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-rw-r--r--arch/sparc64/kernel/sys32.S327
1 files changed, 327 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/sys32.S b/arch/sparc64/kernel/sys32.S
new file mode 100644
index 000000000000..5a95e98c5317
--- /dev/null
+++ b/arch/sparc64/kernel/sys32.S
@@ -0,0 +1,327 @@
1/* $Id: sys32.S,v 1.12 2000/03/24 04:17:37 davem Exp $
2 * sys32.S: I-cache tricks for 32-bit compatibility layer simple
3 * conversions.
4 *
5 * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
6 * Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
7 */
8
9#include <linux/config.h>
10#include <asm/errno.h>
11
12/* NOTE: call as jump breaks return stack, we have to avoid that */
13
14 .text
15
16#define SIGN1(STUB,SYSCALL,REG1) \
17 .align 32; \
18 .globl STUB; \
19STUB: sethi %hi(SYSCALL), %g1; \
20 jmpl %g1 + %lo(SYSCALL), %g0; \
21 sra REG1, 0, REG1
22
23#define SIGN2(STUB,SYSCALL,REG1,REG2) \
24 .align 32; \
25 .globl STUB; \
26STUB: sethi %hi(SYSCALL), %g1; \
27 sra REG1, 0, REG1; \
28 jmpl %g1 + %lo(SYSCALL), %g0; \
29 sra REG2, 0, REG2
30
31#define SIGN3(STUB,SYSCALL,REG1,REG2,REG3) \
32 .align 32; \
33 .globl STUB; \
34STUB: sra REG1, 0, REG1; \
35 sethi %hi(SYSCALL), %g1; \
36 sra REG2, 0, REG2; \
37 jmpl %g1 + %lo(SYSCALL), %g0; \
38 sra REG3, 0, REG3
39
40#define SIGN4(STUB,SYSCALL,REG1,REG2,REG3,REG4) \
41 .align 32; \
42 .globl STUB; \
43STUB: sra REG1, 0, REG1; \
44 sethi %hi(SYSCALL), %g1; \
45 sra REG2, 0, REG2; \
46 sra REG3, 0, REG3; \
47 jmpl %g1 + %lo(SYSCALL), %g0; \
48 sra REG4, 0, REG4
49
50SIGN1(sys32_exit, sparc_exit, %o0)
51SIGN1(sys32_exit_group, sys_exit_group, %o0)
52SIGN1(sys32_wait4, compat_sys_wait4, %o2)
53SIGN1(sys32_creat, sys_creat, %o1)
54SIGN1(sys32_mknod, sys_mknod, %o1)
55SIGN1(sys32_perfctr, sys_perfctr, %o0)
56SIGN1(sys32_umount, sys_umount, %o1)
57SIGN1(sys32_signal, sys_signal, %o0)
58SIGN1(sys32_access, sys_access, %o1)
59SIGN1(sys32_msync, sys_msync, %o2)
60SIGN2(sys32_reboot, sys_reboot, %o0, %o1)
61SIGN1(sys32_setitimer, compat_sys_setitimer, %o0)
62SIGN1(sys32_getitimer, compat_sys_getitimer, %o0)
63SIGN1(sys32_sethostname, sys_sethostname, %o1)
64SIGN1(sys32_swapon, sys_swapon, %o1)
65SIGN1(sys32_sigaction, compat_sys_sigaction, %o0)
66SIGN1(sys32_rt_sigaction, compat_sys_rt_sigaction, %o0)
67SIGN1(sys32_sigprocmask, compat_sys_sigprocmask, %o0)
68SIGN1(sys32_rt_sigprocmask, compat_sys_rt_sigprocmask, %o0)
69SIGN2(sys32_rt_sigqueueinfo, compat_sys_rt_sigqueueinfo, %o0, %o1)
70SIGN1(sys32_getrusage, compat_sys_getrusage, %o0)
71SIGN1(sys32_setxattr, sys_setxattr, %o4)
72SIGN1(sys32_lsetxattr, sys_lsetxattr, %o4)
73SIGN1(sys32_fsetxattr, sys_fsetxattr, %o4)
74SIGN1(sys32_fgetxattr, sys_fgetxattr, %o0)
75SIGN1(sys32_flistxattr, sys_flistxattr, %o0)
76SIGN1(sys32_fremovexattr, sys_fremovexattr, %o0)
77SIGN2(sys32_tkill, sys_tkill, %o0, %o1)
