First questions

zhan han zhanhan.cn at gmail.com
Sun Mar 21 13:43:43 EDT 2010


On Mon, Mar 22, 2010 at 1:36 AM, Brian Stuart <blstuart at gmail.com> wrote:
>
>> > Yeah, that's definitely my first step.  In the past I've modified 5l to
>> > generate the format of image expected by the target platform and
>> > verified
>> For arm, maybe easier, for mips, lots work to be done i think,
>> especially in native mode.
>
> What is it about MIPS that would make it a lot more work than for ARM?
Just read inferno-os/os/boot/README.

>
>>
>> > that I could generate code that I could download and run, usually just
>> > to
>> > flash an LED.  I figure on doing the same here, with 0c/0a/0l (though
>> > maybe
>> > with the buzzer if there's no LED I can directly control).  Once I get
>> > to
>> > that point, then I'm on to the real work of porting.
>> I suggest that you can use uart0 for low level print. You just need to
>> solder the
>> uart0 pins, under the battery, to a RS232 TTL converter and run minicom.
>
> Once I get the toolchain working in a way that I understand and can control,
> then the move from LED/buzzer to textual interface is one of the first
> steps.
>
>>
>> And u-boot console could be a good start too, you can do a lot of things
>> in it.
>
> Sounds good.  Since I haven't gotten the unit yet, I haven't had a chance to
> play with it, but I'll definitely look into that.
>
> BLS
>
>
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