1 files changed, 66 insertions, 0 deletions
diff --git a/ports/sysdeps/am33/fpu/bits/fenv.h b/ports/sysdeps/am33/fpu/bits/fenv.h
new file mode 100644
index 0000000000..d3a89982bf
--- /dev/null
+++ b/ports/sysdeps/am33/fpu/bits/fenv.h
@@ -0,0 +1,66 @@
+/* Copyright (C) 1998, 1999, 2000, 2004 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Alexandre Oliva <aoliva@redhat.com>
+   based on the corresponding file in the mips port.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _FENV_H
+# error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
+#endif
+
+
+/* Define bits representing the exception.  We use the EF bit
+   positions of the appropriate bits in the FPCR register.  */
+enum
+  {
+    FE_INEXACT = 0x01,
+#define FE_INEXACT	FE_INEXACT
+    FE_UNDERFLOW = 0x02,
+#define FE_UNDERFLOW	FE_UNDERFLOW
+    FE_OVERFLOW = 0x04,
+#define FE_OVERFLOW	FE_OVERFLOW
+    FE_DIVBYZERO = 0x08,
+#define FE_DIVBYZERO	FE_DIVBYZERO
+    FE_INVALID = 0x10,
+#define FE_INVALID	FE_INVALID
+  };
+
+#define FE_ALL_EXCEPT \
+	(FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID)
+
+/* The AM33/2.0 FPU supports only Round to nearest.  Bits 3<<16 are
+   reserved to represent other rounding modes.  */
+enum
+  {
+    FE_TONEAREST = 0x00000,
+#define FE_TONEAREST	FE_TONEAREST
+  };
+
+
+/* Type representing exception flags.  */
+typedef unsigned int fexcept_t;
+
+
+/* Type representing floating-point environment.  */
+typedef unsigned int fenv_t;
+
+/* If the default argument is used we use this value.  */
+#define FE_DFL_ENV	((__const fenv_t *) -1)
+
+#ifdef __USE_GNU
+/* Floating-point environment where none of the exception is masked.  */
+# define FE_NOMASK_ENV  ((__const fenv_t *) -2)
+#endif