cpu.h revision 1.90.16.18 1 /* $NetBSD: cpu.h,v 1.90.16.18 2010/02/05 07:36:51 matt Exp $ */
2
3 /*-
4 * Copyright (c) 1992, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Ralph Campbell and Rick Macklem.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * @(#)cpu.h 8.4 (Berkeley) 1/4/94
35 */
36
37 #ifndef _CPU_H_
38 #define _CPU_H_
39
40 #include <mips/cpuregs.h>
41
42 /*
43 * Exported definitions unique to NetBSD/mips cpu support.
44 */
45
46 #ifdef _KERNEL
47 #ifndef _LOCORE
48 #include <sys/cpu_data.h>
49 #include <sys/device.h>
50
51 #if defined(_KERNEL_OPT)
52 #include "opt_lockdebug.h"
53 #include "opt_multiprocessor.h"
54 #endif
55
56 struct pridtab {
57 int cpu_cid;
58 int cpu_pid;
59 int cpu_rev; /* -1 == wildcard */
60 int cpu_copts; /* -1 == wildcard */
61 int cpu_isa; /* -1 == probed (mips32/mips64) */
62 int cpu_ntlb; /* -1 == unknown, 0 == probed */
63 int cpu_flags;
64 u_int cpu_cp0flags; /* presence of some cp0 regs */
65 u_int cpu_cidflags; /* company-specific flags */
66 const char *cpu_name;
67 };
68
69 /*
70 * bitfield defines for cpu_cp0flags
71 */
72 #define MIPS_CP0FL_USE __BIT(0) /* use these flags */
73 #define MIPS_CP0FL_ECC __BIT(1)
74 #define MIPS_CP0FL_CACHE_ERR __BIT(2)
75 #define MIPS_CP0FL_EIRR __BIT(3)
76 #define MIPS_CP0FL_EIMR __BIT(4)
77 #define MIPS_CP0FL_EBASE __BIT(5)
78 #define MIPS_CP0FL_CONFIG __BIT(6)
79 #define MIPS_CP0FL_CONFIGn(n) (__BIT(7) << ((n) & 7))
80
81 /*
82 * cpu_cidflags defines, by company
83 */
84 /*
85 * RMI company-specific cpu_cidflags
86 */
87 #define MIPS_CIDFL_RMI_TYPE __BITS(2,0)
88 # define CIDFL_RMI_TYPE_XLR 0
89 # define CIDFL_RMI_TYPE_XLS 1
90 # define CIDFL_RMI_TYPE_XLP 2
91 #define MIPS_CIDFL_RMI_THREADS_MASK __BITS(6,3)
92 # define MIPS_CIDFL_RMI_THREADS_SHIFT 3
93 #define MIPS_CIDFL_RMI_CORES_MASK __BITS(10,7)
94 # define MIPS_CIDFL_RMI_CORES_SHIFT 7
95 # define LOG2_1 0
96 # define LOG2_2 1
97 # define LOG2_4 2
98 # define LOG2_8 3
99 # define MIPS_CIDFL_RMI_CPUS(ncores, nthreads) \
100 ((LOG2_ ## ncores << MIPS_CIDFL_RMI_CORES_SHIFT) \
101 |(LOG2_ ## nthreads << MIPS_CIDFL_RMI_THREADS_SHIFT))
102 # define MIPS_CIDFL_RMI_NTHREADS(cidfl) \
103 (1 << (((cidfl) & MIPS_CIDFL_RMI_THREADS_MASK) \
104 >> MIPS_CIDFL_RMI_THREADS_SHIFT))
105 # define MIPS_CIDFL_RMI_NCORES(cidfl) \
106 (1 << (((cidfl) & MIPS_CIDFL_RMI_CORES_MASK) \
107 >> MIPS_CIDFL_RMI_CORES_SHIFT))
108 #define MIPS_CIDFL_RMI_L2SZ_MASK __BITS(14,11)
109 # define MIPS_CIDFL_RMI_L2SZ_SHIFT 11
110 # define RMI_L2SZ_256KB 0
111 # define RMI_L2SZ_512KB 1
112 # define RMI_L2SZ_1MB 2
113 # define RMI_L2SZ_2MB 3
114 # define RMI_L2SZ_4MB 4
115 # define MIPS_CIDFL_RMI_L2(l2sz) \
116 (RMI_L2SZ_ ## l2sz << MIPS_CIDFL_RMI_L2SZ_SHIFT)
117 # define MIPS_CIDFL_RMI_L2SZ(cidfl) \
118 ((256*1024) << (((cidfl) & MIPS_CIDFL_RMI_L2SZ_MASK) \
119 >> MIPS_CIDFL_RMI_L2SZ_SHIFT))
120
121
122
123 struct cpu_info {
