cpu.h revision 1.101
1 /* $NetBSD: cpu.h,v 1.101 2011/04/14 05:07:30 cliff 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 48 #if defined(_KERNEL_OPT) 49 #include "opt_cputype.h" 50 #include "opt_lockdebug.h" 51 #include "opt_multiprocessor.h" 52 #endif 53 54 #ifndef _LOCORE 55 #include <sys/cpu_data.h> 56 #include <sys/device_if.h> 57 #include <sys/evcnt.h> 58 59 typedef struct cpu_watchpoint { 60 register_t cw_addr; 61 register_t cw_mask; 62 uint32_t cw_asid; 63 uint32_t cw_mode; 64 } cpu_watchpoint_t; 65 /* (abstract) mode bits */ 66 #define CPUWATCH_WRITE __BIT(0) 67 #define CPUWATCH_READ __BIT(1) 68 #define CPUWATCH_EXEC __BIT(2) 69 #define CPUWATCH_MASK __BIT(3) 70 #define CPUWATCH_ASID __BIT(4) 71 #define CPUWATCH_RWX (CPUWATCH_EXEC|CPUWATCH_READ|CPUWATCH_WRITE) 72 73 #define CPUWATCH_MAX 8 /* max possible number of watchpoints */ 74 75 u_int cpuwatch_discover(void); 76 void cpuwatch_free(cpu_watchpoint_t *); 77 cpu_watchpoint_t *cpuwatch_alloc(void); 78 void cpuwatch_set_all(void); 79 void cpuwatch_clr_all(void); 80 void cpuwatch_set(cpu_watchpoint_t *); 81 void cpuwatch_clr(cpu_watchpoint_t *); 82 83 struct cpu_info { 84 struct cpu_data ci_data; /* MI per-cpu data */ 85 struct cpu_info *ci_next; /* Next CPU in list */ 86 struct cpu_softc *ci_softc; /* chip-dependent hook */ 87 device_t ci_dev; /* owning device */ 88 cpuid_t ci_cpuid; /* Machine-level identifier */ 89 u_long ci_cctr_freq; /* cycle counter frequency */ 90 u_long ci_cpu_freq; /* CPU frequency */ 91 u_long ci_cycles_per_hz; /* CPU freq / hz */ 92 u_long ci_divisor_delay; /* for delay/DELAY */ 93 u_long ci_divisor_recip; /* unused, for obsolete microtime(9) */ 94 struct lwp *ci_curlwp; /* currently running lwp */ 95 volatile int ci_want_resched; /* user preemption pending */ 96 int ci_mtx_count; /* negative count of held mutexes */ 97 int ci_mtx_oldspl; /* saved SPL value */ 98 int ci_idepth; /* hardware interrupt depth */ 99 int ci_cpl; /* current [interrupt] priority level */ 100 uint32_t ci_next_cp0_clk_intr; /* for hard clock intr scheduling */ 101 struct evcnt ci_ev_count_compare; /* hard clock intr counter */ 102 struct evcnt ci_ev_count_compare_missed; /* hard clock miss counter */ 103 struct lwp *ci_softlwps[SOFTINT_COUNT]; 104 volatile u_int ci_softints; 105 struct evcnt ci_ev_fpu_loads; /* fpu load counter */ 106 struct evcnt ci_ev_fpu_saves; /* fpu save counter */ 107 struct evcnt ci_ev_tlbmisses; 108 109 /* 110 * Per-cpu pmap information 111 */ 112 int ci_tlb_slot; /* reserved tlb entry for cpu_info */ 113 u_int ci_pmap_asid_cur; /* current ASID */ 114 struct pmap_tlb_info *ci_tlb_info; /* tlb information for this cpu */ 115 union segtab *ci_pmap_seg0tab; 116 #ifdef _LP64 117 union segtab *ci_pmap_segtab; 118 #else 119 vaddr_t ci_pmap_srcbase; /* starting VA of ephemeral src space */ 120 vaddr_t ci_pmap_dstbase; /* starting VA of ephemeral dst space */ 121 #endif 122 123 u_int ci_cpuwatch_count; /* number of watchpoints on this CPU */ 124 cpu_watchpoint_t ci_cpuwatch_tab[CPUWATCH_MAX]; 125 126 #ifdef MULTIPROCESSOR 127 volatile u_long ci_flags; 128 volatile uint64_t ci_request_ipis; 129 /* bitmask of IPIs requested */ 130 /* use on chips where hw cannot pass tag */ 131 uint64_t ci_active_ipis; /* bitmask of IPIs being serviced */ 132 uint32_t ci_ksp_tlb_slot; /* tlb entry for kernel stack */ 133 struct evcnt ci_evcnt_all_ipis; /* aggregated IPI counter */ 134 struct evcnt ci_evcnt_per_ipi[NIPIS]; /* individual IPI counters*/ 135 struct evcnt ci_evcnt_synci_activate_rqst; 136 struct evcnt ci_evcnt_synci_onproc_rqst; 137 struct evcnt ci_evcnt_synci_deferred_rqst; 138 struct evcnt ci_evcnt_synci_ipi_rqst; 139 140 #define CPUF_PRIMARY 0x01 /* CPU is primary CPU */ 141 #define CPUF_PRESENT 0x02 /* CPU is present */ 142 #define CPUF_RUNNING 0x04 /* CPU is running */ 143 #define CPUF_PAUSED 0x08 /* CPU is paused */ 144 #define CPUF_USERPMAP 0x20 /* CPU has a user pmap activated */ 145 #endif 146 147 }; 148 149 #define CPU_INFO_ITERATOR int 150 #define CPU_INFO_FOREACH(cii, ci) \ 151 (void)(cii), ci = &cpu_info_store; ci != NULL; ci = ci->ci_next 152 153 #endif /* !_LOCORE */ 154 #endif /* _KERNEL */ 155 156 /* 157 * CTL_MACHDEP definitions. 158 */ 159 #define CPU_CONSDEV 1 /* dev_t: console terminal device */ 160 #define CPU_BOOTED_KERNEL 2 /* string: booted kernel name */ 161 #define CPU_ROOT_DEVICE 3 /* string: root device name */ 162 #define CPU_LLSC 4 /* OS/CPU supports LL/SC instruction */ 163 164 /* 165 * Platform can override, but note this breaks userland compatibility 166 * with other mips platforms. 167 */ 168 #ifndef CPU_MAXID 169 #define CPU_MAXID 5 /* number of valid machdep ids */ 170 #endif 171 172 #ifdef _KERNEL 173 #if defined(_MODULAR) || defined(_LKM) || defined(_STANDALONE) 174 /* Assume all CPU architectures are valid for LKM's and standlone progs */ 175 #define MIPS1 1 176 #define MIPS3 1 177 #define MIPS4 1 178 #define MIPS32 1 179 #define MIPS32R2 1 180 #define MIPS64 1 181 #define MIPS64R2 1 182 #endif 183 184 #if (MIPS1 + MIPS3 + MIPS4 + MIPS32 + MIPS32R2 + MIPS64 + MIPS64R2) == 0 185 #error at least one of MIPS1, MIPS3, MIPS4, MIPS32, MIPS32R2, MIPS64, or MIPS64RR2 must be specified 186 #endif 187 188 /* Shortcut for MIPS3 or above defined */ 189 #if defined(MIPS3) || defined(MIPS4) \ 190 || defined(MIPS32) || defined(MIPS32R2) \ 191 || defined(MIPS64) || defined(MIPS64R2) 192 193 #define MIPS3_PLUS 1 194 #define __HAVE_CPU_COUNTER 195 #else 196 #undef MIPS3_PLUS 197 #endif 198 199 /* 200 * Macros to find the CPU architecture we're on at run-time, 201 * or if possible, at compile-time. 202 */ 203 204 #define CPU_ARCH_MIPSx 0 /* XXX unknown */ 205 #define CPU_ARCH_MIPS1 (1 << 0) 206 #define CPU_ARCH_MIPS2 (1 << 1) 207 #define CPU_ARCH_MIPS3 (1 << 2) 208 #define