Il 12/07/2012 13:09, Markus Armbruster ha scritto: >> > >> > It isn't. AHCI is on the same level as IDE. They both speak ATA, but >> > the guest os interface is completely different. You can write a >> > generic IDE driver, but that won't be able to talk to an AHCI >> > controller in AHCI mode. You can write a generic AHCI driver, but that >> > won't be able to talk to an IDE controller. > Yes, but does the naive command line user care? > > -serial configures a serial device. The kind of device depends on the > board: 16550A UARTs with -M pc, Exynos 4210 UARTs with -M nuri, ColdFire > UARTs with -M an5206, ... You can't write a generic serial device > driver.
The naive command line user uses -cdrom or just "qemu file.img", they do not use -drive. The non-naive command line user who has so far been using -drive with if=ide, can learn to omit it when they move to q35. Paolo
