1993/0818/port/devproc.c (diff list | history)

1993/0501/sys/src/9/port/devproc.c:10,26 – 1993/0818/sys/src/9/port/devproc.c:10,28 (short | long | prev | next)
1990/0227
1993/0501		enum {
1990/0227		Qdir, Qctl,
1993/0818		Qdir, Qfpregs, Qkregs,
1990/0227		Qmem, Qnote,
1990/1110		Qnotepg,
1990/0227		Qproc,
1993/0818		Qns, Qregs,
1991/0705		Qsegment,
1990/0227		Qstatus, Qtext,
1993/0309		Qwait,
1993/0501		Qns,
1990/0227		};
1992/0814		#define STATSIZE (2*NAMELEN+12+7*12)
1993/0501/sys/src/9/port/devproc.c:27,41 – 1993/0818/sys/src/9/port/devproc.c:29,45
1992/0824		Dirtab procdir[] = {
1991/1109		"ctl", {Qctl}, 0, 0000,
1993/0818		"fpregs", {Qfpregs}, sizeof(FPsave), 0000, "kregs", {Qkregs}, sizeof(Ureg), 0000,
1991/1109		"mem", {Qmem}, 0, 0000, "note", {Qnote}, 0, 0000,
1991/1112		"notepg", {Qnotepg}, 0, 0000,
1991/1109		"proc", {Qproc}, sizeof(Proc), 0000,
1993/0818		"ns", {Qns}, 0, 0400, "regs", {Qregs}, sizeof(Ureg), 0000,
1991/1112		"segment", {Qsegment}, 0, 0444, "status", {Qstatus}, STATSIZE, 0444,
1991/1109		"text", {Qtext}, 0, 0000,
1993/0309		"wait", {Qwait}, 0, 0400,
1993/0501		"ns", {Qns}, 0, 0400,
1990/0227		};
1991/1109		/* Segment type from portdat.h */
1993/0501/sys/src/9/port/devproc.c:173,188 – 1993/0818/sys/src/9/port/devproc.c:177,200
1990/0227		tc->offset = 0; return tc;
1991/1110
1993/0818		case Qkregs: case Qsegment: if(omode != OREAD) error(Eperm); break;
1990/0227		case Qctl: case Qnote:
1991/1110		case Qmem:
1991/0705		case Qsegment:
1991/1112		case Qproc: case Qstatus:
1993/0309		case Qwait:
1993/0818		case Qregs: case Qfpregs:
1990/0227		break;
1990/1110
1993/0501		case Qns:
1993/0818		if(omode != OREAD) error(Eperm);
1993/0501		c->aux = malloc(sizeof(Mntwalk)); break;
1993/0501/sys/src/9/port/devproc.c:251,259 – 1993/0818/sys/src/9/port/devproc.c:263,273
1990/0227		{
1993/0501		long l;
1990/0227		Proc *p;
1991/0705		int i, j;
1993/0309		Waitq *wq;
1993/0818		Ureg kur; uchar *rptr;
1993/0501		Mntwalk *mw;
1993/0818		int i, j, rsize;
1993/0501		Segment *sg, *s; char *a = va, *sps; char statbuf[NSEG*32];
1993/0501/sys/src/9/port/devproc.c:267,300 – 1993/0818/sys/src/9/port/devproc.c:281,314
1990/0227		switch(QID(c->qid)){ case Qmem:
1991/1110		if(offset >= KZERO) {
1992/0824		/* Protect crypt key memory */
1993/0501		if(offset >= palloc.cmembase&&offset < palloc.cmemtop)
1992/0824		error(Eperm);
1993/0818		if(offset < KZERO) return procctlmemio(p, offset, n, va, 1);
1992/0824
1992/0128		/* validate physical kernel addresses */
1992/0628		if(offset < (ulong)end) { if(offset+n > (ulong)end) n = (ulong)end - offset;
1991/1110		memmove(a, (char*)offset, n); return n; }
1992/0628		if(offset >= conf.base0 && offset < conf.npage0){ if(offset+n > conf.npage0) n = conf.npage0 - offset; memmove(a, (char*)offset, n); return n; } if(offset >= conf.base1 && offset < conf.npage1){ if(offset+n > conf.npage1) n = conf.npage1 - offset;
