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From 9600d3bae7e8f116aff303df7e13f23e67274096 Mon Sep 17 00:00:00 2001
From: Wenlong Zhang <zhangwenlong@loongson.cn>
Date: Sat, 7 Jan 2023 03:23:20 +0000
Subject: [PATCH] add loongarch support for perftest
add function get_cycles for loongarch64
Signed-off-by: Wenlong Zhang <zhangwenlong@loongson.cn>
---
src/get_clock.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/src/get_clock.h b/src/get_clock.h
index dacbcd0..5b7b48b 100755
--- a/src/get_clock.h
+++ b/src/get_clock.h
@@ -105,6 +105,15 @@ static inline cycles_t get_cycles()
return cval;
}
+#elif defined(__loongarch64)
+typedef unsigned long cycles_t;
+static inline cycles_t get_cycles()
+{
+ cycles_t count;
+ asm volatile("rdtime.d %0, $zero" : "=r" (count));
+ return count;
+}
+
#else
#warning get_cycles not implemented for this architecture: attempt asm/timex.h
#include <asm/timex.h>
--
2.33.0
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