[Modified] change toolchain to la32r

2023-07-21 14:26:41 +08:00
parent a755aae99e
commit ff61889138
6 changed files with 33 additions and 71 deletions
--- a/lasoft/xv6-la/kernel/start.c
+++ b/lasoft/xv6-la/kernel/start.c
@@ -51,7 +51,7 @@ start()
  w_tp(id);

  // switch to supervisor mode and jump to main().
-  asm volatile("mret");
+  asm volatile("ertn");
 }

 // arrange to receive timer interrupts.