lib: sbi_trap: Workaroud for cpu still using i-utlb when into m mode

2023-04-04 17:17:46 +08:00
parent 0e87f899c3
commit be6e558f66
2 changed files with 2 additions and 4 deletions
--- a/firmware/fw_base.S
+++ b/firmware/fw_base.S
@@ -757,6 +757,8 @@ memcmp:
 	.globl _trap_handler
 	.globl _trap_exit
 _trap_handler:
+	sfence.vma
+
 	TRAP_SAVE_AND_SETUP_SP_T0

 	TRAP_SAVE_MEPC_MSTATUS 0