view target-utils/libcommon/cmd_r32.c @ 11:21eec7569eb8

loadtools support for C139/140 target: -c 1004 compalstage variant supercedes the previous -c 1003 version and supports the new C139 boot code version found in the wild that expects "1004" or greater in the signature bytes
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 25 Jul 2016 21:09:33 +0000
parents e7502631a0f9
children
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/*
 * r32 hexaddr -- read a 32-bit register or memory location
 */

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

void
cmd_r32(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;
	}
	if (addr & 3) {
		printf("ERROR: unaligned address\n");
		return;
	}
	printf("%08X\n", *(volatile u32 *)addr);
}