diff options
Diffstat (limited to 'drivers/acpi/dispatcher')
-rw-r--r-- | drivers/acpi/dispatcher/dsfield.c | 13 | ||||
-rw-r--r-- | drivers/acpi/dispatcher/dsinit.c | 6 | ||||
-rw-r--r-- | drivers/acpi/dispatcher/dsmethod.c | 232 | ||||
-rw-r--r-- | drivers/acpi/dispatcher/dsmthdat.c | 43 | ||||
-rw-r--r-- | drivers/acpi/dispatcher/dsobject.c | 25 | ||||
-rw-r--r-- | drivers/acpi/dispatcher/dsopcode.c | 63 | ||||
-rw-r--r-- | drivers/acpi/dispatcher/dsutils.c | 25 | ||||
-rw-r--r-- | drivers/acpi/dispatcher/dswexec.c | 26 | ||||
-rw-r--r-- | drivers/acpi/dispatcher/dswload.c | 67 | ||||
-rw-r--r-- | drivers/acpi/dispatcher/dswscope.c | 10 | ||||
-rw-r--r-- | drivers/acpi/dispatcher/dswstate.c | 72 |
11 files changed, 361 insertions, 221 deletions
diff --git a/drivers/acpi/dispatcher/dsfield.c b/drivers/acpi/dispatcher/dsfield.c index 76bc0463f6de..a6d77efb41a0 100644 --- a/drivers/acpi/dispatcher/dsfield.c +++ b/drivers/acpi/dispatcher/dsfield.c @@ -87,7 +87,7 @@ acpi_ds_create_buffer_field(union acpi_parse_object *op, union acpi_operand_object *second_desc = NULL; u32 flags; - ACPI_FUNCTION_TRACE("ds_create_buffer_field"); + ACPI_FUNCTION_TRACE(ds_create_buffer_field); /* Get the name_string argument */ @@ -210,7 +210,7 @@ acpi_ds_get_field_names(struct acpi_create_field_info *info, acpi_status status; acpi_integer position; - ACPI_FUNCTION_TRACE_PTR("ds_get_field_names", info); + ACPI_FUNCTION_TRACE_PTR(ds_get_field_names, info); /* First field starts at bit zero */ @@ -342,7 +342,7 @@ acpi_ds_create_field(union acpi_parse_object *op, union acpi_parse_object *arg; struct acpi_create_field_info info; - ACPI_FUNCTION_TRACE_PTR("ds_create_field", op); + ACPI_FUNCTION_TRACE_PTR(ds_create_field, op); /* First arg is the name of the parent op_region (must already exist) */ @@ -399,7 +399,7 @@ acpi_ds_init_field_objects(union acpi_parse_object *op, struct acpi_namespace_node *node; u8 type = 0; - ACPI_FUNCTION_TRACE_PTR("ds_init_field_objects", op); + ACPI_FUNCTION_TRACE_PTR(ds_init_field_objects, op); switch (walk_state->opcode) { case AML_FIELD_OP: @@ -425,6 +425,7 @@ acpi_ds_init_field_objects(union acpi_parse_object *op, * Walk the list of entries in the field_list */ while (arg) { + /* Ignore OFFSET and ACCESSAS terms here */ if (arg->common.aml_opcode == AML_INT_NAMEDFIELD_OP) { @@ -481,7 +482,7 @@ acpi_ds_create_bank_field(union acpi_parse_object *op, union acpi_parse_object *arg; struct acpi_create_field_info info; - ACPI_FUNCTION_TRACE_PTR("ds_create_bank_field", op); + ACPI_FUNCTION_TRACE_PTR(ds_create_bank_field, op); /* First arg is the name of the parent op_region (must already exist) */ @@ -554,7 +555,7 @@ acpi_ds_create_index_field(union acpi_parse_object *op, union acpi_parse_object *arg; struct acpi_create_field_info info; - ACPI_FUNCTION_TRACE_PTR("ds_create_index_field", op); + ACPI_FUNCTION_TRACE_PTR(ds_create_index_field, op); /* First arg is the name of the Index register (must already exist) */ diff --git a/drivers/acpi/dispatcher/dsinit.c b/drivers/acpi/dispatcher/dsinit.c index e65a07ad2422..bbdf990e9f65 100644 --- a/drivers/acpi/dispatcher/dsinit.c +++ b/drivers/acpi/dispatcher/dsinit.c @@ -184,7 +184,7 @@ acpi_ds_init_one_object(acpi_handle obj_handle, * * RETURN: Status * - * DESCRIPTION: Walk the namespace starting at "start_node" and perform any + * DESCRIPTION: Walk the namespace starting at "StartNode" and perform any * necessary initialization on the objects found therein * ******************************************************************************/ @@ -196,7 +196,7 @@ acpi_ds_initialize_objects(struct acpi_table_desc * table_desc, acpi_status status; struct acpi_init_walk_info info; - ACPI_FUNCTION_TRACE("ds_initialize_objects"); + ACPI_FUNCTION_TRACE(ds_initialize_objects); ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "**** Starting initialization of namespace objects ****\n")); @@ -213,7 +213,7 @@ acpi_ds_initialize_objects(struct acpi_table_desc * table_desc, status = acpi_walk_namespace(ACPI_TYPE_ANY, start_node, ACPI_UINT32_MAX, acpi_ds_init_one_object, &info, NULL); if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, "During walk_namespace")); + ACPI_EXCEPTION((AE_INFO, status, "During WalkNamespace")); } ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c index c475546535b6..bc9aca4e7401 100644 --- a/drivers/acpi/dispatcher/dsmethod.c +++ b/drivers/acpi/dispatcher/dsmethod.c @@ -81,6 +81,7 @@ acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state) /* Invoke the global exception handler */ if (acpi_gbl_exception_handler) { + /* Exit the interpreter, allow handler to execute methods */ acpi_ex_exit_interpreter(); @@ -100,6 +101,7 @@ acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state) } #ifdef ACPI_DISASSEMBLER if (ACPI_FAILURE(status)) { + /* Display method locals/args if disassembler is present */ acpi_dm_dump_method_info(status, walk_state, walk_state->op); @@ -132,7 +134,7 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node * method_node, { acpi_status status = AE_OK; - ACPI_FUNCTION_TRACE_PTR("ds_begin_method_execution", method_node); + ACPI_FUNCTION_TRACE_PTR(ds_begin_method_execution, method_node); if (!method_node) { return_ACPI_STATUS(AE_NULL_ENTRY); @@ -168,11 +170,14 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node * method_node, /* * Get a unit from the method semaphore. This releases the - * interpreter if we block + * interpreter if we block (then reacquires it) */ status = acpi_ex_system_wait_semaphore(obj_desc->method.semaphore, ACPI_WAIT_FOREVER); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } } /* @@ -183,7 +188,7 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node * method_node, if (!obj_desc->method.owner_id) { status = acpi_ut_allocate_owner_id(&obj_desc->method.owner_id); if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + goto cleanup; } } @@ -193,6 +198,14 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node * method_node, */ obj_desc->method.thread_count++; return_ACPI_STATUS(status); + + cleanup: + /* On error, must signal the method semaphore if present */ + + if (obj_desc->method.semaphore) { + (void)acpi_os_signal_semaphore(obj_desc->method.semaphore, 1); + } + return_ACPI_STATUS(status); } /******************************************************************************* @@ -218,10 +231,10 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, struct acpi_namespace_node *method_node; struct acpi_walk_state *next_walk_state = NULL; union acpi_operand_object *obj_desc; - struct acpi_parameter_info info; + struct acpi_evaluate_info *info; u32 i; - ACPI_FUNCTION_TRACE_PTR("ds_call_control_method", this_walk_state); + ACPI_FUNCTION_TRACE_PTR(ds_call_control_method, this_walk_state); ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Execute method %p, currentstate=%p\n", @@ -240,25 +253,31 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, return_ACPI_STATUS(AE_NULL_OBJECT); } - /* Init for new method, wait on concurrency semaphore */ + /* Init for new method, possibly wait on concurrency semaphore */ status = acpi_ds_begin_method_execution(method_node, obj_desc, this_walk_state->method_node); if (ACPI_FAILURE(status)) { - goto cleanup; + return_ACPI_STATUS(status); } + /* + * 1) Parse the method. All "normal" methods are parsed for each execution. + * Internal methods (_OSI, etc.) do not require parsing. + */ if (!(obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY)) { - /* 1) Parse: Create a new walk state for the preempting walk */ + + /* Create a new walk state for the parse */ next_walk_state = acpi_ds_create_walk_state(obj_desc->method.owner_id, op, obj_desc, NULL); if (!next_walk_state) { - return_ACPI_STATUS(AE_NO_MEMORY); + status = AE_NO_MEMORY; + goto cleanup; } - /* Create and init a Root Node */ + /* Create and init a parse tree root */ op = acpi_ps_create_scope_op(); if (!op) { @@ -271,17 +290,20 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, obj_desc->method.aml_length, NULL, 1); if (ACPI_FAILURE(status)) { - acpi_ds_delete_walk_state(next_walk_state); + acpi_ps_delete_parse_tree(op); goto cleanup; } - /* Begin AML parse */ + /* Begin AML parse (deletes next_walk_state) */ status = acpi_ps_parse_aml(next_walk_state); acpi_ps_delete_parse_tree(op); + if (ACPI_FAILURE(status)) { + goto cleanup; + } } - /* 2) Execute: Create a new state for the preempting walk */ + /* 2) Begin method execution. Create a new walk state */ next_walk_state = acpi_ds_create_walk_state(obj_desc->method.owner_id, NULL, obj_desc, thread); @@ -289,6 +311,7 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, status = AE_NO_MEMORY; goto cleanup; } + /* * The resolved arguments were put on the previous walk state's operand * stack. Operands on the previous walk state stack always @@ -296,12 +319,24 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, */ this_walk_state->operands[this_walk_state->num_operands] = NULL; - info.parameters = &this_walk_state->operands[0]; - info.parameter_type = ACPI_PARAM_ARGS; + /* + * Allocate and initialize the evaluation information block + * TBD: this is somewhat inefficient, should change interface to + * ds_init_aml_walk. For now, keeps this struct off the CPU stack + */ + info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info)); + if (!info) { + return_ACPI_STATUS(AE_NO_MEMORY); + } + + info->parameters = &this_walk_state->operands[0]; + info->parameter_type = ACPI_PARAM_ARGS; status = acpi_ds_init_aml_walk(next_walk_state, NULL, method_node, obj_desc->method.aml_start, - obj_desc->method.aml_length, &info, 3); + obj_desc->method.aml_length, info, 3); + + ACPI_FREE(info); if (ACPI_FAILURE(status)) { goto cleanup; } @@ -323,6 +358,8 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, "Starting nested execution, newstate=%p\n", next_walk_state)); + /* Invoke an internal method if necessary */ + if (obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY) { status = obj_desc->method.implementation(next_walk_state); } @@ -330,16 +367,14 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, return_ACPI_STATUS(status); cleanup: - /* Decrement the thread count on the method parse tree */ - if (next_walk_state && (next_walk_state->method_desc)) { - next_walk_state->method_desc->method.thread_count--; - } + /* On error, we must terminate the method properly */ - /* On error, we must delete the new walk state */ + acpi_ds_terminate_control_method(obj_desc, next_walk_state); + if (next_walk_state) { + acpi_ds_delete_walk_state(next_walk_state); + } - acpi_ds_terminate_control_method(next_walk_state); - acpi_ds_delete_walk_state(next_walk_state); return_ACPI_STATUS(status); } @@ -362,25 +397,33 @@ acpi_ds_restart_control_method(struct acpi_walk_state *walk_state, union acpi_operand_object *return_desc) { acpi_status status; + int same_as_implicit_return; - ACPI_FUNCTION_TRACE_PTR("ds_restart_control_method", walk_state); + ACPI_FUNCTION_TRACE_PTR(ds_restart_control_method, walk_state); ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, - "****Restart [%4.4s] Op %p return_value_from_callee %p\n", + "****Restart [%4.4s] Op %p ReturnValueFromCallee %p\n", (char *)&walk_state->method_node->name, walk_state->method_call_op, return_desc)); ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, - " return_from_this_method_used?=%X res_stack %p Walk %p\n", + " ReturnFromThisMethodUsed?=%X ResStack %p Walk %p\n", walk_state->return_used, walk_state->results, walk_state)); /* Did the called method return a value? */ if (return_desc) { + + /* Is the implicit return object the same as the return desc? */ + + same_as_implicit_return = + (walk_state->implicit_return_obj == return_desc); + /* Are we actually going to use the return value? */ if (walk_state->return_used) { + /* Save the return value from the previous method */ status = acpi_ds_result_push(return_desc, walk_state); @@ -397,18 +440,23 @@ acpi_ds_restart_control_method(struct acpi_walk_state *walk_state, } /* - * The following code is the - * optional support for a so-called "implicit return". Some AML code - * assumes that the last value of the method is "implicitly" returned - * to the caller. Just save the last result as the return value. + * The following code is the optional support for the so-called + * "implicit return". Some AML code assumes that the last value of the + * method is "implicitly" returned to the caller, in the absence of an + * explicit return value. + * + * Just save the last result of the method as the return value. + * * NOTE: this is optional because the ASL language does not actually * support this behavior. */ else if (!acpi_ds_do_implicit_return - (return_desc, walk_state, FALSE)) { + (return_desc, walk_state, FALSE) + || same_as_implicit_return) { /* * Delete the return value if it will not be used by the - * calling method + * calling method or remove one reference if the explicit return + * is the same as the implicit return value. */ acpi_ut_remove_reference(return_desc); } @@ -421,7 +469,8 @@ acpi_ds_restart_control_method(struct acpi_walk_state *walk_state, * * FUNCTION: acpi_ds_terminate_control_method * - * PARAMETERS: walk_state - State of the method + * PARAMETERS: method_desc - Method object + * walk_state - State associated with the method * * RETURN: None * @@ -431,95 +480,100 @@ acpi_ds_restart_control_method(struct acpi_walk_state *walk_state, * ******************************************************************************/ -void acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state) +void +acpi_ds_terminate_control_method(union acpi_operand_object *method_desc, + struct acpi_walk_state *walk_state) { - union acpi_operand_object *obj_desc; struct acpi_namespace_node *method_node; acpi_status status; - ACPI_FUNCTION_TRACE_PTR("ds_terminate_control_method", walk_state); + ACPI_FUNCTION_TRACE_PTR(ds_terminate_control_method, walk_state); - if (!walk_state) { - return_VOID; - } + /* method_desc is required, walk_state is optional */ - /* The current method object was saved in the walk state */ - - obj_desc = walk_state->method_desc; - if (!obj_desc) { + if (!method_desc) { return_VOID; } - /* Delete all arguments and locals */ + if (walk_state) { - acpi_ds_method_data_delete_all(walk_state); + /* Delete all arguments and locals */ + + acpi_ds_method_data_delete_all(walk_state); + } /* * Lock the parser while we terminate this method. * If this is the last thread executing the method, * we have additional cleanup to perform */ - status = acpi_ut_acquire_mutex(ACPI_MTX_PARSER); + status = acpi_ut_acquire_mutex(ACPI_MTX_CONTROL_METHOD); if (ACPI_FAILURE(status)) { return_VOID; } /* Signal completion of the execution of this method if necessary */ - if (walk_state->method_desc->method.semaphore) { + if (method_desc->method.semaphore) { status = - acpi_os_signal_semaphore(walk_state->method_desc->method. - semaphore, 1); + acpi_os_signal_semaphore(method_desc->method.semaphore, 1); if (ACPI_FAILURE(status)) { - ACPI_ERROR((AE_INFO, - "Could not signal method semaphore")); - /* Ignore error and continue cleanup */ + /* Ignore error and continue */ + + ACPI_EXCEPTION((AE_INFO, status, + "Could not signal method semaphore")); } } - /* - * There are no more threads executing this method. Perform - * additional cleanup. - * - * The method Node is stored in the walk state - */ - method_node = walk_state->method_node; + if (walk_state) { + /* + * Delete any objects created by this method during execution. + * The method Node is stored in the walk state + */ + method_node = walk_state->method_node; - /* Lock namespace for possible update */ + /* Lock namespace for possible update */ - status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); - if (ACPI_FAILURE(status)) { - goto exit; - } + status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE(status)) { + goto exit; + } - /* - * Delete any namespace entries created immediately underneath - * the method - */ - if (method_node->child) { - acpi_ns_delete_namespace_subtree(method_node); + /* + * Delete any namespace entries created immediately underneath + * the method + */ + if (method_node && method_node->child) { + acpi_ns_delete_namespace_subtree(method_node); + } + + /* + * Delete any namespace entries created anywhere else within + * the namespace by the execution of this method + */ + acpi_ns_delete_namespace_by_owner(method_desc->method.owner_id); + status = acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); } - /* - * Delete any namespace entries created anywhere else within - * the namespace by the execution of this method - */ - acpi_ns_delete_namespace_by_owner(walk_state->method_desc->method. - owner_id); - status = acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); + /* Decrement the thread count on the method */ + + if (method_desc->method.thread_count) { + method_desc->method.thread_count--; + } else { + ACPI_ERROR((AE_INFO, "Invalid zero thread count in method")); + } /* Are there any other threads currently executing this method? */ - if (walk_state->method_desc->method.thread_count) { + if (method_desc->method.thread_count) { /* * Additional threads. Do not release the owner_id in this case, * we immediately reuse it for the next thread executing this method */ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "*** Completed execution of one thread, %d threads remaining\n", - walk_state->method_desc->method. - thread_count)); + method_desc->method.thread_count)); } else { /* This is the only executing thread for this method */ @@ -533,22 +587,20 @@ void acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state) * This code is here because we must wait until the last thread exits * before creating the synchronization semaphore. */ - if ((walk_state->method_desc->method.concurrency == 1) && - (!walk_state->method_desc->method.semaphore)) { + if ((method_desc->method.concurrency == 1) && + (!method_desc->method.semaphore)) { status = acpi_os_create_semaphore(1, 1, - &walk_state-> - method_desc->method. + &method_desc->method. semaphore); } /* No more threads, we can free the owner_id */ - acpi_ut_release_owner_id(&walk_state->method_desc->method. - owner_id); + acpi_ut_release_owner_id(&method_desc->method.owner_id); } exit: - (void)acpi_ut_release_mutex(ACPI_MTX_PARSER); + (void)acpi_ut_release_mutex(ACPI_MTX_CONTROL_METHOD); return_VOID; } @@ -581,7 +633,7 @@ acpi_status acpi_ds_parse_method(struct acpi_namespace_node *node) union acpi_parse_object *op; struct acpi_walk_state *walk_state; - ACPI_FUNCTION_TRACE_PTR("ds_parse_method", node); + ACPI_FUNCTION_TRACE_PTR(ds_parse_method, node); /* Parameter Validation */ @@ -590,7 +642,7 @@ acpi_status acpi_ds_parse_method(struct acpi_namespace_node *node) } ACPI_DEBUG_PRINT((ACPI_DB_PARSE, - "**** Parsing [%4.4s] **** named_obj=%p\n", + "**** Parsing [%4.4s] **** NamedObj=%p\n", acpi_ut_get_node_name(node), node)); /* Extract the method object from the method Node */ @@ -669,7 +721,7 @@ acpi_status acpi_ds_parse_method(struct acpi_namespace_node *node) } ACPI_DEBUG_PRINT((ACPI_DB_PARSE, - "**** [%4.4s] Parsed **** named_obj=%p Op=%p\n", + "**** [%4.4s] Parsed **** NamedObj=%p Op=%p\n", acpi_ut_get_node_name(node), node, op)); /* diff --git a/drivers/acpi/dispatcher/dsmthdat.c b/drivers/acpi/dispatcher/dsmthdat.c index c025674f938b..459160ff9058 100644 --- a/drivers/acpi/dispatcher/dsmthdat.c +++ b/drivers/acpi/dispatcher/dsmthdat.c @@ -81,7 +81,7 @@ acpi_ds_method_data_get_type(u16 opcode, * special data types. * * NOTES: walk_state fields are initialized to zero by the - * ACPI_MEM_CALLOCATE(). + * ACPI_ALLOCATE_ZEROED(). * * A pseudo-Namespace Node is assigned to each argument and local * so that ref_of() can return a pointer to the Node. @@ -92,7 +92,7 @@ void acpi_ds_method_data_init(struct acpi_walk_state *walk_state) { u32 i; - ACPI_FUNCTION_TRACE("ds_method_data_init"); + ACPI_FUNCTION_TRACE(ds_method_data_init); /* Init the method arguments */ @@ -100,10 +100,10 @@ void acpi_ds_method_data_init(struct acpi_walk_state *walk_state) ACPI_MOVE_32_TO_32(&walk_state->arguments[i].name, NAMEOF_ARG_NTE); walk_state->arguments[i].name.integer |= (i << 24); - walk_state->arguments[i].descriptor = ACPI_DESC_TYPE_NAMED; + walk_state->arguments[i].descriptor_type = ACPI_DESC_TYPE_NAMED; walk_state->arguments[i].type = ACPI_TYPE_ANY; - walk_state->arguments[i].flags = ANOBJ_END_OF_PEER_LIST | - ANOBJ_METHOD_ARG; + walk_state->arguments[i].flags = + ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_ARG; } /* Init the method locals */ @@ -113,11 +113,11 @@ void acpi_ds_method_data_init(struct acpi_walk_state *walk_state) NAMEOF_LOCAL_NTE); walk_state->local_variables[i].name.integer |= (i << 24); - walk_state->local_variables[i].descriptor = + walk_state->local_variables[i].descriptor_type = ACPI_DESC_TYPE_NAMED; walk_state->local_variables[i].type = ACPI_TYPE_ANY; - walk_state->local_variables[i].flags = ANOBJ_END_OF_PEER_LIST | - ANOBJ_METHOD_LOCAL; + walk_state->local_variables[i].flags = + ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_LOCAL; } return_VOID; @@ -140,7 +140,7 @@ void acpi_ds_method_data_delete_all(struct acpi_walk_state *walk_state) { u32 index; - ACPI_FUNCTION_TRACE("ds_method_data_delete_all"); + ACPI_FUNCTION_TRACE(ds_method_data_delete_all); /* Detach the locals */ @@ -199,7 +199,7 @@ acpi_ds_method_data_init_args(union acpi_operand_object **params, acpi_status status; u32 index = 0; - ACPI_FUNCTION_TRACE_PTR("ds_method_data_init_args", params); + ACPI_FUNCTION_TRACE_PTR(ds_method_data_init_args, params); if (!params) { ACPI_DEBUG_PRINT((ACPI_DB_EXEC, @@ -251,7 +251,7 @@ acpi_ds_method_data_get_node(u16 opcode, struct acpi_walk_state *walk_state, struct acpi_namespace_node **node) { - ACPI_FUNCTION_TRACE("ds_method_data_get_node"); + ACPI_FUNCTION_TRACE(ds_method_data_get_node); /* * Method Locals and Arguments are supported @@ -318,10 +318,10 @@ acpi_ds_method_data_set_value(u16 opcode, acpi_status status; struct acpi_namespace_node *node; - ACPI_FUNCTION_TRACE("ds_method_data_set_value"); + ACPI_FUNCTION_TRACE(ds_method_data_set_value); ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "new_obj %p Opcode %X, Refs=%d [%s]\n", object, + "NewObj %p Opcode %X, Refs=%d [%s]\n", object, opcode, object->common.reference_count, acpi_ut_get_type_name(object->common.type))); @@ -336,7 +336,7 @@ acpi_ds_method_data_set_value(u16 opcode, * Increment ref count so object can't be deleted while installed. * NOTE: We do not copy the object in order to preserve the call by * reference semantics of ACPI Control Method invocation. - * (See ACPI specification 2.0_c) + * (See ACPI Specification 2.0_c) */ acpi_ut_add_reference(object); @@ -351,7 +351,7 @@ acpi_ds_method_data_set_value(u16 opcode, * FUNCTION: acpi_ds_method_data_get_value * * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP - * Index - which local_var or argument to get + * Index - Which local_var or argument to get * walk_state - Current walk state object * dest_desc - Where Arg or Local value is returned * @@ -372,7 +372,7 @@ acpi_ds_method_data_get_value(u16 opcode, struct acpi_namespace_node *node; union acpi_operand_object *object; - ACPI_FUNCTION_TRACE("ds_method_data_get_value"); + ACPI_FUNCTION_TRACE(ds_method_data_get_value); /* Validate the object descriptor */ @@ -459,7 +459,7 @@ acpi_ds_method_data_get_value(u16 opcode, * FUNCTION: acpi_ds_method_data_delete_value * * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP - * Index - which local_var or argument to delete + * Index - Which local_var or argument to delete * walk_state - Current