599 lines
16 KiB
C
599 lines
16 KiB
C
|
// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
|
||
|
|
/******************************************************************************
|
||
|
|
*
|
||
|
|
* Module Name: dswload - Dispatcher first pass namespace load callbacks
|
||
|
|
*
|
||
|
|
* Copyright (C) 2000 - 2019, Intel Corp.
|
||
|
|
*
|
||
|
|
*****************************************************************************/
|
||
|
|
|
||
|
|
#include <acpi/acpi.h>
|
||
|
|
#include "accommon.h"
|
||
|
|
#include "acparser.h"
|
||
|
|
#include "amlcode.h"
|
||
|
|
#include "acdispat.h"
|
||
|
|
#include "acinterp.h"
|
||
|
|
#include "acnamesp.h"
|
||
|
|
|
||
|
|
#ifdef ACPI_ASL_COMPILER
|
||
|
|
#include "acdisasm.h"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define _COMPONENT ACPI_DISPATCHER
|
||
|
|
ACPI_MODULE_NAME("dswload")
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
*
|
||
|
|
* FUNCTION: acpi_ds_init_callbacks
|
||
|
|
*
|
||
|
|
* PARAMETERS: walk_state - Current state of the parse tree walk
|
||
|
|
* pass_number - 1, 2, or 3
|
||
|
|
*
|
||
|
|
* RETURN: Status
|
||
|
|
*
|
||
|
|
* DESCRIPTION: Init walk state callbacks
|
||
|
|
*
|
||
|
|
******************************************************************************/
|
||
|
|
acpi_status
|
||
|
|
acpi_ds_init_callbacks(struct acpi_walk_state *walk_state, u32 pass_number)
|
||
|
|
{
|
||
|
|
|
||
|
|
switch (pass_number) {
|
||
|
|
case 0:
|
||
|
|
|
||
|
|
/* Parse only - caller will setup callbacks */
|
||
|
|
|
||
|
|
walk_state->parse_flags = ACPI_PARSE_LOAD_PASS1 |
|
||
|
|
ACPI_PARSE_DELETE_TREE | ACPI_PARSE_DISASSEMBLE;
|
||
|
|
walk_state->descending_callback = NULL;
|
||
|
|
walk_state->ascending_callback = NULL;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 1:
|
||
|
|
|
||
|
|
/* Load pass 1 */
|
||
|
|
|
||
|
|
walk_state->parse_flags = ACPI_PARSE_LOAD_PASS1 |
|
||
|
|
ACPI_PARSE_DELETE_TREE;
|
||
|
|
walk_state->descending_callback = acpi_ds_load1_begin_op;
|
||
|
|
walk_state->ascending_callback = acpi_ds_load1_end_op;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 2:
|
||
|
|
|
||
|
|
/* Load pass 2 */
|
||
|
|
|
||
|
|
walk_state->parse_flags = ACPI_PARSE_LOAD_PASS1 |
|
||
|
|
ACPI_PARSE_DELETE_TREE;
|
||
|
|
walk_state->descending_callback = acpi_ds_load2_begin_op;
|
||
|
|
walk_state->ascending_callback = acpi_ds_load2_end_op;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 3:
|
||
|
|
|
||
|
|
/* Execution pass */
|
||
|
|
|
||
|
|
walk_state->parse_flags |= ACPI_PARSE_EXECUTE |
|
||
|
|
ACPI_PARSE_DELETE_TREE;
|
||
|
|
walk_state->descending_callback = acpi_ds_exec_begin_op;
|
||
|
|
walk_state->ascending_callback = acpi_ds_exec_end_op;
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
|
||
|
|
return (AE_BAD_PARAMETER);
|
||
|
|
}
|
||
|
|
|
||
|
|
return (AE_OK);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
*
|
||
|
|
* FUNCTION: acpi_ds_load1_begin_op
|
||
|
|
*
|
||
|
|
* PARAMETERS: walk_state - Current state of the parse tree walk
|
||
|
|
* out_op - Where to return op if a new one is created
|
||
|
|
*
|
||
|
|
* RETURN: Status
|
||
|
|
*
|
||
|
|
* DESCRIPTION: Descending callback used during the loading of ACPI tables.
