diff mbox series

target/riscv: Use RISCVException as return type for all csr ops

Message ID 20240130110844.437-1-zhiwei_liu@linux.alibaba.com
State New
Headers show
Series target/riscv: Use RISCVException as return type for all csr ops | expand

Commit Message

LIU Zhiwei Jan. 30, 2024, 11:08 a.m. UTC
The real return value type has been converted to RISCVException,
but some function declarations still not. This patch makes all
csr operation declarations use RISCVExcetion.

Signed-off-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
---
 target/riscv/csr.c | 117 ++++++++++++++++++++++++++++-----------------
 1 file changed, 74 insertions(+), 43 deletions(-)

Comments

Daniel Henrique Barboza Jan. 31, 2024, 6:52 p.m. UTC | #1
On 1/30/24 08:08, LIU Zhiwei wrote:
> The real return value type has been converted to RISCVException,
> but some function declarations still not. This patch makes all
> csr operation declarations use RISCVExcetion.
> 
> Signed-off-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
> ---

There's a trivial conflict down there due to the vlen->vlenb changes that
got merged recently in riscv-to-apply.next.

As for the patch:

Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>

>   target/riscv/csr.c | 117 ++++++++++++++++++++++++++++-----------------
>   1 file changed, 74 insertions(+), 43 deletions(-)
> 
> diff --git a/target/riscv/csr.c b/target/riscv/csr.c
> index 674ea075a4..ac9a856cc5 100644
> --- a/target/riscv/csr.c
> +++ b/target/riscv/csr.c
> @@ -242,7 +242,7 @@ static RISCVException any32(CPURISCVState *env, int csrno)
>   
>   }
>   
> -static int aia_any(CPURISCVState *env, int csrno)
> +static RISCVException aia_any(CPURISCVState *env, int csrno)
>   {
>       if (!riscv_cpu_cfg(env)->ext_smaia) {
>           return RISCV_EXCP_ILLEGAL_INST;
> @@ -251,7 +251,7 @@ static int aia_any(CPURISCVState *env, int csrno)
>       return any(env, csrno);
>   }
>   
> -static int aia_any32(CPURISCVState *env, int csrno)
> +static RISCVException aia_any32(CPURISCVState *env, int csrno)
>   {
>       if (!riscv_cpu_cfg(env)->ext_smaia) {
>           return RISCV_EXCP_ILLEGAL_INST;
> @@ -269,7 +269,7 @@ static RISCVException smode(CPURISCVState *env, int csrno)
>       return RISCV_EXCP_ILLEGAL_INST;
>   }
>   
> -static int smode32(CPURISCVState *env, int csrno)
> +static RISCVException smode32(CPURISCVState *env, int csrno)
>   {
>       if (riscv_cpu_mxl(env) != MXL_RV32) {
>           return RISCV_EXCP_ILLEGAL_INST;
> @@ -278,7 +278,7 @@ static int smode32(CPURISCVState *env, int csrno)
>       return smode(env, csrno);
>   }
>   
> -static int aia_smode(CPURISCVState *env, int csrno)
> +static RISCVException aia_smode(CPURISCVState *env, int csrno)
>   {
>       if (!riscv_cpu_cfg(env)->ext_ssaia) {
>           return RISCV_EXCP_ILLEGAL_INST;
> @@ -287,7 +287,7 @@ static int aia_smode(CPURISCVState *env, int csrno)
>       return smode(env, csrno);
>   }
>   
> -static int aia_smode32(CPURISCVState *env, int csrno)
> +static RISCVException aia_smode32(CPURISCVState *env, int csrno)
>   {
>       if (!riscv_cpu_cfg(env)->ext_ssaia) {
>           return RISCV_EXCP_ILLEGAL_INST;
> @@ -496,7 +496,7 @@ static RISCVException pointer_masking(CPURISCVState *env, int csrno)
>       return RISCV_EXCP_ILLEGAL_INST;
>   }
>   
> -static int aia_hmode(CPURISCVState *env, int csrno)
> +static RISCVException aia_hmode(CPURISCVState *env, int csrno)
>   {
>       if (!riscv_cpu_cfg(env)->ext_ssaia) {
>           return RISCV_EXCP_ILLEGAL_INST;
> @@ -505,7 +505,7 @@ static int aia_hmode(CPURISCVState *env, int csrno)
>        return hmode(env, csrno);
>   }
>   
> -static int aia_hmode32(CPURISCVState *env, int csrno)
> +static RISCVException aia_hmode32(CPURISCVState *env, int csrno)
>   {
>       if (!riscv_cpu_cfg(env)->ext_ssaia) {
>           return RISCV_EXCP_ILLEGAL_INST;
> @@ -681,7 +681,8 @@ static RISCVException read_vl(CPURISCVState *env, int csrno,
>       return RISCV_EXCP_NONE;
>   }
>   
> -static int read_vlenb(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_vlenb(CPURISCVState *env, int csrno,
> +                                 target_ulong *val)
>   {
>       *val = riscv_cpu_cfg(env)->vlen >> 3;
>       return RISCV_EXCP_NONE;
> @@ -742,13 +743,15 @@ static RISCVException write_vstart(CPURISCVState *env, int csrno,
>       return RISCV_EXCP_NONE;
>   }
>   
> -static int read_vcsr(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_vcsr(CPURISCVState *env, int csrno,
> +                                target_ulong *val)
>   {
>       *val = (env->vxrm << VCSR_VXRM_SHIFT) | (env->vxsat << VCSR_VXSAT_SHIFT);
>       return RISCV_EXCP_NONE;
>   }
>   
> -static int write_vcsr(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_vcsr(CPURISCVState *env, int csrno,
> +                                 target_ulong val)
>   {
>   #if !defined(CONFIG_USER_ONLY)
>       env->mstatus |= MSTATUS_VS;
> @@ -798,13 +801,15 @@ static RISCVException read_timeh(CPURISCVState *env, int csrno,
>       return RISCV_EXCP_NONE;
>   }
>   
> -static int read_hpmcounter(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_hpmcounter(CPURISCVState *env, int csrno,
> +                                      target_ulong *val)
>   {
>       *val = get_ticks(false);
>       return RISCV_EXCP_NONE;
>   }
>   
> -static int read_hpmcounterh(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_hpmcounterh(CPURISCVState *env, int csrno,
> +                                       target_ulong *val)
>   {
>       *val = get_ticks(true);
>       return RISCV_EXCP_NONE;
> @@ -812,7 +817,8 @@ static int read_hpmcounterh(CPURISCVState *env, int csrno, target_ulong *val)
>   
>   #else /* CONFIG_USER_ONLY */
>   
> -static int read_mhpmevent(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_mhpmevent(CPURISCVState *env, int csrno,
> +                                     target_ulong *val)
>   {
>       int evt_index = csrno - CSR_MCOUNTINHIBIT;
>   
> @@ -821,7 +827,8 @@ static int read_mhpmevent(CPURISCVState *env, int csrno, target_ulong *val)
>       return RISCV_EXCP_NONE;
>   }
>   
> -static int write_mhpmevent(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_mhpmevent(CPURISCVState *env, int csrno,
> +                                      target_ulong val)
>   {
>       int evt_index = csrno - CSR_MCOUNTINHIBIT;
>       uint64_t mhpmevt_val = val;
> @@ -837,7 +844,8 @@ static int write_mhpmevent(CPURISCVState *env, int csrno, target_ulong val)
>       return RISCV_EXCP_NONE;
>   }
>   
> -static int read_mhpmeventh(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_mhpmeventh(CPURISCVState *env, int csrno,
> +                                      target_ulong *val)
>   {
>       int evt_index = csrno - CSR_MHPMEVENT3H + 3;
>   
> @@ -846,7 +854,8 @@ static int read_mhpmeventh(CPURISCVState *env, int csrno, target_ulong *val)
>       return RISCV_EXCP_NONE;
>   }
>   
> -static int write_mhpmeventh(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_mhpmeventh(CPURISCVState *env, int csrno,
> +                                       target_ulong val)
>   {
>       int evt_index = csrno - CSR_MHPMEVENT3H + 3;
>       uint64_t mhpmevth_val = val;
> @@ -860,7 +869,8 @@ static int write_mhpmeventh(CPURISCVState *env, int csrno, target_ulong val)
>       return RISCV_EXCP_NONE;
>   }
>   
> -static int write_mhpmcounter(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_mhpmcounter(CPURISCVState *env, int csrno,
> +                                        target_ulong val)
>   {
>       int ctr_idx = csrno - CSR_MCYCLE;
>       PMUCTRState *counter = &env->pmu_ctrs[ctr_idx];
> @@ -885,7 +895,8 @@ static int write_mhpmcounter(CPURISCVState *env, int csrno, target_ulong val)
>       return RISCV_EXCP_NONE;
>   }
>   
> -static int write_mhpmcounterh(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_mhpmcounterh(CPURISCVState *env, int csrno,
> +                                         target_ulong val)
>   {
>       int ctr_idx = csrno - CSR_MCYCLEH;
>       PMUCTRState *counter = &env->pmu_ctrs[ctr_idx];
