1 /* $NetBSD: booke_stubs.c,v 1.12 2021/10/02 14:28:04 skrll 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 __KERNEL_RCSID(0, "$NetBSD: booke_stubs.c,v 1.12 2021/10/02 14:28:04 skrll Exp $"); 39 40 #include <sys/param.h> 41 #include <sys/cpu.h> 42 43 #include <powerpc/instr.h> 44 #include <powerpc/booke/cpuvar.h> 45 46 #define __stub __section(".stub") __noprofile 47 48 void tlb_set_asid(tlb_asid_t, struct pmap *) __stub; 49 50 void 51 tlb_set_asid(tlb_asid_t asid, struct pmap *pm) 52 { 53 (*cpu_md_ops.md_tlb_ops->md_tlb_set_asid)(asid); 54 } 55 56 tlb_asid_t tlb_get_asid(void) __stub; 57 58 tlb_asid_t 59 tlb_get_asid(void) 60 { 61 return (*cpu_md_ops.md_tlb_ops->md_tlb_get_asid)(); 62 } 63 64 void tlb_invalidate_all(void) __stub; 65 66 void 67 tlb_invalidate_all(void) 68 { 69 (*cpu_md_ops.md_tlb_ops->md_tlb_invalidate_all)(); 70 } 71 72 void tlb_invalidate_globals(void) __stub; 73 74 void 75 tlb_invalidate_globals(void) 76 { 77 (*cpu_md_ops.md_tlb_ops->md_tlb_invalidate_globals)(); 78 } 79 80 void tlb_invalidate_asids(tlb_asid_t, tlb_asid_t) __stub; 81 82 void 83 tlb_invalidate_asids(tlb_asid_t asid_lo, tlb_asid_t asid_hi) 84 { 85 (*cpu_md_ops.md_tlb_ops->md_tlb_invalidate_asids)(asid_lo, asid_hi); 86 } 87 88 void tlb_invalidate_addr(vaddr_t, tlb_asid_t) __stub; 89 90 void 91 tlb_invalidate_addr(vaddr_t va, tlb_asid_t asid) 92 { 93 (*cpu_md_ops.md_tlb_ops->md_tlb_invalidate_addr)(va, asid); 94 } 95 96 bool tlb_update_addr(vaddr_t, tlb_asid_t, pt_entry_t, bool) __stub; 97 98 bool 99 tlb_update_addr(vaddr_t va, tlb_asid_t asid, pt_entry_t pte, bool insert_p) 100 { 101 return (*cpu_md_ops.md_tlb_ops->md_tlb_update_addr)(va, asid, pte, insert_p); 102 } 103 104 void tlb_read_entry(size_t, struct tlbmask *) __stub; 105 106 void 107 tlb_read_entry(size_t pos, struct tlbmask *tlb) 108 { 109 (*cpu_md_ops.md_tlb_ops->md_tlb_read_entry)(pos, tlb); 110 } 111 112 void tlb_write_entry(size_t, const struct tlbmask *) __stub; 113 114 void 115 tlb_write_entry(size_t pos, const struct tlbmask *tlb) 116 { 117 (*cpu_md_ops.md_tlb_ops->md_tlb_write_entry)(pos, tlb); 118 } 119 120 u_int tlb_record_asids(u_long *, tlb_asid_t) __stub; 121 122 u_int 123 tlb_record_asids(u_long *bitmap, tlb_asid_t asid_max) 124 { 125 return (*cpu_md_ops.md_tlb_ops->md_tlb_record_asids)(bitmap, asid_max); 126 } 127 128 void tlb_dump(void (*)(const char *, ...)) __stub; 129 130 void 131 tlb_dump(void (*pr)(const char *, ...)) 132 { 133 (*cpu_md_ops.md_tlb_ops->md_tlb_dump)(pr); 134 } 135 136 void tlb_walk(void *, bool (*)(void *, vaddr_t, uint32_t, uint32_t)) 137 __stub; 138 139 void 140 tlb_walk(void *ctx, bool (*func)(void *, vaddr_t, uint32_t, uint32_t)) 141 { 142 (*cpu_md_ops.md_tlb_ops->md_tlb_walk)(ctx, func); 143 } 144 145 void *tlb_mapiodev(paddr_t, psize_t, bool) __stub; 146 147 void * 148 tlb_mapiodev(paddr_t pa, psize_t len, bool prefetchable) 149 { 150 return (*cpu_md_ops.md_tlb_io_ops->md_tlb_mapiodev)(pa, len, prefetchable); 151 } 152 153 void tlb_unmapiodev(vaddr_t, vsize_t) __stub; 154 155 void 156 tlb_unmapiodev(vaddr_t va, vsize_t len) 157 { 158 (*cpu_md_ops.md_tlb_io_ops->md_tlb_unmapiodev)(va, len); 159 } 160 161 int tlb_ioreserve(vaddr_t, vsize_t, uint32_t) __stub; 162 163 int 164 tlb_ioreserve(vaddr_t va, vsize_t len, uint32_t pte) 165 { 166 return (*cpu_md_ops.md_tlb_io_ops->md_tlb_ioreserve)(va, len, pte); 167 } 168 169 int tlb_iorelease(vaddr_t) __stub; 170 171 int 172 tlb_iorelease(vaddr_t va) 173 { 174 return (*cpu_md_ops.md_tlb_io_ops->md_tlb_iorelease)(va); 175 } 176