ACPI_STATUS
AcpiExStore (
ACPI_OPERAND_OBJECT *SourceDesc,
ACPI_OPERAND_OBJECT *DestDesc,
ACPI_WALK_STATE *WalkState)
{
ACPI_STATUS Status = AE_OK;
ACPI_OPERAND_OBJECT *RefDesc = DestDesc;
ACPI_FUNCTION_TRACE_PTR (ExStore, DestDesc);
/* Validate parameters */
if (!SourceDesc || !DestDesc)
{
ACPI_ERROR ((AE_INFO, "Null parameter"));
return_ACPI_STATUS (AE_AML_NO_OPERAND);
}
/* DestDesc can be either a namespace node or an ACPI object */
if (ACPI_GET_DESCRIPTOR_TYPE (DestDesc) == ACPI_DESC_TYPE_NAMED)
{
/*
* Dest is a namespace node,
* Storing an object into a Named node.
*/
Status = AcpiExStoreObjectToNode (SourceDesc,
(ACPI_NAMESPACE_NODE *) DestDesc, WalkState,
ACPI_IMPLICIT_CONVERSION);
return_ACPI_STATUS (Status);
}
/* Destination object must be a Reference or a Constant object */
switch (DestDesc->Common.Type)
{
case ACPI_TYPE_LOCAL_REFERENCE:
break;
case ACPI_TYPE_INTEGER:
/* Allow stores to Constants -- a Noop as per ACPI spec */
if (DestDesc->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]",
AcpiUtGetObjectTypeName (DestDesc), DestDesc));
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
}
/*
* Examine the Reference class. 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 (RefDesc->Reference.Class)
{
case ACPI_REFCLASS_REFOF:
/* Storing an object into a Name "container" */
Status = AcpiExStoreObjectToNode (SourceDesc,
RefDesc->Reference.Object,
WalkState, ACPI_IMPLICIT_CONVERSION);
break;
case ACPI_REFCLASS_INDEX:
/* Storing to an Index (pointer into a packager or buffer) */
Status = AcpiExStoreObjectToIndex (SourceDesc, RefDesc, WalkState);
break;
case ACPI_REFCLASS_LOCAL:
case ACPI_REFCLASS_ARG:
/* Store to a method local/arg */
Status = AcpiDsStoreObjectToLocal (RefDesc->Reference.Class,
RefDesc->Reference.Value, SourceDesc, WalkState);
break;
case ACPI_REFCLASS_DEBUG:
/*
* 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",
SourceDesc, AcpiUtGetObjectTypeName (SourceDesc)));
ACPI_DEBUG_OBJECT (SourceDesc, 0, 0);
break;
default:
ACPI_ERROR ((AE_INFO, "Unknown Reference Class 0x%2.2X",
RefDesc->Reference.Class));
ACPI_DUMP_ENTRY (RefDesc, ACPI_LV_INFO);
Status = AE_AML_INTERNAL;
break;
}
return_ACPI_STATUS (Status);
}
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);
}
static int
acpi_ex_dump_operand(char * buf, int maxlen, union acpi_operand_object *obj_desc, u32 depth)
{
u32 length;
int str_len = 0;
ACPI_FUNCTION_NAME(ex_dump_operand)
if (maxlen <= 0) {
return maxlen;
}
if (!obj_desc) {
/* This could be a null element of a package */
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Null Object Descriptor\n"));
return maxlen;
}
if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) == ACPI_DESC_TYPE_NAMED) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%p Namespace Node: ",
obj_desc));
ACPI_DUMP_ENTRY(obj_desc, ACPI_LV_EXEC);
return maxlen;
}
if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) != ACPI_DESC_TYPE_OPERAND) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"%p is not a node or operand object: [%s]\n",
obj_desc,
acpi_ut_get_descriptor_name(obj_desc)));
ACPI_DUMP_BUFFER(obj_desc, sizeof(union acpi_operand_object));
return maxlen;
}
/* obj_desc is a valid object */
if (depth > 0) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%*s[%u] %p ",
depth, " ", depth, obj_desc));
} else {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%p ", obj_desc));
}
/* Decode object type */
switch (obj_desc->common.type) {
#if 0
case ACPI_TYPE_LOCAL_REFERENCE:
//str_len += snprintf(buf + str_len, maxlen - str_len, "Reference: [%s] ",
// acpi_ut_get_reference_name(obj_desc));
switch (obj_desc->reference.class) {
case ACPI_REFCLASS_DEBUG:
str_len += snprintf(buf + str_len, maxlen - str_len, "\n");
break;
case ACPI_REFCLASS_INDEX:
str_len += snprintf(buf + str_len, maxlen - str_len, "%p\n", obj_desc->reference.object);
break;
case ACPI_REFCLASS_TABLE:
str_len += snprintf(buf + str_len, maxlen - str_len, "Table Index %X\n",
obj_desc->reference.value);
break;
case ACPI_REFCLASS_REFOF:
//str_len += snprintf(buf + str_len, maxlen - str_len, "%p [%s]\n", obj_desc->reference.object,
// acpi_ut_get_type_name(((union
// acpi_operand_object
// *)
// obj_desc->
// reference.
