On Thu, Dec 22, 2016 at 04:29:25AM +1000, Nicholas Piggin wrote:
> Change the calling convention to put the trap number together with
> CR in two halves of r12, which frees up HSTATE_SCRATCH2 in the HV
> handler.
>
> The 64-bit PR handler entry translates the calling convention back
> to match
On Tue, 6 Dec 2016 17:09:07 +1100
Paul Mackerras wrote:
> On Thu, Dec 01, 2016 at 06:18:10PM +1100, Nicholas Piggin wrote:
> > Change the calling convention to put the trap number together with
> > CR in two halves of r12, which frees up HSTATE_SCRATCH2 in the HV
> > handler,
On Thu, Dec 01, 2016 at 06:18:10PM +1100, Nicholas Piggin wrote:
> Change the calling convention to put the trap number together with
> CR in two halves of r12, which frees up HSTATE_SCRATCH2 in the HV
> handler, and r9 free.
Cute idea! Some comments below...
> The 64-bit PR handler entry