acpi: add aml_increment() term

Add encoding for ACPI DefIncrement Opcode. Reviewed-by: Shannon Zhao <zhaoshenglong@huawei.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Marcel Apfelbaum <marcel@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
qemu · Jun 1, 2015 · af39d53 · af39d53
1 parent f7bd7b8
commit af39d53
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diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
@@ -494,6 +494,14 @@ Aml *aml_add(Aml *arg1, Aml *arg2)
     return var;
 }
 
+/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefIncrement */
+Aml *aml_increment(Aml *arg)
+{
+    Aml *var = aml_opcode(0x75 /* IncrementOp */);
+    aml_append(var, arg);
+    return var;
+}
+
 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefIndex */
 Aml *aml_index(Aml *arg1, Aml *idx)
 {

diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
@@ -206,6 +206,7 @@ Aml *aml_shiftleft(Aml *arg1, Aml *count);
 Aml *aml_shiftright(Aml *arg1, Aml *count);
 Aml *aml_lless(Aml *arg1, Aml *arg2);
 Aml *aml_add(Aml *arg1, Aml *arg2);
+Aml *aml_increment(Aml *arg);
 Aml *aml_index(Aml *arg1, Aml *idx);
 Aml *aml_notify(Aml *arg1, Aml *arg2);
 Aml *aml_call1(const char *method, Aml *arg1);