1*b3cee53eSmartin /* $OpenBSD: machdep.c,v 1.106 2007/04/18 16:53:19 martin Exp $ */ 22a2685f2Sart /* $NetBSD: machdep.c,v 1.210 2000/06/01 17:12:38 thorpej Exp $ */ 3aed035abSart 4aed035abSart /*- 5aed035abSart * Copyright (c) 1998, 1999 The NetBSD Foundation, Inc. 6aed035abSart * All rights reserved. 7aed035abSart * 8aed035abSart * This code is derived from software contributed to The NetBSD Foundation 9aed035abSart * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 10aed035abSart * NASA Ames Research Center and by Chris G. Demetriou. 11aed035abSart * 12aed035abSart * Redistribution and use in source and binary forms, with or without 13aed035abSart * modification, are permitted provided that the following conditions 14aed035abSart * are met: 15aed035abSart * 1. Redistributions of source code must retain the above copyright 16aed035abSart * notice, this list of conditions and the following disclaimer. 17aed035abSart * 2. Redistributions in binary form must reproduce the above copyright 18aed035abSart * notice, this list of conditions and the following disclaimer in the 19aed035abSart * documentation and/or other materials provided with the distribution. 20aed035abSart * 3. All advertising materials mentioning features or use of this software 21aed035abSart * must display the following acknowledgement: 22aed035abSart * This product includes software developed by the NetBSD 23aed035abSart * Foundation, Inc. and its contributors. 24aed035abSart * 4. Neither the name of The NetBSD Foundation nor the names of its 25aed035abSart * contributors may be used to endorse or promote products derived 26aed035abSart * from this software without specific prior written permission. 27aed035abSart * 28aed035abSart * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 29aed035abSart * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 30aed035abSart * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 31aed035abSart * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 32aed035abSart * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 33aed035abSart * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 34aed035abSart * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 35aed035abSart * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 36aed035abSart * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 37aed035abSart * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38aed035abSart * POSSIBILITY OF SUCH DAMAGE. 39aed035abSart */ 40df930be7Sderaadt 41df930be7Sderaadt /* 42417eba8cSderaadt * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University. 43df930be7Sderaadt * All rights reserved. 44df930be7Sderaadt * 45df930be7Sderaadt * Author: Chris G. Demetriou 46df930be7Sderaadt * 47df930be7Sderaadt * Permission to use, copy, modify and distribute this software and 48df930be7Sderaadt * its documentation is hereby granted, provided that both the copyright 49df930be7Sderaadt * notice and this permission notice appear in all copies of the 50df930be7Sderaadt * software, derivative works or modified versions, and any portions 51df930be7Sderaadt * thereof, and that both notices appear in supporting documentation. 52df930be7Sderaadt * 53df930be7Sderaadt * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 54df930be7Sderaadt * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 55df930be7Sderaadt * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 56df930be7Sderaadt * 57df930be7Sderaadt * Carnegie Mellon requests users of this software to return to 58df930be7Sderaadt * 59df930be7Sderaadt * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 60df930be7Sderaadt * School of Computer Science 61df930be7Sderaadt * Carnegie Mellon University 62df930be7Sderaadt * Pittsburgh PA 15213-3890 63df930be7Sderaadt * 64df930be7Sderaadt * any improvements or extensions that they make and grant Carnegie the 65df930be7Sderaadt * rights to redistribute these changes. 66df930be7Sderaadt */ 67df930be7Sderaadt 68df930be7Sderaadt #include <sys/param.h> 69df930be7Sderaadt #include <sys/systm.h> 70df930be7Sderaadt #include <sys/signalvar.h> 71df930be7Sderaadt #include <sys/kernel.h> 72df930be7Sderaadt #include <sys/proc.h> 732a2685f2Sart #include <sys/sched.h> 74df930be7Sderaadt #include <sys/buf.h> 75df930be7Sderaadt #include <sys/reboot.h> 76417eba8cSderaadt #include <sys/device.h> 77df930be7Sderaadt #include <sys/conf.h> 78df930be7Sderaadt #include <sys/file.h> 79d66eba84Sart #include <sys/timeout.h> 80df930be7Sderaadt #include <sys/malloc.h> 81df930be7Sderaadt #include <sys/mbuf.h> 82df930be7Sderaadt #include <sys/msgbuf.h> 83df930be7Sderaadt #include <sys/ioctl.h> 84df930be7Sderaadt #include <sys/tty.h> 85df930be7Sderaadt #include <sys/user.h> 86df930be7Sderaadt #include <sys/exec.h> 87df930be7Sderaadt #include <sys/exec_ecoff.h> 88489e49f9Smiod #include <uvm/uvm_extern.h> 89df930be7Sderaadt #include <sys/sysctl.h> 9050ce9ee0Sniklas #include <sys/core.h> 9150ce9ee0Sniklas #include <sys/kcore.h> 9250ce9ee0Sniklas #include <machine/kcore.h> 93433075b6Spvalchev #ifndef NO_IEEE 94433075b6Spvalchev #include <machine/fpu.h> 95433075b6Spvalchev #endif 96df930be7Sderaadt #ifdef SYSVMSG 97df930be7Sderaadt #include <sys/msg.h> 98df930be7Sderaadt #endif 99df930be7Sderaadt 100df930be7Sderaadt #include <sys/mount.h> 101df930be7Sderaadt #include <sys/syscallargs.h> 102df930be7Sderaadt 103df930be7Sderaadt #include <dev/cons.h> 104df930be7Sderaadt 10550ce9ee0Sniklas #include <machine/autoconf.h> 106df930be7Sderaadt #include <machine/cpu.h> 107df930be7Sderaadt #include <machine/reg.h> 108df930be7Sderaadt #include <machine/rpb.h> 109df930be7Sderaadt #include <machine/prom.h> 1103a630e3fSniklas #include <machine/cpuconf.h> 111433075b6Spvalchev #ifndef NO_IEEE 112433075b6Spvalchev #include <machine/ieeefp.h> 113433075b6Spvalchev #endif 114df930be7Sderaadt 11545e5a1a0Sart #include <dev/pci/pcivar.h> 11645e5a1a0Sart 11712f8bbedSniklas #ifdef DDB 11812f8bbedSniklas #include <machine/db_machdep.h> 11912f8bbedSniklas #include <ddb/db_access.h> 12012f8bbedSniklas #include <ddb/db_sym.h> 12112f8bbedSniklas #include <ddb/db_extern.h> 12212f8bbedSniklas #endif 12312f8bbedSniklas 124c4071fd1Smillert int cpu_dump(void); 125c4071fd1Smillert int cpu_dumpsize(void); 126c4071fd1Smillert u_long cpu_dump_mempagecnt(void); 127c4071fd1Smillert void dumpsys(void); 128c4071fd1Smillert caddr_t allocsys(caddr_t); 129c4071fd1Smillert void identifycpu(void); 130c4071fd1Smillert void regdump(struct trapframe *framep); 131c4071fd1Smillert void printregs(struct reg *); 132df930be7Sderaadt 133df930be7Sderaadt /* 134df930be7Sderaadt * Declare these as initialized data so we can patch them. 135df930be7Sderaadt */ 136df930be7Sderaadt #ifdef NBUF 137df930be7Sderaadt int nbuf = NBUF; 138df930be7Sderaadt #else 139df930be7Sderaadt int nbuf = 0; 140df930be7Sderaadt #endif 14160535ec9Smaja 14260535ec9Smaja #ifndef BUFCACHEPERCENT 14360535ec9Smaja #define BUFCACHEPERCENT 10 14460535ec9Smaja #endif 14560535ec9Smaja 146df930be7Sderaadt #ifdef BUFPAGES 147df930be7Sderaadt int bufpages = BUFPAGES; 148df930be7Sderaadt #else 149df930be7Sderaadt int bufpages = 0; 150df930be7Sderaadt #endif 15160535ec9Smaja int bufcachepercent = BUFCACHEPERCENT; 152aed035abSart 153ab8e80c5Sart struct vm_map *exec_map = NULL; 154ab8e80c5Sart struct vm_map *phys_map = NULL; 155aed035abSart 15627626149Smatthieu #ifdef APERTURE 15727626149Smatthieu #ifdef INSECURE 15827626149Smatthieu int allowaperture = 1; 15927626149Smatthieu #else 16027626149Smatthieu int allowaperture = 0; 16127626149Smatthieu #endif 16227626149Smatthieu #endif 16327626149Smatthieu 164df930be7Sderaadt int totalphysmem; /* total amount of physical memory in system */ 16574652a67Sniklas int physmem; /* physical mem used by OpenBSD + some rsvd */ 166df930be7Sderaadt int resvmem; /* amount of memory reserved for PROM */ 167df930be7Sderaadt int unusedmem; /* amount of memory for OS that we don't use */ 168df930be7Sderaadt int unknownmem; /* amount of memory with an unknown use */ 169df930be7Sderaadt 170df930be7Sderaadt int cputype; /* system type, from the RPB */ 1712586fa93Smiod int alpha_cpus; 172df930be7Sderaadt 1732a2685f2Sart int bootdev_debug = 0; /* patchable, or from DDB */ 1742a2685f2Sart 175df930be7Sderaadt /* 176df930be7Sderaadt * XXX We need an address to which we can assign things so that they 177df930be7Sderaadt * won't be optimized away because we didn't use the value. 178df930be7Sderaadt */ 179df930be7Sderaadt u_int32_t no_optimize; 180df930be7Sderaadt 181df930be7Sderaadt /* the following is used externally (sysctl_hw) */ 182aed035abSart char machine[] = MACHINE; /* from <machine/param.h> */ 183417eba8cSderaadt char cpu_model[128]; 184aed035abSart char root_device[17]; 185df930be7Sderaadt 186df930be7Sderaadt struct user *proc0paddr; 187df930be7Sderaadt 188df930be7Sderaadt /* Number of machine cycles per microsecond */ 189df930be7Sderaadt u_int64_t cycles_per_usec; 190df930be7Sderaadt 191aed035abSart struct bootinfo_kernel bootinfo; 192aed035abSart 193aed035abSart /* For built-in TCDS */ 194aed035abSart #if defined(DEC_3000_300) || defined(DEC_3000_500) 195aed035abSart u_int8_t dec_3000_scsiid[2], dec_3000_scsifast[2]; 196aed035abSart #endif 197aed035abSart 198aed035abSart struct platform platform; 199417eba8cSderaadt 200417eba8cSderaadt /* for cpu_sysctl() */ 20150ce9ee0Sniklas int alpha_unaligned_print = 1; /* warn about unaligned accesses */ 20250ce9ee0Sniklas int alpha_unaligned_fix = 1; /* fix up unaligned accesses */ 203881c1eabSart int alpha_unaligned_sigbus = 1; /* SIGBUS on fixed-up accesses */ 204433075b6Spvalchev #ifndef NO_IEEE 205433075b6Spvalchev int alpha_fp_sync_complete = 0; /* fp fixup if sync even without /s */ 206433075b6Spvalchev #endif 20750ce9ee0Sniklas 208*b3cee53eSmartin /* used by hw_sysctl */ 209*b3cee53eSmartin extern char *hw_serial; 210*b3cee53eSmartin 211aed035abSart /* 212aed035abSart * XXX This should be dynamically sized, but we have the chicken-egg problem! 213aed035abSart * XXX it should also be larger than it is, because not all of the mddt 214aed035abSart * XXX clusters end up being used for VM. 215aed035abSart */ 216aed035abSart phys_ram_seg_t mem_clusters[VM_PHYSSEG_MAX]; /* low size bits overloaded */ 217aed035abSart int mem_cluster_cnt; 218aed035abSart 2193a630e3fSniklas void 220aed035abSart alpha_init(pfn, ptb, bim, bip, biv) 221df930be7Sderaadt u_long pfn; /* first free PFN number */ 222df930be7Sderaadt u_long ptb; /* PFN of current level 1 page table */ 223aed035abSart u_long bim; /* bootinfo magic */ 224aed035abSart u_long bip; /* bootinfo pointer */ 225aed035abSart u_long biv; /* bootinfo version */ 226df930be7Sderaadt { 227aed035abSart extern char kernel_text[], _end[]; 228df930be7Sderaadt struct mddt *mddtp; 229aed035abSart struct mddt_cluster *memc; 230df930be7Sderaadt int i, mddtweird; 231aed035abSart struct vm_physseg *vps; 232aed035abSart vaddr_t kernstart, kernend; 233aed035abSart paddr_t kernstartpfn, kernendpfn, pfn0, pfn1; 234aed035abSart vsize_t size; 235df930be7Sderaadt char *p; 236aed035abSart caddr_t v; 2372a2685f2Sart const char *bootinfo_msg; 238aed035abSart const struct cpuinit *c; 239aed035abSart extern caddr_t esym; 240aed035abSart struct cpu_info *ci; 241aed035abSart cpuid_t cpu_id; 242df930be7Sderaadt 243aed035abSart /* NO OUTPUT ALLOWED UNTIL FURTHER NOTICE */ 244f3914c62Sniklas 245df930be7Sderaadt /* 246aed035abSart * Turn off interrupts (not mchecks) and floating point. 247df930be7Sderaadt * Make sure the instruction and data streams are consistent. 