124 struct cpu_data ci_data; /* MI per-cpu data */
125 struct cpu_info *ci_next; /* Next CPU in list */
126 cpuid_t ci_cpuid; /* Machine-level identifier */
127 u_long ci_cpu_freq; /* CPU frequency */
128 u_long ci_cycles_per_hz; /* CPU freq / hz */
129 u_long ci_divisor_delay; /* for delay/DELAY */
130 u_long ci_divisor_recip; /* unused, for obsolete microtime(9) */
131 struct lwp *ci_curlwp; /* currently running lwp */
132 struct lwp *ci_fpcurlwp; /* the current FPU owner */
133 int ci_want_resched; /* user preemption pending */
134 int ci_mtx_count; /* negative count of held mutexes */
135 int ci_mtx_oldspl; /* saved SPL value */
136 int ci_idepth; /* hardware interrupt depth */
137 device_t ci_dev; /* owning device */
138 vaddr_t ci_ebase; /* VA of exception base */
139 paddr_t ci_ebase_pa; /* PA of exception base */
140 u_long ci_cctr_freq; /* cycle counter frequency */
141 struct lwp *ci_softlwps[SOFTINT_COUNT];
142 #define ci_softints ci_data.cpu_softints
143 /*
144 * Per-cpu pmap information
145 */
146 struct segtab *ci_pmap_segbase;
147 vaddr_t ci_pmap_srcbase; /* starting VA of ephemeral src space */
148 vaddr_t ci_pmap_dstbase; /* starting VA of ephemeral dst space */
149 uint32_t ci_pmap_asid_next; /* next asid to be assigned */
150 uint32_t ci_pmap_asid_generation; /* current asid generation */
151 uint32_t ci_pmap_asid_reserved; /* base of ASID space */
152 uint32_t ci_pmap_asid_max; /* max (exclusive) assignable asid */
153 };
154
155 #define CPU_INFO_ITERATOR int
156 #define CPU_INFO_FOREACH(cii, ci) \
157 (void)(cii), ci = &cpu_info_store; ci != NULL; ci = ci->ci_next
158
159 #endif /* !_LOCORE */
160 #endif /* _KERNEL */
161
162 /*
163 * CTL_MACHDEP definitions.
164 */
165 #define CPU_CONSDEV 1 /* dev_t: console terminal device */
166 #define CPU_BOOTED_KERNEL 2 /* string: booted kernel name */
167 #define CPU_ROOT_DEVICE 3 /* string: root device name */
168 #define CPU_LLSC 4 /* OS/CPU supports LL/SC instruction */
169
170 /*
171 * Platform can override, but note this breaks userland compatibility
172 * with other mips platforms.
173 */
174 #ifndef CPU_MAXID
175 #define CPU_MAXID 5 /* number of valid machdep ids */
176
177 #endif
178
179 #ifdef _KERNEL
180 #if defined(_LKM) || defined(_STANDALONE)
181 /* Assume all CPU architectures are valid for LKM's and standlone progs */
182 #define MIPS1 1
183 #define MIPS3 1
184 #define MIPS4 1
185 #define MIPS32 1
186 #define MIPS64 1
187 #endif
188
189 #if (MIPS1 + MIPS3 + MIPS4 + MIPS32 + MIPS64) == 0
190 #error at least one of MIPS1, MIPS3, MIPS4, MIPS32 or MIPS64 must be specified
191 #endif
192
193 /* Shortcut for MIPS3 or above defined */
194 #if defined(MIPS3) || defined(MIPS4) || defined(MIPS32) || defined(MIPS64)
195 #define MIPS3_PLUS 1
196 #else
197 #undef MIPS3_PLUS
198 #endif
199
200 /*
201 * Macros to find the CPU architecture we're on at run-time,
202 * or if possible, at compile-time.
