1 /* Xtensa configuration settings.
2 Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
3 Free Software Foundation, Inc.
4 Contributed by Bob Wilson (bwilson@tensilica.com) at Tensilica.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
20 #ifndef XTENSA_CONFIG_H
21 #define XTENSA_CONFIG_H
23 /* The macros defined here match those with the same names in the Xtensa
24 compile-time HAL (Hardware Abstraction Layer). Please refer to the
25 Xtensa System Software Reference Manual for documentation of these
28 /* The following macros reflect the default expectations for Xtensa
29 processor configurations that can run glibc. If you want to try
30 building glibc for an Xtensa configuration that is missing these
31 options, you will at least need to change the values of these
35 #define XCHAL_HAVE_NSA 1
37 #undef XCHAL_HAVE_LOOPS
38 #define XCHAL_HAVE_LOOPS 1
40 /* Assume the maximum number of AR registers. This currently only affects
41 the __window_spill function, and it is always safe to flush extra. */
43 #undef XCHAL_NUM_AREGS
44 #define XCHAL_NUM_AREGS 64
46 #endif /* !XTENSA_CONFIG_H */