1 /*- 2 * Copyright (c) 1999 Luoqi Chen <[email protected]> 3 * Copyright (c) Peter Wemm <[email protected]> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * from: src/sys/alpha/include/pcpu.h,v 1.15 2004/11/05 19:16:44 jhb 28 * $FreeBSD$ 29 */ 30 31 #ifndef _MACHINE_PCPU_H_ 32 #define _MACHINE_PCPU_H_ 33 34 #include <machine/cpufunc.h> 35 #include <machine/pte.h> 36 37 #define PCPU_MD_COMMON_FIELDS \ 38 pd_entry_t *pc_segbase; /* curthread segbase */ \ 39 struct pmap *pc_curpmap; /* pmap of curthread */ \ 40 u_int32_t pc_next_asid; /* next ASID to alloc */ \ 41 u_int32_t pc_asid_generation; /* current ASID generation */ \ 42 u_int pc_pending_ipis; /* IPIs pending to this CPU */ 43 44 #ifdef __mips_n64 45 #define PCPU_MD_MIPS64_FIELDS \ 46 PCPU_MD_COMMON_FIELDS \ 47 char __pad[61] 48 #else 49 #define PCPU_MD_MIPS32_FIELDS \ 50 PCPU_MD_COMMON_FIELDS \ 51 char __pad[133] 52 #endif 53 54 #ifdef __mips_n64 55 #define PCPU_MD_FIELDS PCPU_MD_MIPS64_FIELDS 56 #else 57 #define PCPU_MD_FIELDS PCPU_MD_MIPS32_FIELDS 58 #endif 59 60 #ifdef _KERNEL 61 62 extern char pcpu_space[MAXCPU][PAGE_SIZE * 2]; 63 #define PCPU_ADDR(cpu) (struct pcpu *)(pcpu_space[(cpu)]) 64 65 extern struct pcpu *pcpup; 66 #define PCPUP pcpup 67 68 #define PCPU_ADD(member, value) (PCPUP->pc_ ## member += (value)) 69 #define PCPU_GET(member) (PCPUP->pc_ ## member) 70 #define PCPU_INC(member) PCPU_ADD(member, 1) 71 #define PCPU_PTR(member) (&PCPUP->pc_ ## member) 72 #define PCPU_SET(member,value) (PCPUP->pc_ ## member = (value)) 73 #define PCPU_LAZY_INC(member) (++PCPUP->pc_ ## member) 74 75 #ifdef SMP 76 /* 77 * Instantiate the wired TLB entry at PCPU_TLB_ENTRY to map 'pcpu' at 'pcpup'. 78 */ 79 void mips_pcpu_tlb_init(struct pcpu *pcpu); 80 #endif 81 82 #endif /* _KERNEL */ 83 84 #endif /* !_MACHINE_PCPU_H_ */ 85