78SIGN1(sys32_epoll_create, sys_epoll_create, %o0)
79SIGN3(sys32_epoll_ctl, sys_epoll_ctl, %o0, %o1, %o2)
80SIGN3(sys32_epoll_wait, sys_epoll_wait, %o0, %o2, %o3)
81SIGN1(sys32_readahead, compat_sys_readahead, %o0)
82SIGN2(sys32_fadvise64, compat_sys_fadvise64, %o0, %o4)
83SIGN2(sys32_fadvise64_64, compat_sys_fadvise64_64, %o0, %o5)
84SIGN2(sys32_bdflush, sys_bdflush, %o0, %o1)
85SIGN1(sys32_mlockall, sys_mlockall, %o0)
86SIGN1(sys32_nfsservctl, compat_sys_nfsservctl, %o0)
87SIGN1(sys32_clock_settime, compat_sys_clock_settime, %o1)
88SIGN1(sys32_clock_nanosleep, compat_sys_clock_nanosleep, %o1)
89SIGN1(sys32_timer_settime, compat_sys_timer_settime, %o1)
90SIGN1(sys32_io_submit, compat_sys_io_submit, %o1)
91SIGN1(sys32_mq_open, compat_sys_mq_open, %o1)
92SIGN1(sys32_select, compat_sys_select, %o0)
93SIGN1(sys32_mkdir, sys_mkdir, %o1)
94SIGN3(sys32_futex, compat_sys_futex, %o1, %o2, %o5)
95SIGN1(sys32_sysfs, compat_sys_sysfs, %o0)
96SIGN3(sys32_ipc, compat_sys_ipc, %o1, %o2, %o3)
97SIGN2(sys32_sendfile, compat_sys_sendfile, %o0, %o1)
98SIGN2(sys32_sendfile64, compat_sys_sendfile64, %o0, %o1)
99SIGN1(sys32_prctl, sys_prctl, %o0)
100SIGN1(sys32_sched_rr_get_interval, compat_sys_sched_rr_get_interval, %o0)
101SIGN2(sys32_waitpid, sys_waitpid, %o0, %o2)
102SIGN1(sys32_getgroups, sys_getgroups, %o0)
103SIGN1(sys32_getpgid, sys_getpgid, %o0)
104SIGN2(sys32_getpriority, sys_getpriority, %o0, %o1)
105SIGN1(sys32_getsid, sys_getsid, %o0)
106SIGN2(sys32_kill, sys_kill, %o0, %o1)
107SIGN1(sys32_nice, sys_nice, %o0)
108SIGN1(sys32_lseek, sys_lseek, %o1)
109SIGN2(sys32_open, sparc32_open, %o1, %o2)
110SIGN1(sys32_readlink, sys_readlink, %o2)
111SIGN1(sys32_sched_get_priority_max, sys_sched_get_priority_max, %o0)
112SIGN1(sys32_sched_get_priority_min, sys_sched_get_priority_min, %o0)
113SIGN1(sys32_sched_getparam, sys_sched_getparam, %o0)
114SIGN1(sys32_sched_getscheduler, sys_sched_getscheduler, %o0)
115SIGN1(sys32_sched_setparam, sys_sched_setparam, %o0)
116SIGN2(sys32_sched_setscheduler, sys_sched_setscheduler, %o0, %o1)
117SIGN1(sys32_getdomainname, sys_getdomainname, %o1)
118SIGN1(sys32_setdomainname, sys_setdomainname, %o1)
119SIGN1(sys32_setgroups, sys_setgroups, %o0)
120SIGN2(sys32_setpgid, sys_setpgid, %o0, %o1)
121SIGN3(sys32_setpriority, sys_setpriority, %o0, %o1, %o2)
122SIGN1(sys32_ssetmask, sys_ssetmask, %o0)
123SIGN2(sys32_syslog, sys_syslog, %o0, %o2)
124SIGN1(sys32_umask, sys_umask, %o0)
125SIGN3(sys32_tgkill, sys_tgkill, %o0, %o1, %o2)
126SIGN1(sys32_sendto, sys_sendto, %o0)
127SIGN1(sys32_recvfrom, sys_recvfrom, %o0)
128SIGN3(sys32_socket, sys_socket, %o0, %o1, %o2)
129SIGN2(sys32_connect, sys_connect, %o0, %o2)
130SIGN2(sys32_bind, sys_bind, %o0, %o2)
131SIGN2(sys32_listen, sys_listen, %o0, %o1)
132SIGN1(sys32_recvmsg, compat_sys_recvmsg, %o0)
133SIGN1(sys32_sendmsg, compat_sys_sendmsg, %o0)
134SIGN2(sys32_shutdown, sys_shutdown, %o0, %o1)
