Date: Mon, 11 Jul 2011 18:15:04 -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: <4E1B83F8.3070700@gmail.com> In-Reply-To: <1310412331.1466.41.camel@bmcgover-laptop.beta.com> References: <20110708120025.5C94210656D9@hub.freebsd.org> <1310178351.5681.4.camel@bmcgover-laptop.beta.com> <4E18403C.8010203@gmail.com> <1310344111.1455.3.camel@bmcgover-laptop.beta.com> <4E1A4F18.5000802@gmail.com> <1310412331.1466.41.camel@bmcgover-laptop.beta.com>
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On 7/11/2011 2:25 PM, Brian J. McGovern wrote: > [trimmed] >> The 194609 change is also in FreeBSD 8.2 elf_trampoline.c. When it was >> in the kernel, qemu would just sit there in some loop. >> >> With option ARM_CACHE_LOCK_ENABLE compiled into the kernel, qemu will >> give an illegal instruction error. >> >> --Mark Tinguely >> > I saw that, but when you commented about hand-editing additional changes > in to the file, I figured there was "more" that I hadn't picked up yet. > As to ARM_CACHE_LOCK_ENABLE, I commented it > in /usr/src/sys/arm/xscale/std.xscale, and that seems to removing it > from the kernel. > > At this point, I'm still running in to a: > > "qemu: fatal: Trying to execute code outside of RAM or ROM at > 0x300080e0" after having used an example at > http://wiki.openmoko.org/wiki/FreeBSD for mkimage with QEMU 0.14.1 > (qemu-devel). > > I remember there being a patch to allow for compressed kernels, so I > need to dig that out when I get back to trying this again. > How far does the boot process get before this happens? A quick look at the device map, and that seems to be the PXA2X0_PCMCIA_SLOT1 which is not mapped. You could remove the mkimage and let it try to NFS mount - this is just a test to see if it will boot further. Also with the GUMSTIX and qemu, certain network commands (ntpdate comes to mind) caused page fault in the smc driver. I never investigated. --Mark Tinguely
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