1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ASM_MICROBLAZE_SYSCALL_H
3 #define __ASM_MICROBLAZE_SYSCALL_H
5 #include <uapi/linux/audit.h>
6 #include <linux/kernel.h>
7 #include <linux/sched.h>
8 #include <asm/ptrace.h>
10 /* The system call number is given by the user in R12 */
11 static inline long syscall_get_nr(struct task_struct *task,
17 static inline void syscall_rollback(struct task_struct *task,
23 static inline long syscall_get_error(struct task_struct *task,
26 return IS_ERR_VALUE(regs->r3) ? regs->r3 : 0;
29 static inline long syscall_get_return_value(struct task_struct *task,
35 static inline void syscall_set_return_value(struct task_struct *task,
45 static inline microblaze_reg_t microblaze_get_syscall_arg(struct pt_regs *regs,
49 case 5: return regs->r10;
50 case 4: return regs->r9;
51 case 3: return regs->r8;
52 case 2: return regs->r7;
53 case 1: return regs->r6;
54 case 0: return regs->r5;
61 static inline void microblaze_set_syscall_arg(struct pt_regs *regs,
83 static inline void syscall_get_arguments(struct task_struct *task,
91 *args++ = microblaze_get_syscall_arg(regs, i++);
94 static inline void syscall_set_arguments(struct task_struct *task,
96 const unsigned long *args)
102 microblaze_set_syscall_arg(regs, i++, *args++);
105 asmlinkage unsigned long do_syscall_trace_enter(struct pt_regs *regs);
106 asmlinkage void do_syscall_trace_leave(struct pt_regs *regs);
108 static inline int syscall_get_arch(struct task_struct *task)
110 return AUDIT_ARCH_MICROBLAZE;
112 #endif /* __ASM_MICROBLAZE_SYSCALL_H */