CPU_ARCH_MIPS4 (1 << 3) 209 #define CPU_ARCH_MIPS5 (1 << 4) 210 #define CPU_ARCH_MIPS32 (1 << 5) 211 #define CPU_ARCH_MIPS64 (1 << 6) 212 #define CPU_ARCH_MIPS32R2 (1 << 7) 213 #define CPU_ARCH_MIPS64R2 (1 << 8) 214 215 /* Note: must be kept in sync with -ffixed-?? Makefile.mips. */ 216 #define MIPS_CURLWP $24 217 #define MIPS_CURLWP_QUOTED "$24" 218 #define MIPS_CURLWP_LABEL _L_T8 219 #define MIPS_CURLWP_REG _R_T8 220 #define TF_MIPS_CURLWP(x) TF_REG_T8(x) 221 222 #ifndef _LOCORE 223 224 extern struct cpu_info cpu_info_store; 225 register struct lwp *mips_curlwp asm(MIPS_CURLWP_QUOTED); 226 227 #define curlwp mips_curlwp 228 #define curcpu() (curlwp->l_cpu) 229 #define curpcb ((struct pcb *)lwp_getpcb(curlwp)) 230 #ifdef MULTIPROCESSOR 231 #define cpu_number() (curcpu()->ci_index) 232 #define CPU_IS_PRIMARY(ci) ((ci)->ci_flags & CPUF_PRIMARY) 233 #else 234 #define cpu_number() (0) 235 #define CPU_IS_PRIMARY(ci) (true) 236 #endif 237 238 /* XXX simonb 239 * Should the following be in a cpu_info type structure? 240 * And how many of these are per-cpu vs. per-system? (Ie, 241 * we can assume that all cpus have the same mmu-type, but 242 * maybe not that all cpus run at the same clock speed. 243 * Some SGI's apparently support R12k and R14k in the same 244 * box.) 245 */ 246 struct mips_options { 247 const struct pridtab *mips_cpu; 248 249 u_int mips_cpu_arch; 250 u_int mips_cpu_mhz; /* CPU speed in MHz, estimated by mc_cpuspeed(). */ 251 u_int mips_cpu_flags; 252 u_int mips_num_tlb_entries; 253 mips_prid_t mips_cpu_id; 254 mips_prid_t mips_fpu_id; 255 bool mips_has_r4k_mmu; 256 bool mips_has_llsc; 257 u_int mips3_pg_shift; 258 u_int mips3_pg_cached; 259 #ifdef MIPS3_PLUS 260 #ifdef _LP64 261 uint64_t mips3_xkphys_cached; 262 #endif 263 uint64_t mips3_tlb_vpn_mask; 264 uint64_t mips3_tlb_pfn_mask; 265 uint32_t mips3_tlb_pg_mask; 266 #endif 267 }; 268 extern struct mips_options mips_options; 269 270 #define CPU_MIPS_R4K_MMU 0x0001 271 #define CPU_MIPS_NO_LLSC 0x0002 272 #define CPU_MIPS_CAUSE_IV 0x0004 273 #define CPU_MIPS_HAVE_SPECIAL_CCA 0x0008 /* Defaults to '3' if not set. */ 274 #define CPU_MIPS_CACHED_CCA_MASK 0x0070 275 #define CPU_MIPS_CACHED_CCA_SHIFT 4 276 #define CPU_MIPS_DOUBLE_COUNT 0x0080 /* 1 cp0 count == 2 clock cycles */ 277 #define CPU_MIPS_USE_WAIT 0x0100 /* Use "wait"-based cpu_idle() */ 278 #define CPU_MIPS_NO_WAIT 0x0200 /* Inverse of previous, for mips32/64 */ 279 #define CPU_MIPS_D_CACHE_COHERENT 0x0400 /* D-cache is fully coherent */ 280 #define CPU_MIPS_I_D_CACHE_COHERENT 0x0800 /* I-cache funcs don't need to flush the D-cache */ 281 #define CPU_MIPS_NO_LLADDR 0x1000 282 #define CPU_MIPS_HAVE_MxCR 0x2000 /* have mfcr, mtcr insns */ 283 #define MIPS_NOT_SUPP 0x8000 284 285 #endif /* !