acpi: add aml_and() term

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 57e3176..bb1fbbc 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -417,6 +417,16 @@
     return var;
 }
 
+/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefAnd */
+Aml *aml_and(Aml *arg1, Aml *arg2)
+{
+    Aml *var = aml_opcode(0x7B /* AndOp */);
+    aml_append(var, arg1);
+    aml_append(var, arg2);
+    build_append_int(var->buf, 0x00 /* NullNameOp */);
+    return var;
+}
+
 /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefIfElse */
 Aml *aml_if(Aml *predicate)
 {