a

1 files changed, 31 insertions, 0 deletions

diff --git a/src/tools/mkgenome.c b/src/tools/mkgenome.c
new file mode 100644
index 0000000..bb2e787
--- /dev/null
+++ b/src/tools/mkgenome.c
@@ -0,0 +1,31 @@
+/* turns a genome image (little-endian 64-bit words on stdin, as written by
+   src/tools/build.zc) into genome.h */
+#include <stdio.h>
+#include <stdint.h>
+#ifdef _WIN32
+#include <fcntl.h>
+#include <io.h>
+#endif
+#include "memmap.h"
+int main(void)
+{
+#ifdef _WIN32
+	_setmode(_fileno(stdin), _O_BINARY);
+	_setmode(_fileno(stdout), _O_BINARY);
+#endif
+	unsigned char b[8]; int n = 0; size_t got;
+	printf("#define GORG %d\nstatic const int64_t genome[] = {", GORG);
+	while ((got = fread(b, 1, 8, stdin)) == 8) {
+		uint64_t u = (uint64_t)b[0] | (uint64_t)b[1] << 8 | (uint64_t)b[2] << 16 | (uint64_t)b[3] << 24
+			| (uint64_t)b[4] << 32 | (uint64_t)b[5] << 40 | (uint64_t)b[6] << 48 | (uint64_t)b[7] << 56;
+		if ((n == 0 && u != (uint64_t)FTOP * 2 + 1) ||
+		    (n == 1 && u != (uint64_t)ZFP * 2 + 1) || (n == 2 && u != 4)) {
+			fprintf(stderr, "mkgenome: input is not a genome for this map\n"); return 1;
+		}
+		printf("%s%lld", !n ? "\n" : n % 12 ? "," : ",\n", (long long)u);
+		n++;
+	}
+	if (got || ferror(stdin) || n < 7) { fprintf(stderr, "mkgenome: incomplete genome\n"); return 1; }
+	printf("\n};\n#define GLEN %d\n", n);
+	return n ? 0 : 1;
+}