diff options
Diffstat (limited to 'meta-xilinx-core/classes/image-types-xilinx-qemu.bbclass')
| -rw-r--r-- | meta-xilinx-core/classes/image-types-xilinx-qemu.bbclass | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/meta-xilinx-core/classes/image-types-xilinx-qemu.bbclass b/meta-xilinx-core/classes/image-types-xilinx-qemu.bbclass new file mode 100644 index 00000000..b4de5ee1 --- /dev/null +++ b/meta-xilinx-core/classes/image-types-xilinx-qemu.bbclass @@ -0,0 +1,59 @@ +# Define the 'qemu-sd' conversion type +# +# This conversion type pads any image to the 512K boundary to ensure that the +# image file can be used directly with QEMU's SD emulation which requires the +# block device to match that of valid SD card sizes (which are multiples of +# 512K). + +CONVERSIONTYPES:append = " qemu-sd qemu-sd-fatimg" +CONVERSION_CMD:qemu-sd () { + cp ${IMGDEPLOYDIR}/${IMAGE_NAME}.${type} ${IMGDEPLOYDIR}/${IMAGE_NAME}.${type}.qemu-sd + # Get the wic.qemu-sd file size + file_size=`stat -c '%s' ${IMGDEPLOYDIR}/${IMAGE_NAME}.${type}.qemu-sd` + powerof2=1 + file_size=${file_size%.*} + # Get the next power of 2 value for the image size value + while [ ${powerof2} -lt ${file_size} ]; do + powerof2=$(expr $powerof2 \* 2) + done + # Resize the image using qemu-img + qemu-img resize -f raw ${IMGDEPLOYDIR}/${IMAGE_NAME}.${type}.qemu-sd ${powerof2} +} + +BOOT_VOLUME_ID ?= "BOOT" +BOOT_SPACE ?= "1047552" +IMAGE_ALIGNMENT ?= "1024" + +# Create SD image in case of INITRAMFS_IMAGE set due to circular dependencies. +# This creates FAT partitioned SD image containing boot.bin,boot.scr and rootfs.cpio.gz.u-boot files. +# This is a workaround fix until we fix the circular dependencies +# Usage: IMAGE_FSTYPES:append = " cpio.gz.u-boot.qemu-sd-fatimg" +CONVERSION_CMD:qemu-sd-fatimg () { + QEMU_IMG="${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.${type}.qemu-sd-fatimg" + BOOT_SPACE_ALIGNED=$(expr ${BOOT_SPACE} + ${IMAGE_ALIGNMENT} - 1) + BOOT_SPACE_ALIGNED=$(expr ${BOOT_SPACE_ALIGNED} - ${BOOT_SPACE_ALIGNED} % ${IMAGE_ALIGNMENT}) + QEMUIMG_SIZE=$(expr ${IMAGE_ALIGNMENT} + ${BOOT_SPACE_ALIGNED}) + dd if=/dev/zero of=${QEMU_IMG} bs=1024 count=0 seek=${QEMUIMG_SIZE} + parted -s ${QEMU_IMG} mklabel msdos + parted -s ${QEMU_IMG} unit KiB mkpart primary fat32 ${IMAGE_ALIGNMENT} $(expr ${BOOT_SPACE_ALIGNED} \+ ${IMAGE_ALIGNMENT} \- 1) + parted -s ${QEMU_IMG} set 1 boot on + parted ${QEMU_IMG} print + BOOT_BLOCKS=$(LC_ALL=C parted -s ${QEMU_IMG} unit b print | awk '/ 1 / { print substr($4, 1, length($4 -1)) / 512 /2 }') + rm -f ${WORKDIR}/${BOOT_VOLUME_ID}.img + mkfs.vfat -n "${BOOT_VOLUME_ID}" -S 512 -C ${WORKDIR}/${BOOT_VOLUME_ID}.img $BOOT_BLOCKS + if [ -e ${DEPLOY_DIR_IMAGE}/boot.bin ]; then + mcopy -i ${WORKDIR}/${BOOT_VOLUME_ID}.img -s ${DEPLOY_DIR_IMAGE}/boot.bin ::/ + fi + if [ -e ${DEPLOY_DIR_IMAGE}/boot.scr ]; then + mcopy -i ${WORKDIR}/${BOOT_VOLUME_ID}.img -s ${DEPLOY_DIR_IMAGE}/boot.scr ::/ + fi + if [ ${INITRAMFS_IMAGE} = ${IMAGE_BASENAME} ] && [ x"${INITRAMFS_IMAGE_BUNDLE}" != "x1" ]; then + mcopy -i ${WORKDIR}/${BOOT_VOLUME_ID}.img -s ${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.${type} ::rootfs.cpio.gz.u-boot + fi + dd if=${WORKDIR}/${BOOT_VOLUME_ID}.img of=${QEMU_IMG} conv=notrunc seek=1 bs=$(expr ${IMAGE_ALIGNMENT} \* 1024) +} + +CONVERSION_DEPENDS_qemu-sd = "qemu-system-native" +CONVERSION_DEPENDS_qemu-sd-fatimg = "mtools-native:do_populate_sysroot \ + dosfstools-native:do_populate_sysroot \ + parted-native:do_populate_sysroot" |