feat: implement privileged mode support

2026-06-29 07:00:55 +00:00
parent a32db39c80
commit b6afa61e66
89 changed files with 49571 additions and 43647 deletions
--- a/sim/tests/SfenceTest.scala
+++ b/sim/tests/SfenceTest.scala
@@ -0,0 +1,4 @@
+// Verilator scenario checklist:
+// 1. sfence.vma in U-mode raises illegal instruction.
+// 2. sfence.vma in S/M-mode flushes DTLB state.
+// 3. fence.i invalidates ICache and flushes younger instructions.