static void printfunc(Testcase *t) { int i; char buf[64]; Vec *v; Val *p; v = t->vals; printvaltype(t->ret); printf("\n"); printf("f("); for(i = 0; i < v->len; i++) { p = vecget(v, i); printvaltype(p); printf(" p%d%s", i, (i == v->len - 1) ? "" : ", "); } printf(")\n"); printf("{\n"); printf("\t"); printvaltype(t->ret); printf(" r;\n"); printinit("r", t->ret); for(i = 0; i < v->len; i++) { p = vecget(v, i); snprintf(buf, sizeof(buf), "p%d", i); printcheck(buf, p); } printf("\treturn r;\n"); printf("}\n"); }
static void printmain(Testcase *t) { Vec *v; Val *p; char buf[64]; int i; v = t->vals; printf("int\n"); printf("main()\n"); printf("{\n"); printf("\t"); printvaltype(t->ret); printf(" r;\n"); for(i = 0; i < v->len; i++) { p = vecget(v, i); printf("\t"); printvaltype(p); printf(" p%d;\n", i); } for(i = 0; i < v->len; i++) { p = vecget(v, i); snprintf(buf, sizeof(buf), "p%d", i); printinit(buf, p); } printf("\tr = f("); for(i = 0; i < v->len; i++) { printf("p%d%s", i, (i == v->len - 1) ? "" : ", "); } printf(");\n"); printcheck("r", t->ret); printf("\treturn 0;\n"); printf("}\n"); }
void main(void) { memset(edata, 0, (ulong)end-(ulong)edata); conf.nmach = 1; machinit(); confinit(); xinit(); trapinit(); mmuinit(); plan9iniinit(); hwintrinit(); clockinit(); timerinit(); console(); quotefmtinstall(); printinit(); cpuidprint(); print("\nPlan 9 from Bell Labs\n"); procinit0(); initseg(); timersinit(); links(); chandevreset(); pageinit(); swapinit(); sharedseginit(); fpsave(&initfp); initfp.fpscr = 0; userinit(); schedinit(); }
void main(void) { cgapost(0); mach0init(); options(); ioinit(); i8250console(); quotefmtinstall(); screeninit(); print("\nPlan 9\n"); trapinit0(); mmuinit0(); kbdinit(); i8253init(); cpuidentify(); meminit(); confinit(); archinit(); if(!isa20on()) panic("bootstrap didn't leave a20 address line enabled"); xinit(); if(i8237alloc != nil) i8237alloc(); trapinit(); printinit(); cpuidprint(); mmuinit(); fpsavealloc(); if(arch->intrinit) /* launches other processors on an mp */ arch->intrinit(); timersinit(); mathinit(); kbdenable(); if(arch->clockenable) arch->clockenable(); procinit0(); initseg(); if(delaylink){ bootlinks(); pcimatch(0, 0, 0); }else links(); conf.monitor = 1; chandevreset(); cgapost(0xcd); pageinit(); i8253link(); swapinit(); userinit(); active.thunderbirdsarego = 1; cgapost(0x99); schedinit(); }
void main(void) { extern char edata[], end[]; uint rev; okay(1); m = (Mach*)MACHADDR; memset(edata, 0, end - edata); /* clear bss */ machinit(); mmuinit1(); optionsinit("/boot/boot boot"); quotefmtinstall(); ataginit((Atag*)BOOTARGS); confinit(); /* figures out amount of memory */ xinit(); uartconsinit(); screeninit(); print("\nPlan 9 from Bell Labs\n"); rev = getfirmware(); print("firmware: rev %d\n", rev); if(rev < Minfirmrev){ print("Sorry, firmware (start.elf) must be at least rev %d (%s)\n", Minfirmrev, Minfirmdate); for(;;) ; } trapinit(); clockinit(); printinit(); timersinit(); cpuidprint(); archreset(); procinit0(); initseg(); links(); chandevreset(); /* most devices are discovered here */ pageinit(); swapinit(); userinit(); gpiomeminit(); schedinit(); assert(0); /* shouldn't have returned */ }
void main(void) { hwrpb = (Hwrpb*)0x10000000; hwrpb = (Hwrpb*)(KZERO|hwrpb->phys); arginit(); machinit(); options(); ioinit(); clockinit(); confinit(); archinit(); xinit(); memholes(); if(i8237alloc != nil) i8237alloc(); mmuinit(); if(arch->coreinit) arch->coreinit(); trapinit(); screeninit(); printinit(); /* it's now safe to print */ /* dumpopts(); /* DEBUG */ i8250console(); quotefmtinstall(); print("\nPlan 9\n"); cpuidprint(); if(arch->corehello) arch->corehello(); procinit0(); initseg(); timersinit(); links(); chandevreset(); pageinit(); swapinit(); savefpregs(&initfp); initfp.fpstatus = 0x68028000; userinit(); schedinit(); }