> @@ -945,7 +956,8 @@ static RISCVException riscv_pmu_read_ctr(CPURISCVState *env, target_ulong *val,
>       return RISCV_EXCP_NONE;
>   }
>   
> -static int read_hpmcounter(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_hpmcounter(CPURISCVState *env, int csrno,
> +                                      target_ulong *val)
>   {
>       uint16_t ctr_index;
>   
> @@ -960,7 +972,8 @@ static int read_hpmcounter(CPURISCVState *env, int csrno, target_ulong *val)
>       return riscv_pmu_read_ctr(env, val, false, ctr_index);
>   }
>   
> -static int read_hpmcounterh(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_hpmcounterh(CPURISCVState *env, int csrno,
> +                                       target_ulong *val)
>   {
>       uint16_t ctr_index;
>   
> @@ -975,7 +988,8 @@ static int read_hpmcounterh(CPURISCVState *env, int csrno, target_ulong *val)
>       return riscv_pmu_read_ctr(env, val, true, ctr_index);
>   }
>   
> -static int read_scountovf(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_scountovf(CPURISCVState *env, int csrno,
> +                                     target_ulong *val)
>   {
>       int mhpmevt_start = CSR_MHPMEVENT3 - CSR_MCOUNTINHIBIT;
>       int i;
> @@ -1638,7 +1652,8 @@ static RISCVException rmw_mvienh(CPURISCVState *env, int csrno,
>       return ret;
>   }
>   
> -static int read_mtopi(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_mtopi(CPURISCVState *env, int csrno,
> +                                 target_ulong *val)
>   {
>       int irq;
>       uint8_t iprio;
> @@ -1678,8 +1693,9 @@ static int aia_xlate_vs_csrno(CPURISCVState *env, int csrno)
>       };
>   }
>   
> -static int rmw_xiselect(CPURISCVState *env, int csrno, target_ulong *val,
> -                        target_ulong new_val, target_ulong wr_mask)
> +static RISCVException rmw_xiselect(CPURISCVState *env, int csrno,
> +                                   target_ulong *val, target_ulong new_val,
> +                                   target_ulong wr_mask)
>   {
>       target_ulong *iselect;
>   
> @@ -1758,8 +1774,9 @@ static int rmw_iprio(target_ulong xlen,
>       return 0;
>   }
>   
> -static int rmw_xireg(CPURISCVState *env, int csrno, target_ulong *val,
> -                     target_ulong new_val, target_ulong wr_mask)
> +static RISCVException rmw_xireg(CPURISCVState *env, int csrno,
> +                                target_ulong *val, target_ulong new_val,
> +                                target_ulong wr_mask)
>   {
>       bool virt, isel_reserved;
>       uint8_t *iprio;
> @@ -1833,8 +1850,9 @@ done:
>       return RISCV_EXCP_NONE;
>   }
>   
> -static int rmw_xtopei(CPURISCVState *env, int csrno, target_ulong *val,
> -                      target_ulong new_val, target_ulong wr_mask)
> +static RISCVException rmw_xtopei(CPURISCVState *env, int csrno,
> +                                 target_ulong *val, target_ulong new_val,
> +                                 target_ulong wr_mask)
>   {
>       bool virt;
>       int ret = -EINVAL;
> @@ -3031,7 +3049,8 @@ static RISCVException write_satp(CPURISCVState *env, int csrno,
>       return RISCV_EXCP_NONE;
>   }
>   
> -static int read_vstopi(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_vstopi(CPURISCVState *env, int csrno,
> +                                  target_ulong *val)
>   {
>       int irq, ret;
>       target_ulong topei;
> @@ -3120,7 +3139,8 @@ static int read_vstopi(CPURISCVState *env, int csrno, target_ulong *val)
>       return RISCV_EXCP_NONE;
>   }
>   
> -static int read_stopi(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_stopi(CPURISCVState *env, int csrno,
> +                                 target_ulong *val)
>   {
>       int irq;
>       uint8_t iprio;
> @@ -3576,19 +3596,21 @@ static RISCVException write_htimedeltah(CPURISCVState *env, int csrno,
>       return RISCV_EXCP_NONE;
>   }
>   
> -static int read_hvictl(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_hvictl(CPURISCVState *env, int csrno,
> +                                  target_ulong *val)
>   {
>       *val = env->hvictl;
>       return RISCV_EXCP_NONE;
>   }
>   
> -static int write_hvictl(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_hvictl(CPURISCVState *env, int csrno,
> +                                   target_ulong val)
>   {
>       env->hvictl = val & HVICTL_VALID_MASK;
>       return RISCV_EXCP_NONE;
>   }
>   
> -static int read_hvipriox(CPURISCVState *env, int first_index,
> +static RISCVException read_hvipriox(CPURISCVState *env, int first_index,
>                            uint8_t *iprio, target_ulong *val)
>   {
>       int i, irq, rdzero, num_irqs = 4 * (riscv_cpu_mxl_bits(env) / 32);
> @@ -3614,7 +3636,7 @@ static int read_hvipriox(CPURISCVState *env, int first_index,
>       return RISCV_EXCP_NONE;
>   }
>   
> -static int write_hvipriox(CPURISCVState *env, int first_index,
> +static RISCVException write_hvipriox(CPURISCVState *env, int first_index,
>                             uint8_t *iprio, target_ulong val)
>   {
>       int i, irq, rdzero, num_irqs = 4 * (riscv_cpu_mxl_bits(env) / 32);
> @@ -3640,42 +3662,50 @@ static int write_hvipriox(CPURISCVState *env, int first_index,
>       return RISCV_EXCP_NONE;
>   }
>   
> -static int read_hviprio1(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_hviprio1(CPURISCVState *env, int csrno,
> +                                    target_ulong *val)
>   {
>       return read_hvipriox(env, 0, env->hviprio, val);
>   }
>   
> -static int write_hviprio1(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_hviprio1(CPURISCVState *env, int csrno,
> +                                     target_ulong val)
>   {
>       return write_hvipriox(env, 0, env->hviprio, val);
>   }
>   
> -static int read_hviprio1h(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_hviprio1h(CPURISCVState *env, int csrno,
> +                                     target_ulong *val)
>   {
>       return read_hvipriox(env, 4, env->hviprio, val);
>   }
>   
> -static int write_hviprio1h(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_hviprio1h(CPURISCVState *env, int csrno,
> +                                      target_ulong val)
>   {
>       return write_hvipriox(env, 4, env->hviprio, val);
>   }
>   
> -static int read_hviprio2(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_hviprio2(CPURISCVState *env, int csrno,
> +                                    target_ulong *val)
>   {
>       return read_hvipriox(env, 8, env->hviprio, val);
>   }
>   
> -static int write_hviprio2(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_hviprio2(CPURISCVState *env, int csrno,
> +                                     target_ulong val)
>   {
>       return write_hvipriox(env, 8, env->hviprio, val);
>   }
>   
> -static int read_hviprio2h(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_hviprio2h(CPURISCVState *env, int csrno,
> +                                     target_ulong *val)
>   {
>       return read_hvipriox(env, 12, env->hviprio, val);
>   }
>   
> -static int write_hviprio2h(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_hviprio2h(CPURISCVState *env, int csrno,
> +                                      target_ulong val)
>   {
>       return write_hvipriox(env, 12, env->hviprio, val);
>   }
> @@ -3699,7 +3729,8 @@ static RISCVException write_vsstatus(CPURISCVState *env, int csrno,
>       return RISCV_EXCP_NONE;
>   }
>   
> -static int read_vstvec(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_vstvec(CPURISCVState *env, int csrno,
> +                                  target_ulong *val)
>   {
>       *val = env->vstvec;
>       return RISCV_EXCP_NONE;
Alistair Francis Feb. 5, 2024, 12:22 a.m. UTC | #2
On Tue, Jan 30, 2024 at 10:49 PM LIU Zhiwei
<zhiwei_liu@linux.alibaba.com> wrote:
>
> The real return value type has been converted to RISCVException,
> but some function declarations still not. This patch makes all
> csr operation declarations use RISCVExcetion.
>
> Signed-off-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>

