summaryrefslogtreecommitdiffstats
path: root/drivers/acpi/dispatcher
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/acpi/dispatcher')
-rw-r--r--drivers/acpi/dispatcher/dsmethod.c3
-rw-r--r--drivers/acpi/dispatcher/dsmthdat.c83
-rw-r--r--drivers/acpi/dispatcher/dsobject.c62
-rw-r--r--drivers/acpi/dispatcher/dsopcode.c2
-rw-r--r--drivers/acpi/dispatcher/dswexec.c12
5 files changed, 94 insertions, 68 deletions
diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c
index 4613b9ca579..279a5a60a0d 100644
--- a/drivers/acpi/dispatcher/dsmethod.c
+++ b/drivers/acpi/dispatcher/dsmethod.c
@@ -103,6 +103,9 @@ acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state)
NULL);
acpi_ex_enter_interpreter();
}
+
+ acpi_ds_clear_implicit_return(walk_state);
+
#ifdef ACPI_DISASSEMBLER
if (ACPI_FAILURE(status)) {
diff --git a/drivers/acpi/dispatcher/dsmthdat.c b/drivers/acpi/dispatcher/dsmthdat.c
index 13c43eac35d..d03f81bd1bc 100644
--- a/drivers/acpi/dispatcher/dsmthdat.c
+++ b/drivers/acpi/dispatcher/dsmthdat.c
@@ -43,7 +43,6 @@
#include <acpi/acpi.h>
#include <acpi/acdispat.h>
-#include <acpi/amlcode.h>
#include <acpi/acnamesp.h>
#include <acpi/acinterp.h>
@@ -52,11 +51,11 @@ ACPI_MODULE_NAME("dsmthdat")
/* Local prototypes */
static void
-acpi_ds_method_data_delete_value(u16 opcode,
+acpi_ds_method_data_delete_value(u8 type,
u32 index, struct acpi_walk_state *walk_state);
static acpi_status
-acpi_ds_method_data_set_value(u16 opcode,
+acpi_ds_method_data_set_value(u8 type,
u32 index,
union acpi_operand_object *object,
struct acpi_walk_state *walk_state);
@@ -216,7 +215,7 @@ acpi_ds_method_data_init_args(union acpi_operand_object **params,
* Store the argument in the method/walk descriptor.
* Do not copy the arg in order to implement call by reference
*/
- status = acpi_ds_method_data_set_value(AML_ARG_OP, index,
+ status = acpi_ds_method_data_set_value(ACPI_REFCLASS_ARG, index,
params[index],
walk_state);
if (ACPI_FAILURE(status)) {
@@ -234,7 +233,8 @@ acpi_ds_method_data_init_args(union acpi_operand_object **params,
*
* FUNCTION: acpi_ds_method_data_get_node
*
- * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP
+ * PARAMETERS: Type - Either ACPI_REFCLASS_LOCAL or
+ * ACPI_REFCLASS_ARG
* Index - Which Local or Arg whose type to get
* walk_state - Current walk state object
* Node - Where the node is returned.
@@ -246,7 +246,7 @@ acpi_ds_method_data_init_args(union acpi_operand_object **params,
******************************************************************************/
acpi_status
-acpi_ds_method_data_get_node(u16 opcode,
+acpi_ds_method_data_get_node(u8 type,
u32 index,
struct acpi_walk_state *walk_state,
struct acpi_namespace_node **node)
@@ -256,8 +256,8 @@ acpi_ds_method_data_get_node(u16 opcode,
/*
* Method Locals and Arguments are supported
*/
- switch (opcode) {
- case AML_LOCAL_OP:
+ switch (type) {
+ case ACPI_REFCLASS_LOCAL:
if (index > ACPI_METHOD_MAX_LOCAL) {
ACPI_ERROR((AE_INFO,
@@ -271,7 +271,7 @@ acpi_ds_method_data_get_node(u16 opcode,
*node = &walk_state->local_variables[index];
break;
- case AML_ARG_OP:
+ case ACPI_REFCLASS_ARG:
if (index > ACPI_METHOD_MAX_ARG) {
ACPI_ERROR((AE_INFO,
@@ -286,8 +286,8 @@ acpi_ds_method_data_get_node(u16 opcode,
break;
default:
- ACPI_ERROR((AE_INFO, "Opcode %d is invalid", opcode));
- return_ACPI_STATUS(AE_AML_BAD_OPCODE);
+ ACPI_ERROR((AE_INFO, "Type %d is invalid", type));
+ return_ACPI_STATUS(AE_TYPE);
}
return_ACPI_STATUS(AE_OK);
@@ -297,7 +297,8 @@ acpi_ds_method_data_get_node(u16 opcode,
*
* FUNCTION: acpi_ds_method_data_set_value
*
- * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP
+ * PARAMETERS: Type - Either ACPI_REFCLASS_LOCAL or
+ * ACPI_REFCLASS_ARG
* Index - Which Local or Arg to get
* Object - Object to be inserted into the stack entry
* walk_state - Current walk state object
@@ -310,7 +311,7 @@ acpi_ds_method_data_get_node(u16 opcode,
******************************************************************************/
static acpi_status
-acpi_ds_method_data_set_value(u16 opcode,
+acpi_ds_method_data_set_value(u8 type,
u32 index,
union acpi_operand_object *object,
struct acpi_walk_state *walk_state)
@@ -321,13 +322,13 @@ acpi_ds_method_data_set_value(u16 opcode,
ACPI_FUNCTION_TRACE(ds_method_data_set_value);
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "NewObj %p Opcode %X, Refs=%d [%s]\n", object,
- opcode, object->common.reference_count,
+ "NewObj %p Type %2.2X, Refs=%d [%s]\n", object,
+ type, object->common.reference_count,
acpi_ut_get_type_name(object->common.type)));
/* Get the namespace node for the arg/local */
- status = acpi_ds_method_data_get_node(opcode, index, walk_state, &node);
+ status = acpi_ds_method_data_get_node(type, index, walk_state, &node);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
@@ -350,7 +351,8 @@ 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
+ * PARAMETERS: Type - Either ACPI_REFCLASS_LOCAL or
+ * ACPI_REFCLASS_ARG
* Index - Which local_var or argument to get
* walk_state - Current walk state object
* dest_desc - Where Arg or Local value is returned
@@ -363,7 +365,7 @@ acpi_ds_method_data_set_value(u16 opcode,
******************************************************************************/
acpi_status
-acpi_ds_method_data_get_value(u16 opcode,
+acpi_ds_method_data_get_value(u8 type,
u32 index,
struct acpi_walk_state *walk_state,
union acpi_operand_object **dest_desc)
@@ -383,7 +385,7 @@ acpi_ds_method_data_get_value(u16 opcode,
/* Get the namespace node for the arg/local */
- status = acpi_ds_method_data_get_node(opcode, index, walk_state, &node);
+ status = acpi_ds_method_data_get_node(type, index, walk_state, &node);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
@@ -419,8 +421,8 @@ acpi_ds_method_data_get_value(u16 opcode,
/* Otherwise, return the error */
else
- switch (opcode) {
- case AML_ARG_OP:
+ switch (type) {
+ case ACPI_REFCLASS_ARG:
ACPI_ERROR((AE_INFO,
"Uninitialized Arg[%d] at node %p",
@@ -428,7 +430,7 @@ acpi_ds_method_data_get_value(u16 opcode,
return_ACPI_STATUS(AE_AML_UNINITIALIZED_ARG);
- case AML_LOCAL_OP:
+ case ACPI_REFCLASS_LOCAL:
ACPI_ERROR((AE_INFO,
"Uninitialized Local[%d] at node %p",
@@ -437,9 +439,10 @@ acpi_ds_method_data_get_value(u16 opcode,
return_ACPI_STATUS(AE_AML_UNINITIALIZED_LOCAL);
default:
+
ACPI_ERROR((AE_INFO,
"Not a Arg/Local opcode: %X",
- opcode));
+ type));
return_ACPI_STATUS(AE_AML_INTERNAL);
}
}
@@ -458,7 +461,8 @@ 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
+ * PARAMETERS: Type - Either ACPI_REFCLASS_LOCAL or
+ * ACPI_REFCLASS_ARG
* Index - Which local_var or argument to delete
* walk_state - Current walk state object
*
@@ -470,7 +474,7 @@ acpi_ds_method_data_get_value(u16 opcode,
******************************************************************************/
static void
-acpi_ds_method_data_delete_value(u16 opcode,
+acpi_ds_method_data_delete_value(u8 type,
u32 index, struct acpi_walk_state *walk_state)
{
acpi_status status;
@@ -481,7 +485,7 @@ acpi_ds_method_data_delete_value(u16 opcode,
/* Get the namespace node for the arg/local */
- status = acpi_ds_method_data_get_node(opcode, index, walk_state, &node);
