arm32_machdep.c revision 1.2.2.7
1 1.2.2.7 jdolecek /* $NetBSD: arm32_machdep.c,v 1.2.2.7 2002/03/16 15:56:02 jdolecek Exp $ */ 2 1.2.2.2 lukem 3 1.2.2.2 lukem /* 4 1.2.2.2 lukem * Copyright (c) 1994-1998 Mark Brinicombe. 5 1.2.2.2 lukem * Copyright (c) 1994 Brini. 6 1.2.2.2 lukem * All rights reserved. 7 1.2.2.2 lukem * 8 1.2.2.2 lukem * This code is derived from software written for Brini by Mark Brinicombe 9 1.2.2.2 lukem * 10 1.2.2.2 lukem * Redistribution and use in source and binary forms, with or without 11 1.2.2.2 lukem * modification, are permitted provided that the following conditions 12 1.2.2.2 lukem * are met: 13 1.2.2.2 lukem * 1. Redistributions of source code must retain the above copyright 14 1.2.2.2 lukem * notice, this list of conditions and the following disclaimer. 15 1.2.2.2 lukem * 2. Redistributions in binary form must reproduce the above copyright 16 1.2.2.2 lukem * notice, this list of conditions and the following disclaimer in the 17 1.2.2.2 lukem * documentation and/or other materials provided with the distribution. 18 1.2.2.2 lukem * 3. All advertising materials mentioning features or use of this software 19 1.2.2.2 lukem * must display the following acknowledgement: 20 1.2.2.2 lukem * This product includes software developed by Mark Brinicombe 21 1.2.2.2 lukem * for the NetBSD Project. 22 1.2.2.2 lukem * 4. The name of the company nor the name of the author may be used to 23 1.2.2.2 lukem * endorse or promote products derived from this software without specific 24 1.2.2.2 lukem * prior written permission. 25 1.2.2.2 lukem * 26 1.2.2.2 lukem * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 27 1.2.2.2 lukem * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 28 1.2.2.2 lukem * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 29 1.2.2.2 lukem * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 30 1.2.2.2 lukem * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 31 1.2.2.2 lukem * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 32 1.2.2.2 lukem * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 1.2.2.2 lukem * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 1.2.2.2 lukem * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 1.2.2.2 lukem * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 1.2.2.2 lukem * SUCH DAMAGE. 37 1.2.2.2 lukem * 38 1.2.2.2 lukem * Machine dependant functions for kernel setup 39 1.2.2.2 lukem * 40 1.2.2.2 lukem * Created : 17/09/94 41 1.2.2.2 lukem * Updated : 18/04/01 updated for new wscons 42 1.2.2.2 lukem */ 43 1.2.2.2 lukem 44 1.2.2.2 lukem #include "opt_md.h" 45 1.2.2.2 lukem #include "opt_pmap_debug.h" 46 1.2.2.2 lukem 47 1.2.2.2 lukem #include <sys/param.h> 48 1.2.2.2 lukem #include <sys/systm.h> 49 1.2.2.2 lukem #include <sys/reboot.h> 50 1.2.2.2 lukem #include <sys/proc.h> 51 1.2.2.2 lukem #include <sys/user.h> 52 1.2.2.2 lukem #include <sys/kernel.h> 53 1.2.2.2 lukem #include <sys/mbuf.h> 54 1.2.2.2 lukem #include <sys/mount.h> 55 1.2.2.2 lukem #include <sys/buf.h> 56 1.2.2.2 lukem #include <sys/msgbuf.h> 57 1.2.2.2 lukem #include <sys/device.h> 58 1.2.2.2 lukem #include <uvm/uvm_extern.h> 59 1.2.2.2 lukem #include <sys/sysctl.h> 60 1.2.2.2 lukem 61 1.2.2.2 lukem #include <dev/cons.h> 62 1.2.2.2 lukem 63 1.2.2.5 thorpej #include <arm/arm32/katelib.h> 64 1.2.2.5 thorpej #include <arm/arm32/machdep.h> 65 1.2.2.2 lukem #include <machine/bootconfig.h> 66 1.2.2.2 lukem 67 1.2.2.2 lukem #include "opt_ipkdb.h" 68 1.2.2.2 lukem #include "md.h" 69 1.2.2.2 lukem 70 1.2.2.2 lukem struct vm_map *exec_map = NULL; 71 1.2.2.2 lukem struct vm_map *mb_map = NULL; 72 1.2.2.2 lukem struct vm_map *phys_map = NULL; 73 1.2.2.2 lukem 74 1.2.2.2 lukem extern int physmem; 75 1.2.2.2 lukem 76 1.2.2.2 lukem #ifndef PMAP_STATIC_L1S 77 1.2.2.2 lukem extern int max_processes; 78 1.2.2.2 lukem #endif /* !PMAP_STATIC_L1S */ 79 1.2.2.7 jdolecek #if NMD > 0 && defined(MEMORY_DISK_HOOKS) && !defined(MEMORY_DISK_SIZE) 80 1.2.2.2 lukem extern u_int memory_disc_size; /* Memory disc size */ 81 1.2.2.7 jdolecek #endif /* NMD && MEMORY_DISK_HOOKS && !MEMORY_DISK_SIZE */ 82 1.2.2.2 lukem 83 1.2.2.2 lukem pv_addr_t systempage; 84 1.2.2.2 lukem pv_addr_t kernelstack; 85 1.2.2.2 lukem 86 1.2.2.2 lukem /* the following is used externally (sysctl_hw) */ 87 1.2.2.2 lukem char machine[] = MACHINE; /* from <machine/param.h> */ 88 1.2.2.2 lukem char machine_arch[] = MACHINE_ARCH; /* from <machine/param.h> */ 89 1.2.2.2 lukem 90 1.2.2.2 lukem /* Our exported CPU info; we can have only one. */ 91 1.2.2.2 lukem struct cpu_info cpu_info_store; 92 1.2.2.2 lukem 93 1.2.2.2 lukem extern pt_entry_t msgbufpte; 94 1.2.2.2 lukem caddr_t msgbufaddr; 95 1.2.2.2 lukem extern paddr_t msgbufphys; 96 1.2.2.2 lukem 97 1.2.2.2 lukem int kernel_debug = 0; 98 1.2.2.2 lukem 99 1.2.2.2 lukem struct user *proc0paddr; 100 1.2.2.2 lukem 101 1.2.2.7 jdolecek /* exported variable to be filled in by the bootloaders */ 102 1.2.2.2 lukem char *booted_kernel; 103 1.2.2.2 lukem 104 1.2.2.2 lukem 105 1.2.2.2 lukem /* Prototypes */ 106 1.2.2.2 lukem 107 1.2.2.2 lukem u_long strtoul __P((const char *s, char **ptr, int base)); 108 1.2.2.2 lukem void data_abort_handler __P((trapframe_t *frame)); 109 1.2.2.2 lukem void prefetch_abort_handler __P((trapframe_t *frame)); 110 1.2.2.2 lukem void zero_page_readonly __P((void)); 111 1.2.2.2 lukem void zero_page_readwrite __P((void)); 112 1.2.2.2 lukem extern void configure __P((void)); 113 1.2.2.2 lukem 114 1.2.2.2 lukem /* 115 1.2.2.2 lukem * Debug function just to park the CPU 116 1.2.2.2 lukem */ 117 1.2.2.2 lukem 118 1.2.2.2 lukem void 119 1.2.2.2 lukem halt() 120 1.2.2.2 lukem { 121 1.2.2.2 lukem while (1) 122 1.2.2.2 lukem