arm32_boot.c revision 1.2.2.2
1 1.2.2.2 yamt /* $NetBSD: arm32_boot.c,v 1.2.2.2 2012/10/30 17:18:56 yamt Exp $ */ 2 1.2.2.2 yamt 3 1.2.2.2 yamt /* 4 1.2.2.2 yamt * Copyright (c) 2002, 2003, 2005 Genetec Corporation. All rights reserved. 5 1.2.2.2 yamt * Written by Hiroyuki Bessho for Genetec Corporation. 6 1.2.2.2 yamt * 7 1.2.2.2 yamt * Redistribution and use in source and binary forms, with or without 8 1.2.2.2 yamt * modification, are permitted provided that the following conditions 9 1.2.2.2 yamt * are met: 10 1.2.2.2 yamt * 1. Redistributions of source code must retain the above copyright 11 1.2.2.2 yamt * notice, this list of conditions and the following disclaimer. 12 1.2.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 13 1.2.2.2 yamt * notice, this list of conditions and the following disclaimer in the 14 1.2.2.2 yamt * documentation and/or other materials provided with the distribution. 15 1.2.2.2 yamt * 3. The name of Genetec Corporation may not be used to endorse or 16 1.2.2.2 yamt * promote products derived from this software without specific prior 17 1.2.2.2 yamt * written permission. 18 1.2.2.2 yamt * 19 1.2.2.2 yamt * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND 20 1.2.2.2 yamt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.2.2.2 yamt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.2.2.2 yamt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION 23 1.2.2.2 yamt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.2.2.2 yamt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.2.2.2 yamt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.2.2.2 yamt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.2.2.2 yamt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.2.2.2 yamt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.2.2.2 yamt * POSSIBILITY OF SUCH DAMAGE. 30 1.2.2.2 yamt * 31 1.2.2.2 yamt * Copyright (c) 2001 Wasabi Systems, Inc. 32 1.2.2.2 yamt * All rights reserved. 33 1.2.2.2 yamt * 34 1.2.2.2 yamt * Written by Jason R. Thorpe for Wasabi Systems, Inc. 35 1.2.2.2 yamt * 36 1.2.2.2 yamt * Redistribution and use in source and binary forms, with or without 37 1.2.2.2 yamt * modification, are permitted provided that the following conditions 38 1.2.2.2 yamt * are met: 39 1.2.2.2 yamt * 1. Redistributions of source code must retain the above copyright 40 1.2.2.2 yamt * notice, this list of conditions and the following disclaimer. 41 1.2.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 42 1.2.2.2 yamt * notice, this list of conditions and the following disclaimer in the 43 1.2.2.2 yamt * documentation and/or other materials provided with the distribution. 44 1.2.2.2 yamt * 3. All advertising materials mentioning features or use of this software 45 1.2.2.2 yamt * must display the following acknowledgement: 46 1.2.2.2 yamt * This product includes software developed for the NetBSD Project by 47 1.2.2.2 yamt * Wasabi Systems, Inc. 48 1.2.2.2 yamt * 4. The name of Wasabi Systems, Inc. may not be used to endorse 49 1.2.2.2 yamt * or promote products derived from this software without specific prior 50 1.2.2.2 yamt * written permission. 