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hw/isa/vt82c686: Instantiate IDE function in host device

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The IDE function is closely tied to the ISA function (e.g. the IDE
interrupt routing happens there), so it makes sense that the IDE
function is instantiated within the south bridge itself.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220901114127.53914-7-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This commit is contained in:
Bernhard Beschow 2022-06-13 19:24:55 +02:00 • committed by Philippe Mathieu-Daudé
parent 4b8fd0661a
commit 9eb6abbf6a
6 changed files with 26 additions and 11 deletions
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1
hw/isa/Kconfig
View file

@ -53,6 +53,7 @@ config VT82C686
select I8254
select I8257
select I8259
select IDE_VIA
select MC146818RTC
select PARALLEL

17
hw/isa/vt82c686.c
View file

@ -17,6 +17,7 @@
#include "hw/isa/vt82c686.h"
#include "hw/pci/pci.h"
#include "hw/qdev-properties.h"
#include "hw/ide/pci.h"
#include "hw/isa/isa.h"
#include "hw/isa/superio.h"
#include "hw/intc/i8259.h"
@ -544,6 +545,7 @@ struct ViaISAState {
qemu_irq cpu_intr;
qemu_irq *isa_irqs;
ViaSuperIOState via_sio;
PCIIDEState ide;
};
static const VMStateDescription vmstate_via = {
@ -556,10 +558,18 @@ static const VMStateDescription vmstate_via = {
}
};
static void via_isa_init(Object *obj)
{
ViaISAState *s = VIA_ISA(obj);
object_initialize_child(obj, "ide", &s->ide, TYPE_VIA_IDE);
}
static const TypeInfo via_isa_info = {
.name = TYPE_VIA_ISA,
.parent = TYPE_PCI_DEVICE,
.instance_size = sizeof(ViaISAState),
.instance_init = via_isa_init,
.abstract = true,
.interfaces = (InterfaceInfo[]) {
{ INTERFACE_CONVENTIONAL_PCI_DEVICE },
@ -583,6 +593,7 @@ static void via_isa_realize(PCIDevice *d, Error **errp)
{
ViaISAState *s = VIA_ISA(d);
DeviceState *dev = DEVICE(d);
PCIBus *pci_bus = pci_get_bus(d);
qemu_irq *isa_irq;
ISABus *isa_bus;
int i;
@ -612,6 +623,12 @@ static void via_isa_realize(PCIDevice *d, Error **errp)
if (!qdev_realize(DEVICE(&s->via_sio), BUS(isa_bus), errp)) {
return;
}
/* Function 1: IDE */
qdev_prop_set_int32(DEVICE(&s->ide), "addr", d->devfn + 1);
if (!qdev_realize(DEVICE(&s->ide), BUS(pci_bus), errp)) {
return;
}
}
/* TYPE_VT82C686B_ISA */