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-rw-r--r--target/linux/x86/base-files/lib/preinit/81_upgrade_bootloader19
-rw-r--r--target/linux/x86/base-files/lib/upgrade/platform.sh3
2 files changed, 21 insertions, 1 deletions
diff --git a/target/linux/x86/base-files/lib/preinit/81_upgrade_bootloader b/target/linux/x86/base-files/lib/preinit/81_upgrade_bootloader
new file mode 100644
index 0000000000..3a4e756b1e
--- /dev/null
+++ b/target/linux/x86/base-files/lib/preinit/81_upgrade_bootloader
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+upgrade_bootloader() {
+ local diskdev
+
+ . /lib/upgrade/common.sh
+
+ if [ ! -f /boot/grub/upgraded ] && export_bootdevice && export_partdevice diskdev 0; then
+ echo "(hd0) /dev/$diskdev" > /tmp/device.map
+ /usr/sbin/grub-bios-setup \
+ -m "/tmp/device.map" \
+ -d "/boot/grub" \
+ -r "hd0,msdos1" \
+ "/dev/$diskdev" \
+ && touch /boot/grub/upgraded
+ fi
+}
+
+[ "$INITRAMFS" = "1" ] || boot_hook_add preinit_main upgrade_bootloader
diff --git a/target/linux/x86/base-files/lib/upgrade/platform.sh b/target/linux/x86/base-files/lib/upgrade/platform.sh
index 8be96dfcd4..53c751861c 100644
--- a/target/linux/x86/base-files/lib/upgrade/platform.sh
+++ b/target/linux/x86/base-files/lib/upgrade/platform.sh
@@ -60,7 +60,8 @@ platform_do_bootloader_upgrade() {
-m "/tmp/device.map" \
-d "/tmp/boot/boot/grub" \
-r "hd0,msdos1" \
- "/dev/$diskdev"
+ "/dev/$diskdev" \
+ && touch /boot/grub/upgraded
umount /tmp/boot
fi