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[v3] target/riscv: Use official extension names for AIA CSRs

Message ID 20220820042958.377018-1-apatel@ventanamicro.com (mailing list archive)
State New, archived
Headers show
Series [v3] target/riscv: Use official extension names for AIA CSRs | expand

Commit Message

Anup Patel Aug. 20, 2022, 4:29 a.m. UTC
The arch review of AIA spec is completed and we now have official
extension names for AIA: Smaia (M-mode AIA CSRs) and Ssaia (S-mode
AIA CSRs).

Refer, section 1.6 of the latest AIA v0.3.1 stable specification at
https://github.com/riscv/riscv-aia/releases/download/0.3.1-draft.32/riscv-interrupts-032.pdf)

Based on above, we update QEMU RISC-V to:
1) Have separate config options for Smaia and Ssaia extensions
   which replace RISCV_FEATURE_AIA in CPU features
2) Not generate AIA INTC compatible string in virt machine

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
---
Changes since v2:
 - Use env_archcpu() to get RISCVCPU * from CPURISCVState *
Changes since v1:
 - Remove redundant "has_aia" parameter from riscv_cpu_pending_to_irq()
---
 hw/intc/riscv_imsic.c     |  4 +++-
 hw/riscv/virt.c           | 13 ++-----------
 target/riscv/cpu.c        |  9 ++++-----
 target/riscv/cpu.h        |  4 ++--
 target/riscv/cpu_helper.c |  3 ++-
 target/riscv/csr.c        | 24 ++++++++++++++++++------
 6 files changed, 31 insertions(+), 26 deletions(-)

Comments

Alistair Francis Aug. 22, 2022, 3:48 a.m. UTC | #1
On Sat, Aug 20, 2022 at 2:30 PM Anup Patel <apatel@ventanamicro.com> wrote:
>
> The arch review of AIA spec is completed and we now have official
> extension names for AIA: Smaia (M-mode AIA CSRs) and Ssaia (S-mode
> AIA CSRs).
>
> Refer, section 1.6 of the latest AIA v0.3.1 stable specification at
> https://github.com/riscv/riscv-aia/releases/download/0.3.1-draft.32/riscv-interrupts-032.pdf)
>
> Based on above, we update QEMU RISC-V to:
> 1) Have separate config options for Smaia and Ssaia extensions
>    which replace RISCV_FEATURE_AIA in CPU features
> 2) Not generate AIA INTC compatible string in virt machine
>
> Signed-off-by: Anup Patel <apatel@ventanamicro.com>
> Reviewed-by: Andrew Jones <ajones@ventanamicro.com>

