Libo Zhou <zhl...@foxmail.com> writes:
> Do you know where in the source file I should look into to add my custom > logging functionality? > > > Or, would you suggest using gdb to look at my target register and memory > contents? The answer in this link below looks really promising. I'm gonna > give it a try first. > > https://stackoverflow.com/questions/39503997/how-to-run-a-single-line-of-assembly-then-see-r1-and-condition-flags The gdbstub should allow you do full introspection and adding additional registers is fairly easy, see FOO_gdb_[set|get]_reg helpers in the appropriate target/FOO directories. > However, if I am able to customize log, it will be super convenient. So you want something above what -d cpu will show you? > > > > Cheers, > > Libo > > > > ------------------ Original ------------------ > From: "Aleksandar Markovic";<aleksandar.m.m...@gmail.com>; > Send time: Thursday, Sep 5, 2019 6:54 PM > To: "Libo Zhou"<zhl...@foxmail.com>; > Cc: "qemu-devel"<qemu-devel@nongnu.org>; > Subject: Re: [Qemu-devel] QEMU as ISS (Instruction Set Simulator) > > > > 04.09.2019. 05.23, "Libo Zhou" <zhl...@foxmail.com> ?е написао/ла: >> >> Hi Aleksandar, >> >> I have spent some time looking at your MXU ASE patch. It's super helpful. > I need to do exactly the same thing as you did. >> >> Now I just need a way to observe the memory and register file contents to > debug my instruction set simulator. I played with the "-d" switch to log a > bunch of information, but it seems that none of the items is of my > interest. The "-d cpu_reset" option displays all zeros in the GPR log. >> > > It looks you need a custom logging tailored to your needs, based on > intercepting the instructions you added. > > Aleksandar > >> Please take your time, as I fully understand you need to work on Qemu > while answering all my questions. Again, thank you very much for your help! >> >> Cheers, >> Libo >> -- Alex Bennée