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aae9460e PB |
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" | |
ec3bb837 | 7 | #include "memory.h" |
aae9460e | 8 | |
f40070c3 | 9 | #define QDEV_MAX_MMIO 32 |
c646f74f | 10 | #define QDEV_MAX_PIO 32 |
ea0e6841 | 11 | #define QDEV_MAX_IRQ 512 |
aae9460e PB |
12 | |
13 | typedef struct SysBusDevice SysBusDevice; | |
aae9460e | 14 | |
999e12bb AL |
15 | #define TYPE_SYS_BUS_DEVICE "sys-bus-device" |
16 | #define SYS_BUS_DEVICE(obj) \ | |
17 | OBJECT_CHECK(SysBusDevice, (obj), TYPE_SYS_BUS_DEVICE) | |
18 | #define SYS_BUS_DEVICE_CLASS(klass) \ | |
19 | OBJECT_CLASS_CHECK(SysBusDeviceClass, (klass), TYPE_SYS_BUS_DEVICE) | |
20 | #define SYS_BUS_DEVICE_GET_CLASS(obj) \ | |
21 | OBJECT_GET_CLASS(SysBusDeviceClass, (obj), TYPE_SYS_BUS_DEVICE) | |
22 | ||
23 | typedef struct SysBusDeviceClass { | |
24 | DeviceClass parent_class; | |
25 | ||
26 | int (*init)(SysBusDevice *dev); | |
27 | } SysBusDeviceClass; | |
28 | ||
aae9460e PB |
29 | struct SysBusDevice { |
30 | DeviceState qdev; | |
31 | int num_irq; | |
32 | qemu_irq irqs[QDEV_MAX_IRQ]; | |
33 | qemu_irq *irqp[QDEV_MAX_IRQ]; | |
34 | int num_mmio; | |
35 | struct { | |
c227f099 | 36 | target_phys_addr_t addr; |
ec3bb837 | 37 | MemoryRegion *memory; |
aae9460e | 38 | } mmio[QDEV_MAX_MMIO]; |
c646f74f GN |
39 | int num_pio; |
40 | pio_addr_t pio[QDEV_MAX_PIO]; | |
aae9460e PB |
41 | }; |
42 | ||
aae9460e PB |
43 | /* Macros to compensate for lack of type inheritance in C. */ |
44 | #define sysbus_from_qdev(dev) ((SysBusDevice *)(dev)) | |
45 | #define FROM_SYSBUS(type, dev) DO_UPCAST(type, busdev, dev) | |
46 | ||
aae9460e | 47 | void *sysbus_new(void); |
750ecd44 | 48 | void sysbus_init_mmio(SysBusDevice *dev, MemoryRegion *memory); |
46c305ef | 49 | MemoryRegion *sysbus_mmio_get_region(SysBusDevice *dev, int n); |
aae9460e PB |
50 | void sysbus_init_irq(SysBusDevice *dev, qemu_irq *p); |
51 | void sysbus_pass_irq(SysBusDevice *dev, SysBusDevice *target); | |
c646f74f | 52 | void sysbus_init_ioports(SysBusDevice *dev, pio_addr_t ioport, pio_addr_t size); |
aae9460e PB |
53 | |
54 | ||
55 | void sysbus_connect_irq(SysBusDevice *dev, int n, qemu_irq irq); | |
c227f099 | 56 | void sysbus_mmio_map(SysBusDevice *dev, int n, target_phys_addr_t addr); |
2b985d9c AK |
57 | void sysbus_add_memory(SysBusDevice *dev, target_phys_addr_t addr, |
58 | MemoryRegion *mem); | |
d40b2af8 AK |
59 | void sysbus_add_memory_overlap(SysBusDevice *dev, target_phys_addr_t addr, |
60 | MemoryRegion *mem, unsigned priority); | |
2b985d9c AK |
61 | void sysbus_del_memory(SysBusDevice *dev, MemoryRegion *mem); |
62 | void sysbus_add_io(SysBusDevice *dev, target_phys_addr_t addr, | |
63 | MemoryRegion *mem); | |
64 | void sysbus_del_io(SysBusDevice *dev, MemoryRegion *mem); | |
62ec4832 | 65 | MemoryRegion *sysbus_address_space(SysBusDevice *dev); |
aae9460e PB |
66 | |
67 | /* Legacy helper function for creating devices. */ | |
68 | DeviceState *sysbus_create_varargs(const char *name, | |
c227f099 | 69 | target_phys_addr_t addr, ...); |
4912371f BS |
70 | DeviceState *sysbus_try_create_varargs(const char *name, |
71 | target_phys_addr_t addr, ...); | |
aae9460e | 72 | static inline DeviceState *sysbus_create_simple(const char *name, |
c227f099 | 73 | target_phys_addr_t addr, |
aae9460e PB |
74 | qemu_irq irq) |
75 | { | |
76 | return sysbus_create_varargs(name, addr, irq, NULL); | |
77 | } | |
78 | ||
4912371f BS |
79 | static inline DeviceState *sysbus_try_create_simple(const char *name, |
80 | target_phys_addr_t addr, | |
81 | qemu_irq irq) | |
82 | { | |
83 | return sysbus_try_create_varargs(name, addr, irq, NULL); | |
84 | } | |
85 | ||
aae9460e | 86 | #endif /* !HW_SYSBUS_H */ |