diff options
Diffstat (limited to 'drivers/acpi/dispatcher/dsobject.c')
| -rw-r--r-- | drivers/acpi/dispatcher/dsobject.c | 329 |
1 files changed, 157 insertions, 172 deletions
diff --git a/drivers/acpi/dispatcher/dsobject.c b/drivers/acpi/dispatcher/dsobject.c index 1eee2d54180..8ac0cd93adb 100644 --- a/drivers/acpi/dispatcher/dsobject.c +++ b/drivers/acpi/dispatcher/dsobject.c @@ -41,7 +41,6 @@ * POSSIBILITY OF SUCH DAMAGES. */ - #include <acpi/acpi.h> #include <acpi/acparser.h> #include <acpi/amlcode.h> @@ -50,14 +49,12 @@ #include <acpi/acinterp.h> #define _COMPONENT ACPI_DISPATCHER - ACPI_MODULE_NAME ("dsobject") +ACPI_MODULE_NAME("dsobject") 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); - +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 /******************************************************************************* @@ -76,17 +73,14 @@ acpi_ds_build_internal_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) +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"); + 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) { @@ -96,40 +90,44 @@ acpi_ds_build_internal_object ( * 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, - (struct acpi_namespace_node **) &(op->common.node)); - - if (ACPI_FAILURE (status)) { - ACPI_REPORT_NSERROR (op->common.value.string, status); - return_ACPI_STATUS (status); + 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, + (struct acpi_namespace_node **) + &(op->common.node)); + + if (ACPI_FAILURE(status)) { + ACPI_REPORT_NSERROR(op->common.value.string, + status); + return_ACPI_STATUS(status); } } } /* Create and init the internal ACPI object */ - obj_desc = acpi_ut_create_internal_object ( - (acpi_ps_get_opcode_info (op->common.aml_opcode))->object_type); + 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); + 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); + 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); } *obj_desc_ptr = obj_desc; - return_ACPI_STATUS (AE_OK); + return_ACPI_STATUS(AE_OK); } - /******************************************************************************* * * FUNCTION: acpi_ds_build_internal_buffer_obj @@ -147,20 +145,17 @@ acpi_ds_build_internal_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) +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"); + 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"); obj_desc = *obj_desc_ptr; if (obj_desc) { @@ -168,14 +163,13 @@ acpi_ds_build_internal_buffer_obj ( * We are evaluating a Named buffer object "Name (xxxx, Buffer)". * The buffer object already exists (from the NS node) */ - } - else { + } else { /* Create a new buffer object */ - obj_desc = acpi_ut_create_internal_object (ACPI_TYPE_BUFFER); + obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_BUFFER); *obj_desc_ptr = obj_desc; if (!obj_desc) { - return_ACPI_STATUS (AE_NO_MEMORY); + return_ACPI_STATUS(AE_NO_MEMORY); } } @@ -184,16 +178,17 @@ acpi_ds_build_internal_buffer_obj ( * individual bytes or a string initializer. In either case, a * byte_list appears in the AML. */ - arg = op->common.value.arg; /* skip first arg */ + 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_DEBUG_PRINT ((ACPI_DB_ERROR, - "Expecting bytelist, got AML opcode %X in op %p\n", - byte_list->common.aml_opcode, byte_list)); + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Expecting bytelist, got AML opcode %X in op %p\n", + byte_list->common.aml_opcode, + byte_list)); - acpi_ut_remove_reference (obj_desc); + acpi_ut_remove_reference(obj_desc); return (AE_TYPE); } @@ -214,31 +209,29 @@ acpi_ds_build_internal_buffer_obj ( 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_MEM_CALLOCATE ( - obj_desc->buffer.length); + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, + "Buffer defined with zero length in AML, creating\n")); + } else { + obj_desc->buffer.pointer = + ACPI_MEM_CALLOCATE(obj_desc->buffer.length); if (!obj_desc->buffer.pointer) { - acpi_ut_delete_object_desc (obj_desc); - return_ACPI_STATUS (AE_NO_MEMORY); + 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); + ACPI_MEMCPY(obj_desc->buffer.pointer, + byte_list->named.data, byte_list_length); } } obj_desc->buffer.flags |= AOPOBJ_DATA_VALID; - op->common.node = (struct acpi_namespace_node *) obj_desc; - return_ACPI_STATUS (AE_OK); + op->common.node = (struct acpi_namespace_node *)obj_desc; + return_ACPI_STATUS(AE_OK); } - /******************************************************************************* * * FUNCTION: acpi_ds_build_internal_package_obj @@ -256,28 +249,25 @@ acpi_ds_build_internal_buffer_obj ( ******************************************************************************/ acpi_status -acpi_ds_build_internal_package_obj ( - struct acpi_walk_state *walk_state, - union acpi_parse_object *op, - u32 package_length, - union acpi_operand_object **obj_desc_ptr) +acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state, + union acpi_parse_object *op, + u32 package_length, + union acpi_operand_object **obj_desc_ptr) { - union acpi_parse_object *arg; - union acpi_parse_object *parent; - union acpi_operand_object *obj_desc = NULL; - u32 package_list_length; - acpi_status status = AE_OK; - u32 i; - - - ACPI_FUNCTION_TRACE ("ds_build_internal_package_obj"); + union acpi_parse_object *arg; + union acpi_parse_object *parent; + union acpi_operand_object *obj_desc = NULL; + u32 package_list_length; + acpi_status status = AE_OK; + u32 i; + 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)) { + while ((parent->common.aml_opcode == AML_PACKAGE_OP) || + (parent->common.aml_opcode == AML_VAR_PACKAGE_OP)) { parent = parent->common.parent; } @@ -287,12 +277,11 @@ acpi_ds_build_internal_package_obj ( * We are evaluating a Named package object "Name (xxxx, Package)". * Get the existing package object from the NS node */ - } - else { - obj_desc = acpi_ut_create_internal_object (ACPI_TYPE_PACKAGE); + } else { + obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_PACKAGE); *obj_desc_ptr = obj_desc; if (!obj_desc) { - return_ACPI_STATUS (AE_NO_MEMORY); + return_ACPI_STATUS(AE_NO_MEMORY); } obj_desc->package.node = parent->common.node; @@ -323,12 +312,13 @@ acpi_ds_build_internal_package_obj ( * individual objects). Add an extra pointer slot so * that the list is always null terminated. */ - obj_desc->package.elements = ACPI_MEM_CALLOCATE ( - ((acpi_size) obj_desc->package.count + 1) * sizeof (void *)); + obj_desc->package.elements = ACPI_MEM_CALLOCATE(((acpi_size) obj_desc-> + package.count + + 1) * sizeof(void *)); if (!obj_desc->package.elements) { - acpi_ut_delete_object_desc (obj_desc); - return_ACPI_STATUS (AE_NO_MEMORY); + acpi_ut_delete_object_desc(obj_desc); + return_ACPI_STATUS(AE_NO_MEMORY); } /* @@ -342,11 +332,13 @@ acpi_ds_build_internal_package_obj ( /* Object (package or buffer) is already built */ 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]); + 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]); } i++; @@ -354,11 +346,10 @@ acpi_ds_build_internal_package_obj ( } obj_desc->package.flags |= AOPOBJ_DATA_VALID; - op->common.node = (struct acpi_namespace_node *) obj_desc; - return_ACPI_STATUS (status); + op->common.node = (struct acpi_namespace_node *)obj_desc; + return_ACPI_STATUS(status); } - /******************************************************************************* * * FUNCTION: acpi_ds_create_node @@ -374,57 +365,53 @@ acpi_ds_build_internal_package_obj ( ******************************************************************************/ acpi_status -acpi_ds_create_node ( - struct acpi_walk_state *walk_state, - struct acpi_namespace_node *node, - union acpi_parse_object *op) +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); + 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 (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); + 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); + 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); + node->type = ACPI_GET_OBJECT_TYPE(obj_desc); /* Attach obj to node */ - status = acpi_ns_attach_object (node, obj_desc, node->type); + 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); + acpi_ut_remove_reference(obj_desc); + return_ACPI_STATUS(status); } -#endif /* ACPI_NO_METHOD_EXECUTION */ - +#endif /* ACPI_NO_METHOD_EXECUTION */ /******************************************************************************* * @@ -444,55 +431,50 @@ acpi_ds_create_node ( ******************************************************************************/ 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) +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"); + 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); + op_info = acpi_ps_get_opcode_info(opcode); if (op_info->class == AML_CLASS_UNKNOWN) { /* Unknown opcode */ - return_ACPI_STATUS (AE_TYPE); + return_ACPI_STATUS(AE_TYPE); } /* Perform per-object initialization */ - switch (ACPI_GET_OBJECT_TYPE (obj_desc)) { + switch (ACPI_GET_OBJECT_TYPE(obj_desc)) { case ACPI_TYPE_BUFFER: /* * Defer evaluation of Buffer term_arg operand */ - obj_desc->buffer.node = (struct acpi_namespace_node *) - walk_state->operands[0]; + obj_desc->buffer.node = (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 = (struct acpi_namespace_node *) - walk_state->operands[0]; + obj_desc->package.node = (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) { @@ -525,7 +507,7 @@ acpi_ds_init_object_from_op ( /* Truncate value if we are executing from a 32-bit ACPI table */ #ifndef ACPI_NO_METHOD_EXECUTION - acpi_ex_truncate_for32bit_table (obj_desc); + acpi_ex_truncate_for32bit_table(obj_desc); #endif break; @@ -536,36 +518,36 @@ acpi_ds_init_object_from_op ( default: - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "Unknown constant opcode %X\n", opcode)); + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Unknown constant opcode %X\n", + 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); + acpi_ex_truncate_for32bit_table(obj_desc); #endif break; - default: - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown Integer type %X\n", - op_info->type)); + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Unknown Integer type %X\n", + 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); + obj_desc->string.length = + (u32) ACPI_STRLEN(op->common.value.string); /* * The string is contained in the ACPI table, don't ever try @@ -574,11 +556,9 @@ acpi_ds_init_object_from_op ( obj_desc->common.flags |= AOPOBJ_STATIC_POINTER; break; - case ACPI_TYPE_METHOD: break; - case ACPI_TYPE_LOCAL_REFERENCE: switch (op_info->type) { @@ -590,14 +570,17 @@ acpi_ds_init_object_from_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); + 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 */ @@ -606,14 +589,18 @@ acpi_ds_init_object_from_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); + 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.. */ + default: /* Other literals, etc.. */ if (op->common.aml_opcode == AML_INT_NAMEPATH_OP) { /* Node was saved in Op */ @@ -626,17 +613,15 @@ acpi_ds_init_object_from_op ( } break; - default: - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unimplemented data type: %X\n", - ACPI_GET_OBJECT_TYPE (obj_desc))); + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Unimplemented data type: %X\n", + ACPI_GET_OBJECT_TYPE(obj_desc))); status = AE_AML_OPERAND_TYPE; break; } - return_ACPI_STATUS (status); + return_ACPI_STATUS(status); } - - |