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isa: introduce wrapper isa_connect_gpio_out 

Currently a direct access to the device structure field is used to connect ISA
device IRQ to the bus. GPIO access should be used instead if possible.

The patch adds wrapper isa_connect_gpio_out. The function connects specified
output GPIO to specified ISA IRQ.

Signed-off-by: Efimov Vasily <real@ispras.ru>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Efimov Vasily 2016-06-22 15:24:56 +03:00 committed by Paolo Bonzini
parent ea5d42508c
commit 250263033c
2 changed files with 8 additions and 0 deletions
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7
hw/isa/isa-bus.c
View File

@ -97,6 +97,13 @@ void isa_init_irq(ISADevice *dev, qemu_irq *p, int isairq)
dev->nirqs++;
}
void isa_connect_gpio_out(ISADevice *isadev, int gpioirq, int isairq)
{
qemu_irq irq;
isa_init_irq(isadev, &irq, isairq);
qdev_connect_gpio_out(DEVICE(isadev), gpioirq, irq);
}
void isa_bus_dma(ISABus *bus, IsaDma *dma8, IsaDma *dma16)
{
assert(bus && dma8 && dma16);

1
include/hw/isa/isa.h
View File

@ -102,6 +102,7 @@ ISABus *isa_bus_new(DeviceState *dev, MemoryRegion *address_space,
void isa_bus_irqs(ISABus *bus, qemu_irq *irqs);
qemu_irq isa_get_irq(ISADevice *dev, int isairq);
void isa_init_irq(ISADevice *dev, qemu_irq *p, int isairq);
void isa_connect_gpio_out(ISADevice *isadev, int gpioirq, int isairq);
void isa_bus_dma(ISABus *bus, IsaDma *dma8, IsaDma *dma16);
IsaDma *isa_get_dma(ISABus *bus, int nchan);
MemoryRegion *isa_address_space(ISADevice *dev);