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

Alistair

> ---
>  target/riscv/csr.c | 117 ++++++++++++++++++++++++++++-----------------
>  1 file changed, 74 insertions(+), 43 deletions(-)
>
> diff --git a/target/riscv/csr.c b/target/riscv/csr.c
> index 674ea075a4..ac9a856cc5 100644
> --- a/target/riscv/csr.c
> +++ b/target/riscv/csr.c
> @@ -242,7 +242,7 @@ static RISCVException any32(CPURISCVState *env, int csrno)
>
>  }
>
> -static int aia_any(CPURISCVState *env, int csrno)
> +static RISCVException aia_any(CPURISCVState *env, int csrno)
>  {
>      if (!riscv_cpu_cfg(env)->ext_smaia) {
>          return RISCV_EXCP_ILLEGAL_INST;
> @@ -251,7 +251,7 @@ static int aia_any(CPURISCVState *env, int csrno)
>      return any(env, csrno);
>  }
>
> -static int aia_any32(CPURISCVState *env, int csrno)
> +static RISCVException aia_any32(CPURISCVState *env, int csrno)
>  {
>      if (!riscv_cpu_cfg(env)->ext_smaia) {
>          return RISCV_EXCP_ILLEGAL_INST;
> @@ -269,7 +269,7 @@ static RISCVException smode(CPURISCVState *env, int csrno)
>      return RISCV_EXCP_ILLEGAL_INST;
>  }
>
> -static int smode32(CPURISCVState *env, int csrno)
> +static RISCVException smode32(CPURISCVState *env, int csrno)
>  {
>      if (riscv_cpu_mxl(env) != MXL_RV32) {
>          return RISCV_EXCP_ILLEGAL_INST;
> @@ -278,7 +278,7 @@ static int smode32(CPURISCVState *env, int csrno)
>      return smode(env, csrno);
>  }
>
> -static int aia_smode(CPURISCVState *env, int csrno)
> +static RISCVException aia_smode(CPURISCVState *env, int csrno)
>  {
>      if (!riscv_cpu_cfg(env)->ext_ssaia) {
>          return RISCV_EXCP_ILLEGAL_INST;
> @@ -287,7 +287,7 @@ static int aia_smode(CPURISCVState *env, int csrno)
>      return smode(env, csrno);
>  }
>
> -static int aia_smode32(CPURISCVState *env, int csrno)
> +static RISCVException aia_smode32(CPURISCVState *env, int csrno)
>  {
>      if (!riscv_cpu_cfg(env)->ext_ssaia) {
>          return RISCV_EXCP_ILLEGAL_INST;
> @@ -496,7 +496,7 @@ static RISCVException pointer_masking(CPURISCVState *env, int csrno)
>      return RISCV_EXCP_ILLEGAL_INST;
>  }
>
> -static int aia_hmode(CPURISCVState *env, int csrno)
> +static RISCVException aia_hmode(CPURISCVState *env, int csrno)
>  {
>      if (!riscv_cpu_cfg(env)->ext_ssaia) {
>          return RISCV_EXCP_ILLEGAL_INST;
> @@ -505,7 +505,7 @@ static int aia_hmode(CPURISCVState *env, int csrno)
>       return hmode(env, csrno);
>  }
>
> -static int aia_hmode32(CPURISCVState *env, int csrno)
> +static RISCVException aia_hmode32(CPURISCVState *env, int csrno)
>  {
>      if (!riscv_cpu_cfg(env)->ext_ssaia) {
>          return RISCV_EXCP_ILLEGAL_INST;
> @@ -681,7 +681,8 @@ static RISCVException read_vl(CPURISCVState *env, int csrno,
>      return RISCV_EXCP_NONE;
>  }
>
> -static int read_vlenb(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_vlenb(CPURISCVState *env, int csrno,
> +                                 target_ulong *val)
>  {
>      *val = riscv_cpu_cfg(env)->vlen >> 3;
>      return RISCV_EXCP_NONE;
> @@ -742,13 +743,15 @@ static RISCVException write_vstart(CPURISCVState *env, int csrno,
>      return RISCV_EXCP_NONE;
>  }
>
> -static int read_vcsr(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_vcsr(CPURISCVState *env, int csrno,
> +                                target_ulong *val)
>  {
>      *val = (env->vxrm << VCSR_VXRM_SHIFT) | (env->vxsat << VCSR_VXSAT_SHIFT);
>      return RISCV_EXCP_NONE;
>  }
>
> -static int write_vcsr(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_vcsr(CPURISCVState *env, int csrno,
> +                                 target_ulong val)
>  {
>  #if !defined(CONFIG_USER_ONLY)
>      env->mstatus |= MSTATUS_VS;
> @@ -798,13 +801,15 @@ static RISCVException read_timeh(CPURISCVState *env, int csrno,
>      return RISCV_EXCP_NONE;
>  }
>
> -static int read_hpmcounter(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_hpmcounter(CPURISCVState *env, int csrno,
> +                                      target_ulong *val)
>  {
>      *val = get_ticks(false);
>      return RISCV_EXCP_NONE;
>  }
>
> -static int read_hpmcounterh(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_hpmcounterh(CPURISCVState *env, int csrno,
> +                                       target_ulong *val)
>  {
>      *val = get_ticks(true);
>      return RISCV_EXCP_NONE;
> @@ -812,7 +817,8 @@ static int read_hpmcounterh(CPURISCVState *env, int csrno, target_ulong *val)
>
>  #else /* CONFIG_USER_ONLY */
>
> -static int read_mhpmevent(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_mhpmevent(CPURISCVState *env, int csrno,
> +                                     target_ulong *val)
>  {
>      int evt_index = csrno - CSR_MCOUNTINHIBIT;
>
> @@ -821,7 +827,8 @@ static int read_mhpmevent(CPURISCVState *env, int csrno, target_ulong *val)
>      return RISCV_EXCP_NONE;
>  }
>
> -static int write_mhpmevent(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_mhpmevent(CPURISCVState *env, int csrno,
> +                                      target_ulong val)
>  {
>      int evt_index = csrno - CSR_MCOUNTINHIBIT;
>      uint64_t mhpmevt_val = val;
> @@ -837,7 +844,8 @@ static int write_mhpmevent(CPURISCVState *env, int csrno, target_ulong val)
>      return RISCV_EXCP_NONE;
>  }
>
> -static int read_mhpmeventh(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_mhpmeventh(CPURISCVState *env, int csrno,
> +                                      target_ulong *val)
>  {
>      int evt_index = csrno - CSR_MHPMEVENT3H + 3;
>
> @@ -846,7 +854,8 @@ static int read_mhpmeventh(CPURISCVState *env, int csrno, target_ulong *val)
>      return RISCV_EXCP_NONE;
>  }
>
> -static int write_mhpmeventh(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_mhpmeventh(CPURISCVState *env, int csrno,
> +                                       target_ulong val)
>  {
>      int evt_index = csrno - CSR_MHPMEVENT3H + 3;
>      uint64_t mhpmevth_val = val;
> @@ -860,7 +869,8 @@ static int write_mhpmeventh(CPURISCVState *env, int csrno, target_ulong val)
>      return RISCV_EXCP_NONE;
>  }
>
> -static int write_mhpmcounter(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_mhpmcounter(CPURISCVState *env, int csrno,
> +                                        target_ulong val)
>  {
>      int ctr_idx = csrno - CSR_MCYCLE;
>      PMUCTRState *counter = &env->pmu_ctrs[ctr_idx];
> @@ -885,7 +895,8 @@ static int write_mhpmcounter(CPURISCVState *env, int csrno, target_ulong val)
>      return RISCV_EXCP_NONE;
>  }
>
> -static int write_mhpmcounterh(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_mhpmcounterh(CPURISCVState *env, int csrno,
> +                                         target_ulong val)
>  {
>      int ctr_idx = csrno - CSR_MCYCLEH;
>      PMUCTRState *counter = &env->pmu_ctrs[ctr_idx];
> @@ -945,7 +956,8 @@ static RISCVException riscv_pmu_read_ctr(CPURISCVState *env, target_ulong *val,
>      return RISCV_EXCP_NONE;
>  }
>
> -static int read_hpmcounter(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_hpmcounter(CPURISCVState *env, int csrno,
> +                                      target_ulong *val)
>  {
>      uint16_t ctr_index;
>
> @@ -960,7 +972,8 @@ static int read_hpmcounter(CPURISCVState *env, int csrno, target_ulong *val)
>      return riscv_pmu_read_ctr(env, val, false, ctr_index);
>  }
>
> -static int read_hpmcounterh(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_hpmcounterh(CPURISCVState *env, int csrno,
> +                                       target_ulong *val)
>  {
>      uint16_t ctr_index;
>
> @@ -975,7 +988,8 @@ static int read_hpmcounterh(CPURISCVState *env, int csrno, target_ulong *val)
>      return riscv_pmu_read_ctr(env, val, true, ctr_index);
>  }
>
> -static int read_scountovf(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_scountovf(CPURISCVState *env, int csrno,
> +                                     target_ulong *val)
>  {
>      int mhpmevt_start = CSR_MHPMEVENT3 - CSR_MCOUNTINHIBIT;
>      int i;
> @@ -1638,7 +1652,8 @@ static RISCVException rmw_mvienh(CPURISCVState *env, int csrno,
>      return ret;
>  }
>
> -static int read_mtopi(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_mtopi(CPURISCVState *env, int csrno,
> +                                 target_ulong *val)
>  {
>      int irq;
>      uint8_t iprio;
> @@ -1678,8 +1693,9 @@ static int aia_xlate_vs_csrno(CPURISCVState *env, int csrno)
>      };
>  }
>
> -static int rmw_xiselect(CPURISCVState *env, int csrno, target_ulong *val,
> -                        target_ulong new_val, target_ulong wr_mask)
> +static RISCVException rmw_xiselect(CPURISCVState *env, int csrno,
> +                                   target_ulong *val, target_ulong new_val,
> +                                   target_ulong wr_mask)
>  {
>      target_ulong *iselect;
>
> @@ -1758,8 +1774,9 @@ static int rmw_iprio(target_ulong xlen,
>      return 0;
>  }
>
> -static int rmw_xireg(CPURISCVState *env, int csrno, target_ulong *val,
> -                     target_ulong new_val, target_ulong wr_mask)
> +static RISCVException rmw_xireg(CPURISCVState *env, int csrno,
> +                                target_ulong *val, target_ulong new_val,
> +                                target_ulong wr_mask)
>  {
>      bool virt, isel_reserved;
>      uint8_t *iprio;
> @@ -1833,8 +1850,9 @@ done:
>      return RISCV_EXCP_NONE;
>  }
>
> -static int rmw_xtopei(CPURISCVState *env, int csrno, target_ulong *val,
> -                      target_ulong new_val, target_ulong wr_mask)
> +static RISCVException rmw_xtopei(CPURISCVState *env, int csrno,
> +                                 target_ulong *val, target_ulong new_val,
> +                                 target_ulong wr_mask)
>  {
>      bool virt;
>      int ret = -EINVAL;
> @@ -3031,7 +3049,8 @@ static RISCVException write_satp(CPURISCVState *env, int csrno,
>      return RISCV_EXCP_NONE;
>  }
>
> -static int read_vstopi(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_vstopi(CPURISCVState *env, int csrno,
> +                                  target_ulong *val)
>  {
>      int irq, ret;
>      target_ulong topei;
> @@ -3120,7 +3139,8 @@ static int read_vstopi(CPURISCVState *env, int csrno, target_ulong *val)
>      return RISCV_EXCP_NONE;
>  }
>
> -static int read_stopi(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_stopi(CPURISCVState *env, int csrno,
> +                                 target_ulong *val)
>  {
>      int irq;
>      uint8_t iprio;
> @@ -3576,19 +3596,21 @@ static RISCVException write_htimedeltah(CPURISCVState *env, int csrno,
>      return RISCV_EXCP_NONE;
>  }
>
> -static int read_hvictl(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_hvictl(CPURISCVState *env, int csrno,
> +                                  target_ulong *val)
>  {
>      *val = env->hvictl;
>      return RISCV_EXCP_NONE;
>  }
>
> -static int write_hvictl(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_hvictl(CPURISCVState *env, int csrno,
> +                                   target_ulong val)
>  {
>      env->hvictl = val & HVICTL_VALID_MASK;
>      return RISCV_EXCP_NONE;
>  }
>
> -static int read_hvipriox(CPURISCVState *env, int first_index,
> +static RISCVException read_hvipriox(CPURISCVState *env, int first_index,
>                           uint8_t *iprio, target_ulong *val)
>  {
>      int i, irq, rdzero, num_irqs = 4 * (riscv_cpu_mxl_bits(env) / 32);
> @@ -3614,7 +3636,7 @@ static int read_hvipriox(CPURISCVState *env, int first_index,
>      return RISCV_EXCP_NONE;
>  }
>
> -static int write_hvipriox(CPURISCVState *env, int first_index,
> +static RISCVException write_hvipriox(CPURISCVState *env, int first_index,
>                            uint8_t *iprio, target_ulong val)
>  {
>      int i, irq, rdzero, num_irqs = 4 * (riscv_cpu_mxl_bits(env) / 32);
> @@ -3640,42 +3662,50 @@ static int write_hvipriox(CPURISCVState *env, int first_index,
>      return RISCV_EXCP_NONE;
>  }
>
> -static int read_hviprio1(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_hviprio1(CPURISCVState *env, int csrno,
> +                                    target_ulong *val)
>  {
>      return read_hvipriox(env, 0, env->hviprio, val);
>  }
>
> -static int write_hviprio1(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_hviprio1(CPURISCVState *env, int csrno,
> +                                     target_ulong val)
>  {
>      return write_hvipriox(env, 0, env->hviprio, val);
>  }
>
> -static int read_hviprio1h(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_hviprio1h(CPURISCVState *env, int csrno,
> +                                     target_ulong *val)
>  {
>      return read_hvipriox(env, 4, env->hviprio, val);
>  }
>
> -static int write_hviprio1h(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_hviprio1h(CPURISCVState *env, int csrno,
> +                                      target_ulong val)
>  {
>      return write_hvipriox(env, 4, env->hviprio, val);
>  }
>
> -static int read_hviprio2(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_hviprio2(CPURISCVState *env, int csrno,
> +                                    target_ulong *val)
>  {
>      return read_hvipriox(env, 8, env->hviprio, val);
>  }
>
> -static int write_hviprio2(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_hviprio2(CPURISCVState *env, int csrno,
> +                                     target_ulong val)
>  {
>      return write_hvipriox(env, 8, env->hviprio, val);
>  }
>
> -static int read_hviprio2h(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_hviprio2h(CPURISCVState *env, int csrno,
> +                                     target_ulong *val)
>  {
>      return read_hvipriox(env, 12, env->hviprio, val);
>  }
>
> -static int write_hviprio2h(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_hviprio2h(CPURISCVState *env, int csrno,
> +                                      target_ulong val)
>  {
>      return write_hvipriox(env, 12, env->hviprio, val);
>  }
> @@ -3699,7 +3729,8 @@ static RISCVException write_vsstatus(CPURISCVState *env, int csrno,
>      return RISCV_EXCP_NONE;
>  }
>
> -static int read_vstvec(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_vstvec(CPURISCVState *env, int csrno,
> +                                  target_ulong *val)
>  {
>      *val = env->vstvec;
>      return RISCV_EXCP_NONE;
> --
> 2.25.1
>
>
Alistair Francis Feb. 5, 2024, 2:33 a.m. UTC | #3
On Tue, Jan 30, 2024 at 10:49 PM LIU Zhiwei
<zhiwei_liu@linux.alibaba.com> wrote:
>
> The real return value type has been converted to RISCVException,
> but some function declarations still not. This patch makes all
> csr operation declarations use RISCVExcetion.
>
> Signed-off-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>

Thanks!

