Root/arch/sparc/kernel/sys32.S

Source at commit 0de2b2b3be81048189a32f7a3d3ba0ba9ec817b6 created 11 years 11 months ago.
By Maarten ter Huurne, MIPS: JZ4740: Fixed value for round robin constant.
1/*
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 <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
39#define SIGN4(STUB,SYSCALL,REG1,REG2,REG3,REG4) \
40    .align 32; \
41    .globl STUB; \
42STUB: sra REG1, 0, REG1; \
43    sethi %hi(SYSCALL), %g1; \
44    sra REG2, 0, REG2; \
45    sra REG3, 0, REG3; \
46    jmpl %g1 + %lo(SYSCALL), %g0; \
47    sra REG4, 0, REG4
48
49SIGN1(sys32_exit, sparc_exit, %o0)
50SIGN1(sys32_exit_group, sys_exit_group, %o0)
51SIGN1(sys32_wait4, compat_sys_wait4, %o2)
52SIGN1(sys32_creat, sys_creat, %o1)
53SIGN1(sys32_mknod, sys_mknod, %o1)
54SIGN1(sys32_umount, sys_umount, %o1)
55SIGN1(sys32_signal, sys_signal, %o0)
56SIGN1(sys32_access, sys_access, %o1)
57SIGN1(sys32_msync, sys_msync, %o2)
58SIGN2(sys32_reboot, sys_reboot, %o0, %o1)
59SIGN1(sys32_setitimer, compat_sys_setitimer, %o0)
60SIGN1(sys32_getitimer, compat_sys_getitimer, %o0)
61SIGN1(sys32_sethostname, sys_sethostname, %o1)
62SIGN1(sys32_swapon, sys_swapon, %o1)
63SIGN1(sys32_sigaction, compat_sys_sigaction, %o0)
64SIGN1(sys32_rt_sigaction, compat_sys_rt_sigaction, %o0)
65SIGN1(sys32_sigprocmask, compat_sys_sigprocmask, %o0)
66SIGN1(sys32_rt_sigprocmask, compat_sys_rt_sigprocmask, %o0)
67SIGN2(sys32_rt_sigqueueinfo, compat_sys_rt_sigqueueinfo, %o0, %o1)
68SIGN1(sys32_getrusage, compat_sys_getrusage, %o0)
69SIGN1(sys32_setxattr, sys_setxattr, %o4)
70SIGN1(sys32_lsetxattr, sys_lsetxattr, %o4)
71SIGN1(sys32_fsetxattr, sys_fsetxattr, %o4)
72SIGN1(sys32_fgetxattr, sys_fgetxattr, %o0)
73SIGN1(sys32_flistxattr, sys_flistxattr, %o0)
74SIGN1(sys32_fremovexattr, sys_fremovexattr, %o0)
75SIGN2(sys32_tkill, sys_tkill, %o0, %o1)
76SIGN1(sys32_epoll_create, sys_epoll_create, %o0)
77SIGN3(sys32_epoll_ctl, sys_epoll_ctl, %o0, %o1, %o2)
78SIGN3(sys32_epoll_wait, sys_epoll_wait, %o0, %o2, %o3)
79SIGN1(sys32_readahead, compat_sys_readahead, %o0)
80SIGN2(sys32_fadvise64, compat_sys_fadvise64, %o0, %o4)
81SIGN2(sys32_fadvise64_64, compat_sys_fadvise64_64, %o0, %o5)
82SIGN2(sys32_bdflush, sys_bdflush, %o0, %o1)
83SIGN1(sys32_mlockall, sys_mlockall, %o0)
84SIGN1(sys32_clock_nanosleep, compat_sys_clock_nanosleep, %o1)
85SIGN1(sys32_timer_settime, compat_sys_timer_settime, %o1)
86SIGN1(sys32_io_submit, compat_sys_io_submit, %o1)
87SIGN1(sys32_mq_open, compat_sys_mq_open, %o1)
88SIGN1(sys32_select, compat_sys_select, %o0)
89SIGN1(sys32_mkdir, sys_mkdir, %o1)
90SIGN3(sys32_futex, compat_sys_futex, %o1, %o2, %o5)
91SIGN1(sys32_sysfs, compat_sys_sysfs, %o0)