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>

Alistair

> ---
> Changes since v2:
>  - Use env_archcpu() to get RISCVCPU * from CPURISCVState *
> Changes since v1:
>  - Remove redundant "has_aia" parameter from riscv_cpu_pending_to_irq()
> ---
>  hw/intc/riscv_imsic.c     |  4 +++-
>  hw/riscv/virt.c           | 13 ++-----------
>  target/riscv/cpu.c        |  9 ++++-----
>  target/riscv/cpu.h        |  4 ++--
>  target/riscv/cpu_helper.c |  3 ++-
>  target/riscv/csr.c        | 24 ++++++++++++++++++------
>  6 files changed, 31 insertions(+), 26 deletions(-)
>
> diff --git a/hw/intc/riscv_imsic.c b/hw/intc/riscv_imsic.c
> index 8615e4cc1d..4d4d5b50ca 100644
> --- a/hw/intc/riscv_imsic.c
> +++ b/hw/intc/riscv_imsic.c
> @@ -344,9 +344,11 @@ static void riscv_imsic_realize(DeviceState *dev, Error **errp)
>
>      /* Force select AIA feature and setup CSR read-modify-write callback */
>      if (env) {
> -        riscv_set_feature(env, RISCV_FEATURE_AIA);
>          if (!imsic->mmode) {
> +            rcpu->cfg.ext_ssaia = true;
>              riscv_cpu_set_geilen(env, imsic->num_pages - 1);
> +        } else {
> +            rcpu->cfg.ext_smaia = true;
>          }
>          riscv_cpu_set_aia_ireg_rmw_fn(env, (imsic->mmode) ? PRV_M : PRV_S,
>                                        riscv_imsic_rmw, imsic);
> diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c
> index e779d399ae..b041b33afc 100644
> --- a/hw/riscv/virt.c
> +++ b/hw/riscv/virt.c
> @@ -261,17 +261,8 @@ static void create_fdt_socket_cpus(RISCVVirtState *s, int socket,
>          qemu_fdt_add_subnode(mc->fdt, intc_name);
>          qemu_fdt_setprop_cell(mc->fdt, intc_name, "phandle",
>              intc_phandles[cpu]);
> -        if (riscv_feature(&s->soc[socket].harts[cpu].env,
> -                          RISCV_FEATURE_AIA)) {
> -            static const char * const compat[2] = {
> -                "riscv,cpu-intc-aia", "riscv,cpu-intc"
> -            };
> -            qemu_fdt_setprop_string_array(mc->fdt, intc_name, "compatible",
> -                                      (char **)&compat, ARRAY_SIZE(compat));
> -        } else {
> -            qemu_fdt_setprop_string(mc->fdt, intc_name, "compatible",
> -                "riscv,cpu-intc");
> -        }
> +        qemu_fdt_setprop_string(mc->fdt, intc_name, "compatible",
> +            "riscv,cpu-intc");
>          qemu_fdt_setprop(mc->fdt, intc_name, "interrupt-controller", NULL, 0);
>          qemu_fdt_setprop_cell(mc->fdt, intc_name, "#interrupt-cells", 1);
>
> diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
> index d11113fbaa..3cf0c86661 100644
> --- a/target/riscv/cpu.c
> +++ b/target/riscv/cpu.c
> @@ -101,6 +101,8 @@ static const struct isa_ext_data isa_edata_arr[] = {
>      ISA_EXT_DATA_ENTRY(zve64f, true, PRIV_VERSION_1_12_0, ext_zve64f),
