#include "u.h" #include "lib.h" #include "mem.h" #include "dat.h" #include "fns.h" #include "ureg.h" #include "io.h" void fault386(Ureg *ur) { ulong addr; int read; int user; print("fault386\n"); dumpregs(ur); for(;;); addr = getcr2(); read = !(ur->ecode & 2); user = (ur->ecode & 4); if(fault(addr, read) < 0){ if(user){ pprint("user %s error addr=0x%lux\n", read? "read" : "write", addr); pprint("status=0x%lux pc=0x%lux sp=0x%lux\n", ur->flags, ur->pc, ur->usp); pexit("Suicide", 0); } u->p->state = MMUing; dumpregs(ur); panic("fault: 0x%lux", addr); } } void faultinit(void) { setvec(Faultvec, fault386); }