void main(void) { machinit(); trapinit(); quotefmtinstall(); confinit(); xinit(); mmuinit(); intrinit(); clockinit(); printinit(); screeninit(); ioinit(); doc("ioinit..."); ns16552install(); poolsizeinit(); doc("ns16552install..."); kbdinit(); doc("kbdinit..."); cacheinit(); doc("cacheinit..."); procinit(); doc("procinit..."); putphys(MID, 0x1F<<16); /* enable arbitration */ links(); doc("links"); chandevreset(); doc("chandevreset..."); print("\nInferno Operating System\n"); print("%s-%s \n\n",VERSION, conffile); print("JIT Compilation Mode = %d\n",cflag); userinit(); doc("userinit..."); /* clear pending processor interrupts */ putphys(PROCINTCLR, (~0<<17)|(1<<15)); print("berore schedinit\n"); schedinit(); }
void main(void) { machinit(); options(); archinit(); quotefmtinstall(); confinit(); cpminit(); xinit(); poolsizeinit(); trapinit(); mmuinit(); printinit(); uartinstall(); serialconsole(); doc("screeninit"); screeninit(); doc("kbdinit"); kbdinit(); doc("clockinit"); clockinit(); doc("procinit"); procinit(); cpuidprint(); doc("links"); links(); doc("chandevreset"); chandevreset(); eve = strdup("inferno"); print("\nInferno %s\n", VERSION); print("Vita Nuova\n"); print("conf %s (%lud) jit %d\n\n",conffile, kerndate, cflag); doc("userinit"); userinit(); doc("schedinit"); schedinit(); }
static void printinit(char *sel, Val *p) { Val *mem; char buf[128]; int i; switch(p->t) { case CHAR: printf("\t%s = %d;\n", sel, p->Cchar.v); break; case SHORT: printf("\t%s = %d;\n", sel, p->Cshort.v); break; case INT: printf("\t%s = %d;\n", sel, p->Cint.v); break; case LONG: printf("\t%s = %ld;\n", sel, p->Clong.v); break; case LLONG: printf("\t%s = %lld;\n", sel, p->Cllong.v); break; case FLOAT: printf("\t%s = %f;\n", sel, p->Cfloat.v); break; case DOUBLE: printf("\t%s = %f;\n", sel, p->Cdouble.v); break; case STRUCT: for(i = 0; i < p->Cstruct.members->len; i++) { mem = vecget(p->Cstruct.members, i); snprintf(buf, sizeof(buf), "%s.m%d", sel, i); printinit(buf, mem); } break; default: panic("internal error"); } }
void main(void) { mmuinvalidate(); /* zero out bss */ memset(edata, 0, end-edata); /* point to Mach structure */ m = (Mach*)MACHADDR; memset(m, 0, sizeof(Mach)); m->ticks = 1; active.machs = 1; rs232power(1); quotefmtinstall(); iprint("\nPlan 9 bitsy kernel\n"); confinit(); xinit(); mmuinit(); machinit(); trapinit(); sa1110_uartsetup(1); dmainit(); screeninit(); printinit(); /* from here on, print works, before this we need iprint */ clockinit(); procinit0(); initseg(); links(); chandevreset(); pageinit(); swapinit(); userinit(); powerinit(); schedinit(); }
/* * entered from l.s with mmu enabled. * * we may have to realign the data segment; apparently 5l -H0 -R4096 * does not pad the text segment. on the other hand, we may have been * loaded by another kernel. * * be careful not to touch the data segment until we know it's aligned. */ void main(Mach* mach) { extern char bdata[], edata[], end[], etext[]; static ulong vfy = 0xcafebabe; m = mach; if (vfy != 0xcafebabe) memmove(bdata, etext, edata - bdata); if (vfy != 0xcafebabe) { wave('?'); panic("misaligned data segment"); } memset(edata, 0, end - edata); /* zero bss */ vfy = 0; wave('9'); machinit(); archreset(); mmuinit(); optionsinit("/boot/boot boot"); quotefmtinstall(); archconsole(); wave(' '); /* want plan9.ini to be able to affect memory sizing in confinit */ plan9iniinit(); /* before we step on plan9.ini in low memory */ /* set memsize before xinit */ confinit(); /* xinit would print if it could */ xinit(); /* * Printinit will cause the first malloc call. * (printinit->qopen->malloc) unless any of the * above (like clockintr) do an irqenable, which * will call malloc. * If the system dies here it's probably due * to malloc(->xalloc) not being initialised * correctly, or the data segment is misaligned * (it's amazing how far you can get with * things like that completely broken). * * (Should be) boilerplate from here on. */ trapinit(); clockinit(); printinit(); uartkirkwoodconsole(); /* only now can we print */ print("from Bell Labs\n\n"); #ifdef CRYPTOSANDBOX print("sandbox: 64K at physical %#lux, mapped to 0xf10b0000\n", PADDR((uintptr)sandbox & ~(BY2PG-1))); #endif archconfinit(); cpuidprint(); timersinit(); procinit0(); initseg(); links(); chandevreset(); /* most devices are discovered here */ spiprobe(); pageinit(); swapinit(); userinit(); schedinit(); panic("schedinit returned"); }
void main(void) { // int i; extern char bdata[], edata[], end[], etext[]; static ulong vfy = 0xcafebabe; /* l.s has already printed "Plan 9 from Be" */ // m = mach; /* now done in l.s */ /* realign data seg; apparently -H0 -R4096 does not pad the text seg */ if (vfy != 0xcafebabe) { // wave('<'); wave('-'); memmove(bdata, etext, edata - bdata); } /* * once data segment is in place, always zero bss since we may * have been loaded by another Plan 9 kernel. */ memset(edata, 0, end - edata); /* zero BSS */ cacheuwbinv(); l2cacheuwbinv(); if (vfy != 0xcafebabe) panic("data segment misaligned"); vfy = 0; wave('l'); machinit(); mmuinit(); optionsinit("/boot/boot boot"); quotefmtinstall(); /* want plan9.ini to be able to affect memory sizing in confinit */ plan9iniinit(); /* before we step on plan9.ini in low memory */ trapinit(); /* so confinit can probe memory to size it */ confinit(); /* figures out amount of memory */ /* xinit prints (if it can), so finish up the banner here. */ delay(500); iprint("l Labs\n\n"); delay(500); xinit(); mainmem->flags |= POOL_ANTAGONISM /* | POOL_PARANOIA */ ; /* * Printinit will cause the first malloc call. * (printinit->qopen->malloc) unless any of the * above (like clockinit) do an irqenable, which * will call malloc. * If the system dies here it's probably due * to malloc(->xalloc) not being initialised * correctly, or the data segment is misaligned * (it's amazing how far you can get with * things like that completely broken). * * (Should be) boilerplate from here on. */ archreset(); /* configure clock signals */ clockinit(); /* start clocks */ timersinit(); watchdoginit(); delay(250); /* let uart catch up */ printinit(); // kbdenable(); cpuidprint(); // chkmissing(); procinit0(); initseg(); dmainit(); links(); conf.monitor = 1; screeninit(); chandevreset(); /* most devices are discovered here */ // i8250console(); /* too early; see init0 */ pageinit(); swapinit(); userinit(); schedinit(); }
void main(void) { uint32 nrftx = 0, nrxuf = 0; int i = 0; static __xdata Rcall c; uint8 state = Idle; uint8 waitflag = 0, clearflag = 0; uint8 laststate, lastflag, lastMARCSTATE; laststate = state; lastflag = flag; lastMARCSTATE = MARCSTATE; memset(&curcall, 0, sizeof curcall); SLEEP &= ~SLEEP_OSC_PD; await(SLEEP & SLEEP_XOSC_S); CLKCON = (CLKCON & ~(CLKCON_CLKSPD | CLKCON_OSC)) | CLKSPD_DIV_1; await(!(CLKCON & CLKCON_OSC)); SLEEP |= SLEEP_OSC_PD; await(SLEEP & SLEEP_XOSC_S); P1DIR |= LEDBITS; printinit(); srvinit(); rfinit(); GREEN = RED = 0; // Enables interrupts. (Go go go) EA = 1; wdinit(); dprint("pingrf started.