203 */
204
205 #define CPU_ARCH_MIPSx 0 /* XXX unknown */
206 #define CPU_ARCH_MIPS1 (1 << 0)
207 #define CPU_ARCH_MIPS2 (1 << 1)
208 #define CPU_ARCH_MIPS3 (1 << 2)
209 #define CPU_ARCH_MIPS4 (1 << 3)
210 #define CPU_ARCH_MIPS5 (1 << 4)
211 #define CPU_ARCH_MIPS32 (1 << 5)
212 #define CPU_ARCH_MIPS64 (1 << 6)
213
214 /* Note: must be kept in sync with -ffixed-?? Makefile.mips. */
215 #define MIPS_CURLWP $24
216 #define MIPS_CURLWP_QUOTED "$24"
217 #define MIPS_CURLWP_LABEL _L_T8
218 #define TF_MIPS_CURLWP(x) TF_REG_T8(x)
219
220 #ifndef _LOCORE
221
222 extern struct cpu_info cpu_info_store;
223 register struct lwp *mips_curlwp asm(MIPS_CURLWP_QUOTED);
224
225 #define curlwp mips_curlwp
226 #define curcpu() (curlwp->l_cpu)
227 #define curpcb ((struct pcb *)curlwp->l_addr)
228 #define fpcurlwp (curcpu()->ci_fpcurlwp)
229 #ifdef MULTIPROCESSOR
230 #define cpu_number() (curcpu()->ci_cpuid)
231 #else
232 #define cpu_number() (0)
233 #endif
234 #define cpu_proc_fork(p1, p2) ((void)((p2)->p_md.md_abi = (p1)->p_md.md_abi))
235
236 /* XXX simonb
237 * Should the following be in a cpu_info type structure?
238 * And how many of these are per-cpu vs. per-system? (Ie,
239 * we can assume that all cpus have the same mmu-type, but
240 * maybe not that all cpus run at the same clock speed.
241 * Some SGI's apparently support R12k and R14k in the same
242 * box.)
243 */
244 struct mips_options {
245 const struct pridtab *mips_cpu;
246
247 u_int mips_cpu_arch;
248 u_int mips_cpu_mhz; /* CPU speed in MHz, estimated by mc_cpuspeed(). */
249 u_int mips_cpu_flags;
250 u_int mips_num_tlb_entries;
251 mips_prid_t mips_cpu_id;
252 mips_prid_t mips_fpu_id;
253 bool mips_has_r4k_mmu;
254 bool mips_has_llsc;
255 u_int mips3_pg_shift;
256 u_int mips3_pg_cached;
257 #ifdef MIPS3_PLUS
258 #ifdef _LP64
259 uint64_t mips3_xkphys_cached;
260 #endif
261 uint64_t mips3_tlb_vpn_mask;
262 uint64_t mips3_tlb_pfn_mask;
263 uint32_t mips3_tlb_pg_mask;
264 #endif
265 };
266 extern struct mips_options mips_options;
267
268 #define CPU_MIPS_R4K_MMU 0x0001
269 #define CPU_MIPS_NO_LLSC 0x0002
270 #define CPU_MIPS_CAUSE_IV 0x0004
271 #define CPU_MIPS_HAVE_SPECIAL_CCA 0x0008 /* Defaults to '3' if not set. */
272 #define CPU_MIPS_CACHED_CCA_MASK 0x0070
273 #define CPU_MIPS_CACHED_CCA_SHIFT 4
274 #define CPU_MIPS_DOUBLE_COUNT 0x0080 /* 1 cp0 count == 2 clock cycles */
275 #define CPU_MIPS_USE_WAIT 0x0100 /* Use "wait"-based cpu_idle() */
276 #define CPU_MIPS_NO_WAIT 0x0200 /* Inverse of previous, for mips32/64 */
277 #define CPU_MIPS_D_CACHE_COHERENT 0x0400 /* D-cache is fully coherent */
278 #define CPU_MIPS_I_D_CACHE_COHERENT 0x0800 /* I-cache funcs don't need to flush the D-cache */
279 #define CPU_MIPS_NO_LLADDR 0x1000
280 #define CPU_MIPS_HAVE_MxCR 0x2000 /* have mfcr, mtcr insns */
281 #define MIPS_NOT_SUPP 0x8000
282
283 #endif /* !_LOCORE */
284
285 #if ((MIPS1 + MIPS3 + MIPS4 + MIPS32 + MIPS64) == 1) || defined(_LOCORE)
286
287 #if defined(MIPS1)
288
289 # define CPUISMIPS3 0
290 # define CPUIS64BITS 0
291 # define CPUISMIPS32 0
292 # define CPUISMIPS64 0
