ACPICA 20130328 Release

index 8c25bb0..bbeb961 100644
@@ -421,7 +421,7 @@ acpi_ut_get_object_size(union acpi_operand_object *obj, acpi_size * obj_length);
  */
 acpi_status acpi_ut_initialize_interfaces(void);
 
-void acpi_ut_interface_terminate(void);
+acpi_status acpi_ut_interface_terminate(void);
 
 acpi_status acpi_ut_install_interface(acpi_string interface_name);
 

index 36a7d36..b15aceb 100644
@@ -108,9 +108,14 @@ static struct acpi_interface_info acpi_default_supported_interfaces[] = {
 
 acpi_status acpi_ut_initialize_interfaces(void)
 {
+	acpi_status status;
 	u32 i;
 
-	(void)acpi_os_acquire_mutex(acpi_gbl_osi_mutex, ACPI_WAIT_FOREVER);
+	status = acpi_os_acquire_mutex(acpi_gbl_osi_mutex, ACPI_WAIT_FOREVER);
+	if (ACPI_FAILURE(status)) {
+		return (status);
+	}
+
 	acpi_gbl_supported_interfaces = acpi_default_supported_interfaces;
 
 	/* Link the static list of supported interfaces */

@@ -132,20 +137,24 @@ acpi_status acpi_ut_initialize_interfaces(void)
  *
  * PARAMETERS:  None
  *
- * RETURN:      None
+ * RETURN:      Status
  *
  * DESCRIPTION: Delete all interfaces in the global list. Sets
  *              acpi_gbl_supported_interfaces to NULL.
  *
  ******************************************************************************/
 
-void acpi_ut_interface_terminate(void)
+acpi_status acpi_ut_interface_terminate(void)
 {
+	acpi_status status;
 	struct acpi_interface_info *next_interface;
 
-	(void)acpi_os_acquire_mutex(acpi_gbl_osi_mutex, ACPI_WAIT_FOREVER);
-	next_interface = acpi_gbl_supported_interfaces;
+	status = acpi_os_acquire_mutex(acpi_gbl_osi_mutex, ACPI_WAIT_FOREVER);
+	if (ACPI_FAILURE(status)) {
+		return (status);
+	}
 
+	next_interface = acpi_gbl_supported_interfaces;
 	while (next_interface) {
 		acpi_gbl_supported_interfaces = next_interface->next;
 

@@ -160,6 +169,7 @@ void acpi_ut_interface_terminate(void)
 	}
 
 	acpi_os_release_mutex(acpi_gbl_osi_mutex);
+	return (AE_OK);
 }
 
 /*******************************************************************************

@@ -315,6 +325,7 @@ acpi_status acpi_ut_osi_implementation(struct acpi_walk_state * walk_state)
 	union acpi_operand_object *return_desc;
 	struct acpi_interface_info *interface_info;
 	acpi_interface_handler interface_handler;
+	acpi_status status;
 	u32 return_value;
 
 	ACPI_FUNCTION_TRACE(ut_osi_implementation);

@@ -336,7 +347,10 @@ acpi_status acpi_ut_osi_implementation(struct acpi_walk_state * walk_state)
 	/* Default return value is 0, NOT SUPPORTED */
 
 	return_value = 0;
-	(void)acpi_os_acquire_mutex(acpi_gbl_osi_mutex, ACPI_WAIT_FOREVER);
+	status = acpi_os_acquire_mutex(acpi_gbl_osi_mutex, ACPI_WAIT_FOREVER);
+	if (ACPI_FAILURE(status)) {
+		return (status);
+	}
 
 	/* Lookup the interface in the global _OSI list */
 

index 48efb44..6505774 100644
@@ -287,7 +287,10 @@ acpi_status acpi_install_interface(acpi_string interface_name)
 		return (AE_BAD_PARAMETER);
 	}
 
-	(void)acpi_os_acquire_mutex(acpi_gbl_osi_mutex, ACPI_WAIT_FOREVER);
+	status = acpi_os_acquire_mutex(acpi_gbl_osi_mutex, ACPI_WAIT_FOREVER);
+	if (ACPI_FAILURE(status)) {
+		return (status);
+	}
 
