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grub2/grub2-s390x-06-loadparm.patch
Michael Chang 957b4bf706 Accepting request 1191065 from home:gary_lin:branches:Base:System
- Switch to '--no-hostonly' when creating the ZIPL initrd in the
  KIWI build environment to avoid some potential issues due to the
  missing modules
  * grub2-s390x-set-hostonly.patch

OBS-URL: https://build.opensuse.org/request/show/1191065
OBS-URL: https://build.opensuse.org/package/show/Base:System/grub2?expand=0&rev=510
2024-08-02 08:19:09 +00:00

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1.2 KiB
Diff

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(+)
--- a/util/grub.d/00_header.in
+++ b/util/grub.d/00_header.in
@@ -54,6 +54,33 @@
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