void cpu_reboot(int howto, char *bootstr) { static int waittime = -1; /* Take a snapshot before clobbering any registers. */ if (curproc) savectx((struct user *)curpcb); if (cold) { howto |= RB_HALT; goto haltsys; } /* If "always halt" was specified as a boot flag, obey. */ if (boothowto & RB_HALT) { howto |= RB_HALT; } #ifdef KLOADER_KERNEL_PATH if ((howto & RB_HALT) == 0) kloader_reboot_setup(KLOADER_KERNEL_PATH); #endif boothowto = howto; if ((howto & RB_NOSYNC) == 0 && (waittime < 0)) { waittime = 0; vfs_shutdown(); /* * If we've been adjusting the clock, the todr * will be out of synch; adjust it now. */ resettodr(); } splhigh(); if (howto & RB_DUMP) dumpsys(); haltsys: doshutdownhooks(); if ((howto & RB_POWERDOWN) == RB_POWERDOWN) sifbios_halt(0); /* power down */ else if (howto & RB_HALT) sifbios_halt(1); /* halt */ else { #ifdef KLOADER_KERNEL_PATH kloader_reboot(); /* NOTREACHED */ #endif sifbios_halt(2); /* reset */ } while (1) ; /* NOTREACHED */ }
void bootsync(int howto) { static int bootsyncdone = 0; if (bootsyncdone) return; bootsyncdone = 1; /* Make sure we can still manage to do things */ if (__get_cpsr() & I32_bit) { /* * If we get here then boot has been called without RB_NOSYNC * and interrupts were disabled. This means the boot() call * did not come from a user process e.g. shutdown, but must * have come from somewhere in the kernel. */ IRQenable; printf("Warning IRQ's disabled during boot()\n"); } vfs_shutdown(); /* * If we've been adjusting the clock, the todr * will be out of synch; adjust it now unless * the system has been sitting in ddb. */ if ((howto & RB_TIMEBAD) == 0) { resettodr(); } else { printf("WARNING: not updating battery clock\n"); } }
/* * does not implement security features of kern_time.c:settime() */ void afs_osi_SetTime(osi_timeval_t * atv) { #ifdef AFS_FBSD50_ENV printf("afs attempted to set clock; use \"afsd -nosettime\"\n"); #else struct timespec ts; struct timeval tv, delta; int s; AFS_GUNLOCK(); s = splclock(); microtime(&tv); delta = *atv; timevalsub(&delta, &tv); ts.tv_sec = atv->tv_sec; ts.tv_nsec = atv->tv_usec * 1000; set_timecounter(&ts); (void)splsoftclock(); lease_updatetime(delta.tv_sec); splx(s); resettodr(); AFS_GLOCK(); #endif }
/* This function is used by clock_settime and settimeofday */ static int settime1(struct proc *p, const struct timespec *ts, bool check_kauth) { struct timespec delta, now; int s; /* WHAT DO WE DO ABOUT PENDING REAL-TIME TIMEOUTS??? */ s = splclock(); nanotime(&now); timespecsub(ts, &now, &delta); if (check_kauth && kauth_authorize_system(kauth_cred_get(), KAUTH_SYSTEM_TIME, KAUTH_REQ_SYSTEM_TIME_SYSTEM, __UNCONST(ts), &delta, KAUTH_ARG(check_kauth ? false : true)) != 0) { splx(s); return (EPERM); } #ifdef notyet if ((delta.tv_sec < 86400) && securelevel > 0) { /* XXX elad - notyet */ splx(s); return (EPERM); } #endif tc_setclock(ts); timespecadd(&boottime, &delta, &boottime); resettodr(); splx(s); return (0); }
void bootsync(void) { static bool bootsyncdone = false; if (bootsyncdone) return; bootsyncdone = true; /* Make sure we can still manage to do things */ if (GetCPSR() & I32_bit) { /* * If we get here then boot has been called without RB_NOSYNC * and interrupts were disabled. This means the boot() call * did not come from a user process e.g. shutdown, but must * have come from somewhere in the kernel. */ IRQenable; printf("Warning IRQ's disabled during boot()\n"); } vfs_shutdown(); resettodr(); }