92SIGN2(sys32_sendfile, compat_sys_sendfile, %o0, %o1)
93SIGN2(sys32_sendfile64, compat_sys_sendfile64, %o0, %o1)
94SIGN1(sys32_prctl, sys_prctl, %o0)
95SIGN1(sys32_sched_rr_get_interval, compat_sys_sched_rr_get_interval, %o0)
96SIGN2(sys32_waitpid, sys_waitpid, %o0, %o2)
97SIGN1(sys32_getgroups, sys_getgroups, %o0)
98SIGN1(sys32_getpgid, sys_getpgid, %o0)
99SIGN2(sys32_getpriority, sys_getpriority, %o0, %o1)
100SIGN1(sys32_getsid, sys_getsid, %o0)
101SIGN2(sys32_kill, sys_kill, %o0, %o1)
102SIGN1(sys32_nice, sys_nice, %o0)
103SIGN1(sys32_lseek, sys_lseek, %o1)
104SIGN2(sys32_open, sparc32_open, %o1, %o2)
105SIGN1(sys32_readlink, sys_readlink, %o2)
106SIGN1(sys32_sched_get_priority_max, sys_sched_get_priority_max, %o0)
107SIGN1(sys32_sched_get_priority_min, sys_sched_get_priority_min, %o0)
108SIGN1(sys32_sched_getparam, sys_sched_getparam, %o0)
109SIGN1(sys32_sched_getscheduler, sys_sched_getscheduler, %o0)
110SIGN1(sys32_sched_setparam, sys_sched_setparam, %o0)
111SIGN2(sys32_sched_setscheduler, sys_sched_setscheduler, %o0, %o1)
112SIGN1(sys32_getdomainname, sys_getdomainname, %o1)
113SIGN1(sys32_setdomainname, sys_setdomainname, %o1)
114SIGN1(sys32_setgroups, sys_setgroups, %o0)
115SIGN2(sys32_setpgid, sys_setpgid, %o0, %o1)
116SIGN3(sys32_setpriority, sys_setpriority, %o0, %o1, %o2)
117SIGN1(sys32_ssetmask, sys_ssetmask, %o0)
118SIGN2(sys32_syslog, sys_syslog, %o0, %o2)
119SIGN1(sys32_umask, sys_umask, %o0)
120SIGN3(sys32_tgkill, sys_tgkill, %o0, %o1, %o2)
121SIGN1(sys32_sendto, sys_sendto, %o0)
122SIGN1(sys32_recvfrom, compat_sys_recvfrom, %o0)
123SIGN3(sys32_socket, sys_socket, %o0, %o1, %o2)
124SIGN2(sys32_connect, sys_connect, %o0, %o2)
125SIGN2(sys32_bind, sys_bind, %o0, %o2)
126SIGN2(sys32_listen, sys_listen, %o0, %o1)
127SIGN1(sys32_recvmsg, compat_sys_recvmsg, %o0)
128SIGN1(sys32_sendmsg, compat_sys_sendmsg, %o0)
129SIGN2(sys32_shutdown, sys_shutdown, %o0, %o1)
130SIGN3(sys32_socketpair, sys_socketpair, %o0, %o1, %o2)
131SIGN1(sys32_getpeername, sys_getpeername, %o0)
132SIGN1(sys32_getsockname, sys_getsockname, %o0)
133SIGN2(sys32_ioprio_get, sys_ioprio_get, %o0, %o1)
134SIGN3(sys32_ioprio_set, sys_ioprio_set, %o0, %o1, %o2)
135SIGN2(sys32_splice, sys_splice, %o0, %o2)
136SIGN2(sys32_sync_file_range, compat_sync_file_range, %o0, %o5)
137SIGN2(sys32_tee, sys_tee, %o0, %o1)
138SIGN1(sys32_vmsplice, compat_sys_vmsplice, %o0)
139SIGN1(sys32_truncate, sys_truncate, %o1)
140SIGN1(sys32_ftruncate, sys_ftruncate, %o1)
141
142    .globl sys32_mmap2
143sys32_mmap2:
144    sethi %hi(sys_mmap), %g1
145    jmpl %g1 + %lo(sys_mmap), %g0
146     sllx %o5, 12, %o5
147
148    .align 32
149    .globl sys32_socketcall
