Initial commit

target/linux/gemini/image/dns313_gen_hdd_img.sh

@@ -0,0 +1,34 @@
+#!/bin/sh
+
+set -x
+[ $# -eq 5 ] || {
+	echo "SYNTAX: $0 <file> <bootfs image> <rootfs image> <bootfs size> <rootfs size>"
+	exit 1
+}
+
+OUTPUT="$1"
+BOOTFS="$2"
+ROOTFS="$3"
+BOOTFSSIZE="$4"
+ROOTFSSIZE="$5"
+
+head=4
+sect=63
+
+# Create one empty partitions followed by the swap partition, then the
+# boot partition with the ./boot/zImage and then the rootfs partition.
+# The swap partition with type 82 is 128 MB since the DNS-313 has 64 MB of
+# memory so we assign twice of that as swap.
+# The boot partition must always be the third partition.
+# The user should use the first (blank) partition for user data storage,
+# this will typically be named /dev/sda1
+set $(ptgen -o $OUTPUT -h $head -s $sect -n -t 83 -p 0 -t 82 -p 128M -t 83 -p ${BOOTFSSIZE}M -t 83 -p ${ROOTFSSIZE}M)
+
+# Swapoffset and swapsize will be $1 and $2
+BOOTOFFSET="$(($3 / 512))"
+BOOTSIZE="$(($4 / 512))"
+ROOTFSOFFSET="$(($5 / 512))"
+ROOTFSSIZE="$(($6 / 512))"
+
+dd bs=512 if="$BOOTFS" of="$OUTPUT" seek="$BOOTOFFSET" conv=notrunc
+dd bs=512 if="$ROOTFS" of="$OUTPUT" seek="$ROOTFSOFFSET" conv=notrunc