enables a real rootfs with custom size
use qemu with:
qemu-system-arm -M realview-pbx-a9 \
-kernel openwrt-realview-vmlinux.elf \
-nographic -m 1024M \
-sd openwrt-realview-sdcard.img \
--append "console=ttyAMA0 root=/dev/mmcblk0p1"
modified script from brcm2708 target
Signed-off-by: Dirk Neukirchen <dirkneukirchen@web.de>
SVN-Revision: 46924
define Image/Build
$(call Image/Build/$(1))
+ $(call Build/sdcard-img)
dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) bs=128k conv=sync
endef
+define Build/sdcard-img
+ ./gen_realview_sdcard_img.sh \
+ $(BIN_DIR)/$(IMG_PREFIX)-$(PROFILE)sdcard.img \
+ $(KDIR)/root.ext4 \
+ $(CONFIG_TARGET_ROOTFS_PARTSIZE)
+endef
+
+
$(eval $(call BuildImage))
--- /dev/null
+#!/usr/bin/env bash
+
+set -x
+[ $# -eq 3 ] || {
+ echo "SYNTAX: $0 <file> <rootfs image> <rootfs size>"
+ exit 1
+}
+
+OUTPUT="$1"
+ROOTFS="$2"
+ROOTFSSIZE="$3"
+
+head=4
+sect=63
+
+set `ptgen -o $OUTPUT -h $head -s $sect -l 4096 -t 83 -p ${ROOTFSSIZE}M`
+
+ROOTFSOFFSET="$(($1 / 512))"
+ROOTFSSIZE="$(($2 / 512))"
+
+dd bs=512 if="$ROOTFS" of="$OUTPUT" seek="$ROOTFSOFFSET" conv=notrunc
+
+