void boot(int howto) { if (cold) { if ((howto & RB_USERREQ) == 0) howto |= RB_HALT; goto haltsys; } boothowto = howto; if ((howto & RB_NOSYNC) == 0) { vfs_shutdown(); /* * If we've been adjusting the clock, the todr * will be out of synch; adjust it now. */ if ((howto & RB_TIMEBAD) == 0) resettodr(); else printf("WARNING: not updating battery clock\n"); } uvm_shutdown(); splhigh(); /* Disable interrupts. */ /* Do a dump if requested. */ if (howto & RB_DUMP) dumpsys(); haltsys: doshutdownhooks(); if ((howto & RB_POWERDOWN) == RB_POWERDOWN) { _reg_write_1(LANDISK_PWRMNG, PWRMNG_POWEROFF); delay(1 * 1000 * 1000); printf("POWEROFF FAILED!\n"); howto |= RB_HALT; } if (howto & RB_HALT) { printf("\n"); printf("The operating system has halted.\n"); printf("Please press any key to reboot.\n\n"); cnpollc(1); cngetc(); cnpollc(0); } printf("rebooting...\n"); machine_reset(); /*NOTREACHED*/ for (;;) { continue; } }
static int sysctl_machdep_adjkerntz(SYSCTL_HANDLER_ARGS) { int error; error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req); if (!error && req->newptr) resettodr(); return (error); }
/* * inittodr: * * Initialize time from the time-of-day register. */ #define MINYEAR 2003 /* minimum plausible year */ void inittodr(time_t base) { time_t deltat; struct timeval rtctime; struct timespec ts; int badbase; if (base < (MINYEAR - 1970) * SECYR) { printf("WARNING: preposterous time in file system\n"); /* read the system clock anyway */ base = (MINYEAR - 1970) * SECYR; badbase = 1; } else badbase = 0; if (todr_handle == NULL || todr_gettime(todr_handle, &rtctime) != 0 || rtctime.tv_sec == 0) { /* * Believe the time in the file system for lack of * anything better, resetting the TODR. */ rtctime.tv_sec = base; rtctime.tv_usec = 0; if (todr_handle != NULL && !badbase) { printf("WARNING: preposterous clock chip time\n"); resettodr(); } ts.tv_sec = rtctime.tv_sec; ts.tv_nsec = rtctime.tv_usec * 1000; tc_setclock(&ts); goto bad; } else { ts.tv_sec = rtctime.tv_sec; ts.tv_nsec = rtctime.tv_usec * 1000; tc_setclock(&ts); } if (!badbase) { /* * See if we gained/lost two or more days; if * so, assume something is amiss. */ deltat = rtctime.tv_sec - base; if (deltat < 0) deltat = -deltat; if (deltat < 2 * SECDAY) return; /* all is well */ printf("WARNING: clock %s %ld days\n", rtctime.tv_sec < base ? "lost" : "gained", (long)deltat / SECDAY); } bad: printf("WARNING: CHECK AND RESET THE DATE!\n"); }
void cpu_reboot(int howto, char *bootstr) { /* Take a snapshot before clobbering any registers. */ savectx(curpcb); if (cold) { howto |= RB_HALT; goto haltsys; } /* If "always halt" was specified as a boot flag, obey. */ if (boothowto & RB_HALT) howto |= RB_HALT; boothowto = howto; if ((howto & RB_NOSYNC) == 0 && (waittime < 0)) { waittime = 0; vfs_shutdown(); /* * If we've been adjusting the clock, the todr * will be out of synch; adjust it now. */ resettodr(); } splhigh(); if (howto & RB_DUMP) dumpsys(); haltsys: doshutdownhooks(); pmf_system_shutdown(boothowto); if (howto & RB_HALT) { printf("\n"); printf("The operating system has halted.\n"); printf("Please press any key to reboot.\n\n"); cnpollc(1); /* For proper keyboard command handling */ cngetc(); cnpollc(0); } printf("rebooting...\n\n"); delay(500000); *(volatile char *)MIPS_PHYS_TO_KSEG1(LED_ADDR) = LED_RESET; printf("WARNING: reboot failed!\n"); for (;;) ; }
