plan 9 kernel history: overview | file list | diff list

1991/1108/power/faultmips.c (diff list | history)

1990/1212/sys/src/9/power/faultmips.c:17,22 – 1991/0425/sys/src/9/power/faultmips.c:17,23 (short | long)
1990/1212    
	extern char *excname[]; 
	int read;
1991/0425    
	m->pfault++;
1990/1212    
	addr = ur->badvaddr; 
	addr &= ~(BY2PG-1); 
	read = !(code==CTLBM || code==CTLBS);
1991/0425/sys/src/9/power/faultmips.c:17,23 – 1991/0427/sys/src/9/power/faultmips.c:17,22 (short | long)
1990/1212    
	extern char *excname[]; 
	int read;
1991/0425    
	m->pfault++;
1990/1212    
	addr = ur->badvaddr; 
	addr &= ~(BY2PG-1); 
	read = !(code==CTLBM || code==CTLBS);
1991/0427/sys/src/9/power/faultmips.c:15,20 – 1991/0705/sys/src/9/power/faultmips.c:15,21 (short | long)
1990/1212    
{ 
	ulong addr; 
	extern char *excname[];
1991/0705    
	char buf[ERRLEN];
1990/1212    
	int read; 
 
	addr = ur->badvaddr;
1991/0427/sys/src/9/power/faultmips.c:22,30 – 1991/0705/sys/src/9/power/faultmips.c:23,33
1990/1212    
	read = !(code==CTLBM || code==CTLBS); 
	if(fault(addr, read) < 0){ 
		if(user){ 
			pprint("user %s badvaddr=0x%lux\n", excname[code], ur->badvaddr); 
			pprint("status=0x%lux pc=0x%lux sp=0x%lux\n", ur->status, ur->pc, ur->sp); 
			pexit("Suicide", 0);
1991/0705    
			sprint(buf, "sys: fault %s pc=0x%lux addr=0x%lux", 
				read? "read" : "write", ur->pc, ur->badvaddr); 
			postnote(u->p, 1, buf, NDebug); 
			notify(ur); 
			return;
1990/1212    
		} 
		print("kernel %s badvaddr=0x%lux\n", excname[code], ur->badvaddr); 
		print("status=0x%lux pc=0x%lux sp=0x%lux\n", ur->status, ur->pc, ur->sp);
1991/0705/sys/src/9/power/faultmips.c:21,26 – 1991/0926/sys/src/9/power/faultmips.c:21,27 (short | long)
1990/1212    
	addr = ur->badvaddr; 
	addr &= ~(BY2PG-1); 
	read = !(code==CTLBM || code==CTLBS);
1991/0926    
1990/1212    
	if(fault(addr, read) < 0){ 
		if(user){
1991/0705    
			sprint(buf, "sys: fault %s pc=0x%lux addr=0x%lux",
1991/0705/sys/src/9/power/faultmips.c:31,37 – 1991/0926/sys/src/9/power/faultmips.c:32,37
1990/1212    
		} 
		print("kernel %s badvaddr=0x%lux\n", excname[code], ur->badvaddr); 
		print("status=0x%lux pc=0x%lux sp=0x%lux\n", ur->status, ur->pc, ur->sp); 
		u->p->state = MMUing; 
		dumpregs(ur); 
		panic("fault"); 
	}
1991/0926/sys/src/9/power/faultmips.c:27,33 – 1991/1108/sys/src/9/power/faultmips.c:27,32 (short | long)
1991/0705    
			sprint(buf, "sys: fault %s pc=0x%lux addr=0x%lux", 
				read? "read" : "write", ur->pc, ur->badvaddr); 
			postnote(u->p, 1, buf, NDebug); 
			notify(ur); 
			return;
1990/1212    
		} 
		print("kernel %s badvaddr=0x%lux\n", excname[code], ur->badvaddr);
1991/1108/sys/src/9/power/faultmips.c:24,31 – 1991/1218/sys/src/9/power/faultmips.c:24,31 (short | long)
1991/0926    
1990/1212    
	if(fault(addr, read) < 0){ 
		if(user){
1991/0705    
			sprint(buf, "sys: fault %s pc=0x%lux addr=0x%lux", 
				read? "read" : "write", ur->pc, ur->badvaddr);
1991/1218    
			sprint(buf, "sys: trap: fault %s addr=0x%lux", 
				read? "read" : "write", ur->badvaddr);
1991/0705    
			postnote(u->p, 1, buf, NDebug); 
			return;
1990/1212    
		}
1991/1218/sys/src/9/power/faultmips.c:4,10 – 1992/0111/sys/src/9/power/faultmips.c:4,10 (short | long)
1990/1212    
#include	"dat.h" 
#include	"fns.h" 
#include	"ureg.h" 
#include	"errno.h"
1992/0111    
#include	"../port/error.h"
1990/1212    
 
/* 
 *  find out fault address and type of access.
1992/0111/sys/src/9/power/faultmips.c:1,5 – 1992/0321/sys/src/9/power/faultmips.c:1,5 (short | long)
1990/1212    
#include	"u.h" 
#include	"lib.h"
1992/0321    
#include	"../port/lib.h"
1990/1212    
#include	"mem.h" 
#include	"dat.h" 
#include	"fns.h"
1992/0321/sys/src/9/power/faultmips.c:5,10 – 1992/0508/sys/src/9/power/faultmips.c:5,11 (short | long)
1990/1212    
#include	"fns.h" 
#include	"ureg.h"
1992/0111    
#include	"../port/error.h"
1992/0508    
#include	"io.h"
1990/1212    
 
/* 
 *  find out fault address and type of access.
1992/0321/sys/src/9/power/faultmips.c:18,23 – 1992/0508/sys/src/9/power/faultmips.c:19,25
1991/0705    
	char buf[ERRLEN];
1990/1212    
	int read;
1992/0508    
	LEDON(LEDfault);
1990/1212    
	addr = ur->badvaddr; 
	addr &= ~(BY2PG-1); 
	read = !(code==CTLBM || code==CTLBS);
1992/0321/sys/src/9/power/faultmips.c:27,32 – 1992/0508/sys/src/9/power/faultmips.c:29,35
1991/1218    
			sprint(buf, "sys: trap: fault %s addr=0x%lux", 
				read? "read" : "write", ur->badvaddr);
1991/0705    
			postnote(u->p, 1, buf, NDebug);
1992/0508    
			LEDOFF(LEDfault);
1991/0705    
			return;
1990/1212    
		} 
		print("kernel %s badvaddr=0x%lux\n", excname[code], ur->badvaddr);
1992/0321/sys/src/9/power/faultmips.c:34,39 – 1992/0508/sys/src/9/power/faultmips.c:37,43
1990/1212    
		dumpregs(ur); 
		panic("fault"); 
	}
1992/0508    
	LEDOFF(LEDfault);
1990/1212    
} 
 
/*
1992/0508/sys/src/9/power/faultmips.c:21,26 – 1992/0609/sys/src/9/power/faultmips.c:21,28 (short | long)
1990/1212    
1992/0508    
	LEDON(LEDfault);
1990/1212    
	addr = ur->badvaddr;
1992/0609    
	if(addr & KZERO) 
		LEDON(LEDkfault);
1990/1212    
	addr &= ~(BY2PG-1); 
	read = !(code==CTLBM || code==CTLBS);
1991/0926    
1992/0609/sys/src/9/power/faultmips.c:34,41 – 1992/1105/sys/src/9/power/faultmips.c:34,41 (short | long)
1992/0508    
			LEDOFF(LEDfault);
1991/0705    
			return;
1990/1212    
		} 
		print("kernel %s badvaddr=0x%lux\n", excname[code], ur->badvaddr); 
		print("status=0x%lux pc=0x%lux sp=0x%lux\n", ur->status, ur->pc, ur->sp);
1992/1105    
		iprint("kernel %s badvaddr=0x%lux\n", excname[code], ur->badvaddr); 
		iprint("status=0x%lux pc=0x%lux sp=0x%lux\n", ur->status, ur->pc, ur->sp);
1990/1212    
		dumpregs(ur); 
		panic("fault"); 
	}
1992/1105/sys/src/9/power/faultmips.c:21,28 – 1992/1124/sys/src/9/power/faultmips.c:21,32 (short | long)
1990/1212    
1992/0508    
	LEDON(LEDfault);
1990/1212    
	addr = ur->badvaddr;
1992/0609    
	if(addr & KZERO)
1992/1124    
	if(addr & KZERO){
1992/0609    
		LEDON(LEDkfault);
1992/1124    
		print("KZERO %s badvaddr=0x%lux r31=0x%lux\n", excname[code], 
			ur->badvaddr, ur->r31); 
		print("status=0x%lux pc=0x%lux sp=0x%lux\n", ur->status, ur->pc, ur->sp); 
	}
1990/1212    
	addr &= ~(BY2PG-1); 
	read = !(code==CTLBM || code==CTLBS);
1991/0926    
1992/1105/sys/src/9/power/faultmips.c:34,41 – 1992/1124/sys/src/9/power/faultmips.c:38,45
1992/0508    
			LEDOFF(LEDfault);
1991/0705    
			return;
1990/1212    
		}
1992/1105    
		iprint("kernel %s badvaddr=0x%lux\n", excname[code], ur->badvaddr); 
		iprint("status=0x%lux pc=0x%lux sp=0x%lux\n", ur->status, ur->pc, ur->sp);
1992/1124    
		print("kernel %s badvaddr=0x%lux\n", excname[code], ur->badvaddr); 
		print("status=0x%lux pc=0x%lux sp=0x%lux\n", ur->status, ur->pc, ur->sp);
1990/1212    
		dumpregs(ur); 
		panic("fault"); 
	}
1992/1124/sys/src/9/power/faultmips.c:21,32 – 1992/1125/sys/src/9/power/faultmips.c:21,28 (short | long)
1990/1212    
1992/0508    
	LEDON(LEDfault);
1990/1212    
	addr = ur->badvaddr;
1992/1124    
	if(addr & KZERO){
1992/1125    
	if(addr & KZERO)
1992/0609    
		LEDON(LEDkfault);
1992/1124    
		print("KZERO %s badvaddr=0x%lux r31=0x%lux\n", excname[code], 
			ur->badvaddr, ur->r31); 
		print("status=0x%lux pc=0x%lux sp=0x%lux\n", ur->status, ur->pc, ur->sp); 
	}
1990/1212    
	addr &= ~(BY2PG-1); 
	read = !(code==CTLBM || code==CTLBS);
1991/0926    
1992/1125/sys/src/9/power/faultmips.c:21,27 – 1992/1126/sys/src/9/power/faultmips.c:21,27 (short | long)
1990/1212    
1992/0508    
	LEDON(LEDfault);
1990/1212    
	addr = ur->badvaddr;
1992/1125    
	if(addr & KZERO)
1992/1126    
	if((addr & KZERO) && (0xffff0000 & addr) != USERADDR)
1992/0609    
		LEDON(LEDkfault);
1990/1212    
	addr &= ~(BY2PG-1); 
	read = !(code==CTLBM || code==CTLBS);
1992/1125/sys/src/9/power/faultmips.c:39,45 – 1992/1126/sys/src/9/power/faultmips.c:39,45
1990/1212    
		dumpregs(ur); 
		panic("fault"); 
	}
1992/0508    
	LEDOFF(LEDfault);
1992/1126    
	LEDOFF(LEDfault|LEDkfault);
1990/1212    
} 
 
