Re: [meta-ti][master][PATCH v2] ti-core-initramfs: Shrink size of initramfs

[Ryan Eatmon <reatmon@ti.com>]

Yes.  Please send a patch.


On 2/3/2026 9:35 AM, Denys Dmytriyenko wrote:
> Any thoughts or commentns on this? Should I send a formal patch?
> 
> 
> On Tue, Jan 20, 2026 at 07:14:30PM -0500, Denys Dmytriyenko wrote:
>> So, if systemd is required and to respect other VIRTUAL_RUNTIME vars, need to
>> double the initramfs size to 128 MB.
>>
>> Yes, maybe systemd recipe in OE-Core needs more granular packaging for only
>> pulling minimal dependencies in order to get even smaller...
>>
>> =========================
>> diff --git a/meta-ti-bsp/recipes-ti/initramfs/packagegroup-ti-core-initramfs.bb b/meta-ti-bsp/recipes-ti/initramfs/packagegroup-ti-core-initramfs.bb
>> index c759808c..5ed9391e 100644
>> --- a/meta-ti-bsp/recipes-ti/initramfs/packagegroup-ti-core-initramfs.bb
>> +++ b/meta-ti-bsp/recipes-ti/initramfs/packagegroup-ti-core-initramfs.bb
>> @@ -11,6 +11,12 @@ TI_INITRAMFS_KERNEL_MODULES ?= ""
>>   RDEPENDS:${PN} += "\
>>       ${TI_INITRAMFS_KERNEL_MODULES} \
>>       ${VIRTUAL-RUNTIME_base-utils} \
>> +    ${VIRTUAL-RUNTIME_login_manager} \
>> +    ${VIRTUAL-RUNTIME_init_manager} \
>> +    ${VIRTUAL-RUNTIME_dev_manager} \
>> +    ${VIRTUAL-RUNTIME_update-alternatives} \
>> +    netbase \
>> +    base-files \
>>       base-passwd \
>>       initramfs-framework-base \
>>       initramfs-module-udev \
>> diff --git a/meta-ti-bsp/recipes-ti/initramfs/ti-core-initramfs.bb b/meta-ti-bsp/recipes-ti/initramfs/ti-core-initramfs.bb
>> index 223fef7a..ddf4e5b4 100644
>> --- a/meta-ti-bsp/recipes-ti/initramfs/ti-core-initramfs.bb
>> +++ b/meta-ti-bsp/recipes-ti/initramfs/ti-core-initramfs.bb
>> @@ -9,7 +9,7 @@ LICENSE = "MIT"
>>   
>>   INITRAMFS_FSTYPES = "cpio cpio.xz"
>>   
>> -INITRAMFS_MAXSIZE = "65536"
>> +INITRAMFS_MAXSIZE = "131072"
>>   
>>   IMAGE_NAME = "ti-core-initramfs"
>> =========================
>>   
>>
>>
>> On Tue, Jan 20, 2026 at 03:52:56PM -0500, Denys Dmytriyenko wrote:
>>> I'm not sure this is a fully correct change for the ti-core-initramfs.
>>> It might be fine for the tisdk-tiny-initramfs though.
>>>
>>> If I recall, the requirement was for this initramfs to use systemd as
>>> init manager...
>>>
>>>
>>> On Fri, Jan 09, 2026 at 12:27:37PM -0600, Ryan Eatmon via lists.yoctoproject.org wrote:
>>>> License-Update: Moving away from packagegroup-core-boot.bb removed the
>>>> LICENSE setting.  Just adding it back in.
>>>>
>>>> It looks like we were modelling this initramfs off of the wrong example
>>>> from poky.  This setup produces a much smaller initramfs.
>>>>
>>>> Signed-off-by: Ryan Eatmon <reatmon@ti.com>
>>>> ---
>>>> v2: Add missing License-Udate.
>>>>
>>>>   .../packagegroup-ti-core-initramfs.bb         | 12 ++++---
>>>>   .../recipes-ti/initramfs/ti-core-initramfs.bb | 33 +++++++++----------
>>>>   2 files changed, 22 insertions(+), 23 deletions(-)
>>>>
