Re: [linux-sh:01498] Re: [linuxsh-dev] Re: linux-2.4.1 kernel compilation errors

[Jaswinder S. <jas...@ya...>]

Dear Mitch and others ,

Thanks for your reply.

what changes i have to made in kernel so that i can
run kernel from Area 0 , means i keep my kernel in ROM
and i execute my kernel from ROM .

Thanks ,

Best Regards ,

Jaswinder.

--- Mitch Davis <md...@po...> wrote:
> Jaswinder Singh wrote:
> > 
> > > Mitch Davis wrote:
> > > And you MUST use some form of bootloader - it's
> not
> > > possible to
> > > jump directly to the kernel start after powerup.
> > >
> > 
> > Can you please explain me why it is *not* possible
> to
> > jump directly to the kernel start after powerup.
> 
> When the SuperH first boots, the only memory area
> which
> it can access is area 0, which should contain ROM. 
> The areas
> which contain RAM will not be available until the
> BSC settings
> are programmed.  So a direct jump to the kernel
> would fail
> because there would be no available RAM.
> 
> It's the job of the bootloader (no matter how small)
> to
> program the BSC.
> 
> Regards,
> 
> Mitch.
> --
> mailto:mj...@al...
> mailto:md...@po...


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