>      ISA_EXT_DATA_ENTRY(zhinx, true, PRIV_VERSION_1_12_0, ext_zhinx),
>      ISA_EXT_DATA_ENTRY(zhinxmin, true, PRIV_VERSION_1_12_0, ext_zhinxmin),
> +    ISA_EXT_DATA_ENTRY(smaia, true, PRIV_VERSION_1_12_0, ext_smaia),
> +    ISA_EXT_DATA_ENTRY(ssaia, true, PRIV_VERSION_1_12_0, ext_ssaia),
>      ISA_EXT_DATA_ENTRY(sscofpmf, true, PRIV_VERSION_1_12_0, ext_sscofpmf),
>      ISA_EXT_DATA_ENTRY(sstc, true, PRIV_VERSION_1_12_0, ext_sstc),
>      ISA_EXT_DATA_ENTRY(svinval, true, PRIV_VERSION_1_12_0, ext_svinval),
> @@ -669,10 +671,6 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp)
>          }
>      }
>
> -    if (cpu->cfg.aia) {
> -        riscv_set_feature(env, RISCV_FEATURE_AIA);
> -    }
> -
>      if (cpu->cfg.debug) {
>          riscv_set_feature(env, RISCV_FEATURE_DEBUG);
>      }
> @@ -1058,7 +1056,8 @@ static Property riscv_cpu_extensions[] = {
>      DEFINE_PROP_BOOL("x-j", RISCVCPU, cfg.ext_j, false),
>      /* ePMP 0.9.3 */
>      DEFINE_PROP_BOOL("x-epmp", RISCVCPU, cfg.epmp, false),
> -    DEFINE_PROP_BOOL("x-aia", RISCVCPU, cfg.aia, false),
> +    DEFINE_PROP_BOOL("x-smaia", RISCVCPU, cfg.ext_smaia, false),
> +    DEFINE_PROP_BOOL("x-ssaia", RISCVCPU, cfg.ext_ssaia, false),
>
>      DEFINE_PROP_END_OF_LIST(),
>  };
> diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h
> index 42edfa4558..15cad73def 100644
> --- a/target/riscv/cpu.h
> +++ b/target/riscv/cpu.h
> @@ -85,7 +85,6 @@ enum {
>      RISCV_FEATURE_PMP,
>      RISCV_FEATURE_EPMP,
>      RISCV_FEATURE_MISA,
> -    RISCV_FEATURE_AIA,
>      RISCV_FEATURE_DEBUG
>  };
>
> @@ -452,6 +451,8 @@ struct RISCVCPUConfig {
>      bool ext_zve64f;
>      bool ext_zmmul;
>      bool ext_sscofpmf;
> +    bool ext_smaia;
> +    bool ext_ssaia;
>      bool rvv_ta_all_1s;
>      bool rvv_ma_all_1s;
>
> @@ -472,7 +473,6 @@ struct RISCVCPUConfig {
>      bool mmu;
>      bool pmp;
>      bool epmp;
> -    bool aia;
>      bool debug;
>      uint64_t resetvec;
>
> diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c
> index 81948b37dd..67e4c0efd2 100644
> --- a/target/riscv/cpu_helper.c
> +++ b/target/riscv/cpu_helper.c
> @@ -309,6 +309,7 @@ static int riscv_cpu_pending_to_irq(CPURISCVState *env,
>                                      int extirq, unsigned int extirq_def_prio,
>                                      uint64_t pending, uint8_t *iprio)
>  {
> +    RISCVCPU *cpu = env_archcpu(env);
>      int irq, best_irq = RISCV_EXCP_NONE;
>      unsigned int prio, best_prio = UINT_MAX;
>
> @@ -317,7 +318,7 @@ static int riscv_cpu_pending_to_irq(CPURISCVState *env,
>      }
>
>      irq = ctz64(pending);
> -    if (!riscv_feature(env, RISCV_FEATURE_AIA)) {
> +    if (!((extirq == IRQ_M_EXT) ? cpu->cfg.ext_smaia : cpu->cfg.ext_ssaia)) {
>          return irq;
>      }
>
> diff --git a/target/riscv/csr.c b/target/riscv/csr.c
