Dear Terry,

>See /usr/src/sys/kernel.h. It is done using link= er sets and
>SYSINIT.
Hmm=A1=AD. Thank you!
I find the mi_sta= rtup() function in /sys/kern/init_main.c, there are some code as follow:<= BR>for (sipp =3D sysinit; sipp < sysinit_end; sipp++) {
  = ;if ((*sipp)->subsystem =3D=3D SI_SUB_DUMMY)
   cont= inue; /* skip dummy task(s)*/
  if ((*sipp)->subsyst= em =3D=3D SI_SUB_DONE)
   continue;
  /* C= all function */
  (*((*sipp)->func))((*sipp)->udata);<= BR>  /* Check off the one we're just done */
  (*s= ipp)->subsystem =3D SI_SUB_DONE;
  /* Check if we've inst= alled more sysinit items via KLD */
  if (newsysinit !=3D NU= LL) {
   if (sysinit !=3D SET_BEGIN(sysinit_set))
&n= bsp;   free(sysinit, M_TEMP);
   sysinit= =3D newsysinit;
   sysinit_end =3D newsysinit_end;
=    newsysinit =3D NULL;
   newsysinit_en= d =3D NULL;
   goto restart;
  }
= }
Now, I am puzzled about the function pointer(func), which is how to = work.
For example, I have a NIC =A1=AEfxp0=A1=AF, so the function poi= nter should point to the fxp_attach?
If that is right, I want to know = how the kernel call the mi_startup()?

Best R= egards

Ouyang Kai

Get more from the Web. FREE MSN Exp= lorer download : http://explorer.msn.= com

------=_NextPart_002_0003_01C24228.A5C680D0-- ------=_NextPart_001_0002_01C24228.A5C40FD0 Content-Type: text/plain; name="kernel_init_problem.txt" Content-Disposition: attachment; filename="kernel_init_problem.txt" Content-Transfer-Encoding: quoted-printable Dear Terry >See /usr/src/sys/kernel.h. It is done using linker sets and >SYSINIT. Hmm=A1=AD. Thank you! I find the mi_startup() function in /sys/kern/init_main.c, there are some= code as follow: for (sipp =3D sysinit; sipp < sysinit_end; sipp++) { if ((*sipp)->subsystem =3D=3D SI_SUB_DUMMY) continue; /* skip dummy task(s)*/ if ((*sipp)->subsystem =3D=3D SI_SUB_DONE) continue; /* Call function */ (*((*sipp)->func))((*sipp)->udata); /* Check off the one we're just done */ (*sipp)->subsystem =3D SI_SUB_DONE; /* Check if we've installed more sysinit items via KLD */ if (newsysinit !=3D NULL) { if (sysinit !=3D SET_BEGIN(sysinit_set)) free(sysinit, M_TEMP); sysinit =3D newsysinit; sysinit_end =3D newsysinit_end; newsysinit =3D NULL; newsysinit_end =3D NULL; goto restart; } } Now, I am puzzled about the function pointer(func), which is how to work.= =20 For example, I have a NIC =A1=AEfxp0=A1=AF, so the function pointer shoul= d point to the fxp_attach? Best Regards Ouyang Kai If that is right, I want to know how the kernel call the mi_startup()? ------=_NextPart_001_0002_01C24228.A5C40FD0-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message