293 # define CPUISMIPSNN 0
294 # define MIPS_HAS_R4K_MMU 0
295 # define MIPS_HAS_CLOCK 0
296 # define MIPS_HAS_LLSC 0
297 # define MIPS_HAS_LLADDR 0
298
299 #elif defined(MIPS3) || defined(MIPS4)
300
301 # define CPUISMIPS3 1
302 # define CPUIS64BITS 1
303 # define CPUISMIPS32 0
304 # define CPUISMIPS64 0
305 # define CPUISMIPSNN 0
306 # define MIPS_HAS_R4K_MMU 1
307 # define MIPS_HAS_CLOCK 1
308 # if defined(_LOCORE)
309 # if !defined(MIPS3_5900) && !defined(MIPS3_4100)
310 # define MIPS_HAS_LLSC 1
311 # else
312 # define MIPS_HAS_LLSC 0
313 # endif
314 # else /* _LOCORE */
315 # define MIPS_HAS_LLSC (mips_options.mips_has_llsc)
316 # endif /* _LOCORE */
317 # define MIPS_HAS_LLADDR ((mips_options.mips_cpu_flags & CPU_MIPS_NO_LLADDR) == 0)
318
319 #elif defined(MIPS32)
320
321 # define CPUISMIPS3 1
322 # define CPUIS64BITS 0
323 # define CPUISMIPS32 1
324 # define CPUISMIPS64 0
325 # define CPUISMIPSNN 1
326 # define MIPS_HAS_R4K_MMU 1
327 # define MIPS_HAS_CLOCK 1
328 # define MIPS_HAS_LLSC 1
329 # define MIPS_HAS_LLADDR ((mips_options.mips_cpu_flags & CPU_MIPS_NO_LLADDR) == 0)
330
331 #elif defined(MIPS64)
332
333 # define CPUISMIPS3 1
334 # define CPUIS64BITS 1
335 # define CPUISMIPS32 0
336 # define CPUISMIPS64 1
337 # define CPUISMIPSNN 1
338 # define MIPS_HAS_R4K_MMU 1
339 # define MIPS_HAS_CLOCK 1
340 # define MIPS_HAS_LLSC 1
341 # define MIPS_HAS_LLADDR ((mips_options.mips_cpu_flags & CPU_MIPS_NO_LLADDR) == 0)
342
343 #endif
344
345 #else /* run-time test */
346
347 #ifndef _LOCORE
348
349 #define MIPS_HAS_R4K_MMU (mips_options.mips_has_r4k_mmu)
350 #define MIPS_HAS_LLSC (mips_options.mips_has_llsc)
351 #define MIPS_HAS_LLADDR ((mips_options.mips_cpu_flags & CPU_MIPS_NO_LLADDR) == 0)
352
353 /* This test is ... rather bogus */
354 #define CPUISMIPS3 ((mips_options.mips_cpu_arch & \
355 (CPU_ARCH_MIPS3 | CPU_ARCH_MIPS4 | CPU_ARCH_MIPS32 | CPU_ARCH_MIPS64)) != 0)
356
357 /* And these aren't much better while the previous test exists as is... */
358 #define CPUISMIPS4 ((mips_options.mips_cpu_arch & CPU_ARCH_MIPS4) != 0)
359 #define CPUISMIPS5 ((mips_options.mips_cpu_arch & CPU_ARCH_MIPS5) != 0)
360 #define CPUISMIPS32 ((mips_options.mips_cpu_arch & CPU_ARCH_MIPS32) != 0)
361 #define CPUISMIPS64 ((mips_options.mips_cpu_arch & CPU_ARCH_MIPS64) != 0)
362 #define CPUISMIPSNN ((mips_options.mips_cpu_arch & (CPU_ARCH_MIPS32 | CPU_ARCH_MIPS64)) != 0)
363 #define CPUIS64BITS ((mips_options.mips_cpu_arch & \
364 (CPU_ARCH_MIPS3 | CPU_ARCH_MIPS4 | CPU_ARCH_MIPS64)) != 0)
365
366 #define MIPS_HAS_CLOCK (mips_options.mips_cpu_arch >= CPU_ARCH_MIPS3)
367
368 #else /* !_LOCORE */
369
370 #define MIPS_HAS_LLSC 0
371
372 #endif /* !_LOCORE */
373
374 #endif /* run-time test */
375
376 #ifndef _LOCORE
377
378 /*
379 * definitions of cpu-dependent requirements
380 * referenced in generic code
381 */
382 #define cpu_swapout(p) panic("cpu_swapout: can't get here");
383
384 void cpu_intr(uint32_t, uint32_t, vaddr_t, uint32_t);
385
386 /*
387 * Arguments to hardclock and gatherstats encapsulate the previous
388 * machine state in an opaque clockframe.