248df930be7Sderaadt */ 249aed035abSart (void)alpha_pal_swpipl(ALPHA_PSL_IPL_HIGH); 25050ce9ee0Sniklas alpha_pal_wrfen(0); 25150ce9ee0Sniklas ALPHA_TBIA(); 25250ce9ee0Sniklas alpha_pal_imb(); 253df930be7Sderaadt 254c62181b1Sbrad /* Initialize the SCB. */ 255c62181b1Sbrad scb_init(); 256c62181b1Sbrad 257aed035abSart cpu_id = cpu_number(); 258aed035abSart 259aed035abSart #if defined(MULTIPROCESSOR) 260df930be7Sderaadt /* 261aed035abSart * Set our SysValue to the address of our cpu_info structure. 262aed035abSart * Secondary processors do this in their spinup trampoline. 263df930be7Sderaadt */ 264aed035abSart alpha_pal_wrval((u_long)&cpu_info[cpu_id]); 265aed035abSart #endif 266aed035abSart 267aed035abSart ci = curcpu(); 268aed035abSart ci->ci_cpuid = cpu_id; 269aed035abSart 270aed035abSart /* 271aed035abSart * Get critical system information (if possible, from the 272aed035abSart * information provided by the boot program). 273aed035abSart */ 274aed035abSart bootinfo_msg = NULL; 275aed035abSart if (bim == BOOTINFO_MAGIC) { 276aed035abSart if (biv == 0) { /* backward compat */ 277aed035abSart biv = *(u_long *)bip; 278aed035abSart bip += 8; 279aed035abSart } 280aed035abSart switch (biv) { 281aed035abSart case 1: { 282aed035abSart struct bootinfo_v1 *v1p = (struct bootinfo_v1 *)bip; 283aed035abSart 284aed035abSart bootinfo.ssym = v1p->ssym; 285aed035abSart bootinfo.esym = v1p->esym; 286aed035abSart /* hwrpb may not be provided by boot block in v1 */ 287aed035abSart if (v1p->hwrpb != NULL) { 288aed035abSart bootinfo.hwrpb_phys = 289aed035abSart ((struct rpb *)v1p->hwrpb)->rpb_phys; 290aed035abSart bootinfo.hwrpb_size = v1p->hwrpbsize; 291aed035abSart } else { 292aed035abSart bootinfo.hwrpb_phys = 293aed035abSart ((struct rpb *)HWRPB_ADDR)->rpb_phys; 294aed035abSart bootinfo.hwrpb_size = 295aed035abSart ((struct rpb *)HWRPB_ADDR)->rpb_size; 296aed035abSart } 297aed035abSart bcopy(v1p->boot_flags, bootinfo.boot_flags, 298aed035abSart min(sizeof v1p->boot_flags, 299aed035abSart sizeof bootinfo.boot_flags)); 300aed035abSart bcopy(v1p->booted_kernel, bootinfo.booted_kernel, 301aed035abSart min(sizeof v1p->booted_kernel, 302aed035abSart sizeof bootinfo.booted_kernel)); 303aed035abSart /* booted dev not provided in bootinfo */ 304aed035abSart init_prom_interface((struct rpb *) 305aed035abSart ALPHA_PHYS_TO_K0SEG(bootinfo.hwrpb_phys)); 306aed035abSart prom_getenv(PROM_E_BOOTED_DEV, bootinfo.booted_dev, 307aed035abSart sizeof bootinfo.booted_dev); 308aed035abSart break; 309aed035abSart } 310aed035abSart default: 311aed035abSart bootinfo_msg = "unknown bootinfo version"; 312aed035abSart goto nobootinfo; 313aed035abSart } 314aed035abSart } else { 315aed035abSart bootinfo_msg = "boot program did not pass bootinfo"; 316aed035abSart nobootinfo: 317aed035abSart bootinfo.ssym = (u_long)_end; 318aed035abSart bootinfo.esym = (u_long)_end; 319aed035abSart bootinfo.hwrpb_phys = ((struct rpb *)HWRPB_ADDR)->rpb_phys; 320aed035abSart bootinfo.hwrpb_size = ((struct rpb *)HWRPB_ADDR)->rpb_size; 321aed035abSart init_prom_interface((struct rpb *)HWRPB_ADDR); 322aed035abSart prom_getenv(PROM_E_BOOTED_OSFLAGS, bootinfo.boot_flags, 323aed035abSart sizeof bootinfo.boot_flags); 324aed035abSart prom_getenv(PROM_E_BOOTED_FILE, bootinfo.booted_kernel, 325aed035abSart sizeof bootinfo.booted_kernel); 326aed035abSart prom_getenv(PROM_E_BOOTED_DEV, bootinfo.booted_dev, 327aed035abSart sizeof bootinfo.booted_dev); 328aed035abSart } 329aed035abSart 330aed035abSart esym = (caddr_t)bootinfo.esym; 331aed035abSart /* 332aed035abSart * Initialize the kernel's mapping of the RPB. It's needed for 333aed035abSart * lots of things. 334aed035abSart */ 335aed035abSart hwrpb = (struct rpb *)ALPHA_PHYS_TO_K0SEG(bootinfo.hwrpb_phys); 336aed035abSart 337aed035abSart #if defined(DEC_3000_300) || defined(DEC_3000_500) 338aed035abSart if (hwrpb->rpb_type == ST_DEC_3000_300 || 339aed035abSart hwrpb->rpb_type == ST_DEC_3000_500) { 340aed035abSart prom_getenv(PROM_E_SCSIID, dec_3000_scsiid, 341aed035abSart sizeof(dec_3000_scsiid)); 342aed035abSart prom_getenv(PROM_E_SCSIFAST, dec_3000_scsifast, 343aed035abSart sizeof(dec_3000_scsifast)); 344aed035abSart } 345aed035abSart #endif 346df930be7Sderaadt 347df930be7Sderaadt /* 348df930be7Sderaadt * Remember how many cycles there are per microsecond, 349df930be7Sderaadt * so that we can use delay(). Round up, for safety. 350df930be7Sderaadt */ 351df930be7Sderaadt cycles_per_usec = (hwrpb->rpb_cc_freq + 999999) / 1000000; 352df930be7Sderaadt 353df930be7Sderaadt /* 3549e71c994Saaron * Initialize the (temporary) bootstrap console interface, so 355aed035abSart * we can use printf until the VM system starts being setup. 356aed035abSart * The real console is initialized before then. 357df930be7Sderaadt */ 358aed035abSart init_bootstrap_console(); 359aed035abSart 360aed035abSart /* OUTPUT NOW ALLOWED */ 361aed035abSart 362aed035abSart /* delayed from above */ 363aed035abSart if (bootinfo_msg) 364aed035abSart printf("WARNING: %s (0x%lx, 0x%lx, 0x%lx)\n", 365aed035abSart bootinfo_msg, bim, bip, biv); 366aed035abSart 367aed035abSart /* Initialize the trap vectors on the primary processor. */ 368aed035abSart trap_init(); 369df930be7Sderaadt 370df930be7Sderaadt /* 371aed035abSart * Find out what hardware we're on, and do basic initialization. 372df930be7Sderaadt */ 373aed035abSart cputype = hwrpb->rpb_type; 374aed035abSart if (cputype < 0) { 375aed035abSart /* 376aed035abSart * At least some white-box systems have SRM which 377aed035abSart * reports a systype that's the negative of their 378aed035abSart * blue-box counterpart. 379aed035abSart */ 380aed035abSart cputype = -cputype; 381aed035abSart } 382aed035abSart c = platform_lookup(cputype); 383aed035abSart if (c == NULL) { 384aed035abSart platform_not_supported(); 385aed035abSart /* NOTREACHED */ 386aed035abSart } 387aed035abSart (*c->init)(); 388094fa01fSderaadt strlcpy(cpu_model, platform.model, sizeof cpu_model); 38950ce9ee0Sniklas 39050ce9ee0Sniklas /* 3919e71c994Saaron * Initialize the real console, so that the bootstrap console is 392aed035abSart * no longer necessary. 39350ce9ee0Sniklas */ 394aed035abSart (*platform.cons_init)(); 395aed035abSart 396a55851f4Sderaadt #if 0 397aed035abSart /* Paranoid sanity checking */ 398aed035abSart 399aed035abSart assert(hwrpb->rpb_primary_cpu_id == alpha_pal_whami()); 400aed035abSart 401aed035abSart /* 402aed035abSart * On single-CPU systypes, the primary should always be CPU 0, 403aed035abSart * except on Alpha 8200 systems where the CPU id is related 404aed035abSart * to the VID, which is related to the Turbo Laser node id. 405aed035abSart */ 406aed035abSart if (cputype != ST_DEC_21000) 407aed035abSart assert(hwrpb->rpb_primary_cpu_id == 0); 408aed035abSart #endif 409aed035abSart 410aed035abSart /* NO MORE FIRMWARE ACCESS ALLOWED */ 411aed035abSart #ifdef _PMAP_MAY_USE_PROM_CONSOLE 412aed035abSart /* 413aed035abSart * XXX (unless _PMAP_MAY_USE_PROM_CONSOLE is defined and 414aed035abSart * XXX pmap_uses_prom_console() evaluates to non-zero.) 415aed035abSart */ 416aed035abSart #endif 417aed035abSart 418cfcdef40Smiod #ifndef SMALL_KERNEL 419cfcdef40Smiod /* 420cfcdef40Smiod * If we run on a BWX-capable processor, override cpu_switch 421cfcdef40Smiod * with a faster version. 422cfcdef40Smiod * We do this now because the kernel text might be mapped 423cfcdef40Smiod * read-only eventually (although this is not the case at the moment). 424cfcdef40Smiod */ 425cfcdef40Smiod if (alpha_implver() >= ALPHA_IMPLVER_EV5) { 426cfcdef40Smiod if (~alpha_amask(ALPHA_AMASK_BWX) != 0) { 427cfcdef40Smiod extern vaddr_t __bwx_switch0, __bwx_switch1, 428cfcdef40Smiod __bwx_switch2, __bwx_switch3; 429cfcdef40Smiod u_int32_t *dst, *src, *end; 430cfcdef40Smiod 431cfcdef40Smiod src = (u_int32_t *)&__bwx_switch2; 432cfcdef40Smiod end = (u_int32_t *)&__bwx_switch3; 433cfcdef40Smiod dst = (u_int32_t *)&__bwx_switch0; 434cfcdef40Smiod while (src != end) 435cfcdef40Smiod *dst++ = *src++; 436cfcdef40Smiod src = (u_int32_t *)&__bwx_switch1; 437cfcdef40Smiod end = (u_int32_t *)&__bwx_switch2; 438cfcdef40Smiod while (src != end) 439cfcdef40Smiod *dst++ = *src++; 440cfcdef40Smiod } 441cfcdef40Smiod } 442cfcdef40Smiod #endif 443cfcdef40Smiod 444aed035abSart /* 445aed035abSart * find out this system's page size 446aed035abSart */ 44773b9fe7cSart if ((uvmexp.pagesize = hwrpb->rpb_page_size) != 8192) 44873b9fe7cSart panic("page size %d != 8192?!", uvmexp.pagesize); 449aed035abSart 450aed035abSart uvm_setpagesize(); 451aed035abSart 452aed035abSart /* 453aed035abSart * Find the beginning and end of the kernel (and leave a 454aed035abSart * bit of space before the beginning for the bootstrap 455aed035abSart * stack). 456aed035abSart */ 457aed035abSart kernstart = trunc_page((vaddr_t)kernel_text) - 2 * PAGE_SIZE; 458aed035abSart kernend = (vaddr_t)round_page((vaddr_t)bootinfo.esym); 459aed035abSart 460aed035abSart kernstartpfn = atop(ALPHA_K0SEG_TO_PHYS(kernstart)); 461aed035abSart kernendpfn = atop(ALPHA_K0SEG_TO_PHYS(kernend)); 462df930be7Sderaadt 463df930be7Sderaadt /* 464df930be7Sderaadt * Find out how much memory is available, by looking at 465df930be7Sderaadt * the memory cluster descriptors. This also tries to do 466df930be7Sderaadt * its best to detect things things that have never been seen 467df930be7Sderaadt * before... 468df930be7Sderaadt */ 469df930be7Sderaadt mddtp = (struct mddt *)(((caddr_t)hwrpb) + hwrpb->rpb_memdat_off); 470df930be7Sderaadt 471aed035abSart /* MDDT SANITY CHECKING */ 472df930be7Sderaadt mddtweird = 0; 473aed035abSart if (mddtp->mddt_cluster_cnt < 2) { 474df930be7Sderaadt mddtweird = 1; 475aed035abSart printf("WARNING: weird number of mem clusters: %lu\n", 476aed035abSart mddtp->mddt_cluster_cnt); 477df930be7Sderaadt } 478df930be7Sderaadt 479aed035abSart #if 0 480aed035abSart printf("Memory cluster count: %d\n", mddtp->mddt_cluster_cnt); 481aed035abSart #endif 482df930be7Sderaadt 483aed035abSart for (i = 0; i < mddtp->mddt_cluster_cnt; i++) { 484aed035abSart memc = &mddtp->mddt_clusters[i]; 485aed035abSart #if 0 486aed035abSart printf("MEMC %d: pfn 0x%lx cnt 0x%lx usage 0x%lx\n", i, 487aed035abSart memc->mddt_pfn, memc->mddt_pg_cnt, memc->mddt_usage); 488aed035abSart #endif 489aed035abSart totalphysmem += memc->mddt_pg_cnt; 490aed035abSart if (mem_cluster_cnt < VM_PHYSSEG_MAX) { /* XXX */ 491aed035abSart mem_clusters[mem_cluster_cnt].start = 492aed035abSart ptoa(memc->mddt_pfn); 493aed035abSart mem_clusters[mem_cluster_cnt].size = 494aed035abSart ptoa(memc->mddt_pg_cnt); 495aed035abSart if (memc->mddt_usage & MDDT_mbz || 496aed035abSart memc->mddt_usage & MDDT_NONVOLATILE || /* XXX */ 497aed035abSart memc->mddt_usage & MDDT_PALCODE) 498aed035abSart mem_clusters[mem_cluster_cnt].size |= 499aed035abSart VM_PROT_READ; 500aed035abSart else 501aed035abSart mem_clusters[mem_cluster_cnt].size |= 502aed035abSart VM_PROT_READ | VM_PROT_WRITE | VM_PROT_EXECUTE; 503aed035abSart mem_cluster_cnt++; 504ee2d823aSmiod } /* XXX else print something! */ 505aed035abSart 506aed035abSart if (memc->mddt_usage & MDDT_mbz) { 507aed035abSart mddtweird = 1; 508aed035abSart printf("WARNING: mem cluster %d has weird " 509aed035abSart "usage 0x%lx\n", i, memc->mddt_usage); 510aed035abSart unknownmem += memc->mddt_pg_cnt; 511aed035abSart continue; 512aed035abSart } 513aed035abSart if (memc->mddt_usage & MDDT_NONVOLATILE) { 514aed035abSart /* XXX should handle these... */ 515aed035abSart printf("WARNING: skipping non-volatile mem " 516aed035abSart "cluster %d\n", i); 517aed035abSart unusedmem += memc->mddt_pg_cnt; 518aed035abSart continue; 519aed035abSart } 520aed035abSart if (memc->mddt_usage & MDDT_PALCODE) { 521aed035abSart resvmem += memc->mddt_pg_cnt; 522aed035abSart continue; 523aed035abSart } 524aed035abSart 525aed035abSart /* 526aed035abSart * We have a memory cluster available for system 527aed035abSart * software use. We must determine if this cluster 528aed035abSart * holds the kernel. 