[PATCH] riscv: Support riscv64 image type

Rick Chen rickchen36 at gmail.com
Thu Jul 27 03:27:31 CEST 2023


> 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?

Hi Simon,

OK.

HI Leo,

I am a little busy on other things.Can you help to update this patch ?

Thanks.
Rick

>
> Regards,
> Simon


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