Date: Tue, 16 Jul 2002 17:58:24 -0400 From: W Gerald Hicks <gehicks@gehicks.dyndns.org> To: Peter Wemm <peter@wemm.org> Cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/release/picobsd/build write_mfs_in_kernel.c Message-ID: <267C26FC-9907-11D6-99DB-0030657B5F1E@gehicks.dyndns.org> In-Reply-To: <20020716181501.C69CB3910@overcee.wemm.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Tuesday, July 16, 2002, at 02:15 PM, Peter Wemm wrote: [snips] > Whatever works. :-) > Yeah :-) > I like the --add-section approach personally because it adapts > automatically to the file format being used and seems to need less > comamnd > line args. > Heh, I'm doing it your way now. My fingers thank you. > However, it requires doing things a bit differently. I used to use it > as a > final pre-link stage on one file, but I suppose creating the .o file > directly makes it easier from a Makefile perspective. > I've got this hack here where I've modified config(8) to allow a alternate set of sys/conf files where I've created a makeoption RLINK_KERNEL="foo" to illustrate how to do it without a statically reserved area. I've dropped option MD_ROOT_SIZE in favor of a new makeoption MD_ROOT_IMAGE="mdimage.o" which gets linked on a 'make final' to replace weak symbols in my patched md.c ('make prelim' builds a partially linked kernel in this scheme) > I used to do things like this: > mdroot.o: mdroot.dd mdroot_driver.o > objcopy --add_section mdroot=mdroot.dd .... > > mdroot_driver.o: md.c > ... etc > > And the build used the resulting mdroot.o with the binary embedded in > it. > yeah, that's pretty much what we do here. > Anyway, it is good to know that there is more than one way to do it and > that > the evil write_mfs_in_kernel can finally be laid to rest for good. > Amen! Cheers, Jerry Hicks gehicks@gehicks.dyndns.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?267C26FC-9907-11D6-99DB-0030657B5F1E>