programs/other/tte/console_obj.h

   1 // Console.obj loading for kos32-gcc
   2 // Writed by rgimad and maxcodehack
   3
   4 #include <string.h>
   5 #include <stdlib.h>
   6
   7 #ifndef CONSOLE_OBJ_H
   8 #define CONSOLE_OBJ_H
   9
  10 #ifdef __cplusplus
  11 extern "C" {
  12 #endif
  13
  14 #ifndef NULL
  15 #define NULL 0
  16 #endif
  17
  18 #ifndef cdecl
  19 #define cdecl   __attribute__ ((cdecl))
  20 #endif
  21
  22 #ifndef stdcall
  23 #define stdcall __attribute__ ((stdcall))
  24 #endif
  25
  26 typedef unsigned int dword;
  27 typedef unsigned short word;
  28
  29 const char* imports[] = {
  30         "START", "version", "con_init", "con_write_asciiz", "con_write_string",
  31         "con_printf", "con_exit", "con_get_flags", "con_set_flags", "con_kbhit",
  32         "con_getch", "con_getch2", "con_gets", "con_gets2", "con_get_font_height",
  33         "con_get_cursor_height", "con_set_cursor_height",  "con_cls",
  34         "con_get_cursor_pos", "con_set_cursor_pos", "con_set_title",
  35         (char*)0
  36 };
  37
  38 dword *version;
  39
  40 typedef int (stdcall * con_gets2_callback)(int keycode, char** pstr, int* pn,
  41         int* ppos);
  42
  43 void stdcall (*con_init)(dword wnd_width, dword wnd_height, dword scr_width, dword scr_height, const char* title) = 0;
  44 void stdcall (*con_exit)(int bCloseWindow) = 0;
  45 void stdcall (*con_set_title)(const char* title) = 0;
  46 void stdcall (*con_write_asciiz)(const char* str) = 0;
  47 void stdcall (*con_write_string)(const char* str, dword length) = 0;
  48 int cdecl (*con_printf)(const char* format, ...) = 0;
  49 dword stdcall (*con_get_flags)(void) = 0;
  50 dword stdcall (*con_set_flags)(dword new_flags) = 0;
  51 int stdcall (*con_get_font_height)(void) = 0;
  52 int stdcall (*con_get_cursor_height)(void) = 0;
  53 int stdcall (*con_set_cursor_height)(int new_height) = 0;
  54 int stdcall (*con_getch)(void) = 0;
  55 word stdcall (*con_getch2)(void) = 0;
  56 int stdcall (*con_kbhit)(void) = 0;
  57 char* stdcall (*con_gets)(char* str, int n) = 0;
  58 char* stdcall (*con_gets2)(con_gets2_callback callback, char* str, int n) = 0;
  59 void stdcall (*con_cls)() = 0;
  60 void stdcall (*con_get_cursor_pos)(int* px, int* py) = 0;
  61 void stdcall (*con_set_cursor_pos)(int x, int y) = 0;
  62
  63 const char lib_path[] = "/sys/lib/console.obj";
  64
  65 void* load_library(const char *name)
  66 {
  67     void *table;
  68     __asm__ __volatile__(
  69     "int $0x40"
  70     :"=a"(table)
  71     :"a"(68), "b"(19), "c"(name));
  72     return table;
  73 }
  74
  75 void *load_library_procedure(void *exports, const char *name)
  76 {
  77         if (exports == NULL) { return 0; }
  78         while (*(dword*)exports != 0)
  79         {
  80                 char *str1 = (char*)(*(dword*)exports);
  81                 if (strcmp(str1, name) == 0)
  82                 {
  83             void *ptr = (void*)*(dword*)(exports + 4);
  84                         return ptr;
  85                 }
  86                 exports += 8;
  87         }
  88         return 0;
  89 }
  90
  91 void output_debug_string(const char *s)
  92 {
  93         unsigned int i = 0;
  94         while(*(s + i))
  95         {
  96                 asm volatile ("int $0x40"::"a"(63), "b"(1), "c"(*(s + i)));
  97                 i++;
  98         }
  99 }
 100
 101 void load_console()
 102 {
 103         void *lib = load_library(lib_path);
 104
 105         if (!lib)
 106         {
 107                 output_debug_string("Console.obj loading error\r\n");
 108                 exit(1);
 109         }
 110
 111     dword (*start_lib)(dword) = (dword(*)(dword))load_library_procedure(lib, imports[0]);
 112
 113     version = (dword*)load_library_procedure(lib, imports[1]);
 114
 115     con_init = (void stdcall(*)(dword,dword,dword,dword,const char*))load_library_procedure(lib, imports[2]);
 116     con_write_asciiz = (void stdcall(*)(const char*))load_library_procedure(lib, imports[3]);
 117     con_write_string = (void stdcall(*)(const char*,dword))load_library_procedure(lib, imports[4]);
 118     con_printf = (int cdecl(*)(const char*,...))load_library_procedure(lib, imports[5]);
 119     con_exit = (void stdcall(*)(int))load_library_procedure(lib, imports[6]);
 120     con_get_flags = (dword stdcall(*)(void))load_library_procedure(lib, imports[7]);
 121     con_set_flags = (dword stdcall(*)(dword))load_library_procedure(lib, imports[8]);
 122     con_kbhit = (int stdcall(*)(void))load_library_procedure(lib, imports[9]);
 123     con_getch = (int stdcall(*)(void))load_library_procedure(lib, imports[10]);
 124     con_getch2 = (word stdcall(*)(void))load_library_procedure(lib, imports[11]);
 125     con_gets = (char* stdcall(*)(char*,int))load_library_procedure(lib, imports[12]);
 126     con_gets2 = (char* stdcall(*)(con_gets2_callback,char*,int))load_library_procedure(lib, imports[13]);
 127     con_get_font_height = (int stdcall(*)(void))load_library_procedure(lib, imports[14]);
 128     con_get_cursor_height = (int stdcall(*)(void))load_library_procedure(lib, imports[15]);
 129     con_set_cursor_height = (int stdcall(*)(int))load_library_procedure(lib, imports[16]);
 130     con_cls     = (void stdcall(*)(void))load_library_procedure(lib, imports[17]);
 131     con_get_cursor_pos = (void stdcall(*)(int*,int*))load_library_procedure(lib, imports[18]);
 132         con_set_cursor_pos = (void stdcall(*)(int,int))load_library_procedure(lib, imports[19]);
 133         con_set_title = (void stdcall(*)(const char*))load_library_procedure(lib, imports[20]);
 134
 135 }
 136
 137 #ifdef __cplusplus
 138 }
 139 #endif
 140
 141 #endif