1 /* $NetBSD: cpufunc.h,v 1.29 2003/09/06 09:08:35 rearnsha Exp $ */
4 * Copyright (c) 1997 Mark Brinicombe.
5 * Copyright (c) 1997 Causality Limited
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by Causality Limited.
19 * 4. The name of Causality Limited may not be used to endorse or promote
20 * products derived from this software without specific prior written
23 * THIS SOFTWARE IS PROVIDED BY CAUSALITY LIMITED ``AS IS'' AND ANY EXPRESS
24 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
25 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
26 * DISCLAIMED. IN NO EVENT SHALL CAUSALITY LIMITED BE LIABLE FOR ANY DIRECT,
27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * RiscBSD kernel project
39 * Prototypes for cpu, mmu and tlb related functions.
44 #ifndef _MACHINE_CPUFUNC_H_
45 #define _MACHINE_CPUFUNC_H_
49 #include <sys/types.h>
50 #include <machine/cpuconf.h>
51 #include <machine/katelib.h> /* For in[bwl] and out[bwl] */
56 __asm(".word 0xe7ffffff");
59 struct cpu_functions {
63 u_int (*cf_id) (void);
64 void (*cf_cpwait) (void);
68 u_int (*cf_control) (u_int bic, u_int eor);
69 void (*cf_domains) (u_int domains);
70 void (*cf_setttb) (u_int ttb);
71 u_int (*cf_faultstatus) (void);
72 u_int (*cf_faultaddress) (void);
76 void (*cf_tlb_flushID) (void);
77 void (*cf_tlb_flushID_SE) (u_int va);
78 void (*cf_tlb_flushI) (void);
79 void (*cf_tlb_flushI_SE) (u_int va);
80 void (*cf_tlb_flushD) (void);
81 void (*cf_tlb_flushD_SE) (u_int va);
86 * We define the following primitives:
88 * icache_sync_all Synchronize I-cache
89 * icache_sync_range Synchronize I-cache range
91 * dcache_wbinv_all Write-back and Invalidate D-cache
92 * dcache_wbinv_range Write-back and Invalidate D-cache range
93 * dcache_inv_range Invalidate D-cache range
94 * dcache_wb_range Write-back D-cache range
96 * idcache_wbinv_all Write-back and Invalidate D-cache,
98 * idcache_wbinv_range Write-back and Invalidate D-cache,
99 * Invalidate I-cache range
101 * Note that the ARM term for "write-back" is "clean". We use
102 * the term "write-back" since it's a more common way to describe
105 * There are some rules that must be followed:
107 * I-cache Synch (all or range):
108 * The goal is to synchronize the instruction stream,
109 * so you may beed to write-back dirty D-cache blocks
110 * first. If a range is requested, and you can't
111 * synchronize just a range, you have to hit the whole
114 * D-cache Write-Back and Invalidate range:
115 * If you can't WB-Inv a range, you must WB-Inv the
118 * D-cache Invalidate:
119 * If you can't Inv the D-cache, you must Write-Back
120 * and Invalidate. Code that uses this operation
121 * MUST NOT assume that the D-cache will not be written
124 * D-cache Write-Back:
125 * If you can't Write-back without doing an Inv,
126 * that's fine. Then treat this as a WB-Inv.
127 * Skipping the invalidate is merely an optimization.
