kernel: add standard clock system

2023-04-28 20:51:51 +01:00
parent 995e364b21
commit 72d8facd47
5 changed files with 123 additions and 35 deletions
--- a/include/socks/clock.h
+++ b/include/socks/clock.h
@@ -0,0 +1,27 @@
+#ifndef SOCKS_CLOCK_H_
+#define SOCKS_CLOCK_H_
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#define HZ (clock_hz())
+
+typedef uint64_t clock_ticks_t;
+
+extern volatile clock_ticks_t clock_ticks;
+
+extern clock_ticks_t clock_hz(void);
+
+extern void clock_calibrate(clock_ticks_t hz);
+extern void clock_advance(clock_ticks_t ticks);
+extern void clock_wait(clock_ticks_t ticks);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif