#include <u.h>#include <libc.h>#include <bio.h>#include <mach.h>#define Extern extern#include "3210.h" voidfatal(char *fmt, ...){	char buf[ERRLEN]; 	doprint(buf, buf+sizeof(buf), fmt, (&fmt+1));	fprint(2, "%s: %s\n", argv0, buf);	exits(buf);} voiderror(char *fmt, ...){	char buf[8192]; 	doprint(buf, buf + sizeof(buf) / sizeof(*buf), fmt, &fmt + 1);	Bprint(bioout, "%s\n", buf);	longjmp(errjmp, 0);} char *memio(char *mb, ulong mem, int size, int dir){	int i;	char *buf, c; 	if(!mb)		mb = malloc(size);	if(!mb)		error("memio: user/kernel copy of %d bytes too long for %s: %d", size, argv0); 	buf = mb;	switch(dir){	default:		fatal("memio");	case MemRead:		while(size--)			*mb++ = getmem_1(mem++);		break;	case MemReadstring:		for(;;) {			if(size-- == 0)				error("memio: user/kernel copy too long for %s", argv0);			c = getmem_1(mem++);			*mb++ = c;			if(c == '\0')				break;		}		break;	case MemWrite:		for(i = 0; i < size; i++)			putmem_1(mem++, *mb++);		break;	}	return buf;} void *emalloc(ulong size){	void *a; 	a = malloc(size);	if(a == 0)		fatal("out of memory"); 	memset(a, 0, size);	return a;} void *erealloc(void *a, ulong size){	a = realloc(a, size);	if(a == 0)		fatal("out of memory");	return a;} /* * replacements for standard db access routines * these should probably look at the map to pick up registers */intget4(Map *map, ulong addr, long *x){	USED(map); 	*x = getmem_4(addr);	return 1;} intget2(Map *map, ulong addr, ushort *x){	USED(map); 	*x = getmem_2(addr);	return 1;} intget1(Map *map, ulong addr, uchar *x, int size){	USED(map); 	while(size-- > 0)		*x++ = getmem_1(addr++);	return 1;} intput4(Map *map, ulong addr, long v){	USED(map); 	putmem_4(addr, v);	return 1;} intput2(Map *map, ulong addr, ushort v){	USED(map); 	putmem_2(addr, v);	return 1;} intput1(Map *map, ulong addr, uchar *v, int size){	USED(map); 	while(size-- > 0)		putmem_1(addr++, *v++);	return 1;}