From: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
To: Greg Bellows <greg.bellows@linaro.org>
Cc: peter.maydell@linaro.org, qemu-devel@nongnu.org,
Fabian Aggeler <aggelerf@ethz.ch>
Subject: Re: [Qemu-devel] [PATCH v3 05/16] hw/intc/arm_gic: Add ns_access() function
Date: Tue, 21 Apr 2015 10:49:11 +1000 [thread overview]
Message-ID: <20150421004911.GA11707@toto> (raw)
In-Reply-To: <1429113742-8371-6-git-send-email-greg.bellows@linaro.org>
On Wed, Apr 15, 2015 at 11:02:11AM -0500, Greg Bellows wrote:
> From: Fabian Aggeler <aggelerf@ethz.ch>
>
> Security Extensions for GICv1 and GICv2 use register banking
> to provide transparent access to seperate Secure and Non-secure
> copies of GIC configuration registers. This function will later
> be replaced by code determining the security state of a read/write
> access to a register.
Hi,
Can we rebase this on top of Peters memory attribute series to get the actual secure attribute?
Cheers,
Edgar
>
> Signed-off-by: Fabian Aggeler <aggelerf@ethz.ch>
> Signed-off-by: Greg Bellows <greg.bellows@linaro.org>
> ---
> hw/intc/arm_gic.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/hw/intc/arm_gic.c b/hw/intc/arm_gic.c
> index cdf7408..e0bce6e 100644
> --- a/hw/intc/arm_gic.c
> +++ b/hw/intc/arm_gic.c
> @@ -45,6 +45,13 @@ static inline int gic_get_current_cpu(GICState *s)
> return 0;
> }
>
> +/* Security state of a read / write access */
> +static inline bool ns_access(void)
> +{
> + /* TODO: use actual security state */
> + return true;
> +}
> +
> /* TODO: Many places that call this routine could be optimized. */
> /* Update interrupt status after enabled or pending bits have been changed. */
> void gic_update(GICState *s)
> --
> 1.8.3.2
>
>
next prev parent reply other threads:[~2015-04-21 0:52 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-15 16:02 [Qemu-devel] [PATCH v3 00/16] target-arm: Add GICv1/SecExt and GICv2/Grouping Greg Bellows
2015-04-15 16:02 ` [Qemu-devel] [PATCH v3 01/16] hw/intc/arm_gic: Request FIQ sources Greg Bellows
2015-04-15 16:02 ` [Qemu-devel] [PATCH v3 02/16] hw/arm/vexpress.c: Wire FIQ between CPU <> GIC Greg Bellows
2015-04-15 16:02 ` [Qemu-devel] [PATCH v3 03/16] hw/arm/virt.c: " Greg Bellows
2015-04-15 16:02 ` [Qemu-devel] [PATCH v3 04/16] hw/intc/arm_gic: Add Security Extensions property Greg Bellows
2015-04-15 16:02 ` [Qemu-devel] [PATCH v3 05/16] hw/intc/arm_gic: Add ns_access() function Greg Bellows
2015-04-21 0:49 ` Edgar E. Iglesias [this message]
2015-04-15 16:02 ` [Qemu-devel] [PATCH v3 06/16] hw/intc/arm_gic: Add Interrupt Group Registers Greg Bellows
2015-04-21 1:01 ` Edgar E. Iglesias
2015-04-15 16:02 ` [Qemu-devel] [PATCH v3 07/16] hw/intc/arm_gic: Make ICDDCR/GICD_CTLR banked Greg Bellows
2015-04-21 1:28 ` Edgar E. Iglesias
2015-04-15 16:02 ` [Qemu-devel] [PATCH v3 08/16] hw/intc/arm_gic: Make ICCICR/GICC_CTLR banked Greg Bellows
2015-04-27 15:00 ` Peter Maydell
2015-04-28 18:27 ` Peter Maydell
2015-04-15 16:02 ` [Qemu-devel] [PATCH v3 09/16] hw/intc/arm_gic: Make ICCBPR/GICC_BPR banked Greg Bellows
2015-04-15 16:02 ` [Qemu-devel] [PATCH v3 10/16] hw/intc/arm_gic: Implement Non-secure view of RPR Greg Bellows
2015-04-15 16:02 ` [Qemu-devel] [PATCH v3 11/16] hw/intc/arm_gic: Handle grouping for GICC_HPPIR Greg Bellows
2015-04-15 16:02 ` [Qemu-devel] [PATCH v3 12/16] hw/intc/arm_gic: Change behavior of EOIR writes Greg Bellows
2015-04-15 16:02 ` [Qemu-devel] [PATCH v3 13/16] hw/intc/arm_gic: Change behavior of IAR writes Greg Bellows
2015-04-15 16:02 ` [Qemu-devel] [PATCH v3 14/16] hw/intc/arm_gic: Restrict priority view Greg Bellows
2015-04-15 16:02 ` [Qemu-devel] [PATCH v3 15/16] hw/intc/arm_gic: Break out gic_update() function Greg Bellows
2015-04-15 16:02 ` [Qemu-devel] [PATCH v3 16/16] hw/intc/arm_gic: add gic_update() for grouping Greg Bellows
2015-04-21 1:41 ` Edgar E. Iglesias
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