修复错误位宽，加入islast

tb/sw/src/MstMain.c

@@ -85,11 +85,21 @@ void main()
 	*plic_priority_6 = 1;
 	*plic_threshold_0 = 0;
 
+	{//再写一次实现延迟，等从机的复位完成
+		*plic_enable_0_31 = 1 << 3 | 1 << 4 | 1 << 5 | 1 << 6;
+		*plic_priority_3 = 1;
+		*plic_priority_4 = 1;
+		*plic_priority_5 = 1;
+		*plic_priority_6 = 1;
+		*plic_threshold_0 = 0;		
+	}
 
-		*cdr_softReset = 1; //复位脉冲
-		*cdr_direct = 0;
 
-		register uint32_t flag;
+
+	*cdr_softReset = 1; //复位脉冲
+	*cdr_direct = 0;
+
+	register uint32_t flag;
 
 									// asm volatile ( //timer 2s
 									// 	"1:\n"