File grub2-s390x-06-loadparm.patch of Package grub2.16180
From: Raymund Will <rw@suse.com>
Subject: Allow s390x-emu to telecontrolled by LOADPARM
References: bsc#892852, bsc#891946
Patch-Mainline: no
---
util/grub.d/00_header.in | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
Index: grub-2.02~beta3/util/grub.d/00_header.in
===================================================================
--- grub-2.02~beta3.orig/util/grub.d/00_header.in
+++ grub-2.02~beta3/util/grub.d/00_header.in
@@ -52,6 +52,33 @@ if [ "\${env_block}" ] ; then
fi
EOF
+if [ "`uname -m`" = "s390x" ]; then
+ cat <<EOF
+if [ ! "\$sys_loadparm" ]; then
+ set sys_loadparm=/sys/firmware/ipl/loadparm
+fi
+while [ -f "\$sys_loadparm" ]; do
+ unset loadparm
+ read_file "\$sys_loadparm" loadparm
+ if [ ! "\${loadparm}" ]; then break; fi
+ unset z_gp # extract grub part
+ regexp -s 2:z_gp '^([^Gg]*)[Gg](.+)$' "\$loadparm"
+ if [ ! "\$z_gp" ]; then break; fi
+ while true; do
+ unset z_1
+ unset z_2 # remap zIPL-compatible "." to grub's '>'
+ regexp -s 1:z_1 -s 2:z_2 '^([0-9][0-9>]*)\.([0-9][0-9.]*)$' "\$z_gp"
+ if [ ! "\$z_1" -o ! "\$z_2" ]; then break; fi
+ set z_gp="\$z_1>\$z_2"
+ done
+ if [ ! "\$z_gp" ]; then break; fi
+ set next_entry="\$z_gp"
+ unset z_gp
+ unset loadparm
+ break
+done
+EOF
+fi
if [ "x$GRUB_BUTTON_CMOS_ADDRESS" != "x" ]; then
cat <<EOF
if cmostest $GRUB_BUTTON_CMOS_ADDRESS ; then