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9#ifndef __ASM_BLACKFIN_SYSCALL_H__
10#define __ASM_BLACKFIN_SYSCALL_H__
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21#include <linux/err.h>
22#include <linux/sched.h>
23#include <asm/ptrace.h>
24
25static inline long
26syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
27{
28 return regs->p0;
29}
30
31static inline void
32syscall_rollback(struct task_struct *task, struct pt_regs *regs)
33{
34 regs->p0 = regs->orig_p0;
35}
36
37static inline long
38syscall_get_error(struct task_struct *task, struct pt_regs *regs)
39{
40 return IS_ERR_VALUE(regs->r0) ? regs->r0 : 0;
41}
42
43static inline long
44syscall_get_return_value(struct task_struct *task, struct pt_regs *regs)
45{
46 return regs->r0;
47}
48
49static inline void
50syscall_set_return_value(struct task_struct *task, struct pt_regs *regs,
51 int error, long val)
52{
53 regs->r0 = error ? -error : val;
54}
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66static inline void
67syscall_get_arguments(struct task_struct *task, struct pt_regs *regs,
68 unsigned int i, unsigned int n, unsigned long *args)
69{
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75 long *aregs = ®s->r0 - i;
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77 BUG_ON(i > 5 || i + n > 6);
78
79 while (n--)
80 *args++ = *aregs--;
81}
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83
84static inline void
85syscall_set_arguments(struct task_struct *task, struct pt_regs *regs,
86 unsigned int i, unsigned int n, const unsigned long *args)
87{
88 long *aregs = ®s->r0 - i;
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90 BUG_ON(i > 5 || i + n > 6);
91
92 while (n--)
93 *aregs-- = *args++;
94}
95
96#endif
97