X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=3sys;a=blobdiff_plain;f=sys1%2Fmkgrubimage;fp=sys1%2Fmkgrubimage;h=b97a18a1187f19735659c54c4efbc9af3ff1bf90;hp=0000000000000000000000000000000000000000;hb=ebc5d64326bba69c74ae103fad61b04a542f9eb2;hpb=a9ac2db02f009e086df85d25dc9b32452f259538

diff --git a/sys1/mkgrubimage b/sys1/mkgrubimage
new file mode 100755
index 0000000..b97a18a
--- /dev/null
+++ b/sys1/mkgrubimage
@@ -0,0 +1,41 @@
+#!/bin/sh
+
+SUDO=
+mntpt=/tmp/3sys1mnt
+
+make -C kern || exit 1
+
+echo 'creating partition image: part.img'
+dd if=/dev/zero of=part.img bs=1024 count=63488
+mkfs -t vfat -n SYS1ROOT part.img
+
+echo 'creating disk image: disk.img'
+dd if=/dev/zero of=disk.img bs=1024 count=65536
+echo start=2048 type=c | sfdisk disk.img
+
+echo 'combining images'
+dd if=part.img of=disk.img bs=1024 seek=1024 conv=notrunc
+
+if [ "`id -u`" != 0 ]; then
+	if sudo --version >/dev/null 2>&1; then
+		echo 'will need superuser priviledges for the next part, using sudo'
+		SUDO=sudo
+	else
+		echo 'will need superuser priviledges for the next part, using su'
+		su || exit 1
+	fi
+fi
+
+echo "mounting parition image to $mntpt"
+$SUDO mkdir -p $mntpt
+$SUDO mount -o loop,offset=1M disk.img $mntpt
+$SUDO mkdir -p $mntpt/boot/grub
+echo 'copying grub files'
+$SUDO cp grub.cfg $mntpt/boot/grub
+echo 'copying kernel'
+$SUDO cp kern/kern1.elf $mntpt/boot
+echo 'installing grub'
+$SUDO grub-install --target=i386-pc --boot-directory=$mntpt/boot \
+	--skip-fs-probe --install-modules='part_msdos fat multiboot' \
+	--modules='part_msdos fat multiboot' disk.img
+$SUDO umount $mntpt