patch-2.4.22 linux-2.4.22/drivers/acpi/dispatcher/dsutils.c
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- Lines: 1003
- Date:
2003-08-25 04:44:41.000000000 -0700
- Orig file:
linux-2.4.21/drivers/acpi/dispatcher/dsutils.c
- Orig date:
2001-10-24 14:06:22.000000000 -0700
diff -urN linux-2.4.21/drivers/acpi/dispatcher/dsutils.c linux-2.4.22/drivers/acpi/dispatcher/dsutils.c
@@ -1,48 +1,67 @@
/*******************************************************************************
*
* Module Name: dsutils - Dispatcher utilities
- * $Revision: 80 $
*
******************************************************************************/
/*
- * Copyright (C) 2000, 2001 R. Byron Moore
+ * Copyright (C) 2000 - 2003, R. Byron Moore
+ * All rights reserved.
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
*/
-#include "acpi.h"
-#include "acparser.h"
-#include "amlcode.h"
-#include "acdispat.h"
-#include "acinterp.h"
-#include "acnamesp.h"
-#include "acdebug.h"
+#include <acpi/acpi.h>
+#include <acpi/acparser.h>
+#include <acpi/amlcode.h>
+#include <acpi/acdispat.h>
+#include <acpi/acinterp.h>
+#include <acpi/acnamesp.h>
+#include <acpi/acdebug.h>
#define _COMPONENT ACPI_DISPATCHER
- MODULE_NAME ("dsutils")
+ ACPI_MODULE_NAME ("dsutils")
+#ifndef ACPI_NO_METHOD_EXECUTION
/*******************************************************************************
*
- * FUNCTION: Acpi_ds_is_result_used
+ * FUNCTION: acpi_ds_is_result_used
*
* PARAMETERS: Op
- * Result_obj
- * Walk_state
+ * result_obj
+ * walk_state
*
* RETURN: Status
*
@@ -52,13 +71,13 @@
u8
acpi_ds_is_result_used (
- acpi_parse_object *op,
- acpi_walk_state *walk_state)
+ union acpi_parse_object *op,
+ struct acpi_walk_state *walk_state)
{
- const acpi_opcode_info *parent_info;
+ const struct acpi_opcode_info *parent_info;
- 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 */
@@ -68,29 +87,25 @@
return_VALUE (TRUE);
}
-
/*
* If there is no parent, the result can't possibly be used!
* (An executing method typically has no parent, since each
* method is parsed separately) However, a method that is
* invoked from another method has a parent.
*/
- if (!op->parent) {
+ if (!op->common.parent) {
return_VALUE (FALSE);
}
-
/*
* Get info on the parent. The root Op is AML_SCOPE
*/
-
- parent_info = acpi_ps_get_opcode_info (op->parent->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);
}
-
/*
* Decide what to do with the result based on the parent. If
* the parent opcode will not use the result, delete the object.
@@ -98,88 +113,100 @@
* as an operand later.
*/
switch (parent_info->class) {
- /*
- * In these cases, the parent will never use the return object
- */
- case AML_CLASS_CONTROL: /* IF, ELSE, WHILE only */
+ case AML_CLASS_CONTROL:
- switch (op->parent->opcode) {
+ switch (op->common.parent->common.aml_opcode) {
case AML_RETURN_OP:
/* Never delete the return value associated with a return opcode */
- ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
- "Result used, [RETURN] opcode=%X Op=%p\n", op->opcode, op));
- return_VALUE (TRUE);
- break;
+ goto result_used;
case AML_IF_OP:
case AML_WHILE_OP:
/*
* If we are executing the predicate AND this is the predicate op,
- * we will use the return value!