130 * Valid virtual addresses must be passed to each
133 void (*cf_icache_sync_all) (void);
134 void (*cf_icache_sync_range) (vm_offset_t, vm_size_t);
136 void (*cf_dcache_wbinv_all) (void);
137 void (*cf_dcache_wbinv_range) (vm_offset_t, vm_size_t);
138 void (*cf_dcache_inv_range) (vm_offset_t, vm_size_t);
139 void (*cf_dcache_wb_range) (vm_offset_t, vm_size_t);
141 void (*cf_idcache_wbinv_all) (void);
142 void (*cf_idcache_wbinv_range) (vm_offset_t, vm_size_t);
143 void (*cf_l2cache_wbinv_all) (void);
144 void (*cf_l2cache_wbinv_range) (vm_offset_t, vm_size_t);
145 void (*cf_l2cache_inv_range) (vm_offset_t, vm_size_t);
146 void (*cf_l2cache_wb_range) (vm_offset_t, vm_size_t);
148 /* Other functions */
150 void (*cf_flush_prefetchbuf) (void);
151 void (*cf_drain_writebuf) (void);
152 void (*cf_flush_brnchtgt_C) (void);
153 void (*cf_flush_brnchtgt_E) (u_int va);
155 void (*cf_sleep) (int mode);
159 int (*cf_dataabt_fixup) (void *arg);
160 int (*cf_prefetchabt_fixup) (void *arg);
162 void (*cf_context_switch) (void);
164 void (*cf_setup) (char *string);
167 extern struct cpu_functions cpufuncs;
168 extern u_int cputype;
170 #define cpu_id() cpufuncs.cf_id()
171 #define cpu_cpwait() cpufuncs.cf_cpwait()
173 #define cpu_control(c, e) cpufuncs.cf_control(c, e)
174 #define cpu_domains(d) cpufuncs.cf_domains(d)
175 #define cpu_setttb(t) cpufuncs.cf_setttb(t)
176 #define cpu_faultstatus() cpufuncs.cf_faultstatus()
177 #define cpu_faultaddress() cpufuncs.cf_faultaddress()
181 #define cpu_tlb_flushID() cpufuncs.cf_tlb_flushID()
182 #define cpu_tlb_flushID_SE(e) cpufuncs.cf_tlb_flushID_SE(e)
183 #define cpu_tlb_flushI() cpufuncs.cf_tlb_flushI()
184 #define cpu_tlb_flushI_SE(e) cpufuncs.cf_tlb_flushI_SE(e)
185 #define cpu_tlb_flushD() cpufuncs.cf_tlb_flushD()
186 #define cpu_tlb_flushD_SE(e) cpufuncs.cf_tlb_flushD_SE(e)
189 void tlb_broadcast(int);
191 #if defined(CPU_CORTEXA) || defined(CPU_MV_PJ4B)
192 #define TLB_BROADCAST /* No need to explicitely send an IPI */
194 #define TLB_BROADCAST tlb_broadcast(7)
197 #define cpu_tlb_flushID() do { \
198 cpufuncs.cf_tlb_flushID(); \
202 #define cpu_tlb_flushID_SE(e) do { \
203 cpufuncs.cf_tlb_flushID_SE(e); \
208 #define cpu_tlb_flushI() do { \
209 cpufuncs.cf_tlb_flushI(); \
214 #define cpu_tlb_flushI_SE(e) do { \
215 cpufuncs.cf_tlb_flushI_SE(e); \
220 #define cpu_tlb_flushD() do { \
221 cpufuncs.cf_tlb_flushD(); \
226 #define cpu_tlb_flushD_SE(e) do { \
227 cpufuncs.cf_tlb_flushD_SE(e); \
233 #define cpu_icache_sync_all() cpufuncs.cf_icache_sync_all()
234 #define cpu_icache_sync_range(a, s) cpufuncs.cf_icache_sync_range((a), (s))
236 #define cpu_dcache_wbinv_all() cpufuncs.cf_dcache_wbinv_all()
237 #define cpu_dcache_wbinv_range(a, s) cpufuncs.cf_dcache_wbinv_range((a), (s))
238 #define cpu_dcache_inv_range(a, s) cpufuncs.cf_dcache_inv_range((a), (s))
239 #define cpu_dcache_wb_range(a, s) cpufuncs.cf_dcache_wb_range((a), (s))
241 #define cpu_idcache_wbinv_all() cpufuncs.cf_idcache_wbinv_all()
242 #define cpu_idcache_wbinv_range(a, s) cpufuncs.cf_idcache_wbinv_range((a), (s))
243 #define cpu_l2cache_wbinv_all() cpufuncs.cf_l2cache_wbinv_all()
244 #define cpu_l2cache_wb_range(a, s) cpufuncs.cf_l2cache_wb_range((a), (s))
