On Tue, Aug 15, 2017 at 06:44:45PM +0100, Ard Biesheuvel wrote:
> On 9 August 2017 at 13:05, Dave Martin wrote:
> > The EFI runtime services ABI allows EFI to make free use of the
> > FPSIMD registers during EFI runtime service calls, subject to the
> > callee-save
On 9 August 2017 at 13:05, Dave Martin wrote:
> The EFI runtime services ABI allows EFI to make free use of the
> FPSIMD registers during EFI runtime service calls, subject to the
> callee-save requirements of the AArch64 procedure call standard.
>
> However, the SVE
The EFI runtime services ABI allows EFI to make free use of the
FPSIMD registers during EFI runtime service calls, subject to the
callee-save requirements of the AArch64 procedure call standard.
However, the SVE architecture allows upper bits of the SVE vector
registers to be zeroed as a