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hw/isa/vt82c686: Remove intermediate IRQ forwarder

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Directly dispatch ISA IRQs to 'cpu_intr' output IRQ
by removing the intermediate via_isa_request_i8259_irq()
handler. Rename ISA IRQs array as 'isa_irqs_in' to
emphasize these are input IRQs.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230210163744.32182-5-philmd@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2023-02-09 10:38:42 +01:00 committed by Philippe Mathieu-Daudé
parent cef2e7148e
commit bb98e0f59c
1 changed files with 4 additions and 12 deletions
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16
hw/isa/vt82c686.c
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@ -548,7 +548,7 @@ OBJECT_DECLARE_SIMPLE_TYPE(ViaISAState, VIA_ISA)
struct ViaISAState {
PCIDevice dev;
qemu_irq cpu_intr;
qemu_irq *isa_irqs;
qemu_irq *isa_irqs_in;
ViaSuperIOState via_sio;
RTCState rtc;
PCIIDEState ide;
@ -595,13 +595,7 @@ 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;
qemu_set_irq(s->cpu_intr, level);
qemu_set_irq(s->isa_irqs_in[n], level);
}
static void via_isa_realize(PCIDevice *d, Error **errp)
@ -609,12 +603,10 @@ 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;
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, pci_address_space(d), pci_address_space_io(d),
errp);
@ -622,8 +614,8 @@ static void via_isa_realize(PCIDevice *d, Error **errp)
return;
}
s->isa_irqs = i8259_init(isa_bus, *isa_irq);
isa_bus_irqs(isa_bus, s->isa_irqs);
s->isa_irqs_in = i8259_init(isa_bus, s->cpu_intr);
isa_bus_irqs(isa_bus, s->isa_irqs_in);
i8254_pit_init(isa_bus, 0x40, 0, NULL);
i8257_dma_init(isa_bus, 0);