void cpu_reboot(int howto, char *what) { static int syncing; static char str[256]; int junk; char *ap = str, *ap1 = ap; boothowto = howto; if (!cold && !(howto & RB_NOSYNC) && !syncing) { syncing = 1; vfs_shutdown(); /* sync */ resettodr(); /* set wall clock */ } splhigh(); if (howto & RB_HALT) { doshutdownhooks(); aprint_normal("halted\n\n"); if ((howto & 0x800) && machine_has_rtas && rtas_has_func(RTAS_FUNC_POWER_OFF)) rtas_call(RTAS_FUNC_POWER_OFF, 2, 1, 0, 0, &junk); ppc_exit(); } if (!cold && (howto & RB_DUMP)) oea_dumpsys(); doshutdownhooks(); aprint_normal("rebooting\n\n"); if (machine_has_rtas && rtas_has_func(RTAS_FUNC_SYSTEM_REBOOT)) { rtas_call(RTAS_FUNC_SYSTEM_REBOOT, 0, 1, &junk); for(;;); } if (what && *what) { if (strlen(what) > sizeof str - 5) aprint_normal("boot string too large, ignored\n"); else { strcpy(str, what); ap1 = ap = str + strlen(str); *ap++ = ' '; } } *ap++ = '-'; if (howto & RB_SINGLE) *ap++ = 's'; if (howto & RB_KDB) *ap++ = 'd'; *ap++ = 0; if (ap[-2] == '-') *ap1 = 0; ppc_boot(str); }
__dead void boot(int howto) { if (curproc && curproc->p_addr) savectx(curpcb); if (cold) { if ((howto & RB_USERREQ) == 0) howto |= RB_HALT; goto haltsys; } boothowto = howto; if ((howto & RB_NOSYNC) == 0) { vfs_shutdown(); if ((howto & RB_TIMEBAD) == 0) { resettodr(); } else { printf("WARNING: not updating battery clock\n"); } } if_downall(); uvm_shutdown(); splhigh(); cold = 1; if ((howto & RB_DUMP) != 0) dumpsys(); haltsys: config_suspend_all(DVACT_POWERDOWN); if ((howto & RB_HALT) != 0) { printf("System halted.\n\n"); bootstack(); cmmu_shutdown(); scm_halt(); } doboot(); for (;;) ; /* NOTREACHED */ }
void inittodr(time_t base) { struct clock_ymdhms dt; struct timespec ts; time_t rtc; if (!sh_clock.rtc_initialized) sh_clock.rtc_initialized = 1; sh_clock.rtc.get(sh_clock.rtc._cookie, base, &dt); rtc = clock_ymdhms_to_secs(&dt); #ifdef DEBUG printf("inittodr: %d/%d/%d/%d/%d/%d(%d)\n", dt.dt_year, dt.dt_mon, dt.dt_day, dt.dt_hour, dt.dt_min, dt.dt_sec, dt.dt_wday); #endif if (!(sh_clock.flags & SH_CLOCK_NOINITTODR) && (rtc < base || dt.dt_year < MINYEAR || dt.dt_year > 2037 || dt.dt_mon < 1 || dt.dt_mon > 12 || dt.dt_wday > 6 || dt.dt_day < 1 || dt.dt_day > 31 || dt.dt_hour > 23 || dt.dt_min > 59 || dt.dt_sec > 59)) { /* * Believe the time in the file system for lack of * anything better, resetting the RTC. */ ts.tv_sec = base; ts.tv_nsec = 0; tc_setclock(&ts); printf("WARNING: preposterous clock chip time\n"); resettodr(); printf(" -- CHECK AND RESET THE DATE!\n"); return; } ts.tv_sec = rtc; ts.tv_nsec = 0; tc_setclock(&ts); return; }
void apm_suspend(struct pxa2x0_apm_softc *sc) { int s; #if NWSDISPLAY > 0 wsdisplay_suspend(); #endif /* NWSDISPLAY > 0 */ resettodr(); if (sc->sc_suspend == NULL) pxa2x0_wakeup_config(PXA2X0_WAKEUP_ALL, 1); else sc->sc_suspend(sc); s = splhigh(); config_suspend(TAILQ_FIRST(&alldevs), DVACT_SUSPEND); splx(s); pxa2x0_apm_sleep(sc); }
void cpu_reboot(int howto, char *bootstr) { /* Take a snapshot before clobbering any registers. */ if (curlwp) savectx((struct user *)curpcb); if (cold) { howto |= RB_HALT; goto haltsys; } /* If "always halt" was specified as a boot flag, obey. */ if (boothowto & RB_HALT) howto |= RB_HALT; boothowto = howto; if ((howto & RB_NOSYNC) == 0 && (waittime < 0)) { waittime = 0; vfs_shutdown(); /* * If we've been adjusting the clock, the todr * will be out of synch; adjust it now. */ resettodr(); } splhigh(); if (howto & RB_DUMP) dumpsys(); haltsys: doshutdownhooks(); if (howto & RB_HALT) { printf("\n"); printf("The operating system has halted.\n"); printf("Please press any key to reboot.\n\n"); cnpollc(1); /* For proper keyboard command handling */ cngetc(); cnpollc(0); } printf("rebooting...\n\n"); if (cfe_present) { /* * XXX * For some reason we can't return to CFE with * and do a warm start. Need to look into this... */ cfe_exit(0, (howto & RB_DUMP) ? 1 : 0); printf("cfe_exit didn't!\n"); } printf("WARNING: reboot failed!\n"); for (;;); }
/* * Halt or reboot the machine after syncing/dumping according to howto. */ void cpu_reboot(int howto, char *what) { static int syncing; static char str[256]; char *ap = str, *ap1 = ap; boothowto = howto; if (!cold && !(howto & RB_NOSYNC) && !syncing) { syncing = 1; vfs_shutdown(); /* sync */ resettodr(); /* set wall clock */ } splhigh(); if (!cold && (howto & RB_DUMP)) ibm4xx_dumpsys(); doshutdownhooks(); pmf_system_shutdown(boothowto); if ((howto & RB_POWERDOWN) == RB_POWERDOWN) { /* Power off here if we know how...*/ } if (howto & RB_HALT) { printf("halted\n\n"); #if 0 goto reboot; /* XXX for now... */ #endif #ifdef DDB printf("dropping to debugger\n"); while(1) Debugger(); #endif } printf("rebooting\n\n"); if (what && *what) { if (strlen(what) > sizeof str - 5) printf("boot string too large, ignored\n"); else { strcpy(str, what); ap1 = ap = str + strlen(str); *ap++ = ' '; } } *ap++ = '-'; if (howto & RB_SINGLE) *ap++ = 's'; if (howto & RB_KDB) *ap++ = 'd'; *ap++ = 0; if (ap[-2] == '-') *ap1 = 0; /* flush cache for msgbuf */ __syncicache((void *)msgbuf_paddr, round_page(MSGBUFSIZE)); #if 0 reboot: #endif ppc4xx_reset(); printf("ppc4xx_reset() failed!\n"); #ifdef DDB while(1) Debugger(); #else while (1) /* nothing */; #endif }
int apm_suspend(int state) { int rv; int s; #if NWSDISPLAY > 0 wsdisplay_suspend(); #endif resettodr(); config_suspend_all(DVACT_QUIESCE); bufq_quiesce(); s = splhigh(); (void)disableintr(); cold = 1; rv = config_suspend_all(DVACT_SUSPEND); suspend_randomness(); #ifdef HIBERNATE if (state == APM_IOC_HIBERNATE) { uvm_pmr_zero_everything(); if (hibernate_suspend()) { printf("apm: hibernate_suspend failed"); hibernate_free(); uvm_pmr_dirty_everything(); return (ECANCELED); } } #endif /* XXX * Flag to disk drivers that they should "power down" the disk * when we get to DVACT_POWERDOWN. */ boothowto |= RB_POWERDOWN; config_suspend_all(DVACT_POWERDOWN); boothowto &= ~RB_POWERDOWN; if (rv == 0) { rv = sys_platform->suspend(); if (rv == 0) rv = sys_platform->resume(); } inittodr(time_second); /* Move the clock forward */ config_suspend_all(DVACT_RESUME); cold = 0; (void)enableintr(); splx(s); resume_randomness(NULL, 0); /* force RNG upper level reseed */ bufq_restart(); config_suspend_all(DVACT_WAKEUP); #if NWSDISPLAY > 0 wsdisplay_resume(); #endif return rv; }