51 1.2.2.2 yamt * 52 1.2.2.2 yamt * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 53 1.2.2.2 yamt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 54 1.2.2.2 yamt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 55 1.2.2.2 yamt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 56 1.2.2.2 yamt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 57 1.2.2.2 yamt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 58 1.2.2.2 yamt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 59 1.2.2.2 yamt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 60 1.2.2.2 yamt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 61 1.2.2.2 yamt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 62 1.2.2.2 yamt * POSSIBILITY OF SUCH DAMAGE. 63 1.2.2.2 yamt * 64 1.2.2.2 yamt * Copyright (c) 1997,1998 Mark Brinicombe. 65 1.2.2.2 yamt * Copyright (c) 1997,1998 Causality Limited. 66 1.2.2.2 yamt * All rights reserved. 67 1.2.2.2 yamt * 68 1.2.2.2 yamt * Redistribution and use in source and binary forms, with or without 69 1.2.2.2 yamt * modification, are permitted provided that the following conditions 70 1.2.2.2 yamt * are met: 71 1.2.2.2 yamt * 1. Redistributions of source code must retain the above copyright 72 1.2.2.2 yamt * notice, this list of conditions and the following disclaimer. 73 1.2.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 74 1.2.2.2 yamt * notice, this list of conditions and the following disclaimer in the 75 1.2.2.2 yamt * documentation and/or other materials provided with the distribution. 76 1.2.2.2 yamt * 3. All advertising materials mentioning features or use of this software 77 1.2.2.2 yamt * must display the following acknowledgement: 78 1.2.2.2 yamt * This product includes software developed by Mark Brinicombe 79 1.2.2.2 yamt * for the NetBSD Project. 80 1.2.2.2 yamt * 4. The name of the company nor the name of the author may be used to 81 1.2.2.2 yamt * endorse or promote products derived from this software without specific 82 1.2.2.2 yamt * prior written permission. 83 1.2.2.2 yamt * 84 1.2.2.2 yamt * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 85 1.2.2.2 yamt * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 86 1.2.2.2 yamt * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 87 1.2.2.2 yamt * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 88 1.2.2.2 yamt * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 89 1.2.2.2 yamt * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 90 1.2.2.2 yamt * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 91 1.2.2.2 yamt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 92 1.2.2.2 yamt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 93 1.2.2.2 yamt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 94 1.2.2.2 yamt * SUCH DAMAGE. 