Add initial nios2 architecture support

* src/Makefile.am (nobase_private_HEADERS): Add nios2.h.
* src/atomic_ops.h: Include nios2.h if __nios2__.
* src/atomic_ops/sysdeps/gcc/nios2.h: New file.

diff --git a/src/Makefile.am b/src/Makefile.am
index fc09b27..d463427 100644 (file)
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -79,6 +79,7 @@ nobase_private_HEADERS = atomic_ops/ao_version.h \
           atomic_ops/sysdeps/gcc/ia64.h \
           atomic_ops/sysdeps/gcc/m68k.h \
           atomic_ops/sysdeps/gcc/mips.h \
+          atomic_ops/sysdeps/gcc/nios2.h \
           atomic_ops/sysdeps/gcc/powerpc.h \
           atomic_ops/sysdeps/gcc/s390.h \
           atomic_ops/sysdeps/gcc/sh.h \

diff --git a/src/atomic_ops.h b/src/atomic_ops.h
index 33fe00e..ec02ba4 100644 (file)
--- a/src/atomic_ops.h
+++ b/src/atomic_ops.h
@@ -262,6 +262,9 @@
 # if defined(__m68k__)
 #   include "atomic_ops/sysdeps/gcc/m68k.h"
 # endif /* __m68k__ */
+# if defined(__nios2__)
+#   include "atomic_ops/sysdeps/gcc/nios2.h"
+# endif /* __nios2__ */
 # if defined(__powerpc__) || defined(__ppc__) || defined(__PPC__) \
      || defined(__powerpc64__) || defined(__ppc64__)
 #   include "atomic_ops/sysdeps/gcc/powerpc.h"

diff --git a/src/atomic_ops/sysdeps/gcc/nios2.h b/src/atomic_ops/sysdeps/gcc/nios2.h
new file mode 100644 (file)
index 0000000..f402cbb
--- /dev/null
+++ b/src/atomic_ops/sysdeps/gcc/nios2.h
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) 2016 Marek Vasut <marex@denx.de>
+ *
+ * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
+ * OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
+ *
+ * Permission is hereby granted to use or copy this program
+ * for any purpose, provided the above notices are retained on all copies.
+ * Permission to modify the code and to distribute modified code is granted,
+ * provided the above notices are retained, and a notice that the code was
+ * modified is included with the above copyright notice.
+ */
+
+#include "../test_and_set_t_is_ao_t.h"
+#include "generic.h"
+
+#define AO_T_IS_INT