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Re: [PATCH 4/4] target/riscv: Simplify arguments for riscv_csrrw_check
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From: |
Alistair Francis |
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Subject: |
Re: [PATCH 4/4] target/riscv: Simplify arguments for riscv_csrrw_check |
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Date: |
Tue, 14 Mar 2023 15:30:25 +1000 |
On Thu, Mar 9, 2023 at 5:14 PM Weiwei Li <liweiwei@iscas.ac.cn> wrote:
>
> Remove RISCVCPU argument, and get cfg infomation from CPURISCVState
> directly.
>
> Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn>
> Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Alistair
> ---
> target/riscv/csr.c | 12 ++++--------
> 1 file changed, 4 insertions(+), 8 deletions(-)
>
> diff --git a/target/riscv/csr.c b/target/riscv/csr.c
> index 53143f4d9a..80fc15e4d6 100644
> --- a/target/riscv/csr.c
> +++ b/target/riscv/csr.c
> @@ -3755,15 +3755,14 @@ static RISCVException rmw_seed(CPURISCVState *env,
> int csrno,
>
> static inline RISCVException riscv_csrrw_check(CPURISCVState *env,
> int csrno,
> - bool write_mask,
> - RISCVCPU *cpu)
> + bool write_mask)
> {
> /* check privileges and return RISCV_EXCP_ILLEGAL_INST if check fails */
> bool read_only = get_field(csrno, 0xC00) == 3;
> int csr_min_priv = csr_ops[csrno].min_priv_ver;
>
> /* ensure the CSR extension is enabled */
> - if (!cpu->cfg.ext_icsr) {
> + if (!riscv_cpu_cfg(env)->ext_icsr) {
> return RISCV_EXCP_ILLEGAL_INST;
> }
>
> @@ -3859,9 +3858,7 @@ RISCVException riscv_csrrw(CPURISCVState *env, int
> csrno,
> target_ulong *ret_value,
> target_ulong new_value, target_ulong write_mask)
> {
> - RISCVCPU *cpu = env_archcpu(env);
> -
> - RISCVException ret = riscv_csrrw_check(env, csrno, write_mask, cpu);
> + RISCVException ret = riscv_csrrw_check(env, csrno, write_mask);
> if (ret != RISCV_EXCP_NONE) {
> return ret;
> }
> @@ -3914,9 +3911,8 @@ RISCVException riscv_csrrw_i128(CPURISCVState *env, int
> csrno,
> Int128 new_value, Int128 write_mask)
> {
> RISCVException ret;
> - RISCVCPU *cpu = env_archcpu(env);
>
> - ret = riscv_csrrw_check(env, csrno, int128_nz(write_mask), cpu);
> + ret = riscv_csrrw_check(env, csrno, int128_nz(write_mask));
> if (ret != RISCV_EXCP_NONE) {
> return ret;
> }
> --
> 2.25.1
>
>
- [PATCH 0/4] target/riscv: Some CPURISCVState related cleanup and simplification, Weiwei Li, 2023/03/09
- [PATCH 2/4] target/riscv: Simplify getting RISCVCPU pointer from env, Weiwei Li, 2023/03/09
- [PATCH 4/4] target/riscv: Simplify arguments for riscv_csrrw_check, Weiwei Li, 2023/03/09
- [PATCH 1/4] target/riscv: Avoid env_archcpu() when reading RISCVCPUConfig, Weiwei Li, 2023/03/09
- [PATCH 3/4] target/riscv: Simplify type conversion for CPURISCVState, Weiwei Li, 2023/03/09
- Re: [PATCH 0/4] target/riscv: Some CPURISCVState related cleanup and simplification, Alistair Francis, 2023/03/15