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hw/block/fdc-isa: Implement relocation and enabling/disabling for TYPE_ISA_FDC

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The real SuperI/O chips emulated by QEMU allow for relocating and enabling or
disabling their SuperI/O functions via software. So far this is not implemented.
Prepare for that by adding isa_fdc_set_{enabled,iobase}.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-Id: <20240114123911.4877-8-shentey@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Bernhard Beschow 2024-01-14 13:39:07 +01:00 • committed by Michael S. Tsirkin
parent f165cdf102
commit 8c4d239139
2 changed files with 17 additions and 0 deletions
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14
hw/block/fdc-isa.c
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@ -192,6 +192,20 @@ static Aml *build_fdinfo_aml(int idx, FloppyDriveType type)
return dev;
}
void isa_fdc_set_iobase(ISADevice *fdc, hwaddr iobase)
{
FDCtrlISABus *isa = ISA_FDC(fdc);
fdc->ioport_id = iobase;
isa->iobase = iobase;
portio_list_set_address(&isa->portio_list, isa->iobase);
}
void isa_fdc_set_enabled(ISADevice *fdc, bool enabled)
{
portio_list_set_enabled(&ISA_FDC(fdc)->portio_list, enabled);
}
int cmos_get_fd_drive_type(FloppyDriveType fd0)
{
int val;