how to build root filesystem for ixp425

Tue Aug 19 14:33:18 UTC 2008

Hi,

On Tue, 2008-08-19 at 08:17 -0600, M. Warner Losh wrote:

> In message: <1219154042.6821.27.camel at Hellboy>
>             Stavros Markou <stma at antcor.com> writes:
> : Hi,
> : First of all thanks for your help.
> : I don't have setenv (BTW do you know what package do i have to install
> : in order to have it)
> 
> setenv is a builtin for /bin/tcsh.  If you are using /bin/sh, then you
> are correct that you need export.
> 

>>>>> Export does the job as i see it when i give the set command (all
variables seem to be well-set).

> : installed on my freebsd system so i followed your
> : advice and did :
> : export TARGET=arm
> : export TARGET_BIG_ENDIAN=t
> : export TARGET_CPUTYPE=xscale
> : (I am using bash shell)
> : Target Arch is set correctly (arm) and BUILD_ARCH is i386, so i get the
> : error about cross-build and the TARGET_ARCH set.
> 
> That is odd.  What does your environment look like?
> 


>>>>> Meaning ? I am working on an a checked out src from freebsd.org
cvs : TAG : RELENG_7

> : What release are you using for your build?
> 
> I'm using the head of the FreeBSD development branch (aka
> FreeBSD-current).  I've also done this on 7.x stable at least once.
> And did it all the time on 6.x for a little endian ARM processor.

>>> I want to build a filesystem for ixp425 which is big endian
processor. What i don't understand is if a cross-compiler must be
invoked during the process of the make buildworld or not.
If you set the TARGET_BIG_ENDIAN env then i believe and correct me if i
am wrong the -mbig-endian which applies only to arm cross-compiler. Is
this right ?


> 
> : If i am building a distro on
> : an i386 machine for ixp425 (arm) what are the values for TARGET,
> : TARGET_ARCH BUILD_ARCH and why can't i build the distro with the values
> : i am setting (TARGET=arm, TARGET_ARCH=arm, TARGET?
> 
> What does the output of 'sh' say?  Do you set any of these variables
> in /etc/make.conf?
> 

