1 files changed, 29 insertions, 0 deletions
diff --git a/lib/libc/arch/riscv64/gen/fpgetround.c b/lib/libc/arch/riscv64/gen/fpgetround.c
new file mode 100644
index 00000000000..6d2351f9d1e
--- /dev/null
+++ b/lib/libc/arch/riscv64/gen/fpgetround.c
@@ -0,0 +1,29 @@
+/*	$OpenBSD: fpgetround.c,v 1.1 2021/04/29 17:19:18 kettenis Exp $	*/
+/*
+ * Copyright (c) 2021 Mark Kettenis <kettenis@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+#include <ieeefp.h>
+
+fp_rnd
+fpgetround(void)
+{
+	uint32_t frm;
+
+	__asm volatile ("frrm %0" : "=r"(frm));
+	return frm & 0x3;
+}
+DEF_WEAK(fpgetround);