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, 34 insertions, 0 deletions

diff --git a/target/ppc/mfrom_table_gen.c b/target/ppc/mfrom_table_gen.c
new file mode 100644
index 000000000..f96c4268b
--- /dev/null
+++ b/target/ppc/mfrom_table_gen.c
@@ -0,0 +1,34 @@
+#define _GNU_SOURCE
+#include "qemu/osdep.h"
+#include <math.h>
+
+int main(void)
+{
+    double d;
+    uint8_t n;
+    int i;
+
+    printf("static const uint8_t mfrom_ROM_table[602] =\n{\n    ");
+    for (i = 0; i < 602; i++) {
+        /*
+         * Extremely decomposed:
+         *                    -T0 / 256
+         * T0 = 256 * log10(10          + 1.0) + 0.5
+         */
+        d = -i;
+        d /= 256.0;
+        d = exp10(d);
+        d += 1.0;
+        d = log10(d);
+        d *= 256;
+        d += 0.5;
+        n = d;
+        printf("%3d, ", n);
+        if ((i & 7) == 7) {
+            printf("\n    ");
+        }
+    }
+    printf("\n};\n");
+
+    return 0;
+}