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path: root/drivers/acpi/acpica/dswload.c
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Diffstat (limited to 'drivers/acpi/acpica/dswload.c')
-rw-r--r--drivers/acpi/acpica/dswload.c42
1 files changed, 40 insertions, 2 deletions
diff --git a/drivers/acpi/acpica/dswload.c b/drivers/acpi/acpica/dswload.c
index cafb3ab567ab..eaa859a89702 100644
--- a/drivers/acpi/acpica/dswload.c
+++ b/drivers/acpi/acpica/dswload.c
@@ -397,7 +397,7 @@ acpi_ds_load1_begin_op(struct acpi_walk_state *walk_state,
/* Initialize the op */
#if (defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY))
- op->named.path = ACPI_CAST_PTR(u8, path);
+ op->named.path = path;
#endif
if (node) {
@@ -434,6 +434,10 @@ acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state)
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;
@@ -514,6 +518,38 @@ acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state)
}
}
}
+#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
@@ -563,7 +599,9 @@ acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state)
/* Pop the scope stack (only if loading a table) */
- if (!walk_state->method_node && acpi_ns_opens_scope(object_type)) {
+ 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));