1 /* $Id: sys_cris.c,v 1.6 2004/03/11 11:38:40 starvik Exp $
3 * linux/arch/cris/kernel/sys_cris.c
5 * This file contains various random system calls that
6 * have a non-standard calling sequence on some platforms.
7 * Since we don't have to do any backwards compatibility, our
8 * versions are done in the most "normal" way possible.
12 #include <linux/errno.h>
13 #include <linux/sched.h>
14 #include <linux/syscalls.h>
17 #include <linux/smp.h>
18 #include <linux/sem.h>
19 #include <linux/msg.h>
20 #include <linux/shm.h>
21 #include <linux/stat.h>
22 #include <linux/mman.h>
23 #include <linux/file.h>
24 #include <linux/ipc.h>
26 #include <asm/uaccess.h>
27 #include <asm/segment.h>
30 sys_mmap2(unsigned long addr
, unsigned long len
, unsigned long prot
,
31 unsigned long flags
, unsigned long fd
, unsigned long pgoff
)
33 /* bug(?): 8Kb pages here */
34 return sys_mmap_pgoff(addr
, len
, prot
, flags
, fd
, pgoff
);
38 * sys_ipc() is the de-multiplexer for the SysV IPC calls..
40 * This is really horribly ugly. (same as arch/i386)
43 asmlinkage
int sys_ipc (uint call
, int first
, int second
,
44 int third
, void __user
*ptr
, long fifth
)
48 version
= call
>> 16; /* hack for backward compatibility */
53 return sys_semtimedop (first
, (struct sembuf __user
*)ptr
, second
, NULL
);
55 return sys_semtimedop(first
, (struct sembuf __user
*)ptr
, second
,
56 (const struct timespec __user
*)fifth
);
59 return sys_semget (first
, second
, third
);
64 if (get_user(fourth
.__pad
, (void * __user
*) ptr
))
66 return sys_semctl (first
, second
, third
, fourth
);
70 return sys_msgsnd (first
, (struct msgbuf __user
*) ptr
,
75 struct ipc_kludge tmp
;
79 if (copy_from_user(&tmp
,
80 (struct ipc_kludge __user
*) ptr
,
83 return sys_msgrcv (first
, tmp
.msgp
, second
,
87 return sys_msgrcv (first
,
88 (struct msgbuf __user
*) ptr
,
89 second
, fifth
, third
);
92 return sys_msgget ((key_t
) first
, second
);
94 return sys_msgctl (first
, second
, (struct msqid_ds __user
*) ptr
);
98 ret
= do_shmat (first
, (char __user
*) ptr
, second
, &raddr
);
101 return put_user (raddr
, (ulong __user
*) third
);
104 return sys_shmdt ((char __user
*)ptr
);
106 return sys_shmget (first
, second
, third
);
108 return sys_shmctl (first
, second
,
109 (struct shmid_ds __user
*) ptr
);