installer/include/hwdetection.sh

#!/bin/bash
# $Id$

## hwdetection, needs >= sys-apps/hwinfo

# hwinfo wrapper to use hwinfo with sudo if requested
hwinfo()
{
	local use_sudo=""
	case ${SUDO} in
		yes|y|true|1) use_sudo=sudo ;;
	esac

	${use_sudo} /usr/sbin/hwinfo $@
}

# get_hwinfo $hw_item
get_hwinfo()
{
	local enable_desc="0"

	if [[ $1 = --with-description ]] || [[ $1 = -d ]]
	then
		enable_desc=1
		shift
	fi

	local item="$1"
	local all
	local i

	# handle special items
	case ${item} in
		memory) get_hwinfo_memory; return ;;
		smp) get_hwinfo_smp; return ;;
	esac

	all=$(hwinfo --short --"${item}")

	declare -i i=0
	while read device description
	do
		# skip the first line
		(( i++ ))
		[ ${i} -eq 1 ] && continue

		if [[ ${enable_desc} = 1 ]]
		then
			echo "${device};${description}"
		else
			echo "${device}"
		fi
	done <<< "${all}"
}


# special memory case
get_hwinfo_memory()
{
	local memory=$(hwinfo --memory  | grep "Memory Size" | cut -d: -f2 | sed "s:\ ::")
	echo "${memory}"
}


# special smp case
get_hwinfo_smp()
{
	local smp=$(hwinfo --smp  | grep "SMP support:" | cut -d: -f2 | sed "s:\ ::")
	echo "${smp}"
}


# get_driver_modules $hw_item
get_driver_modules()
{
	local item="$1"
	local modules
	local i

	for i in $(hwinfo --"${item}" | grep "Driver Modules:" | cut -d: -f2 )
	do
		eval $(echo "${i}" | sed -e "s:\":modules=\"\${modules}\ :" -e "s:,:\ :")
	done
	remove_duplicates "${modules}"
}

# remove_duplicates $list
remove_duplicates()
{
	local list="$@"
	local fixed_list=":"
	local i

	for i in ${list}
	do
		if [[ -z $(echo "${fixed_list}" | fgrep ":${i}:") ]]
		then
			fixed_list="${fixed_list}${i}:"
		fi
	done

	unset list

	# remove all ':' and show the cleaned list
	# this way fixes double spaces also
	local counter
	declare -i counter=0
	for i in $(echo ${fixed_list} | sed "s|:| |g")
	do
		(( counter++ ))
		if [[ ${counter} -eq 1 ]]
		then
			list="${i}"
		else
			list+=" ${i}"
		fi
	done

	echo "${list}"
}

get_x11_driver_modules()
{
	local modules
	modules="$(hwinfo --gfxcard | grep 'XFree86 v4 Server Module:' | sed 's/.*Module:\ \(.*\)/\1/')"

	# remove duplicates from list and show it
	remove_duplicates "${modules}"
}

get_evdev_device_path()
{
	local device="$1"
	local path

	case ${device} in
		mouse|keyboard) true;;
		*) die "unkown device";;
	esac

	path="$(hwinfo --${device} | grep 'Device Files:' | sed 's:.*\(/dev/input/event[0-5]\).*:\1:')"
	echo "${path}"
}

# get_netcard_driver_modules device
# e.g. get_netcard_driver_modules eth0
get_netcard_driver_modules()
{
	local device="$1"
	local modules

	if [[ -z ${device} ]]
	then
		echo "Error: get_netcard_driver_module(): no device given"
		return 1
	fi

	modules=$(hwinfo --netcard | grep -B1 "Device File: ${device}" | sed 's/.*Modules: \"\(.*\)\"/\1/;q')
	remove_duplicates "${modules}"
}

get_blkid_information()
{
	local partition="$1"
	local variable="$2"
	local method

	case $1 in
		--uuid|-u) shift; method="-U"; partition="$1"; variable="$2" ;;
		--label|-l) shift; method="-L"; partition="$1"; variable="$2" ;;
	esac

