diff options
Diffstat (limited to 'arch/s390')
-rw-r--r-- | arch/s390/kernel/compat_wrapper.S | 442 | ||||
-rw-r--r-- | arch/s390/kernel/entry.S | 469 | ||||
-rw-r--r-- | arch/s390/kernel/entry64.S | 443 | ||||
-rw-r--r-- | arch/s390/kernel/head.S | 624 | ||||
-rw-r--r-- | arch/s390/kernel/head64.S | 432 | ||||
-rw-r--r-- | arch/s390/kernel/reipl.S | 75 | ||||
-rw-r--r-- | arch/s390/kernel/reipl64.S | 93 | ||||
-rw-r--r-- | arch/s390/kernel/relocate_kernel.S | 74 | ||||
-rw-r--r-- | arch/s390/kernel/relocate_kernel64.S | 82 |
9 files changed, 1364 insertions, 1370 deletions
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S index 4d53b2739357..4aabeeaa7cf7 100644 --- a/arch/s390/kernel/compat_wrapper.S +++ b/arch/s390/kernel/compat_wrapper.S | |||
@@ -4,97 +4,97 @@ | |||
4 | * | 4 | * |
5 | * Copyright (C) IBM Corp. 2000,2006 | 5 | * Copyright (C) IBM Corp. 2000,2006 |
6 | * Author(s): Gerhard Tonn (ton@de.ibm.com), | 6 | * Author(s): Gerhard Tonn (ton@de.ibm.com), |
7 | * Thomas Spatzier (tspat@de.ibm.com) | 7 | * Thomas Spatzier (tspat@de.ibm.com) |
8 | */ | 8 | */ |
9 | 9 | ||
10 | .globl sys32_exit_wrapper | 10 | .globl sys32_exit_wrapper |
11 | sys32_exit_wrapper: | 11 | sys32_exit_wrapper: |
12 | lgfr %r2,%r2 # int | 12 | lgfr %r2,%r2 # int |
13 | jg sys_exit # branch to sys_exit | 13 | jg sys_exit # branch to sys_exit |
14 | 14 | ||
15 | .globl sys32_read_wrapper | 15 | .globl sys32_read_wrapper |
16 | sys32_read_wrapper: | 16 | sys32_read_wrapper: |
17 | llgfr %r2,%r2 # unsigned int | 17 | llgfr %r2,%r2 # unsigned int |
18 | llgtr %r3,%r3 # char * | 18 | llgtr %r3,%r3 # char * |
19 | llgfr %r4,%r4 # size_t | 19 | llgfr %r4,%r4 # size_t |
20 | jg sys32_read # branch to sys_read | 20 | jg sys32_read # branch to sys_read |
21 | 21 | ||
22 | .globl sys32_write_wrapper | 22 | .globl sys32_write_wrapper |
23 | sys32_write_wrapper: | 23 | sys32_write_wrapper: |
24 | llgfr %r2,%r2 # unsigned int | 24 | llgfr %r2,%r2 # unsigned int |
25 | llgtr %r3,%r3 # const char * | 25 | llgtr %r3,%r3 # const char * |
26 | llgfr %r4,%r4 # size_t | 26 | llgfr %r4,%r4 # size_t |
27 | jg sys32_write # branch to system call | 27 | jg sys32_write # branch to system call |
28 | 28 | ||
29 | .globl sys32_open_wrapper | 29 | .globl sys32_open_wrapper |
30 | sys32_open_wrapper: | 30 | sys32_open_wrapper: |
31 | llgtr %r2,%r2 # const char * | 31 | llgtr %r2,%r2 # const char * |
32 | lgfr %r3,%r3 # int | 32 | lgfr %r3,%r3 # int |
33 | lgfr %r4,%r4 # int | 33 | lgfr %r4,%r4 # int |
34 | jg sys_open # branch to system call | 34 | jg sys_open # branch to system call |
35 | 35 | ||
36 | .globl sys32_close_wrapper | 36 | .globl sys32_close_wrapper |
37 | sys32_close_wrapper: | 37 | sys32_close_wrapper: |
38 | llgfr %r2,%r2 # unsigned int | 38 | llgfr %r2,%r2 # unsigned int |
39 | jg sys_close # branch to system call | 39 | jg sys_close # branch to system call |
40 | 40 | ||
41 | .globl sys32_creat_wrapper | 41 | .globl sys32_creat_wrapper |
42 | sys32_creat_wrapper: | 42 | sys32_creat_wrapper: |
43 | llgtr %r2,%r2 # const char * | 43 | llgtr %r2,%r2 # const char * |
44 | lgfr %r3,%r3 # int | 44 | lgfr %r3,%r3 # int |
45 | jg sys_creat # branch to system call | 45 | jg sys_creat # branch to system call |
46 | 46 | ||
47 | .globl sys32_link_wrapper | 47 | .globl sys32_link_wrapper |
48 | sys32_link_wrapper: | 48 | sys32_link_wrapper: |
49 | llgtr %r2,%r2 # const char * | 49 | llgtr %r2,%r2 # const char * |
50 | llgtr %r3,%r3 # const char * | 50 | llgtr %r3,%r3 # const char * |
51 | jg sys_link # branch to system call | 51 | jg sys_link # branch to system call |
52 | 52 | ||
53 | .globl sys32_unlink_wrapper | 53 | .globl sys32_unlink_wrapper |
54 | sys32_unlink_wrapper: | 54 | sys32_unlink_wrapper: |
55 | llgtr %r2,%r2 # const char * | 55 | llgtr %r2,%r2 # const char * |
56 | jg sys_unlink # branch to system call | 56 | jg sys_unlink # branch to system call |
57 | 57 | ||
58 | .globl sys32_chdir_wrapper | 58 | .globl sys32_chdir_wrapper |
59 | sys32_chdir_wrapper: | 59 | sys32_chdir_wrapper: |
60 | llgtr %r2,%r2 # const char * | 60 | llgtr %r2,%r2 # const char * |
61 | jg sys_chdir # branch to system call | 61 | jg sys_chdir # branch to system call |
62 | 62 | ||
63 | .globl sys32_time_wrapper | 63 | .globl sys32_time_wrapper |
64 | sys32_time_wrapper: | 64 | sys32_time_wrapper: |
65 | llgtr %r2,%r2 # int * | 65 | llgtr %r2,%r2 # int * |
66 | jg compat_sys_time # branch to system call | 66 | jg compat_sys_time # branch to system call |
67 | 67 | ||
68 | .globl sys32_mknod_wrapper | 68 | .globl sys32_mknod_wrapper |
69 | sys32_mknod_wrapper: | 69 | sys32_mknod_wrapper: |
70 | llgtr %r2,%r2 # const char * | 70 | llgtr %r2,%r2 # const char * |
71 | lgfr %r3,%r3 # int | 71 | lgfr %r3,%r3 # int |
72 | llgfr %r4,%r4 # dev | 72 | llgfr %r4,%r4 # dev |
73 | jg sys_mknod # branch to system call | 73 | jg sys_mknod # branch to system call |
74 | 74 | ||
75 | .globl sys32_chmod_wrapper | 75 | .globl sys32_chmod_wrapper |
76 | sys32_chmod_wrapper: | 76 | sys32_chmod_wrapper: |
77 | llgtr %r2,%r2 # const char * | 77 | llgtr %r2,%r2 # const char * |
78 | llgfr %r3,%r3 # mode_t | 78 | llgfr %r3,%r3 # mode_t |
79 | jg sys_chmod # branch to system call | 79 | jg sys_chmod # branch to system call |
80 | 80 | ||
81 | .globl sys32_lchown16_wrapper | 81 | .globl sys32_lchown16_wrapper |
82 | sys32_lchown16_wrapper: | 82 | sys32_lchown16_wrapper: |
83 | llgtr %r2,%r2 # const char * | 83 | llgtr %r2,%r2 # const char * |
84 | llgfr %r3,%r3 # __kernel_old_uid_emu31_t | 84 | llgfr %r3,%r3 # __kernel_old_uid_emu31_t |
85 | llgfr %r4,%r4 # __kernel_old_uid_emu31_t | 85 | llgfr %r4,%r4 # __kernel_old_uid_emu31_t |
86 | jg sys32_lchown16 # branch to system call | 86 | jg sys32_lchown16 # branch to system call |
87 | 87 | ||
88 | .globl sys32_lseek_wrapper | 88 | .globl sys32_lseek_wrapper |
89 | sys32_lseek_wrapper: | 89 | sys32_lseek_wrapper: |
90 | llgfr %r2,%r2 # unsigned int | 90 | llgfr %r2,%r2 # unsigned int |
91 | lgfr %r3,%r3 # off_t | 91 | lgfr %r3,%r3 # off_t |
92 | llgfr %r4,%r4 # unsigned int | 92 | llgfr %r4,%r4 # unsigned int |
93 | jg sys_lseek # branch to system call | 93 | jg sys_lseek # branch to system call |
94 | 94 | ||
95 | #sys32_getpid_wrapper # void | 95 | #sys32_getpid_wrapper # void |
96 | 96 | ||
97 | .globl sys32_mount_wrapper | 97 | .globl sys32_mount_wrapper |
98 | sys32_mount_wrapper: | 98 | sys32_mount_wrapper: |
99 | llgtr %r2,%r2 # char * | 99 | llgtr %r2,%r2 # char * |
100 | llgtr %r3,%r3 # char * | 100 | llgtr %r3,%r3 # char * |
@@ -103,19 +103,19 @@ sys32_mount_wrapper: | |||
103 | llgtr %r6,%r6 # void * | 103 | llgtr %r6,%r6 # void * |
104 | jg compat_sys_mount # branch to system call | 104 | jg compat_sys_mount # branch to system call |
105 | 105 | ||
106 | .globl sys32_oldumount_wrapper | 106 | .globl sys32_oldumount_wrapper |
107 | sys32_oldumount_wrapper: | 107 | sys32_oldumount_wrapper: |
108 | llgtr %r2,%r2 # char * | 108 | llgtr %r2,%r2 # char * |
109 | jg sys_oldumount # branch to system call | 109 | jg sys_oldumount # branch to system call |
110 | 110 | ||
111 | .globl sys32_setuid16_wrapper | 111 | .globl sys32_setuid16_wrapper |
112 | sys32_setuid16_wrapper: | 112 | sys32_setuid16_wrapper: |
113 | llgfr %r2,%r2 # __kernel_old_uid_emu31_t | 113 | llgfr %r2,%r2 # __kernel_old_uid_emu31_t |
114 | jg sys32_setuid16 # branch to system call | 114 | jg sys32_setuid16 # branch to system call |
115 | 115 | ||
116 | #sys32_getuid16_wrapper # void | 116 | #sys32_getuid16_wrapper # void |
117 | 117 | ||
118 | .globl sys32_ptrace_wrapper | 118 | .globl sys32_ptrace_wrapper |
119 | sys32_ptrace_wrapper: | 119 | sys32_ptrace_wrapper: |
120 | lgfr %r2,%r2 # long | 120 | lgfr %r2,%r2 # long |
121 | lgfr %r3,%r3 # long | 121 | lgfr %r3,%r3 # long |
@@ -123,168 +123,168 @@ sys32_ptrace_wrapper: | |||
123 | llgfr %r5,%r5 # long | 123 | llgfr %r5,%r5 # long |
124 | jg sys_ptrace # branch to system call | 124 | jg sys_ptrace # branch to system call |
125 | 125 | ||
126 | .globl sys32_alarm_wrapper | 126 | .globl sys32_alarm_wrapper |
127 | sys32_alarm_wrapper: | 127 | sys32_alarm_wrapper: |
128 | llgfr %r2,%r2 # unsigned int | 128 | llgfr %r2,%r2 # unsigned int |
129 | jg sys_alarm # branch to system call | 129 | jg sys_alarm # branch to system call |
130 | 130 | ||
131 | #sys32_pause_wrapper # void | 131 | #sys32_pause_wrapper # void |
132 | 132 | ||
133 | .globl compat_sys_utime_wrapper | 133 | .globl compat_sys_utime_wrapper |
134 | compat_sys_utime_wrapper: | 134 | compat_sys_utime_wrapper: |
135 | llgtr %r2,%r2 # char * | 135 | llgtr %r2,%r2 # char * |
136 | llgtr %r3,%r3 # struct compat_utimbuf * | 136 | llgtr %r3,%r3 # struct compat_utimbuf * |
137 | jg compat_sys_utime # branch to system call | 137 | jg compat_sys_utime # branch to system call |
138 | 138 | ||
139 | .globl sys32_access_wrapper | 139 | .globl sys32_access_wrapper |
140 | sys32_access_wrapper: | 140 | sys32_access_wrapper: |
141 | llgtr %r2,%r2 # const char * | 141 | llgtr %r2,%r2 # const char * |
142 | lgfr %r3,%r3 # int | 142 | lgfr %r3,%r3 # int |
143 | jg sys_access # branch to system call | 143 | jg sys_access # branch to system call |
144 | 144 | ||
145 | .globl sys32_nice_wrapper | 145 | .globl sys32_nice_wrapper |
146 | sys32_nice_wrapper: | 146 | sys32_nice_wrapper: |
147 | lgfr %r2,%r2 # int | 147 | lgfr %r2,%r2 # int |
148 | jg sys_nice # branch to system call | 148 | jg sys_nice # branch to system call |
149 | 149 | ||
150 | #sys32_sync_wrapper # void | 150 | #sys32_sync_wrapper # void |
151 | 151 | ||
152 | .globl sys32_kill_wrapper | 152 | .globl sys32_kill_wrapper |
153 | sys32_kill_wrapper: | 153 | sys32_kill_wrapper: |
154 | lgfr %r2,%r2 # int | 154 | lgfr %r2,%r2 # int |
155 | lgfr %r3,%r3 # int | 155 | lgfr %r3,%r3 # int |
156 | jg sys_kill # branch to system call | 156 | jg sys_kill # branch to system call |
157 | 157 | ||
158 | .globl sys32_rename_wrapper | 158 | .globl sys32_rename_wrapper |
159 | sys32_rename_wrapper: | 159 | sys32_rename_wrapper: |
160 | llgtr %r2,%r2 # const char * | 160 | llgtr %r2,%r2 # const char * |
161 | llgtr %r3,%r3 # const char * | 161 | llgtr %r3,%r3 # const char * |
162 | jg sys_rename # branch to system call | 162 | jg sys_rename # branch to system call |
163 | 163 | ||
164 | .globl sys32_mkdir_wrapper | 164 | .globl sys32_mkdir_wrapper |
165 | sys32_mkdir_wrapper: | 165 | sys32_mkdir_wrapper: |
166 | llgtr %r2,%r2 # const char * | 166 | llgtr %r2,%r2 # const char * |
167 | lgfr %r3,%r3 # int | 167 | lgfr %r3,%r3 # int |
168 | jg sys_mkdir # branch to system call | 168 | jg sys_mkdir # branch to system call |
169 | 169 | ||
170 | .globl sys32_rmdir_wrapper | 170 | .globl sys32_rmdir_wrapper |
171 | sys32_rmdir_wrapper: | 171 | sys32_rmdir_wrapper: |
172 | llgtr %r2,%r2 # const char * | 172 | llgtr %r2,%r2 # const char * |
173 | jg sys_rmdir # branch to system call | 173 | jg sys_rmdir # branch to system call |
174 | 174 | ||
175 | .globl sys32_dup_wrapper | 175 | .globl sys32_dup_wrapper |
176 | sys32_dup_wrapper: | 176 | sys32_dup_wrapper: |
177 | llgfr %r2,%r2 # unsigned int | 177 | llgfr %r2,%r2 # unsigned int |
178 | jg sys_dup # branch to system call | 178 | jg sys_dup # branch to system call |
179 | 179 | ||
180 | .globl sys32_pipe_wrapper | 180 | .globl sys32_pipe_wrapper |
181 | sys32_pipe_wrapper: | 181 | sys32_pipe_wrapper: |
182 | llgtr %r2,%r2 # u32 * | 182 | llgtr %r2,%r2 # u32 * |
183 | jg sys_pipe # branch to system call | 183 | jg sys_pipe # branch to system call |
184 | 184 | ||
185 | .globl compat_sys_times_wrapper | 185 | .globl compat_sys_times_wrapper |
186 | compat_sys_times_wrapper: | 186 | compat_sys_times_wrapper: |
187 | llgtr %r2,%r2 # struct compat_tms * | 187 | llgtr %r2,%r2 # struct compat_tms * |
188 | jg compat_sys_times # branch to system call | 188 | jg compat_sys_times # branch to system call |
189 | 189 | ||
190 | .globl sys32_brk_wrapper | 190 | .globl sys32_brk_wrapper |
191 | sys32_brk_wrapper: | 191 | sys32_brk_wrapper: |
192 | llgtr %r2,%r2 # unsigned long | 192 | llgtr %r2,%r2 # unsigned long |
193 | jg sys_brk # branch to system call | 193 | jg sys_brk # branch to system call |
194 | 194 | ||
195 | .globl sys32_setgid16_wrapper | 195 | .globl sys32_setgid16_wrapper |
196 | sys32_setgid16_wrapper: | 196 | sys32_setgid16_wrapper: |
197 | llgfr %r2,%r2 # __kernel_old_gid_emu31_t | 197 | llgfr %r2,%r2 # __kernel_old_gid_emu31_t |
198 | jg sys32_setgid16 # branch to system call | 198 | jg sys32_setgid16 # branch to system call |
199 | 199 | ||
200 | #sys32_getgid16_wrapper # void | 200 | #sys32_getgid16_wrapper # void |
201 | 201 | ||
202 | .globl sys32_signal_wrapper | 202 | .globl sys32_signal_wrapper |
203 | sys32_signal_wrapper: | 203 | sys32_signal_wrapper: |
204 | lgfr %r2,%r2 # int | 204 | lgfr %r2,%r2 # int |
205 | llgtr %r3,%r3 # __sighandler_t | 205 | llgtr %r3,%r3 # __sighandler_t |
206 | jg sys_signal | 206 | jg sys_signal |
207 | 207 | ||
208 | #sys32_geteuid16_wrapper # void | 208 | #sys32_geteuid16_wrapper # void |
209 | 209 | ||
210 | #sys32_getegid16_wrapper # void | 210 | #sys32_getegid16_wrapper # void |
211 | 211 | ||
212 | .globl sys32_acct_wrapper | 212 | .globl sys32_acct_wrapper |
213 | sys32_acct_wrapper: | 213 | sys32_acct_wrapper: |
214 | llgtr %r2,%r2 # char * | 214 | llgtr %r2,%r2 # char * |
215 | jg sys_acct # branch to system call | 215 | jg sys_acct # branch to system call |
216 | 216 | ||
217 | .globl sys32_umount_wrapper | 217 | .globl sys32_umount_wrapper |
218 | sys32_umount_wrapper: | 218 | sys32_umount_wrapper: |
219 | llgtr %r2,%r2 # char * | 219 | llgtr %r2,%r2 # char * |
220 | lgfr %r3,%r3 # int | 220 | lgfr %r3,%r3 # int |
221 | jg sys_umount # branch to system call | 221 | jg sys_umount # branch to system call |
222 | 222 | ||
223 | .globl compat_sys_ioctl_wrapper | 223 | .globl compat_sys_ioctl_wrapper |
224 | compat_sys_ioctl_wrapper: | 224 | compat_sys_ioctl_wrapper: |
225 | llgfr %r2,%r2 # unsigned int | 225 | llgfr %r2,%r2 # unsigned int |
226 | llgfr %r3,%r3 # unsigned int | 226 | llgfr %r3,%r3 # unsigned int |
227 | llgfr %r4,%r4 # unsigned int | 227 | llgfr %r4,%r4 # unsigned int |
228 | jg compat_sys_ioctl # branch to system call | 228 | jg compat_sys_ioctl # branch to system call |
229 | 229 | ||
230 | .globl compat_sys_fcntl_wrapper | 230 | .globl compat_sys_fcntl_wrapper |
231 | compat_sys_fcntl_wrapper: | 231 | compat_sys_fcntl_wrapper: |
232 | llgfr %r2,%r2 # unsigned int | 232 | llgfr %r2,%r2 # unsigned int |
233 | llgfr %r3,%r3 # unsigned int | 233 | llgfr %r3,%r3 # unsigned int |
234 | llgfr %r4,%r4 # unsigned long | 234 | llgfr %r4,%r4 # unsigned long |
235 | jg compat_sys_fcntl # branch to system call | 235 | jg compat_sys_fcntl # branch to system call |
236 | 236 | ||
237 | .globl sys32_setpgid_wrapper | 237 | .globl sys32_setpgid_wrapper |
238 | sys32_setpgid_wrapper: | 238 | sys32_setpgid_wrapper: |
239 | lgfr %r2,%r2 # pid_t | 239 | lgfr %r2,%r2 # pid_t |
240 | lgfr %r3,%r3 # pid_t | 240 | lgfr %r3,%r3 # pid_t |
241 | jg sys_setpgid # branch to system call | 241 | jg sys_setpgid # branch to system call |
242 | 242 | ||
243 | .globl sys32_umask_wrapper | 243 | .globl sys32_umask_wrapper |
244 | sys32_umask_wrapper: | 244 | sys32_umask_wrapper: |
245 | lgfr %r2,%r2 # int | 245 | lgfr %r2,%r2 # int |
246 | jg sys_umask # branch to system call | 246 | jg sys_umask # branch to system call |
247 | 247 | ||
248 | .globl sys32_chroot_wrapper | 248 | .globl sys32_chroot_wrapper |
249 | sys32_chroot_wrapper: | 249 | sys32_chroot_wrapper: |
250 | llgtr %r2,%r2 # char * | 250 | llgtr %r2,%r2 # char * |
251 | jg sys_chroot # branch to system call | 251 | jg sys_chroot # branch to system call |
252 | 252 | ||
253 | .globl sys32_ustat_wrapper | 253 | .globl sys32_ustat_wrapper |
254 | sys32_ustat_wrapper: | 254 | sys32_ustat_wrapper: |
255 | llgfr %r2,%r2 # dev_t | 255 | llgfr %r2,%r2 # dev_t |
256 | llgtr %r3,%r3 # struct ustat * | 256 | llgtr %r3,%r3 # struct ustat * |
257 | jg sys_ustat | 257 | jg sys_ustat |
258 | 258 | ||
259 | .globl sys32_dup2_wrapper | 259 | .globl sys32_dup2_wrapper |
260 | sys32_dup2_wrapper: | 260 | sys32_dup2_wrapper: |
261 | llgfr %r2,%r2 # unsigned int | 261 | llgfr %r2,%r2 # unsigned int |
262 | llgfr %r3,%r3 # unsigned int | 262 | llgfr %r3,%r3 # unsigned int |
263 | jg sys_dup2 # branch to system call | 263 | jg sys_dup2 # branch to system call |
264 | 264 | ||
265 | #sys32_getppid_wrapper # void | 265 | #sys32_getppid_wrapper # void |
266 | 266 | ||
267 | #sys32_getpgrp_wrapper # void | 267 | #sys32_getpgrp_wrapper # void |
268 | 268 | ||
269 | #sys32_setsid_wrapper # void | 269 | #sys32_setsid_wrapper # void |
270 | 270 | ||
271 | .globl sys32_sigaction_wrapper | 271 | .globl sys32_sigaction_wrapper |
272 | sys32_sigaction_wrapper: | 272 | sys32_sigaction_wrapper: |
273 | lgfr %r2,%r2 # int | 273 | lgfr %r2,%r2 # int |
274 | llgtr %r3,%r3 # const struct old_sigaction * | 274 | llgtr %r3,%r3 # const struct old_sigaction * |
275 | llgtr %r4,%r4 # struct old_sigaction32 * | 275 | llgtr %r4,%r4 # struct old_sigaction32 * |
276 | jg sys32_sigaction # branch to system call | 276 | jg sys32_sigaction # branch to system call |
277 | 277 | ||
278 | .globl sys32_setreuid16_wrapper | 278 | .globl sys32_setreuid16_wrapper |
279 | sys32_setreuid16_wrapper: | 279 | sys32_setreuid16_wrapper: |
280 | llgfr %r2,%r2 # __kernel_old_uid_emu31_t | 280 | llgfr %r2,%r2 # __kernel_old_uid_emu31_t |
281 | llgfr %r3,%r3 # __kernel_old_uid_emu31_t | 281 | llgfr %r3,%r3 # __kernel_old_uid_emu31_t |
282 | jg sys32_setreuid16 # branch to system call | 282 | jg sys32_setreuid16 # branch to system call |
283 | 283 | ||
284 | .globl sys32_setregid16_wrapper | 284 | .globl sys32_setregid16_wrapper |
285 | sys32_setregid16_wrapper: | 285 | sys32_setregid16_wrapper: |
286 | llgfr %r2,%r2 # __kernel_old_gid_emu31_t | 286 | llgfr %r2,%r2 # __kernel_old_gid_emu31_t |
287 | llgfr %r3,%r3 # __kernel_old_gid_emu31_t | 287 | llgfr %r3,%r3 # __kernel_old_gid_emu31_t |
288 | jg sys32_setregid16 # branch to system call | 288 | jg sys32_setregid16 # branch to system call |
289 | 289 | ||
290 | .globl sys_sigsuspend_wrapper | 290 | .globl sys_sigsuspend_wrapper |
@@ -294,95 +294,95 @@ sys_sigsuspend_wrapper: | |||
294 | llgfr %r4,%r4 # old_sigset_t | 294 | llgfr %r4,%r4 # old_sigset_t |
295 | jg sys_sigsuspend | 295 | jg sys_sigsuspend |
296 | 296 | ||
297 | .globl compat_sys_sigpending_wrapper | 297 | .globl compat_sys_sigpending_wrapper |
298 | compat_sys_sigpending_wrapper: | 298 | compat_sys_sigpending_wrapper: |
299 | llgtr %r2,%r2 # compat_old_sigset_t * | 299 | llgtr %r2,%r2 # compat_old_sigset_t * |
300 | jg compat_sys_sigpending # branch to system call | 300 | jg compat_sys_sigpending # branch to system call |
301 | 301 | ||
302 | .globl sys32_sethostname_wrapper | 302 | .globl sys32_sethostname_wrapper |
303 | sys32_sethostname_wrapper: | 303 | sys32_sethostname_wrapper: |
304 | llgtr %r2,%r2 # char * | 304 | llgtr %r2,%r2 # char * |
305 | lgfr %r3,%r3 # int | 305 | lgfr %r3,%r3 # int |
306 | jg sys_sethostname # branch to system call | 306 | jg sys_sethostname # branch to system call |
307 | 307 | ||
308 | .globl compat_sys_setrlimit_wrapper | 308 | .globl compat_sys_setrlimit_wrapper |
309 | compat_sys_setrlimit_wrapper: | 309 | compat_sys_setrlimit_wrapper: |
310 | llgfr %r2,%r2 # unsigned int | 310 | llgfr %r2,%r2 # unsigned int |
311 | llgtr %r3,%r3 # struct rlimit_emu31 * | 311 | llgtr %r3,%r3 # struct rlimit_emu31 * |
312 | jg compat_sys_setrlimit # branch to system call | 312 | jg compat_sys_setrlimit # branch to system call |
313 | 313 | ||
314 | .globl compat_sys_old_getrlimit_wrapper | 314 | .globl compat_sys_old_getrlimit_wrapper |
315 | compat_sys_old_getrlimit_wrapper: | 315 | compat_sys_old_getrlimit_wrapper: |
316 | llgfr %r2,%r2 # unsigned int | 316 | llgfr %r2,%r2 # unsigned int |
317 | llgtr %r3,%r3 # struct rlimit_emu31 * | 317 | llgtr %r3,%r3 # struct rlimit_emu31 * |
318 | jg compat_sys_old_getrlimit # branch to system call | 318 | jg compat_sys_old_getrlimit # branch to system call |
319 | 319 | ||
320 | .globl compat_sys_getrlimit_wrapper | 320 | .globl compat_sys_getrlimit_wrapper |
321 | compat_sys_getrlimit_wrapper: | 321 | compat_sys_getrlimit_wrapper: |
322 | llgfr %r2,%r2 # unsigned int | 322 | llgfr %r2,%r2 # unsigned int |
323 | llgtr %r3,%r3 # struct rlimit_emu31 * | 323 | llgtr %r3,%r3 # struct rlimit_emu31 * |
324 | jg compat_sys_getrlimit # branch to system call | 324 | jg compat_sys_getrlimit # branch to system call |
325 | 325 | ||
326 | .globl sys32_mmap2_wrapper | 326 | .globl sys32_mmap2_wrapper |
327 | sys32_mmap2_wrapper: | 327 | sys32_mmap2_wrapper: |
328 | llgtr %r2,%r2 # struct mmap_arg_struct_emu31 * | 328 | llgtr %r2,%r2 # struct mmap_arg_struct_emu31 * |
329 | jg sys32_mmap2 # branch to system call | 329 | jg sys32_mmap2 # branch to system call |
330 | 330 | ||
331 | .globl compat_sys_getrusage_wrapper | 331 | .globl compat_sys_getrusage_wrapper |
332 | compat_sys_getrusage_wrapper: | 332 | compat_sys_getrusage_wrapper: |
333 | lgfr %r2,%r2 # int | 333 | lgfr %r2,%r2 # int |
334 | llgtr %r3,%r3 # struct rusage_emu31 * | 334 | llgtr %r3,%r3 # struct rusage_emu31 * |
335 | jg compat_sys_getrusage # branch to system call | 335 | jg compat_sys_getrusage # branch to system call |
336 | 336 | ||
337 | .globl sys32_gettimeofday_wrapper | 337 | .globl sys32_gettimeofday_wrapper |
338 | sys32_gettimeofday_wrapper: | 338 | sys32_gettimeofday_wrapper: |
339 | llgtr %r2,%r2 # struct timeval_emu31 * | 339 | llgtr %r2,%r2 # struct timeval_emu31 * |
340 | llgtr %r3,%r3 # struct timezone * | 340 | llgtr %r3,%r3 # struct timezone * |
341 | jg sys32_gettimeofday # branch to system call | 341 | jg sys32_gettimeofday # branch to system call |
342 | 342 | ||
343 | .globl sys32_settimeofday_wrapper | 343 | .globl sys32_settimeofday_wrapper |
344 | sys32_settimeofday_wrapper: | 344 | sys32_settimeofday_wrapper: |
345 | llgtr %r2,%r2 # struct timeval_emu31 * | 345 | llgtr %r2,%r2 # struct timeval_emu31 * |
346 | llgtr %r3,%r3 # struct timezone * | 346 | llgtr %r3,%r3 # struct timezone * |
347 | jg sys32_settimeofday # branch to system call | 347 | jg sys32_settimeofday # branch to system call |
348 | 348 | ||
349 | .globl sys32_getgroups16_wrapper | 349 | .globl sys32_getgroups16_wrapper |
350 | sys32_getgroups16_wrapper: | 350 | sys32_getgroups16_wrapper: |
351 | lgfr %r2,%r2 # int | 351 | lgfr %r2,%r2 # int |
352 | llgtr %r3,%r3 # __kernel_old_gid_emu31_t * | 352 | llgtr %r3,%r3 # __kernel_old_gid_emu31_t * |
353 | jg sys32_getgroups16 # branch to system call | 353 | jg sys32_getgroups16 # branch to system call |
354 | 354 | ||
355 | .globl sys32_setgroups16_wrapper | 355 | .globl sys32_setgroups16_wrapper |
356 | sys32_setgroups16_wrapper: | 356 | sys32_setgroups16_wrapper: |
357 | lgfr %r2,%r2 # int | 357 | lgfr %r2,%r2 # int |
358 | llgtr %r3,%r3 # __kernel_old_gid_emu31_t * | 358 | llgtr %r3,%r3 # __kernel_old_gid_emu31_t * |
359 | jg sys32_setgroups16 # branch to system call | 359 | jg sys32_setgroups16 # branch to system call |
360 | 360 | ||
361 | .globl sys32_symlink_wrapper | 361 | .globl sys32_symlink_wrapper |
362 | sys32_symlink_wrapper: | 362 | sys32_symlink_wrapper: |
363 | llgtr %r2,%r2 # const char * | 363 | llgtr %r2,%r2 # const char * |
364 | llgtr %r3,%r3 # const char * | 364 | llgtr %r3,%r3 # const char * |
365 | jg sys_symlink # branch to system call | 365 | jg sys_symlink # branch to system call |
366 | 366 | ||
367 | .globl sys32_readlink_wrapper | 367 | .globl sys32_readlink_wrapper |
368 | sys32_readlink_wrapper: | 368 | sys32_readlink_wrapper: |
369 | llgtr %r2,%r2 # const char * | 369 | llgtr %r2,%r2 # const char * |
370 | llgtr %r3,%r3 # char * | 370 | llgtr %r3,%r3 # char * |
371 | lgfr %r4,%r4 # int | 371 | lgfr %r4,%r4 # int |
372 | jg sys_readlink # branch to system call | 372 | jg sys_readlink # branch to system call |
373 | 373 | ||
374 | .globl sys32_uselib_wrapper | 374 | .globl sys32_uselib_wrapper |
375 | sys32_uselib_wrapper: | 375 | sys32_uselib_wrapper: |
376 | llgtr %r2,%r2 # const char * | 376 | llgtr %r2,%r2 # const char * |
377 | jg sys_uselib # branch to system call | 377 | jg sys_uselib # branch to system call |
378 | 378 | ||
379 | .globl sys32_swapon_wrapper | 379 | .globl sys32_swapon_wrapper |
380 | sys32_swapon_wrapper: | 380 | sys32_swapon_wrapper: |
381 | llgtr %r2,%r2 # const char * | 381 | llgtr %r2,%r2 # const char * |
382 | lgfr %r3,%r3 # int | 382 | lgfr %r3,%r3 # int |
383 | jg sys_swapon # branch to system call | 383 | jg sys_swapon # branch to system call |
384 | 384 | ||
385 | .globl sys32_reboot_wrapper | 385 | .globl sys32_reboot_wrapper |
386 | sys32_reboot_wrapper: | 386 | sys32_reboot_wrapper: |
387 | lgfr %r2,%r2 # int | 387 | lgfr %r2,%r2 # int |
388 | lgfr %r3,%r3 # int | 388 | lgfr %r3,%r3 # int |
@@ -390,121 +390,121 @@ sys32_reboot_wrapper: | |||
390 | llgtr %r5,%r5 # void * | 390 | llgtr %r5,%r5 # void * |
391 | jg sys_reboot # branch to system call | 391 | jg sys_reboot # branch to system call |
392 | 392 | ||
393 | .globl old32_readdir_wrapper | 393 | .globl old32_readdir_wrapper |
394 | old32_readdir_wrapper: | 394 | old32_readdir_wrapper: |
395 | llgfr %r2,%r2 # unsigned int | 395 | llgfr %r2,%r2 # unsigned int |
396 | llgtr %r3,%r3 # void * | 396 | llgtr %r3,%r3 # void * |
397 | llgfr %r4,%r4 # unsigned int | 397 | llgfr %r4,%r4 # unsigned int |
398 | jg compat_sys_old_readdir # branch to system call | 398 | jg compat_sys_old_readdir # branch to system call |
399 | 399 | ||
400 | .globl old32_mmap_wrapper | 400 | .globl old32_mmap_wrapper |
401 | old32_mmap_wrapper: | 401 | old32_mmap_wrapper: |
402 | llgtr %r2,%r2 # struct mmap_arg_struct_emu31 * | 402 | llgtr %r2,%r2 # struct mmap_arg_struct_emu31 * |
403 | jg old32_mmap # branch to system call | 403 | jg old32_mmap # branch to system call |
404 | 404 | ||
405 | .globl sys32_munmap_wrapper | 405 | .globl sys32_munmap_wrapper |
406 | sys32_munmap_wrapper: | 406 | sys32_munmap_wrapper: |
407 | llgfr %r2,%r2 # unsigned long | 407 | llgfr %r2,%r2 # unsigned long |
408 | llgfr %r3,%r3 # size_t | 408 | llgfr %r3,%r3 # size_t |
409 | jg sys_munmap # branch to system call | 409 | jg sys_munmap # branch to system call |
410 | 410 | ||
411 | .globl sys32_truncate_wrapper | 411 | .globl sys32_truncate_wrapper |
412 | sys32_truncate_wrapper: | 412 | sys32_truncate_wrapper: |
413 | llgtr %r2,%r2 # const char * | 413 | llgtr %r2,%r2 # const char * |
414 | llgfr %r3,%r3 # unsigned long | 414 | llgfr %r3,%r3 # unsigned long |
415 | jg sys_truncate # branch to system call | 415 | jg sys_truncate # branch to system call |
416 | 416 | ||
417 | .globl sys32_ftruncate_wrapper | 417 | .globl sys32_ftruncate_wrapper |
418 | sys32_ftruncate_wrapper: | 418 | sys32_ftruncate_wrapper: |
419 | llgfr %r2,%r2 # unsigned int | 419 | llgfr %r2,%r2 # unsigned int |
420 | llgfr %r3,%r3 # unsigned long | 420 | llgfr %r3,%r3 # unsigned long |
421 | jg sys_ftruncate # branch to system call | 421 | jg sys_ftruncate # branch to system call |
422 | 422 | ||
423 | .globl sys32_fchmod_wrapper | 423 | .globl sys32_fchmod_wrapper |
424 | sys32_fchmod_wrapper: | 424 | sys32_fchmod_wrapper: |
425 | llgfr %r2,%r2 # unsigned int | 425 | llgfr %r2,%r2 # unsigned int |
426 | llgfr %r3,%r3 # mode_t | 426 | llgfr %r3,%r3 # mode_t |
427 | jg sys_fchmod # branch to system call | 427 | jg sys_fchmod # branch to system call |
428 | 428 | ||
429 | .globl sys32_fchown16_wrapper | 429 | .globl sys32_fchown16_wrapper |
430 | sys32_fchown16_wrapper: | 430 | sys32_fchown16_wrapper: |
431 | llgfr %r2,%r2 # unsigned int | 431 | llgfr %r2,%r2 # unsigned int |
432 | llgfr %r3,%r3 # compat_uid_t | 432 | llgfr %r3,%r3 # compat_uid_t |
433 | llgfr %r4,%r4 # compat_uid_t | 433 | llgfr %r4,%r4 # compat_uid_t |
434 | jg sys32_fchown16 # branch to system call | 434 | jg sys32_fchown16 # branch to system call |
435 | 435 | ||
436 | .globl sys32_getpriority_wrapper | 436 | .globl sys32_getpriority_wrapper |
437 | sys32_getpriority_wrapper: | 437 | sys32_getpriority_wrapper: |
438 | lgfr %r2,%r2 # int | 438 | lgfr %r2,%r2 # int |
439 | lgfr %r3,%r3 # int | 439 | lgfr %r3,%r3 # int |
440 | jg sys_getpriority # branch to system call | 440 | jg sys_getpriority # branch to system call |
441 | 441 | ||
442 | .globl sys32_setpriority_wrapper | 442 | .globl sys32_setpriority_wrapper |
443 | sys32_setpriority_wrapper: | 443 | sys32_setpriority_wrapper: |
444 | lgfr %r2,%r2 # int | 444 | lgfr %r2,%r2 # int |
445 | lgfr %r3,%r3 # int | 445 | lgfr %r3,%r3 # int |
446 | lgfr %r4,%r4 # int | 446 | lgfr %r4,%r4 # int |
447 | jg sys_setpriority # branch to system call | 447 | jg sys_setpriority # branch to system call |
448 | 448 | ||
449 | .globl compat_sys_statfs_wrapper | 449 | .globl compat_sys_statfs_wrapper |
450 | compat_sys_statfs_wrapper: | 450 | compat_sys_statfs_wrapper: |
451 | llgtr %r2,%r2 # char * | 451 | llgtr %r2,%r2 # char * |
452 | llgtr %r3,%r3 # struct compat_statfs * | 452 | llgtr %r3,%r3 # struct compat_statfs * |
453 | jg compat_sys_statfs # branch to system call | 453 | jg compat_sys_statfs # branch to system call |
454 | 454 | ||
