xref: /linux/arch/sparc/kernel/sys32.S (revision 75b1a8f9d62e50f05d0e4e9f3c8bcde32527ffc1)
1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * sys32.S: I-cache tricks for 32-bit compatibility layer simple
4 *          conversions.
5 *
6 * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
7 * Copyright (C) 1998 Jakub Jelinek   (jj@ultra.linux.cz)
8 */
9
10#include <asm/errno.h>
11
12/* NOTE: call as jump breaks return stack, we have to avoid that */
13
14	.text
15
16	.globl		sys32_mmap2
17sys32_mmap2:
18	sethi		%hi(sys_mmap), %g1
19	jmpl		%g1 + %lo(sys_mmap), %g0
20	 sllx		%o5, 12, %o5
21
22	.align		32
23	.globl		sys32_socketcall
24sys32_socketcall:	/* %o0=call, %o1=args */
25	cmp		%o0, 1
26	bl,pn		%xcc, do_einval
27	 cmp		%o0, 18
28	bg,pn		%xcc, do_einval
29	 sub		%o0, 1, %o0
30	sllx		%o0, 5, %o0
31	sethi		%hi(__socketcall_table_begin), %g2
32	or		%g2, %lo(__socketcall_table_begin), %g2
33	jmpl		%g2 + %o0, %g0
34	 nop
35do_einval:
36	retl
37	 mov		-EINVAL, %o0
38
39	.align		32
40__socketcall_table_begin:
41
42	/* Each entry is exactly 32 bytes. */
43do_sys_socket: /* sys_socket(int, int, int) */
441:	ldswa		[%o1 + 0x0] %asi, %o0
45	sethi		%hi(sys_socket), %g1
462:	ldswa		[%o1 + 0x8] %asi, %o2
47	jmpl		%g1 + %lo(sys_socket), %g0
483:	 ldswa		[%o1 + 0x4] %asi, %o1
49	nop
50	nop
51	nop
52do_sys_bind: /* sys_bind(int fd, struct sockaddr *, int) */
534:	ldswa		[%o1 + 0x0] %asi, %o0
54	sethi		%hi(sys_bind), %g1
555:	ldswa		[%o1 + 0x8] %asi, %o2
56	jmpl		%g1 + %lo(sys_bind), %g0
576:	 lduwa		[%o1 + 0x4] %asi, %o1
58	nop
59	nop
60	nop
61do_sys_connect: /* sys_connect(int, struct sockaddr *, int) */
627:	ldswa		[%o1 + 0x0] %asi, %o0
63	sethi		%hi(sys_connect), %g1
648:	ldswa		[%o1 + 0x8] %asi, %o2
65	jmpl		%g1 + %lo(sys_connect), %g0
669:	 lduwa		[%o1 + 0x4] %asi, %o1
67	nop
68	nop
69	nop
70do_sys_listen: /* sys_listen(int, int) */
7110:	ldswa		[%o1 + 0x0] %asi, %o0
72	sethi		%hi(sys_listen), %g1
73	jmpl		%g1 + %lo(sys_listen), %g0
7411:	 ldswa		[%o1 + 0x4] %asi, %o1
75	nop
76	nop
77	nop
78	nop
79do_sys_accept: /* sys_accept(int, struct sockaddr *, int *) */
8012:	ldswa		[%o1 + 0x0] %asi, %o0
81	sethi		%hi(sys_accept), %g1
8213:	lduwa		[%o1 + 0x8] %asi, %o2
83	jmpl		%g1 + %lo(sys_accept), %g0
8414:	 lduwa		[%o1 + 0x4] %asi, %o1
85	nop
86	nop
87	nop
88do_sys_getsockname: /* sys_getsockname(int, struct sockaddr *, int *) */
8915:	ldswa		[%o1 + 0x0] %asi, %o0
90	sethi		%hi(sys_getsockname), %g1
9116:	lduwa		[%o1 + 0x8] %asi, %o2
92	jmpl		%g1 + %lo(sys_getsockname), %g0
9317:	 lduwa		[%o1 + 0x4] %asi, %o1
94	nop
95	nop
96	nop
97do_sys_getpeername: /* sys_getpeername(int, struct sockaddr *, int *) */
9818:	ldswa		[%o1 + 0x0] %asi, %o0
