1 // SPDX-License-Identifier: GPL-2.0 1
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
24 * a pipe. It's not the way Unix traditionally
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] = f
34 return fd[0];
35 }
36 return error;
37 }
38
39 asmlinkage ssize_t sys_pread_wrapper(unsigned
40 size_t count, lon
41 {
42 return ksys_pread64(fd, buf, count, po
43 }
44
45 asmlinkage ssize_t sys_pwrite_wrapper(unsigned
46 size_t count, lo
47 {
48 return ksys_pwrite64(fd, buf, count, p
49 }
50
51 asmlinkage int sys_fadvise64_64_wrapper(int fd
52 u32 len0, u32
53 {
54 #ifdef __LITTLE_ENDIAN__
55 return ksys_fadvise64_64(fd, (u64)offs
56 (u64)len1 <<
57 #else
58 return ksys_fadvise64_64(fd, (u64)offs
59 (u64)len0 <<
60 #endif
61 }
62
63 /*
64 * swap the arguments the way that libc wants
65 * moving flags ahead of the 64-bit nbytes arg
66 */
67 SYSCALL_DEFINE6(sh_sync_file_range6, int, fd,
68 SC_ARG64(nbytes), unsigned int
69 {
70 return ksys_sync_file_range(fd, SC_VAL
71 SC_VAL64(l
72 }
73
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