*****************************************************************************/
/*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
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,
if (status == AE_NOT_FOUND) {
/*
* Table disassembly:
- * Target of Scope() not found. Generate an External for it, and
+ * 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)) {
* one of the opcodes that actually opens a scope
*/
switch (node->type) {
+ case ACPI_TYPE_ANY:
case ACPI_TYPE_LOCAL_SCOPE: /* Scope */
case ACPI_TYPE_DEVICE:
case ACPI_TYPE_POWER:
case ACPI_TYPE_BUFFER:
/*
- * These types we will allow, but we will change the type. This
+ * These types we will allow, but we will change the type. This
* enables some existing code of the form:
*
* Name (DEB, 0)
* Scope (DEB) { ... }
*
- * Note: silently change the type here. On the second pass, we will report
+ * Note: silently change the type here. On the second pass, we will report
* a warning
*/
-
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)\n",
path,
break;
default:
-
/*
* For all other named opcodes, we will enter the name into
* the namespace.
* buffer_field, or Package), the name of the object is already
* in the namespace.
*/
-
if (walk_state->deferred_node) {
+
/* This name is already in the namespace, get the node */
node = walk_state->deferred_node;
}
/*
- * Enter the named type into the internal namespace. We enter the name
- * as we go downward in the parse tree. Any necessary subobjects that
+ * Enter the named type into the internal namespace. We enter the name
+ * as we go downward in the parse tree. Any necessary subobjects that
* involve arguments to the opcode must be created as we go back up the
* parse tree later.
*/
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;
}
/* Common exit */
if (!op) {
+
/* Create a new op */
op = acpi_ps_alloc_op(walk_state->opcode);
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,
status =
acpi_ex_create_region(op->named.data,
op->named.length,
- (acpi_adr_space_type)
- ((op->common.value.arg)->
- common.value.integer),
+ (acpi_adr_space_type) ((op->
+ common.
+ value.
+ arg)->
+ common.
+ value.
+ integer),
walk_state);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
#endif
if (op->common.aml_opcode == AML_NAME_OP) {
+
/* For Name opcode, get the object type from the argument */
if (op->common.value.arg) {
* method_op pkg_length name_string method_flags term_list
*
* Note: We must create the method node/object pair as soon as we
- * see the method declaration. This allows later pass1 parsing
+ * see the method declaration. This allows later pass1 parsing
* of invocations of the method (need to know the number of
* 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)) {
length,
walk_state);
}
+
walk_state->operands[0] = NULL;
walk_state->num_operands = 0;
acpi_status status;
acpi_object_type object_type;
char *buffer_ptr;
+ u32 flags;
- 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,
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);
#ifdef ACPI_ENABLE_MODULE_LEVEL_CODE
if ((walk_state->op_info->class == AML_CLASS_EXECUTE) ||
(walk_state->op_info->class == AML_CLASS_CONTROL)) {
-
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
"Begin/EXEC: %s (fl %8.8X)\n",
walk_state->op_info->name,
/* 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);
} else {
/* Get name from the op */
- buffer_ptr = (char *)&op->named.name;
+ buffer_ptr = ACPI_CAST_PTR(char, &op->named.name);
}
} else {
/* Get the namestring from the raw AML */
break;
case AML_INT_NAMEPATH_OP:
-
/*
* The name_path is an object reference to an existing object.
* Don't enter the name into the namespace, but look it up
break;
case AML_SCOPE_OP:
-
/*
* The Path is an object reference to an existing object.
* Don't enter the name into the namespace, but look it up
#endif
return_ACPI_STATUS(status);
}
+
/*
* We must check to make sure that the target is
* one of the opcodes that actually opens a scope
*/
switch (node->type) {
+ case ACPI_TYPE_ANY:
case ACPI_TYPE_LOCAL_SCOPE: /* Scope */
case ACPI_TYPE_DEVICE:
case ACPI_TYPE_POWER:
case ACPI_TYPE_BUFFER:
/*
- * These types we will allow, but we will change the type. This
+ * These types we will allow, but we will change the type. This
* enables some existing code of the form:
*
* Name (DEB, 0)
* Scope (DEB) { ... }
*/
-
ACPI_WARNING((AE_INFO,
"Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)",
buffer_ptr,
/* All other opcodes */
if (op && op->common.node) {
+
/* This op/node was previously entered into the namespace */
node = op->common.node;
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
-
}
+
return_ACPI_STATUS(AE_OK);
}
/*
- * Enter the named type into the internal namespace. We enter the name
- * as we go downward in the parse tree. Any necessary subobjects that
+ * Enter the named type into the internal namespace. We enter the name
+ * as we go downward in the parse tree. Any necessary subobjects that
* involve arguments to the opcode must be created as we go back up the
* parse tree later.
*
* 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;
break;
}
- /* Add new entry into namespace */
+ flags = ACPI_NS_NO_UPSEARCH;
+ if (walk_state->pass_number == ACPI_IMODE_EXECUTE) {
+
+ /* Execution mode, node cannot already exist, node is temporary */
+
+ flags |= (ACPI_NS_ERROR_IF_FOUND | ACPI_NS_TEMPORARY);
+ }
+
+ /* Add new entry or lookup existing entry */
status =
acpi_ns_lookup(walk_state->scope_info, buffer_ptr,
- object_type, ACPI_IMODE_LOAD_PASS2,
- ACPI_NS_NO_UPSEARCH, walk_state, &(node));
+ object_type, ACPI_IMODE_LOAD_PASS2, flags,
+ walk_state, &node);
break;
}
}
if (!op) {
+
/* Create a new op */
op = acpi_ps_alloc_op(walk_state->opcode);
* can get it again quickly when this scope is closed
*/
op->common.node = node;
-
return_ACPI_STATUS(status);
}
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",
*/
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));
#ifndef ACPI_NO_METHOD_EXECUTION
case AML_TYPE_CREATE_FIELD:
-
/*
* Create the field object, but the field buffer and index must
* be evaluated later during the execution phase
break;
case AML_TYPE_NAMED_FIELD:
-
/*
* If we are executing a method, initialize the field
*/
* argument is the space_id. (We must save the address of the
* AML of the address and length operands)
*/
+
/*
* If we have a valid region, initialize it
* Namespace is NOT locked at this point.
* method_op pkg_length name_string method_flags term_list
*
* Note: We must create the method node/object pair as soon as we
- * see the method declaration. This allows later pass1 parsing
+ * see the method declaration. This allows later pass1 parsing
* of invocations of the method (need to know the number of
* 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)) {
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));
/*
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
git.samba.org / sfrench / cifs-2.6.git / blobdiff