Date: Sat, 09 Jul 2011 06:49:16 -0500 From: Mark Tinguely <marktinguely@gmail.com> To: "Brian J. McGovern" <mcgovern@beta.com> Cc: freebsd-arm@freebsd.org Subject: Re: Suggestions for arm build for qemu? Message-ID: <4E18403C.8010203@gmail.com> In-Reply-To: <1310178351.5681.4.camel@bmcgover-laptop.beta.com> References: <20110708120025.5C94210656D9@hub.freebsd.org> <1310178351.5681.4.camel@bmcgover-laptop.beta.com>
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On 7/8/2011 9:25 PM, Brian J. McGovern wrote: > While I'm waiting to get real HW, I wanted to play with qemu's arm > emulation. I've built binaries and a kernel with "make TARGET=arm > TARGET_ARCH=arm DESTDIR=/usr/tmp/armbuild" and the buildworld, > installworld, buildkernel, and installkernel targets. For the moment, > I'm trying to use the GUMSTIX kernel configuration file. > > I'm getting hung up, apparently, on turning the resulting binary set in > to something which can be booted. I've played with a number of settings > for mkimage, but can't seem to get it right. When I go to boot the > result, at best, I get a ":" in the emulation window. At worst, the > emulator crashes. > > Any pointers to web documents that does a good job of describing the > process? Google for obvious search terms (e.g. FreeBSD arm mkimage) > turns up some older pages, none of which seem to result in a working > kernel. > > _______________________________________________ > freebsd-arm@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-arm > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org" > I had a problem starting the boot with GUMSTIX kernel and qemu. I finally traced it to the change in arm/arm/elf_trampoline.c revision *194609. * <http://svnweb.freebsd.org/base?view=revision&revision=194609>; I kept a copy of that file with that change, but manually added the changes that followed it. Also you need to disable the "ARM_CACHE_LOCK_ENABLE" option in arm/xscale/std.h because qemu does not emulate every feature of the GUMSTIX. --Mark Tinguely. .
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