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path: root/drivers/acpi/dispatcher/dswload.c
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Diffstat (limited to 'drivers/acpi/dispatcher/dswload.c')
-rw-r--r--drivers/acpi/dispatcher/dswload.c270
1 files changed, 193 insertions, 77 deletions
diff --git a/drivers/acpi/dispatcher/dswload.c b/drivers/acpi/dispatcher/dswload.c
index 411731261c29..d3d24da31c81 100644
--- a/drivers/acpi/dispatcher/dswload.c
+++ b/drivers/acpi/dispatcher/dswload.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2005, R. Byron Moore
+ * Copyright (C) 2000 - 2006, R. Byron Moore
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -127,7 +127,7 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
char *path;
u32 flags;
- ACPI_FUNCTION_NAME("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,
@@ -138,14 +138,14 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
if (op) {
if (!(walk_state->op_info->flags & AML_NAMED)) {
*out_op = op;
- return (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
/* Check if this object has already been installed in the namespace */
if (op->common.node) {
*out_op = op;
- return (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
}
@@ -187,8 +187,8 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
}
#endif
if (ACPI_FAILURE(status)) {
- ACPI_REPORT_NSERROR(path, status);
- return (status);
+ ACPI_ERROR_NAMESPACE(path, status);
+ return_ACPI_STATUS(status);
}
/*
@@ -233,9 +233,11 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
/* All other types are an error */
- ACPI_REPORT_ERROR(("Invalid type (%s) for target of Scope operator [%4.4s] (Cannot override)\n", acpi_ut_get_type_name(node->type), path));
+ ACPI_ERROR((AE_INFO,
+ "Invalid type (%s) for target of Scope operator [%4.4s] (Cannot override)",
+ acpi_ut_get_type_name(node->type), path));
- return (AE_AML_OPERAND_TYPE);
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
break;
@@ -257,6 +259,7 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
* 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 */
@@ -265,6 +268,16 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
break;
}
+ /*
+ * If we are executing a method, do not create any namespace objects
+ * during the load phase, only during execution.
+ */
+ if (walk_state->method_node) {
+ node = NULL;
+ status = AE_OK;
+ break;
+ }
+
flags = ACPI_NS_NO_UPSEARCH;
if ((walk_state->opcode != AML_SCOPE_OP) &&
(!(walk_state->parse_flags & ACPI_PARSE_DEFERRED_OP))) {
@@ -289,8 +302,8 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
ACPI_IMODE_LOAD_PASS1, flags, walk_state,
&(node));
if (ACPI_FAILURE(status)) {
- ACPI_REPORT_NSERROR(path, status);
- return (status);
+ ACPI_ERROR_NAMESPACE(path, status);
+ return_ACPI_STATUS(status);
}
break;
}
@@ -302,28 +315,29 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
op = acpi_ps_alloc_op(walk_state->opcode);
if (!op) {
- return (AE_NO_MEMORY);
+ return_ACPI_STATUS(AE_NO_MEMORY);
}
}
- /* Initialize */
-
- op->named.name = node->name.integer;
+ /* Initialize the op */
#if (defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY))
- op->named.path = (u8 *) path;
+ op->named.path = ACPI_CAST_PTR(u8, path);
#endif
- /*
- * Put the Node in the "op" object that the parser uses, so we
- * can get it again quickly when this scope is closed
- */
- op->common.node = node;
+ if (node) {
+ /*
+ * Put the Node in the "op" object that the parser uses, so we
+ * can get it again quickly when this scope is closed
+ */
+ op->common.node = node;
+ op->named.name = node->name.integer;
+ }
+
acpi_ps_append_arg(acpi_ps_get_parent_scope(&walk_state->parser_state),
op);
-
*out_op = op;
- return (status);
+ return_ACPI_STATUS(status);
}
/*******************************************************************************
@@ -339,13 +353,13 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
*
******************************************************************************/
-acpi_status acpi_ds_load1_end_op(struct acpi_walk_state * walk_state)
+acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state)
{
union acpi_parse_object *op;
acpi_object_type object_type;
acpi_status status = AE_OK;
- ACPI_FUNCTION_NAME("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,
@@ -354,7 +368,7 @@ acpi_status acpi_ds_load1_end_op(struct acpi_walk_state * walk_state)
/* We are only interested in opcodes that have an associated name */
if (!(walk_state->op_info->flags & (AML_NAMED | AML_FIELD))) {
- return (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
/* Get the object type to determine if we should pop the scope */
@@ -363,21 +377,37 @@ acpi_status acpi_ds_load1_end_op(struct acpi_walk_state * walk_state)
#ifndef ACPI_NO_METHOD_EXECUTION
if (walk_state->op_info->flags & AML_FIELD) {
- if (walk_state->opcode == AML_FIELD_OP ||
- walk_state->opcode == AML_BANK_FIELD_OP ||
- walk_state->opcode == AML_INDEX_FIELD_OP) {
- status = acpi_ds_init_field_objects(op, walk_state);
+ /*
+ * If we are executing a method, do not create any namespace objects
+ * during the load phase, only during execution.
+ */
+ if (!walk_state->method_node) {
+ if (walk_state->opcode == AML_FIELD_OP ||
+ walk_state->opcode == AML_BANK_FIELD_OP ||
+ walk_state->opcode == AML_INDEX_FIELD_OP) {
+ status =
+ acpi_ds_init_field_objects(op, walk_state);
+ }
}
- return (status);
+ return_ACPI_STATUS(status);
}
- if (op->common.aml_opcode == AML_REGION_OP) {
- status = acpi_ex_create_region(op->named.data, op->named.length,
- (acpi_adr_space_type)
- ((op->common.value.arg)->common.
- value.integer), walk_state);
- if (ACPI_FAILURE(status)) {
- return (status);
+ /*
+ * If we are executing a method, do not create any namespace objects
+ * during the load phase, only during execution.
+ */
+ if (!walk_state->method_node) {
+ if (op->common.aml_opcode == AML_REGION_OP) {
+ status =
+ acpi_ex_create_region(op->named.data,
+ op->named.length,
+ (acpi_adr_space_type)
+ ((op->common.value.arg)->
+ common.value.integer),
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
}
}
#endif
@@ -391,47 +421,63 @@ acpi_status acpi_ds_load1_end_op(struct acpi_walk_state * walk_state)
common.
aml_opcode))->
object_type;
- op->common.node->type = (u8) object_type;
+
+ /* Set node type if we have a namespace node */
+
+ if (op->common.node) {
+ op->common.node->type = (u8) object_type;
+ }
}
}
- if (op->common.aml_opcode == AML_METHOD_OP) {
- /*
- * 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
- * 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",
- walk_state, op, op->named.node));
+ /*
+ * If we are executing a method, do not create any namespace objects
+ * during the load phase, only during execution.
+ */
+ if (!walk_state->method_node) {
+ if (op->common.aml_opcode == AML_METHOD_OP) {
+ /*
+ * 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
+ * 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",
+ walk_state, op, op->named.node));
- if (!acpi_ns_get_attached_object(op->named.node)) {
- walk_state->operands[0] = (void *)op->named.node;
- walk_state->num_operands = 1;
+ if (!acpi_ns_get_attached_object(op->named.node)) {
+ walk_state->operands[0] =
+ ACPI_CAST_PTR(void, op->named.node);
+ walk_state->num_operands = 1;
- status =
- acpi_ds_create_operands(walk_state,
- op->common.value.arg);
- if (ACPI_SUCCESS(status)) {
- status = acpi_ex_create_method(op->named.data,
- op->named.length,
- walk_state);
- }
- walk_state->operands[0] = NULL;
- walk_state->num_operands = 0;
+ status =
+ acpi_ds_create_operands(walk_state,
+ op->common.value.
+ arg);
+ if (ACPI_SUCCESS(status)) {
+ status =
+ acpi_ex_create_method(op->named.
+ data,
+ op->named.
