Ping. Can anyone review the patches please?
Jason Chien <jason.ch...@sifive.com> 於 2024年3月7日 週四 上午1:09寫道：
> Add support for Zve32x extension and replace some checks for Zve32f with
> Zve32x, since Zve32f depends on Zve32x.
>
> Signed-off-by: Jason Chien <jason.ch...@sifive.com>
> Reviewed-by: Frank Chang <frank.ch...@sifive.com>
> Reviewed-by: Max Chou <max.c...@sifive.com>
> ---
> target/riscv/cpu.c | 1 +
> target/riscv/cpu_cfg.h | 1 +
> target/riscv/cpu_helper.c | 2 +-
> target/riscv/csr.c | 2 +-
> target/riscv/insn_trans/trans_rvv.c.inc | 4 ++--
> target/riscv/tcg/tcg-cpu.c | 16 ++++++++--------
> 6 files changed, 14 insertions(+), 12 deletions(-)
>
> diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
> index fd0c7efdda..10ccae3323 100644
> --- a/target/riscv/cpu.c
> +++ b/target/riscv/cpu.c
> @@ -152,6 +152,7 @@ const RISCVIsaExtData isa_edata_arr[] = {
> ISA_EXT_DATA_ENTRY(zvbb, PRIV_VERSION_1_12_0, ext_zvbb),
> ISA_EXT_DATA_ENTRY(zvbc, PRIV_VERSION_1_12_0, ext_zvbc),
> ISA_EXT_DATA_ENTRY(zve32f, PRIV_VERSION_1_10_0, ext_zve32f),
> + ISA_EXT_DATA_ENTRY(zve32x, PRIV_VERSION_1_10_0, ext_zve32x),
> ISA_EXT_DATA_ENTRY(zve64f, PRIV_VERSION_1_10_0, ext_zve64f),
> ISA_EXT_DATA_ENTRY(zve64d, PRIV_VERSION_1_10_0, ext_zve64d),
> ISA_EXT_DATA_ENTRY(zvfbfmin, PRIV_VERSION_1_12_0, ext_zvfbfmin),
> diff --git a/target/riscv/cpu_cfg.h b/target/riscv/cpu_cfg.h
> index be39870691..beb3d10213 100644
> --- a/target/riscv/cpu_cfg.h
> +++ b/target/riscv/cpu_cfg.h
> @@ -90,6 +90,7 @@ struct RISCVCPUConfig {
> bool ext_zhinx;
> bool ext_zhinxmin;
> bool ext_zve32f;
> + bool ext_zve32x;
> bool ext_zve64f;
> bool ext_zve64d;
> bool ext_zvbb;
> diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c
> index c994a72634..ebbe56d9a2 100644
> --- a/target/riscv/cpu_helper.c
> +++ b/target/riscv/cpu_helper.c
> @@ -72,7 +72,7 @@ void cpu_get_tb_cpu_state(CPURISCVState *env, vaddr *pc,
> *pc = env->xl == MXL_RV32 ? env->pc & UINT32_MAX : env->pc;
> *cs_base = 0;
>
> - if (cpu->cfg.ext_zve32f) {
> + if (cpu->cfg.ext_zve32x) {
> /*
> * If env->vl equals to VLMAX, we can use generic vector operation
> * expanders (GVEC) to accerlate the vector operations.
> diff --git a/target/riscv/csr.c b/target/riscv/csr.c
> index 726096444f..d96feea5d3 100644
> --- a/target/riscv/csr.c
> +++ b/target/riscv/csr.c
> @@ -93,7 +93,7 @@ static RISCVException fs(CPURISCVState *env, int csrno)
>
> static RISCVException vs(CPURISCVState *env, int csrno)
> {
> - if (riscv_cpu_cfg(env)->ext_zve32f) {
> + if (riscv_cpu_cfg(env)->ext_zve32x) {
> #if !defined(CONFIG_USER_ONLY)
> if (!env->debugger && !riscv_cpu_vector_enabled(env)) {
> return RISCV_EXCP_ILLEGAL_INST;
> diff --git a/target/riscv/insn_trans/trans_rvv.c.inc
> b/target/riscv/insn_trans/trans_rvv.c.inc
> index 9e101ab434..f00f1ee886 100644
> --- a/target/riscv/insn_trans/trans_rvv.c.inc
> +++ b/target/riscv/insn_trans/trans_rvv.c.inc
> @@ -149,7 +149,7 @@ static bool do_vsetvl(DisasContext *s, int rd, int
> rs1, TCGv s2)
> {
> TCGv s1, dst;
>
> - if (!require_rvv(s) || !s->cfg_ptr->ext_zve32f) {
> + if (!require_rvv(s) || !s->cfg_ptr->ext_zve32x) {
> return false;
> }
>
> @@ -179,7 +179,7 @@ static bool do_vsetivli(DisasContext *s, int rd, TCGv
> s1, TCGv s2)
> {
> TCGv dst;
>
> - if (!require_rvv(s) || !s->cfg_ptr->ext_zve32f) {
> + if (!require_rvv(s) || !s->cfg_ptr->ext_zve32x) {
> return false;
> }
>
> diff --git a/target/riscv/tcg/tcg-cpu.c b/target/riscv/tcg/tcg-cpu.c
> index ab6db817db..ce539528e6 100644
> --- a/target/riscv/tcg/tcg-cpu.c
> +++ b/target/riscv/tcg/tcg-cpu.c
> @@ -501,9 +501,13 @@ void riscv_cpu_validate_set_extensions(RISCVCPU *cpu,
> Error **errp)
> return;
> }
>
> - if (cpu->cfg.ext_zve32f && !riscv_has_ext(env, RVF)) {
> - error_setg(errp, "Zve32f/Zve64f extensions require F extension");
> - return;
> + /* The Zve32f extension depends on the Zve32x extension */
> + if (cpu->cfg.ext_zve32f) {
> + if (!riscv_has_ext(env, RVF)) {
> + error_setg(errp, "Zve32f/Zve64f extensions require F
> extension");
> + return;
> + }
> + cpu_cfg_ext_auto_update(cpu, CPU_CFG_OFFSET(ext_zve32x), true);
> }
>
> if (cpu->cfg.ext_zvfh) {
> @@ -653,13 +657,9 @@ void riscv_cpu_validate_set_extensions(RISCVCPU *cpu,
> Error **errp)
> 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
> - */
> if ((cpu->cfg.ext_zvbb || cpu->cfg.ext_zvkb || cpu->cfg.ext_zvkg ||
> cpu->cfg.ext_zvkned || cpu->cfg.ext_zvknha ||
> cpu->cfg.ext_zvksed ||
> - cpu->cfg.ext_zvksh) && !cpu->cfg.ext_zve32f) {
> + cpu->cfg.ext_zvksh) && !cpu->cfg.ext_zve32x) {
> error_setg(errp,
> "Vector crypto extensions require V or Zve*
> extensions");
> return;
> --
> 2.43.2
>
>
