xref: /titanic_41/usr/src/uts/sun4/cpu/cpu_module.c (revision ba2e4443695ee6a6f420a35cd4fc3d3346d22932)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #pragma ident	"%Z%%M%	%I%	%E% SMI"
27 
28 #include <sys/cpu_module.h>
29 #include <sys/lockstat.h>
30 
31 /*
32  * This is a dummy file that provides the default cpu module
33  * that is linked to unix.
34  */
35 
36 uint_t	root_phys_addr_lo_mask;
37 int64_t timedelta;
38 hrtime_t hres_last_tick;
39 timestruc_t hrestime;
40 int64_t hrestime_adj;
41 int hres_lock;
42 uint_t nsec_scale;
43 uint_t nsec_shift;
44 uint_t adj_shift;
45 hrtime_t hrtime_base;
46 int traptrace_use_stick;
47 uint_t cpu_impl_dual_pgsz;
48 
49 void
50 cpu_setup(void)
51 {}
52 
53 void
54 cpu_init_tick_freq(void)
55 {}
56 
57 /*ARGSUSED*/
58 void
59 vtag_flushpage(caddr_t addr, uint64_t sfmmup)
60 {}
61 
62 void
63 vtag_flushall(void)
64 {}
65 
66 void
67 vtag_flushall_uctxs(void)
68 {}
69 
70 /*ARGSUSED*/
71 void
72 vtag_flushpage_tl1(uint64_t addr, uint64_t sfmmup)
73 {}
74 
75 /*ARGSUSED*/
76 void
77 vtag_flush_pgcnt_tl1(uint64_t addr, uint64_t sfmmup_pgcnt)
78 {}
79 
80 /*ARGSUSED*/
81 void
82 vtag_flushall_tl1(uint64_t dummy1, uint64_t dummy2)
83 {}
84 
85 /*ARGSUSED*/
86 void
87 vac_flushpage(pfn_t pf, int color)
88 {}
89 
90 /*ARGSUSED*/
91 void
92 vac_flushpage_tl1(uint64_t pf, uint64_t color)
93 {}
94 
95 /*ARGSUSED*/
96 void
97 vac_flushcolor(int color, pfn_t pf)
98 {}
99 
100 /*ARGSUSED*/
101 void
102 vac_flushcolor_tl1(uint64_t color, uint64_t dummy)
103 {}
104 
105 /*ARGSUSED*/
106 void
107 init_mondo(xcfunc_t func, uint64_t arg1, uint64_t arg2)
108 {}
109 
110 /*ARGSUSED*/
111 void
112 send_one_mondo(int cpuid)
113 {}
114 
115 /*ARGSUSED*/
116 void
117 send_mondo_set(cpuset_t set)
118 {}
119 
120 /*ARGSUSED*/
121 void
122 flush_instr_mem(caddr_t addr, size_t len)
123 {}
124 
125 void
126 syncfpu(void)
127 {}
128 
129 /*ARGSUSED*/
130 void
131 cpu_change_speed(uint64_t divisor, uint64_t arg2)
132 {}
133 
134 u_longlong_t
135 gettick(void)
136 { return (0); }
137 
138 uint64_t
139 gettick_counter(void)
140 { return (0); }
141 
142 /*ARGSUSED*/
143 void
144 gethrestime(timespec_t *tp)
145 {}
146 
147 time_t
148 gethrestime_sec(void)
149 { return (0); }
150 
151 /*ARGSUSED*/
152 void
153 gethrestime_lasttick(timespec_t *tp)
154 {}
155 
156 hrtime_t
157 gethrtime(void)
158 { return (0); }
159 
160 hrtime_t
161 gethrtime_unscaled(void)
162 { return (0); }
163 
164 hrtime_t
165 gethrtime_waitfree(void)
166 { return (0); }
167 
168 hrtime_t
169 dtrace_gethrtime(void)
170 { return (0); }
171 
172 uint_t
173 get_impl(void)
174 { return (0); }
175 
176 hrtime_t
177 get_hrestime(void)
178 { return (0); }
179 
180 ulong_t
181 get_timestamp(void)
182 { return (0); }
183 
184 ulong_t
185 get_virtime(void)
186 { return (0); }
187 
188 hrtime_t
189 gethrtime_max(void)
190 { return (0); }
191 
192 /*ARGSUSED*/
193 void
