diff options
Diffstat (limited to 'libc/sysdeps/linux/xtensa/bits/xtensa-config.h')
| -rw-r--r-- | libc/sysdeps/linux/xtensa/bits/xtensa-config.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/xtensa/bits/xtensa-config.h b/libc/sysdeps/linux/xtensa/bits/xtensa-config.h new file mode 100644 index 000000000..34cf28c0a --- /dev/null +++ b/libc/sysdeps/linux/xtensa/bits/xtensa-config.h @@ -0,0 +1,53 @@ +/* Xtensa configuration settings. + Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007 + Free Software Foundation, Inc. + Contributed by Bob Wilson (bwilson@tensilica.com) at Tensilica. + + 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, write to the Free + Software Foundation, Inc., 51 Franklin Street - Fifth Floor, + Boston, MA 02110-1301, USA. */ + +#ifndef XTENSA_CONFIG_H +#define XTENSA_CONFIG_H + +/* The macros defined here match those with the same names in the Xtensa + compile-time HAL (Hardware Abstraction Layer). Please refer to the + Xtensa System Software Reference Manual for documentation of these + macros. */ + +/* The following macros reflect the default expectations for Xtensa + processor configurations that can run glibc. If you want to try + building glibc for an Xtensa configuration that is missing these + options, you will at least need to change the values of these + macros. */ + +#undef XCHAL_HAVE_NSA +#define XCHAL_HAVE_NSA 1 + +#undef XCHAL_HAVE_LOOPS +#define XCHAL_HAVE_LOOPS 1 + +/* Assume the maximum number of AR registers. This currently only affects + the __window_spill function, and it is always safe to flush extra. */ + +#undef XCHAL_NUM_AREGS +#define XCHAL_NUM_AREGS 64 + +/* Set a default page size. This is currently needed when bootstrapping + the runtime linker. See comments in dl-machine.h where this is used. */ + +#undef XCHAL_MMU_MIN_PTE_PAGE_SIZE +#define XCHAL_MMU_MIN_PTE_PAGE_SIZE 12 + +#endif /* !XTENSA_CONFIG_H */ |