Re: [Qemu-devel] [PULL 09/22] target/arm: Implement ARMv8.5-CondM

[Alex Bennée]

Richard Henderson <address@hidden> writes:

> On 8/9/19 2:53 AM, Peter Maydell wrote:
>> Hi -- it's just been pointed out to me that if our 'max' CPU
>> supports v8.5-CondM then we ought to be setting the HWCAP2_FLAGM2
>> bit in the hwcaps for linux-user mode. (Maybe we implemented this
>> before the kernel defined the hwcap bit?)
>
> Yep.  We added CondM in March and this hwcap bit was added in June.
>
> I keep thinking that they'll stop adding hwcap bits that can now just as 
> easily
> be "read" (trap and emulated) from id registers.  They've filled up HWCAP, and
> only have 23 left in HWCAP2.

It's impressive on our modern hardware that bits are getting so scarce
;-)

We haven't yet started on filling up cs_base for our own flags but where
does it all end?

--
Alex Bennée