>>>>> I have inside this MACHINE=arm, MACHINE_ARCH=arm, TARGET_ARCH=arm


> Warner
> 
> 
> : Best Regards,
> : 
> : Stavros.
> : 
> : On Tue, 2008-08-19 at 07:24 -0600, M. Warner Losh wrote:
> : 
> : > In message: <1219135149.6821.5.camel at Hellboy>
> : >             Stavros Markou <stma at antcor.com> writes:
> : > : Hi,
> : > : Is there anyone form the developers-authors of the Makefile.inc1 file
> : > : who can explain to me the below :
> : > : 
> : > : I don't understand the check about BUILD_ARCH and TARGET_ARCH or for
> : > : that matter MACHINE_ARCH.
> : > : I think, and let me know if i am wrong, that BUILD_ARCH must be whatever
> : > : is the ARCH of the Host system. If i am right on this then why there is
> : > : this check inside Makefile.inc1 :
> : > : 
> : > : if ${MACHINE_ARCH) != ${BUILD_ARCH}
> : > : .error To cross-build, set TARGET_ARCH.
> : > : .endif
> : > : 
> : > : In my case BUILD_ARCH is i386 and as it is supposed to be (?)
> : > : TARGET_ARCH=arm.
> : > : -mbig-endian option does not apply to i386 gcc only to arm cross
> : > : compiler.
> : > 
> : > setenv TARGET arm
> : > setenv TARGET_BIG_ENDIAN t
> : > 
> : > is all you need.  MACHINE_ARCH is the machine you are building on very
> : > early in the build.  It is soon set to TARGET_ARCH.  BUILD_ARCH
> : > retains the initial value of MACHINE_ARCH.  This check makes sure that
> : > you set TARGET correctly (which causes TARGET_ARCH to be set to the
> : > right value).
> : > 
> : > You can see my blog for complete instructions that work back on both
> : > 7.x and -current (except for the NSLU part):
> : > 
> : > http://bsdimp.blogspot.com/2008/08/nslu2-support-committed-to-freebsdarm.html
> : > 
> : > This was how I built NFS root for my NSLU2.  Earlier posts talk about
> : > how to build root on a CF.  I made one small correction...
> : > 
> : > Warner
> : > 
> : > 
> : > : Best Regards,
> : > : 
> : > : Stavros.
> : > : 
> : > : On Mon, 2008-08-18 at 17:37 +0200, John Hay wrote:
> : > : 
> : > : > On Mon, Aug 18, 2008 at 03:54:03PM +0300, Stavros Markou wrote:
> : > : > > Hi,
> : > : > > 
> : > : > > You are using this script with which release of FreeBSD ? In order to
> : > : > > use this script do you set as tools the cross tools or native i386 (or
> : > : > > any other host arch) ?
> : > : > 
> : > : > I do not need to set anything else for it to work. I do sometimes
> : > : > set things like NO_PROFILE, but that is only to speed things up. It
> : > : > will build the crosstools by itself as needed. You only need a checked
> : > : > out /usr/src tree. The box(es) I run this on are i386 boxes.
> : > : > 
> : > : > Just to check, I started the buildworld line (the first one) on my
> : > : > home box, which is running 7-stable from Aug 17, and it fired up
> : > : > without a problem... It will take a while to finish though, but I do
> : > : > not forsee a problem. I'll send you an email if it does not finish.
> : > : > 
> : > : > > I am using currently 7.0 release p2 and i cannot pass the error with
> : > : > > cross build (keeps telling me to set TARGET_ARCH but it is already set
> : > : > > by me as a command-line option of the make)
> : > : > 
> : > : > I mostly do this on 7-stable, sorry I rarely run releases and never pX
> : > : > releases. I also often do it on current and it has been a while since
> : > : > I have done it on 6-stable.
> : > : > 
> : > : > Thinking about it, maybe you should remove all your env settings,
> : > : > and then try just that buildworld line of mine. If that does not work,
> : > : > clean out your /usr/obj and usr/src directories and get a new copy of
> : > : > /usr/src and try again. If it then still do not work, show us the
> : > : > error message.
> : > : > 
> : > : > > On Mon, 2008-08-18 at 14:49 +0200, John Hay wrote:
> : > : > > 
> : > : > > > On Mon, Aug 18, 2008 at 11:42:26AM +0300, Stavros Markou wrote:
> : > : > > > > Hi,
> : > : > > > > 
> : > : > > > > I am trying to build a root filesystem using the mini guide at
> : > : > > > > http://people.freebsd.org/~cognet/freebsd_arm.txt but with no luck for
> : > : > > > > IXP425. Just to clarify some things :
> : > : > > > > 
> : > : > > > > When i am doing a buildworld inside /usr/src all these env variables
> : > : > > > > inside the mini guide must be exported ? 
> : > : > > > > What about BUILD_ARCH ? By default i am building a filesystem at a i386
> : > : > > > > machine so BUILD_ARCH has the i386 value.
> : > : > > > > 
> : > : > > > > I am using Freebsd 7.0 and i also have seen the wiki for AVILA but i got
> : > : > > > > the same Makefile.inc1 error for setting TARGET_ARCH (even though i am
> : > : > > > > setting TARGET_ARCH=arm)
> : > : > > > > I have build the kernel which is loaded fine but when the root
> : > : > > > > filesystem is mounted via NFS i get : exec /sbin/init : error 8 , so i
> : > : > > > > think that maybe the root filesystem i 've built is not right.
> : > : > > > 
> : > : > > > My script do this:
> : > : > > > 
> : > : > > > rm -rf /armdist
> : > : > > > chflags -R 0 /armdist
> : > : > > > rm -rf /armdist
> : > : > > > mkdir /armdist
> : > : > > > make TARGET_ARCH=arm TARGET_CPUTYPE=xscale TARGET_BIG_ENDIAN=true buildworld
> : > : > > > make TARGET_ARCH=arm TARGET_CPUTYPE=xscale TARGET_BIG_ENDIAN=true DESTDIR=/armdist installworld
> : > : > > > make TARGET_ARCH=arm TARGET_CPUTYPE=xscale TARGET_BIG_ENDIAN=true DESTDIR=/armdist distribution
> : > : > > > 
> : > : > > > John
> : > : > 
> : > : > John
> : > : 
> : > : Stavros Markou 
> : > : Senior Software Engineer
> : > : ANTCOR S.A.
> : > : Email: mailto:stma at antcor.com
> : > : Phone: +30 210 52 22 290 
> : > : Fax: +30 210 52 22 254 
> : > : Address: 52 Ag. Konstantinou, Athens 10437, GREECE
> : > : 
> : 
> : Stavros Markou 
> : Senior Software Engineer
> : ANTCOR S.A.
> : Email: mailto:stma at antcor.com
> : Phone: +30 210 52 22 290 
> : Fax: +30 210 52 22 254 
> : Address: 52 Ag. Konstantinou, Athens 10437, GREECE
> : 

Stavros Markou 
Senior Software Engineer
ANTCOR S.A.
Email: mailto:stma at antcor.com
Phone: +30 210 52 22 290 
Fax: +30 210 52 22 254 
Address: 52 Ag. Konstantinou, Athens 10437, GREECE