455 | .globl compat_sys_fstatfs_wrapper | 455 | .globl compat_sys_fstatfs_wrapper |
456 | compat_sys_fstatfs_wrapper: | 456 | compat_sys_fstatfs_wrapper: |
457 | llgfr %r2,%r2 # unsigned int | 457 | llgfr %r2,%r2 # unsigned int |
458 | llgtr %r3,%r3 # struct compat_statfs * | 458 | llgtr %r3,%r3 # struct compat_statfs * |
459 | jg compat_sys_fstatfs # branch to system call | 459 | jg compat_sys_fstatfs # branch to system call |
460 | 460 | ||
461 | .globl compat_sys_socketcall_wrapper | 461 | .globl compat_sys_socketcall_wrapper |
462 | compat_sys_socketcall_wrapper: | 462 | compat_sys_socketcall_wrapper: |
463 | lgfr %r2,%r2 # int | 463 | lgfr %r2,%r2 # int |
464 | llgtr %r3,%r3 # u32 * | 464 | llgtr %r3,%r3 # u32 * |
465 | jg compat_sys_socketcall # branch to system call | 465 | jg compat_sys_socketcall # branch to system call |
466 | 466 | ||
467 | .globl sys32_syslog_wrapper | 467 | .globl sys32_syslog_wrapper |
468 | sys32_syslog_wrapper: | 468 | sys32_syslog_wrapper: |
469 | lgfr %r2,%r2 # int | 469 | lgfr %r2,%r2 # int |
470 | llgtr %r3,%r3 # char * | 470 | llgtr %r3,%r3 # char * |
471 | lgfr %r4,%r4 # int | 471 | lgfr %r4,%r4 # int |
472 | jg sys_syslog # branch to system call | 472 | jg sys_syslog # branch to system call |
473 | 473 | ||
474 | .globl compat_sys_setitimer_wrapper | 474 | .globl compat_sys_setitimer_wrapper |
475 | compat_sys_setitimer_wrapper: | 475 | compat_sys_setitimer_wrapper: |
476 | lgfr %r2,%r2 # int | 476 | lgfr %r2,%r2 # int |
477 | llgtr %r3,%r3 # struct itimerval_emu31 * | 477 | llgtr %r3,%r3 # struct itimerval_emu31 * |
478 | llgtr %r4,%r4 # struct itimerval_emu31 * | 478 | llgtr %r4,%r4 # struct itimerval_emu31 * |
479 | jg compat_sys_setitimer # branch to system call | 479 | jg compat_sys_setitimer # branch to system call |
480 | 480 | ||
481 | .globl compat_sys_getitimer_wrapper | 481 | .globl compat_sys_getitimer_wrapper |
482 | compat_sys_getitimer_wrapper: | 482 | compat_sys_getitimer_wrapper: |
483 | lgfr %r2,%r2 # int | 483 | lgfr %r2,%r2 # int |
484 | llgtr %r3,%r3 # struct itimerval_emu31 * | 484 | llgtr %r3,%r3 # struct itimerval_emu31 * |
485 | jg compat_sys_getitimer # branch to system call | 485 | jg compat_sys_getitimer # branch to system call |
486 | 486 | ||
487 | .globl compat_sys_newstat_wrapper | 487 | .globl compat_sys_newstat_wrapper |
488 | compat_sys_newstat_wrapper: | 488 | compat_sys_newstat_wrapper: |
489 | llgtr %r2,%r2 # char * | 489 | llgtr %r2,%r2 # char * |
490 | llgtr %r3,%r3 # struct stat_emu31 * | 490 | llgtr %r3,%r3 # struct stat_emu31 * |
491 | jg compat_sys_newstat # branch to system call | 491 | jg compat_sys_newstat # branch to system call |
492 | 492 | ||
493 | .globl compat_sys_newlstat_wrapper | 493 | .globl compat_sys_newlstat_wrapper |
494 | compat_sys_newlstat_wrapper: | 494 | compat_sys_newlstat_wrapper: |
495 | llgtr %r2,%r2 # char * | 495 | llgtr %r2,%r2 # char * |
496 | llgtr %r3,%r3 # struct stat_emu31 * | 496 | llgtr %r3,%r3 # struct stat_emu31 * |
497 | jg compat_sys_newlstat # branch to system call | 497 | jg compat_sys_newlstat # branch to system call |
498 | 498 | ||
499 | .globl compat_sys_newfstat_wrapper | 499 | .globl compat_sys_newfstat_wrapper |
500 | compat_sys_newfstat_wrapper: | 500 | compat_sys_newfstat_wrapper: |
501 | llgfr %r2,%r2 # unsigned int | 501 | llgfr %r2,%r2 # unsigned int |
502 | llgtr %r3,%r3 # struct stat_emu31 * | 502 | llgtr %r3,%r3 # struct stat_emu31 * |
503 | jg compat_sys_newfstat # branch to system call | 503 | jg compat_sys_newfstat # branch to system call |
504 | 504 | ||
505 | #sys32_vhangup_wrapper # void | 505 | #sys32_vhangup_wrapper # void |
506 | 506 | ||
507 | .globl compat_sys_wait4_wrapper | 507 | .globl compat_sys_wait4_wrapper |
508 | compat_sys_wait4_wrapper: | 508 | compat_sys_wait4_wrapper: |
509 | lgfr %r2,%r2 # pid_t | 509 | lgfr %r2,%r2 # pid_t |
510 | llgtr %r3,%r3 # unsigned int * | 510 | llgtr %r3,%r3 # unsigned int * |
@@ -512,17 +512,17 @@ compat_sys_wait4_wrapper: | |||
512 | llgtr %r5,%r5 # struct rusage * | 512 | llgtr %r5,%r5 # struct rusage * |
513 | jg compat_sys_wait4 # branch to system call | 513 | jg compat_sys_wait4 # branch to system call |
514 | 514 | ||
515 | .globl sys32_swapoff_wrapper | 515 | .globl sys32_swapoff_wrapper |
516 | sys32_swapoff_wrapper: | 516 | sys32_swapoff_wrapper: |
517 | llgtr %r2,%r2 # const char * | 517 | llgtr %r2,%r2 # const char * |
518 | jg sys_swapoff # branch to system call | 518 | jg sys_swapoff # branch to system call |
519 | 519 | ||
520 | .globl sys32_sysinfo_wrapper | 520 | .globl sys32_sysinfo_wrapper |
521 | sys32_sysinfo_wrapper: | 521 | sys32_sysinfo_wrapper: |
522 | llgtr %r2,%r2 # struct sysinfo_emu31 * | 522 | llgtr %r2,%r2 # struct sysinfo_emu31 * |
523 | jg sys32_sysinfo # branch to system call | 523 | jg sys32_sysinfo # branch to system call |
524 | 524 | ||
525 | .globl sys32_ipc_wrapper | 525 | .globl sys32_ipc_wrapper |
526 | sys32_ipc_wrapper: | 526 | sys32_ipc_wrapper: |
527 | llgfr %r2,%r2 # uint | 527 | llgfr %r2,%r2 # uint |
528 | lgfr %r3,%r3 # int | 528 | lgfr %r3,%r3 # int |
@@ -531,59 +531,59 @@ sys32_ipc_wrapper: | |||
531 | llgfr %r6,%r6 # u32 | 531 | llgfr %r6,%r6 # u32 |
532 | jg sys32_ipc # branch to system call | 532 | jg sys32_ipc # branch to system call |
533 | 533 | ||
534 | .globl sys32_fsync_wrapper | 534 | .globl sys32_fsync_wrapper |
535 | sys32_fsync_wrapper: | 535 | sys32_fsync_wrapper: |
536 | llgfr %r2,%r2 # unsigned int | 536 | llgfr %r2,%r2 # unsigned int |
537 | jg sys_fsync # branch to system call | 537 | jg sys_fsync # branch to system call |
538 | 538 | ||
539 | #sys32_sigreturn_wrapper # done in sigreturn_glue | 539 | #sys32_sigreturn_wrapper # done in sigreturn_glue |
540 | 540 | ||
541 | #sys32_clone_wrapper # done in clone_glue | 541 | #sys32_clone_wrapper # done in clone_glue |
542 | 542 | ||
543 | .globl sys32_setdomainname_wrapper | 543 | .globl sys32_setdomainname_wrapper |
544 | sys32_setdomainname_wrapper: | 544 | sys32_setdomainname_wrapper: |
545 | llgtr %r2,%r2 # char * | 545 | llgtr %r2,%r2 # char * |
546 | lgfr %r3,%r3 # int | 546 | lgfr %r3,%r3 # int |
547 | jg sys_setdomainname # branch to system call | 547 | jg sys_setdomainname # branch to system call |
548 | 548 | ||
549 | .globl sys32_newuname_wrapper | 549 | .globl sys32_newuname_wrapper |
550 | sys32_newuname_wrapper: | 550 | sys32_newuname_wrapper: |
551 | llgtr %r2,%r2 # struct new_utsname * | 551 | llgtr %r2,%r2 # struct new_utsname * |
552 | jg s390x_newuname # branch to system call | 552 | jg s390x_newuname # branch to system call |
553 | 553 | ||
554 | .globl compat_sys_adjtimex_wrapper | 554 | .globl compat_sys_adjtimex_wrapper |
555 | compat_sys_adjtimex_wrapper: | 555 | compat_sys_adjtimex_wrapper: |
556 | llgtr %r2,%r2 # struct compat_timex * | 556 | llgtr %r2,%r2 # struct compat_timex * |
557 | jg compat_sys_adjtimex # branch to system call | 557 | jg compat_sys_adjtimex # branch to system call |
558 | 558 | ||
559 | .globl sys32_mprotect_wrapper | 559 | .globl sys32_mprotect_wrapper |
560 | sys32_mprotect_wrapper: | 560 | sys32_mprotect_wrapper: |
561 | llgtr %r2,%r2 # unsigned long (actually pointer | 561 | llgtr %r2,%r2 # unsigned long (actually pointer |
562 | llgfr %r3,%r3 # size_t | 562 | llgfr %r3,%r3 # size_t |
563 | llgfr %r4,%r4 # unsigned long | 563 | llgfr %r4,%r4 # unsigned long |
564 | jg sys_mprotect # branch to system call | 564 | jg sys_mprotect # branch to system call |
565 | 565 | ||
566 | .globl compat_sys_sigprocmask_wrapper | 566 | .globl compat_sys_sigprocmask_wrapper |
567 | compat_sys_sigprocmask_wrapper: | 567 | compat_sys_sigprocmask_wrapper: |
568 | lgfr %r2,%r2 # int | 568 | lgfr %r2,%r2 # int |
569 | llgtr %r3,%r3 # compat_old_sigset_t * | 569 | llgtr %r3,%r3 # compat_old_sigset_t * |
570 | llgtr %r4,%r4 # compat_old_sigset_t * | 570 | llgtr %r4,%r4 # compat_old_sigset_t * |
571 | jg compat_sys_sigprocmask # branch to system call | 571 | jg compat_sys_sigprocmask # branch to system call |
572 | 572 | ||
573 | .globl sys32_init_module_wrapper | 573 | .globl sys32_init_module_wrapper |
574 | sys32_init_module_wrapper: | 574 | sys32_init_module_wrapper: |
575 | llgtr %r2,%r2 # void * | 575 | llgtr %r2,%r2 # void * |
576 | llgfr %r3,%r3 # unsigned long | 576 | llgfr %r3,%r3 # unsigned long |
577 | llgtr %r4,%r4 # char * | 577 | llgtr %r4,%r4 # char * |
578 | jg sys32_init_module # branch to system call | 578 | jg sys32_init_module # branch to system call |
579 | 579 | ||
580 | .globl sys32_delete_module_wrapper | 580 | .globl sys32_delete_module_wrapper |
581 | sys32_delete_module_wrapper: | 581 | sys32_delete_module_wrapper: |
582 | llgtr %r2,%r2 # const char * | 582 | llgtr %r2,%r2 # const char * |
583 | llgfr %r3,%r3 # unsigned int | 583 | llgfr %r3,%r3 # unsigned int |
584 | jg sys32_delete_module # branch to system call | 584 | jg sys32_delete_module # branch to system call |
585 | 585 | ||
586 | .globl sys32_quotactl_wrapper | 586 | .globl sys32_quotactl_wrapper |
587 | sys32_quotactl_wrapper: | 587 | sys32_quotactl_wrapper: |
588 | llgfr %r2,%r2 # unsigned int | 588 | llgfr %r2,%r2 # unsigned int |
589 | llgtr %r3,%r3 # const char * | 589 | llgtr %r3,%r3 # const char * |
@@ -591,45 +591,45 @@ sys32_quotactl_wrapper: | |||
591 | llgtr %r5,%r5 # caddr_t | 591 | llgtr %r5,%r5 # caddr_t |
592 | jg sys_quotactl # branch to system call | 592 | jg sys_quotactl # branch to system call |
593 | 593 | ||
594 | .globl sys32_getpgid_wrapper | 594 | .globl sys32_getpgid_wrapper |
595 | sys32_getpgid_wrapper: | 595 | sys32_getpgid_wrapper: |
596 | lgfr %r2,%r2 # pid_t | 596 | lgfr %r2,%r2 # pid_t |
597 | jg sys_getpgid # branch to system call | 597 | jg sys_getpgid # branch to system call |
598 | 598 | ||
599 | .globl sys32_fchdir_wrapper | 599 | .globl sys32_fchdir_wrapper |
600 | sys32_fchdir_wrapper: | 600 | sys32_fchdir_wrapper: |
601 | llgfr %r2,%r2 # unsigned int | 601 | llgfr %r2,%r2 # unsigned int |
602 | jg sys_fchdir # branch to system call | 602 | jg sys_fchdir # branch to system call |
603 | 603 | ||
604 | .globl sys32_bdflush_wrapper | 604 | .globl sys32_bdflush_wrapper |
605 | sys32_bdflush_wrapper: | 605 | sys32_bdflush_wrapper: |
606 | lgfr %r2,%r2 # int | 606 | lgfr %r2,%r2 # int |
607 | lgfr %r3,%r3 # long | 607 | lgfr %r3,%r3 # long |
608 | jg sys_bdflush # branch to system call | 608 | jg sys_bdflush # branch to system call |
609 | 609 | ||
610 | .globl sys32_sysfs_wrapper | 610 | .globl sys32_sysfs_wrapper |
611 | sys32_sysfs_wrapper: | 611 | sys32_sysfs_wrapper: |
612 | lgfr %r2,%r2 # int | 612 | lgfr %r2,%r2 # int |
613 | llgfr %r3,%r3 # unsigned long | 613 | llgfr %r3,%r3 # unsigned long |
614 | llgfr %r4,%r4 # unsigned long | 614 | llgfr %r4,%r4 # unsigned long |
615 | jg sys_sysfs # branch to system call | 615 | jg sys_sysfs # branch to system call |
616 | 616 | ||
617 | .globl sys32_personality_wrapper | 617 | .globl sys32_personality_wrapper |
618 | sys32_personality_wrapper: | 618 | sys32_personality_wrapper: |
619 | llgfr %r2,%r2 # unsigned long | 619 | llgfr %r2,%r2 # unsigned long |
620 | jg s390x_personality # branch to system call | 620 | jg s390x_personality # branch to system call |
621 | 621 | ||
622 | .globl sys32_setfsuid16_wrapper | 622 | .globl sys32_setfsuid16_wrapper |
623 | sys32_setfsuid16_wrapper: | 623 | sys32_setfsuid16_wrapper: |
624 | llgfr %r2,%r2 # __kernel_old_uid_emu31_t | 624 | llgfr %r2,%r2 # __kernel_old_uid_emu31_t |
625 | jg sys32_setfsuid16 # branch to system call | 625 | jg sys32_setfsuid16 # branch to system call |
626 | 626 | ||
627 | .globl sys32_setfsgid16_wrapper | 627 | .globl sys32_setfsgid16_wrapper |
628 | sys32_setfsgid16_wrapper: | 628 | sys32_setfsgid16_wrapper: |
629 | llgfr %r2,%r2 # __kernel_old_gid_emu31_t | 629 | llgfr %r2,%r2 # __kernel_old_gid_emu31_t |
630 | jg sys32_setfsgid16 # branch to system call | 630 | jg sys32_setfsgid16 # branch to system call |
631 | 631 | ||
632 | .globl sys32_llseek_wrapper | 632 | .globl sys32_llseek_wrapper |
633 | sys32_llseek_wrapper: | 633 | sys32_llseek_wrapper: |
634 | llgfr %r2,%r2 # unsigned int | 634 | llgfr %r2,%r2 # unsigned int |
635 | llgfr %r3,%r3 # unsigned long | 635 | llgfr %r3,%r3 # unsigned long |
@@ -638,14 +638,14 @@ sys32_llseek_wrapper: | |||
638 | llgfr %r6,%r6 # unsigned int | 638 | llgfr %r6,%r6 # unsigned int |
639 | jg sys_llseek # branch to system call | 639 | jg sys_llseek # branch to system call |
640 | 640 | ||
641 | .globl sys32_getdents_wrapper | 641 | .globl sys32_getdents_wrapper |
642 | sys32_getdents_wrapper: | 642 | sys32_getdents_wrapper: |
643 | llgfr %r2,%r2 # unsigned int | 643 | llgfr %r2,%r2 # unsigned int |
644 | llgtr %r3,%r3 # void * | 644 | llgtr %r3,%r3 # void * |
645 | llgfr %r4,%r4 # unsigned int | 645 | llgfr %r4,%r4 # unsigned int |
646 | jg compat_sys_getdents # branch to system call | 646 | jg compat_sys_getdents # branch to system call |
647 | 647 | ||
648 | .globl compat_sys_select_wrapper | 648 | .globl compat_sys_select_wrapper |
649 | compat_sys_select_wrapper: | 649 | compat_sys_select_wrapper: |
650 | lgfr %r2,%r2 # int | 650 | lgfr %r2,%r2 # int |
651 | llgtr %r3,%r3 # compat_fd_set * | 651 | llgtr %r3,%r3 # compat_fd_set * |
@@ -654,113 +654,113 @@ compat_sys_select_wrapper: | |||
654 | llgtr %r6,%r6 # struct compat_timeval * | 654 | llgtr %r6,%r6 # struct compat_timeval * |
655 | jg compat_sys_select # branch to system call | 655 | jg compat_sys_select # branch to system call |
656 | 656 | ||
657 | .globl sys32_flock_wrapper | 657 | .globl sys32_flock_wrapper |
658 | sys32_flock_wrapper: | 658 | sys32_flock_wrapper: |
659 | llgfr %r2,%r2 # unsigned int | 659 | llgfr %r2,%r2 # unsigned int |
660 | llgfr %r3,%r3 # unsigned int | 660 | llgfr %r3,%r3 # unsigned int |
661 | jg sys_flock # branch to system call | 661 | jg sys_flock # branch to system call |
662 | 662 | ||
663 | .globl sys32_msync_wrapper | 663 | .globl sys32_msync_wrapper |
664 | sys32_msync_wrapper: | 664 | sys32_msync_wrapper: |
665 | llgfr %r2,%r2 # unsigned long | 665 | llgfr %r2,%r2 # unsigned long |
666 | llgfr %r3,%r3 # size_t | 666 | llgfr %r3,%r3 # size_t |
667 | lgfr %r4,%r4 # int | 667 | lgfr %r4,%r4 # int |
668 | jg sys_msync # branch to system call | 668 | jg sys_msync # branch to system call |
669 | 669 | ||
670 | .globl compat_sys_readv_wrapper | 670 | .globl compat_sys_readv_wrapper |
671 | compat_sys_readv_wrapper: | 671 | compat_sys_readv_wrapper: |
672 | lgfr %r2,%r2 # int | 672 | lgfr %r2,%r2 # int |
673 | llgtr %r3,%r3 # const struct compat_iovec * | 673 | llgtr %r3,%r3 # const struct compat_iovec * |
674 | llgfr %r4,%r4 # unsigned long | 674 | llgfr %r4,%r4 # unsigned long |
675 | jg compat_sys_readv # branch to system call | 675 | jg compat_sys_readv # branch to system call |
676 | 676 | ||
677 | .globl compat_sys_writev_wrapper | 677 | .globl compat_sys_writev_wrapper |
678 | compat_sys_writev_wrapper: | 678 | compat_sys_writev_wrapper: |
679 | lgfr %r2,%r2 # int | 679 | lgfr %r2,%r2 # int |
680 | llgtr %r3,%r3 # const struct compat_iovec * | 680 | llgtr %r3,%r3 # const struct compat_iovec * |
681 | llgfr %r4,%r4 # unsigned long | 681 | llgfr %r4,%r4 # unsigned long |
682 | jg compat_sys_writev # branch to system call | 682 | jg compat_sys_writev # branch to system call |
683 | 683 | ||
684 | .globl sys32_getsid_wrapper | 684 | .globl sys32_getsid_wrapper |
685 | sys32_getsid_wrapper: | 685 | sys32_getsid_wrapper: |
686 | lgfr %r2,%r2 # pid_t | 686 | lgfr %r2,%r2 # pid_t |
687 | jg sys_getsid # branch to system call | 687 | jg sys_getsid # branch to system call |
688 | 688 | ||
689 | .globl sys32_fdatasync_wrapper | 689 | .globl sys32_fdatasync_wrapper |
690 | sys32_fdatasync_wrapper: | 690 | sys32_fdatasync_wrapper: |
691 | llgfr %r2,%r2 # unsigned int | 691 | llgfr %r2,%r2 # unsigned int |
692 | jg sys_fdatasync # branch to system call | 692 | jg sys_fdatasync # branch to system call |
693 | 693 | ||
694 | #sys32_sysctl_wrapper # tbd | 694 | #sys32_sysctl_wrapper # tbd |
695 | 695 | ||
696 | .globl sys32_mlock_wrapper | 696 | .globl sys32_mlock_wrapper |
697 | sys32_mlock_wrapper: | 697 | sys32_mlock_wrapper: |
698 | llgfr %r2,%r2 # unsigned long | 698 | llgfr %r2,%r2 # unsigned long |
699 | llgfr %r3,%r3 # size_t | 699 | llgfr %r3,%r3 # size_t |
700 | jg sys_mlock # branch to system call | 700 | jg sys_mlock # branch to system call |
701 | 701 | ||
702 | .globl sys32_munlock_wrapper | 702 | .globl sys32_munlock_wrapper |
703 | sys32_munlock_wrapper: | 703 | sys32_munlock_wrapper: |
704 | llgfr %r2,%r2 # unsigned long | 704 | llgfr %r2,%r2 # unsigned long |
705 | llgfr %r3,%r3 # size_t | 705 | llgfr %r3,%r3 # size_t |
706 | jg sys_munlock # branch to system call | 706 | jg sys_munlock # branch to system call |
707 | 707 | ||
708 | .globl sys32_mlockall_wrapper | 708 | .globl sys32_mlockall_wrapper |
709 | sys32_mlockall_wrapper: | 709 | sys32_mlockall_wrapper: |
710 | lgfr %r2,%r2 # int | 710 | lgfr %r2,%r2 # int |
711 | jg sys_mlockall # branch to system call | 711 | jg sys_mlockall # branch to system call |
712 | 712 | ||
713 | #sys32_munlockall_wrapper # void | 713 | #sys32_munlockall_wrapper # void |
714 | 714 | ||
715 | .globl sys32_sched_setparam_wrapper | 715 | .globl sys32_sched_setparam_wrapper |
716 | sys32_sched_setparam_wrapper: | 716 | sys32_sched_setparam_wrapper: |
717 | lgfr %r2,%r2 # pid_t | 717 | lgfr %r2,%r2 # pid_t |
718 | llgtr %r3,%r3 # struct sched_param * | 718 | llgtr %r3,%r3 # struct sched_param * |
719 | jg sys_sched_setparam # branch to system call | 719 | jg sys_sched_setparam # branch to system call |
720 | 720 | ||
721 | .globl sys32_sched_getparam_wrapper | 721 | .globl sys32_sched_getparam_wrapper |
722 | sys32_sched_getparam_wrapper: | 722 | sys32_sched_getparam_wrapper: |
723 | lgfr %r2,%r2 # pid_t | 723 | lgfr %r2,%r2 # pid_t |
724 | llgtr %r3,%r3 # struct sched_param * | 724 | llgtr %r3,%r3 # struct sched_param * |
725 | jg sys_sched_getparam # branch to system call | 725 | jg sys_sched_getparam # branch to system call |
726 | 726 | ||
727 | .globl sys32_sched_setscheduler_wrapper | 727 | .globl sys32_sched_setscheduler_wrapper |
728 | sys32_sched_setscheduler_wrapper: | 728 | sys32_sched_setscheduler_wrapper: |
729 | lgfr %r2,%r2 # pid_t | 729 | lgfr %r2,%r2 # pid_t |
730 | lgfr %r3,%r3 # int | 730 | lgfr %r3,%r3 # int |
731 | llgtr %r4,%r4 # struct sched_param * | 731 | llgtr %r4,%r4 # struct sched_param * |
732 | jg sys_sched_setscheduler # branch to system call | 732 | jg sys_sched_setscheduler # branch to system call |
733 | 733 | ||
734 | .globl sys32_sched_getscheduler_wrapper | 734 | .globl sys32_sched_getscheduler_wrapper |
735 | sys32_sched_getscheduler_wrapper: | 735 | sys32_sched_getscheduler_wrapper: |
736 | lgfr %r2,%r2 # pid_t | 736 | lgfr %r2,%r2 # pid_t |
737 | jg sys_sched_getscheduler # branch to system call | 737 | jg sys_sched_getscheduler # branch to system call |
738 | 738 | ||
739 | #sys32_sched_yield_wrapper # void | 739 | #sys32_sched_yield_wrapper # void |
740 | 740 | ||
741 | .globl sys32_sched_get_priority_max_wrapper | 741 | .globl sys32_sched_get_priority_max_wrapper |
742 | sys32_sched_get_priority_max_wrapper: | 742 | sys32_sched_get_priority_max_wrapper: |
743 | lgfr %r2,%r2 # int | 743 | lgfr %r2,%r2 # int |
744 | jg sys_sched_get_priority_max # branch to system call | 744 | jg sys_sched_get_priority_max # branch to system call |
745 | 745 | ||
746 | .globl sys32_sched_get_priority_min_wrapper | 746 | .globl sys32_sched_get_priority_min_wrapper |
747 | sys32_sched_get_priority_min_wrapper: | 747 | sys32_sched_get_priority_min_wrapper: |
748 | lgfr %r2,%r2 # int | 748 | lgfr %r2,%r2 # int |
749 | jg sys_sched_get_priority_min # branch to system call | 749 | jg sys_sched_get_priority_min # branch to system call |
750 | 750 | ||
751 | .globl sys32_sched_rr_get_interval_wrapper | 751 | .globl sys32_sched_rr_get_interval_wrapper |
752 | sys32_sched_rr_get_interval_wrapper: | 752 | sys32_sched_rr_get_interval_wrapper: |
753 | lgfr %r2,%r2 # pid_t | 753 | lgfr %r2,%r2 # pid_t |
754 | llgtr %r3,%r3 # struct compat_timespec * | 754 | llgtr %r3,%r3 # struct compat_timespec * |
755 | jg sys32_sched_rr_get_interval # branch to system call | 755 | jg sys32_sched_rr_get_interval # branch to system call |
756 | 756 | ||
757 | .globl compat_sys_nanosleep_wrapper | 757 | .globl compat_sys_nanosleep_wrapper |
758 | compat_sys_nanosleep_wrapper: | 758 | compat_sys_nanosleep_wrapper: |
759 | llgtr %r2,%r2 # struct compat_timespec * | 759 | llgtr %r2,%r2 # struct compat_timespec * |
760 | llgtr %r3,%r3 # struct compat_timespec * | 760 | llgtr %r3,%r3 # struct compat_timespec * |
761 | jg compat_sys_nanosleep # branch to system call | 761 | jg compat_sys_nanosleep # branch to system call |
762 | 762 | ||
763 | .globl sys32_mremap_wrapper | 763 | .globl sys32_mremap_wrapper |
764 | sys32_mremap_wrapper: | 764 | sys32_mremap_wrapper: |
765 | llgfr %r2,%r2 # unsigned long | 765 | llgfr %r2,%r2 # unsigned long |
766 | llgfr %r3,%r3 # unsigned long | 766 | llgfr %r3,%r3 # unsigned long |
@@ -769,49 +769,49 @@ sys32_mremap_wrapper: | |||
769 | llgfr %r6,%r6 # unsigned long | 769 | llgfr %r6,%r6 # unsigned long |
770 | jg sys_mremap # branch to system call | 770 | jg sys_mremap # branch to system call |
771 | 771 | ||
772 | .globl sys32_setresuid16_wrapper | 772 | .globl sys32_setresuid16_wrapper |
773 | sys32_setresuid16_wrapper: | 773 | sys32_setresuid16_wrapper: |
774 | llgfr %r2,%r2 # __kernel_old_uid_emu31_t | 774 | llgfr %r2,%r2 # __kernel_old_uid_emu31_t |
775 | llgfr %r3,%r3 # __kernel_old_uid_emu31_t | 775 | llgfr %r3,%r3 # __kernel_old_uid_emu31_t |
776 | llgfr %r4,%r4 # __kernel_old_uid_emu31_t | 776 | llgfr %r4,%r4 # __kernel_old_uid_emu31_t |
777 | jg sys32_setresuid16 # branch to system call | 777 | jg sys32_setresuid16 # branch to system call |
778 | 778 | ||
779 | .globl sys32_getresuid16_wrapper | 779 | .globl sys32_getresuid16_wrapper |
780 | sys32_getresuid16_wrapper: | 780 | sys32_getresuid16_wrapper: |
781 | llgtr %r2,%r2 # __kernel_old_uid_emu31_t * | 781 | llgtr %r2,%r2 # __kernel_old_uid_emu31_t * |
782 | llgtr %r3,%r3 # __kernel_old_uid_emu31_t * | 782 | llgtr %r3,%r3 # __kernel_old_uid_emu31_t * |
783 | llgtr %r4,%r4 # __kernel_old_uid_emu31_t * | 783 | llgtr %r4,%r4 # __kernel_old_uid_emu31_t * |
784 | jg sys32_getresuid16 # branch to system call | 784 | jg sys32_getresuid16 # branch to system call |
785 | 785 | ||
786 | .globl sys32_poll_wrapper | 786 | .globl sys32_poll_wrapper |
787 | sys32_poll_wrapper: | 787 | sys32_poll_wrapper: |
788 | llgtr %r2,%r2 # struct pollfd * | 788 | llgtr %r2,%r2 # struct pollfd * |
789 | llgfr %r3,%r3 # unsigned int | 789 | llgfr %r3,%r3 # unsigned int |
790 | lgfr %r4,%r4 # long | 790 | lgfr %r4,%r4 # long |
791 | jg sys_poll # branch to system call | 791 | jg sys_poll # branch to system call |
792 | 792 | ||
793 | .globl compat_sys_nfsservctl_wrapper | 793 | .globl compat_sys_nfsservctl_wrapper |
794 | compat_sys_nfsservctl_wrapper: | 794 | compat_sys_nfsservctl_wrapper: |
795 | lgfr %r2,%r2 # int | 795 | lgfr %r2,%r2 # int |
796 | llgtr %r3,%r3 # struct compat_nfsctl_arg* | 796 | llgtr %r3,%r3 # struct compat_nfsctl_arg* |
797 | llgtr %r4,%r4 # union compat_nfsctl_res* | 797 | llgtr %r4,%r4 # union compat_nfsctl_res* |
798 | jg compat_sys_nfsservctl # branch to system call | 798 | jg compat_sys_nfsservctl # branch to system call |
799 | 799 | ||
800 | .globl sys32_setresgid16_wrapper | 800 | .globl sys32_setresgid16_wrapper |
801 | sys32_setresgid16_wrapper: | 801 | sys32_setresgid16_wrapper: |
802 | llgfr %r2,%r2 # __kernel_old_gid_emu31_t | 802 | llgfr %r2,%r2 # __kernel_old_gid_emu31_t |
803 | llgfr %r3,%r3 # __kernel_old_gid_emu31_t | 803 | llgfr %r3,%r3 # __kernel_old_gid_emu31_t |
804 | llgfr %r4,%r4 # __kernel_old_gid_emu31_t | 804 | llgfr %r4,%r4 # __kernel_old_gid_emu31_t |
805 | jg sys32_setresgid16 # branch to system call | 805 | jg sys32_setresgid16 # branch to system call |
806 | 806 | ||
807 | .globl sys32_getresgid16_wrapper | 807 | .globl sys32_getresgid16_wrapper |
808 | sys32_getresgid16_wrapper: | 808 | sys32_getresgid16_wrapper: |
809 | llgtr %r2,%r2 # __kernel_old_gid_emu31_t * | 809 | llgtr %r2,%r2 # __kernel_old_gid_emu31_t * |
810 | llgtr %r3,%r3 # __kernel_old_gid_emu31_t * | 810 | llgtr %r3,%r3 # __kernel_old_gid_emu31_t * |
811 | llgtr %r4,%r4 # __kernel_old_gid_emu31_t * | 811 | llgtr %r4,%r4 # __kernel_old_gid_emu31_t * |
812 | jg sys32_getresgid16 # branch to system call | 812 | jg sys32_getresgid16 # branch to system call |
813 | 813 | ||
814 | .globl sys32_prctl_wrapper | 814 | .globl sys32_prctl_wrapper |
815 | sys32_prctl_wrapper: | 815 | sys32_prctl_wrapper: |
816 | lgfr %r2,%r2 # int | 816 | lgfr %r2,%r2 # int |
817 | llgfr %r3,%r3 # unsigned long | 817 | llgfr %r3,%r3 # unsigned long |
@@ -820,9 +820,9 @@ sys32_prctl_wrapper: | |||
820 | llgfr %r6,%r6 # unsigned long | 820 | llgfr %r6,%r6 # unsigned long |
821 | jg sys_prctl # branch to system call | 821 | jg sys_prctl # branch to system call |
822 | 822 | ||
823 | #sys32_rt_sigreturn_wrapper # done in rt_sigreturn_glue | 823 | #sys32_rt_sigreturn_wrapper # done in rt_sigreturn_glue |
824 | 824 | ||
825 | .globl sys32_rt_sigaction_wrapper | 825 | .globl sys32_rt_sigaction_wrapper |
826 | sys32_rt_sigaction_wrapper: | 826 | sys32_rt_sigaction_wrapper: |
827 | lgfr %r2,%r2 # int | 827 | lgfr %r2,%r2 # int |
828 | llgtr %r3,%r3 # const struct sigaction_emu31 * | 828 | llgtr %r3,%r3 # const struct sigaction_emu31 * |
@@ -830,7 +830,7 @@ sys32_rt_sigaction_wrapper: | |||
830 | llgfr %r5,%r5 # size_t | 830 | llgfr %r5,%r5 # size_t |
831 | jg sys32_rt_sigaction # branch to system call | 831 | jg sys32_rt_sigaction # branch to system call |
832 | 832 | ||
833 | .globl sys32_rt_sigprocmask_wrapper | 833 | .globl sys32_rt_sigprocmask_wrapper |
834 | sys32_rt_sigprocmask_wrapper: | 834 | sys32_rt_sigprocmask_wrapper: |
835 | lgfr %r2,%r2 # int | 835 | lgfr %r2,%r2 # int |
836 | llgtr %r3,%r3 # old_sigset_emu31 * | 836 | llgtr %r3,%r3 # old_sigset_emu31 * |
@@ -838,13 +838,13 @@ sys32_rt_sigprocmask_wrapper: | |||
838 | llgfr %r5,%r5 # size_t | 838 | llgfr %r5,%r5 # size_t |
839 | jg sys32_rt_sigprocmask # branch to system call | 839 | jg sys32_rt_sigprocmask # branch to system call |
840 | 840 | ||
841 | .globl sys32_rt_sigpending_wrapper | 841 | .globl sys32_rt_sigpending_wrapper |
842 | sys32_rt_sigpending_wrapper: | 842 | sys32_rt_sigpending_wrapper: |
843 | llgtr %r2,%r2 # sigset_emu31 * | 843 | llgtr %r2,%r2 # sigset_emu31 * |
844 | llgfr %r3,%r3 # size_t | 844 | llgfr %r3,%r3 # size_t |
845 | jg sys32_rt_sigpending # branch to system call | 845 | jg sys32_rt_sigpending # branch to system call |
846 | 846 | ||
847 | .globl compat_sys_rt_sigtimedwait_wrapper | 847 | .globl compat_sys_rt_sigtimedwait_wrapper |
848 | compat_sys_rt_sigtimedwait_wrapper: | 848 | compat_sys_rt_sigtimedwait_wrapper: |
849 | llgtr %r2,%r2 # const sigset_emu31_t * | 849 | llgtr %r2,%r2 # const sigset_emu31_t * |
850 | llgtr %r3,%r3 # siginfo_emu31_t * | 850 | llgtr %r3,%r3 # siginfo_emu31_t * |
@@ -852,7 +852,7 @@ compat_sys_rt_sigtimedwait_wrapper: | |||
852 | llgfr %r5,%r5 # size_t | 852 | llgfr %r5,%r5 # size_t |
853 | jg compat_sys_rt_sigtimedwait # branch to system call | 853 | jg compat_sys_rt_sigtimedwait # branch to system call |
854 | 854 | ||
855 | .globl sys32_rt_sigqueueinfo_wrapper | 855 | .globl sys32_rt_sigqueueinfo_wrapper |
856 | sys32_rt_sigqueueinfo_wrapper: | 856 | sys32_rt_sigqueueinfo_wrapper: |
857 | lgfr %r2,%r2 # int | 857 | lgfr %r2,%r2 # int |
858 | lgfr %r3,%r3 # int | 858 | lgfr %r3,%r3 # int |
@@ -865,7 +865,7 @@ compat_sys_rt_sigsuspend_wrapper: | |||
865 | llgfr %r3,%r3 # compat_size_t | 865 | llgfr %r3,%r3 # compat_size_t |
866 | jg compat_sys_rt_sigsuspend | 866 | jg compat_sys_rt_sigsuspend |
867 | 867 | ||
868 | .globl sys32_pread64_wrapper | 868 | .globl sys32_pread64_wrapper |
869 | sys32_pread64_wrapper: | 869 | sys32_pread64_wrapper: |
870 | llgfr %r2,%r2 # unsigned int | 870 | llgfr %r2,%r2 # unsigned int |
871 | llgtr %r3,%r3 # char * | 871 | llgtr %r3,%r3 # char * |
@@ -874,7 +874,7 @@ sys32_pread64_wrapper: | |||
874 | llgfr %r6,%r6 # u32 | 874 | llgfr %r6,%r6 # u32 |
875 | jg sys32_pread64 # branch to system call | 875 | jg sys32_pread64 # branch to system call |
876 | 876 | ||
877 | .globl sys32_pwrite64_wrapper | 877 | .globl sys32_pwrite64_wrapper |
878 | sys32_pwrite64_wrapper: | 878 | sys32_pwrite64_wrapper: |
879 | llgfr %r2,%r2 # unsigned int | 879 | llgfr %r2,%r2 # unsigned int |
880 | llgtr %r3,%r3 # const char * | 880 | llgtr %r3,%r3 # const char * |
@@ -883,26 +883,26 @@ sys32_pwrite64_wrapper: | |||
883 | llgfr %r6,%r6 # u32 | 883 | llgfr %r6,%r6 # u32 |
884 | jg sys32_pwrite64 # branch to system call | 884 | jg sys32_pwrite64 # branch to system call |
885 | 885 | ||
886 | .globl sys32_chown16_wrapper | 886 | .globl sys32_chown16_wrapper |
887 | sys32_chown16_wrapper: | 887 | sys32_chown16_wrapper: |
888 | llgtr %r2,%r2 # const char * | 888 | llgtr %r2,%r2 # const char * |
889 | llgfr %r3,%r3 # __kernel_old_uid_emu31_t | 889 | llgfr %r3,%r3 # __kernel_old_uid_emu31_t |
