From f110a2c0e04c782914254bbd515dde2a3d918bfa Mon Sep 17 00:00:00 2001
From: liangkangnan <liangkangnan@163.com>
Date: Sat, 25 Apr 2020 17:05:48 +0800
Subject: [PATCH] set MPIE and MPP

Signed-off-by: liangkangnan <liangkangnan@163.com>
---
 tests/example/init.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tests/example/init.c b/tests/example/init.c
index 337593f..a9f710d 100644
--- a/tests/example/init.c
+++ b/tests/example/init.c
@@ -16,5 +16,9 @@ void trap_handler(uint32_t mcause)
 
 void _init()
 {
+    // 设置中断入口函数
     write_csr(mtvec, &trap_entry);
+    // 使能CPU全局中断
+    // MIE = 1, MPIE = 1, MPP = 11
+    write_csr(mstatus, 0x1888);
 }