142 lines
4.8 KiB
C
Executable File
142 lines
4.8 KiB
C
Executable File
// Console.obj loading for kos32-gcc
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// Writed by rgimad and maxcodehack
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#include <string.h>
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#include <stdlib.h>
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#ifndef CONSOLE_OBJ_H
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#define CONSOLE_OBJ_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef NULL
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#define NULL 0
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#endif
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#ifndef cdecl
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#define cdecl __attribute__ ((cdecl))
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#endif
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#ifndef stdcall
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#define stdcall __attribute__ ((stdcall))
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#endif
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typedef unsigned int dword;
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typedef unsigned short word;
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const char* imports[] = {
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"START", "version", "con_init", "con_write_asciiz", "con_write_string",
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"con_printf", "con_exit", "con_get_flags", "con_set_flags", "con_kbhit",
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"con_getch", "con_getch2", "con_gets", "con_gets2", "con_get_font_height",
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"con_get_cursor_height", "con_set_cursor_height", "con_cls",
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"con_get_cursor_pos", "con_set_cursor_pos", "con_set_title",
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(char*)0
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};
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dword *version;
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typedef int (stdcall * con_gets2_callback)(int keycode, char** pstr, int* pn,
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int* ppos);
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void stdcall (*con_init)(dword wnd_width, dword wnd_height, dword scr_width, dword scr_height, const char* title) = 0;
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void stdcall (*con_exit)(int bCloseWindow) = 0;
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void stdcall (*con_set_title)(const char* title) = 0;
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void stdcall (*con_write_asciiz)(const char* str) = 0;
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void stdcall (*con_write_string)(const char* str, dword length) = 0;
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int cdecl (*con_printf)(const char* format, ...) = 0;
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dword stdcall (*con_get_flags)(void) = 0;
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dword stdcall (*con_set_flags)(dword new_flags) = 0;
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int stdcall (*con_get_font_height)(void) = 0;
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int stdcall (*con_get_cursor_height)(void) = 0;
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int stdcall (*con_set_cursor_height)(int new_height) = 0;
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int stdcall (*con_getch)(void) = 0;
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word stdcall (*con_getch2)(void) = 0;
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int stdcall (*con_kbhit)(void) = 0;
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char* stdcall (*con_gets)(char* str, int n) = 0;
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char* stdcall (*con_gets2)(con_gets2_callback callback, char* str, int n) = 0;
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void stdcall (*con_cls)() = 0;
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void stdcall (*con_get_cursor_pos)(int* px, int* py) = 0;
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void stdcall (*con_set_cursor_pos)(int x, int y) = 0;
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const char lib_path[] = "/sys/lib/console.obj";
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void* load_library(const char *name)
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{
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void *table;
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__asm__ __volatile__(
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"int $0x40"
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:"=a"(table)
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:"a"(68), "b"(19), "c"(name));
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return table;
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}
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void *load_library_procedure(void *exports, const char *name)
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{
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if (exports == NULL) { return 0; }
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while (*(dword*)exports != 0)
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{
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char *str1 = (char*)(*(dword*)exports);
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if (strcmp(str1, name) == 0)
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{
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void *ptr = (void*)*(dword*)(exports + 4);
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return ptr;
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}
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exports += 8;
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}
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return 0;
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}
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void output_debug_string(const char *s)
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{
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unsigned int i = 0;
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while(*(s + i))
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{
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asm volatile ("int $0x40"::"a"(63), "b"(1), "c"(*(s + i)));
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i++;
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}
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}
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void load_console()
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{
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void *lib = load_library(lib_path);
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if (!lib)
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{
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output_debug_string("Console.obj loading error\r\n");
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exit(1);
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}
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dword (*start_lib)(dword) = (dword(*)(dword))load_library_procedure(lib, imports[0]);
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version = (dword*)load_library_procedure(lib, imports[1]);
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con_init = (void stdcall(*)(dword,dword,dword,dword,const char*))load_library_procedure(lib, imports[2]);
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con_write_asciiz = (void stdcall(*)(const char*))load_library_procedure(lib, imports[3]);
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con_write_string = (void stdcall(*)(const char*,dword))load_library_procedure(lib, imports[4]);
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con_printf = (int cdecl(*)(const char*,...))load_library_procedure(lib, imports[5]);
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con_exit = (void stdcall(*)(int))load_library_procedure(lib, imports[6]);
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con_get_flags = (dword stdcall(*)(void))load_library_procedure(lib, imports[7]);
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con_set_flags = (dword stdcall(*)(dword))load_library_procedure(lib, imports[8]);
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con_kbhit = (int stdcall(*)(void))load_library_procedure(lib, imports[9]);
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con_getch = (int stdcall(*)(void))load_library_procedure(lib, imports[10]);
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con_getch2 = (word stdcall(*)(void))load_library_procedure(lib, imports[11]);
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con_gets = (char* stdcall(*)(char*,int))load_library_procedure(lib, imports[12]);
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con_gets2 = (char* stdcall(*)(con_gets2_callback,char*,int))load_library_procedure(lib, imports[13]);
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con_get_font_height = (int stdcall(*)(void))load_library_procedure(lib, imports[14]);
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con_get_cursor_height = (int stdcall(*)(void))load_library_procedure(lib, imports[15]);
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con_set_cursor_height = (int stdcall(*)(int))load_library_procedure(lib, imports[16]);
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con_cls = (void stdcall(*)(void))load_library_procedure(lib, imports[17]);
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con_get_cursor_pos = (void stdcall(*)(int*,int*))load_library_procedure(lib, imports[18]);
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con_set_cursor_pos = (void stdcall(*)(int,int))load_library_procedure(lib, imports[19]);
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con_set_title = (void stdcall(*)(const char*))load_library_procedure(lib, imports[20]);
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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