| #ifndef HW_SYSBUS_H |
| #define HW_SYSBUS_H 1 |
| |
| /* Devices attached directly to the main system bus. */ |
| |
| #include "qdev.h" |
| #include "memory.h" |
| |
| #define QDEV_MAX_MMIO 32 |
| #define QDEV_MAX_PIO 32 |
| #define QDEV_MAX_IRQ 256 |
| |
| typedef struct SysBusDevice SysBusDevice; |
| typedef void (*mmio_mapfunc)(SysBusDevice *dev, target_phys_addr_t addr); |
| |
| struct SysBusDevice { |
| DeviceState qdev; |
| int num_irq; |
| qemu_irq irqs[QDEV_MAX_IRQ]; |
| qemu_irq *irqp[QDEV_MAX_IRQ]; |
| int num_mmio; |
| struct { |
| target_phys_addr_t addr; |
| mmio_mapfunc cb; |
| mmio_mapfunc unmap; |
| MemoryRegion *memory; |
| } mmio[QDEV_MAX_MMIO]; |
| int num_pio; |
| pio_addr_t pio[QDEV_MAX_PIO]; |
| }; |
| |
| typedef int (*sysbus_initfn)(SysBusDevice *dev); |
| |
| /* Macros to compensate for lack of type inheritance in C. */ |
| #define sysbus_from_qdev(dev) ((SysBusDevice *)(dev)) |
| #define FROM_SYSBUS(type, dev) DO_UPCAST(type, busdev, dev) |
| |
| typedef struct { |
| DeviceInfo qdev; |
| sysbus_initfn init; |
| } SysBusDeviceInfo; |
| |
| void sysbus_register_dev(const char *name, size_t size, sysbus_initfn init); |
| void sysbus_register_withprop(SysBusDeviceInfo *info); |
| void *sysbus_new(void); |
| void sysbus_init_mmio_cb2(SysBusDevice *dev, |
| mmio_mapfunc cb, mmio_mapfunc unmap); |
| void sysbus_init_mmio(SysBusDevice *dev, MemoryRegion *memory); |
| MemoryRegion *sysbus_mmio_get_region(SysBusDevice *dev, int n); |
| void sysbus_init_irq(SysBusDevice *dev, qemu_irq *p); |
| void sysbus_pass_irq(SysBusDevice *dev, SysBusDevice *target); |
| void sysbus_init_ioports(SysBusDevice *dev, pio_addr_t ioport, pio_addr_t size); |
| |
| |
| void sysbus_connect_irq(SysBusDevice *dev, int n, qemu_irq irq); |
| void sysbus_mmio_map(SysBusDevice *dev, int n, target_phys_addr_t addr); |
| void sysbus_add_memory(SysBusDevice *dev, target_phys_addr_t addr, |
| MemoryRegion *mem); |
| void sysbus_add_memory_overlap(SysBusDevice *dev, target_phys_addr_t addr, |
| MemoryRegion *mem, unsigned priority); |
| void sysbus_del_memory(SysBusDevice *dev, MemoryRegion *mem); |
| void sysbus_add_io(SysBusDevice *dev, target_phys_addr_t addr, |
| MemoryRegion *mem); |
| void sysbus_del_io(SysBusDevice *dev, MemoryRegion *mem); |
| |
| /* Legacy helper function for creating devices. */ |
| DeviceState *sysbus_create_varargs(const char *name, |
| target_phys_addr_t addr, ...); |
| DeviceState *sysbus_try_create_varargs(const char *name, |
| target_phys_addr_t addr, ...); |
| static inline DeviceState *sysbus_create_simple(const char *name, |
| target_phys_addr_t addr, |
| qemu_irq irq) |
| { |
| return sysbus_create_varargs(name, addr, irq, NULL); |
| } |
| |
| static inline DeviceState *sysbus_try_create_simple(const char *name, |
| target_phys_addr_t addr, |
| qemu_irq irq) |
| { |
| return sysbus_try_create_varargs(name, addr, irq, NULL); |
| } |
| |
| #endif /* !HW_SYSBUS_H */ |