Initial commit

backends/platform/libretro/include/wiiu/os/time.h

@@ -0,0 +1,49 @@
+#pragma once
+#include <wiiu/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define OSOneSecond ((OSGetSystemInfo()->clockSpeed) / 4)
+#define OSMilliseconds(val) ((((uint64_t)(val)) * (uint64_t)(OSOneSecond)) / 1000ull)
+#define OSMicroseconds(val) ((((uint64_t)(val)) * (uint64_t)(OSOneSecond)) / 1000000ull)
+#define OSNanoseconds(val) ((((uint64_t)(val)) * (uint64_t)(OSOneSecond)) / 1000000000ull)
+
+#define wiiu_bus_clock             (17 * 13 * 5*5*5 * 5*5*5     * 3*3 * 2*2*2) /*   248.625000 Mhz */
+#define wiiu_cpu_clock             (17 * 13 * 5*5*5 * 5*5*5 * 5 * 3*3 * 2*2*2) /*  1243.125000 Mhz */
+#define wiiu_timer_clock           (17 * 13 * 5*5*5 * 5*5*5     * 3*3 * 2)     /*    62.156250 Mhz */
+
+#define sec_to_ticks(s)          (((17 * 13 * 5*5*5 * 5*5*5 * 3*3 * 2) * (uint64_t)(s)))
+#define ms_to_ticks(ms)          (((17 * 13 * 5*5*5 * 3*3) * (uint64_t)(ms)) / (2*2))
+#define us_to_ticks(us)          (((17 * 13 * 3*3) * (uint64_t)(us)) / (2*2* 2*2*2))
+#define ns_to_ticks(ns)          (((17 * 13 * 3*3) * (uint64_t)(ns)) / (2*2* 2*2*2* 2*2*2 *5*5*5))
+
+#define ticks_to_sec(ticks)      (((uint64_t)(ticks)) / (17 * 13 * 5*5*5 * 5*5*5 * 3*3 * 2))
+#define ticks_to_ms(ticks)       (((uint64_t)(ticks) * (2*2)) / (17 * 13 * 5*5*5 * 3*3))
+#define ticks_to_us(ticks)       (((uint64_t)(ticks) * (2*2 * 2*2*2)) / (17 * 13 * 3*3))
+#define ticks_to_ns(ticks)       (((uint64_t)(ticks) * (2*2 * 2*2*2 * 2*2*2 * 5*5*5)) / (17 * 13 * 3*3))
+
+typedef int32_t OSTick;
+typedef int64_t OSTime;
+
+typedef struct
+{
+   int32_t tm_sec;
+   int32_t tm_min;
+   int32_t tm_hour;
+   int32_t tm_mday;
+   int32_t tm_mon;
+   int32_t tm_year;
+}OSCalendarTime;
+
+OSTime OSGetTime();
+OSTime OSGetSystemTime();
+OSTick OSGetTick();
+OSTick OSGetSystemTick();
+OSTime OSCalendarTimeToTicks(OSCalendarTime *calendarTime);
+void OSTicksToCalendarTime(OSTime time, OSCalendarTime *calendarTime);
+
+#ifdef __cplusplus
+}
+#endif