On Thu, Oct 26, 2023 at 1:15 AM Max Chou <max.c...@sifive.com> wrote:
>
> Vector crypto spec defines the Zvkt extension that included all of the
> instructions of Zvbb & Zvbc extensions and some vector instructions.
>
> Signed-off-by: Max Chou <max.c...@sifive.com>
Reviewed-by: Alistair Francis <alistair.fran...@wdc.com>
Alistair
> ---
> target/riscv/cpu_cfg.h | 1 +
> target/riscv/tcg/tcg-cpu.c | 5 +++++
> 2 files changed, 6 insertions(+)
>
> diff --git a/target/riscv/cpu_cfg.h b/target/riscv/cpu_cfg.h
> index e7ce977189c..d8d17dedeed 100644
> --- a/target/riscv/cpu_cfg.h
> +++ b/target/riscv/cpu_cfg.h
> @@ -94,6 +94,7 @@ struct RISCVCPUConfig {
> bool ext_zvknhb;
> bool ext_zvksed;
> bool ext_zvksh;
> + bool ext_zvkt;
> bool ext_zmmul;
> bool ext_zvfbfmin;
> bool ext_zvfbfwma;
> diff --git a/target/riscv/tcg/tcg-cpu.c b/target/riscv/tcg/tcg-cpu.c
> index c5ff03efce9..b9eaecb699c 100644
> --- a/target/riscv/tcg/tcg-cpu.c
> +++ b/target/riscv/tcg/tcg-cpu.c
> @@ -499,6 +499,11 @@ void riscv_cpu_validate_set_extensions(RISCVCPU *cpu,
> Error **errp)
> return;
> }
>
> + if (cpu->cfg.ext_zvkt) {
> + cpu_cfg_ext_auto_update(cpu, CPU_CFG_OFFSET(ext_zvbb), true);
> + cpu_cfg_ext_auto_update(cpu, CPU_CFG_OFFSET(ext_zvbc), true);
> + }
> +
> /*
> * In principle Zve*x would also suffice here, were they supported
> * in qemu
> --
> 2.34.1
>
>
