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| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | #ifndef _ASM_M68K_SYSCALL_H |
| 3 | #define _ASM_M68K_SYSCALL_H |
| 4 | |
| 5 | #include <uapi/linux/audit.h> |
| 6 | |
| 7 | #include <asm/unistd.h> |
| 8 | |
| 9 | extern const unsigned long sys_call_table[]; |
| 10 | |
| 11 | static inline int syscall_get_nr(struct task_struct *task, |
| 12 | struct pt_regs *regs) |
| 13 | { |
| 14 | return regs->orig_d0; |
| 15 | } |
| 16 | |
| 17 | static inline void syscall_set_nr(struct task_struct *task, |
| 18 | struct pt_regs *regs, |
| 19 | int nr) |
| 20 | { |
| 21 | regs->orig_d0 = nr; |
| 22 | } |
| 23 | |
| 24 | static inline void syscall_rollback(struct task_struct *task, |
| 25 | struct pt_regs *regs) |
| 26 | { |
| 27 | regs->d0 = regs->orig_d0; |
| 28 | } |
| 29 | |
| 30 | static inline long syscall_get_error(struct task_struct *task, |
| 31 | struct pt_regs *regs) |
| 32 | { |
| 33 | unsigned long error = regs->d0; |
| 34 | |
| 35 | return IS_ERR_VALUE(error) ? error : 0; |
| 36 | } |
| 37 | |
| 38 | static inline long syscall_get_return_value(struct task_struct *task, |
| 39 | struct pt_regs *regs) |
| 40 | { |
| 41 | return regs->d0; |
| 42 | } |
| 43 | |
| 44 | static inline void syscall_set_return_value(struct task_struct *task, |
| 45 | struct pt_regs *regs, |
| 46 | int error, long val) |
| 47 | { |
| 48 | regs->d0 = (long)error ?: val; |
| 49 | } |
| 50 | |
| 51 | static inline void syscall_get_arguments(struct task_struct *task, |
| 52 | struct pt_regs *regs, |
| 53 | unsigned long *args) |
| 54 | { |
| 55 | args[0] = regs->orig_d0; |
| 56 | args++; |
| 57 | |
| 58 | memcpy(args, ®s->d1, 5 * sizeof(args[0])); |
| 59 | } |
| 60 | |
| 61 | static inline void syscall_set_arguments(struct task_struct *task, |
| 62 | struct pt_regs *regs, |
| 63 | unsigned long *args) |
| 64 | { |
| 65 | regs->orig_d0 = args[0]; |
| 66 | args++; |
| 67 | |
| 68 | memcpy(®s->d1, args, 5 * sizeof(args[0])); |
| 69 | } |
| 70 | |
| 71 | static inline int syscall_get_arch(struct task_struct *task) |
| 72 | { |
| 73 | return AUDIT_ARCH_M68K; |
| 74 | } |
| 75 | |
| 76 | #endif /* _ASM_M68K_SYSCALL_H */ |
| 77 |
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