From 9e3df2b52d74a119b6b5bf5e79879d485ed257e7 Mon Sep 17 00:00:00 2001
From: Gordon Messmer <gordon.messmer@gmail.com>
Date: Sat, 28 Aug 2021 22:26:08 -0700
Subject: Add 20_pcmemtest grub helper script for bios package.

---
 20_pcmemtest                | 121 ++++++++++++++++++++++++++++++++++++++++++++
 pcmemtest-unsigned-x64.spec |  13 +++--
 2 files changed, 130 insertions(+), 4 deletions(-)
 create mode 100644 20_pcmemtest

diff --git a/20_pcmemtest b/20_pcmemtest
new file mode 100644
index 0000000..68c5072
--- /dev/null
+++ b/20_pcmemtest
@@ -0,0 +1,121 @@
+#! /bin/sh
+set -e
+
+# grub-mkconfig helper script.
+# Copyright (C) 2011  Michal Ambroz <rebus@seznam.cz>
+#
+# 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.
+#
+# 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 the script.  If not, see <http://www.gnu.org/licenses/>.
+
+prefix=/usr
+exec_prefix=/usr
+bindir=/usr/bin
+grublibdir=/usr/share/grub
+. ${grublibdir}/grub-mkconfig_lib
+
+export TEXTDOMAIN=grub
+export TEXTDOMAINDIR=${prefix}/share/locale
+
+CLASS=""
+
+if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then
+  OS=PCMemTest
+else
+  OS="${GRUB_DISTRIBUTOR} PCMemTest"
+fi
+IMAGE="pcmemtest"
+
+# loop-AES arranges things so that /dev/loop/X can be our root device, but
+# the initrds that Linux uses don't like that.
+case ${GRUB_DEVICE} in
+  /dev/loop/*|/dev/loop[0-9])
+    GRUB_DEVICE=`losetup ${GRUB_DEVICE} | sed -e "s/^[^(]*(\([^)]\+\)).*/\1/"`
+  ;;
+esac
+
+if [ "x${GRUB_DEVICE_UUID}" = "x" ] || [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ] \
+    || ! test -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}" \
+    || uses_abstraction "${GRUB_DEVICE}" lvm; then
+  LINUX_ROOT_DEVICE=${GRUB_DEVICE}
+else
+  LINUX_ROOT_DEVICE=UUID=${GRUB_DEVICE_UUID}
+fi
+
+if [ "x`${grub_probe} --device ${GRUB_DEVICE} --target=fs 2>/dev/null || true`" = xbtrfs ]; then
+  rootsubvol="`make_system_path_relative_to_its_root /`"
+  rootsubvol="${rootsubvol#/}"
+  if [ "x${rootsubvol}" != x ]; then
+    GRUB_CMDLINE_LINUX="rootflags=subvol=${rootsubvol} ${GRUB_CMDLINE_LINUX}"
+  fi
+fi
+
+pcmemtest_entry ()
+{
+  os="$1"
+  version="$2"
+  recovery="$3"
+  args="$4"
+  title="$(gettext_quoted "%s %s")"
+  printf "menuentry '${title}' {\n" "${os}" "${version}"
+
+
+  if [ x$dirname = x/ ]; then
+    if [ -z "${prepare_root_cache}" ]; then
+      prepare_root_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE} | sed -e "s/^/\t/")"
+    fi
+    printf '%s\n' "${prepare_root_cache}"
+  else
+    if [ -z "${prepare_boot_cache}" ]; then
+      prepare_boot_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE_BOOT} | sed -e "s/^/\t/")"
+    fi
+    printf '%s\n' "${prepare_boot_cache}"
+  fi
+  message="$(gettext_printf "Loading %s %s ..." "${os}" "${version}")"
+    cat << EOF
+	echo	'$message'
+	set     gfxpayload=640x400,800x600,1024x768
+	linux32 ${rel_dirname}/${basename}
+}
+EOF
+}
+
+case x`uname -m` in
+    xi?86 | xx86_64)
+	list=`for i in /boot/${IMAGE}* ; do
+                  if grub_file_is_not_garbage "$i" ; then echo -n "$i " ; fi
+              done` ;;
+    *)
+	list=`for i in /boot/${IMAGE}* ; do
+                  if grub_file_is_not_garbage "$i" ; then echo -n "$i " ; fi
+	     done` ;;
+esac
+
+prepare_boot_cache=
+prepare_root_cache=
+
+while [ "x$list" != "x" ] ; do
+  linux=`version_find_latest $list`
+  echo "Found pcmemtest image: $linux" >&2
+  basename=`basename $linux`
+  dirname=`dirname $linux`
+  rel_dirname=`make_system_path_relative_to_its_root $dirname`
+  version=`echo $basename | sed -e "s,^[^0-9]*-,,g"`
+  alt_version=`echo $version | sed -e "s,\.old$,,g"`
+  linux_root_device_thisversion="${LINUX_ROOT_DEVICE}"
+
+
+  pcmemtest_entry "${OS}" "${version}" false \
+      "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}"
+
+  list=`echo $list | tr ' ' '\n' | grep -vx $linux | tr '\n' ' '`
+done
diff --git a/pcmemtest-unsigned-x64.spec b/pcmemtest-unsigned-x64.spec
index 9420178..8d5f3d8 100644
--- a/pcmemtest-unsigned-x64.spec
+++ b/pcmemtest-unsigned-x64.spec
@@ -11,6 +11,7 @@ Summary:        Stand-alone memory tester for x86 and x86-64 architecture comput
 License:        GPLv2
 URL:            https://github.com/martinwhitaker/pcmemtest
 Source0:        https://github.com/martinwhitaker/pcmemtest/archive/v%{version}/pcmemtest-%{version}.tar.gz
+Source1:        20_pcmemtest
 BuildRequires:  gcc
 ExclusiveArch:  x86_64
 
@@ -56,8 +57,11 @@ cd build64
 %install
 cd build64
 mkdir -p %{buildroot}/{boot,%{efi_esp_dir}}
-install -m 0644 memtest.efi %{buildroot}/%{efi_esp_dir}/memtest.efi
-install -m 0644 memtest.bin %{buildroot}/boot/memtest.bin
+install -m 0644 memtest.efi %{buildroot}/%{efi_esp_dir}/pcmemtest.efi
+install -m 0644 memtest.bin %{buildroot}/boot/pcmemtest.bin
+
+mkdir -p %{buildroot}%{_sysconfdir}/grub.d
+install -m755 %{SOURCE1} %{buildroot}%{_sysconfdir}/grub.d
 
 
 %files
@@ -66,11 +70,12 @@ install -m 0644 memtest.bin %{buildroot}/boot/memtest.bin
 
 
 %files efi
-%{efi_esp_dir}/memtest.efi
+%{efi_esp_dir}/pcmemtest.efi
 
 
 %files bios
-/boot/memtest.bin
+%{_sysconfdir}/grub.d/20_pcmemtest
+/boot/pcmemtest.bin
 
 
 %changelog
-- 
cgit