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authorJohn Crispin <john@openwrt.org>2015-09-14 20:10:04 +0000
committerJohn Crispin <john@openwrt.org>2015-09-14 20:10:04 +0000
commitf582a93a6ae52c1dd5595f6add425f570f2ca667 (patch)
treecad9b2cf0511d6152a496008d6e4327186ad1242
parentedb5ec3f34bca0a674ff076f3573be86b67942e6 (diff)
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realview: create sd card image for qemu
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
-rw-r--r--target/linux/realview/image/Makefile9
-rwxr-xr-xtarget/linux/realview/image/gen_realview_sdcard_img.sh23
2 files changed, 32 insertions, 0 deletions
diff --git a/target/linux/realview/image/Makefile b/target/linux/realview/image/Makefile
index 28db6f330c..ad7aa6951c 100644
--- a/target/linux/realview/image/Makefile
+++ b/target/linux/realview/image/Makefile
@@ -21,7 +21,16 @@ endef
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))
diff --git a/target/linux/realview/image/gen_realview_sdcard_img.sh b/target/linux/realview/image/gen_realview_sdcard_img.sh
new file mode 100755
index 0000000000..4619defd73
--- /dev/null
+++ b/target/linux/realview/image/gen_realview_sdcard_img.sh
@@ -0,0 +1,23 @@
+#!/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
+
+