On Tue, May 05, 2015 at 08:42:36AM +0200, Thomas Huth wrote:
> On Tue, 5 May 2015 11:00:01 +1000
> David Gibson wrote:
>
> > qemu currently implements the hypercalls H_LOGICAL_CI_LOAD and
> > H_LOGICAL_CI_STORE as PAPR extensions. These are used by the SLOF firmware
> > for IO, because performi
On Tue, 5 May 2015 11:00:01 +1000
David Gibson wrote:
> qemu currently implements the hypercalls H_LOGICAL_CI_LOAD and
> H_LOGICAL_CI_STORE as PAPR extensions. These are used by the SLOF firmware
> for IO, because performing cache inhibited MMIO accesses with the MMU off
> (real mode) is very a
qemu currently implements the hypercalls H_LOGICAL_CI_LOAD and
H_LOGICAL_CI_STORE as PAPR extensions. These are used by the SLOF firmware
for IO, because performing cache inhibited MMIO accesses with the MMU off
(real mode) is very awkward on POWER.
This approach breaks when SLOF needs to access
