| /****************************************************************************** |
| * |
| * Module Name: dsobject - Dispatcher object management routines |
| * |
| *****************************************************************************/ |
| |
| /* |
| * Copyright (C) 2000 - 2007, R. Byron Moore |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions, and the following disclaimer, |
| * without modification. |
| * 2. Redistributions in binary form must reproduce at minimum a disclaimer |
| * substantially similar to the "NO WARRANTY" disclaimer below |
| * ("Disclaimer") and any redistribution must be conditioned upon |
| * including a substantially similar Disclaimer requirement for further |
| * binary redistribution. |
| * 3. Neither the names of the above-listed copyright holders nor the names |
| * of any contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * Alternatively, this software may be distributed under the terms of the |
| * GNU General Public License ("GPL") version 2 as published by the Free |
| * Software Foundation. |
| * |
| * NO WARRANTY |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
| * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGES. |
| */ |
| |
| #include <acpi/acpi.h> |
| #include <acpi/acparser.h> |
| #include <acpi/amlcode.h> |
| #include <acpi/acdispat.h> |
| #include <acpi/acnamesp.h> |
| #include <acpi/acinterp.h> |
| |
| #define _COMPONENT ACPI_DISPATCHER |
| ACPI_MODULE_NAME("dsobject") |
| |
| /* Local prototypes */ |
| static acpi_status |
| acpi_ds_build_internal_object(struct acpi_walk_state *walk_state, |
| union acpi_parse_object *op, |
| union acpi_operand_object **obj_desc_ptr); |
| |
| #ifndef ACPI_NO_METHOD_EXECUTION |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_ds_build_internal_object |
| * |
| * PARAMETERS: walk_state - Current walk state |
| * Op - Parser object to be translated |
| * obj_desc_ptr - Where the ACPI internal object is returned |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Translate a parser Op object to the equivalent namespace object |
| * Simple objects are any objects other than a package object! |
| * |
| ******************************************************************************/ |
| |
| static acpi_status |
| acpi_ds_build_internal_object(struct acpi_walk_state *walk_state, |
| union acpi_parse_object *op, |
| union acpi_operand_object **obj_desc_ptr) |
| { |
| union acpi_operand_object *obj_desc; |
| acpi_status status; |
| |
| ACPI_FUNCTION_TRACE(ds_build_internal_object); |
| |
| *obj_desc_ptr = NULL; |
| if (op->common.aml_opcode == AML_INT_NAMEPATH_OP) { |
| /* |
| * This is a named object reference. If this name was |
| * previously looked up in the namespace, it was stored in this op. |
| * Otherwise, go ahead and look it up now |
| */ |
| if (!op->common.node) { |
| status = acpi_ns_lookup(walk_state->scope_info, |
| op->common.value.string, |
| ACPI_TYPE_ANY, |
| ACPI_IMODE_EXECUTE, |
| ACPI_NS_SEARCH_PARENT | |
| ACPI_NS_DONT_OPEN_SCOPE, NULL, |
| ACPI_CAST_INDIRECT_PTR(struct |
| acpi_namespace_node, |
| &(op-> |
| common. |
| node))); |
| if (ACPI_FAILURE(status)) { |
| |
| /* Check if we are resolving a named reference within a package */ |
| |
| if ((status == AE_NOT_FOUND) |
| && (acpi_gbl_enable_interpreter_slack) |
| && |
| ((op->common.parent->common.aml_opcode == |
| AML_PACKAGE_OP) |
| || (op->common.parent->common.aml_opcode == |
| AML_VAR_PACKAGE_OP))) { |
| /* |
| * We didn't find the target and we are populating elements |
| * of a package - ignore if slack enabled. Some ASL code |
| * contains dangling invalid references in packages and |
| * expects that no exception will be issued. Leave the |
| * element as a null element. It cannot be used, but it |
