target/riscv: Simplify {read, write}_pmpcfg() a little bit
Use the register index that has already been calculated in the pmpcfg_csr_{read,write} call. Signed-off-by: Bin Meng <bmeng@tinylab.org> Reviewed-by: Weiwei Li <liweiwei@iscas.ac.cn> Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com> Message-ID: <20230228104035.1879882-9-bmeng@tinylab.org> Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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@ -3360,7 +3360,7 @@ static RISCVException read_pmpcfg(CPURISCVState *env, int csrno,
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if (!check_pmp_reg_index(env, reg_index)) {
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return RISCV_EXCP_ILLEGAL_INST;
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}
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*val = pmpcfg_csr_read(env, csrno - CSR_PMPCFG0);
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*val = pmpcfg_csr_read(env, reg_index);
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return RISCV_EXCP_NONE;
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}
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@ -3372,7 +3372,7 @@ static RISCVException write_pmpcfg(CPURISCVState *env, int csrno,
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if (!check_pmp_reg_index(env, reg_index)) {
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return RISCV_EXCP_ILLEGAL_INST;
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}
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pmpcfg_csr_write(env, csrno - CSR_PMPCFG0, val);
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pmpcfg_csr_write(env, reg_index, val);
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return RISCV_EXCP_NONE;
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}
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