Subversion Repositories igor

#ifndef _IO_H_

#define _IO_H_

#include <inttypes.h>

#include "regs.h"

#define IO_AREA_MASK  0x3FFFF00

#define IO_DEVICES    0x00

#define IO_CURDEV     0x01

#define IO_CLI        0x02

#define IO_SAI        0x03

#define IO_INTRDEV    0x04

#define IO_OBJECT     0x10

#define IO_ADDR_L     0x11

#define IO_ADDR_H     0x12

#define IO_SIZE_L     0x13

#define IO_SIZE_H     0x14

#define IO_STATUS     0x15

#define IO_IDENT      0x16

#define IO_IRQENABLE  0x17

#define MAX_DEVICES   0x05

#define DEV_BOOT      0x03

#define DEV_TERMINAL  0x02

#define DEV_SERIAL    0x00

#define DEV_STORAGE   0x01

#define DEV_NETWORK   0x04

// identification register:

#define CAN_READ      0x01

#define CAN_WRITE     0x02

#define ADDR_READ     0x04

#define ADDR_WRITE    0x08

#define DEVTYPE_MASK  0xFF

#define DEVTYPE_SHIFT 0x04

// status register:

#define READY_READ    0x01

#define READY_WRITE   0x02

#define ERRCODE_MASK  0xFF

#define ERRCODE_SHIFT 0x02

typedef struct {

        uint64_t addr;

        uint64_t size;

        uint32_t status;

        uint32_t ident;

        int irqenable;

        int make_object;

        FILE *fr, *fw;

} device_t;

void io_init(void);

void io_set_file(uint32_t devnr, char *filename);

void io_set_files(uint32_t devnr, char *readfile, char *writefile);

void io_memory_set(unsigned int pos, reg_t value);

reg_t io_memory_get(unsigned int pos);

#endif