Re: [loongson-PATCH-v3 17/25] add a machtype kernel command line argument

[Arnaud Patard <apatard@mandriva.com>]

wuzhangjin@gmail.com writes:

Hi,

> From: Wu Zhangjin <wuzj@lemote.com>
>
> the difference between yeeloong-7inch and yeeloong-8.9inch is very
> small, only including the screen size and shutdown logic. so, it's very
> important to share the same kernel image file between them instead of
> adding some new kernel config options. benefit from this, the
> distribution developers only have a need to compile the kernel one time.
>
> to share the same kernel image file between yeelooong-7inch and
> yeeloong-8.9inch, there is a need to add a kernel command line, here I
> name is machtype, it works like this:
>
>       machtype=lemote-yeeloong-2f-7inch
>             company - product - cpu revision - size

I'm curious. Why can't you use the boot monitor to pass the right
machine type instead ? iirc, you're using pmon and pmon has a variable
called "systype". If the systype variable is not designed for that, I'll
be happy to know its use :)


Arnaud