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grub2/grub2-SUSE-Add-the-t-hotkey.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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Diff

From f6be3d41e24e685846dfc90ac1ca447501813687 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Tue, 26 Apr 2016 15:59:03 +0200
Subject: [PATCH] SUSE: Add the "t" hotkey
While graphical output is fancy and nice, in some environments (EFI) we can
only have fancy graphical on frame buffer _or_ ugly serial on any output.
To give the user a nicely graphical screen in the default case, but still
allow them to get their boot menu on the serial console, let's add a new
hidden option "t" that switches the output device back to the firmware default.
Signed-off-by: Alexander Graf <agraf@suse.de>
---
v1 -> v2
- use hiddenentry instead of --hidden
v2 -> v3 (by fvogt@suse.de)
- make it a runtime decision (bsc#1164385)
--- a/Makefile.util.def
+++ b/Makefile.util.def
@@ -552,6 +552,12 @@
installdir = grubconf;
};
+script = {
+ name = '95_textmode';
+ common = util/grub.d/95_textmode.in;
+ installdir = grubconf;
+};
+
program = {
mansection = 1;
name = grub-mkrescue;
--- a/util/grub.d/00_header.in
+++ b/util/grub.d/00_header.in
@@ -247,6 +247,10 @@
fi
cat << EOF
+ if [ "\${grub_platform}" = "efi" ]; then
+ echo "Please press 't' to show the boot menu on this console"
+ fi
+
set gfxmode=${GRUB_GFXMODE}
load_video
insmod gfxterm
--- /dev/null
+++ b/util/grub.d/95_textmode.in
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+cat <<EOF
+if [ "\${grub_platform}" = "efi" ]; then
+ # On EFI systems we can only have graphics *or* serial, so allow the user
+ # to switch between the two
+ hiddenentry 'Text mode' --hotkey 't' {
+ set textmode=true
+ terminal_output console
+ }
+fi
+EOF