******************************************************************************/
/*
- * Copyright (C) 2000 - 2004, R. Byron Moore
+ * Copyright (C) 2000 - 2006, R. Byron Moore
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* POSSIBILITY OF SUCH DAMAGES.
*/
-
#include <acpi/acpi.h>
#include <acpi/acparser.h>
#include <acpi/amlcode.h>
#include <acpi/acdebug.h>
#define _COMPONENT ACPI_DISPATCHER
- ACPI_MODULE_NAME ("dsutils")
+ACPI_MODULE_NAME("dsutils")
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_clear_implicit_return
+ *
+ * PARAMETERS: walk_state - Current State
+ *
+ * RETURN: None.
+ *
+ * DESCRIPTION: Clear and remove a reference on an implicit return value. Used
+ * to delete "stale" return values (if enabled, the return value
+ * from every operator is saved at least momentarily, in case the
+ * parent method exits.)
+ *
+ ******************************************************************************/
+void acpi_ds_clear_implicit_return(struct acpi_walk_state *walk_state)
+{
+ ACPI_FUNCTION_NAME(ds_clear_implicit_return);
+
+ /*
+ * Slack must be enabled for this feature
+ */
+ if (!acpi_gbl_enable_interpreter_slack) {
+ return;
+ }
+
+ if (walk_state->implicit_return_obj) {
+ /*
+ * Delete any "stale" implicit return. However, in
+ * complex statements, the implicit return value can be
+ * bubbled up several levels.
+ */
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "Removing reference on stale implicit return obj %p\n",
+ walk_state->implicit_return_obj));
+ acpi_ut_remove_reference(walk_state->implicit_return_obj);
+ walk_state->implicit_return_obj = NULL;
+ }
+}
#ifndef ACPI_NO_METHOD_EXECUTION
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_do_implicit_return
+ *
+ * PARAMETERS: return_desc - The return value
+ * walk_state - Current State
+ * add_reference - True if a reference should be added to the
+ * return object
+ *
+ * RETURN: TRUE if implicit return enabled, FALSE otherwise
+ *
+ * DESCRIPTION: Implements the optional "implicit return". We save the result
+ * of every ASL operator and control method invocation in case the
+ * parent method exit. Before storing a new return value, we
+ * delete the previous return value.
+ *
+ ******************************************************************************/
+
+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);
+
+ /*
+ * Slack must be enabled for this feature, and we must
+ * have a valid return object
+ */
+ if ((!acpi_gbl_enable_interpreter_slack) || (!return_desc)) {
+ return (FALSE);
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "Result %p will be implicitly returned; Prev=%p\n",
+ return_desc, walk_state->implicit_return_obj));
+
+ /*
+ * Delete any "stale" implicit return value first. However, in
+ * complex statements, the implicit return value can be
+ * bubbled up several levels, so we don't clear the value if it
+ * is the same as the return_desc.
+ */
+ if (walk_state->implicit_return_obj) {
+ if (walk_state->implicit_return_obj == return_desc) {
+ return (TRUE);
+ }
+ acpi_ds_clear_implicit_return(walk_state);
+ }
+
+ /* Save the implicit return value, add a reference if requested */
+
+ walk_state->implicit_return_obj = return_desc;
+ if (add_reference) {
+ acpi_ut_add_reference(return_desc);
+ }
+
+ return (TRUE);
+}
/*******************************************************************************
*
******************************************************************************/
u8
-acpi_ds_is_result_used (
- union acpi_parse_object *op,
- struct acpi_walk_state *walk_state)
+acpi_ds_is_result_used(union acpi_parse_object * op,
+ struct acpi_walk_state * walk_state)
{
- const struct acpi_opcode_info *parent_info;
-
-
- ACPI_FUNCTION_TRACE_PTR ("ds_is_result_used", op);
+ const struct acpi_opcode_info *parent_info;
+ ACPI_FUNCTION_TRACE_PTR(ds_is_result_used, op);
/* Must have both an Op and a Result Object */
if (!op) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null Op\n"));
- return_VALUE (TRUE);
+ ACPI_ERROR((AE_INFO, "Null Op"));
+ return_UINT8(TRUE);
}
/*
- * If there is no parent, we are executing at the method level.