245 #define cpu_l2cache_inv_range(a, s) cpufuncs.cf_l2cache_inv_range((a), (s))
246 #define cpu_l2cache_wbinv_range(a, s) cpufuncs.cf_l2cache_wbinv_range((a), (s))
248 #define cpu_flush_prefetchbuf() cpufuncs.cf_flush_prefetchbuf()
249 #define cpu_drain_writebuf() cpufuncs.cf_drain_writebuf()
250 #define cpu_flush_brnchtgt_C() cpufuncs.cf_flush_brnchtgt_C()
251 #define cpu_flush_brnchtgt_E(e) cpufuncs.cf_flush_brnchtgt_E(e)
253 #define cpu_sleep(m) cpufuncs.cf_sleep(m)
255 #define cpu_dataabt_fixup(a) cpufuncs.cf_dataabt_fixup(a)
256 #define cpu_prefetchabt_fixup(a) cpufuncs.cf_prefetchabt_fixup(a)
257 #define ABORT_FIXUP_OK 0 /* fixup succeeded */
258 #define ABORT_FIXUP_FAILED 1 /* fixup failed */
259 #define ABORT_FIXUP_RETURN 2 /* abort handler should return */
261 #define cpu_setup(a) cpufuncs.cf_setup(a)
263 int set_cpufuncs (void);
264 #define ARCHITECTURE_NOT_PRESENT 1 /* known but not configured */
265 #define ARCHITECTURE_NOT_SUPPORTED 2 /* not known */
267 void cpufunc_nullop (void);
268 int cpufunc_null_fixup (void *);
269 int early_abort_fixup (void *);
270 int late_abort_fixup (void *);
271 u_int cpufunc_id (void);
272 u_int cpufunc_cpuid (void);
273 u_int cpufunc_control (u_int clear, u_int bic);
274 void cpufunc_domains (u_int domains);
275 u_int cpufunc_faultstatus (void);
276 u_int cpufunc_faultaddress (void);
280 u_int arm3_control (u_int clear, u_int bic);
281 void arm3_cache_flush (void);
282 #endif /* CPU_ARM3 */
284 #if defined(CPU_ARM6) || defined(CPU_ARM7)
285 void arm67_setttb (u_int ttb);
286 void arm67_tlb_flush (void);
287 void arm67_tlb_purge (u_int va);
288 void arm67_cache_flush (void);
289 void arm67_context_switch (void);
290 #endif /* CPU_ARM6 || CPU_ARM7 */
293 void arm6_setup (char *string);
294 #endif /* CPU_ARM6 */
297 void arm7_setup (char *string);
298 #endif /* CPU_ARM7 */
301 int arm7_dataabt_fixup (void *arg);
302 void arm7tdmi_setup (char *string);
303 void arm7tdmi_setttb (u_int ttb);
304 void arm7tdmi_tlb_flushID (void);
305 void arm7tdmi_tlb_flushID_SE (u_int va);
306 void arm7tdmi_cache_flushID (void);
307 void arm7tdmi_context_switch (void);
308 #endif /* CPU_ARM7TDMI */
311 void arm8_setttb (u_int ttb);
312 void arm8_tlb_flushID (void);
313 void arm8_tlb_flushID_SE (u_int va);
314 void arm8_cache_flushID (void);
315 void arm8_cache_flushID_E (u_int entry);
316 void arm8_cache_cleanID (void);
317 void arm8_cache_cleanID_E (u_int entry);
318 void arm8_cache_purgeID (void);
319 void arm8_cache_purgeID_E (u_int entry);
321 void arm8_cache_syncI (void);
322 void arm8_cache_cleanID_rng (vm_offset_t start, vm_size_t end);
323 void arm8_cache_cleanD_rng (vm_offset_t start, vm_size_t end);
324 void arm8_cache_purgeID_rng (vm_offset_t start, vm_size_t end);
325 void arm8_cache_purgeD_rng (vm_offset_t start, vm_size_t end);
326 void arm8_cache_syncI_rng (vm_offset_t start, vm_size_t end);
328 void arm8_context_switch (void);
330 void arm8_setup (char *string);
332 u_int arm8_clock_config (u_int, u_int);
336 #if defined(CPU_FA526) || defined(CPU_FA626TE)
337 void fa526_setup (char *arg);
338 void fa526_setttb (u_int ttb);
339 void fa526_context_switch (void);
340 void fa526_cpu_sleep (int);
341 void fa526_tlb_flushI_SE (u_int);
