qemu/timer: Add host ticks function for LoongArch
Signed-off-by: Song Gao <gaosong@loongson.cn>
Link: https://lore.kernel.org/r/20240716031500.4193498-1-gaosong@loongson.cn
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/include/qemu/timer.h b/include/qemu/timer.h
index 5ce83c7..fa56ec9 100644
--- a/include/qemu/timer.h
+++ b/include/qemu/timer.h
@@ -1016,6 +1016,15 @@
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