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author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
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committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/target-ppc/mfrom_table_gen.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/target-ppc/mfrom_table_gen.c')
-rw-r--r-- | qemu/target-ppc/mfrom_table_gen.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/qemu/target-ppc/mfrom_table_gen.c b/qemu/target-ppc/mfrom_table_gen.c new file mode 100644 index 000000000..a140ded47 --- /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; +} |