]>
Commit | Line | Data |
---|---|---|
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 |
a1961a4b | 11 | #define QDEV_MAX_IRQ 256 |
aae9460e PB |
12 | |
13 | typedef struct SysBusDevice SysBusDevice; | |
c227f099 | 14 | typedef void (*mmio_mapfunc)(SysBusDevice *dev, target_phys_addr_t addr); |
aae9460e PB |
15 | |
16 | struct SysBusDevice { | |
17 | DeviceState qdev; | |
18 | int num_irq; | |
19 | qemu_irq irqs[QDEV_MAX_IRQ]; | |
20 | qemu_irq *irqp[QDEV_MAX_IRQ]; | |
21 | int num_mmio; | |
22 | struct { | |
c227f099 | 23 | target_phys_addr_t addr; |
aae9460e | 24 | mmio_mapfunc cb; |
d7612013 | 25 | mmio_mapfunc unmap; |
ec3bb837 | 26 | MemoryRegion *memory; |
aae9460e | 27 | } mmio[QDEV_MAX_MMIO]; |
c646f74f GN |
28 | int num_pio; |
29 | pio_addr_t pio[QDEV_MAX_PIO]; | |
aae9460e PB |
30 | }; |
31 | ||
81a322d4 | 32 | typedef int (*sysbus_initfn)(SysBusDevice *dev); |
aae9460e PB |
33 | |
34 | /* Macros to compensate for lack of type inheritance in C. */ | |
35 | #define sysbus_from_qdev(dev) ((SysBusDevice *)(dev)) | |
36 | #define FROM_SYSBUS(type, dev) DO_UPCAST(type, busdev, dev) | |
37 | ||
1431b6a1 PB |
38 | typedef struct { |
39 | DeviceInfo qdev; | |
40 | sysbus_initfn init; | |
41 | } SysBusDeviceInfo; | |
42 | ||
aae9460e | 43 | void sysbus_register_dev(const char *name, size_t size, sysbus_initfn init); |
074f2fff | 44 | void sysbus_register_withprop(SysBusDeviceInfo *info); |
aae9460e | 45 | void *sysbus_new(void); |
d7612013 AK |
46 | void sysbus_init_mmio_cb2(SysBusDevice *dev, |
47 | mmio_mapfunc cb, mmio_mapfunc unmap); | |
ec3bb837 | 48 | void sysbus_init_mmio_region(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); | |
aae9460e PB |
65 | |
66 | /* Legacy helper function for creating devices. */ | |
67 | DeviceState *sysbus_create_varargs(const char *name, | |
c227f099 | 68 | target_phys_addr_t addr, ...); |
4912371f BS |
69 | DeviceState *sysbus_try_create_varargs(const char *name, |
70 | target_phys_addr_t addr, ...); | |
aae9460e | 71 | static inline DeviceState *sysbus_create_simple(const char *name, |
c227f099 | 72 | target_phys_addr_t addr, |
aae9460e PB |
73 | qemu_irq irq) |
74 | { | |
75 | return sysbus_create_varargs(name, addr, irq, NULL); | |
76 | } | |
77 | ||
4912371f BS |
78 | static inline DeviceState *sysbus_try_create_simple(const char *name, |
79 | target_phys_addr_t addr, | |
80 | qemu_irq irq) | |
81 | { | |
82 | return sysbus_try_create_varargs(name, addr, irq, NULL); | |
83 | } | |
84 | ||
aae9460e | 85 | #endif /* !HW_SYSBUS_H */ |