| 1 |
/* |
| 2 |
* mon.h - Machine language monitor |
| 3 |
* |
| 4 |
* (C) 1997-1999 Christian Bauer |
| 5 |
*/ |
| 6 |
|
| 7 |
#ifndef _MON_H_ |
| 8 |
#define _MON_H_ |
| 9 |
|
| 10 |
|
| 11 |
// Version/revision |
| 12 |
const int MON_VERSION = 2; |
| 13 |
const int MON_REVISION = 2; |
| 14 |
|
| 15 |
|
| 16 |
// Data types |
| 17 |
#if __BEOS__ |
| 18 |
#include <SupportDefs.h> |
| 19 |
#else |
| 20 |
typedef signed char int8; |
| 21 |
typedef unsigned char uint8; |
| 22 |
typedef signed short int16; |
| 23 |
typedef unsigned short uint16; |
| 24 |
typedef signed long int32; |
| 25 |
typedef unsigned long uint32; |
| 26 |
#endif |
| 27 |
|
| 28 |
|
| 29 |
// Initialization, deinitialization and invocation |
| 30 |
void mon_init(void); |
| 31 |
void mon_exit(void); |
| 32 |
void mon(int argc, char **argv); |
| 33 |
|
| 34 |
|
| 35 |
/* |
| 36 |
* Definitions for adding commands to mon |
| 37 |
*/ |
| 38 |
|
| 39 |
// Maximum input length |
| 40 |
const int INPUT_LENGTH = 256; |
| 41 |
|
| 42 |
// Input tokens |
| 43 |
enum Token { |
| 44 |
T_NULL, // Invalid token |
| 45 |
T_END, // End of line |
| 46 |
T_NUMBER, // Hexadecimal/decimal number (uint32) |
| 47 |
T_STRING, // String enclosed in "" |
| 48 |
T_NAME, // Variable name |
| 49 |
T_DOT, // '.' |
| 50 |
T_COLON, // ':' |
| 51 |
T_COMMA, // ',' |
| 52 |
T_LPAREN, // '(' |
| 53 |
T_RPAREN, // ')' |
| 54 |
T_PLUS, // '+' |
| 55 |
T_MINUS, // '-' |
| 56 |
T_MUL, // '*' |
| 57 |
T_DIV, // '/' |
| 58 |
T_MOD, // '%' |
| 59 |
T_AND, // '&' |
| 60 |
T_OR, // '|' |
| 61 |
T_EOR, // '^' |
| 62 |
T_SHIFTL, // '<<' |
| 63 |
T_SHIFTR, // '>>' |
| 64 |
T_NOT, // '~' |
| 65 |
T_ASSIGN // '=' |
| 66 |
}; |
| 67 |
|
| 68 |
// Scanner variables |
| 69 |
extern enum Token mon_token; // Last token read |
| 70 |
extern uint32 mon_number; // Contains the number if mon_token==T_NUMBER |
| 71 |
extern char mon_string[INPUT_LENGTH]; // Contains the string if mon_token==T_STRING |
| 72 |
extern char mon_name[INPUT_LENGTH]; // Contains the variable name if mon_token==T_NAME |
| 73 |
|
| 74 |
// Streams for input, output and error messages |
| 75 |
extern FILE *monin, *monout, *monerr; |
| 76 |
|
| 77 |
// Current address, value of '.' in expressions |
| 78 |
extern uint32 mon_dot_address; |
| 79 |
|
| 80 |
extern bool mon_use_real_mem; // Flag: mon is using real memory |
| 81 |
extern uint32 mon_mem_size; // Size of mon buffer (if mon_use_real_mem = false) |
| 82 |
|
| 83 |
// Add command to mon |
| 84 |
extern void mon_add_command(const char *name, void (*func)(void), const char *help_text); |
| 85 |
|
| 86 |
// Functions for commands |
| 87 |
extern void mon_error(const char *s); // Print error message |
| 88 |
extern enum Token mon_get_token(void); // Get next token |
| 89 |
extern bool mon_expression(uint32 *number); // Parse expression |
| 90 |
extern bool mon_aborted(void); // Check if Ctrl-C was pressed |
| 91 |
extern uint32 mon_read_byte(uint32 adr); // Memory access |
| 92 |
extern void mon_write_byte(uint32 adr, uint32 b); |
| 93 |
extern uint32 mon_read_half(uint32 adr); |
| 94 |
extern void mon_write_half(uint32 adr, uint32 w); |
| 95 |
extern uint32 mon_read_word(uint32 adr); |
| 96 |
extern void mon_write_word(uint32 adr, uint32 l); |
| 97 |
|
| 98 |
#endif |
