Re: [Qemu-devel] [RFC] Cortex-M different revisions

[Liviu Ionescu]

> On 21 Jun 2015, at 23:58, Peter Maydell <address@hidden> wrote:
> 
> There's lots of code that will run on QEMU but break on
> real hardware.

no doubt about it.

however, this shouldn't be the rule, if the efforts are reasonable, I see no 
reasons for not improving the emulation quality and make code that breaks on 
real hardware break on qemu too.

>> I cannot confirm (because it was quite a while ago when I had to
>> deal with these issues) that it is possible to write code that works
>> an all versions without checking the actual version and acting
>> differently.
> 
> It should be -- just write to the architecture's specifications,
> not to the variations between specific revisions.

I'll investigate when these details will become relevant, probably when my 
branch will be ready for running some RTOS tests. 

regards,

Liviu