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[ACPI] ACPICA 20051216

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Implemented optional support to allow unresolved names
within ASL Package objects. A null object is inserted in
the package when a named reference cannot be located in
the current namespace. Enabled via the interpreter slack
flag which Linux has enabled by default (acpi=strict
to disable slack).  This should eliminate AE_NOT_FOUND
exceptions seen on machines that contain such code.

Implemented an optimization to the initialization
sequence that can improve boot time. During ACPI device
initialization, the _STA method is now run if and only
if the _INI method exists. The _STA method is used to
determine if the device is present; An _INI can only be
run if _STA returns present, but it is a waste of time to
run the _STA method if the _INI does not exist. (Prototype
and assistance from Dong Wei)

Implemented use of the C99 uintptr_t for the pointer
casting macros if it is available in the current
compiler. Otherwise, the default (void *) cast is used
as before.

Fixed some possible memory leaks found within the
execution path of the Break, Continue, If, and CreateField
operators. (Valery Podrezov)

Fixed a problem introduced in the 20051202 release where
an exception is generated during method execution if a
control method attempts to declare another method.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Bob Moore
2005-12-16 17:05:00 -05:00
committed by Len Brown
parent cb654695f6
commit defba1d8f2
27 changed files with 800 additions and 444 deletions
Download Patch File Download Diff File Expand all files Collapse all files

99
drivers/acpi/namespace/nsinit.c
View File

@@ -336,23 +336,22 @@ acpi_ns_init_one_device(acpi_handle obj_handle,
struct acpi_parameter_info pinfo;
u32 flags;
acpi_status status;
struct acpi_namespace_node *ini_node;
struct acpi_namespace_node *device_node;
ACPI_FUNCTION_TRACE("ns_init_one_device");
pinfo.parameters = NULL;
pinfo.parameter_type = ACPI_PARAM_ARGS;
pinfo.node = acpi_ns_map_handle_to_node(obj_handle);
if (!pinfo.node) {
device_node = acpi_ns_map_handle_to_node(obj_handle);
if (!device_node) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/*
* We will run _STA/_INI on Devices, Processors and thermal_zones only
*/
if ((pinfo.node->type != ACPI_TYPE_DEVICE) &&
(pinfo.node->type != ACPI_TYPE_PROCESSOR) &&
(pinfo.node->type != ACPI_TYPE_THERMAL)) {
if ((device_node->type != ACPI_TYPE_DEVICE) &&
(device_node->type != ACPI_TYPE_PROCESSOR) &&
(device_node->type != ACPI_TYPE_THERMAL)) {
return_ACPI_STATUS(AE_OK);
}
@@ -364,57 +363,69 @@ acpi_ns_init_one_device(acpi_handle obj_handle,
info->device_count++;
/*
* Run _STA to determine if we can run _INI on the device.
* Check if the _INI method exists for this device -
* if _INI does not exist, there is no need to run _STA
* No _INI means device requires no initialization
*/
ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname(ACPI_TYPE_METHOD,
pinfo.node,
METHOD_NAME__STA));
status = acpi_ut_execute_STA(pinfo.node, &flags);
status = acpi_ns_search_node(*ACPI_CAST_PTR(u32, METHOD_NAME__INI),
device_node, ACPI_TYPE_METHOD, &ini_node);
if (ACPI_FAILURE(status)) {
if (pinfo.node->type == ACPI_TYPE_DEVICE) {
/* Ignore error and move on to next device */
/* No _INI method found - move on to next device */
return_ACPI_STATUS(AE_OK);
}
/* _STA is not required for Processor or thermal_zone objects */
} else {
info->num_STA++;
if (!(flags & 0x01)) {
/* Don't look at children of a not present device */
return_ACPI_STATUS(AE_CTRL_DEPTH);
}
return_ACPI_STATUS(AE_OK);
}
/*
* The device is present. Run _INI.
* Run _STA to determine if we can run _INI on the device -
* the device must be present before _INI can be run.
* However, _STA is not required - assume device present if no _STA
*/
ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname(ACPI_TYPE_METHOD,
device_node,
METHOD_NAME__STA));
pinfo.node = device_node;
pinfo.parameters = NULL;
pinfo.parameter_type = ACPI_PARAM_ARGS;
status = acpi_ut_execute_STA(pinfo.node, &flags);
if (ACPI_FAILURE(status)) {
/* Ignore error and move on to next device */
return_ACPI_STATUS(AE_OK);
}
if (flags != ACPI_UINT32_MAX) {
info->num_STA++;
}
if (!(flags & ACPI_STA_DEVICE_PRESENT)) {
/* Don't look at children of a not present device */
return_ACPI_STATUS(AE_CTRL_DEPTH);
}
/*
* The device is present and _INI exists. Run the _INI method.
* (We already have the _INI node from above)
*/
ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname(ACPI_TYPE_METHOD,
pinfo.node,
METHOD_NAME__INI));
status = acpi_ns_evaluate_relative(METHOD_NAME__INI, &pinfo);
if (ACPI_FAILURE(status)) {
/* No _INI (AE_NOT_FOUND) means device requires no initialization */
if (status != AE_NOT_FOUND) {
/* Ignore error and move on to next device */
pinfo.node = ini_node;
status = acpi_ns_evaluate_by_handle(&pinfo);
if (ACPI_FAILURE(status)) {
/* Ignore error and move on to next device */
#ifdef ACPI_DEBUG_OUTPUT
char *scope_name =
acpi_ns_get_external_pathname(pinfo.node);
char *scope_name = acpi_ns_get_external_pathname(ini_node);
ACPI_DEBUG_PRINT((ACPI_DB_WARN, "%s._INI failed: %s\n",
scope_name,
acpi_format_exception(status)));
ACPI_DEBUG_PRINT((ACPI_DB_WARN, "%s._INI failed: %s\n",
scope_name, acpi_format_exception(status)));
ACPI_MEM_FREE(scope_name);
ACPI_MEM_FREE(scope_name);
#endif
}
status = AE_OK;
} else {
/* Delete any return object (especially if implicit_return is enabled) */
@@ -434,5 +445,5 @@ acpi_ns_init_one_device(acpi_handle obj_handle,
acpi_gbl_init_handler(pinfo.node, ACPI_INIT_DEVICE_INI);
}
return_ACPI_STATUS(status);
return_ACPI_STATUS(AE_OK);
}

