1991/1206/port/devroot.c (diff list | history)

1991/1115/sys/src/9/port/devroot.c:9,20 – 1991/1206/sys/src/9/port/devroot.c:9,21 (short | long | prev | next)
1990/0227		enum{ Qdir, Qbin, Qboot,
1991/0214		Qcfs,
1990/0227		Qdev, Qenv,
1991/0910		Qkfs,
1990/0227		Qproc,
1991/1206		Qboot, Qcfs, Qkfs,
1990/0227		};
1991/0214		extern long cfslen;
1991/1115/sys/src/9/port/devroot.c:21,26 – 1991/1206/sys/src/9/port/devroot.c:22,29
1991/0216		extern ulong cfscode[];
1991/0910		extern long kfslen; extern ulong kfscode[];
1991/1206		extern ulong bootlen; extern ulong bootcode[];
1991/0214
1990/0227		Dirtab rootdir[]={
1991/1112		"bin", {Qbin|CHDIR}, 0, 0777,
1991/1115/sys/src/9/port/devroot.c:83,88 – 1991/1206/sys/src/9/port/devroot.c:86,95
1990/0227		int rootwalk(Chan *c, char *name) {
1991/1206		if(strcmp(name, "..") == 0) { c->qid.path = Qdir|CHDIR; return 1; }
1991/0615		return devwalk(c, name, rootdir, nroot, rootgen);
1990/0227		}
1991/1115/sys/src/9/port/devroot.c:114,121 – 1991/1206/sys/src/9/port/devroot.c:121,126
1991/1115		USED(c);
1990/0227		} #include "boot.h"                  long
1991/0411		rootread(Chan *c, void *buf, long n, ulong offset)
1990/0227		{
1991/1115/sys/src/9/port/devroot.c:125,134 – 1991/1206/sys/src/9/port/devroot.c:130,139
1991/0615		return devdirread(c, buf, n, rootdir, nroot, rootgen);
1990/0227		case Qboot: /* boot */
1991/0411		if(offset >= sizeof bootcode)
1991/1206		if(offset >= bootlen)
1990/0227		return 0;
1991/0411		if(offset+n > sizeof bootcode) n = sizeof bootcode - offset;
1991/1206		if(offset+n > bootlen) n = bootlen - offset;
1991/0411		memmove(buf, ((char*)bootcode)+offset, n);
1991/0214		return n;