static int settime(struct timeval *tv) { struct timeval delta, tv1, tv2; static struct timeval maxtime, laststep; struct timespec ts; int origcpu; if ((origcpu = mycpu->gd_cpuid) != 0) lwkt_setcpu_self(globaldata_find(0)); crit_enter(); microtime(&tv1); delta = *tv; timevalsub(&delta, &tv1); /* * If the system is secure, we do not allow the time to be * set to a value earlier than 1 second less than the highest * time we have yet seen. The worst a miscreant can do in * this circumstance is "freeze" time. He couldn't go * back to the past. * * We similarly do not allow the clock to be stepped more * than one second, nor more than once per second. This allows * a miscreant to make the clock march double-time, but no worse. */ if (securelevel > 1) { if (delta.tv_sec < 0 || delta.tv_usec < 0) { /* * Update maxtime to latest time we've seen. */ if (tv1.tv_sec > maxtime.tv_sec) maxtime = tv1; tv2 = *tv; timevalsub(&tv2, &maxtime); if (tv2.tv_sec < -1) { tv->tv_sec = maxtime.tv_sec - 1; kprintf("Time adjustment clamped to -1 second\n"); } } else { if (tv1.tv_sec == laststep.tv_sec) { crit_exit(); return (EPERM); } if (delta.tv_sec > 1) { tv->tv_sec = tv1.tv_sec + 1; kprintf("Time adjustment clamped to +1 second\n"); } laststep = *tv; } } ts.tv_sec = tv->tv_sec; ts.tv_nsec = tv->tv_usec * 1000; set_timeofday(&ts); crit_exit(); if (origcpu != 0) lwkt_setcpu_self(globaldata_find(origcpu)); resettodr(); return (0); }
/* set the real time */ void afs_osi_SetTime(osi_timeval_t * atv) { #if defined(AFS_AIX32_ENV) struct timestruc_t t; t.tv_sec = atv->tv_sec; t.tv_nsec = atv->tv_usec * 1000; ksettimer(&t); /* Was -> settimer(TIMEOFDAY, &t); */ #elif defined(AFS_SUN5_ENV) stime(atv->tv_sec); #elif defined(AFS_SGI_ENV) struct stimea { sysarg_t time; } sta; AFS_GUNLOCK(); sta.time = atv->tv_sec; stime(&sta); AFS_GLOCK(); #elif defined(AFS_DARWIN_ENV) #ifndef AFS_DARWIN80_ENV AFS_GUNLOCK(); setthetime(atv); AFS_GLOCK(); #endif #else /* stolen from kern_time.c */ #ifndef AFS_AUX_ENV boottime.tv_sec += atv->tv_sec - time.tv_sec; #endif #ifdef AFS_HPUX_ENV { #if !defined(AFS_HPUX1122_ENV) /* drop the setting of the clock for now. spl7 is not * known on hpux11.22 */ ulong_t s; struct timeval t; t.tv_sec = atv->tv_sec; t.tv_usec = atv->tv_usec; s = spl7(); time = t; (void)splx(s); resettodr(atv); #endif } #else { int s; s = splclock(); time = *atv; (void)splx(s); } resettodr(); #endif #ifdef AFS_AUX_ENV logtchg(atv->tv_sec); #endif #endif /* AFS_DARWIN_ENV */ AFS_STATCNT(osi_SetTime); }
/* * Halt or reboot the machine after syncing/dumping according to howto. */ void cpu_reboot(int howto, char *what) { static int syncing; static char str[256]; char *ap = str, *ap1 = ap; /* * Enable external interrupts in case someone is rebooting * from a strange context via ddb. */ mtmsr(mfmsr() | PSL_EE); boothowto = howto; if (!cold && !(howto & RB_NOSYNC) && !syncing) { syncing = 1; vfs_shutdown(); /* sync */ resettodr(); /* set wall clock */ } #ifdef MULTIPROCESSOR /* Halt other CPU */ ppc_send_ipi(IPI_T_NOTME, PPC_IPI_HALT); delay(100000); /* XXX */ #endif splhigh(); if (!cold && (howto & RB_DUMP)) dumpsys(); doshutdownhooks(); if ((howto & RB_POWERDOWN) == RB_POWERDOWN) { delay(1000000); #if NCUDA > 0 cuda_poweroff(); #endif #if NPMU > 0 pmu_poweroff(); #endif #if NADB > 0 adb_poweroff(); printf("WARNING: powerdown failed!\n"); #endif } if (howto & RB_HALT) { printf("halted\n\n"); /* flush cache for msgbuf */ __syncicache((void *)msgbuf_paddr, round_page(MSGBUFSIZE)); ppc_exit(); } printf("rebooting\n\n"); if (what && *what) { if (strlen(what) > sizeof str - 5) printf("boot string too large, ignored\n"); else { strcpy(str, what); ap1 = ap = str + strlen(str); *ap++ = ' '; } } *ap++ = '-'; if (howto & RB_SINGLE) *ap++ = 's'; if (howto & RB_KDB) *ap++ = 'd'; *ap++ = 0; if (ap[-2] == '-') *ap1 = 0; /* flush cache for msgbuf */ __syncicache((void *)msgbuf_paddr, round_page(MSGBUFSIZE)); #if NCUDA > 0 cuda_restart(); #endif #if NPMU > 0 pmu_restart(); #endif #if NADB > 0 adb_restart(); /* not return */ #endif ppc_exit(); }
