d2912cb15b
Based on 2 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Port on Texas Instruments TMS320C6x architecture
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*
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* Copyright (C) 2004, 2009, 2010, 2011 Texas Instruments Incorporated
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* Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com)
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*/
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#include <linux/module.h>
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#include <linux/syscalls.h>
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#include <linux/uaccess.h>
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#include <asm/syscalls.h>
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#ifdef CONFIG_ACCESS_CHECK
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int _access_ok(unsigned long addr, unsigned long size)
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{
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if (!size)
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return 1;
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if (!addr || addr > (0xffffffffUL - (size - 1)))
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goto _bad_access;
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if (uaccess_kernel())
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return 1;
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if (memory_start <= addr && (addr + size - 1) < memory_end)
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return 1;
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_bad_access:
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pr_debug("Bad access attempt: pid[%d] addr[%08lx] size[0x%lx]\n",
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current->pid, addr, size);
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return 0;
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}
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EXPORT_SYMBOL(_access_ok);
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#endif
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/* sys_cache_sync -- sync caches over given range */
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asmlinkage int sys_cache_sync(unsigned long s, unsigned long e)
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{
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L1D_cache_block_writeback_invalidate(s, e);
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L1P_cache_block_invalidate(s, e);
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return 0;
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}
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/* Provide the actual syscall number to call mapping. */
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#undef __SYSCALL
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#define __SYSCALL(nr, call) [nr] = (call),
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/*
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* Use trampolines
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*/
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#define sys_pread64 sys_pread_c6x
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#define sys_pwrite64 sys_pwrite_c6x
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#define sys_truncate64 sys_truncate64_c6x
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#define sys_ftruncate64 sys_ftruncate64_c6x
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#define sys_fadvise64 sys_fadvise64_c6x
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#define sys_fadvise64_64 sys_fadvise64_64_c6x
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#define sys_fallocate sys_fallocate_c6x
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/* Use sys_mmap_pgoff directly */
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#define sys_mmap2 sys_mmap_pgoff
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/*
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* Note that we can't include <linux/unistd.h> here since the header
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* guard will defeat us; <asm/unistd.h> checks for __SYSCALL as well.
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*/
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void *sys_call_table[__NR_syscalls] = {
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[0 ... __NR_syscalls-1] = sys_ni_syscall,
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#include <asm/unistd.h>
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};
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