1991/1110		memmove(a, (char*)offset, n); return n; }
1993/0818		/* Protect crypt key memory */ if(offset >= palloc.cmembase&&offset < palloc.cmemtop) error(Eperm); /* validate physical kernel addresses */ if(offset < (ulong)end) { if(offset+n > (ulong)end) n = (ulong)end - offset; memmove(a, (char*)offset, n); break;
1990/0227		}
1993/0818		if(offset >= conf.base0 && offset < conf.npage0){ if(offset+n > conf.npage0) n = conf.npage0 - offset; memmove(a, (char*)offset, n); break; } if(offset >= conf.base1 && offset < conf.npage1){ if(offset+n > conf.npage1) n = conf.npage1 - offset; memmove(a, (char*)offset, n); break; } error(Ebadarg);
1991/1109		return procctlmemio(p, offset, n, va, 1);
1990/0227		case Qnote:
1991/1216		qlock(&p->debug);
1990/0227		if(waserror()){
1993/0501/sys/src/9/port/devproc.c:319,330 – 1993/0818/sys/src/9/port/devproc.c:333,360
1991/1216		qunlock(&p->debug);
1990/0227		return n; case Qproc:
1991/0411		if(offset >= sizeof(Proc))
1993/0818		case Qregs: rptr = (uchar*)p->dbgreg; rsize = sizeof(Ureg); goto regread; case Qkregs: memset(&kur, 0, sizeof(Ureg)); kur.pc = p->sched.pc; kur.sp = p->sched.sp; rptr = (uchar*)&kur; rsize = sizeof(Ureg); goto regread; case Qfpregs: rptr = (uchar*)&p->fpsave; rsize = sizeof(FPsave); regread: if(offset >= rsize)
1990/0227		return 0;
1991/0411		if(offset+n > sizeof(Proc)) n = sizeof(Proc) - offset; memmove(a, ((char*)p)+offset, n);
1993/0818		if(offset+n > rsize) n = rsize - offset; memmove(a, rptr+offset, n);
1990/0227		return n; case Qstatus:
1993/0501/sys/src/9/port/devproc.c:362,372 – 1993/0818/sys/src/9/port/devproc.c:392,406
1991/1110
1991/0705		case Qsegment: j = 0; for(i = 0; i < NSEG; i++) if(sg = p->seg[i]) j += sprint(&statbuf[j], "%-6s %c %.8lux %.8lux %4d\n", sname[sg->type&SG_TYPE], sg->type&SG_RONLY ? 'R' : ' ',
1993/0818		for(i = 0; i < NSEG; i++) { sg = p->seg[i]; if(sg == 0) continue; j += sprint(&statbuf[j], "%-6s %c %.8lux %.8lux %4d\n", sname[sg->type&SG_TYPE], sg->type&SG_RONLY ? 'R' : ' ',
1991/0705		sg->base, sg->top, sg->ref);
1993/0818		}
1991/0705		if(offset >= j) return 0; if(offset+n > j)
1993/0501/sys/src/9/port/devproc.c:504,509 – 1993/0818/sys/src/9/port/devproc.c:538,559
1992/0114		error(Ebadctl);
1991/1110
1993/0501		n = procctlmemio(p, offset, n, va, 0);
1993/0818		break; case Qregs: if(offset >= sizeof(Ureg)) return 0; if(offset+n > sizeof(Ureg)) n = sizeof(Ureg) - offset; setregisters(p->dbgreg, (char*)(p->dbgreg)+offset, va, n); break; case Qfpregs: if(offset >= sizeof(FPsave)) return 0; if(offset+n > sizeof(FPsave)) n = sizeof(FPsave) - offset; memmove((uchar*)&p->fpsave+offset, va, n);
1991/1110		break;
1990/0227		case Qctl: