view lldbg/cmd_r8.c @ 44:70c9bb37bd74

configs/fcdev3b-std: DISABLE_SLEEP=1 for the current state of the hw
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 09 Sep 2017 16:23:19 +0000
parents 75a11d740a02
children
line wrap: on
line source

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

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

void
lldbg_cmd_r8(argbulk)
	char *argbulk;
{
	char *argv[2];
	u_long addr;

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