示例#1
0
文件: main.c 项目: xieran1988/xcache
int main(int argc, char *argv[])
{
	pcap_t *p;
	struct bpf_program fp;

	if (argc > 1 && strstr(argv[1], ".scap")) {
		FILE *fp = fopen(argv[1], "rb");
		int len;
		static char packet[1*1024*1024];
		xcache_init();
		printf("replay %s\n", argv[1]);
		while (fread(&len, 1, sizeof(len), fp) == sizeof(len)) {
			fread(packet, 1, len, fp);
			xcache_process_packet(packet);
		}
		return 0;
	}

	if (argc > 1 && strstr(argv[1], ".pcap")) {
		xcache_init();
		printf("replay %s\n", argv[1]);
		p = pcap_open_offline(argv[1], NULL);
		direct = 1;
		pcap_loop(p, -1, process_pcap, NULL);
		return 0;
	}

	if (getenv("cap"))
		cap = atoi(getenv("cap"));

	if (cap == 0) {
		printf("capture=pcap\n");
		xinit();
		p = pcap_open_live("eth1", BUFSIZ, 1, 1000, NULL);
		pcap_compile(p, &fp, "port 80", 0, 0);
		pcap_setfilter(p, &fp);
		pcap_loop(p, -1, process_pcap, NULL);
		return 1;
	}

	if (cap == 1) {
		printf("capture=raw\n");
		xinit();
		raw_loop();
		xexit();
	}

	printf("unknown mode\n");

	return 1;
}
示例#2
0
文件: main.c 项目: 99years/plan9
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();
}
示例#3
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();
}
HTTPChunkedStreamBuf::HTTPChunkedStreamBuf(std::ostream &os, long chunklength, Allocator *alloc)
	: fAllocator(alloc ? alloc : coast::storage::Current())
	, fStore(chunklength, fAllocator)
	, fOs(&os)
	, fBufSize(chunklength)
{
	xinit();
}
示例#5
0
void NR::simpr(Vec_I_DP &y, Vec_I_DP &dydx, Vec_I_DP &dfdx, Mat_I_DP &dfdy,
	const DP xs, const DP htot, const int nstep, Vec_O_DP &yout,
	void derivs(const DP, Vec_IO_DP &, Vec_O_DP &))
{
        const int NMAX=61000;
        Vec_INT ija(NMAX);
        Vec_DP sa(NMAX);
	double sa_a[NMAX];
	int ija_a[NMAX];
	int i,nn,RAZMER;
	DP d,h,x;
        const int ITOL=2,ITMAX=75;
        const DP TOL=1.0e-9;
        int ii,iter;
        DP err;

	int n=y.size();
	Vec_INT indx(n);
	Vec_DP del(n),ytemp(n),xinit(n);
	h=htot/nstep;
        NR::sprsin(dfdy,1.e-9,sa,ija);
		RAZMER = (ija[n]-1);
		for(i=0;i<RAZMER;i++) {ija_a[i]=ija[i]; sa_a[i] = -h*sa[i];}
		for (i=0;i<n;i++) ++sa_a[i];// a[i][j] = -h*dfdy[i][j];

//	ludcmp(a,indx,d);
	for (i=0;i<n;i++){ xinit[i] = 0.;
		yout[i]=h*(dydx[i]+h*dfdx[i]);}
	ija_p=new Vec_INT(ija_a,NMAX);
        sa_p=new Vec_DP(sa_a,NMAX);
	NR::linbcg(yout,xinit,ITOL,TOL,ITMAX,iter,err);
//	lubksb(a,indx,yout);
	for (i=0;i<n;i++)
		ytemp[i]=y[i]+(del[i]=yout[i]=xinit[i]);
	x=xs+h;
	derivs(x,ytemp,yout);
	for (nn=2;nn<=nstep;nn++) {
		for (i=0;i<n;i++)
			yout[i]=h*yout[i]-del[i];
	NR::linbcg(yout,xinit,ITOL,TOL,ITMAX,iter,err);
//		lubksb(a,indx,yout);
		for (i=0;i<n;i++) ytemp[i] += (del[i] += 2.0*(yout[i]=xinit[i]));
		x += h;
		derivs(x,ytemp,yout);
	}
	for (i=0;i<n;i++)
		yout[i]=h*yout[i]-del[i];
	NR::linbcg(yout,xinit,ITOL,TOL,ITMAX,iter,err);
//	lubksb(a,indx,yout);
	for (i=0;i<n;i++)
		yout[i] = xinit[i] + ytemp[i];
        delete sa_p;
        delete ija_p;
}
示例#6
0
文件: main.c 项目: mischief/9problems
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 */
}
示例#7
0
文件: main.c 项目: Nurb432/plan9front
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();
}
示例#8
0
文件: main.c 项目: 8l/inferno
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();
}
示例#9
0
文件: main.c 项目: 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();
}
示例#10
0
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();
}
示例#11
0
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 (;;);
}
示例#12
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();
}
示例#13
0
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");
}
示例#14
0
/*
 * 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");
}
示例#15
0
void
do_login(void)
{
register int i;
register int users;
register char *name;
register struct tm *ltm;
register struct user *tmpuser = 0;
register int wrong = 0;
register char *bbsname;
char pas[9];
char temp[128];
char myname[MAXALIAS + 1];