cpu_sleep(0); 123 1.2.2.2 lukem } 124 1.2.2.2 lukem 125 1.2.2.2 lukem 126 1.2.2.2 lukem /* Sync the discs and unmount the filesystems */ 127 1.2.2.2 lukem 128 1.2.2.2 lukem void 129 1.2.2.2 lukem bootsync(void) 130 1.2.2.2 lukem { 131 1.2.2.2 lukem static int bootsyncdone = 0; 132 1.2.2.2 lukem 133 1.2.2.2 lukem if (bootsyncdone) return; 134 1.2.2.2 lukem 135 1.2.2.2 lukem bootsyncdone = 1; 136 1.2.2.2 lukem 137 1.2.2.2 lukem /* Make sure we can still manage to do things */ 138 1.2.2.2 lukem if (GetCPSR() & I32_bit) { 139 1.2.2.2 lukem /* 140 1.2.2.2 lukem * If we get here then boot has been called without RB_NOSYNC 141 1.2.2.2 lukem * and interrupts were disabled. This means the boot() call 142 1.2.2.2 lukem * did not come from a user process e.g. shutdown, but must 143 1.2.2.2 lukem * have come from somewhere in the kernel. 144 1.2.2.2 lukem */ 145 1.2.2.2 lukem IRQenable; 146 1.2.2.2 lukem printf("Warning IRQ's disabled during boot()\n"); 147 1.2.2.2 lukem } 148 1.2.2.2 lukem 149 1.2.2.2 lukem vfs_shutdown(); 150 1.2.2.2 lukem } 151 1.2.2.2 lukem 152 1.2.2.2 lukem /* 153 1.2.2.2 lukem * void cpu_startup(void) 154 1.2.2.2 lukem * 155 1.2.2.2 lukem * Machine dependant startup code. 156 1.2.2.2 lukem * 157 1.2.2.2 lukem */ 158 1.2.2.2 lukem 159 1.2.2.2 lukem void 160 1.2.2.2 lukem cpu_startup() 161 1.2.2.2 lukem { 162 1.2.2.2 lukem int loop; 163 1.2.2.2 lukem paddr_t minaddr; 164 1.2.2.2 lukem paddr_t maxaddr; 165 1.2.2.2 lukem caddr_t sysbase; 166 1.2.2.2 lukem caddr_t size; 167 1.2.2.2 lukem vsize_t bufsize; 168 1.2.2.2 lukem int base, residual; 169 1.2.2.2 lukem char pbuf[9]; 170 1.2.2.2 lukem 171 1.2.2.2 lukem proc0paddr = (struct user *)kernelstack.pv_va; 172 1.2.2.2 lukem proc0.p_addr = proc0paddr; 173 1.2.2.2 lukem 174 1.2.2.2 lukem /* Set the cpu control register */ 175 1.2.2.2 lukem cpu_setup(boot_args); 176 1.2.2.2 lukem 177 1.2.2.2 lukem /* All domains MUST be clients, permissions are VERY important */ 178 1.2.2.2 lukem cpu_domains(DOMAIN_CLIENT); 179 1.2.2.2 lukem 180 1.2.2.2 lukem /* Lock down zero page */ 181 1.2.2.2 lukem zero_page_readonly(); 182 1.2.2.2 lukem 183 1.2.2.2 lukem /* 184 1.2.2.2 lukem * Give pmap a chance to set up a few more things now the vm 185 1.2.2.2 lukem * is initialised 186 1.2.2.2 lukem */ 187 1.2.2.2 lukem pmap_postinit(); 188 1.2.2.2 lukem 189 1.2.2.2 lukem /* 190 1.2.2.2 lukem * Initialize error message buffer (at end of core). 191 1.2.2.2 lukem */ 192 1.2.2.2 lukem 193 1.2.2.2 lukem /* msgbufphys was setup during the secondary boot strap */ 194 1.2.2.2 lukem for (loop = 0; loop < btoc(MSGBUFSIZE); ++loop) 195 1.2.2.3 thorpej pmap_kenter_pa((vaddr_t)msgbufaddr + loop * NBPG, 196 1.2.2.3 thorpej msgbufphys + loop * NBPG, VM_PROT_READ|VM_PROT_WRITE); 197 1.2.2.4 thorpej pmap_update(pmap_kernel()); 198 1.2.2.2 lukem initmsgbuf(msgbufaddr, round_page(MSGBUFSIZE)); 199 1.2.2.2 lukem 200 1.2.2.2 lukem /* 201 1.2.2.2 lukem * Identify ourselves for the msgbuf (everything printed earlier will 202 1.2.2.2 lukem * not be buffered). 