Re: [Qemu-devel] [PATCH v3 1/2] i386: expose floppy-related objects in SSDT

2015-12-22 Thread Igor Mammedov
On Fri, 18 Dec 2015 22:32:29 +0300 Roman Kagan wrote: > On x86-based systems Linux determines the presence and the type of > floppy drives via a query of a CMOS field. So does SeaBIOS when > populating the return data for int 0x13 function 0x08. > > Windows doesn't; instead, it requests this in

Re: [Qemu-devel] [PATCH v3 1/2] i386: expose floppy-related objects in SSDT

2015-12-22 Thread Roman Kagan
On Tue, Dec 22, 2015 at 05:07:16PM +0200, Michael S. Tsirkin wrote: > On Fri, Dec 18, 2015 at 10:32:29PM +0300, Roman Kagan wrote: > > On x86-based systems Linux determines the presence and the type of > > floppy drives via a query of a CMOS field. So does SeaBIOS when > > populating the return da

Re: [Qemu-devel] [PATCH v3 1/2] i386: expose floppy-related objects in SSDT

2015-12-22 Thread Michael S. Tsirkin
On Fri, Dec 18, 2015 at 10:32:29PM +0300, Roman Kagan wrote: > On x86-based systems Linux determines the presence and the type of > floppy drives via a query of a CMOS field. So does SeaBIOS when > populating the return data for int 0x13 function 0x08. > > Windows doesn't; instead, it requests th

[Qemu-devel] [PATCH v3 1/2] i386: expose floppy-related objects in SSDT

2015-12-18 Thread Roman Kagan
On x86-based systems Linux determines the presence and the type of floppy drives via a query of a CMOS field. So does SeaBIOS when populating the return data for int 0x13 function 0x08. Windows doesn't; instead, it requests this information from BIOS via int 0x13/0x08 or through ACPI objects _FDE