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