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qdev/isa: add isa bus support to qdev.

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Pretty simple and straigt forward.
IRQs modeled simliar to sysbus.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This commit is contained in:
Gerd Hoffmann 2009-07-31 12:30:14 +02:00 • committed by Anthony Liguori
parent d176c495b6
commit f915a11563
3 changed files with 132 additions and 5 deletions
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25
hw/isa.h
View file

@ -1,8 +1,33 @@
#ifndef HW_ISA_H
#define HW_ISA_H
/* ISA bus */
#include "ioport.h"
#include "qdev.h"
typedef struct ISABus ISABus;
typedef struct ISADevice ISADevice;
typedef struct ISADeviceInfo ISADeviceInfo;
struct ISADevice {
DeviceState qdev;
uint32_t iobase[2];
qemu_irq *irqs[2];
int nirqs;
};
typedef void (*isa_qdev_initfn)(ISADevice *dev);
struct ISADeviceInfo {
DeviceInfo qdev;
isa_qdev_initfn init;
};
ISABus *isa_bus_new(DeviceState *dev);
void isa_connect_irq(ISADevice *dev, int n, qemu_irq irq);
void isa_init_irq(ISADevice *dev, qemu_irq *p);
void isa_qdev_register(ISADeviceInfo *info);
ISADevice *isa_create_simple(const char *name, uint32_t iobase, uint32_t iobase2);
extern target_phys_addr_t isa_mem_base;