1 /* SPDX-License-Identifier: GPL-2.0 */
3 #ifndef __ASM_SYSCALL_H
4 #define __ASM_SYSCALL_H
6 #include <linux/sched.h>
8 #include <abi/regdef.h>
9 #include <uapi/linux/audit.h>
12 syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
14 return regs_syscallid(regs);
18 syscall_rollback(struct task_struct *task, struct pt_regs *regs)
20 regs->a0 = regs->orig_a0;
24 syscall_get_error(struct task_struct *task, struct pt_regs *regs)
26 unsigned long error = regs->a0;
28 return IS_ERR_VALUE(error) ? error : 0;
32 syscall_get_return_value(struct task_struct *task, struct pt_regs *regs)
38 syscall_set_return_value(struct task_struct *task, struct pt_regs *regs,
41 regs->a0 = (long) error ?: val;
45 syscall_get_arguments(struct task_struct *task, struct pt_regs *regs,
48 args[0] = regs->orig_a0;
50 memcpy(args, ®s->a1, 5 * sizeof(args[0]));
54 syscall_set_arguments(struct task_struct *task, struct pt_regs *regs,
55 const unsigned long *args)
57 regs->orig_a0 = args[0];
59 memcpy(®s->a1, args, 5 * sizeof(regs->a1));
63 syscall_get_arch(void)
65 return AUDIT_ARCH_CSKY;
68 #endif /* __ASM_SYSCALL_H */