Applied to riscv-to-apply.next

Alistair

> ---
>  target/riscv/csr.c | 117 ++++++++++++++++++++++++++++-----------------
>  1 file changed, 74 insertions(+), 43 deletions(-)
>
> diff --git a/target/riscv/csr.c b/target/riscv/csr.c
> index 674ea075a4..ac9a856cc5 100644
> --- a/target/riscv/csr.c
> +++ b/target/riscv/csr.c
> @@ -242,7 +242,7 @@ static RISCVException any32(CPURISCVState *env, int csrno)
>
>  }
>
> -static int aia_any(CPURISCVState *env, int csrno)
> +static RISCVException aia_any(CPURISCVState *env, int csrno)
>  {
>      if (!riscv_cpu_cfg(env)->ext_smaia) {
>          return RISCV_EXCP_ILLEGAL_INST;
> @@ -251,7 +251,7 @@ static int aia_any(CPURISCVState *env, int csrno)
>      return any(env, csrno);
>  }
>
> -static int aia_any32(CPURISCVState *env, int csrno)
> +static RISCVException aia_any32(CPURISCVState *env, int csrno)
>  {
>      if (!riscv_cpu_cfg(env)->ext_smaia) {
>          return RISCV_EXCP_ILLEGAL_INST;
> @@ -269,7 +269,7 @@ static RISCVException smode(CPURISCVState *env, int csrno)
>      return RISCV_EXCP_ILLEGAL_INST;
>  }
>
> -static int smode32(CPURISCVState *env, int csrno)
> +static RISCVException smode32(CPURISCVState *env, int csrno)
>  {
>      if (riscv_cpu_mxl(env) != MXL_RV32) {
>          return RISCV_EXCP_ILLEGAL_INST;
> @@ -278,7 +278,7 @@ static int smode32(CPURISCVState *env, int csrno)
>      return smode(env, csrno);
>  }
>
> -static int aia_smode(CPURISCVState *env, int csrno)
> +static RISCVException aia_smode(CPURISCVState *env, int csrno)
>  {
>      if (!riscv_cpu_cfg(env)->ext_ssaia) {
>          return RISCV_EXCP_ILLEGAL_INST;
> @@ -287,7 +287,7 @@ static int aia_smode(CPURISCVState *env, int csrno)
>      return smode(env, csrno);
>  }
>
> -static int aia_smode32(CPURISCVState *env, int csrno)
> +static RISCVException aia_smode32(CPURISCVState *env, int csrno)
>  {
>      if (!riscv_cpu_cfg(env)->ext_ssaia) {
>          return RISCV_EXCP_ILLEGAL_INST;
> @@ -496,7 +496,7 @@ static RISCVException pointer_masking(CPURISCVState *env, int csrno)
>      return RISCV_EXCP_ILLEGAL_INST;
>  }
>
> -static int aia_hmode(CPURISCVState *env, int csrno)
> +static RISCVException aia_hmode(CPURISCVState *env, int csrno)
>  {
>      if (!riscv_cpu_cfg(env)->ext_ssaia) {
>          return RISCV_EXCP_ILLEGAL_INST;
> @@ -505,7 +505,7 @@ static int aia_hmode(CPURISCVState *env, int csrno)
>       return hmode(env, csrno);
>  }
>
> -static int aia_hmode32(CPURISCVState *env, int csrno)
> +static RISCVException aia_hmode32(CPURISCVState *env, int csrno)
>  {
>      if (!riscv_cpu_cfg(env)->ext_ssaia) {
>          return RISCV_EXCP_ILLEGAL_INST;
> @@ -681,7 +681,8 @@ static RISCVException read_vl(CPURISCVState *env, int csrno,
>      return RISCV_EXCP_NONE;
>  }
>
> -static int read_vlenb(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_vlenb(CPURISCVState *env, int csrno,
> +                                 target_ulong *val)
>  {
>      *val = riscv_cpu_cfg(env)->vlen >> 3;
>      return RISCV_EXCP_NONE;
> @@ -742,13 +743,15 @@ static RISCVException write_vstart(CPURISCVState *env, int csrno,
>      return RISCV_EXCP_NONE;
>  }
>
> -static int read_vcsr(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_vcsr(CPURISCVState *env, int csrno,
> +                                target_ulong *val)
>  {
>      *val = (env->vxrm << VCSR_VXRM_SHIFT) | (env->vxsat << VCSR_VXSAT_SHIFT);
>      return RISCV_EXCP_NONE;
>  }
>
> -static int write_vcsr(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_vcsr(CPURISCVState *env, int csrno,
> +                                 target_ulong val)
>  {
>  #if !defined(CONFIG_USER_ONLY)
>      env->mstatus |= MSTATUS_VS;
> @@ -798,13 +801,15 @@ static RISCVException read_timeh(CPURISCVState *env, int csrno,
>      return RISCV_EXCP_NONE;
>  }
>
> -static int read_hpmcounter(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_hpmcounter(CPURISCVState *env, int csrno,
> +                                      target_ulong *val)
>  {
>      *val = get_ticks(false);
>      return RISCV_EXCP_NONE;
>  }
>
> -static int read_hpmcounterh(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_hpmcounterh(CPURISCVState *env, int csrno,
> +                                       target_ulong *val)
>  {
>      *val = get_ticks(true);
>      return RISCV_EXCP_NONE;
> @@ -812,7 +817,8 @@ static int read_hpmcounterh(CPURISCVState *env, int csrno, target_ulong *val)
>
>  #else /* CONFIG_USER_ONLY */
>
> -static int read_mhpmevent(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_mhpmevent(CPURISCVState *env, int csrno,
> +                                     target_ulong *val)
>  {
>      int evt_index = csrno - CSR_MCOUNTINHIBIT;
>
> @@ -821,7 +827,8 @@ static int read_mhpmevent(CPURISCVState *env, int csrno, target_ulong *val)
>      return RISCV_EXCP_NONE;
>  }
>
> -static int write_mhpmevent(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_mhpmevent(CPURISCVState *env, int csrno,
> +                                      target_ulong val)
>  {
>      int evt_index = csrno - CSR_MCOUNTINHIBIT;
>      uint64_t mhpmevt_val = val;
> @@ -837,7 +844,8 @@ static int write_mhpmevent(CPURISCVState *env, int csrno, target_ulong val)
>      return RISCV_EXCP_NONE;
>  }
>
> -static int read_mhpmeventh(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_mhpmeventh(CPURISCVState *env, int csrno,
> +                                      target_ulong *val)
>  {
>      int evt_index = csrno - CSR_MHPMEVENT3H + 3;
>
> @@ -846,7 +854,8 @@ static int read_mhpmeventh(CPURISCVState *env, int csrno, target_ulong *val)
>      return RISCV_EXCP_NONE;
>  }
>
> -static int write_mhpmeventh(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_mhpmeventh(CPURISCVState *env, int csrno,
> +                                       target_ulong val)
>  {
>      int evt_index = csrno - CSR_MHPMEVENT3H + 3;
>      uint64_t mhpmevth_val = val;
> @@ -860,7 +869,8 @@ static int write_mhpmeventh(CPURISCVState *env, int csrno, target_ulong val)
>      return RISCV_EXCP_NONE;
>  }
>
> -static int write_mhpmcounter(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_mhpmcounter(CPURISCVState *env, int csrno,
> +                                        target_ulong val)
>  {
>      int ctr_idx = csrno - CSR_MCYCLE;
>      PMUCTRState *counter = &env->pmu_ctrs[ctr_idx];
> @@ -885,7 +895,8 @@ static int write_mhpmcounter(CPURISCVState *env, int csrno, target_ulong val)
>      return RISCV_EXCP_NONE;
>  }
>
> -static int write_mhpmcounterh(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_mhpmcounterh(CPURISCVState *env, int csrno,
> +                                         target_ulong val)
>  {
>      int ctr_idx = csrno - CSR_MCYCLEH;
>      PMUCTRState *counter = &env->pmu_ctrs[ctr_idx];
> @@ -945,7 +956,8 @@ static RISCVException riscv_pmu_read_ctr(CPURISCVState *env, target_ulong *val,
>      return RISCV_EXCP_NONE;
>  }
>
> -static int read_hpmcounter(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_hpmcounter(CPURISCVState *env, int csrno,
> +                                      target_ulong *val)
>  {
>      uint16_t ctr_index;
>
> @@ -960,7 +972,8 @@ static int read_hpmcounter(CPURISCVState *env, int csrno, target_ulong *val)
>      return riscv_pmu_read_ctr(env, val, false, ctr_index);
>  }
>
