Date: Fri, 28 Sep 2007 12:23:32 +0200 From: Olivier Houchard <mlfbsd@ci0.org> To: Marius Nuennerich <marius.nuennerich@gmx.de> Cc: freebsd-arm@freebsd.org Subject: Re: Comment bug in locore.S? Message-ID: <20070928102332.GA23400@ci0.org> In-Reply-To: <20070928113044.4a2dcdac@sol.hackerzberg.local> References: <20070928011740.01026dcd@sol.hackerzberg.local> <200709272351.l8RNp0pn066924@casselton.net> <20070928113044.4a2dcdac@sol.hackerzberg.local>
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On Fri, Sep 28, 2007 at 11:30:44AM +0200, Marius Nuennerich wrote: > On Thu, 27 Sep 2007 18:51:00 -0500 (CDT) > Mark Tinguely <tinguely@casselton.net> wrote: > > > > > How about saving the jump address in another register also before the jump: > > > > ldr r10, .Lvirt_done > > ldr pc, .Lvirt_done > > I tried this but used r9, anyway the register isn't used otherwise and > it's contents is R09=c00002a4 after qemu crashes. Is it possible that > this would be the right address if the kernel would start at 0x30000000 > and not on 0x30008000 physical address? Ah good point. KERNVIRTADDR should be 0xc0008000, not 0xc0000000. As we're mapping it with sections, we don't have enough granularity to map it to 0xc0000000. Regards, Olivier
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