aboutsummaryrefslogtreecommitdiffstats
path: root/arch/sparc64/solaris/entry64.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sparc64/solaris/entry64.S')
-rw-r--r--arch/sparc64/solaris/entry64.S223
1 files changed, 0 insertions, 223 deletions
diff --git a/arch/sparc64/solaris/entry64.S b/arch/sparc64/solaris/entry64.S
deleted file mode 100644
index f170324e8bf2..000000000000
--- a/arch/sparc64/solaris/entry64.S
+++ /dev/null
@@ -1,223 +0,0 @@
1/* $Id: entry64.S,v 1.7 2002/02/09 19:49:31 davem Exp $
2 * entry64.S: Solaris syscall emulation entry point.
3 *
4 * Copyright (C) 1996,1997,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
5 * Copyright (C) 1995,1997 David S. Miller (davem@caip.rutgers.edu)
6 * Copyright (C) 1996 Miguel de Icaza (miguel@nuclecu.unam.mx)
7 */
8
9#include <linux/errno.h>
10
11#include <asm/head.h>
12#include <asm/asi.h>
13#include <asm/smp.h>
14#include <asm/ptrace.h>
15#include <asm/page.h>
16#include <asm/signal.h>
17#include <asm/pgtable.h>
18#include <asm/processor.h>
19#include <asm/thread_info.h>
20
21#include "conv.h"
22
23#define NR_SYSCALLS 256
24
25 .text
26solaris_syscall_trace:
27 add %sp, PTREGS_OFF, %o0
28 call syscall_trace
29 mov 0, %o1
30 srl %i0, 0, %o0
31 mov %i4, %o4
32 srl %i1, 0, %o1
33 mov %i5, %o5
34 andcc %l3, 1, %g0
35 be,pt %icc, 2f
36 srl %i2, 0, %o2
37 b,pt %xcc, 2f
38 add %sp, PTREGS_OFF, %o0
39
40solaris_sucks:
41/* Solaris is a big system which needs to be able to do all the things
42 * in Inf+1 different ways */
43 add %i6, 0x5c, %o0
44 mov %i0, %g1
45 mov %i1, %i0
46 mov %i2, %i1
47 srl %o0, 0, %o0
48 mov %i3, %i2
49 movrz %g1, 256, %g1 /* Ensure we don't loop forever */
50 mov %i4, %i3
51 mov %i5, %i4
52 ba,pt %xcc, solaris_sparc_syscall
53exen: lduwa [%o0] ASI_S, %i5
54
55exenf: ba,pt %xcc, solaris_sparc_syscall
56 clr %i5
57
58/* For shared binaries, binfmt_elf32 already sets up personality
59 and exec_domain. This is to handle static binaries as well */
60solaris_reg:
61 call solaris_register
62 nop
63 ba,pt %xcc, 1f
64 mov %i4, %o4
65
66linux_syscall_for_solaris:
67 sethi %hi(sys_call_table32), %l6
68 or %l6, %lo(sys_call_table32), %l6
69 sll %l3, 2, %l4
70 ba,pt %xcc, 10f
71 lduw [%l6 + %l4], %l3
72
73 /* Solaris system calls enter here... */
74 .align 32
75 .globl solaris_sparc_syscall, entry64_personality_patch
76solaris_sparc_syscall:
77entry64_personality_patch:
78 ldub [%g4 + 0x0], %l0
79 cmp %g1, 255
80 bg,pn %icc, solaris_unimplemented
81 srl %g1, 0, %g1
82 sethi %hi(solaris_sys_table), %l7
83 or %l7, %lo(solaris_sys_table), %l7
84 brz,pn %g1, solaris_sucks
85 mov %i4, %o4
86 sll %g1, 2, %l4
87 cmp %l0, 1
88 bne,pn %icc, solaris_reg
891: srl %i0, 0, %o0
90 lduw [%l7 + %l4], %l3
91 srl %i1, 0, %o1
92 ldx [%g6 + TI_FLAGS], %l5
93 cmp %l3, NR_SYSCALLS
94 bleu,a,pn %xcc, linux_syscall_for_solaris
95 nop
96 andcc %l3, 1, %g0
97 bne,a,pn %icc, 10f
98 add %sp, PTREGS_OFF, %o0
9910: srl %i2, 0, %o2
100 mov %i5, %o5
101 andn %l3, 3, %l7
102 andcc %l5, _TIF_SYSCALL_TRACE, %g0
103 bne,pn %icc, solaris_syscall_trace
104 mov %i0, %l5
1052: call %l7
106 srl %i3, 0, %o3
107ret_from_solaris:
108 stx %o0, [%sp + PTREGS_OFF + PT_V9_I0]
109 ldx [%g6 + TI_FLAGS], %l6
110 sra %o0, 0, %o0
111 mov %ulo(TSTATE_XCARRY | TSTATE_ICARRY), %g2
112 ldx [%sp + PTREGS_OFF + PT_V9_TSTATE], %g3
113 cmp %o0, -ERESTART_RESTARTBLOCK
114 sllx %g2, 32, %g2
115 bgeu,pn %xcc, 1f
116 andcc %l6, _TIF_SYSCALL_TRACE, %l6
117
118 /* System call success, clear Carry condition code. */
119 andn %g3, %g2, %g3
120 stx %g3, [%sp + PTREGS_OFF + PT_V9_TSTATE]
121 bne,pn %icc, solaris_syscall_trace2
122 ldx [%sp + PTREGS_OFF + PT_V9_TNPC], %l1
123 andcc %l1, 1, %g0
124 bne,pn %icc, 2f
125 clr %l6
126 add %l1, 0x4, %l2
127 stx %l1, [%sp + PTREGS_OFF + PT_V9_TPC] ! pc = npc
128 call rtrap
129 stx %l2, [%sp + PTREGS_OFF + PT_V9_TNPC] !npc = npc+4
130
131 /* When tnpc & 1, this comes from setcontext and we don't want to advance pc */
1322: andn %l1, 3, %l1
133 call rtrap
134 stx %l1, [%sp + PTREGS_OFF + PT_V9_TNPC] !npc = npc&~3
135
1361:
137 /* System call failure, set Carry condition code.
