acpi: add aml_add() term

Add encoding for ACPI DefAdd Opcode.

Reviewed-by: Igor Mammedov <[email protected]>
Signed-off-by: Marcel Apfelbaum <[email protected]>
Reviewed-by: Michael S. Tsirkin <[email protected]>
Signed-off-by: Michael S. Tsirkin <[email protected]>
Reviewed-by: Shannon Zhao <[email protected]>

diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 4cc0c61fa77a4071af57f6424e58851e2e100fed..f29c71a4fdda6f7e97cb3f76045a50e54dade3f6 100644 (file)
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -455,6 +455,16 @@ Aml *aml_or(Aml *arg1, Aml *arg2)
     return var;
 }
 
+/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefAdd */
+Aml *aml_add(Aml *arg1, Aml *arg2)
+{
+    Aml *var = aml_opcode(0x72 /* AddOp */);
+    aml_append(var, arg1);
+    aml_append(var, arg2);
+    build_append_byte(var->buf, 0x00 /* NullNameOp */);
+    return var;
+}
+
 /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefNotify */
 Aml *aml_notify(Aml *arg1, Aml *arg2)
 {

diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index 9773bfd06b29fa97bd9f5af1201472e9a58b6b4f..42448ae1118d72ff816809898bf06df66958a167 100644 (file)
--- a/include/hw/acpi/aml-build.h
+++ b/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_add(Aml *arg1, Aml *arg2);
 Aml *aml_notify(Aml *arg1, Aml *arg2);
 Aml *aml_call1(const char *method, Aml *arg1);
 Aml *aml_call2(const char *method, Aml *arg1, Aml *arg2);