529aed035abSart */ 530aed035abSart #ifdef _PMAP_MAY_USE_PROM_CONSOLE 531aed035abSart /* 532aed035abSart * XXX If the kernel uses the PROM console, we only use the 533aed035abSart * XXX memory after the kernel in the first system segment, 534aed035abSart * XXX to avoid clobbering prom mapping, data, etc. 535aed035abSart */ 536aed035abSart if (!pmap_uses_prom_console() || physmem == 0) { 537aed035abSart #endif /* _PMAP_MAY_USE_PROM_CONSOLE */ 538aed035abSart physmem += memc->mddt_pg_cnt; 539aed035abSart pfn0 = memc->mddt_pfn; 540aed035abSart pfn1 = memc->mddt_pfn + memc->mddt_pg_cnt; 541aed035abSart if (pfn0 <= kernstartpfn && kernendpfn <= pfn1) { 542aed035abSart /* 543aed035abSart * Must compute the location of the kernel 544aed035abSart * within the segment. 545aed035abSart */ 546aed035abSart #if 0 547aed035abSart printf("Cluster %d contains kernel\n", i); 548aed035abSart #endif 549aed035abSart #ifdef _PMAP_MAY_USE_PROM_CONSOLE 550aed035abSart if (!pmap_uses_prom_console()) { 551aed035abSart #endif /* _PMAP_MAY_USE_PROM_CONSOLE */ 552aed035abSart if (pfn0 < kernstartpfn) { 553aed035abSart /* 554aed035abSart * There is a chunk before the kernel. 555aed035abSart */ 556aed035abSart #if 0 557aed035abSart printf("Loading chunk before kernel: " 558aed035abSart "0x%lx / 0x%lx\n", pfn0, kernstartpfn); 559aed035abSart #endif 560aed035abSart uvm_page_physload(pfn0, kernstartpfn, 561aed035abSart pfn0, kernstartpfn, VM_FREELIST_DEFAULT); 562aed035abSart } 563aed035abSart #ifdef _PMAP_MAY_USE_PROM_CONSOLE 564aed035abSart } 565aed035abSart #endif /* _PMAP_MAY_USE_PROM_CONSOLE */ 566aed035abSart if (kernendpfn < pfn1) { 567aed035abSart /* 568aed035abSart * There is a chunk after the kernel. 569aed035abSart */ 570aed035abSart #if 0 571aed035abSart printf("Loading chunk after kernel: " 572aed035abSart "0x%lx / 0x%lx\n", kernendpfn, pfn1); 573aed035abSart #endif 574aed035abSart uvm_page_physload(kernendpfn, pfn1, 575aed035abSart kernendpfn, pfn1, VM_FREELIST_DEFAULT); 576aed035abSart } 577aed035abSart } else { 578aed035abSart /* 579aed035abSart * Just load this cluster as one chunk. 580aed035abSart */ 581aed035abSart #if 0 582aed035abSart printf("Loading cluster %d: 0x%lx / 0x%lx\n", i, 583aed035abSart pfn0, pfn1); 584aed035abSart #endif 585aed035abSart uvm_page_physload(pfn0, pfn1, pfn0, pfn1, 586aed035abSart VM_FREELIST_DEFAULT); 587aed035abSart } 588aed035abSart #ifdef _PMAP_MAY_USE_PROM_CONSOLE 589aed035abSart } 590aed035abSart #endif /* _PMAP_MAY_USE_PROM_CONSOLE */ 591aed035abSart } 592aed035abSart 593a37778bcSderaadt #ifdef DEBUG 594aed035abSart /* 595aed035abSart * Dump out the MDDT if it looks odd... 596aed035abSart */ 597df930be7Sderaadt if (mddtweird) { 598df930be7Sderaadt printf("\n"); 599df930be7Sderaadt printf("complete memory cluster information:\n"); 600df930be7Sderaadt for (i = 0; i < mddtp->mddt_cluster_cnt; i++) { 601df930be7Sderaadt printf("mddt %d:\n", i); 602df930be7Sderaadt printf("\tpfn %lx\n", 603df930be7Sderaadt mddtp->mddt_clusters[i].mddt_pfn); 604df930be7Sderaadt printf("\tcnt %lx\n", 605df930be7Sderaadt mddtp->mddt_clusters[i].mddt_pg_cnt); 606df930be7Sderaadt printf("\ttest %lx\n", 607df930be7Sderaadt mddtp->mddt_clusters[i].mddt_pg_test); 608df930be7Sderaadt printf("\tbva %lx\n", 609df930be7Sderaadt mddtp->mddt_clusters[i].mddt_v_bitaddr); 610df930be7Sderaadt printf("\tbpa %lx\n", 611df930be7Sderaadt mddtp->mddt_clusters[i].mddt_p_bitaddr); 612df930be7Sderaadt printf("\tbcksum %lx\n", 613df930be7Sderaadt mddtp->mddt_clusters[i].mddt_bit_cksum); 614df930be7Sderaadt printf("\tusage %lx\n", 615df930be7Sderaadt mddtp->mddt_clusters[i].mddt_usage); 616df930be7Sderaadt } 617df930be7Sderaadt printf("\n"); 618df930be7Sderaadt } 619a37778bcSderaadt #endif 620df930be7Sderaadt 621df930be7Sderaadt if (totalphysmem == 0) 622df930be7Sderaadt panic("can't happen: system seems to have no memory!"); 623df930be7Sderaadt #if 0 624f46637d1Sderaadt printf("totalphysmem = %u\n", totalphysmem); 625f46637d1Sderaadt printf("physmem = %u\n", physmem); 626df930be7Sderaadt printf("resvmem = %d\n", resvmem); 627df930be7Sderaadt printf("unusedmem = %d\n", unusedmem); 628df930be7Sderaadt printf("unknownmem = %d\n", unknownmem); 629df930be7Sderaadt #endif 630df930be7Sderaadt 631df930be7Sderaadt /* 632aed035abSart * Initialize error message buffer (at end of core). 633df930be7Sderaadt */ 634aed035abSart { 635aed035abSart vsize_t sz = (vsize_t)round_page(MSGBUFSIZE); 636aed035abSart vsize_t reqsz = sz; 637df930be7Sderaadt 638aed035abSart vps = &vm_physmem[vm_nphysseg - 1]; 639e1da84e1Salex 640aed035abSart /* shrink so that it'll fit in the last segment */ 641aed035abSart if ((vps->avail_end - vps->avail_start) < atop(sz)) 642aed035abSart sz = ptoa(vps->avail_end - vps->avail_start); 643aed035abSart 644aed035abSart vps->end -= atop(sz); 645aed035abSart vps->avail_end -= atop(sz); 646aed035abSart initmsgbuf((caddr_t) ALPHA_PHYS_TO_K0SEG(ptoa(vps->end)), sz); 647aed035abSart 648aed035abSart /* Remove the last segment if it now has no pages. */ 649aed035abSart if (vps->start == vps->end) 650aed035abSart vm_nphysseg--; 651aed035abSart 652aed035abSart /* warn if the message buffer had to be shrunk */ 653aed035abSart if (sz != reqsz) 654aed035abSart printf("WARNING: %ld bytes not available for msgbuf " 655aed035abSart "in last cluster (%ld used)\n", reqsz, sz); 656aed035abSart 657aed035abSart } 658aed035abSart 659df930be7Sderaadt /* 660df930be7Sderaadt * Init mapping for u page(s) for proc 0 661df930be7Sderaadt */ 662aed035abSart proc0.p_addr = proc0paddr = 663aed035abSart (struct user *)pmap_steal_memory(UPAGES * PAGE_SIZE, NULL, NULL); 664df930be7Sderaadt 665df930be7Sderaadt /* 666aed035abSart * Allocate space for system data structures. These data structures 667aed035abSart * are allocated here instead of cpu_startup() because physical 668aed035abSart * memory is directly addressable. We don't have to map these into 669aed035abSart * virtual address space. 670df930be7Sderaadt */ 671aed035abSart size = (vsize_t)allocsys(NULL); 672aed035abSart v = (caddr_t)pmap_steal_memory(size, NULL, NULL); 673aed035abSart if ((allocsys(v) - v) != size) 674aed035abSart panic("alpha_init: table size inconsistency"); 675df930be7Sderaadt 676df930be7Sderaadt /* 677df930be7Sderaadt * Clear allocated memory. 678df930be7Sderaadt */ 679aed035abSart bzero(v, size); 680df930be7Sderaadt 681df930be7Sderaadt /* 682df930be7Sderaadt * Initialize the virtual memory system, and set the 683df930be7Sderaadt * page table base register in proc 0's PCB. 684df930be7Sderaadt */ 685aed035abSart pmap_bootstrap(ALPHA_PHYS_TO_K0SEG(ptb << PGSHIFT), 686aed035abSart hwrpb->rpb_max_asn, hwrpb->rpb_pcs_cnt); 687df930be7Sderaadt 688df930be7Sderaadt /* 689df930be7Sderaadt * Initialize the rest of proc 0's PCB, and cache its physical 690df930be7Sderaadt * address. 691df930be7Sderaadt */ 692df930be7Sderaadt proc0.p_md.md_pcbpaddr = 693aed035abSart (struct pcb *)ALPHA_K0SEG_TO_PHYS((vaddr_t)&proc0paddr->u_pcb); 694df930be7Sderaadt 695df930be7Sderaadt /* 696df930be7Sderaadt * Set the kernel sp, reserving space for an (empty) trapframe, 697df930be7Sderaadt * and make proc0's trapframe pointer point to it for sanity. 698df930be7Sderaadt */ 69950ce9ee0Sniklas proc0paddr->u_pcb.pcb_hw.apcb_ksp = 700df930be7Sderaadt (u_int64_t)proc0paddr + USPACE - sizeof(struct trapframe); 70174652a67Sniklas proc0.p_md.md_tf = 70274652a67Sniklas (struct trapframe *)proc0paddr->u_pcb.pcb_hw.apcb_ksp; 70350ce9ee0Sniklas 704aed035abSart /* 705aed035abSart * Initialize the primary CPU's idle PCB to proc0's. In a 706aed035abSart * MULTIPROCESSOR configuration, each CPU will later get 707aed035abSart * its own idle PCB when autoconfiguration runs. 708aed035abSart */ 709aed035abSart ci->ci_idle_pcb = &proc0paddr->u_pcb; 710aed035abSart ci->ci_idle_pcb_paddr = (u_long)proc0.p_md.md_pcbpaddr; 711df930be7Sderaadt 712df930be7Sderaadt /* 713df930be7Sderaadt * Look at arguments passed to us and compute boothowto. 714df930be7Sderaadt */ 715417eba8cSderaadt 716df930be7Sderaadt #ifdef KADB 717df930be7Sderaadt boothowto |= RB_KDB; 718df930be7Sderaadt #endif 719aed035abSart for (p = bootinfo.boot_flags; p && *p != '\0'; p++) { 720417eba8cSderaadt /* 721417eba8cSderaadt * Note that we'd really like to differentiate case here, 722417eba8cSderaadt * but the Alpha AXP Architecture Reference Manual 723417eba8cSderaadt * says that we shouldn't. 724417eba8cSderaadt */ 725df930be7Sderaadt switch (*p) { 726371c77f5Smartin case 'a': /* Ignore */ 727417eba8cSderaadt case 'A': 728df930be7Sderaadt break; 729df930be7Sderaadt 73012f8bbedSniklas case 'b': /* Enter DDB as soon as the console is initialised */ 73112f8bbedSniklas case 'B': 73212f8bbedSniklas boothowto |= RB_KDB; 73312f8bbedSniklas break; 73412f8bbedSniklas 73550ce9ee0Sniklas case 'c': /* enter user kernel configuration */ 73650ce9ee0Sniklas case 'C': 73750ce9ee0Sniklas boothowto |= RB_CONFIG; 73850ce9ee0Sniklas break; 73950ce9ee0Sniklas 74050ce9ee0Sniklas #ifdef DEBUG 74150ce9ee0Sniklas case 'd': /* crash dump immediately after autoconfig */ 74250ce9ee0Sniklas case 'D': 74350ce9ee0Sniklas boothowto |= RB_DUMP; 74450ce9ee0Sniklas break; 74550ce9ee0Sniklas #endif 74650ce9ee0Sniklas 74750ce9ee0Sniklas case 'h': /* always halt, never reboot */ 74850ce9ee0Sniklas case 'H': 74950ce9ee0Sniklas boothowto |= RB_HALT; 750df930be7Sderaadt break; 751df930be7Sderaadt 752417eba8cSderaadt #if 0 753417eba8cSderaadt case 'm': /* mini root present in memory */ 754417eba8cSderaadt case 'M': 755417eba8cSderaadt boothowto |= RB_MINIROOT; 756417eba8cSderaadt break; 757417eba8cSderaadt #endif 75850ce9ee0Sniklas 75950ce9ee0Sniklas case 'n': /* askname */ 76050ce9ee0Sniklas case 'N': 76150ce9ee0Sniklas boothowto |= RB_ASKNAME; 76250ce9ee0Sniklas break; 763aed035abSart 764371c77f5Smartin case 's': /* single-user */ 765aed035abSart case 'S': 766aed035abSart boothowto |= RB_SINGLE; 767aed035abSart break; 768aed035abSart 769aed035abSart case '-': 770aed035abSart /* 771aed035abSart * Just ignore this. It's not required, but it's 772aed035abSart * common for it to be passed regardless. 773aed035abSart */ 774aed035abSart break; 775aed035abSart 776aed035abSart default: 777aed035abSart printf("Unrecognized boot flag '%c'.\n", *p); 778aed035abSart break; 779df930be7Sderaadt } 780df930be7Sderaadt } 781df930be7Sderaadt 782aed035abSart 783df930be7Sderaadt /* 784df930be7Sderaadt * Figure out the number of cpus in the box, from RPB fields. 785df930be7Sderaadt * Really. We mean it. 786df930be7Sderaadt */ 7872586fa93Smiod for (alpha_cpus = 0, i = 0; i < hwrpb->rpb_pcs_cnt; i++) { 788df930be7Sderaadt struct pcs *pcsp; 789df930be7Sderaadt 790aed035abSart pcsp = LOCATE_PCS(hwrpb, i); 791df930be7Sderaadt if ((pcsp->pcs_flags & PCS_PP) != 0) 7922586fa93Smiod alpha_cpus++; 793df930be7Sderaadt } 794aed035abSart 795aed035abSart /* 796aed035abSart * Initialize debuggers, and break into them if appropriate. 