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-rw-r--r--arch/h8300/kernel/sys_h8300.c217
1 files changed, 0 insertions, 217 deletions
diff --git a/arch/h8300/kernel/sys_h8300.c b/arch/h8300/kernel/sys_h8300.c
index 8cb5d73a0e35..f9b3f44da69f 100644
--- a/arch/h8300/kernel/sys_h8300.c
+++ b/arch/h8300/kernel/sys_h8300.c
@@ -26,223 +26,6 @@
26#include <asm/traps.h> 26#include <asm/traps.h>
27#include <asm/unistd.h> 27#include <asm/unistd.h>
28 28
29/* common code for old and new mmaps */
30static inline long do_mmap2(
31 unsigned long addr, unsigned long len,
32 unsigned long prot, unsigned long flags,
33 unsigned long fd, unsigned long pgoff)
34{
35 int error = -EBADF;
36 struct file * file = NULL;
37
38 flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
39 if (!(flags & MAP_ANONYMOUS)) {
40 file = fget(fd);
41 if (!file)
42 goto out;
43 }
44
45 down_write(&current->mm->mmap_sem);
46 error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
47 up_write(&current->mm->mmap_sem);
48
49 if (file)
50 fput(file);
51out:
52 return error;
53}
54
55asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
56 unsigned long prot, unsigned long flags,
57 unsigned long fd, unsigned long pgoff)
58{
59 return do_mmap2(addr, len, prot, flags, fd, pgoff);
60}
61
62/*
63 * Perform the select(nd, in, out, ex, tv) and mmap() system
64 * calls. Linux/m68k cloned Linux/i386, which didn't use to be able to
65 * handle more than 4 system call parameters, so these system calls
66 * used a memory block for parameter passing..
67 */
68
69struct mmap_arg_struct {
70 unsigned long addr;
71 unsigned long len;
72 unsigned long prot;
73 unsigned long flags;
74 unsigned long fd;
75 unsigned long offset;
76};
77
78asmlinkage int old_mmap(struct mmap_arg_struct *arg)
79{
80 struct mmap_arg_struct a;
81 int error = -EFAULT;
82
83 if (copy_from_user(&a, arg, sizeof(a)))
84 goto out;
85
86 error = -EINVAL;
87 if (a.offset & ~PAGE_MASK)
88 goto out;
89
90 a.flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
91
92 error = do_mmap2(a.addr, a.len, a.prot, a.flags, a.fd, a.offset >> PAGE_SHIFT);
93out:
94 return error;
95}
96
97#if 0 /* DAVIDM - do we want this */
98struct mmap_arg_struct64 {
99 __u32 addr;
100 __u32 len;
101 __u32 prot;
102 __u32 flags;
103 __u64 offset; /* 64 bits */
104 __u32 fd;
105};
106
107asmlinkage long sys_mmap64(struct mmap_arg_struct64 *arg)
108{
109 int error = -EFAULT;
110 struct file * file = NULL;
111 struct mmap_arg_struct64 a;
112 unsigned long pgoff;
113
114 if (copy_from_user(&a, arg, sizeof(a)))
115 return -EFAULT;
116
117 if ((long)a.offset & ~PAGE_MASK)
118 return -EINVAL;
119
120 pgoff = a.offset >> PAGE_SHIFT;
121 if ((a.offset >> PAGE_SHIFT) != pgoff)
122 return -EINVAL;
123
124 if (!(a.flags & MAP_ANONYMOUS)) {
125 error = -EBADF;
126 file = fget(a.fd);
127 if (!file)
128 goto out;
129 }
130 a.flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
131
132 down_write(&current->mm->mmap_sem);
133 error = do_mmap_pgoff(file, a.addr, a.len, a.prot, a.flags, pgoff);
134 up_write(&current->mm->mmap_sem);
135 if (file)
136 fput(file);
137out:
138 return error;
139}
140#endif
141
142struct sel_arg_struct {
143 unsigned long n;
144 fd_set *inp, *outp, *exp;
145 struct timeval *tvp;
146};
147
148asmlinkage int old_select(struct sel_arg_struct *arg)
149{
150 struct sel_arg_struct a;
151
152 if (copy_from_user(&a, arg, sizeof(a)))
153 return -EFAULT;
154 /* sys_select() does the appropriate kernel locking */
155 return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
156}
157
158/*
159 * sys_ipc() is the de-multiplexer for the SysV IPC calls..
160 *
161 * This is really horribly ugly.
162 */
163asmlinkage int sys_ipc (uint call, int first, int second,
164 int third, void *ptr, long fifth)
165{
166 int version, ret;
167
168 version = call >> 16; /* hack for backward compatibility */
169 call &= 0xffff;
170
171 if (call <= SEMCTL)
172 switch (call) {
173 case SEMOP:
174 return sys_semop (first, (struct sembuf *)ptr, second);
175 case SEMGET:
176 return sys_semget (first, second, third);
177 case SEMCTL: {
178 union semun fourth;
179 if (!ptr)
180 return -EINVAL;
181 if (get_user(fourth.__pad, (void **) ptr))
182 return -EFAULT;
183 return sys_semctl (first, second, third, fourth);
184 }
185 default:
186 return -EINVAL;
187 }
188 if (call <= MSGCTL)
189 switch (call) {
190 case MSGSND:
191 return sys_msgsnd (first, (struct msgbuf *) ptr,
192 second, third);
193 case MSGRCV:
194 switch (version) {
195 case 0: {
196 struct ipc_kludge tmp;
197 if (!ptr)
198 return -EINVAL;
199 if (copy_from_user (&tmp,
200 (struct ipc_kludge *)ptr,
201 sizeof (tmp)))
202 return -EFAULT;
203 return sys_msgrcv (first, tmp.msgp, second,
204 tmp.msgtyp, third);
205 }
206 default:
207 return sys_msgrcv (first,
208 (struct msgbuf *) ptr,
209 second, fifth, third);
210 }
211 case MSGGET:
212 return sys_msgget ((key_t) first, second);
213 case MSGCTL:
214 return sys_msgctl (first, second,
215 (struct msqid_ds *) ptr);
216 default:
217 return -EINVAL;
218 }
219 if (call <= SHMCTL)
220 switch (call) {
221 case SHMAT:
222 switch (version) {
223 default: {
224 ulong raddr;
225 ret = do_shmat (first, (char *) ptr,
226 second, &raddr);
227 if (ret)
228 return ret;
229 return put_user (raddr, (ulong *) third);
230 }
231 }
232 case SHMDT:
233 return sys_shmdt ((char *)ptr);
234 case SHMGET:
235 return sys_shmget (first, second, third);
236 case SHMCTL:
237 return sys_shmctl (first, second,
238 (struct shmid_ds *) ptr);
239 default:
240 return -EINVAL;
241 }
242
243 return -EINVAL;
244}
245
246/* sys_cacheflush -- no support. */ 29/* sys_cacheflush -- no support. */
247asmlinkage int 30asmlinkage int
248sys_cacheflush (unsigned long addr, int scope, int cache, unsigned long len) 31sys_cacheflush (unsigned long addr, int scope, int cache, unsigned long len)
generated by cgit v1.2.2 (git 2.25.0) at 2025-09-11 19:20:30 -0400