From 3272afe57f3303ee178c6d0a3d08614a2a154e4e Mon Sep 17 00:00:00 2001
From: stijn <stijn@ignitron.net>
Date: Tue, 1 Nov 2016 10:25:13 +0100
Subject: [PATCH] windows: Implement mp_hal_ticks_cpu in terms of
QueryPerformanceCounter
---
unix/modtime.c | 1 +
windows/windows_mphal.c | 10 ++++++++++
windows/windows_mphal.h | 4 ++--
3 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/unix/modtime.c b/unix/modtime.c
index e90826f14..85d1f5532 100644
--- a/unix/modtime.c
+++ b/unix/modtime.c
@@ -152,6 +152,7 @@ STATIC const mp_rom_map_elem_t mp_module_time_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR_time), MP_ROM_PTR(&mod_time_time_obj) },
{ MP_ROM_QSTR(MP_QSTR_ticks_ms), MP_ROM_PTR(&mp_utime_ticks_ms_obj) },
{ MP_ROM_QSTR(MP_QSTR_ticks_us), MP_ROM_PTR(&mp_utime_ticks_us_obj) },
+ { MP_ROM_QSTR(MP_QSTR_ticks_cpu), MP_ROM_PTR(&mp_utime_ticks_cpu_obj) },
{ MP_ROM_QSTR(MP_QSTR_ticks_add), MP_ROM_PTR(&mp_utime_ticks_add_obj) },
{ MP_ROM_QSTR(MP_QSTR_ticks_diff), MP_ROM_PTR(&mp_utime_ticks_diff_obj) },
{ MP_ROM_QSTR(MP_QSTR_strftime), MP_ROM_PTR(&mod_time_strftime_obj) },
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);
--
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