+ status = acpi_ds_method_data_get_node(type, index, walk_state, &node);
if (ACPI_FAILURE(status)) {
return_VOID;
}
@@ -514,7 +518,8 @@ acpi_ds_method_data_delete_value(u16 opcode,
*
* FUNCTION: acpi_ds_store_object_to_local
*
- * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP
+ * PARAMETERS: Type - Either ACPI_REFCLASS_LOCAL or
+ * ACPI_REFCLASS_ARG
* Index - Which Local or Arg to set
* obj_desc - Value to be stored
* walk_state - Current walk state
@@ -528,7 +533,7 @@ acpi_ds_method_data_delete_value(u16 opcode,
******************************************************************************/
acpi_status
-acpi_ds_store_object_to_local(u16 opcode,
+acpi_ds_store_object_to_local(u8 type,
u32 index,
union acpi_operand_object *obj_desc,
struct acpi_walk_state *walk_state)
@@ -539,8 +544,8 @@ acpi_ds_store_object_to_local(u16 opcode,
union acpi_operand_object *new_obj_desc;
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));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Type=%2.2X Index=%d Obj=%p\n",
+ type, index, obj_desc));
/* Parameter validation */
@@ -550,7 +555,7 @@ acpi_ds_store_object_to_local(u16 opcode,
/* Get the namespace node for the arg/local */
- status = acpi_ds_method_data_get_node(opcode, index, walk_state, &node);
+ status = acpi_ds_method_data_get_node(type, index, walk_state, &node);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
@@ -602,7 +607,7 @@ acpi_ds_store_object_to_local(u16 opcode,
*
* Weird, but true.
*/
- if (opcode == AML_ARG_OP) {
+ if (type == ACPI_REFCLASS_ARG) {
/*
* If we have a valid reference object that came from ref_of(),
* do the indirect store
@@ -611,8 +616,8 @@ acpi_ds_store_object_to_local(u16 opcode,
ACPI_DESC_TYPE_OPERAND)
&& (current_obj_desc->common.type ==
ACPI_TYPE_LOCAL_REFERENCE)
- && (current_obj_desc->reference.opcode ==
- AML_REF_OF_OP)) {
+ && (current_obj_desc->reference.class ==
+ ACPI_REFCLASS_REFOF)) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"Arg (%p) is an ObjRef(Node), storing in node %p\n",
new_obj_desc,
@@ -640,11 +645,9 @@ acpi_ds_store_object_to_local(u16 opcode,
}
}
- /*
- * Delete the existing object
- * before storing the new one
- */
- acpi_ds_method_data_delete_value(opcode, index, walk_state);
+ /* Delete the existing object before storing the new one */
+
+ acpi_ds_method_data_delete_value(type, index, walk_state);
}
/*
@@ -653,7 +656,7 @@ acpi_ds_store_object_to_local(u16 opcode,
* (increments the object reference count by one)
*/
status =
- acpi_ds_method_data_set_value(opcode, index, new_obj_desc,
+ acpi_ds_method_data_set_value(type, index, new_obj_desc,
walk_state);
/* Remove local reference if we copied the object above */
diff --git a/drivers/acpi/dispatcher/dsobject.c b/drivers/acpi/dispatcher/dsobject.c
index 0f280589921..4f08e599d07 100644
--- a/drivers/acpi/dispatcher/dsobject.c
+++ b/drivers/acpi/dispatcher/dsobject.c
@@ -731,54 +731,70 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
switch (op_info->type) {
case AML_TYPE_LOCAL_VARIABLE:
- /* Split the opcode into a base opcode + offset */
+ /* Local ID (0-7) is (AML opcode - base AML_LOCAL_OP) */
- obj_desc->reference.opcode = AML_LOCAL_OP;
- obj_desc->reference.offset = opcode - AML_LOCAL_OP;
+ obj_desc->reference.value = opcode - AML_LOCAL_OP;
+ obj_desc->reference.class = ACPI_REFCLASS_LOCAL;
#ifndef ACPI_NO_METHOD_EXECUTION
- status = acpi_ds_method_data_get_node(AML_LOCAL_OP,
- obj_desc->
- reference.offset,
- walk_state,
- (struct
- acpi_namespace_node
- **)&obj_desc->
- reference.object);
+ status =
+ acpi_ds_method_data_get_node(ACPI_REFCLASS_LOCAL,
+ obj_desc->reference.
