#define KERN_LOADADDR 0x4000
void ICIA(void);
void ** getvbr(void);
extern int _is3x;
extern int _is2;
void _start(void);
void breakpoint(void);
void chain_to(void *);
int main(void);
void exit(int);
extern int hz;
long getticks(void);
int exec_sun(char *, char *);
int load_sun(int, char *, char **);
extern int debug;
extern char prom_bootdev[];
extern char *prom_bootfile;
extern int prom_boothow;
void prom_get_boot_info(void);
int peekchar(void);
void putstr(const char *);
void sun2_getidprom(u_char *);
u_long sun2_map_mem_load(void);
void *sun2_map_mem_run(void *);
void sun3_getidprom(u_char *);
extern const char bootprog_rev[];
extern const char bootprog_name[];
void xxboot_main(const char *);