[PULL,07/20] qemu/timer: Add host ticks function for LoongArch

Commit Message

Paolo Bonzini July 17, 2024, 5:03 a.m. UTC

From: Song Gao <[e-mail]>

Signed-off-by: Song Gao <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Paolo Bonzini <[e-mail]>
---
 include/qemu/timer.h | 9 +++++++++
 1 file changed, 9 insertions(+)

Patch

diff --git a/include/qemu/timer.h b/include/qemu/timer.h
index 5ce83c79112..fa56ec9481d 100644
--- a/include/qemu/timer.h
+++ b/include/qemu/timer.h
@@ -1016,6 +1016,15 @@  static inline int64_t cpu_get_host_ticks(void)
     return val;
 }
 
+#elif defined(__loongarch64)
+static inline int64_t cpu_get_host_ticks(void)
+{
+    uint64_t val;
+
+    asm volatile("rdtime.d %0, $zero" : "=r"(val));
+    return val;
+}
+
 #else
 /* The host CPU doesn't have an easily accessible cycle counter.
    Just return a monotonically increasing value.  This will be