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/EcallDelegationTest.scala
+++ b/sim/tests/EcallDelegationTest.scala
@@ -0,0 +1,4 @@
+// Verilator scenario checklist:
+// 1. Set medeleg bit 8 and execute ecall from U-mode.
+// 2. Expect delegation to S-mode handler when S support is enabled.
+// 3. Clear delegation and verify ecall from U-mode traps to M-mode.