	if [[ -z ${partition} ]]
	then
		echo "Error: get_get_blkid_information()(): no partition given"
		return 1
	fi

	if [[ -z ${variable} ]]
	then
		echo "Error: get_get_blkid_information()(): no variable given"
		return 1
	fi

	blkid -o value -s "${variable}" "${method}" "${partition}"
}

get_fstype()
{
	local partition="$1"
	if [[ -z ${partition} ]]
	then
		echo "Error: get_fstype(): no partition given"
		return 1
	fi

	# does not work with uuids
	#mount -f --guess-fstype ${partition}

	get_blkid_information ${partition} TYPE
}

get_uuid()
{
	local partition="$1"
	if [[ -z ${partition} ]]
	then
		echo "Error: get_uuid(): no partition given"
		return 1
	fi

	# does not work with uuids
	#mount -f --guess-fstype ${partition}

	get_blkid_information ${partition} UUID
}

# create_initrd {/path/to/initrd kernelversion </path/to/config>}
# when nothing given then /boot/initrd-$(uname -r).img $(uname -r) will be used
# default config path is /etc/conf.d/mkinitrd
create_initrd()
{
	local initrd
	local kernel
	local config
	local chroot
	#local root
	local modules
	# enabled framebuffer modules as default
	local framebuffer=1
	local uvesafb_config="/etc/modprobe.d/uvesafb.conf"

	# very basic getops
	for i in $*
	do
		case $1 in
			--initrd|-i) shift; initrd="$1" ;;
			--config|-c) shift; config="$1" ;;
			--kernelversion|-v) shift; kernel="$1" ;;
			--nofb) shift; framebuffer=0
		esac
		shift
	done

	[[ -z ${initrd} ]] && initrd="/boot/initrd-$(uname -r).img"
	[[ -z ${kernel} ]] && kernel="$(uname -r)"
	[[ -z ${config} ]] && config="/etc/conf.d/mkinitrd"

	if [[ ! -z ${INSTALL_ROOT} ]]
	then
		config="${INSTALL_ROOT}/${config}"
		uvesafb_config="${INSTALL_ROOT}/${uvesafb_config}"
		chroot="chrooted"
	fi

	# get various modules needed to boot
	modules="$(get_driver_modules disk)"
	modules+=" $(get_driver_modules scsi)"
	modules+=" $(get_driver_modules cdrom)"

	# check for special ide_disk drivers (ata support)
	if [[ ! -z $(echo ${modules} | grep ide_disk) ]]
	then
		modules+=" $(grep ide_disk /proc/modules | cut -d' ' -f4 | sed '/-/d;s:,:\ :g')"
	fi

	# check for usb-storage and add usb host drivers
	if [[ ! -z $(echo ${modules} | grep usb[_-]storage) ]]
	then
		# add usb1, usb1.1, usb2 and ubs3 hosts
		modules+=" uhci-hcd ohci-hcd ehci-hcd xhci-hcd"
	fi

	# add some generic modules
	modules+=" sg_mod sg loop sr_mod sd_mod ide-cd ide-cd_mod ide-disk"

	# add generic framebuffer modules
	if [[ ${framebuffer} = 1 ]]
	then
		modules+=" uvesafb"

		# setup modprobe conf too
		[[ ! -d $(dirname ${uvesafb_config}) ]] && install -d $(dirname ${uvesafb_config})
		cat > ${uvesafb_config} << EOF
# This file sets the parameters for uvesafb module.	
# The following format should be used:
# options uvesafb mode_option=<xres>x<yres>[-<bpp>][@<refresh>] scroll=<ywrap|ypan|redraw> ...
#
# For more details see:
# http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=Documentation/fb/uvesafb.txt
#
EOF
		# fix a issues with virtualbox and 'ywrap'
		if [[ ! -z $(hwinfo --bios | grep -i virtualbox) ]]
		then
			# use redraw on virtualbox
			echo "options uvesafb mode_option=1024x768-32@60 scroll=redraw" >> ${uvesafb_config}
		else
			# default config 1024x768 and 60 HZ
			echo "options uvesafb mode_option=1024x768-32@60 scroll=ywrap" >> ${uvesafb_config}
		fi
	fi

