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, &regs->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(&regs->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