150sys32_socketcall: /* %o0=call, %o1=args */
151    cmp %o0, 1
152    bl,pn %xcc, do_einval
153     cmp %o0, 18
154    bg,pn %xcc, do_einval
155     sub %o0, 1, %o0
156    sllx %o0, 5, %o0
157    sethi %hi(__socketcall_table_begin), %g2
158    or %g2, %lo(__socketcall_table_begin), %g2
159    jmpl %g2 + %o0, %g0
160     nop
161do_einval:
162    retl
163     mov -EINVAL, %o0
164
165    .align 32
166__socketcall_table_begin:
167
168    /* Each entry is exactly 32 bytes. */
169do_sys_socket: /* sys_socket(int, int, int) */
1701: ldswa [%o1 + 0x0] %asi, %o0
171    sethi %hi(sys_socket), %g1
1722: ldswa [%o1 + 0x8] %asi, %o2
173    jmpl %g1 + %lo(sys_socket), %g0
1743: ldswa [%o1 + 0x4] %asi, %o1
175    nop
176    nop
177    nop
178do_sys_bind: /* sys_bind(int fd, struct sockaddr *, int) */
1794: ldswa [%o1 + 0x0] %asi, %o0
180    sethi %hi(sys_bind), %g1
1815: ldswa [%o1 + 0x8] %asi, %o2
182    jmpl %g1 + %lo(sys_bind), %g0
1836: lduwa [%o1 + 0x4] %asi, %o1
184    nop
185    nop
186    nop
187do_sys_connect: /* sys_connect(int, struct sockaddr *, int) */
1887: ldswa [%o1 + 0x0] %asi, %o0
189    sethi %hi(sys_connect), %g1
1908: ldswa [%o1 + 0x8] %asi, %o2
191    jmpl %g1 + %lo(sys_connect), %g0
1929: lduwa [%o1 + 0x4] %asi, %o1
193    nop
194    nop
195    nop
196do_sys_listen: /* sys_listen(int, int) */
19710: ldswa [%o1 + 0x0] %asi, %o0
198    sethi %hi(sys_listen), %g1
199    jmpl %g1 + %lo(sys_listen), %g0
20011: ldswa [%o1 + 0x4] %asi, %o1
201    nop
202    nop
203    nop
204    nop
205do_sys_accept: /* sys_accept(int, struct sockaddr *, int *) */
20612: ldswa [%o1 + 0x0] %asi, %o0
207    sethi %hi(sys_accept), %g1
20813: lduwa [%o1 + 0x8] %asi, %o2
209    jmpl %g1 + %lo(sys_accept), %g0
21014: lduwa [%o1 + 0x4] %asi, %o1
211    nop
212    nop
213    nop
214do_sys_getsockname: /* sys_getsockname(int, struct sockaddr *, int *) */
21515: ldswa [%o1 + 0x0] %asi, %o0
216    sethi %hi(sys_getsockname), %g1
21716: lduwa [%o1 + 0x8] %asi, %o2
218    jmpl %g1 + %lo(sys_getsockname), %g0
21917: lduwa [%o1 + 0x4] %asi, %o1
220    nop
221    nop
222    nop
223do_sys_getpeername: /* sys_getpeername(int, struct sockaddr *, int *) */
22418: ldswa [%o1 + 0x0] %asi, %o0
225    sethi %hi(sys_getpeername), %g1
22619: lduwa [%o1 + 0x8] %asi, %o2
227    jmpl %g1 + %lo(sys_getpeername), %g0
22820: lduwa [%o1 + 0x4] %asi, %o1
229    nop
230    nop
231    nop
232do_sys_socketpair: /* sys_socketpair(int, int, int, int *) */
23321: ldswa [%o1 + 0x0] %asi, %o0
234    sethi %hi(sys_socketpair), %g1
23522: ldswa [%o1 + 0x8] %asi, %o2
23623: lduwa [%o1 + 0xc] %asi, %o3
237    jmpl %g1 + %lo(sys_socketpair), %g0
23824: ldswa [%o1 + 0x4] %asi, %o1
