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/* SPDX-License-Identifier: GPL-2.0 */
/* syscall.h */
#ifndef _ASM_PARISC_SYSCALL_H_
#define _ASM_PARISC_SYSCALL_H_
#include <uapi/linux/audit.h>
#include <linux/compat.h>
#include <linux/err.h>
#include <asm/ptrace.h>
#define NR_syscalls (__NR_Linux_syscalls)
static inline long syscall_get_nr(struct task_struct *tsk,
struct pt_regs *regs)
{
return regs->gr[20];
}
static inline void syscall_get_arguments(struct task_struct *tsk,
struct pt_regs *regs, unsigned int i,
unsigned int n, unsigned long *args)
{
BUG_ON(i);
switch (n) {
case 6:
args[5] = regs->gr[21];
case 5:
args[4] = regs->gr[22];
case 4:
args[3] = regs->gr[23];
case 3:
args[2] = regs->gr[24];
case 2:
args[1] = regs->gr[25];
case 1:
args[0] = regs->gr[26];
case 0:
break;
default:
BUG();
}
}
static inline long syscall_get_return_value(struct task_struct *task,
struct pt_regs *regs)
{
return regs->gr[28];
}
static inline void syscall_set_return_value(struct task_struct *task,
struct pt_regs *regs,
int error, long val)
{
regs->gr[28] = error ? error : val;
}
static inline void syscall_rollback(struct task_struct *task,
struct pt_regs *regs)
{
/* do nothing */
}
static inline int syscall_get_arch(void)
{
int arch = AUDIT_ARCH_PARISC;
#ifdef CONFIG_64BIT
if (!is_compat_task())
arch = AUDIT_ARCH_PARISC64;
#endif
return arch;
}
#endif /*_ASM_PARISC_SYSCALL_H_*/
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