1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Syscall support for the Hexagon architecture
4 *
5 * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
6 */
7
8 #ifndef _ASM_HEXAGON_SYSCALL_H
9 #define _ASM_HEXAGON_SYSCALL_H
10
11 #include <uapi/linux/audit.h>
12 #include <linux/err.h>
13 #include <asm/ptrace.h>
14
15 typedef long (*syscall_fn)(unsigned long, unsigned long,
16 unsigned long, unsigned long,
17 unsigned long, unsigned long);
18
19 #include <asm-generic/syscalls.h>
20
21 extern void *sys_call_table[];
22
23 static inline long syscall_get_nr(struct task_struct *task,
24 struct pt_regs *regs)
25 {
26 return regs->r06;
27 }
28
29 static inline void syscall_get_arguments(struct task_struct *task,
30 struct pt_regs *regs,
31 unsigned long *args)
32 {
33 memcpy(args, &(®s->r00)[0], 6 * sizeof(args[0]));
34 }
35
36 static inline long syscall_get_error(struct task_struct *task,
37 struct pt_regs *regs)
38 {
39 return IS_ERR_VALUE(regs->r00) ? regs->r00 : 0;
40 }
41
42 static inline long syscall_get_return_value(struct task_struct *task,
43 struct pt_regs *regs)
44 {
45 return regs->r00;
46 }
47
48 static inline int syscall_get_arch(struct task_struct *task)
49 {
50 return AUDIT_ARCH_HEXAGON;
51 }
52
53 #endif
54
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