| #ifndef HW_SYSBUS_H |
| #define HW_SYSBUS_H 1 |
| |
| /* Devices attached directly to the main system bus. */ |
| |
| #include "exec/hwaddr.h" |
| #include "hw/qdev.h" |
| |
| #define QDEV_MAX_MMIO 5 |
| #define QDEV_MAX_IRQ 32 |
| |
| typedef struct SysBusDevice SysBusDevice; |
| typedef void (*mmio_mapfunc)(SysBusDevice *dev, hwaddr addr); |
| |
| struct SysBusDevice { |
| DeviceState qdev; |
| int num_irq; |
| qemu_irq irqs[QDEV_MAX_IRQ]; |
| qemu_irq *irqp[QDEV_MAX_IRQ]; |
| int num_mmio; |
| struct { |
| hwaddr addr; |
| hwaddr size; |
| mmio_mapfunc cb; |
| int iofunc; |
| } mmio[QDEV_MAX_MMIO]; |
| }; |
| |
| typedef void (*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(SysBusDevice *dev, hwaddr size, int iofunc); |
| void sysbus_init_mmio_cb(SysBusDevice *dev, hwaddr size, |
| mmio_mapfunc cb); |
| void sysbus_init_irq(SysBusDevice *dev, qemu_irq *p); |
| void sysbus_pass_irq(SysBusDevice *dev, SysBusDevice *target); |
| |
| |
| void sysbus_connect_irq(SysBusDevice *dev, int n, qemu_irq irq); |
| void sysbus_mmio_map(SysBusDevice *dev, int n, hwaddr addr); |
| |
| /* Legacy helper function for creating devices. */ |
| DeviceState *sysbus_create_varargs(const char *name, |
| hwaddr addr, ...); |
| static inline DeviceState *sysbus_create_simple(const char *name, |
| hwaddr addr, |
| qemu_irq irq) |
| { |
| return sysbus_create_varargs(name, addr, irq, NULL); |
| } |
| |
| #endif /* !HW_SYSBUS_H */ |