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Re: [PATCH v2 08/12] hw/block/fdc-isa: Implement relocation and toggling


From: Bernhard Beschow
Subject: Re: [PATCH v2 08/12] hw/block/fdc-isa: Implement relocation and toggling for TYPE_ISA_FDC
Date: Thu, 21 Dec 2023 14:26:48 +0000


Am 19. Dezember 2023 00:09:23 UTC schrieb BALATON Zoltan <balaton@eik.bme.hu>:
>On Mon, 18 Dec 2023, Bernhard Beschow wrote:
>> Implement isa_fdc_set_{enabled,iobase} in order to implement relocation and
>> toggling of SuperI/O functions in the VIA south bridges without breaking
>> encapsulation.
>
>You may want to revise these commit messages. What toggling means is only 
>defined in the last patch but I can't think of a better name for it other than 
>spelling out enable/disable.

I'll use enable/disable then.

> It's probably also not relevant in this commit message to mention VIA south 
> bridges as this is a generic function not specific to that usage only.

I'll refer to SuperI/O chips rather than VIA specifically since I want to point 
out the distinction to properties.

Best regards,
Bernhard

>
>Regards,
>BALATON Zoltan
>
>> Signed-off-by: Bernhard Beschow <shentey@gmail.com>
>> ---
>> include/hw/block/fdc.h |  3 +++
>> hw/block/fdc-isa.c     | 14 ++++++++++++++
>> 2 files changed, 17 insertions(+)
>> 
>> diff --git a/include/hw/block/fdc.h b/include/hw/block/fdc.h
>> index 35248c0837..c367c5efea 100644
>> --- a/include/hw/block/fdc.h
>> +++ b/include/hw/block/fdc.h
>> @@ -14,6 +14,9 @@ void fdctrl_init_sysbus(qemu_irq irq, hwaddr mmio_base, 
>> DriveInfo **fds);
>> void sun4m_fdctrl_init(qemu_irq irq, hwaddr io_base,
>>                        DriveInfo **fds, qemu_irq *fdc_tc);
>> 
>> +void isa_fdc_set_iobase(ISADevice *fdc, hwaddr iobase);
>> +void isa_fdc_set_enabled(ISADevice *fdc, bool enabled);
>> +
>> FloppyDriveType isa_fdc_get_drive_type(ISADevice *fdc, int i);
>> int cmos_get_fd_drive_type(FloppyDriveType fd0);
>> 
>> diff --git a/hw/block/fdc-isa.c b/hw/block/fdc-isa.c
>> index b4c92b40b3..c989325de3 100644
>> --- a/hw/block/fdc-isa.c
>> +++ b/hw/block/fdc-isa.c
>> @@ -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;
>> 



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