1 /* $NetBSD: booke_stubs.c,v 1.10 2016/07/11 16:06:52 matt Exp $ */ 2 /*- 3 * Copyright (c) 2010, 2011 The NetBSD Foundation, Inc. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to The NetBSD Foundation 7 * by Raytheon BBN Technologies Corp and Defense Advanced Research Projects 8 * Agency and which was developed by Matt Thomas of 3am Software Foundry. 9 * 10 * This material is based upon work supported by the Defense Advanced Research 11 * Projects Agency and Space and Naval Warfare Systems Center, Pacific, under 12 * Contract No. N66001-09-C-2073. 13 * Approved for Public Release, Distribution Unlimited 14 * 15 * Redistribution and use in source and binary forms, with or without 16 * modification, are permitted provided that the following conditions 17 * are met: 18 * 1. Redistributions of source code must retain the above copyright 19 * notice, this list of conditions and the following disclaimer. 20 * 2. Redistributions in binary form must reproduce the above copyright 21 * notice, this list of conditions and the following disclaimer in the 22 * documentation and/or other materials provided with the distribution. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 25 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 26 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 27 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 28 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 34 * POSSIBILITY OF SUCH DAMAGE. 35 */ 36 37 #include <sys/cdefs.h> 38 39 __KERNEL_RCSID(0, "$NetBSD: booke_stubs.c,v 1.10 2016/07/11 16:06:52 matt Exp $"); 40 41 #include <sys/param.h> 42 #include <sys/cpu.h> 43 44 #include <powerpc/instr.h> 45 #include <powerpc/booke/cpuvar.h> 46 47 #define __stub __section(".stub") __noprofile 48 49 void tlb_set_asid(tlb_asid_t) __stub; 50 51 void 52 tlb_set_asid(tlb_asid_t asid) 53 { 54 (*cpu_md_ops.md_tlb_ops->md_tlb_set_asid)(asid); 55 } 56 57 tlb_asid_t tlb_get_asid(void) __stub; 58 59 tlb_asid_t 60 tlb_get_asid(void) 61 { 62 return (*cpu_md_ops.md_tlb_ops->md_tlb_get_asid)(); 63 } 64 65 void tlb_invalidate_all(void) __stub; 66 67 void 68 tlb_invalidate_all(void) 69 { 70 (*cpu_md_ops.md_tlb_ops->md_tlb_invalidate_all)(); 71 } 72 73 void tlb_invalidate_globals(void) __stub; 74 75 void 76 tlb_invalidate_globals(void) 77 { 78 (*cpu_md_ops.md_tlb_ops->md_tlb_invalidate_globals)(); 79 } 80 81 void tlb_invalidate_asids(tlb_asid_t, tlb_asid_t) __stub; 82 83 void 84 tlb_invalidate_asids(tlb_asid_t asid_lo, tlb_asid_t asid_hi) 85 { 86 (*cpu_md_ops.md_tlb_ops->md_tlb_invalidate_asids)(asid_lo, asid_hi); 87 } 88 89 void tlb_invalidate_addr(vaddr_t, tlb_asid_t) __stub; 90 91 void 92 tlb_invalidate_addr(vaddr_t va, tlb_asid_t asid) 93 { 94 (*cpu_md_ops.md_tlb_ops->md_tlb_invalidate_addr)(va, asid); 95 } 96 97 bool tlb_update_addr(vaddr_t, tlb_asid_t, pt_entry_t, bool) __stub; 98 99 bool 100 tlb_update_addr(vaddr_t va, tlb_asid_t asid, pt_entry_t pte, bool insert_p) 101 { 102 return (*cpu_md_ops.md_tlb_ops->md_tlb_update_addr)(va, asid, pte, insert_p); 103 } 104 105 void tlb_read_entry(size_t, struct tlbmask *) __stub; 106 107 void 108 tlb_read_entry(size_t pos, struct tlbmask *tlb) 109 { 110 (*cpu_md_ops.md_tlb_ops->md_tlb_read_entry)(pos, tlb); 111 } 112 113 void tlb_write_entry(size_t, const struct tlbmask *) __stub; 114 115 void 116 tlb_write_entry(size_t pos, const struct tlbmask *tlb) 117 { 118 (*cpu_md_ops.md_tlb_ops->md_tlb_write_entry)(pos, tlb); 119 } 120 121 u_int tlb_record_asids(u_long *, tlb_asid_t) __stub; 122 123 u_int 124 tlb_record_asids(u_long *bitmap, tlb_asid_t asid_max) 125 { 126 return (*cpu_md_ops.md_tlb_ops->md_tlb_record_asids)(bitmap, asid_max); 127 } 128 129 void tlb_dump(void (*)(const char *, ...)) __stub; 130 131 void 132 tlb_dump(void (*pr)(const char *, ...)) 133 { 134 (*cpu_md_ops.md_tlb_ops->md_tlb_dump)(pr); 135 } 136 137 void tlb_walk(void *, bool (*)(void *, vaddr_t, uint32_t, uint32_t)) 138 __stub; 139 140 void 141 tlb_walk(void *ctx, bool (*func)(void *, vaddr_t, uint32_t, uint32_t)) 142 { 143 (*cpu_md_ops.md_tlb_ops->md_tlb_walk)(ctx, func); 144 } 145 146 void *tlb_mapiodev(paddr_t, psize_t, bool) __stub; 147 148 void * 149 tlb_mapiodev(paddr_t pa, psize_t len, bool prefetchable) 150 { 151 return (*cpu_md_ops.md_tlb_io_ops->md_tlb_mapiodev)(pa, len, prefetchable); 152 } 153 154 void tlb_unmapiodev(vaddr_t, vsize_t) __stub; 155 156 void 157 tlb_unmapiodev(vaddr_t va, vsize_t len) 158 { 159 (*cpu_md_ops.md_tlb_io_ops->md_tlb_unmapiodev)(va, len); 160 } 161 162 int tlb_ioreserve(vaddr_t, vsize_t, uint32_t) __stub; 163 164 int 165 tlb_ioreserve(vaddr_t va, vsize_t len, uint32_t pte) 166 { 167 return (*cpu_md_ops.md_tlb_io_ops->md_tlb_ioreserve)(va, len, pte); 168 } 169 170 int tlb_iorelease(vaddr_t) __stub; 171 172 int 173 tlb_iorelease(vaddr_t va) 174 { 175 return (*cpu_md_ops.md_tlb_io_ops->md_tlb_iorelease)(va); 176 } 177