cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

sys_microblaze.c (1533B)

      1/*
      2 * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu>
      3 * Copyright (C) 2007-2009 PetaLogix
      4 * Copyright (C) 2007 John Williams <john.williams@petalogix.com>
      5 *
      6 * Copyright (C) 2006 Atmark Techno, Inc.
      7 *	Yasushi SHOJI <yashi@atmark-techno.com>
      8 *	Tetsuya OHKAWA <tetsuya@atmark-techno.com>
      9 *
     10 * This file is subject to the terms and conditions of the GNU General Public
     11 * License. See the file "COPYING" in the main directory of this archive
     12 * for more details.
     13 */
     14
     15#include <linux/errno.h>
     16#include <linux/export.h>
     17#include <linux/mm.h>
     18#include <linux/smp.h>
     19#include <linux/syscalls.h>
     20#include <linux/sem.h>
     21#include <linux/msg.h>
     22#include <linux/shm.h>
     23#include <linux/stat.h>
     24#include <linux/mman.h>
     25#include <linux/sys.h>
     26#include <linux/ipc.h>
     27#include <linux/file.h>
     28#include <linux/err.h>
     29#include <linux/fs.h>
     30#include <linux/semaphore.h>
     31#include <linux/uaccess.h>
     32#include <linux/unistd.h>
     33#include <linux/slab.h>
     34#include <asm/syscalls.h>
     35
     36SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len,
     37		unsigned long, prot, unsigned long, flags, unsigned long, fd,
     38		off_t, pgoff)
     39{
     40	if (pgoff & ~PAGE_MASK)
     41		return -EINVAL;
     42
     43	return ksys_mmap_pgoff(addr, len, prot, flags, fd, pgoff >> PAGE_SHIFT);
     44}
     45
     46SYSCALL_DEFINE6(mmap2, unsigned long, addr, unsigned long, len,
     47		unsigned long, prot, unsigned long, flags, unsigned long, fd,
     48		unsigned long, pgoff)
     49{
     50	if (pgoff & (~PAGE_MASK >> 12))
     51		return -EINVAL;
     52
     53	return ksys_mmap_pgoff(addr, len, prot, flags, fd,
     54			       pgoff >> (PAGE_SHIFT - 12));
     55}