 	/* Check if the interface name is already in the global list */
 

@@ -336,7 +339,10 @@ acpi_status acpi_remove_interface(acpi_string interface_name)
 		return (AE_BAD_PARAMETER);
 	}
 
-	(void)acpi_os_acquire_mutex(acpi_gbl_osi_mutex, ACPI_WAIT_FOREVER);
+	status = acpi_os_acquire_mutex(acpi_gbl_osi_mutex, ACPI_WAIT_FOREVER);
+	if (ACPI_FAILURE(status)) {
+		return (status);
+	}
 
 	status = acpi_ut_remove_interface(interface_name);
 

@@ -362,9 +368,12 @@ ACPI_EXPORT_SYMBOL(acpi_remove_interface)
  ****************************************************************************/
 acpi_status acpi_install_interface_handler(acpi_interface_handler handler)
 {
-	acpi_status status = AE_OK;
+	acpi_status status;
 
-	(void)acpi_os_acquire_mutex(acpi_gbl_osi_mutex, ACPI_WAIT_FOREVER);
+	status = acpi_os_acquire_mutex(acpi_gbl_osi_mutex, ACPI_WAIT_FOREVER);
+	if (ACPI_FAILURE(status)) {
+		return (status);
+	}
 
 	if (handler && acpi_gbl_interface_handler) {
 		status = AE_ALREADY_EXISTS;

index 636658f..d5bfbd3 100644
@@ -294,6 +294,8 @@ acpi_status(*acpi_internal_method) (struct acpi_walk_state * walk_state);
 #define ACPI_BTYPE_OBJECTS_AND_REFS     0x0001FFFF	/* ARG or LOCAL */
 #define ACPI_BTYPE_ALL_OBJECTS          0x0000FFFF
 
+#pragma pack(1)
+
 /*
  * Information structure for ACPI predefined names.
  * Each entry in the table contains the following items:

@@ -304,7 +306,7 @@ acpi_status(*acpi_internal_method) (struct acpi_walk_state * walk_state);
  */
 struct acpi_name_info {
 	char name[ACPI_NAME_SIZE];
-	u8 param_count;
+	u16 argument_list;
 	u8 expected_btypes;
 };
 

@@ -327,7 +329,7 @@ struct acpi_package_info {
 	u8 count1;
 	u8 object_type2;
 	u8 count2;
-	u8 reserved;
+	u16 reserved;
 };
 
 /* Used for ACPI_PTYPE2_FIXED */

@@ -336,6 +338,7 @@ struct acpi_package_info2 {
 	u8 type;
 	u8 count;
 	u8 object_type[4];
+	u8 reserved;
 };
 
 /* Used for ACPI_PTYPE1_OPTION */

@@ -345,7 +348,7 @@ struct acpi_package_info3 {
 	u8 count;
 	u8 object_type[2];
 	u8 tail_object_type;
-	u8 reserved;
+	u16 reserved;
 };
 
 union acpi_predefined_info {

@@ -355,6 +358,10 @@ union acpi_predefined_info {
 	struct acpi_package_info3 ret_info3;
 };
 
+/* Reset to default packing */
+
+#pragma pack()
+
 /* Data block used during object validation */
 
 struct acpi_predefined_data {

index 6475962..d2e4918 100644
@@ -231,10 +231,6 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
 			       acpi_status return_status,
 			       union acpi_operand_object **return_object);
 
-const union acpi_predefined_info *acpi_ns_check_for_predefined_name(struct
-								    acpi_namespace_node
-								    *node);
-
 void
 acpi_ns_check_parameter_count(char *pathname,
 			      struct acpi_namespace_node *node,

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index c01f1a1..8c25bb0 100644
@@ -432,6 +432,26 @@ struct acpi_interface_info *acpi_ut_get_interface(acpi_string interface_name);
 acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state);
 
