acpi_status
acpi_ps_display_object_pathname (
acpi_walk_state *walk_state,
acpi_parse_object *op)
{
acpi_parse_object *target_op;
/* Search parent tree up to the root if necessary */
target_op = acpi_ps_find (op, op->value.name, 0, 0);
if (!target_op) {
/*
* Didn't find the name in the parse tree. This may be
* a problem, or it may simply be one of the predefined names
* (such as _OS_). Rather than worry about looking up all
* the predefined names, just display the name as given
*/
acpi_os_printf (" **** Path not found in parse tree");
}
else {
/* The target was found, print the name and complete path */
acpi_os_printf (" (Path ");
acpi_db_display_path (target_op);
acpi_os_printf (")");
}
return (AE_OK);
}
void
acpi_ps_get_next_namepath (
ACPI_PARSE_STATE *parser_state,
ACPI_PARSE_OBJECT *arg,
u32 *arg_count,
u8 method_call)
{
NATIVE_CHAR *path;
ACPI_PARSE_OBJECT *name_op;
ACPI_PARSE_OBJECT *op;
ACPI_PARSE_OBJECT *count;
path = acpi_ps_get_next_namestring (parser_state);
if (!path || !method_call) {
/* Null name case, create a null namepath object */
acpi_ps_init_op (arg, AML_NAMEPATH_OP);
arg->value.name = path;
return;
}
if (acpi_gbl_parsed_namespace_root) {
/*
* Lookup the name in the parsed namespace
*/
op = NULL;
if (method_call) {
op = acpi_ps_find (acpi_ps_get_parent_scope (parser_state),
path, AML_METHOD_OP, 0);
}
if (op) {
if (op->opcode == AML_METHOD_OP) {
/*
* The name refers to a control method, so this namepath is a
* method invocation. We need to 1) Get the number of arguments
* associated with this method, and 2) Change the NAMEPATH
* object into a METHODCALL object.
*/
count = acpi_ps_get_arg (op, 0);
if (count && count->opcode == AML_BYTE_OP) {
name_op = acpi_ps_alloc_op (AML_NAMEPATH_OP);
if (name_op) {
/* Change arg into a METHOD CALL and attach the name */
acpi_ps_init_op (arg, AML_METHODCALL_OP);
name_op->value.name = path;
/* Point METHODCALL/NAME to the METHOD Node */
name_op->node = (ACPI_NAMESPACE_NODE *) op;
acpi_ps_append_arg (arg, name_op);
*arg_count = count->value.integer &
METHOD_FLAGS_ARG_COUNT;
}
}
return;
}
/*
* Else this is normal named object reference.
* Just init the NAMEPATH object with the pathname.
* (See code below)
*/
}
}
/*
* Either we didn't find the object in the namespace, or the object is
* something other than a control method. Just initialize the Op with the
* pathname
*/
acpi_ps_init_op (arg, AML_NAMEPATH_OP);
arg->value.name = path;
return;
}