|
||
|
|
*
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
acpi_status
|
||
|
|
acpi_ds_load1_begin_op(struct acpi_walk_state *walk_state,
|
||
|
|
union acpi_parse_object **out_op)
|
||
|
|
{
|
||
|
|
union acpi_parse_object *op;
|
||
|
|
struct acpi_namespace_node *node;
|
||
|
|
acpi_status status;
|
||
|
|
acpi_object_type object_type;
|
||
|
|
char *path;
|
||
|
|
u32 flags;
|
||
|
|
|
||
|
|
ACPI_FUNCTION_TRACE_PTR(ds_load1_begin_op, walk_state->op);
|
||
|
|
|
||
|
|
op = walk_state->op;
|
||
|
|
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p State=%p\n", op,
|
||
|
|
walk_state));
|
||
|
|
|
||
|
|
/* We are only interested in opcodes that have an associated name */
|
||
|
|
|
||
|
|
if (op) {
|
||
|
|
if (!(walk_state->op_info->flags & AML_NAMED)) {
|
||
|
|
*out_op = op;
|
||
|
|
return_ACPI_STATUS(AE_OK);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Check if this object has already been installed in the namespace */
|
||
|
|
|
||
|
|
if (op->common.node) {
|
||
|
|
*out_op = op;
|
||
|
|
return_ACPI_STATUS(AE_OK);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
path = acpi_ps_get_next_namestring(&walk_state->parser_state);
|
||
|
|
|
||
|
|
/* Map the raw opcode into an internal object type */
|
||
|
|
|
||
|
|
object_type = walk_state->op_info->object_type;
|
||
|
|
|
||
|
|
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
|
||
|
|
"State=%p Op=%p [%s]\n", walk_state, op,
|
||
|
|
acpi_ut_get_type_name(object_type)));
|
||
|
|
|
||
|
|
switch (walk_state->opcode) {
|
||
|
|
case AML_SCOPE_OP:
|
||
|
|
/*
|
||
|
|
* The target name of the Scope() operator must exist at this point so
|
||
|
|
* that we can actually open the scope to enter new names underneath it.
|
||
|
|
* Allow search-to-root for single namesegs.
|
||
|
|
*/
|
||
|
|
status =
|
||
|
|
acpi_ns_lookup(walk_state->scope_info, path, object_type,
|
||
|
|
ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT,
|
||
|
|
walk_state, &(node));
|
||
|
|
#ifdef ACPI_ASL_COMPILER
|
||
|
|
if (status == AE_NOT_FOUND) {
|
||
|
|
/*
|
||
|
|
* Table disassembly:
|
||
|
|
* Target of Scope() not found. Generate an External for it, and
|
||
|
|
* insert the name into the namespace.
|
||
|
|
*/
|
||
|
|
acpi_dm_add_op_to_external_list(op, path,
|
||
|
|
ACPI_TYPE_DEVICE, 0, 0);
|
||
|
|
status =
|
||
|
|
acpi_ns_lookup(walk_state->scope_info, path,
|
||
|
|
object_type, ACPI_IMODE_LOAD_PASS1,
|
||
|
|
ACPI_NS_SEARCH_PARENT, walk_state,
|
||
|
|
&node);
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
if (ACPI_FAILURE(status)) {
|
||
|
|
ACPI_ERROR_NAMESPACE(walk_state->scope_info, path,
|
||
|
|
status);
|
||
|
|
return_ACPI_STATUS(status);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Check to make sure that the target is
|
||
|
|
* one of the opcodes that actually opens a scope
|
||
|
|
*/
|
||
|
|
switch (node->type) {
|
||
|
|
case ACPI_TYPE_ANY:
|
||
|
|
case ACPI_TYPE_LOCAL_SCOPE: /* Scope */
|
||
|
|
case ACPI_TYPE_DEVICE:
|
||
|
|
case ACPI_TYPE_POWER:
|
||
|
|
case ACPI_TYPE_PROCESSOR:
|
||
|
|
case ACPI_TYPE_THERMAL:
|
||
|
|
|
||
|
|
/* These are acceptable types */
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ACPI_TYPE_INTEGER:
|
||
|
|
case ACPI_TYPE_STRING:
|
||
|
|
case ACPI_TYPE_BUFFER:
|
||
|
|
/*
|
||
|
|
* These types we will allow, but we will change the type.