17
drivers/acpi/namespace/nssearch.c
View File

@@ -99,8 +99,8 @@ acpi_ns_search_node(u32 target_name,
if (scope_name) {
ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
"Searching %s (%p) For [%4.4s] (%s)\n",
scope_name, node,
(char *)&target_name,
scope_name, node, ACPI_CAST_PTR(char,
&target_name),
acpi_ut_get_type_name(type)));
ACPI_MEM_FREE(scope_name);
@@ -131,7 +131,7 @@ acpi_ns_search_node(u32 target_name,
*/
ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
"Name [%4.4s] (%s) %p found in scope [%4.4s] %p\n",
(char *)&target_name,
ACPI_CAST_PTR(char, &target_name),
acpi_ut_get_type_name(next_node->
type),
next_node,
@@ -160,7 +160,8 @@ acpi_ns_search_node(u32 target_name,
ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
"Name [%4.4s] (%s) not found in search in scope [%4.4s] %p first child %p\n",
(char *)&target_name, acpi_ut_get_type_name(type),
ACPI_CAST_PTR(char, &target_name),
acpi_ut_get_type_name(type),
acpi_ut_get_node_name(node), node, node->child));
return_ACPI_STATUS(AE_NOT_FOUND);
@@ -210,14 +211,14 @@ acpi_ns_search_parent_tree(u32 target_name,
*/
if (!parent_node) {
ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "[%4.4s] has no parent\n",
(char *)&target_name));
ACPI_CAST_PTR(char, &target_name)));
return_ACPI_STATUS(AE_NOT_FOUND);
}
if (acpi_ns_local(type)) {
ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
"[%4.4s] type [%s] must be local to this scope (no parent search)\n",
(char *)&target_name,
ACPI_CAST_PTR(char, &target_name),
acpi_ut_get_type_name(type)));
return_ACPI_STATUS(AE_NOT_FOUND);
}
@@ -227,7 +228,7 @@ acpi_ns_search_parent_tree(u32 target_name,
ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
"Searching parent [%4.4s] for [%4.4s]\n",
acpi_ut_get_node_name(parent_node),
(char *)&target_name));
ACPI_CAST_PTR(char, &target_name)));
/*
* Search parents until target is found or we have backed up to the root
@@ -360,7 +361,7 @@ acpi_ns_search_and_enter(u32 target_name,
if (interpreter_mode == ACPI_IMODE_EXECUTE) {
ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
"%4.4s Not found in %p [Not adding]\n",
(char *)&target_name, node));
ACPI_CAST_PTR(char, &target_name), node));
return_ACPI_STATUS(AE_NOT_FOUND);
}

4
drivers/acpi/namespace/nsxfeval.c
View File

@@ -473,8 +473,8 @@ acpi_ns_get_device_callback(acpi_handle obj_handle,
return (AE_CTRL_DEPTH);
}
if (!(flags & 0x01)) {
/* Don't return at the device or children of the device if not there */
if (!(flags & ACPI_STA_DEVICE_PRESENT)) {
/* Don't examine children of the device if not present */
return (AE_CTRL_DEPTH);
}