95 1.2.2.2 yamt * 96 1.2.2.2 yamt * Copyright (c) 2007 Microsoft 97 1.2.2.2 yamt * All rights reserved. 98 1.2.2.2 yamt * 99 1.2.2.2 yamt * Redistribution and use in source and binary forms, with or without 100 1.2.2.2 yamt * modification, are permitted provided that the following conditions 101 1.2.2.2 yamt * are met: 102 1.2.2.2 yamt * 1. Redistributions of source code must retain the above copyright 103 1.2.2.2 yamt * notice, this list of conditions and the following disclaimer. 104 1.2.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 105 1.2.2.2 yamt * notice, this list of conditions and the following disclaimer in the 106 1.2.2.2 yamt * documentation and/or other materials provided with the distribution. 107 1.2.2.2 yamt * 3. All advertising materials mentioning features or use of this software 108 1.2.2.2 yamt * must display the following acknowledgement: 109 1.2.2.2 yamt * This product includes software developed by Microsoft 110 1.2.2.2 yamt * 111 1.2.2.2 yamt * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 112 1.2.2.2 yamt * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 113 1.2.2.2 yamt * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 114 1.2.2.2 yamt * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTERS BE LIABLE FOR ANY DIRECT, 115 1.2.2.2 yamt * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 116 1.2.2.2 yamt * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 117 1.2.2.2 yamt * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 118 1.2.2.2 yamt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 119 1.2.2.2 yamt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 120 1.2.2.2 yamt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 121 1.2.2.2 yamt * SUCH DAMAGE. 122 1.2.2.2 yamt */ 123 1.2.2.2 yamt 124 1.2.2.2 yamt #include <sys/cdefs.h> 125 1.2.2.2 yamt 126 1.2.2.2 yamt __KERNEL_RCSID(1, "$NetBSD: arm32_boot.c,v 1.2.2.2 2012/10/30 17:18:56 yamt Exp $"); 127 1.2.2.2 yamt 128 1.2.2.2 yamt #include <sys/param.h> 129 1.2.2.2 yamt #include <sys/reboot.h> 130 1.2.2.2 yamt #include <sys/cpu.h> 131 1.2.2.2 yamt #include <sys/intr.h> 132 1.2.2.2 yamt 133 1.2.2.2 yamt #include <uvm/uvm_extern.h> 134 1.2.2.2 yamt 135 1.2.2.2 yamt #include <arm/undefined.h> 136 1.2.2.2 yamt #include <arm/arm32/machdep.h> 137 1.2.2.2 yamt 138 1.2.2.2 yamt #include <machine/db_machdep.h> 139 1.2.2.2 yamt #include <ddb/db_extern.h> 140 1.2.2.2 yamt 141 1.2.2.2 yamt #include <machine/bootconfig.h> 142 1.2.2.2 yamt 143 1.2.2.2 yamt vaddr_t 144 1.2.2.2 yamt initarm_common(vaddr_t kvm_base, vsize_t kvm_size, 145 1.2.2.2 yamt const struct boot_physmem *bp, size_t nbp) 146 1.2.2.2 yamt { 147 1.2.2.2 yamt struct bootmem_info * const bmi = &bootmem_info; 148 1.2.2.2 yamt 149 1.2.2.2 yamt #ifdef VERBOSE_INIT_ARM 150 1.2.2.2 yamt printf("nfreeblocks = %u, free_pages = %d (%#x)\n", 151 1.2.2.2 yamt bmi->bmi_nfreeblocks, bmi->bmi_freepages, 152 1.2.2.2 yamt bmi->bmi_freepages); 153 1.2.2.2 yamt #endif 154 1.2.2.2 yamt 155 1.2.2.2 yamt /* 156 1.2.2.2 yamt * Moved from cpu_startup() as data_abort_handler() references 157 1.2.2.2 yamt * this during uvm init. 158 1.2.2.2 yamt */ 159 1.2.2.2 yamt uvm_lwp_setuarea(&lwp0, kernelstack.pv_va); 160 1.2.2.2 yamt 161 1.2.2.2 yamt #ifdef VERBOSE_INIT_ARM 162 1.2.2.2 yamt printf("bootstrap done.\n"); 163 1.2.2.2 yamt #endif 164 1.2.2.2 yamt 165 1.2.2.2 yamt arm32_vector_init(systempage.pv_va, ARM_VEC_ALL); 166 1.2.2.2 yamt 167 1.2.2.2 yamt /* 168 1.2.2.2 yamt * Pages were allocated during the secondary bootstrap for the 169 1.2.2.2 yamt * stacks for different CPU modes. 170 1.2.2.2 yamt * We must now set the r13 registers in the different CPU modes to 171 1.2.2.2 yamt * point to these stacks. 172 1.2.2.2 yamt * Since the ARM stacks use STMFD etc. we must set r13 to the top end 173 1.2.2.2 yamt * of the stack memory. 174 1.2.2.2 yamt */ 175 1.2.2.2 yamt #ifdef VERBOSE_INIT_ARM 176 1.2.2.2 yamt printf("init subsystems: stacks "); 177 1.2.2.2 yamt #endif 178 1.2.2.2 yamt set_stackptr(PSR_FIQ32_MODE, 179 1.2.2.2 yamt fiqstack.pv_va + FIQ_STACK_SIZE * PAGE_SIZE); 180 1.2.2.2 yamt set_stackptr(PSR_IRQ32_MODE, 181 1.2.2.2 yamt irqstack.pv_va + IRQ_STACK_SIZE * PAGE_SIZE); 182 1.2.2.2 yamt set_stackptr(PSR_ABT32_MODE, 183 1.2.2.2 yamt abtstack.pv_va + ABT_STACK_SIZE * PAGE_SIZE); 184 1.2.2.2 yamt set_stackptr(PSR_UND32_MODE, 185 1.2.2.2 yamt undstack.pv_va + UND_STACK_SIZE * PAGE_SIZE); 186 1.2.2.2 yamt 187 1.2.2.2 yamt /* 188 1.2.2.2 yamt * Well we should set a data abort handler. 189 1.2.2.2 yamt * Once things get going this will change as we will need a proper 190 1.2.2.2 yamt * handler. 191 1.2.2.2 yamt * Until then we will use a handler that just panics but tells us 192 1.2.2.2 yamt * why. 193 1.2.2.2 yamt * Initialisation of the vectors will just panic on a data abort. 194 1.2.2.2 yamt * This just fills in a slightly better one. 195 1.2.2.2 yamt */ 196 1.2.2.2 yamt #ifdef VERBOSE_INIT_ARM 197 1.2.2.2 yamt printf("vectors "); 198 1.2.2.2 yamt #endif 199 1.2.2.2 yamt data_abort_handler_address = (u_int)data_abort_handler; 200 1.2.2.2 yamt prefetch_abort_handler_address = (u_int)prefetch_abort_handler; 201 1.2.2.2 yamt undefined_handler_address = (u_int)undefinedinstruction_bounce; 202 1.2.2.2 yamt 203 1.2.2.2 yamt /* Initialise the undefined instruction handlers */ 204 1.2.2.2 yamt #ifdef VERBOSE_INIT_ARM 205 1.2.2.2 yamt printf("undefined "); 206 1.2.2.2 yamt #endif 207 1.2.2.2 yamt undefined_init(); 208 1.2.2.2 yamt 209 1.2.2.2 yamt /* Load memory into UVM. */ 210 1.2.2.2 yamt #ifdef VERBOSE_INIT_ARM 211 1.2.2.2 yamt printf("page "); 212 1.2.2.2 yamt #endif 213 1.2.2.2 yamt uvm_setpagesize(); /* initialize PAGE_SIZE-dependent variables */ 214 1.2.2.2 yamt 215 1.2.2.2 yamt #ifdef VERBOSE_INIT_ARM 216 1.2.2.2 yamt printf("pmap_physload "); 217 1.2.2.2 yamt #endif 218 1.2.2.2 yamt KASSERT(bp != NULL || nbp == 0); 219 1.2.2.2 yamt KASSERT(bp == NULL || nbp != 0); 220 1.2.2.2 yamt 221 1.2.2.2 yamt for (size_t i = 0; i < bmi->bmi_nfreeblocks; i++) { 222 1.2.2.2 yamt pv_addr_t * const pv = &bmi->bmi_freeblocks[i]; 223 1.2.2.2 yamt paddr_t start = atop(pv->pv_pa); 224 1.2.2.2 yamt const paddr_t end = start + atop(pv->pv_size); 225 1.2.2.2 yamt 226 1.2.2.2 yamt while (start < end) { 227 1.2.2.2 yamt int vm_freelist = VM_FREELIST_DEFAULT; 228 1.2.2.2 yamt paddr_t segend = end; 229 1.2.2.2 yamt /* 230 1.2.2.2 yamt * This assumes the bp list is sorted in ascending 231 1.2.2.2 yamt * order. 232 1.2.2.2 yamt */ 233 1.2.2.2 yamt for (size_t j = 0; j < nbp; j++) { 234 1.2.2.2 yamt paddr_t bp_start = bp[j].bp_start; 235 1.2.2.2 yamt paddr_t bp_end = bp_start + bp[j].bp_pages; 236 1.2.2.2 yamt if (start < bp_start) { 237 1.2.2.2 yamt if (segend > bp_start) { 238 1.2.2.2 yamt segend = bp_start; 239 1.2.2.2 yamt } 240 1.2.2.2 yamt break; 241 1.2.2.2 yamt } 242 1.2.2.2 yamt if (start < bp_end) { 243 1.2.2.2 yamt if (segend > bp_end) { 244 1.2.2.2 yamt segend = bp_end; 245 1.2.2.2 yamt } 246 1.2.2.2 yamt vm_freelist = bp[j].bp_freelist; 247 1.2.2.2 yamt break; 248 1.2.2.2 yamt } 249 1.2.2.2 yamt } 250 1.2.2.2 yamt 251 1.2.2.2 yamt uvm_page_physload(start, segend, start, segend, 252 1.2.2.2 yamt vm_freelist); 253 1.2.2.2 yamt start = segend; 254 1.2.2.2 yamt } 255 1.2.2.2 yamt } 256 1.2.2.2 yamt 257 1.2.2.2 yamt /* Boot strap pmap telling it where the kernel page table is */ 258 1.2.2.2 yamt #ifdef VERBOSE_INIT_ARM 259 1.2.2.2 yamt printf("pmap "); 260 1.2.2.2 yamt #endif 261 1.2.2.2 yamt pmap_bootstrap(kvm_base, kvm_base + kvm_size); 262 1.2.2.2 yamt 263 1.2.2.2 yamt #ifdef __HAVE_MEMORY_DISK__ 264 1.2.2.2 yamt md_root_setconf(memory_disk, sizeof memory_disk); 265 1.2.2.2 yamt #endif 266 1.2.2.2 yamt 267 1.2.2.2 yamt #ifdef BOOTHOWTO 268 1.2.2.2 yamt boothowto |= BOOTHOWTO; 269 1.2.2.2 yamt #endif 270 1.2.2.2 yamt 271 1.2.2.2 yamt #ifdef KGDB 272 1.2.2.2 yamt if (boothowto & RB_KDB) { 273 1.2.2.2 yamt kgdb_debug_init = 1; 274 1.2.2.2 yamt kgdb_connect(1); 275 1.2.2.2 yamt } 276 1.2.2.2 yamt #endif 277 1.2.2.2 yamt 278 1.2.2.2 yamt #ifdef DDB 279 1.2.2.2 yamt db_machine_init(); 280 1.2.2.2 yamt ddb_init(0, NULL, NULL); 281 1.2.2.2 yamt 282 1.2.2.2 yamt if (boothowto & RB_KDB) 283 1.2.2.2 yamt Debugger(); 284 1.2.2.2 yamt #endif 285 1.2.2.2 yamt 286 1.2.2.2 yamt #ifdef VERBOSE_INIT_ARM 287 1.2.2.2 yamt printf("done.