342 void fa526_tlb_flushID_SE (u_int);
343 void fa526_flush_prefetchbuf (void);
344 void fa526_flush_brnchtgt_E (u_int);
346 void fa526_icache_sync_all (void);
347 void fa526_icache_sync_range(vm_offset_t start, vm_size_t end);
348 void fa526_dcache_wbinv_all (void);
349 void fa526_dcache_wbinv_range(vm_offset_t start, vm_size_t end);
350 void fa526_dcache_inv_range (vm_offset_t start, vm_size_t end);
351 void fa526_dcache_wb_range (vm_offset_t start, vm_size_t end);
352 void fa526_idcache_wbinv_all(void);
353 void fa526_idcache_wbinv_range(vm_offset_t start, vm_size_t end);
358 void sa110_setup (char *string);
359 void sa110_context_switch (void);
360 #endif /* CPU_SA110 */
362 #if defined(CPU_SA1100) || defined(CPU_SA1110)
363 void sa11x0_drain_readbuf (void);
365 void sa11x0_context_switch (void);
366 void sa11x0_cpu_sleep (int mode);
368 void sa11x0_setup (char *string);
371 #if defined(CPU_SA110) || defined(CPU_SA1100) || defined(CPU_SA1110)
372 void sa1_setttb (u_int ttb);
374 void sa1_tlb_flushID_SE (u_int va);
376 void sa1_cache_flushID (void);
377 void sa1_cache_flushI (void);
378 void sa1_cache_flushD (void);
379 void sa1_cache_flushD_SE (u_int entry);
381 void sa1_cache_cleanID (void);
382 void sa1_cache_cleanD (void);
383 void sa1_cache_cleanD_E (u_int entry);
385 void sa1_cache_purgeID (void);
386 void sa1_cache_purgeID_E (u_int entry);
387 void sa1_cache_purgeD (void);
388 void sa1_cache_purgeD_E (u_int entry);
390 void sa1_cache_syncI (void);
391 void sa1_cache_cleanID_rng (vm_offset_t start, vm_size_t end);
392 void sa1_cache_cleanD_rng (vm_offset_t start, vm_size_t end);
393 void sa1_cache_purgeID_rng (vm_offset_t start, vm_size_t end);
394 void sa1_cache_purgeD_rng (vm_offset_t start, vm_size_t end);
395 void sa1_cache_syncI_rng (vm_offset_t start, vm_size_t end);
400 void arm9_setttb (u_int);
402 void arm9_tlb_flushID_SE (u_int va);
404 void arm9_icache_sync_all (void);
405 void arm9_icache_sync_range (vm_offset_t, vm_size_t);
407 void arm9_dcache_wbinv_all (void);
408 void arm9_dcache_wbinv_range (vm_offset_t, vm_size_t);
409 void arm9_dcache_inv_range (vm_offset_t, vm_size_t);
410 void arm9_dcache_wb_range (vm_offset_t, vm_size_t);
412 void arm9_idcache_wbinv_all (void);
413 void arm9_idcache_wbinv_range (vm_offset_t, vm_size_t);
415 void arm9_context_switch (void);
417 void arm9_setup (char *string);
419 extern unsigned arm9_dcache_sets_max;
420 extern unsigned arm9_dcache_sets_inc;
421 extern unsigned arm9_dcache_index_max;
422 extern unsigned arm9_dcache_index_inc;
425 #if defined(CPU_ARM9E) || defined(CPU_ARM10)
426 void arm10_setttb (u_int);
428 void arm10_tlb_flushID_SE (u_int);
429 void arm10_tlb_flushI_SE (u_int);
431 void arm10_icache_sync_all (void);
432 void arm10_icache_sync_range (vm_offset_t, vm_size_t);
434 void arm10_dcache_wbinv_all (void);
435 void arm10_dcache_wbinv_range (vm_offset_t, vm_size_t);
436 void arm10_dcache_inv_range (vm_offset_t, vm_size_t);
437 void arm10_dcache_wb_range (vm_offset_t, vm_size_t);
439 void arm10_idcache_wbinv_all (void);
440 void arm10_idcache_wbinv_range (vm_offset_t, vm_size_t);
442 void arm10_context_switch (void);
444 void arm10_setup (char *string);
446 extern unsigned arm10_dcache_sets_max;
