forked from Minki/linux
9952f6918d
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms and conditions of the gnu general public license version 2 as published by the free software foundation this program is distributed in the hope it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not see http www gnu org licenses extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 228 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Steve Winslow <swinslow@gmail.com> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190528171438.107155473@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
78 lines
1.6 KiB
C
78 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright Altera Corporation (C) <2014>. All rights reserved
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*/
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#ifndef __ASM_NIOS2_SYSCALL_H__
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#define __ASM_NIOS2_SYSCALL_H__
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#include <uapi/linux/audit.h>
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#include <linux/err.h>
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#include <linux/sched.h>
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static inline int syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
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{
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return regs->r2;
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}
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static inline void syscall_rollback(struct task_struct *task,
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struct pt_regs *regs)
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{
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regs->r2 = regs->orig_r2;
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regs->r7 = regs->orig_r7;
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}
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static inline long syscall_get_error(struct task_struct *task,
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struct pt_regs *regs)
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{
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return regs->r7 ? regs->r2 : 0;
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}
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static inline long syscall_get_return_value(struct task_struct *task,
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struct pt_regs *regs)
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{
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return regs->r2;
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}
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static inline void syscall_set_return_value(struct task_struct *task,
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struct pt_regs *regs, int error, long val)
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{
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if (error) {
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/* error < 0, but nios2 uses > 0 return value */
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regs->r2 = -error;
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regs->r7 = 1;
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} else {
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regs->r2 = val;
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regs->r7 = 0;
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}
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}
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static inline void syscall_get_arguments(struct task_struct *task,
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struct pt_regs *regs, unsigned long *args)
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{
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*args++ = regs->r4;
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*args++ = regs->r5;
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*args++ = regs->r6;
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*args++ = regs->r7;
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*args++ = regs->r8;
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*args = regs->r9;
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}
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static inline void syscall_set_arguments(struct task_struct *task,
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struct pt_regs *regs, const unsigned long *args)
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{
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regs->r4 = *args++;
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regs->r5 = *args++;
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regs->r6 = *args++;
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regs->r7 = *args++;
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regs->r8 = *args++;
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regs->r9 = *args;
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}
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static inline int syscall_get_arch(struct task_struct *task)
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{
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return AUDIT_ARCH_NIOS2;
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}
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#endif
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