3 # create_initrd_loop(size)
5 [ "$#" -ne "1" ] && gen_die "invalid use of create_initrd_loop"
6 mkdir -p ${TEMP}/initrd-temp || gen_die "could not create loopback dir"
7 dd if=/dev/zero of=${TEMP}/initrd-loop bs=1k count=${1} >> "${DEBUGFILE}" 2>&1 || gen_die "could not zero initrd-loop"
8 mke2fs -F -q -N${1} "${TEMP}/initrd-loop" >> "${DEBUGFILE}" 2>&1 || gen_die "could not format initrd-loop"
9 mount -t ext2 -o loop "${TEMP}/initrd-loop" "${TEMP}/initrd-temp" >> "${DEBUGFILE}" 2>&1 || gen_die "could not mount initrd filesystem"
12 create_initrd_unmount_loop()
15 umount "${TEMP}/initrd-temp" || gen_die "could not unmount initrd system"
18 create_base_initrd_sys() {
19 mkdir -p ${TEMP}/initrd-temp/dev
20 mkdir -p ${TEMP}/initrd-temp/bin
21 mkdir -p ${TEMP}/initrd-temp/etc
22 mkdir -p ${TEMP}/initrd-temp/usr
23 mkdir -p ${TEMP}/initrd-temp/proc
24 mkdir -p ${TEMP}/initrd-temp/temp
25 mkdir -p ${TEMP}/initrd-temp/.initrd
26 mkdir -p ${TEMP}/initrd-temp/new_root
27 mkdir -p ${TEMP}/initrd-temp/keymaps
28 ln -s bin ${TEMP}/initrd-temp/sbin
29 ln -s ../bin ${TEMP}/initrd-temp/usr/bin
30 ln -s ../bin ${TEMP}/initrd-temp/usr/sbin
31 echo "/dev/ram0 / ext2 defaults" > ${TEMP}/initrd-temp/etc/fstab
32 echo "proc /proc proc defaults 0 0" >> ${TEMP}/initrd-temp/etc/fstab
34 cd ${TEMP}/initrd-temp/dev
38 cp "${BUSYBOX_BINCACHE}" "${TEMP}/initrd-temp/bin/busybox.bz2" || gen_die "could not copy busybox from bincache"
39 bunzip2 "${TEMP}/initrd-temp/bin/busybox.bz2" || gen_die "could not uncompress busybox"
41 cp "${MODULE_INIT_TOOLS_BINCACHE}" "${TEMP}/initrd-temp/bin/insmod.static.bz2" || gen_die "could not copy insmod.static from bincache"
42 bunzip2 "${TEMP}/initrd-temp/bin/insmod.static.bz2" || gen_die "could not uncompress insmod.static"
44 for i in '[' ash basename cat chroot clear cp dirname echo env false find \
45 grep gunzip gzip insmod ln ls loadkmap losetup lsmod mkdir mknod modprobe more mount mv \
46 pivot_root ps awk pwd rm rmdir rmmod sh sleep tar test touch true umount uname \
47 xargs yes zcat chmod chown; do
48 rm -f ${TEMP}/initrd-temp/bin/$i > /dev/null
49 ln ${TEMP}/initrd-temp/bin/busybox ${TEMP}/initrd-temp/bin/$i || gen_die "could not link ${i}"
53 create_initrd_modules() {
54 if [ "${PAT}" -gt "4" ]
60 local modc i mods mymod
61 for modc in storage firewire ataraid pcmcia usb
63 mkdir -p ${TEMP}/initrd-temp/lib/modules/${modc}
64 mods=`echo $modc | tr [:lower:] [:upper:]`_MODULES
68 print_info 2 "$i : module searching" 1 0
69 mymod=`find /lib/modules/${KV} -name "${i}${MOD_EXT}"`
72 print_info 2 "Warning : ${i}${MOD_EXT} not found; skipping..."
75 print_info 2 "copying ${mymod} to initrd"
76 cp -ax --parents "${mymod}" "${TEMP}/initrd-temp"
80 cp -ax --parents /lib/modules/${KV}/modules* ${TEMP}/initrd-temp
81 cat ${GK_SHARE}/${ARCH}/linuxrc | sed -e "s/%%STORAGE_MODULES%%/${STORAGE_MODULES}/" \
82 -e "s/%%FIREWIRE_MODULES%%/${FIREWIRE_MODULES}/" \
83 -e "s/%%ATARAID_MODULES%%/${ATARAID_MODULES}/" \
84 -e "s/%%PCMCIA_MODULES%%/${PCMCIA_MODULES}/" \
85 -e "s/%%USB_MODULES%%/${USB_MODULES}/" \
86 > ${TEMP}/initrd-temp/linuxrc
87 chmod +x ${TEMP}/initrd-temp/linuxrc
92 print_info 1 "initrd: creating loopback filesystem"
93 create_initrd_loop 5000
95 print_info 1 "initrd: creating base system"
96 create_base_initrd_sys
98 print_info 1 "initrd: copying modules"
101 print_info 1 "initrd: cleaning up and compressing initrd"
102 create_initrd_unmount_loop
104 if [ "${COMPRESS_INITRD}" ]
106 gzip -f -9 ${TEMP}/initrd-loop
107 mv ${TEMP}/initrd-loop.gz ${TEMP}/initrd-loop
110 if [ "${BOOTSPLASH}" -eq "1" ]
112 print_info 1 "initrd: copying bootsplash"
113 /sbin/splash -s -f /etc/bootsplash/gentoo/config/bootsplash-800x600.cfg >> ${TEMP}/initrd-loop || gen_die "could not copy 800x600 bootsplash"
114 /sbin/splash -s -f /etc/bootsplash/gentoo/config/bootsplash-1024x768.cfg >> ${TEMP}/initrd-loop || gen_die "could not copy 1024x768 bootsplash"
115 /sbin/splash -s -f /etc/bootsplash/gentoo/config/bootsplash-1280x1024.cfg >> ${TEMP}/initrd-loop || gen_die "could not copy 1280x1024 bootsplash"
116 /sbin/splash -s -f /etc/bootsplash/gentoo/config/bootsplash-1600x1200.cfg >> ${TEMP}/initrd-loop || gen_die "could not copy 1600x1200 bootsplash"
118 cp ${TEMP}/initrd-loop /boot/initrd-${KV} || gen_die "could not copy initrd to boot"