	# remove all duplicate modules
	modules="$(remove_duplicates ${modules})"

	# create the config and an initrd
	echo "# autogenerated config file" > ${config}
	echo "MODULES=\"${modules}\"" >> ${config}
	echo "IMAGE_TYPE=\"initramfs\"" >> ${config}

	${chroot} mkinitrd -f ${initrd} ${kernel}
}

chrooted()
{
	local cmd="$@"

	mount -t sysfs sysfs ${INSTALL_ROOT}/sys
	mount -t proc proc ${INSTALL_ROOT}/proc
	mount -o bind /dev ${INSTALL_ROOT}/dev

	chroot ${INSTALL_ROOT} ${cmd}

	umount ${INSTALL_ROOT}/dev
	umount ${INSTALL_ROOT}/proc
	umount ${INSTALL_ROOT}/sys
}
1	niro	773	#!/bin/bash
2	niro	1027	# $Id$
3	niro	773
4			## hwdetection, needs >= sys-apps/hwinfo
5
6			# hwinfo wrapper to use hwinfo with sudo if requested
7			hwinfo()
8			{
9			local use_sudo=""
10			case ${SUDO} in
11			yes\|y\|true\|1) use_sudo=sudo ;;
12			esac
13
14			${use_sudo} /usr/sbin/hwinfo $@
15			}
16
17			# get_hwinfo $hw_item
18			get_hwinfo()
19			{
20			local enable_desc="0"
21
22			if [[ $1 = --with-description ]] \|\| [[ $1 = -d ]]
23			then
24			enable_desc=1
25			shift
26			fi
27
28			local item="$1"
29			local all
30			local i
31
32			# handle special items
33			case ${item} in
34			memory) get_hwinfo_memory; return ;;
35			smp) get_hwinfo_smp; return ;;
36			esac
37
38			all=$(hwinfo --short --"${item}")
39
40			declare -i i=0
41			while read device description
42			do
43			# skip the first line
44			(( i++ ))
45			[ ${i} -eq 1 ] && continue
46
47			if [[ ${enable_desc} = 1 ]]
48			then
49			echo "${device};${description}"
50			else
51			echo "${device}"
52			fi
53			done <<< "${all}"
54			}
55
56
57			# special memory case
58			get_hwinfo_memory()
59			{
60			local memory=$(hwinfo --memory \| grep "Memory Size" \| cut -d: -f2 \| sed "s:\ ::")
61			echo "${memory}"
62			}
63
64
65			# special smp case
66			get_hwinfo_smp()
67			{
68			local smp=$(hwinfo --smp \| grep "SMP support:" \| cut -d: -f2 \| sed "s:\ ::")
69			echo "${smp}"
70			}
71
72
73			# get_driver_modules $hw_item
74			get_driver_modules()
75			{
76			local item="$1"
77			local modules
78	niro	1035	local i
79	niro	773
80			for i in $(hwinfo --"${item}" \| grep "Driver Modules:" \| cut -d: -f2 )
81			do
82			eval $(echo "${i}" \| sed -e "s:\":modules=\"\${modules}\ :" -e "s:,:\ :")
83			done
84	niro	1027	remove_duplicates "${modules}"
85	niro	773	}
86
87			# remove_duplicates $list
88			remove_duplicates()
89			{
90			local list="$@"
91			local fixed_list=":"
92			local i
93
94			for i in ${list}
95			do
96			if [[ -z $(echo "${fixed_list}" \| fgrep ":${i}:") ]]
97			then
98			fixed_list="${fixed_list}${i}:"
99			fi
100			done
101
102			unset list
103
104			# remove all ':' and show the cleaned list
105			# this way fixes double spaces also
106	niro	1027	local counter
107			declare -i counter=0
108	niro	773	for i in $(echo ${fixed_list} \| sed "s\|:\| \|g")
109			do
110	niro	1027	(( counter++ ))
111			if [[ ${counter} -eq 1 ]]
112			then
113			list="${i}"
114			else
115			list+=" ${i}"
116			fi
117	niro	773	done
118
119			echo "${list}"