_LOCORE */ 286 287 #if ((MIPS1 + MIPS3 + MIPS4 + MIPS32 + MIPS32R2 + MIPS64 + MIPS64R2) == 1) || defined(_LOCORE) 288 289 #if defined(MIPS1) 290 291 # define CPUISMIPS3 0 292 # define CPUIS64BITS 0 293 # define CPUISMIPS32 0 294 # define CPUISMIPS32R2 0 295 # define CPUISMIPS64 0 296 # define CPUISMIPS64R2 0 297 # define CPUISMIPSNN 0 298 # define MIPS_HAS_R4K_MMU 0 299 # define MIPS_HAS_CLOCK 0 300 # define MIPS_HAS_LLSC 0 301 # define MIPS_HAS_LLADDR 0 302 303 #elif defined(MIPS3) || defined(MIPS4) 304 305 # define CPUISMIPS3 1 306 # define CPUIS64BITS 1 307 # define CPUISMIPS32 0 308 # define CPUISMIPS32R2 0 309 # define CPUISMIPS64 0 310 # define CPUISMIPS64R2 0 311 # define CPUISMIPSNN 0 312 # define MIPS_HAS_R4K_MMU 1 313 # define MIPS_HAS_CLOCK 1 314 # if defined(_LOCORE) 315 # if !defined(MIPS3_4100) 316 # define MIPS_HAS_LLSC 1 317 # else 318 # define MIPS_HAS_LLSC 0 319 # endif 320 # else /* _LOCORE */ 321 # define MIPS_HAS_LLSC (mips_options.mips_has_llsc) 322 # endif /* _LOCORE */ 323 # define MIPS_HAS_LLADDR ((mips_options.mips_cpu_flags & CPU_MIPS_NO_LLADDR) == 0) 324 325 #elif defined(MIPS32) 326 327 # define CPUISMIPS3 1 328 # define CPUIS64BITS 0 329 # define CPUISMIPS32 1 330 # define CPUISMIPS32R2 0 331 # define CPUISMIPS64 0 332 # define CPUISMIPS64R2 0 333 # define CPUISMIPSNN 1 334 # define MIPS_HAS_R4K_MMU 1 335 # define MIPS_HAS_CLOCK 1 336 # define MIPS_HAS_LLSC 1 337 # define MIPS_HAS_LLADDR ((mips_options.mips_cpu_flags & CPU_MIPS_NO_LLADDR) == 0) 338 339 #elif defined(MIPS32R2) 340 341 # define CPUISMIPS3 1 342 # define CPUIS64BITS 0 343 # define CPUISMIPS32 0 344 # define CPUISMIPS32R2 1 345 # define CPUISMIPS64 0 346 # define CPUISMIPS64R2 0 347 # define CPUISMIPSNN 1 348 # define MIPS_HAS_R4K_MMU 1 349 # define MIPS_HAS_CLOCK 1 350 # define MIPS_HAS_LLSC 1 351 # define MIPS_HAS_LLADDR ((mips_options.mips_cpu_flags & CPU_MIPS_NO_LLADDR) == 0) 352 353 #elif defined(MIPS64) 354 355 # define CPUISMIPS3 1 356 # define CPUIS64BITS 1 357 # define CPUISMIPS32 0 358 # define CPUISMIPS32R2 0 359 # define CPUISMIPS64 1 360 # define CPUISMIPS64R2 0 361 # define CPUISMIPSNN 1 362 # define MIPS_HAS_R4K_MMU 1 363 # define MIPS_HAS_CLOCK 1 364 # define MIPS_HAS_LLSC 1 365 # define MIPS_HAS_LLADDR ((mips_options.mips_cpu_flags & CPU_MIPS_NO_LLADDR) == 0) 366 367 #elif defined(MIPS64R2) 368 369 # define CPUISMIPS3 1 370 # define CPUIS64BITS 1 371 # define CPUISMIPS32 0 372 # define CPUISMIPS32R2 0 373 # define CPUISMIPS64 0 374 # define CPUISMIPS64R2 1 375 # define CPUISMIPSNN 1 376 # define MIPS_HAS_R4K_MMU 1 377 # define MIPS_HAS_CLOCK 1 378 # define MIPS_HAS_LLSC 1 379 # define MIPS_HAS_LLADDR ((mips_options.mips_cpu_flags & CPU_MIPS_NO_LLADDR) == 0) 380 381 #endif 382 383 #else /* run-time test */ 384 385 #ifndef _LOCORE 386 387 #define MIPS_HAS_R4K_MMU (mips_options.mips_has_r4k_mmu) 388 #define MIPS_HAS_LLSC (mips_options.mips_has_llsc) 389 #define MIPS_HAS_LLADDR ((mips_options.mips_cpu_flags & CPU_MIPS_NO_LLADDR) == 0) 390 391 /* This test is ... rather