> index 2dcd4e5b2d..b96db1b62b 100644
> --- a/target/riscv/csr.c
> +++ b/target/riscv/csr.c
> @@ -181,7 +181,9 @@ static RISCVException any32(CPURISCVState *env, int csrno)
>
>  static int aia_any(CPURISCVState *env, int csrno)
>  {
> -    if (!riscv_feature(env, RISCV_FEATURE_AIA)) {
> +    RISCVCPU *cpu = env_archcpu(env);
> +
> +    if (!cpu->cfg.ext_smaia) {
>          return RISCV_EXCP_ILLEGAL_INST;
>      }
>
> @@ -190,7 +192,9 @@ static int aia_any(CPURISCVState *env, int csrno)
>
>  static int aia_any32(CPURISCVState *env, int csrno)
>  {
> -    if (!riscv_feature(env, RISCV_FEATURE_AIA)) {
> +    RISCVCPU *cpu = env_archcpu(env);
> +
> +    if (!cpu->cfg.ext_smaia) {
>          return RISCV_EXCP_ILLEGAL_INST;
>      }
>
> @@ -217,7 +221,9 @@ static int smode32(CPURISCVState *env, int csrno)
>
>  static int aia_smode(CPURISCVState *env, int csrno)
>  {
> -    if (!riscv_feature(env, RISCV_FEATURE_AIA)) {
> +    RISCVCPU *cpu = env_archcpu(env);
> +
> +    if (!cpu->cfg.ext_ssaia) {
>          return RISCV_EXCP_ILLEGAL_INST;
>      }
>
> @@ -226,7 +232,9 @@ static int aia_smode(CPURISCVState *env, int csrno)
>
>  static int aia_smode32(CPURISCVState *env, int csrno)
>  {
> -    if (!riscv_feature(env, RISCV_FEATURE_AIA)) {
> +    RISCVCPU *cpu = env_archcpu(env);
> +
> +    if (!cpu->cfg.ext_ssaia) {
>          return RISCV_EXCP_ILLEGAL_INST;
>      }
>
> @@ -282,7 +290,9 @@ static RISCVException pointer_masking(CPURISCVState *env, int csrno)
>
>  static int aia_hmode(CPURISCVState *env, int csrno)
>  {
> -    if (!riscv_feature(env, RISCV_FEATURE_AIA)) {
> +    RISCVCPU *cpu = env_archcpu(env);
> +
> +    if (!cpu->cfg.ext_ssaia) {
>          return RISCV_EXCP_ILLEGAL_INST;
>       }
>
> @@ -291,7 +301,9 @@ static int aia_hmode(CPURISCVState *env, int csrno)
>
>  static int aia_hmode32(CPURISCVState *env, int csrno)
>  {
> -    if (!riscv_feature(env, RISCV_FEATURE_AIA)) {
> +    RISCVCPU *cpu = env_archcpu(env);
> +
> +    if (!cpu->cfg.ext_ssaia) {
>          return RISCV_EXCP_ILLEGAL_INST;
>      }
>
> --
> 2.34.1
>
>
Alistair Francis Aug. 22, 2022, 7:43 a.m. UTC | #2
On Sat, Aug 20, 2022 at 2:30 PM Anup Patel <apatel@ventanamicro.com> wrote:
>
> The arch review of AIA spec is completed and we now have official
> extension names for AIA: Smaia (M-mode AIA CSRs) and Ssaia (S-mode
> AIA CSRs).
>
> Refer, section 1.6 of the latest AIA v0.3.1 stable specification at
> https://github.com/riscv/riscv-aia/releases/download/0.3.1-draft.32/riscv-interrupts-032.pdf)
>
> Based on above, we update QEMU RISC-V to:
> 1) Have separate config options for Smaia and Ssaia extensions
>    which replace RISCV_FEATURE_AIA in CPU features
> 2) Not generate AIA INTC compatible string in virt machine
>
> Signed-off-by: Anup Patel <apatel@ventanamicro.com>
> Reviewed-by: Andrew Jones <ajones@ventanamicro.com>