walk state object * * RETURN: None @@ -477,7 +477,7 @@ acpi_ds_method_data_delete_value(u16 opcode, struct acpi_namespace_node *node; union acpi_operand_object *object; - ACPI_FUNCTION_TRACE("ds_method_data_delete_value"); + ACPI_FUNCTION_TRACE(ds_method_data_delete_value); /* Get the namespace node for the arg/local */ @@ -538,7 +538,7 @@ acpi_ds_store_object_to_local(u16 opcode, union acpi_operand_object *current_obj_desc; union acpi_operand_object *new_obj_desc; - ACPI_FUNCTION_TRACE("ds_store_object_to_local"); + ACPI_FUNCTION_TRACE(ds_store_object_to_local); ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Opcode=%X Index=%d Obj=%p\n", opcode, index, obj_desc)); @@ -614,7 +614,7 @@ acpi_ds_store_object_to_local(u16 opcode, && (current_obj_desc->reference.opcode == AML_REF_OF_OP)) { ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "Arg (%p) is an obj_ref(Node), storing in node %p\n", + "Arg (%p) is an ObjRef(Node), storing in node %p\n", new_obj_desc, current_obj_desc)); @@ -688,7 +688,7 @@ acpi_ds_method_data_get_type(u16 opcode, struct acpi_namespace_node *node; union acpi_operand_object *object; - ACPI_FUNCTION_TRACE("ds_method_data_get_type"); + ACPI_FUNCTION_TRACE(ds_method_data_get_type); /* Get the namespace node for the arg/local */ @@ -701,6 +701,7 @@ acpi_ds_method_data_get_type(u16 opcode, object = acpi_ns_get_attached_object(node); if (!object) { + /* Uninitialized local/arg, return TYPE_ANY */ return_VALUE(ACPI_TYPE_ANY); diff --git a/drivers/acpi/dispatcher/dsobject.c b/drivers/acpi/dispatcher/dsobject.c index 8b21f0f9e517..72190abb1d59 100644 --- a/drivers/acpi/dispatcher/dsobject.c +++ b/drivers/acpi/dispatcher/dsobject.c @@ -81,7 +81,7 @@ acpi_ds_build_internal_object(struct acpi_walk_state *walk_state, union acpi_operand_object *obj_desc; acpi_status status; - ACPI_FUNCTION_TRACE("ds_build_internal_object"); + ACPI_FUNCTION_TRACE(ds_build_internal_object); *obj_desc_ptr = NULL; if (op->common.aml_opcode == AML_INT_NAMEPATH_OP) { @@ -103,6 +103,7 @@ acpi_ds_build_internal_object(struct acpi_walk_state *walk_state, common. node))); if (ACPI_FAILURE(status)) { + /* Check if we are resolving a named reference within a package */ if ((status == AE_NOT_FOUND) @@ -186,7 +187,7 @@ acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state, union acpi_parse_object *byte_list; u32 byte_list_length = 0; - ACPI_FUNCTION_TRACE("ds_build_internal_buffer_obj"); + ACPI_FUNCTION_TRACE(ds_build_internal_buffer_obj); /* * If we are evaluating a Named buffer object "Name (xxxx, Buffer)". @@ -195,6 +196,7 @@ acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state, */ obj_desc = *obj_desc_ptr; if (!obj_desc) { + /* Create a new buffer object */ obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_BUFFER); @@ -243,7 +245,7 @@ acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state, "Buffer defined with zero length in AML, creating\n")); } else { obj_desc->buffer.pointer = - ACPI_MEM_CALLOCATE(obj_desc->buffer.length); + ACPI_ALLOCATE_ZEROED(obj_desc->buffer.length); if (!obj_desc->buffer.pointer) { acpi_ut_delete_object_desc(obj_desc); return_ACPI_STATUS(AE_NO_MEMORY); @@ -291,7 +293,7 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state, acpi_status status = AE_OK; acpi_native_uint i; - ACPI_FUNCTION_TRACE("ds_build_internal_package_obj"); + ACPI_FUNCTION_TRACE(ds_build_internal_package_obj); /* Find the parent of a possibly nested package */ @@ -339,9 +341,10 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state, * individual objects). Add an extra pointer slot so * that the list is always null terminated. */ - obj_desc->package.elements = ACPI_MEM_CALLOCATE(((acpi_size) obj_desc-> - package.count + - 1) * sizeof(void *)); + obj_desc->package.elements = ACPI_ALLOCATE_ZEROED(((acpi_size) + obj_desc->package. + count + + 1) * sizeof(void *)); if (!obj_desc->package.elements) { acpi_ut_delete_object_desc(obj_desc); @@ -355,6 +358,7 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state, arg = arg->common.next; for (i = 0; arg; i++) { if (arg->common.aml_opcode == AML_INT_RETURN_VALUE_OP) { + /* Object (package or buffer) is already built */ obj_desc->package.elements[i] = @@ -396,7 +400,7 @@ acpi_ds_create_node(struct acpi_walk_state *walk_state, acpi_status status; union acpi_operand_object *obj_desc; - ACPI_FUNCTION_TRACE_PTR("ds_create_node", op); + ACPI_FUNCTION_TRACE_PTR(ds_create_node, op); /* * Because of the execution pass through the non-control-method @@ -408,6 +412,7 @@ acpi_ds_create_node(struct acpi_walk_state *walk_state, } if (!op->common.value.arg) { + /* No arguments, there is nothing to do */ return_ACPI_STATUS(AE_OK); @@ -464,11 +469,12 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state, union acpi_operand_object *obj_desc; acpi_status status = AE_OK; - ACPI_FUNCTION_TRACE("ds_init_object_from_op"); + ACPI_FUNCTION_TRACE(ds_init_object_from_op); obj_desc = *ret_obj_desc; op_info = acpi_ps_get_opcode_info(opcode); if (op_info->class == AML_CLASS_UNKNOWN) { + /* Unknown opcode */ return_ACPI_STATUS(AE_TYPE); @@ -626,6 +632,7 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state, default: /* Other literals, etc.. */ if (op->common.aml_opcode == AML_INT_NAMEPATH_OP) { + /* Node was saved in Op */ obj_desc->reference.node = op->common.node; diff --git a/drivers/acpi/dispatcher/dsopcode.c b/drivers/acpi/dispatcher/dsopcode.c index 6229c10674e1..5b974a8fe614 100644 --- a/drivers/acpi/dispatcher/dsopcode.c +++ b/drivers/acpi/dispatcher/dsopcode.c @@ -91,7 +91,7 @@ acpi_ds_execute_arguments(struct acpi_namespace_node *node, union acpi_parse_object *op; struct acpi_walk_state *walk_state; - ACPI_FUNCTION_TRACE("ds_execute_arguments"); + ACPI_FUNCTION_TRACE(ds_execute_arguments); /* * Allocate a new parser op to be the root of the parsed tree @@ -193,7 +193,7 @@ acpi_ds_get_buffer_field_arguments(union acpi_operand_object *obj_desc) struct acpi_namespace_node *node; acpi_status status; - ACPI_FUNCTION_TRACE_PTR("ds_get_buffer_field_arguments", obj_desc); + ACPI_FUNCTION_TRACE_PTR(ds_get_buffer_field_arguments, obj_desc); if (obj_desc->common.flags & AOPOBJ_DATA_VALID) { return_ACPI_STATUS(AE_OK); @@ -206,7 +206,7 @@ acpi_ds_get_buffer_field_arguments(union acpi_operand_object *obj_desc) ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname (ACPI_TYPE_BUFFER_FIELD, node, NULL)); - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "[%4.4s] buffer_field Arg Init\n", + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "[%4.4s] BufferField Arg Init\n", acpi_ut_get_node_name(node))); /* Execute the AML code for the term_arg arguments */ @@ -235,7 +235,7 @@ acpi_status acpi_ds_get_buffer_arguments(union acpi_operand_object *obj_desc) struct acpi_namespace_node *node; acpi_status status; - ACPI_FUNCTION_TRACE_PTR("ds_get_buffer_arguments", obj_desc); + ACPI_FUNCTION_TRACE_PTR(ds_get_buffer_arguments, obj_desc); if (obj_desc->common.flags & AOPOBJ_DATA_VALID) { return_ACPI_STATUS(AE_OK); @@ -279,7 +279,7 @@ acpi_status acpi_ds_get_package_arguments(union acpi_operand_object *obj_desc) struct acpi_namespace_node *node; acpi_status status; - ACPI_FUNCTION_TRACE_PTR("ds_get_package_arguments", obj_desc); + ACPI_FUNCTION_TRACE_PTR(ds_get_package_arguments, obj_desc); if (obj_desc->common.flags & AOPOBJ_DATA_VALID) { return_ACPI_STATUS(AE_OK); @@ -324,7 +324,7 @@ acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *obj_desc) acpi_status status; union acpi_operand_object *extra_desc; - ACPI_FUNCTION_TRACE_PTR("ds_get_region_arguments", obj_desc); + ACPI_FUNCTION_TRACE_PTR(ds_get_region_arguments, obj_desc); if (obj_desc->region.flags & AOPOBJ_DATA_VALID) { return_ACPI_STATUS(AE_OK); @@ -342,8 +342,7 @@ acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *obj_desc) ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname (ACPI_TYPE_REGION, node, NULL)); - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "[%4.4s] op_region Arg Init at AML %p\n", + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "[%4.4s] OpRegion Arg Init at AML %p\n", acpi_ut_get_node_name(node), extra_desc->extra.aml_start)); @@ -352,6 +351,28 @@ acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *obj_desc) status = acpi_ds_execute_arguments(node, acpi_ns_get_parent_node(node), extra_desc->extra.aml_length, extra_desc->extra.aml_start); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + /* Validate the region address/length via the host OS */ + + status = acpi_os_validate_address(obj_desc->region.space_id, + obj_desc->region.address, + (acpi_size) obj_desc->region.length); + if (ACPI_FAILURE(status)) { + /* + * Invalid address/length. We will emit an error message and mark + * the region as invalid, so that it will cause an additional error if + * it is ever used. Then return AE_OK. + */ + ACPI_EXCEPTION((AE_INFO, status, + "During address validation of OpRegion [%4.4s]", + node->name.ascii)); + obj_desc->common.flags |= AOPOBJ_INVALID; + status = AE_OK; + } + return_ACPI_STATUS(status); } @@ -411,7 +432,7 @@ acpi_ds_init_buffer_field(u16 aml_opcode, u8 field_flags; acpi_status status; - ACPI_FUNCTION_TRACE_PTR("ds_init_buffer_field", obj_desc); + ACPI_FUNCTION_TRACE_PTR(ds_init_buffer_field, obj_desc); /* Host object must be a Buffer */ @@ -457,7 +478,7 @@ acpi_ds_init_buffer_field(u16 aml_opcode, if (bit_count == 0) { ACPI_ERROR((AE_INFO, - "Attempt to create_field of length zero")); + "Attempt to CreateField of length zero")); status = AE_AML_OPERAND_VALUE; goto cleanup; } @@ -595,7 +616,7 @@ acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state, struct acpi_namespace_node *node; union acpi_parse_object *next_op; - ACPI_FUNCTION_TRACE_PTR("ds_eval_buffer_field_operands", op); + ACPI_FUNCTION_TRACE_PTR(ds_eval_buffer_field_operands, op); /* * This is where we evaluate the address and length fields of the @@ -627,7 +648,7 @@ acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state, ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE, acpi_ps_get_opcode_name(op->common.aml_opcode), walk_state->num_operands, - "after acpi_ex_resolve_operands"); + "after AcpiExResolveOperands"); if (ACPI_FAILURE(status)) { ACPI_ERROR((AE_INFO, "(%s) bad operand(s) (%X)", @@ -640,6 +661,7 @@ acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state, /* Initialize the Buffer Field */ if (op->common.aml_opcode == AML_CREATE_FIELD_OP) { + /* NOTE: Slightly different operands for this opcode */ status = @@ -685,7 +707,7 @@ acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state, struct acpi_namespace_node *node; union acpi_parse_object *next_op; - ACPI_FUNCTION_TRACE_PTR("ds_eval_region_operands", op); + ACPI_FUNCTION_TRACE_PTR(ds_eval_region_operands, op); /* * This is where we evaluate the address and length fields of the @@ -718,7 +740,7 @@ acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state, ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE, acpi_ps_get_opcode_name(op->common.aml_opcode), - 1, "after acpi_ex_resolve_operands"); + 1, "after AcpiExResolveOperands"); obj_desc = acpi_ns_get_attached_object(node); if (!obj_desc) { @@ -744,7 +766,7 @@ acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state, operand_desc->integer.value; acpi_ut_remove_reference(operand_desc); - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "rgn_obj %p Addr %8.8X%8.8X Len %X\n", + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "RgnObj %p Addr %8.8X%8.8X Len %X\n", obj_desc, ACPI_FORMAT_UINT64(obj_desc->region.address), obj_desc->region.length)); @@ -780,7 +802,7 @@ acpi_ds_eval_data_object_operands(struct acpi_walk_state *walk_state, union acpi_operand_object *arg_desc; u32 length; - ACPI_FUNCTION_TRACE("ds_eval_data_object_operands"); + ACPI_FUNCTION_TRACE(ds_eval_data_object_operands); /* The first operand (for all of these data objects) is the length */ @@ -874,7 +896,7 @@ acpi_ds_exec_begin_control_op(struct acpi_walk_state *walk_state, acpi_status status = AE_OK; union acpi_generic_state *control_state; - ACPI_FUNCTION_NAME("ds_exec_begin_control_op"); + ACPI_FUNCTION_NAME(ds_exec_begin_control_op); ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p Opcode=%2.2X State=%p\n", op, op->common.aml_opcode, walk_state)); @@ -952,7 +974,7 @@ acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state, acpi_status status = AE_OK; union acpi_generic_state *control_state; - ACPI_FUNCTION_NAME("ds_exec_end_control_op"); + ACPI_FUNCTION_NAME(ds_exec_end_control_op); switch (op->common.aml_opcode) { case AML_IF_OP: @@ -984,6 +1006,7 @@ acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state, ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "[WHILE_OP] Op=%p\n", op)); if (walk_state->control_state->common.value) { + /* Predicate was true, go back and evaluate it again! */ status = AE_CTRL_PENDING; @@ -1014,6 +1037,7 @@ acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state, * has been bubbled up the tree */ if (op->common.value.arg) { + /* Since we have a real Return(), delete any implicit return */ acpi_ds_clear_implicit_return(walk_state); @@ -1047,6 +1071,7 @@ acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state, walk_state->return_desc = walk_state->operands[0]; } else if ((walk_state->results) && (walk_state->results->results.num_results > 0)) { + /* Since we have a real Return(), delete any implicit return */ acpi_ds_clear_implicit_return(walk_state); @@ -1095,7 +1120,7 @@ acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state, } ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, - "Completed RETURN_OP State=%p, ret_val=%p\n", + "Completed RETURN_OP State=%p, RetVal=%p\n", walk_state, walk_state->return_desc)); /* End the control method execution right now */ diff --git a/drivers/acpi/dispatcher/dsutils.c b/drivers/acpi/dispatcher/dsutils.c index 53356a591ac1..05230baf5de8 100644 --- a/drivers/acpi/dispatcher/dsutils.c +++ b/drivers/acpi/dispatcher/dsutils.c @@ -68,7 +68,7 @@ ACPI_MODULE_NAME("dsutils") ******************************************************************************/ void acpi_ds_clear_implicit_return(struct acpi_walk_state *walk_state) { - ACPI_FUNCTION_NAME("ds_clear_implicit_return"); + ACPI_FUNCTION_NAME(ds_clear_implicit_return); /* * Slack must be enabled for this feature @@ -115,7 +115,7 @@ u8 acpi_ds_do_implicit_return(union acpi_operand_object *return_desc, struct acpi_walk_state *walk_state, u8 add_reference) { - ACPI_FUNCTION_NAME("ds_do_implicit_return"); + ACPI_FUNCTION_NAME(ds_do_implicit_return); /* * Slack must be enabled for this feature, and we must @@ -171,7 +171,7 @@ acpi_ds_is_result_used(union acpi_parse_object * op, { const struct acpi_opcode_info *parent_info; - ACPI_FUNCTION_TRACE_PTR("ds_is_result_used", op); + ACPI_FUNCTION_TRACE_PTR(ds_is_result_used, op); /* Must have both an Op and a Result Object */ @@ -202,6 +202,7 @@ acpi_ds_is_result_used(union acpi_parse_object * op, */ if ((!op->common.parent) || (op->common.parent->common.aml_opcode == AML_SCOPE_OP)) { + /* No parent, the return value cannot possibly be used */ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, @@ -340,7 +341,7 @@ acpi_ds_delete_result_if_not_used(union acpi_parse_object *op, union acpi_operand_object *obj_desc; acpi_status status; - ACPI_FUNCTION_TRACE_PTR("ds_delete_result_if_not_used", result_obj); + ACPI_FUNCTION_TRACE_PTR(ds_delete_result_if_not_used, result_obj); if (!op) { ACPI_ERROR((AE_INFO, "Null Op")); @@ -352,6 +353,7 @@ acpi_ds_delete_result_if_not_used(union acpi_parse_object *op, } if (!acpi_ds_is_result_used(op, walk_state)) { + /* Must pop the result stack (obj_desc should be equal to result_obj) */ status = acpi_ds_result_pop(&obj_desc, walk_state); @@ -382,7 +384,7 @@ acpi_status acpi_ds_resolve_operands(struct acpi_walk_state *walk_state) u32 i; acpi_status status = AE_OK; - ACPI_FUNCTION_TRACE_PTR("ds_resolve_operands", walk_state); + ACPI_FUNCTION_TRACE_PTR(ds_resolve_operands, walk_state); /* * Attempt to resolve each of the valid operands @@ -417,7 +419,7 @@ void acpi_ds_clear_operands(struct acpi_walk_state *walk_state) { u32 i; - ACPI_FUNCTION_TRACE_PTR("ds_clear_operands", walk_state); + ACPI_FUNCTION_TRACE_PTR(ds_clear_operands, walk_state); /* Remove a reference on each operand on the stack */ @@ -465,7 +467,7 @@ acpi_ds_create_operand(struct acpi_walk_state *walk_state, acpi_interpreter_mode interpreter_mode; const struct acpi_opcode_info *op_info; - ACPI_FUNCTION_TRACE_PTR("ds_create_operand", arg); + ACPI_FUNCTION_TRACE_PTR(ds_create_operand, arg); /* A valid name must be looked up in the namespace */ @@ -498,7 +500,9 @@ acpi_ds_create_operand(struct acpi_walk_state *walk_state, */ if ((walk_state->deferred_node) && (walk_state->deferred_node->type == ACPI_TYPE_BUFFER_FIELD) - && (arg_index != 0)) { + && (arg_index == + (u32) ((walk_state->opcode == + AML_CREATE_FIELD_OP) ? 