bogus */ 392 #define CPUISMIPS3 ((mips_options.mips_cpu_arch & \ 393 (CPU_ARCH_MIPS3 | CPU_ARCH_MIPS4 | CPU_ARCH_MIPS32 | CPU_ARCH_MIPS64)) != 0) 394 395 /* And these aren't much better while the previous test exists as is... */ 396 #define CPUISMIPS4 ((mips_options.mips_cpu_arch & CPU_ARCH_MIPS4) != 0) 397 #define CPUISMIPS5 ((mips_options.mips_cpu_arch & CPU_ARCH_MIPS5) != 0) 398 #define CPUISMIPS32 ((mips_options.mips_cpu_arch & CPU_ARCH_MIPS32) != 0) 399 #define CPUISMIPS32R2 ((mips_options.mips_cpu_arch & CPU_ARCH_MIPS32R2) != 0) 400 #define CPUISMIPS64 ((mips_options.mips_cpu_arch & CPU_ARCH_MIPS64) != 0) 401 #define CPUISMIPS64R2 ((mips_options.mips_cpu_arch & CPU_ARCH_MIPS64R2) != 0) 402 #define CPUISMIPSNN ((mips_options.mips_cpu_arch & (CPU_ARCH_MIPS32 | CPU_ARCH_MIPS32R2 | CPU_ARCH_MIPS64 | CPU_ARCH_MIPS64R2)) != 0) 403 #define CPUIS64BITS ((mips_options.mips_cpu_arch & \ 404 (CPU_ARCH_MIPS3 | CPU_ARCH_MIPS4 | CPU_ARCH_MIPS64 | CPU_ARCH_MIPS64R2)) != 0) 405 406 #define MIPS_HAS_CLOCK (mips_options.mips_cpu_arch >= CPU_ARCH_MIPS3) 407 408 #else /* !_LOCORE */ 409 410 #define MIPS_HAS_LLSC 0 411 412 #endif /* !_LOCORE */ 413 414 #endif /* run-time test */ 415 416 #ifndef _LOCORE 417 418 /* 419 * definitions of cpu-dependent requirements 420 * referenced in generic code 421 */ 422 423 /* 424 * Send an inter-processor interupt to each other CPU (excludes curcpu()) 425 */ 426 void cpu_broadcast_ipi(int); 427 428 /* 429 * Send an inter-processor interupt to CPUs in cpuset (excludes curcpu()) 430 */ 431 void cpu_multicast_ipi(__cpuset_t, int); 432 433 /* 434 * Send an inter-processor interupt to another CPU. 435 */ 436 int cpu_send_ipi(struct cpu_info *, int); 437 438 /* 439 * cpu_intr(ppl, pc, status); (most state needed by clockframe) 440 */ 441 void cpu_intr(int, vaddr_t, uint32_t); 442 443 /* 444 * Arguments to hardclock and gatherstats encapsulate the previous 445 * machine state in an opaque clockframe. 446 */ 447 struct clockframe { 448 vaddr_t pc; /* program counter at time of interrupt */ 449 uint32_t sr; /* status register at time of interrupt */ 450 bool intr; /* interrupted a interrupt */ 451 }; 452 453 /* 454 * A port must provde CLKF_USERMODE() for use in machine-independent code. 455 * These differ on r4000 and r3000 systems; provide them in the 456 * port-dependent file that includes this one, using the macros below. 457 */ 458 459 /* mips1 versions */ 460 #define MIPS1_CLKF_USERMODE(framep) ((framep)->sr & MIPS_SR_KU_PREV) 461 462 /* mips3 versions */ 463 #define MIPS3_CLKF_USERMODE(framep) ((framep)->sr & MIPS_SR_KSU_USER) 464 465 #define CLKF_PC(framep) ((framep)->pc) 466 #define CLKF_INTR(framep) ((framep)->intr) 467 468 #if defined(MIPS3_PLUS) && !defined(MIPS1) /* XXX bogus! */ 469 #define CLKF_USERMODE(framep) MIPS3_CLKF_USERMODE(framep) 470 #endif 471 472 #if !defined(MIPS3_PLUS) && defined(MIPS1) /* XXX bogus! */ 473 #define CLKF_USERMODE(framep) MIPS1_CLKF_USERMODE(framep) 474 #endif 475 476 #if defined(MIPS3_PLUS) && defined(MIPS1) /* XXX bogus! */ 477 #define CLKF_USERMODE(framep) \ 478 ((CPUISMIPS3) ? MIPS3_CLKF_USERMODE(framep): MIPS1_CLKF_USERMODE(framep)) 479 #endif 480 481 /* 482 * Misc prototypes and variable declarations. 