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, 142 insertions, 0 deletions

diff --git a/tests/tcg/cris/libc/check_bound.c b/tests/tcg/cris/libc/check_bound.c
new file mode 100644
index 000000000..d956ab9ad
--- /dev/null
+++ b/tests/tcg/cris/libc/check_bound.c
@@ -0,0 +1,142 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include "sys.h"
+#include "crisutils.h"
+
+static always_inline int cris_bound_b(int v, int b)
+{
+	int r = v;
+	asm ("bound.b\t%1, %0\n" : "+r" (r) : "ri" (b));
+	return r;
+}
+
+static always_inline int cris_bound_w(int v, int b)
+{
+	int r = v;
+	asm ("bound.w\t%1, %0\n" : "+r" (r) : "ri" (b));
+	return r;
+}
+
+static always_inline int cris_bound_d(int v, int b)
+{
+	int r = v;
+	asm ("bound.d\t%1, %0\n" : "+r" (r) : "ri" (b));
+	return r;
+}
+
+int main(void)
+{
+	int r;
+
+	cris_tst_cc_init();
+	r = cris_bound_d(-1, 2);
+	cris_tst_cc(0, 0, 0, 0);
+	if (r != 2)
+		err();
+
+	cris_tst_cc_init();
+	r = cris_bound_d(2, 0xffffffff);
+	cris_tst_cc(0, 0, 0, 0);
+	if (r != 2)
+		err();
+
+	cris_tst_cc_init();
+	r = cris_bound_d(0xffff, 0xffff);
+	cris_tst_cc(0, 0, 0, 0);
+	if (r != 0xffff)
+		err();
+
+	cris_tst_cc_init();
+	r = cris_bound_d(-1, 0xffffffff);
+	cris_tst_cc(1, 0, 0, 0);
+	if (r != 0xffffffff)
+		err();
+
+	cris_tst_cc_init();
+	r = cris_bound_d(0x78134452, 0x5432f789);
+	cris_tst_cc(0, 0, 0, 0);
+	if (r != 0x5432f789)
+		err();
+
+	cris_tst_cc_init();
+	r = cris_bound_w(-1, 2);
+	cris_tst_cc(0, 0, 0, 0);
+	if (r != 2)
+		err();
+
+	cris_tst_cc_init();
+	r = cris_bound_w(-1, 0xffff);
+	cris_tst_cc(0, 0, 0, 0);
+	if (r != 0xffff)
+		err();
+
+	cris_tst_cc_init();
+	r = cris_bound_w(2, 0xffff);
+	cris_tst_cc(0, 0, 0, 0);
+	if (r != 2)
+		err();
+
+	cris_tst_cc_init();
+	r = cris_bound_w(0xfedaffff, 0xffff);
+	cris_tst_cc(0, 0, 0, 0);
+	if (r != 0xffff)
+		err();
+
+	cris_tst_cc_init();
+	r = cris_bound_w(0x78134452, 0xf789);
+	cris_tst_cc(0, 0, 0, 0);
+	if (r != 0xf789)
+		err();
+
+	cris_tst_cc_init();
+	r = cris_bound_b(-1, 2);
+	cris_tst_cc(0, 0, 0, 0);
+	if (r != 2)
+		err();
+
+	cris_tst_cc_init();
+	r = cris_bound_b(2, 0xff);
+	cris_tst_cc(0, 0, 0, 0);
+	if (r != 2)
+		err();
+
+	cris_tst_cc_init();
+	r = cris_bound_b(-1, 0xff);
+	cris_tst_cc(0, 0, 0, 0);
+	if (r != 0xff)
+		err();
+
+	cris_tst_cc_init();
+	r = cris_bound_b(0xff, 0xff);
+	cris_tst_cc(0, 0, 0, 0);
+	if (r != 0xff)
+		err();
+
+	cris_tst_cc_init();
+	r = cris_bound_b(0xfeda49ff, 0xff);
+	cris_tst_cc(0, 0, 0, 0);
+	if (r != 0xff)
+		err();
+
+	cris_tst_cc_init();
+	r = cris_bound_b(0x78134452, 0x89);
+	cris_tst_cc(0, 0, 0, 0);
+	if (r != 0x89)
+		err();
+
+	cris_tst_cc_init();
+	r = cris_bound_w(0x78134452, 0);
+	cris_tst_cc(0, 1, 0, 0);
+	if (r != 0)
+		err();
+
+	cris_tst_cc_init();
+	r = cris_bound_b(0xffff, -1);
+	cris_tst_cc(0, 0, 0, 0);
+	if (r != 0xff)
+		err();
+
+	pass();
+	return 0;
+}