// object)->common.
// type));
break;
case ACPI_REFCLASS_NAME:
str_len += snprintf(buf + str_len, maxlen - str_len, "- [%4.4s]\n",
obj_desc->reference.node->name.ascii);
break;
case ACPI_REFCLASS_ARG:
case ACPI_REFCLASS_LOCAL:
str_len += snprintf(buf + str_len, maxlen - str_len, "%X\n", obj_desc->reference.value);
break;
default: /* Unknown reference class */
str_len += snprintf(buf + str_len, maxlen - str_len, "%2.2X\n", obj_desc->reference.class);
break;
}
break;
case ACPI_TYPE_BUFFER:
str_len += snprintf(buf + str_len, maxlen - str_len, "Buffer length %.2X @ %p\n",
obj_desc->buffer.length,
obj_desc->buffer.pointer);
/* Debug only -- dump the buffer contents */
if (obj_desc->buffer.pointer) {
length = obj_desc->buffer.length;
if (length > 128) {
length = 128;
}
str_len += snprintf(buf + str_len, maxlen - str_len,
"Buffer Contents: (displaying length 0x%.2X)\n",
length);
ACPI_DUMP_BUFFER(obj_desc->buffer.pointer, length);
}
break;
#endif
case ACPI_TYPE_INTEGER:
str_len += snprintf(buf + str_len, maxlen - str_len, "Integer %8.8X%8.8X\n",
ACPI_FORMAT_UINT64(obj_desc->integer.value));
break;
#if 0
case ACPI_TYPE_PACKAGE:
str_len += snprintf(buf + str_len, maxlen - str_len, "Package [Len %X] ElementArray %p\n",
obj_desc->package.count,
obj_desc->package.elements);
///*
// * If elements exist, package element pointer is valid,
// * and debug_level exceeds 1, dump package's elements.
// */
//if (obj_desc->package.count &&
// obj_desc->package.elements && acpi_dbg_level > 1) {
// for (index = 0; index < obj_desc->package.count; index++) {
// acpi_ex_dump_operand(obj_desc->package.
// elements[index],
// depth + 1);
// }
//}
break;
case ACPI_TYPE_REGION:
//str_len += snprintf(buf + str_len, maxlen - str_len, "Region %s (%X)",
// acpi_ut_get_region_name(obj_desc->region.
// space_id),
// obj_desc->region.space_id);
/*
* If the address and length have not been evaluated,
* don't print them.
*/
if (!(obj_desc->region.flags & AOPOBJ_DATA_VALID)) {
str_len += snprintf(buf + str_len, maxlen - str_len, "\n");
} else {
str_len += snprintf(buf + str_len, maxlen - str_len, " base %8.8X%8.8X Length %X\n",
ACPI_FORMAT_NATIVE_UINT(obj_desc->region.
address),
obj_desc->region.length);
}
break;
case ACPI_TYPE_STRING:
str_len += snprintf(buf + str_len, maxlen - str_len, "String length %X @ %p ",
obj_desc->string.length,
obj_desc->string.pointer);
//acpi_ut_print_string(obj_desc->string.pointer, ACPI_UINT8_MAX);
str_len += snprintf(buf + str_len, maxlen - str_len, "\n");
break;
case ACPI_TYPE_LOCAL_BANK_FIELD:
str_len += snprintf(buf + str_len, maxlen - str_len, "BankField\n");
break;
case ACPI_TYPE_LOCAL_REGION_FIELD:
str_len += snprintf(buf + str_len, maxlen - str_len,
"RegionField: Bits=%X AccWidth=%X Lock=%X Update=%X at "
"byte=%X bit=%X of below:\n", obj_desc->field.bit_length,
obj_desc->field.access_byte_width,
obj_desc->field.field_flags & AML_FIELD_LOCK_RULE_MASK,
obj_desc->field.field_flags & AML_FIELD_UPDATE_RULE_MASK,
obj_desc->field.base_byte_offset,
obj_desc->field.start_field_bit_offset);
//acpi_ex_dump_operand(obj_desc->field.region_obj, depth + 1);
break;
case ACPI_TYPE_LOCAL_INDEX_FIELD:
str_len += snprintf(buf + str_len, maxlen - str_len, "IndexField\n");
break;
case ACPI_TYPE_BUFFER_FIELD:
str_len += snprintf(buf + str_len, maxlen - str_len, "BufferField: %X bits at byte %X bit %X of\n",
obj_desc->buffer_field.bit_length,
obj_desc->buffer_field.base_byte_offset,
obj_desc->buffer_field.start_field_bit_offset);
