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Based on 1 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 as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
115 lines
3.2 KiB
C
115 lines
3.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* sys_ppc32.c: Conversion between 32bit and 64bit native syscalls.
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*
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* Copyright (C) 2001 IBM
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* Copyright (C) 1997,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
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* Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
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*
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* These routines maintain argument size conversion between 32bit and 64bit
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* environment.
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*/
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#include <linux/kernel.h>
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#include <linux/sched.h>
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#include <linux/fs.h>
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#include <linux/mm.h>
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#include <linux/file.h>
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#include <linux/signal.h>
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#include <linux/resource.h>
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#include <linux/times.h>
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#include <linux/smp.h>
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#include <linux/sem.h>
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#include <linux/msg.h>
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#include <linux/shm.h>
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#include <linux/poll.h>
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#include <linux/personality.h>
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#include <linux/stat.h>
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#include <linux/mman.h>
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#include <linux/in.h>
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#include <linux/syscalls.h>
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#include <linux/unistd.h>
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#include <linux/sysctl.h>
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#include <linux/binfmts.h>
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#include <linux/security.h>
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#include <linux/compat.h>
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#include <linux/ptrace.h>
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#include <linux/elf.h>
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#include <linux/ipc.h>
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#include <linux/slab.h>
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#include <asm/ptrace.h>
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#include <asm/types.h>
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#include <linux/uaccess.h>
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#include <asm/unistd.h>
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#include <asm/time.h>
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#include <asm/mmu_context.h>
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#include <asm/ppc-pci.h>
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#include <asm/syscalls.h>
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#include <asm/switch_to.h>
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unsigned long compat_sys_mmap2(unsigned long addr, size_t len,
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unsigned long prot, unsigned long flags,
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unsigned long fd, unsigned long pgoff)
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{
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/* This should remain 12 even if PAGE_SIZE changes */
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return sys_mmap(addr, len, prot, flags, fd, pgoff << 12);
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}
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/*
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* long long munging:
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* The 32 bit ABI passes long longs in an odd even register pair.
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*/
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compat_ssize_t compat_sys_pread64(unsigned int fd, char __user *ubuf, compat_size_t count,
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u32 reg6, u32 poshi, u32 poslo)
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{
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return ksys_pread64(fd, ubuf, count, ((loff_t)poshi << 32) | poslo);
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}
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compat_ssize_t compat_sys_pwrite64(unsigned int fd, const char __user *ubuf, compat_size_t count,
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u32 reg6, u32 poshi, u32 poslo)
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{
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return ksys_pwrite64(fd, ubuf, count, ((loff_t)poshi << 32) | poslo);
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}
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compat_ssize_t compat_sys_readahead(int fd, u32 r4, u32 offhi, u32 offlo, u32 count)
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{
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return ksys_readahead(fd, ((loff_t)offhi << 32) | offlo, count);
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}
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asmlinkage int compat_sys_truncate64(const char __user * path, u32 reg4,
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unsigned long high, unsigned long low)
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{
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return ksys_truncate(path, (high << 32) | low);
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}
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asmlinkage long compat_sys_fallocate(int fd, int mode, u32 offhi, u32 offlo,
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u32 lenhi, u32 lenlo)
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{
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return ksys_fallocate(fd, mode, ((loff_t)offhi << 32) | offlo,
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((loff_t)lenhi << 32) | lenlo);
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}
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asmlinkage int compat_sys_ftruncate64(unsigned int fd, u32 reg4, unsigned long high,
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unsigned long low)
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{
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return ksys_ftruncate(fd, (high << 32) | low);
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}
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long ppc32_fadvise64(int fd, u32 unused, u32 offset_high, u32 offset_low,
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size_t len, int advice)
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{
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return ksys_fadvise64_64(fd, (u64)offset_high << 32 | offset_low, len,
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advice);
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}
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asmlinkage long compat_sys_sync_file_range2(int fd, unsigned int flags,
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unsigned offset_hi, unsigned offset_lo,
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unsigned nbytes_hi, unsigned nbytes_lo)
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{
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loff_t offset = ((loff_t)offset_hi << 32) | offset_lo;
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loff_t nbytes = ((loff_t)nbytes_hi << 32) | nbytes_lo;
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return ksys_sync_file_range(fd, offset, nbytes, flags);
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}
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