+ * we will use the return value
*/
- if ((walk_state->control_state->common.state == CONTROL_PREDICATE_EXECUTING) &&
+ if ((walk_state->control_state->common.state == ACPI_CONTROL_PREDICATE_EXECUTING) &&
(walk_state->control_state->control.predicate_op == op)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
- "Result used as a predicate, [IF/WHILE] opcode=%X Op=%p\n",
- op->opcode, op));
- return_VALUE (TRUE);
+ goto result_used;
}
+ break;
+ default:
+ /* Ignore other control opcodes */
break;
}
+ /* The general control opcode returns no result */
- /* Fall through to not used case below */
+ goto result_not_used;
- case AML_CLASS_NAMED_OBJECT: /* Scope, method, etc. */
case AML_CLASS_CREATE:
/*
- * These opcodes allow Term_arg(s) as operands and therefore
- * method calls. The result is used.
+ * These opcodes allow term_arg(s) as operands and therefore
+ * the operands can be method calls. The result is used.
*/
- if ((op->parent->opcode == AML_REGION_OP) ||
- (op->parent->opcode == AML_CREATE_FIELD_OP) ||
- (op->parent->opcode == AML_CREATE_BIT_FIELD_OP) ||
- (op->parent->opcode == AML_CREATE_BYTE_FIELD_OP) ||
- (op->parent->opcode == AML_CREATE_WORD_FIELD_OP) ||
- (op->parent->opcode == AML_CREATE_DWORD_FIELD_OP) ||
- (op->parent->opcode == AML_CREATE_QWORD_FIELD_OP)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
- "Result used, [Region or Create_field] opcode=%X Op=%p\n",
- op->opcode, op));
- return_VALUE (TRUE);
+ 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)) {
+ /*
+ * These opcodes allow term_arg(s) as operands and therefore
+ * the operands can be method calls. The result is used.
+ */
+ goto result_used;
}
- ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
- "Result not used, Parent opcode=%X Op=%p\n", op->opcode, op));
+ goto result_not_used;
- return_VALUE (FALSE);
- break;
- /*
- * In all other cases. the parent will actually use the return
- * object, so keep it.
- */
default:
- break;
+
+ /*
+ * In all other cases. the parent will actually use the return
+ * object, so keep it.
+ */
+ 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));
+
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));
+
+ return_VALUE (FALSE);
+
}
/*******************************************************************************
*
- * FUNCTION: Acpi_ds_delete_result_if_not_used
+ * FUNCTION: acpi_ds_delete_result_if_not_used
*
* PARAMETERS: Op
- * Result_obj
- * Walk_state
+ * result_obj
+ * walk_state
*
* RETURN: Status
*
@@ -192,15 +219,15 @@
void
acpi_ds_delete_result_if_not_used (
- acpi_parse_object *op,
- acpi_operand_object *result_obj,
- acpi_walk_state *walk_state)
+ union acpi_parse_object *op,
+ union acpi_operand_object *result_obj,
+ struct acpi_walk_state *walk_state)
{
- acpi_operand_object *obj_desc;
- acpi_status status;
+ union acpi_operand_object *obj_desc;
+ acpi_status status;
- 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) {
@@ -215,7 +242,7 @@
if (!acpi_ds_is_result_used (op, walk_state)) {
/*
- * Must pop the result stack (Obj_desc should be equal to Result_obj)
+ * 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)) {
@@ -229,9 +256,89 @@
/*******************************************************************************
*
- * FUNCTION: Acpi_ds_create_operand
+ * FUNCTION: acpi_ds_resolve_operands
+ *
+ * PARAMETERS: walk_state - Current walk state with operands on stack
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Resolve all operands to their values. Used to prepare
+ * arguments to a control method invocation (a call from one
+ * method to another.)
+ *
+ ******************************************************************************/
+
+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);
+
+
+ /*
+ * Attempt to resolve each of the valid operands
+ * Method arguments are passed by value, not by reference
+ */
+ 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)) {
+ break;
+ }
+ }
+
+ return_ACPI_STATUS (status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_clear_operands
+ *
+ * PARAMETERS: walk_state - Current walk state with operands on stack
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Clear all operands on the current walk state operand stack.
