kolibrios/contrib/sdk/samples/cpp_hello/console_obj.h
maxcodehack 42323d3960 Add gcc version of 'Backy'
git-svn-id: svn://kolibrios.org@8192 a494cfbc-eb01-0410-851d-a64ba20cac60
2020-11-14 16:50:12 +00:00

142 lines
4.8 KiB
C
Executable File

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