mirror of
https://github.com/xemu-project/xemu.git
synced 2024-11-24 03:59:52 +00:00
28 lines
969 B
C
28 lines
969 B
C
|
#ifndef READ_WRITE_HANDLER_H
|
||
|
|
#define READ_WRITE_HANDLER_H
|
||
|
|
|
||
|
|
#include "qemu-common.h"
|
||
|
|
#include "ioport.h"
|
||
|
|
|
||
|
|
typedef struct ReadWriteHandler ReadWriteHandler;
|
||
|
|
|
||
|
|
/* len is guaranteed to be one of 1, 2 or 4, addr is guaranteed to fit in an
|
||
|
|
* appropriate type (io/memory/etc). They do not need to be range checked. */
|
||
|
|
typedef void WriteHandlerFunc(ReadWriteHandler *, pcibus_t addr,
|
||
|
|
uint32_t value, int len);
|
||
|
|
typedef uint32_t ReadHandlerFunc(ReadWriteHandler *, pcibus_t addr, int len);
|
||
|
|
|
||
|
|
struct ReadWriteHandler {
|
||
|
|
WriteHandlerFunc *write;
|
||
|
|
ReadHandlerFunc *read;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Helpers for when we want to use a single routine with length. */
|
||
|
|
/* CPU memory handler: both read and write must be present. */
|
||
|
|
int cpu_register_io_memory_simple(ReadWriteHandler *);
|
||
|
|
/* io port handler: can supply only read or write handlers. */
|
||
|
|
int register_ioport_simple(ReadWriteHandler *,
|
||
|
|
pio_addr_t start, int length, int size);
|
||
|
|
|
||
|
|
#endif
|