Bring in initial libc and libstand support for RISC-V.

Reviewed by:	andrew, emaste, kib
Sponsored by:	DARPA, AFRL
Sponsored by:	HEIF5
Differential Revision:	https://reviews.freebsd.org/D4943

1 files changed, 14 insertions, 0 deletions

diff --git a/lib/libc/riscv/gen/infinity.c b/lib/libc/riscv/gen/infinity.c
new file mode 100644
index 0000000..115c470
--- /dev/null
+++ b/lib/libc/riscv/gen/infinity.c
@@ -0,0 +1,14 @@
+/*
+ * infinity.c
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <math.h>
+
+/* bytes for +Infinity on riscv */
+const union __infinity_un __infinity = { { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f } };
+
+/* bytes for NaN */
+const union __nan_un __nan = { { 0, 0, 0xc0, 0xff } };