> -static int read_hpmcounterh(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_hpmcounterh(CPURISCVState *env, int csrno,
> +                                       target_ulong *val)
>  {
>      uint16_t ctr_index;
>
> @@ -975,7 +988,8 @@ static int read_hpmcounterh(CPURISCVState *env, int csrno, target_ulong *val)
>      return riscv_pmu_read_ctr(env, val, true, ctr_index);
>  }
>
> -static int read_scountovf(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_scountovf(CPURISCVState *env, int csrno,
> +                                     target_ulong *val)
>  {
>      int mhpmevt_start = CSR_MHPMEVENT3 - CSR_MCOUNTINHIBIT;
>      int i;
> @@ -1638,7 +1652,8 @@ static RISCVException rmw_mvienh(CPURISCVState *env, int csrno,
>      return ret;
>  }
>
> -static int read_mtopi(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_mtopi(CPURISCVState *env, int csrno,
> +                                 target_ulong *val)
>  {
>      int irq;
>      uint8_t iprio;
> @@ -1678,8 +1693,9 @@ static int aia_xlate_vs_csrno(CPURISCVState *env, int csrno)
>      };
>  }
>
> -static int rmw_xiselect(CPURISCVState *env, int csrno, target_ulong *val,
> -                        target_ulong new_val, target_ulong wr_mask)
> +static RISCVException rmw_xiselect(CPURISCVState *env, int csrno,
> +                                   target_ulong *val, target_ulong new_val,
> +                                   target_ulong wr_mask)
>  {
>      target_ulong *iselect;
>
> @@ -1758,8 +1774,9 @@ static int rmw_iprio(target_ulong xlen,
>      return 0;
>  }
>
> -static int rmw_xireg(CPURISCVState *env, int csrno, target_ulong *val,
> -                     target_ulong new_val, target_ulong wr_mask)
> +static RISCVException rmw_xireg(CPURISCVState *env, int csrno,
> +                                target_ulong *val, target_ulong new_val,
> +                                target_ulong wr_mask)
>  {
>      bool virt, isel_reserved;
>      uint8_t *iprio;
> @@ -1833,8 +1850,9 @@ done:
>      return RISCV_EXCP_NONE;
>  }
>
> -static int rmw_xtopei(CPURISCVState *env, int csrno, target_ulong *val,
> -                      target_ulong new_val, target_ulong wr_mask)
> +static RISCVException rmw_xtopei(CPURISCVState *env, int csrno,
> +                                 target_ulong *val, target_ulong new_val,
> +                                 target_ulong wr_mask)
>  {
>      bool virt;
>      int ret = -EINVAL;
> @@ -3031,7 +3049,8 @@ static RISCVException write_satp(CPURISCVState *env, int csrno,
>      return RISCV_EXCP_NONE;
>  }
>
> -static int read_vstopi(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_vstopi(CPURISCVState *env, int csrno,
> +                                  target_ulong *val)
>  {
>      int irq, ret;
>      target_ulong topei;
> @@ -3120,7 +3139,8 @@ static int read_vstopi(CPURISCVState *env, int csrno, target_ulong *val)
>      return RISCV_EXCP_NONE;
>  }
>
> -static int read_stopi(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_stopi(CPURISCVState *env, int csrno,
> +                                 target_ulong *val)
>  {
>      int irq;
>      uint8_t iprio;
> @@ -3576,19 +3596,21 @@ static RISCVException write_htimedeltah(CPURISCVState *env, int csrno,
>      return RISCV_EXCP_NONE;
>  }
>
> -static int read_hvictl(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_hvictl(CPURISCVState *env, int csrno,
> +                                  target_ulong *val)
>  {
>      *val = env->hvictl;
>      return RISCV_EXCP_NONE;
>  }
>
> -static int write_hvictl(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_hvictl(CPURISCVState *env, int csrno,
> +                                   target_ulong val)
>  {
>      env->hvictl = val & HVICTL_VALID_MASK;
>      return RISCV_EXCP_NONE;
>  }
>
> -static int read_hvipriox(CPURISCVState *env, int first_index,
> +static RISCVException read_hvipriox(CPURISCVState *env, int first_index,
>                           uint8_t *iprio, target_ulong *val)
>  {
>      int i, irq, rdzero, num_irqs = 4 * (riscv_cpu_mxl_bits(env) / 32);
> @@ -3614,7 +3636,7 @@ static int read_hvipriox(CPURISCVState *env, int first_index,
>      return RISCV_EXCP_NONE;
>  }
>
> -static int write_hvipriox(CPURISCVState *env, int first_index,
> +static RISCVException write_hvipriox(CPURISCVState *env, int first_index,
>                            uint8_t *iprio, target_ulong val)
>  {
>      int i, irq, rdzero, num_irqs = 4 * (riscv_cpu_mxl_bits(env) / 32);
> @@ -3640,42 +3662,50 @@ static int write_hvipriox(CPURISCVState *env, int first_index,
>      return RISCV_EXCP_NONE;
>  }
>
> -static int read_hviprio1(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_hviprio1(CPURISCVState *env, int csrno,
> +                                    target_ulong *val)
>  {
>      return read_hvipriox(env, 0, env->hviprio, val);
>  }
>
> -static int write_hviprio1(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_hviprio1(CPURISCVState *env, int csrno,
> +                                     target_ulong val)
>  {
>      return write_hvipriox(env, 0, env->hviprio, val);
>  }
>
> -static int read_hviprio1h(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_hviprio1h(CPURISCVState *env, int csrno,
> +                                     target_ulong *val)
>  {
>      return read_hvipriox(env, 4, env->hviprio, val);
>  }
>
> -static int write_hviprio1h(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_hviprio1h(CPURISCVState *env, int csrno,
> +                                      target_ulong val)
>  {
>      return write_hvipriox(env, 4, env->hviprio, val);
>  }
>
> -static int read_hviprio2(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_hviprio2(CPURISCVState *env, int csrno,
> +                                    target_ulong *val)
>  {
>      return read_hvipriox(env, 8, env->hviprio, val);
>  }
>
> -static int write_hviprio2(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_hviprio2(CPURISCVState *env, int csrno,
> +                                     target_ulong val)
>  {
>      return write_hvipriox(env, 8, env->hviprio, val);
>  }
>
> -static int read_hviprio2h(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_hviprio2h(CPURISCVState *env, int csrno,
> +                                     target_ulong *val)
>  {
>      return read_hvipriox(env, 12, env->hviprio, val);
>  }
>
> -static int write_hviprio2h(CPURISCVState *env, int csrno, target_ulong val)
> +static RISCVException write_hviprio2h(CPURISCVState *env, int csrno,
> +                                      target_ulong val)
>  {
>      return write_hvipriox(env, 12, env->hviprio, val);
>  }
> @@ -3699,7 +3729,8 @@ static RISCVException write_vsstatus(CPURISCVState *env, int csrno,
>      return RISCV_EXCP_NONE;
>  }
>
> -static int read_vstvec(CPURISCVState *env, int csrno, target_ulong *val)
> +static RISCVException read_vstvec(CPURISCVState *env, int csrno,
> +                                  target_ulong *val)
>  {
>      *val = env->vstvec;
>      return RISCV_EXCP_NONE;
> --
> 2.25.1
>
>
diff mbox series

Patch

diff --git a/target/riscv/csr.c b/target/riscv/csr.c
index 674ea075a4..ac9a856cc5 100644
--- a/target/riscv/csr.c
+++ b/target/riscv/csr.c
@@ -242,7 +242,7 @@  static RISCVException any32(CPURISCVState *env, int csrno)
 
