diff options
Diffstat (limited to 'arch/m68knommu/kernel/sys_m68k.c')
-rw-r--r-- | arch/m68knommu/kernel/sys_m68k.c | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/arch/m68knommu/kernel/sys_m68k.c b/arch/m68knommu/kernel/sys_m68k.c deleted file mode 100644 index 68488ae47f0a..000000000000 --- a/arch/m68knommu/kernel/sys_m68k.c +++ /dev/null | |||
@@ -1,94 +0,0 @@ | |||
1 | /* | ||
2 | * linux/arch/m68knommu/kernel/sys_m68k.c | ||
3 | * | ||
4 | * This file contains various random system calls that | ||
5 | * have a non-standard calling sequence on the Linux/m68k | ||
6 | * platform. | ||
7 | */ | ||
8 | |||
9 | #include <linux/errno.h> | ||
10 | #include <linux/sched.h> | ||
11 | #include <linux/mm.h> | ||
12 | #include <linux/smp.h> | ||
13 | #include <linux/sem.h> | ||
14 | #include <linux/msg.h> | ||
15 | #include <linux/shm.h> | ||
16 | #include <linux/stat.h> | ||
17 | #include <linux/syscalls.h> | ||
18 | #include <linux/mman.h> | ||
19 | #include <linux/file.h> | ||
20 | #include <linux/ipc.h> | ||
21 | #include <linux/fs.h> | ||
22 | |||
23 | #include <asm/setup.h> | ||
24 | #include <asm/uaccess.h> | ||
25 | #include <asm/cachectl.h> | ||
26 | #include <asm/traps.h> | ||
27 | #include <asm/cacheflush.h> | ||
28 | #include <asm/unistd.h> | ||
29 | |||
30 | /* sys_cacheflush -- flush (part of) the processor cache. */ | ||
31 | asmlinkage int | ||
32 | sys_cacheflush (unsigned long addr, int scope, int cache, unsigned long len) | ||
33 | { | ||
34 | flush_cache_all(); | ||
35 | return(0); | ||
36 | } | ||
37 | |||
38 | asmlinkage int sys_getpagesize(void) | ||
39 | { | ||
40 | return PAGE_SIZE; | ||
41 | } | ||
42 | |||
43 | /* | ||
44 | * Do a system call from kernel instead of calling sys_execve so we | ||
45 | * end up with proper pt_regs. | ||
46 | */ | ||
47 | int kernel_execve(const char *filename, | ||
48 | const char *const argv[], | ||
49 | const char *const envp[]) | ||
50 | { | ||
51 | register long __res asm ("%d0") = __NR_execve; | ||
52 | register long __a asm ("%d1") = (long)(filename); | ||
53 | register long __b asm ("%d2") = (long)(argv); | ||
54 | register long __c asm ("%d3") = (long)(envp); | ||
55 | asm volatile ("trap #0" : "+d" (__res) | ||
56 | : "d" (__a), "d" (__b), "d" (__c)); | ||
57 | return __res; | ||
58 | } | ||
59 | |||
60 | asmlinkage unsigned long sys_get_thread_area(void) | ||
61 | { | ||
62 | return current_thread_info()->tp_value; | ||
63 | } | ||
64 | |||
65 | asmlinkage int sys_set_thread_area(unsigned long tp) | ||
66 | { | ||
67 | current_thread_info()->tp_value = tp; | ||
68 | return 0; | ||
69 | } | ||
70 | |||
71 | /* This syscall gets its arguments in A0 (mem), D2 (oldval) and | ||
72 | D1 (newval). */ | ||
73 | asmlinkage int | ||
74 | sys_atomic_cmpxchg_32(unsigned long newval, int oldval, int d3, int d4, int d5, | ||
75 | unsigned long __user * mem) | ||
76 | { | ||
77 | struct mm_struct *mm = current->mm; | ||
78 | unsigned long mem_value; | ||
79 | |||
80 | down_read(&mm->mmap_sem); | ||
81 | |||
82 | mem_value = *mem; | ||
83 | if (mem_value == oldval) | ||
84 | *mem = newval; | ||
85 | |||
86 | up_read(&mm->mmap_sem); | ||
87 | return mem_value; | ||
88 | } | ||
89 | |||
90 | asmlinkage int sys_atomic_barrier(void) | ||
91 | { | ||
92 | /* no code needed for uniprocs */ | ||
93 | return 0; | ||
94 | } | ||