void boot(int howto) { if (cold) { /* * If the system is cold, just halt, unless the user * explicitly asked for reboot. */ if ((howto & RB_USERREQ) == 0) howto |= RB_HALT; goto haltsys; } boothowto = howto; if ((howto & RB_NOSYNC) == 0 && waittime < 0) { waittime = 0; if (curproc == NULL) curproc = &proc0; /* XXX */ vfs_shutdown(); /* * If we've been adjusting the clock, the todr * will be out of synch; adjust it now. */ if ((howto & RB_TIMEBAD) == 0) { resettodr(); } else { printf("WARNING: not updating battery clock\n"); } } /* Disable interrupts. */ splhigh(); /* Do a dump if requested. */ if (howto & RB_DUMP) dumpsys(); haltsys: doshutdownhooks(); #ifdef MULTIPROCESSOR x86_broadcast_ipi(X86_IPI_HALT); #endif if (howto & RB_HALT) { #if NACPI > 0 && !defined(SMALL_KERNEL) extern int acpi_s5, acpi_enabled; if (acpi_enabled) { delay(500000); if (howto & RB_POWERDOWN || acpi_s5) acpi_powerdown(); } #endif printf("\n"); printf("The operating system has halted.\n"); printf("Please press any key to reboot.\n\n"); cnpollc(1); /* for proper keyboard command handling */ cngetc(); cnpollc(0); } printf("rebooting...\n"); if (cpureset_delay > 0) delay(cpureset_delay * 1000); cpu_reset(); for(;;) ; /*NOTREACHED*/ }
/* set the real time */ void afs_osi_SetTime(osi_timeval_t * atv) { #if defined(AFS_AIX32_ENV) struct timestruc_t t; t.tv_sec = atv->tv_sec; t.tv_nsec = atv->tv_usec * 1000; ksettimer(&t); /* Was -> settimer(TIMEOFDAY, &t); */ #elif defined(AFS_SUN55_ENV) stime(atv->tv_sec); #elif defined(AFS_SUN5_ENV) /* * To get more than second resolution we can use adjtime. The problem * is that the usecs from the server are wrong (by now) so it isn't * worth complicating the following code. */ struct stimea { time_t time; } sta; sta.time = atv->tv_sec; stime(&sta, NULL); #elif defined(AFS_SGI_ENV) struct stimea { sysarg_t time; } sta; AFS_GUNLOCK(); sta.time = atv->tv_sec; stime(&sta); AFS_GLOCK(); #elif defined(AFS_DARWIN_ENV) #ifndef AFS_DARWIN80_ENV AFS_GUNLOCK(); setthetime(atv); AFS_GLOCK(); #endif #else /* stolen from kern_time.c */ #ifndef AFS_AUX_ENV boottime.tv_sec += atv->tv_sec - time.tv_sec; #endif #ifdef AFS_HPUX_ENV { #if !defined(AFS_HPUX1122_ENV) /* drop the setting of the clock for now. spl7 is not * known on hpux11.22 */ register ulong_t s; struct timeval t; t.tv_sec = atv->tv_sec; t.tv_usec = atv->tv_usec; s = spl7(); time = t; (void)splx(s); resettodr(atv); #endif } #else { register int s; s = splclock(); time = *atv; (void)splx(s); } resettodr(); #endif #ifdef AFS_AUX_ENV logtchg(atv->tv_sec); #endif #endif /* AFS_DARWIN_ENV */ AFS_STATCNT(osi_SetTime); }
