1991/0111/port/devroot.c (diff list | history)

1991/0111/sys/src/9/port/devroot.c:10,20 – 1991/0214/sys/src/9/port/devroot.c:10,25 (short | long | prev | next)
1990/0227		Qdir, Qbin, Qboot,
1991/0214		Qcfs,
1990/0227		Qdev, Qenv, Qproc, };
1991/0214		extern long cfslen; extern ulong *cfscode;
1990/0227		Dirtab rootdir[]={
1990/11211		"bin", {Qbin|CHDIR}, 0, 0700, "boot", {Qboot}, 0, 0700,
1991/0111/sys/src/9/port/devroot.c:21,33 – 1991/0214/sys/src/9/port/devroot.c:26,41
1990/11211		"dev", {Qdev|CHDIR}, 0, 0700, "env", {Qenv|CHDIR}, 0, 0700, "proc", {Qproc|CHDIR}, 0, 0700,
1991/0214		"cfs", {Qcfs}, 0, 0700,
1990/0227		}; #define NROOT (sizeof rootdir/sizeof(Dirtab))
1991/0214		int nroot;
1990/0227		void rootreset(void) {
1991/0214		nroot = (cfslen > 0) ? NROOT : NROOT-1;
1990/0227		} void
1991/0111/sys/src/9/port/devroot.c:50,68 – 1991/0214/sys/src/9/port/devroot.c:58,76
1990/0227		int rootwalk(Chan *c, char *name) { return devwalk(c, name, rootdir, NROOT, devgen);
1991/0214		return devwalk(c, name, rootdir, nroot, devgen);
1990/0227		} void rootstat(Chan *c, char *dp) { devstat(c, dp, rootdir, NROOT, devgen);
1991/0214		devstat(c, dp, rootdir, nroot, devgen);
1990/0227		} Chan* rootopen(Chan *c, int omode) { return devopen(c, omode, rootdir, NROOT, devgen);
1991/0214		return devopen(c, omode, rootdir, nroot, devgen);
1990/0227		} void
1991/0111/sys/src/9/port/devroot.c:87,93 – 1991/0214/sys/src/9/port/devroot.c:95,101
1990/0227
1990/11211		switch(c->qid.path & ~CHDIR){
1990/0227		case Qdir: return devdirread(c, buf, n, rootdir, NROOT, devgen);
1991/0214		return devdirread(c, buf, n, rootdir, nroot, devgen);
1990/0227		case Qboot: /* boot */ if(c->offset >= sizeof bootcode)
1991/0111/sys/src/9/port/devroot.c:95,100 – 1991/0214/sys/src/9/port/devroot.c:103,116
1990/0227		if(c->offset+n > sizeof bootcode) n = sizeof bootcode - c->offset; memcpy(buf, ((char*)bootcode)+c->offset, n);
1991/0214		return n; case Qcfs: /* boot */ if(c->offset >= cfslen) return 0; if(c->offset+n > cfslen) n = cfslen - c->offset; memcpy(buf, ((char*)cfscode)+c->offset, n);
1990/0227		return n; case Qdev: