From: dave.martin@linaro.org (Dave Martin)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 06/11] ARM: cortex-a5: add HWCAP_VFPv4D16 to proc info structure
Date: Wed, 8 Jun 2011 10:05:01 +0100 [thread overview]
Message-ID: <20110608090501.GA3595@arm.com> (raw)
In-Reply-To: <20110607162204.GC12639@e102144-lin.cambridge.arm.com>
On Tue, Jun 07, 2011 at 05:22:04PM +0100, Will Deacon wrote:
> On Tue, Jun 07, 2011 at 05:17:36PM +0100, Dave Martin wrote:
> > On Mon, Jun 06, 2011 at 05:55:50PM +0100, Will Deacon wrote:
> > > The Cortex-A5 implements VFPv4D16, so add this to the hwcaps for this
> > > processor.
> > >
> > > Signed-off-by: Will Deacon <will.deacon@arm.com>
> > > ---
> > > arch/arm/mm/proc-v7.S | 2 +-
> > > 1 files changed, 1 insertions(+), 1 deletions(-)
> > >
> > > diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
> > > index b22d98d..8eba506 100644
> > > --- a/arch/arm/mm/proc-v7.S
> > > +++ b/arch/arm/mm/proc-v7.S
> > > @@ -466,7 +466,7 @@ cpu_elf_name:
> > > __v7_ca5mp_proc_info:
> > > .long 0x410fc050
> > > .long 0xff0ffff0
> > > - __v7_proc __v7_ca5mp_setup
> > > + __v7_proc __v7_ca5mp_setup, HWCAP_VFPv4D16
> >
> > Is VFPv4 a superset of VFPv3? If so, should we also include
> > HWCAP_VFPv3D16 (and what about HWCAP_VFP)?
> >
>
> Actually, it looks like this shouldn't be declared statically at all, since the
> kernel have not have VFP support compiled in. Rather, the vfp code will detect
> the capability and adjust elf_hwcap at runtime.
Hah, yes, quite right. My bad.
---Dave
next prev parent reply other threads:[~2011-06-08 9:05 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-06 16:55 [PATCH 00/11] Core support for Cortex-A5 and Cortex-A15 Will Deacon
2011-06-06 16:55 ` [PATCH 01/11] arm: Convert v7 proc infos into a common macro Will Deacon
2011-06-06 16:55 ` [PATCH 02/11] arm: Add Cortex A5 proc info Will Deacon
2011-06-06 16:55 ` [PATCH 03/11] ARM: hwcaps: use shifts instead of hardcoded constants Will Deacon
2011-06-06 16:55 ` [PATCH 04/11] ARM: hwcaps: add new HWCAP defines for ARMv7-A Will Deacon
2011-06-06 16:55 ` [PATCH 05/11] ARM: proc: reorder macro parameters for __v7_proc macro Will Deacon
2011-06-06 16:55 ` [PATCH 06/11] ARM: cortex-a5: add HWCAP_VFPv4D16 to proc info structure Will Deacon
2011-06-07 16:17 ` Dave Martin
2011-06-07 16:22 ` Will Deacon
2011-06-08 9:05 ` Dave Martin [this message]
2011-06-08 9:24 ` Will Deacon
2011-06-06 16:55 ` [PATCH 07/11] ARM: proc: add proc info for Cortex-A15MP using classic page tables Will Deacon
2011-06-07 16:18 ` Dave Martin
2011-06-06 16:55 ` [PATCH 08/11] ARM: perf: remove confusing comment from v7 perf events backend Will Deacon
2011-06-06 16:55 ` [PATCH 09/11] ARM: perf: add PMUv2 common event definitions Will Deacon
2011-06-07 7:18 ` Jean Pihet
2011-06-07 8:51 ` Will Deacon
2011-06-06 16:55 ` [PATCH 10/11] ARM: perf: add support for the Cortex-A5 PMU Will Deacon
2011-06-06 16:55 ` [PATCH 11/11] ARM: perf: add support for the Cortex-A15 PMU Will Deacon
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