/*
1992/1126/sys/src/9/power/faultmips.c:14,45 – 1993/0501/sys/src/9/power/faultmips.c:14,43 (short | long)
1990/1212    
void 
faultmips(Ureg *ur, int user, int code) 
{
1993/0501    
	int read;
1990/1212    
	ulong addr; 
	extern char *excname[];
1991/0705    
	char buf[ERRLEN];
1990/1212    
	int read;
1993/0501    
	char *p, buf[ERRLEN];
1990/1212    
1992/0508    
	LEDON(LEDfault);
1990/1212    
	addr = ur->badvaddr;
1992/1126    
	if((addr & KZERO) && (0xffff0000 & addr) != USERADDR)
1992/0609    
		LEDON(LEDkfault);
1990/1212    
	addr &= ~(BY2PG-1); 
	read = !(code==CTLBM || code==CTLBS);
1991/0926    
1990/1212    
	if(fault(addr, read) < 0){ 
		if(user){
1991/1218    
			sprint(buf, "sys: trap: fault %s addr=0x%lux", 
				read? "read" : "write", ur->badvaddr);
1991/0705    
			postnote(u->p, 1, buf, NDebug);
1992/0508    
			LEDOFF(LEDfault);
1991/0705    
			return;
1990/1212    
		}
1992/1124    
		print("kernel %s badvaddr=0x%lux\n", excname[code], ur->badvaddr); 
		print("status=0x%lux pc=0x%lux sp=0x%lux\n", ur->status, ur->pc, ur->sp);
1990/1212    
		dumpregs(ur); 
		panic("fault");
1993/0501    
	if(fault(addr, read) == 0) 
		return; 
 
	if(user) { 
		p = "store"; 
		if(read) 
			p = "load"; 
		sprint(buf, "sys: trap: fault %s addr=0x%lux", p, ur->badvaddr); 
		postnote(up, 1, buf, NDebug); 
		return;
1990/1212    
	}
1992/1126    
	LEDOFF(LEDfault|LEDkfault);
1993/0501    
	print("kernel %s vaddr=0x%lux\n", excname[code], ur->badvaddr); 
	print("status=0x%lux pc=0x%lux sp=0x%lux\n", ur->status, ur->pc, ur->sp); 
	dumpregs(ur); 
	panic("fault");
1990/1212    
} 
 
/*
1992/1126/sys/src/9/power/faultmips.c:49,55 – 1993/0501/sys/src/9/power/faultmips.c:47,53
1990/1212    
evenaddr(ulong addr) 
{ 
	if(addr & 3){ 
		postnote(u->p, 1, "sys: odd address", NDebug);
1993/0501    
		postnote(up, 1, "sys: odd address", NDebug);
1990/1212    
		error(Ebadarg); 
	} 
}
1993/0501/sys/src/9/power/faultmips.c:1,53 – 1997/0327/sys/src/9/power/faultmips.c:0 (short | long)
Deleted.
rsc Mon Mar 7 10:32:54 2005
1990/1212    
#include	"u.h"
1992/0321    
#include	"../port/lib.h"
1990/1212    
#include	"mem.h" 
#include	"dat.h" 
#include	"fns.h" 
#include	"ureg.h"
1992/0111    
#include	"../port/error.h"
1992/0508    
#include	"io.h"
1990/1212    
                 
/* 
 *  find out fault address and type of access. 
 *  Call common fault handler. 
 */ 
void 
faultmips(Ureg *ur, int user, int code) 
{
1993/0501    
	int read;
1990/1212    
	ulong addr; 
	extern char *excname[];
1993/0501    
	char *p, buf[ERRLEN];
1990/1212    
                 
	addr = ur->badvaddr; 
	addr &= ~(BY2PG-1); 
	read = !(code==CTLBM || code==CTLBS);
1991/0926    
                 
1993/0501    
	if(fault(addr, read) == 0) 
		return; 
                 
	if(user) { 
		p = "store"; 
		if(read) 
			p = "load"; 
		sprint(buf, "sys: trap: fault %s addr=0x%lux", p, ur->badvaddr); 
		postnote(up, 1, buf, NDebug); 
		return;
1990/1212    
	}
1993/0501    
	print("kernel %s vaddr=0x%lux\n", excname[code], ur->badvaddr); 
	print("status=0x%lux pc=0x%lux sp=0x%lux\n", ur->status, ur->pc, ur->sp); 
	dumpregs(ur); 
	panic("fault");
1990/1212    
} 
                 
/* 
 * called in sysfile.c 
 */ 
void 
evenaddr(ulong addr) 
{ 
	if(addr & 3){
1993/0501    
		postnote(up, 1, "sys: odd address", NDebug);
1990/1212    
		error(Ebadarg); 
	} 
}


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comments to russ cox (rsc@swtch.com)