389 */
390 struct clockframe {
391 vaddr_t pc; /* program counter at time of interrupt */
392 uint32_t sr; /* status register at time of interrupt */
393 u_int ppl; /* previous priority level at time of interrupt */
394 };
395
396 /*
397 * A port must provde CLKF_USERMODE() for use in machine-independent code.
398 * These differ on r4000 and r3000 systems; provide them in the
399 * port-dependent file that includes this one, using the macros below.
400 */
401
402 /* mips1 versions */
403 #define MIPS1_CLKF_USERMODE(framep) ((framep)->sr & MIPS_SR_KU_PREV)
404
405 /* mips3 versions */
406 #define MIPS3_CLKF_USERMODE(framep) ((framep)->sr & MIPS_SR_KSU_USER)
407
408 #define CLKF_PC(framep) ((framep)->pc)
409 #define CLKF_INTR(framep) (0)
410
411 #if defined(MIPS3_PLUS) && !defined(MIPS1) /* XXX bogus! */
412 #define CLKF_USERMODE(framep) MIPS3_CLKF_USERMODE(framep)
413 #endif
414
415 #if !defined(MIPS3_PLUS) && defined(MIPS1) /* XXX bogus! */
416 #define CLKF_USERMODE(framep) MIPS1_CLKF_USERMODE(framep)
417 #endif
418
419 #if defined(MIPS3_PLUS) && defined(MIPS1) /* XXX bogus! */
420 #define CLKF_USERMODE(framep) \
421 ((CPUISMIPS3) ? MIPS3_CLKF_USERMODE(framep): MIPS1_CLKF_USERMODE(framep))
422 #endif
423
424 /*
425 * This is used during profiling to integrate system time. It can safely
426 * assume that the process is resident.
427 */
428 #define PROC_PC(p) \
429 (((struct frame *)(p)->p_md.md_regs)->f_regs[37]) /* XXX PC */
430
431 /*
432 * Preempt the current process if in interrupt from user mode,
433 * or after the current trap/syscall if in system mode.
434 */
435 void cpu_need_resched(struct cpu_info *, int);
436
437 /*
438 * Give a profiling tick to the current process when the user profiling
439 * buffer pages are invalid. On the MIPS, request an ast to send us
440 * through trap, marking the proc as needing a profiling tick.
441 */
442 #define cpu_need_proftick(l) \
443 do { \
444 (l)->l_pflag |= LP_OWEUPC; \
445 aston(l); \
446 } while (/*CONSTCOND*/0)
447
448 /*
449 * Notify the current lwp (l) that it has a signal pending,
450 * process as soon as possible.
451 */
452 #define cpu_signotify(l) aston(l)
453
454 #define aston(l) ((l)->l_md.md_astpending = 1)
455
456 /*
457 * Misc prototypes and variable declarations.