| * can be overwritten by subsequent ASL code - this is |
| * typically the case. |
| */ |
| ACPI_DEBUG_PRINT((ACPI_DB_INFO, |
| "Ignoring unresolved reference in package [%4.4s]\n", |
| walk_state-> |
| scope_info->scope. |
| node->name.ascii)); |
| |
| return_ACPI_STATUS(AE_OK); |
| } else { |
| ACPI_ERROR_NAMESPACE(op->common.value. |
| string, status); |
| } |
| |
| return_ACPI_STATUS(status); |
| } |
| } |
| |
| /* Special object resolution for elements of a package */ |
| |
| if ((op->common.parent->common.aml_opcode == AML_PACKAGE_OP) || |
| (op->common.parent->common.aml_opcode == |
| AML_VAR_PACKAGE_OP)) { |
| /* |
| * Attempt to resolve the node to a value before we insert it into |
| * the package. If this is a reference to a common data type, |
| * resolve it immediately. According to the ACPI spec, package |
| * elements can only be "data objects" or method references. |
| * Attempt to resolve to an Integer, Buffer, String or Package. |
| * If cannot, return the named reference (for things like Devices, |
| * Methods, etc.) Buffer Fields and Fields will resolve to simple |
| * objects (int/buf/str/pkg). |
| * |
| * NOTE: References to things like Devices, Methods, Mutexes, etc. |
| * will remain as named references. This behavior is not described |
| * in the ACPI spec, but it appears to be an oversight. |
| */ |
| obj_desc = |
| ACPI_CAST_PTR(union acpi_operand_object, |
| op->common.node); |
| |
| status = |
| acpi_ex_resolve_node_to_value(ACPI_CAST_INDIRECT_PTR |
| (struct |
| acpi_namespace_node, |
| &obj_desc), |
| walk_state); |
| if (ACPI_FAILURE(status)) { |
| return_ACPI_STATUS(status); |
| } |
| |
| switch (op->common.node->type) { |
| /* |
| * For these types, we need the actual node, not the subobject. |
| * However, the subobject did not get an extra reference count above. |
| * |
| * TBD: should ex_resolve_node_to_value be changed to fix this? |
| */ |
| case ACPI_TYPE_DEVICE: |
| case ACPI_TYPE_THERMAL: |
| |
| acpi_ut_add_reference(op->common.node->object); |
| |
| /*lint -fallthrough */ |
| /* |
| * For these types, we need the actual node, not the subobject. |
| * The subobject got an extra reference count in ex_resolve_node_to_value. |
| */ |
| case ACPI_TYPE_MUTEX: |
| case ACPI_TYPE_METHOD: |
| case ACPI_TYPE_POWER: |
| case ACPI_TYPE_PROCESSOR: |
| case ACPI_TYPE_EVENT: |
| case ACPI_TYPE_REGION: |
| |
| /* We will create a reference object for these types below */ |
| break; |
| |
| default: |
| /* |
| * All other types - the node was resolved to an actual |
| * object, we are done. |
| */ |
| goto exit; |
| } |
| } |
| } |
| |
| /* Create and init a new internal ACPI object */ |
| |
| obj_desc = acpi_ut_create_internal_object((acpi_ps_get_opcode_info |
| (op->common.aml_opcode))-> |
| object_type); |
| if (!obj_desc) { |
| return_ACPI_STATUS(AE_NO_MEMORY); |
| } |
| |
| status = |
| acpi_ds_init_object_from_op(walk_state, op, op->common.aml_opcode, |
| &obj_desc); |
| if (ACPI_FAILURE(status)) { |
| acpi_ut_remove_reference(obj_desc); |
| return_ACPI_STATUS(status); |
| } |
| |
| exit: |
| *obj_desc_ptr = obj_desc; |
| return_ACPI_STATUS(status); |
| } |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_ds_build_internal_buffer_obj |
| * |
| * PARAMETERS: walk_state - Current walk state |
| * Op - Parser object to be translated |
| * buffer_length - Length of the buffer |
| * obj_desc_ptr - Where the ACPI internal object is returned |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Translate a parser Op package object to the equivalent |
| * namespace object |
| * |
| ******************************************************************************/ |
| |
| acpi_status |
| acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state, |