890 | llgfr %r4,%r4 # __kernel_old_gid_emu31_t | 890 | llgfr %r4,%r4 # __kernel_old_gid_emu31_t |
891 | jg sys32_chown16 # branch to system call | 891 | jg sys32_chown16 # branch to system call |
892 | 892 | ||
893 | .globl sys32_getcwd_wrapper | 893 | .globl sys32_getcwd_wrapper |
894 | sys32_getcwd_wrapper: | 894 | sys32_getcwd_wrapper: |
895 | llgtr %r2,%r2 # char * | 895 | llgtr %r2,%r2 # char * |
896 | llgfr %r3,%r3 # unsigned long | 896 | llgfr %r3,%r3 # unsigned long |
897 | jg sys_getcwd # branch to system call | 897 | jg sys_getcwd # branch to system call |
898 | 898 | ||
899 | .globl sys32_capget_wrapper | 899 | .globl sys32_capget_wrapper |
900 | sys32_capget_wrapper: | 900 | sys32_capget_wrapper: |
901 | llgtr %r2,%r2 # cap_user_header_t | 901 | llgtr %r2,%r2 # cap_user_header_t |
902 | llgtr %r3,%r3 # cap_user_data_t | 902 | llgtr %r3,%r3 # cap_user_data_t |
903 | jg sys_capget # branch to system call | 903 | jg sys_capget # branch to system call |
904 | 904 | ||
905 | .globl sys32_capset_wrapper | 905 | .globl sys32_capset_wrapper |
906 | sys32_capset_wrapper: | 906 | sys32_capset_wrapper: |
907 | llgtr %r2,%r2 # cap_user_header_t | 907 | llgtr %r2,%r2 # cap_user_header_t |
908 | llgtr %r3,%r3 # const cap_user_data_t | 908 | llgtr %r3,%r3 # const cap_user_data_t |
@@ -910,11 +910,11 @@ sys32_capset_wrapper: | |||
910 | 910 | ||
911 | .globl sys32_sigaltstack_wrapper | 911 | .globl sys32_sigaltstack_wrapper |
912 | sys32_sigaltstack_wrapper: | 912 | sys32_sigaltstack_wrapper: |
913 | llgtr %r2,%r2 # const stack_emu31_t * | 913 | llgtr %r2,%r2 # const stack_emu31_t * |
914 | llgtr %r3,%r3 # stack_emu31_t * | 914 | llgtr %r3,%r3 # stack_emu31_t * |
915 | jg sys32_sigaltstack | 915 | jg sys32_sigaltstack |
916 | 916 | ||
917 | .globl sys32_sendfile_wrapper | 917 | .globl sys32_sendfile_wrapper |
918 | sys32_sendfile_wrapper: | 918 | sys32_sendfile_wrapper: |
919 | lgfr %r2,%r2 # int | 919 | lgfr %r2,%r2 # int |
920 | lgfr %r3,%r3 # int | 920 | lgfr %r3,%r3 # int |
@@ -922,33 +922,33 @@ sys32_sendfile_wrapper: | |||
922 | llgfr %r5,%r5 # size_t | 922 | llgfr %r5,%r5 # size_t |
923 | jg sys32_sendfile # branch to system call | 923 | jg sys32_sendfile # branch to system call |
924 | 924 | ||
925 | #sys32_vfork_wrapper # done in vfork_glue | 925 | #sys32_vfork_wrapper # done in vfork_glue |
926 | 926 | ||
927 | .globl sys32_truncate64_wrapper | 927 | .globl sys32_truncate64_wrapper |
928 | sys32_truncate64_wrapper: | 928 | sys32_truncate64_wrapper: |
929 | llgtr %r2,%r2 # const char * | 929 | llgtr %r2,%r2 # const char * |
930 | llgfr %r3,%r3 # unsigned long | 930 | llgfr %r3,%r3 # unsigned long |
931 | llgfr %r4,%r4 # unsigned long | 931 | llgfr %r4,%r4 # unsigned long |
932 | jg sys32_truncate64 # branch to system call | 932 | jg sys32_truncate64 # branch to system call |
933 | 933 | ||
934 | .globl sys32_ftruncate64_wrapper | 934 | .globl sys32_ftruncate64_wrapper |
935 | sys32_ftruncate64_wrapper: | 935 | sys32_ftruncate64_wrapper: |
936 | llgfr %r2,%r2 # unsigned int | 936 | llgfr %r2,%r2 # unsigned int |
937 | llgfr %r3,%r3 # unsigned long | 937 | llgfr %r3,%r3 # unsigned long |
938 | llgfr %r4,%r4 # unsigned long | 938 | llgfr %r4,%r4 # unsigned long |
939 | jg sys32_ftruncate64 # branch to system call | 939 | jg sys32_ftruncate64 # branch to system call |
940 | 940 | ||
941 | .globl sys32_lchown_wrapper | 941 | .globl sys32_lchown_wrapper |
942 | sys32_lchown_wrapper: | 942 | sys32_lchown_wrapper: |
943 | llgtr %r2,%r2 # const char * | 943 | llgtr %r2,%r2 # const char * |
944 | llgfr %r3,%r3 # uid_t | 944 | llgfr %r3,%r3 # uid_t |
945 | llgfr %r4,%r4 # gid_t | 945 | llgfr %r4,%r4 # gid_t |
946 | jg sys_lchown # branch to system call | 946 | jg sys_lchown # branch to system call |
947 | 947 | ||
948 | #sys32_getuid_wrapper # void | 948 | #sys32_getuid_wrapper # void |
949 | #sys32_getgid_wrapper # void | 949 | #sys32_getgid_wrapper # void |
950 | #sys32_geteuid_wrapper # void | 950 | #sys32_geteuid_wrapper # void |
951 | #sys32_getegid_wrapper # void | 951 | #sys32_getegid_wrapper # void |
952 | 952 | ||
953 | .globl sys32_setreuid_wrapper | 953 | .globl sys32_setreuid_wrapper |
954 | sys32_setreuid_wrapper: | 954 | sys32_setreuid_wrapper: |
@@ -962,111 +962,111 @@ sys32_setregid_wrapper: | |||
962 | llgfr %r3,%r3 # gid_t | 962 | llgfr %r3,%r3 # gid_t |
963 | jg sys_setregid # branch to system call | 963 | jg sys_setregid # branch to system call |
964 | 964 | ||
965 | .globl sys32_getgroups_wrapper | 965 | .globl sys32_getgroups_wrapper |
966 | sys32_getgroups_wrapper: | 966 | sys32_getgroups_wrapper: |
967 | lgfr %r2,%r2 # int | 967 | lgfr %r2,%r2 # int |
968 | llgtr %r3,%r3 # gid_t * | 968 | llgtr %r3,%r3 # gid_t * |
969 | jg sys_getgroups # branch to system call | 969 | jg sys_getgroups # branch to system call |
970 | 970 | ||
971 | .globl sys32_setgroups_wrapper | 971 | .globl sys32_setgroups_wrapper |
972 | sys32_setgroups_wrapper: | 972 | sys32_setgroups_wrapper: |
973 | lgfr %r2,%r2 # int | 973 | lgfr %r2,%r2 # int |
974 | llgtr %r3,%r3 # gid_t * | 974 | llgtr %r3,%r3 # gid_t * |
975 | jg sys_setgroups # branch to system call | 975 | jg sys_setgroups # branch to system call |
976 | 976 | ||
977 | .globl sys32_fchown_wrapper | 977 | .globl sys32_fchown_wrapper |
978 | sys32_fchown_wrapper: | 978 | sys32_fchown_wrapper: |
979 | llgfr %r2,%r2 # unsigned int | 979 | llgfr %r2,%r2 # unsigned int |
980 | llgfr %r3,%r3 # uid_t | 980 | llgfr %r3,%r3 # uid_t |
981 | llgfr %r4,%r4 # gid_t | 981 | llgfr %r4,%r4 # gid_t |
982 | jg sys_fchown # branch to system call | 982 | jg sys_fchown # branch to system call |
983 | 983 | ||
984 | .globl sys32_setresuid_wrapper | 984 | .globl sys32_setresuid_wrapper |
985 | sys32_setresuid_wrapper: | 985 | sys32_setresuid_wrapper: |
986 | llgfr %r2,%r2 # uid_t | 986 | llgfr %r2,%r2 # uid_t |
987 | llgfr %r3,%r3 # uid_t | 987 | llgfr %r3,%r3 # uid_t |
988 | llgfr %r4,%r4 # uid_t | 988 | llgfr %r4,%r4 # uid_t |
989 | jg sys_setresuid # branch to system call | 989 | jg sys_setresuid # branch to system call |
990 | 990 | ||
991 | .globl sys32_getresuid_wrapper | 991 | .globl sys32_getresuid_wrapper |
992 | sys32_getresuid_wrapper: | 992 | sys32_getresuid_wrapper: |
993 | llgtr %r2,%r2 # uid_t * | 993 | llgtr %r2,%r2 # uid_t * |
994 | llgtr %r3,%r3 # uid_t * | 994 | llgtr %r3,%r3 # uid_t * |
995 | llgtr %r4,%r4 # uid_t * | 995 | llgtr %r4,%r4 # uid_t * |
996 | jg sys_getresuid # branch to system call | 996 | jg sys_getresuid # branch to system call |
997 | 997 | ||
998 | .globl sys32_setresgid_wrapper | 998 | .globl sys32_setresgid_wrapper |
999 | sys32_setresgid_wrapper: | 999 | sys32_setresgid_wrapper: |
1000 | llgfr %r2,%r2 # gid_t | 1000 | llgfr %r2,%r2 # gid_t |
1001 | llgfr %r3,%r3 # gid_t | 1001 | llgfr %r3,%r3 # gid_t |
1002 | llgfr %r4,%r4 # gid_t | 1002 | llgfr %r4,%r4 # gid_t |
1003 | jg sys_setresgid # branch to system call | 1003 | jg sys_setresgid # branch to system call |
1004 | 1004 | ||
1005 | .globl sys32_getresgid_wrapper | 1005 | .globl sys32_getresgid_wrapper |
1006 | sys32_getresgid_wrapper: | 1006 | sys32_getresgid_wrapper: |
1007 | llgtr %r2,%r2 # gid_t * | 1007 | llgtr %r2,%r2 # gid_t * |
1008 | llgtr %r3,%r3 # gid_t * | 1008 | llgtr %r3,%r3 # gid_t * |
1009 | llgtr %r4,%r4 # gid_t * | 1009 | llgtr %r4,%r4 # gid_t * |
1010 | jg sys_getresgid # branch to system call | 1010 | jg sys_getresgid # branch to system call |
1011 | 1011 | ||
1012 | .globl sys32_chown_wrapper | 1012 | .globl sys32_chown_wrapper |
1013 | sys32_chown_wrapper: | 1013 | sys32_chown_wrapper: |
1014 | llgtr %r2,%r2 # const char * | 1014 | llgtr %r2,%r2 # const char * |
1015 | llgfr %r3,%r3 # uid_t | 1015 | llgfr %r3,%r3 # uid_t |
1016 | llgfr %r4,%r4 # gid_t | 1016 | llgfr %r4,%r4 # gid_t |
1017 | jg sys_chown # branch to system call | 1017 | jg sys_chown # branch to system call |
1018 | 1018 | ||
1019 | .globl sys32_setuid_wrapper | 1019 | .globl sys32_setuid_wrapper |
1020 | sys32_setuid_wrapper: | 1020 | sys32_setuid_wrapper: |
1021 | llgfr %r2,%r2 # uid_t | 1021 | llgfr %r2,%r2 # uid_t |
1022 | jg sys_setuid # branch to system call | 1022 | jg sys_setuid # branch to system call |
1023 | 1023 | ||
1024 | .globl sys32_setgid_wrapper | 1024 | .globl sys32_setgid_wrapper |
1025 | sys32_setgid_wrapper: | 1025 | sys32_setgid_wrapper: |
1026 | llgfr %r2,%r2 # gid_t | 1026 | llgfr %r2,%r2 # gid_t |
1027 | jg sys_setgid # branch to system call | 1027 | jg sys_setgid # branch to system call |
1028 | 1028 | ||
1029 | .globl sys32_setfsuid_wrapper | 1029 | .globl sys32_setfsuid_wrapper |
1030 | sys32_setfsuid_wrapper: | 1030 | sys32_setfsuid_wrapper: |
1031 | llgfr %r2,%r2 # uid_t | 1031 | llgfr %r2,%r2 # uid_t |
1032 | jg sys_setfsuid # branch to system call | 1032 | jg sys_setfsuid # branch to system call |
1033 | 1033 | ||
1034 | .globl sys32_setfsgid_wrapper | 1034 | .globl sys32_setfsgid_wrapper |
1035 | sys32_setfsgid_wrapper: | 1035 | sys32_setfsgid_wrapper: |
1036 | llgfr %r2,%r2 # gid_t | 1036 | llgfr %r2,%r2 # gid_t |
1037 | jg sys_setfsgid # branch to system call | 1037 | jg sys_setfsgid # branch to system call |
1038 | 1038 | ||
1039 | .globl sys32_pivot_root_wrapper | 1039 | .globl sys32_pivot_root_wrapper |
1040 | sys32_pivot_root_wrapper: | 1040 | sys32_pivot_root_wrapper: |
1041 | llgtr %r2,%r2 # const char * | 1041 | llgtr %r2,%r2 # const char * |
1042 | llgtr %r3,%r3 # const char * | 1042 | llgtr %r3,%r3 # const char * |
1043 | jg sys_pivot_root # branch to system call | 1043 | jg sys_pivot_root # branch to system call |
1044 | 1044 | ||
1045 | .globl sys32_mincore_wrapper | 1045 | .globl sys32_mincore_wrapper |
1046 | sys32_mincore_wrapper: | 1046 | sys32_mincore_wrapper: |
1047 | llgfr %r2,%r2 # unsigned long | 1047 | llgfr %r2,%r2 # unsigned long |
1048 | llgfr %r3,%r3 # size_t | 1048 | llgfr %r3,%r3 # size_t |
1049 | llgtr %r4,%r4 # unsigned char * | 1049 | llgtr %r4,%r4 # unsigned char * |
1050 | jg sys_mincore # branch to system call | 1050 | jg sys_mincore # branch to system call |
1051 | 1051 | ||
1052 | .globl sys32_madvise_wrapper | 1052 | .globl sys32_madvise_wrapper |
1053 | sys32_madvise_wrapper: | 1053 | sys32_madvise_wrapper: |
1054 | llgfr %r2,%r2 # unsigned long | 1054 | llgfr %r2,%r2 # unsigned long |
1055 | llgfr %r3,%r3 # size_t | 1055 | llgfr %r3,%r3 # size_t |
1056 | lgfr %r4,%r4 # int | 1056 | lgfr %r4,%r4 # int |
1057 | jg sys_madvise # branch to system call | 1057 | jg sys_madvise # branch to system call |
1058 | 1058 | ||
1059 | .globl sys32_getdents64_wrapper | 1059 | .globl sys32_getdents64_wrapper |
1060 | sys32_getdents64_wrapper: | 1060 | sys32_getdents64_wrapper: |
1061 | llgfr %r2,%r2 # unsigned int | 1061 | llgfr %r2,%r2 # unsigned int |
1062 | llgtr %r3,%r3 # void * | 1062 | llgtr %r3,%r3 # void * |
1063 | llgfr %r4,%r4 # unsigned int | 1063 | llgfr %r4,%r4 # unsigned int |
1064 | jg sys_getdents64 # branch to system call | 1064 | jg sys_getdents64 # branch to system call |
1065 | 1065 | ||
1066 | .globl compat_sys_fcntl64_wrapper | 1066 | .globl compat_sys_fcntl64_wrapper |
1067 | compat_sys_fcntl64_wrapper: | 1067 | compat_sys_fcntl64_wrapper: |
1068 | llgfr %r2,%r2 # unsigned int | 1068 | llgfr %r2,%r2 # unsigned int |
1069 | llgfr %r3,%r3 # unsigned int | 1069 | llgfr %r3,%r3 # unsigned int |
1070 | llgfr %r4,%r4 # unsigned long | 1070 | llgfr %r4,%r4 # unsigned long |
1071 | jg compat_sys_fcntl64 # branch to system call | 1071 | jg compat_sys_fcntl64 # branch to system call |
1072 | 1072 | ||
@@ -1087,10 +1087,10 @@ sys32_stime_wrapper: | |||
1087 | llgtr %r2,%r2 # long * | 1087 | llgtr %r2,%r2 # long * |
1088 | jg compat_sys_stime # branch to system call | 1088 | jg compat_sys_stime # branch to system call |
1089 | 1089 | ||
1090 | .globl sys32_sysctl_wrapper | 1090 | .globl sys32_sysctl_wrapper |
1091 | sys32_sysctl_wrapper: | 1091 | sys32_sysctl_wrapper: |
1092 | llgtr %r2,%r2 # struct __sysctl_args32 * | 1092 | llgtr %r2,%r2 # struct __sysctl_args32 * |
1093 | jg sys32_sysctl | 1093 | jg sys32_sysctl |
1094 | 1094 | ||
1095 | .globl sys32_fstat64_wrapper | 1095 | .globl sys32_fstat64_wrapper |
1096 | sys32_fstat64_wrapper: | 1096 | sys32_fstat64_wrapper: |
@@ -1098,7 +1098,7 @@ sys32_fstat64_wrapper: | |||
1098 | llgtr %r3,%r3 # struct stat64 * | 1098 | llgtr %r3,%r3 # struct stat64 * |
1099 | jg sys32_fstat64 # branch to system call | 1099 | jg sys32_fstat64 # branch to system call |
1100 | 1100 | ||
1101 | .globl compat_sys_futex_wrapper | 1101 | .globl compat_sys_futex_wrapper |
1102 | compat_sys_futex_wrapper: | 1102 | compat_sys_futex_wrapper: |
1103 | llgtr %r2,%r2 # u32 * | 1103 | llgtr %r2,%r2 # u32 * |
1104 | lgfr %r3,%r3 # int | 1104 | lgfr %r3,%r3 # int |
@@ -1213,22 +1213,22 @@ sys32_sched_getaffinity_wrapper: | |||
1213 | llgtr %r4,%r4 # unsigned long * | 1213 | llgtr %r4,%r4 # unsigned long * |
1214 | jg compat_sys_sched_getaffinity | 1214 | jg compat_sys_sched_getaffinity |
1215 | 1215 | ||
1216 | .globl sys32_exit_group_wrapper | 1216 | .globl sys32_exit_group_wrapper |
1217 | sys32_exit_group_wrapper: | 1217 | sys32_exit_group_wrapper: |
1218 | lgfr %r2,%r2 # int | 1218 | lgfr %r2,%r2 # int |
1219 | jg sys_exit_group # branch to system call | 1219 | jg sys_exit_group # branch to system call |
1220 | 1220 | ||
1221 | .globl sys32_set_tid_address_wrapper | 1221 | .globl sys32_set_tid_address_wrapper |
1222 | sys32_set_tid_address_wrapper: | 1222 | sys32_set_tid_address_wrapper: |
1223 | llgtr %r2,%r2 # int * | 1223 | llgtr %r2,%r2 # int * |
1224 | jg sys_set_tid_address # branch to system call | 1224 | jg sys_set_tid_address # branch to system call |
1225 | 1225 | ||
1226 | .globl sys_epoll_create_wrapper | 1226 | .globl sys_epoll_create_wrapper |
1227 | sys_epoll_create_wrapper: | 1227 | sys_epoll_create_wrapper: |
1228 | lgfr %r2,%r2 # int | 1228 | lgfr %r2,%r2 # int |
1229 | jg sys_epoll_create # branch to system call | 1229 | jg sys_epoll_create # branch to system call |
1230 | 1230 | ||
1231 | .globl sys_epoll_ctl_wrapper | 1231 | .globl sys_epoll_ctl_wrapper |
1232 | sys_epoll_ctl_wrapper: | 1232 | sys_epoll_ctl_wrapper: |
1233 | lgfr %r2,%r2 # int | 1233 | lgfr %r2,%r2 # int |
1234 | lgfr %r3,%r3 # int | 1234 | lgfr %r3,%r3 # int |
@@ -1236,7 +1236,7 @@ sys_epoll_ctl_wrapper: | |||
1236 | llgtr %r5,%r5 # struct epoll_event * | 1236 | llgtr %r5,%r5 # struct epoll_event * |
1237 | jg sys_epoll_ctl # branch to system call | 1237 | jg sys_epoll_ctl # branch to system call |
1238 | 1238 | ||
1239 | .globl sys_epoll_wait_wrapper | 1239 | .globl sys_epoll_wait_wrapper |
1240 | sys_epoll_wait_wrapper: | 1240 | sys_epoll_wait_wrapper: |
1241 | lgfr %r2,%r2 # int | 1241 | lgfr %r2,%r2 # int |
1242 | llgtr %r3,%r3 # struct epoll_event * | 1242 | llgtr %r3,%r3 # struct epoll_event * |
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index 0c712b78a7e8..dddc3de30401 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S | |||
@@ -4,8 +4,8 @@ | |||
4 | * | 4 | * |
5 | * Copyright (C) IBM Corp. 1999,2006 | 5 | * Copyright (C) IBM Corp. 1999,2006 |
6 | * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com), | 6 | * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com), |
7 | * Hartmut Penner (hp@de.ibm.com), | 7 | * Hartmut Penner (hp@de.ibm.com), |
8 | * Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com), | 8 | * Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com), |
9 | * Heiko Carstens <heiko.carstens@de.ibm.com> | 9 | * Heiko Carstens <heiko.carstens@de.ibm.com> |
10 | */ | 10 | */ |
11 | 11 | ||
@@ -24,29 +24,29 @@ | |||
24 | * Stack layout for the system_call stack entry. | 24 | * Stack layout for the system_call stack entry. |
25 | * The first few entries are identical to the user_regs_struct. | 25 | * The first few entries are identical to the user_regs_struct. |
26 | */ | 26 | */ |
27 | SP_PTREGS = STACK_FRAME_OVERHEAD | 27 | SP_PTREGS = STACK_FRAME_OVERHEAD |
28 | SP_ARGS = STACK_FRAME_OVERHEAD + __PT_ARGS | 28 | SP_ARGS = STACK_FRAME_OVERHEAD + __PT_ARGS |
29 | SP_PSW = STACK_FRAME_OVERHEAD + __PT_PSW | 29 | SP_PSW = STACK_FRAME_OVERHEAD + __PT_PSW |
30 | SP_R0 = STACK_FRAME_OVERHEAD + __PT_GPRS | 30 | SP_R0 = STACK_FRAME_OVERHEAD + __PT_GPRS |
31 | SP_R1 = STACK_FRAME_OVERHEAD + __PT_GPRS + 4 | 31 | SP_R1 = STACK_FRAME_OVERHEAD + __PT_GPRS + 4 |
32 | SP_R2 = STACK_FRAME_OVERHEAD + __PT_GPRS + 8 | 32 | SP_R2 = STACK_FRAME_OVERHEAD + __PT_GPRS + 8 |
33 | SP_R3 = STACK_FRAME_OVERHEAD + __PT_GPRS + 12 | 33 | SP_R3 = STACK_FRAME_OVERHEAD + __PT_GPRS + 12 |
34 | SP_R4 = STACK_FRAME_OVERHEAD + __PT_GPRS + 16 | 34 | SP_R4 = STACK_FRAME_OVERHEAD + __PT_GPRS + 16 |
35 | SP_R5 = STACK_FRAME_OVERHEAD + __PT_GPRS + 20 | 35 | SP_R5 = STACK_FRAME_OVERHEAD + __PT_GPRS + 20 |
36 | SP_R6 = STACK_FRAME_OVERHEAD + __PT_GPRS + 24 | 36 | SP_R6 = STACK_FRAME_OVERHEAD + __PT_GPRS + 24 |
37 | SP_R7 = STACK_FRAME_OVERHEAD + __PT_GPRS + 28 | 37 | SP_R7 = STACK_FRAME_OVERHEAD + __PT_GPRS + 28 |
38 | SP_R8 = STACK_FRAME_OVERHEAD + __PT_GPRS + 32 | 38 | SP_R8 = STACK_FRAME_OVERHEAD + __PT_GPRS + 32 |
39 | SP_R9 = STACK_FRAME_OVERHEAD + __PT_GPRS + 36 | 39 | SP_R9 = STACK_FRAME_OVERHEAD + __PT_GPRS + 36 |
40 | SP_R10 = STACK_FRAME_OVERHEAD + __PT_GPRS + 40 | 40 | SP_R10 = STACK_FRAME_OVERHEAD + __PT_GPRS + 40 |
41 | SP_R11 = STACK_FRAME_OVERHEAD + __PT_GPRS + 44 | 41 | SP_R11 = STACK_FRAME_OVERHEAD + __PT_GPRS + 44 |
42 | SP_R12 = STACK_FRAME_OVERHEAD + __PT_GPRS + 48 | 42 | SP_R12 = STACK_FRAME_OVERHEAD + __PT_GPRS + 48 |
43 | SP_R13 = STACK_FRAME_OVERHEAD + __PT_GPRS + 52 | 43 | SP_R13 = STACK_FRAME_OVERHEAD + __PT_GPRS + 52 |
44 | SP_R14 = STACK_FRAME_OVERHEAD + __PT_GPRS + 56 | 44 | SP_R14 = STACK_FRAME_OVERHEAD + __PT_GPRS + 56 |
45 | SP_R15 = STACK_FRAME_OVERHEAD + __PT_GPRS + 60 | 45 | SP_R15 = STACK_FRAME_OVERHEAD + __PT_GPRS + 60 |
46 | SP_ORIG_R2 = STACK_FRAME_OVERHEAD + __PT_ORIG_GPR2 | 46 | SP_ORIG_R2 = STACK_FRAME_OVERHEAD + __PT_ORIG_GPR2 |
47 | SP_ILC = STACK_FRAME_OVERHEAD + __PT_ILC | 47 | SP_ILC = STACK_FRAME_OVERHEAD + __PT_ILC |
48 | SP_TRAP = STACK_FRAME_OVERHEAD + __PT_TRAP | 48 | SP_TRAP = STACK_FRAME_OVERHEAD + __PT_TRAP |
49 | SP_SIZE = STACK_FRAME_OVERHEAD + __PT_SIZE | 49 | SP_SIZE = STACK_FRAME_OVERHEAD + __PT_SIZE |
50 | 50 | ||
51 | _TIF_WORK_SVC = (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | _TIF_NEED_RESCHED | \ | 51 | _TIF_WORK_SVC = (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | _TIF_NEED_RESCHED | \ |
52 | _TIF_MCCK_PENDING | _TIF_RESTART_SVC | _TIF_SINGLE_STEP ) | 52 | _TIF_MCCK_PENDING | _TIF_RESTART_SVC | _TIF_SINGLE_STEP ) |
@@ -81,14 +81,14 @@ STACK_SIZE = 1 << STACK_SHIFT | |||
81 | * R15 - kernel stack pointer | 81 | * R15 - kernel stack pointer |
82 | */ | 82 | */ |
83 | 83 | ||
84 | .macro STORE_TIMER lc_offset | 84 | .macro STORE_TIMER lc_offset |
85 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING | 85 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING |
86 | stpt \lc_offset | 86 | stpt \lc_offset |
87 | #endif | 87 | #endif |
88 | .endm | 88 | .endm |
89 | 89 | ||
90 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING | 90 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING |
91 | .macro UPDATE_VTIME lc_from,lc_to,lc_sum | 91 | .macro UPDATE_VTIME lc_from,lc_to,lc_sum |
92 | lm %r10,%r11,\lc_from | 92 | lm %r10,%r11,\lc_from |
93 | sl %r10,\lc_to | 93 | sl %r10,\lc_to |
94 | sl %r11,\lc_to+4 | 94 | sl %r11,\lc_to+4 |
@@ -147,7 +147,7 @@ STACK_SIZE = 1 << STACK_SHIFT | |||
147 | 2: | 147 | 2: |
148 | .endm | 148 | .endm |
149 | 149 | ||
150 | .macro CREATE_STACK_FRAME psworg,savearea | 150 | .macro CREATE_STACK_FRAME psworg,savearea |
151 | s %r15,BASED(.Lc_spsize) # make room for registers & psw | 151 | s %r15,BASED(.Lc_spsize) # make room for registers & psw |
152 | mvc SP_PSW(8,%r15),0(%r12) # move user PSW to stack | 152 | mvc SP_PSW(8,%r15),0(%r12) # move user PSW to stack |
153 | la %r12,\psworg | 153 | la %r12,\psworg |
@@ -160,7 +160,7 @@ STACK_SIZE = 1 << STACK_SHIFT | |||
160 | st %r12,__SF_BACKCHAIN(%r15) # clear back chain | 160 | st %r12,__SF_BACKCHAIN(%r15) # clear back chain |
161 | .endm | 161 | .endm |
162 | 162 | ||
163 | .macro RESTORE_ALL psworg,sync | 163 | .macro RESTORE_ALL psworg,sync |
164 | mvc \psworg(8),SP_PSW(%r15) # move user PSW to lowcore | 164 | mvc \psworg(8),SP_PSW(%r15) # move user PSW to lowcore |
165 | .if !\sync | 165 | .if !\sync |
166 | ni \psworg+1,0xfd # clear wait state bit | 166 | ni \psworg+1,0xfd # clear wait state bit |
@@ -177,16 +177,16 @@ STACK_SIZE = 1 << STACK_SHIFT | |||
177 | * Returns: | 177 | * Returns: |
178 | * gpr2 = prev | 178 | * gpr2 = prev |
179 | */ | 179 | */ |
180 | .globl __switch_to | 180 | .globl __switch_to |
181 | __switch_to: | 181 | __switch_to: |
182 | basr %r1,0 | 182 | basr %r1,0 |
183 | __switch_to_base: | 183 | __switch_to_base: |
184 | tm __THREAD_per(%r3),0xe8 # new process is using per ? | 184 | tm __THREAD_per(%r3),0xe8 # new process is using per ? |
185 | bz __switch_to_noper-__switch_to_base(%r1) # if not we're fine | 185 | bz __switch_to_noper-__switch_to_base(%r1) # if not we're fine |
186 | stctl %c9,%c11,__SF_EMPTY(%r15) # We are using per stuff | 186 | stctl %c9,%c11,__SF_EMPTY(%r15) # We are using per stuff |
187 | clc __THREAD_per(12,%r3),__SF_EMPTY(%r15) | 187 | clc __THREAD_per(12,%r3),__SF_EMPTY(%r15) |
188 | be __switch_to_noper-__switch_to_base(%r1) # we got away w/o bashing TLB's | 188 | be __switch_to_noper-__switch_to_base(%r1) # we got away w/o bashing TLB's |
189 | lctl %c9,%c11,__THREAD_per(%r3) # Nope we didn't | 189 | lctl %c9,%c11,__THREAD_per(%r3) # Nope we didn't |
190 | __switch_to_noper: | 190 | __switch_to_noper: |
191 | l %r4,__THREAD_info(%r2) # get thread_info of prev | 191 | l %r4,__THREAD_info(%r2) # get thread_info of prev |
192 | tm __TI_flags+3(%r4),_TIF_MCCK_PENDING # machine check pending? | 192 | tm __TI_flags+3(%r4),_TIF_MCCK_PENDING # machine check pending? |
@@ -195,13 +195,13 @@ __switch_to_noper: | |||
195 | l %r4,__THREAD_info(%r3) # get thread_info of next | 195 | l %r4,__THREAD_info(%r3) # get thread_info of next |
196 | oi __TI_flags+3(%r4),_TIF_MCCK_PENDING # set it in next | 196 | oi __TI_flags+3(%r4),_TIF_MCCK_PENDING # set it in next |
197 | __switch_to_no_mcck: | 197 | __switch_to_no_mcck: |
198 | stm %r6,%r15,__SF_GPRS(%r15)# store __switch_to registers of prev task | 198 | stm %r6,%r15,__SF_GPRS(%r15)# store __switch_to registers of prev task |
199 | st %r15,__THREAD_ksp(%r2) # store kernel stack to prev->tss.ksp | 199 | st %r15,__THREAD_ksp(%r2) # store kernel stack to prev->tss.ksp |
200 | l %r15,__THREAD_ksp(%r3) # load kernel stack from next->tss.ksp | 200 | l %r15,__THREAD_ksp(%r3) # load kernel stack from next->tss.ksp |
201 | lm %r6,%r15,__SF_GPRS(%r15)# load __switch_to registers of next task | 201 | lm %r6,%r15,__SF_GPRS(%r15)# load __switch_to registers of next task |
202 | st %r3,__LC_CURRENT # __LC_CURRENT = current task struct | 202 | st %r3,__LC_CURRENT # __LC_CURRENT = current task struct |
203 | lctl %c4,%c4,__TASK_pid(%r3) # load pid to control reg. 4 | 203 | lctl %c4,%c4,__TASK_pid(%r3) # load pid to control reg. 4 |
204 | l %r3,__THREAD_info(%r3) # load thread_info from task struct | 204 | l %r3,__THREAD_info(%r3) # load thread_info from task struct |
205 | st %r3,__LC_THREAD_INFO | 205 | st %r3,__LC_THREAD_INFO |
206 | ahi %r3,STACK_SIZE | 206 | ahi %r3,STACK_SIZE |
207 | st %r3,__LC_KERNEL_STACK # __LC_KERNEL_STACK = new kernel stack | 207 | st %r3,__LC_KERNEL_STACK # __LC_KERNEL_STACK = new kernel stack |
@@ -213,7 +213,7 @@ __critical_start: | |||
213 | * are executed with interrupts enabled. | 213 | * are executed with interrupts enabled. |
214 | */ | 214 | */ |
215 | 215 | ||
216 | .globl system_call | 216 | .globl system_call |
217 | system_call: | 217 | system_call: |
218 | STORE_TIMER __LC_SYNC_ENTER_TIMER | 218 | STORE_TIMER __LC_SYNC_ENTER_TIMER |
219 | sysc_saveall: | 219 | sysc_saveall: |
@@ -233,24 +233,24 @@ sysc_update: | |||
233 | #endif | 233 | #endif |
234 | sysc_do_svc: | 234 | sysc_do_svc: |
235 | l %r9,__LC_THREAD_INFO # load pointer to thread_info struct | 235 | l %r9,__LC_THREAD_INFO # load pointer to thread_info struct |
236 | sla %r7,2 # *4 and test for svc 0 | 236 | sla %r7,2 # *4 and test for svc 0 |
237 | bnz BASED(sysc_nr_ok) # svc number > 0 | 237 | bnz BASED(sysc_nr_ok) # svc number > 0 |
238 | # svc 0: system call number in %r1 | 238 | # svc 0: system call number in %r1 |
239 | cl %r1,BASED(.Lnr_syscalls) | 239 | cl %r1,BASED(.Lnr_syscalls) |
240 | bnl BASED(sysc_nr_ok) | 240 | bnl BASED(sysc_nr_ok) |
241 | lr %r7,%r1 # copy svc number to %r7 | 241 | lr %r7,%r1 # copy svc number to %r7 |
242 | sla %r7,2 # *4 | 242 | sla %r7,2 # *4 |
243 | sysc_nr_ok: | 243 | sysc_nr_ok: |
244 | mvc SP_ARGS(4,%r15),SP_R7(%r15) | 244 | mvc SP_ARGS(4,%r15),SP_R7(%r15) |
245 | sysc_do_restart: | 245 | sysc_do_restart: |
246 | l %r8,BASED(.Lsysc_table) | 246 | l %r8,BASED(.Lsysc_table) |
247 | tm __TI_flags+3(%r9),(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT) | 247 | tm __TI_flags+3(%r9),(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT) |
248 | l %r8,0(%r7,%r8) # get system call addr. | 248 | l %r8,0(%r7,%r8) # get system call addr. |
249 | bnz BASED(sysc_tracesys) | 249 | bnz BASED(sysc_tracesys) |
250 | basr %r14,%r8 # call sys_xxxx | 250 | basr %r14,%r8 # call sys_xxxx |
251 | st %r2,SP_R2(%r15) # store return value (change R2 on stack) | 251 | st %r2,SP_R2(%r15) # store return value (change R2 on stack) |
252 | # ATTENTION: check sys_execve_glue before | 252 | # ATTENTION: check sys_execve_glue before |
253 | # changing anything here !! | 253 | # changing anything here !! |
254 | 254 | ||
255 | sysc_return: | 255 | sysc_return: |
256 | tm SP_PSW+1(%r15),0x01 # returning to user ? | 256 | tm SP_PSW+1(%r15),0x01 # returning to user ? |
@@ -258,14 +258,14 @@ sysc_return: | |||
258 | tm __TI_flags+3(%r9),_TIF_WORK_SVC | 258 | tm __TI_flags+3(%r9),_TIF_WORK_SVC |
259 | bnz BASED(sysc_work) # there is work to do (signals etc.) | 259 | bnz BASED(sysc_work) # there is work to do (signals etc.) |
260 | sysc_leave: | 260 | sysc_leave: |
261 | RESTORE_ALL __LC_RETURN_PSW,1 | 261 | RESTORE_ALL __LC_RETURN_PSW,1 |
262 | 262 | ||
263 | # | 263 | # |
264 | # recheck if there is more work to do | 264 | # recheck if there is more work to do |
265 | # | 265 | # |
266 | sysc_work_loop: | 266 | sysc_work_loop: |
267 | tm __TI_flags+3(%r9),_TIF_WORK_SVC | 267 | tm __TI_flags+3(%r9),_TIF_WORK_SVC |
268 | bz BASED(sysc_leave) # there is no work to do | 268 | bz BASED(sysc_leave) # there is no work to do |
269 | # | 269 | # |
270 | # One of the work bits is on. Find out which one. | 270 | # One of the work bits is on. Find out which one. |
271 | # | 271 | # |
@@ -284,11 +284,11 @@ sysc_work: | |||
284 | 284 | ||
285 | # | 285 | # |
286 | # _TIF_NEED_RESCHED is set, call schedule | 286 | # _TIF_NEED_RESCHED is set, call schedule |
287 | # | 287 | # |
288 | sysc_reschedule: | 288 | sysc_reschedule: |
289 | l %r1,BASED(.Lschedule) | 289 | l %r1,BASED(.Lschedule) |
290 | la %r14,BASED(sysc_work_loop) | 290 | la %r14,BASED(sysc_work_loop) |
291 | br %r1 # call scheduler | 291 | br %r1 # call scheduler |
292 | 292 | ||
293 | # | 293 | # |
294 | # _TIF_MCCK_PENDING is set, call handler | 294 | # _TIF_MCCK_PENDING is set, call handler |
@@ -301,11 +301,11 @@ sysc_mcck_pending: | |||
301 | # | 301 | # |
302 | # _TIF_SIGPENDING or _TIF_RESTORE_SIGMASK is set, call do_signal | 302 | # _TIF_SIGPENDING or _TIF_RESTORE_SIGMASK is set, call do_signal |
303 | # | 303 | # |
304 | sysc_sigpending: | 304 | sysc_sigpending: |
305 | ni __TI_flags+3(%r9),255-_TIF_SINGLE_STEP # clear TIF_SINGLE_STEP | 305 | ni __TI_flags+3(%r9),255-_TIF_SINGLE_STEP # clear TIF_SINGLE_STEP |
306 | la %r2,SP_PTREGS(%r15) # load pt_regs | 306 | la %r2,SP_PTREGS(%r15) # load pt_regs |
307 | l %r1,BASED(.Ldo_signal) | 307 | l %r1,BASED(.Ldo_signal) |
308 | basr %r14,%r1 # call do_signal | 308 | basr %r14,%r1 # call do_signal |
309 | tm __TI_flags+3(%r9),_TIF_RESTART_SVC | 309 | tm __TI_flags+3(%r9),_TIF_RESTART_SVC |
310 | bo BASED(sysc_restart) | 310 | bo BASED(sysc_restart) |
311 | tm __TI_flags+3(%r9),_TIF_SINGLE_STEP | 311 | tm __TI_flags+3(%r9),_TIF_SINGLE_STEP |
@@ -317,11 +317,11 @@ sysc_sigpending: | |||
317 | # | 317 | # |
318 | sysc_restart: | 318 | sysc_restart: |
319 | ni __TI_flags+3(%r9),255-_TIF_RESTART_SVC # clear TIF_RESTART_SVC | 319 | ni __TI_flags+3(%r9),255-_TIF_RESTART_SVC # clear TIF_RESTART_SVC |
320 | l %r7,SP_R2(%r15) # load new svc number | 320 | l %r7,SP_R2(%r15) # load new svc number |
321 | sla %r7,2 | 321 | sla %r7,2 |
322 | mvc SP_R2(4,%r15),SP_ORIG_R2(%r15) # restore first argument | 322 | mvc SP_R2(4,%r15),SP_ORIG_R2(%r15) # restore first argument |
323 | lm %r2,%r6,SP_R2(%r15) # load svc arguments | 323 | lm %r2,%r6,SP_R2(%r15) # load svc arguments |
324 | b BASED(sysc_do_restart) # restart svc | 324 | b BASED(sysc_do_restart) # restart svc |
325 | 325 | ||
326 | # | 326 | # |
327 | # _TIF_SINGLE_STEP is set, call do_single_step | 327 | # _TIF_SINGLE_STEP is set, call do_single_step |
@@ -338,8 +338,8 @@ sysc_singlestep: | |||
338 | # call trace before and after sys_call | 338 | # call trace before and after sys_call |
