Introduce Virtio-loopback epsilon release:

Epsilon release introduces a new compatibility layer which make virtio-loopback
design to work with QEMU and rust-vmm vhost-user backend without require any
changes.

Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9

1 files changed, 37 insertions, 0 deletions

diff --git a/target/mips/tcg/rel6_translate.c b/target/mips/tcg/rel6_translate.c
new file mode 100644
index 000000000..d63185125
--- /dev/null
+++ b/target/mips/tcg/rel6_translate.c
@@ -0,0 +1,37 @@
+/*
+ *  MIPS emulation for QEMU - Release 6 translation routines
+ *
+ *  Copyright (c) 2020 Philippe Mathieu-Daudé
+ *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
+ * This code is licensed under the LGPL v2.1 or later.
+ */
+
+#include "qemu/osdep.h"
+#include "tcg/tcg-op.h"
+#include "exec/helper-gen.h"
+#include "translate.h"
+
+/* Include the auto-generated decoders.  */
+#include "decode-rel6.c.inc"
+
+bool trans_REMOVED(DisasContext *ctx, arg_REMOVED *a)
+{
+    gen_reserved_instruction(ctx);
+
+    return true;
+}
+
+static bool trans_LSA(DisasContext *ctx, arg_r *a)
+{
+    return gen_lsa(ctx, a->rd, a->rt, a->rs, a->sa);
+}
+
+static bool trans_DLSA(DisasContext *ctx, arg_r *a)
+{
+    if (TARGET_LONG_BITS != 64) {
+        return false;
+    }
+    return gen_dlsa(ctx, a->rd, a->rt, a->rs, a->sa);
+}