 /*
+ * utpredef - support for predefined names
+ */
+const union acpi_predefined_info *acpi_ut_get_next_predefined_method(const union
+								     acpi_predefined_info
+								     *this_name);
+
+const union acpi_predefined_info *acpi_ut_match_predefined_method(char *name);
+
+const union acpi_predefined_info *acpi_ut_match_resource_name(char *name);
+
+void
+acpi_ut_display_predefined_method(char *buffer,
+				  const union acpi_predefined_info *this_name,
+				  u8 multi_line);
+
+void acpi_ut_get_expected_return_types(char *buffer, u32 expected_btypes);
+
+u32 acpi_ut_get_resource_bit_width(char *buffer, u16 types);
+
+/*
  * utstate - Generic state creation/cache routines
  */
 void

index 1538f3e..b61db69 100644
@@ -98,17 +98,21 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info * info)
 	info->return_object = NULL;
 	info->param_count = 0;
 
-	/*
-	 * Get the actual namespace node for the target object. Handles these cases:
-	 *
-	 * 1) Null node, Pathname (absolute path)
-	 * 2) Node, Pathname (path relative to Node)
-	 * 3) Node, Null Pathname
-	 */
-	status = acpi_ns_get_node(info->prefix_node, info->pathname,
-				  ACPI_NS_NO_UPSEARCH, &info->resolved_node);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
+	if (!info->resolved_node) {
+		/*
+		 * Get the actual namespace node for the target object if we need to.
+		 * Handles these cases:
+		 *
+		 * 1) Null node, Pathname (absolute path)
+		 * 2) Node, Pathname (path relative to Node)
+		 * 3) Node, Null Pathname
+		 */
+		status = acpi_ns_get_node(info->prefix_node, info->pathname,
+					  ACPI_NS_NO_UPSEARCH,
+					  &info->resolved_node);
+		if (ACPI_FAILURE(status)) {
+			return_ACPI_STATUS(status);
+		}
 	}
 
 	/*

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399 lines not on this page · raw message

index b35a5e6..ad11162 100644
@@ -1,6 +1,6 @@
 /******************************************************************************
  *
- * Module Name: tbxface - ACPI table oriented external interfaces
+ * Module Name: tbxface - ACPI table-oriented external interfaces
  *
  *****************************************************************************/
 

@@ -80,7 +80,7 @@ acpi_status acpi_allocate_root_table(u32 initial_table_count)
  *                                    array is dynamically allocated.
  *              initial_table_count - Size of initial_table_array, in number of
  *                                    struct acpi_table_desc structures
- *              allow_realloc       - Flag to tell Table Manager if resize of
+ *              allow_resize        - Flag to tell Table Manager if resize of
  *                                    pre-allocated array is allowed. Ignored
  *                                    if initial_table_array is NULL.
  *

@@ -107,8 +107,8 @@ acpi_initialize_tables(struct acpi_table_desc * initial_table_array,
 	ACPI_FUNCTION_TRACE(acpi_initialize_tables);
 
 	/*
-	 * Set up the Root Table Array
-	 * Allocate the table array if requested
+	 * Setup the Root Table Array and allocate the table array
+	 * if requested
 	 */
 	if (!initial_table_array) {
 		status = acpi_allocate_root_table(initial_table_count);

@@ -305,9 +305,10 @@ ACPI_EXPORT_SYMBOL(acpi_unload_table_id)
  *              instance            - Which instance (for SSDTs)
  *              out_table           - Where the pointer to the table is returned
  *
- * RETURN:      Status and pointer to table
+ * RETURN:      Status and pointer to the requested table
  *
- * DESCRIPTION: Finds and verifies an ACPI table.
+ * DESCRIPTION: Finds and verifies an ACPI table. Table must be in the
+ *              RSDT/XSDT.
  *
  ******************************************************************************/
 acpi_status

@@ -375,9 +376,10 @@ ACPI_EXPORT_SYMBOL(acpi_get_table)
  * PARAMETERS:  table_index         - Table index
  *              table               - Where the pointer to the table is returned
  *
- * RETURN:      Status and pointer to the table
+ * RETURN:      Status and pointer to the requested table
  *
- * DESCRIPTION: Obtain a table by an index into the global table list.
+ * DESCRIPTION: Obtain a table by an index into the global table list. Used
+ *              internally also.
  *
  ******************************************************************************/
 acpi_status