+ *
+ ******************************************************************************/
+
+void
+acpi_ds_clear_operands (
+ struct acpi_walk_state *walk_state)
+{
+ u32 i;
+
+
+ ACPI_FUNCTION_TRACE_PTR ("acpi_ds_clear_operands", walk_state);
+
+
+ /*
+ * 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]);
+ walk_state->operands[i] = NULL;
+ }
+
+ walk_state->num_operands = 0;
+ return_VOID;
+}
+#endif
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_create_operand
*
- * PARAMETERS: Walk_state
+ * PARAMETERS: walk_state
* Arg
*
* RETURN: Status
@@ -245,34 +352,32 @@
acpi_status
acpi_ds_create_operand (
- acpi_walk_state *walk_state,
- acpi_parse_object *arg,
- u32 arg_index)
+ struct acpi_walk_state *walk_state,
+ union acpi_parse_object *arg,
+ u32 arg_index)
{
- acpi_status status = AE_OK;
- NATIVE_CHAR *name_string;
- u32 name_length;
- acpi_object_type8 data_type;
- acpi_operand_object *obj_desc;
- acpi_parse_object *parent_op;
- u16 opcode;
- u32 flags;
- operating_mode interpreter_mode;
- const acpi_opcode_info *op_info;
+ 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;
- 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 */
- if ((arg->opcode == AML_INT_NAMEPATH_OP) &&
- (arg->value.string)) {
+ 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));
/* Get the entire name string from the AML stream */
- status = acpi_ex_get_name_string (ACPI_TYPE_ANY, arg->value.buffer,
+ status = acpi_ex_get_name_string (ACPI_TYPE_ANY, arg->common.value.buffer,
&name_string, &name_length);
if (ACPI_FAILURE (status)) {
@@ -281,7 +386,7 @@
/*
* All prefixes have been handled, and the name is
- * in Name_string
+ * in name_string
*/
/*
@@ -290,46 +395,41 @@
* IMODE_EXECUTE) in order to support the creation of
* namespace objects during the execution of control methods.
*/
- parent_op = arg->parent;
- op_info = acpi_ps_get_opcode_info (parent_op->opcode);
+ 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->opcode != AML_INT_METHODCALL_OP) &&
- (parent_op->opcode != AML_REGION_OP) &&
- (parent_op->opcode != AML_INT_NAMEPATH_OP)) {
+ (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 = IMODE_LOAD_PASS2;
+ interpreter_mode = ACPI_IMODE_LOAD_PASS2;
}
else {
/* Return a failure if name not found */
- interpreter_mode = IMODE_EXECUTE;
+ interpreter_mode = ACPI_IMODE_EXECUTE;
}
status = acpi_ns_lookup (walk_state->scope_info, name_string,
ACPI_TYPE_ANY, interpreter_mode,
- NS_SEARCH_PARENT | NS_DONT_OPEN_SCOPE,
+ ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE,
walk_state,
- (acpi_namespace_node **) &obj_desc);
-
- /* Free the namestring created above */
-
- ACPI_MEM_FREE (name_string);
-
+ 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.
+ * error is for the cond_ref_of opcode.
