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From: | Richard Henderson |
Subject: | Re: [PATCH] target/riscv/pmp: fix no pmp illegal intrs |
Date: | Tue, 14 Dec 2021 13:12:32 -0800 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 |
On 12/14/21 1:26 AM, Nikita Shubin wrote:
- if (!pmp_get_num_rules(env) && (prev_priv != PRV_M)) { + if (riscv_feature(env, RISCV_FEATURE_PMP) && + !pmp_get_num_rules(env) && (prev_priv != PRV_M)) {
When would the number of rules become non-zero with PMP disabled? When does this test make a difference? r~
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