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Re: [PATCH] target/riscv: csr: Rename HCOUNTEREN_CY and friends


From: Alistair Francis
Subject: Re: [PATCH] target/riscv: csr: Rename HCOUNTEREN_CY and friends
Date: Thu, 16 Sep 2021 14:42:24 +1000

On Wed, Sep 15, 2021 at 6:47 PM Bin Meng <bmeng.cn@gmail.com> wrote:
>
> The macro name HCOUNTEREN_CY suggests it is for CSR HCOUNTEREN, but
> in fact it applies to M-mode and S-mode CSR too. Rename these macros
> to have the COUNTEREN_ prefix.
>
> Signed-off-by: Bin Meng <bmeng.cn@gmail.com>

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

Alistair

> ---
>
>  target/riscv/cpu_bits.h |  8 ++++----
>  target/riscv/csr.c      | 24 ++++++++++++------------
>  2 files changed, 16 insertions(+), 16 deletions(-)
>
> diff --git a/target/riscv/cpu_bits.h b/target/riscv/cpu_bits.h
> index 7330ff5a19..34564d367c 100644
> --- a/target/riscv/cpu_bits.h
> +++ b/target/riscv/cpu_bits.h
> @@ -397,10 +397,10 @@
>  #define HSTATUS32_WPRI       0xFF8FF87E
>  #define HSTATUS64_WPRI       0xFFFFFFFFFF8FF87EULL
>
> -#define HCOUNTEREN_CY        (1 << 0)
> -#define HCOUNTEREN_TM        (1 << 1)
> -#define HCOUNTEREN_IR        (1 << 2)
> -#define HCOUNTEREN_HPM3      (1 << 3)
> +#define COUNTEREN_CY         (1 << 0)
> +#define COUNTEREN_TM         (1 << 1)
> +#define COUNTEREN_IR         (1 << 2)
> +#define COUNTEREN_HPM3       (1 << 3)
>
>  /* Privilege modes */
>  #define PRV_U 0
> diff --git a/target/riscv/csr.c b/target/riscv/csr.c
> index 50a2c3a3b4..1cd34a6453 100644
> --- a/target/riscv/csr.c
> +++ b/target/riscv/csr.c
> @@ -71,20 +71,20 @@ static RISCVException ctr(CPURISCVState *env, int csrno)
>      if (riscv_cpu_virt_enabled(env)) {
>          switch (csrno) {
>          case CSR_CYCLE:
> -            if (!get_field(env->hcounteren, HCOUNTEREN_CY) &&
> -                get_field(env->mcounteren, HCOUNTEREN_CY)) {
> +            if (!get_field(env->hcounteren, COUNTEREN_CY) &&
> +                get_field(env->mcounteren, COUNTEREN_CY)) {
>                  return RISCV_EXCP_VIRT_INSTRUCTION_FAULT;
>              }
>              break;
>          case CSR_TIME:
> -            if (!get_field(env->hcounteren, HCOUNTEREN_TM) &&
> -                get_field(env->mcounteren, HCOUNTEREN_TM)) {
> +            if (!get_field(env->hcounteren, COUNTEREN_TM) &&
> +                get_field(env->mcounteren, COUNTEREN_TM)) {
>                  return RISCV_EXCP_VIRT_INSTRUCTION_FAULT;
>              }
>              break;
>          case CSR_INSTRET:
> -            if (!get_field(env->hcounteren, HCOUNTEREN_IR) &&
> -                get_field(env->mcounteren, HCOUNTEREN_IR)) {
> +            if (!get_field(env->hcounteren, COUNTEREN_IR) &&
> +                get_field(env->mcounteren, COUNTEREN_IR)) {
>                  return RISCV_EXCP_VIRT_INSTRUCTION_FAULT;
>              }
>              break;
> @@ -98,20 +98,20 @@ static RISCVException ctr(CPURISCVState *env, int csrno)
>          if (riscv_cpu_is_32bit(env)) {
>              switch (csrno) {
>              case CSR_CYCLEH:
> -                if (!get_field(env->hcounteren, HCOUNTEREN_CY) &&
> -                    get_field(env->mcounteren, HCOUNTEREN_CY)) {
> +                if (!get_field(env->hcounteren, COUNTEREN_CY) &&
> +                    get_field(env->mcounteren, COUNTEREN_CY)) {
>                      return RISCV_EXCP_VIRT_INSTRUCTION_FAULT;
>                  }
>                  break;
>              case CSR_TIMEH:
> -                if (!get_field(env->hcounteren, HCOUNTEREN_TM) &&
> -                    get_field(env->mcounteren, HCOUNTEREN_TM)) {
> +                if (!get_field(env->hcounteren, COUNTEREN_TM) &&
> +                    get_field(env->mcounteren, COUNTEREN_TM)) {
>                      return RISCV_EXCP_VIRT_INSTRUCTION_FAULT;
>                  }
>                  break;
>              case CSR_INSTRETH:
> -                if (!get_field(env->hcounteren, HCOUNTEREN_IR) &&
> -                    get_field(env->mcounteren, HCOUNTEREN_IR)) {
> +                if (!get_field(env->hcounteren, COUNTEREN_IR) &&
> +                    get_field(env->mcounteren, COUNTEREN_IR)) {
>                      return RISCV_EXCP_VIRT_INSTRUCTION_FAULT;
>                  }
>                  break;
> --
> 2.25.1
>
>



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