| union acpi_parse_object *op, |
| u32 buffer_length, |
| union acpi_operand_object **obj_desc_ptr) |
| { |
| union acpi_parse_object *arg; |
| union acpi_operand_object *obj_desc; |
| union acpi_parse_object *byte_list; |
| u32 byte_list_length = 0; |
| |
| ACPI_FUNCTION_TRACE(ds_build_internal_buffer_obj); |
| |
| /* |
| * If we are evaluating a Named buffer object "Name (xxxx, Buffer)". |
| * The buffer object already exists (from the NS node), otherwise it must |
| * be created. |
| */ |
| obj_desc = *obj_desc_ptr; |
| if (!obj_desc) { |
| |
| /* Create a new buffer object */ |
| |
| obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_BUFFER); |
| *obj_desc_ptr = obj_desc; |
| if (!obj_desc) { |
| return_ACPI_STATUS(AE_NO_MEMORY); |
| } |
| } |
| |
| /* |
| * Second arg is the buffer data (optional) byte_list can be either |
| * individual bytes or a string initializer. In either case, a |
| * byte_list appears in the AML. |
| */ |
| arg = op->common.value.arg; /* skip first arg */ |
| |
| byte_list = arg->named.next; |
| if (byte_list) { |
| if (byte_list->common.aml_opcode != AML_INT_BYTELIST_OP) { |
| ACPI_ERROR((AE_INFO, |
| "Expecting bytelist, got AML opcode %X in op %p", |
| byte_list->common.aml_opcode, byte_list)); |
| |
| acpi_ut_remove_reference(obj_desc); |
| return (AE_TYPE); |
| } |
| |
| byte_list_length = (u32) byte_list->common.value.integer; |
| } |
| |
| /* |
| * The buffer length (number of bytes) will be the larger of: |
| * 1) The specified buffer length and |
| * 2) The length of the initializer byte list |
| */ |
| obj_desc->buffer.length = buffer_length; |
| if (byte_list_length > buffer_length) { |
| obj_desc->buffer.length = byte_list_length; |
| } |
| |
| /* Allocate the buffer */ |
| |
| if (obj_desc->buffer.length == 0) { |
| obj_desc->buffer.pointer = NULL; |
| ACPI_DEBUG_PRINT((ACPI_DB_EXEC, |
| "Buffer defined with zero length in AML, creating\n")); |
| } else { |
| obj_desc->buffer.pointer = |
| ACPI_ALLOCATE_ZEROED(obj_desc->buffer.length); |
| if (!obj_desc->buffer.pointer) { |
| acpi_ut_delete_object_desc(obj_desc); |
| return_ACPI_STATUS(AE_NO_MEMORY); |
| } |
| |
| /* Initialize buffer from the byte_list (if present) */ |
| |
| if (byte_list) { |
| ACPI_MEMCPY(obj_desc->buffer.pointer, |
| byte_list->named.data, byte_list_length); |
| } |
| } |
| |
| obj_desc->buffer.flags |= AOPOBJ_DATA_VALID; |
| op->common.node = ACPI_CAST_PTR(struct acpi_namespace_node, obj_desc); |
| return_ACPI_STATUS(AE_OK); |
| } |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_ds_build_internal_package_obj |
| * |
| * PARAMETERS: walk_state - Current walk state |
| * Op - Parser object to be translated |
| * element_count - Number of elements in the package - this is |
| * the num_elements argument to Package() |
| * obj_desc_ptr - Where the ACPI internal object is returned |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Translate a parser Op package object to the equivalent |
| * namespace object |
| * |
| * NOTE: The number of elements in the package will be always be the num_elements |
| * count, regardless of the number of elements in the package list. If |
| * num_elements is smaller, only that many package list elements are used. |
| * if num_elements is larger, the Package object is padded out with |
| * objects of type Uninitialized (as per ACPI spec.) |
| * |
| * Even though the ASL compilers do not allow num_elements to be smaller |
| * than the Package list length (for the fixed length package opcode), some |
| * BIOS code modifies the AML on the fly to adjust the num_elements, and |
| * this code compensates for that. This also provides compatibility with |
| * other AML interpreters. |
| * |
