After gotten bit more familiar with OpenWrt, I found less intrusive method to implement upgrading of bootloader, instead of rewriting image generation code like in my previous attempt [1]. It had some value in itself, so if anyone will request it, I'll respin these patches as separate series in near future.
To expand a bit the explanation "Why this series?", please consult [2] and the conversation in that letter. 1. https://patchwork.ozlabs.org/cover/1024165 2. https://patchwork.ozlabs.org/cover/1000625 Changes in v3: rebase on top of master Changes in v2: x86: add bootloader upgrade on sysupgrade: move bootloader upgrade to function as suggested by Petr ??tetiar, extend commit message x86: add preinit hook for bootloader upgrade rewrite commit message Tomasz Maciej Nowak (3): x86: image: cleanup before creating image x86: add bootloader upgrade on sysupgrade x86: add preinit hook for bootloader upgrade package/boot/grub2/Makefile | 5 ++++ .../lib/preinit/81_upgrade_bootloader | 19 ++++++++++++++ .../x86/base-files/lib/upgrade/platform.sh | 25 +++++++++++++++++++ target/linux/x86/image/Makefile | 9 ++++--- 4 files changed, 55 insertions(+), 3 deletions(-) create mode 100644 target/linux/x86/base-files/lib/preinit/81_upgrade_bootloader -- 2.24.1
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