/************************************************************* * File: mon/copy.c * Purpose: Part of core Monitor * Author: Phil Bunce (pjb@carmel.com) * Revision History: *	970304	Start of revision history *	980406	Added blksz. */#include <mon.h>Optdesc copy_opts[] = {	{"[-f] from to siz","copy memory"},	{"from","source of copy"},	{"to","destination of copy"},	{"cnt","copy cnt bytes"},	{"-f","write to flash"},	{0}};/**************************************************************  copy(ac,av)*	the 'copy' command */copy(ac,av)int ac;char *av[];{Ulong from, to, n;int i,fflag,blksz;char buf[100];if (!regChain) {	printf("Target Description Driver not loaded\n");	return(1);	}fflag = 0;for (i=1;i<ac;i++) {	if (av[i][0] == '-') {		if (strequ(av[i],"-f")) fflag++;		else {			printf("%s: bad option\n",av[i]);			return(1);			}		}	else break;	}if (ac-i != 3) {	printf("bad argument count\n");	return(1);	}if(!get_rsa(&from,av[i]) || !get_rsa(&to,av[i+1]) || !get_rsa(&n,av[i+2]))	return(1);if (fflag) {#ifdef NVRAM	if (fflag < 2) {	   /* use 2 -f flags to skip this warning */	   printf("Are you sure that you want to write to the flashes (y/n)?");		gets(buf);		if (!strequ(buf,"y")) return;		}	blksz = nvInfo.width*nvInfo.type->se; /* 980406 */	if (to&(blksz-1)) {		printf("error: flash write must start on a %dKB boundary.\n",								blksz/1024);		return(1);		}	while(n-- > 0) writeFlash(to++, read_target(XT_MEM,from++,1));	return(0);#else	printf("write to NVRAM not supported with this configuration.\n");	return(1);#endif	}if (to < from)	while(n-- > 0) write_target(XT_MEM,to++, read_target(XT_MEM,from++,1),1);else	for (from += n,to += n;n-- > 0;) 		write_target(XT_MEM,--to, read_target(XT_MEM,--from,1),1);return(0);}