From: Segher Boessenkool <segher@kernel.crashing.org>
To: Chris Smart <chris@distroguy.com>
Cc: linuxppc-dev@lists.ozlabs.org
Subject: Re: [Patch v2 1/2] powerpc: Send SIGBUS on unaligned copy and paste
Date: Thu, 16 Jun 2016 23:04:12 -0500 [thread overview]
Message-ID: <20160617040412.GC25170@gate.crashing.org> (raw)
In-Reply-To: <20160616233340.GA14449@distroguy.com>
On Fri, Jun 17, 2016 at 09:33:45AM +1000, Chris Smart wrote:
> +#define PPC_INST_COPY 0x7c00060c
> +#define PPC_INST_COPY_FIRST 0x7c20060c
> +#define PPC_INST_PASTE 0x7c00070c
> +#define PPC_INST_PASTE_LAST 0x7c20070d
That's not quite right I think.
copy is 7c00060c mask fc2007fe (or ffe007fe)
copy_first is 7c20060c mask fc2007fe
paste is 7c00070c mask fc2007fe
paste_last is 7c20070c mask fc2007fe
(this includes record form for paste; the low bit).
Segher
next prev parent reply other threads:[~2016-06-17 4:04 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-16 23:33 [Patch v2 1/2] powerpc: Send SIGBUS on unaligned copy and paste Chris Smart
2016-06-17 4:04 ` Segher Boessenkool [this message]
2016-06-21 0:39 ` Chris Smart
2016-06-17 7:20 ` Balbir Singh
2016-06-19 23:48 ` Chris Smart
2016-06-20 3:06 ` Balbir Singh
2016-07-05 14:10 ` [v2,1/2] " Michael Ellerman
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