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vt82c686: Add a method to VIA_ISA to raise ISA interrupts

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Other functions in the VT82xx chips need to raise ISA interrupts. Keep
a reference to them in the device state and add via_isa_set_irq() to
allow setting their state.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Message-Id: <778c04dc2c8affac060b8edf9e8d7dab3c3e04eb.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 3a2f166fe0
commit a4d65b701f
2 changed files with 13 additions and 1 deletions
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10
hw/isa/vt82c686.c
View file

@ -542,6 +542,7 @@ OBJECT_DECLARE_SIMPLE_TYPE(ViaISAState, VIA_ISA)
struct ViaISAState {
PCIDevice dev;
qemu_irq cpu_intr;
qemu_irq *isa_irqs;
ISABus *isa_bus;
ViaSuperIOState *via_sio;
};
@ -567,6 +568,12 @@ static const TypeInfo via_isa_info = {
},
};
void via_isa_set_irq(PCIDevice *d, int n, int level)
{
ViaISAState *s = VIA_ISA(d);
qemu_set_irq(s->isa_irqs[n], level);
}
static void via_isa_request_i8259_irq(void *opaque, int irq, int level)
{
ViaISAState *s = opaque;
@ -584,7 +591,8 @@ static void via_isa_realize(PCIDevice *d, Error **errp)
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));
s->isa_irqs = i8259_init(s->isa_bus, *isa_irq);
isa_bus_irqs(s->isa_bus, s->isa_irqs);
i8254_pit_init(s->isa_bus, 0x40, 0, NULL);
i8257_dma_init(s->isa_bus, 0);
mc146818_rtc_init(s->isa_bus, 2000, NULL);