1 files changed, 41 insertions, 0 deletions
diff --git a/libcpu/mips/gs232/timer.c b/libcpu/mips/gs232/timer.c
new file mode 100644
index 0000000000..8879b82ccf
--- /dev/null
+++ b/libcpu/mips/gs232/timer.c
@@ -0,0 +1,41 @@
+/*
+ * Assembly Macros For MIPS
+ *
+ * Copyright (c) 2006-2019, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2019-12-04     Jiaxun Yang  Initial version
+ */
+
+#include <rtthread.h>
+#include <rthw.h>
+#include <mips.h>
+#include <board.h>
+
+/**
+ * This is the timer interrupt service routine.
+ */
+void rt_hw_timer_handler(void)
+{
+	unsigned int count;
+
+	count = read_c0_compare();
+	write_c0_compare(count);
+	write_c0_count(0);
+
+	/* increase a OS tick */
+	rt_tick_increase();
+}
+
+/**
+ * This function will initial OS timer
+ */
+void rt_hw_timer_init(void)
+{
+	write_c0_compare(CPU_HZ/2/RT_TICK_PER_SECOND);
+	write_c0_count(0);
+	mips_unmask_cpu_irq(7);
+}
+\ No newline at end of file