135SIGN3(sys32_socketpair, sys_socketpair, %o0, %o1, %o2)
136SIGN1(sys32_getpeername, sys_getpeername, %o0)
137SIGN1(sys32_getsockname, sys_getsockname, %o0)
138
139 .globl sys32_mmap2
140sys32_mmap2:
141 sethi %hi(sys_mmap), %g1
142 jmpl %g1 + %lo(sys_mmap), %g0
143 sllx %o5, 12, %o5
144
145 .align 32
146 .globl sys32_socketcall
147sys32_socketcall: /* %o0=call, %o1=args */
148 cmp %o0, 1
149 bl,pn %xcc, do_einval
150 cmp %o0, 17
151 bg,pn %xcc, do_einval
152 sub %o0, 1, %o0
153 sllx %o0, 5, %o0
154 sethi %hi(__socketcall_table_begin), %g2
155 or %g2, %lo(__socketcall_table_begin), %g2
156 jmpl %g2 + %o0, %g0
157 nop
158
159 /* Each entry is exactly 32 bytes. */
160 .align 32
161__socketcall_table_begin:
162do_sys_socket: /* sys_socket(int, int, int) */
163 ldswa [%o1 + 0x0] %asi, %o0
164 sethi %hi(sys_socket), %g1
165 ldswa [%o1 + 0x8] %asi, %o2
166 jmpl %g1 + %lo(sys_socket), %g0
167 ldswa [%o1 + 0x4] %asi, %o1
168 nop
169 nop
170 nop
171do_sys_bind: /* sys_bind(int fd, struct sockaddr *, int) */
172 ldswa [%o1 + 0x0] %asi, %o0
173 sethi %hi(sys_bind), %g1
174 ldswa [%o1 + 0x8] %asi, %o2
175 jmpl %g1 + %lo(sys_bind), %g0
176 lduwa [%o1 + 0x4] %asi, %o1
177 nop
178 nop
179 nop
180do_sys_connect: /* sys_connect(int, struct sockaddr *, int) */
181 ldswa [%o1 + 0x0] %asi, %o0
182 sethi %hi(sys_connect), %g1
183 ldswa [%o1 + 0x8] %asi, %o2
184 jmpl %g1 + %lo(sys_connect), %g0
185 lduwa [%o1 + 0x4] %asi, %o1
186 nop
187 nop
188 nop
189do_sys_listen: /* sys_listen(int, int) */
190 ldswa [%o1 + 0x0] %asi, %o0
191 sethi %hi(sys_listen), %g1
192 jmpl %g1 + %lo(sys_listen), %g0
193 ldswa [%o1 + 0x4] %asi, %o1
194 nop
195 nop
196 nop
197 nop
198do_sys_accept: /* sys_accept(int, struct sockaddr *, int *) */
199 ldswa [%o1 + 0x0] %asi, %o0
200 sethi %hi(sys_accept), %g1
201 lduwa [%o1 + 0x8] %asi, %o2
202 jmpl %g1 + %lo(sys_accept), %g0
203 lduwa [%o1 + 0x4] %asi, %o1
204 nop
205 nop
206 nop
207do_sys_getsockname: /* sys_getsockname(int, struct sockaddr *, int *) */
208 ldswa [%o1 + 0x0] %asi, %o0
209 sethi %hi(sys_getsockname), %g1
210 lduwa [%o1 + 0x8] %asi, %o2
211 jmpl %g1 + %lo(sys_getsockname), %g0
212 lduwa [%o1 + 0x4] %asi, %o1
213 nop
214 nop
215 nop
216do_sys_getpeername: /* sys_getpeername(int, struct sockaddr *, int *) */
217 ldswa [%o1 + 0x0] %asi, %o0
218 sethi %hi(sys_getpeername), %g1
219 lduwa [%o1 + 0x8] %asi, %o2
220 jmpl %g1 + %lo(sys_getpeername), %g0
221 lduwa [%o1 + 0x4] %asi, %o1
222 nop
223 nop
224 nop
225do_sys_socketpair: /* sys_socketpair(int, int, int, int *) */
226 ldswa [%o1 + 0x0] %asi, %o0
227 sethi %hi(sys_socketpair), %g1
228 ldswa [%o1 + 0x8] %asi, %o2
229 lduwa [%o1 + 0xc] %asi, %o3
230 jmpl %g1 + %lo(sys_socketpair), %g0
231 ldswa [%o1 + 0x4] %asi, %o1
232 nop
233 nop
234do_sys_send: /* sys_send(int, void *, size_t, unsigned int) */
235 ldswa [%o1 + 0x0] %asi, %o0
236 sethi %hi(sys_send), %g1
237 lduwa [%o1 + 0x8] %asi, %o2
