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, 36 insertions, 0 deletions

diff --git a/tcg/mips/tcg-target-con-set.h b/tcg/mips/tcg-target-con-set.h
new file mode 100644
index 000000000..fe3e868a2
--- /dev/null
+++ b/tcg/mips/tcg-target-con-set.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Define MIPS target-specific constraint sets.
+ * Copyright (c) 2021 Linaro
+ */
+
+/*
+ * C_On_Im(...) defines a constraint set with <n> outputs and <m> inputs.
+ * Each operand should be a sequence of constraint letters as defined by
+ * tcg-target-con-str.h; the constraint combination is inclusive or.
+ */
+C_O0_I1(r)
+C_O0_I2(rZ, r)
+C_O0_I2(rZ, rZ)
+C_O0_I2(SZ, S)
+C_O0_I3(SZ, S, S)
+C_O0_I3(SZ, SZ, S)
+C_O0_I4(rZ, rZ, rZ, rZ)
+C_O0_I4(SZ, SZ, S, S)
+C_O1_I1(r, L)
+C_O1_I1(r, r)
+C_O1_I2(r, 0, rZ)
+C_O1_I2(r, L, L)
+C_O1_I2(r, r, ri)
+C_O1_I2(r, r, rI)
+C_O1_I2(r, r, rIK)
+C_O1_I2(r, r, rJ)
+C_O1_I2(r, r, rWZ)
+C_O1_I2(r, rZ, rN)
+C_O1_I2(r, rZ, rZ)
+C_O1_I4(r, rZ, rZ, rZ, 0)
+C_O1_I4(r, rZ, rZ, rZ, rZ)
+C_O2_I1(r, r, L)
+C_O2_I2(r, r, L, L)
+C_O2_I2(r, r, r, r)
+C_O2_I4(r, r, rZ, rZ, rN, rN)