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authorDarren Hart <dvhart@linux.intel.com>2012-10-25 20:30:02 (GMT)
committerDarren Hart <dvhart@linux.intel.com>2012-10-27 03:24:53 (GMT)
commit0ebdf34f9a0f023f62305bddcbc8427d36f740b4 (patch)
tree0a8f7b2ab21a063f27d2cfd5f9ced49453a76f67
parent9fe538c48e6f60fde0728069c95b06671438eeaa (diff)
downloadmeta-intel-0ebdf34f9a0f023f62305bddcbc8427d36f740b4.tar.gz
fri2: Add tiny-init bbappend for devtmpfs and console
When using an initramfs, the default for poky-tiny, the kernel cannot automatically mount devtmpfs. Ensure it is mounted. This eliminates the need to create the ptmx device. Signed-off-by: Darren Hart <dvhart@linux.intel.com>
-rw-r--r--meta-fri2/recipes-core/tiny-init/tiny-init.bbappend6
-rw-r--r--meta-fri2/recipes-core/tiny-init/tiny-init/init26
2 files changed, 32 insertions, 0 deletions
diff --git a/meta-fri2/recipes-core/tiny-init/tiny-init.bbappend b/meta-fri2/recipes-core/tiny-init/tiny-init.bbappend
new file mode 100644
index 0000000..89416dc
--- /dev/null
+++ b/meta-fri2/recipes-core/tiny-init/tiny-init.bbappend
@@ -0,0 +1,6 @@
1# Update the init script for the tiny image to manually mount devtmpfs and
2# ensure the ttyPCH1 device is available for the console.
3
4FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
5
6PRINC := "${@int(PRINC) + 1}"
diff --git a/meta-fri2/recipes-core/tiny-init/tiny-init/init b/meta-fri2/recipes-core/tiny-init/tiny-init/init
new file mode 100644
index 0000000..4b78f01
--- /dev/null
+++ b/meta-fri2/recipes-core/tiny-init/tiny-init/init
@@ -0,0 +1,26 @@
1#!/bin/sh
2
3# Mount the Linux kernel virtual filesystems
4mount none -t proc /proc
5mount none -t sysfs /sys
6
7# Ensure devtmpfs is mounted, it must be done manually with initramfs
8mount none -t devtmpfs /dev
9
10# Setup PTY infrastructure
11mkdir /dev/pts
12mount none -t devpts /dev/pts
13
14ifup lo
15
16# Allow for distro or local customizations
17if [ -f /etc/rc.local ] ; then
18 source /etc/rc.local
19fi
20
21# Become session leader and try to find a real tty (e.g. ttyS0)
22while true; do
23 setsid cttyhack sh
24 echo "Console sh exited with $?, respawning..."
25 sleep 1
26done