On 07.08.20 05:06, peng....@nxp.com wrote: > From: Peng Fan <peng....@nxp.com> > > This patchset is to support boot jailhouse before Linux. > The previous RFC patchset: > https://groups.google.com/g/jailhouse-dev/c/IZEFz-e2lh4/m/BBmGI_spIQAJ > > Patch 1~6 is to create an new folder libbaremetal to hold > files that could shared between inmates and new bootloader. > > Patch 9 is the central part to boot jailhouse with a baremetal > bootloader, which only support ARM64 + GIC_V3 now. It will use > psci to power up secondary cores, do GIC_V3 dist initialization, > Then kick inmate cell. > > Images/cells loading is done by U-Boot bootm command to boot a fit image. > > Patch 10 is to support using jailhouse userspace tool even boot jailhouse > before linux, just do as "insmod jailhouse.ko early_loader=1", then > it will bypass fw loading and etc, but setup information for linux usage. >
I'm missing the big picture description here: - how is the memory structure that the boot loader needs to set up? - how is the handover between loader and root linux? - how are things configured? >From a first glance at the code, it seems a lot of things are still hard-coded, likely imx8-specific. That may mean we need to work on the user story further. Also, a qemu-arm64 target would be good. Jan -- Siemens AG, Corporate Technology, CT RDA IOT SES-DE Corporate Competence Center Embedded Linux -- You received this message because you are subscribed to the Google Groups "Jailhouse" group. To unsubscribe from this group and stop receiving emails from it, send an email to jailhouse-dev+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/jailhouse-dev/891d13c9-6845-ef65-36db-4327d6736361%40siemens.com.