- * An executing method typically has no parent, since each method
- * is parsed separately.
+ * We know that this operator is not a
+ * Return() operator (would not come here.) 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.
+ * NOTE: this is optional because the ASL language does not actually
+ * support this behavior.
*/
- if (!op->common.parent) {
- /*
- * If this is the last statement in the method, we know it is not a
- * Return() operator (would not come here.) 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.
- * NOTE: this is optional because the ASL language does not actually
- * support this behavior.
- */
- if ((acpi_gbl_enable_interpreter_slack) &&
- (walk_state->parser_state.aml >= walk_state->parser_state.aml_end)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
- "Result of [%s] will be implicitly returned\n",
- acpi_ps_get_opcode_name (op->common.aml_opcode)));
-
- /* Use the top of the result stack as the implicit return value */
+ (void)acpi_ds_do_implicit_return(walk_state->result_obj, walk_state,
+ TRUE);
- walk_state->return_desc = walk_state->results->results.obj_desc[0];
- return_VALUE (TRUE);
- }
+ /*
+ * Now determine if the parent will use the result
+ *
+ * If there is no parent, or the parent is a scope_op, we are executing
+ * at the method level. An executing method typically has no parent,
+ * since each method is parsed separately. A method invoked externally
+ * via execute_control_method has a scope_op as the parent.
+ */
+ if ((!op->common.parent) ||
+ (op->common.parent->common.aml_opcode == AML_SCOPE_OP)) {
/* No parent, the return value cannot possibly be used */
- return_VALUE (FALSE);
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "At Method level, result of [%s] not used\n",
+ acpi_ps_get_opcode_name(op->common.
+ aml_opcode)));
+ return_UINT8(FALSE);
}
/* Get info on the parent. The root_op is AML_SCOPE */
- parent_info = acpi_ps_get_opcode_info (op->common.parent->common.aml_opcode);
+ parent_info =
+ acpi_ps_get_opcode_info(op->common.parent->common.aml_opcode);
if (parent_info->class == AML_CLASS_UNKNOWN) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown parent opcode. Op=%p\n", op));
- return_VALUE (FALSE);
+ ACPI_ERROR((AE_INFO, "Unknown parent opcode Op=%p", op));
+ return_UINT8(FALSE);
}
/*
* If we are executing the predicate AND this is the predicate op,
* we will use the return value
*/
- if ((walk_state->control_state->common.state == ACPI_CONTROL_PREDICATE_EXECUTING) &&
- (walk_state->control_state->control.predicate_op == op)) {
+ if ((walk_state->control_state->common.state ==
+ ACPI_CONTROL_PREDICATE_EXECUTING)
+ && (walk_state->control_state->control.
+ predicate_op == op)) {
goto result_used;
}
break;
goto result_not_used;
-
case AML_CLASS_CREATE:
/*
*/
goto result_used;
-
case AML_CLASS_NAMED_OBJECT:
- if ((op->common.parent->common.aml_opcode == AML_REGION_OP) ||
- (op->common.parent->common.aml_opcode == AML_DATA_REGION_OP) ||
- (op->common.parent->common.aml_opcode == AML_PACKAGE_OP) ||
- (op->common.parent->common.aml_opcode == AML_VAR_PACKAGE_OP) ||
- (op->common.parent->common.aml_opcode == AML_BUFFER_OP) ||
- (op->common.parent->common.aml_opcode == AML_INT_EVAL_SUBTREE_OP)) {
+ if ((op->common.parent->common.aml_opcode == AML_REGION_OP) ||
+ (op->common.parent->common.aml_opcode == AML_DATA_REGION_OP)
+ || (op->common.parent->common.aml_opcode == AML_PACKAGE_OP)
+ || (op->common.parent->common.aml_opcode ==
+ AML_VAR_PACKAGE_OP)
+ || (op->common.parent->common.aml_opcode == AML_BUFFER_OP)
+ || (op->common.parent->common.aml_opcode ==
+ AML_INT_EVAL_SUBTREE_OP)) {
/*
* These opcodes allow term_arg(s) as operands and therefore
* the operands can be method calls. The result is used.