797aed035abSart */ 798aed035abSart #ifdef DDB 799aed035abSart ddb_init(); 800aed035abSart 801aed035abSart if (boothowto & RB_KDB) 802aed035abSart Debugger(); 803aed035abSart #endif 804aed035abSart #ifdef KGDB 805aed035abSart if (boothowto & RB_KDB) 806aed035abSart kgdb_connect(0); 807aed035abSart #endif 808aed035abSart /* 809aed035abSart * Figure out our clock frequency, from RPB fields. 810aed035abSart */ 811aed035abSart hz = hwrpb->rpb_intr_freq >> 12; 812aed035abSart if (!(60 <= hz && hz <= 10240)) { 813aed035abSart hz = 1024; 814aed035abSart #ifdef DIAGNOSTIC 815aed035abSart printf("WARNING: unbelievable rpb_intr_freq: %ld (%d hz)\n", 816aed035abSart hwrpb->rpb_intr_freq, hz); 817aed035abSart #endif 818aed035abSart } 819aed035abSart } 820aed035abSart 821aed035abSart caddr_t 822aed035abSart allocsys(v) 823aed035abSart caddr_t v; 824aed035abSart { 825aed035abSart /* 826aed035abSart * Allocate space for system data structures. 827aed035abSart * The first available kernel virtual address is in "v". 828aed035abSart * As pages of kernel virtual memory are allocated, "v" is incremented. 829aed035abSart * 830aed035abSart * These data structures are allocated here instead of cpu_startup() 831aed035abSart * because physical memory is directly addressable. We don't have 832aed035abSart * to map these into virtual address space. 833aed035abSart */ 834aed035abSart #define valloc(name, type, num) \ 835aed035abSart (name) = (type *)v; v = (caddr_t)ALIGN((name)+(num)) 836aed035abSart 837aed035abSart #ifdef SYSVMSG 838aed035abSart valloc(msgpool, char, msginfo.msgmax); 839aed035abSart valloc(msgmaps, struct msgmap, msginfo.msgseg); 840aed035abSart valloc(msghdrs, struct msg, msginfo.msgtql); 841aed035abSart valloc(msqids, struct msqid_ds, msginfo.msgmni); 842aed035abSart #endif 843aed035abSart 844aed035abSart /* 845aed035abSart * Determine how many buffers to allocate. 846aed035abSart * We allocate 10% of memory for buffer space. Insure a 847aed035abSart * minimum of 16 buffers. 848aed035abSart */ 849aed035abSart if (bufpages == 0) 85060535ec9Smaja bufpages = (physmem / (100/bufcachepercent)); 851aed035abSart if (nbuf == 0) { 852aed035abSart nbuf = bufpages; 853aed035abSart if (nbuf < 16) 854aed035abSart nbuf = 16; 855aed035abSart } 856aed035abSart valloc(buf, struct buf, nbuf); 857aed035abSart 858aed035abSart #undef valloc 859aed035abSart 860aed035abSart return v; 861df930be7Sderaadt } 862df930be7Sderaadt 863417eba8cSderaadt void 864df930be7Sderaadt consinit() 865df930be7Sderaadt { 866aed035abSart 867aed035abSart /* 868aed035abSart * Everything related to console initialization is done 869aed035abSart * in alpha_init(). 870aed035abSart */ 871aed035abSart #if defined(DIAGNOSTIC) && defined(_PMAP_MAY_USE_PROM_CONSOLE) 872aed035abSart printf("consinit: %susing prom console\n", 873aed035abSart pmap_uses_prom_console() ? "" : "not "); 87412f8bbedSniklas #endif 875df930be7Sderaadt } 876df930be7Sderaadt 877417eba8cSderaadt void 878df930be7Sderaadt cpu_startup() 879df930be7Sderaadt { 880df930be7Sderaadt register unsigned i; 881df930be7Sderaadt int base, residual; 882aed035abSart vaddr_t minaddr, maxaddr; 883aed035abSart vsize_t size; 88450ce9ee0Sniklas #if defined(DEBUG) 885df930be7Sderaadt extern int pmapdebug; 886df930be7Sderaadt int opmapdebug = pmapdebug; 887df930be7Sderaadt 888df930be7Sderaadt pmapdebug = 0; 889df930be7Sderaadt #endif 890df930be7Sderaadt 891df930be7Sderaadt /* 892df930be7Sderaadt * Good {morning,afternoon,evening,night}. 893df930be7Sderaadt */ 894df930be7Sderaadt printf(version); 895df930be7Sderaadt identifycpu(); 896f46637d1Sderaadt printf("total memory = %ld (%ldK)\n", ptoa((u_long)totalphysmem), 897f46637d1Sderaadt ptoa((u_long)totalphysmem) / 1024); 898f46637d1Sderaadt printf("(%ld reserved for PROM, ", ptoa((u_long)resvmem)); 899f46637d1Sderaadt printf("%ld used by OpenBSD)\n", ptoa((u_long)physmem)); 900aed035abSart if (unusedmem) { 9013f4ce3b7Smiod printf("WARNING: unused memory = %ld (%ldK)\n", 902f46637d1Sderaadt ptoa((u_long)unusedmem), ptoa((u_long)unusedmem) / 1024); 903aed035abSart } 904aed035abSart if (unknownmem) { 9053f4ce3b7Smiod printf("WARNING: %ld (%ldK) of memory with unknown purpose\n", 906f46637d1Sderaadt ptoa((u_long)unknownmem), ptoa((u_long)unknownmem) / 1024); 907aed035abSart } 908df930be7Sderaadt 909df930be7Sderaadt /* 910df930be7Sderaadt * Allocate virtual address space for file I/O buffers. 911df930be7Sderaadt * Note they are different than the array of headers, 'buf', 912df930be7Sderaadt * and usually occupy more virtual memory than physical. 913df930be7Sderaadt */ 914df930be7Sderaadt size = MAXBSIZE * nbuf; 915aed035abSart if (uvm_map(kernel_map, (vaddr_t *) &buffers, round_page(size), 916198a4b3fSart NULL, UVM_UNKNOWN_OFFSET, 0, 917aed035abSart UVM_MAPFLAG(UVM_PROT_NONE, UVM_PROT_NONE, UVM_INH_NONE, 918738a5b4dSart UVM_ADV_NORMAL, 0))) 919aed035abSart panic("startup: cannot allocate VM for buffers"); 920df930be7Sderaadt base = bufpages / nbuf; 921df930be7Sderaadt residual = bufpages % nbuf; 922df930be7Sderaadt for (i = 0; i < nbuf; i++) { 923aed035abSart vsize_t curbufsize; 924aed035abSart vaddr_t curbuf; 925aed035abSart struct vm_page *pg; 926df930be7Sderaadt 927df930be7Sderaadt /* 928aed035abSart * Each buffer has MAXBSIZE bytes of VM space allocated. Of 929aed035abSart * that MAXBSIZE space, we allocate and map (base+1) pages 930aed035abSart * for the first "residual" buffers, and then we allocate 931aed035abSart * "base" pages for the rest. 932df930be7Sderaadt */ 933aed035abSart curbuf = (vaddr_t) buffers + (i * MAXBSIZE); 934194dd68bSbrad curbufsize = PAGE_SIZE * ((i < residual) ? (base+1) : base); 935aed035abSart 936aed035abSart while (curbufsize) { 937aed035abSart pg = uvm_pagealloc(NULL, 0, NULL, 0); 938aed035abSart if (pg == NULL) 939aed035abSart panic("cpu_startup: not enough memory for " 940aed035abSart "buffer cache"); 941aed035abSart pmap_kenter_pa(curbuf, VM_PAGE_TO_PHYS(pg), 942aed035abSart VM_PROT_READ|VM_PROT_WRITE); 943aed035abSart curbuf += PAGE_SIZE; 944aed035abSart curbufsize -= PAGE_SIZE; 945aed035abSart } 9460e5798cfSart pmap_update(pmap_kernel()); 947df930be7Sderaadt } 948df930be7Sderaadt /* 949df930be7Sderaadt * Allocate a submap for exec arguments. This map effectively 950df930be7Sderaadt * limits the number of processes exec'ing at any time. 951df930be7Sderaadt */ 9527c10a71dSdrahn minaddr = vm_map_min(kernel_map); 953aed035abSart exec_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr, 954aed035abSart 16 * NCARGS, VM_MAP_PAGEABLE, FALSE, NULL); 955df930be7Sderaadt 956df930be7Sderaadt /* 957df930be7Sderaadt * Allocate a submap for physio 958df930be7Sderaadt */ 959aed035abSart phys_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr, 960aed035abSart VM_PHYS_SIZE, 0, FALSE, NULL); 961df930be7Sderaadt 96250ce9ee0Sniklas #if defined(DEBUG) 963df930be7Sderaadt pmapdebug = opmapdebug; 964df930be7Sderaadt #endif 9653f4ce3b7Smiod printf("avail memory = %ld (%ldK)\n", (long)ptoa(uvmexp.free), 9663f4ce3b7Smiod (long)ptoa(uvmexp.free) / 1024); 967aed035abSart #if 0 968aed035abSart { 969aed035abSart extern u_long pmap_pages_stolen; 970aed035abSart 971aed035abSart printf("stolen memory for VM structures = %d\n", pmap_pages_stolen * PAGE_SIZE); 972aed035abSart } 973aed035abSart #endif 9743f4ce3b7Smiod printf("using %ld buffers containing %ld bytes (%ldK) of memory\n", 975194dd68bSbrad (long)nbuf, (long)bufpages * PAGE_SIZE, (long)bufpages * (PAGE_SIZE / 1024)); 976df930be7Sderaadt 977df930be7Sderaadt /* 978df930be7Sderaadt * Set up buffers, so they can be used to read disk labels. 979df930be7Sderaadt */ 980df930be7Sderaadt bufinit(); 981df930be7Sderaadt 982df930be7Sderaadt /* 983df930be7Sderaadt * Configure the system. 984df930be7Sderaadt */ 98541033391Sderaadt if (boothowto & RB_CONFIG) { 98641033391Sderaadt #ifdef BOOT_CONFIG 98741033391Sderaadt user_config(); 98841033391Sderaadt #else 98941033391Sderaadt printf("kernel does not support -c; continuing..\n"); 99041033391Sderaadt #endif 99141033391Sderaadt } 99250ce9ee0Sniklas 99350ce9ee0Sniklas /* 994aed035abSart * Set up the HWPCB so that it's safe to configure secondary 995aed035abSart * CPUs. 99650ce9ee0Sniklas */ 997aed035abSart hwrpb_primary_init(); 998aed035abSart } 999aed035abSart 1000aed035abSart /* 1001aed035abSart * Retrieve the platform name from the DSR. 1002aed035abSart */ 1003aed035abSart const char * 1004aed035abSart alpha_dsr_sysname() 1005aed035abSart { 1006aed035abSart struct dsrdb *dsr; 1007aed035abSart const char *sysname; 1008aed035abSart 1009aed035abSart /* 1010aed035abSart * DSR does not exist on early HWRPB versions. 1011aed035abSart */ 1012aed035abSart if (hwrpb->rpb_version < HWRPB_DSRDB_MINVERS) 1013aed035abSart return (NULL); 1014aed035abSart 1015aed035abSart dsr = (struct dsrdb *)(((caddr_t)hwrpb) + hwrpb->rpb_dsrdb_off); 1016aed035abSart sysname = (const char *)((caddr_t)dsr + (dsr->dsr_sysname_off + 1017aed035abSart sizeof(u_int64_t))); 1018aed035abSart return (sysname); 1019aed035abSart } 1020aed035abSart 1021aed035abSart /* 1022aed035abSart * Lookup the system specified system variation in the provided table, 1023aed035abSart * returning the model string on match. 1024aed035abSart */ 1025aed035abSart const char * 1026aed035abSart alpha_variation_name(variation, avtp) 1027aed035abSart u_int64_t variation; 1028aed035abSart const struct alpha_variation_table *avtp; 1029aed035abSart { 1030aed035abSart int i; 1031aed035abSart 1032aed035abSart for (i = 0; avtp[i].avt_model != NULL; i++) 1033aed035abSart if (avtp[i].avt_variation == variation) 1034aed035abSart return (avtp[i].avt_model); 1035aed035abSart return (NULL); 1036aed035abSart } 1037aed035abSart 1038aed035abSart /* 1039aed035abSart * Generate a default platform name based for unknown system variations. 1040aed035abSart */ 1041aed035abSart const char * 1042aed035abSart alpha_unknown_sysname() 1043aed035abSart { 1044aed035abSart static char s[128]; /* safe size */ 1045aed035abSart 1046d5eb2d9aSderaadt snprintf(s, sizeof s, "%s family, unknown model variation 0x%lx", 1047aed035abSart platform.family, hwrpb->rpb_variation & SV_ST_MASK); 1048aed035abSart return ((const char *)s); 1049df930be7Sderaadt } 1050df930be7Sderaadt 105150ce9ee0Sniklas void 1052df930be7Sderaadt identifycpu() 1053df930be7Sderaadt { 1054aed035abSart char *s; 1055*b3cee53eSmartin int slen; 1056df930be7Sderaadt 1057df930be7Sderaadt /* 1058df930be7Sderaadt * print out CPU identification information. 1059df930be7Sderaadt */ 1060aed035abSart printf("%s", cpu_model); 1061aed035abSart for(s = cpu_model; *s; ++s) 1062aed035abSart if(strncasecmp(s, "MHz", 3) == 0) 1063aed035abSart goto skipMHz; 1064aed035abSart printf(", %ldMHz", hwrpb->rpb_cc_freq / 1000000); 1065aed035abSart skipMHz: 1066*b3cee53eSmartin /* fill in hw_serial if a serial number is known */ 1067*b3cee53eSmartin slen = strlen(hwrpb->rpb_ssn) + 1; 1068*b3cee53eSmartin if (slen > 1) { 1069*b3cee53eSmartin hw_serial = malloc(slen, M_SYSCTL, M_NOWAIT); 1070*b3cee53eSmartin if (hw_serial) 1071*b3cee53eSmartin strlcpy(hw_serial, (char *)hwrpb->rpb_ssn, slen); 1072*b3cee53eSmartin } 1073*b3cee53eSmartin 1074aed035abSart printf("\n"); 107550ce9ee0Sniklas printf("%ld byte page size, %d processor%s.