203 1.2.2.2 lukem */ 204 1.2.2.2 lukem printf(version); 205 1.2.2.2 lukem 206 1.2.2.2 lukem format_bytes(pbuf, sizeof(pbuf), arm_page_to_byte(physmem)); 207 1.2.2.2 lukem printf("total memory = %s\n", pbuf); 208 1.2.2.2 lukem 209 1.2.2.2 lukem /* 210 1.2.2.2 lukem * Find out how much space we need, allocate it, 211 1.2.2.2 lukem * and then give everything true virtual addresses. 212 1.2.2.2 lukem */ 213 1.2.2.2 lukem size = allocsys(NULL, NULL); 214 1.2.2.2 lukem sysbase = (caddr_t)uvm_km_zalloc(kernel_map, round_page((vaddr_t)size)); 215 1.2.2.2 lukem if (sysbase == 0) 216 1.2.2.2 lukem panic( 217 1.2.2.2 lukem "cpu_startup: no room for system tables; %d bytes required", 218 1.2.2.2 lukem (u_int)size); 219 1.2.2.2 lukem if ((caddr_t)((allocsys(sysbase, NULL) - sysbase)) != size) 220 1.2.2.2 lukem panic("cpu_startup: system table size inconsistency"); 221 1.2.2.2 lukem 222 1.2.2.2 lukem /* 223 1.2.2.2 lukem * Now allocate buffers proper. They are different than the above 224 1.2.2.2 lukem * in that they usually occupy more virtual memory than physical. 225 1.2.2.2 lukem */ 226 1.2.2.2 lukem bufsize = MAXBSIZE * nbuf; 227 1.2.2.2 lukem if (uvm_map(kernel_map, (vaddr_t *)&buffers, round_page(bufsize), 228 1.2.2.2 lukem NULL, UVM_UNKNOWN_OFFSET, 0, 229 1.2.2.2 lukem UVM_MAPFLAG(UVM_PROT_NONE, UVM_PROT_NONE, UVM_INH_NONE, 230 1.2.2.2 lukem UVM_ADV_NORMAL, 0)) != 0) 231 1.2.2.2 lukem panic("cpu_startup: cannot allocate UVM space for buffers"); 232 1.2.2.2 lukem minaddr = (vaddr_t)buffers; 233 1.2.2.2 lukem if ((bufpages / nbuf) >= btoc(MAXBSIZE)) { 234 1.2.2.2 lukem /* don't want to alloc more physical mem than needed */ 235 1.2.2.2 lukem bufpages = btoc(MAXBSIZE) * nbuf; 236 1.2.2.2 lukem } 237 1.2.2.2 lukem 238 1.2.2.2 lukem base = bufpages / nbuf; 239 1.2.2.2 lukem residual = bufpages % nbuf; 240 1.2.2.2 lukem for (loop = 0; loop < nbuf; ++loop) { 241 1.2.2.2 lukem vsize_t curbufsize; 242 1.2.2.2 lukem vaddr_t curbuf; 243 1.2.2.2 lukem struct vm_page *pg; 244 1.2.2.2 lukem 245 1.2.2.3 thorpej /* 246 1.2.2.3 thorpej * Each buffer has MAXBSIZE bytes of VM space allocated. Of 247 1.2.2.3 thorpej * that MAXBSIZE space, we allocate and map (base+1) pages 248 1.2.2.3 thorpej * for the first "residual" buffers, and then we allocate 249 1.2.2.3 thorpej * "base" pages for the rest. 250 1.2.2.3 thorpej */ 251 1.2.2.2 lukem curbuf = (vaddr_t) buffers + (loop * MAXBSIZE); 252 1.2.2.2 lukem curbufsize = NBPG * ((loop < residual) ? (base+1) : base); 253 1.2.2.2 lukem 254 1.2.2.2 lukem while (curbufsize) { 255 1.2.2.2 lukem pg = uvm_pagealloc(NULL, 0, NULL, 0); 256 1.2.2.2 lukem if (pg == NULL) 257 1.2.2.2 lukem panic("cpu_startup: not enough