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, 45 insertions, 0 deletions

diff --git a/tests/tcg/cris/libc/check_settls1.c b/tests/tcg/cris/libc/check_settls1.c
new file mode 100644
index 000000000..3abc3a9ea
--- /dev/null
+++ b/tests/tcg/cris/libc/check_settls1.c
@@ -0,0 +1,45 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <unistd.h>
+
+#include <sys/syscall.h>
+
+#ifndef SYS_set_thread_area
+#define SYS_set_thread_area 243
+#endif
+
+int main (void)
+{
+    unsigned long tp, old_tp;
+    int ret;
+
+    asm volatile ("move $pid,%0" : "=r" (old_tp));
+    old_tp &= ~0xff;
+
+    ret = syscall (SYS_set_thread_area, 0xf0);
+    if (ret != -1 || errno != EINVAL) {
+        syscall (SYS_set_thread_area, old_tp);
+        perror ("Invalid thread area accepted:");
+        abort();
+    }
+
+    ret = syscall (SYS_set_thread_area, 0xeddeed00);
+    if (ret != 0) {
+        perror ("Valid thread area not accepted: ");
+        abort ();
+    }
+
+    asm volatile ("move $pid,%0" : "=r" (tp));
+    tp &= ~0xff;
+    syscall (SYS_set_thread_area, old_tp);
+
+    if (tp != 0xeddeed00) {
+        * (volatile int *) 0 = 0;
+        perror ("tls2");
+        abort ();
+    }
+
+    printf ("pass\n");
+    return EXIT_SUCCESS;
+}