\n", 10762586fa93Smiod hwrpb->rpb_page_size, alpha_cpus, alpha_cpus == 1 ? "" : "s"); 1077df930be7Sderaadt #if 0 1078*b3cee53eSmartin /* this is not particularly useful! */ 1079df930be7Sderaadt printf("variation: 0x%lx, revision 0x%lx\n", 1080df930be7Sderaadt hwrpb->rpb_variation, *(long *)hwrpb->rpb_revision); 1081df930be7Sderaadt #endif 1082df930be7Sderaadt } 1083df930be7Sderaadt 1084df930be7Sderaadt int waittime = -1; 1085df930be7Sderaadt struct pcb dumppcb; 1086df930be7Sderaadt 1087417eba8cSderaadt void 1088aed035abSart boot(howto) 1089df930be7Sderaadt int howto; 1090df930be7Sderaadt { 1091aed035abSart #if defined(MULTIPROCESSOR) 1092aed035abSart #if 0 /* XXX See below. */ 1093aed035abSart u_long cpu_id; 1094aed035abSart #endif 1095aed035abSart #endif 1096aed035abSart 1097aed035abSart #if defined(MULTIPROCESSOR) 1098aed035abSart /* We must be running on the primary CPU. */ 1099aed035abSart if (alpha_pal_whami() != hwrpb->rpb_primary_cpu_id) 1100aed035abSart panic("cpu_reboot: not on primary CPU!"); 1101aed035abSart #endif 1102aed035abSart 1103df930be7Sderaadt /* If system is cold, just halt. */ 1104df930be7Sderaadt if (cold) { 1105c9ad5066Stom /* (Unless the user explicitly asked for reboot.) */ 1106c9ad5066Stom if ((howto & RB_USERREQ) == 0) 1107df930be7Sderaadt howto |= RB_HALT; 1108df930be7Sderaadt goto haltsys; 1109df930be7Sderaadt } 1110df930be7Sderaadt 111150ce9ee0Sniklas /* If "always halt" was specified as a boot flag, obey. */ 111250ce9ee0Sniklas if ((boothowto & RB_HALT) != 0) 111350ce9ee0Sniklas howto |= RB_HALT; 111450ce9ee0Sniklas 1115df930be7Sderaadt boothowto = howto; 1116df930be7Sderaadt if ((howto & RB_NOSYNC) == 0 && waittime < 0) { 1117df930be7Sderaadt waittime = 0; 1118df930be7Sderaadt vfs_shutdown(); 1119df930be7Sderaadt /* 1120df930be7Sderaadt * If we've been adjusting the clock, the todr 11212417125dSmiod * will be out of synch; adjust it now unless 11222417125dSmiod * the system has been sitting in ddb. 1123df930be7Sderaadt */ 11242417125dSmiod if ((howto & RB_TIMEBAD) == 0) { 1125df930be7Sderaadt resettodr(); 11262417125dSmiod } else { 11272417125dSmiod printf("WARNING: not updating battery clock\n"); 11282417125dSmiod } 1129df930be7Sderaadt } 1130df930be7Sderaadt 1131df930be7Sderaadt /* Disable interrupts. */ 1132df930be7Sderaadt splhigh(); 1133df930be7Sderaadt 1134df930be7Sderaadt /* If rebooting and a dump is requested do it. */ 113550ce9ee0Sniklas if (howto & RB_DUMP) 1136df930be7Sderaadt dumpsys(); 1137df930be7Sderaadt 113834fbf6deSderaadt haltsys: 113934fbf6deSderaadt 1140df930be7Sderaadt /* run any shutdown hooks */ 1141df930be7Sderaadt doshutdownhooks(); 1142df930be7Sderaadt 1143aed035abSart #if defined(MULTIPROCESSOR) 1144aed035abSart #if 0 /* XXX doesn't work when called from here?! */ 1145aed035abSart /* Kill off any secondary CPUs. */ 1146aed035abSart for (cpu_id = 0; cpu_id < hwrpb->rpb_pcs_cnt; cpu_id++) { 1147aed035abSart if (cpu_id == hwrpb->rpb_primary_cpu_id || 1148aed035abSart cpu_info[cpu_id].ci_softc == NULL) 1149aed035abSart continue; 1150aed035abSart cpu_halt_secondary(cpu_id); 1151aed035abSart } 1152aed035abSart #endif 1153aed035abSart #endif 1154aed035abSart 1155df930be7Sderaadt #ifdef BOOTKEY 1156df930be7Sderaadt printf("hit any key to %s...\n", howto & RB_HALT ? "halt" : "reboot"); 1157aed035abSart cnpollc(1); /* for proper keyboard command handling */ 1158df930be7Sderaadt cngetc(); 1159aed035abSart cnpollc(0); 1160df930be7Sderaadt printf("\n"); 1161df930be7Sderaadt #endif 1162df930be7Sderaadt 1163aed035abSart /* Finally, powerdown/halt/reboot the system. */ 1164aed035abSart if ((howto & RB_POWERDOWN) == RB_POWERDOWN && 1165aed035abSart platform.powerdown != NULL) { 1166aed035abSart (*platform.powerdown)(); 1167aed035abSart printf("WARNING: powerdown failed!\n"); 1168aed035abSart } 1169df930be7Sderaadt printf("%s\n\n", howto & RB_HALT ? "halted." : "rebooting..."); 1170df930be7Sderaadt prom_halt(howto & RB_HALT); 1171df930be7Sderaadt /*NOTREACHED*/ 1172df930be7Sderaadt } 1173df930be7Sderaadt 1174df930be7Sderaadt /* 1175df930be7Sderaadt * These variables are needed by /sbin/savecore 1176df930be7Sderaadt */ 1177df930be7Sderaadt u_long dumpmag = 0x8fca0101; /* magic number */ 1178df930be7Sderaadt int dumpsize = 0; /* pages */ 1179df930be7Sderaadt long dumplo = 0; /* blocks */ 1180df930be7Sderaadt 1181df930be7Sderaadt /* 118250ce9ee0Sniklas * cpu_dumpsize: calculate size of machine-dependent kernel core dump headers. 118350ce9ee0Sniklas */ 118450ce9ee0Sniklas int 118550ce9ee0Sniklas cpu_dumpsize() 118650ce9ee0Sniklas { 118750ce9ee0Sniklas int size; 118850ce9ee0Sniklas 1189aed035abSart size = ALIGN(sizeof(kcore_seg_t)) + ALIGN(sizeof(cpu_kcore_hdr_t)) + 1190aed035abSart ALIGN(mem_cluster_cnt * sizeof(phys_ram_seg_t)); 119150ce9ee0Sniklas if (roundup(size, dbtob(1)) != dbtob(1)) 119250ce9ee0Sniklas return -1; 119350ce9ee0Sniklas 119450ce9ee0Sniklas return (1); 119550ce9ee0Sniklas } 119650ce9ee0Sniklas 119750ce9ee0Sniklas /* 1198aed035abSart * cpu_dump_mempagecnt: calculate size of RAM (in pages) to be dumped. 1199aed035abSart */ 1200aed035abSart u_long 1201aed035abSart cpu_dump_mempagecnt() 1202aed035abSart { 1203aed035abSart u_long i, n; 1204aed035abSart 1205aed035abSart n = 0; 1206aed035abSart for (i = 0; i < mem_cluster_cnt; i++) 1207aed035abSart n += atop(mem_clusters[i].size); 1208aed035abSart return (n); 1209aed035abSart } 1210aed035abSart 1211aed035abSart /* 121250ce9ee0Sniklas * cpu_dump: dump machine-dependent kernel core dump headers. 121350ce9ee0Sniklas */ 121450ce9ee0Sniklas int 121550ce9ee0Sniklas cpu_dump() 121650ce9ee0Sniklas { 1217c4071fd1Smillert int (*dump)(dev_t, daddr_t, caddr_t, size_t); 1218aed035abSart char buf[dbtob(1)]; 121950ce9ee0Sniklas kcore_seg_t *segp; 122050ce9ee0Sniklas cpu_kcore_hdr_t *cpuhdrp; 1221aed035abSart phys_ram_seg_t *memsegp; 1222aed035abSart int i; 122350ce9ee0Sniklas 122450ce9ee0Sniklas dump = bdevsw[major(dumpdev)].d_dump; 122550ce9ee0Sniklas 1226aed035abSart bzero(buf, sizeof buf); 122750ce9ee0Sniklas segp = (kcore_seg_t *)buf; 1228aed035abSart cpuhdrp = (cpu_kcore_hdr_t *)&buf[ALIGN(sizeof(*segp))]; 1229aed035abSart memsegp = (phys_ram_seg_t *)&buf[ALIGN(sizeof(*segp)) + 1230aed035abSart ALIGN(sizeof(*cpuhdrp))]; 123150ce9ee0Sniklas 123250ce9ee0Sniklas /* 123350ce9ee0Sniklas * Generate a segment header. 123450ce9ee0Sniklas */ 123550ce9ee0Sniklas CORE_SETMAGIC(*segp, KCORE_MAGIC, MID_MACHINE, CORE_CPU); 123650ce9ee0Sniklas segp->c_size = dbtob(1) - ALIGN(sizeof(*segp)); 123750ce9ee0Sniklas 123850ce9ee0Sniklas /* 1239aed035abSart * Add the machine-dependent header info. 124050ce9ee0Sniklas */ 1241aed035abSart cpuhdrp->lev1map_pa = ALPHA_K0SEG_TO_PHYS((vaddr_t)kernel_lev1map); 124250ce9ee0Sniklas cpuhdrp->page_size = PAGE_SIZE; 1243aed035abSart cpuhdrp->nmemsegs = mem_cluster_cnt; 1244aed035abSart 1245aed035abSart /* 1246aed035abSart * Fill in the memory segment descriptors. 1247aed035abSart */ 1248aed035abSart for (i = 0; i < mem_cluster_cnt; i++) { 1249aed035abSart memsegp[i].start = mem_clusters[i].start; 1250aed035abSart memsegp[i].size = mem_clusters[i].size & ~PAGE_MASK; 1251aed035abSart } 125250ce9ee0Sniklas 125350ce9ee0Sniklas return (dump(dumpdev, dumplo, (caddr_t)buf, dbtob(1))); 125450ce9ee0Sniklas } 125550ce9ee0Sniklas 125650ce9ee0Sniklas /* 1257aed035abSart * This is called by main to set dumplo and dumpsize. 1258194dd68bSbrad * Dumps always skip the first PAGE_SIZE of disk space 1259df930be7Sderaadt * in case there might be a disk label stored there. 1260df930be7Sderaadt * If there is extra space, put dump at the end to 1261df930be7Sderaadt * reduce the chance that swapping trashes it. 1262df930be7Sderaadt */ 1263df930be7Sderaadt void 1264df930be7Sderaadt dumpconf() 1265df930be7Sderaadt { 126650ce9ee0Sniklas int nblks, dumpblks; /* size of dump area */ 1267df930be7Sderaadt int maj; 1268df930be7Sderaadt 1269df930be7Sderaadt if (dumpdev == NODEV) 127050ce9ee0Sniklas goto bad; 1271df930be7Sderaadt maj = major(dumpdev); 1272df930be7Sderaadt if (maj < 0 || maj >= nblkdev) 1273df930be7Sderaadt panic("dumpconf: bad dumpdev=0x%x", dumpdev); 1274df930be7Sderaadt if (bdevsw[maj].d_psize == NULL) 127550ce9ee0Sniklas goto bad; 1276df930be7Sderaadt nblks = (*bdevsw[maj].d_psize)(dumpdev); 1277df930be7Sderaadt if (nblks <= ctod(1)) 127850ce9ee0Sniklas goto bad; 127950ce9ee0Sniklas 128050ce9ee0Sniklas dumpblks = cpu_dumpsize(); 128150ce9ee0Sniklas if (dumpblks < 0) 128250ce9ee0Sniklas goto bad; 1283aed035abSart dumpblks += ctod(cpu_dump_mempagecnt()); 128450ce9ee0Sniklas 128550ce9ee0Sniklas /* If dump won't fit (incl. room for possible label), punt. */ 128650ce9ee0Sniklas if (dumpblks > (nblks - ctod(1))) 128750ce9ee0Sniklas goto bad; 128850ce9ee0Sniklas 128950ce9ee0Sniklas /* Put dump at end of partition */ 129050ce9ee0Sniklas dumplo = nblks - dumpblks; 129150ce9ee0Sniklas 129250ce9ee0Sniklas /* dumpsize is in page units, and doesn't include headers. */ 1293aed035abSart dumpsize = cpu_dump_mempagecnt(); 1294df930be7Sderaadt return; 1295df930be7Sderaadt 129650ce9ee0Sniklas bad: 129750ce9ee0Sniklas dumpsize = 0; 129850ce9ee0Sniklas return; 1299df930be7Sderaadt } 1300df930be7Sderaadt 1301df930be7Sderaadt /* 130250ce9ee0Sniklas * Dump the kernel's image to the swap partition. 1303df930be7Sderaadt */ 1304194dd68bSbrad #define BYTES_PER_DUMP PAGE_SIZE 130550ce9ee0Sniklas 1306df930be7Sderaadt void 1307df930be7Sderaadt dumpsys() 1308df930be7Sderaadt { 1309aed035abSart u_long totalbytesleft, bytes, i, n, memcl; 1310aed035abSart u_long maddr; 1311aed035abSart int psize; 131250ce9ee0Sniklas daddr_t blkno; 1313c4071fd1Smillert int (*dump)(dev_t, daddr_t, caddr_t, size_t); 131450ce9ee0Sniklas int error; 1315067cbd75Sderaadt extern int msgbufmapped; 1316df930be7Sderaadt 131750ce9ee0Sniklas /* Save registers. */ 131850ce9ee0Sniklas savectx(&dumppcb); 131950ce9ee0Sniklas 132050ce9ee0Sniklas msgbufmapped = 0; /* don't record dump msgs in msgbuf */ 1321df930be7Sderaadt if (dumpdev == NODEV) 1322df930be7Sderaadt return; 132350ce9ee0Sniklas 132450ce9ee0Sniklas /* 132550ce9ee0Sniklas * For dumps during autoconfiguration, 132650ce9ee0Sniklas * if dump device has already configured... 132750ce9ee0Sniklas */ 1328df930be7Sderaadt if (dumpsize == 0) 132950ce9ee0Sniklas dumpconf(); 133050ce9ee0Sniklas if (dumplo <= 0) { 1331aed035abSart printf("\ndump to dev %u,%u not possible\n", major(dumpdev), 1332aed035abSart minor(dumpdev)); 1333df930be7Sderaadt return; 1334df930be7Sderaadt } 1335aed035abSart printf("\ndumping to dev %u,%u offset %ld\n", major(dumpdev), 1336aed035abSart minor(dumpdev), dumplo); 1337df930be7Sderaadt 133850ce9ee0Sniklas psize = (*bdevsw[major(dumpdev)].d_psize)(dumpdev); 1339df930be7Sderaadt printf("dump "); 134050ce9ee0Sniklas if (psize == -1) { 134150ce9ee0Sniklas printf("area unavailable\n"); 134250ce9ee0Sniklas return; 134350ce9ee0Sniklas } 134450ce9ee0Sniklas 134550ce9ee0Sniklas /* XXX should purge all outstanding keystrokes. */ 134650ce9ee0Sniklas 134750ce9ee0Sniklas if ((error = cpu_dump()) != 0) 134850ce9ee0Sniklas goto err; 134950ce9ee0Sniklas 1350aed035abSart totalbytesleft = ptoa(cpu_dump_mempagecnt()); 135150ce9ee0Sniklas blkno = dumplo + cpu_dumpsize(); 135250ce9ee0Sniklas dump = bdevsw[major(dumpdev)].d_dump; 135350ce9ee0Sniklas error = 0; 1354aed035abSart 1355aed035abSart for (memcl = 0; memcl < mem_cluster_cnt; memcl++) { 1356aed035abSart maddr = mem_clusters[memcl].start; 1357aed035abSart bytes = mem_clusters[memcl].size & ~PAGE_MASK; 1358aed035abSart 1359aed035abSart for (i = 0; i < bytes; i += n, totalbytesleft -= n) { 136050ce9ee0Sniklas 136150ce9ee0Sniklas /* Print out how many MBs we to go. */ 1362aed035abSart if ((totalbytesleft % (1024*1024)) == 0) 1363aed035abSart printf("%ld ", totalbytesleft / (1024 * 1024)); 136450ce9ee0Sniklas 136550ce9ee0Sniklas /* Limit size for next transfer. */ 1366aed035abSart n = bytes - i; 136750ce9ee0Sniklas if (n > BYTES_PER_DUMP) 136850ce9ee0Sniklas n = BYTES_PER_DUMP; 