138 * Also, get abs(errno) to return to the process.
139 */
140 sub %g0, %o0, %o0
141 or %g3, %g2, %g3
142 cmp %o0, ERANGE /* 0-ERANGE are identity mapped */
143 bleu,pt %icc, 1f
144 cmp %o0, EMEDIUMTYPE
145 bgu,pn %icc, 1f
146 sethi %hi(solaris_err_table), %l6
147 sll %o0, 2, %o0
148 or %l6, %lo(solaris_err_table), %l6
149 ldsw [%l6 + %o0], %o0
1501: stx %o0, [%sp + PTREGS_OFF + PT_V9_I0]
151 mov 1, %l6
152 stx %g3, [%sp + PTREGS_OFF + PT_V9_TSTATE]
153 bne,pn %icc, solaris_syscall_trace2
154 ldx [%sp + PTREGS_OFF + PT_V9_TNPC], %l1
155 andcc %l1, 1, %g0
156 bne,pn %icc, 2b
157 add %l1, 0x4, %l2
158 stx %l1, [%sp + PTREGS_OFF + PT_V9_TPC] ! pc = npc
159 call rtrap
160 stx %l2, [%sp + PTREGS_OFF + PT_V9_TNPC] !npc = npc+4
161
162solaris_syscall_trace2:
163 add %sp, PTREGS_OFF, %o0
164 call syscall_trace
165 mov 1, %o1
166 add %l1, 0x4, %l2 /* npc = npc+4 */
167 andcc %l1, 1, %g0
168 bne,pn %icc, 2b
169 nop
170 stx %l1, [%sp + PTREGS_OFF + PT_V9_TPC]
171 call rtrap
172 stx %l2, [%sp + PTREGS_OFF + PT_V9_TNPC]
173
174 /* This one is tricky, so that's why we do it in assembly */
175 .globl solaris_sigsuspend
176solaris_sigsuspend:
177 call do_sol_sigsuspend
178 nop
179 brlz,pn %o0, ret_from_solaris
180 nop
181 call sys_sigsuspend
182 stx %o0, [%sp + PTREGS_OFF + PT_V9_I0]
183 b,pt %xcc, ret_from_solaris
184 nop
185
186 .globl solaris_getpid
187solaris_getpid:
188 call sys_getppid
189 nop
190 call sys_getpid
191 stx %o0, [%sp + PTREGS_OFF + PT_V9_I1]
192 b,pt %xcc, ret_from_solaris
193 nop
194
195 .globl solaris_getuid
196solaris_getuid:
197 call sys_geteuid
198 nop
199 call sys_getuid
200 stx %o1, [%sp + PTREGS_OFF + PT_V9_I1]
201 b,pt %xcc, ret_from_solaris
202 nop
203
204 .globl solaris_getgid
205solaris_getgid:
206 call sys_getegid
207 nop
208 call sys_getgid
209 stx %o1, [%sp + PTREGS_OFF + PT_V9_I1]
210 b,pt %xcc, ret_from_solaris
211 nop
212
213 .globl solaris_unimplemented
214solaris_unimplemented:
215 call do_sol_unimplemented
216 add %sp, PTREGS_OFF, %o0
217 ba,pt %xcc, ret_from_solaris
218 nop
219
220 .section __ex_table,"a"
221 .align 4
222 .word exen, exenf
223
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-25 19:28:58 -0400