goto result_not_used;
-
default:
/*
goto result_used;
}
+ result_used:
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "Result of [%s] used by Parent [%s] Op=%p\n",
+ acpi_ps_get_opcode_name(op->common.aml_opcode),
+ acpi_ps_get_opcode_name(op->common.parent->common.
+ aml_opcode), op));
-result_used:
- ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Result of [%s] used by Parent [%s] Op=%p\n",
- acpi_ps_get_opcode_name (op->common.aml_opcode),
- acpi_ps_get_opcode_name (op->common.parent->common.aml_opcode), op));
+ return_UINT8(TRUE);
- return_VALUE (TRUE);
+ result_not_used:
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "Result of [%s] not used by Parent [%s] Op=%p\n",
+ acpi_ps_get_opcode_name(op->common.aml_opcode),
+ acpi_ps_get_opcode_name(op->common.parent->common.
+ aml_opcode), op));
-
-result_not_used:
- ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Result of [%s] not used by Parent [%s] Op=%p\n",
- acpi_ps_get_opcode_name (op->common.aml_opcode),
- acpi_ps_get_opcode_name (op->common.parent->common.aml_opcode), op));
-
- return_VALUE (FALSE);
+ return_UINT8(FALSE);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_delete_result_if_not_used
******************************************************************************/
void
-acpi_ds_delete_result_if_not_used (
- union acpi_parse_object *op,
- union acpi_operand_object *result_obj,
- struct acpi_walk_state *walk_state)
+acpi_ds_delete_result_if_not_used(union acpi_parse_object *op,
+ union acpi_operand_object *result_obj,
+ struct acpi_walk_state *walk_state)
{
- union acpi_operand_object *obj_desc;
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE_PTR ("ds_delete_result_if_not_used", result_obj);
+ union acpi_operand_object *obj_desc;
+ acpi_status status;
+ ACPI_FUNCTION_TRACE_PTR(ds_delete_result_if_not_used, result_obj);
if (!op) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null Op\n"));
+ ACPI_ERROR((AE_INFO, "Null Op"));
return_VOID;
}
return_VOID;
}
- 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);
- if (ACPI_SUCCESS (status)) {
- acpi_ut_remove_reference (result_obj);
+ 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);
+ if (ACPI_SUCCESS(status)) {
+ acpi_ut_remove_reference(result_obj);
}
}
return_VOID;
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_resolve_operands
*
******************************************************************************/
-acpi_status
-acpi_ds_resolve_operands (
- struct acpi_walk_state *walk_state)
+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);
+ u32 i;
+ acpi_status status = AE_OK;
+ ACPI_FUNCTION_TRACE_PTR(ds_resolve_operands, walk_state);
/*
* Attempt to resolve each of the valid operands
* that the actual objects are passed, not copies of the objects.
*/
for (i = 0; i < walk_state->num_operands; i++) {
- status = acpi_ex_resolve_to_value (&walk_state->operands[i], walk_state);
- if (ACPI_FAILURE (status)) {
+ status =
+ acpi_ex_resolve_to_value(&walk_state->operands[i],
+ walk_state);
+ if (ACPI_FAILURE(status)) {
break;
}
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_clear_operands
*
******************************************************************************/
-void
-acpi_ds_clear_operands (
- struct acpi_walk_state *walk_state)
+void acpi_ds_clear_operands(struct acpi_walk_state *walk_state)
{
- u32 i;
+ u32 i;
+ ACPI_FUNCTION_TRACE_PTR(ds_clear_operands, walk_state);
- ACPI_FUNCTION_TRACE_PTR ("acpi_ds_clear_operands", walk_state);
+ /* Remove a reference on each operand on the stack */
-
- /*
- * Remove a reference on each operand on the stack
- */
for (i = 0; i < walk_state->num_operands; i++) {
/*
* Remove a reference to all operands, including both
* "Arguments" and "Targets".
