1  /*
 2   * cpu8051.h
 3   *
 4   * Copyright (C) 1999 Jonathan St-André
 5   * Copyright (C) 1999 Hugo Villeneuve <hugo@hugovil.com>
 6   *
 7   * This file is released under the GPLv2
 8   */
 9  
10  #ifndef CPU8051_H
11  #define CPU8051_H 1
12  
13  #include <stdint.h>
14  
15  /* Maximum number of BreakPoints */
16  #define MAXBP 32
17  
18  #define INTERRUPT_0 (0)
19  #define INTERRUPT_1 (1)
20  #define INTERRUPT_2 (2)
21  #define INTERRUPT_3 (3)
22  #define INTERRUPT_4 (4)
23  #define INTERRUPT_5 (5)
24  #define INTERRUPT_MASK(n) (1 << n)
25  
26  #define INTERRUPT_PRIORITY_HIGH     (1)
27  #define INTERRUPT_PRIORITY_LOW      (0)
28  
29  struct cpu8051_t {
30  	unsigned int pc; /* Program counter */
31  	unsigned long clock;
32  	int active_priority;
33  	int bp_count;
34  	unsigned int bp[MAXBP]; /* List of breakpoints */
35  };
36  
37  /* Exported variables */
38  #undef _SCOPE_
39  #ifdef CPU8051_M
40  #  define _SCOPE_ /**/
41  #else
42  #  define _SCOPE_ extern
43  #endif
44  
45  _SCOPE_ struct cpu8051_t cpu8051;
46  
47  int
48  breakpoint_is_defined(unsigned int address);
49  
50  void
51  breakpoints_show(void);
52  
53  void
54  breakpoint_set(unsigned int address);
55  
56  void
57  breakpoint_clr(unsigned int address);
58  
59  void
60  breakpoints_clr_all(void);
61  
62  void
63  breakpoint_toggle(unsigned int address);
64  
65  void
66  cpu8051_init(void);
67  
68  int
69  cpu8051_exec(void);
70  
71  int
72  cpu8051_run(int instr_count, int (*interface_stop)(void));
73  
74  void
75  cpu8051_reset(void);
76  
77  int
78  cpu8051_disasm_mnemonic(unsigned char opcode, char *buf);
79  
80  void
81  cpu8051_disasm_args(unsigned int address, char *buf);
82  
83  int
84  cpu8051_disasm(unsigned int address, char *text);
85  
86  #endif /* CPU8051_H */