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| author | John Crispin <john@openwrt.org> | 2015-09-14 20:10:04 +0000 |
|---|---|---|
| committer | John Crispin <john@openwrt.org> | 2015-09-14 20:10:04 +0000 |
| commit | f582a93a6ae52c1dd5595f6add425f570f2ca667 (patch) | |
| tree | cad9b2cf0511d6152a496008d6e4327186ad1242 | |
| parent | edb5ec3f34bca0a674ff076f3573be86b67942e6 (diff) | |
| download | mtk-20170518-f582a93a6ae52c1dd5595f6add425f570f2ca667.zip mtk-20170518-f582a93a6ae52c1dd5595f6add425f570f2ca667.tar.gz mtk-20170518-f582a93a6ae52c1dd5595f6add425f570f2ca667.tar.bz2 | |
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/Makefile | 9 | ||||
| -rwxr-xr-x | target/linux/realview/image/gen_realview_sdcard_img.sh | 23 |
2 files changed, 32 insertions, 0 deletions
diff --git a/target/linux/realview/image/Makefile b/target/linux/realview/image/Makefile index 28db6f3..ad7aa69 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 0000000..4619def --- /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 + + |