|
||
|
|
* This enables some existing code of the form:
|
||
|
|
*
|
||
|
|
* Name (DEB, 0)
|
||
|
|
* Scope (DEB) { ... }
|
||
|
|
*
|
||
|
|
* Note: silently change the type here. On the second pass,
|
||
|
|
* we will report a warning
|
||
|
|
*/
|
||
|
|
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
|
||
|
|
"Type override - [%4.4s] had invalid type (%s) "
|
||
|
|
"for Scope operator, changed to type ANY\n",
|
||
|
|
acpi_ut_get_node_name(node),
|
||
|
|
acpi_ut_get_type_name(node->type)));
|
||
|
|
|
||
|
|
node->type = ACPI_TYPE_ANY;
|
||
|
|
walk_state->scope_info->common.value = ACPI_TYPE_ANY;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ACPI_TYPE_METHOD:
|
||
|
|
/*
|
||
|
|
* Allow scope change to root during execution of module-level
|
||
|
|
* code. Root is typed METHOD during this time.
|
||
|
|
*/
|
||
|
|
if ((node == acpi_gbl_root_node) &&
|
||
|
|
(walk_state->
|
||
|
|
parse_flags & ACPI_PARSE_MODULE_LEVEL)) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*lint -fallthrough */
|
||
|
|
|
||
|
|
default:
|
||
|
|
|
||
|
|
/* All other types are an error */
|
||
|
|
|
||
|
|
ACPI_ERROR((AE_INFO,
|
||
|
|
"Invalid type (%s) for target of "
|
||
|
|
"Scope operator [%4.4s] (Cannot override)",
|
||
|
|
acpi_ut_get_type_name(node->type),
|
||
|
|
acpi_ut_get_node_name(node)));
|
||
|
|
|
||
|
|
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
/*
|
||
|
|
* For all other named opcodes, we will enter the name into
|
||
|
|
* the namespace.
|
||
|
|
*
|
||
|
|
* Setup the search flags.
|
||
|
|
* Since we are entering a name into the namespace, we do not want to
|
||
|
|
* enable the search-to-root upsearch.
|
||
|
|
*
|
||
|
|
* There are only two conditions where it is acceptable that the name
|
||
|
|
* already exists:
|
||
|
|
* 1) the Scope() operator can reopen a scoping object that was
|
||
|
|
* previously defined (Scope, Method, Device, etc.)
|
||
|
|
* 2) Whenever we are parsing a deferred opcode (op_region, Buffer,
|
||
|
|
* buffer_field, or Package), the name of the object is already
|
||
|
|
* in the namespace.
|
||
|
|
*/
|
||
|
|
if (walk_state->deferred_node) {
|
||
|
|
|
||
|
|
/* This name is already in the namespace, get the node */
|
||
|
|
|
||
|
|
node = walk_state->deferred_node;
|
||
|
|
status = AE_OK;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* If we are executing a method, do not create any namespace objects
|
||
|
|
* during the load phase, only during execution.
|
||
|
|
*/
|
||
|
|
if (walk_state->method_node) {
|
||
|
|
node = NULL;
|
||
|
|
status = AE_OK;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
flags = ACPI_NS_NO_UPSEARCH;
|
||
|
|
if ((walk_state->opcode != AML_SCOPE_OP) &&
|
||
|
|
(!(walk_state->parse_flags & ACPI_PARSE_DEFERRED_OP))) {
|
||
|
|
if (walk_state->namespace_override) {
|
||
|
|
flags |= ACPI_NS_OVERRIDE_IF_FOUND;
|
||
|
|
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
|
||
|
|
"[%s] Override allowed\n",
|
||
|
|
acpi_ut_get_type_name
|
||
|
|
(object_type)));
|
||
|
|
} else {
|
||
|
|
flags |= ACPI_NS_ERROR_IF_FOUND;
|
||
|
|
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
|
||
|
|
"[%s] Cannot already exist\n",
|
||
|
|
acpi_ut_get_type_name
|
||
|
|
(object_type)));
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
|
||
|
|
"[%s] Both Find or Create allowed\n",
|
||
|
|
acpi_ut_get_type_name(object_type)));
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Enter the named type into the internal namespace. We enter the name
|
||
|
|
* as we go downward in the parse tree. Any necessary subobjects that
|
||
|
|
* involve arguments to the opcode must be created as we go back up the
|
||
|
|
* parse tree later.
