Relocation code is arch-specific.

src/include/etherboot.h

 extern void forget_runtime_base_memory ( uint32_t old_addr );
 
 extern unsigned long get_boot_order(unsigned long order, unsigned *index);
-#ifndef NORELOCATE
-extern void relocate(void);
-extern void relocate_to(unsigned long phys_dest);
-#else
-#define relocate() do {} while(0)
-#endif
 extern void disk_init P((void));
 extern unsigned int pcbios_disk_read P((int drv,int c,int h,int s,char *buf));