if (!obj_desc->buffer_field.buffer_obj) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "*NULL*\n"));
} else if ((obj_desc->buffer_field.buffer_obj)->common.type !=
ACPI_TYPE_BUFFER) {
str_len += snprintf(buf + str_len, maxlen - str_len, "*not a Buffer*\n");
} else {
//acpi_ex_dump_operand(obj_desc->buffer_field.buffer_obj,
// depth + 1);
}
break;
case ACPI_TYPE_EVENT:
str_len += snprintf(buf + str_len, maxlen - str_len, "Event\n");
break;
case ACPI_TYPE_METHOD:
str_len += snprintf(buf + str_len, maxlen - str_len, "Method(%X) @ %p:%X\n",
obj_desc->method.param_count,
obj_desc->method.aml_start,
obj_desc->method.aml_length);
break;
case ACPI_TYPE_MUTEX:
str_len += snprintf(buf + str_len, maxlen - str_len, "Mutex\n");
break;
case ACPI_TYPE_DEVICE:
str_len += snprintf(buf + str_len, maxlen - str_len, "Device\n");
break;
case ACPI_TYPE_POWER:
str_len += snprintf(buf + str_len, maxlen - str_len, "Power\n");
break;
case ACPI_TYPE_PROCESSOR:
str_len += snprintf(buf + str_len, maxlen - str_len, "Processor\n");
break;
case ACPI_TYPE_THERMAL:
str_len += snprintf(buf + str_len, maxlen - str_len, "Thermal\n");
break;
#endif
default:
/* Unknown Type */
str_len += snprintf(buf + str_len, maxlen - str_len, "Unknown Type %X\n", obj_desc->common.type);
break;
}
return str_len;
}
void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
{
u32 length;
u32 index;
ACPI_FUNCTION_NAME(ex_dump_operand)
if (!
((ACPI_LV_EXEC & acpi_dbg_level)
&& (_COMPONENT & acpi_dbg_layer))) {
return;
}
if (!obj_desc) {
/* This could be a null element of a package */
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Null Object Descriptor\n"));
return;
}
if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) == ACPI_DESC_TYPE_NAMED) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%p Namespace Node: ",
obj_desc));
ACPI_DUMP_ENTRY(obj_desc, ACPI_LV_EXEC);
return;
}
if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) != ACPI_DESC_TYPE_OPERAND) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"%p is not a node or operand object: [%s]\n",
obj_desc,
acpi_ut_get_descriptor_name(obj_desc)));
ACPI_DUMP_BUFFER(obj_desc, sizeof(union acpi_operand_object));
return;
}
/* obj_desc is a valid object */
if (depth > 0) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%*s[%u] %p ",
depth, " ", depth, obj_desc));
} else {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%p ", obj_desc));
}
/* Decode object type */
switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
case ACPI_TYPE_LOCAL_REFERENCE:
switch (obj_desc->reference.opcode) {
case AML_DEBUG_OP:
acpi_os_printf("Reference: Debug\n");
break;
case AML_NAME_OP:
ACPI_DUMP_PATHNAME(obj_desc->reference.object,
"Reference: Name: ", ACPI_LV_INFO,
_COMPONENT);
ACPI_DUMP_ENTRY(obj_desc->reference.object,
ACPI_LV_INFO);
break;
case AML_INDEX_OP:
acpi_os_printf("Reference: Index %p\n",
obj_desc->reference.object);
break;
case AML_REF_OF_OP:
acpi_os_printf("Reference: (RefOf) %p\n",
obj_desc->reference.object);
break;
case AML_ARG_OP:
acpi_os_printf("Reference: Arg%d",
obj_desc->reference.offset);
if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
/* Value is an Integer */
acpi_os_printf(" value is [%8.8X%8.8x]",
ACPI_FORMAT_UINT64(obj_desc->
integer.
value));
}
acpi_os_printf("\n");
break;
case AML_LOCAL_OP:
acpi_os_printf("Reference: Local%d",
obj_desc->reference.offset);
if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
/* Value is an Integer */
acpi_os_printf(" value is [%8.8X%8.8x]",
ACPI_FORMAT_UINT64(obj_desc->
integer.
