acpi_status
acpi_ds_method_data_init_args (
acpi_operand_object **params,
u32 max_param_count,
acpi_walk_state *walk_state)
{
acpi_status status;
u32 mindex;
u32 pindex;
FUNCTION_TRACE_PTR ("Ds_method_data_init_args", params);
if (!params) {
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "No param list passed to method\n"));
return_ACPI_STATUS (AE_OK);
}
/* Copy passed parameters into the new method stack frame */
for (pindex = mindex = 0;
(mindex < MTH_NUM_ARGS) && (pindex < max_param_count);
mindex++) {
if (params[pindex]) {
/*
* A valid parameter.
* Set the current method argument to the
* Params[Pindex++] argument object descriptor
*/
status = acpi_ds_store_object_to_local (AML_ARG_OP, mindex,
params[pindex], walk_state);
if (ACPI_FAILURE (status)) {
break;
}
pindex++;
}
else {
break;
}
}
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "%d args passed to method\n", pindex));
return_ACPI_STATUS (AE_OK);
}
acpi_status
acpi_ex_store(union acpi_operand_object *source_desc,
union acpi_operand_object *dest_desc,
struct acpi_walk_state *walk_state)
{
acpi_status status = AE_OK;
union acpi_operand_object *ref_desc = dest_desc;
ACPI_FUNCTION_TRACE_PTR(ex_store, dest_desc);
/* Validate parameters */
if (!source_desc || !dest_desc) {
ACPI_ERROR((AE_INFO, "Null parameter"));
return_ACPI_STATUS(AE_AML_NO_OPERAND);
}
/* dest_desc can be either a namespace node or an ACPI object */
if (ACPI_GET_DESCRIPTOR_TYPE(dest_desc) == ACPI_DESC_TYPE_NAMED) {
/*
* Dest is a namespace node,
* Storing an object into a Named node.
*/
status = acpi_ex_store_object_to_node(source_desc,
(struct
acpi_namespace_node *)
dest_desc, walk_state,
ACPI_IMPLICIT_CONVERSION);
return_ACPI_STATUS(status);
}
/* Destination object must be a Reference or a Constant object */
switch (ACPI_GET_OBJECT_TYPE(dest_desc)) {
case ACPI_TYPE_LOCAL_REFERENCE:
break;
case ACPI_TYPE_INTEGER:
/* Allow stores to Constants -- a Noop as per ACPI spec */
if (dest_desc->common.flags & AOPOBJ_AML_CONSTANT) {
return_ACPI_STATUS(AE_OK);
}
/*lint -fallthrough */
default:
/* Destination is not a Reference object */
ACPI_ERROR((AE_INFO,
"Target is not a Reference or Constant object - %s [%p]",
acpi_ut_get_object_type_name(dest_desc),
dest_desc));
ACPI_DUMP_STACK_ENTRY(source_desc);
ACPI_DUMP_STACK_ENTRY(dest_desc);
ACPI_DUMP_OPERANDS(&dest_desc, ACPI_IMODE_EXECUTE, "ExStore",
2,
"Target is not a Reference or Constant object");
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
/*
* Examine the Reference opcode. These cases are handled:
*
* 1) Store to Name (Change the object associated with a name)
* 2) Store to an indexed area of a Buffer or Package
* 3) Store to a Method Local or Arg
* 4) Store to the debug object
*/
switch (ref_desc->reference.opcode) {
case AML_NAME_OP:
case AML_REF_OF_OP:
/* Storing an object into a Name "container" */
status = acpi_ex_store_object_to_node(source_desc,
ref_desc->reference.