>>>> diff --git a/meta-ti-bsp/recipes-ti/initramfs/packagegroup-ti-core-initramfs.bb b/meta-ti-bsp/recipes-ti/initramfs/packagegroup-ti-core-initramfs.bb
>>>> index 86b69aff..c759808c 100644
>>>> --- a/meta-ti-bsp/recipes-ti/initramfs/packagegroup-ti-core-initramfs.bb
>>>> +++ b/meta-ti-bsp/recipes-ti/initramfs/packagegroup-ti-core-initramfs.bb
>>>> @@ -1,16 +1,18 @@
>>>>   SUMMARY = "Minimal initramfs for boot requirements"
>>>>   
>>>> -require recipes-core/packagegroups/packagegroup-core-boot.bb
>>>> +LICENSE = "MIT"
>>>> +
>>>> +PACKAGE_ARCH = "${MACHINE_ARCH}"
>>>> +
>>>> +inherit packagegroup
>>>>   
>>>>   TI_INITRAMFS_KERNEL_MODULES ?= ""
>>>>   
>>>>   RDEPENDS:${PN} += "\
>>>>       ${TI_INITRAMFS_KERNEL_MODULES} \
>>>> +    ${VIRTUAL-RUNTIME_base-utils} \
>>>> +    base-passwd \
>>>>       initramfs-framework-base \
>>>>       initramfs-module-udev \
>>>>       initramfs-module-nfsrootfs \
>>>> -    nfs-utils \
>>>> -    nfs-utils-client \
>>>>   "
>>>> -
>>>> -RDEPENDS:${PN}:remove = "grub-efi kernel"
>>>> diff --git a/meta-ti-bsp/recipes-ti/initramfs/ti-core-initramfs.bb b/meta-ti-bsp/recipes-ti/initramfs/ti-core-initramfs.bb
>>>> index 1a102d82..223fef7a 100644
>>>> --- a/meta-ti-bsp/recipes-ti/initramfs/ti-core-initramfs.bb
>>>> +++ b/meta-ti-bsp/recipes-ti/initramfs/ti-core-initramfs.bb
>>>> @@ -7,29 +7,26 @@ DESCRIPTION = "Image meant to probe boot essential modules\
>>>>   
>>>>   LICENSE = "MIT"
>>>>   
>>>> -inherit core-image
>>>> -
>>>> -IMAGE_NAME = "ti-core-initramfs"
>>>> -
>>>> -IMAGE_NAME_SUFFIX = ""
>>>> +INITRAMFS_FSTYPES = "cpio cpio.xz"
>>>>   
>>>> -IMAGE_FEATURES:remove = "package-management"
>>>> +INITRAMFS_MAXSIZE = "65536"
>>>>   
>>>> -INITRAMFS_FSTYPES = "cpio cpio.xz"
>>>> +IMAGE_NAME = "ti-core-initramfs"
>>>>   
>>>> -IMAGE_FSTYPES = "${INITRAMFS_FSTYPES}"
>>>> +export IMAGE_BASENAME = "${IMAGE_NAME}"
>>>>   
>>>>   PACKAGE_INSTALL = "packagegroup-ti-core-initramfs"
>>>>   
>>>> -export IMAGE_BASENAME = "${IMAGE_NAME}"
>>>> +# Ensure the initramfs only contains the bare minimum
>>>> +IMAGE_FEATURES = ""
>>>> +IMAGE_LINGUAS = ""
>>>>   
>>>> -IMAGE_OVERHEAD_FACTOR = "1.1"
>>>> +# on the kernel image.
>>>> +PACKAGE_EXCLUDE = "kernel-image-*"
>>>> +
>>>> +IMAGE_FSTYPES = "${INITRAMFS_FSTYPES}"
>>>> +IMAGE_NAME_SUFFIX ?= ""
>>>> +IMAGE_ROOTFS_SIZE = "8192"
>>>> +IMAGE_ROOTFS_EXTRA_SPACE = "0"
>>>>   
>>>> -# To further reduce the size of the rootfs, remove the /boot directory from
>>>> -# the final image this is usually done by adding RDEPENDS_kernel-base = ""
>>>> -# in the configuration file. In our case we can't use this method. Instead we
>>>> -# just wipe out the content of "/boot" before creating the image.
>>>> -ROOTFS_POSTPROCESS_COMMAND += "empty_boot_dir; "
>>>> -empty_boot_dir () {
>>>> -	rm -rf ${IMAGE_ROOTFS}/boot/*
>>>> -}
>>>> +inherit image
>>>> -- 
>>>> 2.43.0
>>>>
>>>>
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-- 
Ryan Eatmon                reatmon@ti.com
-----------------------------------------
Texas Instruments, Inc.  -  LCPD  -  MGTS