Subversion Repositories ao486

#ifndef __SHARED_MEM_H

#define __SHARED_MEM_H

typedef unsigned char  uint8;

typedef unsigned short uint16;

typedef unsigned int   uint32;

typedef unsigned long  uint64;

union memory_t {

    uint8  bytes [134217728];

    uint16 shorts[67108864];

    uint32 ints  [33554432];

};

enum step_t {

    STEP_IDLE = 0,

    STEP_REQ  = 1,

    STEP_ACK  = 2

};

struct processor_t {

    step_t starting;

    uint32 instr_counter;

    step_t stop;

    uint32 io_address;

    uint32 io_data;

    uint32 io_byteenable;

    uint32 io_is_write;

    step_t io_step;

    uint32 mem_address;

    uint32 mem_data;

    uint32 mem_byteenable;

    uint32 mem_is_write;

    step_t mem_step;

};

struct shared_mem_t {

    processor_t bochs486_pc;

    processor_t ao486;

    processor_t combined;

    uint32 dump_enabled;

    uint32 interrupt_vector;

    uint32 interrupt_at_counter;

    step_t bochsDevs_starting;

    step_t bochsDevs_stop;

    step_t hdd_irq_step;

    step_t pit_irq_step;

    step_t rtc_irq_step;

    step_t floppy_irq_step;

    step_t keyboard_irq_step;

    step_t mouse_irq_step;

    uint32 irq_do_vector;

    step_t irq_do;

    uint32 irq_done_vector;

    step_t irq_done;

    memory_t mem;

};

#endif //__SHARED_MEM_H