From 917b9eebbc6dd580e2fa5a4e2b18ea609655b19e Mon Sep 17 00:00:00 2001 From: Vineet Gupta Date: Fri, 13 Dec 2013 14:49:25 +0530 Subject: 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 Signed-off-by: Bernhard Reutner-Fischer --- libc/sysdeps/linux/arc/bits/uClibc_page.h | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100755 libc/sysdeps/linux/arc/bits/uClibc_page.h (limited to 'libc/sysdeps/linux/arc/bits/uClibc_page.h') 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 + +/* TBD: fix this with runtime value for a PAGE_SIZE agnostic uClibc */ +#define MMAP2_PAGE_SHIFT PAGE_SHIFT + +#endif /* _UCLIBC_PAGE_H */ -- cgit v1.2.3