mirror of
https://github.com/xemu-project/xemu.git
synced 2024-11-27 21:40:49 +00:00
6bef043655
As an alternative to the 3 individual handlers, there is also a simplified io mem hook function. To be consistent, let's add an endianness parameter there too. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
28 lines
981 B
C
28 lines
981 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 *, int endian);
|
|
/* io port handler: can supply only read or write handlers. */
|
|
int register_ioport_simple(ReadWriteHandler *,
|
|
pio_addr_t start, int length, int size);
|
|
|
|
#endif
|