Consolidate flash image generation
Before c7248eb11c and 794bd3d4ac, flash image generation was split
between obmc-phosphor-image_types_uboot.bbclass and
image-overlay.bbclass. This was because generate_flash() relied on
calling oe_mkimage() which was also defined in
obmc-phosphor-image_types_uboot.bbclass. With that dependency removed,
all of the flash image generation can now be consolidated into
image-overlay.bbclass. This location makes more sense as the .uboot
image type is for generating U-Boot legacy ramdisks while the overlay
image type is specifically for OpenBMC and its flash layout.
obmc-phopshor-image_types_uboot.bbclass is now empty and has been
removed.
Change-Id: Idcf38d3ef6f419780a7c54c77f1195bf3b5f5667
Signed-off-by: Rick Altherr <raltherr@google.com>
diff --git a/meta-phosphor/classes/image-overlay.bbclass b/meta-phosphor/classes/image-overlay.bbclass
index f0c4060..520ca6e 100644
--- a/meta-phosphor/classes/image-overlay.bbclass
+++ b/meta-phosphor/classes/image-overlay.bbclass
@@ -2,6 +2,7 @@
EXCLUDE_FROM_WORLD = "1"
INITRD_IMAGE ?= "obmc-phosphor-initramfs"
+INITRD_LINK_NAME = "${INITRD_IMAGE}-${MACHINE}${INITRAMFS_FSTYPE}"
IMAGE_BASETYPE ?= "squashfs-xz"
OVERLAY_BASETYPE ?= "jffs2"
@@ -13,7 +14,90 @@
ROOTFS ?= "${DEPLOY_DIR_IMAGE}/${IMAGE_BASENAME}-${MACHINE}.${IMAGE_BASETYPE}"
+FLASH_IMAGE_NAME ?= "flash-${MACHINE}-${DATETIME}"
+FLASH_IMAGE_NAME[vardepsexclude] = "DATETIME"
+FLASH_IMAGE_LINK ?= "flash-${MACHINE}"
+
+FLASH_KERNEL_IMAGETYPE ?= "fitImage"
+
+FLASH_UBOOT_OFFSET ?= "0"
+FLASH_KERNEL_OFFSET ?= "512"
+FLASH_INITRD_OFFSET ?= "3072"
+FLASH_ROFS_OFFSET ?= "4864"
+FLASH_RWFS_OFFSET ?= "28672"
+RWFS_SIZE ?= "4096"
+
+# Allow rwfs mkfs configuration through OVERLAY_MKFS_OPTS and OVERRIDES. However,
+# avoid setting 'ext4' or 'jffs2' in OVERRIDES as such raw filesystem types are
+# reserved for the primary image (and setting them currently breaks the build).
+# Instead, prefix the overlay override value with 'rwfs-' to avoid collisions.
+DISTROOVERRIDES .= ":rwfs-${OVERLAY_BASETYPE}"
+
+OVERLAY_MKFS_OPTS_rwfs-ext4 = "-b 4096 -F -O^huge_file"
+
+# $(( ${FLASH_SIZE} - ${FLASH_RWFS_OFFSET} ))
+
+mk_nor_image() {
+ image_dst="$1"
+ image_size_kb=$2
+ dd if=/dev/zero bs=1k count=${image_size_kb} \
+ | tr '\000' '\377' > ${image_dst}
+}
+
+do_generate_flash() {
+ INITRD_CTYPE=${INITRAMFS_CTYPE}
+ ddir="${DEPLOY_DIR_IMAGE}"
+ kernel="${FLASH_KERNEL_IMAGETYPE}"
+ uboot="u-boot.${UBOOT_SUFFIX}"
+ uinitrd="${INITRD_LINK_NAME}.cpio.${INITRD_CTYPE}.u-boot"
+ rootfs="${IMAGE_LINK_NAME}.${IMAGE_BASETYPE}"
+ rwfs="rwfs.${OVERLAY_BASETYPE}"
+
+ if [ ! -f $ddir/$kernel ]; then
+ bbfatal "Kernel file ${ddir}/${kernel} does not exist"
+ fi
+ if [ ! -f $ddir/$uboot ]; then
+ bbfatal "U-boot file ${ddir}/${uboot} does not exist"
+ fi
+ if [ ! -f $ddir/$uinitrd ]; then
+ bbfatal "uinitrd file ${ddir}/${uinitrd} does not exist"
+ fi
+ if [ ! -f $ddir/$rootfs ]; then
+ bbfatal "Rootfs file ${ddir}/${rootfs} does not exist"
+ fi
+
+ mk_nor_image ${ddir}/${rwfs} ${RWFS_SIZE}
+ if [ "${OVERLAY_BASETYPE}" != jffs2 ]; then
+ mkfs.${OVERLAY_BASETYPE} ${OVERLAY_MKFS_OPTS} ${ddir}/${rwfs} || \
+ bbfatal "mkfs rwfs"
+ fi
+
+ dst="${ddir}/${FLASH_IMAGE_NAME}"
+ rm -rf $dst
+ mk_nor_image ${dst} ${FLASH_SIZE}
+ dd if=${ddir}/${uboot} of=${dst} bs=1k conv=notrunc seek=${FLASH_UBOOT_OFFSET}
+ dd if=${ddir}/${kernel} of=${dst} bs=1k conv=notrunc seek=${FLASH_KERNEL_OFFSET}
+ dd if=${ddir}/${uinitrd} of=${dst} bs=1k conv=notrunc seek=${FLASH_INITRD_OFFSET}
+ dd if=${ddir}/${rootfs} of=${dst} bs=1k conv=notrunc seek=${FLASH_ROFS_OFFSET}
+ dd if=${ddir}/${rwfs} of=${dst} bs=1k conv=notrunc seek=${FLASH_RWFS_OFFSET}
+ dstlink="${ddir}/${FLASH_IMAGE_LINK}"
+ rm -rf $dstlink
+ ln -sf ${FLASH_IMAGE_NAME} $dstlink
+
+ ln -sf ${FLASH_IMAGE_NAME} ${ddir}/image-bmc
+ ln -sf ${uboot} ${ddir}/image-u-boot
+ ln -sf ${kernel} ${ddir}/image-kernel
+ ln -sf ${uinitrd} ${ddir}/image-initramfs
+ ln -sf ${rootfs} ${ddir}/image-rofs
+ ln -sf ${rwfs} ${ddir}/image-rwfs
+
+ tar -h -cvf ${ddir}/${MACHINE}-${DATETIME}.all.tar -C ${ddir} image-bmc
+ tar -h -cvf ${ddir}/${MACHINE}-${DATETIME}.tar -C ${ddir} image-u-boot image-kernel image-initramfs image-rofs image-rwfs
+}
+do_generate_flash[vardepsexclude] = "DATETIME"
+
do_generate_flash[depends] += "${INITRD_IMAGE}:do_image_complete"
do_generate_flash[depends] += "${PN}:do_image_complete"
+do_generate_flash[depends] += "u-boot:do_populate_sysroot"
addtask generate_flash before do_build