/****************************************************************************** * * Module Name: excreate - Named object creation * *****************************************************************************/ /* * Copyright (C) 2000 - 2005, 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/acinterp.h>#include <acpi/amlcode.h>#include <acpi/acnamesp.h>#include <acpi/acevents.h>#include <acpi/actables.h> #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME ("excreate") #ifndef ACPI_NO_METHOD_EXECUTION/******************************************************************************* * * FUNCTION: acpi_ex_create_alias * * PARAMETERS: walk_state - Current state, contains operands * * RETURN: Status * * DESCRIPTION: Create a new named alias * ******************************************************************************/ acpi_statusacpi_ex_create_alias ( struct acpi_walk_state *walk_state){ struct acpi_namespace_node *target_node; struct acpi_namespace_node *alias_node; acpi_status status = AE_OK; ACPI_FUNCTION_TRACE ("ex_create_alias"); /* Get the source/alias operands (both namespace nodes) */ alias_node = (struct acpi_namespace_node *) walk_state->operands[0]; target_node = (struct acpi_namespace_node *) walk_state->operands[1]; if ((target_node->type == ACPI_TYPE_LOCAL_ALIAS) || (target_node->type == ACPI_TYPE_LOCAL_METHOD_ALIAS)) { /* * Dereference an existing alias so that we don't create a chain * of aliases. With this code, we guarantee that an alias is * always exactly one level of indirection away from the * actual aliased name. */ target_node = ACPI_CAST_PTR (struct acpi_namespace_node, target_node->object); } /* * For objects that can never change (i.e., the NS node will * permanently point to the same object), we can simply attach * the object to the new NS node. For other objects (such as * Integers, buffers, etc.), we have to point the Alias node * to the original Node. */ switch (target_node->type) { case ACPI_TYPE_INTEGER: case ACPI_TYPE_STRING: case ACPI_TYPE_BUFFER: case ACPI_TYPE_PACKAGE: case ACPI_TYPE_BUFFER_FIELD: /* * The new alias has the type ALIAS and points to the original * NS node, not the object itself. This is because for these * types, the object can change dynamically via a Store. */ alias_node->type = ACPI_TYPE_LOCAL_ALIAS; alias_node->object = ACPI_CAST_PTR (union acpi_operand_object, target_node); break; case ACPI_TYPE_METHOD: /* * The new alias has the type ALIAS and points to the original * NS node, not the object itself. This is because for these * types, the object can change dynamically via a Store. */ alias_node->type = ACPI_TYPE_LOCAL_METHOD_ALIAS; alias_node->object = ACPI_CAST_PTR (union acpi_operand_object, target_node); break; default: /* Attach the original source object to the new Alias Node */ /* * The new alias assumes the type of the target, and it points * to the same object. The reference count of the object has an * additional reference to prevent deletion out from under either the * target node or the alias Node */ status = acpi_ns_attach_object (alias_node, acpi_ns_get_attached_object (target_node), target_node->type); break; } /* Since both operands are Nodes, we don't need to delete them */ return_ACPI_STATUS (status);} /******************************************************************************* * * FUNCTION: acpi_ex_create_event * * PARAMETERS: walk_state - Current state * * RETURN: Status * * DESCRIPTION: Create a new event object * ******************************************************************************/ acpi_statusacpi_ex_create_event ( struct acpi_walk_state *walk_state){ acpi_status status; union acpi_operand_object *obj_desc; ACPI_FUNCTION_TRACE ("ex_create_event"); obj_desc = acpi_ut_create_internal_object (ACPI_TYPE_EVENT); if (!obj_desc) { status = AE_NO_MEMORY; goto cleanup; } /* * Create the actual OS semaphore, with zero initial units -- meaning * that the event is created in an unsignalled state */ status = acpi_os_create_semaphore (ACPI_NO_UNIT_LIMIT, 0, &obj_desc->event.semaphore); if (ACPI_FAILURE (status)) { goto cleanup; } /* Attach object to the Node */ status = acpi_ns_attach_object ((struct acpi_namespace_node *) walk_state->operands[0], obj_desc, ACPI_TYPE_EVENT); cleanup: /* * Remove local reference to the object (on error, will cause deletion * of both object and semaphore if present.) */ acpi_ut_remove_reference (obj_desc); return_ACPI_STATUS (status);} /******************************************************************************* * * FUNCTION: acpi_ex_create_mutex * * PARAMETERS: walk_state - Current state * * RETURN: Status * * DESCRIPTION: Create a new mutex object * * Mutex (Name[0], sync_level[1]) * ******************************************************************************/ acpi_statusacpi_ex_create_mutex ( struct acpi_walk_state *walk_state){ acpi_status status = AE_OK; union acpi_operand_object *obj_desc; ACPI_FUNCTION_TRACE_PTR ("ex_create_mutex", ACPI_WALK_OPERANDS); /* Create the new mutex object */ obj_desc = acpi_ut_create_internal_object (ACPI_TYPE_MUTEX); if (!obj_desc) { status = AE_NO_MEMORY; goto cleanup; } /* * Create the actual OS semaphore. * One unit max to make it a mutex, with one initial unit to allow * the mutex to be acquired. */ status = acpi_os_create_semaphore (1, 1, &obj_desc->mutex.semaphore); if (ACPI_FAILURE (status)) { goto cleanup; } /* Init object and attach to NS node */ obj_desc->mutex.sync_level = (u8) walk_state->operands[1]->integer.value; obj_desc->mutex.node = (struct acpi_namespace_node *) walk_state->operands[0]; status = acpi_ns_attach_object (obj_desc->mutex.node, obj_desc, ACPI_TYPE_MUTEX); cleanup: /* * Remove local reference to the object (on error, will cause deletion * of both object and semaphore if present.) */ acpi_ut_remove_reference (obj_desc); return_ACPI_STATUS (status);} /******************************************************************************* * * FUNCTION: acpi_ex_create_region * * PARAMETERS: aml_start - Pointer to the region declaration AML * aml_length - Max length of the declaration AML * region_space - space_iD for the region * walk_state - Current state * * RETURN: Status * * DESCRIPTION: Create a new operation region object * ******************************************************************************/ acpi_statusacpi_ex_create_region ( u8 *aml_start, u32 aml_length, u8 region_space, struct acpi_walk_state *walk_state){ acpi_status status; union acpi_operand_object *obj_desc; struct acpi_namespace_node *node; union acpi_operand_object *region_obj2; ACPI_FUNCTION_TRACE ("ex_create_region"); /* Get the Namespace Node */ node = walk_state->op->common.node; /* * If the region object is already attached to this node, * just return */ if (acpi_ns_get_attached_object (node)) { return_ACPI_STATUS (AE_OK); } /* * Space ID must be one of the predefined IDs, or in the user-defined * range */ if ((region_space >= ACPI_NUM_PREDEFINED_REGIONS) && (region_space < ACPI_USER_REGION_BEGIN)) { ACPI_REPORT_ERROR (("Invalid address_space type %X\n", region_space)); return_ACPI_STATUS (AE_AML_INVALID_SPACE_ID); } ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "Region Type - %s (%X)\n", acpi_ut_get_region_name (region_space), region_space)); /* Create the region descriptor */ obj_desc = acpi_ut_create_internal_object (ACPI_TYPE_REGION); if (!obj_desc) { status = AE_NO_MEMORY; goto cleanup; } /* * Remember location in AML stream of address & length * operands since they need to be evaluated at run time. */ region_obj2 = obj_desc->common.next_object; region_obj2->extra.aml_start = aml_start; region_obj2->extra.aml_length = aml_length; /* Init the region from the operands */ obj_desc->region.space_id = region_space; obj_desc->region.address = 0; obj_desc->region.length = 0; obj_desc->region.node = node; /* Install the new region object in the parent Node */ status = acpi_ns_attach_object (node, obj_desc, ACPI_TYPE_REGION); cleanup: /* Remove local reference to the object */ acpi_ut_remove_reference (obj_desc); return_ACPI_STATUS (status);} /******************************************************************************* * * FUNCTION: acpi_ex_create_table_region * * PARAMETERS: walk_state - Current state * * RETURN: Status * * DESCRIPTION: Create a new data_table_region object * ******************************************************************************/ acpi_statusacpi_ex_create_table_region ( struct acpi_walk_state *walk_state){ acpi_status status; union acpi_operand_object **operand = &walk_state->operands[0]; union acpi_operand_object *obj_desc; struct acpi_namespace_node *node; struct acpi_table_header *table; union acpi_operand_object *region_obj2; ACPI_FUNCTION_TRACE ("ex_create_table_region"); /* Get the Node from the object stack */ node = walk_state->op->common.node; /* * If the region object is already attached to this node, * just return */ if (acpi_ns_get_attached_object (node)) { return_ACPI_STATUS (AE_OK); } /* Find the ACPI table */ status = acpi_tb_find_table (operand[1]->string.pointer, operand[2]->string.pointer, operand[3]->string.pointer, &table); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); } /* Create