Merge tag 'xtensa-next-20140721' of git://github.com/czankel/xtensa-linux
[deliverable/linux.git] / arch / sparc / kernel / sys32.S
CommitLineData
b00dc837 1/*
1da177e4
LT
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
1da177e4
LT
9#include <asm/errno.h>
10
11/* NOTE: call as jump breaks return stack, we have to avoid that */
12
13 .text
14
15#define SIGN1(STUB,SYSCALL,REG1) \
16 .align 32; \
17 .globl STUB; \
18STUB: sethi %hi(SYSCALL), %g1; \
19 jmpl %g1 + %lo(SYSCALL), %g0; \
20 sra REG1, 0, REG1
21
22#define SIGN2(STUB,SYSCALL,REG1,REG2) \
23 .align 32; \
24 .globl STUB; \
25STUB: sethi %hi(SYSCALL), %g1; \
26 sra REG1, 0, REG1; \
27 jmpl %g1 + %lo(SYSCALL), %g0; \
28 sra REG2, 0, REG2
29
30#define SIGN3(STUB,SYSCALL,REG1,REG2,REG3) \
31 .align 32; \
32 .globl STUB; \
33STUB: sra REG1, 0, REG1; \
34 sethi %hi(SYSCALL), %g1; \
35 sra REG2, 0, REG2; \
36 jmpl %g1 + %lo(SYSCALL), %g0; \
37 sra REG3, 0, REG3
38
1da177e4
LT
39SIGN1(sys32_readahead, compat_sys_readahead, %o0)
40SIGN2(sys32_fadvise64, compat_sys_fadvise64, %o0, %o4)
41SIGN2(sys32_fadvise64_64, compat_sys_fadvise64_64, %o0, %o5)
1da177e4
LT
42SIGN1(sys32_clock_nanosleep, compat_sys_clock_nanosleep, %o1)
43SIGN1(sys32_timer_settime, compat_sys_timer_settime, %o1)
44SIGN1(sys32_io_submit, compat_sys_io_submit, %o1)
45SIGN1(sys32_mq_open, compat_sys_mq_open, %o1)
46SIGN1(sys32_select, compat_sys_select, %o0)
aa3449ee 47SIGN1(sys32_futex, compat_sys_futex, %o1)
1dacc76d 48SIGN1(sys32_recvfrom, compat_sys_recvfrom, %o0)
1da177e4
LT
49SIGN1(sys32_recvmsg, compat_sys_recvmsg, %o0)
50SIGN1(sys32_sendmsg, compat_sys_sendmsg, %o0)
26053926 51SIGN2(sys32_renameat2, sys_renameat2, %o0, %o2)
1da177e4
LT
52
53 .globl sys32_mmap2
54sys32_mmap2:
55 sethi %hi(sys_mmap), %g1
56 jmpl %g1 + %lo(sys_mmap), %g0
57 sllx %o5, 12, %o5
58
59 .align 32
60 .globl sys32_socketcall
61sys32_socketcall: /* %o0=call, %o1=args */
62 cmp %o0, 1
63 bl,pn %xcc, do_einval
f8b2256e 64 cmp %o0, 18
1da177e4
LT
65 bg,pn %xcc, do_einval
66 sub %o0, 1, %o0
67 sllx %o0, 5, %o0
68 sethi %hi(__socketcall_table_begin), %g2
69 or %g2, %lo(__socketcall_table_begin), %g2
70 jmpl %g2 + %o0, %g0
71 nop
5fd29752
DM
72do_einval:
73 retl
74 mov -EINVAL, %o0
1da177e4 75
1da177e4
LT
76 .align 32
77__socketcall_table_begin:
8cf14af0
DM
78
79 /* Each entry is exactly 32 bytes. */
1da177e4 80do_sys_socket: /* sys_socket(int, int, int) */
8cf14af0 811: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 82 sethi %hi(sys_socket), %g1
8cf14af0 832: ldswa [%o1 + 0x8] %asi, %o2
1da177e4 84 jmpl %g1 + %lo(sys_socket), %g0
8cf14af0 853: ldswa [%o1 + 0x4] %asi, %o1
1da177e4
LT
