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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Syscall support for the Hexagon architecture
*
* Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
*/
#ifndef _ASM_HEXAGON_SYSCALL_H
#define _ASM_HEXAGON_SYSCALL_H
#include <uapi/linux/audit.h>
#include <linux/err.h>
#include <asm/ptrace.h>
typedef long (*syscall_fn)(unsigned long, unsigned long,
unsigned long, unsigned long,
unsigned long, unsigned long);
#include <asm-generic/syscalls.h>
extern void *sys_call_table[];
static inline long syscall_get_nr(struct task_struct *task,
struct pt_regs *regs)
{
return regs->r06;
}
static inline void syscall_set_nr(struct task_struct *task,
struct pt_regs *regs,
int nr)
{
regs->r06 = nr;
}
static inline void syscall_get_arguments(struct task_struct *task,
struct pt_regs *regs,
unsigned long *args)
{
memcpy(args, &(®s->r00)[0], 6 * sizeof(args[0]));
}
static inline void syscall_set_arguments(struct task_struct *task,
struct pt_regs *regs,
unsigned long *args)
{
memcpy(&(®s->r00)[0], args, 6 * sizeof(args[0]));
}
static inline long syscall_get_error(struct task_struct *task,
struct pt_regs *regs)
{
return IS_ERR_VALUE(regs->r00) ? regs->r00 : 0;
}
static inline long syscall_get_return_value(struct task_struct *task,
struct pt_regs *regs)
{
return regs->r00;
}
static inline void syscall_set_return_value(struct task_struct *task,
struct pt_regs *regs,
int error, long val)
{
regs->r00 = (long) error ?: val;
}
static inline int syscall_get_arch(struct task_struct *task)
{
return AUDIT_ARCH_HEXAGON;
}
#endif
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