483 */ 484 #define LWP_PC(l) cpu_lwp_pc(l) 485 486 struct proc; 487 struct lwp; 488 struct pcb; 489 struct reg; 490 491 /* 492 * Preempt the current process if in interrupt from user mode, 493 * or after the current trap/syscall if in system mode. 494 */ 495 void cpu_need_resched(struct cpu_info *, int); 496 /* 497 * Notify the current lwp (l) that it has a signal pending, 498 * process as soon as possible. 499 */ 500 void cpu_signotify(struct lwp *); 501 502 /* 503 * Give a profiling tick to the current process when the user profiling 504 * buffer pages are invalid. On the MIPS, request an ast to send us 505 * through trap, marking the proc as needing a profiling tick. 506 */ 507 void cpu_need_proftick(struct lwp *); 508 void cpu_set_curpri(int); 509 510 extern int mips_poolpage_vmfreelist; /* freelist to allocate poolpages */ 511 512 struct cpu_info * 513 cpu_info_alloc(struct pmap_tlb_info *, cpuid_t, cpuid_t, cpuid_t, 514 cpuid_t); 515 void cpu_attach_common(device_t, struct cpu_info *); 516 void cpu_startup_common(void); 517 #ifdef _LP64 518 void cpu_vmspace_exec(struct lwp *, vaddr_t, vaddr_t); 519 #endif 520 521 #ifdef MULTIPROCESSOR 522 void cpu_hatch(struct cpu_info *ci); 523 void cpu_trampoline(void); 524 void cpu_boot_secondary_processors(void); 525 void cpu_halt(void); 526 void cpu_halt_others(void); 527 void cpu_pause(struct reg *); 528 void cpu_pause_others(void); 529 void cpu_resume(int); 530 void cpu_resume_others(void); 531 int cpu_is_paused(int); 532 void cpu_debug_dump(void); 533 534 extern volatile __cpuset_t cpus_running; 535 extern volatile __cpuset_t cpus_hatched; 536 extern volatile __cpuset_t cpus_paused; 537 extern volatile __cpuset_t cpus_resumed; 538 extern volatile __cpuset_t cpus_halted; 539 #endif 540 541 /* copy.S */ 542 int8_t ufetch_int8(void *); 543 int16_t ufetch_int16(void *); 544 int32_t ufetch_int32(void *); 545 uint8_t ufetch_uint8(void *); 546 uint16_t ufetch_uint16(void *); 547 uint32_t ufetch_uint32(void *); 548 int8_t ufetch_int8_intrsafe(void *); 549 int16_t ufetch_int16_intrsafe(void *); 550 int32_t ufetch_int32_intrsafe(void *); 551 uint8_t ufetch_uint8_intrsafe(void *); 552 uint16_t ufetch_uint16_intrsafe(void *); 553 uint32_t ufetch_uint32_intrsafe(void *); 554 #ifdef _LP64 555 int64_t ufetch_int64(void *); 556 uint64_t ufetch_uint64(void *); 557 int64_t ufetch_int64_intrsafe(void *); 558 uint64_t ufetch_uint64_intrsafe(void *); 559 #endif 560 char ufetch_char(void *); 561 short ufetch_short(void *); 562 int ufetch_int(void *); 563 long ufetch_long(void *); 564 char