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vt82c686: Move common code to via_isa_realize

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The vt82c686b_realize and vt8231_realize methods are almost identical,
factor out the common parts to a via_isa_realize function to avoid
code duplication.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <7cb7a16ff4daf8f48d576246255bea1fd355207c.1634259980.git.balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This commit is contained in:
BALATON Zoltan 2021-10-15 03:06:20 +02:00 committed by Philippe Mathieu-Daudé
parent 7c8eae45c0
commit 3a2f166fe0
1 changed files with 29 additions and 38 deletions
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67
hw/isa/vt82c686.c
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@ -542,6 +542,7 @@ OBJECT_DECLARE_SIMPLE_TYPE(ViaISAState, VIA_ISA)
struct ViaISAState {
PCIDevice dev;
qemu_irq cpu_intr;
ISABus *isa_bus;
ViaSuperIOState *via_sio;
};
@ -572,6 +573,29 @@ static void via_isa_request_i8259_irq(void *opaque, int irq, int level)
qemu_set_irq(s->cpu_intr, level);
}
static void via_isa_realize(PCIDevice *d, Error **errp)
{
ViaISAState *s = VIA_ISA(d);
DeviceState *dev = DEVICE(d);
qemu_irq *isa_irq;
int i;
qdev_init_gpio_out(dev, &s->cpu_intr, 1);
isa_irq = qemu_allocate_irqs(via_isa_request_i8259_irq, s, 1);
s->isa_bus = isa_bus_new(dev, get_system_memory(), pci_address_space_io(d),
&error_fatal);
isa_bus_irqs(s->isa_bus, i8259_init(s->isa_bus, *isa_irq));
i8254_pit_init(s->isa_bus, 0x40, 0, NULL);
i8257_dma_init(s->isa_bus, 0);
mc146818_rtc_init(s->isa_bus, 2000, NULL);
for (i = 0; i < PCI_CONFIG_HEADER_SIZE; i++) {
if (i < PCI_COMMAND || i >= PCI_REVISION_ID) {
d->wmask[i] = 0;
}
}
}
/* TYPE_VT82C686B_ISA */
static void vt82c686b_write_config(PCIDevice *d, uint32_t addr,
@ -610,27 +634,10 @@ static void vt82c686b_isa_reset(DeviceState *dev)
static void vt82c686b_realize(PCIDevice *d, Error **errp)
{
ViaISAState *s = VIA_ISA(d);
DeviceState *dev = DEVICE(d);
ISABus *isa_bus;
qemu_irq *isa_irq;
int i;
qdev_init_gpio_out(dev, &s->cpu_intr, 1);
isa_irq = qemu_allocate_irqs(via_isa_request_i8259_irq, s, 1);
isa_bus = isa_bus_new(dev, get_system_memory(), pci_address_space_io(d),
&error_fatal);
isa_bus_irqs(isa_bus, i8259_init(isa_bus, *isa_irq));
i8254_pit_init(isa_bus, 0x40, 0, NULL);
i8257_dma_init(isa_bus, 0);
s->via_sio = VIA_SUPERIO(isa_create_simple(isa_bus,
via_isa_realize(d, errp);
s->via_sio = VIA_SUPERIO(isa_create_simple(s->isa_bus,
TYPE_VT82C686B_SUPERIO));
mc146818_rtc_init(isa_bus, 2000, NULL);
for (i = 0; i < PCI_CONFIG_HEADER_SIZE; i++) {
if (i < PCI_COMMAND || i >= PCI_REVISION_ID) {
d->wmask[i] = 0;
}
}
}
static void vt82c686b_class_init(ObjectClass *klass, void *data)
@ -691,26 +698,10 @@ static void vt8231_isa_reset(DeviceState *dev)
static void vt8231_realize(PCIDevice *d, Error **errp)
{
ViaISAState *s = VIA_ISA(d);
DeviceState *dev = DEVICE(d);
ISABus *isa_bus;
qemu_irq *isa_irq;
int i;
qdev_init_gpio_out(dev, &s->cpu_intr, 1);
isa_irq = qemu_allocate_irqs(via_isa_request_i8259_irq, s, 1);
isa_bus = isa_bus_new(dev, get_system_memory(), pci_address_space_io(d),
&error_fatal);
isa_bus_irqs(isa_bus, i8259_init(isa_bus, *isa_irq));
i8254_pit_init(isa_bus, 0x40, 0, NULL);
i8257_dma_init(isa_bus, 0);
s->via_sio = VIA_SUPERIO(isa_create_simple(isa_bus, TYPE_VT8231_SUPERIO));
mc146818_rtc_init(isa_bus, 2000, NULL);
for (i = 0; i < PCI_CONFIG_HEADER_SIZE; i++) {
if (i < PCI_COMMAND || i >= PCI_REVISION_ID) {
d->wmask[i] = 0;
}
}
via_isa_realize(d, errp);
s->via_sio = VIA_SUPERIO(isa_create_simple(s->isa_bus,
TYPE_VT8231_SUPERIO));
}
static void vt8231_class_init(ObjectClass *klass, void *data)