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>
11 extern void *sys_call_table[];
14 syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
16 return regs_syscallid(regs);
20 syscall_set_nr(struct task_struct *task, struct pt_regs *regs,
23 regs_syscallid(regs) = sysno;
27 syscall_rollback(struct task_struct *task, struct pt_regs *regs)
29 regs->a0 = regs->orig_a0;
33 syscall_get_error(struct task_struct *task, struct pt_regs *regs)
35 unsigned long error = regs->a0;
37 return IS_ERR_VALUE(error) ? error : 0;
41 syscall_get_return_value(struct task_struct *task, struct pt_regs *regs)
47 syscall_set_return_value(struct task_struct *task, struct pt_regs *regs,
50 regs->a0 = (long) error ?: val;
54 syscall_get_arguments(struct task_struct *task, struct pt_regs *regs,
57 args[0] = regs->orig_a0;
59 memcpy(args, ®s->a1, 5 * sizeof(args[0]));
63 syscall_get_arch(struct task_struct *task)
65 return AUDIT_ARCH_CSKY;
68 #endif /* __ASM_SYSCALL_H */