License cleanup: add SPDX GPL-2.0 license identifier to files with no license
[linux-block.git] / arch / sh / kernel / sys_sh32.c
1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/errno.h>
3 #include <linux/sched.h>
4 #include <linux/sched/task_stack.h>
5 #include <linux/mm.h>
6 #include <linux/smp.h>
7 #include <linux/sem.h>
8 #include <linux/msg.h>
9 #include <linux/shm.h>
10 #include <linux/stat.h>
11 #include <linux/syscalls.h>
12 #include <linux/mman.h>
13 #include <linux/file.h>
14 #include <linux/module.h>
15 #include <linux/fs.h>
16 #include <linux/ipc.h>
17 #include <asm/cacheflush.h>
18 #include <linux/uaccess.h>
19 #include <asm/unistd.h>
20 #include <asm/syscalls.h>
21
22 /*
23  * sys_pipe() is the normal C calling standard for creating
24  * a pipe. It's not the way Unix traditionally does this, though.
25  */
26 asmlinkage int sys_sh_pipe(void)
27 {
28         int fd[2];
29         int error;
30
31         error = do_pipe_flags(fd, 0);
32         if (!error) {
33                 current_pt_regs()->regs[1] = fd[1];
34                 return fd[0];
35         }
36         return error;
37 }
38
39 asmlinkage ssize_t sys_pread_wrapper(unsigned int fd, char __user *buf,
40                              size_t count, long dummy, loff_t pos)
41 {
42         return sys_pread64(fd, buf, count, pos);
43 }
44
45 asmlinkage ssize_t sys_pwrite_wrapper(unsigned int fd, const char __user *buf,
46                               size_t count, long dummy, loff_t pos)
47 {
48         return sys_pwrite64(fd, buf, count, pos);
49 }
50
51 asmlinkage int sys_fadvise64_64_wrapper(int fd, u32 offset0, u32 offset1,
52                                 u32 len0, u32 len1, int advice)
53 {
54 #ifdef  __LITTLE_ENDIAN__
55         return sys_fadvise64_64(fd, (u64)offset1 << 32 | offset0,
56                                 (u64)len1 << 32 | len0, advice);
57 #else
58         return sys_fadvise64_64(fd, (u64)offset0 << 32 | offset1,
59                                 (u64)len0 << 32 | len1, advice);
60 #endif
61 }