diff options
author | Vineet Gupta <vgupta@synopsys.com> | 2013-12-13 14:49:25 +0530 |
---|---|---|
committer | Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> | 2013-12-20 14:38:23 +0100 |
commit | 917b9eebbc6dd580e2fa5a4e2b18ea609655b19e (patch) | |
tree | c1b6c5c73db18a0daaca8327d28a0d5babd0f5cc /libc/sysdeps/linux/arc/bits/uClibc_page.h | |
parent | 1ce639990b6340a8b9f18d076c427fcf5a93695e (diff) |
ARC port to uClibc
For this port, I would like to give due credit to:
- Folks from Codito technologies (Sameer, Amit, Kanika, Ramana,...)
who did the very first port
- ARC UK from 2007-2009 (Joern, Irfan, Khurram, Phil...
- Late Brendan Kehoe (may he RIP)
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Diffstat (limited to 'libc/sysdeps/linux/arc/bits/uClibc_page.h')
-rwxr-xr-x | libc/sysdeps/linux/arc/bits/uClibc_page.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/arc/bits/uClibc_page.h b/libc/sysdeps/linux/arc/bits/uClibc_page.h new file mode 100755 index 000000000..26cec54c9 --- /dev/null +++ b/libc/sysdeps/linux/arc/bits/uClibc_page.h @@ -0,0 +1,26 @@ +/* + * Copyright (C) 2013 Synopsys, Inc. (www.synopsys.com) + * + * Licensed under the LGPL v2.1 or later, see the file COPYING.LIB in this tarball. + */ + +#ifndef _UCLIBC_PAGE_H +#define _UCLIBC_PAGE_H + +/* + * ARC700/linux supports 4k, 8k, 16k pages (build time). + * We rely on the kernel exported header (aka uapi headers since 3.8) + * for PAGE_SIZE and friends. This avoids hand-editing here when building + * toolchain. + * + * Although uClibc determines page size dynamically, from kernel's auxv which + * ARC Linux does pass, still the generic code needs a fall back + * _dl_pagesize = auxvt[AT_PAGESZ].a_un.a_val ? : PAGE_SIZE + * + */ +#include <asm/page.h> + +/* TBD: fix this with runtime value for a PAGE_SIZE agnostic uClibc */ +#define MMAP2_PAGE_SHIFT PAGE_SHIFT + +#endif /* _UCLIBC_PAGE_H */ |