1/* $OpenBSD: cpu.h,v 1.12 2018/02/18 14:50:08 visa Exp $ */ 2/*- 3 * Copyright (c) 1992, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * Ralph Campbell and Rick Macklem. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * Copyright (C) 1989 Digital Equipment Corporation. 34 * Permission to use, copy, modify, and distribute this software and 35 * its documentation for any purpose and without fee is hereby granted, 36 * provided that the above copyright notice appears in all copies. 37 * Digital Equipment Corporation makes no representations about the 38 * suitability of this software for any purpose. It is provided "as is" 39 * without express or implied warranty. 40 * 41 * from: @(#)cpu.h 8.4 (Berkeley) 1/4/94 42 */ 43 44#ifndef _MACHINE_CPU_H_ 45#define _MACHINE_CPU_H_ 46 47#ifdef _KERNEL 48 49#define OCTEON_MAXCPUS 16 50 51#if defined(MULTIPROCESSOR) && !defined(_LOCORE) 52#define MAXCPUS OCTEON_MAXCPUS 53struct cpu_info; 54void hw_cpu_boot_secondary(struct cpu_info *); 55void hw_cpu_hatch(struct cpu_info *); 56void hw_cpu_spinup_trampoline(struct cpu_info *); 57int hw_ipi_intr_establish(int (*)(void *), u_long); 58void hw_ipi_intr_set(u_long); 59void hw_ipi_intr_clear(u_long); 60 61/* Keep in sync with HW_GET_CPU_INFO(). */ 62static inline struct cpu_info * 63hw_getcurcpu(void) 64{ 65 struct cpu_info *ci; 66 __asm__ volatile ("dmfc0 %0, $30" /* ErrorEPC */ : "=r" (ci)); 67 return ci; 68} 69 70static inline void 71hw_setcurcpu(struct cpu_info *ci) 72{ 73 __asm__ volatile ("dmtc0 %0, $30" /* ErrorEPC */ : : "r" (ci)); 74} 75#endif /* MULTIPROCESSOR && !_LOCORE */ 76 77#define CACHELINESIZE 128 78 79/* 80 * No need to use the per-cpu_info function pointers, as we only support 81 * one processor type. 82 */ 83#define Mips_SyncCache(ci) \ 84 Octeon_SyncCache((ci)) 85#define Mips_InvalidateICache(ci, va, l) \ 86 Octeon_InvalidateICache((ci), (va), (l)) 87#define Mips_InvalidateICachePage(ci, va) \ 88 Octeon_InvalidateICachePage((ci), (va)) 89#define Mips_SyncICache(ci) \ 90 Octeon_SyncICache((ci)) 91#define Mips_SyncDCachePage(ci, va, pa) \ 92 Octeon_SyncDCachePage((ci), (va), (pa)) 93#define Mips_HitSyncDCachePage(ci, va, pa) \ 94 Octeon_SyncDCachePage((ci), (va), (pa)) 95#define Mips_HitSyncDCache(ci, va, l) \ 96 Octeon_HitSyncDCache((ci), (va), (l)) 97#define Mips_IOSyncDCache(ci, va, l, h) \ 98 Octeon_IOSyncDCache((ci), (va), (l), (h)) 99#define Mips_HitInvalidateDCache(ci, va, l) \ 100 Octeon_HitInvalidateDCache((ci), (va), (l)) 101 102#endif/* _KERNEL */ 103 104#include <mips64/cpu.h> 105 106#endif /* !_MACHINE_CPU_H_ */ 107