Add qemu 2.4.0

[kvmfornfv.git] / qemu / target-ppc / mfrom_table_gen.c

diff --git a/qemu/target-ppc/mfrom_table_gen.c b/qemu/target-ppc/mfrom_table_gen.c
new file mode 100644 (file)
index 0000000..a140ded
--- /dev/null
+++ b/qemu/target-ppc/mfrom_table_gen.c
@@ -0,0 +1,33 @@
+#define _GNU_SOURCE
+#include <stdint.h>
+#include <stdio.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;
+}