diff options
author | Gabe Black <gabeblack@google.com> | 2018-05-18 02:12:34 -0700 |
---|---|---|
committer | Gabe Black <gabeblack@google.com> | 2018-08-08 10:07:26 +0000 |
commit | 7adb1b250b712920ea5d685f146ad6df55346393 (patch) | |
tree | c431de9f29f2c7d1dc5a6e581cfcf7031bb26a49 /src/systemc/ext/utils/endian.hh | |
parent | 4b2e28307d0a1c2b31e403e8e394261eb363a7a9 (diff) | |
download | gem5-7adb1b250b712920ea5d685f146ad6df55346393.tar.xz |
systemc: Stub out all the standard utilility classes and functions.
Change-Id: I9e9724edb6281e0b0a6bae5546b0ede77d295c12
Reviewed-on: https://gem5-review.googlesource.com/10841
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
Diffstat (limited to 'src/systemc/ext/utils/endian.hh')
-rw-r--r-- | src/systemc/ext/utils/endian.hh | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/systemc/ext/utils/endian.hh b/src/systemc/ext/utils/endian.hh new file mode 100644 index 000000000..fcf47e824 --- /dev/null +++ b/src/systemc/ext/utils/endian.hh @@ -0,0 +1,79 @@ +// Copyright 2005 Caleb Epstein +// Copyright 2006 John Maddock +// Copyright 2010 Rene Rivera +// Distributed under the Boost Software License, Version 1.0. (See accompany- +// ing file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) + +/* + * Copyright (c) 1997 + * Silicon Graphics Computer Systems, Inc. + * + * Permission to use, copy, modify, distribute and sell this software + * and its documentation for any purpose is hereby granted without fee, + * provided that the above copyright notice appear in all copies and + * that both that copyright notice and this permission notice appear + * in supporting documentation. Silicon Graphics makes no + * representations about the suitability of this software for any + * purpose. It is provided "as is" without express or implied warranty. + */ + +/* + * Copyright notice reproduced from <sysc/packages/boost/detail/limits.hpp>, + * from which this code was originally taken. + * + * Modified by Caleb Epstein to use <endian.h> with GNU libc and to + * defined the SC_BOOST_ENDIAN macro. + */ + +#ifndef __SYSTEMC_EXT_UTILS_ENDIAN_HH__ +#define __SYSTEMC_EXT_UTILS_ENDIAN_HH__ + +// GNU libc offers the helpful header <endian.h> which defines +// __BYTE_ORDER + +#if defined (__GLIBC__) +# include <endian.h> +# if (__BYTE_ORDER == __LITTLE_ENDIAN) +# define SC_BOOST_LITTLE_ENDIAN +# elif (__BYTE_ORDER == __BIG_ENDIAN) +# define SC_BOOST_BIG_ENDIAN +# elif (__BYTE_ORDER == __PDP_ENDIAN) +# define SC_BOOST_PDP_ENDIAN +# else +# error Unknown machine endianness detected. +# endif +# define SC_BOOST_BYTE_ORDER __BYTE_ORDER +#elif defined(_BIG_ENDIAN) && !defined(_LITTLE_ENDIAN) || \ + defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__) || \ + defined(_STLP_BIG_ENDIAN) && !defined(_STLP_LITTLE_ENDIAN) +# define SC_BOOST_BIG_ENDIAN +# define SC_BOOST_BYTE_ORDER 4321 +#elif defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN) || \ + defined(__LITTLE_ENDIAN__) && !defined(__BIG_ENDIAN__) || \ + defined(_STLP_LITTLE_ENDIAN) && !defined(_STLP_BIG_ENDIAN) +# define SC_BOOST_LITTLE_ENDIAN +# define SC_BOOST_BYTE_ORDER 1234 +#elif defined(__sparc) || defined(__sparc__) \ + || defined(_POWER) || defined(__powerpc__) \ + || defined(__ppc__) || defined(__ppc64__) \ + || defined(__hpux) || defined(__hppa) \ + || defined(_MIPSEB) || defined(_POWER) \ + || defined(__s390__) +# define SC_BOOST_BIG_ENDIAN +# define SC_BOOST_BYTE_ORDER 4321 +#elif defined(__i386__) || defined(__alpha__) \ + || defined(__ia64) || defined(__ia64__) \ + || defined(_M_IX86) || defined(_M_IA64) \ + || defined(_M_ALPHA) || defined(__amd64) \ + || defined(__amd64__) || defined(_M_AMD64) \ + || defined(__x86_64) || defined(__x86_64__) \ + || defined(_M_X64) || defined(__bfin__) + +# define SC_BOOST_LITTLE_ENDIAN +# define SC_BOOST_BYTE_ORDER 1234 +#else +# error The file boost/detail/endian.hpp needs to be set up for your CPU type. +#endif + + +#endif // __SYSTEMC_EXT_UTILS_ENDIAN_HH__ |