136950ce9ee0Sniklas 137050ce9ee0Sniklas error = (*dump)(dumpdev, blkno, 137150ce9ee0Sniklas (caddr_t)ALPHA_PHYS_TO_K0SEG(maddr), n); 137250ce9ee0Sniklas if (error) 1373aed035abSart goto err; 137450ce9ee0Sniklas maddr += n; 137550ce9ee0Sniklas blkno += btodb(n); /* XXX? */ 137650ce9ee0Sniklas 137750ce9ee0Sniklas /* XXX should look for keystrokes, to cancel. */ 137850ce9ee0Sniklas } 1379aed035abSart } 138050ce9ee0Sniklas 138150ce9ee0Sniklas err: 138250ce9ee0Sniklas switch (error) { 1383a37778bcSderaadt #ifdef DEBUG 1384df930be7Sderaadt case ENXIO: 1385df930be7Sderaadt printf("device bad\n"); 1386df930be7Sderaadt break; 1387df930be7Sderaadt 1388df930be7Sderaadt case EFAULT: 1389df930be7Sderaadt printf("device not ready\n"); 1390df930be7Sderaadt break; 1391df930be7Sderaadt 1392df930be7Sderaadt case EINVAL: 1393df930be7Sderaadt printf("area improper\n"); 1394df930be7Sderaadt break; 1395df930be7Sderaadt 1396df930be7Sderaadt case EIO: 1397df930be7Sderaadt printf("i/o error\n"); 1398df930be7Sderaadt break; 1399df930be7Sderaadt 1400df930be7Sderaadt case EINTR: 1401df930be7Sderaadt printf("aborted from console\n"); 1402df930be7Sderaadt break; 1403a37778bcSderaadt #endif /* DEBUG */ 140450ce9ee0Sniklas case 0: 1405df930be7Sderaadt printf("succeeded\n"); 1406df930be7Sderaadt break; 140750ce9ee0Sniklas 140850ce9ee0Sniklas default: 140950ce9ee0Sniklas printf("error %d\n", error); 141050ce9ee0Sniklas break; 1411df930be7Sderaadt } 1412df930be7Sderaadt printf("\n\n"); 1413df930be7Sderaadt delay(1000); 1414df930be7Sderaadt } 1415df930be7Sderaadt 1416df930be7Sderaadt void 1417df930be7Sderaadt frametoreg(framep, regp) 1418df930be7Sderaadt struct trapframe *framep; 1419df930be7Sderaadt struct reg *regp; 1420df930be7Sderaadt { 1421df930be7Sderaadt 1422df930be7Sderaadt regp->r_regs[R_V0] = framep->tf_regs[FRAME_V0]; 1423df930be7Sderaadt regp->r_regs[R_T0] = framep->tf_regs[FRAME_T0]; 1424df930be7Sderaadt regp->r_regs[R_T1] = framep->tf_regs[FRAME_T1]; 1425df930be7Sderaadt regp->r_regs[R_T2] = framep->tf_regs[FRAME_T2]; 1426df930be7Sderaadt regp->r_regs[R_T3] = framep->tf_regs[FRAME_T3]; 1427df930be7Sderaadt regp->r_regs[R_T4] = framep->tf_regs[FRAME_T4]; 1428df930be7Sderaadt regp->r_regs[R_T5] = framep->tf_regs[FRAME_T5]; 1429df930be7Sderaadt regp->r_regs[R_T6] = framep->tf_regs[FRAME_T6]; 1430df930be7Sderaadt regp->r_regs[R_T7] = framep->tf_regs[FRAME_T7]; 1431df930be7Sderaadt regp->r_regs[R_S0] = framep->tf_regs[FRAME_S0]; 1432df930be7Sderaadt regp->r_regs[R_S1] = framep->tf_regs[FRAME_S1]; 1433df930be7Sderaadt regp->r_regs[R_S2] = framep->tf_regs[FRAME_S2]; 1434df930be7Sderaadt regp->r_regs[R_S3] = framep->tf_regs[FRAME_S3]; 1435df930be7Sderaadt regp->r_regs[R_S4] = framep->tf_regs[FRAME_S4]; 1436df930be7Sderaadt regp->r_regs[R_S5] = framep->tf_regs[FRAME_S5]; 1437df930be7Sderaadt regp->r_regs[R_S6] = framep->tf_regs[FRAME_S6]; 143850ce9ee0Sniklas regp->r_regs[R_A0] = framep->tf_regs[FRAME_A0]; 143950ce9ee0Sniklas regp->r_regs[R_A1] = framep->tf_regs[FRAME_A1]; 144050ce9ee0Sniklas regp->r_regs[R_A2] = framep->tf_regs[FRAME_A2]; 1441df930be7Sderaadt regp->r_regs[R_A3] = framep->tf_regs[FRAME_A3]; 1442df930be7Sderaadt regp->r_regs[R_A4] = framep->tf_regs[FRAME_A4]; 1443df930be7Sderaadt regp->r_regs[R_A5] = framep->tf_regs[FRAME_A5]; 1444df930be7Sderaadt regp->r_regs[R_T8] = framep->tf_regs[FRAME_T8]; 1445df930be7Sderaadt regp->r_regs[R_T9] = framep->tf_regs[FRAME_T9]; 1446df930be7Sderaadt regp->r_regs[R_T10] = framep->tf_regs[FRAME_T10]; 1447df930be7Sderaadt regp->r_regs[R_T11] = framep->tf_regs[FRAME_T11]; 1448df930be7Sderaadt regp->r_regs[R_RA] = framep->tf_regs[FRAME_RA]; 1449df930be7Sderaadt regp->r_regs[R_T12] = framep->tf_regs[FRAME_T12]; 1450df930be7Sderaadt regp->r_regs[R_AT] = framep->tf_regs[FRAME_AT]; 145150ce9ee0Sniklas regp->r_regs[R_GP] = framep->tf_regs[FRAME_GP]; 145250ce9ee0Sniklas /* regp->r_regs[R_SP] = framep->tf_regs[FRAME_SP]; XXX */ 1453df930be7Sderaadt regp->r_regs[R_ZERO] = 0; 1454df930be7Sderaadt } 1455df930be7Sderaadt 1456df930be7Sderaadt void 1457df930be7Sderaadt regtoframe(regp, framep) 1458df930be7Sderaadt struct reg *regp; 1459df930be7Sderaadt struct trapframe *framep; 1460df930be7Sderaadt { 1461df930be7Sderaadt 1462df930be7Sderaadt framep->tf_regs[FRAME_V0] = regp->r_regs[R_V0]; 1463df930be7Sderaadt framep->tf_regs[FRAME_T0] = regp->r_regs[R_T0]; 1464df930be7Sderaadt framep->tf_regs[FRAME_T1] = regp->r_regs[R_T1]; 1465df930be7Sderaadt framep->tf_regs[FRAME_T2] = regp->r_regs[R_T2]; 1466df930be7Sderaadt framep->tf_regs[FRAME_T3] = regp->r_regs[R_T3]; 1467df930be7Sderaadt framep->tf_regs[FRAME_T4] = regp->r_regs[R_T4]; 1468df930be7Sderaadt framep->tf_regs[FRAME_T5] = regp->r_regs[R_T5]; 1469df930be7Sderaadt framep->tf_regs[FRAME_T6] = regp->r_regs[R_T6]; 1470df930be7Sderaadt framep->tf_regs[FRAME_T7] = regp->r_regs[R_T7]; 1471df930be7Sderaadt framep->tf_regs[FRAME_S0] = regp->r_regs[R_S0]; 1472df930be7Sderaadt framep->tf_regs[FRAME_S1] = regp->r_regs[R_S1]; 1473df930be7Sderaadt framep->tf_regs[FRAME_S2] = regp->r_regs[R_S2]; 1474df930be7Sderaadt framep->tf_regs[FRAME_S3] = regp->r_regs[R_S3]; 1475df930be7Sderaadt framep->tf_regs[FRAME_S4] = regp->r_regs[R_S4]; 1476df930be7Sderaadt framep->tf_regs[FRAME_S5] = regp->r_regs[R_S5]; 1477df930be7Sderaadt framep->tf_regs[FRAME_S6] = regp->r_regs[R_S6]; 147850ce9ee0Sniklas framep->tf_regs[FRAME_A0] = regp->r_regs[R_A0]; 147950ce9ee0Sniklas framep->tf_regs[FRAME_A1] = regp->r_regs[R_A1]; 148050ce9ee0Sniklas framep->tf_regs[FRAME_A2] = regp->r_regs[R_A2]; 1481df930be7Sderaadt framep->tf_regs[FRAME_A3] = regp->r_regs[R_A3]; 1482df930be7Sderaadt framep->tf_regs[FRAME_A4] = regp->r_regs[R_A4]; 1483df930be7Sderaadt framep->tf_regs[FRAME_A5] = regp->r_regs[R_A5]; 1484df930be7Sderaadt framep->tf_regs[FRAME_T8] = regp->r_regs[R_T8]; 1485df930be7Sderaadt framep->tf_regs[FRAME_T9] = regp->r_regs[R_T9]; 1486df930be7Sderaadt framep->tf_regs[FRAME_T10] = regp->r_regs[R_T10]; 1487df930be7Sderaadt framep->tf_regs[FRAME_T11] = regp->r_regs[R_T11]; 1488df930be7Sderaadt framep->tf_regs[FRAME_RA] = regp->r_regs[R_RA]; 1489df930be7Sderaadt framep->tf_regs[FRAME_T12] = regp->r_regs[R_T12]; 1490df930be7Sderaadt framep->tf_regs[FRAME_AT] = regp->r_regs[R_AT]; 149150ce9ee0Sniklas framep->tf_regs[FRAME_GP] = regp->r_regs[R_GP]; 149250ce9ee0Sniklas /* framep->tf_regs[FRAME_SP] = regp->r_regs[R_SP]; XXX */ 1493df930be7Sderaadt /* ??? = regp->r_regs[R_ZERO]; */ 1494df930be7Sderaadt } 1495df930be7Sderaadt 1496df930be7Sderaadt void 1497df930be7Sderaadt printregs(regp) 1498df930be7Sderaadt struct reg *regp; 1499df930be7Sderaadt { 1500df930be7Sderaadt int i; 1501df930be7Sderaadt 1502df930be7Sderaadt for (i = 0; i < 32; i++) 1503df930be7Sderaadt printf("R%d:\t0x%016lx%s", i, regp->r_regs[i], 1504df930be7Sderaadt i & 1 ? "\n" : "\t"); 1505df930be7Sderaadt } 1506df930be7Sderaadt 1507df930be7Sderaadt void 1508df930be7Sderaadt regdump(framep) 1509df930be7Sderaadt struct trapframe *framep; 1510df930be7Sderaadt { 1511df930be7Sderaadt struct reg reg; 1512df930be7Sderaadt 1513df930be7Sderaadt frametoreg(framep, ®); 151450ce9ee0Sniklas reg.r_regs[R_SP] = alpha_pal_rdusp(); 151550ce9ee0Sniklas 1516df930be7Sderaadt printf("REGISTERS:\n"); 1517df930be7Sderaadt printregs(®); 1518df930be7Sderaadt } 1519df930be7Sderaadt 1520df930be7Sderaadt #ifdef DEBUG 1521df930be7Sderaadt int sigdebug = 0; 1522df930be7Sderaadt int sigpid = 0; 1523df930be7Sderaadt #define SDB_FOLLOW 0x01 1524df930be7Sderaadt #define SDB_KSTACK 0x02 1525df930be7Sderaadt #endif 1526df930be7Sderaadt 1527df930be7Sderaadt /* 1528df930be7Sderaadt * Send an interrupt to process. 1529df930be7Sderaadt */ 1530df930be7Sderaadt void 15315e1760a6Sderaadt sendsig(catcher, sig, mask, code, type, val) 1532df930be7Sderaadt sig_t catcher; 1533df930be7Sderaadt int sig, mask; 1534df930be7Sderaadt u_long code; 15355e1760a6Sderaadt int type; 15365e1760a6Sderaadt union sigval val; 1537df930be7Sderaadt { 1538df930be7Sderaadt struct proc *p = curproc; 1539df930be7Sderaadt struct sigcontext *scp, ksc; 1540df930be7Sderaadt struct trapframe *frame; 1541df930be7Sderaadt struct sigacts *psp = p->p_sigacts; 15422bf9c155Sderaadt int oonstack, fsize, rndfsize, kscsize; 15432bf9c155Sderaadt siginfo_t *sip, ksi; 1544df930be7Sderaadt 1545df930be7Sderaadt frame = p->p_md.md_tf; 1546df930be7Sderaadt oonstack = psp->ps_sigstk.ss_flags & SS_ONSTACK; 1547df930be7Sderaadt fsize = sizeof ksc; 1548df930be7Sderaadt rndfsize = ((fsize + 15) / 16) * 16; 15492bf9c155Sderaadt kscsize = rndfsize; 15502bf9c155Sderaadt if (psp->ps_siginfo & sigmask(sig)) { 15512bf9c155Sderaadt fsize += sizeof ksi; 15522bf9c155Sderaadt rndfsize = ((fsize + 15) / 16) * 16; 15532bf9c155Sderaadt } 155474652a67Sniklas 1555df930be7Sderaadt /* 1556df930be7Sderaadt * Allocate and validate space for the signal handler 1557df930be7Sderaadt * context. Note that if the stack is in P0 space, the 1558aed035abSart * call to uvm_grow() is a nop, and the useracc() check 1559df930be7Sderaadt * will fail if the process has not already allocated 1560df930be7Sderaadt * the space with a `brk'. 1561df930be7Sderaadt */ 1562df930be7Sderaadt if ((psp->ps_flags & SAS_ALTSTACK) && !oonstack && 1563df930be7Sderaadt (psp->ps_sigonstack & sigmask(sig))) { 15648bc2093aSderaadt scp = (struct sigcontext *)(psp->ps_sigstk.ss_sp + 1565df930be7Sderaadt psp->ps_sigstk.ss_size - rndfsize); 1566df930be7Sderaadt psp->ps_sigstk.ss_flags |= SS_ONSTACK; 1567df930be7Sderaadt } else 156850ce9ee0Sniklas scp = (struct sigcontext *)(alpha_pal_rdusp() - rndfsize); 1569df930be7Sderaadt if ((u_long)scp <= USRSTACK - ctob(p->p_vmspace->vm_ssize)) 1570aed035abSart (void)uvm_grow(p, (u_long)scp); 1571df930be7Sderaadt #ifdef DEBUG 1572df930be7Sderaadt if ((sigdebug & SDB_KSTACK) && p->p_pid == sigpid) 157350ce9ee0Sniklas printf("sendsig(%d): sig %d ssp %p usp %p\n", p->p_pid, 1574df930be7Sderaadt sig, &oonstack, scp); 1575df930be7Sderaadt #endif 1576df930be7Sderaadt 1577df930be7Sderaadt /* 1578df930be7Sderaadt * Build the signal context to be used by sigreturn. 1579df930be7Sderaadt */ 1580df930be7Sderaadt ksc.sc_onstack = oonstack; 1581df930be7Sderaadt ksc.sc_mask = mask; 158250ce9ee0Sniklas ksc.sc_pc = frame->tf_regs[FRAME_PC]; 158350ce9ee0Sniklas ksc.sc_ps = frame->tf_regs[FRAME_PS]; 1584df930be7Sderaadt 1585df930be7Sderaadt /* copy the registers. */ 1586df930be7Sderaadt frametoreg(frame, (struct reg *)ksc.sc_regs); 1587df930be7Sderaadt ksc.sc_regs[R_ZERO] = 0xACEDBADE; /* magic number */ 158850ce9ee0Sniklas ksc.sc_regs[R_SP] = alpha_pal_rdusp(); 1589df930be7Sderaadt 1590df930be7Sderaadt /* save the floating-point state, if necessary, then copy it. */ 1591433075b6Spvalchev if (p->p_addr->u_pcb.pcb_fpcpu != NULL) 1592433075b6Spvalchev fpusave_proc(p, 1); 1593df930be7Sderaadt ksc.sc_ownedfp = p->p_md.md_flags & MDP_FPUSED; 1594433075b6Spvalchev memcpy((struct fpreg *)ksc.sc_fpregs, &p->p_addr->u_pcb.pcb_fp, 1595df930be7Sderaadt sizeof(struct fpreg)); 1596433075b6Spvalchev #ifndef NO_IEEE 1597433075b6Spvalchev ksc.sc_fp_control = alpha_read_fp_c(p); 1598433075b6Spvalchev #else 1599433075b6Spvalchev ksc.sc_fp_control = 0; 1600433075b6Spvalchev #endif 1601433075b6Spvalchev memset(ksc.sc_reserved, 0, sizeof ksc.sc_reserved); /* XXX */ 1602433075b6Spvalchev memset(ksc.sc_xxx, 0, sizeof ksc.sc_xxx); /* XXX */ 1603df930be7Sderaadt 1604df930be7Sderaadt #ifdef COMPAT_OSF1 1605df930be7Sderaadt /* 1606df930be7Sderaadt * XXX Create an OSF/1-style sigcontext and associated goo. 1607df930be7Sderaadt */ 1608df930be7Sderaadt #endif 1609df930be7Sderaadt 16102bf9c155Sderaadt if (psp->ps_siginfo & sigmask(sig)) { 16112bf9c155Sderaadt initsiginfo(&ksi, sig, code, type, val); 16122bf9c155Sderaadt sip = (void *)scp + kscsize; 1613679ebc41Smiod if (copyout((caddr_t)&ksi, (caddr_t)sip, fsize - kscsize) != 0) 1614679ebc41Smiod goto trash; 1615aa540fb8Sart } else 1616aa540fb8Sart sip = NULL; 16172bf9c155Sderaadt 1618df930be7Sderaadt /* 1619df930be7Sderaadt * copy the frame out to userland. 1620df930be7Sderaadt */ 1621679ebc41Smiod if (copyout((caddr_t)&ksc, (caddr_t)scp, kscsize) != 0) { 1622679ebc41Smiod trash: 1623679ebc41Smiod #ifdef DEBUG 1624679ebc41Smiod if ((sigdebug & SDB_KSTACK) && p->p_pid == sigpid) 1625679ebc41Smiod printf("sendsig(%d): copyout failed on sig %d\n", 1626679ebc41Smiod p->p_pid, sig); 1627679ebc41Smiod #endif 1628679ebc41Smiod /* 1629679ebc41Smiod * Process has trashed its stack; give it an illegal 1630679ebc41Smiod * instruction to halt it in its tracks. 1631679ebc41Smiod */ 163286fd84b3Smiod sigexit(p, SIGILL); 163386fd84b3Smiod /* NOTREACHED */ 1634679ebc41Smiod } 1635df930be7Sderaadt #ifdef DEBUG 1636df930be7Sderaadt if (sigdebug & SDB_FOLLOW) 163750ce9ee0Sniklas printf("sendsig(%d): sig %d scp %p code %lx\n", p->p_pid, sig, 1638df930be7Sderaadt scp, code); 1639df930be7Sderaadt #endif 1640df930be7Sderaadt 1641df930be7Sderaadt /* 1642df930be7Sderaadt * Set up the registers to return to sigcode. 1643df930be7Sderaadt */ 16444a5480feSart frame->tf_regs[FRAME_PC] = p->p_sigcode; 164550ce9ee0Sniklas frame->tf_regs[FRAME_A0] = sig; 1646aa540fb8Sart frame->tf_regs[FRAME_A1] = (u_int64_t)sip; 164750ce9ee0Sniklas frame->tf_regs[FRAME_A2] = (u_int64_t)scp; 1648df930be7Sderaadt frame->tf_regs[FRAME_T12] = (u_int64_t)catcher; /* t12 is pv */ 164950ce9ee0Sniklas alpha_pal_wrusp((unsigned long)scp); 1650df930be7Sderaadt 1651df930be7Sderaadt #ifdef DEBUG 1652df930be7Sderaadt if (sigdebug & SDB_FOLLOW) 1653df930be7Sderaadt printf("sendsig(%d): pc %lx, catcher %lx\n", p->p_pid, 165450ce9ee0Sniklas frame->tf_regs[FRAME_PC], frame->tf_regs[FRAME_A3]); 1655df930be7Sderaadt if ((sigdebug & SDB_KSTACK) && p->p_pid == sigpid) 1656df930be7Sderaadt printf("sendsig(%d): sig %d returns\n", 1657df930be7Sderaadt p->p_pid, sig); 1658df930be7Sderaadt #endif 1659df930be7Sderaadt } 1660df930be7Sderaadt 1661df930be7Sderaadt /* 1662df930be7Sderaadt * System call to cleanup state after a signal 1663df930be7Sderaadt * has been taken. Reset signal mask and 1664df930be7Sderaadt * stack state from context left by sendsig (above). 1665df930be7Sderaadt * Return to previous pc and psl as specified by 1666df930be7Sderaadt * context left by sendsig. Check carefully to 1667df930be7Sderaadt * make sure that the user has not modified the 1668125cd19fSderaadt * psl to gain improper privileges or to cause 1669df930be7Sderaadt * a machine fault. 1670df930be7Sderaadt */ 1671df930be7Sderaadt /* ARGSUSED */ 1672df930be7Sderaadt int 1673df930be7Sderaadt sys_sigreturn(p, v, retval) 1674df930be7Sderaadt struct proc *p; 1675df930be7Sderaadt void *v; 1676df930be7Sderaadt register_t *retval; 1677df930be7Sderaadt { 1678df930be7Sderaadt struct sys_sigreturn_args /* { 1679df930be7Sderaadt syscallarg(struct sigcontext *) sigcntxp; 1680df930be7Sderaadt } */ *uap = v; 1681aa540fb8Sart struct sigcontext ksc; 168260959295Smartin #ifdef DEBUG 168360959295Smartin struct sigcontext *scp; 168460959295Smartin #endif 1685aa540fb8Sart int error; 1686df930be7Sderaadt 1687df930be7Sderaadt #ifdef DEBUG 1688df930be7Sderaadt if (sigdebug & SDB_FOLLOW) 168950ce9ee0Sniklas printf("sigreturn: pid %d, scp %p\n", p->p_pid, scp); 1690df930be7Sderaadt #endif 1691df930be7Sderaadt 1692df930be7Sderaadt /* 1693df930be7Sderaadt * Test and fetch the context structure. 1694df930be7Sderaadt * We grab it all at once for speed. 1695df930be7Sderaadt */ 1696aa540fb8Sart if ((error = copyin(SCARG(uap, sigcntxp), &ksc, sizeof(ksc))) != 0) 1697aa540fb8Sart return (error); 1698df930be7Sderaadt 1699df930be7Sderaadt if (ksc.sc_regs[R_ZERO] != 0xACEDBADE) /* magic number */ 1700df930be7Sderaadt return (EINVAL); 1701df930be7Sderaadt /* 1702df930be7Sderaadt * Restore the user-supplied information 1703df930be7Sderaadt */ 1704df930be7Sderaadt if (ksc.sc_onstack) 1705df930be7Sderaadt p->p_sigacts->ps_sigstk.ss_flags |= SS_ONSTACK; 1706df930be7Sderaadt else 1707df930be7Sderaadt p->p_sigacts->ps_sigstk.ss_flags &= ~SS_ONSTACK; 1708df930be7Sderaadt p->p_sigmask = ksc.sc_mask &~ sigcantmask; 1709df930be7Sderaadt 171050ce9ee0Sniklas p->p_md.md_tf->tf_regs[FRAME_PC] = ksc.sc_pc; 171150ce9ee0Sniklas p->p_md.md_tf->tf_regs[FRAME_PS] = 171250ce9ee0Sniklas (ksc.sc_ps | ALPHA_PSL_USERSET) & ~ALPHA_PSL_USERCLR; 1713df930be7Sderaadt 1714df930be7Sderaadt regtoframe((struct reg *)ksc.sc_regs, p->p_md.md_tf); 171550ce9ee0Sniklas alpha_pal_wrusp(ksc.sc_regs[R_SP]); 1716df930be7Sderaadt 1717df930be7Sderaadt /* XXX ksc.sc_ownedfp ? */ 1718433075b6Spvalchev if (p->p_addr->u_pcb.pcb_fpcpu != NULL) 1719433075b6Spvalchev fpusave_proc(p, 0); 1720433075b6Spvalchev memcpy(&p->p_addr->u_pcb.pcb_fp, (struct fpreg *)ksc.sc_fpregs, 1721df930be7Sderaadt sizeof(struct fpreg)); 1722433075b6Spvalchev #ifndef NO_IEEE 1723433075b6Spvalchev p->p_addr->u_pcb.pcb_fp.fpr_cr = ksc.sc_fpcr; 1724433075b6Spvalchev p->p_md.md_flags = ksc.sc_fp_control & MDP_FP_C; 1725433075b6Spvalchev #endif 1726df930be7Sderaadt 1727df930be7Sderaadt #ifdef DEBUG 1728df930be7Sderaadt if (sigdebug & SDB_FOLLOW) 1729df930be7Sderaadt printf("sigreturn(%d): returns\n", p->p_pid); 1730df930be7Sderaadt #endif 1731df930be7Sderaadt return (EJUSTRETURN); 1732df930be7Sderaadt } 1733df930be7Sderaadt 1734df930be7Sderaadt /* 1735df930be7Sderaadt * machine dependent system variables. 1736df930be7Sderaadt */ 173750ce9ee0Sniklas int 1738df930be7Sderaadt cpu_sysctl(name, namelen, oldp, oldlenp, newp, newlen, p) 1739df930be7Sderaadt int *name; 1740df930be7Sderaadt u_int namelen; 1741df930be7Sderaadt void *oldp; 1742df930be7Sderaadt size_t *oldlenp; 1743df930be7Sderaadt void *newp; 1744df930be7Sderaadt size_t newlen; 1745df930be7Sderaadt struct proc *p; 1746df930be7Sderaadt { 1747df930be7Sderaadt dev_t consdev; 1748df930be7Sderaadt 174945e5a1a0Sart if (name[0] != CPU_CHIPSET && namelen != 1) 1750df930be7Sderaadt return (ENOTDIR); /* overloaded */ 1751df930be7Sderaadt 1752df930be7Sderaadt switch (name[0]) { 1753df930be7Sderaadt case CPU_CONSDEV: 1754df930be7Sderaadt if (cn_tab != NULL) 1755df930be7Sderaadt consdev = cn_tab->cn_dev; 1756df930be7Sderaadt else 1757df930be7Sderaadt consdev = NODEV; 1758df930be7Sderaadt return (sysctl_rdstruct(oldp, oldlenp, newp, &consdev, 1759df930be7Sderaadt sizeof consdev)); 1760417eba8cSderaadt 1761417eba8cSderaadt case CPU_ROOT_DEVICE: 1762aed035abSart return (sysctl_rdstring(oldp, oldlenp, newp, 1763aed035abSart root_device)); 1764a37778bcSderaadt #ifndef SMALL_KERNEL 176550ce9ee0Sniklas case CPU_UNALIGNED_PRINT: 176650ce9ee0Sniklas return (sysctl_int(oldp, oldlenp, newp, newlen, 176750ce9ee0Sniklas &alpha_unaligned_print)); 176850ce9ee0Sniklas 176950ce9ee0Sniklas case CPU_UNALIGNED_FIX: 177050ce9ee0Sniklas return (sysctl_int(oldp, oldlenp, newp, newlen, 177150ce9ee0Sniklas &alpha_unaligned_fix)); 177250ce9ee0Sniklas 177350ce9ee0Sniklas case CPU_UNALIGNED_SIGBUS: 177450ce9ee0Sniklas return (sysctl_int(oldp, oldlenp, newp, newlen, 177550ce9ee0Sniklas &alpha_unaligned_sigbus)); 177650ce9ee0Sniklas 17773a630e3fSniklas case CPU_BOOTED_KERNEL: 1778aed035abSart return (sysctl_rdstring(oldp, oldlenp, newp, 1779aed035abSart bootinfo.booted_kernel)); 17803a630e3fSniklas 178145e5a1a0Sart case CPU_CHIPSET: 178245e5a1a0Sart return (alpha_sysctl_chipset(name + 1, namelen - 1, oldp, 178345e5a1a0Sart oldlenp)); 1784a37778bcSderaadt #endif /* SMALL_KERNEL */ 1785433075b6Spvalchev 1786433075b6Spvalchev #ifndef NO_IEEE 1787433075b6Spvalchev case CPU_FP_SYNC_COMPLETE: 1788433075b6Spvalchev return (sysctl_int(oldp, oldlenp, newp, newlen, 1789433075b6Spvalchev &alpha_fp_sync_complete)); 1790433075b6Spvalchev #endif 179127626149Smatthieu case CPU_ALLOWAPERTURE: 179227626149Smatthieu #ifdef APERTURE 179327626149Smatthieu if (securelevel > 0) 17941546ceefSderaadt return (sysctl_int_lower(oldp, oldlenp, newp, newlen, 17951546ceefSderaadt &allowaperture)); 179627626149Smatthieu else 179727626149Smatthieu return (sysctl_int(oldp, oldlenp, newp, newlen, 179827626149Smatthieu &allowaperture)); 179927626149Smatthieu #else 180027626149Smatthieu return (sysctl_rdint(oldp, oldlenp, newp, 0)); 180127626149Smatthieu #endif 1802df930be7Sderaadt default: 1803df930be7Sderaadt return (EOPNOTSUPP); 1804df930be7Sderaadt } 1805df930be7Sderaadt /* NOTREACHED */ 1806df930be7Sderaadt } 1807df930be7Sderaadt 1808df930be7Sderaadt /* 1809df930be7Sderaadt * Set registers on exec. 1810df930be7Sderaadt */ 1811df930be7Sderaadt void 1812df930be7Sderaadt setregs(p, pack, stack, retval) 1813df930be7Sderaadt register struct proc *p; 1814df930be7Sderaadt struct exec_package *pack; 1815df930be7Sderaadt u_long stack; 1816df930be7Sderaadt register_t *retval; 1817df930be7Sderaadt { 1818df930be7Sderaadt struct trapframe *tfp = p->p_md.md_tf; 18193a630e3fSniklas #ifdef DEBUG 18203a630e3fSniklas int i; 18213a630e3fSniklas #endif 1822df930be7Sderaadt 1823df930be7Sderaadt #ifdef DEBUG 182450ce9ee0Sniklas /* 182550ce9ee0Sniklas * Crash and dump, if the user requested it. 182650ce9ee0Sniklas */ 182750ce9ee0Sniklas if (boothowto & RB_DUMP) 182850ce9ee0Sniklas panic("crash requested by boot flags"); 182950ce9ee0Sniklas #endif 183050ce9ee0Sniklas 183150ce9ee0Sniklas #ifdef DEBUG 183250ce9ee0Sniklas for (i = 0; i < FRAME_SIZE; i++) 1833df930be7Sderaadt tfp->tf_regs[i] = 0xbabefacedeadbeef; 1834df930be7Sderaadt #else 183550ce9ee0Sniklas bzero(tfp->tf_regs, FRAME_SIZE * sizeof tfp->tf_regs[0]); 1836df930be7Sderaadt #endif 1837df930be7Sderaadt bzero(&p->p_addr->u_pcb.pcb_fp, sizeof p->p_addr->u_pcb.pcb_fp); 183850ce9ee0Sniklas alpha_pal_wrusp(stack); 183950ce9ee0Sniklas tfp->tf_regs[FRAME_PS] = ALPHA_PSL_USERSET; 184050ce9ee0Sniklas tfp->tf_regs[FRAME_PC] = pack->ep_entry & ~3; 1841df930be7Sderaadt 184250ce9ee0Sniklas tfp->tf_regs[FRAME_A0] = stack; 184350ce9ee0Sniklas /* a1 and a2 already zeroed */ 184450ce9ee0Sniklas tfp->tf_regs[FRAME_T12] = tfp->tf_regs[FRAME_PC]; /* a.k.a. PV */ 184550ce9ee0Sniklas 184650ce9ee0Sniklas p->p_md.md_flags &= ~MDP_FPUSED; 1847433075b6Spvalchev #ifndef NO_IEEE 1848433075b6Spvalchev if (__predict_true((p->p_md.md_flags & IEEE_INHERIT) == 0)) { 1849433075b6Spvalchev p->p_md.md_flags &= ~MDP_FP_C; 1850433075b6Spvalchev p->p_addr->u_pcb.pcb_fp.fpr_cr = FPCR_DYN(FP_RN); 1851433075b6Spvalchev } 1852433075b6Spvalchev #endif 1853433075b6Spvalchev if (p->p_addr->u_pcb.pcb_fpcpu != NULL) 1854433075b6Spvalchev fpusave_proc(p, 0); 1855ee2d823aSmiod 1856ee2d823aSmiod retval[1] = 0; 1857433075b6Spvalchev } 1858df930be7Sderaadt 1859433075b6Spvalchev /* 1860433075b6Spvalchev * Release the FPU. 1861433075b6Spvalchev */ 1862433075b6Spvalchev void 1863433075b6Spvalchev fpusave_cpu(struct cpu_info *ci, int save) 1864433075b6Spvalchev { 1865433075b6Spvalchev struct proc *p; 1866433075b6Spvalchev 1867433075b6Spvalchev KDASSERT(ci == curcpu()); 1868433075b6Spvalchev 1869433075b6Spvalchev #if defined(MULTIPROCESSOR) 1870433075b6Spvalchev atomic_setbits_ulong(&ci->ci_flags, CPUF_FPUSAVE); 1871433075b6Spvalchev #endif 1872433075b6Spvalchev 1873433075b6Spvalchev p = ci->ci_fpcurproc; 1874433075b6Spvalchev if (p == NULL) 1875433075b6Spvalchev goto out; 1876433075b6Spvalchev 1877433075b6Spvalchev if (save) { 1878433075b6Spvalchev alpha_pal_wrfen(1); 1879433075b6Spvalchev savefpstate(&p->p_addr->u_pcb.pcb_fp); 1880433075b6Spvalchev } 1881433075b6Spvalchev 1882433075b6Spvalchev alpha_pal_wrfen(0); 1883433075b6Spvalchev 1884433075b6Spvalchev p->p_addr->u_pcb.pcb_fpcpu = NULL; 1885433075b6Spvalchev ci->ci_fpcurproc = NULL; 1886433075b6Spvalchev 1887433075b6Spvalchev out: 1888433075b6Spvalchev #if defined(MULTIPROCESSOR) 1889433075b6Spvalchev atomic_clearbits_ulong(&ci->ci_flags, CPUF_FPUSAVE); 1890433075b6Spvalchev #endif 1891433075b6Spvalchev return; 1892433075b6Spvalchev } 1893433075b6Spvalchev 1894433075b6Spvalchev /* 1895433075b6Spvalchev * Synchronize FP state for this process. 