  printf("\nDOC (Dave's Own version of Citadel) Version 1.71\n\nWelcome to the ISCA BBS.\n\n%s", (bbsname = getenv("BBSNAME")) ? "" : "\nLogin as 'Guest' to just look around, or 'New' to create a new account.\n\n");

  for (;;)
  {
    guest = 0;

    if (!bbsname)
      name = get_name("Name: ", 1);
    else
      strcpy(name = myname, bbsname);

    if (strcmp(name, "New"))
    {
      if ((tmpuser = getuser(name)))
        freeuser(tmpuser);
      if (tmpuser && (!bbsname || tty) && strcmp(name, "Guest"))
        get_string("Password: "******"Incorrect login.\n");
	else
	  printf("There is no user %s on this BBS.\n", name);
        if (++wrong > 3 || bbsname)
        {
	  if (!bbsname)
            printf("\n\nToo many attempts.  Goodbye.\n");
          my_exit(3);
        }
        flush_input(wrong);
        continue;
      }
      else
      {
        xinit();
	if (ouruser->keytime)
	{     
	  printf("\n\n\nYou have not yet registered your validation key...\n\n");
	  dokey(ouruser);
	  if (ouruser->keytime && ouruser->f_trouble)
	  {
	    printf("\n\nYou will need to enter your validation key before you may gain access to the\nBBS.  If you have not yet received your key and think you should, you may send\nE-mail to [email protected].  Please include your BBS username in this\nE-mail so the sysop who receives it knows who you are.  Remember that it can\ntake several days from the time your account was originally created for the\nsysops to validate the information you have provided, if it has been less than\nfour days since you created your account please do not send E-mail yet, as it\nlikely they haven't finished with your account yet.  Impatience won't make them\nwork any faster, and quite likely will make them decide to make you a special\ncase and work slower!  Remember, this BBS is a privilege, not a right.\n\n\n");
	    my_exit(15);
	  }
	}

	printf("\nIowa Student Computer Association BBS.\n");

	if (ouruser->f_deleted)
        {
	  if (ouruser->f_namechanged)
	    printf("\a\nThis account has been marked for deletion because of a request to change the\nusername from '%s' to '%s'.\n\nYou may login as '%s' using the same password.\n\n", ouruser->name, ouruser->reminder, ouruser->reminder);
          else
            printf("\a\nThis account has been marked for deletion, either through your choice or\nbecause you violated ISCA BBS rules by doing something such as providing\nobviously bogus profile info.  You will be logged off.\n\n");
          my_exit(10);
        }
	else if (ouruser->f_inactive)
        {
          printf("You seem to have been denied access to the message system.\n");
          printf("Please contact ISCA (e-mail address [email protected]) for more.\n");
          my_exit(10);
        }


	i = ouruser->time;
        ltm = localtime(&ouruser->time);
        users = add_loggedin(ouruser);

        if (!guest && ouruser->time)
        {
	  printf("Last on: %d/%d/%d %d:%02d ", ltm->tm_mon + 1,
                 ltm->tm_mday, 1900 + ltm->tm_year, ltm->tm_hour, ltm->tm_min);
          ltm = localtime(&ouruser->timeoff);
	  if (ouruser->timeoff >= i)
            printf("until %d:%02d from %s\n", ltm->tm_hour, ltm->tm_min, ouruser->remote);
	  else
	    printf("from %s\n", ouruser->remote);
        }

        strcpy(ouruser->loginname, ARGV[1] && ARGV[2] ? ARGV[2] : "");
        strncpy(ouruser->remote, ARGV[1] ? ARGV[1] : "local", sizeof ouruser->remote - 1);

        if (ouruser->f_noclient)
	{
	  printf("\n\nYou have been disallowed use of the BBS client, you must login using telnet.\n\n");
	  my_exit(10);
	}

	sprintf(temp, "%s %s%s%s/%d", client ? "CLIENT" : "LOGIN", ARGV[1] && ARGV[2] ? ARGV[2] : "", ARGV[1] && ARGV[2] ? "@" : "", ouruser->remote, mybtmp->remport);
	logevent(temp);

	++ouruser->timescalled;

	if (!guest)
	  printf("This is call %d.  There are %d users.\n", ouruser->timescalled, users);
        if (ouruser->f_aide)
           validate_users(0);

	/*
	 * Turn off expresses and tell the user this was done if user is
	 * configured for this 
	 */
	if (!guest && mybtmp->xstat)
	  printf("\nNOTE:  You have eXpress messages turned OFF as a default!\n");
        if (mybtmp->elf)
          printf("\nYou are marked as available to help others.\n");

	checkmail(FALSE);

	termset();

        if (*ouruser->reminder)
        {
          printf("\n\aREMINDER:\n%s\n\n", ouruser->reminder);
          printf("Please hit 'Y' to acknowledge having seen this reminder -> ");
          get_single_quiet("yY");
        }

	if (ouruser->f_badinfo || ouruser->f_duplicate)
	{
	  help("badinfo", NO);
	  mysleep(300);
	}

	if (guest)
	{
	  help("guestwelcome", NO);
	  hit_return_now();
	}
	return;
      }
    }
    else
      if (!(i = new_user()))
      {
	printf("\n\nSorry, there was some problem setting up your BBS account.\n\nPlease try again later.\n\n");
        my_exit(10);
      }
      else if (i > 0)
        return;
  }
}
示例#16
0
文件: main.c 项目: 99years/plan9
/*
 * 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);
}
示例#17
0
文件: main.c 项目: Nurb432/plan9front
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();
}