object, walk_state,
ACPI_IMPLICIT_CONVERSION);
break;
case AML_INDEX_OP:
/* Storing to an Index (pointer into a packager or buffer) */
status =
acpi_ex_store_object_to_index(source_desc, ref_desc,
walk_state);
break;
case AML_LOCAL_OP:
case AML_ARG_OP:
/* Store to a method local/arg */
status =
acpi_ds_store_object_to_local(ref_desc->reference.opcode,
ref_desc->reference.offset,
source_desc, walk_state);
break;
case AML_DEBUG_OP:
/*
* Storing to the Debug object causes the value stored to be
* displayed and otherwise has no effect -- see ACPI Specification
*/
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"**** Write to Debug Object: Object %p %s ****:\n\n",
source_desc,
acpi_ut_get_object_type_name(source_desc)));
acpi_ex_do_debug_object(source_desc, 0, 0);
break;
default:
ACPI_ERROR((AE_INFO, "Unknown Reference opcode %X",
ref_desc->reference.opcode));
ACPI_DUMP_ENTRY(ref_desc, ACPI_LV_ERROR);
status = AE_AML_INTERNAL;
break;
}
return_ACPI_STATUS(status);
}
void
acpi_db_set_method_data (
NATIVE_CHAR *type_arg,
NATIVE_CHAR *index_arg,
NATIVE_CHAR *value_arg)
{
NATIVE_CHAR type;
u32 index;
u32 value;
acpi_walk_state *walk_state;
acpi_operand_object *obj_desc;
/* Validate Type_arg */
STRUPR (type_arg);
type = type_arg[0];
if ((type != 'L') &&
(type != 'A')) {
acpi_os_printf ("Invalid SET operand: %s\n", type_arg);
return;
}
/* Get the index and value */
index = STRTOUL (index_arg, NULL, 16);
value = STRTOUL (value_arg, NULL, 16);
walk_state = acpi_ds_get_current_walk_state (acpi_gbl_current_walk_list);
if (!walk_state) {
acpi_os_printf ("There is no method currently executing\n");
return;
}
/* Create and initialize the new object */
obj_desc = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER);
if (!obj_desc) {
acpi_os_printf ("Could not create an internal object\n");
return;
}
obj_desc->integer.value = value;
/* Store the new object into the target */
switch (type) {
case 'A':
/* Set a method argument */
if (index > MTH_NUM_ARGS) {
acpi_os_printf ("Arg%d - Invalid argument name\n", index);
return;
}
acpi_ds_store_object_to_local (AML_ARG_OP, index, obj_desc, walk_state);
obj_desc = walk_state->arguments[index].object;
acpi_os_printf ("Arg%d: ", index);
acpi_db_display_internal_object (obj_desc, walk_state);
break;
case 'L':
/* Set a method local */
if (index > MTH_NUM_LOCALS) {
acpi_os_printf ("Local%d - Invalid local variable name\n", index);
return;
}
acpi_ds_store_object_to_local (AML_LOCAL_OP, index, obj_desc, walk_state);
obj_desc = walk_state->local_variables[index].object;
acpi_os_printf ("Local%d: ", index);
acpi_db_display_internal_object (obj_desc, walk_state);
break;
default:
break;
}
}
acpi_status
acpi_ex_store (
union acpi_operand_object *source_desc,
union acpi_operand_object *dest_desc,
struct acpi_walk_state *walk_state)
{
acpi_status status = AE_OK;
union acpi_operand_object *ref_desc = dest_desc;
ACPI_FUNCTION_TRACE_PTR ("ex_store", dest_desc);
/* Validate parameters */
if (!source_desc || !dest_desc) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null parameter\n"));
return_ACPI_STATUS (AE_AML_NO_OPERAND);
}
/* dest_desc can be either a namespace node or an ACPI object */
if (ACPI_GET_DESCRIPTOR_TYPE (dest_desc) == ACPI_DESC_TYPE_NAMED) {
/*
* Dest is a namespace node,
* Storing an object into a Named node.
