On Thu, 2007-03-22 at 12:39 -0500, Jason Wessel wrote: > Attached is a patch as well as an example program, where I took the code > from the from the linux kernel and made a call in with a dummy packet. > > It appears the problem is the addic translation does not correctly > set/reset the carry bit, and this is a regression vs the source base on > 3/7/2007. With the change here, I can boot the ppc-prep machine again > and use ethernet.
OK, thanks for this detailed report, I can now see what the bug is: the carry should be reset when immediate value is zero. Your patch is not great because it disables useful optimization, but I will test another one and commit it soon. > J. Mayer wrote: > > Hi, > > > > My concern is I cannot reproduce your problem for the following reasons: > > - the PREP machine (and the heathrow too...) is broken and cannot even > > boot. PCI and/or IRQ are broken, so the Linux kernel hangs. > > - when using the "known to work" Linux distributions on the mac99 > > machine (please take a look at the STATUS file), I am able to download a > > kernel from www.kernel.org, which makes me think TCP packets are sent > > and received correctly, with valid checksums. > > > > Then, it would be a great thing if you could isolate the failing routine > > and, for example, make a test case usable with linux-user emulation. > > This would be a great help to solve this issue. > > > > Thanks by advance. > > -- J. Mayer <[EMAIL PROTECTED]> Never organized _______________________________________________ Qemu-devel mailing list Qemu-devel@nongnu.org http://lists.nongnu.org/mailman/listinfo/qemu-devel
