原始版本

RT_Thread/libcpu/sparc-v8/bm3803/trap.c

@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2020, Shenzhen Academy of Aerospace Technology
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2020-10-16     Dystopia     the first version
+ */
+
+#include <rtthread.h>
+#include <rthw.h>
+
+extern struct rt_irq_desc isr_table[];
+
+void rt_hw_trap(int tt, unsigned int *sp)
+{
+    void *param;
+    rt_isr_handler_t isr_func;
+
+    /* get interrupt service routine */
+    isr_func = isr_table[tt].handler;
+    param = isr_table[tt].param;
+
+    /* turn to interrupt service routine */
+    if (isr_func != RT_NULL)
+        isr_func(tt, param);
+}