On Tuesday 14 December 2010 15:23:49 Jason Lunz wrote: > On one hand you've got uml, which simply doesn't have mmio. On the other > there's mtd, which began as a method for accessing hardware devices that > are often accessed using mmio. But then the mtd subsystem developed > emulations of that hardware that are software based and thus don't > require mmio. It's mainly these emulated backends I'm interested in > exposing. > > Nothing is going to change so that it makes sense to have any real > mmio-using hardware driver run on uml. The question you raise is, are > there other classes of driver with a software-only subset that can be > exposed on uml? And if so, would adding stub implementations of > readb/writeb and friends actually be enough to make those work? I'm not > aware of any, so at present I don't think the argument for implementing > this in uml arch code is very strong. Or in other words, I don't think a > "general solution" would be very general.
For what it's worth, QEMU had replaced all my use cases for UML in the past few years. If I wanted to play with loopback mounting jffs2 I'd build a kernel to run under QEMU, and have that emulate the flash. Rob -- GPLv3: as worthy a successor as The Phantom Menace, as timely as Duke Nukem Forever, and as welcome as New Coke. ------------------------------------------------------------------------------ Lotusphere 2011 Register now for Lotusphere 2011 and learn how to connect the dots, take your collaborative environment to the next level, and enter the era of Social Business. http://p.sf.net/sfu/lotusphere-d2d _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel
