shithub: riscv

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boot: partitioning USB disks, mounting 9front.iso from FAT partition

--- a/sys/src/9/boot/bootrc

+++ b/sys/src/9/boot/bootrc

@@ -3,6 +3,7 @@

 mt=()

 . /rc/lib/tcp.rc

 . /rc/lib/local.rc

+. /rc/lib/usb.rc

 fn fatal {

 	echo $*

@@ -55,6 +56,7 @@

 fn main{

 	rm -f /srv/boot

+	rm -f /srv/usb

 	getmethod

@@ -138,6 +140,7 @@

 		cat $"kbmap >/dev/kbmap

 }

+configusb		# run partfs on usb disks

 configlocal	# add partitions and binds

 while()@{

--- /dev/null

+++ b/sys/src/9/boot/usb.rc

@@ -1,0 +1,24 @@

+fn configusb{

+	for(c in /dev/sdU*[0-9]){

+		d=`{echo $c | sed 's,^/dev/(.*),\1p,g'}

+		if(! test -d /dev/$d)

+			disk/partfs -d $d $c/data

+	}

+}

+

+fn connectusb{

+	m=/mnt/usb

+	if(! test -r $1)

+		fatal device $1 does not exist

+	if(! test -r $1/dos)

+		fatal device $1 does not have dos partition

+	mkdir -p $m

+	dossrv -r -f $1/dos usb

+	mount /srv/usb $m

+	if(! test -r $m/9front.iso)

+		fatal $m/9front.iso not found

+	{9660srv -s -f $m/9front.iso &} <[0=1] | echo 0 >/srv/boot

+}

+

+musb=(configusb connectusb)

+mt=(musb $mt)

--- a/sys/src/9/port/bootfs.proto

+++ b/sys/src/9/port/bootfs.proto

@@ -10,6 +10,7 @@

 			fdisk

 			kfs

 			prep

+			partfs

 		dossrv

 		echo

 		cwfs64x

@@ -19,6 +20,7 @@

 		ip

 			ipconfig

 		ls

+		mkdir

 		mount

 		ramfs

 		rc

@@ -38,6 +40,7 @@

 		rcmain

 		local.rc 555 sys sys ../boot/local.rc

 		tcp.rc 555 sys sys ../boot/tcp.rc

+		usb.rc 555 sys sys ../boot/usb.rc

 	bin

 		fstype

 		diskparts