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>

Alistair

> ---
> Changes since v2:
>  - Use env_archcpu() to get RISCVCPU * from CPURISCVState *
> Changes since v1:
>  - Remove redundant "has_aia" parameter from riscv_cpu_pending_to_irq()
> ---
>  hw/intc/riscv_imsic.c     |  4 +++-
>  hw/riscv/virt.c           | 13 ++-----------
>  target/riscv/cpu.c        |  9 ++++-----
>  target/riscv/cpu.h        |  4 ++--
>  target/riscv/cpu_helper.c |  3 ++-
>  target/riscv/csr.c        | 24 ++++++++++++++++++------
>  6 files changed, 31 insertions(+), 26 deletions(-)
>
> diff --git a/hw/intc/riscv_imsic.c b/hw/intc/riscv_imsic.c
> index 8615e4cc1d..4d4d5b50ca 100644
> --- a/hw/intc/riscv_imsic.c
> +++ b/hw/intc/riscv_imsic.c
> @@ -344,9 +344,11 @@ static void riscv_imsic_realize(DeviceState *dev, Error **errp)
>
>      /* Force select AIA feature and setup CSR read-modify-write callback */
>      if (env) {
> -        riscv_set_feature(env, RISCV_FEATURE_AIA);
>          if (!imsic->mmode) {
> +            rcpu->cfg.ext_ssaia = true;
>              riscv_cpu_set_geilen(env, imsic->num_pages - 1);
> +        } else {
> +            rcpu->cfg.ext_smaia = true;
>          }
>          riscv_cpu_set_aia_ireg_rmw_fn(env, (imsic->mmode) ? PRV_M : PRV_S,
>                                        riscv_imsic_rmw, imsic);
> diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c
> index e779d399ae..b041b33afc 100644
> --- a/hw/riscv/virt.c
> +++ b/hw/riscv/virt.c
> @@ -261,17 +261,8 @@ static void create_fdt_socket_cpus(RISCVVirtState *s, int socket,
>          qemu_fdt_add_subnode(mc->fdt, intc_name);
>          qemu_fdt_setprop_cell(mc->fdt, intc_name, "phandle",
>              intc_phandles[cpu]);
> -        if (riscv_feature(&s->soc[socket].harts[cpu].env,
> -                          RISCV_FEATURE_AIA)) {
> -            static const char * const compat[2] = {
> -                "riscv,cpu-intc-aia", "riscv,cpu-intc"
> -            };
> -            qemu_fdt_setprop_string_array(mc->fdt, intc_name, "compatible",
> -                                      (char **)&compat, ARRAY_SIZE(compat));
> -        } else {
> -            qemu_fdt_setprop_string(mc->fdt, intc_name, "compatible",
> -                "riscv,cpu-intc");
> -        }
> +        qemu_fdt_setprop_string(mc->fdt, intc_name, "compatible",
> +            "riscv,cpu-intc");
>          qemu_fdt_setprop(mc->fdt, intc_name, "interrupt-controller", NULL, 0);
>          qemu_fdt_setprop_cell(mc->fdt, intc_name, "#interrupt-cells", 1);
>
> diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
> index d11113fbaa..3cf0c86661 100644
> --- a/target/riscv/cpu.c
> +++ b/target/riscv/cpu.c
> @@ -101,6 +101,8 @@ static const struct isa_ext_data isa_edata_arr[] = {
>      ISA_EXT_DATA_ENTRY(zve64f, true, PRIV_VERSION_1_12_0, ext_zve64f),
>      ISA_EXT_DATA_ENTRY(zhinx, true, PRIV_VERSION_1_12_0, ext_zhinx),
>      ISA_EXT_DATA_ENTRY(zhinxmin, true, PRIV_VERSION_1_12_0, ext_zhinxmin),
> +    ISA_EXT_DATA_ENTRY(smaia, true, PRIV_VERSION_1_12_0, ext_smaia),
> +    ISA_EXT_DATA_ENTRY(ssaia, true, PRIV_VERSION_1_12_0, ext_ssaia),
>      ISA_EXT_DATA_ENTRY(sscofpmf, true, PRIV_VERSION_1_12_0, ext_sscofpmf),
>      ISA_EXT_DATA_ENTRY(sstc, true, PRIV_VERSION_1_12_0, ext_sstc),
>      ISA_EXT_DATA_ENTRY(svinval, true, PRIV_VERSION_1_12_0, ext_svinval),
> @@ -669,10 +671,6 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp)
>          }
>      }
>
> -    if (cpu->cfg.aia) {
> -        riscv_set_feature(env, RISCV_FEATURE_AIA);
> -    }
> -
>      if (cpu->cfg.debug) {
>          riscv_set_feature(env, RISCV_FEATURE_DEBUG);
>      }
> @@ -1058,7 +1056,8 @@ static Property riscv_cpu_extensions[] = {
>      DEFINE_PROP_BOOL("x-j", RISCVCPU, cfg.ext_j, false),
>      /* ePMP 0.9.3 */
>      DEFINE_PROP_BOOL("x-epmp", RISCVCPU, cfg.epmp, false),
> -    DEFINE_PROP_BOOL("x-aia", RISCVCPU, cfg.aia, false),
> +    DEFINE_PROP_BOOL("x-smaia", RISCVCPU, cfg.ext_smaia, false),
> +    DEFINE_PROP_BOOL("x-ssaia", RISCVCPU, cfg.ext_ssaia, false),
>
>      DEFINE_PROP_END_OF_LIST(),
>  };
> diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h
> index 42edfa4558..15cad73def 100644
> --- a/target/riscv/cpu.h
> +++ b/target/riscv/cpu.h
> @@ -85,7 +85,6 @@ enum {
>      RISCV_FEATURE_PMP,
>      RISCV_FEATURE_EPMP,
>      RISCV_FEATURE_MISA,
> -    RISCV_FEATURE_AIA,
>      RISCV_FEATURE_DEBUG
>  };
>
> @@ -452,6 +451,8 @@ struct RISCVCPUConfig {
>      bool ext_zve64f;
>      bool ext_zmmul;
>      bool ext_sscofpmf;
> +    bool ext_smaia;
> +    bool ext_ssaia;
>      bool rvv_ta_all_1s;
>      bool rvv_ma_all_1s;
>
> @@ -472,7 +473,6 @@ struct RISCVCPUConfig {
>      bool mmu;
>      bool pmp;
>      bool epmp;
> -    bool aia;
>      bool debug;
>      uint64_t resetvec;
>
> diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c
> index 81948b37dd..67e4c0efd2 100644
> --- a/target/riscv/cpu_helper.c
> +++ b/target/riscv/cpu_helper.c
> @@ -309,6 +309,7 @@ static int riscv_cpu_pending_to_irq(CPURISCVState *env,
>                                      int extirq, unsigned int extirq_def_prio,
>                                      uint64_t pending, uint8_t *iprio)
>  {
> +    RISCVCPU *cpu = env_archcpu(env);
>      int irq, best_irq = RISCV_EXCP_NONE;
>      unsigned int prio, best_prio = UINT_MAX;
>
> @@ -317,7 +318,7 @@ static int riscv_cpu_pending_to_irq(CPURISCVState *env,
>      }
>
>      irq = ctz64(pending);
> -    if (!riscv_feature(env, RISCV_FEATURE_AIA)) {
> +    if (!((extirq == IRQ_M_EXT) ? cpu->cfg.ext_smaia : cpu->cfg.ext_ssaia)) {
>          return irq;
>      }
>
> diff --git a/target/riscv/csr.c b/target/riscv/csr.c
> index 2dcd4e5b2d..b96db1b62b 100644
> --- a/target/riscv/csr.c
> +++ b/target/riscv/csr.c
> @@ -181,7 +181,9 @@ static RISCVException any32(CPURISCVState *env, int csrno)
>
>  static int aia_any(CPURISCVState *env, int csrno)
>  {
> -    if (!riscv_feature(env, RISCV_FEATURE_AIA)) {
> +    RISCVCPU *cpu = env_archcpu(env);
> +
> +    if (!cpu->cfg.ext_smaia) {
>          return RISCV_EXCP_ILLEGAL_INST;
>      }
>
> @@ -190,7 +192,9 @@ static int aia_any(CPURISCVState *env, int csrno)
>
>  static int aia_any32(CPURISCVState *env, int csrno)
>  {
> -    if (!riscv_feature(env, RISCV_FEATURE_AIA)) {
> +    RISCVCPU *cpu = env_archcpu(env);
> +
> +    if (!cpu->cfg.ext_smaia) {
>          return RISCV_EXCP_ILLEGAL_INST;
>      }
>
> @@ -217,7 +221,9 @@ static int smode32(CPURISCVState *env, int csrno)
>
>  static int aia_smode(CPURISCVState *env, int csrno)
>  {
> -    if (!riscv_feature(env, RISCV_FEATURE_AIA)) {
> +    RISCVCPU *cpu = env_archcpu(env);
> +
> +    if (!cpu->cfg.ext_ssaia) {
>          return RISCV_EXCP_ILLEGAL_INST;
>      }
>
> @@ -226,7 +232,9 @@ static int aia_smode(CPURISCVState *env, int csrno)
>
>  static int aia_smode32(CPURISCVState *env, int csrno)
>  {
> -    if (!riscv_feature(env, RISCV_FEATURE_AIA)) {
> +    RISCVCPU *cpu = env_archcpu(env);
> +
> +    if (!cpu->cfg.ext_ssaia) {
>          return RISCV_EXCP_ILLEGAL_INST;
>      }
>
> @@ -282,7 +290,9 @@ static RISCVException pointer_masking(CPURISCVState *env, int csrno)
>
>  static int aia_hmode(CPURISCVState *env, int csrno)
>  {
> -    if (!riscv_feature(env, RISCV_FEATURE_AIA)) {
> +    RISCVCPU *cpu = env_archcpu(env);
> +
> +    if (!cpu->cfg.ext_ssaia) {
>          return RISCV_EXCP_ILLEGAL_INST;
>       }
>
> @@ -291,7 +301,9 @@ static int aia_hmode(CPURISCVState *env, int csrno)
>
>  static int aia_hmode32(CPURISCVState *env, int csrno)
>  {
> -    if (!riscv_feature(env, RISCV_FEATURE_AIA)) {
> +    RISCVCPU *cpu = env_archcpu(env);
> +
> +    if (!cpu->cfg.ext_ssaia) {
>          return RISCV_EXCP_ILLEGAL_INST;
>      }
>
> --
> 2.34.1
>
>
diff mbox series

Patch

diff --git a/hw/intc/riscv_imsic.c b/hw/intc/riscv_imsic.c
index 8615e4cc1d..4d4d5b50ca 100644
--- a/hw/intc/riscv_imsic.c
+++ b/hw/intc/riscv_imsic.c
@@ -344,9 +344,11 @@  static void riscv_imsic_realize(DeviceState *dev, Error **errp)
 
     /* Force select AIA feature and setup CSR read-modify-write callback */
     if (env) {
-        riscv_set_feature(env, RISCV_FEATURE_AIA);
         if (!imsic->mmode) {
+            rcpu->cfg.ext_ssaia = true;
             riscv_cpu_set_geilen(env, imsic->num_pages - 1);
+        } else {
+            rcpu->cfg.ext_smaia = true;
         }
         riscv_cpu_set_aia_ireg_rmw_fn(env, (imsic->mmode) ? PRV_M : PRV_S,
                                       riscv_imsic_rmw, imsic);
diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c
index e779d399ae..b041b33afc 100644
--- a/hw/riscv/virt.c
+++ b/hw/riscv/virt.c
@@ -261,17 +261,8 @@  static void create_fdt_socket_cpus(RISCVVirtState *s, int socket,
         qemu_fdt_add_subnode(mc->fdt, intc_name);
         qemu_fdt_setprop_cell(mc->fdt, intc_name, "phandle",
             intc_phandles[cpu]);
-        if (riscv_feature(&s->soc[socket].harts[cpu].env,
-                          RISCV_FEATURE_AIA)) {
-            static const char * const compat[2] = {
-                "riscv,cpu-intc-aia", "riscv,cpu-intc"
-            };
-            qemu_fdt_setprop_string_array(mc->fdt, intc_name, "compatible",
-                                      (char **)&compat, ARRAY_SIZE(compat));
-        } else {
-            qemu_fdt_setprop_string(mc->fdt, intc_name, "compatible",
-                "riscv,cpu-intc");
-        }
+        qemu_fdt_setprop_string(mc->fdt, intc_name, "compatible",
+            "riscv,cpu-intc");
         qemu_fdt_setprop(mc->fdt, intc_name, "interrupt-controller", NULL, 0);
         qemu_fdt_setprop_cell(mc->fdt, intc_name, "#interrupt-cells", 1);
 
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index d11113fbaa..3cf0c86661 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -101,6 +101,8 @@  static const struct isa_ext_data isa_edata_arr[] = {
     ISA_EXT_DATA_ENTRY(zve64f, true, PRIV_VERSION_1_12_0, ext_zve64f),
     ISA_EXT_DATA_ENTRY(zhinx, true, PRIV_VERSION_1_12_0, ext_zhinx),
     ISA_EXT_DATA_ENTRY(zhinxmin, true, PRIV_VERSION_1_12_0, ext_zhinxmin),
+    ISA_EXT_DATA_ENTRY(smaia, true, PRIV_VERSION_1_12_0, ext_smaia),
+    ISA_EXT_DATA_ENTRY(ssaia, true, PRIV_VERSION_1_12_0, ext_ssaia),
     ISA_EXT_DATA_ENTRY(sscofpmf, true, PRIV_VERSION_1_12_0, ext_sscofpmf),
     ISA_EXT_DATA_ENTRY(sstc, true, PRIV_VERSION_1_12_0, ext_sstc),
     ISA_EXT_DATA_ENTRY(svinval, true, PRIV_VERSION_1_12_0, ext_svinval),
@@ -669,10 +671,6 @@  static void riscv_cpu_realize(DeviceState *dev, Error **errp)
         }
     }
 
-    if (cpu->cfg.aia) {
-        riscv_set_feature(env, RISCV_FEATURE_AIA);
-    }
-
     if (cpu->cfg.debug) {
         riscv_set_feature(env, RISCV_FEATURE_DEBUG);
     }
@@ -1058,7 +1056,8 @@  static Property riscv_cpu_extensions[] = {
     DEFINE_PROP_BOOL("x-j", RISCVCPU, cfg.ext_j, false),
     /* ePMP 0.9.3 */
     DEFINE_PROP_BOOL("x-epmp", RISCVCPU, cfg.epmp, false),
-    DEFINE_PROP_BOOL("x-aia", RISCVCPU, cfg.aia, false),
+    DEFINE_PROP_BOOL("x-smaia", RISCVCPU, cfg.ext_smaia, false),
+    DEFINE_PROP_BOOL("x-ssaia", RISCVCPU, cfg.ext_ssaia, false),
 
     DEFINE_PROP_END_OF_LIST(),
 };
diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h
index 42edfa4558..15cad73def 100644
--- a/target/riscv/cpu.h
+++ b/target/riscv/cpu.h
@@ -85,7 +85,6 @@  enum {
     RISCV_FEATURE_PMP,
     RISCV_FEATURE_EPMP,
     RISCV_FEATURE_MISA,
-    RISCV_FEATURE_AIA,
     RISCV_FEATURE_DEBUG
 };
 
