From 2ab0dd77de5cde2ca04944cd03b894034a5c9f8e Mon Sep 17 00:00:00 2001
From: Hedara <hedara90@gmail.com>
Date: Thu, 29 Aug 2024 15:36:05 +0200
Subject: [PATCH] Added performance counter

---
 include/global.h | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/include/global.h b/include/global.h
index f5ada78360..783a913106 100644
--- a/include/global.h
+++ b/include/global.h
@@ -131,6 +131,31 @@
 
 #define FEATURE_FLAG_ASSERT(flag, id) STATIC_ASSERT(flag > TEMP_FLAGS_END || flag == 0, id)
 
+#ifndef NDEBUG
+static inline void CycleCountStart()
+{
+    REG_TM2CNT_H = 0;
+    REG_TM3CNT_H = 0;
+
+    REG_TM2CNT_L = 0;
+    REG_TM3CNT_L = 0;
+
+    // init timers (tim3 count up mode, tim2 every clock cycle)
+    REG_TM3CNT_H = TIMER_ENABLE | TIMER_COUNTUP;
+    REG_TM2CNT_H = TIMER_1CLK | TIMER_ENABLE;
+}
+
+static inline u32 CycleCountEnd()
+{
+    // stop timers
+    REG_TM2CNT_H = 0;
+    REG_TM3CNT_H = 0;
+
+    // return result
+    return REG_TM2CNT_L | (REG_TM3CNT_L << 16u);
+}
+#endif
+
 struct Coords8
 {
     s8 x;