| ******************************************************************************/ |
| |
| acpi_status |
| acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state, |
| union acpi_parse_object *op, |
| u32 element_count, |
| union acpi_operand_object **obj_desc_ptr) |
| { |
| union acpi_parse_object *arg; |
| union acpi_parse_object *parent; |
| union acpi_operand_object *obj_desc = NULL; |
| acpi_status status = AE_OK; |
| unsigned i; |
| u16 index; |
| u16 reference_count; |
| |
| ACPI_FUNCTION_TRACE(ds_build_internal_package_obj); |
| |
| /* Find the parent of a possibly nested package */ |
| |
| parent = op->common.parent; |
| while ((parent->common.aml_opcode == AML_PACKAGE_OP) || |
| (parent->common.aml_opcode == AML_VAR_PACKAGE_OP)) { |
| parent = parent->common.parent; |
| } |
| |
| /* |
| * If we are evaluating a Named package object "Name (xxxx, Package)", |
| * the package object already exists, otherwise it must be created. |
| */ |
| obj_desc = *obj_desc_ptr; |
| if (!obj_desc) { |
| obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_PACKAGE); |
| *obj_desc_ptr = obj_desc; |
| if (!obj_desc) { |
| return_ACPI_STATUS(AE_NO_MEMORY); |
| } |
| |
| obj_desc->package.node = parent->common.node; |
| } |
| |
| /* |
| * Allocate the element array (array of pointers to the individual |
| * objects) based on the num_elements parameter. Add an extra pointer slot |
| * so that the list is always null terminated. |
| */ |
| obj_desc->package.elements = ACPI_ALLOCATE_ZEROED(((acpi_size) |
| element_count + |
| 1) * sizeof(void *)); |
| |
| if (!obj_desc->package.elements) { |
| acpi_ut_delete_object_desc(obj_desc); |
| return_ACPI_STATUS(AE_NO_MEMORY); |
| } |
| |
| obj_desc->package.count = element_count; |
| |
| /* |
| * Initialize the elements of the package, up to the num_elements count. |
| * Package is automatically padded with uninitialized (NULL) elements |
| * if num_elements is greater than the package list length. Likewise, |
| * Package is truncated if num_elements is less than the list length. |
| */ |
| arg = op->common.value.arg; |
| arg = arg->common.next; |
| for (i = 0; arg && (i < element_count); i++) { |
| if (arg->common.aml_opcode == AML_INT_RETURN_VALUE_OP) { |
| if (arg->common.node->type == ACPI_TYPE_METHOD) { |
| /* |
| * A method reference "looks" to the parser to be a method |
| * invocation, so we special case it here |
| */ |
| arg->common.aml_opcode = AML_INT_NAMEPATH_OP; |
| status = |
| acpi_ds_build_internal_object(walk_state, |
| arg, |
| &obj_desc-> |
| package. |
| elements[i]); |
| } else { |
| /* This package element is already built, just get it */ |
| |
| obj_desc->package.elements[i] = |
| ACPI_CAST_PTR(union acpi_operand_object, |
| arg->common.node); |
| } |
| } else { |
| status = acpi_ds_build_internal_object(walk_state, arg, |
| &obj_desc-> |
| package. |
| elements[i]); |
| } |
| |
| if (*obj_desc_ptr) { |
| |
| /* Existing package, get existing reference count */ |
| |
| reference_count = |
| (*obj_desc_ptr)->common.reference_count; |
| if (reference_count > 1) { |
| |
| /* Make new element ref count match original ref count */ |
| |
| for (index = 0; index < (reference_count - 1); |
| index++) { |
| acpi_ut_add_reference((obj_desc-> |
| package. |
| elements[i])); |
| } |
| } |
| } |
| |
| arg = arg->common.next; |
| } |
| |
| /* Check for match between num_elements and actual length of package_list */ |
| |
| if (arg) { |
| /* |
| * num_elements was exhausted, but there are remaining elements in the |
| * package_list. |
| * |
| * Note: technically, this is an error, from ACPI spec: "It is an error |
| * for NumElements to be less than the number of elements in the |
| * PackageList". However, for now, we just print an error message and |
| * no exception is returned. |
| */ |
| while (arg) { |
| |
| /* Find out how many elements there really are */ |
| |
| i++; |
| arg = arg->common.next; |
| } |
| |
| ACPI_ERROR((AE_INFO, |
| "Package List length (%X) larger than NumElements count (%X), truncated\n", |
| i, element_count)); |
| } else if (i < element_count) { |
| /* |
| * Arg list (elements) was exhausted, but we did not reach num_elements count. |
| * Note: this is not an error, the package is padded out with NULLs. |
| */ |
| ACPI_DEBUG_PRINT((ACPI_DB_INFO, |
| "Package List length (%X) smaller than NumElements count (%X), padded with null elements\n", |
| i, element_count)); |
| } |
| |
| obj_desc->package.flags |= AOPOBJ_DATA_VALID; |
| op->common.node = ACPI_CAST_PTR(struct acpi_namespace_node, obj_desc); |
| return_ACPI_STATUS(status); |
| } |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_ds_create_node |
| * |
| * PARAMETERS: walk_state - Current walk state |
| * Node - NS Node to be initialized |
| * Op - Parser object to be translated |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Create the object to be associated with a namespace node |
| * |
| ******************************************************************************/ |
| |
| acpi_status |
| acpi_ds_create_node(struct acpi_walk_state *walk_state, |
| struct acpi_namespace_node *node, |
| union acpi_parse_object *op) |
| { |
| acpi_status status; |
| union acpi_operand_object *obj_desc; |
| |
| ACPI_FUNCTION_TRACE_PTR(ds_create_node, op); |
| |
| /* |
| * Because of the execution pass through the non-control-method |
| * parts of the table, we can arrive here twice. Only init |
| * the named object node the first time through |
| */ |
| if (acpi_ns_get_attached_object(node)) { |
| return_ACPI_STATUS(AE_OK); |
| } |
| |
| if (!op->common.value.arg) { |
| |
| /* No arguments, there is nothing to do */ |
| |
| return_ACPI_STATUS(AE_OK); |
| } |
| |
| /* Build an internal object for the argument(s) */ |
| |
| status = acpi_ds_build_internal_object(walk_state, op->common.value.arg, |
| &obj_desc); |
| if (ACPI_FAILURE(status)) { |
| return_ACPI_STATUS(status); |
| } |
| |
| /* Re-type the object according to its argument */ |
| |
| node->type = ACPI_GET_OBJECT_TYPE(obj_desc); |
| |
| /* Attach obj to node */ |
| |
| status = acpi_ns_attach_object(node, obj_desc, node->type); |
| |
| /* Remove local reference to the object */ |
| |
| acpi_ut_remove_reference(obj_desc); |
| return_ACPI_STATUS(status); |
| } |
| |
| #endif /* ACPI_NO_METHOD_EXECUTION */ |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_ds_init_object_from_op |
| * |
| * PARAMETERS: walk_state - Current walk state |
| * Op - Parser op used to init the internal object |
| * Opcode - AML opcode associated with the object |
| * ret_obj_desc - Namespace object to be initialized |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Initialize a namespace object from a parser Op and its |
| * associated arguments. The namespace object is a more compact |
| * representation of the Op and its arguments. |
| * |
| ******************************************************************************/ |
| |
| acpi_status |
| acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state, |
| union acpi_parse_object *op, |
| u16 opcode, |
| union acpi_operand_object **ret_obj_desc) |
| { |
| const struct acpi_opcode_info *op_info; |
| union acpi_operand_object *obj_desc; |
| acpi_status status = AE_OK; |
| |
| ACPI_FUNCTION_TRACE(ds_init_object_from_op); |
| |
| obj_desc = *ret_obj_desc; |
| op_info = acpi_ps_get_opcode_info(opcode); |
| if (op_info->class == AML_CLASS_UNKNOWN) { |
| |
| /* Unknown opcode */ |
| |
| return_ACPI_STATUS(AE_TYPE); |
| } |
| |
| /* Perform per-object initialization */ |
| |