ufetch_char_intrsafe(void *); 565 short ufetch_short_intrsafe(void *); 566 int ufetch_int_intrsafe(void *); 567 long ufetch_long_intrsafe(void *); 568 569 u_char ufetch_uchar(void *); 570 u_short ufetch_ushort(void *); 571 u_int ufetch_uint(void *); 572 u_long ufetch_ulong(void *); 573 u_char ufetch_uchar_intrsafe(void *); 574 u_short ufetch_ushort_intrsafe(void *); 575 u_int ufetch_uint_intrsafe(void *); 576 u_long ufetch_ulong_intrsafe(void *); 577 void *ufetch_ptr(void *); 578 579 int ustore_int8(void *, int8_t); 580 int ustore_int16(void *, int16_t); 581 int ustore_int32(void *, int32_t); 582 int ustore_uint8(void *, uint8_t); 583 int ustore_uint16(void *, uint16_t); 584 int ustore_uint32(void *, uint32_t); 585 int ustore_int8_intrsafe(void *, int8_t); 586 int ustore_int16_intrsafe(void *, int16_t); 587 int ustore_int32_intrsafe(void *, int32_t); 588 int ustore_uint8_intrsafe(void *, uint8_t); 589 int ustore_uint16_intrsafe(void *, uint16_t); 590 int ustore_uint32_intrsafe(void *, uint32_t); 591 #ifdef _LP64 592 int ustore_int64(void *, int64_t); 593 int ustore_uint64(void *, uint64_t); 594 int ustore_int64_intrsafe(void *, int64_t); 595 int ustore_uint64_intrsafe(void *, uint64_t); 596 #endif 597 int ustore_char(void *, char); 598 int ustore_char_intrsafe(void *, char); 599 int ustore_short(void *, short); 600 int ustore_short_intrsafe(void *, short); 601 int ustore_int(void *, int); 602 int ustore_int_intrsafe(void *, int); 603 int ustore_long(void *, long); 604 int ustore_long_intrsafe(void *, long); 605 int ustore_uchar(void *, u_char); 606 int ustore_uchar_intrsafe(void *, u_char); 607 int ustore_ushort(void *, u_short); 608 int ustore_ushort_intrsafe(void *, u_short); 609 int ustore_uint(void *, u_int); 610 int ustore_uint_intrsafe(void *, u_int); 611 int ustore_ulong(void *, u_long); 612 int ustore_ulong_intrsafe(void *, u_long); 613 int ustore_ptr(void *, void *); 614 int ustore_ptr_intrsafe(void *, void *); 615 616 int ustore_uint32_isync(void *, uint32_t); 617 618 /* trap.c */ 619 void netintr(void); 620 int kdbpeek(vaddr_t); 621 622 /* mips_fpu.c */ 623 void fpu_init(void); 624 void fpu_discard(void); 625 void fpu_load(void); 626 void fpu_save(void); 627 void fpu_save_lwp(struct lwp *); 628 bool fpu_used_p(struct lwp *); 629 630 /* mips_machdep.c */ 631 void dumpsys(void); 632 int savectx(struct pcb *); 633 void cpu_identify(device_t); 634 635 /* locore*.S */ 636 int badaddr(void *, size_t); 637 int badaddr64(uint64_t, size_t); 638 639 /* vm_machdep.c */ 640 void * cpu_uarea_alloc(bool); 641 bool cpu_uarea_free(void *); 642 void cpu_proc_fork(struct proc *, struct proc *); 643 vaddr_t cpu_lwp_pc(struct lwp *); 644 int ioaccess(vaddr_t, paddr_t, vsize_t); 645 int iounaccess(vaddr_t, vsize_t); 646 647 #endif /* ! _LOCORE */ 648 #endif /* _KERNEL */ 649 #endif /* _CPU_H_ */ 650
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