On Tue, Sep 22, 2015 at 11:35 AM, Davorin Mista
<davorin.mi...@aggios.com> wrote:
> Define a dummy version of the AArch64 OSLAR_EL1 system register
> which just ignores reads.
> Linux reads from this register during its suspend/resume procedure.
>
> Signed-off-by: Davorin Mista <davorin.mi...@aggios.com>
Looks good to me
Reviewed-by: Alistair Francis <alistair.fran...@xilinx.com>
Thanks,
Alistair
>
> ---
> target-arm/helper.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/target-arm/helper.c b/target-arm/helper.c
> index 454d666..8431181 100644
> --- a/target-arm/helper.c
> +++ b/target-arm/helper.c
> @@ -3085,6 +3085,10 @@ static const ARMCPRegInfo debug_cp_reginfo[] = {
> { .name = "OSLAR_EL1", .state = ARM_CP_STATE_BOTH,
> .cp = 14, .opc0 = 2, .opc1 = 0, .crn = 1, .crm = 0, .opc2 = 4,
> .access = PL1_W, .type = ARM_CP_NOP },
> + /* We define a dummy OSLSR_EL1, because Linux reads from it. */
> + { .name = "OSLSR_EL1", .state = ARM_CP_STATE_BOTH,
> + .cp = 14, .opc0 = 2, .opc1 = 0, .crn = 1, .crm = 1, .opc2 = 4 ,
> + .access = PL1_R, .type = ARM_CP_NOP },
> /* Dummy OSDLR_EL1: 32-bit Linux will read this */
> { .name = "OSDLR_EL1", .state = ARM_CP_STATE_BOTH,
> .cp = 14, .opc0 = 2, .opc1 = 0, .crn = 1, .crm = 3, .opc2 = 4,
> --
> 2.5.3
>
>
