windows: Implement mp_hal_ticks_cpu in terms of QueryPerformanceCounter

2 files changed, 12 insertions, 2 deletions

diff --git a/windows/windows_mphal.c b/windows/windows_mphal.c
index 1b2ed314a..3ad693905 100644
--- a/windows/windows_mphal.c
+++ b/windows/windows_mphal.c
@@ -217,3 +217,13 @@ mp_uint_t mp_hal_ticks_us(void) {
     gettimeofday(&tv, NULL);
     return tv.tv_sec * 1000000 + tv.tv_usec;
 }
+
+mp_uint_t mp_hal_ticks_cpu(void) {
+    LARGE_INTEGER value;
+    QueryPerformanceCounter(&value);
+#ifdef _WIN64
+    return value.QuadPart;
+#else
+    return value.LowPart;
+#endif
+}
diff --git a/windows/windows_mphal.h b/windows/windows_mphal.h
index a17f17021..854e14a7a 100644
--- a/windows/windows_mphal.h
+++ b/windows/windows_mphal.h
@@ -32,5 +32,5 @@
 void mp_hal_move_cursor_back(unsigned int pos);
 void mp_hal_erase_line_from_cursor(unsigned int n_chars_to_erase);
 
-// TODO: Implement.
-#define mp_hal_ticks_cpu() 0
+#undef mp_hal_ticks_cpu
+mp_uint_t mp_hal_ticks_cpu(void);