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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
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/*
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* OpenRISC sys_or32.c
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*
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* Linux architectural port borrowing liberally from similar works of
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* others. All original copyrights apply as per the original source
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* declaration.
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*
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* Modifications for the OpenRISC architecture:
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* Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
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* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*
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* This file contains various random system calls that
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* have a non-standard calling sequence on some platforms.
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* Since we don't have to do any backwards compatibility, our
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* versions are done in the most "normal" way possible.
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*/
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#include <linux/errno.h>
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#include <linux/syscalls.h>
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#include <linux/mm.h>
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#include <asm/syscalls.h>
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/* These are secondary entry points as the primary entry points are defined in
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* entry.S where we add the 'regs' parameter value
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*/
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asmlinkage long _sys_clone(unsigned long clone_flags, unsigned long newsp,
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int __user *parent_tid, int __user *child_tid,
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struct pt_regs *regs)
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{
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long ret;
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/* FIXME: Is alignment necessary? */
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/* newsp = ALIGN(newsp, 4); */
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if (!newsp)
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newsp = regs->sp;
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ret = do_fork(clone_flags, newsp, regs, 0, parent_tid, child_tid);
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return ret;
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}
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asmlinkage int _sys_fork(struct pt_regs *regs)
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{
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#ifdef CONFIG_MMU
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return do_fork(SIGCHLD, regs->sp, regs, 0, NULL, NULL);
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#else
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return -EINVAL;
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#endif
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}
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