On 24/07/2017 13:26, Thomas Huth wrote:
> Most of the SPRS are the same as on POWER8, so we can re-use
> the PowerISA 2.07 functions and simply amend the additional
> registers afterwards.
>
> Signed-off-by: Thomas Huth <thuth@xxxxxxxxxx>
Reviewed-by: Laurent Vivier <lvivier@xxxxxxxxxx>
> ---
> v2:
> - Removed GSR (SPR 158) since it is a write-only register
> - Removed LMRR (813) and LMSER (814) since they have been removed
> in PowerISA 3.0 B
> - Added TIDR (144) which is a new register in PowerISA 3.0 B
>
> BTW: In case somebody got some spare time and wants to increase
> their patch count: Seems like TIDR (144) and PSSCR (823) are
> currently not migrated right.
>
> powerpc/sprs.c | 23 +++++++++++++++++++++++
> 1 file changed, 23 insertions(+)
>
> diff --git a/powerpc/sprs.c b/powerpc/sprs.c
> index 39644fa..c02bcc9 100644
> --- a/powerpc/sprs.c
> +++ b/powerpc/sprs.c
> @@ -126,6 +126,15 @@ static void set_sprs_book3s_207(uint64_t val)
> mtspr(815, val); /* TAR */
> }
>
> +/* SPRs from PowerISA 3.00 Book III */
> +static void set_sprs_book3s_300(uint64_t val)
> +{
> + set_sprs_book3s_207(val);
> + mtspr(48, val); /* PIDR */
> + mtspr(144, val); /* TIDR */
> + mtspr(823, val); /* PSSCR */
> +}
> +
> static void set_sprs(uint64_t val)
> {
> uint32_t pvr = mfspr(287); /* Processor Version Register */
> @@ -143,6 +152,9 @@ static void set_sprs(uint64_t val)
> case 0x4d: /* POWER8 */
> set_sprs_book3s_207(val);
> break;
> + case 0x4e: /* POWER9 */
> + set_sprs_book3s_300(val);
> + break;
> default:
> puts("Warning: Unknown processor version!\n");
> }
> @@ -218,6 +230,14 @@ static void get_sprs_book3s_207(uint64_t *v)
> v[815] = mfspr(815); /* TAR */
> }
>
> +static void get_sprs_book3s_300(uint64_t *v)
> +{
> + get_sprs_book3s_207(v);
> + v[48] = mfspr(48); /* PIDR */
> + v[144] = mfspr(144); /* TIDR */
> + v[823] = mfspr(823); /* PSSCR */
> +}
> +
> static void get_sprs(uint64_t *v)
> {
> uint32_t pvr = mfspr(287); /* Processor Version Register */
> @@ -235,6 +255,9 @@ static void get_sprs(uint64_t *v)
> case 0x4d: /* POWER8 */
> get_sprs_book3s_207(v);
> break;
> + case 0x4e: /* POWER9 */
> + get_sprs_book3s_300(v);
> + break;
> }
> }
>
>
