+
−/*
+
− * Flash blank check command
+
− */
+
−
+
−#include <sys/types.h>
+
−#include "types.h"
+
−
+
−void
+
−cmd_blankchk(argbulk)
+
−	char *argbulk;
+
−{
+
−	char *argv[3];
+
−	u_long start, length;
+
−	u_long addr;
+
−	int c;
+
−
+
−	if (parse_args(argbulk, 2, 2, argv, 0) < 0)
+
−		return;
+
−	if (parse_hexarg(argv[0], 8, &start) < 0) {
+
−		printf("ERROR: arg1 must be a valid 32-bit hex address\n");
+
−		return;
+
−	}
+
−	if (parse_hexarg(argv[1], 8, &length) < 0) {
+
−	    printf("ERROR: arg2 must be a valid 32-bit hex value (length)\n");
+
−		return;
+
−	}
+
−	for (addr = start; addr < start + length; addr++) {
+
−		c = *(volatile u8 *)addr;
+
−		if (c != 0xFF) {
+
−			printf("Not blank: %02X at %08X\n", c, addr);
+
−			return;
+
−		}
+
−	}
+
−	printf("OK\n");
+
−}