1 /*- 2 * Copyright (c) 2010, 2011 The NetBSD Foundation, Inc. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The NetBSD Foundation 6 * by Raytheon BBN Technologies Corp and Defense Advanced Research Projects 7 * Agency and which was developed by Matt Thomas of 3am Software Foundry. 8 * 9 * This material is based upon work supported by the Defense Advanced Research 10 * Projects Agency and Space and Naval Warfare Systems Center, Pacific, under 11 * Contract No. N66001-09-C-2073. 12 * Approved for Public Release, Distribution Unlimited 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions 16 * are met: 17 * 1. Redistributions of source code must retain the above copyright 18 * notice, this list of conditions and the following disclaimer. 19 * 2. Redistributions in binary form must reproduce the above copyright 20 * notice, this list of conditions and the following disclaimer in the 21 * documentation and/or other materials provided with the distribution. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 #define __INTR_PRIVATE 37 #define __INTR_NOINLINE 38 39 #include <sys/cdefs.h> 40 41 __KERNEL_RCSID(0, "$NetBSD: booke_stubs.c,v 1.2 2011/01/18 01:02:52 matt Exp $"); 42 43 #include <sys/param.h> 44 #include <sys/cpu.h> 45 #include <sys/intr.h> 46 47 #include <powerpc/instr.h> 48 #include <powerpc/booke/cpuvar.h> 49 50 #define __stub __section(".stub") 51 52 void tlb_set_asid(uint32_t) __stub; 53 54 void 55 tlb_set_asid(uint32_t asid) 56 { 57 (*cpu_md_ops.md_tlb_ops->md_tlb_set_asid)(asid); 58 } 59 60 uint32_t tlb_get_asid(void) __stub; 61 62 uint32_t 63 tlb_get_asid(void) 64 { 65 return (*cpu_md_ops.md_tlb_ops->md_tlb_get_asid)(); 66 } 67 68 void tlb_invalidate_all(void) __stub; 69 70 void 71 tlb_invalidate_all(void) 72 { 73 (*cpu_md_ops.md_tlb_ops->md_tlb_invalidate_all)(); 74 } 75 76 void tlb_invalidate_globals(void) __stub; 77 78 void 79 tlb_invalidate_globals(void) 80 { 81 (*cpu_md_ops.md_tlb_ops->md_tlb_invalidate_globals)(); 82 } 83 84 void tlb_invalidate_asids(uint32_t, uint32_t) __stub; 85 86 void 87 tlb_invalidate_asids(uint32_t asid_lo, uint32_t asid_hi) 88 { 89 (*cpu_md_ops.md_tlb_ops->md_tlb_invalidate_asids)(asid_lo, asid_hi); 90 } 91 92 void tlb_invalidate_addr(vaddr_t, uint32_t) __stub; 93 94 void 95 tlb_invalidate_addr(vaddr_t va, uint32_t asid) 96 { 97 (*cpu_md_ops.md_tlb_ops->md_tlb_invalidate_addr)(va, asid); 98 } 99 100 bool tlb_update_addr(vaddr_t, uint32_t, uint32_t, bool) __stub; 101 102 bool 103 tlb_update_addr(vaddr_t va, uint32_t asid, uint32_t pte, bool insert_p) 104 { 105 return (*cpu_md_ops.md_tlb_ops->md_tlb_update_addr)(va, asid, pte, insert_p); 106 } 107 108 void tlb_read_entry(size_t, struct tlbmask *) __stub; 109 110 void 111 tlb_read_entry(size_t pos, struct tlbmask *tlb) 112 { 113 (*cpu_md_ops.md_tlb_ops->md_tlb_read_entry)(pos, tlb); 114 } 115 116 u_int tlb_record_asids(u_long *, uint32_t) __stub; 117 118 u_int 119 tlb_record_asids(u_long *bitmap, uint32_t start) 120 { 121 return (*cpu_md_ops.md_tlb_ops->md_tlb_record_asids)(bitmap, start); 122 } 123 124 void *tlb_mapiodev(paddr_t, psize_t) __stub; 125 126 void * 127 tlb_mapiodev(paddr_t pa, psize_t len) 128 { 129 return (*cpu_md_ops.md_tlb_ops->md_tlb_mapiodev)(pa, len); 130 } 131 132 void tlb_unmapiodev(vaddr_t, vsize_t) __stub; 133 134 void 135 tlb_unmapiodev(vaddr_t va, vsize_t len) 136 { 137 (*cpu_md_ops.md_tlb_ops->md_tlb_unmapiodev)(va, len); 138 } 139 140 int tlb_ioreserve(vaddr_t, vsize_t, uint32_t) __stub; 141 142 int 143 tlb_ioreserve(vaddr_t va, vsize_t len, uint32_t pte) 144 { 145 return (*cpu_md_ops.md_tlb_ops->md_tlb_ioreserve)(va, len, pte); 146 } 147 148 int tlb_iorelease(vaddr_t) __stub; 149 150 int 151 tlb_iorelease(vaddr_t va) 152 { 153 return (*cpu_md_ops.md_tlb_ops->md_tlb_iorelease)(va); 154 } 155 156 void tlb_dump(void (*)(const char *, ...)) __stub; 157 158 void 159 tlb_dump(void (*pr)(const char *, ...)) 160 { 161 (*cpu_md_ops.md_tlb_ops->md_tlb_dump)(pr); 162 } 163 164 void tlb_walk(void *, bool (*)(void *, vaddr_t, uint32_t, uint32_t)) 165 __stub; 166 167 void 168 tlb_walk(void *ctx, bool (*func)(void *, vaddr_t, uint32_t, uint32_t)) 169 { 170 (*cpu_md_ops.md_tlb_ops->md_tlb_walk)(ctx, func); 171 } 172 173 void *intr_establish(int, int, int, int (*)(void *), void *) __stub; 174 175 void * 176 intr_establish(int irq, int ipl, int ist, int (*func)(void *), void *arg) 177 { 178 return (*powerpc_intrsw->intrsw_establish)(irq, ipl, ist, func, arg); 179 } 180 181 void intr_disestablish(void *) __stub; 182 183 void 184 intr_disestablish(void *ih) 185 { 186 (*powerpc_intrsw->intrsw_disestablish)(ih); 187 } 188 189 const char *intr_string(int, int) __stub; 190 191 const char * 192 intr_string(int irq, int ist) 193 { 194 return (*powerpc_intrsw->intrsw_string)(irq, ist); 195 } 196 197 void spl0(void) __stub; 198 199 void 200 spl0(void) 201 { 202 (*powerpc_intrsw->intrsw_spl0)(); 203 } 204 205 int splraise(int) __stub; 206 207 int 208 splraise(int ipl) 209 { 210 return (*powerpc_intrsw->intrsw_splraise)(ipl); 211 } 212 213 #if 0 214 int splhigh(void) __stub; 215 #endif 216 217 /* 218 * This is called by softint_cleanup and can't be a stub but it can call 219 * a stub. 220 */ 221 int 222 splhigh(void) 223 { 224 return splraise(IPL_HIGH); 225 } 226 227 void splx(int) __stub; 228 229 void 230 splx(int ipl) 231 { 232 return (*powerpc_intrsw->intrsw_splx)(ipl); 233 } 234 235 void softint_init_md(struct lwp *, u_int, uintptr_t *) __stub; 236 237 void 238 softint_init_md(struct lwp *l, u_int level, uintptr_t *machdep_p) 239 { 240 (*powerpc_intrsw->intrsw_softint_init_md)(l, level, machdep_p); 241 } 242 243 void softint_trigger(uintptr_t) __stub; 244 245 void 246 softint_trigger(uintptr_t machdep) 247 { 248 (*powerpc_intrsw->intrsw_softint_trigger)(machdep); 249 } 250 251 void intr_cpu_init(struct cpu_info *) __stub; 252 253 void 254 intr_cpu_init(struct cpu_info *ci) 255 { 256 (*powerpc_intrsw->intrsw_cpu_init)(ci); 257 } 258 259 void intr_init(void) __stub; 260 261 void 262 intr_init(void) 263 { 264 (*powerpc_intrsw->intrsw_init)(); 265 } 266 267 void 268 booke_fixup_stubs(void) 269 { 270 extern uint32_t _ftext[]; 271 extern uint32_t _etext[]; 272 273 powerpc_fixup_stubs(_ftext, _etext); 274 } 275