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Re: [Qemu-devel] [RFC] Cortex-M different revisions
From: |
Liviu Ionescu |
Subject: |
Re: [Qemu-devel] [RFC] Cortex-M different revisions |
Date: |
Mon, 22 Jun 2015 01:12:56 +0300 |
> 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