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Diffstat (limited to 'source/installer/sources/initrd/etc/rc.d/rc.usb')
-rwxr-xr-xsource/installer/sources/initrd/etc/rc.d/rc.usb71
1 files changed, 71 insertions, 0 deletions
diff --git a/source/installer/sources/initrd/etc/rc.d/rc.usb b/source/installer/sources/initrd/etc/rc.d/rc.usb
new file mode 100755
index 00000000..0c40b5b4
--- /dev/null
+++ b/source/installer/sources/initrd/etc/rc.d/rc.usb
@@ -0,0 +1,71 @@
+#!/bin/sh
+# rc.usb: search for USB devices needed for installation.
+
+# This is a function to unload the USB modules:
+usb_stop() {
+ modprobe -r usb-storage keybdev mousedev usbmouse hid usbkbd \
+ input uhci usb-uhci usb-ohci uhci-hcd ohci-hcd ehci-hcd 2> /dev/null
+ umount usbfs 2> /dev/null
+ modprobe -r usbcore 2> /dev/null
+}
+
+# This is a function to attempt to enable a USB keyboard,
+# mouse, and storage (CD or hard drive).
+# If this causes problems for you, use "nousb" as a kernel
+# command line option at boot time.
+usb_start() {
+ # If nousb was given at boot, skip.
+ if ! cat /proc/cmdline | grep nousb 1> /dev/null 2> /dev/null ; then
+ # If there aren't even any modules for this kernel, skip.
+ if [ -d /lib/modules/`uname -r` ]; then
+ # If usbcore is already loaded, skip.
+ if ! grep usbcore /proc/modules 1> /dev/null 2> /dev/null ; then
+ echo "Probing for USB controllers."
+ echo "(to skip, give a 'nousb' kernel option at boot)"
+ #sleep 5
+ modprobe -q usbcore >/dev/null 2>&1
+ # Try to mount usbfs:
+ if [ -d /proc/bus/usb -a ! -f /proc/bus/usb/devices ]; then
+ mount -t usbfs usbfs /proc/bus/usb
+ fi
+ # Try to load all the hub modules:
+ modprobe -q ehci-hcd >/dev/null 2>&1
+ modprobe -q ohci-hcd >/dev/null 2>&1
+ modprobe -q uhci-hcd >/dev/null 2>&1
+ modprobe -q usb-ohci >/dev/null 2>&1
+ # NOTE: this prefers "uhci"; you may prefer "usb-uhci".
+ #modprobe -q usb-uhci >/dev/null 2>&1 || modprobe -q uhci >/dev/null 2>&1
+ modprobe -q uhci >/dev/null 2>&1 || modprobe -q usb-uhci >/dev/null 2>&1
+ # Load input core:
+ modprobe -q input >/dev/null 2>&1
+ # Load USB keyboard:
+ modprobe -q usbkbd >/dev/null 2>&1
+ # Load Human Interface Device (HID) USB module:
+ modprobe -q hid >/dev/null 2>&1
+ # Load mouse (just in case (TM)) and keyboard USB input modules:
+ modprobe -q mousedev >/dev/null 2>&1
+ modprobe -q keybdev >/dev/null 2>&1
+ # Attempt to load storage support. Some funny USB ports (non-0 LUN) might not work
+ # so well, but most are well-behaved.
+ modprobe -q usb-storage >/dev/null 2>&1
+ fi
+ fi
+ fi
+}
+
+case "$1" in
+'start')
+ usb_start
+ ;;
+'stop')
+ usb_stop
+ ;;
+'restart')
+ usb_stop
+ sleep 5
+ usb_start
+ ;;
+*)
+ echo "usage $0 start|stop|restart"
+esac
+