void cpu_reboot(volatile int howto, char *bootstr) { /* take a snap shot before clobbering any registers */ savectx(curpcb); #ifdef DEBUG if (panicstr) stacktrace(); #endif /* If system is cold, just halt. */ if (cold) { howto |= RB_HALT; goto haltsys; } /* If "always halt" was specified as a boot flag, obey. */ if ((boothowto & RB_HALT) != 0) howto |= RB_HALT; boothowto = howto; if ((howto & RB_NOSYNC) == 0 && waittime < 0) { /* * Synchronize the disks.... */ waittime = 0; vfs_shutdown(); /* * If we've been adjusting the clock, the todr * will be out of synch; adjust it now. */ resettodr(); } /* Disable interrupts. */ disable_intr(); splhigh(); /* If rebooting and a dump is requested do it. */ #if 0 if ((howto & (RB_DUMP | RB_HALT)) == RB_DUMP) #else if (howto & RB_DUMP) #endif dumpsys(); haltsys: /* run any shutdown hooks */ doshutdownhooks(); pmf_system_shutdown(boothowto); if ((howto & RB_POWERDOWN) == RB_POWERDOWN) prom_halt(0x80); /* rom monitor RB_PWOFF */ /* Finally, halt/reboot the system. */ printf("%s\n\n", howto & RB_HALT ? "halted." : "rebooting..."); prom_halt(howto & RB_HALT); /*NOTREACHED*/ }
void cpu_reboot(int howto, char *bootstr) { static int waittime = -1; const struct alchemy_board *board; /* Take a snapshot before clobbering any registers. */ if (curproc) savectx((struct user *)curpcb); board = board_info(); KASSERT(board != NULL); /* If "always halt" was specified as a boot flag, obey. */ if (boothowto & RB_HALT) howto |= RB_HALT; boothowto = howto; /* If system is cold, just halt. */ if (cold) { boothowto |= RB_HALT; goto haltsys; } if ((boothowto & RB_NOSYNC) == 0 && waittime < 0) { waittime = 0; /* * Synchronize the disks.... */ vfs_shutdown(); /* * If we've been adjusting the clock, the todr * will be out of synch; adjust it now. */ resettodr(); } /* Disable interrupts. */ splhigh(); if (boothowto & RB_DUMP) dumpsys(); haltsys: /* Run any shutdown hooks. */ doshutdownhooks(); if ((boothowto & RB_POWERDOWN) == RB_POWERDOWN) if (board && board->ab_poweroff) board->ab_poweroff(); /* * YAMON may autoboot (depending on settings), and we cannot pass * flags to it (at least I haven't figured out how to yet), so * we "pseudo-halt" now. */ if (boothowto & RB_HALT) { printf("\n"); printf("The operating system has halted.\n"); printf("Please press any key to reboot.\n\n"); cnpollc(1); /* For proper keyboard command handling */ cngetc(); cnpollc(0); } printf("reseting board...\n\n"); /* * Try to use board-specific reset logic, which might involve a better * hardware reset. */ if (board->ab_reboot) board->ab_reboot(); #if 1 /* XXX * For some reason we are leaving the ethernet MAC in a state where * YAMON isn't happy with it. So just call the reset vector (grr, * Alchemy YAMON doesn't have a "reset" command). */ mips_icache_sync_all(); mips_dcache_wbinv_all(); __asm volatile("jr %0" :: "r"(MIPS_RESET_EXC_VEC)); #else printf("%s\n\n", ((howto & RB_HALT) != 0) ? "halted." : "rebooting..."); yamon_exit(boothowto); printf("Oops, back from yamon_exit()\n\nSpinning..."); #endif for (;;) /* spin forever */ ; /* XXX */ /*NOTREACHED*/ }
void cpu_reboot(int howto, char *bootstr) { static int waittime = -1; /* Take a snapshot before clobbering any registers. */ savectx(curpcb); /* If "always halt" was specified as a boot flag, obey. */ if (boothowto & RB_HALT) howto |= RB_HALT; boothowto = howto; /* If system is cold, just halt. */ if (cold) { boothowto |= RB_HALT; goto haltsys; } if ((boothowto & RB_NOSYNC) == 0 && waittime < 0) { waittime = 0; /* * Synchronize the disks.... */ vfs_shutdown(); /* * If we've been adjusting the clock, the todr * will be out of synch; adjust it now. */ resettodr(); } /* Disable interrupts. */ splhigh(); if (boothowto & RB_DUMP) dumpsys(); haltsys: /* Run any shutdown hooks. */ doshutdownhooks(); pmf_system_shutdown(boothowto); #if 0 if ((boothowto & RB_POWERDOWN) == RB_POWERDOWN) if (board && board->ab_poweroff) board->ab_poweroff(); #endif /* * Firmware may autoboot (depending on settings), and we cannot pass * flags to it (at least I haven't figured out how to yet), so * we "pseudo-halt" now. */ if (boothowto & RB_HALT) { printf("\n"); printf("The operating system has halted.