458 */
459 struct lwp;
460 struct user;
461
462 extern struct segtab *segbase; /* current segtab base */
463 extern int mips_poolpage_vmfreelist; /* freelist to allocate poolpages */
464
465 /* copy.S */
466 int8_t ufetch_int8(void *);
467 int16_t ufetch_int16(void *);
468 int32_t ufetch_int32(void *);
469 uint8_t ufetch_uint8(void *);
470 uint16_t ufetch_uint16(void *);
471 uint32_t ufetch_uint32(void *);
472 int8_t ufetch_int8_intrsafe(void *);
473 int16_t ufetch_int16_intrsafe(void *);
474 int32_t ufetch_int32_intrsafe(void *);
475 uint8_t ufetch_uint8_intrsafe(void *);
476 uint16_t ufetch_uint16_intrsafe(void *);
477 uint32_t ufetch_uint32_intrsafe(void *);
478 #ifdef _LP64
479 int64_t ufetch_int64(void *);
480 uint64_t ufetch_uint64(void *);
481 int64_t ufetch_int64_intrsafe(void *);
482 uint64_t ufetch_uint64_intrsafe(void *);
483 #endif
484 char ufetch_char(void *);
485 short ufetch_short(void *);
486 int ufetch_int(void *);
487 long ufetch_long(void *);
488 char ufetch_char_intrsafe(void *);
489 short ufetch_short_intrsafe(void *);
490 int ufetch_int_intrsafe(void *);
491 long ufetch_long_intrsafe(void *);
492
493 u_char ufetch_uchar(void *);
494 u_short ufetch_ushort(void *);
495 u_int ufetch_uint(void *);
496 u_long ufetch_ulong(void *);
497 u_char ufetch_uchar_intrsafe(void *);
498 u_short ufetch_ushort_intrsafe(void *);
499 u_int ufetch_uint_intrsafe(void *);
500 u_long ufetch_ulong_intrsafe(void *);
501 void *ufetch_ptr(void *);
502
503 int ustore_int8(void *, int8_t);
504 int ustore_int16(void *, int16_t);
505 int ustore_int32(void *, int32_t);
506 int ustore_uint8(void *, uint8_t);
507 int ustore_uint16(void *, uint16_t);
508 int ustore_uint32(void *, uint32_t);
509 int ustore_int8_intrsafe(void *, int8_t);
510 int ustore_int16_intrsafe(void *, int16_t);
511 int ustore_int32_intrsafe(void *, int32_t);
512 int ustore_uint8_intrsafe(void *, uint8_t);
513 int ustore_uint16_intrsafe(void *, uint16_t);
514 int ustore_uint32_intrsafe(void *, uint32_t);
515 #ifdef _LP64
516 int ustore_int64(void *, int64_t);
517 int ustore_uint64(void *, uint64_t);
518 int ustore_int64_intrsafe(void *, int64_t);
519 int ustore_uint64_intrsafe(void *, uint64_t);
520 #endif
521 int ustore_char(void *, char);
522 int ustore_char_intrsafe(void *, char);
523 int ustore_short(void *, short);
524 int ustore_short_intrsafe(void *, short);
525 int ustore_int(void *, int);
526 int ustore_int_intrsafe(void *, int);
527 int ustore_long(void *, long);
528 int ustore_long_intrsafe(void *, long);
529 int ustore_uchar(void *, u_char);
530 int ustore_uchar_intrsafe(void *, u_char);
531 int ustore_ushort(void *, u_short);
532 int ustore_ushort_intrsafe(void *, u_short);
533 int ustore_uint(void *, u_int);
534 int ustore_uint_intrsafe(void *, u_int);
535 int ustore_ulong(void *, u_long);
536 int ustore_ulong_intrsafe(void *, u_long);
537 int ustore_ptr(void *, void *);
538 int ustore_ptr_intrsafe(void *, void *);
539
540 int ustore_uint32_isync(void *, uint32_t);
541
542 /* trap.c */
543 void netintr(void);
544 int kdbpeek(vaddr_t);
545
546 /* mips_machdep.c */
547 struct mips_vmfreelist;
548 struct phys_ram_seg;
549 void dumpsys(void);
550 int savectx(struct user *);
551 void mips_vector_init(void);
552 void mips_init_msgbuf(void);
553 void mips_init_lwp0_uarea(void);
554 void mips_page_physload(vaddr_t, vaddr_t,
555 const struct phys_ram_seg *, size_t,
556 const struct mips_vmfreelist *, size_t);
557 void savefpregs(struct lwp *);
558 void loadfpregs(struct lwp *);
559 void cpu_identify(device_t);
560 #ifdef MULTIPROCESSOR
561 void cpu_boot_secondary_processors(void);
562 #endif
563
564 /* locore*.S */
565 int badaddr(void *, size_t);
566 int badaddr64(uint64_t, size_t);
567
568 /* vm_machdep.c */
569 void cpu_uarea_remap(struct lwp *);
570
571 #endif /* ! _LOCORE */
572 #endif /* _KERNEL */
573 #endif /* _CPU_H_ */
574