194 scalehrtime(hrtime_t *hrt)
195 {}
196 
197 void
198 hres_tick(void)
199 {}
200 
201 /*ARGSUSED*/
202 void
203 tickcmpr_set(uint64_t clock_cycles)
204 {}
205 
206 void
207 tickcmpr_disable(void)
208 {}
209 
210 /*ARGSUSED*/
211 void
212 tick_write_delta(uint64_t delta)
213 {}
214 
215 int
216 tickcmpr_disabled(void)
217 { return (0); }
218 
219 /*ARGSUSED*/
220 void
221 drv_usecwait(clock_t n)
222 {}
223 
224 /*
225  * Processor-optimized memory routines
226  */
227 /*ARGSUSED*/
228 int
229 kcopy(const void *from, void *to, size_t count)
230 { return (0); }
231 
232 /*ARGSUSED*/
233 int
234 kcopy_nta(const void *from, void *to, size_t count, int dummy)
235 { return (0); }
236 
237 /*ARGSUSED*/
238 void
239 bcopy(const void *from, void *to, size_t count)
240 {}
241 
242 /*ARGSUSED*/
243 void
244 ovbcopy(const void *from, void *to, size_t count)
245 {}
246 
247 /*ARGSUSED*/
248 int
249 copyin(const void *uaddr, void *kaddr, size_t count)
250 { return (0); }
251 
252 /*ARGSUSED*/
253 int
254 xcopyin(const void *uaddr, void *kaddr, size_t count)
255 { return (0); }
256 
257 /*ARGSUSED*/
258 int
259 xcopyin_nta(const void *uaddr, void *kaddr, size_t count, int dummy)
260 { return (0); }
261 
262 /*ARGSUSED*/
263 int
264 copyout(const void *kaddr, void *uaddr, size_t count)
265 { return (0); }
266 
267 /*ARGSUSED*/
268 int
269 xcopyout(const void *kaddr, void *uaddr, size_t count)
270 { return (0); }
271 
272 /*ARGSUSED*/
273 int
274 xcopyout_nta(const void *kaddr, void *uaddr, size_t count, int dummy)
275 { return (0); }
276 
277 /*ARGSUSED*/
278 void
279 copyout_noerr(const void *kfrom, void *uto, size_t count)
280 {}
281 
282 /*ARGSUSED*/
283 void
284 copyin_noerr(const void *kfrom, void *uto, size_t count)
285 {}
286 
287 /*ARGSUSED*/
288 int
289 xcopyin_little(const void *uaddr, void *kaddr, size_t count)
290 { return (0); }
291 
292 /*ARGSUSED*/
293 int
294 xcopyout_little(const void *kaddr, void *uaddr, size_t count)
295 { return (0); }
296 
297 /*ARGSUSED*/
298 void
299 hwblkpagecopy(const void *src, void *dst)
300 {}
301 
302 /*ARGSUSED*/
303 void
304 hw_pa_bcopy32(uint64_t src, uint64_t dst)
305 {}
306 
307 /*ARGSUSED*/
308 int
309 hwblkclr(void *addr, size_t len)
310 { return (0); }
311 
312 int use_hw_bzero;
313 int use_hw_bcopy;
314 uint_t hw_copy_limit_1;
315 uint_t hw_copy_limit_2;
316 uint_t hw_copy_limit_4;
317 uint_t hw_copy_limit_8;
318 
319 /*
320  * tick operations
321  */
322 
323 void
324 tick_rtt(void)
325 { }
326 
327 void
328 pil14_interrupt(void)
329 { }
330 
331 /* ARGSUSED */
332 void
333 cpu_init_private(struct cpu *cp)
334 {}
335 
336 /* ARGSUSED */
337 void
338 cpu_uninit_private(struct cpu *cp)
339 {}
340 
341 void
342 sticksync_slave(void)
343 {}
344 
345 void
346 sticksync_master(void)
347 {}
348 
349 /*ARGSUSED*/
350 int
351 dtrace_blksuword32(uintptr_t addr, uint32_t *data, int tryagain)
352 { return (-1); }
353