void
acpi_db_set_scope (
NATIVE_CHAR *name)
{
if (!name || name[0] == 0) {
acpi_os_printf ("Current scope: %s\n", acpi_gbl_db_scope_buf);
return;
}
acpi_db_prep_namestring (name);
/* TBD: [Future] Validate scope here */
if (name[0] == '\\') {
STRCPY (acpi_gbl_db_scope_buf, name);
STRCAT (acpi_gbl_db_scope_buf, "\\");
}
else {
STRCAT (acpi_gbl_db_scope_buf, name);
STRCAT (acpi_gbl_db_scope_buf, "\\");
}
acpi_os_printf ("New scope: %s\n", acpi_gbl_db_scope_buf);
}
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);
}
void
acpi_db_execute_setup (
db_method_info *info)
{
/* Catenate the current scope to the supplied name */
info->pathname[0] = 0;
if ((info->name[0] != '\\') &&
(info->name[0] != '/')) {
STRCAT (info->pathname, acpi_gbl_db_scope_buf);
}
STRCAT (info->pathname, info->name);
acpi_db_prep_namestring (info->pathname);
acpi_db_set_output_destination (DB_DUPLICATE_OUTPUT);
acpi_os_printf ("Executing %s\n", info->pathname);
if (info->flags & EX_SINGLE_STEP) {
acpi_gbl_cm_single_step = TRUE;
acpi_db_set_output_destination (DB_CONSOLE_OUTPUT);
}
else {
/* No single step, allow redirection to a file */
acpi_db_set_output_destination (DB_REDIRECTABLE_OUTPUT);
}
}
void acpi_db_set_scope(char *name)
{
acpi_status status;
struct acpi_namespace_node *node;
if (!name || name[0] == 0) {
acpi_os_printf("Current scope: %s\n", acpi_gbl_db_scope_buf);
return;
}
acpi_db_prep_namestring(name);
if (ACPI_IS_ROOT_PREFIX(name[0])) {
/* Validate new scope from the root */
status = acpi_ns_get_node(acpi_gbl_root_node, name,
ACPI_NS_NO_UPSEARCH, &node);
if (ACPI_FAILURE(status)) {
goto error_exit;
}
acpi_gbl_db_scope_buf[0] = 0;
} else {
/* Validate new scope relative to old scope */
status = acpi_ns_get_node(acpi_gbl_db_scope_node, name,
ACPI_NS_NO_UPSEARCH, &node);
if (ACPI_FAILURE(status)) {
goto error_exit;
}
}
/* Build the final pathname */
if (acpi_ut_safe_strcat
(acpi_gbl_db_scope_buf, sizeof(acpi_gbl_db_scope_buf), name)) {
status = AE_BUFFER_OVERFLOW;
goto error_exit;
}
if (acpi_ut_safe_strcat
(acpi_gbl_db_scope_buf, sizeof(acpi_gbl_db_scope_buf), "\\")) {
status = AE_BUFFER_OVERFLOW;
goto error_exit;
}
acpi_gbl_db_scope_node = node;
acpi_os_printf("New scope: %s\n", acpi_gbl_db_scope_buf);
return;
error_exit:
acpi_os_printf("Could not attach scope: %s, %s\n",
name, acpi_format_exception(status));
}
acpi_namespace_node *
acpi_db_local_ns_lookup (
NATIVE_CHAR *name)
{
NATIVE_CHAR *internal_path;
acpi_status status;
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 */
/* TBD: [Investigate] what scope do we use? */
/* Use the root scope for the start of the search */
status = acpi_ns_lookup (NULL, internal_path, ACPI_TYPE_ANY, IMODE_EXECUTE,
NS_NO_UPSEARCH | 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_MEM_FREE (internal_path);
return (node);
}
