diff options
Diffstat (limited to 'libc/sysdeps/linux/microblaze/bits/uClibc_page.h')
| -rw-r--r-- | libc/sysdeps/linux/microblaze/bits/uClibc_page.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/microblaze/bits/uClibc_page.h b/libc/sysdeps/linux/microblaze/bits/uClibc_page.h new file mode 100644 index 000000000..8fc81ae32 --- /dev/null +++ b/libc/sysdeps/linux/microblaze/bits/uClibc_page.h @@ -0,0 +1,41 @@ +/* Copyright (C) 2004 Erik Andersen + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the Free + * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +/* Supply an architecture specific value for PAGE_SIZE and friends. */ + +#ifndef _UCLIBC_PAGE_H +#define _UCLIBC_PAGE_H + +#include <linux/autoconf.h> + +#if defined(CONFIG_MICROBLAZE_32K_PAGES) +#define PAGE_SHIFT 15 +#elif defined(CONFIG_MICROBLAZE_16K_PAGES) +#define PAGE_SHIFT 14 +#elif defined(CONFIG_MICROBLAZE_8K_PAGES) +#define PAGE_SHIFT 13 +#elif defined(CONFIG_MICROBLAZE_4K_PAGES) +#define PAGE_SHIFT 12 +#else +#warning Missing CONFIG_MICROBLAZE_nnK_PAGES, assuming 4K +#define PAGE_SHIFT 12 +#endif + +#define PAGE_SIZE (1UL << PAGE_SHIFT) +#define PAGE_MASK (~(PAGE_SIZE-1)) + +#endif /* _UCLIBC_PAGE_H */ |