integrate zero-riscy

tools/bin2hex.c

@@ -0,0 +1,53 @@
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#define MEMBLK 1024
+
+int main(int argc, char **argv)
+{
+	unsigned char block[4];
+    unsigned int csum;
+	
+	int fd_i;
+	FILE *fd_o;
+	struct stat fileinfo;
+	
+	unsigned int i;
+	
+	if (argc != 3) {
+		printf("usage: %s binfile hexfile\n", argv[0]);
+		return -1;	
+	}
+	
+	if ((fd_i = open(argv[1], O_RDONLY)) == -1 || fstat(fd_i, &fileinfo) == -1) {
+		printf("Couldn't open file\n");
+		return -1;
+	}
+
+    printf("size: %u bytes\n", fileinfo.st_size);
+	
+	if ((fd_o = fopen(argv[2], "w")) == NULL) {
+		printf("invalid outfile\n");
+		return -1;
+	}
+	
+	for (i=0; i<fileinfo.st_size; i+=4) {
+		read(fd_i, (void*)block, 4);
+        csum = 0x04+((i/4)>>8)+((i/4)&0xff)+block[3]+block[2]+block[1]+block[0];
+        csum &= 0xff;
+        csum = (~csum+1)&0xff;
+		fprintf(fd_o, ":04%.4X00%.2X%.2X%.2X%.2X%.2X\n", i/4, block[3],block[2],block[1],block[0],csum);
+	}
+	
+	fprintf(fd_o, ":00000001FF\n");
+	
+	fclose(fd_o);
+	close(fd_i);
+	
+	return 0;
+}