the region descriptor */ obj_desc = acpi_ut_create_internal_object (ACPI_TYPE_REGION); if (!obj_desc) { return_ACPI_STATUS (AE_NO_MEMORY); } region_obj2 = obj_desc->common.next_object; region_obj2->extra.region_context = NULL; /* Init the region from the operands */ obj_desc->region.space_id = REGION_DATA_TABLE; obj_desc->region.address = (acpi_physical_address) ACPI_TO_INTEGER (table); obj_desc->region.length = table->length; obj_desc->region.node = node; obj_desc->region.flags = AOPOBJ_DATA_VALID; /* Install the new region object in the parent Node */ status = acpi_ns_attach_object (node, obj_desc, ACPI_TYPE_REGION); if (ACPI_FAILURE (status)) { goto cleanup; } status = acpi_ev_initialize_region (obj_desc, FALSE); if (ACPI_FAILURE (status)) { if (status == AE_NOT_EXIST) { status = AE_OK; } else { goto cleanup; } } obj_desc->region.flags |= AOPOBJ_SETUP_COMPLETE; cleanup: /* Remove local reference to the object */ acpi_ut_remove_reference (obj_desc); return_ACPI_STATUS (status);} /******************************************************************************* * * FUNCTION: acpi_ex_create_processor * * PARAMETERS: walk_state - Current state * * RETURN: Status * * DESCRIPTION: Create a new processor object and populate the fields * * Processor (Name[0], cpu_iD[1], pblock_addr[2], pblock_length[3]) * ******************************************************************************/ acpi_statusacpi_ex_create_processor ( struct acpi_walk_state *walk_state){ union acpi_operand_object **operand = &walk_state->operands[0]; union acpi_operand_object *obj_desc; acpi_status status; ACPI_FUNCTION_TRACE_PTR ("ex_create_processor", walk_state); /* Create the processor object */ obj_desc = acpi_ut_create_internal_object (ACPI_TYPE_PROCESSOR); if (!obj_desc) { return_ACPI_STATUS (AE_NO_MEMORY); } /* Initialize the processor object from the operands */ obj_desc->processor.proc_id = (u8) operand[1]->integer.value; obj_desc->processor.address = (acpi_io_address) operand[2]->integer.value; obj_desc->processor.length = (u8) operand[3]->integer.value; /* Install the processor object in the parent Node */ status = acpi_ns_attach_object ((struct acpi_namespace_node *) operand[0], obj_desc, ACPI_TYPE_PROCESSOR); Lines 1–500 of 644. 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/****************************************************************************** * * Module Name: excreate - Named object creation * *****************************************************************************/ /* * Copyright (C) 2000 - 2005, 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/acinterp.h> #include <acpi/amlcode.h> #include <acpi/acnamesp.h> #include <acpi/acevents.h> #include <acpi/actables.h> #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME ("excreate") #ifndef ACPI_NO_METHOD_EXECUTION /******************************************************************************* * * FUNCTION: acpi_ex_create_alias * * PARAMETERS: walk_state - Current state, contains operands * * RETURN: Status * * DESCRIPTION: Create a new named alias * ******************************************************************************/ acpi_status acpi_ex_create_alias ( struct acpi_walk_state *walk_state) { struct acpi_namespace_node *target_node; struct acpi_namespace_node *alias_node; acpi_status status = AE_OK; ACPI_FUNCTION_TRACE ("ex_create_alias"); /* Get the source/alias operands (both namespace nodes) */ alias_node = (struct acpi_namespace_node *) walk_state->operands[0]; target_node = (struct acpi_namespace_node *) walk_state->operands[1]; if ((target_node->type == ACPI_TYPE_LOCAL_ALIAS) || (target_node->type == ACPI_TYPE_LOCAL_METHOD_ALIAS)) { /* * Dereference an existing alias so that we don't create a chain * of aliases. With this code, we guarantee that an alias is * always exactly one level of indirection away from the * actual aliased name. */ target_node = ACPI_CAST_PTR (struct acpi_namespace_node, target_node->object); } /* * For objects that can never change (i.e., the NS node will * permanently point to the same object), we can simply attach * the object to the new NS node. For other objects (such as * Integers, buffers, etc.), we have to point the Alias node * to the original Node. */ switch (target_node->type) { case ACPI_TYPE_INTEGER: case ACPI_TYPE_STRING: case ACPI_TYPE_BUFFER: case ACPI_TYPE_PACKAGE: case ACPI_TYPE_BUFFER_FIELD: /* * The new alias has the type ALIAS and points to the original * NS node, not the object itself. This is because for these * types, the object can change dynamically via a Store. */ alias_node->type = ACPI_TYPE_LOCAL_ALIAS; alias_node->object = ACPI_CAST_PTR (union acpi_operand_object, target_node); break; case ACPI_TYPE_METHOD: /* * The new alias has the type ALIAS and points to the original * NS node, not the object itself. This is because for these * types, the object can change dynamically via a Store. */ alias_node->type = ACPI_TYPE_LOCAL_METHOD_ALIAS; alias_node->object = ACPI_CAST_PTR (union acpi_operand_object, target_node); break; default: /* Attach the original source object to the new Alias Node */ /* * The new alias assumes the type of the target, and it points * to the same object. The reference count of the object has an * additional reference to prevent deletion out from under either the * target node or the alias Node */ status = acpi_ns_attach_object (alias_node, acpi_ns_get_attached_object (target_node), target_node->type); break; } /* Since both operands are Nodes, we don't need to delete them */ return_ACPI_STATUS (status); } /******************************************************************************* * * FUNCTION: acpi_ex_create_event * * PARAMETERS: walk_state - Current state * * RETURN: Status * * DESCRIPTION: Create a new event object * ******************************************************************************/ acpi_status acpi_ex_create_event ( struct acpi_walk_state *walk_state) { acpi_status status; union acpi_operand_object *obj_desc; ACPI_FUNCTION_TRACE ("ex_create_event"); obj_desc = acpi_ut_create_internal_object (ACPI_TYPE_EVENT); if (!obj_desc) { status = AE_NO_MEMORY; goto cleanup; } /* * Create the actual OS semaphore, with zero initial units -- meaning * that the event is created in an unsignalled state */ status = acpi_os_create_semaphore (ACPI_NO_UNIT_LIMIT, 0, &obj_desc->event.semaphore); if (ACPI_FAILURE (status)) { goto cleanup; } /* Attach object to the Node */ status = acpi_ns_attach_object ((struct acpi_namespace_node *) walk_state->operands[0], obj_desc, ACPI_TYPE_EVENT); cleanup: /* * Remove local reference to the object (on error, will cause deletion * of both object and semaphore if present.) */ acpi_ut_remove_reference (obj_desc); return_ACPI_STATUS (status); } /******************************************************************************* * * FUNCTION: acpi_ex_create_mutex * * PARAMETERS: walk_state - Current state * * RETURN: Status * * DESCRIPTION: Create a new mutex object * * Mutex (Name[0], sync_level[1]) * ******************************************************************************/ acpi_status acpi_ex_create_mutex ( struct acpi_walk_state *walk_state) { acpi_status status = AE_OK; union acpi_operand_object *obj_desc; ACPI_FUNCTION_TRACE_PTR ("ex_create_mutex", ACPI_WALK_OPERANDS); /* Create the new mutex object */ obj_desc = acpi_ut_create_internal_object (ACPI_TYPE_MUTEX); if (!obj_desc) { status = AE_NO_MEMORY; goto cleanup; } /* * Create the actual OS semaphore. * One unit max to make it a mutex, with one initial unit to allow * the mutex to be acquired. */ status = acpi_os_create_semaphore (1, 1, &obj_desc->mutex.semaphore); if (ACPI_FAILURE (status)) { goto cleanup; } /* Init object and attach to NS node */ obj_desc->mutex.sync_level = (u8) walk_state->operands[1]->integer.value; obj_desc->mutex.node = (struct acpi_namespace_node *) walk_state->operands[0]; status = acpi_ns_attach_object (obj_desc->mutex.node, obj_desc, ACPI_TYPE_MUTEX); cleanup: /* * Remove local reference to the object (on error, will cause deletion * of both object and semaphore if present.) */ acpi_ut_remove_reference (obj_desc); return_ACPI_STATUS (status); } /******************************************************************************* * * FUNCTION: acpi_ex_create_region * * PARAMETERS: aml_start - Pointer to the region declaration AML * aml_length - Max length of the declaration AML * region_space - space_iD for the region * walk_state - Current state * * RETURN: Status * * DESCRIPTION: Create a new operation region object * ******************************************************************************/ acpi_status acpi_ex_create_region ( u8 *aml_start, u32 aml_length, u8 region_space, struct acpi_walk_state *walk_state) { acpi_status status; union acpi_operand_object *obj_desc; struct acpi_namespace_node *node; union acpi_operand_object *region_obj2; ACPI_FUNCTION_TRACE ("ex_create_region"); /* Get the Namespace Node */ node = walk_state->op->common.node; /* * If the region object is already attached to this node, * just return */ if (acpi_ns_get_attached_object (node)) { return_ACPI_STATUS (AE_OK); } /* * Space ID