Hi Simon, On Tue, Jun 20, 2023 at 4:23 PM Simon Glass <s...@chromium.org> wrote: > > This series adds a simple bootmeth for ChromiumOS on x86. It uses zimage > to boot the kernel. > > Full verified boot is not included at this stage - that is still a > separate chunk of code to be brought into standard boot at some point. > For now it just obtains the kernel and command line and boots. This should > be enough to boot Chrome OS from coreboot on all x86 machines in > circulation, although only Brya (2022) and Coral (2017) have been tested. > > ChromiumOS needs quite large kernel parameters, to hold the DM verity > settings and other pieces. This makes it painful to modify just one > parameter, since the whole cmdline must be adjusted at once. To cope with > this, a new cmdline-editing feature is provided: the 'bootflow cmdline' > command allows individual parameters to be added, modified and deleted. > > To deal with enabling debug console, a variant supports setting 'earlycon' > and 'console' automatically. The 'bdinfo' command is updated to show > serial-port info also. > > Booting the zimage is now done programmatically, rather than running > through the command-line interface. Minor tweaks are made to the coreboot > and coral config so that booting works correctly. > > Note that the ACPI tables are not updated with the required firmware > information in this series, so a warning is shown on boot. This will be > addressed later since it requires quite a bit of configuration. > > Finally, this fixes a recently introduced bug in unit testing and updates > the algorithm to avoid running flat-tree tests which don't actually use > the devicetree. > > Changes in v2: > - Add a comment that this is not a full revert > - Update host_bootdev.c too > - Correct 'it not known' typo > - Explain why the setup information is not behind an #ifdef > - Add comment for copy_in() > - Avoid multiplication on a boolean > - Add a comment as to why @len is needed > - Show error messages when something goes wrong > - Add new patch to create a little more room for U-Boot on qemu-x86_64 > - Add new patch to switch x86 qemu to standard boot > - Drop mention of NVMe support
v2 does not apply on top of u-boot/master, please rebase. Thanks! Regards, Bin