+ value, walk_state,
+ ACPI_CAST_INDIRECT_PTR
+ (struct
+ acpi_namespace_node,
+ &obj_desc->reference.
+ object));
#endif
break;
case AML_TYPE_METHOD_ARGUMENT:
- /* Split the opcode into a base opcode + offset */
+ /* Arg ID (0-6) is (AML opcode - base AML_ARG_OP) */
- obj_desc->reference.opcode = AML_ARG_OP;
- obj_desc->reference.offset = opcode - AML_ARG_OP;
+ obj_desc->reference.value = opcode - AML_ARG_OP;
+ obj_desc->reference.class = ACPI_REFCLASS_ARG;
#ifndef ACPI_NO_METHOD_EXECUTION
- status = acpi_ds_method_data_get_node(AML_ARG_OP,
+ status = acpi_ds_method_data_get_node(ACPI_REFCLASS_ARG,
obj_desc->
- reference.offset,
+ reference.value,
walk_state,
+ ACPI_CAST_INDIRECT_PTR
(struct
- acpi_namespace_node
- **)&obj_desc->
- reference.object);
+ acpi_namespace_node,
+ &obj_desc->
+ reference.
+ object));
#endif
break;
- default: /* Other literals, etc.. */
+ default: /* Object name or Debug object */
- if (op->common.aml_opcode == AML_INT_NAMEPATH_OP) {
+ switch (op->common.aml_opcode) {
+ case AML_INT_NAMEPATH_OP:
/* Node was saved in Op */
obj_desc->reference.node = op->common.node;
obj_desc->reference.object =
op->common.node->object;
- }
+ obj_desc->reference.class = ACPI_REFCLASS_NAME;
+ break;
+
+ case AML_DEBUG_OP:
- obj_desc->reference.opcode = opcode;
+ obj_desc->reference.class = ACPI_REFCLASS_DEBUG;
+ break;
+
+ default:
+
+ ACPI_ERROR((AE_INFO,
+ "Unimplemented reference type for AML opcode: %4.4X",
+ opcode));
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ }
break;
}
break;
diff --git a/drivers/acpi/dispatcher/dsopcode.c b/drivers/acpi/dispatcher/dsopcode.c
index 6a81c4400ed..69fae5905bb 100644
--- a/drivers/acpi/dispatcher/dsopcode.c
+++ b/drivers/acpi/dispatcher/dsopcode.c
@@ -1330,7 +1330,7 @@ acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state,
(walk_state->results->results.obj_desc[0]) ==
ACPI_TYPE_LOCAL_REFERENCE)
&& ((walk_state->results->results.obj_desc[0])->
- reference.opcode != AML_INDEX_OP)) {
+ reference.class != ACPI_REFCLASS_INDEX)) {
status =
acpi_ex_resolve_to_value(&walk_state->
results->results.
diff --git a/drivers/acpi/dispatcher/dswexec.c b/drivers/acpi/dispatcher/dswexec.c
index b5072fa9c92..396fe12078c 100644
--- a/drivers/acpi/dispatcher/dswexec.c
+++ b/drivers/acpi/dispatcher/dswexec.c
@@ -166,6 +166,10 @@ acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state,
status = AE_CTRL_FALSE;
}
+ /* Predicate can be used for an implicit return value */
+
+ (void)acpi_ds_do_implicit_return(local_obj_desc, walk_state, TRUE);
+
cleanup:
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Completed a predicate eval=%X Op=%p\n",
@@ -429,10 +433,10 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
ACPI_TYPE_LOCAL_REFERENCE)
&& (walk_state->operands[1]->common.type ==
ACPI_TYPE_LOCAL_REFERENCE)
- && (walk_state->operands[0]->reference.opcode ==
- walk_state->operands[1]->reference.opcode)
- && (walk_state->operands[0]->reference.offset ==
- walk_state->operands[1]->reference.offset)) {
+ && (walk_state->operands[0]->reference.class ==
+ walk_state->operands[1]->reference.class)
+ && (walk_state->operands[0]->reference.value ==
+ walk_state->operands[1]->reference.value)) {
status = AE_OK;
} else {
ACPI_EXCEPTION((AE_INFO, status,
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-29 20:17:24 +0000