[PATCH 05/15] acpi: add aml_object_type

[Xiao Guangrong <guangrong.xiao@xxxxxxxxxxxxxxx>]

Implement ObjectType which is used by NVDIMM _DSM method in
later patch

Signed-off-by: Xiao Guangrong <guangrong.xiao@xxxxxxxxxxxxxxx>
---
 hw/acpi/aml-build.c         | 8 ++++++++
 include/hw/acpi/aml-build.h | 1 +
 2 files changed, 9 insertions(+)

diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index ab89ca6..85c3ef7 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -1472,6 +1472,14 @@ Aml *aml_concatenate(Aml *source1, Aml *source2, Aml *target)
                                  target);
 }
 
+/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefObjectType */
+Aml *aml_object_type(Aml *object)
+{
+    Aml *var = aml_opcode(0x8E /* ObjectTypeOp */);
+    aml_append(var, object);
+    return var;
+}
+
 void
 build_header(GArray *linker, GArray *table_data,
              AcpiTableHeader *h, const char *sig, int len, uint8_t rev,
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index 66f48ec..5b135cf 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -354,6 +354,7 @@ Aml *aml_unicode(const char *str);
 Aml *aml_derefof(Aml *arg);
 Aml *aml_sizeof(Aml *arg);
 Aml *aml_concatenate(Aml *source1, Aml *source2, Aml *target);
+Aml *aml_object_type(Aml *object);
 
 void
 build_header(GArray *linker, GArray *table_data,
-- 
1.8.3.1

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