*/
status = acpi_ex_store_object_to_node (source_desc,
(struct acpi_namespace_node *) dest_desc, walk_state,
ACPI_IMPLICIT_CONVERSION);
return_ACPI_STATUS (status);
}
/* Destination object must be a Reference or a Constant object */
switch (ACPI_GET_OBJECT_TYPE (dest_desc)) {
case ACPI_TYPE_LOCAL_REFERENCE:
break;
case ACPI_TYPE_INTEGER:
/* Allow stores to Constants -- a Noop as per ACPI spec */
if (dest_desc->common.flags & AOPOBJ_AML_CONSTANT) {
return_ACPI_STATUS (AE_OK);
}
/*lint -fallthrough */
default:
/* Destination is not a Reference object */
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Target is not a Reference or Constant object - %s [%p]\n",
acpi_ut_get_object_type_name (dest_desc), dest_desc));
ACPI_DUMP_STACK_ENTRY (source_desc);
ACPI_DUMP_STACK_ENTRY (dest_desc);
ACPI_DUMP_OPERANDS (&dest_desc, ACPI_IMODE_EXECUTE, "ex_store",
2, "Target is not a Reference or Constant object");
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
}
/*
* Examine the Reference opcode. These cases are handled:
*
* 1) Store to Name (Change the object associated with a name)
* 2) Store to an indexed area of a Buffer or Package
* 3) Store to a Method Local or Arg
* 4) Store to the debug object
*/
switch (ref_desc->reference.opcode) {
case AML_NAME_OP:
case AML_REF_OF_OP:
/* Storing an object into a Name "container" */
status = acpi_ex_store_object_to_node (source_desc, ref_desc->reference.object,
walk_state, ACPI_IMPLICIT_CONVERSION);
break;
case AML_INDEX_OP:
/* Storing to an Index (pointer into a packager or buffer) */
status = acpi_ex_store_object_to_index (source_desc, ref_desc, walk_state);
break;
case AML_LOCAL_OP:
case AML_ARG_OP:
/* Store to a method local/arg */
status = acpi_ds_store_object_to_local (ref_desc->reference.opcode,
ref_desc->reference.offset, source_desc, walk_state);
break;
case AML_DEBUG_OP:
/*
* Storing to the Debug object causes the value stored to be
* displayed and otherwise has no effect -- see ACPI Specification
*/
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
"**** Write to Debug Object: Object %p %s ****:\n\n",
source_desc, acpi_ut_get_object_type_name (source_desc)));
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[ACPI Debug] %s: ",
acpi_ut_get_object_type_name (source_desc)));
if (!acpi_ut_valid_internal_object (source_desc)) {
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT,
"%p, Invalid Internal Object!\n", source_desc));
break;
}
switch (ACPI_GET_OBJECT_TYPE (source_desc)) {
case ACPI_TYPE_INTEGER:
if (acpi_gbl_integer_byte_width == 4) {
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "0x%8.8X\n",
(u32) source_desc->integer.value));
}
else {
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "0x%8.8X%8.8X\n",
ACPI_FORMAT_UINT64 (source_desc->integer.value)));
}
break;
case ACPI_TYPE_BUFFER:
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X]",
(u32) source_desc->buffer.length));
ACPI_DUMP_BUFFER (source_desc->buffer.pointer,
(source_desc->buffer.length < 32) ? source_desc->buffer.length : 32);
break;
case ACPI_TYPE_STRING:
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X] \"%s\"\n",
source_desc->string.length, source_desc->string.pointer));
break;
case ACPI_TYPE_PACKAGE:
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X] Elements Ptr - %p\n",
source_desc->package.count, source_desc->package.elements));
break;
default:
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%p\n",
source_desc));
break;
}
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, "\n"));
break;
default:
ACPI_REPORT_ERROR (("ex_store: Unknown Reference opcode %X\n",
ref_desc->reference.opcode));
ACPI_DUMP_ENTRY (ref_desc, ACPI_LV_ERROR);
status = AE_AML_INTERNAL;
break;
}
return_ACPI_STATUS (status);
}