value));
}
acpi_os_printf("\n");
break;
case AML_INT_NAMEPATH_OP:
acpi_os_printf("Reference.Node->Name %X\n",
obj_desc->reference.node->name.integer);
break;
default:
/* Unknown opcode */
acpi_os_printf("Unknown Reference opcode=%X\n",
obj_desc->reference.opcode);
break;
}
break;
case ACPI_TYPE_BUFFER:
acpi_os_printf("Buffer len %X @ %p\n",
obj_desc->buffer.length,
obj_desc->buffer.pointer);
length = obj_desc->buffer.length;
if (length > 64) {
length = 64;
}
/* Debug only -- dump the buffer contents */
if (obj_desc->buffer.pointer) {
acpi_os_printf("Buffer Contents: ");
for (index = 0; index < length; index++) {
acpi_os_printf(" %02x",
obj_desc->buffer.pointer[index]);
}
acpi_os_printf("\n");
}
break;
case ACPI_TYPE_INTEGER:
acpi_os_printf("Integer %8.8X%8.8X\n",
ACPI_FORMAT_UINT64(obj_desc->integer.value));
break;
case ACPI_TYPE_PACKAGE:
acpi_os_printf("Package [Len %X] ElementArray %p\n",
obj_desc->package.count,
obj_desc->package.elements);
/*
* If elements exist, package element pointer is valid,
* and debug_level exceeds 1, dump package's elements.
*/
if (obj_desc->package.count &&
obj_desc->package.elements && acpi_dbg_level > 1) {
for (index = 0; index < obj_desc->package.count;
index++) {
acpi_ex_dump_operand(obj_desc->package.
elements[index],
depth + 1);
}
}
break;
case ACPI_TYPE_REGION:
acpi_os_printf("Region %s (%X)",
acpi_ut_get_region_name(obj_desc->region.
space_id),
obj_desc->region.space_id);
/*
* If the address and length have not been evaluated,
* don't print them.
*/
if (!(obj_desc->region.flags & AOPOBJ_DATA_VALID)) {
acpi_os_printf("\n");
} else {
acpi_os_printf(" base %8.8X%8.8X Length %X\n",
ACPI_FORMAT_UINT64(obj_desc->region.
address),
obj_desc->region.length);
}
break;
case ACPI_TYPE_STRING:
acpi_os_printf("String length %X @ %p ",
obj_desc->string.length,
obj_desc->string.pointer);
acpi_ut_print_string(obj_desc->string.pointer, ACPI_UINT8_MAX);
acpi_os_printf("\n");
break;
case ACPI_TYPE_LOCAL_BANK_FIELD:
acpi_os_printf("BankField\n");
break;
case ACPI_TYPE_LOCAL_REGION_FIELD:
acpi_os_printf
("RegionField: Bits=%X AccWidth=%X Lock=%X Update=%X at byte=%X bit=%X of below:\n",
obj_desc->field.bit_length,
obj_desc->field.access_byte_width,
obj_desc->field.field_flags & AML_FIELD_LOCK_RULE_MASK,
obj_desc->field.field_flags & AML_FIELD_UPDATE_RULE_MASK,
obj_desc->field.base_byte_offset,
obj_desc->field.start_field_bit_offset);
acpi_ex_dump_operand(obj_desc->field.region_obj, depth + 1);
break;
case ACPI_TYPE_LOCAL_INDEX_FIELD:
acpi_os_printf("IndexField\n");
break;
case ACPI_TYPE_BUFFER_FIELD:
acpi_os_printf("BufferField: %X bits at byte %X bit %X of\n",
obj_desc->buffer_field.bit_length,
obj_desc->buffer_field.base_byte_offset,
obj_desc->buffer_field.start_field_bit_offset);
if (!obj_desc->buffer_field.buffer_obj) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "*NULL*\n"));
} else
if (ACPI_GET_OBJECT_TYPE(obj_desc->buffer_field.buffer_obj)
!= ACPI_TYPE_BUFFER) {
acpi_os_printf("*not a Buffer*\n");
} else {
acpi_ex_dump_operand(obj_desc->buffer_field.buffer_obj,
depth + 1);
}
break;
case ACPI_TYPE_EVENT:
acpi_os_printf("Event\n");
break;
case ACPI_TYPE_METHOD:
acpi_os_printf("Method(%X) @ %p:%X\n",
obj_desc->method.param_count,
obj_desc->method.aml_start,
obj_desc->method.aml_length);
break;
case ACPI_TYPE_MUTEX:
acpi_os_printf("Mutex\n");
break;
case ACPI_TYPE_DEVICE:
acpi_os_printf("Device\n");
break;
case ACPI_TYPE_POWER:
acpi_os_printf("Power\n");
break;
case ACPI_TYPE_PROCESSOR:
acpi_os_printf("Processor\n");
break;
case ACPI_TYPE_THERMAL:
acpi_os_printf("Thermal\n");
break;
default:
/* Unknown Type */
acpi_os_printf("Unknown Type %X\n",
ACPI_GET_OBJECT_TYPE(obj_desc));
break;
}
return;
}
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);
}