memory for buffer cache"); 258 1.2.2.3 thorpej pmap_kenter_pa(curbuf, VM_PAGE_TO_PHYS(pg), 259 1.2.2.3 thorpej VM_PROT_READ|VM_PROT_WRITE); 260 1.2.2.2 lukem curbuf += PAGE_SIZE; 261 1.2.2.2 lukem curbufsize -= PAGE_SIZE; 262 1.2.2.2 lukem } 263 1.2.2.2 lukem } 264 1.2.2.4 thorpej pmap_update(pmap_kernel()); 265 1.2.2.2 lukem 266 1.2.2.2 lukem /* 267 1.2.2.2 lukem * Allocate a submap for exec arguments. This map effectively 268 1.2.2.2 lukem * limits the number of processes exec'ing at any time. 269 1.2.2.2 lukem */ 270 1.2.2.2 lukem exec_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr, 271 1.2.2.2 lukem 16*NCARGS, VM_MAP_PAGEABLE, FALSE, NULL); 272 1.2.2.2 lukem 273 1.2.2.2 lukem /* 274 1.2.2.2 lukem * Allocate a submap for physio 275 1.2.2.2 lukem */ 276 1.2.2.2 lukem phys_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr, 277 1.2.2.2 lukem VM_PHYS_SIZE, 0, FALSE, NULL); 278 1.2.2.2 lukem 279 1.2.2.2 lukem /* 280 1.2.2.2 lukem * Finally, allocate mbuf cluster submap. 281 1.2.2.2 lukem */ 282 1.2.2.2 lukem mb_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr, 283 1.2.2.2 lukem nmbclusters * mclbytes, VM_MAP_INTRSAFE, 284 1.2.2.2 lukem FALSE, NULL); 285 1.2.2.2 lukem 286 1.2.2.2 lukem format_bytes(pbuf, sizeof(pbuf), ptoa(uvmexp.free)); 287 1.2.2.2 lukem printf("avail memory = %s\n", pbuf); 288 1.2.2.2 lukem format_bytes(pbuf, sizeof(pbuf), bufpages * NBPG); 289 1.2.2.2 lukem printf("using %d buffers containing %s of memory\n", nbuf, pbuf); 290 1.2.2.2 lukem 291 1.2.2.2 lukem /* 292 1.2.2.2 lukem * Set up buffers, so they can be used to read disk labels. 293 1.2.2.2 lukem */ 294 1.2.2.2 lukem bufinit(); 295 1.2.2.2 lukem 296 1.2.2.2 lukem curpcb = &proc0.p_addr->u_pcb; 297 1.2.2.2 lukem curpcb->pcb_flags = 0; 298 1.2.2.4 thorpej curpcb->pcb_un.un_32.pcb32_und_sp = (u_int)proc0.p_addr + 299 1.2.2.4 thorpej USPACE_UNDEF_STACK_TOP; 300 1.2.2.4 thorpej curpcb->pcb_un.un_32.pcb32_sp = (u_int)proc0.p_addr + 301 1.2.2.4 thorpej USPACE_SVC_STACK_TOP; 302 1.2.2.2 lukem (void) pmap_extract(pmap_kernel(), (vaddr_t)(pmap_kernel())->pm_pdir, 303 1.2.2.2 lukem (paddr_t *)&curpcb->pcb_pagedir); 304 1.2.2.2 lukem 305 1.2.2.4 thorpej curpcb->pcb_tf = (struct trapframe *)curpcb->pcb_un.un_32.pcb32_sp - 1; 306 1.2.2.2 lukem } 307 1.2.2.2 lukem 308 1.2.2.2 lukem /* 309 1.2.2.2 lukem * Modify the current mapping for zero page to make it read only 310 1.2.2.2 lukem * 311 1.2.2.2 lukem * This routine is only used until things start forking. Then new 312 1.2.2.2 lukem * system pages are mapped read only in pmap_enter(). 