view target-utils/libcommon/cmd_r8.c @ 501:da8248e23aca

osx.c: int_osx_free_mem() done
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Tue, 01 Jul 2014 18:32:41 +0000
parents f4fc449a64ea
children
line wrap: on
line source

/*
 * r8 hexaddr -- read an 8-bit register or memory location
 */

#include <sys/types.h>
#include "types.h"

void
cmd_r8(argbulk)
	char *argbulk;
{
	char *argv[2];
	u_long addr;

	if (parse_args(argbulk, 1, 1, argv, 0) < 0)
		return;
	if (parse_hexarg(argv[0], 8, &addr) < 0) {
		printf("ERROR: argument must be a valid 32-bit hex address\n");
		return;
	}
	printf("%02X\n", *(volatile u8 *)addr);
}