Hi Rich, On Wed, Oct 24, 2018 at 10:37 AM Rick Chen <rickche...@gmail.com> wrote: > > > > > The labels nmi_vector, trap_vector and handle_reset in start.S are not > > > > used for RISC-V. Remove them. > > > > > > Hi Lukas > > Agree with the above part. > > > > > While we are here, also remove the code from the beginning of start.S, > > > > which stores the contents of a2 to memory. Only registers a0 and a1 > > > > contain information from the previous boot stage. There is therefore > > > > no reason for saving a2. > > NOT agree with this part. > Saving a2 is trying to support dynamically dtb pass at runtime. >
Could you please describe in more details on what the use case is here? > You can see it in the following commit : > > commit d58717e42559189a226ea800173147399c8edef9 > Author: Rick Chen <r...@andestech.com> > Date: Thu Mar 29 10:08:33 2018 +0800 > > riscv: ae250: Support DT provided by the board at runtime > Regards, Bin _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot