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/PrivilegeTransitionTest.scala
+++ b/sim/tests/PrivilegeTransitionTest.scala
@@ -0,0 +1,5 @@
+// Verilator scenario checklist:
+// 1. Start in M-mode after reset.
+// 2. Configure mstatus.MPP=S and mepc to an S-mode entry point.
+// 3. Execute mret and verify the redirected PC equals mepc.
+// 4. Execute an S-mode ecall path and verify trap state is recoverable.