+ length,
+ walk_state);
+ }
+ walk_state->operands[0] = NULL;
+ walk_state->num_operands = 0;
- if (ACPI_FAILURE(status)) {
- return (status);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
}
}
}
- /* Pop the scope stack */
+ /* Pop the scope stack (only if loading a table) */
- if (acpi_ns_opens_scope(object_type)) {
+ if (!walk_state->method_node && acpi_ns_opens_scope(object_type)) {
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
"(%s): Popping scope for Op %p\n",
acpi_ut_get_type_name(object_type), op));
@@ -439,7 +485,7 @@ acpi_status acpi_ds_load1_end_op(struct acpi_walk_state * walk_state)
status = acpi_ds_scope_stack_pop(walk_state);
}
- return (status);
+ return_ACPI_STATUS(status);
}
/*******************************************************************************
@@ -456,8 +502,8 @@ acpi_status acpi_ds_load1_end_op(struct acpi_walk_state * walk_state)
******************************************************************************/
acpi_status
-acpi_ds_load2_begin_op(struct acpi_walk_state * walk_state,
- union acpi_parse_object ** out_op)
+acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
+ union acpi_parse_object **out_op)
{
union acpi_parse_object *op;
struct acpi_namespace_node *node;
@@ -574,10 +620,10 @@ acpi_ds_load2_begin_op(struct acpi_walk_state * walk_state,
if (status == AE_NOT_FOUND) {
status = AE_OK;
} else {
- ACPI_REPORT_NSERROR(buffer_ptr, status);
+ ACPI_ERROR_NAMESPACE(buffer_ptr, status);
}
#else
- ACPI_REPORT_NSERROR(buffer_ptr, status);
+ ACPI_ERROR_NAMESPACE(buffer_ptr, status);
#endif
return_ACPI_STATUS(status);
}
@@ -607,7 +653,10 @@ acpi_ds_load2_begin_op(struct acpi_walk_state * walk_state,
* Scope (DEB) { ... }
*/
- ACPI_REPORT_WARNING(("Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)\n", buffer_ptr, acpi_ut_get_type_name(node->type)));
+ ACPI_WARNING((AE_INFO,
+ "Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)",
+ buffer_ptr,
+ acpi_ut_get_type_name(node->type)));
node->type = ACPI_TYPE_ANY;
walk_state->scope_info->common.value = ACPI_TYPE_ANY;
@@ -617,7 +666,10 @@ acpi_ds_load2_begin_op(struct acpi_walk_state * walk_state,
/* All other types are an error */
- ACPI_REPORT_ERROR(("Invalid type (%s) for target of Scope operator [%4.4s]\n", acpi_ut_get_type_name(node->type), buffer_ptr));
+ ACPI_ERROR((AE_INFO,
+ "Invalid type (%s) for target of Scope operator [%4.4s]",
+ acpi_ut_get_type_name(node->type),
+ buffer_ptr));
return (AE_AML_OPERAND_TYPE);
}
@@ -670,7 +722,7 @@ acpi_ds_load2_begin_op(struct acpi_walk_state * walk_state,
}
if (ACPI_FAILURE(status)) {
- ACPI_REPORT_NSERROR(buffer_ptr, status);
+ ACPI_ERROR_NAMESPACE(buffer_ptr, status);
return_ACPI_STATUS(status);
}
@@ -840,6 +892,13 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state)
case AML_TYPE_NAMED_FIELD:
+ /*
+ * If we are executing a method, initialize the field
+ */
+ if (walk_state->method_node) {
+ status = acpi_ds_init_field_objects(op, walk_state);
+ }
+
switch (op->common.aml_opcode) {
case AML_INDEX_FIELD_OP:
@@ -929,6 +988,24 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state)
switch (op->common.aml_opcode) {
#ifndef ACPI_NO_METHOD_EXECUTION
case AML_REGION_OP:
+
+ /*
+ * If we are executing a method, initialize the region
+ */
+ if (walk_state->method_node) {
+ status =
+ acpi_ex_create_region(op->named.data,
+ op->named.length,
+ (acpi_adr_space_type)
+ ((op->common.value.
+ arg)->common.value.
+ integer),
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ }
+
/*
* The op_region is not fully parsed at this time. Only valid
* argument is the space_id. (We must save the address of the
@@ -957,11 +1034,50 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state)
status = acpi_ds_create_node(walk_state, node, op);
break;
+
+ case AML_METHOD_OP:
+ /*
+ * 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
+ * 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",
+ walk_state, op, op->named.node));
+
+ if (!acpi_ns_get_attached_object(op->named.node)) {
+ walk_state->operands[0] =
+ ACPI_CAST_PTR(void, op->named.node);
+ walk_state->num_operands = 1;
+
+ status =
+ acpi_ds_create_operands(walk_state,
+ op->common.value.
+ arg);
+ if (ACPI_SUCCESS(status)) {
+ status =
+ acpi_ex_create_method(op->named.
+ data,
+ op->named.
+ length,
+ walk_state);
+ }
+ walk_state->operands[0] = NULL;
+ walk_state->num_operands = 0;
+
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+ break;
+
#endif /* ACPI_NO_METHOD_EXECUTION */
default:
/* All NAMED_COMPLEX opcodes must be handled above */
- /* Note: Method objects were already created in Pass 1 */
break;
}
break;
@@ -1004,7 +1120,7 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state)
*/
op->common.node = new_node;
} else {
- ACPI_REPORT_NSERROR(arg->common.value.string, status);
+ ACPI_ERROR_NAMESPACE(arg->common.value.string, status);
}
break;