pmap.h revision 1.4.2.2
1 1.4.2.2 rmind /* $NetBSD: pmap.h,v 1.4.2.2 2011/03/05 20:51:38 rmind Exp $ */ 2 1.4.2.2 rmind /*- 3 1.4.2.2 rmind * Copyright (c) 2010, 2011 The NetBSD Foundation, Inc. 4 1.4.2.2 rmind * All rights reserved. 5 1.4.2.2 rmind * 6 1.4.2.2 rmind * This code is derived from software contributed to The NetBSD Foundation 7 1.4.2.2 rmind * by Raytheon BBN Technologies Corp and Defense Advanced Research Projects 8 1.4.2.2 rmind * Agency and which was developed by Matt Thomas of 3am Software Foundry. 9 1.4.2.2 rmind * 10 1.4.2.2 rmind * This material is based upon work supported by the Defense Advanced Research 11 1.4.2.2 rmind * Projects Agency and Space and Naval Warfare Systems Center, Pacific, under 12 1.4.2.2 rmind * Contract No. N66001-09-C-2073. 13 1.4.2.2 rmind * Approved for Public Release, Distribution Unlimited 14 1.4.2.2 rmind * 15 1.4.2.2 rmind * Redistribution and use in source and binary forms, with or without 16 1.4.2.2 rmind * modification, are permitted provided that the following conditions 17 1.4.2.2 rmind * are met: 18 1.4.2.2 rmind * 1. Redistributions of source code must retain the above copyright 19 1.4.2.2 rmind * notice, this list of conditions and the following disclaimer. 20 1.4.2.2 rmind * 2. Redistributions in binary form must reproduce the above copyright 21 1.4.2.2 rmind * notice, this list of conditions and the following disclaimer in the 22 1.4.2.2 rmind * documentation and/or other materials provided with the distribution. 23 1.4.2.2 rmind * 24 1.4.2.2 rmind * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 25 1.4.2.2 rmind * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 26 1.4.2.2 rmind * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 27 1.4.2.2 rmind * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 28 1.4.2.2 rmind * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 29 1.4.2.2 rmind * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30 1.4.2.2 rmind * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 31 1.4.2.2 rmind * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 32 1.4.2.2 rmind * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 33 1.4.2.2 rmind * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 34 1.4.2.2 rmind * POSSIBILITY OF SUCH DAMAGE. 35 1.4.2.2 rmind */ 36 1.4.2.2 rmind #ifndef _POWERPC_BOOKE_PMAP_H_ 37 1.4.2.2 rmind #define _POWERPC_BOOKE_PMAP_H_ 38 1.4.2.2 rmind 39 1.4.2.2 rmind #ifdef _LOCORE 40 1.4.2.2 rmind #error use assym.h instead 41 1.4.2.2 rmind #endif 42 1.4.2.2 rmind 43 1.4.2.2 rmind #include <sys/cpu.h> 44 1.4.2.2 rmind #include <sys/kcore.h> 45 1.4.2.2 rmind #include <uvm/uvm_page.h> 46 1.4.2.2 rmind #ifdef _PMAP_PRIVATE 47 1.4.2.2 rmind #include <powerpc/booke/cpuvar.h> 48 1.4.2.2 rmind #endif 49 1.4.2.2 rmind 50 1.4.2.2 rmind #define PMAP_MD_NOCACHE 0x01000000 51 1.4.2.2 rmind #define PMAP_NEED_PROCWR 52 1.4.2.2 rmind 53 1.4.2.2 rmind #include <powerpc/booke/pte.h> 54 1.4.2.2 rmind 55 1.4.2.2 rmind #define NBSEG (NBPG*NPTEPG) 56 1.4.2.2 rmind #define SEGSHIFT (PGSHIFT + PGSHIFT - 2) 57 1.4.2.2 rmind #define SEGOFSET ((1 << SEGSHIFT) - 1) 58 1.4.2.2 rmind #define PMAP_SEGTABSIZE (1 << (32 - SEGSHIFT)) 59 1.4.2.2 rmind #define NPTEPG (NBPG >> 2) 60 1.4.2.2 rmind 61 1.4.2.2 rmind #define KERNEL_PID 0 62 1.4.2.2 rmind 63 1.4.2.2 rmind #define PMAP_TLB_NUM_PIDS 256 64 1.4.2.2 rmind #define PMAP_INVALID_SEGTAB_ADDRESS ((struct pmap_segtab *)0xfeeddead) 65 1.4.2.2 rmind 66 1.4.2.2 rmind #ifndef _LOCORE 67 1.4.2.2 rmind #define pmap_phys_address(x) (x) 68 1.4.2.2 rmind 69 1.4.2.2 rmind void pmap_procwr(struct proc *, vaddr_t, size_t); 70 1.4.2.2 rmind #define PMAP_NEED_PROCWR 71 1.4.2.2 rmind 72 1.4.2.2 rmind struct vm_page * 73 1.4.2.2 rmind pmap_md_alloc_poolpage(int flags); 74 1.4.2.2 rmind vaddr_t pmap_md_map_poolpage(paddr_t); 75 1.4.2.2 rmind bool pmap_md_direct_mapped_vaddr_p(vaddr_t); 76 1.4.2.2 rmind bool pmap_md_io_vaddr_p(vaddr_t); 77 1.4.2.2 rmind paddr_t pmap_md_direct_mapped_vaddr_to_paddr(vaddr_t); 78 1.4.2.2 rmind vaddr_t pmap_md_direct_map_paddr(paddr_t); 79 1.4.2.2 rmind void pmap_md_init(void); 80 1.4.2.2 rmind 81 1.4.2.2 rmind void pmap_md_page_syncicache(struct vm_page *); 82 1.4.2.2 rmind void pmap_bootstrap(vaddr_t, vaddr_t, const phys_ram_seg_t *, size_t); 83 1.4.2.2 rmind bool pmap_extract(struct pmap *, vaddr_t, paddr_t *); 84 1.4.2.2 rmind 85 1.4.2.2 rmind static inline paddr_t vtophys(vaddr_t); 86 1.4.2.2 rmind 87 1.4.2.2 rmind static inline paddr_t 88 1.4.2.2 rmind vtophys(vaddr_t va) 89 1.4.2.2 rmind { 90 1.4.2.2 rmind paddr_t pa; 91 1.4.2.2 rmind 92 1.4.2.2 rmind if (pmap_extract(pmap_kernel(), va, &pa)) 93 1.4.2.2 rmind return pa; 94 1.4.2.2 rmind KASSERT(0); 95 1.4.2.2 rmind return (paddr_t) -1; 96 1.4.2.2 rmind } 97 1.4.2.2 rmind 98 1.4.2.2 rmind /* 99 1.4.2.2 rmind * Virtual Cache Alias helper routines. Not a problem for Booke CPUs. 100 1.4.2.2 rmind */ 101 1.4.2.2 rmind static inline bool 102 1.4.2.2 rmind pmap_md_vca_add(struct vm_page *pg, vaddr_t va, pt_entry_t *nptep) 103 1.4.2.2 rmind { 104 1.4.2.2 rmind return false; 105 1.4.2.2 rmind } 106 1.4.2.2 rmind 107 1.4.2.2 rmind static inline void 108 1.4.2.2 rmind pmap_md_vca_remove(struct vm_page *pg, vaddr_t va) 109 1.4.2.2 rmind { 110 1.4.2.2 rmind 111 1.4.2.2 rmind } 112 1.4.2.2 rmind 113 1.4.2.2 rmind static inline void 114 1.4.2.2 rmind pmap_md_vca_clean(struct vm_page *pg, vaddr_t va, int op) 115 1.4.2.2 rmind { 116 1.4.2.2 rmind } 117 1.4.2.2 rmind 118 1.4.2.2 rmind #define POOL_VTOPHYS(va) ((paddr_t)(vaddr_t)(va)) 119 1.4.2.2 rmind #define POOL_PHYSTOV(pa) ((vaddr_t)(paddr_t)(pa)) 120 1.4.2.2 rmind 121 1.4.2.2 rmind #include <common/pmap/tlb/pmap.h> 122 1.4.2.2 rmind #endif /* _LOCORE */ 123 1.4.2.2 rmind 124 1.4.2.2 rmind #endif /* !_POWERPC_BOOKE_PMAP_H_ */ 125
Indexes created Sat Oct 25 16:10:12 GMT 2025