Message ID | 20220927063104.2846825-6-alistair.francis@opensource.wdc.com |
---|---|
State | New |
Headers | show
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Series |
[PULL,v2,01/22] hw/ssi: ibex_spi: fixup typos in ibex_spi_host
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diff --git a/target/riscv/csr.c b/target/riscv/csr.c index b96db1b62b..092b425196 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -98,17 +98,22 @@ static RISCVException ctr(CPURISCVState *env, int csrno) skip_ext_pmu_check: - if (((env->priv == PRV_S) && (!get_field(env->mcounteren, ctr_mask))) || - ((env->priv == PRV_U) && (!get_field(env->scounteren, ctr_mask)))) { + if (env->priv < PRV_M && !get_field(env->mcounteren, ctr_mask)) { return RISCV_EXCP_ILLEGAL_INST; } if (riscv_cpu_virt_enabled(env)) { - if (!get_field(env->hcounteren, ctr_mask) && - get_field(env->mcounteren, ctr_mask)) { + if (!get_field(env->hcounteren, ctr_mask) || + (env->priv == PRV_U && !get_field(env->scounteren, ctr_mask))) { return RISCV_EXCP_VIRT_INSTRUCTION_FAULT; } } + + if (riscv_has_ext(env, RVS) && env->priv == PRV_U && + !get_field(env->scounteren, ctr_mask)) { + return RISCV_EXCP_ILLEGAL_INST; + } + #endif return RISCV_EXCP_NONE; }