projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 40e03b68 KM |
2 | /* syscall.h */ |
| 3 | ||
| 4 | #ifndef _ASM_PARISC_SYSCALL_H_ | |
| 5 | #define _ASM_PARISC_SYSCALL_H_ | |
| 6 | ||
| ce5d1128 EP |
7 | #include <uapi/linux/audit.h> |
| 8 | #include <linux/compat.h> | |
| 40e03b68 KM |
9 | #include <linux/err.h> |
| 10 | #include <asm/ptrace.h> | |
| 11 | ||
| fc79168a HD |
12 | #define NR_syscalls (__NR_Linux_syscalls) |
| 13 | ||
| 40e03b68 KM |
14 | static inline long syscall_get_nr(struct task_struct *tsk, |
| 15 | struct pt_regs *regs) | |
| 16 | { | |
| 17 | return regs->gr[20]; | |
| 18 | } | |
| 19 | ||
| 20 | static inline void syscall_get_arguments(struct task_struct *tsk, | |
| b35f549d SRRH |
21 | struct pt_regs *regs, |
| 22 | unsigned long *args) | |
| 40e03b68 | 23 | { |
| b35f549d SRRH |
24 | args[5] = regs->gr[21]; |
| 25 | args[4] = regs->gr[22]; | |
| 26 | args[3] = regs->gr[23]; | |
| 27 | args[2] = regs->gr[24]; | |
| 28 | args[1] = regs->gr[25]; | |
| 29 | args[0] = regs->gr[26]; | |
| 40e03b68 KM |
30 | } |
| 31 | ||
| fc79168a HD |
32 | static inline long syscall_get_return_value(struct task_struct *task, |
| 33 | struct pt_regs *regs) | |
| 34 | { | |
| 35 | return regs->gr[28]; | |
| 36 | } | |
| 37 | ||
| 910cd32e HD |
38 | static inline void syscall_set_return_value(struct task_struct *task, |
| 39 | struct pt_regs *regs, | |
| 40 | int error, long val) | |
| 41 | { | |
| 42 | regs->gr[28] = error ? error : val; | |
| 43 | } | |
| 44 | ||
| 45 | static inline void syscall_rollback(struct task_struct *task, | |
| 46 | struct pt_regs *regs) | |
| 47 | { | |
| 48 | /* do nothing */ | |
| 49 | } | |
| 50 | ||
| ce5d1128 EP |
51 | static inline int syscall_get_arch(void) |
| 52 | { | |
| 53 | int arch = AUDIT_ARCH_PARISC; | |
| 54 | #ifdef CONFIG_64BIT | |
| 55 | if (!is_compat_task()) | |
| 56 | arch = AUDIT_ARCH_PARISC64; | |
| 57 | #endif | |
| 58 | return arch; | |
| 59 | } | |
| 40e03b68 | 60 | #endif /*_ASM_PARISC_SYSCALL_H_*/ |