3 : 2))) { obj_desc = ACPI_CAST_PTR(union acpi_operand_object, walk_state->deferred_node); @@ -521,6 +525,7 @@ acpi_ds_create_operand(struct acpi_walk_state *walk_state, && (parent_op->common.aml_opcode != AML_REGION_OP) && (parent_op->common.aml_opcode != AML_INT_NAMEPATH_OP)) { + /* Enter name into namespace if not found */ interpreter_mode = ACPI_IMODE_LOAD_PASS2; @@ -572,7 +577,7 @@ acpi_ds_create_operand(struct acpi_walk_state *walk_state, /* Free the namestring created above */ - ACPI_MEM_FREE(name_string); + ACPI_FREE(name_string); /* Check status from the lookup */ @@ -696,7 +701,7 @@ acpi_ds_create_operands(struct acpi_walk_state *walk_state, union acpi_parse_object *arg; u32 arg_count = 0; - ACPI_FUNCTION_TRACE_PTR("ds_create_operands", first_arg); + ACPI_FUNCTION_TRACE_PTR(ds_create_operands, first_arg); /* For all arguments in the list... */ diff --git a/drivers/acpi/dispatcher/dswexec.c b/drivers/acpi/dispatcher/dswexec.c index f1af655ff113..3acbd9145d72 100644 --- a/drivers/acpi/dispatcher/dswexec.c +++ b/drivers/acpi/dispatcher/dswexec.c @@ -49,7 +49,6 @@ #include <acpi/acinterp.h> #include <acpi/acnamesp.h> #include <acpi/acdebug.h> -#include <acpi/acdisasm.h> #define _COMPONENT ACPI_DISPATCHER ACPI_MODULE_NAME("dswexec") @@ -93,7 +92,7 @@ acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state, union acpi_operand_object *obj_desc; union acpi_operand_object *local_obj_desc = NULL; - ACPI_FUNCTION_TRACE_PTR("ds_get_predicate_value", walk_state); + ACPI_FUNCTION_TRACE_PTR(ds_get_predicate_value, walk_state); walk_state->control_state->common.state = 0; @@ -123,7 +122,7 @@ acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state, if (!obj_desc) { ACPI_ERROR((AE_INFO, - "No predicate obj_desc=%p State=%p", + "No predicate ObjDesc=%p State=%p", obj_desc, walk_state)); return_ACPI_STATUS(AE_AML_NO_OPERAND); @@ -140,7 +139,7 @@ acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state, if (ACPI_GET_OBJECT_TYPE(local_obj_desc) != ACPI_TYPE_INTEGER) { ACPI_ERROR((AE_INFO, - "Bad predicate (not an integer) obj_desc=%p State=%p Type=%X", + "Bad predicate (not an integer) ObjDesc=%p State=%p Type=%X", obj_desc, walk_state, ACPI_GET_OBJECT_TYPE(obj_desc))); @@ -214,7 +213,7 @@ acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state, acpi_status status = AE_OK; u32 opcode_class; - ACPI_FUNCTION_TRACE_PTR("ds_exec_begin_op", walk_state); + ACPI_FUNCTION_TRACE_PTR(ds_exec_begin_op, walk_state); op = walk_state->op; if (!op) { @@ -296,7 +295,7 @@ acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state, case AML_CLASS_NAMED_OBJECT: - if (walk_state->walk_type == ACPI_WALK_METHOD) { + if (walk_state->walk_type & ACPI_WALK_METHOD) { /* * Found a named object declaration during method execution; * we must enter this object into the namespace. The created @@ -354,7 +353,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state) union acpi_parse_object *next_op; union acpi_parse_object *first_arg; - ACPI_FUNCTION_TRACE_PTR("ds_exec_end_op", walk_state); + ACPI_FUNCTION_TRACE_PTR(ds_exec_end_op, walk_state); op = walk_state->op; op_type = walk_state->op_info->type; @@ -409,6 +408,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state) * being the object_type and size_of operators. */ if (!(walk_state->op_info->flags & AML_NO_OPERAND_RESOLVE)) { + /* Resolve all operands */ status = acpi_ex_resolve_operands(walk_state->opcode, @@ -423,7 +423,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state) acpi_ps_get_opcode_name (walk_state->opcode), walk_state->num_operands, - "after ex_resolve_operands"); + "after ExResolveOperands"); } } @@ -437,7 +437,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state) acpi_gbl_op_type_dispatch[op_type] (walk_state); } else { /* - * Treat constructs of the form "Store(local_x,local_x)" as noops when the + * Treat constructs of the form "Store(LocalX,LocalX)" as noops when the * Local is uninitialized. */ if ((status == AE_AML_UNINITIALIZED_LOCAL) && @@ -548,6 +548,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state) */ status = acpi_ds_resolve_operands(walk_state); if (ACPI_FAILURE(status)) { + /* On error, clear all resolved operands */ acpi_ds_clear_operands(walk_state); @@ -569,7 +570,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state) case AML_TYPE_CREATE_FIELD: ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "Executing create_field Buffer/Index Op=%p\n", + "Executing CreateField Buffer/Index Op=%p\n", op)); status = acpi_ds_load2_end_op(walk_state); @@ -584,7 +585,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state) case AML_TYPE_CREATE_OBJECT: ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "Executing create_object (Buffer/Package) Op=%p\n", + "Executing CreateObject (Buffer/Package) Op=%p\n", op)); switch (op->common.parent->common.aml_opcode) { @@ -657,7 +658,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state) if (op->common.aml_opcode == AML_REGION_OP) { ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "Executing op_region Address/Length Op=%p\n", + "Executing OpRegion Address/Length Op=%p\n", op)); status = @@ -722,6 +723,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state) cleanup: if (walk_state->result_obj) { + /* Break to debugger to display result */ ACPI_DEBUGGER_EXEC(acpi_db_display_result_object diff --git a/drivers/acpi/dispatcher/dswload.c b/drivers/acpi/dispatcher/dswload.c index d3d24da31c81..35074399c617 100644 --- a/drivers/acpi/dispatcher/dswload.c +++ b/drivers/acpi/dispatcher/dswload.c @@ -127,7 +127,7 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state, char *path; u32 flags; - ACPI_FUNCTION_TRACE("ds_load1_begin_op"); + ACPI_FUNCTION_TRACE(ds_load1_begin_op); op = walk_state->op; ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p State=%p\n", op, @@ -178,12 +178,12 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state, * Target of Scope() not found. Generate an External for it, and * insert the name into the namespace. */ - acpi_dm_add_to_external_list(path); + acpi_dm_add_to_external_list(path, ACPI_TYPE_DEVICE, 0); status = acpi_ns_lookup(walk_state->scope_info, path, object_type, ACPI_IMODE_LOAD_PASS1, ACPI_NS_SEARCH_PARENT, walk_state, - &(node)); + &node); } #endif if (ACPI_FAILURE(status)) { @@ -261,6 +261,7 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state, */ if (walk_state->deferred_node) { + /* This name is already in the namespace, get the node */ node = walk_state->deferred_node; @@ -300,10 +301,41 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state, status = acpi_ns_lookup(walk_state->scope_info, path, object_type, ACPI_IMODE_LOAD_PASS1, flags, walk_state, - &(node)); + &node); if (ACPI_FAILURE(status)) { - ACPI_ERROR_NAMESPACE(path, status); - return_ACPI_STATUS(status); + if (status == AE_ALREADY_EXISTS) { + + /* The name already exists in this scope */ + + if (node->flags & ANOBJ_IS_EXTERNAL) { + /* + * Allow one create on an object or segment that was + * previously declared External + */ + node->flags &= ~ANOBJ_IS_EXTERNAL; + node->type = (u8) object_type; + + /* Just retyped a node, probably will need to open a scope */ + + if (acpi_ns_opens_scope(object_type)) { + status = + acpi_ds_scope_stack_push + (node, object_type, + walk_state); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS + (status); + } + } + status = AE_OK; + } + } + + if (ACPI_FAILURE(status)) { + + ACPI_ERROR_NAMESPACE(path, status); + return_ACPI_STATUS(status); + } } break; } @@ -311,6 +343,7 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state, /* Common exit */ if (!op) { + /* Create a new op */ op = acpi_ps_alloc_op(walk_state->opcode); @@ -359,7 +392,7 @@ acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state) acpi_object_type object_type; acpi_status status = AE_OK; - ACPI_FUNCTION_TRACE("ds_load1_end_op"); + ACPI_FUNCTION_TRACE(ds_load1_end_op); op = walk_state->op; ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p State=%p\n", op, @@ -413,6 +446,7 @@ acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state) #endif if (op->common.aml_opcode == AML_NAME_OP) { + /* For Name opcode, get the object type from the argument */ if (op->common.value.arg) { @@ -445,7 +479,7 @@ acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state) * arguments.) */ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, - "LOADING-Method: State=%p Op=%p named_obj=%p\n", + "LOADING-Method: State=%p Op=%p NamedObj=%p\n", walk_state, op, op->named.node)); if (!acpi_ns_get_attached_object(op->named.node)) { @@ -511,7 +545,7 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state, acpi_object_type object_type; char *buffer_ptr; - ACPI_FUNCTION_TRACE("ds_load2_begin_op"); + ACPI_FUNCTION_TRACE(ds_load2_begin_op); op = walk_state->op; ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p State=%p\n", op, @@ -521,6 +555,7 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state, if ((walk_state->control_state) && (walk_state->control_state->common.state == ACPI_CONTROL_CONDITIONAL_EXECUTING)) { + /* We are executing a while loop outside of a method */ status = acpi_ds_exec_begin_op(walk_state, out_op); @@ -554,10 +589,12 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state, /* Get the name we are going to enter or lookup in the namespace */ if (walk_state->opcode == AML_INT_NAMEPATH_OP) { + /* For Namepath op, get the path string */ buffer_ptr = op->common.value.string; if (!buffer_ptr) { + /* No name, just exit */ return_ACPI_STATUS(AE_OK); @@ -680,6 +717,7 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state, /* All other opcodes */ if (op && op->common.node) { + /* This op/node was previously entered into the namespace */ node = op->common.node; @@ -705,6 +743,7 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state, * Note: Name may already exist if we are executing a deferred opcode. */ if (walk_state->deferred_node) { + /* This name is already in the namespace, get the node */ node = walk_state->deferred_node; @@ -727,6 +766,7 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state, } if (!op) { + /* Create a new op */ op = acpi_ps_alloc_op(walk_state->opcode); @@ -776,7 +816,7 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state) u32 i; #endif - ACPI_FUNCTION_TRACE("ds_load2_end_op"); + ACPI_FUNCTION_TRACE(ds_load2_end_op); op = walk_state->op; ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Opcode [%s] Op %p State %p\n", @@ -870,7 +910,7 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state) */ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, - "Create-Load [%s] State=%p Op=%p named_obj=%p\n", + "Create-Load [%s] State=%p Op=%p NamedObj=%p\n", acpi_ps_get_opcode_name(op->common.aml_opcode), walk_state, op, node)); @@ -1045,7 +1085,7 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state) * arguments.) */ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, - "LOADING-Method: State=%p Op=%p named_obj=%p\n", + "LOADING-Method: State=%p Op=%p NamedObj=%p\n", walk_state, op, op->named.node)); if (!acpi_ns_get_attached_object(op->named.node)) { @@ -1090,7 +1130,7 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state) case AML_CLASS_METHOD_CALL: ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, - "RESOLVING-method_call: State=%p Op=%p named_obj=%p\n", + "RESOLVING-MethodCall: State=%p Op=%p NamedObj=%p\n", walk_state, op, node)); /* @@ -1104,7 +1144,6 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state) ACPI_NS_DONT_OPEN_SCOPE, walk_state, &(new_node)); if (ACPI_SUCCESS(status)) { - /* * Make sure that what we found is indeed a method * We didn't search for a method on purpose, to see if the name diff --git a/drivers/acpi/dispatcher/dswscope.c b/drivers/acpi/dispatcher/dswscope.c index ada21ef4a174..c9228972f5f6 100644 --- a/drivers/acpi/dispatcher/dswscope.c +++ b/drivers/acpi/dispatcher/dswscope.c @@ -63,9 +63,10 @@ void acpi_ds_scope_stack_clear(struct acpi_walk_state *walk_state) { union acpi_generic_state *scope_info; - ACPI_FUNCTION_NAME("ds_scope_stack_clear"); + ACPI_FUNCTION_NAME(ds_scope_stack_clear); while (walk_state->scope_info) { + /* Pop a scope off the stack */ scope_info = walk_state->scope_info; @@ -102,9 +103,10 @@ acpi_ds_scope_stack_push(struct acpi_namespace_node *node, union acpi_generic_state *scope_info; union acpi_generic_state *old_scope_info; - ACPI_FUNCTION_TRACE("ds_scope_stack_push"); + ACPI_FUNCTION_TRACE(ds_scope_stack_push); if (!node) { + /* Invalid scope */ ACPI_ERROR((AE_INFO, "Null scope parameter")); @@ -126,7 +128,7 @@ acpi_ds_scope_stack_push(struct acpi_namespace_node *node, /* Init new scope object */ - scope_info->common.data_type = ACPI_DESC_TYPE_STATE_WSCOPE; + scope_info->common.descriptor_type = ACPI_DESC_TYPE_STATE_WSCOPE; scope_info->scope.node = node; scope_info->common.value = (u16) type; @@ -176,7 +178,7 @@ acpi_status acpi_ds_scope_stack_pop(struct acpi_walk_state *walk_state) union acpi_generic_state *scope_info; union acpi_generic_state *new_scope_info; - ACPI_FUNCTION_TRACE("ds_scope_stack_pop"); + ACPI_FUNCTION_TRACE(ds_scope_stack_pop); /* * Pop scope info object off the stack. diff --git a/drivers/acpi/dispatcher/dswstate.c b/drivers/acpi/dispatcher/dswstate.c index fa78cb74ee36..7817e5522679 100644 --- a/drivers/acpi/dispatcher/dswstate.c +++ b/drivers/acpi/dispatcher/dswstate.c @@ -66,7 +66,6 @@ void *acpi_ds_obj_stack_get_value(u32 index, #endif #ifdef ACPI_FUTURE_USAGE - /******************************************************************************* * * FUNCTION: acpi_ds_result_remove @@ -88,7 +87,7 @@ acpi_ds_result_remove(union acpi_operand_object **object, { union acpi_generic_state *state; - ACPI_FUNCTION_NAME("ds_result_remove"); + ACPI_FUNCTION_NAME(ds_result_remove); state = walk_state->results; if (!state) { @@ -128,7 +127,6 @@ acpi_ds_result_remove(union acpi_operand_object **object, return (AE_OK); } - #endif /* ACPI_FUTURE_USAGE */ /******************************************************************************* @@ -152,7 +150,7 @@ acpi_ds_result_pop(union acpi_operand_object ** object, acpi_native_uint index; union acpi_generic_state *state; - ACPI_FUNCTION_NAME("ds_result_pop"); + ACPI_FUNCTION_NAME(ds_result_pop); state = walk_state->results; if (!state) { @@ -170,6 +168,7 @@ acpi_ds_result_pop(union acpi_operand_object ** object, state->results.num_results--; for (index = ACPI_OBJ_NUM_OPERANDS; index; index--) { + /* Check for a valid result object */ if (state->results.obj_desc[index - 1]) { @@ -213,7 +212,7 @@ acpi_ds_result_pop_from_bottom(union acpi_operand_object ** object, acpi_native_uint index; union acpi_generic_state *state; - ACPI_FUNCTION_NAME("ds_result_pop_from_bottom"); + ACPI_FUNCTION_NAME(ds_result_pop_from_bottom); state = walk_state->results; if (!state) { @@ -278,7 +277,7 @@ acpi_ds_result_push(union acpi_operand_object * object, { union acpi_generic_state *state; - ACPI_FUNCTION_NAME("ds_result_push"); + ACPI_FUNCTION_NAME(ds_result_push); state = walk_state->results; if (!state) { @@ -331,14 +330,14 @@ acpi_status acpi_ds_result_stack_push(struct acpi_walk_state * walk_state) { union acpi_generic_state *state; - ACPI_FUNCTION_NAME("ds_result_stack_push"); + ACPI_FUNCTION_NAME(ds_result_stack_push); state = acpi_ut_create_generic_state(); if (!state) { return (AE_NO_MEMORY); } - state->common.data_type = ACPI_DESC_TYPE_STATE_RESULT; + state->common.descriptor_type = ACPI_DESC_TYPE_STATE_RESULT; acpi_ut_push_generic_state(&walk_state->results, state); ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Results=%p State=%p\n", @@ -363,7 +362,7 @@ acpi_status acpi_ds_result_stack_pop(struct acpi_walk_state * walk_state) { union acpi_generic_state *state; - ACPI_FUNCTION_NAME("ds_result_stack_pop"); + ACPI_FUNCTION_NAME(ds_result_stack_pop); /* Check for stack underflow */ @@ -376,7 +375,7 @@ acpi_status acpi_ds_result_stack_pop(struct acpi_walk_state * walk_state) state = acpi_ut_pop_generic_state(&walk_state->results); ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "Result=%p remaining_results=%X State=%p\n", + "Result=%p RemainingResults=%X State=%p\n", state, state->results.num_results, walk_state)); acpi_ut_delete_generic_state(state); @@ -400,7 +399,7 @@ acpi_status acpi_ds_result_stack_pop(struct acpi_walk_state * walk_state) acpi_status acpi_ds_obj_stack_push(void *object, struct acpi_walk_state * walk_state) { - ACPI_FUNCTION_NAME("ds_obj_stack_push"); + ACPI_FUNCTION_NAME(ds_obj_stack_push); /* Check for stack overflow */ @@ -445,9 +444,10 @@ acpi_ds_obj_stack_pop(u32 pop_count, struct acpi_walk_state * walk_state) { u32 i; - ACPI_FUNCTION_NAME("ds_obj_stack_pop"); + ACPI_FUNCTION_NAME(ds_obj_stack_pop); for (i = 0; i < pop_count; i++) { + /* Check for stack underflow */ if (walk_state->num_operands == 0) { @@ -491,9 +491,10 @@ acpi_ds_obj_stack_pop_and_delete(u32 pop_count, u32 i; union acpi_operand_object *obj_desc; - ACPI_FUNCTION_NAME("ds_obj_stack_pop_and_delete"); + ACPI_FUNCTION_NAME(ds_obj_stack_pop_and_delete); for (i = 0; i < pop_count; i++) { + /* Check for stack underflow */ if (walk_state->num_operands == 0) { @@ -538,13 +539,13 @@ acpi_ds_obj_stack_pop_and_delete(u32 pop_count, struct acpi_walk_state *acpi_ds_get_current_walk_state(struct acpi_thread_state *thread) { - ACPI_FUNCTION_NAME("ds_get_current_walk_state"); + ACPI_FUNCTION_NAME(ds_get_current_walk_state); if (!thread) { return (NULL); } - ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "Current walk_state %p\n", + ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "Current WalkState %p\n", thread->walk_state_list)); return (thread->walk_state_list); @@ -567,7 +568,7 @@ void acpi_ds_push_walk_state(struct acpi_walk_state *walk_state, struct acpi_thread_state *thread) { - ACPI_FUNCTION_TRACE("ds_push_walk_state"); + ACPI_FUNCTION_TRACE(ds_push_walk_state); walk_state->next = thread->walk_state_list; thread->walk_state_list = walk_state; @@ -593,11 +594,12 @@ struct acpi_walk_state *acpi_ds_pop_walk_state(struct acpi_thread_state *thread) { struct acpi_walk_state *walk_state; - ACPI_FUNCTION_TRACE("ds_pop_walk_state"); + ACPI_FUNCTION_TRACE(ds_pop_walk_state); walk_state = thread->walk_state_list; if (walk_state) { + /* Next walk state becomes the current walk state */ thread->walk_state_list = walk_state->next; @@ -618,7 +620,7 @@ struct acpi_walk_state *acpi_ds_pop_walk_state(struct acpi_thread_state *thread) * * PARAMETERS: owner_id - ID for object creation * Origin - Starting point for this walk - * mth_desc - Method object + * method_desc - Method object * Thread - Current thread state * * RETURN: Pointer to the new walk state. @@ -632,24 +634,24 @@ struct acpi_walk_state *acpi_ds_create_walk_state(acpi_owner_id owner_id, union acpi_parse_object *origin, union acpi_operand_object - *mth_desc, + *method_desc, struct acpi_thread_state *thread) { struct acpi_walk_state *walk_state; acpi_status status; - ACPI_FUNCTION_TRACE("ds_create_walk_state"); + ACPI_FUNCTION_TRACE(ds_create_walk_state); - walk_state = ACPI_MEM_CALLOCATE(sizeof(struct acpi_walk_state)); + walk_state = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_walk_state)); if (!walk_state) { return_PTR(NULL); } - walk_state->data_type = ACPI_DESC_TYPE_WALK; + walk_state->descriptor_type = ACPI_DESC_TYPE_WALK; + walk_state->method_desc = method_desc; walk_state->owner_id = owner_id; walk_state->origin = origin; - walk_state->method_desc = mth_desc; walk_state->thread = thread; walk_state->parser_state.start_op = origin; @@ -664,7 +666,7 @@ struct acpi_walk_state *acpi_ds_create_walk_state(acpi_owner_id owner_id, status = acpi_ds_result_stack_push(walk_state); if (ACPI_FAILURE(status)) { - ACPI_MEM_FREE(walk_state); + ACPI_FREE(walk_state); return_PTR(NULL); } @@ -701,13 +703,13 @@ acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state, struct acpi_namespace_node *method_node, u8 * aml_start, u32 aml_length, - struct acpi_parameter_info *info, u8 pass_number) + struct acpi_evaluate_info *info, u8 pass_number) { acpi_status status; struct acpi_parse_state *parser_state = &walk_state->parser_state; union acpi_parse_object *extra_op; - ACPI_FUNCTION_TRACE("ds_init_aml_walk"); + ACPI_FUNCTION_TRACE(ds_init_aml_walk); walk_state->parser_state.aml = walk_state->parser_state.aml_start = aml_start; @@ -778,6 +780,7 @@ acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state, } if (parser_state->start_node) { + /* Push start scope on scope stack and make it current */ status = @@ -810,21 +813,24 @@ void acpi_ds_delete_walk_state(struct acpi_walk_state *walk_state) { union acpi_generic_state *state; - ACPI_FUNCTION_TRACE_PTR("ds_delete_walk_state", walk_state); + ACPI_FUNCTION_TRACE_PTR(ds_delete_walk_state, walk_state); if (!walk_state) { return; } - if (walk_state->data_type != ACPI_DESC_TYPE_WALK) { + if (walk_state->descriptor_type != ACPI_DESC_TYPE_WALK) { ACPI_ERROR((AE_INFO, "%p is not a valid walk state", walk_state)); return; } + /* There should not be any open scopes */ + if (walk_state->parser_state.scope) { ACPI_ERROR((AE_INFO, "%p walk still has a scope list", walk_state)); + acpi_ps_cleanup_scope(&walk_state->parser_state); } /* Always must free any linked control states */ @@ -854,7 +860,7 @@ void acpi_ds_delete_walk_state(struct acpi_walk_state *walk_state) acpi_ut_delete_generic_state(state); } - ACPI_MEM_FREE(walk_state); + ACPI_FREE(walk_state); return_VOID; } @@ -879,7 +885,7 @@ acpi_ds_result_insert(void *object, { union acpi_generic_state *state; - ACPI_FUNCTION_NAME("ds_result_insert"); + ACPI_FUNCTION_NAME(ds_result_insert); state = walk_state->results; if (!state) { @@ -937,7 +943,7 @@ acpi_status acpi_ds_obj_stack_delete_all(struct acpi_walk_state * walk_state) { u32 i; - ACPI_FUNCTION_TRACE_PTR("ds_obj_stack_delete_all", walk_state); + ACPI_FUNCTION_TRACE_PTR(ds_obj_stack_delete_all, walk_state); /* The stack size is configurable, but fixed */ @@ -969,7 +975,7 @@ acpi_status acpi_ds_obj_stack_pop_object(union acpi_operand_object **object, struct acpi_walk_state *walk_state) { - ACPI_FUNCTION_NAME("ds_obj_stack_pop_object"); + ACPI_FUNCTION_NAME(ds_obj_stack_pop_object); /* Check for stack underflow */ @@ -1025,7 +1031,7 @@ acpi_ds_obj_stack_pop_object(union acpi_operand_object **object, void *acpi_ds_obj_stack_get_value(u32 index, struct acpi_walk_state *walk_state) { - ACPI_FUNCTION_TRACE_PTR("ds_obj_stack_get_value", walk_state); + ACPI_FUNCTION_TRACE_PTR(ds_obj_stack_get_value, walk_state); /* Can't do it if the stack is empty */ |