acpi: add aml_lless() term

Add encoding for ACPI DefLLess Opcode.
Reviewed-by: NShannon Zhao <zhaoshenglong@huawei.com>
Reviewed-by: NIgor Mammedov <imammedo@redhat.com>
Signed-off-by: NMarcel Apfelbaum <marcel@redhat.com>
Reviewed-by: NMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>

hw/acpi/aml-build.c

@@ -455,6 +455,15 @@ Aml *aml_or(Aml *arg1, Aml *arg2)
     return var;
 }
 
+/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLLess */
+Aml *aml_lless(Aml *arg1, Aml *arg2)
+{
+    Aml *var = aml_opcode(0x95 /* LLessOp */);
+    aml_append(var, arg1);
+    aml_append(var, arg2);
+    return var;
+}
+
 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefAdd */
 Aml *aml_add(Aml *arg1, Aml *arg2)
 {

include/hw/acpi/aml-build.h

@@ -202,6 +202,7 @@ Aml *aml_arg(int pos);
 Aml *aml_store(Aml *val, Aml *target);
 Aml *aml_and(Aml *arg1, Aml *arg2);
 Aml *aml_or(Aml *arg1, Aml *arg2);
+Aml *aml_lless(Aml *arg1, Aml *arg2);
 Aml *aml_add(Aml *arg1, Aml *arg2);
 Aml *aml_notify(Aml *arg1, Aml *arg2);
 Aml *aml_call1(const char *method, Aml *arg1);