86 nop
87 nop
88 nop
89do_sys_bind: /* sys_bind(int fd, struct sockaddr *, int) */
8cf14af0 904: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 91 sethi %hi(sys_bind), %g1
8cf14af0 925: ldswa [%o1 + 0x8] %asi, %o2
1da177e4 93 jmpl %g1 + %lo(sys_bind), %g0
8cf14af0 946: lduwa [%o1 + 0x4] %asi, %o1
1da177e4
LT
95 nop
96 nop
97 nop
98do_sys_connect: /* sys_connect(int, struct sockaddr *, int) */
8cf14af0 997: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 100 sethi %hi(sys_connect), %g1
8cf14af0 1018: ldswa [%o1 + 0x8] %asi, %o2
1da177e4 102 jmpl %g1 + %lo(sys_connect), %g0
8cf14af0 1039: lduwa [%o1 + 0x4] %asi, %o1
1da177e4
LT
104 nop
105 nop
106 nop
107do_sys_listen: /* sys_listen(int, int) */
8cf14af0 10810: ldswa [%o1 + 0x0] %asi, %o0
1da177e4
LT
109 sethi %hi(sys_listen), %g1
110 jmpl %g1 + %lo(sys_listen), %g0
8cf14af0 11111: ldswa [%o1 + 0x4] %asi, %o1
1da177e4
LT
112 nop
113 nop
114 nop
115 nop
116do_sys_accept: /* sys_accept(int, struct sockaddr *, int *) */
8cf14af0 11712: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 118 sethi %hi(sys_accept), %g1
8cf14af0 11913: lduwa [%o1 + 0x8] %asi, %o2
1da177e4 120 jmpl %g1 + %lo(sys_accept), %g0
8cf14af0 12114: lduwa [%o1 + 0x4] %asi, %o1
1da177e4
LT
122 nop
123 nop
124 nop
125do_sys_getsockname: /* sys_getsockname(int, struct sockaddr *, int *) */
8cf14af0 12615: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 127 sethi %hi(sys_getsockname), %g1
8cf14af0 12816: lduwa [%o1 + 0x8] %asi, %o2
1da177e4 129 jmpl %g1 + %lo(sys_getsockname), %g0
8cf14af0 13017: lduwa [%o1 + 0x4] %asi, %o1
1da177e4
LT
131 nop
132 nop
133 nop
134do_sys_getpeername: /* sys_getpeername(int, struct sockaddr *, int *) */
8cf14af0 13518: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 136 sethi %hi(sys_getpeername), %g1
8cf14af0 13719: lduwa [%o1 + 0x8] %asi, %o2
1da177e4 138 jmpl %g1 + %lo(sys_getpeername), %g0
8cf14af0 13920: lduwa [%o1 + 0x4] %asi, %o1
1da177e4
LT
140 nop
141 nop
142 nop
143do_sys_socketpair: /* sys_socketpair(int, int, int, int *) */
8cf14af0 14421: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 145 sethi %hi(sys_socketpair), %g1
8cf14af0
DM
14622: ldswa [%o1 + 0x8] %asi, %o2
14723: lduwa [%o1 + 0xc] %asi, %o3
1da177e4 148 jmpl %g1 + %lo(sys_socketpair), %g0
8cf14af0 14924: ldswa [%o1 + 0x4] %asi, %o1
1da177e4
LT
150 nop
151 nop
152do_sys_send: /* sys_send(int, void *, size_t, unsigned int) */
8cf14af0 15325: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 154 sethi %hi(sys_send), %g1
8cf14af0
DM
15526: lduwa [%o1 + 0x8] %asi, %o2
15627: lduwa [%o1 + 0xc] %asi, %o3
1da177e4 157 jmpl %g1 + %lo(sys_send), %g0
