projects / mirror_qemu.git / blame
| 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" | |
| 7 | ||
| 8 | #define QDEV_MAX_MMIO 5 | |
| 9 | #define QDEV_MAX_IRQ 32 | |
| 10 | ||
| 11 | typedef struct SysBusDevice SysBusDevice; | |
| 12 | typedef void (*mmio_mapfunc)(SysBusDevice *dev, target_phys_addr_t addr); | |
| 13 | ||
| 14 | struct SysBusDevice { | |
| 15 | DeviceState qdev; | |
| 16 | int num_irq; | |
| 17 | qemu_irq irqs[QDEV_MAX_IRQ]; | |
| 18 | qemu_irq *irqp[QDEV_MAX_IRQ]; | |
| 19 | int num_mmio; | |
| 20 | struct { | |
| 21 | target_phys_addr_t addr; | |
| 22 | target_phys_addr_t size; | |
| 23 | mmio_mapfunc cb; | |
| 24 | int iofunc; | |
| 25 | } mmio[QDEV_MAX_MMIO]; | |
| 26 | }; | |
| 27 | ||
| 28 | typedef void (*sysbus_initfn)(SysBusDevice *dev); | |
| 29 | ||
| 30 | /* Macros to compensate for lack of type inheritance in C. */ | |
| 31 | #define sysbus_from_qdev(dev) ((SysBusDevice *)(dev)) | |
| 32 | #define FROM_SYSBUS(type, dev) DO_UPCAST(type, busdev, dev) | |
| 33 | ||
| 1431b6a1 PB |
34 | typedef struct { |
| 35 | DeviceInfo qdev; | |
| 36 | sysbus_initfn init; | |
| 37 | } SysBusDeviceInfo; | |
| 38 | ||
| aae9460e | 39 | void sysbus_register_dev(const char *name, size_t size, sysbus_initfn init); |
| 1431b6a1 PB |
40 | void sysbus_register_withprop(const char *name, size_t size, |
| 41 | SysBusDeviceInfo *info); | |
| aae9460e PB |
42 | void *sysbus_new(void); |
| 43 | void sysbus_init_mmio(SysBusDevice *dev, target_phys_addr_t size, int iofunc); | |
| 44 | void sysbus_init_mmio_cb(SysBusDevice *dev, target_phys_addr_t size, | |
| 45 | mmio_mapfunc cb); | |
| 46 | void sysbus_init_irq(SysBusDevice *dev, qemu_irq *p); | |
| 47 | void sysbus_pass_irq(SysBusDevice *dev, SysBusDevice *target); | |
| 48 | ||
| 49 | ||
| 50 | void sysbus_connect_irq(SysBusDevice *dev, int n, qemu_irq irq); | |
| 51 | void sysbus_mmio_map(SysBusDevice *dev, int n, target_phys_addr_t addr); | |
| 52 | ||
| 53 | /* Legacy helper function for creating devices. */ | |
| 54 | DeviceState *sysbus_create_varargs(const char *name, | |
| 55 | target_phys_addr_t addr, ...); | |
| 56 | static inline DeviceState *sysbus_create_simple(const char *name, | |
| 57 | target_phys_addr_t addr, | |
| 58 | qemu_irq irq) | |
| 59 | { | |
| 60 | return sysbus_create_varargs(name, addr, irq, NULL); | |
| 61 | } | |
| 62 | ||
| 63 | #endif /* !HW_SYSBUS_H */ |