339 | # | 339 | # |
340 | sysc_tracesys: | 340 | sysc_tracesys: |
341 | l %r1,BASED(.Ltrace) | 341 | l %r1,BASED(.Ltrace) |
342 | la %r2,SP_PTREGS(%r15) # load pt_regs | 342 | la %r2,SP_PTREGS(%r15) # load pt_regs |
343 | la %r3,0 | 343 | la %r3,0 |
344 | srl %r7,2 | 344 | srl %r7,2 |
345 | st %r7,SP_R2(%r15) | 345 | st %r7,SP_R2(%r15) |
@@ -347,19 +347,19 @@ sysc_tracesys: | |||
347 | clc SP_R2(4,%r15),BASED(.Lnr_syscalls) | 347 | clc SP_R2(4,%r15),BASED(.Lnr_syscalls) |
348 | bnl BASED(sysc_tracenogo) | 348 | bnl BASED(sysc_tracenogo) |
349 | l %r8,BASED(.Lsysc_table) | 349 | l %r8,BASED(.Lsysc_table) |
350 | l %r7,SP_R2(%r15) # strace might have changed the | 350 | l %r7,SP_R2(%r15) # strace might have changed the |
351 | sll %r7,2 # system call | 351 | sll %r7,2 # system call |
352 | l %r8,0(%r7,%r8) | 352 | l %r8,0(%r7,%r8) |
353 | sysc_tracego: | 353 | sysc_tracego: |
354 | lm %r3,%r6,SP_R3(%r15) | 354 | lm %r3,%r6,SP_R3(%r15) |
355 | l %r2,SP_ORIG_R2(%r15) | 355 | l %r2,SP_ORIG_R2(%r15) |
356 | basr %r14,%r8 # call sys_xxx | 356 | basr %r14,%r8 # call sys_xxx |
357 | st %r2,SP_R2(%r15) # store return value | 357 | st %r2,SP_R2(%r15) # store return value |
358 | sysc_tracenogo: | 358 | sysc_tracenogo: |
359 | tm __TI_flags+3(%r9),(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT) | 359 | tm __TI_flags+3(%r9),(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT) |
360 | bz BASED(sysc_return) | 360 | bz BASED(sysc_return) |
361 | l %r1,BASED(.Ltrace) | 361 | l %r1,BASED(.Ltrace) |
362 | la %r2,SP_PTREGS(%r15) # load pt_regs | 362 | la %r2,SP_PTREGS(%r15) # load pt_regs |
363 | la %r3,1 | 363 | la %r3,1 |
364 | la %r14,BASED(sysc_return) | 364 | la %r14,BASED(sysc_return) |
365 | br %r1 | 365 | br %r1 |
@@ -367,17 +367,17 @@ sysc_tracenogo: | |||
367 | # | 367 | # |
368 | # a new process exits the kernel with ret_from_fork | 368 | # a new process exits the kernel with ret_from_fork |
369 | # | 369 | # |
370 | .globl ret_from_fork | 370 | .globl ret_from_fork |
371 | ret_from_fork: | 371 | ret_from_fork: |
372 | l %r13,__LC_SVC_NEW_PSW+4 | 372 | l %r13,__LC_SVC_NEW_PSW+4 |
373 | l %r9,__LC_THREAD_INFO # load pointer to thread_info struct | 373 | l %r9,__LC_THREAD_INFO # load pointer to thread_info struct |
374 | tm SP_PSW+1(%r15),0x01 # forking a kernel thread ? | 374 | tm SP_PSW+1(%r15),0x01 # forking a kernel thread ? |
375 | bo BASED(0f) | 375 | bo BASED(0f) |
376 | st %r15,SP_R15(%r15) # store stack pointer for new kthread | 376 | st %r15,SP_R15(%r15) # store stack pointer for new kthread |
377 | 0: l %r1,BASED(.Lschedtail) | 377 | 0: l %r1,BASED(.Lschedtail) |
378 | basr %r14,%r1 | 378 | basr %r14,%r1 |
379 | TRACE_IRQS_ON | 379 | TRACE_IRQS_ON |
380 | stosm __SF_EMPTY(%r15),0x03 # reenable interrupts | 380 | stosm __SF_EMPTY(%r15),0x03 # reenable interrupts |
381 | b BASED(sysc_return) | 381 | b BASED(sysc_return) |
382 | 382 | ||
383 | # | 383 | # |
@@ -386,52 +386,51 @@ ret_from_fork: | |||
386 | # but are called with different parameter. | 386 | # but are called with different parameter. |
387 | # return-address is set up above | 387 | # return-address is set up above |
388 | # | 388 | # |
389 | sys_clone_glue: | 389 | sys_clone_glue: |
390 | la %r2,SP_PTREGS(%r15) # load pt_regs | 390 | la %r2,SP_PTREGS(%r15) # load pt_regs |
391 | l %r1,BASED(.Lclone) | 391 | l %r1,BASED(.Lclone) |
392 | br %r1 # branch to sys_clone | 392 | br %r1 # branch to sys_clone |
393 | |||
394 | sys_fork_glue: | ||
395 | la %r2,SP_PTREGS(%r15) # load pt_regs | ||
396 | l %r1,BASED(.Lfork) | ||
397 | br %r1 # branch to sys_fork | ||
398 | |||
399 | sys_vfork_glue: | ||
400 | la %r2,SP_PTREGS(%r15) # load pt_regs | ||
401 | l %r1,BASED(.Lvfork) | ||
402 | br %r1 # branch to sys_vfork | ||
403 | |||
404 | sys_execve_glue: | ||
405 | la %r2,SP_PTREGS(%r15) # load pt_regs | ||
406 | l %r1,BASED(.Lexecve) | ||
407 | lr %r12,%r14 # save return address | ||
408 | basr %r14,%r1 # call sys_execve | ||
409 | ltr %r2,%r2 # check if execve failed | ||
410 | bnz 0(%r12) # it did fail -> store result in gpr2 | ||
411 | b 4(%r12) # SKIP ST 2,SP_R2(15) after BASR 14,8 | ||
412 | # in system_call/sysc_tracesys | ||
413 | |||
414 | sys_sigreturn_glue: | ||
415 | la %r2,SP_PTREGS(%r15) # load pt_regs as parameter | ||
416 | l %r1,BASED(.Lsigreturn) | ||
417 | br %r1 # branch to sys_sigreturn | ||
418 | |||
419 | sys_rt_sigreturn_glue: | ||
420 | la %r2,SP_PTREGS(%r15) # load pt_regs as parameter | ||
421 | l %r1,BASED(.Lrt_sigreturn) | ||
422 | br %r1 # branch to sys_sigreturn | ||
423 | 393 | ||
424 | sys_sigaltstack_glue: | 394 | sys_fork_glue: |
425 | la %r4,SP_PTREGS(%r15) # load pt_regs as parameter | 395 | la %r2,SP_PTREGS(%r15) # load pt_regs |
426 | l %r1,BASED(.Lsigaltstack) | 396 | l %r1,BASED(.Lfork) |
427 | br %r1 # branch to sys_sigreturn | 397 | br %r1 # branch to sys_fork |
428 | 398 | ||
399 | sys_vfork_glue: | ||
400 | la %r2,SP_PTREGS(%r15) # load pt_regs | ||
401 | l %r1,BASED(.Lvfork) | ||
402 | br %r1 # branch to sys_vfork | ||
403 | |||
404 | sys_execve_glue: | ||
405 | la %r2,SP_PTREGS(%r15) # load pt_regs | ||
406 | l %r1,BASED(.Lexecve) | ||
407 | lr %r12,%r14 # save return address | ||
408 | basr %r14,%r1 # call sys_execve | ||
409 | ltr %r2,%r2 # check if execve failed | ||
410 | bnz 0(%r12) # it did fail -> store result in gpr2 | ||
411 | b 4(%r12) # SKIP ST 2,SP_R2(15) after BASR 14,8 | ||
412 | # in system_call/sysc_tracesys | ||
413 | |||
414 | sys_sigreturn_glue: | ||
415 | la %r2,SP_PTREGS(%r15) # load pt_regs as parameter | ||
416 | l %r1,BASED(.Lsigreturn) | ||
417 | br %r1 # branch to sys_sigreturn | ||
418 | |||
419 | sys_rt_sigreturn_glue: | ||
420 | la %r2,SP_PTREGS(%r15) # load pt_regs as parameter | ||
421 | l %r1,BASED(.Lrt_sigreturn) | ||
422 | br %r1 # branch to sys_sigreturn | ||
423 | |||
424 | sys_sigaltstack_glue: | ||
425 | la %r4,SP_PTREGS(%r15) # load pt_regs as parameter | ||
426 | l %r1,BASED(.Lsigaltstack) | ||
427 | br %r1 # branch to sys_sigreturn | ||
429 | 428 | ||
430 | /* | 429 | /* |
431 | * Program check handler routine | 430 | * Program check handler routine |
432 | */ | 431 | */ |
433 | 432 | ||
434 | .globl pgm_check_handler | 433 | .globl pgm_check_handler |
435 | pgm_check_handler: | 434 | pgm_check_handler: |
436 | /* | 435 | /* |
437 | * First we need to check for a special case: | 436 | * First we need to check for a special case: |
@@ -448,8 +447,8 @@ pgm_check_handler: | |||
448 | */ | 447 | */ |
449 | STORE_TIMER __LC_SYNC_ENTER_TIMER | 448 | STORE_TIMER __LC_SYNC_ENTER_TIMER |
450 | SAVE_ALL_BASE __LC_SAVE_AREA | 449 | SAVE_ALL_BASE __LC_SAVE_AREA |
451 | tm __LC_PGM_INT_CODE+1,0x80 # check whether we got a per exception | 450 | tm __LC_PGM_INT_CODE+1,0x80 # check whether we got a per exception |
452 | bnz BASED(pgm_per) # got per exception -> special case | 451 | bnz BASED(pgm_per) # got per exception -> special case |
453 | SAVE_ALL_SYNC __LC_PGM_OLD_PSW,__LC_SAVE_AREA | 452 | SAVE_ALL_SYNC __LC_PGM_OLD_PSW,__LC_SAVE_AREA |
454 | CREATE_STACK_FRAME __LC_PGM_OLD_PSW,__LC_SAVE_AREA | 453 | CREATE_STACK_FRAME __LC_PGM_OLD_PSW,__LC_SAVE_AREA |
455 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING | 454 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING |
@@ -461,29 +460,29 @@ pgm_check_handler: | |||
461 | pgm_no_vtime: | 460 | pgm_no_vtime: |
462 | #endif | 461 | #endif |
463 | l %r9,__LC_THREAD_INFO # load pointer to thread_info struct | 462 | l %r9,__LC_THREAD_INFO # load pointer to thread_info struct |
464 | l %r3,__LC_PGM_ILC # load program interruption code | 463 | l %r3,__LC_PGM_ILC # load program interruption code |
465 | la %r8,0x7f | 464 | la %r8,0x7f |
466 | nr %r8,%r3 | 465 | nr %r8,%r3 |
467 | pgm_do_call: | 466 | pgm_do_call: |
468 | l %r7,BASED(.Ljump_table) | 467 | l %r7,BASED(.Ljump_table) |
469 | sll %r8,2 | 468 | sll %r8,2 |
470 | l %r7,0(%r8,%r7) # load address of handler routine | 469 | l %r7,0(%r8,%r7) # load address of handler routine |
471 | la %r2,SP_PTREGS(%r15) # address of register-save area | 470 | la %r2,SP_PTREGS(%r15) # address of register-save area |
472 | la %r14,BASED(sysc_return) | 471 | la %r14,BASED(sysc_return) |
473 | br %r7 # branch to interrupt-handler | 472 | br %r7 # branch to interrupt-handler |
474 | 473 | ||
475 | # | 474 | # |
476 | # handle per exception | 475 | # handle per exception |
477 | # | 476 | # |
478 | pgm_per: | 477 | pgm_per: |
479 | tm __LC_PGM_OLD_PSW,0x40 # test if per event recording is on | 478 | tm __LC_PGM_OLD_PSW,0x40 # test if per event recording is on |
480 | bnz BASED(pgm_per_std) # ok, normal per event from user space | 479 | bnz BASED(pgm_per_std) # ok, normal per event from user space |
481 | # ok its one of the special cases, now we need to find out which one | 480 | # ok its one of the special cases, now we need to find out which one |
482 | clc __LC_PGM_OLD_PSW(8),__LC_SVC_NEW_PSW | 481 | clc __LC_PGM_OLD_PSW(8),__LC_SVC_NEW_PSW |
483 | be BASED(pgm_svcper) | 482 | be BASED(pgm_svcper) |
484 | # no interesting special case, ignore PER event | 483 | # no interesting special case, ignore PER event |
485 | lm %r12,%r15,__LC_SAVE_AREA | 484 | lm %r12,%r15,__LC_SAVE_AREA |
486 | lpsw 0x28 | 485 | lpsw 0x28 |
487 | 486 | ||
488 | # | 487 | # |
489 | # Normal per exception | 488 | # Normal per exception |
@@ -507,10 +506,10 @@ pgm_no_vtime2: | |||
507 | oi __TI_flags+3(%r9),_TIF_SINGLE_STEP # set TIF_SINGLE_STEP | 506 | oi __TI_flags+3(%r9),_TIF_SINGLE_STEP # set TIF_SINGLE_STEP |
508 | tm SP_PSW+1(%r15),0x01 # kernel per event ? | 507 | tm SP_PSW+1(%r15),0x01 # kernel per event ? |
509 | bz BASED(kernel_per) | 508 | bz BASED(kernel_per) |
510 | l %r3,__LC_PGM_ILC # load program interruption code | 509 | l %r3,__LC_PGM_ILC # load program interruption code |
511 | la %r8,0x7f | 510 | la %r8,0x7f |
512 | nr %r8,%r3 # clear per-event-bit and ilc | 511 | nr %r8,%r3 # clear per-event-bit and ilc |
513 | be BASED(sysc_return) # only per or per+check ? | 512 | be BASED(sysc_return) # only per or per+check ? |
514 | b BASED(pgm_do_call) | 513 | b BASED(pgm_do_call) |
515 | 514 | ||
516 | # | 515 | # |
@@ -552,7 +551,7 @@ kernel_per: | |||
552 | * IO interrupt handler routine | 551 | * IO interrupt handler routine |
553 | */ | 552 | */ |
554 | 553 | ||
555 | .globl io_int_handler | 554 | .globl io_int_handler |
556 | io_int_handler: | 555 | io_int_handler: |
557 | STORE_TIMER __LC_ASYNC_ENTER_TIMER | 556 | STORE_TIMER __LC_ASYNC_ENTER_TIMER |
558 | stck __LC_INT_CLOCK | 557 | stck __LC_INT_CLOCK |
@@ -569,42 +568,42 @@ io_no_vtime: | |||
569 | #endif | 568 | #endif |
570 | l %r9,__LC_THREAD_INFO # load pointer to thread_info struct | 569 | l %r9,__LC_THREAD_INFO # load pointer to thread_info struct |
571 | TRACE_IRQS_OFF | 570 | TRACE_IRQS_OFF |
572 | l %r1,BASED(.Ldo_IRQ) # load address of do_IRQ | 571 | l %r1,BASED(.Ldo_IRQ) # load address of do_IRQ |
573 | la %r2,SP_PTREGS(%r15) # address of register-save area | 572 | la %r2,SP_PTREGS(%r15) # address of register-save area |
574 | basr %r14,%r1 # branch to standard irq handler | 573 | basr %r14,%r1 # branch to standard irq handler |
575 | TRACE_IRQS_ON | 574 | TRACE_IRQS_ON |
576 | 575 | ||
577 | io_return: | 576 | io_return: |
578 | tm SP_PSW+1(%r15),0x01 # returning to user ? | 577 | tm SP_PSW+1(%r15),0x01 # returning to user ? |
579 | #ifdef CONFIG_PREEMPT | 578 | #ifdef CONFIG_PREEMPT |
580 | bno BASED(io_preempt) # no -> check for preemptive scheduling | 579 | bno BASED(io_preempt) # no -> check for preemptive scheduling |
581 | #else | 580 | #else |
582 | bno BASED(io_leave) # no-> skip resched & signal | 581 | bno BASED(io_leave) # no-> skip resched & signal |
583 | #endif | 582 | #endif |
584 | tm __TI_flags+3(%r9),_TIF_WORK_INT | 583 | tm __TI_flags+3(%r9),_TIF_WORK_INT |
585 | bnz BASED(io_work) # there is work to do (signals etc.) | 584 | bnz BASED(io_work) # there is work to do (signals etc.) |
586 | io_leave: | 585 | io_leave: |
587 | RESTORE_ALL __LC_RETURN_PSW,0 | 586 | RESTORE_ALL __LC_RETURN_PSW,0 |
588 | io_done: | 587 | io_done: |
589 | 588 | ||
590 | #ifdef CONFIG_PREEMPT | 589 | #ifdef CONFIG_PREEMPT |
591 | io_preempt: | 590 | io_preempt: |
592 | icm %r0,15,__TI_precount(%r9) | 591 | icm %r0,15,__TI_precount(%r9) |
593 | bnz BASED(io_leave) | 592 | bnz BASED(io_leave) |
594 | l %r1,SP_R15(%r15) | 593 | l %r1,SP_R15(%r15) |
595 | s %r1,BASED(.Lc_spsize) | 594 | s %r1,BASED(.Lc_spsize) |
596 | mvc SP_PTREGS(__PT_SIZE,%r1),SP_PTREGS(%r15) | 595 | mvc SP_PTREGS(__PT_SIZE,%r1),SP_PTREGS(%r15) |
597 | xc __SF_BACKCHAIN(4,%r1),__SF_BACKCHAIN(%r1) # clear back chain | 596 | xc __SF_BACKCHAIN(4,%r1),__SF_BACKCHAIN(%r1) # clear back chain |
598 | lr %r15,%r1 | 597 | lr %r15,%r1 |
599 | io_resume_loop: | 598 | io_resume_loop: |
600 | tm __TI_flags+3(%r9),_TIF_NEED_RESCHED | 599 | tm __TI_flags+3(%r9),_TIF_NEED_RESCHED |
601 | bno BASED(io_leave) | 600 | bno BASED(io_leave) |
602 | mvc __TI_precount(4,%r9),BASED(.Lc_pactive) | 601 | mvc __TI_precount(4,%r9),BASED(.Lc_pactive) |
603 | stosm __SF_EMPTY(%r15),0x03 # reenable interrupts | 602 | stosm __SF_EMPTY(%r15),0x03 # reenable interrupts |
604 | l %r1,BASED(.Lschedule) | 603 | l %r1,BASED(.Lschedule) |
605 | basr %r14,%r1 # call schedule | 604 | basr %r14,%r1 # call schedule |
606 | stnsm __SF_EMPTY(%r15),0xfc # disable I/O and ext. interrupts | 605 | stnsm __SF_EMPTY(%r15),0xfc # disable I/O and ext. interrupts |
607 | xc __TI_precount(4,%r9),__TI_precount(%r9) | 606 | xc __TI_precount(4,%r9),__TI_precount(%r9) |
608 | b BASED(io_resume_loop) | 607 | b BASED(io_resume_loop) |
609 | #endif | 608 | #endif |
610 | 609 | ||
@@ -615,16 +614,16 @@ io_work: | |||
615 | l %r1,__LC_KERNEL_STACK | 614 | l %r1,__LC_KERNEL_STACK |
616 | s %r1,BASED(.Lc_spsize) | 615 | s %r1,BASED(.Lc_spsize) |
617 | mvc SP_PTREGS(__PT_SIZE,%r1),SP_PTREGS(%r15) | 616 | mvc SP_PTREGS(__PT_SIZE,%r1),SP_PTREGS(%r15) |
618 | xc __SF_BACKCHAIN(4,%r1),__SF_BACKCHAIN(%r1) # clear back chain | 617 | xc __SF_BACKCHAIN(4,%r1),__SF_BACKCHAIN(%r1) # clear back chain |
619 | lr %r15,%r1 | 618 | lr %r15,%r1 |
620 | # | 619 | # |
621 | # One of the work bits is on. Find out which one. | 620 | # One of the work bits is on. Find out which one. |
622 | # Checked are: _TIF_SIGPENDING, _TIF_RESTORE_SIGMASK, _TIF_NEED_RESCHED | 621 | # Checked are: _TIF_SIGPENDING, _TIF_RESTORE_SIGMASK, _TIF_NEED_RESCHED |
623 | # and _TIF_MCCK_PENDING | 622 | # and _TIF_MCCK_PENDING |
624 | # | 623 | # |
625 | io_work_loop: | 624 | io_work_loop: |
626 | tm __TI_flags+3(%r9),_TIF_MCCK_PENDING | 625 | tm __TI_flags+3(%r9),_TIF_MCCK_PENDING |
627 | bo BASED(io_mcck_pending) | 626 | bo BASED(io_mcck_pending) |
628 | tm __TI_flags+3(%r9),_TIF_NEED_RESCHED | 627 | tm __TI_flags+3(%r9),_TIF_NEED_RESCHED |
629 | bo BASED(io_reschedule) | 628 | bo BASED(io_reschedule) |
630 | tm __TI_flags+3(%r9),(_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK) | 629 | tm __TI_flags+3(%r9),(_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK) |
@@ -637,36 +636,36 @@ io_work_loop: | |||
637 | io_mcck_pending: | 636 | io_mcck_pending: |
638 | l %r1,BASED(.Ls390_handle_mcck) | 637 | l %r1,BASED(.Ls390_handle_mcck) |
639 | la %r14,BASED(io_work_loop) | 638 | la %r14,BASED(io_work_loop) |
640 | br %r1 # TIF bit will be cleared by handler | 639 | br %r1 # TIF bit will be cleared by handler |
641 | 640 | ||
642 | # | 641 | # |
643 | # _TIF_NEED_RESCHED is set, call schedule | 642 | # _TIF_NEED_RESCHED is set, call schedule |
644 | # | 643 | # |
645 | io_reschedule: | 644 | io_reschedule: |
646 | l %r1,BASED(.Lschedule) | 645 | l %r1,BASED(.Lschedule) |
647 | stosm __SF_EMPTY(%r15),0x03 # reenable interrupts | 646 | stosm __SF_EMPTY(%r15),0x03 # reenable interrupts |
648 | basr %r14,%r1 # call scheduler | 647 | basr %r14,%r1 # call scheduler |
649 | stnsm __SF_EMPTY(%r15),0xfc # disable I/O and ext. interrupts | 648 | stnsm __SF_EMPTY(%r15),0xfc # disable I/O and ext. interrupts |
650 | tm __TI_flags+3(%r9),_TIF_WORK_INT | 649 | tm __TI_flags+3(%r9),_TIF_WORK_INT |
651 | bz BASED(io_leave) # there is no work to do | 650 | bz BASED(io_leave) # there is no work to do |
652 | b BASED(io_work_loop) | 651 | b BASED(io_work_loop) |
653 | 652 | ||
654 | # | 653 | # |
655 | # _TIF_SIGPENDING or _TIF_RESTORE_SIGMASK is set, call do_signal | 654 | # _TIF_SIGPENDING or _TIF_RESTORE_SIGMASK is set, call do_signal |
656 | # | 655 | # |
657 | io_sigpending: | 656 | io_sigpending: |
658 | stosm __SF_EMPTY(%r15),0x03 # reenable interrupts | 657 | stosm __SF_EMPTY(%r15),0x03 # reenable interrupts |
659 | la %r2,SP_PTREGS(%r15) # load pt_regs | 658 | la %r2,SP_PTREGS(%r15) # load pt_regs |
660 | l %r1,BASED(.Ldo_signal) | 659 | l %r1,BASED(.Ldo_signal) |
661 | basr %r14,%r1 # call do_signal | 660 | basr %r14,%r1 # call do_signal |
662 | stnsm __SF_EMPTY(%r15),0xfc # disable I/O and ext. interrupts | 661 | stnsm __SF_EMPTY(%r15),0xfc # disable I/O and ext. interrupts |
663 | b BASED(io_work_loop) | 662 | b BASED(io_work_loop) |
664 | 663 | ||
665 | /* | 664 | /* |
666 | * External interrupt handler routine | 665 | * External interrupt handler routine |
667 | */ | 666 | */ |
668 | 667 | ||
669 | .globl ext_int_handler | 668 | .globl ext_int_handler |
670 | ext_int_handler: | 669 | ext_int_handler: |
671 | STORE_TIMER __LC_ASYNC_ENTER_TIMER | 670 | STORE_TIMER __LC_ASYNC_ENTER_TIMER |
672 | stck __LC_INT_CLOCK | 671 | stck __LC_INT_CLOCK |
@@ -683,8 +682,8 @@ ext_no_vtime: | |||
683 | #endif | 682 | #endif |
684 | l %r9,__LC_THREAD_INFO # load pointer to thread_info struct | 683 | l %r9,__LC_THREAD_INFO # load pointer to thread_info struct |
685 | TRACE_IRQS_OFF | 684 | TRACE_IRQS_OFF |
686 | la %r2,SP_PTREGS(%r15) # address of register-save area | 685 | la %r2,SP_PTREGS(%r15) # address of register-save area |
687 | lh %r3,__LC_EXT_INT_CODE # get interruption code | 686 | lh %r3,__LC_EXT_INT_CODE # get interruption code |
688 | l %r1,BASED(.Ldo_extint) | 687 | l %r1,BASED(.Ldo_extint) |
689 | basr %r14,%r1 | 688 | basr %r14,%r1 |
690 | TRACE_IRQS_ON | 689 | TRACE_IRQS_ON |
@@ -696,13 +695,13 @@ __critical_end: | |||
696 | * Machine check handler routines | 695 | * Machine check handler routines |
697 | */ | 696 | */ |
698 | 697 | ||
699 | .globl mcck_int_handler | 698 | .globl mcck_int_handler |
700 | mcck_int_handler: | 699 | mcck_int_handler: |
701 | spt __LC_CPU_TIMER_SAVE_AREA # revalidate cpu timer | 700 | spt __LC_CPU_TIMER_SAVE_AREA # revalidate cpu timer |
702 | lm %r0,%r15,__LC_GPREGS_SAVE_AREA # revalidate gprs | 701 | lm %r0,%r15,__LC_GPREGS_SAVE_AREA # revalidate gprs |
703 | SAVE_ALL_BASE __LC_SAVE_AREA+32 | 702 | SAVE_ALL_BASE __LC_SAVE_AREA+32 |
704 | la %r12,__LC_MCK_OLD_PSW | 703 | la %r12,__LC_MCK_OLD_PSW |
705 | tm __LC_MCCK_CODE,0x80 # system damage? | 704 | tm __LC_MCCK_CODE,0x80 # system damage? |
706 | bo BASED(mcck_int_main) # yes -> rest of mcck code invalid | 705 | bo BASED(mcck_int_main) # yes -> rest of mcck code invalid |
707 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING | 706 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING |
708 | mvc __LC_SAVE_AREA+52(8),__LC_ASYNC_ENTER_TIMER | 707 | mvc __LC_SAVE_AREA+52(8),__LC_ASYNC_ENTER_TIMER |
@@ -741,7 +740,7 @@ mcck_int_main: | |||
741 | l %r15,__LC_PANIC_STACK # load panic stack | 740 | l %r15,__LC_PANIC_STACK # load panic stack |
742 | 0: CREATE_STACK_FRAME __LC_MCK_OLD_PSW,__LC_SAVE_AREA+32 | 741 | 0: CREATE_STACK_FRAME __LC_MCK_OLD_PSW,__LC_SAVE_AREA+32 |
743 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING | 742 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING |
744 | tm __LC_MCCK_CODE+2,0x08 # mwp of old psw valid? | 743 | tm __LC_MCCK_CODE+2,0x08 # mwp of old psw valid? |
745 | bno BASED(mcck_no_vtime) # no -> skip cleanup critical | 744 | bno BASED(mcck_no_vtime) # no -> skip cleanup critical |
746 | tm SP_PSW+1(%r15),0x01 # interrupting from user ? | 745 | tm SP_PSW+1(%r15),0x01 # interrupting from user ? |
747 | bz BASED(mcck_no_vtime) | 746 | bz BASED(mcck_no_vtime) |
@@ -752,14 +751,14 @@ mcck_no_vtime: | |||
752 | #endif | 751 | #endif |
753 | l %r9,__LC_THREAD_INFO # load pointer to thread_info struct | 752 | l %r9,__LC_THREAD_INFO # load pointer to thread_info struct |
754 | la %r2,SP_PTREGS(%r15) # load pt_regs | 753 | la %r2,SP_PTREGS(%r15) # load pt_regs |
755 | l %r1,BASED(.Ls390_mcck) | 754 | l %r1,BASED(.Ls390_mcck) |
756 | basr %r14,%r1 # call machine check handler | 755 | basr %r14,%r1 # call machine check handler |
757 | tm SP_PSW+1(%r15),0x01 # returning to user ? | 756 | tm SP_PSW+1(%r15),0x01 # returning to user ? |
758 | bno BASED(mcck_return) | 757 | bno BASED(mcck_return) |
759 | l %r1,__LC_KERNEL_STACK # switch to kernel stack | 758 | l %r1,__LC_KERNEL_STACK # switch to kernel stack |
760 | s %r1,BASED(.Lc_spsize) | 759 | s %r1,BASED(.Lc_spsize) |
761 | mvc SP_PTREGS(__PT_SIZE,%r1),SP_PTREGS(%r15) | 760 | mvc SP_PTREGS(__PT_SIZE,%r1),SP_PTREGS(%r15) |
762 | xc __SF_BACKCHAIN(4,%r1),__SF_BACKCHAIN(%r1) # clear back chain | 761 | xc __SF_BACKCHAIN(4,%r1),__SF_BACKCHAIN(%r1) # clear back chain |
763 | lr %r15,%r1 | 762 | lr %r15,%r1 |
764 | stosm __SF_EMPTY(%r15),0x04 # turn dat on | 763 | stosm __SF_EMPTY(%r15),0x04 # turn dat on |
765 | tm __TI_flags+3(%r9),_TIF_MCCK_PENDING | 764 | tm __TI_flags+3(%r9),_TIF_MCCK_PENDING |
@@ -783,36 +782,36 @@ mcck_return: | |||
783 | lm %r0,%r15,SP_R0(%r15) # load gprs 0-15 | 782 | lm %r0,%r15,SP_R0(%r15) # load gprs 0-15 |
784 | lpsw __LC_RETURN_MCCK_PSW # back to caller | 783 | lpsw __LC_RETURN_MCCK_PSW # back to caller |
785 | 784 | ||
786 | RESTORE_ALL __LC_RETURN_MCCK_PSW,0 | 785 | RESTORE_ALL __LC_RETURN_MCCK_PSW,0 |
787 | 786 | ||
788 | #ifdef CONFIG_SMP | 787 | #ifdef CONFIG_SMP |
789 | /* | 788 | /* |
790 | * Restart interruption handler, kick starter for additional CPUs | 789 | * Restart interruption handler, kick starter for additional CPUs |
791 | */ | 790 | */ |
792 | .globl restart_int_handler | 791 | .globl restart_int_handler |
793 | restart_int_handler: | 792 | restart_int_handler: |
794 | l %r15,__LC_SAVE_AREA+60 # load ksp | 793 | l %r15,__LC_SAVE_AREA+60 # load ksp |
795 | lctl %c0,%c15,__LC_CREGS_SAVE_AREA # get new ctl regs | 794 | lctl %c0,%c15,__LC_CREGS_SAVE_AREA # get new ctl regs |
796 | lam %a0,%a15,__LC_AREGS_SAVE_AREA | 795 | lam %a0,%a15,__LC_AREGS_SAVE_AREA |
797 | lm %r6,%r15,__SF_GPRS(%r15) # load registers from clone | 796 | lm %r6,%r15,__SF_GPRS(%r15) # load registers from clone |
798 | stosm __SF_EMPTY(%r15),0x04 # now we can turn dat on | 797 | stosm __SF_EMPTY(%r15),0x04 # now we can turn dat on |
799 | basr %r14,0 | 798 | basr %r14,0 |
800 | l %r14,restart_addr-.(%r14) | 799 | l %r14,restart_addr-.(%r14) |
801 | br %r14 # branch to start_secondary | 800 | br %r14 # branch to start_secondary |
802 | restart_addr: | 801 | restart_addr: |
803 | .long start_secondary | 802 | .long start_secondary |
804 | #else | 803 | #else |
805 | /* | 804 | /* |
806 | * If we do not run with SMP enabled, let the new CPU crash ... | 805 | * If we do not run with SMP enabled, let the new CPU crash ... |
807 | */ | 806 | */ |
808 | .globl restart_int_handler | 807 | .globl restart_int_handler |
809 | restart_int_handler: | 808 | restart_int_handler: |
810 | basr %r1,0 | 809 | basr %r1,0 |
811 | restart_base: | 810 | restart_base: |
812 | lpsw restart_crash-restart_base(%r1) | 811 | lpsw restart_crash-restart_base(%r1) |
813 | .align 8 | 812 | .align 8 |
814 | restart_crash: | 813 | restart_crash: |
815 | .long 0x000a0000,0x00000000 | 814 | .long 0x000a0000,0x00000000 |
816 | restart_go: | 815 | restart_go: |
817 | #endif | 816 | #endif |
818 | 817 | ||
@@ -834,11 +833,11 @@ stack_overflow: | |||
834 | be BASED(0f) | 833 | be BASED(0f) |
835 | la %r1,__LC_SAVE_AREA+16 | 834 | la %r1,__LC_SAVE_AREA+16 |
836 | 0: mvc SP_R12(16,%r15),0(%r1) # move %r12-%r15 to stack | 835 | 0: mvc SP_R12(16,%r15),0(%r1) # move %r12-%r15 to stack |
837 | xc __SF_BACKCHAIN(4,%r15),__SF_BACKCHAIN(%r15) # clear back chain | 836 | xc __SF_BACKCHAIN(4,%r15),__SF_BACKCHAIN(%r15) # clear back chain |
838 | l %r1,BASED(1f) # branch to kernel_stack_overflow | 837 | l %r1,BASED(1f) # branch to kernel_stack_overflow |
839 | la %r2,SP_PTREGS(%r15) # load pt_regs | 838 | la %r2,SP_PTREGS(%r15) # load pt_regs |
840 | br %r1 | 839 | br %r1 |
841 | 1: .long kernel_stack_overflow | 840 | 1: .long kernel_stack_overflow |
842 | #endif | 841 | #endif |
843 | 842 | ||
844 | cleanup_table_system_call: | 843 | cleanup_table_system_call: |
@@ -940,10 +939,10 @@ cleanup_novtime: | |||
940 | cleanup_system_call_insn: | 939 | cleanup_system_call_insn: |
941 | .long sysc_saveall + 0x80000000 | 940 | .long sysc_saveall + 0x80000000 |
942 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING | 941 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING |
943 | .long system_call + 0x80000000 | 942 | .long system_call + 0x80000000 |
944 | .long sysc_vtime + 0x80000000 | 943 | .long sysc_vtime + 0x80000000 |
945 | .long sysc_stime + 0x80000000 | 944 | .long sysc_stime + 0x80000000 |
946 | .long sysc_update + 0x80000000 | 945 | .long sysc_update + 0x80000000 |
947 | #endif | 946 | #endif |
948 | 947 | ||
949 | cleanup_sysc_return: | 948 | cleanup_sysc_return: |
@@ -1009,57 +1008,57 @@ cleanup_io_leave_insn: | |||
1009 | /* | 1008 | /* |
1010 | * Integer constants | 1009 | * Integer constants |
1011 | */ | 1010 | */ |
1012 | .align 4 | 1011 | .align 4 |
1013 | .Lc_spsize: .long SP_SIZE | 1012 | .Lc_spsize: .long SP_SIZE |
1014 | .Lc_overhead: .long STACK_FRAME_OVERHEAD | 1013 | .Lc_overhead: .long STACK_FRAME_OVERHEAD |
1015 | .Lc_pactive: .long PREEMPT_ACTIVE | 1014 | .Lc_pactive: .long PREEMPT_ACTIVE |
1016 | .Lnr_syscalls: .long NR_syscalls | 1015 | .Lnr_syscalls: .long NR_syscalls |
1017 | .L0x018: .short 0x018 | 1016 | .L0x018: .short 0x018 |
1018 | .L0x020: .short 0x020 | 1017 | .L0x020: .short 0x020 |
1019 | .L0x028: .short 0x028 | 1018 | .L0x028: .short 0x028 |
1020 | .L0x030: .short 0x030 | 1019 | .L0x030: .short 0x030 |
1021 | .L0x038: .short 0x038 | 1020 | .L0x038: .short 0x038 |
1022 | .Lc_1: .long 1 | 1021 | .Lc_1: .long 1 |
1023 | 1022 | ||
1024 | /* | 1023 | /* |
1025 | * Symbol constants | 1024 | * Symbol constants |
1026 | */ | 1025 | */ |
1027 | .Ls390_mcck: .long s390_do_machine_check | 1026 | .Ls390_mcck: .long s390_do_machine_check |
1028 | .Ls390_handle_mcck: | 1027 | .Ls390_handle_mcck: |
1029 | .long s390_handle_mcck | 1028 | .long s390_handle_mcck |
1030 | .Lmck_old_psw: .long __LC_MCK_OLD_PSW | 1029 | .Lmck_old_psw: .long __LC_MCK_OLD_PSW |
1031 | .Ldo_IRQ: .long do_IRQ | 1030 | .Ldo_IRQ: .long do_IRQ |
1032 | .Ldo_extint: .long do_extint | 1031 | .Ldo_extint: .long do_extint |
1033 | .Ldo_signal: .long do_signal | 1032 | .Ldo_signal: .long do_signal |
1034 | .Lhandle_per: .long do_single_step | 1033 | .Lhandle_per: .long do_single_step |
1035 | .Ljump_table: .long pgm_check_table | 1034 | .Ljump_table: .long pgm_check_table |
1036 | .Lschedule: .long schedule | 1035 | .Lschedule: .long schedule |
1037 | .Lclone: .long sys_clone | 1036 | .Lclone: .long sys_clone |
1038 | .Lexecve: .long sys_execve | 1037 | .Lexecve: .long sys_execve |
1039 | .Lfork: .long sys_fork | 1038 | .Lfork: .long sys_fork |
1040 | .Lrt_sigreturn:.long sys_rt_sigreturn | 1039 | .Lrt_sigreturn: .long sys_rt_sigreturn |
1041 | .Lrt_sigsuspend: | 1040 | .Lrt_sigsuspend: |
1042 | .long sys_rt_sigsuspend | 1041 | .long sys_rt_sigsuspend |
1043 | .Lsigreturn: .long sys_sigreturn | 1042 | .Lsigreturn: .long sys_sigreturn |
1044 | .Lsigsuspend: .long sys_sigsuspend | 1043 | .Lsigsuspend: .long sys_sigsuspend |
1045 | .Lsigaltstack: .long sys_sigaltstack | 1044 | .Lsigaltstack: .long sys_sigaltstack |
1046 | .Ltrace: .long syscall_trace | 1045 | .Ltrace: .long syscall_trace |
1047 | .Lvfork: .long sys_vfork | 1046 | .Lvfork: .long sys_vfork |
1048 | .Lschedtail: .long schedule_tail | 1047 | .Lschedtail: .long schedule_tail |
1049 | .Lsysc_table: .long sys_call_table | 1048 | .Lsysc_table: .long sys_call_table |
1050 | #ifdef CONFIG_TRACE_IRQFLAGS | 1049 | #ifdef CONFIG_TRACE_IRQFLAGS |
1051 | .Ltrace_irq_on:.long trace_hardirqs_on | 1050 | .Ltrace_irq_on: .long trace_hardirqs_on |
1052 | .Ltrace_irq_off: | 1051 | .Ltrace_irq_off: |
1053 | .long trace_hardirqs_off | 1052 | .long trace_hardirqs_off |
1054 | #endif | 1053 | #endif |
1055 | .Lcritical_start: | 1054 | .Lcritical_start: |
1056 | .long __critical_start + 0x80000000 | 1055 | .long __critical_start + 0x80000000 |
1057 | .Lcritical_end: | 1056 | .Lcritical_end: |
1058 | .long __critical_end + 0x80000000 | 1057 | .long __critical_end + 0x80000000 |
1059 | .Lcleanup_critical: | 1058 | .Lcleanup_critical: |
1060 | .long cleanup_critical | 1059 | .long cleanup_critical |
1061 | 1060 | ||
1062 | .section .rodata, "a" | 1061 | .section .rodata, "a" |
1063 | #define SYSCALL(esa,esame,emu) .long esa | 1062 | #define SYSCALL(esa,esame,emu) .long esa |
1064 | sys_call_table: | 1063 | sys_call_table: |
1065 | #include "syscalls.S" | 1064 | #include "syscalls.S" |
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S index 29bbfbab7332..0f758c329a5d 100644 --- a/arch/s390/kernel/entry64.S +++ b/arch/s390/kernel/entry64.S | |||