| switch (ACPI_GET_OBJECT_TYPE(obj_desc)) { |
| case ACPI_TYPE_BUFFER: |
| |
| /* |
| * Defer evaluation of Buffer term_arg operand |
| */ |
| obj_desc->buffer.node = |
| ACPI_CAST_PTR(struct acpi_namespace_node, |
| walk_state->operands[0]); |
| obj_desc->buffer.aml_start = op->named.data; |
| obj_desc->buffer.aml_length = op->named.length; |
| break; |
| |
| case ACPI_TYPE_PACKAGE: |
| |
| /* |
| * Defer evaluation of Package term_arg operand |
| */ |
| obj_desc->package.node = |
| ACPI_CAST_PTR(struct acpi_namespace_node, |
| walk_state->operands[0]); |
| obj_desc->package.aml_start = op->named.data; |
| obj_desc->package.aml_length = op->named.length; |
| break; |
| |
| case ACPI_TYPE_INTEGER: |
| |
| switch (op_info->type) { |
| case AML_TYPE_CONSTANT: |
| /* |
| * Resolve AML Constants here - AND ONLY HERE! |
| * All constants are integers. |
| * We mark the integer with a flag that indicates that it started |
| * life as a constant -- so that stores to constants will perform |
| * as expected (noop). zero_op is used as a placeholder for optional |
| * target operands. |
| */ |
| obj_desc->common.flags = AOPOBJ_AML_CONSTANT; |
| |
| switch (opcode) { |
| case AML_ZERO_OP: |
| |
| obj_desc->integer.value = 0; |
| break; |
| |
| case AML_ONE_OP: |
| |
| obj_desc->integer.value = 1; |
| break; |
| |
| case AML_ONES_OP: |
| |
| obj_desc->integer.value = ACPI_INTEGER_MAX; |
| |
| /* Truncate value if we are executing from a 32-bit ACPI table */ |
| |
| #ifndef ACPI_NO_METHOD_EXECUTION |
| acpi_ex_truncate_for32bit_table(obj_desc); |
| #endif |
| break; |
| |
| case AML_REVISION_OP: |
| |
| obj_desc->integer.value = ACPI_CA_VERSION; |
| break; |
| |
| default: |
| |
| ACPI_ERROR((AE_INFO, |
| "Unknown constant opcode %X", |
| opcode)); |
| status = AE_AML_OPERAND_TYPE; |
| break; |
| } |
| break; |
| |
| case AML_TYPE_LITERAL: |
| |
| obj_desc->integer.value = op->common.value.integer; |
| #ifndef ACPI_NO_METHOD_EXECUTION |
| acpi_ex_truncate_for32bit_table(obj_desc); |
| #endif |
| break; |
| |
| default: |
| ACPI_ERROR((AE_INFO, "Unknown Integer type %X", |
| op_info->type)); |
| status = AE_AML_OPERAND_TYPE; |
| break; |
| } |
| break; |
| |
| case ACPI_TYPE_STRING: |
| |
| obj_desc->string.pointer = op->common.value.string; |
| obj_desc->string.length = |
| (u32) ACPI_STRLEN(op->common.value.string); |
| |
| /* |
| * The string is contained in the ACPI table, don't ever try |
| * to delete it |
| */ |
| obj_desc->common.flags |= AOPOBJ_STATIC_POINTER; |
| break; |
| |
| case ACPI_TYPE_METHOD: |
| break; |
| |
| case ACPI_TYPE_LOCAL_REFERENCE: |
| |
| switch (op_info->type) { |
| case AML_TYPE_LOCAL_VARIABLE: |
| |
| /* Split the opcode into a base opcode + offset */ |
| |
| obj_desc->reference.opcode = AML_LOCAL_OP; |
| obj_desc->reference.offset = opcode - AML_LOCAL_OP; |
| |
| #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); |
| #endif |
| break; |
| |
| case AML_TYPE_METHOD_ARGUMENT: |
| |
| /* Split the opcode into a base opcode + offset */ |
| |
| obj_desc->reference.opcode = AML_ARG_OP; |
| obj_desc->reference.offset = opcode - AML_ARG_OP; |
| |
| #ifndef ACPI_NO_METHOD_EXECUTION |
| status = acpi_ds_method_data_get_node(AML_ARG_OP, |
| obj_desc-> |
| reference.offset, |
| walk_state, |
| (struct |
| acpi_namespace_node |
| **)&obj_desc-> |
| reference.object); |
| #endif |
| break; |
| |
| default: /* Other literals, etc.. */ |
| |
| if (op->common.aml_opcode == 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.opcode = opcode; |
| break; |
| } |
| break; |
| |
| default: |
| |
| ACPI_ERROR((AE_INFO, "Unimplemented data type: %X", |
| ACPI_GET_OBJECT_TYPE(obj_desc))); |
| |
| status = AE_AML_OPERAND_TYPE; |
| break; |
| } |
| |
| return_ACPI_STATUS(status); |
| } |