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initramfs-framework: mount efivarfs to make Intel VROC work well

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efivafs contain some meta data about Intel VROC, which will be
used by mdadm to create raid device.

These are preparation work to support boot from Intel VROC RAID
disk.

(From OE-Core rev: b25869c76975bbcec8d2f22f680e58976ec4de5c)

Signed-off-by: Liwei Song <liwei.song@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Liwei Song
2019-03-20 23:19:12 -04:00
committed by Richard Purdie
parent 2f42b8c2ec
commit 2d15516d40
1 changed files with 5 additions and 0 deletions
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5
meta/recipes-core/initrdscripts/initramfs-framework/init
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@@ -72,6 +72,7 @@ ROOTFS_DIR="/rootfs" # where to do the switch root
MODULE_PRE_HOOKS="" # functions to call before running each module
MODULE_POST_HOOKS="" # functions to call after running each module
MODULES_DIR=/init.d # place to look for modules
EFI_DIR=/sys/firmware/efi # place to store device firmware information
# make mount stop complaining about missing /etc/fstab
touch /etc/fstab
@@ -81,6 +82,10 @@ mkdir -p /proc /sys /run/lock /var/lock
mount -t proc proc /proc
mount -t sysfs sysfs /sys
if [ -d $EFI_DIR ];then
mount -t efivarfs none /sys/firmware/efi/efivars
fi
# populate bootparam environment
for p in `cat /proc/cmdline`; do
opt=`echo $p | cut -d'=' -f1`