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synopsys/axs10x: Update /etc/inittab by post-build

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To not maintain custom copy of inittab file lets adopt approach
used in raspberrypi adding post-build script for synopsys/axs10x
boards.

Signed-off-by: Evgeniy Didin <didin@synopsys.com>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Cc: arc-buildroot@synopsys.com
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Evgeniy Didin 2018-06-19 14:30:52 +03:00 committed by Peter Korsgaard
parent 8733193e6b
commit 2cdfa6c849
4 changed files with 13 additions and 44 deletions
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42
board/synopsys/axs10x/fs-overlay/etc/inittab
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@ -1,42 +0,0 @@
# /etc/inittab
#
# Copyright (C) 2001 Erik Andersen <andersen@codepoet.org>
#
# Note: BusyBox init doesn't support runlevels. The runlevels field is
# completely ignored by BusyBox init. If you want runlevels, use
# sysvinit.
#
# Format for each entry: <id>:<runlevels>:<action>:<process>
#
# id == tty to run on, or empty for /dev/console
# runlevels == ignored
# action == one of sysinit, respawn, askfirst, wait, and once
# process == program to run
# Startup the system
::sysinit:/bin/mount -t proc proc /proc
::sysinit:/bin/mount -o remount,rw /
::sysinit:/bin/mkdir -p /dev/pts /dev/shm
::sysinit:/bin/mount -a
::sysinit:/sbin/swapon -a
null::sysinit:/bin/ln -sf /proc/self/fd /dev/fd
null::sysinit:/bin/ln -sf /proc/self/fd/0 /dev/stdin
null::sysinit:/bin/ln -sf /proc/self/fd/1 /dev/stdout
null::sysinit:/bin/ln -sf /proc/self/fd/2 /dev/stderr
::sysinit:/bin/hostname -F /etc/hostname
# now run any rc scripts
::sysinit:/etc/init.d/rcS
# /sbin/getty invocation for tty0
tty0::respawn:/sbin/getty 115200 tty0
# Put a getty on the serial port
console::respawn:/sbin/getty -L console 0 vt100
# Stuff to do for the 3-finger salute
::ctrlaltdel:/sbin/reboot
# Stuff to do before rebooting
::shutdown:/etc/init.d/rcK
::shutdown:/sbin/swapoff -a
::shutdown:/bin/umount -a -r

11
board/synopsys/axs10x/post-build.sh Executable file
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@ -0,0 +1,11 @@
#!/bin/sh
set -u
set -e
# Add a console on tty0
if [ -e ${TARGET_DIR}/etc/inittab ]; then
grep -qE '^tty0::' ${TARGET_DIR}/etc/inittab || \
sed -i '/GENERIC_SERIAL/a\
tty0::respawn:/sbin/getty 115200 tty0' ${TARGET_DIR}/etc/inittab
fi

2
configs/snps_arc700_axs101_defconfig
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@ -6,7 +6,7 @@ BR2_TARGET_GENERIC_HOSTNAME="axs101"
BR2_TARGET_GENERIC_ISSUE="Welcome to the ARC Software Development Platform"
BR2_TARGET_ROOTFS_INITRAMFS=y
BR2_SYSTEM_DHCP="eth0"
BR2_ROOTFS_OVERLAY="board/synopsys/axs10x/fs-overlay"
BR2_ROOTFS_POST_BUILD_SCRIPT="board/synopsys/axs10x/post-build.sh"
# Linux headers same as kernel, a 4.16 series
BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_16=y

2
configs/snps_archs38_axs103_defconfig
View File

@ -7,7 +7,7 @@ BR2_TARGET_GENERIC_HOSTNAME="axs103"
BR2_TARGET_GENERIC_ISSUE="Welcome to the ARC Software Development Platform"
BR2_TARGET_ROOTFS_INITRAMFS=y
BR2_SYSTEM_DHCP="eth0"
BR2_ROOTFS_OVERLAY="board/synopsys/axs10x/fs-overlay"
BR2_ROOTFS_POST_BUILD_SCRIPT="board/synopsys/axs10x/post-build.sh"
# Linux headers same as kernel, a 4.16 series
BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_16=y