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  1. /*
  2.  * 86Box    A hypervisor and IBM PC system emulator that specializes in
  3.  *      running old operating systems and software designed for IBM
  4.  *      PC systems and compatibles from 1981 through fairly recent
  5.  *      system designs based on the PCI bus.
  6.  *
  7.  *      This file is part of the 86Box distribution.
  8.  *
  9.  *      Emulation for other CPUs than x86.
  10.  *
  11.  * Version: @(#)othercpu.h  1.0.0   2019/10/15
  12.  *
  13.  * Authors: Melissa Goad
  14.  *
  15.  *      Copyright 2019 Melissa Goad.
  16.  */
  17. #include <stdio.h>
  18. #include <stdint.h>
  19. #include <string.h>
  20. #include <stdarg.h>
  21. #include <stdlib.h>
  22. #include <wchar.h>
  23. #include "../86box.h"
  24. #include "../device.h"
  25. #include "../timer.h"
  26.  
  27. enum
  28. {
  29.     DATABUS_8BIT,
  30.     DATABUS_16BIT,
  31.     DATABUS_32BIT,
  32.     DATABUS_64BIT
  33. };
  34.  
  35. typedef struct _othercpu_device_
  36. {
  37.     int databus_width;
  38.     uint64_t addressbus_mask;
  39.     int num_memory_spaces;
  40.  
  41.     uint8_t (*read_byte)(int space, uint64_t addr, void *priv);
  42.     uint16_t (*read_word)(int space, uint64_t addr, void *priv);
  43.     uint32_t (*read_dword)(int space, uint64_t addr, void *priv);
  44.     uint64_t (*read_qword)(int space, uint64_t addr, void *priv);
  45.  
  46.     void (*write_byte)(int space, uint64_t addr, uint8_t val, void *priv);
  47.     void (*write_word)(int space, uint64_t addr, uint16_t val, void *priv);
  48.     void (*write_dword)(int space, uint64_t addr, uint32_t val, void *priv);
  49.     void (*write_qword)(int space, uint64_t addr, uint64_t val, void *priv);
  50.  
  51.     pc_timer_t clock_timer;
  52.  
  53.     uint64_t clock;
  54.  
  55.     device_t device;
  56. } othercpu_device_t;
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