Thorsten Glaser píše v Ne 13. 01. 2013 v 21:37 +0000: > >Could you show me the source code of nfimvirt, please? Seems like it > > I attached it.
Thanks > >passed in an invalid pointer. You do know it needs to pass in physical > >(not MMU mapped) addresses, right? > > The specs specifically say the contrary: they must be in virtual > addresses, but still in physical memory: specs is probably incorrect :-/ Where did you get the following quotes from? > “On emulators implementing MMU and where physical addresses differ from > logical addresses, the memory that will be accessed by native features > uses the logical addresses (that is, exactly the same memory than that > seen by the CPU).” > > However: “All 68k memory accessed during the execution of a native > function, either directly (the stack), or indirectly (following > pointers) must reside in physical memory before the native function is > called.” – I added a call to mlock() before the NatFeat calls to ensure > that. > > Nevertheless, a user-space application absolutely MUST NOT crash the > emulator. Throw a SIGBUS if you must. I agree. Thus I have just fixed it (fix available in ARAnyM CVS, file src/include/natfeat.h). > @Debian: I suggest we tag this wheezy-ignore, because ⓐ it’s not a > regression, ⓑ the impact is low, and ⓒ some MIPS machines have (had?) > similar issues, so we have precedent. I suppose the maintainer could grab the patch from CVS and apply it to ARAnyM in wheezy? Or I may prepare a 0.9.15 release of ARAnyM... Petr -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
