nusb: change usbevent format, put nusbrc in bootfs

sys/src/9/boot/bootrc

@@ -152,10 +152,7 @@ if(test -e '#b' && test -x /bin/aux/kbdfs){
 	aux/kbdfs -s cons $a
 }
 
-if(test -e '#u' && test -x /bin/usb/usbd){
-	bind -a '#u' /dev
-	usb/usbd
-}
+nusbrc
 
 # bind in an ip interface
 for(i in I l^(0 1 2 3))

sys/src/9/boot/nusbrc

@@ -0,0 +1,18 @@
+#!/bin/rc
+
+if(! bind -a '#u' /dev)
+	exit
+if(! nusb/usbd)
+	exit
+
+fn dev {
+	switch($4){
+	case *03
+		nusb/kb $1
+	case *08
+		nusb/disk $1
+	}
+}
+rc </dev/usbevent &
+
+bind -a '#σ/usb' /dev

sys/src/9/port/bootfs.proto

@@ -30,8 +30,10 @@ $cputype
 		srv
 		test
 		unmount
-		usb
+		nusb
 			usbd
+			disk
+			kb
 		xd
 rc
 	lib
@@ -41,5 +43,6 @@ rc
 	bin
 		fstype
 		diskparts
+		nusbrc 555 sys sys ../boot/nusbrc
 		bootrc 555 sys sys ../boot/bootrc
 tmp

sys/src/cmd/nusb/usbd/usbd.c

@@ -208,8 +208,7 @@ formatdev(Dev *d)
 	Usbdev *u;
 	
 	u = d->usb;
-	return smprint("in id %d vid 0x%.4x did 0x%.4x csp 0x%.8lx\n",
-		d->id, u->vid, u->did, u->csp);
+	return smprint("dev %d %.4x %.4x %.8lx\n", d->id, u->vid, u->did, u->csp);
 }
 
 static void
@@ -333,8 +332,10 @@ main(int argc, char **argv)
 {
 	int fd, i, nd;
 	Dir *d;
-	
-	argc--; argv++;
+
+	ARGBEGIN {
+	} ARGEND;
+
 	initevent();
 	rfork(RFNOTEG);
 	switch(rfork(RFPROC|RFMEM)){
@@ -358,4 +359,5 @@ main(int argc, char **argv)
 			rendezvous(work, strdup(argv[i]));
 	rendezvous(work, nil);
 	postsharesrv(&usbdsrv, nil, "usb", "usbd", "b");
+	exits(nil);
 }