|
||
|
|
*/
|
||
|
|
status =
|
||
|
|
acpi_ns_lookup(walk_state->scope_info, path, object_type,
|
||
|
|
ACPI_IMODE_LOAD_PASS1, flags, walk_state,
|
||
|
|
&node);
|
||
|
|
if (ACPI_FAILURE(status)) {
|
||
|
|
if (status == AE_ALREADY_EXISTS) {
|
||
|
|
|
||
|
|
/* The name already exists in this scope */
|
||
|
|
|
||
|
|
if (node->flags & ANOBJ_IS_EXTERNAL) {
|
||
|
|
/*
|
||
|
|
* Allow one create on an object or segment that was
|
||
|
|
* previously declared External
|
||
|
|
*/
|
||
|
|
node->flags &= ~ANOBJ_IS_EXTERNAL;
|
||
|
|
node->type = (u8) object_type;
|
||
|
|
|
||
|
|
/* Just retyped a node, probably will need to open a scope */
|
||
|
|
|
||
|
|
if (acpi_ns_opens_scope(object_type)) {
|
||
|
|
status =
|
||
|
|
acpi_ds_scope_stack_push
|
||
|
|
(node, object_type,
|
||
|
|
walk_state);
|
||
|
|
if (ACPI_FAILURE(status)) {
|
||
|
|
return_ACPI_STATUS
|
||
|
|
(status);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
status = AE_OK;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (ACPI_FAILURE(status)) {
|
||
|
|
ACPI_ERROR_NAMESPACE(walk_state->scope_info,
|
||
|
|
path, status);
|
||
|
|
return_ACPI_STATUS(status);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Common exit */
|
||
|
|
|
||
|
|
if (!op) {
|
||
|
|
|
||
|
|
/* Create a new op */
|
||
|
|
|
||
|
|
op = acpi_ps_alloc_op(walk_state->opcode, walk_state->aml);
|
||
|
|
if (!op) {
|
||
|
|
return_ACPI_STATUS(AE_NO_MEMORY);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Initialize the op */
|
||
|
|
|
||
|
|
#ifdef ACPI_CONSTANT_EVAL_ONLY
|
||
|
|
op->named.path = path;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
if (node) {
|
||
|
|
/*
|
||
|
|
* Put the Node in the "op" object that the parser uses, so we
|
||
|
|
* can get it again quickly when this scope is closed
|
||
|
|
*/
|
||
|
|
op->common.node = node;
|
||
|
|
op->named.name = node->name.integer;
|
||
|
|
}
|
||
|
|
|
||
|
|
acpi_ps_append_arg(acpi_ps_get_parent_scope(&walk_state->parser_state),
|
||
|
|
op);
|
||
|
|
*out_op = op;
|
||
|
|
return_ACPI_STATUS(status);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
*
|
||
|
|
* FUNCTION: acpi_ds_load1_end_op
|
||
|
|
*
|
||
|
|
* PARAMETERS: walk_state - Current state of the parse tree walk
|
||
|
|
*
|
||
|
|
* RETURN: Status
|
||
|
|
*
|
||
|
|
* DESCRIPTION: Ascending callback used during the loading of the namespace,
|
||
|
|
* both control methods and everything else.
|
||
|
|
*
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state)
|
||
|
|
{
|
||
|
|
union acpi_parse_object *op;
|
||
|
|
acpi_object_type object_type;
|
||
|
|
acpi_status status = AE_OK;
|
||
|
|
|
||
|
|
#ifdef ACPI_ASL_COMPILER
|
||
|
|
u8 param_count;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
ACPI_FUNCTION_TRACE(ds_load1_end_op);
|
||
|
|
|
||
|
|
op = walk_state->op;
|
||
|
|
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p State=%p\n", op,
|
||
|
|
walk_state));
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Disassembler: handle create field operators here.
|
||
|
|
*
|
||
|
|
* create_buffer_field is a deferred op that is typically processed in load
|
||
|
|
* pass 2. However, disassembly of control method contents walk the parse
|
||
|
|
* tree with ACPI_PARSE_LOAD_PASS1 and AML_CREATE operators are processed
|
||
|
|
* in a later walk. This is a problem when there is a control method that
|
||
|
|
* has the same name as the AML_CREATE object. In this case, any use of the
|
||
|
|
* name segment will be detected as a method call rather than a reference
|
||
|
|
* to a buffer field.
|
||
|
|
*
|
||
|
|
* This earlier creation during disassembly solves this issue by inserting
|
||
|
|
* the named object in the ACPI namespace so that references to this name
|
||
|
|
* would be a name string rather than a method call.
|
||
|
|
*/
|
||
|
|
if ((walk_state->parse_flags & ACPI_PARSE_DISASSEMBLE) &&
|
||
|
|
(walk_state->op_info->flags & AML_CREATE)) {
|
||
|
|
status = acpi_ds_create_buffer_field(op, walk_state);
|
||
|
|
return_ACPI_STATUS(status);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* We are only interested in opcodes that have an associated name */
|
||
|
|
|
||
|
|
if (!(walk_state->op_info->flags & (AML_NAMED | AML_FIELD))) {
|
||
|
|
return_ACPI_STATUS(AE_OK);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Get the object type to determine if we should pop the scope */
|
||
|
|
|
||
|
|
object_type = walk_state->op_info->object_type;
|
||
|
|
|
||
|
|
if (walk_state->op_info->flags & AML_FIELD) {
|
||
|
|
/*
|
||
|
|
* If we are executing a method, do not create any namespace objects
|
||
|
|
* during the load phase, only during execution.
|
||
|
|
*/
|
||
|
|
if (!walk_state->method_node) {
|
||
|
|
if (walk_state->opcode == AML_FIELD_OP ||
|
||
|
|
walk_state->opcode == AML_BANK_FIELD_OP ||
|
||
|
|
walk_state->opcode == AML_INDEX_FIELD_OP) {
|
||
|
|
status =
|
||
|
|
acpi_ds_init_field_objects(op, walk_state);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return_ACPI_STATUS(status);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* If we are executing a method, do not create any namespace objects
|
||
|
|
* during the load phase, only during execution.
|
||
|
|
*/
|
||
|
|
if (!walk_state->method_node) {
|
||
|
|
if (op->common.aml_opcode == AML_REGION_OP) {
|
||
|
|
status =
|
||
|
|
acpi_ex_create_region(op->named.data,
|
||
|
|
op->named.length,
|
||
|
|
(acpi_adr_space_type)
|
||
|
|
((op->common.value.arg)->
|
||
|
|
common.value.integer),
|
||
|
|
walk_state);
|
||
|
|
if (ACPI_FAILURE(status)) {
|
||
|
|
return_ACPI_STATUS(status);
|
||
|
|
}
|
||
|
|
} else if (op->common.aml_opcode == AML_DATA_REGION_OP) {
|
||
|
|
status =
|
||
|
|
acpi_ex_create_region(op->named.data,
|
||
|
|
op->named.length,
|
||
|
|
ACPI_ADR_SPACE_DATA_TABLE,
|
||
|
|
walk_state);
|
||
|
|
if (ACPI_FAILURE(status)) {
|
||
|
|
return_ACPI_STATUS(status);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (op->common.aml_opcode == AML_NAME_OP) {
|
||
|
|
|
||
|
|
/* For Name opcode, get the object type from the argument */
|
||
|
|
|
||
|
|
if (op->common.value.arg) {
|
||
|
|
object_type = (acpi_ps_get_opcode_info((op->common.
|
||
|
|
value.arg)->
|
||
|
|
common.
|
||
|
|
aml_opcode))->
|
||
|
|
object_type;
|
||
|
|
|
||
|
|
/* Set node type if we have a namespace node */
|
||
|
|
|
||
|
|
if (op->common.node) {
|
||
|
|
op->common.node->type = (u8) object_type;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#ifdef ACPI_ASL_COMPILER
|
||
|
|
/*
|
||
|
|
* For external opcode, get the object type from the argument and
|
||
|
|
* get the parameter count from the argument's next.