120			}
121
122			get_x11_driver_modules()
123			{
124			local modules
125	niro	1027	modules="$(hwinfo --gfxcard \| grep 'XFree86 v4 Server Module:' \| sed 's/.Module:\ \(.\)/\1/')"
126	niro	773
127			# remove duplicates from list and show it
128			remove_duplicates "${modules}"
129			}
130
131	niro	1027	get_evdev_device_path()
132			{
133			local device="$1"
134			local path
135
136			case ${device} in
137			mouse\|keyboard) true;;
138			*) die "unkown device";;
139			esac
140
141			path="$(hwinfo --${device} \| grep 'Device Files:' \| sed 's:.\(/dev/input/event[0-5]\).:\1:')"
142			echo "${path}"
143			}
144
145			# get_netcard_driver_modules device
146			# e.g. get_netcard_driver_modules eth0
147			get_netcard_driver_modules()
148			{
149			local device="$1"
150			local modules
151
152			if [[ -z ${device} ]]
153			then
154			echo "Error: get_netcard_driver_module(): no device given"
155			return 1
156			fi
157
158			modules=$(hwinfo --netcard \| grep -B1 "Device File: ${device}" \| sed 's/.Modules: \"\(.\)\"/\1/;q')
159			remove_duplicates "${modules}"
160			}
161
162			get_blkid_information()
163			{
164			local partition="$1"
165			local variable="$2"
166			local method
167
168			case $1 in
169			--uuid\|-u) shift; method="-U"; partition="$1"; variable="$2" ;;
170			--label\|-l) shift; method="-L"; partition="$1"; variable="$2" ;;
171			esac
172
173			if [[ -z ${partition} ]]
174			then
175			echo "Error: get_get_blkid_information()(): no partition given"
176			return 1
177			fi
178
179			if [[ -z ${variable} ]]
180			then
181			echo "Error: get_get_blkid_information()(): no variable given"
182			return 1
183			fi
184
185			blkid -o value -s "${variable}" "${method}" "${partition}"
186			}
187
188			get_fstype()
189			{
190			local partition="$1"
191			if [[ -z ${partition} ]]
192			then
193			echo "Error: get_fstype(): no partition given"
194			return 1
195			fi
196
197			# does not work with uuids
198			#mount -f --guess-fstype ${partition}
199
200			get_blkid_information ${partition} TYPE
201			}
202
203			get_uuid()
204			{
205			local partition="$1"
206			if [[ -z ${partition} ]]
207			then
208			echo "Error: get_uuid(): no partition given"
209			return 1
210			fi
211
212			# does not work with uuids
213			#mount -f --guess-fstype ${partition}
214
215			get_blkid_information ${partition} UUID
216			}
217
218	niro	773	# create_initrd {/path/to/initrd kernelversion </path/to/config>}
219			# when nothing given then /boot/initrd-$(uname -r).img $(uname -r) will be used
220			# default config path is /etc/conf.d/mkinitrd
221			create_initrd()
222			{
223			local initrd
224			local kernel
225			local config
226			local chroot
227			#local root
228			local modules
229	niro	1027	# enabled framebuffer modules as default
230			local framebuffer=1
231			local uvesafb_config="/etc/modprobe.d/uvesafb.conf"
232	niro	773
233			# very basic getops
234			for i in $*
235			do
236			case $1 in
237			--initrd\|-i) shift; initrd="$1" ;;
238			--config\|-c) shift; config="$1" ;;
