From: Rusty Russell <rusty@rustcorp.com.au>
To: Peter Maydell <peter.maydell@linaro.org>,
Will Deacon <will.deacon@arm.com>
Cc: Christoffer Dall <c.dall@virtualopensystems.com>,
Rusty Russell <rusty.russell@linaro.org>,
Marcelo Tosatti <mtosatti@redhat.com>,
"linux-arm-kernel\@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"kvm\@vger.kernel.org" <kvm@vger.kernel.org>,
"kvmarm\@lists.cs.columbia.edu" <kvmarm@lists.cs.columbia.edu>
Subject: Re: [kvmarm] [PATCH v4 09/14] KVM: ARM: Emulation framework and CP15 emulation
Date: Tue, 20 Nov 2012 12:48:55 +1030 [thread overview]
Message-ID: <87k3thow34.fsf@rustcorp.com.au> (raw)
In-Reply-To: <CAFEAcA_6DZ-rZu-hDJfKJBW7epVyuukPd042Ny1rOxuRF4hAVQ@mail.gmail.com>
Peter Maydell <peter.maydell@linaro.org> writes:
> On 19 November 2012 15:01, Will Deacon <will.deacon@arm.com> wrote:
>> On Sat, Nov 10, 2012 at 03:43:13PM +0000, Christoffer Dall wrote:
>>> +/*
>>> + * A15-specific CP15 registers.
>>> + * Important: Must be sorted ascending by CRn, CRM, Op1, Op2
>>> + */
>>> +static const struct coproc_reg a15_regs[] = {
>>> + /* MPIDR: we use VMPIDR for guest access. */
>>> + { CRn( 0), CRm( 0), Op1( 0), Op2( 5), is32,
>>> + NULL, reset_mpidr, c0_MPIDR },
>>> +
>>> + /* SCTLR: swapped by interrupt.S. */
>>> + { CRn( 1), CRm( 0), Op1( 0), Op2( 0), is32,
>>> + NULL, reset_val, c1_SCTLR, 0x00C50078 },
>>
>> Why is the SCTLR included here as an A15-specific register?
>
> Rusty might remember the exact answer, but probably because
> the SCTLR reset value is IMPDEF.
Indeed...
Cheers,
Rusty.
next prev parent reply other threads:[~2012-11-20 9:48 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-10 15:42 [PATCH v4 00/14] KVM/ARM Implementation Christoffer Dall
2012-11-10 15:42 ` [PATCH v4 01/14] ARM: Add page table and page defines needed by KVM Christoffer Dall
2012-11-19 14:14 ` Will Deacon
2012-11-29 15:57 ` Christoffer Dall
2012-11-30 11:46 ` Will Deacon
2012-11-30 15:54 ` Christoffer Dall
2012-11-10 15:42 ` [PATCH v4 02/14] ARM: Section based HYP idmap Christoffer Dall
2012-11-19 14:16 ` Will Deacon
2012-11-29 18:59 ` Christoffer Dall
2012-11-30 10:58 ` Will Deacon
2012-11-30 16:29 ` Christoffer Dall
2012-11-19 14:25 ` Rob Herring
2012-11-10 15:42 ` [PATCH v4 03/14] ARM: Factor out cpuid implementor and part number Christoffer Dall
2012-11-19 14:21 ` Will Deacon
2012-11-29 21:38 ` Christoffer Dall
2012-11-30 10:21 ` Will Deacon
2012-11-30 15:42 ` Christoffer Dall
2012-11-10 15:42 ` [PATCH v4 04/14] KVM: ARM: Initial skeleton to compile KVM support Christoffer Dall
2012-11-19 14:41 ` Will Deacon
2012-11-29 22:36 ` Christoffer Dall
2012-11-10 15:42 ` [PATCH v4 05/14] KVM: ARM: Hypervisor inititalization Christoffer Dall
2012-11-19 14:51 ` Will Deacon
2012-11-19 15:27 ` Cyril Chemparathy
2012-11-30 5:41 ` Christoffer Dall
2012-11-10 15:42 ` [PATCH v4 06/14] KVM: ARM: Memory virtualization setup Christoffer Dall
2012-11-19 14:53 ` Will Deacon
2012-11-19 15:05 ` Christoffer Dall
2012-11-10 15:42 ` [PATCH v4 07/14] KVM: ARM: Inject IRQs and FIQs from userspace Christoffer Dall
2012-11-19 14:55 ` Will Deacon
2012-11-19 15:04 ` Christoffer Dall
2012-11-19 15:26 ` Will Deacon
2012-11-19 16:09 ` Christoffer Dall
2012-11-19 16:21 ` Will Deacon
2012-11-30 6:13 ` Christoffer Dall
2012-11-10 15:43 ` [PATCH v4 08/14] KVM: ARM: World-switch implementation Christoffer Dall
2012-11-19 14:57 ` Will Deacon
2012-11-30 6:37 ` Christoffer Dall
2012-11-30 15:15 ` Will Deacon
2012-11-30 16:47 ` Christoffer Dall
2012-11-30 17:14 ` Will Deacon
2012-11-30 18:49 ` Christoffer Dall
2012-12-03 10:33 ` Marc Zyngier
2012-12-03 15:05 ` Christoffer Dall
2012-11-10 15:43 ` [PATCH v4 09/14] KVM: ARM: Emulation framework and CP15 emulation Christoffer Dall
2012-11-19 15:01 ` Will Deacon
2012-11-19 15:27 ` [kvmarm] " Peter Maydell
2012-11-20 2:18 ` Rusty Russell [this message]
2012-11-30 20:22 ` Christoffer Dall
2012-12-03 11:05 ` Will Deacon
2012-12-03 19:09 ` Christoffer Dall
2012-11-10 15:43 ` [PATCH v4 10/14] KVM: ARM: User space API for getting/setting co-proc registers Christoffer Dall
2012-11-19 15:02 ` Will Deacon
2012-11-30 6:42 ` Christoffer Dall
2012-11-10 15:43 ` [PATCH v4 11/14] KVM: ARM: Demux CCSIDR in the userspace API Christoffer Dall
2012-11-19 15:03 ` Will Deacon
2012-11-30 6:45 ` Christoffer Dall
2012-11-10 15:43 ` [PATCH v4 12/14] KVM: ARM: VFP userspace interface Christoffer Dall
2012-11-10 15:43 ` [PATCH v4 13/14] KVM: ARM: Handle guest faults in KVM Christoffer Dall
2012-11-19 15:07 ` Will Deacon
2012-11-30 21:40 ` Christoffer Dall
2012-12-03 13:06 ` Will Deacon
2012-12-03 15:02 ` Christoffer Dall
2012-11-10 15:43 ` [PATCH v4 14/14] KVM: ARM: Handle I/O aborts Christoffer Dall
2012-11-19 15:09 ` Will Deacon
2012-11-30 14:46 ` Dave Martin
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