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RE: [PATCH][Binutils][Arm] Backport hlt to all architectures.
- From: Tamar Christina <Tamar dot Christina at arm dot com>
- To: "nickc at redhat dot com" <nickc at redhat dot com>, "binutils at sourceware dot org" <binutils at sourceware dot org>
- Cc: nd <nd at arm dot com>, Richard Earnshaw <Richard dot Earnshaw at arm dot com>, Ramana Radhakrishnan <Ramana dot Radhakrishnan at arm dot com>
- Date: Thu, 7 Feb 2019 16:32:30 +0000
- Subject: RE: [PATCH][Binutils][Arm] Backport hlt to all architectures.
- References: <20190207154937.GA32201@arm.com> <cacc8886-f653-2f6a-774e-ef712b6a75d4@redhat.com>
Hi Nick,
>
> > The Arm Architectural Reference Manual [1] doesn't explicitly mention
> > this
>
> Is this going to change in a future update to the ARM ? If not, then I think
> that it would be worth including a comment in the sources explaining that
> whilst the support for a HLT instruction for pre v8 architectures might look
> like an error, it is in fact correct.
I've asked for a note, however I don't know how likely this is as the Arm ARM
no longer shows which architectures an instruction is available in. In the mean
time I'll add a comment in the source.
Thanks,
Tamar