99	sethi		%hi(sys_getpeername), %g1
10019:	lduwa		[%o1 + 0x8] %asi, %o2
101	jmpl		%g1 + %lo(sys_getpeername), %g0
10220:	 lduwa		[%o1 + 0x4] %asi, %o1
103	nop
104	nop
105	nop
106do_sys_socketpair: /* sys_socketpair(int, int, int, int *) */
10721:	ldswa		[%o1 + 0x0] %asi, %o0
108	sethi		%hi(sys_socketpair), %g1
10922:	ldswa		[%o1 + 0x8] %asi, %o2
11023:	lduwa		[%o1 + 0xc] %asi, %o3
111	jmpl		%g1 + %lo(sys_socketpair), %g0
11224:	 ldswa		[%o1 + 0x4] %asi, %o1
113	nop
114	nop
115do_sys_send: /* sys_send(int, void *, size_t, unsigned int) */
11625:	ldswa		[%o1 + 0x0] %asi, %o0
117	sethi		%hi(sys_send), %g1
11826:	lduwa		[%o1 + 0x8] %asi, %o2
11927:	lduwa		[%o1 + 0xc] %asi, %o3
120	jmpl		%g1 + %lo(sys_send), %g0
12128:	 lduwa		[%o1 + 0x4] %asi, %o1
122	nop
123	nop
124do_sys_recv: /* sys_recv(int, void *, size_t, unsigned int) */
12529:	ldswa		[%o1 + 0x0] %asi, %o0
126	sethi		%hi(sys_recv), %g1
12730:	lduwa		[%o1 + 0x8] %asi, %o2
12831:	lduwa		[%o1 + 0xc] %asi, %o3
129	jmpl		%g1 + %lo(sys_recv), %g0
13032:	 lduwa		[%o1 + 0x4] %asi, %o1
131	nop
132	nop
133do_sys_sendto: /* sys_sendto(int, u32, compat_size_t, unsigned int, u32, int) */
13433:	ldswa		[%o1 + 0x0] %asi, %o0
135	sethi		%hi(sys_sendto), %g1
13634:	lduwa		[%o1 + 0x8] %asi, %o2
13735:	lduwa		[%o1 + 0xc] %asi, %o3
13836:	lduwa		[%o1 + 0x10] %asi, %o4
13937:	ldswa		[%o1 + 0x14] %asi, %o5
140	jmpl		%g1 + %lo(sys_sendto), %g0
14138:	 lduwa		[%o1 + 0x4] %asi, %o1
142do_sys_recvfrom: /* sys_recvfrom(int, u32, compat_size_t, unsigned int, u32, u32) */
14339:	ldswa		[%o1 + 0x0] %asi, %o0
144	sethi		%hi(sys_recvfrom), %g1
14540:	lduwa		[%o1 + 0x8] %asi, %o2
14641:	lduwa		[%o1 + 0xc] %asi, %o3
14742:	lduwa		[%o1 + 0x10] %asi, %o4
14843:	lduwa		[%o1 + 0x14] %asi, %o5
149	jmpl		%g1 + %lo(sys_recvfrom), %g0
15044:	 lduwa		[%o1 + 0x4] %asi, %o1
151do_sys_shutdown: /* sys_shutdown(int, int) */
15245:	ldswa		[%o1 + 0x0] %asi, %o0
153	sethi		%hi(sys_shutdown), %g1
154	jmpl		%g1 + %lo(sys_shutdown), %g0
15546:	 ldswa		[%o1 + 0x4] %asi, %o1
156	nop
157	nop
158	nop
159	nop
160do_sys_setsockopt: /* sys_setsockopt(int, int, int, char *, int) */
16147:	ldswa		[%o1 + 0x0] %asi, %o0
162	sethi		%hi(sys_setsockopt), %g1
16348:	ldswa		[%o1 + 0x8] %asi, %o2
16449:	lduwa		[%o1 + 0xc] %asi, %o3
16550:	ldswa		[%o1 + 0x10] %asi, %o4
166	jmpl		%g1 + %lo(sys_setsockopt), %g0
16751:	 ldswa		[%o1 + 0x4] %asi, %o1
168	nop
169do_sys_getsockopt: /* sys_getsockopt(int, int, int, u32, u32) */
17052:	ldswa		[%o1 + 0x0] %asi, %o0
171	sethi		%hi(sys_getsockopt), %g1
17253:	ldswa		[%o1 + 0x8] %asi, %o2
17354:	lduwa		[%o1 + 0xc] %asi, %o3
17455:	lduwa		[%o1 + 0x10] %asi, %o4
175	jmpl		%g1 + %lo(sys_getsockopt), %g0