*/
if (status == AE_NOT_FOUND) {
- if (parent_op->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_operand_object *) acpi_gbl_root_node;
+ obj_desc = ACPI_CAST_PTR (union acpi_operand_object, acpi_gbl_root_node);
status = AE_OK;
}
@@ -339,14 +439,17 @@
* very serious error at this point
*/
status = AE_AML_NAME_NOT_FOUND;
-
- /* TBD: Externalize Name_string and print */
-
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Object name was not found in namespace\n"));
}
}
+ if (ACPI_FAILURE (status)) {
+ ACPI_REPORT_NSERROR (name_string, status);
+ }
+
+ /* Free the namestring created above */
+
+ ACPI_MEM_FREE (name_string);
+
/* Check status from the lookup */
if (ACPI_FAILURE (status)) {
@@ -359,47 +462,42 @@
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
- DEBUGGER_EXEC (acpi_db_display_argument_object (obj_desc, walk_state));
+ ACPI_DEBUGGER_EXEC (acpi_db_display_argument_object (obj_desc, walk_state));
}
else {
/* Check for null name case */
- if (arg->opcode == AML_INT_NAMEPATH_OP) {
+ if (arg->common.aml_opcode == AML_INT_NAMEPATH_OP) {
/*
* If the name is null, this means that this is an
* optional result parameter that was not specified
- * in the original ASL. Create an Reference for a
- * placeholder
+ * 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! */
ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Null namepath: Arg=%p\n", arg));
-
- /*
- * TBD: [Investigate] anything else needed for the
- * zero op lvalue?
- */
}
else {
- opcode = arg->opcode;
+ opcode = arg->common.aml_opcode;
}
+ /* Get the object type of the argument */
- /* Get the data type of the argument */
-
- data_type = acpi_ds_map_opcode_to_data_type (opcode, &flags);
- if (data_type == INTERNAL_TYPE_INVALID) {
+ op_info = acpi_ps_get_opcode_info (opcode);
+ if (op_info->object_type == ACPI_TYPE_INVALID) {
return_ACPI_STATUS (AE_NOT_IMPLEMENTED);
}
- if (flags & OP_HAS_RETURN_VALUE) {
+ if (op_info->flags & AML_HAS_RETVAL) {
ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
"Argument previously created, already stacked \n"));
- 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
@@ -415,13 +513,11 @@
acpi_format_exception (status)));
return_ACPI_STATUS (status);
}
-
}
-
else {
/* Create an ACPI_INTERNAL_OBJECT for the argument */
- obj_desc = acpi_ut_create_internal_object (data_type);
+ obj_desc = acpi_ut_create_internal_object (op_info->object_type);
if (!obj_desc) {
return_ACPI_STATUS (AE_NO_MEMORY);
}
@@ -434,7 +530,7 @@
acpi_ut_delete_object_desc (obj_desc);
return_ACPI_STATUS (status);
}
- }
+ }
/* Put the operand object on the object stack */
@@ -443,7 +539,7 @@
return_ACPI_STATUS (status);
}
- 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);
@@ -452,9 +548,9 @@
/*******************************************************************************
*
- * FUNCTION: Acpi_ds_create_operands
+ * FUNCTION: acpi_ds_create_operands
*
- * PARAMETERS: First_arg - First argument of a parser argument tree
+ * PARAMETERS: first_arg - First argument of a parser argument tree
*
* RETURN: Status
*
@@ -466,15 +562,15 @@
acpi_status
acpi_ds_create_operands (
- acpi_walk_state *walk_state,
- acpi_parse_object *first_arg)
+ struct acpi_walk_state *walk_state,
+ union acpi_parse_object *first_arg)
{
- acpi_status status = AE_OK;
- acpi_parse_object *arg;
- u32 arg_count = 0;
+ acpi_status status = AE_OK;
+ union acpi_parse_object *arg;
+ u32 arg_count = 0;
- FUNCTION_TRACE_PTR ("Ds_create_operands", first_arg);
+ ACPI_FUNCTION_TRACE_PTR ("ds_create_operands", first_arg);
/* For all arguments in the list... */
@@ -491,7 +587,7 @@
/* Move on to next argument, if any */
- arg = arg->next;
+ arg = arg->common.next;
arg_count++;
}
@@ -504,7 +600,7 @@
* pop everything off of the operand stack and delete those
* objects
*/
- 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)));
@@ -512,307 +608,3 @@
}
-/*******************************************************************************
- *
- * FUNCTION: Acpi_ds_resolve_operands
- *
- * PARAMETERS: Walk_state - Current walk state with operands on stack
- *
- * RETURN: Status
- *
- * DESCRIPTION: Resolve all operands to their values. Used to prepare
- * arguments to a control method invocation (a call from one
- * method to another.)