 }
 
-static int aia_any(CPURISCVState *env, int csrno)
+static RISCVException aia_any(CPURISCVState *env, int csrno)
 {
     if (!riscv_cpu_cfg(env)->ext_smaia) {
         return RISCV_EXCP_ILLEGAL_INST;
@@ -251,7 +251,7 @@  static int aia_any(CPURISCVState *env, int csrno)
     return any(env, csrno);
 }
 
-static int aia_any32(CPURISCVState *env, int csrno)
+static RISCVException aia_any32(CPURISCVState *env, int csrno)
 {
     if (!riscv_cpu_cfg(env)->ext_smaia) {
         return RISCV_EXCP_ILLEGAL_INST;
@@ -269,7 +269,7 @@  static RISCVException smode(CPURISCVState *env, int csrno)
     return RISCV_EXCP_ILLEGAL_INST;
 }
 
-static int smode32(CPURISCVState *env, int csrno)
+static RISCVException smode32(CPURISCVState *env, int csrno)
 {
     if (riscv_cpu_mxl(env) != MXL_RV32) {
         return RISCV_EXCP_ILLEGAL_INST;
@@ -278,7 +278,7 @@  static int smode32(CPURISCVState *env, int csrno)
     return smode(env, csrno);
 }
 
-static int aia_smode(CPURISCVState *env, int csrno)
+static RISCVException aia_smode(CPURISCVState *env, int csrno)
 {
     if (!riscv_cpu_cfg(env)->ext_ssaia) {
         return RISCV_EXCP_ILLEGAL_INST;
@@ -287,7 +287,7 @@  static int aia_smode(CPURISCVState *env, int csrno)
     return smode(env, csrno);
 }
 
-static int aia_smode32(CPURISCVState *env, int csrno)
+static RISCVException aia_smode32(CPURISCVState *env, int csrno)
 {
     if (!riscv_cpu_cfg(env)->ext_ssaia) {
         return RISCV_EXCP_ILLEGAL_INST;
@@ -496,7 +496,7 @@  static RISCVException pointer_masking(CPURISCVState *env, int csrno)
     return RISCV_EXCP_ILLEGAL_INST;
 }
 
-static int aia_hmode(CPURISCVState *env, int csrno)
+static RISCVException aia_hmode(CPURISCVState *env, int csrno)
 {
     if (!riscv_cpu_cfg(env)->ext_ssaia) {
         return RISCV_EXCP_ILLEGAL_INST;
@@ -505,7 +505,7 @@  static int aia_hmode(CPURISCVState *env, int csrno)
      return hmode(env, csrno);
 }
 
-static int aia_hmode32(CPURISCVState *env, int csrno)
+static RISCVException aia_hmode32(CPURISCVState *env, int csrno)
 {
     if (!riscv_cpu_cfg(env)->ext_ssaia) {
         return RISCV_EXCP_ILLEGAL_INST;
@@ -681,7 +681,8 @@  static RISCVException read_vl(CPURISCVState *env, int csrno,
     return RISCV_EXCP_NONE;
 }
 
-static int read_vlenb(CPURISCVState *env, int csrno, target_ulong *val)
+static RISCVException read_vlenb(CPURISCVState *env, int csrno,
+                                 target_ulong *val)
 {
     *val = riscv_cpu_cfg(env)->vlen >> 3;
     return RISCV_EXCP_NONE;
@@ -742,13 +743,15 @@  static RISCVException write_vstart(CPURISCVState *env, int csrno,
     return RISCV_EXCP_NONE;
 }
 
-static int read_vcsr(CPURISCVState *env, int csrno, target_ulong *val)
+static RISCVException read_vcsr(CPURISCVState *env, int csrno,
+                                target_ulong *val)
 {
     *val = (env->vxrm << VCSR_VXRM_SHIFT) | (env->vxsat << VCSR_VXSAT_SHIFT);
     return RISCV_EXCP_NONE;
 }
 
-static int write_vcsr(CPURISCVState *env, int csrno, target_ulong val)
+static RISCVException write_vcsr(CPURISCVState *env, int csrno,
+                                 target_ulong val)
 {
 #if !defined(CONFIG_USER_ONLY)
     env->mstatus |= MSTATUS_VS;
@@ -798,13 +801,15 @@  static RISCVException read_timeh(CPURISCVState *env, int csrno,
     return RISCV_EXCP_NONE;
 }
 
-static int read_hpmcounter(CPURISCVState *env, int csrno, target_ulong *val)
+static RISCVException read_hpmcounter(CPURISCVState *env, int csrno,
+                                      target_ulong *val)
 {
     *val = get_ticks(false);
     return RISCV_EXCP_NONE;
 }
 
-static int read_hpmcounterh(CPURISCVState *env, int csrno, target_ulong *val)
+static RISCVException read_hpmcounterh(CPURISCVState *env, int csrno,
+                                       target_ulong *val)
 {
     *val = get_ticks(true);
     return RISCV_EXCP_NONE;
@@ -812,7 +817,8 @@  static int read_hpmcounterh(CPURISCVState *env, int csrno, target_ulong *val)
 
 #else /* CONFIG_USER_ONLY */
 
-static int read_mhpmevent(CPURISCVState *env, int csrno, target_ulong *val)
+static RISCVException read_mhpmevent(CPURISCVState *env, int csrno,
+                                     target_ulong *val)
 {
     int evt_index = csrno - CSR_MCOUNTINHIBIT;
 
@@ -821,7 +827,8 @@  static int read_mhpmevent(CPURISCVState *env, int csrno, target_ulong *val)
     return RISCV_EXCP_NONE;
 }
 
-static int write_mhpmevent(CPURISCVState *env, int csrno, target_ulong val)
+static RISCVException write_mhpmevent(CPURISCVState *env, int csrno,
+                                      target_ulong val)
 {
     int evt_index = csrno - CSR_MCOUNTINHIBIT;
     uint64_t mhpmevt_val = val;
@@ -837,7 +844,8 @@  static int write_mhpmevent(CPURISCVState *env, int csrno, target_ulong val)
     return RISCV_EXCP_NONE;
 }
 
-static int read_mhpmeventh(CPURISCVState *env, int csrno, target_ulong *val)
+static RISCVException read_mhpmeventh(CPURISCVState *env, int csrno,
+                                      target_ulong *val)
 {
     int evt_index = csrno - CSR_MHPMEVENT3H + 3;
 
@@ -846,7 +854,8 @@  static int read_mhpmeventh(CPURISCVState *env, int csrno, target_ulong *val)
     return RISCV_EXCP_NONE;
 }
 
-static int write_mhpmeventh(CPURISCVState *env, int csrno, target_ulong val)
+static RISCVException write_mhpmeventh(CPURISCVState *env, int csrno,
+                                       target_ulong val)
 {
     int evt_index = csrno - CSR_MHPMEVENT3H + 3;
     uint64_t mhpmevth_val = val;
@@ -860,7 +869,8 @@  static int write_mhpmeventh(CPURISCVState *env, int csrno, target_ulong val)
     return RISCV_EXCP_NONE;
 }
 
-static int write_mhpmcounter(CPURISCVState *env, int csrno, target_ulong val)
+static RISCVException write_mhpmcounter(CPURISCVState *env, int csrno,
+                                        target_ulong val)
 {
     int ctr_idx = csrno - CSR_MCYCLE;
     PMUCTRState *counter = &env->pmu_ctrs[ctr_idx];
@@ -885,7 +895,8 @@  static int write_mhpmcounter(CPURISCVState *env, int csrno, target_ulong val)
     return RISCV_EXCP_NONE;
 }
 
-static int write_mhpmcounterh(CPURISCVState *env, int csrno, target_ulong val)
+static RISCVException write_mhpmcounterh(CPURISCVState *env, int csrno,
+                                         target_ulong val)
 {
     int ctr_idx = csrno - CSR_MCYCLEH;
     PMUCTRState *counter = &env->pmu_ctrs[ctr_idx];
@@ -945,7 +956,8 @@  static RISCVException riscv_pmu_read_ctr(CPURISCVState *env, target_ulong *val,
     return RISCV_EXCP_NONE;
 }
 
