From 14a6063a91083c9cbe1bc502ee58fc7ca146bc1a Mon Sep 17 00:00:00 2001
From: Richard Henderson <rth@twiddle.net>
Date: Mon, 12 Apr 2010 16:19:26 -0700
Subject: [PATCH] Implement cpu_get_real_ticks for Alpha.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
---
 qemu-timer.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/qemu-timer.h b/qemu-timer.h
index 62da887584..1494f79406 100644
--- a/qemu-timer.h
+++ b/qemu-timer.h
@@ -209,6 +209,19 @@ static inline int64_t cpu_get_real_ticks(void)
     return (int64_t)(count * cyc_per_count);
 }
 
+#elif defined(__alpha__)
+
+static inline int64_t cpu_get_real_ticks(void)
+{
+    uint64_t cc;
+    uint32_t cur, ofs;
+
+    asm volatile("rpcc %0" : "=r"(cc));
+    cur = cc;
+    ofs = cc >> 32;
+    return cur - ofs;
+}
+
 #else
 /* The host CPU doesn't have an easily accessible cycle counter.
    Just return a monotonically increasing value.  This will be
-- 
2.30.2