acpi: add aml_local() 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>

1 files changed, 11 insertions, 0 deletions

diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index b91141e..fabd0ad 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -596,3 +596,14 @@ Aml *aml_field(const char *name, AmlFieldFlags flags)
     build_append_byte(var->buf, flags);
     return var;
 }
+
+/* ACPI 1.0b: 16.2.6.2 Local Objects Encoding */
+Aml *aml_local(int num)
+{
+    Aml *var;
+    uint8_t op = 0x60 /* Local0Op */ + num;
+
+    assert(num <= 7);
+    var = aml_opcode(op);
+    return var;
+}