Subversion Repositories Kolibri OS

Rev

Go to most recent revision | Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
8519 maxcodehac 1
// Console.obj loading for kos32-gcc
2
// Writed by rgimad and maxcodehack
3
//
4
// Usage:
5
//       #include 
6
//       load_console();
7
//
8
 
9
 
10
#include 
11
#include 
12
 
13
#ifndef CONSOLE_OBJ_H
14
#define CONSOLE_OBJ_H
15
 
16
#ifdef __cplusplus
17
extern "C" {
18
#endif
19
 
20
#ifndef NULL
21
#define NULL 0
22
#endif
23
 
24
#ifndef cdecl
25
#define cdecl   __attribute__ ((cdecl))
26
#endif
27
 
28
#ifndef stdcall
29
#define stdcall __attribute__ ((stdcall))
30
#endif
31
 
32
typedef unsigned int dword;
33
typedef unsigned short word;
34
 
35
const char* imports[] = {
36
        "START", "version", "con_init", "con_write_asciiz", "con_write_string",
37
        "con_printf", "con_exit", "con_get_flags", "con_set_flags", "con_kbhit",
38
        "con_getch", "con_getch2", "con_gets", "con_gets2", "con_get_font_height",
39
        "con_get_cursor_height", "con_set_cursor_height",  "con_cls",
40
        "con_get_cursor_pos", "con_set_cursor_pos", "con_set_title",
41
        (char*)0
42
};
43
 
44
dword *version;
45
 
46
typedef int (stdcall * con_gets2_callback)(int keycode, char** pstr, int* pn,
47
	int* ppos);
48
 
49
void stdcall (*con_init)(dword wnd_width, dword wnd_height, dword scr_width, dword scr_height, const char* title) = 0;
50
void stdcall (*con_exit)(int bCloseWindow) = 0;
51
void stdcall (*con_set_title)(const char* title) = 0;
52
void stdcall (*con_write_asciiz)(const char* str) = 0;
53
void stdcall (*con_write_string)(const char* str, dword length) = 0;
54
int cdecl (*con_printf)(const char* format, ...) = 0;
55
dword stdcall (*con_get_flags)(void) = 0;
56
dword stdcall (*con_set_flags)(dword new_flags) = 0;
57
int stdcall (*con_get_font_height)(void) = 0;
58
int stdcall (*con_get_cursor_height)(void) = 0;
59
int stdcall (*con_set_cursor_height)(int new_height) = 0;
60
int stdcall (*con_getch)(void) = 0;
61
word stdcall (*con_getch2)(void) = 0;
62
int stdcall (*con_kbhit)(void) = 0;
63
char* stdcall (*con_gets)(char* str, int n) = 0;
64
char* stdcall (*con_gets2)(con_gets2_callback callback, char* str, int n) = 0;
65
void stdcall (*con_cls)() = 0;
66
void stdcall (*con_get_cursor_pos)(int* px, int* py) = 0;
67
void stdcall (*con_set_cursor_pos)(int x, int y) = 0;
68
 
69
const char lib_path[] = "/sys/lib/console.obj";
70
 
71
void* load_library(const char *name)
72
{
73
    void *table;
74
    __asm__ __volatile__(
75
    "int $0x40"
76
    :"=a"(table)
77
    :"a"(68), "b"(19), "c"(name));
78
    return table;
79
}
80
 
81
void *load_library_procedure(void *exports, const char *name)
82
{
83
	if (exports == NULL) { return 0; }
84
	while (*(dword*)exports != 0)
85
	{
86
		char *str1 = (char*)(*(dword*)exports);
87
		if (strcmp(str1, name) == 0)
88
		{
89
            void *ptr = (void*)*(dword*)(exports + 4);
90
			return ptr;
91
		}
92
		exports += 8;
93
	}
94
	return 0;
95
}
96
 
97
void output_debug_string(const char *s)
98
{
99
	unsigned int i = 0;
100
	while(*(s + i))
101
	{
102
		__asm__ __volatile__ ("int $0x40"::"a"(63), "b"(1), "c"(*(s + i)));
103
		i++;
104
	}
105
}
106
 
107
void load_console()
108
{
109
	void *lib = load_library(lib_path);
110
 
111
	if (!lib)
112
	{
113
		output_debug_string("Console.obj loading error\r\n");
114
		exit(1);
115
	}
116
 
117
    dword (*start_lib)(dword) = (dword(*)(dword))load_library_procedure(lib, imports[0]);
118
 
119
    version = (dword*)load_library_procedure(lib, imports[1]);
120
 
121
    con_init = (void stdcall(*)(dword,dword,dword,dword,const char*))load_library_procedure(lib, imports[2]);
122
    con_write_asciiz = (void stdcall(*)(const char*))load_library_procedure(lib, imports[3]);
123
    con_write_string = (void stdcall(*)(const char*,dword))load_library_procedure(lib, imports[4]);
124
    con_printf = (int cdecl(*)(const char*,...))load_library_procedure(lib, imports[5]);
125
    con_exit = (void stdcall(*)(int))load_library_procedure(lib, imports[6]);
126
    con_get_flags = (dword stdcall(*)(void))load_library_procedure(lib, imports[7]);
127
    con_set_flags = (dword stdcall(*)(dword))load_library_procedure(lib, imports[8]);
128
    con_kbhit = (int stdcall(*)(void))load_library_procedure(lib, imports[9]);
129
    con_getch = (int stdcall(*)(void))load_library_procedure(lib, imports[10]);
130
    con_getch2 = (word stdcall(*)(void))load_library_procedure(lib, imports[11]);
131
    con_gets = (char* stdcall(*)(char*,int))load_library_procedure(lib, imports[12]);
132
    con_gets2 = (char* stdcall(*)(con_gets2_callback,char*,int))load_library_procedure(lib, imports[13]);
133
    con_get_font_height	= (int stdcall(*)(void))load_library_procedure(lib, imports[14]);
134
    con_get_cursor_height = (int stdcall(*)(void))load_library_procedure(lib, imports[15]);
135
    con_set_cursor_height = (int stdcall(*)(int))load_library_procedure(lib, imports[16]);
136
    con_cls	= (void stdcall(*)(void))load_library_procedure(lib, imports[17]);
137
    con_get_cursor_pos = (void stdcall(*)(int*,int*))load_library_procedure(lib, imports[18]);
138
	con_set_cursor_pos = (void stdcall(*)(int,int))load_library_procedure(lib, imports[19]);
139
	con_set_title = (void stdcall(*)(const char*))load_library_procedure(lib, imports[20]);
140
 
141
}
142
 
143
#ifdef __cplusplus
144
}
145
#endif
146
 
147
#endif