*/
- acpi_ut_remove_reference (walk_state->operands[i]);
+ acpi_ut_remove_reference(walk_state->operands[i]);
walk_state->operands[i] = NULL;
}
}
#endif
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_create_operand
******************************************************************************/
acpi_status
-acpi_ds_create_operand (
- struct acpi_walk_state *walk_state,
- union acpi_parse_object *arg,
- u32 arg_index)
+acpi_ds_create_operand(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *arg, u32 arg_index)
{
- acpi_status status = AE_OK;
- char *name_string;
- u32 name_length;
- union acpi_operand_object *obj_desc;
- union acpi_parse_object *parent_op;
- u16 opcode;
- acpi_interpreter_mode interpreter_mode;
- const struct acpi_opcode_info *op_info;
-
-
- ACPI_FUNCTION_TRACE_PTR ("ds_create_operand", arg);
+ acpi_status status = AE_OK;
+ char *name_string;
+ u32 name_length;
+ union acpi_operand_object *obj_desc;
+ union acpi_parse_object *parent_op;
+ u16 opcode;
+ acpi_interpreter_mode interpreter_mode;
+ const struct acpi_opcode_info *op_info;
+ ACPI_FUNCTION_TRACE_PTR(ds_create_operand, arg);
/* A valid name must be looked up in the namespace */
if ((arg->common.aml_opcode == AML_INT_NAMEPATH_OP) &&
- (arg->common.value.string)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Getting a name: Arg=%p\n", arg));
+ (arg->common.value.string)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Getting a name: Arg=%p\n",
+ arg));
/* Get the entire name string from the AML stream */
- status = acpi_ex_get_name_string (ACPI_TYPE_ANY, arg->common.value.buffer,
- &name_string, &name_length);
+ status =
+ acpi_ex_get_name_string(ACPI_TYPE_ANY,
+ arg->common.value.buffer,
+ &name_string, &name_length);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
- /*
- * All prefixes have been handled, and the name is
- * in name_string
- */
-
+ /* All prefixes have been handled, and the name is in name_string */
/*
* Special handling for buffer_field declarations. This is a deferred
* actual opcode exists.
*/
if ((walk_state->deferred_node) &&
- (walk_state->deferred_node->type == ACPI_TYPE_BUFFER_FIELD) &&
- (arg_index != 0)) {
- obj_desc = ACPI_CAST_PTR (union acpi_operand_object, walk_state->deferred_node);
+ (walk_state->deferred_node->type == ACPI_TYPE_BUFFER_FIELD)
+ && (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);
status = AE_OK;
- }
- else /* All other opcodes */ {
+ } else { /* All other opcodes */
+
/*
* Differentiate between a namespace "create" operation
* versus a "lookup" operation (IMODE_LOAD_PASS2 vs.
* namespace objects during the execution of control methods.
*/
parent_op = arg->common.parent;
- op_info = acpi_ps_get_opcode_info (parent_op->common.aml_opcode);
- if ((op_info->flags & AML_NSNODE) &&
- (parent_op->common.aml_opcode != AML_INT_METHODCALL_OP) &&
- (parent_op->common.aml_opcode != AML_REGION_OP) &&
- (parent_op->common.aml_opcode != AML_INT_NAMEPATH_OP)) {
+ op_info =
+ acpi_ps_get_opcode_info(parent_op->common.
