From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001

From: Mark Hamzy <hamzy@us.ibm.com>

Date: Wed, 28 Mar 2012 14:46:41 -0500

Subject: [PATCH] Migrate PPC from Yaboot to Grub2

Add configuration support for serial terminal consoles.  This will set the

maximum screen size so that text is not overwritten.

---

 Makefile.util.def              |   7 +++

 util/grub.d/20_ppc_terminfo.in | 114 +++++++++++++++++++++++++++++++++++++++++

 2 files changed, 121 insertions(+)

 create mode 100644 util/grub.d/20_ppc_terminfo.in

diff --git a/Makefile.util.def b/Makefile.util.def

index a286a89cd8d..8f40e78332a 100644

--- a/Makefile.util.def

+++ b/Makefile.util.def

@@ -484,6 +484,13 @@ script = {

   condition = COND_HOST_LINUX;

 };

+script = {

+  name = '20_ppc_terminfo';

+  common = util/grub.d/20_ppc_terminfo.in;

+  installdir = grubconf;

+  condition = COND_HOST_LINUX;

+};

+

 script = {

   name = '30_os-prober';

   common = util/grub.d/30_os-prober.in;

diff --git a/util/grub.d/20_ppc_terminfo.in b/util/grub.d/20_ppc_terminfo.in

new file mode 100644

index 00000000000..10d66586820

--- /dev/null

+++ b/util/grub.d/20_ppc_terminfo.in

@@ -0,0 +1,114 @@

+#! /bin/sh

+set -e

+

+# grub-mkconfig helper script.

+# Copyright (C) 2006,2007,2008,2009,2010  Free Software Foundation, Inc.

+#

+# GRUB is free software: you can redistribute it and/or modify

+# it under the terms of the GNU General Public License as published by

+# the Free Software Foundation, either version 3 of the License, or

+# (at your option) any later version.

+#

+# GRUB is distributed in the hope that it will be useful,

+# but WITHOUT ANY WARRANTY; without even the implied warranty of

+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

+# GNU General Public License for more details.

+#

+# You should have received a copy of the GNU General Public License

+# along with GRUB.  If not, see <http://www.gnu.org/licenses/>.

+

+prefix=@prefix@

+exec_prefix=@exec_prefix@

+bindir=@bindir@

+libdir=@libdir@

+. "@datadir@/@PACKAGE@/grub-mkconfig_lib"

+

+export TEXTDOMAIN=@PACKAGE@

+export TEXTDOMAINDIR=@localedir@

+

+X=80

+Y=24

+TERMINAL=ofconsole

+

+argument () {

+  opt=$1

+  shift

+

+  if test $# -eq 0; then

+      echo "$0: option requires an argument -- '$opt'" 1>&2

+      exit 1

+  fi

+  echo $1

+}

+

+check_terminfo () {

+

+  while test $# -gt 0

+  do

+    option=$1

+    shift

+

+    case "$option" in

+    terminfo | TERMINFO)

+        ;;

+

+    -g)

+        NEWXY=`argument $option "$@"`

+        NEWX=`echo $NEWXY | cut -d x -f 1`

+        NEWY=`echo $NEWXY | cut -d x -f 2`

+

+        if [ ${NEWX} -ge 80 ] ; then

+          X=${NEWX}

+        else

+          echo "Warning: ${NEWX} is less than the minimum size of 80"

+        fi

+

+        if [ ${NEWY} -ge 24 ] ; then

+          Y=${NEWY}

+        else

+          echo "Warning: ${NEWY} is less than the minimum size of 24"

+        fi

+

+        shift

+        ;;

+

+    *)

+#       # accept console or ofconsole

+#       if [ "$option" != "console" -a "$option" != "ofconsole" ] ; then

+#         echo "Error: GRUB_TERMINFO unknown console: $option"

+#         exit 1

+#       fi

+#       # perfer console

+#       TERMINAL=console

+        # accept ofconsole

+        if [ "$option" != "ofconsole" ] ; then

+          echo "Error: GRUB_TERMINFO unknown console: $option"

+          exit 1

+        fi

+        # perfer console

+        TERMINAL=ofconsole

+        ;;

+    esac

+

+  done

+

+}

+

+if ! uname -m | grep -q ppc ; then

+  exit 0

+fi

+

+if [ "x${GRUB_TERMINFO}" != "x" ] ; then

+  F1=`echo ${GRUB_TERMINFO} | cut -d " " -f 1`

+

+  if [ "${F1}" != "terminfo" ] ; then

+    echo "Error: GRUB_TERMINFO is set to \"${GRUB_TERMINFO}\" The first word should be terminfo."

+    exit 1

+  fi

+

+  check_terminfo ${GRUB_TERMINFO}

+fi

+

+cat << EOF

+  terminfo -g ${X}x${Y} ${TERMINAL}

+EOF