239			--kernelversion\|-v) shift; kernel="$1" ;;
240	niro	1027	--nofb) shift; framebuffer=0
241	niro	773	esac
242			shift
243			done
244
245			[[ -z ${initrd} ]] && initrd="/boot/initrd-$(uname -r).img"
246			[[ -z ${kernel} ]] && kernel="$(uname -r)"
247			[[ -z ${config} ]] && config="/etc/conf.d/mkinitrd"
248
249			if [[ ! -z ${INSTALL_ROOT} ]]
250			then
251			config="${INSTALL_ROOT}/${config}"
252	niro	1027	uvesafb_config="${INSTALL_ROOT}/${uvesafb_config}"
253	niro	773	chroot="chrooted"
254			fi
255
256			# get various modules needed to boot
257			modules="$(get_driver_modules disk)"
258			modules+=" $(get_driver_modules scsi)"
259			modules+=" $(get_driver_modules cdrom)"
260
261			# check for special ide_disk drivers (ata support)
262			if [[ ! -z $(echo ${modules} \| grep ide_disk) ]]
263			then
264			modules+=" $(grep ide_disk /proc/modules \| cut -d' ' -f4 \| sed '/-/d;s:,:\ :g')"
265			fi
266
267	niro	1476	# check for usb-storage and add usb host drivers
268			if [[ ! -z $(echo ${modules} \| grep usb[_-]storage) ]]
269			then
270			# add usb1, usb1.1, usb2 and ubs3 hosts
271			modules+=" uhci-hcd ohci-hcd ehci-hcd xhci-hcd"
272			fi
273
274	niro	1027	# add some generic modules
275			modules+=" sg_mod sg loop sr_mod sd_mod ide-cd ide-cd_mod ide-disk"
276
277			# add generic framebuffer modules
278			if [[ ${framebuffer} = 1 ]]
279			then
280			modules+=" uvesafb"
281
282			# setup modprobe conf too
283			[[ ! -d $(dirname ${uvesafb_config}) ]] && install -d $(dirname ${uvesafb_config})
284			cat > ${uvesafb_config} << EOF
285			# This file sets the parameters for uvesafb module.
286			# The following format should be used:
287			# options uvesafb mode_option=<xres>x<yres>[-<bpp>][@<refresh>] scroll=<ywrap\|ypan\|redraw> ...
288			#
289			# For more details see:
290			# http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=Documentation/fb/uvesafb.txt
291			#
292			EOF
293	niro	1065	# fix a issues with virtualbox and 'ywrap'
294			if [[ ! -z $(hwinfo --bios \| grep -i virtualbox) ]]
295			then
296			# use redraw on virtualbox
297			echo "options uvesafb mode_option=1024x768-32@60 scroll=redraw" >> ${uvesafb_config}
298			else
299			# default config 1024x768 and 60 HZ
300			echo "options uvesafb mode_option=1024x768-32@60 scroll=ywrap" >> ${uvesafb_config}
301			fi
302	niro	1027	fi
303
304	niro	773	# remove all duplicate modules
305			modules="$(remove_duplicates ${modules})"
306
307			# create the config and an initrd
308			echo "# autogenerated config file" > ${config}
309			echo "MODULES=\"${modules}\"" >> ${config}
310			echo "IMAGE_TYPE=\"initramfs\"" >> ${config}
311
312			${chroot} mkinitrd -f ${initrd} ${kernel}
313			}
314
315			chrooted()
316			{
317			local cmd="$@"
318
319			mount -t sysfs sysfs ${INSTALL_ROOT}/sys
320			mount -t proc proc ${INSTALL_ROOT}/proc
321			mount -o bind /dev ${INSTALL_ROOT}/dev
322
323			chroot ${INSTALL_ROOT} ${cmd}
324
325			umount ${INSTALL_ROOT}/dev
326			umount ${INSTALL_ROOT}/proc
327			umount ${INSTALL_ROOT}/sys
328			}