On 06/29/2012 01:19 PM, Raymond Danks wrote:
On x86, an ELF image file may be stored as a coreboot payload.
The image file is constructed, using the mkelfimage utility,
from a kernel and an initrd.
Signed-off-by: Raymond Danks<ray.da...@se-eng.com>
---
This was originally submitted to the openembedded project:
http://patches.openembedded.org/patch/7689/
v3:
Include DEPLOY_DIR_IMAGE and KERNEL_IMAGETYPE for location of ELF_KERNEL
meta/classes/image_types.bbclass | 18 +++++++++++++++++-
1 files changed, 17 insertions(+), 1 deletions(-)
diff --git a/meta/classes/image_types.bbclass b/meta/classes/image_types.bbclass
index 55f122e..64fa14a 100644
--- a/meta/classes/image_types.bbclass
+++ b/meta/classes/image_types.bbclass
@@ -7,6 +7,12 @@ def get_imagecmds(d):
ctypes = d.getVar('COMPRESSIONTYPES', True).split()
cimages = {}
+ if "elf" in alltypes:
+ alltypes.remove("elf")
+ if "cpio.gz" not in alltypes:
+ alltypes.append("cpio.gz")
+ alltypes.append("elf")
+
# Filter out all the compressed images from types
for type in alltypes:
basetype = None
@@ -173,6 +179,14 @@ IMAGE_CMD_cpio () {
cd ${IMAGE_ROOTFS}&& (find . | cpio -o -H
newc>${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio)
}
+ELF_KERNEL ?= ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}
I guess this was not tested very well, as this failed right out of the gate.
Please let me know what kind of testing you have done.
Thanks
Sau!
+ELF_APPEND ?= "ramdisk_size=32768 root=/dev/ram0 rw console="
+
+IMAGE_CMD_elf () {
+ test -f ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.elf&& rm -f
${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.elf
+ mkelfImage --kernel=${ELF_KERNEL}
--initrd=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio.gz
--output=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.elf --append='${ELF_APPEND}'
${EXTRA_IMAGECMD}
+}
+
UBI_VOLNAME ?= "${MACHINE}-rootfs"
IMAGE_CMD_ubi () {
@@ -199,6 +213,7 @@ EXTRA_IMAGECMD_ext2 ?= "-i 8192"
EXTRA_IMAGECMD_ext3 ?= "-i 8192"
EXTRA_IMAGECMD_ext4 ?= "-i 8192"
EXTRA_IMAGECMD_btrfs ?= ""
+EXTRA_IMAGECMD_elf ?= ""
IMAGE_DEPENDS = ""
IMAGE_DEPENDS_jffs2 = "mtd-utils-native"
@@ -210,11 +225,12 @@ IMAGE_DEPENDS_ext4 = "genext2fs-native e2fsprogs-native"
IMAGE_DEPENDS_btrfs = "btrfs-tools-native"
IMAGE_DEPENDS_squashfs = "squashfs-tools-native"
IMAGE_DEPENDS_squashfs-lzma = "squashfs-lzma-tools-native"
+IMAGE_DEPENDS_elf = "virtual/kernel mkelfimage-native"
IMAGE_DEPENDS_ubi = "mtd-utils-native"
IMAGE_DEPENDS_ubifs = "mtd-utils-native"
# This variable is available to request which values are suitable for
IMAGE_FSTYPES
-IMAGE_TYPES = "jffs2 sum.jffs2 cramfs ext2 ext2.gz ext2.bz2 ext3 ext3.gz ext2.lzma
btrfs live squashfs squashfs-lzma ubi tar tar.gz tar.bz2 tar.xz cpio cpio.gz cpio.xz
cpio.lzma vmdk"
+IMAGE_TYPES = "jffs2 sum.jffs2 cramfs ext2 ext2.gz ext2.bz2 ext3 ext3.gz ext2.lzma
btrfs live squashfs squashfs-lzma ubi tar tar.gz tar.bz2 tar.xz cpio cpio.gz cpio.xz
cpio.lzma vmdk elf"
COMPRESSIONTYPES = "gz bz2 lzma xz"
COMPRESS_CMD_lzma = "lzma -k -f -7 ${IMAGE_NAME}.rootfs.${type}"
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