Re: [PATCH] target/riscv/pmp: fix no pmp illegal intrs

[Richard Henderson]

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~