extintr: manually enable the WFI instruction

856ad744 · Yinan Xu · 465c6d39 · 856ad744
显示空白变更内容
内联并排

Showing with 2 addition and 0 deletion

tests/amtest/src/tests/extintr.c tests/amtest/src/tests/extintr.c +2 -0

未找到文件。
--- a/tests/amtest/src/tests/extintr.c
+++ b/tests/amtest/src/tests/extintr.c
@@ -188,6 +188,8 @@ void external_intr() {
  asm volatile("csrs sie, %0" : : "r"((1 << 9)));
  asm volatile("csrs sstatus, 2");
  plic_intr_init();
+  // enable WFI instruction
+  asm volatile("csrs 0x5c4, %0" : : "r"((0x7)));
  // trigger interrupts
  // s-mode