Date: Tue, 19 Aug 2008 08:17:37 -0600 (MDT) From: "M. Warner Losh" <imp@bsdimp.com> To: stma@antcor.com Cc: freebsd-arm@FreeBSD.org Subject: Re: how to build root filesystem for ixp425 Message-ID: <20080819.081737.-625041569.imp@bsdimp.com> In-Reply-To: <1219154042.6821.27.camel@Hellboy> References: <1219135149.6821.5.camel@Hellboy> <20080819.072438.504234287.imp@bsdimp.com> <1219154042.6821.27.camel@Hellboy>
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In message: <1219154042.6821.27.camel@Hellboy> Stavros Markou <stma@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. : 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? : 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. : 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? Warner : Best Regards, : : Stavros. : : On Tue, 2008-08-19 at 07:24 -0600, M. Warner Losh wrote: : : > In message: <1219135149.6821.5.camel@Hellboy> : > Stavros Markou <stma@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@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@antcor.com : Phone: +30 210 52 22 290 : Fax: +30 210 52 22 254 : Address: 52 Ag. Konstantinou, Athens 10437, GREECE :
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