Esempio n. 1
0
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();
}
Esempio n. 2
0
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();
}
Esempio n. 3
0
File: main.c Progetto: 8l/inferno
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();
}
Esempio n. 4
0
File: main.c Progetto: 99years/plan9
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();
}
Esempio n. 5
0
void
main(int argc, char *argv[])
{
	linkarchinit();
	ctxt = linknew(thelinkarch);
	ctxt->thechar = thechar;
	ctxt->thestring = thestring;
	ctxt->diag = diag;
	ctxt->bso = &bso;

	Binit(&bso, 1, OWRITE);
	listinit();
	memset(debug, 0, sizeof(debug));
	nerrors = 0;
	outfile = nil;
	HEADTYPE = -1;
	INITTEXT = -1;
	INITDAT = -1;
	INITRND = -1;
	INITENTRY = 0;
	linkmode = LinkAuto;
	nuxiinit();
	
	if(thechar == '5' && ctxt->goarm == 5)
		debug['F'] = 1;

	flagcount("1", "use alternate profiling code", &debug['1']);
	if(thechar == '6')
		flagcount("8", "assume 64-bit addresses", &debug['8']);
	flagfn1("B", "info: define ELF NT_GNU_BUILD_ID note", addbuildinfo);
	flagint64("D", "addr: data address", &INITDAT);
	flagstr("E", "sym: entry symbol", &INITENTRY);
	if(thechar == '5')
		flagcount("G", "debug pseudo-ops", &debug['G']);
	flagfn1("I", "interp: set ELF interp", setinterp);
	flagfn1("L", "dir: add dir to library path", Lflag);
	flagfn1("H", "head: header type", setheadtype);
	flagcount("K", "add stack underflow checks", &debug['K']);
	if(thechar == '5')
		flagcount("M", "disable software div/mod", &debug['M']);
	flagcount("O", "print pc-line tables", &debug['O']);
	flagcount("Q", "debug byte-register code gen", &debug['Q']);
	if(thechar == '5')
		flagcount("P", "debug code generation", &debug['P']);
	flagint32("R", "rnd: address rounding", &INITRND);
	flagcount("S", "check type signatures", &debug['S']);
	flagint64("T", "addr: text address", &INITTEXT);
	flagfn0("V", "print version and exit", doversion);
	flagcount("W", "disassemble input", &debug['W']);
	flagfn2("X", "name value: define string data", addstrdata);
	flagcount("Z", "clear stack frame on entry", &debug['Z']);
	flagcount("a", "disassemble output", &debug['a']);
	flagcount("c", "dump call graph", &debug['c']);
	flagcount("d", "disable dynamic executable", &debug['d']);
	flagstr("extld", "linker to run in external mode", &extld);
	flagstr("extldflags", "flags for external linker", &extldflags);
	flagcount("f", "ignore version mismatch", &debug['f']);
	flagcount("g", "disable go package data checks", &debug['g']);
	flagstr("installsuffix", "pkg directory suffix", &flag_installsuffix);
	flagstr("k", "sym: set field tracking symbol", &tracksym);
	flagfn1("linkmode", "mode: set link mode (internal, external, auto)", setlinkmode);
	flagcount("n", "dump symbol table", &debug['n']);
	flagstr("o", "outfile: set output file", &outfile);
	flagstr("r", "dir1:dir2:...: set ELF dynamic linker search path", &rpath);
	flagcount("race", "enable race detector", &flag_race);
	flagcount("s", "disable symbol table", &debug['s']);
	if(thechar == '5' || thechar == '6')
		flagcount("shared", "generate shared object (implies -linkmode external)", &flag_shared);
	flagstr("tmpdir", "leave temporary files in this directory", &tmpdir);
	flagcount("u", "reject unsafe packages", &debug['u']);
	flagcount("v", "print link trace", &debug['v']);
	flagcount("w", "disable DWARF generation", &debug['w']);
	
	flagparse(&argc, &argv, usage);
	ctxt->bso = &bso;
	ctxt->debugdivmod = debug['M'];
	ctxt->debugfloat = debug['F'];
	ctxt->debughist = debug['O'];
	ctxt->debugpcln = debug['O'];
	ctxt->debugread = debug['W'];
	ctxt->debugstack = debug['K'];
	ctxt->debugvlog = debug['v'];

	if(argc != 1)
		usage();

	if(outfile == nil) {
		if(HEADTYPE == Hwindows)
			outfile = smprint("%c.out.exe", thechar);
		else
			outfile = smprint("%c.out", thechar);
	}
	libinit(); // creates outfile

	if(HEADTYPE == -1)
		HEADTYPE = headtype(goos);
	ctxt->headtype = HEADTYPE;
	if (headstring == nil)
		headstring = headstr(HEADTYPE);

	archinit();
	ctxt->debugfloat = debug['F'];

	if(debug['v'])
		Bprint(&bso, "HEADER = -H%d -T0x%llux -D0x%llux -R0x%ux\n",
			HEADTYPE, INITTEXT, INITDAT, INITRND);
	Bflush(&bso);

	cbp = buf.cbuf;
	cbc = sizeof(buf.cbuf);

	addlibpath(ctxt, "command line", "command line", argv[0], "main");
	loadlib();
	
	if(thechar == '5') {
		// mark some functions that are only referenced after linker code editing
		if(debug['F'])
			mark(linkrlookup(ctxt, "_sfloat", 0));
		mark(linklookup(ctxt, "runtime.read_tls_fallback", 0));
	}

	deadcode();
	callgraph();
	paramspace = "SP";	/* (FP) now (SP) on output */

	doelf();
	if(HEADTYPE == Hdarwin)
		domacho();
	dostkcheck();
	if(HEADTYPE == Hwindows)
		dope();
	addexport();
	textaddress();
	pclntab();
	symtab();
	dodata();
	address();
	doweak();
	reloc();
	asmb();
	undef();
	hostlink();
	if(debug['v']) {
		Bprint(&bso, "%5.2f cpu time\n", cputime());
		Bprint(&bso, "%d symbols\n", ctxt->nsymbol);
		Bprint(&bso, "%d sizeof adr\n", sizeof(Addr));
		Bprint(&bso, "%d sizeof prog\n", sizeof(Prog));
		Bprint(&bso, "%lld liveness data\n", liveness);
	}
	Bflush(&bso);

	errorexit();
}
Esempio n. 6
0
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();
}
Esempio n. 7
0
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();
}