+ aml_opcode);
+ if ((op_info->flags & AML_NSNODE)
+ && (parent_op->common.aml_opcode !=
+ AML_INT_METHODCALL_OP)
+ && (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;
- }
- else {
+ } else {
/* Return a failure if name not found */
interpreter_mode = ACPI_IMODE_EXECUTE;
}
- status = acpi_ns_lookup (walk_state->scope_info, name_string,
- ACPI_TYPE_ANY, interpreter_mode,
- ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE,
- walk_state,
- ACPI_CAST_INDIRECT_PTR (struct acpi_namespace_node, &obj_desc));
+ status =
+ acpi_ns_lookup(walk_state->scope_info, name_string,
+ ACPI_TYPE_ANY, interpreter_mode,
+ ACPI_NS_SEARCH_PARENT |
+ ACPI_NS_DONT_OPEN_SCOPE, walk_state,
+ ACPI_CAST_INDIRECT_PTR(struct
+ acpi_namespace_node,
+ &obj_desc));
/*
* The only case where we pass through (ignore) a NOT_FOUND
* error is for the cond_ref_of opcode.
*/
if (status == AE_NOT_FOUND) {
- if (parent_op->common.aml_opcode == AML_COND_REF_OF_OP) {
+ if (parent_op->common.aml_opcode ==
+ AML_COND_REF_OF_OP) {
/*
* For the Conditional Reference op, it's OK if
* the name is not found; We just need a way to
* indicate this to the interpreter, set the
* object to the root
*/
- obj_desc = ACPI_CAST_PTR (union acpi_operand_object, acpi_gbl_root_node);
+ obj_desc =
+ ACPI_CAST_PTR(union
+ acpi_operand_object,
+ acpi_gbl_root_node);
status = AE_OK;
- }
- else {
+ } else {
/*
* We just plain didn't find it -- which is a
* very serious error at this point
}
}
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_NSERROR (name_string, status);
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR_NAMESPACE(name_string, status);
}
}
/* Free the namestring created above */
- ACPI_MEM_FREE (name_string);
+ ACPI_FREE(name_string);
/* Check status from the lookup */
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/* Put the resulting object onto the current object stack */
- status = acpi_ds_obj_stack_push (obj_desc, walk_state);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ds_obj_stack_push(obj_desc, walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
- ACPI_DEBUGGER_EXEC (acpi_db_display_argument_object (obj_desc, walk_state));
- }
- else {
+ ACPI_DEBUGGER_EXEC(acpi_db_display_argument_object
+ (obj_desc, walk_state));
+ } else {
/* Check for null name case */
if (arg->common.aml_opcode == AML_INT_NAMEPATH_OP) {
* in the original ASL. Create a Zero Constant for a
* placeholder. (Store to a constant is a Noop.)
*/
- opcode = AML_ZERO_OP; /* Has no arguments! */
+ opcode = AML_ZERO_OP; /* Has no arguments! */
- ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Null namepath: Arg=%p\n", arg));
- }
- else {
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "Null namepath: Arg=%p\n", arg));
+ } else {
opcode = arg->common.aml_opcode;
}
/* Get the object type of the argument */
- op_info = acpi_ps_get_opcode_info (opcode);
+ op_info = acpi_ps_get_opcode_info(opcode);
if (op_info->object_type == ACPI_TYPE_INVALID) {
- return_ACPI_STATUS (AE_NOT_IMPLEMENTED);
+ return_ACPI_STATUS(AE_NOT_IMPLEMENTED);
}
if (op_info->flags & AML_HAS_RETVAL) {
- ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
- "Argument previously created, already stacked \n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "Argument previously created, already stacked\n"));
- ACPI_DEBUGGER_EXEC (acpi_db_display_argument_object (
- walk_state->operands [walk_state->num_operands - 1], walk_state));
+ ACPI_DEBUGGER_EXEC(acpi_db_display_argument_object
+ (walk_state->
+ operands[walk_state->num_operands -
+ 1], walk_state));
/*
* Use value that was already previously returned
* by the evaluation of this argument
*/
- status = acpi_ds_result_pop_from_bottom (&obj_desc, walk_state);
- if (ACPI_FAILURE (status)) {
+ status =
+ acpi_ds_result_pop_from_bottom(&obj_desc,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
/*
* Only error is underflow, and this indicates
* a missing or null operand!