\n"); printf("Please press any key to reboot.\n\n"); cnpollc(1); /* For proper keyboard command handling */ cngetc(); cnpollc(0); } printf("reseting board...\n\n"); mips_icache_sync_all(); mips_dcache_wbinv_all(); atheros_reset(); __asm volatile("jr %0" :: "r"(MIPS_RESET_EXC_VEC)); printf("Oops, back from reset\n\nSpinning..."); for (;;) /* spin forever */ ; /* XXX */ /*NOTREACHED*/ }
int cpu_sysctl(int *name, u_int namelen, void *oldp, size_t *oldlenp, void *newp, size_t newlen, struct proc *p) { /* all sysctl names at this level are terminal */ if (namelen != 1) return (ENOTDIR); /* overloaded */ switch (name[0]) { case CPU_CONSDEV: return (sysctl_rdstruct(oldp, oldlenp, newp, &cn_tab->cn_dev, sizeof cn_tab->cn_dev)); default: } return (EOPNOTSUPP); } void cpu_reboot(int howto, char *bootstr) { /* take a snap shot before clobbering any registers */ if (curproc) savectx(curpcb); /* If system is cold, just halt. */ if (cold) { howto |= RB_HALT; goto haltsys; } /* If "always halt" was specified as a boot flag, obey. */ if ((boothowto & RB_HALT) != 0) { howto |= RB_HALT; } #ifdef KLOADER_KERNEL_PATH if ((howto & RB_HALT) == 0) kloader_reboot_setup(KLOADER_KERNEL_PATH); #endif boothowto = howto; if ((howto & RB_NOSYNC) == 0) { /* * Synchronize the disks.... */ vfs_shutdown(); /* * If we've been adjusting the clock, the todr * will be out of synch; adjust it now. */ resettodr(); } /* Disable interrupts. */ splhigh(); /* If rebooting and a dump is requested do it. */ #if notyet if (howto & RB_DUMP) dumpsys(); #endif haltsys: /* run any shutdown hooks */ doshutdownhooks(); /* Finally, halt/reboot the system. */ if (howto & RB_HALT) { printf("halted.\n"); } else { #ifdef KLOADER_KERNEL_PATH kloader_reboot(); /* NOTREACHED */ #endif } #if NHD64465IF > 0 hd64465_shutdown(); #endif cpu_reset(); /*NOTREACHED*/ while(1) ; } /* return # of physical pages. */ int mem_cluster_init(paddr_t addr) { phys_ram_seg_t *seg; int npages, i; /* cluster 0 is always kernel myself. */ mem_clusters[0].start = SH_CS3_START; mem_clusters[0].size = addr - SH_CS3_START; mem_cluster_cnt = 1; /* search CS3 */ #ifdef SH3 /* SH7709A's CS3 is splited to 2 banks. */ if (CPU_IS_SH3) { __find_dram_shadow(addr, SH7709_CS3_BANK0_END); __find_dram_shadow(SH7709_CS3_BANK1_START, SH7709_CS3_BANK1_END); } #endif #ifdef SH4 /* contig CS3 */ if (CPU_IS_SH4) { __find_dram_shadow(addr, SH_CS3_END); } #endif _DPRINTF("mem_cluster_cnt = %d\n", mem_cluster_cnt); npages = 0; for (i = 0, seg = mem_clusters; i < mem_cluster_cnt; i++, seg++) { _DPRINTF("mem_clusters[%d] = {0x%lx+0x%lx <0x%lx}", i, (paddr_t)seg->start, (paddr_t)seg->size, (paddr_t)seg->start + (paddr_t)seg->size); npages += sh3_btop(seg->size); #ifdef NARLY_MEMORY_PROBE if (i == 0) { _DPRINTF(" don't check.\n"); continue; } if (__check_dram((paddr_t)seg->start, (paddr_t)seg->start + (paddr_t)seg->size) != 0) panic("D-RAM check failed."); #else _DPRINTF("\n"); #endif /* NARLY_MEMORY_PROBE */ } return (npages); }