238 lduwa [%o1 + 0xc] %asi, %o3
239 jmpl %g1 + %lo(sys_send), %g0
240 lduwa [%o1 + 0x4] %asi, %o1
241 nop
242 nop
243do_sys_recv: /* sys_recv(int, void *, size_t, unsigned int) */
244 ldswa [%o1 + 0x0] %asi, %o0
245 sethi %hi(sys_recv), %g1
246 lduwa [%o1 + 0x8] %asi, %o2
247 lduwa [%o1 + 0xc] %asi, %o3
248 jmpl %g1 + %lo(sys_recv), %g0
249 lduwa [%o1 + 0x4] %asi, %o1
250 nop
251 nop
252do_sys_sendto: /* sys_sendto(int, u32, compat_size_t, unsigned int, u32, int) */
253 ldswa [%o1 + 0x0] %asi, %o0
254 sethi %hi(sys_sendto), %g1
255 lduwa [%o1 + 0x8] %asi, %o2
256 lduwa [%o1 + 0xc] %asi, %o3
257 lduwa [%o1 + 0x10] %asi, %o4
258 ldswa [%o1 + 0x14] %asi, %o5
259 jmpl %g1 + %lo(sys_sendto), %g0
260 lduwa [%o1 + 0x4] %asi, %o1
261do_sys_recvfrom: /* sys_recvfrom(int, u32, compat_size_t, unsigned int, u32, u32) */
262 ldswa [%o1 + 0x0] %asi, %o0
263 sethi %hi(sys_recvfrom), %g1
264 lduwa [%o1 + 0x8] %asi, %o2
265 lduwa [%o1 + 0xc] %asi, %o3
266 lduwa [%o1 + 0x10] %asi, %o4
267 lduwa [%o1 + 0x14] %asi, %o5
268 jmpl %g1 + %lo(sys_recvfrom), %g0
269 lduwa [%o1 + 0x4] %asi, %o1
270do_sys_shutdown: /* sys_shutdown(int, int) */
271 ldswa [%o1 + 0x0] %asi, %o0
272 sethi %hi(sys_shutdown), %g1
273 jmpl %g1 + %lo(sys_shutdown), %g0
274 ldswa [%o1 + 0x4] %asi, %o1
275 nop
276 nop
277 nop
278 nop
279do_sys_setsockopt: /* compat_sys_setsockopt(int, int, int, char *, int) */
280 ldswa [%o1 + 0x0] %asi, %o0
281 sethi %hi(compat_sys_setsockopt), %g1
282 ldswa [%o1 + 0x8] %asi, %o2
283 lduwa [%o1 + 0xc] %asi, %o3
284 ldswa [%o1 + 0x10] %asi, %o4
285 jmpl %g1 + %lo(compat_sys_setsockopt), %g0
286 ldswa [%o1 + 0x4] %asi, %o1
287 nop
288do_sys_getsockopt: /* compat_sys_getsockopt(int, int, int, u32, u32) */
289 ldswa [%o1 + 0x0] %asi, %o0
290 sethi %hi(compat_sys_getsockopt), %g1
291 ldswa [%o1 + 0x8] %asi, %o2
292 lduwa [%o1 + 0xc] %asi, %o3
293 lduwa [%o1 + 0x10] %asi, %o4
294 jmpl %g1 + %lo(compat_sys_getsockopt), %g0
295 ldswa [%o1 + 0x4] %asi, %o1
296 nop
297do_sys_sendmsg: /* compat_sys_sendmsg(int, struct compat_msghdr *, unsigned int) */
298 ldswa [%o1 + 0x0] %asi, %o0
299 sethi %hi(compat_sys_sendmsg), %g1
300 lduwa [%o1 + 0x8] %asi, %o2
301 jmpl %g1 + %lo(compat_sys_sendmsg), %g0
302 lduwa [%o1 + 0x4] %asi, %o1
303 nop
304 nop
305 nop
306do_sys_recvmsg: /* compat_sys_recvmsg(int, struct compat_msghdr *, unsigned int) */
307 ldswa [%o1 + 0x0] %asi, %o0
308 sethi %hi(compat_sys_recvmsg), %g1
309 lduwa [%o1 + 0x8] %asi, %o2
310 jmpl %g1 + %lo(compat_sys_recvmsg), %g0
311 lduwa [%o1 + 0x4] %asi, %o1
312 nop
313 nop
314 nop
315__socketcall_table_end:
316
317do_einval:
318 retl
319 mov -EINVAL, %o0
320do_efault:
321 retl
322 mov -EFAULT, %o0
323
324 .section __ex_table
325 .align 4
326 .word __socketcall_table_begin, 0, __socketcall_table_end, do_efault
327 .previous
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-28 08:40:30 -0500