@@ -4,8 +4,8 @@ | |||
4 | * | 4 | * |
5 | * Copyright (C) IBM Corp. 1999,2006 | 5 | * Copyright (C) IBM Corp. 1999,2006 |
6 | * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com), | 6 | * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com), |
7 | * Hartmut Penner (hp@de.ibm.com), | 7 | * Hartmut Penner (hp@de.ibm.com), |
8 | * Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com), | 8 | * Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com), |
9 | * Heiko Carstens <heiko.carstens@de.ibm.com> | 9 | * Heiko Carstens <heiko.carstens@de.ibm.com> |
10 | */ | 10 | */ |
11 | 11 | ||
@@ -24,29 +24,29 @@ | |||
24 | * Stack layout for the system_call stack entry. | 24 | * Stack layout for the system_call stack entry. |
25 | * The first few entries are identical to the user_regs_struct. | 25 | * The first few entries are identical to the user_regs_struct. |
26 | */ | 26 | */ |
27 | SP_PTREGS = STACK_FRAME_OVERHEAD | 27 | SP_PTREGS = STACK_FRAME_OVERHEAD |
28 | SP_ARGS = STACK_FRAME_OVERHEAD + __PT_ARGS | 28 | SP_ARGS = STACK_FRAME_OVERHEAD + __PT_ARGS |
29 | SP_PSW = STACK_FRAME_OVERHEAD + __PT_PSW | 29 | SP_PSW = STACK_FRAME_OVERHEAD + __PT_PSW |
30 | SP_R0 = STACK_FRAME_OVERHEAD + __PT_GPRS | 30 | SP_R0 = STACK_FRAME_OVERHEAD + __PT_GPRS |
31 | SP_R1 = STACK_FRAME_OVERHEAD + __PT_GPRS + 8 | 31 | SP_R1 = STACK_FRAME_OVERHEAD + __PT_GPRS + 8 |
32 | SP_R2 = STACK_FRAME_OVERHEAD + __PT_GPRS + 16 | 32 | SP_R2 = STACK_FRAME_OVERHEAD + __PT_GPRS + 16 |
33 | SP_R3 = STACK_FRAME_OVERHEAD + __PT_GPRS + 24 | 33 | SP_R3 = STACK_FRAME_OVERHEAD + __PT_GPRS + 24 |
34 | SP_R4 = STACK_FRAME_OVERHEAD + __PT_GPRS + 32 | 34 | SP_R4 = STACK_FRAME_OVERHEAD + __PT_GPRS + 32 |
35 | SP_R5 = STACK_FRAME_OVERHEAD + __PT_GPRS + 40 | 35 | SP_R5 = STACK_FRAME_OVERHEAD + __PT_GPRS + 40 |
36 | SP_R6 = STACK_FRAME_OVERHEAD + __PT_GPRS + 48 | 36 | SP_R6 = STACK_FRAME_OVERHEAD + __PT_GPRS + 48 |
37 | SP_R7 = STACK_FRAME_OVERHEAD + __PT_GPRS + 56 | 37 | SP_R7 = STACK_FRAME_OVERHEAD + __PT_GPRS + 56 |
38 | SP_R8 = STACK_FRAME_OVERHEAD + __PT_GPRS + 64 | 38 | SP_R8 = STACK_FRAME_OVERHEAD + __PT_GPRS + 64 |
39 | SP_R9 = STACK_FRAME_OVERHEAD + __PT_GPRS + 72 | 39 | SP_R9 = STACK_FRAME_OVERHEAD + __PT_GPRS + 72 |
40 | SP_R10 = STACK_FRAME_OVERHEAD + __PT_GPRS + 80 | 40 | SP_R10 = STACK_FRAME_OVERHEAD + __PT_GPRS + 80 |
41 | SP_R11 = STACK_FRAME_OVERHEAD + __PT_GPRS + 88 | 41 | SP_R11 = STACK_FRAME_OVERHEAD + __PT_GPRS + 88 |
42 | SP_R12 = STACK_FRAME_OVERHEAD + __PT_GPRS + 96 | 42 | SP_R12 = STACK_FRAME_OVERHEAD + __PT_GPRS + 96 |
43 | SP_R13 = STACK_FRAME_OVERHEAD + __PT_GPRS + 104 | 43 | SP_R13 = STACK_FRAME_OVERHEAD + __PT_GPRS + 104 |
44 | SP_R14 = STACK_FRAME_OVERHEAD + __PT_GPRS + 112 | 44 | SP_R14 = STACK_FRAME_OVERHEAD + __PT_GPRS + 112 |
45 | SP_R15 = STACK_FRAME_OVERHEAD + __PT_GPRS + 120 | 45 | SP_R15 = STACK_FRAME_OVERHEAD + __PT_GPRS + 120 |
46 | SP_ORIG_R2 = STACK_FRAME_OVERHEAD + __PT_ORIG_GPR2 | 46 | SP_ORIG_R2 = STACK_FRAME_OVERHEAD + __PT_ORIG_GPR2 |
47 | SP_ILC = STACK_FRAME_OVERHEAD + __PT_ILC | 47 | SP_ILC = STACK_FRAME_OVERHEAD + __PT_ILC |
48 | SP_TRAP = STACK_FRAME_OVERHEAD + __PT_TRAP | 48 | SP_TRAP = STACK_FRAME_OVERHEAD + __PT_TRAP |
49 | SP_SIZE = STACK_FRAME_OVERHEAD + __PT_SIZE | 49 | SP_SIZE = STACK_FRAME_OVERHEAD + __PT_SIZE |
50 | 50 | ||
51 | STACK_SHIFT = PAGE_SHIFT + THREAD_ORDER | 51 | STACK_SHIFT = PAGE_SHIFT + THREAD_ORDER |
52 | STACK_SIZE = 1 << STACK_SHIFT | 52 | STACK_SIZE = 1 << STACK_SHIFT |
@@ -71,14 +71,14 @@ _TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | _TIF_NEED_RESCHED | \ | |||
71 | #define TRACE_IRQS_OFF | 71 | #define TRACE_IRQS_OFF |
72 | #endif | 72 | #endif |
73 | 73 | ||
74 | .macro STORE_TIMER lc_offset | 74 | .macro STORE_TIMER lc_offset |
75 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING | 75 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING |
76 | stpt \lc_offset | 76 | stpt \lc_offset |
77 | #endif | 77 | #endif |
78 | .endm | 78 | .endm |
79 | 79 | ||
80 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING | 80 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING |
81 | .macro UPDATE_VTIME lc_from,lc_to,lc_sum | 81 | .macro UPDATE_VTIME lc_from,lc_to,lc_sum |
82 | lg %r10,\lc_from | 82 | lg %r10,\lc_from |
83 | slg %r10,\lc_to | 83 | slg %r10,\lc_to |
84 | alg %r10,\lc_sum | 84 | alg %r10,\lc_sum |
@@ -94,7 +94,7 @@ _TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | _TIF_NEED_RESCHED | \ | |||
94 | * R15 - kernel stack pointer | 94 | * R15 - kernel stack pointer |
95 | */ | 95 | */ |
96 | 96 | ||
97 | .macro SAVE_ALL_BASE savearea | 97 | .macro SAVE_ALL_BASE savearea |
98 | stmg %r12,%r15,\savearea | 98 | stmg %r12,%r15,\savearea |
99 | larl %r13,system_call | 99 | larl %r13,system_call |
100 | .endm | 100 | .endm |
@@ -139,8 +139,8 @@ _TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | _TIF_NEED_RESCHED | \ | |||
139 | .endm | 139 | .endm |
140 | 140 | ||
141 | .macro CREATE_STACK_FRAME psworg,savearea | 141 | .macro CREATE_STACK_FRAME psworg,savearea |
142 | aghi %r15,-SP_SIZE # make room for registers & psw | 142 | aghi %r15,-SP_SIZE # make room for registers & psw |
143 | mvc SP_PSW(16,%r15),0(%r12) # move user PSW to stack | 143 | mvc SP_PSW(16,%r15),0(%r12) # move user PSW to stack |
144 | la %r12,\psworg | 144 | la %r12,\psworg |
145 | stg %r2,SP_ORIG_R2(%r15) # store original content of gpr 2 | 145 | stg %r2,SP_ORIG_R2(%r15) # store original content of gpr 2 |
146 | icm %r12,12,__LC_SVC_ILC | 146 | icm %r12,12,__LC_SVC_ILC |
@@ -149,7 +149,7 @@ _TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | _TIF_NEED_RESCHED | \ | |||
149 | mvc SP_R12(32,%r15),\savearea # move %r12-%r15 to stack | 149 | mvc SP_R12(32,%r15),\savearea # move %r12-%r15 to stack |
150 | la %r12,0 | 150 | la %r12,0 |
151 | stg %r12,__SF_BACKCHAIN(%r15) | 151 | stg %r12,__SF_BACKCHAIN(%r15) |
152 | .endm | 152 | .endm |
153 | 153 | ||
154 | .macro RESTORE_ALL psworg,sync | 154 | .macro RESTORE_ALL psworg,sync |
155 | mvc \psworg(16),SP_PSW(%r15) # move user PSW to lowcore | 155 | mvc \psworg(16),SP_PSW(%r15) # move user PSW to lowcore |
@@ -168,29 +168,29 @@ _TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | _TIF_NEED_RESCHED | \ | |||
168 | * Returns: | 168 | * Returns: |
169 | * gpr2 = prev | 169 | * gpr2 = prev |
170 | */ | 170 | */ |
171 | .globl __switch_to | 171 | .globl __switch_to |
172 | __switch_to: | 172 | __switch_to: |
173 | tm __THREAD_per+4(%r3),0xe8 # is the new process using per ? | 173 | tm __THREAD_per+4(%r3),0xe8 # is the new process using per ? |
174 | jz __switch_to_noper # if not we're fine | 174 | jz __switch_to_noper # if not we're fine |
175 | stctg %c9,%c11,__SF_EMPTY(%r15)# We are using per stuff | 175 | stctg %c9,%c11,__SF_EMPTY(%r15)# We are using per stuff |
176 | clc __THREAD_per(24,%r3),__SF_EMPTY(%r15) | 176 | clc __THREAD_per(24,%r3),__SF_EMPTY(%r15) |
177 | je __switch_to_noper # we got away without bashing TLB's | 177 | je __switch_to_noper # we got away without bashing TLB's |
178 | lctlg %c9,%c11,__THREAD_per(%r3) # Nope we didn't | 178 | lctlg %c9,%c11,__THREAD_per(%r3) # Nope we didn't |
179 | __switch_to_noper: | 179 | __switch_to_noper: |
180 | lg %r4,__THREAD_info(%r2) # get thread_info of prev | 180 | lg %r4,__THREAD_info(%r2) # get thread_info of prev |
181 | tm __TI_flags+7(%r4),_TIF_MCCK_PENDING # machine check pending? | 181 | tm __TI_flags+7(%r4),_TIF_MCCK_PENDING # machine check pending? |
182 | jz __switch_to_no_mcck | 182 | jz __switch_to_no_mcck |
183 | ni __TI_flags+7(%r4),255-_TIF_MCCK_PENDING # clear flag in prev | 183 | ni __TI_flags+7(%r4),255-_TIF_MCCK_PENDING # clear flag in prev |
184 | lg %r4,__THREAD_info(%r3) # get thread_info of next | 184 | lg %r4,__THREAD_info(%r3) # get thread_info of next |
185 | oi __TI_flags+7(%r4),_TIF_MCCK_PENDING # set it in next | 185 | oi __TI_flags+7(%r4),_TIF_MCCK_PENDING # set it in next |
186 | __switch_to_no_mcck: | 186 | __switch_to_no_mcck: |
187 | stmg %r6,%r15,__SF_GPRS(%r15)# store __switch_to registers of prev task | 187 | stmg %r6,%r15,__SF_GPRS(%r15)# store __switch_to registers of prev task |
188 | stg %r15,__THREAD_ksp(%r2) # store kernel stack to prev->tss.ksp | 188 | stg %r15,__THREAD_ksp(%r2) # store kernel stack to prev->tss.ksp |
189 | lg %r15,__THREAD_ksp(%r3) # load kernel stack from next->tss.ksp | 189 | lg %r15,__THREAD_ksp(%r3) # load kernel stack from next->tss.ksp |
190 | lmg %r6,%r15,__SF_GPRS(%r15)# load __switch_to registers of next task | 190 | lmg %r6,%r15,__SF_GPRS(%r15)# load __switch_to registers of next task |
191 | stg %r3,__LC_CURRENT # __LC_CURRENT = current task struct | 191 | stg %r3,__LC_CURRENT # __LC_CURRENT = current task struct |
192 | lctl %c4,%c4,__TASK_pid(%r3) # load pid to control reg. 4 | 192 | lctl %c4,%c4,__TASK_pid(%r3) # load pid to control reg. 4 |
193 | lg %r3,__THREAD_info(%r3) # load thread_info from task struct | 193 | lg %r3,__THREAD_info(%r3) # load thread_info from task struct |
194 | stg %r3,__LC_THREAD_INFO | 194 | stg %r3,__LC_THREAD_INFO |
195 | aghi %r3,STACK_SIZE | 195 | aghi %r3,STACK_SIZE |
196 | stg %r3,__LC_KERNEL_STACK # __LC_KERNEL_STACK = new kernel stack | 196 | stg %r3,__LC_KERNEL_STACK # __LC_KERNEL_STACK = new kernel stack |
@@ -202,14 +202,14 @@ __critical_start: | |||
202 | * are executed with interrupts enabled. | 202 | * are executed with interrupts enabled. |
203 | */ | 203 | */ |
204 | 204 | ||
205 | .globl system_call | 205 | .globl system_call |
206 | system_call: | 206 | system_call: |
207 | STORE_TIMER __LC_SYNC_ENTER_TIMER | 207 | STORE_TIMER __LC_SYNC_ENTER_TIMER |
208 | sysc_saveall: | 208 | sysc_saveall: |
209 | SAVE_ALL_BASE __LC_SAVE_AREA | 209 | SAVE_ALL_BASE __LC_SAVE_AREA |
210 | SAVE_ALL_SYNC __LC_SVC_OLD_PSW,__LC_SAVE_AREA | 210 | SAVE_ALL_SYNC __LC_SVC_OLD_PSW,__LC_SAVE_AREA |
211 | CREATE_STACK_FRAME __LC_SVC_OLD_PSW,__LC_SAVE_AREA | 211 | CREATE_STACK_FRAME __LC_SVC_OLD_PSW,__LC_SAVE_AREA |
212 | llgh %r7,__LC_SVC_INT_CODE # get svc number from lowcore | 212 | llgh %r7,__LC_SVC_INT_CODE # get svc number from lowcore |
213 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING | 213 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING |
214 | sysc_vtime: | 214 | sysc_vtime: |
215 | tm SP_PSW+1(%r15),0x01 # interrupting from user ? | 215 | tm SP_PSW+1(%r15),0x01 # interrupting from user ? |
@@ -222,45 +222,45 @@ sysc_update: | |||
222 | #endif | 222 | #endif |
223 | sysc_do_svc: | 223 | sysc_do_svc: |
224 | lg %r9,__LC_THREAD_INFO # load pointer to thread_info struct | 224 | lg %r9,__LC_THREAD_INFO # load pointer to thread_info struct |
225 | slag %r7,%r7,2 # *4 and test for svc 0 | 225 | slag %r7,%r7,2 # *4 and test for svc 0 |
226 | jnz sysc_nr_ok | 226 | jnz sysc_nr_ok |
227 | # svc 0: system call number in %r1 | 227 | # svc 0: system call number in %r1 |
228 | cl %r1,BASED(.Lnr_syscalls) | 228 | cl %r1,BASED(.Lnr_syscalls) |
229 | jnl sysc_nr_ok | 229 | jnl sysc_nr_ok |
230 | lgfr %r7,%r1 # clear high word in r1 | 230 | lgfr %r7,%r1 # clear high word in r1 |
231 | slag %r7,%r7,2 # svc 0: system call number in %r1 | 231 | slag %r7,%r7,2 # svc 0: system call number in %r1 |
232 | sysc_nr_ok: | 232 | sysc_nr_ok: |
233 | mvc SP_ARGS(8,%r15),SP_R7(%r15) | 233 | mvc SP_ARGS(8,%r15),SP_R7(%r15) |
234 | sysc_do_restart: | 234 | sysc_do_restart: |
235 | larl %r10,sys_call_table | 235 | larl %r10,sys_call_table |
236 | #ifdef CONFIG_COMPAT | 236 | #ifdef CONFIG_COMPAT |
237 | tm __TI_flags+5(%r9),(_TIF_31BIT>>16) # running in 31 bit mode ? | 237 | tm __TI_flags+5(%r9),(_TIF_31BIT>>16) # running in 31 bit mode ? |
238 | jno sysc_noemu | 238 | jno sysc_noemu |
239 | larl %r10,sys_call_table_emu # use 31 bit emulation system calls | 239 | larl %r10,sys_call_table_emu # use 31 bit emulation system calls |
240 | sysc_noemu: | 240 | sysc_noemu: |
241 | #endif | 241 | #endif |
242 | tm __TI_flags+7(%r9),(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT) | 242 | tm __TI_flags+7(%r9),(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT) |
243 | lgf %r8,0(%r7,%r10) # load address of system call routine | 243 | lgf %r8,0(%r7,%r10) # load address of system call routine |
244 | jnz sysc_tracesys | 244 | jnz sysc_tracesys |
245 | basr %r14,%r8 # call sys_xxxx | 245 | basr %r14,%r8 # call sys_xxxx |
246 | stg %r2,SP_R2(%r15) # store return value (change R2 on stack) | 246 | stg %r2,SP_R2(%r15) # store return value (change R2 on stack) |
247 | # ATTENTION: check sys_execve_glue before | 247 | # ATTENTION: check sys_execve_glue before |
248 | # changing anything here !! | 248 | # changing anything here !! |
249 | 249 | ||
250 | sysc_return: | 250 | sysc_return: |
251 | tm SP_PSW+1(%r15),0x01 # returning to user ? | 251 | tm SP_PSW+1(%r15),0x01 # returning to user ? |
252 | jno sysc_leave | 252 | jno sysc_leave |
253 | tm __TI_flags+7(%r9),_TIF_WORK_SVC | 253 | tm __TI_flags+7(%r9),_TIF_WORK_SVC |
254 | jnz sysc_work # there is work to do (signals etc.) | 254 | jnz sysc_work # there is work to do (signals etc.) |
255 | sysc_leave: | 255 | sysc_leave: |
256 | RESTORE_ALL __LC_RETURN_PSW,1 | 256 | RESTORE_ALL __LC_RETURN_PSW,1 |
257 | 257 | ||
258 | # | 258 | # |
259 | # recheck if there is more work to do | 259 | # recheck if there is more work to do |
260 | # | 260 | # |
261 | sysc_work_loop: | 261 | sysc_work_loop: |
262 | tm __TI_flags+7(%r9),_TIF_WORK_SVC | 262 | tm __TI_flags+7(%r9),_TIF_WORK_SVC |
263 | jz sysc_leave # there is no work to do | 263 | jz sysc_leave # there is no work to do |
264 | # | 264 | # |
265 | # One of the work bits is on. Find out which one. | 265 | # One of the work bits is on. Find out which one. |
266 | # | 266 | # |
@@ -279,25 +279,25 @@ sysc_work: | |||
279 | 279 | ||
280 | # | 280 | # |
281 | # _TIF_NEED_RESCHED is set, call schedule | 281 | # _TIF_NEED_RESCHED is set, call schedule |
282 | # | 282 | # |
283 | sysc_reschedule: | 283 | sysc_reschedule: |
284 | larl %r14,sysc_work_loop | 284 | larl %r14,sysc_work_loop |
285 | jg schedule # return point is sysc_return | 285 | jg schedule # return point is sysc_return |
286 | 286 | ||
287 | # | 287 | # |
288 | # _TIF_MCCK_PENDING is set, call handler | 288 | # _TIF_MCCK_PENDING is set, call handler |
289 | # | 289 | # |
290 | sysc_mcck_pending: | 290 | sysc_mcck_pending: |
291 | larl %r14,sysc_work_loop | 291 | larl %r14,sysc_work_loop |
292 | jg s390_handle_mcck # TIF bit will be cleared by handler | 292 | jg s390_handle_mcck # TIF bit will be cleared by handler |
293 | 293 | ||
294 | # | 294 | # |
295 | # _TIF_SIGPENDING or _TIF_RESTORE_SIGMASK is set, call do_signal | 295 | # _TIF_SIGPENDING or _TIF_RESTORE_SIGMASK is set, call do_signal |
296 | # | 296 | # |
297 | sysc_sigpending: | 297 | sysc_sigpending: |
298 | ni __TI_flags+7(%r9),255-_TIF_SINGLE_STEP # clear TIF_SINGLE_STEP | 298 | ni __TI_flags+7(%r9),255-_TIF_SINGLE_STEP # clear TIF_SINGLE_STEP |
299 | la %r2,SP_PTREGS(%r15) # load pt_regs | 299 | la %r2,SP_PTREGS(%r15) # load pt_regs |
300 | brasl %r14,do_signal # call do_signal | 300 | brasl %r14,do_signal # call do_signal |
301 | tm __TI_flags+7(%r9),_TIF_RESTART_SVC | 301 | tm __TI_flags+7(%r9),_TIF_RESTART_SVC |
302 | jo sysc_restart | 302 | jo sysc_restart |
303 | tm __TI_flags+7(%r9),_TIF_SINGLE_STEP | 303 | tm __TI_flags+7(%r9),_TIF_SINGLE_STEP |
@@ -309,11 +309,11 @@ sysc_sigpending: | |||
309 | # | 309 | # |
310 | sysc_restart: | 310 | sysc_restart: |
311 | ni __TI_flags+7(%r9),255-_TIF_RESTART_SVC # clear TIF_RESTART_SVC | 311 | ni __TI_flags+7(%r9),255-_TIF_RESTART_SVC # clear TIF_RESTART_SVC |
312 | lg %r7,SP_R2(%r15) # load new svc number | 312 | lg %r7,SP_R2(%r15) # load new svc number |
313 | slag %r7,%r7,2 # *4 | 313 | slag %r7,%r7,2 # *4 |
314 | mvc SP_R2(8,%r15),SP_ORIG_R2(%r15) # restore first argument | 314 | mvc SP_R2(8,%r15),SP_ORIG_R2(%r15) # restore first argument |
315 | lmg %r2,%r6,SP_R2(%r15) # load svc arguments | 315 | lmg %r2,%r6,SP_R2(%r15) # load svc arguments |
316 | j sysc_do_restart # restart svc | 316 | j sysc_do_restart # restart svc |
317 | 317 | ||
318 | # | 318 | # |
319 | # _TIF_SINGLE_STEP is set, call do_single_step | 319 | # _TIF_SINGLE_STEP is set, call do_single_step |
@@ -326,49 +326,48 @@ sysc_singlestep: | |||
326 | larl %r14,sysc_return # load adr. of system return | 326 | larl %r14,sysc_return # load adr. of system return |
327 | jg do_single_step # branch to do_sigtrap | 327 | jg do_single_step # branch to do_sigtrap |
328 | 328 | ||
329 | |||
330 | # | 329 | # |
331 | # call syscall_trace before and after system call | 330 | # call syscall_trace before and after system call |
332 | # special linkage: %r12 contains the return address for trace_svc | 331 | # special linkage: %r12 contains the return address for trace_svc |
333 | # | 332 | # |
334 | sysc_tracesys: | 333 | sysc_tracesys: |
335 | la %r2,SP_PTREGS(%r15) # load pt_regs | 334 | la %r2,SP_PTREGS(%r15) # load pt_regs |
336 | la %r3,0 | 335 | la %r3,0 |
337 | srl %r7,2 | 336 | srl %r7,2 |
338 | stg %r7,SP_R2(%r15) | 337 | stg %r7,SP_R2(%r15) |
339 | brasl %r14,syscall_trace | 338 | brasl %r14,syscall_trace |
340 | lghi %r0,NR_syscalls | 339 | lghi %r0,NR_syscalls |
341 | clg %r0,SP_R2(%r15) | 340 | clg %r0,SP_R2(%r15) |
342 | jnh sysc_tracenogo | 341 | jnh sysc_tracenogo |
343 | lg %r7,SP_R2(%r15) # strace might have changed the | 342 | lg %r7,SP_R2(%r15) # strace might have changed the |
344 | sll %r7,2 # system call | 343 | sll %r7,2 # system call |
345 | lgf %r8,0(%r7,%r10) | 344 | lgf %r8,0(%r7,%r10) |
346 | sysc_tracego: | 345 | sysc_tracego: |
347 | lmg %r3,%r6,SP_R3(%r15) | 346 | lmg %r3,%r6,SP_R3(%r15) |
348 | lg %r2,SP_ORIG_R2(%r15) | 347 | lg %r2,SP_ORIG_R2(%r15) |
349 | basr %r14,%r8 # call sys_xxx | 348 | basr %r14,%r8 # call sys_xxx |
350 | stg %r2,SP_R2(%r15) # store return value | 349 | stg %r2,SP_R2(%r15) # store return value |
351 | sysc_tracenogo: | 350 | sysc_tracenogo: |
352 | tm __TI_flags+7(%r9),(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT) | 351 | tm __TI_flags+7(%r9),(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT) |
353 | jz sysc_return | 352 | jz sysc_return |
354 | la %r2,SP_PTREGS(%r15) # load pt_regs | 353 | la %r2,SP_PTREGS(%r15) # load pt_regs |
355 | la %r3,1 | 354 | la %r3,1 |
356 | larl %r14,sysc_return # return point is sysc_return | 355 | larl %r14,sysc_return # return point is sysc_return |
357 | jg syscall_trace | 356 | jg syscall_trace |
358 | 357 | ||
359 | # | 358 | # |
360 | # a new process exits the kernel with ret_from_fork | 359 | # a new process exits the kernel with ret_from_fork |
361 | # | 360 | # |
362 | .globl ret_from_fork | 361 | .globl ret_from_fork |
363 | ret_from_fork: | 362 | ret_from_fork: |
364 | lg %r13,__LC_SVC_NEW_PSW+8 | 363 | lg %r13,__LC_SVC_NEW_PSW+8 |
365 | lg %r9,__LC_THREAD_INFO # load pointer to thread_info struct | 364 | lg %r9,__LC_THREAD_INFO # load pointer to thread_info struct |
366 | tm SP_PSW+1(%r15),0x01 # forking a kernel thread ? | 365 | tm SP_PSW+1(%r15),0x01 # forking a kernel thread ? |
367 | jo 0f | 366 | jo 0f |
368 | stg %r15,SP_R15(%r15) # store stack pointer for new kthread | 367 | stg %r15,SP_R15(%r15) # store stack pointer for new kthread |
369 | 0: brasl %r14,schedule_tail | 368 | 0: brasl %r14,schedule_tail |
370 | TRACE_IRQS_ON | 369 | TRACE_IRQS_ON |
371 | stosm 24(%r15),0x03 # reenable interrupts | 370 | stosm 24(%r15),0x03 # reenable interrupts |
372 | j sysc_return | 371 | j sysc_return |
373 | 372 | ||
374 | # | 373 | # |
@@ -377,78 +376,78 @@ ret_from_fork: | |||
377 | # but are called with different parameter. | 376 | # but are called with different parameter. |
378 | # return-address is set up above | 377 | # return-address is set up above |
379 | # | 378 | # |
380 | sys_clone_glue: | 379 | sys_clone_glue: |
381 | la %r2,SP_PTREGS(%r15) # load pt_regs | 380 | la %r2,SP_PTREGS(%r15) # load pt_regs |
382 | jg sys_clone # branch to sys_clone | 381 | jg sys_clone # branch to sys_clone |
383 | 382 | ||
384 | #ifdef CONFIG_COMPAT | 383 | #ifdef CONFIG_COMPAT |
385 | sys32_clone_glue: | 384 | sys32_clone_glue: |
386 | la %r2,SP_PTREGS(%r15) # load pt_regs | 385 | la %r2,SP_PTREGS(%r15) # load pt_regs |
387 | jg sys32_clone # branch to sys32_clone | 386 | jg sys32_clone # branch to sys32_clone |
388 | #endif | 387 | #endif |
389 | 388 | ||
390 | sys_fork_glue: | 389 | sys_fork_glue: |
391 | la %r2,SP_PTREGS(%r15) # load pt_regs | 390 | la %r2,SP_PTREGS(%r15) # load pt_regs |
392 | jg sys_fork # branch to sys_fork | 391 | jg sys_fork # branch to sys_fork |
393 | 392 | ||
394 | sys_vfork_glue: | 393 | sys_vfork_glue: |
395 | la %r2,SP_PTREGS(%r15) # load pt_regs | 394 | la %r2,SP_PTREGS(%r15) # load pt_regs |
396 | jg sys_vfork # branch to sys_vfork | 395 | jg sys_vfork # branch to sys_vfork |
397 | 396 | ||
398 | sys_execve_glue: | 397 | sys_execve_glue: |
399 | la %r2,SP_PTREGS(%r15) # load pt_regs | 398 | la %r2,SP_PTREGS(%r15) # load pt_regs |
400 | lgr %r12,%r14 # save return address | 399 | lgr %r12,%r14 # save return address |
401 | brasl %r14,sys_execve # call sys_execve | 400 | brasl %r14,sys_execve # call sys_execve |
402 | ltgr %r2,%r2 # check if execve failed | 401 | ltgr %r2,%r2 # check if execve failed |
403 | bnz 0(%r12) # it did fail -> store result in gpr2 | 402 | bnz 0(%r12) # it did fail -> store result in gpr2 |
404 | b 6(%r12) # SKIP STG 2,SP_R2(15) in | 403 | b 6(%r12) # SKIP STG 2,SP_R2(15) in |
405 | # system_call/sysc_tracesys | 404 | # system_call/sysc_tracesys |
406 | #ifdef CONFIG_COMPAT | 405 | #ifdef CONFIG_COMPAT |
407 | sys32_execve_glue: | 406 | sys32_execve_glue: |
408 | la %r2,SP_PTREGS(%r15) # load pt_regs | 407 | la %r2,SP_PTREGS(%r15) # load pt_regs |
409 | lgr %r12,%r14 # save return address | 408 | lgr %r12,%r14 # save return address |
410 | brasl %r14,sys32_execve # call sys32_execve | 409 | brasl %r14,sys32_execve # call sys32_execve |
411 | ltgr %r2,%r2 # check if execve failed | 410 | ltgr %r2,%r2 # check if execve failed |
412 | bnz 0(%r12) # it did fail -> store result in gpr2 | 411 | bnz 0(%r12) # it did fail -> store result in gpr2 |
413 | b 6(%r12) # SKIP STG 2,SP_R2(15) in | 412 | b 6(%r12) # SKIP STG 2,SP_R2(15) in |
414 | # system_call/sysc_tracesys | 413 | # system_call/sysc_tracesys |
415 | #endif | 414 | #endif |
416 | 415 | ||
417 | sys_sigreturn_glue: | 416 | sys_sigreturn_glue: |
418 | la %r2,SP_PTREGS(%r15) # load pt_regs as parameter | 417 | la %r2,SP_PTREGS(%r15) # load pt_regs as parameter |
419 | jg sys_sigreturn # branch to sys_sigreturn | 418 | jg sys_sigreturn # branch to sys_sigreturn |
420 | 419 | ||
421 | #ifdef CONFIG_COMPAT | 420 | #ifdef CONFIG_COMPAT |
422 | sys32_sigreturn_glue: | 421 | sys32_sigreturn_glue: |
423 | la %r2,SP_PTREGS(%r15) # load pt_regs as parameter | 422 | la %r2,SP_PTREGS(%r15) # load pt_regs as parameter |
424 | jg sys32_sigreturn # branch to sys32_sigreturn | 423 | jg sys32_sigreturn # branch to sys32_sigreturn |
425 | #endif | 424 | #endif |
426 | 425 | ||
427 | sys_rt_sigreturn_glue: | 426 | sys_rt_sigreturn_glue: |
428 | la %r2,SP_PTREGS(%r15) # load pt_regs as parameter | 427 | la %r2,SP_PTREGS(%r15) # load pt_regs as parameter |
429 | jg sys_rt_sigreturn # branch to sys_sigreturn | 428 | jg sys_rt_sigreturn # branch to sys_sigreturn |
430 | 429 | ||
431 | #ifdef CONFIG_COMPAT | 430 | #ifdef CONFIG_COMPAT |
432 | sys32_rt_sigreturn_glue: | 431 | sys32_rt_sigreturn_glue: |
433 | la %r2,SP_PTREGS(%r15) # load pt_regs as parameter | 432 | la %r2,SP_PTREGS(%r15) # load pt_regs as parameter |
434 | jg sys32_rt_sigreturn # branch to sys32_sigreturn | 433 | jg sys32_rt_sigreturn # branch to sys32_sigreturn |
435 | #endif | 434 | #endif |
436 | 435 | ||
437 | sys_sigaltstack_glue: | 436 | sys_sigaltstack_glue: |
438 | la %r4,SP_PTREGS(%r15) # load pt_regs as parameter | 437 | la %r4,SP_PTREGS(%r15) # load pt_regs as parameter |
439 | jg sys_sigaltstack # branch to sys_sigreturn | 438 | jg sys_sigaltstack # branch to sys_sigreturn |
440 | 439 | ||
441 | #ifdef CONFIG_COMPAT | 440 | #ifdef CONFIG_COMPAT |
442 | sys32_sigaltstack_glue: | 441 | sys32_sigaltstack_glue: |
443 | la %r4,SP_PTREGS(%r15) # load pt_regs as parameter | 442 | la %r4,SP_PTREGS(%r15) # load pt_regs as parameter |
444 | jg sys32_sigaltstack_wrapper # branch to sys_sigreturn | 443 | jg sys32_sigaltstack_wrapper # branch to sys_sigreturn |
445 | #endif | 444 | #endif |
446 | 445 | ||
447 | /* | 446 | /* |
448 | * Program check handler routine | 447 | * Program check handler routine |
449 | */ | 448 | */ |
450 | 449 | ||
451 | .globl pgm_check_handler | 450 | .globl pgm_check_handler |
452 | pgm_check_handler: | 451 | pgm_check_handler: |
453 | /* | 452 | /* |
454 | * First we need to check for a special case: | 453 | * First we need to check for a special case: |
@@ -465,8 +464,8 @@ pgm_check_handler: | |||
465 | */ | 464 | */ |
466 | STORE_TIMER __LC_SYNC_ENTER_TIMER | 465 | STORE_TIMER __LC_SYNC_ENTER_TIMER |
467 | SAVE_ALL_BASE __LC_SAVE_AREA | 466 | SAVE_ALL_BASE __LC_SAVE_AREA |
468 | tm __LC_PGM_INT_CODE+1,0x80 # check whether we got a per exception | 467 | tm __LC_PGM_INT_CODE+1,0x80 # check whether we got a per exception |
469 | jnz pgm_per # got per exception -> special case | 468 | jnz pgm_per # got per exception -> special case |
470 | SAVE_ALL_SYNC __LC_PGM_OLD_PSW,__LC_SAVE_AREA | 469 | SAVE_ALL_SYNC __LC_PGM_OLD_PSW,__LC_SAVE_AREA |
471 | CREATE_STACK_FRAME __LC_PGM_OLD_PSW,__LC_SAVE_AREA | 470 | CREATE_STACK_FRAME __LC_PGM_OLD_PSW,__LC_SAVE_AREA |
472 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING | 471 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING |
@@ -478,29 +477,29 @@ pgm_check_handler: | |||
478 | pgm_no_vtime: | 477 | pgm_no_vtime: |
479 | #endif | 478 | #endif |
480 | lg %r9,__LC_THREAD_INFO # load pointer to thread_info struct | 479 | lg %r9,__LC_THREAD_INFO # load pointer to thread_info struct |
481 | lgf %r3,__LC_PGM_ILC # load program interruption code | 480 | lgf %r3,__LC_PGM_ILC # load program interruption code |
482 | lghi %r8,0x7f | 481 | lghi %r8,0x7f |
483 | ngr %r8,%r3 | 482 | ngr %r8,%r3 |
484 | pgm_do_call: | 483 | pgm_do_call: |
485 | sll %r8,3 | 484 | sll %r8,3 |
486 | larl %r1,pgm_check_table | 485 | larl %r1,pgm_check_table |
487 | lg %r1,0(%r8,%r1) # load address of handler routine | 486 | lg %r1,0(%r8,%r1) # load address of handler routine |
488 | la %r2,SP_PTREGS(%r15) # address of register-save area | 487 | la %r2,SP_PTREGS(%r15) # address of register-save area |
489 | larl %r14,sysc_return | 488 | larl %r14,sysc_return |
490 | br %r1 # branch to interrupt-handler | 489 | br %r1 # branch to interrupt-handler |
491 | 490 | ||
492 | # | 491 | # |
493 | # handle per exception | 492 | # handle per exception |
494 | # | 493 | # |
495 | pgm_per: | 494 | pgm_per: |
496 | tm __LC_PGM_OLD_PSW,0x40 # test if per event recording is on | 495 | tm __LC_PGM_OLD_PSW,0x40 # test if per event recording is on |
497 | jnz pgm_per_std # ok, normal per event from user space | 496 | jnz pgm_per_std # ok, normal per event from user space |
498 | # ok its one of the special cases, now we need to find out which one | 497 | # ok its one of the special cases, now we need to find out which one |
499 | clc __LC_PGM_OLD_PSW(16),__LC_SVC_NEW_PSW | 498 | clc __LC_PGM_OLD_PSW(16),__LC_SVC_NEW_PSW |
500 | je pgm_svcper | 499 | je pgm_svcper |
501 | # no interesting special case, ignore PER event | 500 | # no interesting special case, ignore PER event |
502 | lmg %r12,%r15,__LC_SAVE_AREA | 501 | lmg %r12,%r15,__LC_SAVE_AREA |
503 | lpswe __LC_PGM_OLD_PSW | 502 | lpswe __LC_PGM_OLD_PSW |
504 | 503 | ||
505 | # | 504 | # |
506 | # Normal per exception | 505 | # Normal per exception |
@@ -524,9 +523,9 @@ pgm_no_vtime2: | |||
524 | mvc __THREAD_per+__PER_address(8,%r1),__LC_PER_ADDRESS | 523 | mvc __THREAD_per+__PER_address(8,%r1),__LC_PER_ADDRESS |
525 | mvc __THREAD_per+__PER_access_id(1,%r1),__LC_PER_ACCESS_ID | 524 | mvc __THREAD_per+__PER_access_id(1,%r1),__LC_PER_ACCESS_ID |
526 | oi __TI_flags+7(%r9),_TIF_SINGLE_STEP # set TIF_SINGLE_STEP | 525 | oi __TI_flags+7(%r9),_TIF_SINGLE_STEP # set TIF_SINGLE_STEP |
527 | lgf %r3,__LC_PGM_ILC # load program interruption code | 526 | lgf %r3,__LC_PGM_ILC # load program interruption code |
528 | lghi %r8,0x7f | 527 | lghi %r8,0x7f |
529 | ngr %r8,%r3 # clear per-event-bit and ilc | 528 | ngr %r8,%r3 # clear per-event-bit and ilc |
530 | je sysc_return | 529 | je sysc_return |
531 | j pgm_do_call | 530 | j pgm_do_call |
532 | 531 | ||
@@ -544,7 +543,7 @@ pgm_svcper: | |||
544 | mvc __LC_LAST_UPDATE_TIMER(8),__LC_SYNC_ENTER_TIMER | 543 | mvc __LC_LAST_UPDATE_TIMER(8),__LC_SYNC_ENTER_TIMER |
545 | pgm_no_vtime3: | 544 | pgm_no_vtime3: |
546 | #endif | 545 | #endif |
547 | llgh %r7,__LC_SVC_INT_CODE # get svc number from lowcore | 546 | llgh %r7,__LC_SVC_INT_CODE # get svc number from lowcore |
548 | lg %r9,__LC_THREAD_INFO # load pointer to thread_info struct | 547 | lg %r9,__LC_THREAD_INFO # load pointer to thread_info struct |
549 | lg %r1,__TI_task(%r9) | 548 | lg %r1,__TI_task(%r9) |
550 | mvc __THREAD_per+__PER_atmid(2,%r1),__LC_PER_ATMID | 549 | mvc __THREAD_per+__PER_atmid(2,%r1),__LC_PER_ATMID |
