2009/11/13 Blue Swirl <blauwir...@gmail.com>: > On Fri, Nov 13, 2009 at 4:28 PM, Artyom Tarasenko > <atar4q...@googlemail.com> wrote: >>>> Could you describe the steps how to boot Solaris with OBP? I'm sure >>>> there are a lot of people who'd like to test if their favorite Sparc >>>> Solaris programs work on QEMU. >> >> Gathered things for which I currently have hacks here: >> http://tyom.blogspot.com/2009/11/things-missing-in-vanilla-qemu.html >> >> Actually for OBP itself it's just two (SS-5) or three (SS-20) things: >> >> - Floppy. Instead of fixing it, I broke it completely, so OBP doesn't >> try to initialize it and hang. Actually it maybe not the fdc itself, >> but the irq handling. There are OBP tests which may help to understand >> what is currently going wrong. I didn't need it, does the fdc actually >> work under linux/netbsd/OpenBIOS? > > Not at least Linux, IIRC Linux floppy driver is broken. FDC is wired a > bit differently from PC setup. We don't need it, but getting OBP just > to accept it would be nice. > >> - [SparcStation-5] 0x6e000000 AFX. OBP tries to access it and fails >> with "unassigned address exception". Is only present in the SS-5's >> TCX. The required address space is just one byte long. IMHO makes no >> sense to create a special stub device for it. Can we push it into the >> TCX? > > I'd put it to sun4m.c, there is similar device (idreg) already.
Ok, I made one patch for fdc.c (it turned out that for SS5-only fix, a very small change is needed), and a small afx patch for sun4m.c . Shall I post them marked "for 0.12" or shall we do it in 0.13 ? -- Regards, Artyom Tarasenko solaris/sparc under qemu blog: http://tyom.blogspot.com/