Reviewed-by: Glenn Miles <mil...@linux.ibm.com>
Thanks,
Glenn
On Tue, 2024-05-21 at 11:30 +1000, Nicholas Piggin wrote:
> An SPR can be either per-thread, per-core, or per-LPAR. Per-LPAR
> means
> per-thread or per-core, depending on 1LPAR mode.
>
> Signed-off-by: Nicholas Piggin <npig...@gmail.com>
> ---
> target/ppc/spr_common.h | 2 ++
> target/ppc/translate.c | 28 ++++++++++++++++++++++++++++
> 2 files changed, 30 insertions(+)
>
> diff --git a/target/ppc/spr_common.h b/target/ppc/spr_common.h
> index 9e40b3b608..85f73b860b 100644
> --- a/target/ppc/spr_common.h
> +++ b/target/ppc/spr_common.h
> @@ -83,6 +83,8 @@ void spr_read_generic(DisasContext *ctx, int gprn,
> int sprn);
> void spr_write_generic(DisasContext *ctx, int sprn, int gprn);
> void spr_write_generic32(DisasContext *ctx, int sprn, int gprn);
> void spr_core_write_generic(DisasContext *ctx, int sprn, int gprn);
> +void spr_core_write_generic32(DisasContext *ctx, int sprn, int
> gprn);
> +void spr_core_lpar_write_generic(DisasContext *ctx, int sprn, int
> gprn);
> void spr_write_MMCR0(DisasContext *ctx, int sprn, int gprn);
> void spr_write_MMCR1(DisasContext *ctx, int sprn, int gprn);
> void spr_write_MMCRA(DisasContext *ctx, int sprn, int gprn);
> diff --git a/target/ppc/translate.c b/target/ppc/translate.c
> index 137370b649..c688551434 100644
> --- a/target/ppc/translate.c
> +++ b/target/ppc/translate.c
> @@ -535,6 +535,34 @@ void spr_core_write_generic(DisasContext *ctx,
> int sprn, int gprn)
> spr_store_dump_spr(sprn);
> }
>
> +void spr_core_write_generic32(DisasContext *ctx, int sprn, int gprn)
> +{
> + TCGv t0;
> +
> + if (!(ctx->flags & POWERPC_FLAG_SMT)) {
> + spr_write_generic32(ctx, sprn, gprn);
> + return;
> + }
> +
> + if (!gen_serialize(ctx)) {
> + return;
> + }
> +
> + t0 = tcg_temp_new();
> + tcg_gen_ext32u_tl(t0, cpu_gpr[gprn]);
> + gen_helper_spr_core_write_generic(tcg_env,
> tcg_constant_i32(sprn), t0);
> + spr_store_dump_spr(sprn);
> +}
> +
> +void spr_core_lpar_write_generic(DisasContext *ctx, int sprn, int
> gprn)
> +{
> + if (ctx->flags & POWERPC_FLAG_SMT_1LPAR) {
> + spr_core_write_generic(ctx, sprn, gprn);
> + } else {
> + spr_write_generic(ctx, sprn, gprn);
> + }
> +}
> +
> static void spr_write_CTRL_ST(DisasContext *ctx, int sprn, int gprn)
> {
> /* This does not implement >1 thread */