8cf14af0 15828: lduwa [%o1 + 0x4] %asi, %o1
1da177e4
LT
159 nop
160 nop
161do_sys_recv: /* sys_recv(int, void *, size_t, unsigned int) */
8cf14af0 16229: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 163 sethi %hi(sys_recv), %g1
8cf14af0
DM
16430: lduwa [%o1 + 0x8] %asi, %o2
16531: lduwa [%o1 + 0xc] %asi, %o3
1da177e4 166 jmpl %g1 + %lo(sys_recv), %g0
8cf14af0 16732: lduwa [%o1 + 0x4] %asi, %o1
1da177e4
LT
168 nop
169 nop
170do_sys_sendto: /* sys_sendto(int, u32, compat_size_t, unsigned int, u32, int) */
8cf14af0 17133: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 172 sethi %hi(sys_sendto), %g1
8cf14af0
DM
17334: lduwa [%o1 + 0x8] %asi, %o2
17435: lduwa [%o1 + 0xc] %asi, %o3
17536: lduwa [%o1 + 0x10] %asi, %o4
17637: ldswa [%o1 + 0x14] %asi, %o5
1da177e4 177 jmpl %g1 + %lo(sys_sendto), %g0
8cf14af0 17838: lduwa [%o1 + 0x4] %asi, %o1
1da177e4 179do_sys_recvfrom: /* sys_recvfrom(int, u32, compat_size_t, unsigned int, u32, u32) */
8cf14af0 18039: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 181 sethi %hi(sys_recvfrom), %g1
8cf14af0
DM
18240: lduwa [%o1 + 0x8] %asi, %o2
18341: lduwa [%o1 + 0xc] %asi, %o3
18442: lduwa [%o1 + 0x10] %asi, %o4
18543: lduwa [%o1 + 0x14] %asi, %o5
1da177e4 186 jmpl %g1 + %lo(sys_recvfrom), %g0
8cf14af0 18744: lduwa [%o1 + 0x4] %asi, %o1
1da177e4 188do_sys_shutdown: /* sys_shutdown(int, int) */
8cf14af0 18945: ldswa [%o1 + 0x0] %asi, %o0
1da177e4
LT
190 sethi %hi(sys_shutdown), %g1
191 jmpl %g1 + %lo(sys_shutdown), %g0
8cf14af0 19246: ldswa [%o1 + 0x4] %asi, %o1
1da177e4
LT
193 nop
194 nop
195 nop
196 nop
197do_sys_setsockopt: /* compat_sys_setsockopt(int, int, int, char *, int) */
8cf14af0 19847: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 199 sethi %hi(compat_sys_setsockopt), %g1
8cf14af0
DM
20048: ldswa [%o1 + 0x8] %asi, %o2
20149: lduwa [%o1 + 0xc] %asi, %o3
20250: ldswa [%o1 + 0x10] %asi, %o4
1da177e4 203 jmpl %g1 + %lo(compat_sys_setsockopt), %g0
8cf14af0 20451: ldswa [%o1 + 0x4] %asi, %o1
1da177e4
LT
205 nop
206do_sys_getsockopt: /* compat_sys_getsockopt(int, int, int, u32, u32) */
8cf14af0 20752: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 208 sethi %hi(compat_sys_getsockopt), %g1
8cf14af0
DM
20953: ldswa [%o1 + 0x8] %asi, %o2
21054: lduwa [%o1 + 0xc] %asi, %o3
21155: lduwa [%o1 + 0x10] %asi, %o4
1da177e4 212 jmpl %g1 + %lo(compat_sys_getsockopt), %g0
8cf14af0 21356: ldswa [%o1 + 0x4] %asi, %o1
1da177e4
LT
214 nop
215do_sys_sendmsg: /* compat_sys_sendmsg(int, struct compat_msghdr *, unsigned int) */
8cf14af0 21657: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 217 sethi %hi(compat_sys_sendmsg), %g1
