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