view rvinterf/etmsync/memcmd.c @ 911:42719fa3e6af

etmsync: memory read implemented
author Space Falcon <falcon@ivan.Harhan.ORG>
date Tue, 08 Sep 2015 07:52:29 +0000
parents
children f50c71442d50
line wrap: on
line source

/*
 * User commands for reading memory regions and Calypso die ID via ETM
 */

#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include "etm.h"
#include "limits.h"
#include "localtypes.h"
#include "exitcodes.h"

void
memdump_line(addr, buf, len)
	u32 addr;
	u_char *buf;
{
	int i, c;

	printf("%08X:  ", addr);
	for (i = 0; i < 16; i++) {
		if (i < len)
			printf("%02X ", buf[i]);
		else
			fputs("   ", stdout);
		if (i == 7 || i == 15)
			putchar(' ');
	}
	for (i = 0; i < len; i++) {
		c = buf[i];
		if (c < ' ' || c > '~')
			c = '.';
		putchar(c);
	}
	putchar('\n');
}

cmd_memdump(argc, argv)
	char **argv;
{
	u_char databuf[MAX_MEMREAD_BYTES];
	u32 memaddr;
	int rc, sz, off, l;

	memaddr = strtoul(argv[1], 0, 16);
	sz = strtoul(argv[2], 0, 16);
	rc = do_memory_read(memaddr, databuf, sz);
	if (rc)
		return(rc);
	for (off = 0; off < sz; off += 16) {
		l = sz - off;
		if (l > 16)
			l = 16;
		memdump_line(memaddr + off, databuf + off, l);
	}
	return(0);
}