Re: Initial Mini-OS port to ARM64

[Julien Grall <julien.grall@linaro.org>]

Somehow, my gmail account claimed it sent the mail with Karim CCed, but
it was not in the thread. Adding Karim back.

Thanks Lars for spotting it!

On 02/16/2014 08:44 PM, Julien Grall wrote:
> On 16/02/14 15:51, Chen Baozi wrote:
>> Hi all,
> 
> Hello Chen,
> 
>> It is much later than I used to expect. I guess it might be help
>> to publish my work, though it is still not finished (and might not
>> be finished very soon...).
>>
>> I began to try to port mini-os to ARM64 since last summer. Since
>> the 64-bit guest support is not quite well at that time, this
>> work had been stopped for a long time until two months ago.
>>
>> Though it is still at very early stage, it at least can be built,
>> setup a early page table for booting, parse the DTB passed by the
>> hypervisor, and be debugged by printk at present. So I put it
>> on github in case someone might be interested in it. Here is the
>> url: https://github.com/baozich/minios-arm64
> 
> Good job!
> 
>> Right now, there are some troubles to make GIC work properly,
>> as I didn’t consider mapping GIC’s interface in address space and
>> follows x86’s memory layout which make the kernel virtual address
>> starts at 0x0. I’ll fix it as soon as possible.
> 
> I think you should try to sync up with Karim (in CC). He has started to
> port mini-OS on arm32. Except assembly code (which should be fairly
> small) everything can be shared between the both architecture.
> 
> If I remember correctly, Karim already wrote a GIC support but without
> FDT support.
> 
>> Besides, there is still lots of work to be done. So any comments
>> or patches are welcome.
> 
> Regards,
> 


-- 
Julien Grall