@@ -452,6 +451,8 @@  struct RISCVCPUConfig {
     bool ext_zve64f;
     bool ext_zmmul;
     bool ext_sscofpmf;
+    bool ext_smaia;
+    bool ext_ssaia;
     bool rvv_ta_all_1s;
     bool rvv_ma_all_1s;
 
@@ -472,7 +473,6 @@  struct RISCVCPUConfig {
     bool mmu;
     bool pmp;
     bool epmp;
-    bool aia;
     bool debug;
     uint64_t resetvec;
 
diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c
index 81948b37dd..67e4c0efd2 100644
--- a/target/riscv/cpu_helper.c
+++ b/target/riscv/cpu_helper.c
@@ -309,6 +309,7 @@  static int riscv_cpu_pending_to_irq(CPURISCVState *env,
                                     int extirq, unsigned int extirq_def_prio,
                                     uint64_t pending, uint8_t *iprio)
 {
+    RISCVCPU *cpu = env_archcpu(env);
     int irq, best_irq = RISCV_EXCP_NONE;
     unsigned int prio, best_prio = UINT_MAX;
 
@@ -317,7 +318,7 @@  static int riscv_cpu_pending_to_irq(CPURISCVState *env,
     }
 
     irq = ctz64(pending);
-    if (!riscv_feature(env, RISCV_FEATURE_AIA)) {
+    if (!((extirq == IRQ_M_EXT) ? cpu->cfg.ext_smaia : cpu->cfg.ext_ssaia)) {
         return irq;
     }
 
diff --git a/target/riscv/csr.c b/target/riscv/csr.c
index 2dcd4e5b2d..b96db1b62b 100644
--- a/target/riscv/csr.c
+++ b/target/riscv/csr.c
@@ -181,7 +181,9 @@  static RISCVException any32(CPURISCVState *env, int csrno)
 
 static int aia_any(CPURISCVState *env, int csrno)
 {
-    if (!riscv_feature(env, RISCV_FEATURE_AIA)) {
+    RISCVCPU *cpu = env_archcpu(env);
+
+    if (!cpu->cfg.ext_smaia) {
         return RISCV_EXCP_ILLEGAL_INST;
     }
 
@@ -190,7 +192,9 @@  static int aia_any(CPURISCVState *env, int csrno)
 
 static int aia_any32(CPURISCVState *env, int csrno)
 {
-    if (!riscv_feature(env, RISCV_FEATURE_AIA)) {
+    RISCVCPU *cpu = env_archcpu(env);
+
+    if (!cpu->cfg.ext_smaia) {
         return RISCV_EXCP_ILLEGAL_INST;
     }
 
@@ -217,7 +221,9 @@  static int smode32(CPURISCVState *env, int csrno)
 
 static int aia_smode(CPURISCVState *env, int csrno)
 {
-    if (!riscv_feature(env, RISCV_FEATURE_AIA)) {
+    RISCVCPU *cpu = env_archcpu(env);
+
+    if (!cpu->cfg.ext_ssaia) {
         return RISCV_EXCP_ILLEGAL_INST;
     }
 
@@ -226,7 +232,9 @@  static int aia_smode(CPURISCVState *env, int csrno)
 
 static int aia_smode32(CPURISCVState *env, int csrno)
 {
-    if (!riscv_feature(env, RISCV_FEATURE_AIA)) {
+    RISCVCPU *cpu = env_archcpu(env);
+
+    if (!cpu->cfg.ext_ssaia) {
         return RISCV_EXCP_ILLEGAL_INST;
     }
 
@@ -282,7 +290,9 @@  static RISCVException pointer_masking(CPURISCVState *env, int csrno)
 
 static int aia_hmode(CPURISCVState *env, int csrno)
 {
-    if (!riscv_feature(env, RISCV_FEATURE_AIA)) {
+    RISCVCPU *cpu = env_archcpu(env);
+
+    if (!cpu->cfg.ext_ssaia) {
         return RISCV_EXCP_ILLEGAL_INST;
      }
 
@@ -291,7 +301,9 @@  static int aia_hmode(CPURISCVState *env, int csrno)
 
 static int aia_hmode32(CPURISCVState *env, int csrno)
 {
-    if (!riscv_feature(env, RISCV_FEATURE_AIA)) {
+    RISCVCPU *cpu = env_archcpu(env);
+
+    if (!cpu->cfg.ext_ssaia) {
         return RISCV_EXCP_ILLEGAL_INST;
     }