*/
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Missing or null operand, %s\n",
- acpi_format_exception (status)));
- return_ACPI_STATUS (status);
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Missing or null operand"));
+ return_ACPI_STATUS(status);
}
- }
- else {
+ } else {
/* Create an ACPI_INTERNAL_OBJECT for the argument */
- obj_desc = acpi_ut_create_internal_object (op_info->object_type);
+ obj_desc =
+ acpi_ut_create_internal_object(op_info->
+ object_type);
if (!obj_desc) {
- return_ACPI_STATUS (AE_NO_MEMORY);
+ return_ACPI_STATUS(AE_NO_MEMORY);
}
/* Initialize the new object */
- status = acpi_ds_init_object_from_op (walk_state, arg,
- opcode, &obj_desc);
- if (ACPI_FAILURE (status)) {
- acpi_ut_delete_object_desc (obj_desc);
- return_ACPI_STATUS (status);
+ status =
+ acpi_ds_init_object_from_op(walk_state, arg, opcode,
+ &obj_desc);
+ if (ACPI_FAILURE(status)) {
+ acpi_ut_delete_object_desc(obj_desc);
+ return_ACPI_STATUS(status);
}
}
/* Put the operand object on the object stack */
- status = acpi_ds_obj_stack_push (obj_desc, walk_state);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ds_obj_stack_push(obj_desc, walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
- ACPI_DEBUGGER_EXEC (acpi_db_display_argument_object (obj_desc, walk_state));
+ ACPI_DEBUGGER_EXEC(acpi_db_display_argument_object
+ (obj_desc, walk_state));
}
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_create_operands
*
- * PARAMETERS: first_arg - First argument of a parser argument tree
+ * PARAMETERS: walk_state - Current state
+ * first_arg - First argument of a parser argument tree
*
* RETURN: Status
*
******************************************************************************/
acpi_status
-acpi_ds_create_operands (
- struct acpi_walk_state *walk_state,
- union acpi_parse_object *first_arg)
+acpi_ds_create_operands(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *first_arg)
{
- acpi_status status = AE_OK;
- union acpi_parse_object *arg;
- u32 arg_count = 0;
-
-
- ACPI_FUNCTION_TRACE_PTR ("ds_create_operands", first_arg);
+ acpi_status status = AE_OK;
+ union acpi_parse_object *arg;
+ u32 arg_count = 0;
+ ACPI_FUNCTION_TRACE_PTR(ds_create_operands, first_arg);
/* For all arguments in the list... */
arg = first_arg;
while (arg) {
- status = acpi_ds_create_operand (walk_state, arg, arg_count);
- if (ACPI_FAILURE (status)) {
+ status = acpi_ds_create_operand(walk_state, arg, arg_count);
+ if (ACPI_FAILURE(status)) {
goto cleanup;
}
- ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Arg #%d (%p) done, Arg1=%p\n",
- arg_count, arg, first_arg));
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+ "Arg #%d (%p) done, Arg1=%p\n", arg_count,
+ arg, first_arg));
/* Move on to next argument, if any */
arg_count++;
}
- return_ACPI_STATUS (status);
-
+ return_ACPI_STATUS(status);
-cleanup:
+ cleanup:
/*
* We must undo everything done above; meaning that we must
* pop everything off of the operand stack and delete those
* objects
*/
- (void) acpi_ds_obj_stack_pop_and_delete (arg_count, walk_state);
+ (void)acpi_ds_obj_stack_pop_and_delete(arg_count, walk_state);
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "While creating Arg %d - %s\n",
- (arg_count + 1), acpi_format_exception (status)));
- return_ACPI_STATUS (status);
+ ACPI_EXCEPTION((AE_INFO, status, "While creating Arg %d",
+ (arg_count + 1)));
+ return_ACPI_STATUS(status);
}
-
-
git://git.onelab.eu / linux-2.6.git / blobdiff