\n"); 288 1.2.2.2 yamt #endif 289 1.2.2.2 yamt 290 1.2.2.2 yamt /* We return the new stack pointer address */ 291 1.2.2.2 yamt return kernelstack.pv_va + USPACE_SVC_STACK_TOP; 292 1.2.2.2 yamt } 293 1.2.2.2 yamt 294 1.2.2.2 yamt #ifdef MULTIPROCESSOR 295 1.2.2.2 yamt /* 296 1.2.2.2 yamt * When we are called, the MMU and caches are on and we are running on the stack 297 1.2.2.2 yamt * of the idlelwp for this cpu. 298 1.2.2.2 yamt */ 299 1.2.2.2 yamt void 300 1.2.2.2 yamt cpu_hatch(struct cpu_info *ci, cpuid_t cpuid, void (*md_cpu_init)(struct cpu_info *)) 301 1.2.2.2 yamt { 302 1.2.2.2 yamt KASSERT(cpu_index(ci) == cpuid); 303 1.2.2.2 yamt 304 1.2.2.2 yamt /* 305 1.2.2.2 yamt * Raise our IPL to the max 306 1.2.2.2 yamt */ 307 1.2.2.2 yamt splhigh(); 308 1.2.2.2 yamt 309 1.2.2.2 yamt printf("%s(%s): ", __func__, ci->ci_data.cpu_name); 310 1.2.2.2 yamt 311 1.2.2.2 yamt /* 312 1.2.2.2 yamt * Make sure we have the right vector page. 313 1.2.2.2 yamt */ 314 1.2.2.2 yamt printf(" vectors"); 315 1.2.2.2 yamt arm32_vector_init(systempage.pv_va, ARM_VEC_ALL); 316 1.2.2.2 yamt 317 1.2.2.2 yamt /* 318 1.2.2.2 yamt * Initialize the stack for each mode (we are already running on the SVC32 319 1.2.2.2 yamt * stack of the idlelwp). 320 1.2.2.2 yamt */ 321 1.2.2.2 yamt printf(" stacks"); 322 1.2.2.2 yamt set_stackptr(PSR_FIQ32_MODE, 323 1.2.2.2 yamt fiqstack.pv_va + cpu_index(ci) * FIQ_STACK_SIZE * PAGE_SIZE); 324 1.2.2.2 yamt set_stackptr(PSR_IRQ32_MODE, 325 1.2.2.2 yamt irqstack.pv_va + cpu_index(ci) * IRQ_STACK_SIZE * PAGE_SIZE); 326 1.2.2.2 yamt set_stackptr(PSR_ABT32_MODE, 327 1.2.2.2 yamt abtstack.pv_va + cpu_index(ci) * ABT_STACK_SIZE * PAGE_SIZE); 328 1.2.2.2 yamt set_stackptr(PSR_UND32_MODE, 329 1.2.2.2 yamt undstack.pv_va + cpu_index(ci) * UND_STACK_SIZE * PAGE_SIZE); 330 1.2.2.2 yamt 331 1.2.2.2 yamt #if 0 332 1.2.2.2 yamt /* 333 1.2.2.2 yamt * Now that we are going to apart of the kernel, 334 1.2.2.2 yamt * take out the kernel lock. 335 1.2.2.2 yamt */ 336 1.2.2.2 yamt printf(" kernel_lock"); 337 1.2.2.2 yamt KERNEL_LOCK(1, NULL); 338 1.2.2.2 yamt #endif 339 1.2.2.2 yamt #ifdef CPU_CORTEX 340 1.2.2.2 yamt if (CPU_ID_CORTEX_P(ci->ci_arm_cpuid)) { 341 1.2.2.2 yamt /* 342 1.2.2.2 yamt * Start and reset the PMC Cycle Counter. 343 1.2.2.2 yamt */ 344 1.2.2.2 yamt armreg_pmcr_write(ARM11_PMCCTL_E|ARM11_PMCCTL_P|ARM11_PMCCTL_C); 345 1.2.2.2 yamt armreg_pmcntenset_write(CORTEX_CNTENS_C); 346 1.2.2.2 yamt } 347 1.2.2.2 yamt #endif 348 1.2.2.2 yamt 349 1.2.2.2 yamt printf(" interrupts"); 350 1.2.2.2 yamt /* 351 1.2.2.2 yamt * Let the interrupts do what they need to on this CPU. 352 1.2.2.2 yamt */ 353 1.2.2.2 yamt intr_cpu_init(ci); 354 1.2.2.2 yamt 355 1.2.2.2 yamt printf(" md(%p)", md_cpu_init); 356 1.2.2.2 yamt if (md_cpu_init != NULL) 357 1.2.2.2 yamt (*md_cpu_init)(ci); 358 1.2.2.2 yamt 359 1.2.2.2 yamt #if 0 360 1.2.2.2 yamt /* 361 1.2.2.2 yamt * Tell the MI code we are alive! 362 1.2.2.2 yamt */ 363 1.2.2.2 yamt printf(" mi_cpu"); 364 1.2.2.2 yamt mi_cpu_running(ci); 365 1.2.2.2 yamt #endif 366 1.2.2.2 yamt 367 1.2.2.2 yamt printf(" done!\n"); 368 1.2.2.2 yamt } 369 1.2.2.2 yamt #endif /* MULTIPROCESSOR */ 370
Indexes created Mon Oct 13 00:09:54 GMT 2025