313 1.2.2.2 lukem */ 314 1.2.2.2 lukem 315 1.2.2.2 lukem void 316 1.2.2.2 lukem zero_page_readonly() 317 1.2.2.2 lukem { 318 1.2.2.2 lukem WriteWord(PROCESS_PAGE_TBLS_BASE + 0, 319 1.2.2.2 lukem L2_PTE((systempage.pv_pa & PG_FRAME), AP_KR)); 320 1.2.2.2 lukem cpu_tlb_flushID_SE(0x00000000); 321 1.2.2.2 lukem } 322 1.2.2.2 lukem 323 1.2.2.2 lukem 324 1.2.2.2 lukem /* 325 1.2.2.2 lukem * Modify the current mapping for zero page to make it read/write 326 1.2.2.2 lukem * 327 1.2.2.2 lukem * This routine is only used until things start forking. Then system 328 1.2.2.2 lukem * pages belonging to user processes are never made writable. 329 1.2.2.2 lukem */ 330 1.2.2.2 lukem 331 1.2.2.2 lukem void 332 1.2.2.2 lukem zero_page_readwrite() 333 1.2.2.2 lukem { 334 1.2.2.2 lukem WriteWord(PROCESS_PAGE_TBLS_BASE + 0, 335 1.2.2.2 lukem L2_PTE((systempage.pv_pa & PG_FRAME), AP_KRW)); 336 1.2.2.2 lukem cpu_tlb_flushID_SE(0x00000000); 337 1.2.2.2 lukem } 338 1.2.2.2 lukem 339 1.2.2.2 lukem 340 1.2.2.2 lukem /* 341 1.2.2.2 lukem * machine dependent system variables. 342 1.2.2.2 lukem */ 343 1.2.2.2 lukem 344 1.2.2.2 lukem int 345 1.2.2.2 lukem cpu_sysctl(name, namelen, oldp, oldlenp, newp, newlen, p) 346 1.2.2.2 lukem int *name; 347 1.2.2.2 lukem u_int namelen; 348 1.2.2.2 lukem void *oldp; 349 1.2.2.2 lukem size_t *oldlenp; 350 1.2.2.2 lukem void *newp; 351 1.2.2.2 lukem size_t newlen; 352 1.2.2.2 lukem struct proc *p; 353 1.2.2.2 lukem { 354 1.2.2.2 lukem /* all sysctl names at this level are terminal */ 355 1.2.2.2 lukem if (namelen != 1) 356 1.2.2.2 lukem return (ENOTDIR); /* overloaded */ 357 1.2.2.2 lukem 358 1.2.2.2 lukem switch (name[0]) { 359 1.2.2.2 lukem case CPU_DEBUG: 360 1.2.2.2 lukem return(sysctl_int(oldp, oldlenp, newp, newlen, &kernel_debug)); 361 1.2.2.2 lukem 362 1.2.2.2 lukem case CPU_BOOTED_DEVICE: 363 1.2.2.2 lukem if (booted_device != NULL) 364 1.2.2.2 lukem return (sysctl_rdstring(oldp, oldlenp, newp, 365 1.2.2.2 lukem booted_device->dv_xname)); 366 1.2.2.2 lukem return (EOPNOTSUPP); 367 1.2.2.2 lukem 368 1.2.2.2 lukem case CPU_CONSDEV: { 369 1.2.2.2 lukem dev_t consdev; 370 1.2.2.2 lukem if (cn_tab != NULL) 371 1.2.2.2 lukem consdev = cn_tab->cn_dev; 372 1.2.2.2 lukem else 373 1.2.2.2 lukem consdev = NODEV; 374 1.2.2.2 lukem return (sysctl_rdstruct(oldp, oldlenp, newp, &consdev, 375 1.2.2.2 lukem sizeof consdev)); 376 1.2.2.2 lukem } 377 1.2.2.2 lukem case CPU_BOOTED_KERNEL: { 378 1.2.2.2 lukem if (booted_kernel != NULL && booted_kernel[0] != '\0') 379 1.2.2.2 lukem return sysctl_rdstring(oldp, oldlenp, newp, 380 1.2.2.2 lukem booted_kernel); 381 1.2.2.2 lukem return (EOPNOTSUPP); 382 1.2.2.2 lukem } 383 1.2.2.2 lukem 384 1.2.2.2 lukem default: 385 1.2.2.2 lukem return (EOPNOTSUPP); 386 1.2.2.2 lukem } 387 1.2.2.2 lukem /* NOTREACHED */ 388 1.2.2.2 lukem } 389 1.2.2.2 lukem 390 1.2.2.2 lukem void 391 1.2.2.2 lukem parse_mi_bootargs(args) 392 1.2.2.2 lukem char *args; 393 1.2.2.2 lukem { 394 1.2.2.2 lukem int integer; 395 1.2.2.2 lukem 396 1.2.2.2 lukem if (get_bootconf_option(args, "single", BOOTOPT_TYPE_BOOLEAN, &integer) 397 1.2.2.2 lukem || get_bootconf_option(args, "-s", BOOTOPT_TYPE_BOOLEAN, &integer)) 398 1.2.2.2 lukem if (integer) 399 1.2.2.2 lukem boothowto |= RB_SINGLE; 400 1.2.2.2 lukem if (get_bootconf_option(args, "kdb", BOOTOPT_TYPE_BOOLEAN, &integer) 401 1.2.2.2 lukem || get_bootconf_option(args, "-k", BOOTOPT_TYPE_BOOLEAN, &integer)) 402 1.2.2.2 lukem if (integer) 403 1.2.2.2 lukem boothowto |= RB_KDB; 404 1.2.2.2 lukem if (get_bootconf_option(args, "ask", BOOTOPT_TYPE_BOOLEAN, &integer) 405 1.2.2.2 lukem || get_bootconf_option(args, "-a", BOOTOPT_TYPE_BOOLEAN, &integer)) 406 1.2.2.2 lukem if (integer) 407 1.2.2.2 lukem boothowto |= RB_ASKNAME; 408 1.2.2.2 lukem 409 1.2.2.2 lukem #ifdef PMAP_DEBUG 410 1.2.2.2 lukem if (get_bootconf_option(args, "pmapdebug", BOOTOPT_TYPE_INT, &integer)) { 411 1.2.2.2 lukem pmap_debug_level = integer; 412 1.2.2.2 lukem pmap_debug(pmap_debug_level); 413 1.2.2.2 lukem } 414 1.2.2.2 lukem #endif /* PMAP_DEBUG */ 415 1.2.2.2 lukem 416 1.2.2.2 lukem /* if (get_bootconf_option(args, "nbuf", BOOTOPT_TYPE_INT, &integer)) 417 1.2.2.2 lukem bufpages = integer;*/ 418 1.2.2.2 lukem 419 1.2.2.2 lukem #ifndef PMAP_STATIC_L1S 420 1.2.2.2 lukem if (get_bootconf_option(args, "maxproc", BOOTOPT_TYPE_INT, &integer)) { 421 1.2.2.2 lukem max_processes = integer; 422 1.2.2.2 lukem if (max_processes < 16) 423 1.2.2.2 lukem max_processes = 16; 424 1.2.2.2 lukem /* Limit is PDSIZE * (max_processes + 1) <= 4MB */ 425 1.2.2.2 lukem if (max_processes > 255) 426 1.2.2.2 lukem max_processes = 255; 427 1.2.2.2 lukem } 428 1.2.2.2 lukem #endif /* !PMAP_STATUC_L1S */ 429 1.2.2.7 jdolecek #if NMD > 0 && defined(MEMORY_DISK_HOOKS) && !defined(MEMORY_DISK_SIZE) 430 1.2.2.2 lukem if (get_bootconf_option(args, "memorydisc", BOOTOPT_TYPE_INT, &integer) 431 1.2.2.2 lukem || get_bootconf_option(args, "memorydisk", BOOTOPT_TYPE_INT, &integer)) { 432 1.2.2.2 lukem memory_disc_size = integer; 433 1.2.2.2 lukem memory_disc_size *= 1024; 434 1.2.2.2 lukem if (memory_disc_size < 32*1024) 435 1.2.2.2 lukem memory_disc_size = 32*1024; 436 1.2.2.2 lukem if (memory_disc_size > 2048*1024) 437 1.2.2.2 lukem memory_disc_size = 2048*1024; 438 1.2.2.2 lukem } 439 1.2.2.7 jdolecek #endif /* NMD && MEMORY_DISK_HOOKS && !MEMORY_DISK_SIZE */ 440 1.2.2.2 lukem 441 1.2.2.2 lukem if (get_bootconf_option(args, "quiet", BOOTOPT_TYPE_BOOLEAN, &integer) 442 1.2.2.2 lukem || get_bootconf_option(args, "-q", BOOTOPT_TYPE_BOOLEAN, &integer)) 443 1.2.2.2 lukem if (integer) 444 1.2.2.2 lukem boothowto |= AB_QUIET; 445 1.2.2.2 lukem if (get_bootconf_option(args, "verbose", BOOTOPT_TYPE_BOOLEAN, &integer) 446 1.2.2.2 lukem || get_bootconf_option(args, "-v", BOOTOPT_TYPE_BOOLEAN, &integer)) 447 1.2.2.2 lukem if (integer) 448 1.2.2.2 lukem boothowto |= AB_VERBOSE; 449 1.2.2.2 lukem } 450 1.2.2.2 lukem 451 1.2.2.2 lukem /* End of machdep.c */ 452
Indexes created Tue Oct 21 16:10:11 GMT 2025