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-rw-r--r--arch/tile/kernel/sys.c130
1 files changed, 0 insertions, 130 deletions
diff --git a/arch/tile/kernel/sys.c b/arch/tile/kernel/sys.c
deleted file mode 100644
index c7418dcbbb08..000000000000
--- a/arch/tile/kernel/sys.c
+++ /dev/null
@@ -1,130 +0,0 @@
-/*
- * Copyright 2010 Tilera Corporation. All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, version 2.
- *
- * This program 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, GOOD TITLE or
- * NON INFRINGEMENT. See the GNU General Public License for
- * more details.
- *
- * This file contains various random system calls that
- * have a non-standard calling sequence on the Linux/TILE
- * platform.
- */
-
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/smp.h>
-#include <linux/syscalls.h>
-#include <linux/mman.h>
-#include <linux/file.h>
-#include <linux/mempolicy.h>
-#include <linux/binfmts.h>
-#include <linux/fs.h>
-#include <linux/compat.h>
-#include <linux/uaccess.h>
-#include <linux/signal.h>
-#include <asm/syscalls.h>
-#include <asm/pgtable.h>
-#include <asm/homecache.h>
-#include <asm/cachectl.h>
-#include <asm/byteorder.h>
-#include <arch/chip.h>
-
-SYSCALL_DEFINE3(cacheflush, unsigned long, addr, unsigned long, len,
- unsigned long, flags)
-{
- /* DCACHE is not particularly effective if not bound to one cpu. */
- if (flags & DCACHE)
- homecache_evict(cpumask_of(raw_smp_processor_id()));
-
- if (flags & ICACHE)
- flush_remote(0, HV_FLUSH_EVICT_L1I, mm_cpumask(current->mm),
- 0, 0, 0, NULL, NULL, 0);
- return 0;
-}
-
-/*
- * Syscalls that pass 64-bit values on 32-bit systems normally
- * pass them as (low,high) word packed into the immediately adjacent
- * registers. If the low word naturally falls on an even register,
- * our ABI makes it work correctly; if not, we adjust it here.
- * Handling it here means we don't have to fix uclibc AND glibc AND
- * any other standard libcs we want to support.
- */
-
-#if !defined(__tilegx__) || defined(CONFIG_COMPAT)
-
-#ifdef __BIG_ENDIAN
-#define SYSCALL_PAIR(name) u32 name ## _hi, u32 name ## _lo
-#else
-#define SYSCALL_PAIR(name) u32 name ## _lo, u32 name ## _hi
-#endif
-
-ssize_t sys32_readahead(int fd, SYSCALL_PAIR(offset), u32 count)
-{
- return sys_readahead(fd, ((loff_t)offset_hi << 32) | offset_lo, count);
-}
-
-int sys32_fadvise64_64(int fd, SYSCALL_PAIR(offset),
- SYSCALL_PAIR(len), int advice)
-{
- return sys_fadvise64_64(fd, ((loff_t)offset_hi << 32) | offset_lo,
- ((loff_t)len_hi << 32) | len_lo, advice);
-}
-
-#endif /* 32-bit syscall wrappers */
-
-/* Note: used by the compat code even in 64-bit Linux. */
-SYSCALL_DEFINE6(mmap2, unsigned long, addr, unsigned long, len,
- unsigned long, prot, unsigned long, flags,
- unsigned long, fd, unsigned long, off_4k)
-{
-#define PAGE_ADJUST (PAGE_SHIFT - 12)
- if (off_4k & ((1 << PAGE_ADJUST) - 1))
- return -EINVAL;
- return sys_mmap_pgoff(addr, len, prot, flags, fd,
- off_4k >> PAGE_ADJUST);
-}
-
-#ifdef __tilegx__
-SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len,
- unsigned long, prot, unsigned long, flags,
- unsigned long, fd, off_t, offset)
-{
- if (offset & ((1 << PAGE_SHIFT) - 1))
- return -EINVAL;
- return sys_mmap_pgoff(addr, len, prot, flags, fd,
- offset >> PAGE_SHIFT);
-}
-#endif
-
-
-/* Provide the actual syscall number to call mapping. */
-#undef __SYSCALL
-#define __SYSCALL(nr, call) [nr] = (call),
-
-#ifndef __tilegx__
-/* See comments at the top of the file. */
-#define sys_fadvise64_64 sys32_fadvise64_64
-#define sys_readahead sys32_readahead
-#endif
-
-/* Call the assembly trampolines where necessary. */
-#undef sys_rt_sigreturn
-#define sys_rt_sigreturn _sys_rt_sigreturn
-#define sys_clone _sys_clone
-
-/*
- * Note that we can't include <linux/unistd.h> here since the header
- * guard will defeat us; <asm/unistd.h> checks for __SYSCALL as well.
- */
-void *sys_call_table[__NR_syscalls] = {
- [0 ... __NR_syscalls-1] = sys_ni_syscall,
-#include <asm/unistd.h>
-};