@@ -568,7 +567,7 @@ kernel_per: | |||
568 | /* | 567 | /* |
569 | * IO interrupt handler routine | 568 | * IO interrupt handler routine |
570 | */ | 569 | */ |
571 | .globl io_int_handler | 570 | .globl io_int_handler |
572 | io_int_handler: | 571 | io_int_handler: |
573 | STORE_TIMER __LC_ASYNC_ENTER_TIMER | 572 | STORE_TIMER __LC_ASYNC_ENTER_TIMER |
574 | stck __LC_INT_CLOCK | 573 | stck __LC_INT_CLOCK |
@@ -585,42 +584,42 @@ io_no_vtime: | |||
585 | #endif | 584 | #endif |
586 | lg %r9,__LC_THREAD_INFO # load pointer to thread_info struct | 585 | lg %r9,__LC_THREAD_INFO # load pointer to thread_info struct |
587 | TRACE_IRQS_OFF | 586 | TRACE_IRQS_OFF |
588 | la %r2,SP_PTREGS(%r15) # address of register-save area | 587 | la %r2,SP_PTREGS(%r15) # address of register-save area |
589 | brasl %r14,do_IRQ # call standard irq handler | 588 | brasl %r14,do_IRQ # call standard irq handler |
590 | TRACE_IRQS_ON | 589 | TRACE_IRQS_ON |
591 | 590 | ||
592 | io_return: | 591 | io_return: |
593 | tm SP_PSW+1(%r15),0x01 # returning to user ? | 592 | tm SP_PSW+1(%r15),0x01 # returning to user ? |
594 | #ifdef CONFIG_PREEMPT | 593 | #ifdef CONFIG_PREEMPT |
595 | jno io_preempt # no -> check for preemptive scheduling | 594 | jno io_preempt # no -> check for preemptive scheduling |
596 | #else | 595 | #else |
597 | jno io_leave # no-> skip resched & signal | 596 | jno io_leave # no-> skip resched & signal |
598 | #endif | 597 | #endif |
599 | tm __TI_flags+7(%r9),_TIF_WORK_INT | 598 | tm __TI_flags+7(%r9),_TIF_WORK_INT |
600 | jnz io_work # there is work to do (signals etc.) | 599 | jnz io_work # there is work to do (signals etc.) |
601 | io_leave: | 600 | io_leave: |
602 | RESTORE_ALL __LC_RETURN_PSW,0 | 601 | RESTORE_ALL __LC_RETURN_PSW,0 |
603 | io_done: | 602 | io_done: |
604 | 603 | ||
605 | #ifdef CONFIG_PREEMPT | 604 | #ifdef CONFIG_PREEMPT |
606 | io_preempt: | 605 | io_preempt: |
607 | icm %r0,15,__TI_precount(%r9) | 606 | icm %r0,15,__TI_precount(%r9) |
608 | jnz io_leave | 607 | jnz io_leave |
609 | # switch to kernel stack | 608 | # switch to kernel stack |
610 | lg %r1,SP_R15(%r15) | 609 | lg %r1,SP_R15(%r15) |
611 | aghi %r1,-SP_SIZE | 610 | aghi %r1,-SP_SIZE |
612 | mvc SP_PTREGS(__PT_SIZE,%r1),SP_PTREGS(%r15) | 611 | mvc SP_PTREGS(__PT_SIZE,%r1),SP_PTREGS(%r15) |
613 | xc __SF_BACKCHAIN(8,%r1),__SF_BACKCHAIN(%r1) # clear back chain | 612 | xc __SF_BACKCHAIN(8,%r1),__SF_BACKCHAIN(%r1) # clear back chain |
614 | lgr %r15,%r1 | 613 | lgr %r15,%r1 |
615 | io_resume_loop: | 614 | io_resume_loop: |
616 | tm __TI_flags+7(%r9),_TIF_NEED_RESCHED | 615 | tm __TI_flags+7(%r9),_TIF_NEED_RESCHED |
617 | jno io_leave | 616 | jno io_leave |
618 | larl %r1,.Lc_pactive | 617 | larl %r1,.Lc_pactive |
619 | mvc __TI_precount(4,%r9),0(%r1) | 618 | mvc __TI_precount(4,%r9),0(%r1) |
620 | stosm __SF_EMPTY(%r15),0x03 # reenable interrupts | 619 | stosm __SF_EMPTY(%r15),0x03 # reenable interrupts |
621 | brasl %r14,schedule # call schedule | 620 | brasl %r14,schedule # call schedule |
622 | stnsm __SF_EMPTY(%r15),0xfc # disable I/O and ext. interrupts | 621 | stnsm __SF_EMPTY(%r15),0xfc # disable I/O and ext. interrupts |
623 | xc __TI_precount(4,%r9),__TI_precount(%r9) | 622 | xc __TI_precount(4,%r9),__TI_precount(%r9) |
624 | j io_resume_loop | 623 | j io_resume_loop |
625 | #endif | 624 | #endif |
626 | 625 | ||
@@ -631,7 +630,7 @@ io_work: | |||
631 | lg %r1,__LC_KERNEL_STACK | 630 | lg %r1,__LC_KERNEL_STACK |
632 | aghi %r1,-SP_SIZE | 631 | aghi %r1,-SP_SIZE |
633 | mvc SP_PTREGS(__PT_SIZE,%r1),SP_PTREGS(%r15) | 632 | mvc SP_PTREGS(__PT_SIZE,%r1),SP_PTREGS(%r15) |
634 | xc __SF_BACKCHAIN(8,%r1),__SF_BACKCHAIN(%r1) # clear back chain | 633 | xc __SF_BACKCHAIN(8,%r1),__SF_BACKCHAIN(%r1) # clear back chain |
635 | lgr %r15,%r1 | 634 | lgr %r15,%r1 |
636 | # | 635 | # |
637 | # One of the work bits is on. Find out which one. | 636 | # One of the work bits is on. Find out which one. |
@@ -656,11 +655,11 @@ io_mcck_pending: | |||
656 | 655 | ||
657 | # | 656 | # |
658 | # _TIF_NEED_RESCHED is set, call schedule | 657 | # _TIF_NEED_RESCHED is set, call schedule |
659 | # | 658 | # |
660 | io_reschedule: | 659 | io_reschedule: |
661 | stosm __SF_EMPTY(%r15),0x03 # reenable interrupts | 660 | stosm __SF_EMPTY(%r15),0x03 # reenable interrupts |
662 | brasl %r14,schedule # call scheduler | 661 | brasl %r14,schedule # call scheduler |
663 | stnsm __SF_EMPTY(%r15),0xfc # disable I/O and ext. interrupts | 662 | stnsm __SF_EMPTY(%r15),0xfc # disable I/O and ext. interrupts |
664 | tm __TI_flags+7(%r9),_TIF_WORK_INT | 663 | tm __TI_flags+7(%r9),_TIF_WORK_INT |
665 | jz io_leave # there is no work to do | 664 | jz io_leave # there is no work to do |
666 | j io_work_loop | 665 | j io_work_loop |
@@ -668,17 +667,17 @@ io_reschedule: | |||
668 | # | 667 | # |
669 | # _TIF_SIGPENDING or _TIF_RESTORE_SIGMASK is set, call do_signal | 668 | # _TIF_SIGPENDING or _TIF_RESTORE_SIGMASK is set, call do_signal |
670 | # | 669 | # |
671 | io_sigpending: | 670 | io_sigpending: |
672 | stosm __SF_EMPTY(%r15),0x03 # reenable interrupts | 671 | stosm __SF_EMPTY(%r15),0x03 # reenable interrupts |
673 | la %r2,SP_PTREGS(%r15) # load pt_regs | 672 | la %r2,SP_PTREGS(%r15) # load pt_regs |
674 | brasl %r14,do_signal # call do_signal | 673 | brasl %r14,do_signal # call do_signal |
675 | stnsm __SF_EMPTY(%r15),0xfc # disable I/O and ext. interrupts | 674 | stnsm __SF_EMPTY(%r15),0xfc # disable I/O and ext. interrupts |
676 | j io_work_loop | 675 | j io_work_loop |
677 | 676 | ||
678 | /* | 677 | /* |
679 | * External interrupt handler routine | 678 | * External interrupt handler routine |
680 | */ | 679 | */ |
681 | .globl ext_int_handler | 680 | .globl ext_int_handler |
682 | ext_int_handler: | 681 | ext_int_handler: |
683 | STORE_TIMER __LC_ASYNC_ENTER_TIMER | 682 | STORE_TIMER __LC_ASYNC_ENTER_TIMER |
684 | stck __LC_INT_CLOCK | 683 | stck __LC_INT_CLOCK |
@@ -695,9 +694,9 @@ ext_no_vtime: | |||
695 | #endif | 694 | #endif |
696 | lg %r9,__LC_THREAD_INFO # load pointer to thread_info struct | 695 | lg %r9,__LC_THREAD_INFO # load pointer to thread_info struct |
697 | TRACE_IRQS_OFF | 696 | TRACE_IRQS_OFF |
698 | la %r2,SP_PTREGS(%r15) # address of register-save area | 697 | la %r2,SP_PTREGS(%r15) # address of register-save area |
699 | llgh %r3,__LC_EXT_INT_CODE # get interruption code | 698 | llgh %r3,__LC_EXT_INT_CODE # get interruption code |
700 | brasl %r14,do_extint | 699 | brasl %r14,do_extint |
701 | TRACE_IRQS_ON | 700 | TRACE_IRQS_ON |
702 | j io_return | 701 | j io_return |
703 | 702 | ||
@@ -706,14 +705,14 @@ __critical_end: | |||
706 | /* | 705 | /* |
707 | * Machine check handler routines | 706 | * Machine check handler routines |
708 | */ | 707 | */ |
709 | .globl mcck_int_handler | 708 | .globl mcck_int_handler |
710 | mcck_int_handler: | 709 | mcck_int_handler: |
711 | la %r1,4095 # revalidate r1 | 710 | la %r1,4095 # revalidate r1 |
712 | spt __LC_CPU_TIMER_SAVE_AREA-4095(%r1) # revalidate cpu timer | 711 | spt __LC_CPU_TIMER_SAVE_AREA-4095(%r1) # revalidate cpu timer |
713 | lmg %r0,%r15,__LC_GPREGS_SAVE_AREA-4095(%r1)# revalidate gprs | 712 | lmg %r0,%r15,__LC_GPREGS_SAVE_AREA-4095(%r1)# revalidate gprs |
714 | SAVE_ALL_BASE __LC_SAVE_AREA+64 | 713 | SAVE_ALL_BASE __LC_SAVE_AREA+64 |
715 | la %r12,__LC_MCK_OLD_PSW | 714 | la %r12,__LC_MCK_OLD_PSW |
716 | tm __LC_MCCK_CODE,0x80 # system damage? | 715 | tm __LC_MCCK_CODE,0x80 # system damage? |
717 | jo mcck_int_main # yes -> rest of mcck code invalid | 716 | jo mcck_int_main # yes -> rest of mcck code invalid |
718 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING | 717 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING |
719 | la %r14,4095 | 718 | la %r14,4095 |
@@ -737,19 +736,19 @@ mcck_int_handler: | |||
737 | #endif | 736 | #endif |
738 | tm __LC_MCCK_CODE+2,0x09 # mwp + ia of old psw valid? | 737 | tm __LC_MCCK_CODE+2,0x09 # mwp + ia of old psw valid? |
739 | jno mcck_int_main # no -> skip cleanup critical | 738 | jno mcck_int_main # no -> skip cleanup critical |
740 | tm __LC_MCK_OLD_PSW+1,0x01 # test problem state bit | 739 | tm __LC_MCK_OLD_PSW+1,0x01 # test problem state bit |
741 | jnz mcck_int_main # from user -> load kernel stack | 740 | jnz mcck_int_main # from user -> load kernel stack |
742 | clc __LC_MCK_OLD_PSW+8(8),BASED(.Lcritical_end) | 741 | clc __LC_MCK_OLD_PSW+8(8),BASED(.Lcritical_end) |
743 | jhe mcck_int_main | 742 | jhe mcck_int_main |
744 | clc __LC_MCK_OLD_PSW+8(8),BASED(.Lcritical_start) | 743 | clc __LC_MCK_OLD_PSW+8(8),BASED(.Lcritical_start) |
745 | jl mcck_int_main | 744 | jl mcck_int_main |
746 | brasl %r14,cleanup_critical | 745 | brasl %r14,cleanup_critical |
747 | mcck_int_main: | 746 | mcck_int_main: |
748 | lg %r14,__LC_PANIC_STACK # are we already on the panic stack? | 747 | lg %r14,__LC_PANIC_STACK # are we already on the panic stack? |
749 | slgr %r14,%r15 | 748 | slgr %r14,%r15 |
750 | srag %r14,%r14,PAGE_SHIFT | 749 | srag %r14,%r14,PAGE_SHIFT |
751 | jz 0f | 750 | jz 0f |
752 | lg %r15,__LC_PANIC_STACK # load panic stack | 751 | lg %r15,__LC_PANIC_STACK # load panic stack |
753 | 0: CREATE_STACK_FRAME __LC_MCK_OLD_PSW,__LC_SAVE_AREA+64 | 752 | 0: CREATE_STACK_FRAME __LC_MCK_OLD_PSW,__LC_SAVE_AREA+64 |
754 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING | 753 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING |
755 | tm __LC_MCCK_CODE+2,0x08 # mwp of old psw valid? | 754 | tm __LC_MCCK_CODE+2,0x08 # mwp of old psw valid? |
@@ -764,7 +763,7 @@ mcck_no_vtime: | |||
764 | lg %r9,__LC_THREAD_INFO # load pointer to thread_info struct | 763 | lg %r9,__LC_THREAD_INFO # load pointer to thread_info struct |
765 | la %r2,SP_PTREGS(%r15) # load pt_regs | 764 | la %r2,SP_PTREGS(%r15) # load pt_regs |
766 | brasl %r14,s390_do_machine_check | 765 | brasl %r14,s390_do_machine_check |
767 | tm SP_PSW+1(%r15),0x01 # returning to user ? | 766 | tm SP_PSW+1(%r15),0x01 # returning to user ? |
768 | jno mcck_return | 767 | jno mcck_return |
769 | lg %r1,__LC_KERNEL_STACK # switch to kernel stack | 768 | lg %r1,__LC_KERNEL_STACK # switch to kernel stack |
770 | aghi %r1,-SP_SIZE | 769 | aghi %r1,-SP_SIZE |
@@ -794,28 +793,28 @@ mcck_return: | |||
794 | /* | 793 | /* |
795 | * Restart interruption handler, kick starter for additional CPUs | 794 | * Restart interruption handler, kick starter for additional CPUs |
796 | */ | 795 | */ |
797 | .globl restart_int_handler | 796 | .globl restart_int_handler |
798 | restart_int_handler: | 797 | restart_int_handler: |
799 | lg %r15,__LC_SAVE_AREA+120 # load ksp | 798 | lg %r15,__LC_SAVE_AREA+120 # load ksp |
800 | lghi %r10,__LC_CREGS_SAVE_AREA | 799 | lghi %r10,__LC_CREGS_SAVE_AREA |
801 | lctlg %c0,%c15,0(%r10) # get new ctl regs | 800 | lctlg %c0,%c15,0(%r10) # get new ctl regs |
802 | lghi %r10,__LC_AREGS_SAVE_AREA | 801 | lghi %r10,__LC_AREGS_SAVE_AREA |
803 | lam %a0,%a15,0(%r10) | 802 | lam %a0,%a15,0(%r10) |
804 | lmg %r6,%r15,__SF_GPRS(%r15) # load registers from clone | 803 | lmg %r6,%r15,__SF_GPRS(%r15) # load registers from clone |
805 | stosm __SF_EMPTY(%r15),0x04 # now we can turn dat on | 804 | stosm __SF_EMPTY(%r15),0x04 # now we can turn dat on |
806 | jg start_secondary | 805 | jg start_secondary |
807 | #else | 806 | #else |
808 | /* | 807 | /* |
809 | * If we do not run with SMP enabled, let the new CPU crash ... | 808 | * If we do not run with SMP enabled, let the new CPU crash ... |
810 | */ | 809 | */ |
811 | .globl restart_int_handler | 810 | .globl restart_int_handler |
812 | restart_int_handler: | 811 | restart_int_handler: |
813 | basr %r1,0 | 812 | basr %r1,0 |
814 | restart_base: | 813 | restart_base: |
815 | lpswe restart_crash-restart_base(%r1) | 814 | lpswe restart_crash-restart_base(%r1) |
816 | .align 8 | 815 | .align 8 |
817 | restart_crash: | 816 | restart_crash: |
818 | .long 0x000a0000,0x00000000,0x00000000,0x00000000 | 817 | .long 0x000a0000,0x00000000,0x00000000,0x00000000 |
819 | restart_go: | 818 | restart_go: |
820 | #endif | 819 | #endif |
821 | 820 | ||
@@ -836,9 +835,9 @@ stack_overflow: | |||
836 | chi %r12,__LC_PGM_OLD_PSW | 835 | chi %r12,__LC_PGM_OLD_PSW |
837 | je 0f | 836 | je 0f |
838 | la %r1,__LC_SAVE_AREA+32 | 837 | la %r1,__LC_SAVE_AREA+32 |
839 | 0: mvc SP_R12(32,%r15),0(%r1) # move %r12-%r15 to stack | 838 | 0: mvc SP_R12(32,%r15),0(%r1) # move %r12-%r15 to stack |
840 | xc __SF_BACKCHAIN(8,%r15),__SF_BACKCHAIN(%r15) # clear back chain | 839 | xc __SF_BACKCHAIN(8,%r15),__SF_BACKCHAIN(%r15) # clear back chain |
841 | la %r2,SP_PTREGS(%r15) # load pt_regs | 840 | la %r2,SP_PTREGS(%r15) # load pt_regs |
842 | jg kernel_stack_overflow | 841 | jg kernel_stack_overflow |
843 | #endif | 842 | #endif |
844 | 843 | ||
@@ -941,10 +940,10 @@ cleanup_novtime: | |||
941 | cleanup_system_call_insn: | 940 | cleanup_system_call_insn: |
942 | .quad sysc_saveall | 941 | .quad sysc_saveall |
943 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING | 942 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING |
944 | .quad system_call | 943 | .quad system_call |
945 | .quad sysc_vtime | 944 | .quad sysc_vtime |
946 | .quad sysc_stime | 945 | .quad sysc_stime |
947 | .quad sysc_update | 946 | .quad sysc_update |
948 | #endif | 947 | #endif |
949 | 948 | ||
950 | cleanup_sysc_return: | 949 | cleanup_sysc_return: |
@@ -1010,21 +1009,21 @@ cleanup_io_leave_insn: | |||
1010 | /* | 1009 | /* |
1011 | * Integer constants | 1010 | * Integer constants |
1012 | */ | 1011 | */ |
1013 | .align 4 | 1012 | .align 4 |
1014 | .Lconst: | 1013 | .Lconst: |
1015 | .Lc_pactive: .long PREEMPT_ACTIVE | 1014 | .Lc_pactive: .long PREEMPT_ACTIVE |
1016 | .Lnr_syscalls: .long NR_syscalls | 1015 | .Lnr_syscalls: .long NR_syscalls |
1017 | .L0x0130: .short 0x130 | 1016 | .L0x0130: .short 0x130 |
1018 | .L0x0140: .short 0x140 | 1017 | .L0x0140: .short 0x140 |
1019 | .L0x0150: .short 0x150 | 1018 | .L0x0150: .short 0x150 |
1020 | .L0x0160: .short 0x160 | 1019 | .L0x0160: .short 0x160 |
1021 | .L0x0170: .short 0x170 | 1020 | .L0x0170: .short 0x170 |
1022 | .Lcritical_start: | 1021 | .Lcritical_start: |
1023 | .quad __critical_start | 1022 | .quad __critical_start |
1024 | .Lcritical_end: | 1023 | .Lcritical_end: |
1025 | .quad __critical_end | 1024 | .quad __critical_end |
1026 | 1025 | ||
1027 | .section .rodata, "a" | 1026 | .section .rodata, "a" |
1028 | #define SYSCALL(esa,esame,emu) .long esame | 1027 | #define SYSCALL(esa,esame,emu) .long esame |
1029 | sys_call_table: | 1028 | sys_call_table: |
1030 | #include "syscalls.S" | 1029 | #include "syscalls.S" |
diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S index 0f1db268a8a9..0cf59bb7a857 100644 --- a/arch/s390/kernel/head.S +++ b/arch/s390/kernel/head.S | |||
@@ -36,449 +36,449 @@ | |||
36 | #endif | 36 | #endif |
37 | 37 | ||
38 | #ifndef CONFIG_IPL | 38 | #ifndef CONFIG_IPL |
39 | .org 0 | 39 | .org 0 |
40 | .long 0x00080000,0x80000000+startup # Just a restart PSW | 40 | .long 0x00080000,0x80000000+startup # Just a restart PSW |
41 | #else | 41 | #else |
42 | #ifdef CONFIG_IPL_TAPE | 42 | #ifdef CONFIG_IPL_TAPE |
43 | #define IPL_BS 1024 | 43 | #define IPL_BS 1024 |
44 | .org 0 | 44 | .org 0 |
45 | .long 0x00080000,0x80000000+iplstart # The first 24 bytes are loaded | 45 | .long 0x00080000,0x80000000+iplstart # The first 24 bytes are loaded |
46 | .long 0x27000000,0x60000001 # by ipl to addresses 0-23. | 46 | .long 0x27000000,0x60000001 # by ipl to addresses 0-23. |
47 | .long 0x02000000,0x20000000+IPL_BS # (a PSW and two CCWs). | 47 | .long 0x02000000,0x20000000+IPL_BS # (a PSW and two CCWs). |
48 | .long 0x00000000,0x00000000 # external old psw | 48 | .long 0x00000000,0x00000000 # external old psw |
49 | .long 0x00000000,0x00000000 # svc old psw | 49 | .long 0x00000000,0x00000000 # svc old psw |
50 | .long 0x00000000,0x00000000 # program check old psw | 50 | .long 0x00000000,0x00000000 # program check old psw |
51 | .long 0x00000000,0x00000000 # machine check old psw | 51 | .long 0x00000000,0x00000000 # machine check old psw |
52 | .long 0x00000000,0x00000000 # io old psw | 52 | .long 0x00000000,0x00000000 # io old psw |
53 | .long 0x00000000,0x00000000 | 53 | .long 0x00000000,0x00000000 |
54 | .long 0x00000000,0x00000000 | 54 | .long 0x00000000,0x00000000 |
55 | .long 0x00000000,0x00000000 | 55 | .long 0x00000000,0x00000000 |
56 | .long 0x000a0000,0x00000058 # external new psw | 56 | .long 0x000a0000,0x00000058 # external new psw |
57 | .long 0x000a0000,0x00000060 # svc new psw | 57 | .long 0x000a0000,0x00000060 # svc new psw |
58 | .long 0x000a0000,0x00000068 # program check new psw | 58 | .long 0x000a0000,0x00000068 # program check new psw |
59 | .long 0x000a0000,0x00000070 # machine check new psw | 59 | .long 0x000a0000,0x00000070 # machine check new psw |
60 | .long 0x00080000,0x80000000+.Lioint # io new psw | 60 | .long 0x00080000,0x80000000+.Lioint # io new psw |
61 | 61 | ||
62 | .org 0x100 | 62 | .org 0x100 |
63 | # | 63 | # |
64 | # subroutine for loading from tape | 64 | # subroutine for loading from tape |
65 | # Paramters: | 65 | # Paramters: |
66 | # R1 = device number | 66 | # R1 = device number |
67 | # R2 = load address | 67 | # R2 = load address |
68 | .Lloader: | 68 | .Lloader: |
69 | st %r14,.Lldret | 69 | st %r14,.Lldret |
70 | la %r3,.Lorbread # r3 = address of orb | 70 | la %r3,.Lorbread # r3 = address of orb |
71 | la %r5,.Lirb # r5 = address of irb | 71 | la %r5,.Lirb # r5 = address of irb |
72 | st %r2,.Lccwread+4 # initialize CCW data addresses | 72 | st %r2,.Lccwread+4 # initialize CCW data addresses |
73 | lctl %c6,%c6,.Lcr6 | 73 | lctl %c6,%c6,.Lcr6 |
74 | slr %r2,%r2 | 74 | slr %r2,%r2 |
75 | .Lldlp: | 75 | .Lldlp: |
76 | la %r6,3 # 3 retries | 76 | la %r6,3 # 3 retries |
77 | .Lssch: | 77 | .Lssch: |
78 | ssch 0(%r3) # load chunk of IPL_BS bytes | 78 | ssch 0(%r3) # load chunk of IPL_BS bytes |
79 | bnz .Llderr | 79 | bnz .Llderr |
80 | .Lw4end: | 80 | .Lw4end: |
81 | bas %r14,.Lwait4io | 81 | bas %r14,.Lwait4io |
82 | tm 8(%r5),0x82 # do we have a problem ? | 82 | tm 8(%r5),0x82 # do we have a problem ? |
83 | bnz .Lrecov | 83 | bnz .Lrecov |
84 | slr %r7,%r7 | 84 | slr %r7,%r7 |
85 | icm %r7,3,10(%r5) # get residual count | 85 | icm %r7,3,10(%r5) # get residual count |
86 | lcr %r7,%r7 | 86 | lcr %r7,%r7 |
87 | la %r7,IPL_BS(%r7) # IPL_BS-residual=#bytes read | 87 | la %r7,IPL_BS(%r7) # IPL_BS-residual=#bytes read |
88 | ar %r2,%r7 # add to total size | 88 | ar %r2,%r7 # add to total size |
89 | tm 8(%r5),0x01 # found a tape mark ? | 89 | tm 8(%r5),0x01 # found a tape mark ? |
90 | bnz .Ldone | 90 | bnz .Ldone |
91 | l %r0,.Lccwread+4 # update CCW data addresses | 91 | l %r0,.Lccwread+4 # update CCW data addresses |
92 | ar %r0,%r7 | 92 | ar %r0,%r7 |
93 | st %r0,.Lccwread+4 | 93 | st %r0,.Lccwread+4 |
94 | b .Lldlp | 94 | b .Lldlp |
95 | .Ldone: | 95 | .Ldone: |
96 | l %r14,.Lldret | 96 | l %r14,.Lldret |
97 | br %r14 # r2 contains the total size | 97 | br %r14 # r2 contains the total size |
98 | .Lrecov: | 98 | .Lrecov: |
99 | bas %r14,.Lsense # do the sensing | 99 | bas %r14,.Lsense # do the sensing |
100 | bct %r6,.Lssch # dec. retry count & branch | 100 | bct %r6,.Lssch # dec. retry count & branch |
101 | b .Llderr | 101 | b .Llderr |
102 | # | 102 | # |
103 | # Sense subroutine | 103 | # Sense subroutine |
104 | # | 104 | # |
105 | .Lsense: | 105 | .Lsense: |
106 | st %r14,.Lsnsret | 106 | st %r14,.Lsnsret |
107 | la %r7,.Lorbsense | 107 | la %r7,.Lorbsense |
108 | ssch 0(%r7) # start sense command | 108 | ssch 0(%r7) # start sense command |
109 | bnz .Llderr | 109 | bnz .Llderr |
110 | bas %r14,.Lwait4io | 110 | bas %r14,.Lwait4io |
111 | l %r14,.Lsnsret | 111 | l %r14,.Lsnsret |
112 | tm 8(%r5),0x82 # do we have a problem ? | 112 | tm 8(%r5),0x82 # do we have a problem ? |
113 | bnz .Llderr | 113 | bnz .Llderr |
114 | br %r14 | 114 | br %r14 |
115 | # | 115 | # |
116 | # Wait for interrupt subroutine | 116 | # Wait for interrupt subroutine |
117 | # | 117 | # |
118 | .Lwait4io: | 118 | .Lwait4io: |
119 | lpsw .Lwaitpsw | 119 | lpsw .Lwaitpsw |
120 | .Lioint: | 120 | .Lioint: |
121 | c %r1,0xb8 # compare subchannel number | 121 | c %r1,0xb8 # compare subchannel number |
122 | bne .Lwait4io | 122 | bne .Lwait4io |
123 | tsch 0(%r5) | 123 | tsch 0(%r5) |
124 | slr %r0,%r0 | 124 | slr %r0,%r0 |
125 | tm 8(%r5),0x82 # do we have a problem ? | 125 | tm 8(%r5),0x82 # do we have a problem ? |
126 | bnz .Lwtexit | 126 | bnz .Lwtexit |
127 | tm 8(%r5),0x04 # got device end ? | 127 | tm 8(%r5),0x04 # got device end ? |
128 | bz .Lwait4io | 128 | bz .Lwait4io |
129 | .Lwtexit: | 129 | .Lwtexit: |
130 | br %r14 | 130 | br %r14 |
131 | .Llderr: | 131 | .Llderr: |
132 | lpsw .Lcrash | 132 | lpsw .Lcrash |
133 | 133 | ||
134 | .align 8 | 134 | .align 8 |
135 | .Lorbread: | 135 | .Lorbread: |
136 | .long 0x00000000,0x0080ff00,.Lccwread | 136 | .long 0x00000000,0x0080ff00,.Lccwread |
137 | .align 8 | 137 | .align 8 |
138 | .Lorbsense: | 138 | .Lorbsense: |
139 | .long 0x00000000,0x0080ff00,.Lccwsense | 139 | .long 0x00000000,0x0080ff00,.Lccwsense |
140 | .align 8 | 140 | .align 8 |
141 | .Lccwread: | 141 | .Lccwread: |
142 | .long 0x02200000+IPL_BS,0x00000000 | 142 | .long 0x02200000+IPL_BS,0x00000000 |
143 | .Lccwsense: | 143 | .Lccwsense: |
144 | .long 0x04200001,0x00000000 | 144 | .long 0x04200001,0x00000000 |
145 | .Lwaitpsw: | 145 | .Lwaitpsw: |
146 | .long 0x020a0000,0x80000000+.Lioint | 146 | .long 0x020a0000,0x80000000+.Lioint |
147 | 147 | ||
148 | .Lirb: .long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 | 148 | .Lirb: .long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 |
149 | .Lcr6: .long 0xff000000 | 149 | .Lcr6: .long 0xff000000 |
150 | .align 8 | 150 | .align 8 |
151 | .Lcrash:.long 0x000a0000,0x00000000 | 151 | .Lcrash:.long 0x000a0000,0x00000000 |
152 | .Lldret:.long 0 | 152 | .Lldret:.long 0 |
153 | .Lsnsret: .long 0 | 153 | .Lsnsret: .long 0 |
154 | #endif /* CONFIG_IPL_TAPE */ | 154 | #endif /* CONFIG_IPL_TAPE */ |
155 | 155 | ||
156 | #ifdef CONFIG_IPL_VM | 156 | #ifdef CONFIG_IPL_VM |
157 | #define IPL_BS 0x730 | 157 | #define IPL_BS 0x730 |
158 | .org 0 | 158 | .org 0 |
159 | .long 0x00080000,0x80000000+iplstart # The first 24 bytes are loaded | 159 | .long 0x00080000,0x80000000+iplstart # The first 24 bytes are loaded |
160 | .long 0x02000018,0x60000050 # by ipl to addresses 0-23. | 160 | .long 0x02000018,0x60000050 # by ipl to addresses 0-23. |
161 | .long 0x02000068,0x60000050 # (a PSW and two CCWs). | 161 | .long 0x02000068,0x60000050 # (a PSW and two CCWs). |
162 | .fill 80-24,1,0x40 # bytes 24-79 are discarded !! | 162 | .fill 80-24,1,0x40 # bytes 24-79 are discarded !! |
163 | .long 0x020000f0,0x60000050 # The next 160 byte are loaded | 163 | .long 0x020000f0,0x60000050 # The next 160 byte are loaded |
164 | .long 0x02000140,0x60000050 # to addresses 0x18-0xb7 | 164 | .long 0x02000140,0x60000050 # to addresses 0x18-0xb7 |
165 | .long 0x02000190,0x60000050 # They form the continuation | 165 | .long 0x02000190,0x60000050 # They form the continuation |
166 | .long 0x020001e0,0x60000050 # of the CCW program started | 166 | .long 0x020001e0,0x60000050 # of the CCW program started |
167 | .long 0x02000230,0x60000050 # by ipl and load the range | 167 | .long 0x02000230,0x60000050 # by ipl and load the range |
168 | .long 0x02000280,0x60000050 # 0x0f0-0x730 from the image | 168 | .long 0x02000280,0x60000050 # 0x0f0-0x730 from the image |
169 | .long 0x020002d0,0x60000050 # to the range 0x0f0-0x730 | 169 | .long 0x020002d0,0x60000050 # to the range 0x0f0-0x730 |
170 | .long 0x02000320,0x60000050 # in memory. At the end of | 170 | .long 0x02000320,0x60000050 # in memory. At the end of |
171 | .long 0x02000370,0x60000050 # the channel program the PSW | 171 | .long 0x02000370,0x60000050 # the channel program the PSW |
172 | .long 0x020003c0,0x60000050 # at location 0 is loaded. | 172 | .long 0x020003c0,0x60000050 # at location 0 is loaded. |
173 | .long 0x02000410,0x60000050 # Initial processing starts | 173 | .long 0x02000410,0x60000050 # Initial processing starts |
174 | .long 0x02000460,0x60000050 # at 0xf0 = iplstart. | 174 | .long 0x02000460,0x60000050 # at 0xf0 = iplstart. |
175 | .long 0x020004b0,0x60000050 | 175 | .long 0x020004b0,0x60000050 |
176 | .long 0x02000500,0x60000050 | 176 | .long 0x02000500,0x60000050 |
177 | .long 0x02000550,0x60000050 | 177 | .long 0x02000550,0x60000050 |
178 | .long 0x020005a0,0x60000050 | 178 | .long 0x020005a0,0x60000050 |
179 | .long 0x020005f0,0x60000050 | 179 | .long 0x020005f0,0x60000050 |
180 | .long 0x02000640,0x60000050 | 180 | .long 0x02000640,0x60000050 |
181 | .long 0x02000690,0x60000050 | 181 | .long 0x02000690,0x60000050 |
182 | .long 0x020006e0,0x20000050 | 182 | .long 0x020006e0,0x20000050 |
183 | 183 | ||
184 | .org 0xf0 | 184 | .org 0xf0 |
185 | # | 185 | # |
186 | # subroutine for loading cards from the reader | 186 | # subroutine for loading cards from the reader |
187 | # | 187 | # |
188 | .Lloader: | 188 | .Lloader: |
189 | la %r3,.Lorb # r2 = address of orb into r2 | 189 | la %r3,.Lorb # r2 = address of orb into r2 |
190 | la %r5,.Lirb # r4 = address of irb | 190 | la %r5,.Lirb # r4 = address of irb |
191 | la %r6,.Lccws | 191 | la %r6,.Lccws |
192 | la %r7,20 | 192 | la %r7,20 |
193 | .Linit: | 193 | .Linit: |
194 | st %r2,4(%r6) # initialize CCW data addresses | 194 | st %r2,4(%r6) # initialize CCW data addresses |
195 | la %r2,0x50(%r2) | 195 | la %r2,0x50(%r2) |
196 | la %r6,8(%r6) | 196 | la %r6,8(%r6) |
197 | bct 7,.Linit | 197 | bct 7,.Linit |
198 | 198 | ||
199 | lctl %c6,%c6,.Lcr6 # set IO subclass mask | 199 | lctl %c6,%c6,.Lcr6 # set IO subclass mask |
200 | slr %r2,%r2 | 200 | slr %r2,%r2 |
201 | .Lldlp: | 201 | .Lldlp: |
202 | ssch 0(%r3) # load chunk of 1600 bytes | 202 | ssch 0(%r3) # load chunk of 1600 bytes |
203 | bnz .Llderr | 203 | bnz .Llderr |
204 | .Lwait4irq: | 204 | .Lwait4irq: |
205 | mvc 0x78(8),.Lnewpsw # set up IO interrupt psw | 205 | mvc 0x78(8),.Lnewpsw # set up IO interrupt psw |
206 | lpsw .Lwaitpsw | 206 | lpsw .Lwaitpsw |
207 | .Lioint: | 207 | .Lioint: |
208 | c %r1,0xb8 # compare subchannel number | 208 | c %r1,0xb8 # compare subchannel number |
209 | bne .Lwait4irq | 209 | bne .Lwait4irq |
210 | tsch 0(%r5) | 210 | tsch 0(%r5) |
211 | 211 | ||
212 | slr %r0,%r0 | 212 | slr %r0,%r0 |
213 | ic %r0,8(%r5) # get device status | 213 | ic %r0,8(%r5) # get device status |
214 | chi %r0,8 # channel end ? | 214 | chi %r0,8 # channel end ? |
215 | be .Lcont | 215 | be .Lcont |
216 | chi %r0,12 # channel end + device end ? | 216 | chi %r0,12 # channel end + device end ? |
217 | be .Lcont | 217 | be .Lcont |
218 | 218 | ||
219 | l %r0,4(%r5) | 219 | l %r0,4(%r5) |
220 | s %r0,8(%r3) # r0/8 = number of ccws executed | 220 | s %r0,8(%r3) # r0/8 = number of ccws executed |
221 | mhi %r0,10 # *10 = number of bytes in ccws | 221 | mhi %r0,10 # *10 = number of bytes in ccws |
222 | lh %r3,10(%r5) # get residual count | 222 | lh %r3,10(%r5) # get residual count |
223 | sr %r0,%r3 # #ccws*80-residual=#bytes read | 223 | sr %r0,%r3 # #ccws*80-residual=#bytes read |
224 | ar %r2,%r0 | 224 | ar %r2,%r0 |
225 | 225 | ||
226 | br %r14 # r2 contains the total size | 226 | br %r14 # r2 contains the total size |
227 | 227 | ||
228 | .Lcont: | 228 | .Lcont: |
229 | ahi %r2,0x640 # add 0x640 to total size | 229 | ahi %r2,0x640 # add 0x640 to total size |
230 | la %r6,.Lccws | 230 | la %r6,.Lccws |
231 | la %r7,20 | 231 | la %r7,20 |
232 | .Lincr: | 232 | .Lincr: |
233 | l %r0,4(%r6) # update CCW data addresses | 233 | l %r0,4(%r6) # update CCW data addresses |
234 | ahi %r0,0x640 | 234 | ahi %r0,0x640 |
235 | st %r0,4(%r6) | 235 | st %r0,4(%r6) |
236 | ahi %r6,8 | 236 | ahi %r6,8 |
237 | bct 7,.Lincr | 237 | bct 7,.Lincr |
238 | 238 | ||
239 | b .Lldlp | 239 | b .Lldlp |
240 | .Llderr: | 240 | .Llderr: |
241 | lpsw .Lcrash | 241 | lpsw .Lcrash |
242 | 242 | ||
243 | .align 8 | 243 | .align 8 |
244 | .Lorb: .long 0x00000000,0x0080ff00,.Lccws | 244 | .Lorb: .long 0x00000000,0x0080ff00,.Lccws |
245 | .Lirb: .long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 | 245 | .Lirb: .long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 |
246 | .Lcr6: .long 0xff000000 | 246 | .Lcr6: .long 0xff000000 |
247 | .Lloadp:.long 0,0 | 247 | .Lloadp:.long 0,0 |
248 | .align 8 | 248 | .align 8 |
249 | .Lcrash:.long 0x000a0000,0x00000000 | 249 | .Lcrash:.long 0x000a0000,0x00000000 |
250 | .Lnewpsw: | 250 | .Lnewpsw: |
251 | .long 0x00080000,0x80000000+.Lioint | 251 | .long 0x00080000,0x80000000+.Lioint |
252 | .Lwaitpsw: | 252 | .Lwaitpsw: |
253 | .long 0x020a0000,0x80000000+.Lioint | 253 | .long 0x020a0000,0x80000000+.Lioint |
254 | 254 | ||
255 | .align 8 | 255 | .align 8 |
256 | .Lccws: .rept 19 | 256 | .Lccws: .rept 19 |
257 | .long 0x02600050,0x00000000 | 257 | .long 0x02600050,0x00000000 |
258 | .endr | 258 | .endr |
259 | .long 0x02200050,0x00000000 | 259 | .long 0x02200050,0x00000000 |
260 | #endif /* CONFIG_IPL_VM */ | 260 | #endif /* CONFIG_IPL_VM */ |
261 | 261 | ||
262 | iplstart: | 262 | iplstart: |
263 | lh %r1,0xb8 # test if subchannel number | 263 | lh %r1,0xb8 # test if subchannel number |
264 | bct %r1,.Lnoload # is valid | 264 | bct %r1,.Lnoload # is valid |
265 | l %r1,0xb8 # load ipl subchannel number | 265 | l %r1,0xb8 # load ipl subchannel number |
266 | la %r2,IPL_BS # load start address | 266 | la %r2,IPL_BS # load start address |
267 | bas %r14,.Lloader # load rest of ipl image | 267 | bas %r14,.Lloader # load rest of ipl image |
268 | l %r12,.Lparm # pointer to parameter area | 268 | l %r12,.Lparm # pointer to parameter area |
269 | st %r1,IPL_DEVICE+ARCH_OFFSET-PARMAREA(%r12) # save ipl device number | 269 | st %r1,IPL_DEVICE+ARCH_OFFSET-PARMAREA(%r12) # save ipl device number |
270 | 270 | ||
271 | # | 271 | # |
272 | # load parameter file from ipl device | 272 | # load parameter file from ipl device |
273 | # | 273 | # |
274 | .Lagain1: | 274 | .Lagain1: |
275 | l %r2,.Linitrd # ramdisk loc. is temp | 275 | l %r2,.Linitrd # ramdisk loc. is temp |
276 | bas %r14,.Lloader # load parameter file | 276 | bas %r14,.Lloader # load parameter file |
277 | ltr %r2,%r2 # got anything ? | 277 | ltr %r2,%r2 # got anything ? |
278 | bz .Lnopf | 278 | bz .Lnopf |
279 | chi %r2,895 | 279 | chi %r2,895 |
280 | bnh .Lnotrunc | 280 | bnh .Lnotrunc |
281 | la %r2,895 | 281 | la %r2,895 |
282 | .Lnotrunc: | 282 | .Lnotrunc: |
283 | l %r4,.Linitrd | 283 | l %r4,.Linitrd |
284 | clc 0(3,%r4),.L_hdr # if it is HDRx | 284 | clc 0(3,%r4),.L_hdr # if it is HDRx |
285 | bz .Lagain1 # skip dataset header | 285 | bz .Lagain1 # skip dataset header |
286 | clc 0(3,%r4),.L_eof # if it is EOFx | 286 | clc 0(3,%r4),.L_eof # if it is EOFx |
287 | bz .Lagain1 # skip dateset trailer | 287 | bz .Lagain1 # skip dateset trailer |
288 | la %r5,0(%r4,%r2) | 288 | la %r5,0(%r4,%r2) |
289 | lr %r3,%r2 | 289 | lr %r3,%r2 |
290 | .Lidebc: | 290 | .Lidebc: |
291 | tm 0(%r5),0x80 # high order bit set ? | 291 | tm 0(%r5),0x80 # high order bit set ? |
292 | bo .Ldocv # yes -> convert from EBCDIC | 292 | bo .Ldocv # yes -> convert from EBCDIC |
293 | ahi %r5,-1 | 293 | ahi %r5,-1 |
294 | bct %r3,.Lidebc | 294 | bct %r3,.Lidebc |
295 | b .Lnocv | 295 | b .Lnocv |
296 | .Ldocv: | 296 | .Ldocv: |
297 | l %r3,.Lcvtab | 297 | l %r3,.Lcvtab |
298 | tr 0(256,%r4),0(%r3) # convert parameters to ascii | 298 | tr 0(256,%r4),0(%r3) # convert parameters to ascii |
299 | tr 256(256,%r4),0(%r3) | 299 | tr 256(256,%r4),0(%r3) |
300 | tr 512(256,%r4),0(%r3) | 300 | tr 512(256,%r4),0(%r3) |
301 | tr 768(122,%r4),0(%r3) | 301 | tr 768(122,%r4),0(%r3) |
302 | .Lnocv: la %r3,COMMAND_LINE-PARMAREA(%r12) # load adr. of command line | 302 | .Lnocv: la %r3,COMMAND_LINE-PARMAREA(%r12) # load adr. of command line |
303 | mvc 0(256,%r3),0(%r4) | 303 | mvc 0(256,%r3),0(%r4) |
304 | mvc 256(256,%r3),256(%r4) | 304 | mvc 256(256,%r3),256(%r4) |
305 | mvc 512(256,%r3),512(%r4) | 305 | mvc 512(256,%r3),512(%r4) |
306 | mvc 768(122,%r3),768(%r4) | 306 | mvc 768(122,%r3),768(%r4) |
307 | slr %r0,%r0 | 307 | slr %r0,%r0 |
308 | b .Lcntlp | 308 | b .Lcntlp |
309 | .Ldelspc: | 309 | .Ldelspc: |
310 | ic %r0,0(%r2,%r3) | 310 | ic %r0,0(%r2,%r3) |
311 | chi %r0,0x20 # is it a space ? | 311 | chi %r0,0x20 # is it a space ? |
312 | be .Lcntlp | 312 | be .Lcntlp |
313 | ahi %r2,1 | 313 | ahi %r2,1 |
314 | b .Leolp | 314 | b .Leolp |
315 | .Lcntlp: | 315 | .Lcntlp: |
316 | brct %r2,.Ldelspc | 316 | brct %r2,.Ldelspc |
317 | .Leolp: | 317 | .Leolp: |
318 | slr %r0,%r0 | 318 | slr %r0,%r0 |
319 | stc %r0,0(%r2,%r3) # terminate buffer | 319 | stc %r0,0(%r2,%r3) # terminate buffer |
320 | .Lnopf: | 320 | .Lnopf: |
321 | 321 | ||
322 | # | 322 | # |
323 | # load ramdisk from ipl device | 323 | # load ramdisk from ipl device |
324 | # | 324 | # |
325 | .Lagain2: | 325 | .Lagain2: |
326 | l %r2,.Linitrd # addr of ramdisk | 326 | l %r2,.Linitrd # addr of ramdisk |
327 | st %r2,INITRD_START+ARCH_OFFSET-PARMAREA(%r12) | 327 | st %r2,INITRD_START+ARCH_OFFSET-PARMAREA(%r12) |
328 | bas %r14,.Lloader # load ramdisk | 328 | bas %r14,.Lloader # load ramdisk |
329 | st %r2,INITRD_SIZE+ARCH_OFFSET-PARMAREA(%r12) # store size of ramdisk | 329 | st %r2,INITRD_SIZE+ARCH_OFFSET-PARMAREA(%r12) # store size of rd |
330 | ltr %r2,%r2 | 330 | ltr %r2,%r2 |
331 | bnz .Lrdcont | 331 | bnz .Lrdcont |
332 | st %r2,INITRD_START+ARCH_OFFSET-PARMAREA(%r12) # no ramdisk found | 332 | st %r2,INITRD_START+ARCH_OFFSET-PARMAREA(%r12) # no ramdisk found |
333 | .Lrdcont: | 333 | .Lrdcont: |
334 | l %r2,.Linitrd | 334 | l %r2,.Linitrd |
335 | 335 | ||
336 | clc 0(3,%r2),.L_hdr # skip HDRx and EOFx | 336 | clc 0(3,%r2),.L_hdr # skip HDRx and EOFx |
337 | bz .Lagain2 | 337 | bz .Lagain2 |
338 | clc 0(3,%r2),.L_eof | 338 | clc 0(3,%r2),.L_eof |
339 | bz .Lagain2 | 339 | bz .Lagain2 |
340 | 340 | ||
341 | #ifdef CONFIG_IPL_VM | 341 | #ifdef CONFIG_IPL_VM |
342 | # | 342 | # |
343 | # reset files in VM reader | 343 | # reset files in VM reader |
344 | # | 344 | # |
345 | stidp __LC_CPUID # store cpuid | 345 | stidp __LC_CPUID # store cpuid |
346 | tm __LC_CPUID,0xff # running VM ? | 346 | tm __LC_CPUID,0xff # running VM ? |
347 | bno .Lnoreset | 347 | bno .Lnoreset |
348 | la %r2,.Lreset | 348 | la %r2,.Lreset |
349 | lhi %r3,26 | 349 | lhi %r3,26 |
350 | diag %r2,%r3,8 | 350 | diag %r2,%r3,8 |
351 | la %r5,.Lirb | 351 | la %r5,.Lirb |
352 | stsch 0(%r5) # check if irq is pending | 352 | stsch 0(%r5) # check if irq is pending |
353 | tm 30(%r5),0x0f # by verifying if any of the | 353 | tm 30(%r5),0x0f # by verifying if any of the |
354 | bnz .Lwaitforirq # activity or status control | 354 | bnz .Lwaitforirq # activity or status control |
355 | tm 31(%r5),0xff # bits is set in the schib | 355 | tm 31(%r5),0xff # bits is set in the schib |
356 | bz .Lnoreset | 356 | bz .Lnoreset |
357 | .Lwaitforirq: | 357 | .Lwaitforirq: |
358 | mvc 0x78(8),.Lrdrnewpsw # set up IO interrupt psw | 358 | mvc 0x78(8),.Lrdrnewpsw # set up IO interrupt psw |
359 | .Lwaitrdrirq: | 359 | .Lwaitrdrirq: |
360 | lpsw .Lrdrwaitpsw | 360 | lpsw .Lrdrwaitpsw |
361 | .Lrdrint: | 361 | .Lrdrint: |
362 | c %r1,0xb8 # compare subchannel number | 362 | c %r1,0xb8 # compare subchannel number |
363 | bne .Lwaitrdrirq | 363 | bne .Lwaitrdrirq |
364 | la %r5,.Lirb | 364 | la %r5,.Lirb |
365 | tsch 0(%r5) | 365 | tsch 0(%r5) |
366 | .Lnoreset: | 366 | .Lnoreset: |
367 | b .Lnoload | 367 | b .Lnoload |
368 | 368 | ||
369 | .align 8 | 369 | .align 8 |
370 | .Lrdrnewpsw: | 370 | .Lrdrnewpsw: |
371 | .long 0x00080000,0x80000000+.Lrdrint | 371 | .long 0x00080000,0x80000000+.Lrdrint |
372 | .Lrdrwaitpsw: | 372 | .Lrdrwaitpsw: |
373 | .long 0x020a0000,0x80000000+.Lrdrint | 373 | .long 0x020a0000,0x80000000+.Lrdrint |
374 | #endif | 374 | #endif |
375 | 375 | ||
376 | # | 376 | # |
377 | # everything loaded, go for it | 377 | # everything loaded, go for it |
378 | # | 378 | # |
379 | .Lnoload: | 379 | .Lnoload: |
380 | l %r1,.Lstartup | 380 | l %r1,.Lstartup |
381 | br %r1 | 381 | br %r1 |
382 | 382 | ||
383 | .Linitrd:.long _end + 0x400000 # default address of initrd | 383 | .Linitrd:.long _end + 0x400000 # default address of initrd |
384 | .Lparm: .long PARMAREA | 384 | .Lparm: .long PARMAREA |
385 | .Lstartup: .long startup | 385 | .Lstartup: .long startup |
386 | .Lcvtab:.long _ebcasc # ebcdic to ascii table | 386 | .Lcvtab:.long _ebcasc # ebcdic to ascii table |
387 | .Lreset:.byte 0xc3,0xc8,0xc1,0xd5,0xc7,0xc5,0x40,0xd9,0xc4,0xd9,0x40 | 387 | .Lreset:.byte 0xc3,0xc8,0xc1,0xd5,0xc7,0xc5,0x40,0xd9,0xc4,0xd9,0x40 |
388 | .byte 0xc1,0xd3,0xd3,0x40,0xd2,0xc5,0xc5,0xd7,0x40,0xd5,0xd6 | 388 | .byte 0xc1,0xd3,0xd3,0x40,0xd2,0xc5,0xc5,0xd7,0x40,0xd5,0xd6 |
389 | .byte 0xc8,0xd6,0xd3,0xc4 # "change rdr all keep nohold" | 389 | .byte 0xc8,0xd6,0xd3,0xc4 # "change rdr all keep nohold" |
390 | .L_eof: .long 0xc5d6c600 /* C'EOF' */ | 390 | .L_eof: .long 0xc5d6c600 /* C'EOF' */ |
391 | .L_hdr: .long 0xc8c4d900 /* C'HDR' */ | 391 | .L_hdr: .long 0xc8c4d900 /* C'HDR' */ |
392 | 392 | ||
393 | #endif /* CONFIG_IPL */ | 393 | #endif /* CONFIG_IPL */ |
394 | 394 | ||
395 | # | 395 | # |
396 | # SALIPL loader support. Based on a patch by Rob van der Heij. | 396 | # SALIPL loader support. Based on a patch by Rob van der Heij. |
397 | # This entry point is called directly from the SALIPL loader and | 397 | # This entry point is called directly from the SALIPL loader and |
398 | # doesn't need a builtin ipl record. | 398 | # doesn't need a builtin ipl record. |
399 | # | 399 | # |
400 | .org 0x800 | 400 | .org 0x800 |
401 | .globl start | 401 | .globl start |
402 | start: | 402 | start: |
403 | stm %r0,%r15,0x07b0 # store registers | 403 | stm %r0,%r15,0x07b0 # store registers |
404 | basr %r12,%r0 | 404 | basr %r12,%r0 |
405 | .base: | 405 | .base: |
406 | l %r11,.parm | 406 | l %r11,.parm |
407 | l %r8,.cmd # pointer to command buffer | 407 | l %r8,.cmd # pointer to command buffer |
408 | 408 | ||
409 | ltr %r9,%r9 # do we have SALIPL parameters? | 409 | ltr %r9,%r9 # do we have SALIPL parameters? |
410 | bp .sk8x8 | 410 | bp .sk8x8 |
411 | 411 | ||
412 | mvc 0(64,%r8),0x00b0 # copy saved registers | 412 | mvc 0(64,%r8),0x00b0 # copy saved registers |
413 | xc 64(240-64,%r8),0(%r8) # remainder of buffer | 413 | xc 64(240-64,%r8),0(%r8) # remainder of buffer |
414 | tr 0(64,%r8),.lowcase | 414 | tr 0(64,%r8),.lowcase |
415 | b .gotr | 415 | b .gotr |
416 | .sk8x8: | 416 | .sk8x8: |
417 | mvc 0(240,%r8),0(%r9) # copy iplparms into buffer | 417 | mvc 0(240,%r8),0(%r9) # copy iplparms into buffer |
418 | .gotr: | 418 | .gotr: |
419 | l %r10,.tbl # EBCDIC to ASCII table | 419 | l %r10,.tbl # EBCDIC to ASCII table |
420 | tr 0(240,%r8),0(%r10) | 420 | tr 0(240,%r8),0(%r10) |
421 | stidp __LC_CPUID # Are we running on VM maybe | 421 | stidp __LC_CPUID # Are we running on VM maybe |
422 | cli __LC_CPUID,0xff | 422 | cli __LC_CPUID,0xff |
423 | bnz .test | 423 | bnz .test |
424 | .long 0x83300060 # diag 3,0,x'0060' - storage size | 424 | .long 0x83300060 # diag 3,0,x'0060' - storage size |
425 | b .done | 425 | b .done |
426 | .test: | 426 | .test: |
427 | mvc 0x68(8),.pgmnw # set up pgm check handler | 427 | mvc 0x68(8),.pgmnw # set up pgm check handler |
428 | l %r2,.fourmeg | 428 | l %r2,.fourmeg |
429 | lr %r3,%r2 | 429 | lr %r3,%r2 |
430 | bctr %r3,%r0 # 4M-1 | 430 | bctr %r3,%r0 # 4M-1 |
431 | .loop: iske %r0,%r3 | 431 | .loop: iske %r0,%r3 |
432 | ar %r3,%r2 | 432 | ar %r3,%r2 |
433 | .pgmx: | 433 | .pgmx: |
434 | sr %r3,%r2 | 434 | sr %r3,%r2 |
435 | la %r3,1(%r3) | 435 | la %r3,1(%r3) |
436 | .done: | 436 | .done: |
437 | l %r1,.memsize | 437 | l %r1,.memsize |
438 | st %r3,ARCH_OFFSET(%r1) | 438 | st %r3,ARCH_OFFSET(%r1) |
439 | slr %r0,%r0 | 439 | slr %r0,%r0 |
440 | st %r0,INITRD_SIZE+ARCH_OFFSET-PARMAREA(%r11) | 440 | st %r0,INITRD_SIZE+ARCH_OFFSET-PARMAREA(%r11) |
441 | st %r0,INITRD_START+ARCH_OFFSET-PARMAREA(%r11) | 441 | st %r0,INITRD_START+ARCH_OFFSET-PARMAREA(%r11) |
442 | j startup # continue with startup | 442 | j startup # continue with startup |
443 | .tbl: .long _ebcasc # translate table | 443 | .tbl: .long _ebcasc # translate table |
444 | .cmd: .long COMMAND_LINE # address of command line buffer | 444 | .cmd: .long COMMAND_LINE # address of command line buffer |
445 | .parm: .long PARMAREA | 445 | .parm: .long PARMAREA |
446 | .memsize: .long memory_size | 446 | .memsize: .long memory_size |
447 | .fourmeg: .long 0x00400000 # 4M | 447 | .fourmeg: .long 0x00400000 # 4M |
448 | .pgmnw: .long 0x00080000,.pgmx | 448 | .pgmnw: .long 0x00080000,.pgmx |
449 | .lowcase: | 449 | .lowcase: |
450 | .byte 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07 | 450 | .byte 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07 |
451 | .byte 0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f | 451 | .byte 0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f |
452 | .byte 0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17 | 452 | .byte 0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17 |
453 | .byte 0x18,0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f | 453 | .byte 0x18,0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f |
454 | .byte 0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27 | 454 | .byte 0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27 |
455 | .byte 0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f | 455 | .byte 0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f |
456 | .byte 0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37 | 456 | .byte 0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37 |
457 | .byte 0x38,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,0x3f | 457 | .byte 0x38,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,0x3f |
458 | .byte 0x40,0x41,0x42,0x43,0x44,0x45,0x46,0x47 | 458 | .byte 0x40,0x41,0x42,0x43,0x44,0x45,0x46,0x47 |
459 | .byte 0x48,0x49,0x4a,0x4b,0x4c,0x4d,0x4e,0x4f | 459 | .byte 0x48,0x49,0x4a,0x4b,0x4c,0x4d,0x4e,0x4f |
460 | .byte 0x50,0x51,0x52,0x53,0x54,0x55,0x56,0x57 | 460 | .byte 0x50,0x51,0x52,0x53,0x54,0x55,0x56,0x57 |
461 | .byte 0x58,0x59,0x5a,0x5b,0x5c,0x5d,0x5e,0x5f | 461 | .byte 0x58,0x59,0x5a,0x5b,0x5c,0x5d,0x5e,0x5f |
462 | .byte 0x60,0x61,0x62,0x63,0x64,0x65,0x66,0x67 | 462 | .byte 0x60,0x61,0x62,0x63,0x64,0x65,0x66,0x67 |
463 | .byte 0x68,0x69,0x6a,0x6b,0x6c,0x6d,0x6e,0x6f | 463 | .byte 0x68,0x69,0x6a,0x6b,0x6c,0x6d,0x6e,0x6f |
464 | .byte 0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77 | 464 | .byte 0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77 |
465 | .byte 0x78,0x79,0x7a,0x7b,0x7c,0x7d,0x7e,0x7f | 465 | .byte 0x78,0x79,0x7a,0x7b,0x7c,0x7d,0x7e,0x7f |
466 | 466 | ||
467 | .byte 0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87 | 467 | .byte 0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87 |
468 | .byte 0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f | 468 | .byte 0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f |
469 | .byte 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97 | 469 | .byte 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97 |
470 | .byte 0x98,0x99,0x9a,0x9b,0x9c,0x9d,0x9e,0x9f | 470 | .byte 0x98,0x99,0x9a,0x9b,0x9c,0x9d,0x9e,0x9f |
471 | .byte 0xa0,0xa1,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7 | 471 | .byte 0xa0,0xa1,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7 |
472 | .byte 0xa8,0xa9,0xaa,0xab,0xac,0xad,0xae,0xaf | 472 | .byte 0xa8,0xa9,0xaa,0xab,0xac,0xad,0xae,0xaf |
473 | .byte 0xb0,0xb1,0xb2,0xb3,0xb4,0xb5,0xb6,0xb7 | 473 | .byte 0xb0,0xb1,0xb2,0xb3,0xb4,0xb5,0xb6,0xb7 |
474 | .byte 0xb8,0xb9,0xba,0xbb,0xbc,0xbd,0xbe,0xbf | 474 | .byte 0xb8,0xb9,0xba,0xbb,0xbc,0xbd,0xbe,0xbf |
475 | .byte 0xc0,0x81,0x82,0x83,0x84,0x85,0x86,0x87 # .abcdefg | 475 | .byte 0xc0,0x81,0x82,0x83,0x84,0x85,0x86,0x87 # .abcdefg |
476 | .byte 0x88,0x89,0xca,0xcb,0xcc,0xcd,0xce,0xcf # hi | 476 | .byte 0x88,0x89,0xca,0xcb,0xcc,0xcd,0xce,0xcf # hi |
477 | .byte 0xd0,0x91,0x92,0x93,0x94,0x95,0x96,0x97 # .jklmnop | 477 | .byte 0xd0,0x91,0x92,0x93,0x94,0x95,0x96,0x97 # .jklmnop |
478 | .byte 0x98,0x99,0xda,0xdb,0xdc,0xdd,0xde,0xdf # qr | 478 | .byte 0x98,0x99,0xda,0xdb,0xdc,0xdd,0xde,0xdf # qr |
479 | .byte 0xe0,0xe1,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7 # ..stuvwx | 479 | .byte 0xe0,0xe1,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7 # ..stuvwx |
480 | .byte 0xa8,0xa9,0xea,0xeb,0xec,0xed,0xee,0xef # yz | 480 | .byte 0xa8,0xa9,0xea,0xeb,0xec,0xed,0xee,0xef # yz |
481 | .byte 0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,0xf7 | 481 | .byte 0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,0xf7 |
482 | .byte 0xf8,0xf9,0xfa,0xfb,0xfc,0xfd,0xfe,0xff | 482 | .byte 0xf8,0xf9,0xfa,0xfb,0xfc,0xfd,0xfe,0xff |
483 | 483 | ||
484 | #ifdef CONFIG_64BIT | 484 | #ifdef CONFIG_64BIT |
diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S index a8bdd96494c7..48998d50b00a 100644 --- a/arch/s390/kernel/head64.S +++ b/arch/s390/kernel/head64.S | |||
@@ -15,232 +15,232 @@ | |||
15 | # this is called either by the ipl loader or directly by PSW restart | 15 | # this is called either by the ipl loader or directly by PSW restart |
16 | # or linload or SALIPL | 16 | # or linload or SALIPL |
17 | # | 17 | # |
18 | .org 0x10000 | 18 | .org 0x10000 |
19 | startup:basr %r13,0 # get base | 19 | startup:basr %r13,0 # get base |
20 | .LPG0: l %r13,0f-.LPG0(%r13) | 20 | .LPG0: l %r13,0f-.LPG0(%r13) |
21 | b 0(%r13) | 21 | b 0(%r13) |
22 | 0: .long startup_continue | 22 | 0: .long startup_continue |
23 | 23 | ||
24 | # | 24 | # |
25 | # params at 10400 (setup.h) | 25 | # params at 10400 (setup.h) |
26 | # | 26 | # |
27 | .org PARMAREA | 27 | .org PARMAREA |
28 | .quad 0 # IPL_DEVICE | 28 | .quad 0 # IPL_DEVICE |
29 | .quad 0 # INITRD_START | 29 | .quad 0 # INITRD_START |
30 | .quad 0 # INITRD_SIZE | 30 | .quad 0 # INITRD_SIZE |
31 | 31 | ||
32 | .org COMMAND_LINE | 32 | .org COMMAND_LINE |
33 | .byte "root=/dev/ram0 ro" | 33 | .byte "root=/dev/ram0 ro" |
34 | .byte 0 | 34 | .byte 0 |
35 | 35 | ||
36 | .org 0x11000 | 36 | .org 0x11000 |
37 | 37 | ||
38 | startup_continue: | 38 | startup_continue: |
39 | basr %r13,0 # get base | 39 | basr %r13,0 # get base |
40 | .LPG1: sll %r13,1 # remove high order bit | 40 | .LPG1: sll %r13,1 # remove high order bit |
41 | srl %r13,1 | 41 | srl %r13,1 |
42 | lhi %r1,1 # mode 1 = esame | 42 | lhi %r1,1 # mode 1 = esame |
43 | mvi __LC_AR_MODE_ID,1 # set esame flag | 43 | mvi __LC_AR_MODE_ID,1 # set esame flag |
44 | slr %r0,%r0 # set cpuid to zero | 44 | slr %r0,%r0 # set cpuid to zero |
45 | sigp %r1,%r0,0x12 # switch to esame mode | 45 | sigp %r1,%r0,0x12 # switch to esame mode |
46 | sam64 # switch to 64 bit mode | 46 | sam64 # switch to 64 bit mode |
47 | lctlg %c0,%c15,.Lctl-.LPG1(%r13) # load control registers | 47 | lctlg %c0,%c15,.Lctl-.LPG1(%r13) # load control registers |
48 | lg %r12,.Lparmaddr-.LPG1(%r13)# pointer to parameter area | 48 | lg %r12,.Lparmaddr-.LPG1(%r13) # pointer to parameter area |
49 | # move IPL device to lowcore | 49 | # move IPL device to lowcore |
50 | mvc __LC_IPLDEV(4),IPL_DEVICE+4-PARMAREA(%r12) | 50 | mvc __LC_IPLDEV(4),IPL_DEVICE+4-PARMAREA(%r12) |
51 | # | 51 | # |
52 | # Setup stack | 52 | # Setup stack |
53 | # | 53 | # |
54 | larl %r15,init_thread_union | 54 | larl %r15,init_thread_union |
55 | lg %r14,__TI_task(%r15) # cache current in lowcore | 55 | lg %r14,__TI_task(%r15) # cache current in lowcore |
56 | stg %r14,__LC_CURRENT | 56 | stg %r14,__LC_CURRENT |
57 | aghi %r15,1<<(PAGE_SHIFT+THREAD_ORDER) # init_task_union + THREAD_SIZE | 57 | aghi %r15,1<<(PAGE_SHIFT+THREAD_ORDER) # init_task_union + THREAD_SIZE |
58 | stg %r15,__LC_KERNEL_STACK # set end of kernel stack | 58 | stg %r15,__LC_KERNEL_STACK # set end of kernel stack |
59 | aghi %r15,-160 | 59 | aghi %r15,-160 |
60 | xc __SF_BACKCHAIN(4,%r15),__SF_BACKCHAIN(%r15) # clear backchain | 60 | xc __SF_BACKCHAIN(4,%r15),__SF_BACKCHAIN(%r15) # clear backchain |
61 | 61 | ||
62 | brasl %r14,ipl_save_parameters | 62 | brasl %r14,ipl_save_parameters |
63 | # | 63 | # |
64 | # clear bss memory | 64 | # clear bss memory |
65 | # | 65 | # |
66 | larl %r2,__bss_start # start of bss segment | 66 | larl %r2,__bss_start # start of bss segment |
67 | larl %r3,_end # end of bss segment | 67 | larl %r3,_end # end of bss segment |
68 | sgr %r3,%r2 # length of bss | 68 | sgr %r3,%r2 # length of bss |
69 | sgr %r4,%r4 # | 69 | sgr %r4,%r4 # |
70 | sgr %r5,%r5 # set src,length and pad to zero | 70 | sgr %r5,%r5 # set src,length and pad to zero |
71 | mvcle %r2,%r4,0 # clear mem | 71 | mvcle %r2,%r4,0 # clear mem |
72 | jo .-4 # branch back, if not finish | 72 | jo .-4 # branch back, if not finish |
73 | 73 | ||
74 | l %r2,.Lrcp-.LPG1(%r13) # Read SCP forced command word | 74 | l %r2,.Lrcp-.LPG1(%r13) # Read SCP forced command word |
75 | .Lservicecall: | 75 | .Lservicecall: |
76 | stosm .Lpmask-.LPG1(%r13),0x01 # authorize ext interrupts | 76 | stosm .Lpmask-.LPG1(%r13),0x01 # authorize ext interrupts |
77 | 77 | ||
78 | stctg %r0,%r0,.Lcr-.LPG1(%r13) # get cr0 | 78 | stctg %r0,%r0,.Lcr-.LPG1(%r13) # get cr0 |
79 | la %r1,0x200 # set bit 22 | 79 | la %r1,0x200 # set bit 22 |
80 | og %r1,.Lcr-.LPG1(%r13) # or old cr0 with r1 | 80 | og %r1,.Lcr-.LPG1(%r13) # or old cr0 with r1 |
81 | stg %r1,.Lcr-.LPG1(%r13) | 81 | stg %r1,.Lcr-.LPG1(%r13) |
82 | lctlg %r0,%r0,.Lcr-.LPG1(%r13) # load modified cr0 | 82 | lctlg %r0,%r0,.Lcr-.LPG1(%r13) # load modified cr0 |
83 | 83 | ||
84 | mvc __LC_EXT_NEW_PSW(8),.Lpcmsk-.LPG1(%r13) # set postcall psw | 84 | mvc __LC_EXT_NEW_PSW(8),.Lpcmsk-.LPG1(%r13) # set postcall psw |
85 | larl %r1,.Lsclph | 85 | larl %r1,.Lsclph |
86 | stg %r1,__LC_EXT_NEW_PSW+8 # set handler | 86 | stg %r1,__LC_EXT_NEW_PSW+8 # set handler |
87 | 87 | ||
88 | larl %r4,.Lsccb # %r4 is our index for sccb stuff | 88 | larl %r4,.Lsccb # %r4 is our index for sccb stuff |
89 | lgr %r1,%r4 # our sccb | 89 | lgr %r1,%r4 # our sccb |
90 | .insn rre,0xb2200000,%r2,%r1 # service call | 90 | .insn rre,0xb2200000,%r2,%r1 # service call |
91 | ipm %r1 | 91 | ipm %r1 |
92 | srl %r1,28 # get cc code | 92 | srl %r1,28 # get cc code |
93 | xr %r3,%r3 | 93 | xr %r3,%r3 |
94 | chi %r1,3 | 94 | chi %r1,3 |
95 | be .Lfchunk-.LPG1(%r13) # leave | 95 | be .Lfchunk-.LPG1(%r13) # leave |
96 | chi %r1,2 | 96 | chi %r1,2 |
97 | be .Lservicecall-.LPG1(%r13) | 97 | be .Lservicecall-.LPG1(%r13) |
98 | lpswe .Lwaitsclp-.LPG1(%r13) | 98 | lpswe .Lwaitsclp-.LPG1(%r13) |
99 | .Lsclph: | 99 | .Lsclph: |
100 | lh %r1,.Lsccbr-.Lsccb(%r4) | 100 | lh %r1,.Lsccbr-.Lsccb(%r4) |
101 | chi %r1,0x10 # 0x0010 is the sucess code | 101 | chi %r1,0x10 # 0x0010 is the sucess code |
102 | je .Lprocsccb # let's process the sccb | 102 | je .Lprocsccb # let's process the sccb |
103 | chi %r1,0x1f0 | 103 | chi %r1,0x1f0 |
104 | bne .Lfchunk-.LPG1(%r13) # unhandled error code | 104 | bne .Lfchunk-.LPG1(%r13) # unhandled error code |
105 | c %r2,.Lrcp-.LPG1(%r13) # Did we try Read SCP forced | 105 | c %r2,.Lrcp-.LPG1(%r13) # Did we try Read SCP forced |
106 | bne .Lfchunk-.LPG1(%r13) # if no, give up | 106 | bne .Lfchunk-.LPG1(%r13) # if no, give up |
107 | l %r2,.Lrcp2-.LPG1(%r13) # try with Read SCP | 107 | l %r2,.Lrcp2-.LPG1(%r13) # try with Read SCP |
108 | b .Lservicecall-.LPG1(%r13) | 108 | b .Lservicecall-.LPG1(%r13) |
109 | .Lprocsccb: | 109 | .Lprocsccb: |
110 | lghi %r1,0 | 110 | lghi %r1,0 |
111 | icm %r1,3,.Lscpincr1-.Lsccb(%r4) # use this one if != 0 | 111 | icm %r1,3,.Lscpincr1-.Lsccb(%r4) # use this one if != 0 |
112 | jnz .Lscnd | 112 | jnz .Lscnd |
113 | lg %r1,.Lscpincr2-.Lsccb(%r4) # otherwise use this one | 113 | lg %r1,.Lscpincr2-.Lsccb(%r4) # otherwise use this one |
114 | .Lscnd: | 114 | .Lscnd: |
115 | xr %r3,%r3 # same logic | 115 | xr %r3,%r3 # same logic |
116 | ic %r3,.Lscpa1-.Lsccb(%r4) | 116 | ic %r3,.Lscpa1-.Lsccb(%r4) |
117 | chi %r3,0x00 | 117 | chi %r3,0x00 |
118 | jne .Lcompmem | 118 | jne .Lcompmem |
119 | l %r3,.Lscpa2-.Lsccb(%r4) | 119 | l %r3,.Lscpa2-.Lsccb(%r4) |
120 | .Lcompmem: | 120 | .Lcompmem: |
121 | mlgr %r2,%r1 # mem in MB on 128-bit | 121 | mlgr %r2,%r1 # mem in MB on 128-bit |
122 | l %r1,.Lonemb-.LPG1(%r13) | 122 | l %r1,.Lonemb-.LPG1(%r13) |
123 | mlgr %r2,%r1 # mem size in bytes in %r3 | 123 | mlgr %r2,%r1 # mem size in bytes in %r3 |
124 | b .Lfchunk-.LPG1(%r13) | 124 | b .Lfchunk-.LPG1(%r13) |
125 | 125 | ||
126 | .align 4 | 126 | .align 4 |
127 | .Lpmask: | 127 | .Lpmask: |
128 | .byte 0 | 128 | .byte 0 |
129 | .align 8 | 129 | .align 8 |
130 | .Lcr: | 130 | .Lcr: |
131 | .quad 0x00 # place holder for cr0 | 131 | .quad 0x00 # place holder for cr0 |
132 | .Lwaitsclp: | 132 | .Lwaitsclp: |
133 | .quad 0x0102000180000000,.Lsclph | 133 | .quad 0x0102000180000000,.Lsclph |
134 | .Lrcp: | 134 | .Lrcp: |
135 | .int 0x00120001 # Read SCP forced code | 135 | .int 0x00120001 # Read SCP forced code |
136 | .Lrcp2: | 136 | .Lrcp2: |
137 | .int 0x00020001 # Read SCP code | 137 | .int 0x00020001 # Read SCP code |
138 | .Lonemb: | 138 | .Lonemb: |
139 | .int 0x100000 | 139 | .int 0x100000 |
140 | 140 | ||
141 | .Lfchunk: | 141 | .Lfchunk: |
142 | # set program check new psw mask | 142 | # set program check new psw mask |
143 | mvc __LC_PGM_NEW_PSW(8),.Lpcmsk-.LPG1(%r13) | 143 | mvc __LC_PGM_NEW_PSW(8),.Lpcmsk-.LPG1(%r13) |
144 | 144 | ||
145 | # | 145 | # |
146 | # find memory chunks. | 146 | # find memory chunks. |
147 | # | 147 | # |
148 | lgr %r9,%r3 # end of mem | 148 | lgr %r9,%r3 # end of mem |
149 | larl %r1,.Lchkmem # set program check address | 149 | larl %r1,.Lchkmem # set program check address |
150 | stg %r1,__LC_PGM_NEW_PSW+8 | 150 | stg %r1,__LC_PGM_NEW_PSW+8 |
151 | la %r1,1 # test in increments of 128KB | 151 | la %r1,1 # test in increments of 128KB |
152 | sllg %r1,%r1,17 | 152 | sllg %r1,%r1,17 |
153 | larl %r3,memory_chunk | 153 | larl %r3,memory_chunk |
154 | slgr %r4,%r4 # set start of chunk to zero | 154 | slgr %r4,%r4 # set start of chunk to zero |
155 | slgr %r5,%r5 # set end of chunk to zero | 155 | slgr %r5,%r5 # set end of chunk to zero |
156 | slr %r6,%r6 # set access code to zero | 156 | slr %r6,%r6 # set access code to zero |
157 | la %r10,MEMORY_CHUNKS # number of chunks | 157 | la %r10,MEMORY_CHUNKS # number of chunks |
158 | .Lloop: | 158 | .Lloop: |
159 | tprot 0(%r5),0 # test protection of first byte | 159 | tprot 0(%r5),0 # test protection of first byte |
160 | ipm %r7 | 160 | ipm %r7 |
161 | srl %r7,28 | 161 | srl %r7,28 |
162 | clr %r6,%r7 # compare cc with last access code | 162 | clr %r6,%r7 # compare cc with last access code |
163 | je .Lsame | 163 | je .Lsame |
164 | j .Lchkmem | 164 | j .Lchkmem |
165 | .Lsame: | 165 | .Lsame: |
166 | algr %r5,%r1 # add 128KB to end of chunk | 166 | algr %r5,%r1 # add 128KB to end of chunk |
167 | # no need to check here, | 167 | # no need to check here, |
168 | brc 12,.Lloop # this is the same chunk | 168 | brc 12,.Lloop # this is the same chunk |
169 | .Lchkmem: # > 16EB or tprot got a program check | 169 | .Lchkmem: # > 16EB or tprot got a program check |
170 | clgr %r4,%r5 # chunk size > 0? | 170 | clgr %r4,%r5 # chunk size > 0? |
171 | je .Lchkloop | 171 | je .Lchkloop |
172 | stg %r4,0(%r3) # store start address of chunk | 172 | stg %r4,0(%r3) # store start address of chunk |
173 | lgr %r0,%r5 | 173 | lgr %r0,%r5 |
174 | slgr %r0,%r4 | 174 | slgr %r0,%r4 |
175 | stg %r0,8(%r3) # store size of chunk | 175 | stg %r0,8(%r3) # store size of chunk |
176 | st %r6,20(%r3) # store type of chunk | 176 | st %r6,20(%r3) # store type of chunk |
177 | la %r3,24(%r3) | 177 | la %r3,24(%r3) |
178 | larl %r8,memory_size | 178 | larl %r8,memory_size |
179 | stg %r5,0(%r8) # store memory size | 179 | stg %r5,0(%r8) # store memory size |
180 | ahi %r10,-1 # update chunk number | 180 | ahi %r10,-1 # update chunk number |
181 | .Lchkloop: | 181 | .Lchkloop: |
182 | lr %r6,%r7 # set access code to last cc | 182 | lr %r6,%r7 # set access code to last cc |
183 | # we got an exception or we're starting a new | 183 | # we got an exception or we're starting a new |
184 | # chunk , we must check if we should | 184 | # chunk , we must check if we should |
185 | # still try to find valid memory (if we detected | 185 | # still try to find valid memory (if we detected |
186 | # the amount of available storage), and if we | 186 | # the amount of available storage), and if we |
187 | # have chunks left | 187 | # have chunks left |
188 | lghi %r4,1 | 188 | lghi %r4,1 |
189 | sllg %r4,%r4,31 | 189 | sllg %r4,%r4,31 |
190 | clgr %r5,%r4 | 190 | clgr %r5,%r4 |
191 | je .Lhsaskip | 191 | je .Lhsaskip |
192 | xr %r0, %r0 | 192 | xr %r0, %r0 |
193 | clgr %r0, %r9 # did we detect memory? | 193 | clgr %r0, %r9 # did we detect memory? |
194 | je .Ldonemem # if not, leave | 194 | je .Ldonemem # if not, leave |
195 | chi %r10, 0 # do we have chunks left? | 195 | chi %r10, 0 # do we have chunks left? |
196 | je .Ldonemem | 196 | je .Ldonemem |
197 | .Lhsaskip: | 197 | .Lhsaskip: |
198 | algr %r5,%r1 # add 128KB to end of chunk | 198 | algr %r5,%r1 # add 128KB to end of chunk |
199 | lgr %r4,%r5 # potential new chunk | 199 | lgr %r4,%r5 # potential new chunk |
200 | clgr %r5,%r9 # should we go on? | 200 | clgr %r5,%r9 # should we go on? |
201 | jl .Lloop | 201 | jl .Lloop |
202 | .Ldonemem: | 202 | .Ldonemem: |
203 | 203 | ||
204 | larl %r12,machine_flags | 204 | larl %r12,machine_flags |
205 | # | 205 | # |
206 | # find out if we are running under VM | 206 | # find out if we are running under VM |
207 | # | 207 | # |
208 | stidp __LC_CPUID # store cpuid | 208 | stidp __LC_CPUID # store cpuid |
209 | tm __LC_CPUID,0xff # running under VM ? | 209 | tm __LC_CPUID,0xff # running under VM ? |
210 | bno 0f-.LPG1(%r13) | 210 | bno 0f-.LPG1(%r13) |
211 | oi 7(%r12),1 # set VM flag | 211 | oi 7(%r12),1 # set VM flag |
212 | 0: lh %r0,__LC_CPUID+4 # get cpu version | 212 | 0: lh %r0,__LC_CPUID+4 # get cpu version |
213 | chi %r0,0x7490 # running on a P/390 ? | 213 | chi %r0,0x7490 # running on a P/390 ? |
214 | bne 1f-.LPG1(%r13) | 214 | bne 1f-.LPG1(%r13) |
215 | oi 7(%r12),4 # set P/390 flag | 215 | oi 7(%r12),4 # set P/390 flag |
216 | 1: | 216 | 1: |
217 | 217 | ||
218 | # | 218 | # |
219 | # find out if we have the MVPG instruction | 219 | # find out if we have the MVPG instruction |
220 | # | 220 | # |
221 | la %r1,0f-.LPG1(%r13) # set program check address | 221 | la %r1,0f-.LPG1(%r13) # set program check address |
222 | stg %r1,__LC_PGM_NEW_PSW+8 | 222 | stg %r1,__LC_PGM_NEW_PSW+8 |
223 | sgr %r0,%r0 | 223 | sgr %r0,%r0 |
224 | lghi %r1,0 | 224 | lghi %r1,0 |
225 | lghi %r2,0 | 225 | lghi %r2,0 |
226 | mvpg %r1,%r2 # test MVPG instruction | 226 | mvpg %r1,%r2 # test MVPG instruction |
227 | oi 7(%r12),16 # set MVPG flag | 227 | oi 7(%r12),16 # set MVPG flag |
228 | 0: | 228 | 0: |
229 | 229 | ||
230 | # | 230 | # |
231 | # find out if the diag 0x44 works in 64 bit mode | 231 | # find out if the diag 0x44 works in 64 bit mode |
232 | # | 232 | # |
233 | la %r1,0f-.LPG1(%r13) # set program check address | 233 | la %r1,0f-.LPG1(%r13) # set program check address |
234 | stg %r1,__LC_PGM_NEW_PSW+8 | 234 | stg %r1,__LC_PGM_NEW_PSW+8 |
235 | diag 0,0,0x44 # test diag 0x44 | 235 | diag 0,0,0x44 # test diag 0x44 |
236 | oi 7(%r12),32 # set diag44 flag | 236 | oi 7(%r12),32 # set diag44 flag |
237 | 0: | 237 | 0: |
238 | 238 | ||
239 | # | 239 | # |
240 | # find out if we have the IDTE instruction | 240 | # find out if we have the IDTE instruction |
241 | # | 241 | # |
242 | la %r1,0f-.LPG1(%r13) # set program check address | 242 | la %r1,0f-.LPG1(%r13) # set program check address |
243 | stg %r1,__LC_PGM_NEW_PSW+8 | 243 | stg %r1,__LC_PGM_NEW_PSW+8 |
244 | .long 0xb2b10000 # store facility list | 244 | .long 0xb2b10000 # store facility list |
245 | tm 0xc8,0x08 # check bit for clearing-by-ASCE | 245 | tm 0xc8,0x08 # check bit for clearing-by-ASCE |
246 | bno 0f-.LPG1(%r13) | 246 | bno 0f-.LPG1(%r13) |
@@ -263,45 +263,45 @@ startup_continue: | |||
263 | oi 6(%r12),2 # set MVCOS flag | 263 | oi 6(%r12),2 # set MVCOS flag |
264 | 1: | 264 | 1: |
265 | 265 | ||
266 | lpswe .Lentry-.LPG1(13) # jump to _stext in primary-space, | 266 | lpswe .Lentry-.LPG1(13) # jump to _stext in primary-space, |
267 | # virtual and never return ... | 267 | # virtual and never return ... |
268 | .align 16 | 268 | .align 16 |
269 | .Lentry:.quad 0x0000000180000000,_stext | 269 | .Lentry:.quad 0x0000000180000000,_stext |
270 | .Lctl: .quad 0x04b50002 # cr0: various things | 270 | .Lctl: .quad 0x04b50002 # cr0: various things |
271 | .quad 0 # cr1: primary space segment table | 271 | .quad 0 # cr1: primary space segment table |
272 | .quad .Lduct # cr2: dispatchable unit control table | 272 | .quad .Lduct # cr2: dispatchable unit control table |
273 | .quad 0 # cr3: instruction authorization | 273 | .quad 0 # cr3: instruction authorization |
274 | .quad 0 # cr4: instruction authorization | 274 | .quad 0 # cr4: instruction authorization |
275 | .quad 0xffffffffffffffff # cr5: primary-aste origin | 275 | .quad 0xffffffffffffffff # cr5: primary-aste origin |
276 | .quad 0 # cr6: I/O interrupts | 276 | .quad 0 # cr6: I/O interrupts |
277 | .quad 0 # cr7: secondary space segment table | 277 | .quad 0 # cr7: secondary space segment table |
278 | .quad 0 # cr8: access registers translation | 278 | .quad 0 # cr8: access registers translation |
279 | .quad 0 # cr9: tracing off | 279 | .quad 0 # cr9: tracing off |
280 | .quad 0 # cr10: tracing off | 280 | .quad 0 # cr10: tracing off |
281 | .quad 0 # cr11: tracing off | 281 | .quad 0 # cr11: tracing off |
282 | .quad 0 # cr12: tracing off | 282 | .quad 0 # cr12: tracing off |
283 | .quad 0 # cr13: home space segment table | 283 | .quad 0 # cr13: home space segment table |
284 | .quad 0xc0000000 # cr14: machine check handling off | 284 | .quad 0xc0000000 # cr14: machine check handling off |
285 | .quad 0 # cr15: linkage stack operations | 285 | .quad 0 # cr15: linkage stack operations |
286 | .Lduct: .long 0,0,0,0,0,0,0,0 | 286 | .Lduct: .long 0,0,0,0,0,0,0,0 |
287 | .long 0,0,0,0,0,0,0,0 | 287 | .long 0,0,0,0,0,0,0,0 |
288 | .Lpcmsk:.quad 0x0000000180000000 | 288 | .Lpcmsk:.quad 0x0000000180000000 |
289 | .L4malign:.quad 0xffffffffffc00000 | 289 | .L4malign:.quad 0xffffffffffc00000 |
290 | .Lscan2g:.quad 0x80000000 + 0x20000 - 8 # 2GB + 128K - 8 | 290 | .Lscan2g:.quad 0x80000000 + 0x20000 - 8 # 2GB + 128K - 8 |
291 | .Lnop: .long 0x07000700 | 291 | .Lnop: .long 0x07000700 |
292 | .Lparmaddr: | 292 | .Lparmaddr: |
293 | .quad PARMAREA | 293 | .quad PARMAREA |
294 | 294 | ||
295 | .globl ipl_schib | 295 | .globl ipl_schib |
296 | ipl_schib: | 296 | ipl_schib: |
297 | .rept 13 | 297 | .rept 13 |
298 | .long 0 | 298 | .long 0 |
299 | .endr | 299 | .endr |
300 | 300 | ||
301 | .globl ipl_flags | 301 | .globl ipl_flags |
302 | ipl_flags: | 302 | ipl_flags: |
303 | .long 0 | 303 | .long 0 |
304 | .globl ipl_devno | 304 | .globl ipl_devno |
305 | ipl_devno: | 305 | ipl_devno: |
306 | .word 0 | 306 | .word 0 |
307 | 307 | ||
@@ -309,47 +309,47 @@ ipl_devno: | |||
309 | .globl s390_readinfo_sccb | 309 | .globl s390_readinfo_sccb |
310 | s390_readinfo_sccb: | 310 | s390_readinfo_sccb: |
311 | .Lsccb: | 311 | .Lsccb: |
312 | .hword 0x1000 # length, one page | 312 | .hword 0x1000 # length, one page |
313 | .byte 0x00,0x00,0x00 | 313 | .byte 0x00,0x00,0x00 |
314 | .byte 0x80 # variable response bit set | 314 | .byte 0x80 # variable response bit set |
315 | .Lsccbr: | 315 | .Lsccbr: |
316 | .hword 0x00 # response code | 316 | .hword 0x00 # response code |
317 | .Lscpincr1: | 317 | .Lscpincr1: |
318 | .hword 0x00 | 318 | .hword 0x00 |
319 | .Lscpa1: | 319 | .Lscpa1: |
320 | .byte 0x00 | 320 | .byte 0x00 |
321 | .fill 89,1,0 | 321 | .fill 89,1,0 |
322 | .Lscpa2: | 322 | .Lscpa2: |
323 | .int 0x00 | 323 | .int 0x00 |
324 | .Lscpincr2: | 324 | .Lscpincr2: |
325 | .quad 0x00 | 325 | .quad 0x00 |
326 | .fill 3984,1,0 | 326 | .fill 3984,1,0 |
327 | .org 0x13000 | 327 | .org 0x13000 |
328 | 328 | ||
329 | #ifdef CONFIG_SHARED_KERNEL | 329 | #ifdef CONFIG_SHARED_KERNEL |
330 | .org 0x100000 | 330 | .org 0x100000 |
331 | #endif | 331 | #endif |
332 | 332 | ||
333 | # | 333 | # |
334 | # startup-code, running in absolute addressing mode | 334 | # startup-code, running in absolute addressing mode |
335 | # | 335 | # |
336 | .globl _stext | 336 | .globl _stext |
337 | _stext: basr %r13,0 # get base | 337 | _stext: basr %r13,0 # get base |
338 | .LPG3: | 338 | .LPG3: |
339 | # check control registers | 339 | # check control registers |
340 | stctg %c0,%c15,0(%r15) | 340 | stctg %c0,%c15,0(%r15) |
341 | oi 6(%r15),0x40 # enable sigp emergency signal | 341 | oi 6(%r15),0x40 # enable sigp emergency signal |
342 | oi 4(%r15),0x10 # switch on low address proctection | 342 | oi 4(%r15),0x10 # switch on low address proctection |
343 | lctlg %c0,%c15,0(%r15) | 343 | lctlg %c0,%c15,0(%r15) |
344 | 344 | ||
345 | lam 0,15,.Laregs-.LPG3(%r13) # load access regs needed by uaccess | 345 | lam 0,15,.Laregs-.LPG3(%r13) # load acrs needed by uaccess |
346 | brasl %r14,start_kernel # go to C code | 346 | brasl %r14,start_kernel # go to C code |
347 | # | 347 | # |
348 | # We returned from start_kernel ?!? PANIK | 348 | # We returned from start_kernel ?!? PANIK |
349 | # | 349 | # |
350 | basr %r13,0 | 350 | basr %r13,0 |
351 | lpswe .Ldw-.(%r13) # load disabled wait psw | 351 | lpswe .Ldw-.(%r13) # load disabled wait psw |
352 | 352 | ||
353 | .align 8 | 353 | .align 8 |
354 | .Ldw: .quad 0x0002000180000000,0x0000000000000000 | 354 | .Ldw: .quad 0x0002000180000000,0x0000000000000000 |
355 | .Laregs: .long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 | 355 | .Laregs:.long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 |
diff --git a/arch/s390/kernel/reipl.S b/arch/s390/kernel/reipl.S index 4562cdbce8eb..0340477f3b08 100644 --- a/arch/s390/kernel/reipl.S +++ b/arch/s390/kernel/reipl.S | |||
@@ -32,58 +32,58 @@ do_reipl_asm: basr %r13,0 | |||
32 | st %r13, __LC_PSW_SAVE_AREA+4 | 32 | st %r13, __LC_PSW_SAVE_AREA+4 |
33 | 33 | ||
34 | lctl %c6,%c6,.Lall-.Lpg0(%r13) | 34 | lctl %c6,%c6,.Lall-.Lpg0(%r13) |
35 | lr %r1,%r2 | 35 | lr %r1,%r2 |
36 | mvc __LC_PGM_NEW_PSW(8),.Lpcnew-.Lpg0(%r13) | 36 | mvc __LC_PGM_NEW_PSW(8),.Lpcnew-.Lpg0(%r13) |
37 | stsch .Lschib-.Lpg0(%r13) | 37 | stsch .Lschib-.Lpg0(%r13) |
38 | oi .Lschib+5-.Lpg0(%r13),0x84 | 38 | oi .Lschib+5-.Lpg0(%r13),0x84 |
39 | .Lecs: xi .Lschib+27-.Lpg0(%r13),0x01 | 39 | .Lecs: xi .Lschib+27-.Lpg0(%r13),0x01 |
40 | msch .Lschib-.Lpg0(%r13) | 40 | msch .Lschib-.Lpg0(%r13) |
41 | lhi %r0,5 | 41 | lhi %r0,5 |
42 | .Lssch: ssch .Liplorb-.Lpg0(%r13) | 42 | .Lssch: ssch .Liplorb-.Lpg0(%r13) |
43 | jz .L001 | 43 | jz .L001 |
44 | brct %r0,.Lssch | 44 | brct %r0,.Lssch |
45 | bas %r14,.Ldisab-.Lpg0(%r13) | 45 | bas %r14,.Ldisab-.Lpg0(%r13) |
46 | .L001: mvc __LC_IO_NEW_PSW(8),.Lionew-.Lpg0(%r13) | 46 | .L001: mvc __LC_IO_NEW_PSW(8),.Lionew-.Lpg0(%r13) |
47 | .Ltpi: lpsw .Lwaitpsw-.Lpg0(%r13) | 47 | .Ltpi: lpsw .Lwaitpsw-.Lpg0(%r13) |
48 | .Lcont: c %r1,__LC_SUBCHANNEL_ID | 48 | .Lcont: c %r1,__LC_SUBCHANNEL_ID |
49 | jnz .Ltpi | 49 | jnz .Ltpi |
50 | clc __LC_IO_INT_PARM(4),.Liplorb-.Lpg0(%r13) | 50 | clc __LC_IO_INT_PARM(4),.Liplorb-.Lpg0(%r13) |
51 | jnz .Ltpi | 51 | jnz .Ltpi |
52 | tsch .Liplirb-.Lpg0(%r13) | 52 | tsch .Liplirb-.Lpg0(%r13) |
53 | tm .Liplirb+9-.Lpg0(%r13),0xbf | 53 | tm .Liplirb+9-.Lpg0(%r13),0xbf |
54 | jz .L002 | 54 | jz .L002 |
55 | bas %r14,.Ldisab-.Lpg0(%r13) | 55 | bas %r14,.Ldisab-.Lpg0(%r13) |
56 | .L002: tm .Liplirb+8-.Lpg0(%r13),0xf3 | 56 | .L002: tm .Liplirb+8-.Lpg0(%r13),0xf3 |
57 | jz .L003 | 57 | jz .L003 |
58 | bas %r14,.Ldisab-.Lpg0(%r13) | 58 | bas %r14,.Ldisab-.Lpg0(%r13) |
59 | .L003: spx .Lnull-.Lpg0(%r13) | 59 | .L003: spx .Lnull-.Lpg0(%r13) |
60 | st %r1,__LC_SUBCHANNEL_ID | 60 | st %r1,__LC_SUBCHANNEL_ID |
61 | lpsw 0 | 61 | lpsw 0 |
62 | sigp 0,0,0(6) | 62 | sigp 0,0,0(6) |
63 | .Ldisab: st %r14,.Ldispsw+4-.Lpg0(%r13) | 63 | .Ldisab: st %r14,.Ldispsw+4-.Lpg0(%r13) |
64 | lpsw .Ldispsw-.Lpg0(%r13) | 64 | lpsw .Ldispsw-.Lpg0(%r13) |
65 | .align 8 | 65 | .align 8 |
66 | .Lclkcmp: .quad 0x0000000000000000 | 66 | .Lclkcmp: .quad 0x0000000000000000 |
67 | .Lall: .long 0xff000000 | 67 | .Lall: .long 0xff000000 |
68 | .Lnull: .long 0x00000000 | 68 | .Lnull: .long 0x00000000 |
69 | .Lctlsave1: .long 0x00000000 | 69 | .Lctlsave1: .long 0x00000000 |
70 | .Lctlsave2: .long 0x00000000 | 70 | .Lctlsave2: .long 0x00000000 |
71 | .align 8 | 71 | .align 8 |
72 | .Lnewpsw: .long 0x00080000,0x80000000+.Lpg1 | 72 | .Lnewpsw: .long 0x00080000,0x80000000+.Lpg1 |
73 | .Lpcnew: .long 0x00080000,0x80000000+.Lecs | 73 | .Lpcnew: .long 0x00080000,0x80000000+.Lecs |
74 | .Lionew: .long 0x00080000,0x80000000+.Lcont | 74 | .Lionew: .long 0x00080000,0x80000000+.Lcont |
75 | .Lwaitpsw: .long 0x020a0000,0x00000000+.Ltpi | 75 | .Lwaitpsw: .long 0x020a0000,0x00000000+.Ltpi |
76 | .Ldispsw: .long 0x000a0000,0x00000000 | 76 | .Ldispsw: .long 0x000a0000,0x00000000 |
77 | .Liplccws: .long 0x02000000,0x60000018 | 77 | .Liplccws: .long 0x02000000,0x60000018 |
78 | .long 0x08000008,0x20000001 | 78 | .long 0x08000008,0x20000001 |
79 | .Liplorb: .long 0x0049504c,0x0040ff80 | 79 | .Liplorb: .long 0x0049504c,0x0040ff80 |
80 | .long 0x00000000+.Liplccws | 80 | .long 0x00000000+.Liplccws |
81 | .Lschib: .long 0x00000000,0x00000000 | 81 | .Lschib: .long 0x00000000,0x00000000 |
82 | .long 0x00000000,0x00000000 | 82 | .long 0x00000000,0x00000000 |
83 | .long 0x00000000,0x00000000 | 83 | .long 0x00000000,0x00000000 |
84 | .long 0x00000000,0x00000000 | 84 | .long 0x00000000,0x00000000 |
85 | .long 0x00000000,0x00000000 | 85 | .long 0x00000000,0x00000000 |
86 | .long 0x00000000,0x00000000 | 86 | .long 0x00000000,0x00000000 |
87 | .Liplirb: .long 0x00000000,0x00000000 | 87 | .Liplirb: .long 0x00000000,0x00000000 |
88 | .long 0x00000000,0x00000000 | 88 | .long 0x00000000,0x00000000 |
89 | .long 0x00000000,0x00000000 | 89 | .long 0x00000000,0x00000000 |
@@ -92,6 +92,3 @@ do_reipl_asm: basr %r13,0 | |||
92 | .long 0x00000000,0x00000000 | 92 | .long 0x00000000,0x00000000 |
93 | .long 0x00000000,0x00000000 | 93 | .long 0x00000000,0x00000000 |
94 | .long 0x00000000,0x00000000 | 94 | .long 0x00000000,0x00000000 |
95 | |||
96 | |||
97 | |||
diff --git a/arch/s390/kernel/reipl64.S b/arch/s390/kernel/reipl64.S index 95bd1e234f63..de7435054f7c 100644 --- a/arch/s390/kernel/reipl64.S +++ b/arch/s390/kernel/reipl64.S | |||
@@ -4,7 +4,7 @@ | |||
4 | * S390 version | 4 | * S390 version |
5 | * Copyright (C) 2000 IBM Deutschland Entwicklung GmbH, IBM Corporation | 5 | * Copyright (C) 2000 IBM Deutschland Entwicklung GmbH, IBM Corporation |
6 | * Author(s): Holger Smolinski (Holger.Smolinski@de.ibm.com) | 6 | * Author(s): Holger Smolinski (Holger.Smolinski@de.ibm.com) |
7 | Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com) | 7 | Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com) |
8 | */ | 8 | */ |
9 | 9 | ||
10 | #include <asm/lowcore.h> | 10 | #include <asm/lowcore.h> |
@@ -32,46 +32,46 @@ do_reipl_asm: basr %r13,0 | |||
32 | stctg %c0,%c0,.Lregsave-.Lpg0(%r13) | 32 | stctg %c0,%c0,.Lregsave-.Lpg0(%r13) |
33 | ni .Lregsave+4-.Lpg0(%r13),0xef | 33 | ni .Lregsave+4-.Lpg0(%r13),0xef |
34 | lctlg %c0,%c0,.Lregsave-.Lpg0(%r13) | 34 | lctlg %c0,%c0,.Lregsave-.Lpg0(%r13) |
35 | lgr %r1,%r2 | 35 | lgr %r1,%r2 |
36 | mvc __LC_PGM_NEW_PSW(16),.Lpcnew-.Lpg0(%r13) | 36 | mvc __LC_PGM_NEW_PSW(16),.Lpcnew-.Lpg0(%r13) |
37 | stsch .Lschib-.Lpg0(%r13) | 37 | stsch .Lschib-.Lpg0(%r13) |
38 | oi .Lschib+5-.Lpg0(%r13),0x84 | 38 | oi .Lschib+5-.Lpg0(%r13),0x84 |
39 | .Lecs: xi .Lschib+27-.Lpg0(%r13),0x01 | 39 | .Lecs: xi .Lschib+27-.Lpg0(%r13),0x01 |
40 | msch .Lschib-.Lpg0(%r13) | 40 | msch .Lschib-.Lpg0(%r13) |
41 | lghi %r0,5 | 41 | lghi %r0,5 |
42 | .Lssch: ssch .Liplorb-.Lpg0(%r13) | 42 | .Lssch: ssch .Liplorb-.Lpg0(%r13) |
43 | jz .L001 | 43 | jz .L001 |
44 | brct %r0,.Lssch | 44 | brct %r0,.Lssch |
45 | bas %r14,.Ldisab-.Lpg0(%r13) | 45 | bas %r14,.Ldisab-.Lpg0(%r13) |
46 | .L001: mvc __LC_IO_NEW_PSW(16),.Lionew-.Lpg0(%r13) | 46 | .L001: mvc __LC_IO_NEW_PSW(16),.Lionew-.Lpg0(%r13) |
47 | .Ltpi: lpswe .Lwaitpsw-.Lpg0(%r13) | 47 | .Ltpi: lpswe .Lwaitpsw-.Lpg0(%r13) |
48 | .Lcont: c %r1,__LC_SUBCHANNEL_ID | 48 | .Lcont: c %r1,__LC_SUBCHANNEL_ID |
49 | jnz .Ltpi | 49 | jnz .Ltpi |
50 | clc __LC_IO_INT_PARM(4),.Liplorb-.Lpg0(%r13) | 50 | clc __LC_IO_INT_PARM(4),.Liplorb-.Lpg0(%r13) |
51 | jnz .Ltpi | 51 | jnz .Ltpi |
52 | tsch .Liplirb-.Lpg0(%r13) | 52 | tsch .Liplirb-.Lpg0(%r13) |
53 | tm .Liplirb+9-.Lpg0(%r13),0xbf | 53 | tm .Liplirb+9-.Lpg0(%r13),0xbf |
54 | jz .L002 | 54 | jz .L002 |
55 | bas %r14,.Ldisab-.Lpg0(%r13) | 55 | bas %r14,.Ldisab-.Lpg0(%r13) |
56 | .L002: tm .Liplirb+8-.Lpg0(%r13),0xf3 | 56 | .L002: tm .Liplirb+8-.Lpg0(%r13),0xf3 |
57 | jz .L003 | 57 | jz .L003 |
58 | bas %r14,.Ldisab-.Lpg0(%r13) | 58 | bas %r14,.Ldisab-.Lpg0(%r13) |
59 | .L003: spx .Lnull-.Lpg0(%r13) | 59 | .L003: spx .Lnull-.Lpg0(%r13) |
60 | st %r1,__LC_SUBCHANNEL_ID | 60 | st %r1,__LC_SUBCHANNEL_ID |
61 | lhi %r1,0 # mode 0 = esa | 61 | lhi %r1,0 # mode 0 = esa |
62 | slr %r0,%r0 # set cpuid to zero | 62 | slr %r0,%r0 # set cpuid to zero |
63 | sigp %r1,%r0,0x12 # switch to esa mode | 63 | sigp %r1,%r0,0x12 # switch to esa mode |
64 | lpsw 0 | 64 | lpsw 0 |
65 | .Ldisab: sll %r14,1 | 65 | .Ldisab: sll %r14,1 |
66 | srl %r14,1 # need to kill hi bit to avoid specification exceptions. | 66 | srl %r14,1 # need to kill hi bit to avoid specification exceptions. |
67 | st %r14,.Ldispsw+12-.Lpg0(%r13) | 67 | st %r14,.Ldispsw+12-.Lpg0(%r13) |
68 | lpswe .Ldispsw-.Lpg0(%r13) | 68 | lpswe .Ldispsw-.Lpg0(%r13) |
69 | .align 8 | 69 | .align 8 |
70 | .Lclkcmp: .quad 0x0000000000000000 | 70 | .Lclkcmp: .quad 0x0000000000000000 |
71 | .Lall: .quad 0x00000000ff000000 | 71 | .Lall: .quad 0x00000000ff000000 |
72 | .Lregsave: .quad 0x0000000000000000 | 72 | .Lregsave: .quad 0x0000000000000000 |
73 | .Lnull: .long 0x0000000000000000 | 73 | .Lnull: .long 0x0000000000000000 |
74 | .align 16 | 74 | .align 16 |
75 | /* | 75 | /* |
76 | * These addresses have to be 31 bit otherwise | 76 | * These addresses have to be 31 bit otherwise |
77 | * the sigp will throw a specifcation exception | 77 | * the sigp will throw a specifcation exception |
@@ -81,26 +81,26 @@ do_reipl_asm: basr %r13,0 | |||
81 | * 31bit lpswe instruction a fact they appear to have | 81 | * 31bit lpswe instruction a fact they appear to have |
82 | * ommited from the pop. | 82 | * ommited from the pop. |
83 | */ | 83 | */ |
84 | .Lnewpsw: .quad 0x0000000080000000 | 84 | .Lnewpsw: .quad 0x0000000080000000 |
85 | .quad .Lpg1 | 85 | .quad .Lpg1 |
86 | .Lpcnew: .quad 0x0000000080000000 | 86 | .Lpcnew: .quad 0x0000000080000000 |
87 | .quad .Lecs | 87 | .quad .Lecs |
88 | .Lionew: .quad 0x0000000080000000 | 88 | .Lionew: .quad 0x0000000080000000 |
89 | .quad .Lcont | 89 | .quad .Lcont |
90 | .Lwaitpsw: .quad 0x0202000080000000 | 90 | .Lwaitpsw: .quad 0x0202000080000000 |
91 | .quad .Ltpi | 91 | .quad .Ltpi |
92 | .Ldispsw: .quad 0x0002000080000000 | 92 | .Ldispsw: .quad 0x0002000080000000 |
93 | .quad 0x0000000000000000 | 93 | .quad 0x0000000000000000 |
94 | .Liplccws: .long 0x02000000,0x60000018 | 94 | .Liplccws: .long 0x02000000,0x60000018 |
95 | .long 0x08000008,0x20000001 | 95 | .long 0x08000008,0x20000001 |
96 | .Liplorb: .long 0x0049504c,0x0040ff80 | 96 | .Liplorb: .long 0x0049504c,0x0040ff80 |
97 | .long 0x00000000+.Liplccws | 97 | .long 0x00000000+.Liplccws |
98 | .Lschib: .long 0x00000000,0x00000000 | 98 | .Lschib: .long 0x00000000,0x00000000 |
99 | .long 0x00000000,0x00000000 | 99 | .long 0x00000000,0x00000000 |
100 | .long 0x00000000,0x00000000 | 100 | .long 0x00000000,0x00000000 |
101 | .long 0x00000000,0x00000000 | 101 | .long 0x00000000,0x00000000 |
102 | .long 0x00000000,0x00000000 | 102 | .long 0x00000000,0x00000000 |
103 | .long 0x00000000,0x00000000 | 103 | .long 0x00000000,0x00000000 |
104 | .Liplirb: .long 0x00000000,0x00000000 | 104 | .Liplirb: .long 0x00000000,0x00000000 |
105 | .long 0x00000000,0x00000000 | 105 | .long 0x00000000,0x00000000 |
106 | .long 0x00000000,0x00000000 | 106 | .long 0x00000000,0x00000000 |
@@ -109,4 +109,3 @@ do_reipl_asm: basr %r13,0 | |||
109 | .long 0x00000000,0x00000000 | 109 | .long 0x00000000,0x00000000 |
110 | .long 0x00000000,0x00000000 | 110 | .long 0x00000000,0x00000000 |
111 | .long 0x00000000,0x00000000 | 111 | .long 0x00000000,0x00000000 |
112 | |||
diff --git a/arch/s390/kernel/relocate_kernel.S b/arch/s390/kernel/relocate_kernel.S index 2a25ec7147ff..f9899ff2e5b0 100644 --- a/arch/s390/kernel/relocate_kernel.S +++ b/arch/s390/kernel/relocate_kernel.S | |||
@@ -3,7 +3,7 @@ | |||
3 | * | 3 | * |
4 | * (C) Copyright IBM Corp. 2005 | 4 | * (C) Copyright IBM Corp. 2005 |
5 | * | 5 | * |
6 | * Author(s): Rolf Adelsberger <adelsberger@de.ibm.com> | 6 | * Author(s): Rolf Adelsberger, |
7 | * Heiko Carstens <heiko.carstens@de.ibm.com> | 7 | * Heiko Carstens <heiko.carstens@de.ibm.com> |
8 | * | 8 | * |
9 | */ | 9 | */ |
@@ -24,14 +24,14 @@ | |||
24 | .text | 24 | .text |
25 | .globl relocate_kernel | 25 | .globl relocate_kernel |
26 | relocate_kernel: | 26 | relocate_kernel: |
27 | basr %r13,0 #base address | 27 | basr %r13,0 # base address |
28 | .base: | 28 | .base: |
29 | stnsm sys_msk-.base(%r13),0xf8 #disable DAT and IRQ (external) | 29 | stnsm sys_msk-.base(%r13),0xf8 # disable DAT and IRQ (external) |
30 | spx zero64-.base(%r13) #absolute addressing mode | 30 | spx zero64-.base(%r13) # absolute addressing mode |
31 | stctl %c0,%c15,ctlregs-.base(%r13) | 31 | stctl %c0,%c15,ctlregs-.base(%r13) |
32 | stm %r0,%r15,gprregs-.base(%r13) | 32 | stm %r0,%r15,gprregs-.base(%r13) |
33 | la %r1,load_psw-.base(%r13) | 33 | la %r1,load_psw-.base(%r13) |
34 | mvc 0(8,%r0),0(%r1) | 34 | mvc 0(8,%r0),0(%r1) |
35 | la %r0,.back-.base(%r13) | 35 | la %r0,.back-.base(%r13) |
36 | st %r0,4(%r0) | 36 | st %r0,4(%r0) |
37 | oi 4(%r0),0x80 | 37 | oi 4(%r0),0x80 |
@@ -51,50 +51,50 @@ | |||
51 | .back_pgm: | 51 | .back_pgm: |
52 | lm %r0,%r15,gprregs-.base(%r13) | 52 | lm %r0,%r15,gprregs-.base(%r13) |
53 | .start_reloc: | 53 | .start_reloc: |
54 | lhi %r10,-1 #preparing the mask | 54 | lhi %r10,-1 # preparing the mask |
55 | sll %r10,12 #shift it such that it becomes 0xf000 | 55 | sll %r10,12 # shift it such that it becomes 0xf000 |
56 | .top: | 56 | .top: |
57 | lhi %r7,4096 #load PAGE_SIZE in r7 | 57 | lhi %r7,4096 # load PAGE_SIZE in r7 |
58 | lhi %r9,4096 #load PAGE_SIZE in r9 | 58 | lhi %r9,4096 # load PAGE_SIZE in r9 |
59 | l %r5,0(%r2) #read another word for indirection page | 59 | l %r5,0(%r2) # read another word for indirection page |
60 | ahi %r2,4 #increment pointer | 60 | ahi %r2,4 # increment pointer |
61 | tml %r5,0x1 #is it a destination page? | 61 | tml %r5,0x1 # is it a destination page? |
62 | je .indir_check #NO, goto "indir_check" | 62 | je .indir_check # NO, goto "indir_check" |
63 | lr %r6,%r5 #r6 = r5 | 63 | lr %r6,%r5 # r6 = r5 |
64 | nr %r6,%r10 #mask it out and... | 64 | nr %r6,%r10 # mask it out and... |
65 | j .top #...next iteration | 65 | j .top # ...next iteration |
66 | .indir_check: | 66 | .indir_check: |
67 | tml %r5,0x2 #is it a indirection page? | 67 | tml %r5,0x2 # is it a indirection page? |
68 | je .done_test #NO, goto "done_test" | 68 | je .done_test # NO, goto "done_test" |
69 | nr %r5,%r10 #YES, mask out, | 69 | nr %r5,%r10 # YES, mask out, |
70 | lr %r2,%r5 #move it into the right register, | 70 | lr %r2,%r5 # move it into the right register, |
71 | j .top #and read next... | 71 | j .top # and read next... |
72 | .done_test: | 72 | .done_test: |
73 | tml %r5,0x4 #is it the done indicator? | 73 | tml %r5,0x4 # is it the done indicator? |
74 | je .source_test #NO! Well, then it should be the source indicator... | 74 | je .source_test # NO! Well, then it should be the source indicator... |
75 | j .done #ok, lets finish it here... | 75 | j .done # ok, lets finish it here... |
76 | .source_test: | 76 | .source_test: |
77 | tml %r5,0x8 #it should be a source indicator... | 77 | tml %r5,0x8 # it should be a source indicator... |
78 | je .top #NO, ignore it... | 78 | je .top # NO, ignore it... |
79 | lr %r8,%r5 #r8 = r5 | 79 | lr %r8,%r5 # r8 = r5 |
80 | nr %r8,%r10 #masking | 80 | nr %r8,%r10 # masking |
81 | 0: mvcle %r6,%r8,0x0 #copy PAGE_SIZE bytes from r8 to r6 - pad with 0 | 81 | 0: mvcle %r6,%r8,0x0 # copy PAGE_SIZE bytes from r8 to r6 - pad with 0 |
82 | jo 0b | 82 | jo 0b |
83 | j .top | 83 | j .top |
84 | .done: | 84 | .done: |
85 | sr %r0,%r0 #clear register r0 | 85 | sr %r0,%r0 # clear register r0 |
86 | la %r4,load_psw-.base(%r13) #load psw-address into the register | 86 | la %r4,load_psw-.base(%r13) # load psw-address into the register |
87 | o %r3,4(%r4) #or load address into psw | 87 | o %r3,4(%r4) # or load address into psw |
88 | st %r3,4(%r4) | 88 | st %r3,4(%r4) |
89 | mvc 0(8,%r0),0(%r4) #copy psw to absolute address 0 | 89 | mvc 0(8,%r0),0(%r4) # copy psw to absolute address 0 |
90 | tm have_diag308-.base(%r13),0x01 | 90 | tm have_diag308-.base(%r13),0x01 |
91 | jno .no_diag308 | 91 | jno .no_diag308 |
92 | diag %r0,%r0,0x308 | 92 | diag %r0,%r0,0x308 |
93 | .no_diag308: | 93 | .no_diag308: |
94 | sr %r1,%r1 #clear %r1 | 94 | sr %r1,%r1 # clear %r1 |
95 | sr %r2,%r2 #clear %r2 | 95 | sr %r2,%r2 # clear %r2 |
96 | sigp %r1,%r2,0x12 #set cpuid to zero | 96 | sigp %r1,%r2,0x12 # set cpuid to zero |
97 | lpsw 0 #hopefully start new kernel... | 97 | lpsw 0 # hopefully start new kernel... |
98 | 98 | ||
99 | .align 8 | 99 | .align 8 |
100 | zero64: | 100 | zero64: |
diff --git a/arch/s390/kernel/relocate_kernel64.S b/arch/s390/kernel/relocate_kernel64.S index 8cdb86e8911f..4fb443042d9c 100644 --- a/arch/s390/kernel/relocate_kernel64.S +++ b/arch/s390/kernel/relocate_kernel64.S | |||
@@ -3,7 +3,7 @@ | |||
3 | * | 3 | * |
4 | * (C) Copyright IBM Corp. 2005 | 4 | * (C) Copyright IBM Corp. 2005 |
5 | * | 5 | * |
6 | * Author(s): Rolf Adelsberger <adelsberger@de.ibm.com> | 6 | * Author(s): Rolf Adelsberger, |
7 | * Heiko Carstens <heiko.carstens@de.ibm.com> | 7 | * Heiko Carstens <heiko.carstens@de.ibm.com> |
8 | * | 8 | * |
9 | */ | 9 | */ |
@@ -25,10 +25,10 @@ | |||
25 | .text | 25 | .text |
26 | .globl relocate_kernel | 26 | .globl relocate_kernel |
27 | relocate_kernel: | 27 | relocate_kernel: |
28 | basr %r13,0 #base address | 28 | basr %r13,0 # base address |
29 | .base: | 29 | .base: |
30 | stnsm sys_msk-.base(%r13),0xf8 #disable DAT and IRQs | 30 | stnsm sys_msk-.base(%r13),0xf8 # disable DAT and IRQs |
31 | spx zero64-.base(%r13) #absolute addressing mode | 31 | spx zero64-.base(%r13) # absolute addressing mode |
32 | stctg %c0,%c15,ctlregs-.base(%r13) | 32 | stctg %c0,%c15,ctlregs-.base(%r13) |
33 | stmg %r0,%r15,gprregs-.base(%r13) | 33 | stmg %r0,%r15,gprregs-.base(%r13) |
34 | lghi %r0,3 | 34 | lghi %r0,3 |
@@ -37,16 +37,16 @@ | |||
37 | la %r0,.back_pgm-.base(%r13) | 37 | la %r0,.back_pgm-.base(%r13) |
38 | stg %r0,0x1d8(%r0) | 38 | stg %r0,0x1d8(%r0) |
39 | la %r1,load_psw-.base(%r13) | 39 | la %r1,load_psw-.base(%r13) |
40 | mvc 0(8,%r0),0(%r1) | 40 | mvc 0(8,%r0),0(%r1) |
41 | la %r0,.back-.base(%r13) | 41 | la %r0,.back-.base(%r13) |
42 | st %r0,4(%r0) | 42 | st %r0,4(%r0) |
43 | oi 4(%r0),0x80 | 43 | oi 4(%r0),0x80 |
44 | lghi %r0,0 | 44 | lghi %r0,0 |
45 | diag %r0,%r0,0x308 | 45 | diag %r0,%r0,0x308 |
46 | .back: | 46 | .back: |
47 | lhi %r1,1 #mode 1 = esame | 47 | lhi %r1,1 # mode 1 = esame |
48 | sigp %r1,%r0,0x12 #switch to esame mode | 48 | sigp %r1,%r0,0x12 # switch to esame mode |
49 | sam64 #switch to 64 bit addressing mode | 49 | sam64 # switch to 64 bit addressing mode |
50 | basr %r13,0 | 50 | basr %r13,0 |
51 | .back_base: | 51 | .back_base: |
52 | oi have_diag308-.back_base(%r13),0x01 | 52 | oi have_diag308-.back_base(%r13),0x01 |
@@ -56,50 +56,50 @@ | |||
56 | .back_pgm: | 56 | .back_pgm: |
57 | lmg %r0,%r15,gprregs-.base(%r13) | 57 | lmg %r0,%r15,gprregs-.base(%r13) |
58 | .top: | 58 | .top: |
59 | lghi %r7,4096 #load PAGE_SIZE in r7 | 59 | lghi %r7,4096 # load PAGE_SIZE in r7 |
60 | lghi %r9,4096 #load PAGE_SIZE in r9 | 60 | lghi %r9,4096 # load PAGE_SIZE in r9 |
61 | lg %r5,0(%r2) #read another word for indirection page | 61 | lg %r5,0(%r2) # read another word for indirection page |
62 | aghi %r2,8 #increment pointer | 62 | aghi %r2,8 # increment pointer |
63 | tml %r5,0x1 #is it a destination page? | 63 | tml %r5,0x1 # is it a destination page? |
64 | je .indir_check #NO, goto "indir_check" | 64 | je .indir_check # NO, goto "indir_check" |
65 | lgr %r6,%r5 #r6 = r5 | 65 | lgr %r6,%r5 # r6 = r5 |
66 | nill %r6,0xf000 #mask it out and... | 66 | nill %r6,0xf000 # mask it out and... |
67 | j .top #...next iteration | 67 | j .top # ...next iteration |
68 | .indir_check: | 68 | .indir_check: |
69 | tml %r5,0x2 #is it a indirection page? | 69 | tml %r5,0x2 # is it a indirection page? |
70 | je .done_test #NO, goto "done_test" | 70 | je .done_test # NO, goto "done_test" |
71 | nill %r5,0xf000 #YES, mask out, | 71 | nill %r5,0xf000 # YES, mask out, |
72 | lgr %r2,%r5 #move it into the right register, | 72 | lgr %r2,%r5 # move it into the right register, |
73 | j .top #and read next... | 73 | j .top # and read next... |
74 | .done_test: | 74 | .done_test: |
75 | tml %r5,0x4 #is it the done indicator? | 75 | tml %r5,0x4 # is it the done indicator? |
76 | je .source_test #NO! Well, then it should be the source indicator... | 76 | je .source_test # NO! Well, then it should be the source indicator... |
77 | j .done #ok, lets finish it here... | 77 | j .done # ok, lets finish it here... |
78 | .source_test: | 78 | .source_test: |
79 | tml %r5,0x8 #it should be a source indicator... | 79 | tml %r5,0x8 # it should be a source indicator... |
80 | je .top #NO, ignore it... | 80 | je .top # NO, ignore it... |
81 | lgr %r8,%r5 #r8 = r5 | 81 | lgr %r8,%r5 # r8 = r5 |
82 | nill %r8,0xf000 #masking | 82 | nill %r8,0xf000 # masking |
83 | 0: mvcle %r6,%r8,0x0 #copy PAGE_SIZE bytes from r8 to r6 - pad with 0 | 83 | 0: mvcle %r6,%r8,0x0 # copy PAGE_SIZE bytes from r8 to r6 - pad with 0 |
84 | jo 0b | 84 | jo 0b |
85 | j .top | 85 | j .top |
86 | .done: | 86 | .done: |
87 | sgr %r0,%r0 #clear register r0 | 87 | sgr %r0,%r0 # clear register r0 |
88 | la %r4,load_psw-.base(%r13) #load psw-address into the register | 88 | la %r4,load_psw-.base(%r13) # load psw-address into the register |
89 | o %r3,4(%r4) #or load address into psw | 89 | o %r3,4(%r4) # or load address into psw |
90 | st %r3,4(%r4) | 90 | st %r3,4(%r4) |
91 | mvc 0(8,%r0),0(%r4) #copy psw to absolute address 0 | 91 | mvc 0(8,%r0),0(%r4) # copy psw to absolute address 0 |
92 | tm have_diag308-.base(%r13),0x01 | 92 | tm have_diag308-.base(%r13),0x01 |
93 | jno .no_diag308 | 93 | jno .no_diag308 |
94 | diag %r0,%r0,0x308 | 94 | diag %r0,%r0,0x308 |
95 | .no_diag308: | 95 | .no_diag308: |
96 | sam31 #31 bit mode | 96 | sam31 # 31 bit mode |
97 | sr %r1,%r1 #erase register r1 | 97 | sr %r1,%r1 # erase register r1 |
98 | sr %r2,%r2 #erase register r2 | 98 | sr %r2,%r2 # erase register r2 |
99 | sigp %r1,%r2,0x12 #set cpuid to zero | 99 | sigp %r1,%r2,0x12 # set cpuid to zero |
100 | lpsw 0 #hopefully start new kernel... | 100 | lpsw 0 # hopefully start new kernel... |
101 | 101 | ||
102 | .align 8 | 102 | .align 8 |
103 | zero64: | 103 | zero64: |
104 | .quad 0 | 104 | .quad 0 |
105 | load_psw: | 105 | load_psw: |