[PATCH] riscv: Support riscv64 image type

[Simon Glass]

Hi Rick,

On Wed, 19 Apr 2023 at 00:56, Rick Chen <rickchen36 at gmail.com> wrote:
>
> Hi Simon,
>
> > Hi Rick,
> >
> > On Mon, 10 Apr 2023 at 01:26, Rick Chen <rick at andestech.com> wrote:
> > >
> > > Allow U-Boot to load 32 or 64 bits RISC-V Kernel Image
> > > distinguishly. It helps to avoid someone maybe make a mistake
> > > to run 32-bit U-Boot to load 64-bit kernel.
> > >
> > > Signed-off-by: Rick Chen <rick at andestech.com>
> > >
> > > ---
> > > The patchset is based on Simon's patch:
> > > riscv: Add a 64-bit image type
> > > ---
> > > ---
> > >  arch/riscv/include/asm/u-boot.h | 4 ++++
> > >  cmd/booti.c                     | 2 +-
> > >  2 files changed, 5 insertions(+), 1 deletion(-)
> >
> > Reviewed-by: Simon Glass <sjg at chromium.org>
> >
> > I don't know much about RISC-V, but I assume U-Boot is able to do this
> > successfully? Does it not need to switch modes first?
>
> No, it is not need to  switch modes as far as I know.
> Here only provide a check mechanism just like arm to see if loader and
> OS are match
>
> But This patch is for bootm flow.
> Maybe I still need to check if it is necessary to prepare a patch for
> binman flow ?
> /arch/riscv/dts/binman.dtsi
> arch = "riscv";
>
> maybe provide another binman64.dtsi for arch="riscv64"

Yes I think that is needed too. Are you going to update this patch, or
send a second one?

Regards,
Simon