Re: [Qemu-devel] [PATCH 0/4] target-arm: Implement support for generic timers

[Laurent Desnogues]

Hi,

On Tue, Jul 30, 2013 at 7:55 PM, Peter Maydell <address@hidden> wrote:
> This patch series implements support for the 'generic timers',
> which are a set of timers defined in the ARM Architecture Reference
> Manual and implemented by the Cortex-A15. We've got away without
> these up til now because Linux will generally fall back on whatever
> random timer is present on the devboard if it can't find the
> on-CPU timers, but this is less than ideal. (Among other things,
> the proposed mach-virt should just use the generic timers so it
> doesn't have to provide an sp804 timer.)
>
> Peter Maydell (4):
>   target-arm: Allow raw_read() and raw_write() to handle 64 bit regs
>   target-arm: Support coprocessor registers which do I/O
>   target-arm: Implement the generic timer
>   hw/cpu/a15mpcore: Wire generic timer outputs to GIC inputs
>
>  hw/cpu/a15mpcore.c     |   18 ++++
>  target-arm/cpu-qom.h   |    9 ++
>  target-arm/cpu.c       |    9 ++
>  target-arm/cpu.h       |   24 ++++-
>  target-arm/helper.c    |  267 
> ++++++++++++++++++++++++++++++++++++++++++++++--
>  target-arm/machine.c   |    8 +-
>  target-arm/translate.c |   16 ++-
>  7 files changed, 337 insertions(+), 14 deletions(-)

I tested this patch series with a 3.9 kernel for Vexpress
with Cortex-A15.  It works fine with the generic timer
correctly detected and used.

Note the 4th patch doesn't apply as is any more.

Tested-by: Laurent Desnogues <address@hidden>

Thanks,

Laurent