8cf14af0 21858: lduwa [%o1 + 0x8] %asi, %o2
1da177e4 219 jmpl %g1 + %lo(compat_sys_sendmsg), %g0
8cf14af0 22059: lduwa [%o1 + 0x4] %asi, %o1
1da177e4
LT
221 nop
222 nop
223 nop
224do_sys_recvmsg: /* compat_sys_recvmsg(int, struct compat_msghdr *, unsigned int) */
8cf14af0 22560: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 226 sethi %hi(compat_sys_recvmsg), %g1
8cf14af0 22761: lduwa [%o1 + 0x8] %asi, %o2
1da177e4 228 jmpl %g1 + %lo(compat_sys_recvmsg), %g0
8cf14af0 22962: lduwa [%o1 + 0x4] %asi, %o1
1da177e4
LT
230 nop
231 nop
232 nop
f8b2256e
DM
233do_sys_accept4: /* sys_accept4(int, struct sockaddr *, int *, int) */
23463: ldswa [%o1 + 0x0] %asi, %o0
235 sethi %hi(sys_accept4), %g1
23664: lduwa [%o1 + 0x8] %asi, %o2
23765: ldswa [%o1 + 0xc] %asi, %o3
238 jmpl %g1 + %lo(sys_accept4), %g0
23966: lduwa [%o1 + 0x4] %asi, %o1
240 nop
241 nop
1da177e4 242
4d000d5b 243 .section __ex_table,"a"
1da177e4 244 .align 4
5fd29752
DM
245 .word 1b, __retl_efault, 2b, __retl_efault
246 .word 3b, __retl_efault, 4b, __retl_efault
247 .word 5b, __retl_efault, 6b, __retl_efault
248 .word 7b, __retl_efault, 8b, __retl_efault
249 .word 9b, __retl_efault, 10b, __retl_efault
250 .word 11b, __retl_efault, 12b, __retl_efault
251 .word 13b, __retl_efault, 14b, __retl_efault
252 .word 15b, __retl_efault, 16b, __retl_efault
253 .word 17b, __retl_efault, 18b, __retl_efault
254 .word 19b, __retl_efault, 20b, __retl_efault
255 .word 21b, __retl_efault, 22b, __retl_efault
256 .word 23b, __retl_efault, 24b, __retl_efault
257 .word 25b, __retl_efault, 26b, __retl_efault
258 .word 27b, __retl_efault, 28b, __retl_efault
259 .word 29b, __retl_efault, 30b, __retl_efault
260 .word 31b, __retl_efault, 32b, __retl_efault
261 .word 33b, __retl_efault, 34b, __retl_efault
262 .word 35b, __retl_efault, 36b, __retl_efault
263 .word 37b, __retl_efault, 38b, __retl_efault
264 .word 39b, __retl_efault, 40b, __retl_efault
265 .word 41b, __retl_efault, 42b, __retl_efault
266 .word 43b, __retl_efault, 44b, __retl_efault
267 .word 45b, __retl_efault, 46b, __retl_efault
268 .word 47b, __retl_efault, 48b, __retl_efault
269 .word 49b, __retl_efault, 50b, __retl_efault
270 .word 51b, __retl_efault, 52b, __retl_efault
271 .word 53b, __retl_efault, 54b, __retl_efault
272 .word 55b, __retl_efault, 56b, __retl_efault
273 .word 57b, __retl_efault, 58b, __retl_efault
274 .word 59b, __retl_efault, 60b, __retl_efault
275 .word 61b, __retl_efault, 62b, __retl_efault
f8b2256e
DM
276 .word 63b, __retl_efault, 64b, __retl_efault
277 .word 65b, __retl_efault, 66b, __retl_efault
1da177e4 278 .previous
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