239    nop
240    nop
241do_sys_send: /* sys_send(int, void *, size_t, unsigned int) */
24225: ldswa [%o1 + 0x0] %asi, %o0
243    sethi %hi(sys_send), %g1
24426: lduwa [%o1 + 0x8] %asi, %o2
24527: lduwa [%o1 + 0xc] %asi, %o3
246    jmpl %g1 + %lo(sys_send), %g0
24728: lduwa [%o1 + 0x4] %asi, %o1
248    nop
249    nop
250do_sys_recv: /* sys_recv(int, void *, size_t, unsigned int) */
25129: ldswa [%o1 + 0x0] %asi, %o0
252    sethi %hi(sys_recv), %g1
25330: lduwa [%o1 + 0x8] %asi, %o2
25431: lduwa [%o1 + 0xc] %asi, %o3
255    jmpl %g1 + %lo(sys_recv), %g0
25632: lduwa [%o1 + 0x4] %asi, %o1
257    nop
258    nop
259do_sys_sendto: /* sys_sendto(int, u32, compat_size_t, unsigned int, u32, int) */
26033: ldswa [%o1 + 0x0] %asi, %o0
261    sethi %hi(sys_sendto), %g1
26234: lduwa [%o1 + 0x8] %asi, %o2
26335: lduwa [%o1 + 0xc] %asi, %o3
26436: lduwa [%o1 + 0x10] %asi, %o4
26537: ldswa [%o1 + 0x14] %asi, %o5
266    jmpl %g1 + %lo(sys_sendto), %g0
26738: lduwa [%o1 + 0x4] %asi, %o1
268do_sys_recvfrom: /* sys_recvfrom(int, u32, compat_size_t, unsigned int, u32, u32) */
26939: ldswa [%o1 + 0x0] %asi, %o0
270    sethi %hi(sys_recvfrom), %g1
27140: lduwa [%o1 + 0x8] %asi, %o2
27241: lduwa [%o1 + 0xc] %asi, %o3
27342: lduwa [%o1 + 0x10] %asi, %o4
27443: lduwa [%o1 + 0x14] %asi, %o5
275    jmpl %g1 + %lo(sys_recvfrom), %g0
27644: lduwa [%o1 + 0x4] %asi, %o1
277do_sys_shutdown: /* sys_shutdown(int, int) */
27845: ldswa [%o1 + 0x0] %asi, %o0
279    sethi %hi(sys_shutdown), %g1
280    jmpl %g1 + %lo(sys_shutdown), %g0
28146: ldswa [%o1 + 0x4] %asi, %o1
282    nop
283    nop
284    nop
285    nop
286do_sys_setsockopt: /* compat_sys_setsockopt(int, int, int, char *, int) */
28747: ldswa [%o1 + 0x0] %asi, %o0
288    sethi %hi(compat_sys_setsockopt), %g1
28948: ldswa [%o1 + 0x8] %asi, %o2
29049: lduwa [%o1 + 0xc] %asi, %o3
29150: ldswa [%o1 + 0x10] %asi, %o4
292    jmpl %g1 + %lo(compat_sys_setsockopt), %g0
29351: ldswa [%o1 + 0x4] %asi, %o1
294    nop
295do_sys_getsockopt: /* compat_sys_getsockopt(int, int, int, u32, u32) */
29652: ldswa [%o1 + 0x0] %asi, %o0
297    sethi %hi(compat_sys_getsockopt), %g1
29853: ldswa [%o1 + 0x8] %asi, %o2
29954: lduwa [%o1 + 0xc] %asi, %o3
30055: lduwa [%o1 + 0x10] %asi, %o4
301    jmpl %g1 + %lo(compat_sys_getsockopt), %g0
30256: ldswa [%o1 + 0x4] %asi, %o1
303    nop
304do_sys_sendmsg: /* compat_sys_sendmsg(int, struct compat_msghdr *, unsigned int) */
30557: ldswa [%o1 + 0x0] %asi, %o0
306    sethi %hi(compat_sys_sendmsg), %g1
30758: lduwa [%o1 + 0x8] %asi, %o2
308    jmpl %g1 + %lo(compat_sys_sendmsg), %g0
30959: lduwa [%o1 + 0x4] %asi, %o1
310    nop
311    nop
312    nop