|
||
|
|
*/
|
||
|
|
if (acpi_gbl_disasm_flag &&
|
||
|
|
op->common.node && op->common.aml_opcode == AML_EXTERNAL_OP) {
|
||
|
|
/*
|
||
|
|
* Note, if this external is not a method
|
||
|
|
* Op->Common.Value.Arg->Common.Next->Common.Value.Integer == 0
|
||
|
|
* Therefore, param_count will be 0.
|
||
|
|
*/
|
||
|
|
param_count =
|
||
|
|
(u8)op->common.value.arg->common.next->common.value.integer;
|
||
|
|
object_type = (u8)op->common.value.arg->common.value.integer;
|
||
|
|
op->common.node->flags |= ANOBJ_IS_EXTERNAL;
|
||
|
|
op->common.node->type = (u8)object_type;
|
||
|
|
|
||
|
|
acpi_dm_create_subobject_for_external((u8)object_type,
|
||
|
|
&op->common.node,
|
||
|
|
param_count);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Add the external to the external list because we may be
|
||
|
|
* emitting code based off of the items within the external list.
|
||
|
|
*/
|
||
|
|
acpi_dm_add_op_to_external_list(op, op->named.path,
|
||
|
|
(u8)object_type, param_count,
|
||
|
|
ACPI_EXT_ORIGIN_FROM_OPCODE |
|
||
|
|
ACPI_EXT_RESOLVED_REFERENCE);
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
* If we are executing a method, do not create any namespace objects
|
||
|
|
* during the load phase, only during execution.
|
||
|
|
*/
|
||
|
|
if (!walk_state->method_node) {
|
||
|
|
if (op->common.aml_opcode == AML_METHOD_OP) {
|
||
|
|
/*
|
||
|
|
* method_op pkg_length name_string method_flags term_list
|
||
|
|
*
|
||
|
|
* Note: We must create the method node/object pair as soon as we
|
||
|
|
* see the method declaration. This allows later pass1 parsing
|
||
|
|
* of invocations of the method (need to know the number of
|
||
|
|
* arguments.)
|
||
|
|
*/
|
||
|
|
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
|
||
|
|
"LOADING-Method: State=%p Op=%p NamedObj=%p\n",
|
||
|
|
walk_state, op, op->named.node));
|
||
|
|
|
||
|
|
if (!acpi_ns_get_attached_object(op->named.node)) {
|
||
|
|
walk_state->operands[0] =
|
||
|
|
ACPI_CAST_PTR(void, op->named.node);
|
||
|
|
walk_state->num_operands = 1;
|
||
|
|
|
||
|
|
status =
|
||
|
|
acpi_ds_create_operands(walk_state,
|
||
|
|
op->common.value.
|
||
|
|
arg);
|
||
|
|
if (ACPI_SUCCESS(status)) {
|
||
|
|
status =
|
||
|
|
acpi_ex_create_method(op->named.
|
||
|
|
data,
|
||
|
|
op->named.
|
||
|
|
length,
|
||
|
|
walk_state);
|
||
|
|
}
|
||
|
|
|
||
|
|
walk_state->operands[0] = NULL;
|
||
|
|
walk_state->num_operands = 0;
|
||
|
|
|
||
|
|
if (ACPI_FAILURE(status)) {
|
||
|
|
return_ACPI_STATUS(status);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Pop the scope stack (only if loading a table) */
|
||
|
|
|
||
|
|
if (!walk_state->method_node &&
|
||
|
|
op->common.aml_opcode != AML_EXTERNAL_OP &&
|
||
|
|
acpi_ns_opens_scope(object_type)) {
|
||
|
|
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
|
||
|
|
"(%s): Popping scope for Op %p\n",
|
||
|
|
acpi_ut_get_type_name(object_type), op));
|
||
|
|
|
||
|
|
status = acpi_ds_scope_stack_pop(walk_state);
|
||
|
|
}
|
||
|
|
|
||
|
|
return_ACPI_STATUS(status);
|
||
|
|
}
|