-static int read_hpmcounter(CPURISCVState *env, int csrno, target_ulong *val)
+static RISCVException read_hpmcounter(CPURISCVState *env, int csrno,
+                                      target_ulong *val)
 {
     uint16_t ctr_index;
 
@@ -960,7 +972,8 @@  static int read_hpmcounter(CPURISCVState *env, int csrno, target_ulong *val)
     return riscv_pmu_read_ctr(env, val, false, ctr_index);
 }
 
-static int read_hpmcounterh(CPURISCVState *env, int csrno, target_ulong *val)
+static RISCVException read_hpmcounterh(CPURISCVState *env, int csrno,
+                                       target_ulong *val)
 {
     uint16_t ctr_index;
 
@@ -975,7 +988,8 @@  static int read_hpmcounterh(CPURISCVState *env, int csrno, target_ulong *val)
     return riscv_pmu_read_ctr(env, val, true, ctr_index);
 }
 
-static int read_scountovf(CPURISCVState *env, int csrno, target_ulong *val)
+static RISCVException read_scountovf(CPURISCVState *env, int csrno,
+                                     target_ulong *val)
 {
     int mhpmevt_start = CSR_MHPMEVENT3 - CSR_MCOUNTINHIBIT;
     int i;
@@ -1638,7 +1652,8 @@  static RISCVException rmw_mvienh(CPURISCVState *env, int csrno,
     return ret;
 }
 
-static int read_mtopi(CPURISCVState *env, int csrno, target_ulong *val)
+static RISCVException read_mtopi(CPURISCVState *env, int csrno,
+                                 target_ulong *val)
 {
     int irq;
     uint8_t iprio;
@@ -1678,8 +1693,9 @@  static int aia_xlate_vs_csrno(CPURISCVState *env, int csrno)
     };
 }
 
-static int rmw_xiselect(CPURISCVState *env, int csrno, target_ulong *val,
-                        target_ulong new_val, target_ulong wr_mask)
+static RISCVException rmw_xiselect(CPURISCVState *env, int csrno,
+                                   target_ulong *val, target_ulong new_val,
+                                   target_ulong wr_mask)
 {
     target_ulong *iselect;
 
@@ -1758,8 +1774,9 @@  static int rmw_iprio(target_ulong xlen,
     return 0;
 }
 
-static int rmw_xireg(CPURISCVState *env, int csrno, target_ulong *val,
-                     target_ulong new_val, target_ulong wr_mask)
+static RISCVException rmw_xireg(CPURISCVState *env, int csrno,
+                                target_ulong *val, target_ulong new_val,
+                                target_ulong wr_mask)
 {
     bool virt, isel_reserved;
     uint8_t *iprio;
@@ -1833,8 +1850,9 @@  done:
     return RISCV_EXCP_NONE;
 }
 
-static int rmw_xtopei(CPURISCVState *env, int csrno, target_ulong *val,
-                      target_ulong new_val, target_ulong wr_mask)
+static RISCVException rmw_xtopei(CPURISCVState *env, int csrno,
+                                 target_ulong *val, target_ulong new_val,
+                                 target_ulong wr_mask)
 {
     bool virt;
     int ret = -EINVAL;
@@ -3031,7 +3049,8 @@  static RISCVException write_satp(CPURISCVState *env, int csrno,
     return RISCV_EXCP_NONE;
 }
 
-static int read_vstopi(CPURISCVState *env, int csrno, target_ulong *val)
+static RISCVException read_vstopi(CPURISCVState *env, int csrno,
+                                  target_ulong *val)
 {
     int irq, ret;
     target_ulong topei;
@@ -3120,7 +3139,8 @@  static int read_vstopi(CPURISCVState *env, int csrno, target_ulong *val)
     return RISCV_EXCP_NONE;
 }
 
-static int read_stopi(CPURISCVState *env, int csrno, target_ulong *val)
+static RISCVException read_stopi(CPURISCVState *env, int csrno,
+                                 target_ulong *val)
 {
     int irq;
     uint8_t iprio;
@@ -3576,19 +3596,21 @@  static RISCVException write_htimedeltah(CPURISCVState *env, int csrno,
     return RISCV_EXCP_NONE;
 }
 
-static int read_hvictl(CPURISCVState *env, int csrno, target_ulong *val)
+static RISCVException read_hvictl(CPURISCVState *env, int csrno,
+                                  target_ulong *val)
 {
     *val = env->hvictl;
     return RISCV_EXCP_NONE;
 }
 
-static int write_hvictl(CPURISCVState *env, int csrno, target_ulong val)
+static RISCVException write_hvictl(CPURISCVState *env, int csrno,
+                                   target_ulong val)
 {
     env->hvictl = val & HVICTL_VALID_MASK;
     return RISCV_EXCP_NONE;
 }
 
-static int read_hvipriox(CPURISCVState *env, int first_index,
+static RISCVException read_hvipriox(CPURISCVState *env, int first_index,
                          uint8_t *iprio, target_ulong *val)
 {
     int i, irq, rdzero, num_irqs = 4 * (riscv_cpu_mxl_bits(env) / 32);
@@ -3614,7 +3636,7 @@  static int read_hvipriox(CPURISCVState *env, int first_index,
     return RISCV_EXCP_NONE;
 }
 
-static int write_hvipriox(CPURISCVState *env, int first_index,
+static RISCVException write_hvipriox(CPURISCVState *env, int first_index,
                           uint8_t *iprio, target_ulong val)
 {
     int i, irq, rdzero, num_irqs = 4 * (riscv_cpu_mxl_bits(env) / 32);
@@ -3640,42 +3662,50 @@  static int write_hvipriox(CPURISCVState *env, int first_index,
     return RISCV_EXCP_NONE;
 }
 
-static int read_hviprio1(CPURISCVState *env, int csrno, target_ulong *val)
+static RISCVException read_hviprio1(CPURISCVState *env, int csrno,
+                                    target_ulong *val)
 {
     return read_hvipriox(env, 0, env->hviprio, val);
 }
 
-static int write_hviprio1(CPURISCVState *env, int csrno, target_ulong val)
+static RISCVException write_hviprio1(CPURISCVState *env, int csrno,
+                                     target_ulong val)
 {
     return write_hvipriox(env, 0, env->hviprio, val);
 }
 
-static int read_hviprio1h(CPURISCVState *env, int csrno, target_ulong *val)
+static RISCVException read_hviprio1h(CPURISCVState *env, int csrno,
+                                     target_ulong *val)
 {
     return read_hvipriox(env, 4, env->hviprio, val);
 }
 
-static int write_hviprio1h(CPURISCVState *env, int csrno, target_ulong val)
+static RISCVException write_hviprio1h(CPURISCVState *env, int csrno,
+                                      target_ulong val)
 {
     return write_hvipriox(env, 4, env->hviprio, val);
 }
 
-static int read_hviprio2(CPURISCVState *env, int csrno, target_ulong *val)
+static RISCVException read_hviprio2(CPURISCVState *env, int csrno,
+                                    target_ulong *val)
 {
     return read_hvipriox(env, 8, env->hviprio, val);
 }
 
-static int write_hviprio2(CPURISCVState *env, int csrno, target_ulong val)
+static RISCVException write_hviprio2(CPURISCVState *env, int csrno,
+                                     target_ulong val)
 {
     return write_hvipriox(env, 8, env->hviprio, val);
 }
 
-static int read_hviprio2h(CPURISCVState *env, int csrno, target_ulong *val)
+static RISCVException read_hviprio2h(CPURISCVState *env, int csrno,
+                                     target_ulong *val)
 {
     return read_hvipriox(env, 12, env->hviprio, val);
 }
 
-static int write_hviprio2h(CPURISCVState *env, int csrno, target_ulong val)
+static RISCVException write_hviprio2h(CPURISCVState *env, int csrno,
+                                      target_ulong val)
 {
     return write_hvipriox(env, 12, env->hviprio, val);
 }
@@ -3699,7 +3729,8 @@  static RISCVException write_vsstatus(CPURISCVState *env, int csrno,
     return RISCV_EXCP_NONE;
 }
 
-static int read_vstvec(CPURISCVState *env, int csrno, target_ulong *val)
+static RISCVException read_vstvec(CPURISCVState *env, int csrno,
+                                  target_ulong *val)
 {
     *val = env->vstvec;
     return RISCV_EXCP_NONE;