17656:	 ldswa		[%o1 + 0x4] %asi, %o1
177	nop
178do_sys_sendmsg: /* compat_sys_sendmsg(int, struct compat_msghdr *, unsigned int) */
17957:	ldswa		[%o1 + 0x0] %asi, %o0
180	sethi		%hi(compat_sys_sendmsg), %g1
18158:	lduwa		[%o1 + 0x8] %asi, %o2
182	jmpl		%g1 + %lo(compat_sys_sendmsg), %g0
18359:	 lduwa		[%o1 + 0x4] %asi, %o1
184	nop
185	nop
186	nop
187do_sys_recvmsg: /* compat_sys_recvmsg(int, struct compat_msghdr *, unsigned int) */
18860:	ldswa		[%o1 + 0x0] %asi, %o0
189	sethi		%hi(compat_sys_recvmsg), %g1
19061:	lduwa		[%o1 + 0x8] %asi, %o2
191	jmpl		%g1 + %lo(compat_sys_recvmsg), %g0
19262:	 lduwa		[%o1 + 0x4] %asi, %o1
193	nop
194	nop
195	nop
196do_sys_accept4: /* sys_accept4(int, struct sockaddr *, int *, int) */
19763:	ldswa		[%o1 + 0x0] %asi, %o0
198	sethi		%hi(sys_accept4), %g1
19964:	lduwa		[%o1 + 0x8] %asi, %o2
20065:	ldswa		[%o1 + 0xc] %asi, %o3
201	jmpl		%g1 + %lo(sys_accept4), %g0
20266:	 lduwa		[%o1 + 0x4] %asi, %o1
203	nop
204	nop
205
206	.section	__ex_table,"a"
207	.align		4
208	.word		1b, __retl_efault, 2b, __retl_efault
209	.word		3b, __retl_efault, 4b, __retl_efault
210	.word		5b, __retl_efault, 6b, __retl_efault
211	.word		7b, __retl_efault, 8b, __retl_efault
212	.word		9b, __retl_efault, 10b, __retl_efault
213	.word		11b, __retl_efault, 12b, __retl_efault
214	.word		13b, __retl_efault, 14b, __retl_efault
215	.word		15b, __retl_efault, 16b, __retl_efault
216	.word		17b, __retl_efault, 18b, __retl_efault
217	.word		19b, __retl_efault, 20b, __retl_efault
218	.word		21b, __retl_efault, 22b, __retl_efault
219	.word		23b, __retl_efault, 24b, __retl_efault
220	.word		25b, __retl_efault, 26b, __retl_efault
221	.word		27b, __retl_efault, 28b, __retl_efault
222	.word		29b, __retl_efault, 30b, __retl_efault
223	.word		31b, __retl_efault, 32b, __retl_efault
224	.word		33b, __retl_efault, 34b, __retl_efault
225	.word		35b, __retl_efault, 36b, __retl_efault
226	.word		37b, __retl_efault, 38b, __retl_efault
227	.word		39b, __retl_efault, 40b, __retl_efault
228	.word		41b, __retl_efault, 42b, __retl_efault
229	.word		43b, __retl_efault, 44b, __retl_efault
230	.word		45b, __retl_efault, 46b, __retl_efault
231	.word		47b, __retl_efault, 48b, __retl_efault
232	.word		49b, __retl_efault, 50b, __retl_efault
233	.word		51b, __retl_efault, 52b, __retl_efault
234	.word		53b, __retl_efault, 54b, __retl_efault
235	.word		55b, __retl_efault, 56b, __retl_efault
236	.word		57b, __retl_efault, 58b, __retl_efault
237	.word		59b, __retl_efault, 60b, __retl_efault
238	.word		61b, __retl_efault, 62b, __retl_efault
239	.word		63b, __retl_efault, 64b, __retl_efault
240	.word		65b, __retl_efault, 66b, __retl_efault
241	.previous
242