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