@@ -432,7 +434,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_table_by_index)
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Install table event handler
+ * DESCRIPTION: Install a global table event handler.
  *
  ******************************************************************************/
 acpi_status

@@ -479,7 +481,7 @@ ACPI_EXPORT_SYMBOL(acpi_install_table_handler)
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Remove table event handler
+ * DESCRIPTION: Remove a table event handler
  *
  ******************************************************************************/
 acpi_status acpi_remove_table_handler(acpi_table_handler handler)

index 02219ff..83cd45f 100644
@@ -258,7 +258,7 @@ u32 acpi_ev_fixed_event_detect(void)
  * DESCRIPTION: Clears the status bit for the requested event, calls the
  *              handler that previously registered for the event.
  *              NOTE: If there is no handler for the event, the event is
- *              disabled to prevent futher interrupts.
+ *              disabled to prevent further interrupts.
  *
  ******************************************************************************/
 

index 74181bf..33b00d2 100644
@@ -559,8 +559,12 @@ static void acpi_tb_validate_fadt(void)
 		/*
 		 * For each extended field, check for length mismatch between the
 		 * legacy length field and the corresponding 64-bit X length field.
+		 * Note: If the legacy length field is > 0xFF bits, ignore this
+		 * check. (GPE registers can be larger than the 64-bit GAS structure
+		 * can accomodate, 0xFF bits).
 		 */
 		if (address64->address &&
+		    (ACPI_MUL_8(length) <= ACPI_UINT8_MAX) &&
 		    (address64->bit_width != ACPI_MUL_8(length))) {
 			ACPI_BIOS_WARNING((AE_INFO,
 					   "32/64X length mismatch in FADT/%s: %u/%u",

index 44f8325..e2199a9 100644
@@ -693,7 +693,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
 		default:
 
 			ACPI_ERROR((AE_INFO,
-				    "Unimplemented opcode, class=0x%X type=0x%X Opcode=-0x%X Op=%p",
+				    "Unimplemented opcode, class=0x%X type=0x%X Opcode=0x%X Op=%p",
 				    op_class, op_type, op->common.aml_opcode,
 				    op));
 

index e491e46..4a34d6d 100644
@@ -257,7 +257,7 @@ acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state)
 	union acpi_operand_object *return_desc = NULL;
 	u64 index;
 	acpi_status status = AE_OK;
-	acpi_size length;
+	acpi_size length = 0;
 
 	ACPI_FUNCTION_TRACE_STR(ex_opcode_2A_1T_1R,
 				acpi_ps_get_opcode_name(walk_state->opcode));

@@ -320,7 +320,6 @@ acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state)
 		 * NOTE: A length of zero is ok, and will create a zero-length, null
 		 *       terminated string.
 		 */
-		length = 0;
 		while ((length < operand[0]->buffer.length) &&
 		       (length < operand[1]->integer.value) &&
 		       (operand[0]->buffer.pointer[length])) {

@@ -376,6 +375,7 @@ acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state)
 		case ACPI_TYPE_STRING:
 
 			if (index >= operand[0]->string.length) {
+				length = operand[0]->string.length;
 				status = AE_AML_STRING_LIMIT;
 			}
 

@@ -386,6 +386,7 @@ acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state)
 		case ACPI_TYPE_BUFFER:
 
 			if (index >= operand[0]->buffer.length) {
+				length = operand[0]->buffer.length;
 				status = AE_AML_BUFFER_LIMIT;
 			}
 

@@ -396,6 +397,7 @@ acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state)
 		case ACPI_TYPE_PACKAGE:
 
 			if (index >= operand[0]->package.count) {
+				length = operand[0]->package.count;
 				status = AE_AML_PACKAGE_LIMIT;
 			}
 

@@ -414,8 +416,8 @@ acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state)
 
 		if (ACPI_FAILURE(status)) {
 			ACPI_EXCEPTION((AE_INFO, status,
-					"Index (0x%8.8X%8.8X) is beyond end of object",
-					ACPI_FORMAT_UINT64(index)));
+					"Index (0x%X%8.8X) is beyond end of object (length 0x%X)",
+					ACPI_FORMAT_UINT64(index), length));
 			goto cleanup;
 		}
 

index bbeb961..202f4f1 100644
@@ -113,9 +113,10 @@ struct acpi_pkg_info {
 	u32 num_packages;
 };
 