1896433075b6Spvalchev */ 1897433075b6Spvalchev void 1898433075b6Spvalchev fpusave_proc(struct proc *p, int save) 1899433075b6Spvalchev { 1900433075b6Spvalchev struct cpu_info *ci = curcpu(); 1901433075b6Spvalchev struct cpu_info *oci; 1902433075b6Spvalchev #if defined(MULTIPROCESSOR) 1903433075b6Spvalchev u_long ipi = save ? ALPHA_IPI_SYNCH_FPU : ALPHA_IPI_DISCARD_FPU; 19042199c730Smartin int spincount; 1905433075b6Spvalchev #endif 1906433075b6Spvalchev 1907433075b6Spvalchev KDASSERT(p->p_addr != NULL); 1908433075b6Spvalchev 1909433075b6Spvalchev oci = p->p_addr->u_pcb.pcb_fpcpu; 1910433075b6Spvalchev if (oci == NULL) { 1911433075b6Spvalchev return; 1912433075b6Spvalchev } 1913433075b6Spvalchev 1914433075b6Spvalchev #if defined(MULTIPROCESSOR) 1915433075b6Spvalchev if (oci == ci) { 1916433075b6Spvalchev KASSERT(ci->ci_fpcurproc == p); 1917433075b6Spvalchev fpusave_cpu(ci, save); 1918433075b6Spvalchev return; 1919433075b6Spvalchev } 1920433075b6Spvalchev 1921433075b6Spvalchev KASSERT(oci->ci_fpcurproc == p); 1922433075b6Spvalchev alpha_send_ipi(oci->ci_cpuid, ipi); 1923433075b6Spvalchev 1924433075b6Spvalchev spincount = 0; 1925433075b6Spvalchev while (p->p_addr->u_pcb.pcb_fpcpu != NULL) { 1926433075b6Spvalchev spincount++; 1927433075b6Spvalchev delay(1000); /* XXX */ 1928433075b6Spvalchev if (spincount > 10000) 1929433075b6Spvalchev panic("fpsave ipi didn't"); 1930433075b6Spvalchev } 1931433075b6Spvalchev #else 1932433075b6Spvalchev KASSERT(ci->ci_fpcurproc == p); 1933433075b6Spvalchev fpusave_cpu(ci, save); 1934433075b6Spvalchev #endif /* MULTIPROCESSOR */ 1935df930be7Sderaadt } 1936df930be7Sderaadt 1937df930be7Sderaadt int 1938df930be7Sderaadt spl0() 1939df930be7Sderaadt { 1940df930be7Sderaadt 1941aed035abSart if (ssir) { 1942aed035abSart (void) alpha_pal_swpipl(ALPHA_PSL_IPL_SOFT); 19432a2685f2Sart softintr_dispatch(); 1944aed035abSart } 1945df930be7Sderaadt 194650ce9ee0Sniklas return (alpha_pal_swpipl(ALPHA_PSL_IPL_0)); 1947df930be7Sderaadt } 1948df930be7Sderaadt 1949df930be7Sderaadt /* 1950df930be7Sderaadt * The following primitives manipulate the run queues. _whichqs tells which 1951df930be7Sderaadt * of the 32 queues _qs have processes in them. Setrunqueue puts processes 1952e464495eSniklas * into queues, Remrunqueue removes them from queues. The running process is 1953e464495eSniklas * on no queue, other processes are on a queue related to p->p_priority, 1954e464495eSniklas * divided by 4 actually to shrink the 0-127 range of priorities into the 32 1955e464495eSniklas * available queues. 1956df930be7Sderaadt */ 1957df930be7Sderaadt /* 1958df930be7Sderaadt * setrunqueue(p) 1959df930be7Sderaadt * proc *p; 1960df930be7Sderaadt * 1961df930be7Sderaadt * Call should be made at splclock(), and p->p_stat should be SRUN. 1962df930be7Sderaadt */ 1963df930be7Sderaadt 19642a2685f2Sart /* XXXART - grmble */ 19652a2685f2Sart #define sched_qs qs 19662a2685f2Sart #define sched_whichqs whichqs 19672a2685f2Sart 1968df930be7Sderaadt void 1969df930be7Sderaadt setrunqueue(p) 1970df930be7Sderaadt struct proc *p; 1971df930be7Sderaadt { 1972df930be7Sderaadt int bit; 1973df930be7Sderaadt 1974df930be7Sderaadt /* firewall: p->p_back must be NULL */ 1975df930be7Sderaadt if (p->p_back != NULL) 1976df930be7Sderaadt panic("setrunqueue"); 1977df930be7Sderaadt 1978df930be7Sderaadt bit = p->p_priority >> 2; 19792a2685f2Sart sched_whichqs |= (1 << bit); 19802a2685f2Sart p->p_forw = (struct proc *)&sched_qs[bit]; 19812a2685f2Sart p->p_back = sched_qs[bit].ph_rlink; 1982df930be7Sderaadt p->p_back->p_forw = p; 19832a2685f2Sart sched_qs[bit].ph_rlink = p; 1984df930be7Sderaadt } 1985df930be7Sderaadt 1986df930be7Sderaadt /* 1987e464495eSniklas * remrunqueue(p) 1988df930be7Sderaadt * 1989df930be7Sderaadt * Call should be made at splclock(). 1990df930be7Sderaadt */ 1991df930be7Sderaadt void 1992d3cbbad5Skstailey remrunqueue(p) 1993df930be7Sderaadt struct proc *p; 1994df930be7Sderaadt { 1995df930be7Sderaadt int bit; 1996df930be7Sderaadt 1997df930be7Sderaadt bit = p->p_priority >> 2; 19982a2685f2Sart if ((sched_whichqs & (1 << bit)) == 0) 1999d3cbbad5Skstailey panic("remrunqueue"); 2000df930be7Sderaadt 2001df930be7Sderaadt p->p_back->p_forw = p->p_forw; 2002df930be7Sderaadt p->p_forw->p_back = p->p_back; 2003df930be7Sderaadt p->p_back = NULL; /* for firewall checking. */ 2004df930be7Sderaadt 20052a2685f2Sart if ((struct proc *)&sched_qs[bit] == sched_qs[bit].ph_link) 20062a2685f2Sart sched_whichqs &= ~(1 << bit); 2007df930be7Sderaadt } 2008df930be7Sderaadt 2009df930be7Sderaadt /* 2010df930be7Sderaadt * Return the best possible estimate of the time in the timeval 2011df930be7Sderaadt * to which tvp points. Unfortunately, we can't read the hardware registers. 2012df930be7Sderaadt * We guarantee that the time will be greater than the value obtained by a 2013df930be7Sderaadt * previous call. 2014df930be7Sderaadt */ 2015df930be7Sderaadt void 2016df930be7Sderaadt microtime(tvp) 2017df930be7Sderaadt register struct timeval *tvp; 2018df930be7Sderaadt { 2019df930be7Sderaadt int s = splclock(); 2020df930be7Sderaadt static struct timeval lasttime; 2021df930be7Sderaadt 2022df930be7Sderaadt *tvp = time; 2023df930be7Sderaadt #ifdef notdef 2024df930be7Sderaadt tvp->tv_usec += clkread(); 20254c891e15Spjanzen while (tvp->tv_usec >= 1000000) { 2026df930be7Sderaadt tvp->tv_sec++; 2027df930be7Sderaadt tvp->tv_usec -= 1000000; 2028df930be7Sderaadt } 2029df930be7Sderaadt #endif 2030df930be7Sderaadt if (tvp->tv_sec == lasttime.tv_sec && 2031df930be7Sderaadt tvp->tv_usec <= lasttime.tv_usec && 20324c891e15Spjanzen (tvp->tv_usec = lasttime.tv_usec + 1) >= 1000000) { 2033df930be7Sderaadt tvp->tv_sec++; 2034df930be7Sderaadt tvp->tv_usec -= 1000000; 2035df930be7Sderaadt } 2036df930be7Sderaadt lasttime = *tvp; 2037df930be7Sderaadt splx(s); 2038df930be7Sderaadt } 2039df930be7Sderaadt 2040417eba8cSderaadt /* 2041417eba8cSderaadt * Wait "n" microseconds. 2042417eba8cSderaadt */ 204350ce9ee0Sniklas void 2044417eba8cSderaadt delay(n) 204550ce9ee0Sniklas unsigned long n; 2046417eba8cSderaadt { 20475d097e9eSmiod unsigned long pcc0, pcc1, curcycle, cycles, usec; 20485d097e9eSmiod 20495d097e9eSmiod if (n == 0) 20505d097e9eSmiod return; 20515d097e9eSmiod 20525d097e9eSmiod pcc0 = alpha_rpcc() & 0xffffffffUL; 20535d097e9eSmiod cycles = 0; 20545d097e9eSmiod usec = 0; 20555d097e9eSmiod 20565d097e9eSmiod while (usec <= n) { 20575d097e9eSmiod /* 20585d097e9eSmiod * Get the next CPU cycle count - assumes that we can not 20595d097e9eSmiod * have had more than one 32 bit overflow. 20605d097e9eSmiod */ 20615d097e9eSmiod pcc1 = alpha_rpcc() & 0xffffffffUL; 20625d097e9eSmiod if (pcc1 < pcc0) 20635d097e9eSmiod curcycle = (pcc1 + 0x100000000UL) - pcc0; 20645d097e9eSmiod else 20655d097e9eSmiod curcycle = pcc1 - pcc0; 2066417eba8cSderaadt 2067aed035abSart /* 20685d097e9eSmiod * We now have the number of processor cycles since we 20695d097e9eSmiod * last checked. Add the current cycle count to the 20705d097e9eSmiod * running total. If it's over cycles_per_usec, increment 20715d097e9eSmiod * the usec counter. 2072aed035abSart */ 20735d097e9eSmiod cycles += curcycle; 20745d097e9eSmiod while (cycles > cycles_per_usec) { 20755d097e9eSmiod usec++; 20765d097e9eSmiod cycles -= cycles_per_usec; 20775d097e9eSmiod } 20785d097e9eSmiod pcc0 = pcc1; 20795d097e9eSmiod } 2080417eba8cSderaadt } 2081417eba8cSderaadt 20829da89091Sderaadt #if defined(COMPAT_OSF1) 2083c4071fd1Smillert void cpu_exec_ecoff_setregs(struct proc *, struct exec_package *, 2084c4071fd1Smillert u_long, register_t *); 20853a630e3fSniklas 2086df930be7Sderaadt void 2087417eba8cSderaadt cpu_exec_ecoff_setregs(p, epp, stack, retval) 2088df930be7Sderaadt struct proc *p; 2089417eba8cSderaadt struct exec_package *epp; 2090df930be7Sderaadt u_long stack; 2091df930be7Sderaadt register_t *retval; 2092df930be7Sderaadt { 2093417eba8cSderaadt struct ecoff_exechdr *execp = (struct ecoff_exechdr *)epp->ep_hdr; 2094df930be7Sderaadt 2095417eba8cSderaadt setregs(p, epp, stack, retval); 209650ce9ee0Sniklas p->p_md.md_tf->tf_regs[FRAME_GP] = execp->a.gp_value; 2097df930be7Sderaadt } 2098df930be7Sderaadt 2099df930be7Sderaadt /* 2100df930be7Sderaadt * cpu_exec_ecoff_hook(): 2101df930be7Sderaadt * cpu-dependent ECOFF format hook for execve(). 2102df930be7Sderaadt * 2103df930be7Sderaadt * Do any machine-dependent diddling of the exec package when doing ECOFF. 2104df930be7Sderaadt * 2105df930be7Sderaadt */ 2106df930be7Sderaadt int 2107417eba8cSderaadt cpu_exec_ecoff_hook(p, epp) 2108df930be7Sderaadt struct proc *p; 2109df930be7Sderaadt struct exec_package *epp; 2110df930be7Sderaadt { 2111417eba8cSderaadt struct ecoff_exechdr *execp = (struct ecoff_exechdr *)epp->ep_hdr; 2112c3114d5bSericj extern struct emul emul_native; 2113aed035abSart int error; 21144e8700e2Sericj extern int osf1_exec_ecoff_hook(struct proc *, struct exec_package *); 2115df930be7Sderaadt 2116417eba8cSderaadt switch (execp->f.f_magic) { 2117df930be7Sderaadt #ifdef COMPAT_OSF1 2118df930be7Sderaadt case ECOFF_MAGIC_ALPHA: 21194e8700e2Sericj error = osf1_exec_ecoff_hook(p, epp); 2120df930be7Sderaadt break; 2121df930be7Sderaadt #endif 2122df930be7Sderaadt 212350ce9ee0Sniklas case ECOFF_MAGIC_NATIVE_ALPHA: 2124a2f8ce8dSderaadt epp->ep_emul = &emul_native; 2125aed035abSart error = 0; 2126df930be7Sderaadt break; 2127df930be7Sderaadt 2128df930be7Sderaadt default: 2129aed035abSart error = ENOEXEC; 2130df930be7Sderaadt } 2131aed035abSart return (error); 2132df930be7Sderaadt } 2133df930be7Sderaadt #endif 2134e464495eSniklas 2135aed035abSart int 2136aed035abSart alpha_pa_access(pa) 2137aed035abSart u_long pa; 2138aed035abSart { 2139aed035abSart int i; 2140aed035abSart 2141aed035abSart for (i = 0; i < mem_cluster_cnt; i++) { 2142aed035abSart if (pa < mem_clusters[i].start) 2143aed035abSart continue; 2144aed035abSart if ((pa - mem_clusters[i].start) >= 2145aed035abSart (mem_clusters[i].size & ~PAGE_MASK)) 2146aed035abSart continue; 2147aed035abSart return (mem_clusters[i].size & PAGE_MASK); /* prot */ 2148aed035abSart } 2149aed035abSart 2150aed035abSart /* 2151aed035abSart * Address is not a memory address. If we're secure, disallow 2152aed035abSart * access. Otherwise, grant read/write. 2153aed035abSart */ 2154aed035abSart if (securelevel > 0) 2155aed035abSart return (VM_PROT_NONE); 2156aed035abSart else 2157aed035abSart return (VM_PROT_READ | VM_PROT_WRITE); 2158aed035abSart } 2159aed035abSart 2160e464495eSniklas /* XXX XXX BEGIN XXX XXX */ 2161aed035abSart paddr_t alpha_XXX_dmamap_or; /* XXX */ 2162e464495eSniklas /* XXX */ 2163aed035abSart paddr_t /* XXX */ 2164e464495eSniklas alpha_XXX_dmamap(v) /* XXX */ 2165aed035abSart vaddr_t v; /* XXX */ 2166e464495eSniklas { /* XXX */ 2167e464495eSniklas /* XXX */ 2168e464495eSniklas return (vtophys(v) | alpha_XXX_dmamap_or); /* XXX */ 2169e464495eSniklas } /* XXX */ 2170e464495eSniklas /* XXX XXX END XXX XXX */ 2171