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 init0(void) { int i; char buf[2*KNAMELEN]; up->nerrlab = 0; spllo(); /* * These are o.k. because rootinit is null. * Then early kproc's will have a root and dot. */ up->slash = namec("#/", Atodir, 0, 0); pathclose(up->slash->path); up->slash->path = newpath("/"); up->dot = cclone(up->slash); chandevinit(); if(!waserror()){ snprint(buf, sizeof(buf), "%s %s", arch->id, conffile); ksetenv("terminal", buf, 0); ksetenv("cputype", "386", 0); if(cpuserver) ksetenv("service", "cpu", 0); else ksetenv("service", "terminal", 0); for(i = 0; i < nconf; i++){ if(confname[i][0] != '*') ksetenv(confname[i], confval[i], 0); ksetenv(confname[i], confval[i], 1); } poperror(); } kproc("alarm", alarmkproc, 0); cgapost(0x9); touser(sp); }
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(); }
void main(uint32_t mbmagic, uint32_t mbaddress) { Mach *m = entrym; /* when we get here, entrym is set to core0 mach. */ sys->machptr[m->machno] = m; // Very special case for BSP only. Too many things // assume this is set. wrmsr(GSbase, PTR2UINT(&sys->machptr[m->machno])); if (machp() != m) panic("m and machp() are different!!\n"); assert(sizeof(Mach) <= PGSZ); /* * Check that our data is on the right boundaries. * This works because the immediate value is in code. */ if (x != 0x123456) panic("Data is not set up correctly\n"); memset(edata, 0, end - edata); m = (void *) (KZERO + 1048576 + 11*4096); sys = (void *) (KZERO + 1048576); /* * ilock via i8250enable via i8250console * needs m->machno, sys->machptr[] set, and * also 'up' set to nil. */ cgapost(sizeof(uintptr_t)*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); *(uintptr_t*)m->stack = STACKGUARD; m->vsvm = sys->vsvmpage; m->externup = (void *)0; active.nonline = 1; active.exiting = 0; active.nbooting = 0; asminit(); multiboot(mbmagic, mbaddress, 0); options(oargc, oargv); /* * Need something for initial delays * until a timebase is worked out. */ m->cpuhz = 2000000000ll; m->cpumhz = 2000; cgainit(); i8250console("0"); consputs = cgaconsputs; /* It all ends here. */ vsvminit(MACHSTKSZ, NIXTC, m); if (machp() != m) panic("After vsvminit, m and machp() are different"); sys->nmach = 1; fmtinit(); print("\nHarvey\n"); if(vflag){ multiboot(mbmagic, mbaddress, vflag); } m->perf.period = 1; if((hz = archhz()) != 0ll){ m->cpuhz = hz; m->cyclefreq = hz; m->cpumhz = hz/1000000ll; } //iprint("archhz returns 0x%lld\n", hz); //iprint("NOTE: if cpuidhz runs too fast, we get die early with a NULL pointer\n"); //iprint("So, until that's fixed, we bring up AP cores slowly. Sorry!\n"); /* * Mmuinit before meminit because it * flushes the TLB via m->pml4->pa. */ mmuinit(); ioinit(); meminit(); confinit(); archinit(); mallocinit(); /* test malloc. It's easier to find out it's broken here, * not deep in some call chain. * See next note. * void *v = malloc(1234); hi("v "); put64((uint64_t)v); hi("\n"); free(v); hi("free ok\n"); */ /* * 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). */ if (0){ acpiinit(); hi(" acpiinit();\n");} umeminit(); trapinit(); /* * 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(); /* Forcing to single core if desired */ if(!nosmp) { sipi(); } teardownidmap(m); timersinit(); fpuinit(); psinit(conf.nproc); initimage(); links(); keybinit(); keybenable(); mouseenable(); devtabreset(); pageinit(); swapinit(); userinit(); /* Forcing to single core if desired */ if(!nosmp) { nixsquids(); testiccs(); } print("CPU Freq. %dMHz\n", m->cpumhz); print("schedinit...\n"); schedinit(); }
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(); }