447 extern unsigned arm10_dcache_sets_inc;
448 extern unsigned arm10_dcache_index_max;
449 extern unsigned arm10_dcache_index_inc;
451 u_int sheeva_control_ext (u_int, u_int);
452 void sheeva_cpu_sleep (int);
453 void sheeva_setttb (u_int);
454 void sheeva_dcache_wbinv_range (vm_offset_t, vm_size_t);
455 void sheeva_dcache_inv_range (vm_offset_t, vm_size_t);
456 void sheeva_dcache_wb_range (vm_offset_t, vm_size_t);
457 void sheeva_idcache_wbinv_range (vm_offset_t, vm_size_t);
459 void sheeva_l2cache_wbinv_range (vm_offset_t, vm_size_t);
460 void sheeva_l2cache_inv_range (vm_offset_t, vm_size_t);
461 void sheeva_l2cache_wb_range (vm_offset_t, vm_size_t);
462 void sheeva_l2cache_wbinv_all (void);
465 #if defined(CPU_ARM1136) || defined(CPU_ARM1176) || \
466 defined(CPU_MV_PJ4B) || defined(CPU_CORTEXA)
467 void arm11_setttb (u_int);
468 void arm11_sleep (int);
470 void arm11_tlb_flushID_SE (u_int);
471 void arm11_tlb_flushI_SE (u_int);
473 void arm11_context_switch (void);
475 void arm11_setup (char *string);
476 void arm11_tlb_flushID (void);
477 void arm11_tlb_flushI (void);
478 void arm11_tlb_flushD (void);
479 void arm11_tlb_flushD_SE (u_int va);
481 void arm11_drain_writebuf (void);
483 void pj4b_setttb (u_int);
485 void pj4b_drain_readbuf (void);
486 void pj4b_flush_brnchtgt_all (void);
487 void pj4b_flush_brnchtgt_va (u_int);
488 void pj4b_sleep (int);
490 void armv6_icache_sync_all (void);
491 void armv6_icache_sync_range (vm_offset_t, vm_size_t);
493 void armv6_dcache_wbinv_all (void);
494 void armv6_dcache_wbinv_range (vm_offset_t, vm_size_t);
495 void armv6_dcache_inv_range (vm_offset_t, vm_size_t);
496 void armv6_dcache_wb_range (vm_offset_t, vm_size_t);
498 void armv6_idcache_wbinv_all (void);
499 void armv6_idcache_wbinv_range (vm_offset_t, vm_size_t);
501 void armv7_setttb (u_int);
502 void armv7_tlb_flushID (void);
503 void armv7_tlb_flushID_SE (u_int);
504 void armv7_icache_sync_range (vm_offset_t, vm_size_t);
505 void armv7_idcache_wbinv_range (vm_offset_t, vm_size_t);
506 void armv7_dcache_wbinv_all (void);
507 void armv7_idcache_wbinv_all (void);
508 void armv7_dcache_wbinv_range (vm_offset_t, vm_size_t);
509 void armv7_dcache_inv_range (vm_offset_t, vm_size_t);
510 void armv7_dcache_wb_range (vm_offset_t, vm_size_t);
511 void armv7_cpu_sleep (int);
512 void armv7_setup (char *string);
513 void armv7_context_switch (void);
514 void armv7_drain_writebuf (void);
515 void armv7_sev (void);
516 u_int armv7_auxctrl (u_int, u_int);
517 void pj4bv7_setup (char *string);
518 void pj4b_config (void);
520 int get_core_id (void);
522 void armadaxp_idcache_wbinv_all (void);
524 void cortexa_setup (char *);
527 #if defined(CPU_ARM1136) || defined(CPU_ARM1176)
528 void arm11x6_setttb (u_int);
529 void arm11x6_idcache_wbinv_all (void);
530 void arm11x6_dcache_wbinv_all (void);
531 void arm11x6_icache_sync_all (void);
532 void arm11x6_flush_prefetchbuf (void);
533 void arm11x6_icache_sync_range (vm_offset_t, vm_size_t);
534 void arm11x6_idcache_wbinv_range (vm_offset_t, vm_size_t);
535 void arm11x6_setup (char *string);
536 void arm11x6_sleep (int); /* no ref. for errata */
538 #if defined(CPU_ARM1136)
539 void arm1136_sleep_rev0 (int); /* for errata 336501 */
542 #if defined(CPU_ARM9E) || defined (CPU_ARM10)
