Re: [Qemu-devel] [PATCH 0/2] Implement YIELD to yield in ARM and Thumb translators

[Peter Maydell]

Ping?

thanks
-- PMM

On 15 June 2015 at 19:49, Peter Maydell <address@hidden> wrote:
> This patchset makes the ARM and Thumb encodings of the YIELD hint
> instruction in the ARM cause the TCG CPU to yield control back
> to the top level loop. This brings them into line with the A64
> encoding which already did this.
>
> Patch 1 splits out DISAS_YIELD from DISAS_WFE, because although
> we currently implement them both the same way they're semantically
> different, and in future we might well make WFE do something
> else. (In particular when I was reviewing Greg's patches that
> proposed enabling trap-to-EL2-on-WFE I didn't notice that we
> would also have ended up trapping on YIELD !)
>
>
> Peter Maydell (2):
>   target-arm: Split DISAS_YIELD from DISAS_WFE
>   target-arm: Implement YIELD insn to yield in ARM and Thumb translators
>
>  target-arm/helper.h        |  1 +
>  target-arm/op_helper.c     | 12 ++++++++++++
>  target-arm/translate-a64.c |  6 ++++++
>  target-arm/translate.c     |  7 +++++++
>  target-arm/translate.h     |  1 +
>  5 files changed, 27 insertions(+)