must be one of the predefined IDs, or in the user-defined * range */ if ((region_space >= ACPI_NUM_PREDEFINED_REGIONS) && (region_space < ACPI_USER_REGION_BEGIN)) { ACPI_REPORT_ERROR (("Invalid address_space type %X\n", region_space)); return_ACPI_STATUS (AE_AML_INVALID_SPACE_ID); } ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "Region Type - %s (%X)\n", acpi_ut_get_region_name (region_space), region_space)); /* Create the region descriptor */ obj_desc = acpi_ut_create_internal_object (ACPI_TYPE_REGION); if (!obj_desc) { status = AE_NO_MEMORY; goto cleanup; } /* * Remember location in AML stream of address & length * operands since they need to be evaluated at run time. */ region_obj2 = obj_desc->common.next_object; region_obj2->extra.aml_start = aml_start; region_obj2->extra.aml_length = aml_length; /* Init the region from the operands */ obj_desc->region.space_id = region_space; obj_desc->region.address = 0; obj_desc->region.length = 0; obj_desc->region.node = node; /* Install the new region object in the parent Node */ status = acpi_ns_attach_object (node, obj_desc, ACPI_TYPE_REGION); cleanup: /* Remove local reference to the object */ acpi_ut_remove_reference (obj_desc); return_ACPI_STATUS (status); } /******************************************************************************* * * FUNCTION: acpi_ex_create_table_region * * PARAMETERS: walk_state - Current state * * RETURN: Status * * DESCRIPTION: Create a new data_table_region object * ******************************************************************************/ acpi_status acpi_ex_create_table_region ( struct acpi_walk_state *walk_state) { acpi_status status; union acpi_operand_object **operand = &walk_state->operands[0]; union acpi_operand_object *obj_desc; struct acpi_namespace_node *node; struct acpi_table_header *table; union acpi_operand_object *region_obj2; ACPI_FUNCTION_TRACE ("ex_create_table_region"); /* Get the Node from the object stack */ node = walk_state->op->common.node; /* * If the region object is already attached to this node, * just return */ if (acpi_ns_get_attached_object (node)) { return_ACPI_STATUS (AE_OK); } /* Find the ACPI table */ status = acpi_tb_find_table (operand[1]->string.pointer, operand[2]->string.pointer, operand[3]->string.pointer, &table); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); } /* Create the region descriptor */ obj_desc = acpi_ut_create_internal_object (ACPI_TYPE_REGION); if (!obj_desc) { return_ACPI_STATUS (AE_NO_MEMORY); } region_obj2 = obj_desc->common.next_object; region_obj2->extra.region_context = NULL; /* Init the region from the operands */ obj_desc->region.space_id = REGION_DATA_TABLE; obj_desc->region.address = (acpi_physical_address) ACPI_TO_INTEGER (table); obj_desc->region.length = table->length; obj_desc->region.node = node; obj_desc->region.flags = AOPOBJ_DATA_VALID; /* Install the new region object in the parent Node */ status = acpi_ns_attach_object (node, obj_desc, ACPI_TYPE_REGION); if (ACPI_FAILURE (status)) { goto cleanup; } status = acpi_ev_initialize_region (obj_desc, FALSE); if (ACPI_FAILURE (status)) { if (status == AE_NOT_EXIST) { status = AE_OK; } else { goto cleanup; } } obj_desc->region.flags |= AOPOBJ_SETUP_COMPLETE; cleanup: /* Remove local reference to the object */ acpi_ut_remove_reference (obj_desc); return_ACPI_STATUS (status); } /******************************************************************************* * * FUNCTION: acpi_ex_create_processor * * PARAMETERS: walk_state - Current state * * RETURN: Status * * DESCRIPTION: Create a new processor object and populate the fields * * Processor (Name[0], cpu_iD[1], pblock_addr[2], pblock_length[3]) * ******************************************************************************/ acpi_status acpi_ex_create_processor ( struct acpi_walk_state *walk_state) { union acpi_operand_object **operand = &walk_state->operands[0]; union acpi_operand_object *obj_desc; acpi_status status; ACPI_FUNCTION_TRACE_PTR ("ex_create_processor", walk_state); /* Create the processor object */ obj_desc = acpi_ut_create_internal_object (ACPI_TYPE_PROCESSOR); if (!obj_desc) { return_ACPI_STATUS (AE_NO_MEMORY); } /* Initialize the processor object from the operands */ obj_desc->processor.proc_id = (u8) operand[1]->integer.value; obj_desc->processor.address = (acpi_io_address) operand[2]->integer.value; obj_desc->processor.length = (u8) operand[3]->integer.value; /* Install the processor object in the parent Node */ status = acpi_ns_attach_object ((struct acpi_namespace_node *) operand[0], obj_desc, ACPI_TYPE_PROCESSOR);