543 void armv5_ec_setttb(u_int);
545 void armv5_ec_icache_sync_all(void);
546 void armv5_ec_icache_sync_range(vm_offset_t, vm_size_t);
548 void armv5_ec_dcache_wbinv_all(void);
549 void armv5_ec_dcache_wbinv_range(vm_offset_t, vm_size_t);
550 void armv5_ec_dcache_inv_range(vm_offset_t, vm_size_t);
551 void armv5_ec_dcache_wb_range(vm_offset_t, vm_size_t);
553 void armv5_ec_idcache_wbinv_all(void);
554 void armv5_ec_idcache_wbinv_range(vm_offset_t, vm_size_t);
557 #if defined (CPU_ARM10)
558 void armv5_setttb(u_int);
560 void armv5_icache_sync_all(void);
561 void armv5_icache_sync_range(vm_offset_t, vm_size_t);
563 void armv5_dcache_wbinv_all(void);
564 void armv5_dcache_wbinv_range(vm_offset_t, vm_size_t);
565 void armv5_dcache_inv_range(vm_offset_t, vm_size_t);
566 void armv5_dcache_wb_range(vm_offset_t, vm_size_t);
568 void armv5_idcache_wbinv_all(void);
569 void armv5_idcache_wbinv_range(vm_offset_t, vm_size_t);
571 extern unsigned armv5_dcache_sets_max;
572 extern unsigned armv5_dcache_sets_inc;
573 extern unsigned armv5_dcache_index_max;
574 extern unsigned armv5_dcache_index_inc;
577 #if defined(CPU_ARM9) || defined(CPU_ARM9E) || defined(CPU_ARM10) || \
578 defined(CPU_SA110) || defined(CPU_SA1100) || defined(CPU_SA1110) || \
579 defined(CPU_XSCALE_80200) || defined(CPU_XSCALE_80321) || \
580 defined(CPU_FA526) || defined(CPU_FA626TE) || \
581 defined(CPU_XSCALE_PXA2X0) || defined(CPU_XSCALE_IXP425) || \
582 defined(CPU_XSCALE_80219) || defined(CPU_XSCALE_81342)
584 void armv4_tlb_flushID (void);
585 void armv4_tlb_flushI (void);
586 void armv4_tlb_flushD (void);
587 void armv4_tlb_flushD_SE (u_int va);
589 void armv4_drain_writebuf (void);
592 #if defined(CPU_IXP12X0)
593 void ixp12x0_drain_readbuf (void);
594 void ixp12x0_context_switch (void);
595 void ixp12x0_setup (char *string);
598 #if defined(CPU_XSCALE_80200) || defined(CPU_XSCALE_80321) || \
599 defined(CPU_XSCALE_PXA2X0) || defined(CPU_XSCALE_IXP425) || \
600 defined(CPU_XSCALE_80219) || defined(CPU_XSCALE_81342)
601 void xscale_cpwait (void);
603 void xscale_cpu_sleep (int mode);
605 u_int xscale_control (u_int clear, u_int bic);
607 void xscale_setttb (u_int ttb);
609 void xscale_tlb_flushID_SE (u_int va);
611 void xscale_cache_flushID (void);
612 void xscale_cache_flushI (void);
613 void xscale_cache_flushD (void);
614 void xscale_cache_flushD_SE (u_int entry);
616 void xscale_cache_cleanID (void);
617 void xscale_cache_cleanD (void);
618 void xscale_cache_cleanD_E (u_int entry);
620 void xscale_cache_clean_minidata (void);
622 void xscale_cache_purgeID (void);
623 void xscale_cache_purgeID_E (u_int entry);
624 void xscale_cache_purgeD (void);
625 void xscale_cache_purgeD_E (u_int entry);
627 void xscale_cache_syncI (void);
628 void xscale_cache_cleanID_rng (vm_offset_t start, vm_size_t end);
629 void xscale_cache_cleanD_rng (vm_offset_t start, vm_size_t end);
630 void xscale_cache_purgeID_rng (vm_offset_t start, vm_size_t end);
631 void xscale_cache_purgeD_rng (vm_offset_t start, vm_size_t end);
632 void xscale_cache_syncI_rng (vm_offset_t start, vm_size_t end);
633 void xscale_cache_flushD_rng (vm_offset_t start, vm_size_t end);
635 void xscale_context_switch (void);
