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fix(ptw): do not throw an execption on G-intermediate translation of instr

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Nicolas Derumigny 2025-04-15 17:56:20 +02:00
parent 9c100098ba
commit 539fd23573
1 changed files with 2 additions and 1 deletions
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3
core/cva6_mmu/cva6_ptw.sv
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@ -452,7 +452,8 @@ module cva6_ptw
// If page is not executable, we can directly raise an error. This
// doesn't put a useless entry into the TLB. The same idea applies
// to the access flag since we let the access flag be managed by SW.
if (!pte.x || !pte.a) begin
if ((!pte.x && (!CVA6Cfg.RVH || ptw_stage_q != G_INTERMED_STAGE)) || !pte.a
|| (CVA6Cfg.RVH && ptw_stage_q == G_INTERMED_STAGE && !pte.r)) begin
state_d = PROPAGATE_ERROR;
if (CVA6Cfg.RVH) ptw_stage_d = ptw_stage_q;
end else if ((CVA6Cfg.RVH && ((ptw_stage_q == G_FINAL_STAGE) || !enable_g_translation_i)) || !CVA6Cfg.RVH)