void *acpi_ut_allocate_object_desc_dbg(const char *module_name,
u32 line_number, u32 component_id)
{
union acpi_operand_object *object;
ACPI_FUNCTION_TRACE(ut_allocate_object_desc_dbg);
object = acpi_os_acquire_object(acpi_gbl_operand_cache);
if (!object) {
ACPI_ERROR((module_name, line_number,
"Could not allocate an object descriptor"));
return_PTR(NULL);
}
memset(object, 0, sizeof(union acpi_operand_object));
ACPI_SET_DESCRIPTOR_TYPE(object, ACPI_DESC_TYPE_OPERAND);
ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "%p Size %X\n",
object, (u32) sizeof(union acpi_operand_object)));
return_PTR(object);
}
struct acpi_namespace_node *acpi_ns_create_node(u32 name)
{
struct acpi_namespace_node *node;
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
u32 temp;
#endif
ACPI_FUNCTION_TRACE(ns_create_node);
node = acpi_os_acquire_object(acpi_gbl_namespace_cache);
if (!node) {
return_PTR(NULL);
}
ACPI_MEM_TRACKING(acpi_gbl_ns_node_list->total_allocated++);
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
temp = acpi_gbl_ns_node_list->total_allocated -
acpi_gbl_ns_node_list->total_freed;
if (temp > acpi_gbl_ns_node_list->max_occupied) {
acpi_gbl_ns_node_list->max_occupied = temp;
}
#endif
node->name.integer = name;
ACPI_SET_DESCRIPTOR_TYPE(node, ACPI_DESC_TYPE_NAMED);
return_PTR(node);
}
union acpi_parse_object *acpi_ps_alloc_op(u16 opcode, u8 *aml)
{
union acpi_parse_object *op;
const struct acpi_opcode_info *op_info;
u8 flags = ACPI_PARSEOP_GENERIC;
ACPI_FUNCTION_ENTRY();
op_info = acpi_ps_get_opcode_info(opcode);
/* Determine type of parse_op required */
if (op_info->flags & AML_DEFER) {
flags = ACPI_PARSEOP_DEFERRED;
} else if (op_info->flags & AML_NAMED) {
flags = ACPI_PARSEOP_NAMED_OBJECT;
} else if (opcode == AML_INT_BYTELIST_OP) {
flags = ACPI_PARSEOP_BYTELIST;
}
/* Allocate the minimum required size object */
if (flags == ACPI_PARSEOP_GENERIC) {
/* The generic op (default) is by far the most common (16 to 1) */
op = acpi_os_acquire_object(acpi_gbl_ps_node_cache);
} else {
/* Extended parseop */
op = acpi_os_acquire_object(acpi_gbl_ps_node_ext_cache);
}
/* Initialize the Op */
if (op) {
acpi_ps_init_op(op, opcode);
op->common.aml = aml;
op->common.flags = flags;
}
return (op);
}
union acpi_parse_object *acpi_ps_alloc_op(u16 opcode)
{
union acpi_parse_object *op;
const struct acpi_opcode_info *op_info;
u8 flags = ACPI_PARSEOP_GENERIC;
ACPI_FUNCTION_ENTRY();
op_info = acpi_ps_get_opcode_info(opcode);
if (op_info->flags & AML_DEFER) {
flags = ACPI_PARSEOP_DEFERRED;
} else if (op_info->flags & AML_NAMED) {
flags = ACPI_PARSEOP_NAMED;
} else if (opcode == AML_INT_BYTELIST_OP) {
flags = ACPI_PARSEOP_BYTELIST;
}
if (flags == ACPI_PARSEOP_GENERIC) {
op = acpi_os_acquire_object(acpi_gbl_ps_node_cache);
} else {
op = acpi_os_acquire_object(acpi_gbl_ps_node_ext_cache);
}
if (op) {
acpi_ps_init_op(op, opcode);
op->common.flags = flags;
}
return (op);
}
union acpi_generic_state *acpi_ut_create_generic_state(void)
{
union acpi_generic_state *state;
ACPI_FUNCTION_ENTRY();
state = acpi_os_acquire_object(acpi_gbl_state_cache);
if (state) {
/* Initialize */
state->common.descriptor_type = ACPI_DESC_TYPE_STATE;
}
return (state);
}
/**ltl
* 功能: 创建命名空间对象
* 参数:
* 返回值:
* 说明: 为命名空间名字赋值，同时设定标志ACPI_DESC_TYPE_NAMED
*/
struct acpi_namespace_node *acpi_ns_create_node(u32 name)
{
struct acpi_namespace_node *node;
ACPI_FUNCTION_TRACE(ns_create_node);
node = acpi_os_acquire_object(acpi_gbl_namespace_cache);
if (!node) {
return_PTR(NULL);
}
ACPI_MEM_TRACKING(acpi_gbl_ns_node_list->total_allocated++);
node->name.integer = name;
ACPI_SET_DESCRIPTOR_TYPE(node, ACPI_DESC_TYPE_NAMED);
return_PTR(node);
}
