mirror of
https://github.com/qemu/qemu.git
synced 2024-11-25 11:53:39 +08:00
c2d0d01202
Not used yet, but at least we're provided with the correct region. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Avi Kivity <avi@redhat.com>
57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
#ifndef HW_ISA_H
|
|
#define HW_ISA_H
|
|
|
|
/* ISA bus */
|
|
|
|
#include "ioport.h"
|
|
#include "memory.h"
|
|
#include "qdev.h"
|
|
|
|
typedef struct ISABus ISABus;
|
|
typedef struct ISADevice ISADevice;
|
|
typedef struct ISADeviceInfo ISADeviceInfo;
|
|
|
|
struct ISADevice {
|
|
DeviceState qdev;
|
|
uint32_t isairq[2];
|
|
int nirqs;
|
|
uint16_t ioports[32];
|
|
int nioports;
|
|
};
|
|
|
|
typedef int (*isa_qdev_initfn)(ISADevice *dev);
|
|
struct ISADeviceInfo {
|
|
DeviceInfo qdev;
|
|
isa_qdev_initfn init;
|
|
};
|
|
|
|
ISABus *isa_bus_new(DeviceState *dev, MemoryRegion *address_space_io);
|
|
void isa_bus_irqs(qemu_irq *irqs);
|
|
qemu_irq isa_get_irq(int isairq);
|
|
void isa_init_irq(ISADevice *dev, qemu_irq *p, int isairq);
|
|
void isa_init_ioport(ISADevice *dev, uint16_t ioport);
|
|
void isa_init_ioport_range(ISADevice *dev, uint16_t start, uint16_t length);
|
|
void isa_qdev_register(ISADeviceInfo *info);
|
|
MemoryRegion *isa_address_space(ISADevice *dev);
|
|
ISADevice *isa_create(const char *name);
|
|
ISADevice *isa_try_create(const char *name);
|
|
ISADevice *isa_create_simple(const char *name);
|
|
|
|
extern target_phys_addr_t isa_mem_base;
|
|
|
|
void isa_mmio_setup(MemoryRegion *mr, target_phys_addr_t size);
|
|
void isa_mmio_init(target_phys_addr_t base, target_phys_addr_t size);
|
|
|
|
/* dma.c */
|
|
int DMA_get_channel_mode (int nchan);
|
|
int DMA_read_memory (int nchan, void *buf, int pos, int size);
|
|
int DMA_write_memory (int nchan, void *buf, int pos, int size);
|
|
void DMA_hold_DREQ (int nchan);
|
|
void DMA_release_DREQ (int nchan);
|
|
void DMA_schedule(int nchan);
|
|
void DMA_init(int high_page_enable, qemu_irq *cpu_request_exit);
|
|
void DMA_register_channel (int nchan,
|
|
DMA_transfer_handler transfer_handler,
|
|
void *opaque);
|
|
#endif
|