10-11)
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