From: Julien Grall <julien.grall@linaro.org>
To: Ian Campbell <ian.campbell@citrix.com>, xen-devel@lists.xen.org
Cc: tim@xen.org, stefano.stabellini@eu.citrix.com
Subject: Re: [PATCH v4 04/15] xen: arm: handle accesses to CNTP_CVAL_EL0
Date: Fri, 27 Mar 2015 15:58:35 +0000 [thread overview]
Message-ID: <55157E2B.6030908@linaro.org> (raw)
In-Reply-To: <1427466824-31967-4-git-send-email-ian.campbell@citrix.com>
Hi Ian,
On 27/03/15 14:33, Ian Campbell wrote:
> All OSes we have run on top of Xen use CNTP_TVAL_EL0 but for
> completeness we really should handle CVAL too.
>
> In vtimer_emulate_cp64 pull the propagation of the 64-bit result into
> two 32-bit registers out of the switch to avoid duplicating for every
> register. We also need to initialise x now since previously the only
> register implemented register was R/O.
>
> While adding HSR_SYSREG_CNTP_CVAL_EL0 also move
> HSR_SYSREG_CNTP_CTL_EL0 so it is sorted correctly.
>
> Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Reviewed-by: Julien Grall <julien.grall@linaro.org>
Regards,
--
Julien Grall
next prev parent reply other threads:[~2015-03-27 15:58 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-27 14:33 [PATCH v4 0/15] xen: arm: reenable support for 32-bit userspace running in 64-bit guest Ian Campbell
2015-03-27 14:33 ` [PATCH v4 01/15] xen: arm: Correct PMXEV cp register definitions Ian Campbell
2015-03-27 14:33 ` [PATCH v4 02/15] xen: arm: Factor out psr_mode_is_user Ian Campbell
2015-03-27 14:33 ` [PATCH v4 03/15] xen: arm: correctly handle vtimer traps from userspace Ian Campbell
2015-03-27 15:57 ` Julien Grall
2015-03-27 14:33 ` [PATCH v4 04/15] xen: arm: handle accesses to CNTP_CVAL_EL0 Ian Campbell
2015-03-27 15:58 ` Julien Grall [this message]
2015-03-27 14:33 ` [PATCH v4 05/15] xen: arm: Use ARMv8 names for CNTHCTL_EL2 bits Ian Campbell
2015-03-27 14:33 ` [PATCH v4 06/15] xen: arm: Handle 32-bit EL0 on 64-bit EL1 when advancing PC after trap Ian Campbell
2015-03-27 14:33 ` [PATCH v4 07/15] xen: arm: do not handle traps accessing CLIDR_EL1 or CCSIDR_EL1 Ian Campbell
2015-03-27 16:09 ` Julien Grall
2015-03-27 14:33 ` [PATCH v4 08/15] xen: arm: don't pretend to handle cache maintenance by set/way Ian Campbell
2015-03-27 16:36 ` Julien Grall
2015-03-27 17:05 ` Ian Campbell
2015-03-30 12:17 ` Julien Grall
2015-03-30 13:30 ` Ian Campbell
2015-03-30 13:45 ` Processed: " xen
2015-03-27 14:33 ` [PATCH v4 09/15] xen: arm: Handle CP15 register traps from userspace Ian Campbell
2015-03-27 16:39 ` Julien Grall
2015-03-27 14:33 ` [PATCH v4 10/15] xen: arm: Handle CP14 32-bit register accesses " Ian Campbell
2015-03-27 14:33 ` [PATCH v4 11/15] xen: arm: correctly handle sysreg " Ian Campbell
2015-03-27 16:40 ` Julien Grall
2015-03-27 14:33 ` [PATCH v4 12/15] xen: arm: handle remaining traps " Ian Campbell
2015-03-27 14:33 ` [PATCH v4 13/15] xen: arm: Dump guest state when invalid trap state is detected Ian Campbell
2015-03-27 14:33 ` [PATCH v4 14/15] xen: arm: Allow traps from 32 bit userspace on 64 bit hypervisors again Ian Campbell
2015-03-27 14:33 ` [PATCH v4 15/15] xen: arm: always omit guest user stack in vcpu_show_execution_state Ian Campbell
2015-03-27 16:42 ` Julien Grall
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