[PATCH] riscv: Support riscv64 image type

Leo Liang ycliang at andestech.com
Thu Jul 27 03:39:00 CEST 2023


Hi Rick,

On Thu, Jul 27, 2023 at 09:27:31AM +0800, Rick Chen wrote:
> > 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 ?
> 

No problem!
I will send a v2 patch ASAP.

Best regards,
Leo

> Thanks.
> Rick
> 
> >
> > Regards,
> > Simon


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