637 void xscale_setup (char *string);
638 #endif /* CPU_XSCALE_80200 || CPU_XSCALE_80321 || CPU_XSCALE_PXA2X0 || CPU_XSCALE_IXP425
641 #ifdef CPU_XSCALE_81342
643 void xscalec3_l2cache_purge (void);
644 void xscalec3_cache_purgeID (void);
645 void xscalec3_cache_purgeD (void);
646 void xscalec3_cache_cleanID (void);
647 void xscalec3_cache_cleanD (void);
648 void xscalec3_cache_syncI (void);
650 void xscalec3_cache_purgeID_rng (vm_offset_t start, vm_size_t end);
651 void xscalec3_cache_purgeD_rng (vm_offset_t start, vm_size_t end);
652 void xscalec3_cache_cleanID_rng (vm_offset_t start, vm_size_t end);
653 void xscalec3_cache_cleanD_rng (vm_offset_t start, vm_size_t end);
654 void xscalec3_cache_syncI_rng (vm_offset_t start, vm_size_t end);
656 void xscalec3_l2cache_flush_rng (vm_offset_t, vm_size_t);
657 void xscalec3_l2cache_clean_rng (vm_offset_t start, vm_size_t end);
658 void xscalec3_l2cache_purge_rng (vm_offset_t start, vm_size_t end);
661 void xscalec3_setttb (u_int ttb);
662 void xscalec3_context_switch (void);
664 #endif /* CPU_XSCALE_81342 */
666 #define tlb_flush cpu_tlb_flushID
667 #define setttb cpu_setttb
668 #define drain_writebuf cpu_drain_writebuf
671 * Macros for manipulating CPU interrupts
673 static __inline u_int32_t __set_cpsr_c(u_int bic, u_int eor) __attribute__((__unused__));
675 static __inline u_int32_t
676 __set_cpsr_c(u_int bic, u_int eor)
681 "mrs %0, cpsr\n" /* Get the CPSR */
682 "bic %1, %0, %2\n" /* Clear bits */
683 "eor %1, %1, %3\n" /* XOR bits */
684 "msr cpsr_c, %1\n" /* Set the control field of CPSR */
685 : "=&r" (ret), "=&r" (tmp)
686 : "r" (bic), "r" (eor) : "memory");
691 #define ARM_CPSR_F32 (1 << 6) /* FIQ disable */
692 #define ARM_CPSR_I32 (1 << 7) /* IRQ disable */
694 #define disable_interrupts(mask) \
695 (__set_cpsr_c((mask) & (ARM_CPSR_I32 | ARM_CPSR_F32), \
696 (mask) & (ARM_CPSR_I32 | ARM_CPSR_F32)))
698 #define enable_interrupts(mask) \
699 (__set_cpsr_c((mask) & (ARM_CPSR_I32 | ARM_CPSR_F32), 0))
701 #define restore_interrupts(old_cpsr) \
702 (__set_cpsr_c((ARM_CPSR_I32 | ARM_CPSR_F32), \
703 (old_cpsr) & (ARM_CPSR_I32 | ARM_CPSR_F32)))
705 static __inline register_t
710 s = disable_interrupts(ARM_CPSR_I32 | ARM_CPSR_F32);
715 intr_restore(register_t s)
718 restore_interrupts(s);
721 /* Functions to manipulate the CPSR. */
722 u_int SetCPSR(u_int bic, u_int eor);
726 * Functions to manipulate cpu r13
727 * (in arm/arm32/setstack.S)
730 void set_stackptr (u_int mode, u_int address);
731 u_int get_stackptr (u_int mode);
737 int get_pc_str_offset (void);
740 * CPU functions from locore.S
743 void cpu_reset (void) __attribute__((__noreturn__));
746 * Cache info variables.
749 /* PRIMARY CACHE VARIABLES */
750 extern int arm_picache_size;
751 extern int arm_picache_line_size;
752 extern int arm_picache_ways;
754 extern int arm_pdcache_size; /* and unified */
755 extern int arm_pdcache_line_size;
756 extern int arm_pdcache_ways;
758 extern int arm_pcache_type;
759 extern int arm_pcache_unified;
761 extern int arm_dcache_align;
762 extern int arm_dcache_align_mask;
764 extern u_int arm_cache_level;
765 extern u_int arm_cache_loc;
766 extern u_int arm_cache_type[14];
769 #endif /* _MACHINE_CPUFUNC_H_ */
771 /* End of cpufunc.h */