\n"); srvrx(); for(;;){ wdreset(); if(flag&Fpanic){ GREEN = 0; RED = 0; for(;;){ RED ^= 1; sleep(1000); /* TODO: reset */ } } if((flag&clearflag) != 0) flag &= ~(flag&clearflag); switch(state){ case Idle: if(peekcall()->type == Nop) break; nextcall(&c); waitflag = clearflag = 0; call(&c, &state, &waitflag, &clearflag); break; case Reply: reply(&c); state = Replying; break; case Replying: if(flag&Ftxcall){ flag &= ~Ftxcall; state = Idle; } // GREEN=1; break; default: if((flag&waitflag) != 0){ waitflag = flag&waitflag; flag &= ~waitflag; call(&c, &state, &waitflag, &clearflag); } /* if((flag&waitflag)==waitflag){ flag &= ~waitflag; call(&c, &state, &waitflag, &clearflag); } */ break; } #ifdef DEBUG if((i++%100000 == 0) || (flag != lastflag || state != laststate | lastMARCSTATE != MARCSTATE)){ //__critical { wdreset(); switch(state){ case Idle: dprint("idle"); break; case Replying: case Reply: dprint("replying %d", c.type); break; default: dprint("handling(%d) %d", state, c.type);; break; } lastflag = flag; laststate = state; lastMARCSTATE = MARCSTATE; dprint(" flag="); printflag(flag); dprint(" waitflag="); printflag(waitflag); dprint(" radio=%s\n", strmarcstate(lastMARCSTATE)); // dprint(" flag=%F waitflag=%F radio=%S\n", flag, waitflag, lastMARCSTATE); // // putchar('.'); // putchar('\n'); //} } #endif } }
void main() { uint j=0,i=0,k=0; uint rev; ulong pc; pc = getpc(); pl011_addr((void *)pc, 1); pl011_puts("Entered main() at "); pl011_addr(&main, 0); pl011_puts(" with SP="); pl011_addr((void *)getsp(), 0); pl011_puts(" with SC="); pl011_addr((void *)getsc(), 0); pl011_puts(" with CPSR="); pl011_addr((void *)getcpsr(), 0); pl011_puts(" with SPSR="); pl011_addr((void *)getspsr(), 1); pl011_puts("Clearing Mach: "); memset(m, 0, sizeof(Mach)); pl011_addr((char *)m, 0); pl011_puts("-"); pl011_addr((char *)(m+1), 1); pl011_puts("Clearing edata: "); memset(edata, 0, end-edata); pl011_addr((char *)&edata, 0); pl011_puts("-"); pl011_addr((char *)&end, 1); conf.nmach = 1; quotefmtinstall(); confinit(); mmuinit1(); xinit(); poolinit(); poolsizeinit(); //uartconsinit(); screeninit(); trapinit(); timersinit(); clockinit(); printinit(); swcursorinit(); rev = getfirmware(); print("\nARM %ld MHz id %8.8lux firmware: rev %d, mem: %ld\n" ,(m->cpuhz+500000)/1000000, getcpuid(), rev, conf.topofmem/MB); print("Inferno OS %s Vita Nuova\n", VERSION); print("Ported to Raspberry Pi (BCM2835) by LynxLine\n\n"); procinit(); links(); chandevreset(); eve = strdup("inferno"); userinit(); schedinit(); pl011_puts("to inifinite loop\n\n"); for (;;); }
void main(void) { int machno; /* entry to main pushed stuff onto the stack. */ // memset(edata, 0, (ulong)end-(ulong)edata); machno = getpir(); if (machno > 0) startcpu(machno); // dcrcompile(); if (dverify != 0x01020304) { uartlputs("data segment not initialised\n"); panic("data segment not initialised"); } if (bverify != 0) { uartlputs("bss segment not zeroed\n"); panic("bss segment not zeroed"); } mach0init(); archreset(); quotefmtinstall(); optionsinit("/boot/boot boot"); // archconsole(); meminit(); confinit(); mmuinit(); xinit(); /* xinit would print if it could */ trapinit(); qtminit(); ioinit(); uncinit(); printinit(); uartliteconsole(); mainmem->flags |= POOL_ANTAGONISM; mainmem->panic = mypanic; ethermedium.maxtu = 1512; /* must be multiple of 4 for temac's dma */ // print("\n\nPlan 9k H\n"); /* already printed by l.s */ plan9iniinit(); timersinit(); clockinit(); dma0init(); /* does not start kprocs; see init0 */ fpuinit(); procinit0(); initseg(); links(); chandevreset(); okprint = 1; /* only now can we print */ barriers(); dcflush((uintptr)&okprint, sizeof okprint); cpuidprint(); print("%d Hz clock", HZ); print("; memory size %,ud (%#ux)\n", (uint)memsz, (uint)memsz); pageinit(); swapinit(); userinit(); active.thunderbirdsarego = 1; dcflush((uintptr)&active.thunderbirdsarego, sizeof active.thunderbirdsarego); schedinit(); /* no return */ panic("schedinit returned"); }
