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SubjectRe: [PATCH v1 0/8] xen/arm: vgic: Support 32-bit access for 64-bit register
Please ignore this version, I've sent it to the wrong mailing list.

Sorry for the noise.

On 25/09/15 15:50, Julien Grall wrote:
> Hi all,
>
> This series aims to fix the 32-bit access on 64-bit register. Some guest
> OS such as FreeBSD and Linux (only in the ITS) use 32-bit access and will
> crash at boot time.
>
> I took the opportunity to go further and optimize the way Xen is storing
> registers such as GICD_IPRIORITYR, GICD_ITARGETR and GICD_IROUTER.
>
> Major changes in v2:
> - Use the helpers in GICv2
> - Optimize the assembly input for vgic_regN_* helpers on arm32
> - Add support for sign-extension generically
> - Store GICD_{IPRIORITYR, ITARGETSR, IROUTER} in a better way
>
> For all the changes see in each patch.
>
> A branch has been pushed based on the lastest staging:
>
> git://xenbits.xen.org/people/julieng/xen-unstable.git branch gicv3-32bit-v1
>
> Sincerely yours,
>
> Julien Grall (8):
> xen/arm: io: remove mmio_check_t typedef
> xen/arm: io: Extend write/read handler to pass the register in
> parameter
> xen/arm: Support sign-extension for every read access
> xen/arm: vgic: ctlr stores a 32-bit hardware register so use uint32_t
> xen/arm: vgic: Optimize the way to store GICD_IPRIORITYR in the rank
> xen/arm: vgic: Optimize the way to store the target vCPU in the rank
> xen/arm: vgic: Introduce helpers to read/write/clear/set vGIC register
> ...
> xen/arm: vgic-v3: Support 32-bit access for 64-bit registers
>
> xen/arch/arm/io.c | 42 +++++-
> xen/arch/arm/vgic-v2.c | 295 +++++++++++++++++++++---------------
> xen/arch/arm/vgic-v3.c | 352 +++++++++++++++++++++++++------------------
> xen/arch/arm/vgic.c | 72 ++++++++-
> xen/arch/arm/vuart.c | 16 +-
> xen/include/asm-arm/domain.h | 2 +-
> xen/include/asm-arm/mmio.h | 5 +-
> xen/include/asm-arm/vgic.h | 148 +++++++++++++++---
> 8 files changed, 617 insertions(+), 315 deletions(-)
>


--
Julien Grall


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