+/* Object reference counts */
+
 #define REF_INCREMENT       (u16) 0
 #define REF_DECREMENT       (u16) 1
-#define REF_FORCE_DELETE    (u16) 2
 
 /* acpi_ut_dump_buffer */
 

index 2541de4..fc11ad1 100644
@@ -424,17 +424,6 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
 		}
 		break;
 
-	case REF_FORCE_DELETE:
-
-		ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
-				  "Obj %p Refs=%X, Force delete! (Set to 0)\n",
-				  object, count));
-
-		new_count = 0;
-		object->common.reference_count = new_count;
-		acpi_ut_delete_internal_obj(object);
-		break;
-
 	default:
 
 		ACPI_ERROR((AE_INFO, "Unknown action (0x%X)", action));

@@ -458,8 +447,7 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
  *
  * PARAMETERS:  object              - Increment ref count for this object
  *                                    and all sub-objects
- *              action              - Either REF_INCREMENT or REF_DECREMENT or
- *                                    REF_FORCE_DELETE
+ *              action              - Either REF_INCREMENT or REF_DECREMENT
  *
  * RETURN:      Status
  *

index 4a34d6d..b0838a4 100644
@@ -417,7 +417,8 @@ acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state)
 		if (ACPI_FAILURE(status)) {
 			ACPI_EXCEPTION((AE_INFO, status,
 					"Index (0x%X%8.8X) is beyond end of object (length 0x%X)",
-					ACPI_FORMAT_UINT64(index), length));
+					ACPI_FORMAT_UINT64(index),
+					(u32)length));
 			goto cleanup;
 		}
 

index 7aa231b..454881e 100644
@@ -46,7 +46,7 @@
 
 /* Current ACPICA subsystem version in YYYYMMDD format */
 
-#define ACPI_CA_VERSION                 0x20130214
+#define ACPI_CA_VERSION                 0x20130328
 
 #include <acpi/acconfig.h>
 #include <acpi/actypes.h>

index 833fbc5..0716092 100644
@@ -224,6 +224,7 @@ ACPI_EXTERN u8 acpi_gbl_global_lock_pending;
  */
 ACPI_EXTERN acpi_spinlock acpi_gbl_gpe_lock;	/* For GPE data structs and registers */
 ACPI_EXTERN acpi_spinlock acpi_gbl_hardware_lock;	/* For ACPI H/W except GPE registers */
+ACPI_EXTERN acpi_spinlock acpi_gbl_reference_count_lock;
 
 /* Mutex for _OSI support */
 

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index 22feb99..08c3232 100644
@@ -81,7 +81,7 @@ acpi_status acpi_ut_mutex_initialize(void)
 		}
 	}
 
-	/* Create the spinlocks for use at interrupt level */
+	/* Create the spinlocks for use at interrupt level or for speed */
 
 	status = acpi_os_create_lock (&acpi_gbl_gpe_lock);
 	if (ACPI_FAILURE (status)) {

@@ -93,7 +93,13 @@ acpi_status acpi_ut_mutex_initialize(void)
 		return_ACPI_STATUS (status);
 	}
 
+	status = acpi_os_create_lock(&acpi_gbl_reference_count_lock);
+	if (ACPI_FAILURE(status)) {
+		return_ACPI_STATUS(status);
+	}
+
 	/* Mutex for _OSI support */
+
 	status = acpi_os_create_mutex(&acpi_gbl_osi_mutex);
 	if (ACPI_FAILURE(status)) {
 		return_ACPI_STATUS(status);

@@ -136,6 +142,7 @@ void acpi_ut_mutex_terminate(void)
 
 	acpi_os_delete_lock(acpi_gbl_gpe_lock);
 	acpi_os_delete_lock(acpi_gbl_hardware_lock);
+	acpi_os_delete_lock(acpi_gbl_reference_count_lock);
 
 	/* Delete the reader/writer lock */