W dniu 16 czerwca 2011 16:44 uÅytkownik RafaÅ MiÅecki <zajec5@xxxxxxxxx> napisaÅ: > I analyze MMIO dumps of closed source driver and found such a place: > W 2 3855.911536 9 0xb06003fc 0x810 0x0 0 > R 2 3855.911540 9 0xb06003fe 0x0 0x0 0 > W 2 3855.911541 9 0xb06003fe 0x0 0x0 0 > > After translation: > Âphy_read(0x0810) -> 0x0000 > phy_write(0x0810) <- 0x0000 > > So it's quite obvious, the driver is reading PHY register, masking it > and writing masked value. Unfortunately from just looking at such > place we can not guess the mask driver uses. > > I'd like to fake value read from 0xb06003fe to be 0xFFFF. > Is there some ready method for doing such a trick? > > Dump comes from Kernel hacking â Tracers â MMIO and ndiswrapper. I can see values in MMIO trace struct are filled in arch/x86/mm/mmio-mod.c in "pre" and "post". However still no idea how to hack the returned value. Should I try hacking read[bwl] instead? :| -- RafaÅ -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
