1 files changed, 57 insertions, 0 deletions
diff --git a/sdk-modifications/include/ds2_cpu.h b/sdk-modifications/include/ds2_cpu.h
new file mode 100644
index 0000000..d4b7144
--- /dev/null
+++ b/sdk-modifications/include/ds2_cpu.h
@@ -0,0 +1,57 @@
+#ifndef __DS2_CPU_H__
+#define __DS2_CPU_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+//exception handle
+
+
+//cache operationr
+//invalidate instruction cache
+extern void __icache_invalidate_all(void);
+
+//invalidate data cache
+extern void __dcache_invalidate_all(void);
+
+//data cache writeback
+extern void __dcache_writeback_all(void);
+
+//data cache writeback and invalidate
+extern void _dcache_wback_inv(unsigned long addr, unsigned long size);
+
+
+//interruption operation
+//clear CPU's interrupt state and enable global interrupt
+extern void sti(void);
+
+//disable global interrupt
+extern void cli(void);
+
+//disable global interrupt and store the global interrupt state
+//return: interrupt state
+extern unsigned int spin_lock_irqsave(void);
+
+//restore global interrupt state
+extern void spin_unlock_irqrestore(unsigned int val);
+
+
+//CPU frequence
+//There are 14 levels, 0 to 13, 13 level have the highest clock frequence
+extern int ds2_setCPUclocklevel(unsigned int num);
+
+//print colock frequence CPU
+extern void printf_clock(void);
+
+//delay n us
+extern void udelay(unsigned int usec);
+
+//delay n ms
+extern void mdelay(unsigned int msec);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif //__DS2_CPU_H__