313do_sys_recvmsg: /* compat_sys_recvmsg(int, struct compat_msghdr *, unsigned int) */
31460: ldswa [%o1 + 0x0] %asi, %o0
315    sethi %hi(compat_sys_recvmsg), %g1
31661: lduwa [%o1 + 0x8] %asi, %o2
317    jmpl %g1 + %lo(compat_sys_recvmsg), %g0
31862: lduwa [%o1 + 0x4] %asi, %o1
319    nop
320    nop
321    nop
322do_sys_accept4: /* sys_accept4(int, struct sockaddr *, int *, int) */
32363: ldswa [%o1 + 0x0] %asi, %o0
324    sethi %hi(sys_accept4), %g1
32564: lduwa [%o1 + 0x8] %asi, %o2
32665: ldswa [%o1 + 0xc] %asi, %o3
327    jmpl %g1 + %lo(sys_accept4), %g0
32866: lduwa [%o1 + 0x4] %asi, %o1
329    nop
330    nop
331
332    .globl sys32_fanotify_mark
333sys32_fanotify_mark:
334    sethi %hi(sys_fanotify_mark), %g1
335    sllx %o2, 32, %o2
336    or %o2, %o3, %o2
337    mov %o4, %o3
338    jmpl %g1 + %lo(sys_fanotify_mark), %g0
339     mov %o5, %o4
340
341    .section __ex_table,"a"
342    .align 4
343    .word 1b, __retl_efault, 2b, __retl_efault
344    .word 3b, __retl_efault, 4b, __retl_efault
345    .word 5b, __retl_efault, 6b, __retl_efault
346    .word 7b, __retl_efault, 8b, __retl_efault
347    .word 9b, __retl_efault, 10b, __retl_efault
348    .word 11b, __retl_efault, 12b, __retl_efault
349    .word 13b, __retl_efault, 14b, __retl_efault
350    .word 15b, __retl_efault, 16b, __retl_efault
351    .word 17b, __retl_efault, 18b, __retl_efault
352    .word 19b, __retl_efault, 20b, __retl_efault
353    .word 21b, __retl_efault, 22b, __retl_efault
354    .word 23b, __retl_efault, 24b, __retl_efault
355    .word 25b, __retl_efault, 26b, __retl_efault
356    .word 27b, __retl_efault, 28b, __retl_efault
357    .word 29b, __retl_efault, 30b, __retl_efault
358    .word 31b, __retl_efault, 32b, __retl_efault
359    .word 33b, __retl_efault, 34b, __retl_efault
360    .word 35b, __retl_efault, 36b, __retl_efault
361    .word 37b, __retl_efault, 38b, __retl_efault
362    .word 39b, __retl_efault, 40b, __retl_efault
363    .word 41b, __retl_efault, 42b, __retl_efault
364    .word 43b, __retl_efault, 44b, __retl_efault
365    .word 45b, __retl_efault, 46b, __retl_efault
366    .word 47b, __retl_efault, 48b, __retl_efault
367    .word 49b, __retl_efault, 50b, __retl_efault
368    .word 51b, __retl_efault, 52b, __retl_efault
369    .word 53b, __retl_efault, 54b, __retl_efault
370    .word 55b, __retl_efault, 56b, __retl_efault
371    .word 57b, __retl_efault, 58b, __retl_efault
372    .word 59b, __retl_efault, 60b, __retl_efault
373    .word 61b, __retl_efault, 62b, __retl_efault
374    .word 63b, __retl_efault, 64b, __retl_efault
375    .word 65b, __retl_efault, 66b, __retl_efault
376    .previous
377

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