root / hw / sysbus.h @ 7e0a9247
History | View | Annotate | Download (3 kB)
1 |
#ifndef HW_SYSBUS_H
|
---|---|
2 |
#define HW_SYSBUS_H 1 |
3 |
|
4 |
/* Devices attached directly to the main system bus. */
|
5 |
|
6 |
#include "qdev.h" |
7 |
#include "memory.h" |
8 |
|
9 |
#define QDEV_MAX_MMIO 32 |
10 |
#define QDEV_MAX_PIO 32 |
11 |
#define QDEV_MAX_IRQ 512 |
12 |
|
13 |
#define TYPE_SYSTEM_BUS "System" |
14 |
#define SYSTEM_BUS(obj) OBJECT_CHECK(IDEBus, (obj), TYPE_IDE_BUS)
|
15 |
|
16 |
typedef struct SysBusDevice SysBusDevice; |
17 |
|
18 |
#define TYPE_SYS_BUS_DEVICE "sys-bus-device" |
19 |
#define SYS_BUS_DEVICE(obj) \
|
20 |
OBJECT_CHECK(SysBusDevice, (obj), TYPE_SYS_BUS_DEVICE) |
21 |
#define SYS_BUS_DEVICE_CLASS(klass) \
|
22 |
OBJECT_CLASS_CHECK(SysBusDeviceClass, (klass), TYPE_SYS_BUS_DEVICE) |
23 |
#define SYS_BUS_DEVICE_GET_CLASS(obj) \
|
24 |
OBJECT_GET_CLASS(SysBusDeviceClass, (obj), TYPE_SYS_BUS_DEVICE) |
25 |
|
26 |
typedef struct SysBusDeviceClass { |
27 |
DeviceClass parent_class; |
28 |
|
29 |
int (*init)(SysBusDevice *dev);
|
30 |
} SysBusDeviceClass; |
31 |
|
32 |
struct SysBusDevice {
|
33 |
DeviceState qdev; |
34 |
int num_irq;
|
35 |
qemu_irq irqs[QDEV_MAX_IRQ]; |
36 |
qemu_irq *irqp[QDEV_MAX_IRQ]; |
37 |
int num_mmio;
|
38 |
struct {
|
39 |
hwaddr addr; |
40 |
MemoryRegion *memory; |
41 |
} mmio[QDEV_MAX_MMIO]; |
42 |
int num_pio;
|
43 |
pio_addr_t pio[QDEV_MAX_PIO]; |
44 |
}; |
45 |
|
46 |
/* Macros to compensate for lack of type inheritance in C. */
|
47 |
#define sysbus_from_qdev(dev) ((SysBusDevice *)(dev))
|
48 |
#define FROM_SYSBUS(type, dev) DO_UPCAST(type, busdev, dev)
|
49 |
|
50 |
void *sysbus_new(void); |
51 |
void sysbus_init_mmio(SysBusDevice *dev, MemoryRegion *memory);
|
52 |
MemoryRegion *sysbus_mmio_get_region(SysBusDevice *dev, int n);
|
53 |
void sysbus_init_irq(SysBusDevice *dev, qemu_irq *p);
|
54 |
void sysbus_pass_irq(SysBusDevice *dev, SysBusDevice *target);
|
55 |
void sysbus_init_ioports(SysBusDevice *dev, pio_addr_t ioport, pio_addr_t size);
|
56 |
|
57 |
|
58 |
void sysbus_connect_irq(SysBusDevice *dev, int n, qemu_irq irq); |
59 |
void sysbus_mmio_map(SysBusDevice *dev, int n, hwaddr addr); |
60 |
void sysbus_add_memory(SysBusDevice *dev, hwaddr addr,
|
61 |
MemoryRegion *mem); |
62 |
void sysbus_add_memory_overlap(SysBusDevice *dev, hwaddr addr,
|
63 |
MemoryRegion *mem, unsigned priority);
|
64 |
void sysbus_del_memory(SysBusDevice *dev, MemoryRegion *mem);
|
65 |
void sysbus_add_io(SysBusDevice *dev, hwaddr addr,
|
66 |
MemoryRegion *mem); |
67 |
void sysbus_del_io(SysBusDevice *dev, MemoryRegion *mem);
|
68 |
MemoryRegion *sysbus_address_space(SysBusDevice *dev); |
69 |
|
70 |
/* Legacy helper function for creating devices. */
|
71 |
DeviceState *sysbus_create_varargs(const char *name, |
72 |
hwaddr addr, ...); |
73 |
DeviceState *sysbus_try_create_varargs(const char *name, |
74 |
hwaddr addr, ...); |
75 |
static inline DeviceState *sysbus_create_simple(const char *name, |
76 |
hwaddr addr, |
77 |
qemu_irq irq) |
78 |
{ |
79 |
return sysbus_create_varargs(name, addr, irq, NULL); |
80 |
} |
81 |
|
82 |
static inline DeviceState *sysbus_try_create_simple(const char *name, |
83 |
hwaddr addr, |
84 |
qemu_irq irq) |
85 |
{ |
86 |
return sysbus_try_create_varargs(name, addr, irq, NULL); |
87 |
} |
88 |
|
89 |
#endif /* !HW_SYSBUS_H */ |