1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _ASM_M68K_SYSCALL_H 3#define _ASM_M68K_SYSCALL_H 4 5#include <uapi/linux/audit.h> 6 7#include <asm/unistd.h> 8 9extern const unsigned long sys_call_table[]; 10 11static inline int syscall_get_nr(struct task_struct *task, 12 struct pt_regs *regs) 13{ 14 return regs->orig_d0; 15} 16 17static inline void syscall_rollback(struct task_struct *task, 18 struct pt_regs *regs) 19{ 20 regs->d0 = regs->orig_d0; 21} 22 23static inline long syscall_get_error(struct task_struct *task, 24 struct pt_regs *regs) 25{ 26 unsigned long error = regs->d0; 27 28 return IS_ERR_VALUE(error) ? error : 0; 29} 30 31static inline long syscall_get_return_value(struct task_struct *task, 32 struct pt_regs *regs) 33{ 34 return regs->d0; 35} 36 37static inline void syscall_set_return_value(struct task_struct *task, 38 struct pt_regs *regs, 39 int error, long val) 40{ 41 regs->d0 = (long)error ?: val; 42} 43 44static inline void syscall_get_arguments(struct task_struct *task, 45 struct pt_regs *regs, 46 unsigned long *args) 47{ 48 args[0] = regs->orig_d0; 49 args++; 50 51 memcpy(args, ®s->d1, 5 * sizeof(args[0])); 52} 53 54static inline void syscall_set_arguments(struct task_struct *task, 55 struct pt_regs *regs, 56 unsigned long *args) 57{ 58 regs->orig_d0 = args[0]; 59 args++; 60 61 memcpy(®s->d1, args, 5 * sizeof(args[0])); 62} 63 64static inline int syscall_get_arch(struct task_struct *task) 65{ 66 return AUDIT_ARCH_M68K; 67} 68 69#endif /* _ASM_M68K_SYSCALL_H */ 70