4.4BSD/usr/src/sys/tahoe/tahoe/Locore.c
/*
* Copyright (c) 1982, 1986, 1988 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*
* @(#)Locore.c 7.4 (Berkeley) 12/16/90
*/
#include "sys/param.h"
#include "sys/systm.h"
#include "sys/user.h"
#include "sys/vm.h"
#include "sys/ioctl.h"
#include "sys/tty.h"
#include "sys/proc.h"
#include "sys/buf.h"
#include "sys/msgbuf.h"
#include "sys/mbuf.h"
#include "sys/protosw.h"
#include "sys/domain.h"
#include "sys/map.h"
#include "../include/cpu.h"
#include "../include/mtpr.h"
#include "../include/trap.h"
#include "../include/psl.h"
#include "../include/pte.h"
#include "scb.h"
#include "cp.h"
#include "mem.h"
#include "../math/fp.h"
/*
* Pseudo file for lint to show what is used/defined in locore.s.
*/
struct scb scb;
struct rpb rpb;
int dumpflag;
int intstack[3*NBPG];
int masterpaddr; /* p_addr of current process on master cpu */
struct user u;
int icode[8];
int szicode = sizeof (icode);
quad catcher[SCB_LASTIV];
/*
* Variables declared for savecore, or
* implicitly, such as by config or the loader.
*/
char version[] = "4.3 BSD UNIX ....";
int etext;
doadump() { dumpsys(); }
lowinit()
{
#if !defined(GPROF)
caddr_t cp;
#endif
extern int dumpmag;
extern int rthashsize;
extern int arptab_size;
extern int dk_ndrive;
extern struct domain unixdomain;
#ifdef INET
extern struct domain inetdomain;
#endif
#include "imp.h"
#if NIMP > 0
extern struct domain impdomain;
#endif
#ifdef NS
extern struct domain nsdomain;
#endif
/* cpp messes these up for lint so put them here */
unixdomain.dom_next = domains;
domains = &unixdomain;
#ifdef INET
inetdomain.dom_next = domains;
domains = &inetdomain;
#endif
#if NIMP > 0
impdomain.dom_next = domains;
domains = &impdomain;
#endif
#ifdef NS
nsdomain.dom_next = domains;
domains = &nsdomain;
#endif
dumpmag = 0; /* used only by savecore */
rthashsize = rthashsize; /* used by netstat, etc. */
arptab_size = arptab_size; /* used by arp command */
dk_ndrive = dk_ndrive; /* used by vmstat, iostat, etc. */
/*
* Pseudo-uses of globals.
*/
lowinit();
intstack[0] = intstack[1];
rpb = rpb;
scb = scb;
maxmem = physmem = freemem = 0;
u = u;
fixctlrmask();
main(0);
/*
* Routines called from interrupt vectors.
*/
buserror((caddr_t)0);
panic("Machine check");
printf("Write timeout");
rawintr();
#ifdef INET
ipintr();
#endif
#ifdef NS
nsintr();
#endif
cnrint(0);
cnxint(0);
hardclock((caddr_t)0, 0);
softclock((caddr_t)0, 0);
fpemulate(0, 0, 0, 0, 0, 0, 0, 0, 0);
trap(0, 0, 0, 0, 0, 0, (unsigned)0, 0, 0);
syscall(0, 0, 0, 0, 0, 0, (unsigned)0, 0, 0);
if (vmemall((struct pte *)0, 0, (struct proc *)0, 0))
return; /* use value */
boothowto = 0;
if (rmget((struct map *)0, 0, 0) == 0)
return;
dumpflag = 0; dumpflag = dumpflag;
#ifdef KADB
bootesym = 0; bootesym = bootesym;
#endif
#if !defined(GPROF)
cp = (caddr_t)&etext;
cp = cp;
#endif
}
struct pte Sysmap[6*NPTEPG];
caddr_t Sysbase;
struct pte VMEMmap[1];
caddr_t vmem, vmembeg, vmemend;
struct pte VMEMmap1[1];
caddr_t vmem1;
struct pte VBmap[1];
caddr_t vbbase, vbend;
struct pte Usrptmap[USRPTSIZE];
struct pte usrpt[USRPTSIZE*NPTEPG];
struct pte Forkmap[UPAGES];
struct user forkutl;
struct pte Xswapmap[UPAGES];
struct user xswaputl;
struct pte Xswap2map[UPAGES];
struct user xswap2utl;
struct pte Swapmap[UPAGES];
struct user swaputl;
struct pte Pushmap[UPAGES];
struct user pushutl;
struct pte Vfmap[UPAGES];
struct user vfutl;
struct pte CMAP1[1], CMAP2[1];
caddr_t CADDR1, CADDR2;
struct pte mmap[1];
char vmmap[1];
struct pte msgbufmap[3*NBPG];
struct msgbuf msgbuf;
struct pte kmempt[100], ekmempt[1];
char kmembase[100*NBPG];
struct pte Mbmap[NMBCLUSTERS/CLSIZE];
struct mbuf mbutl[NMBCLUSTERS*CLBYTES/sizeof (struct mbuf)];
#ifdef NFS
struct pte Nfsiomap[MAXPHYS/NBPG+1];
char nfsiobuf[MAXPHYS+NBPG];
#endif
/*ARGSUSED*/
badaddr(addr, len) caddr_t addr; int len; { return (0); }
/*ARGSUSED*/
ovbcopy(from, to, len) caddr_t from, to; unsigned len; { }
copyinstr(udaddr, kaddr, maxlength, lencopied)
caddr_t udaddr, kaddr; u_int maxlength, *lencopied;
{ *kaddr = *udaddr; *lencopied = maxlength; return (0); }
copyoutstr(kaddr, udaddr, maxlength, lencopied)
caddr_t kaddr, udaddr; u_int maxlength, *lencopied;
{ *kaddr = *udaddr; *lencopied = maxlength; return (0); }
copystr(kfaddr, kdaddr, maxlength, lencopied)
caddr_t kfaddr, kdaddr; u_int maxlength, *lencopied;
{ *kdaddr = *kfaddr; *lencopied = maxlength; return (0); }
/*ARGSUSED*/
copyin(udaddr, kaddr, n) caddr_t udaddr, kaddr; u_int n; { return (0); }
/*ARGSUSED*/
copyout(kaddr, udaddr, n) caddr_t kaddr, udaddr; u_int n; { return (0); }
/*ARGSUSED*/
longjmp(lp) label_t *lp; { /*NOTREACHED*/ }
/*ARGSUSED*/
savectx(lp) label_t *lp; { return (0); }
/*ARGSUSED*/
setrq(p) struct proc *p; { }
/*ARGSUSED*/
remrq(p) struct proc *p; { }
swtch() { if (whichqs) whichqs = 0; if (masterpaddr) masterpaddr = 0; }
/*ARGSUSED*/
resume(pcbpf) unsigned pcbpf; { }
/*ARGSUSED*/
fubyte(base) caddr_t base; { return (0); }
/*ARGSUSED*/
subyte(base, i) caddr_t base; { return (0); }
/*ARGSUSED*/
fuword(base) caddr_t base; { return (0); }
/*ARGSUSED*/
suword(base, i) caddr_t base; { return (0); }
/*ARGSUSED*/
copyseg(udaddr, pf)
caddr_t udaddr; unsigned pf;
{ CMAP1[0] = CMAP1[0]; CADDR1[0] = CADDR1[0]; }
/*ARGSUSED*/
clearseg(pf) unsigned pf; { CMAP2[0] = CMAP2[0]; CADDR2[0] = CADDR2[0]; }
/*ARGSUSED*/
useracc(udaddr, bcnt, rw) caddr_t udaddr; unsigned bcnt; { return (0); }
/*ARGSUSED*/
kernacc(addr, bcnt, rw) caddr_t addr; unsigned bcnt; { return (0); }
/*ARGSUSED*/
addupc(pc, prof, counts) int pc; struct uprof *prof; int counts; { }
/*ARGSUSED*/
scanc(size, cp, table, mask)
unsigned size; u_char *cp, table[]; u_char mask;
{ return (0); }
/*ARGSUSED*/
skpc(mask, size, cp) int mask; int size; char *cp; { return (0); }
#ifdef notdef
/*ARGSUSED*/
locc(mask, size, cp) int mask; int size; char *cp; { return (0); }
#endif
/*
* Routines expanded by inline.
*/
#ifdef notdef
fuibyte(base) caddr_t base; { return (fubyte(base)); }
#endif
fuiword(base) caddr_t base; { return (fuword(base)); }
suibyte(base, i) caddr_t base; { return (subyte(base, i)); }
suiword(base, i) caddr_t base; { return (suword(base, i)); }
/*ARGSUSED*/
setjmp(lp) label_t *lp; { return (0); }
/*ARGSUSED*/
_insque(p, q) caddr_t p, q; { }
/*ARGSUSED*/
_remque(p) caddr_t p; { }
/*ARGSUSED*/
bcopy(from, to, len) caddr_t from, to; unsigned len; { }
/*ARGSUSED*/
bzero(base, count) caddr_t base; unsigned count; { }
/*ARGSUSED*/
blkclr(base, count) caddr_t base; unsigned count; { }
/*ARGSUSED*/
/*VARARGS1*/
mtpr(reg, v) int reg; { }
/*ARGSUSED*/
mfpr(reg) int reg; { return (0); }
/*ARGSUSED*/
_movow(dst, v) u_short *dst, v; { }
/*ARGSUSED*/
_movob(dst, v) u_char *dst, v; { }
/*ARGSUSED*/
ffs(v) long v; { return (0); }
imin(a, b) int a, b; { return (a < b ? a : b); }
imax(a, b) int a, b; { return (a > b ? a : b); }
#ifdef notdef
unsigned min(a, b) u_int a, b; { return (a < b ? a : b); }
unsigned max(a, b) u_int a, b; { return (a > b ? a : b); }
#endif