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_resolve_operands (
- acpi_walk_state *walk_state)
-{
- u32 i;
- acpi_status status = AE_OK;
-
-
- FUNCTION_TRACE_PTR ("Ds_resolve_operands", walk_state);
-
-
- /*
- * Attempt to resolve each of the valid operands
- * Method arguments are passed by value, not by reference
- */
-
- /*
- * TBD: [Investigate] Note from previous parser:
- * Ref_of problem with Acpi_ex_resolve_to_value() conversion.
- */
- 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)) {
- break;
- }
- }
-
- return_ACPI_STATUS (status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: Acpi_ds_map_opcode_to_data_type
- *
- * PARAMETERS: Opcode - AML opcode to map
- * Out_flags - Additional info about the opcode
- *
- * RETURN: The ACPI type associated with the opcode
- *
- * DESCRIPTION: Convert a raw AML opcode to the associated ACPI data type,
- * if any. If the opcode returns a value as part of the
- * intepreter execution, a flag is returned in Out_flags.
- *
- ******************************************************************************/
-
-acpi_object_type8
-acpi_ds_map_opcode_to_data_type (
- u16 opcode,
- u32 *out_flags)
-{
- acpi_object_type8 data_type = INTERNAL_TYPE_INVALID;
- const acpi_opcode_info *op_info;
- u32 flags = 0;
-
-
- PROC_NAME ("Ds_map_opcode_to_data_type");
-
-
- op_info = acpi_ps_get_opcode_info (opcode);
- if (op_info->class == AML_CLASS_UNKNOWN) {
- /* Unknown opcode */
-
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown AML opcode: %x\n", opcode));
- return (data_type);
- }
-
-
-/*
- * TBD: Use op class
- */
-
- switch (op_info->type) {
-
- case AML_TYPE_LITERAL:
-
- switch (opcode) {
- case AML_BYTE_OP:
- case AML_WORD_OP:
- case AML_DWORD_OP:
- case AML_QWORD_OP:
-
- data_type = ACPI_TYPE_INTEGER;
- break;
-
-
- case AML_STRING_OP:
-
- data_type = ACPI_TYPE_STRING;
- break;
-
- case AML_INT_NAMEPATH_OP:
- data_type = INTERNAL_TYPE_REFERENCE;
- break;
-
- default:
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Unknown (type LITERAL) AML opcode: %x\n", opcode));
- break;
- }
- break;
-
-
- case AML_TYPE_DATA_TERM:
-
- switch (opcode) {
- case AML_BUFFER_OP:
-
- data_type = ACPI_TYPE_BUFFER;
- break;
-
- case AML_PACKAGE_OP:
- case AML_VAR_PACKAGE_OP:
-
- data_type = ACPI_TYPE_PACKAGE;
- break;
-
- default:
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Unknown (type DATA_TERM) AML opcode: %x\n", opcode));
- break;
- }
- break;
-
-
- case AML_TYPE_CONSTANT:
- case AML_TYPE_METHOD_ARGUMENT:
- case AML_TYPE_LOCAL_VARIABLE:
-
- data_type = INTERNAL_TYPE_REFERENCE;
- break;
-
-
- case AML_TYPE_EXEC_1A_0T_1R:
- case AML_TYPE_EXEC_1A_1T_1R:
- case AML_TYPE_EXEC_2A_0T_1R:
- case AML_TYPE_EXEC_2A_1T_1R:
- case AML_TYPE_EXEC_2A_2T_1R:
- case AML_TYPE_EXEC_3A_1T_1R:
- case AML_TYPE_EXEC_6A_0T_1R:
- case AML_TYPE_RETURN:
-
- flags = OP_HAS_RETURN_VALUE;
- data_type = ACPI_TYPE_ANY;
- break;
-
-
- case AML_TYPE_METHOD_CALL:
-
- flags = OP_HAS_RETURN_VALUE;
- data_type = ACPI_TYPE_METHOD;
- break;
-
-
- case AML_TYPE_NAMED_FIELD:
- case AML_TYPE_NAMED_SIMPLE:
- case AML_TYPE_NAMED_COMPLEX:
- case AML_TYPE_NAMED_NO_OBJ:
-
- data_type = acpi_ds_map_named_opcode_to_data_type (opcode);
- break;
-
-
- case AML_TYPE_EXEC_1A_0T_0R:
- case AML_TYPE_EXEC_2A_0T_0R:
- case AML_TYPE_EXEC_3A_0T_0R:
- case AML_TYPE_EXEC_1A_1T_0R:
- case AML_TYPE_CONTROL:
-
- /* No mapping needed at this time */
-
- break;
-
-
- default:
-
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Unimplemented data type opcode: %x\n", opcode));
- break;
- }
-
- /* Return flags to caller if requested */
-
- if (out_flags) {
- *out_flags = flags;
- }
-
- return (data_type);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: Acpi_ds_map_named_opcode_to_data_type
- *
- * PARAMETERS: Opcode - The Named AML opcode to map
- *
- * RETURN: The ACPI type associated with the named opcode
- *
- * DESCRIPTION: Convert a raw Named AML opcode to the associated data type.
- * Named opcodes are a subsystem of the AML opcodes.
- *
- ******************************************************************************/
-
-acpi_object_type8
-acpi_ds_map_named_opcode_to_data_type (
- u16 opcode)
-{
- acpi_object_type8 data_type;
-
-
- FUNCTION_ENTRY ();
-
-
- /* Decode Opcode */
-
- switch (opcode) {
- case AML_SCOPE_OP:
- data_type = INTERNAL_TYPE_SCOPE;
- break;
-
- case AML_DEVICE_OP:
- data_type = ACPI_TYPE_DEVICE;
- break;
-
- case AML_THERMAL_ZONE_OP:
- data_type = ACPI_TYPE_THERMAL;
- break;
-
- case AML_METHOD_OP:
- data_type = ACPI_TYPE_METHOD;
- break;
-
- case AML_POWER_RES_OP:
- data_type = ACPI_TYPE_POWER;
- break;
-
- case AML_PROCESSOR_OP:
- data_type = ACPI_TYPE_PROCESSOR;
- break;
-
- case AML_FIELD_OP: /* Field_op */
- data_type = INTERNAL_TYPE_FIELD_DEFN;
- break;
-
- case AML_INDEX_FIELD_OP: /* Index_field_op */
- data_type = INTERNAL_TYPE_INDEX_FIELD_DEFN;
- break;
-
- case AML_BANK_FIELD_OP: /* Bank_field_op */
- data_type = INTERNAL_TYPE_BANK_FIELD_DEFN;
- break;
-
- case AML_INT_NAMEDFIELD_OP: /* NO CASE IN ORIGINAL */
- data_type = ACPI_TYPE_ANY;
- break;
-
- case AML_NAME_OP: /* Name_op - special code in original */
- case AML_INT_NAMEPATH_OP:
- data_type = ACPI_TYPE_ANY;
- break;
-
- case AML_ALIAS_OP:
- data_type = INTERNAL_TYPE_ALIAS;
- break;
-
- case AML_MUTEX_OP:
- data_type = ACPI_TYPE_MUTEX;
- break;
-
- case AML_EVENT_OP:
- data_type = ACPI_TYPE_EVENT;
- break;
-
- case AML_DATA_REGION_OP:
- case AML_REGION_OP:
- data_type = ACPI_TYPE_REGION;
- break;
-
-
- default:
- data_type = ACPI_TYPE_ANY;
- break;
-
- }
-
- return (data_type);
-}
-
-
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)