void main(void) { Proc *savup; static ulong vfy = Datamagic; static char novga[] = "\nno vga; serial console only\n"; savup = up; up = nil; /* m has been set by l32v.s */ /* * disable address wraps at 1MB boundaries. * if we're 9boot, ldecomp.s already did this. */ a20init(); mach0init(); // options(); /* we don't get options passed to us */ ioinit(); /* we later call i8250console after plan9.ini has been read */ i8250config("0"); /* configure serial port 0 with defaults */ quotefmtinstall(); fmtinstall('i', eipfmt); fmtinstall('I', eipfmt); fmtinstall('E', eipfmt); fmtinstall('V', eipfmt); fmtinstall('M', eipfmt); screeninit(); /* cga setup */ cgapost(0xc); trapinit0(); mmuinit0(); kbdinit(); i8253init(); cpuidentify(); readlsconf(); meminit(); confinit(); archinit(); xinit(); if(i8237alloc != nil) i8237alloc(); /* dma (for floppy) init */ trapinit(); printinit(); sanity(); cgapost(1); /* * soekris servers have no built-in video but each has a serial port. * they must see serial output, if any, before cga output because * otherwise the soekris bios will translate cga output to serial * output, which will garble serial console output. */ pcimatch(nil, 0, 0); /* force scan of pci table */ if (!pcivga) { screenputs = nil; uartputs(novga, sizeof novga - 1); } print(" %s\n\n", hellomsg); if (vfy != Datamagic) panic("data segment incorrectly aligned or loaded"); if (savup) print("up was non-nil (%#p) upon entry to main; bss wasn't zeroed!\n", savup); // xsummary(); cpuidprint(); mmuinit(); if(arch->intrinit) /* launches other processors on an mp */ arch->intrinit(); timersinit(); mathinit(); kbdenable(); /* * 9loadusb runs much faster if we don't use the clock. * perhaps we're competing with the bios for the use of it? */ if(!noclock && arch->clockenable) arch->clockenable(); procinit0(); initseg(); if(delaylink){ bootlinks(); pcimatch(0, 0, 0); }else links(); conf.monitor = 1; cgapost(0xcd); chandevreset(); cgapost(2); pageinit(); /* must follow xinit, and conf.mem must be populated */ i8253link(); userinit(); active.thunderbirdsarego = 1; cgapost(0xb0); schedinit(); }
void main(u32int ax, u32int bx) { vlong hz; memset(edata, 0, end - edata); /* * ilock via i8250enable via i8250console * needs m->machno, sys->machptr[] set, and * also 'up' set to nil. */ cgapost(sizeof(uintptr)*8); memset(m, 0, sizeof(Mach)); m->machno = 0; m->online = 1; m->nixtype = NIXTC; sys->machptr[m->machno] = &sys->mach; m->stack = PTR2UINT(sys->machstk); m->vsvm = sys->vsvmpage; up = nil; active.nonline = 1; active.exiting = 0; active.nbooting = 0; asminit(); multiboot(ax, bx, 0); options(oargc, oargv); crapoptions(); /* * Need something for initial delays * until a timebase is worked out. */ m->cpuhz = 2000000000ll; m->cpumhz = 2000; cgainit(); i8250console("0"); consputs = cgaconsputs; vsvminit(MACHSTKSZ, NIXTC); conf.nmach = 1; fmtinit(); print("\nNIX\n"); if(vflag){ print("&ax = %#p, ax = %#ux, bx = %#ux\n", &ax, ax, bx); multiboot(ax, bx, vflag); } m->perf.period = 1; if((hz = archhz()) != 0ll){ m->cpuhz = hz; m->cyclefreq = hz; m->cpumhz = hz/1000000ll; } /* * Mmuinit before meminit because it * flushes the TLB via m->pml4->pa. */ mmuinit(); ioinit(); kbdinit(); meminit(); confinit(); archinit(); mallocinit(); /* * Acpiinit will cause the first malloc * call to happen. * If the system dies here it's probably due * to malloc not being initialised * correctly, or the data segment is misaligned * (it's amazing how far you can get with * things like that completely broken). */ acpiinit(); umeminit(); trapinit(); printinit(); /* * This is necessary with GRUB and QEMU. * Without it an interrupt can occur at a weird vector, * because the vector base is likely different, causing * havoc. Do it before any APIC initialisation. */ i8259init(32); procinit0(); mpsinit(maxcores); apiconline(); sipi(); timersinit(); kbdenable(); fpuinit(); psinit(conf.nproc); initimage(); links(); devtabreset(); pageinit(); swapinit(); userinit(); nixsquids(); testiccs(); print("schedinit...\n"); schedinit(); }
/* * at entry, l.s has set m for cpu0 and printed "Plan 9 from Be" * but has not zeroed bss. */ void main(void) { int cpu; static ulong vfy = 0xcafebabe; up = nil; if (vfy != 0xcafebabe) { serialputc('?'); serialputc('d'); panic("data segment misaligned"); } memset(edata, 0, end - edata); /* * we can't lock until smpon has run, but we're supposed to wait * until l1 & l2 are on. too bad. l1 is on, l2 will soon be. */ smpon(); iprint("ll Labs "); cacheinit(); /* * data segment is aligned, bss is zeroed, caches' characteristics * are known. begin initialisation. */ mach0init(); l2pageinit(); mmuinit(); optionsinit("/boot/boot boot"); quotefmtinstall(); /* want plan9.ini to be able to affect memory sizing in confinit */ plan9iniinit(); /* before we step on plan9.ini in low memory */ /* l2 looks for *l2off= in plan9.ini */ l2cache->on(); /* l2->on requires locks to work, thus smpon */ l2cache->info(&cachel[2]); allcache->on(); cortexa9cachecfg(); trapinit(); /* so confinit can probe memory to size it */ confinit(); /* figures out amount of memory */ /* xinit prints (if it can), so finish up the banner here. */ delay(100); navailcpus = getncpus(); iprint("(mp arm; %d cpus)\n\n", navailcpus); delay(100); for (cpu = 1; cpu < navailcpus; cpu++) stopcpu(cpu); xinit(); irqtooearly = 0; /* now that xinit and trapinit have run */ mainmem->flags |= POOL_ANTAGONISM /* | POOL_PARANOIA */ ; /* * Printinit will cause the first malloc call. * (printinit->qopen->malloc) unless any of the * above (like clockinit) do an irqenable, which * will call malloc. * If the system dies here it's probably due * to malloc(->xalloc) not being initialised * correctly, or the data segment is misaligned * (it's amazing how far you can get with * things like that completely broken). * * (Should be) boilerplate from here on. */ archreset(); /* cfg clock signals, print cache cfg */ clockinit(); /* start clocks */ timersinit(); delay(50); /* let uart catch up */ printinit(); kbdenable(); cpuidprint(); chkmissing(); procinit0(); initseg(); // dmainit(); links(); conf.monitor = 1; // screeninit(); iprint("pcireset..."); pcireset(); /* this tends to hang after a reboot */ iprint("ok\n"); chandevreset(); /* most devices are discovered here */ // i8250console(); /* too early; see init0 */ pageinit(); /* prints "1020M memory: ⋯ */ swapinit(); userinit(); /* * starting a cpu will eventually result in it calling schedinit, * so everything necessary to run user processes should be set up * before starting secondary cpus. */ launchinit(); /* SMP & FW are already on when we get here; u-boot set them? */ for (cpu = 1; cpu < navailcpus; cpu++) if (startcpu(cpu) < 0) panic("cpu%d didn't start", cpu); l1diag(); schedinit(); panic("cpu%d: schedinit returned", m->machno); }