kolibrios/programs/develop/libraries/framework/trunk/kolibri/kolibri.c

108 lines
3.2 KiB
C
Raw Normal View History

/***************************************************************************************************
* Copyright (C) Vasiliy Kosenko (vkos), 2009 *
* This program is free software: you can redistribute it and/or modify it under the terms of the *
* GNU General Public License as published by the Free Software Foundation, either version 3 *
* of the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; *
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See *
* the GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License along with this program. *
* If not, see <http://www.gnu.org/licenses/>. *
***************************************************************************************************/
/***************************************************************************************************
* kolibri.c - KolibriOS system functions *
***************************************************************************************************/
#include "kolibri.h"
#include "malloc.h"
/*
* Other process/thread functions
*/
int kolibri_get_my_tid(){
kolibri_process_info_t *info = malloc(0x400);
int tid;
kolibri_get_process_info(info, -1);
tid = info->tid;
free(info);
return tid;
}
int kolibri_get_process_info(kolibri_process_info_t *info, int slot){
int max_slot;
asm("int $0x40":"=a"(max_slot):"a"(9),"b"(info),"c"(slot));
return max_slot;
}
/*
* Memory functions
*/
kolibri_memarea_t kolibri_new_named_memory(char *name, int size, int flags){
kolibri_memarea_t area;
asm("pushl %%esi\nmovl %6, %%esi\nint $0x40\npopl %%esi":"=a"(area.addr),"=d"(area.error):"a"(68),"b"(22),"c"(name),"d"(size),"g"(flags));
return area;
}
int kolibri_heap_init(){
int size;
asm("int $0x40":"=a"(size):"a"(68),"b"(11));
return size;
}
void *kolibri_malloc(int nbytes){
void *addr;
asm("int $0x40":"=a"(addr):"a"(68),"b"(12),"c"(nbytes));
return addr;
}
/*
* Events functions
*/
int kolibri_event_mask;
int kolibri_event_set_mask(int mask){
kolibri_event_mask = mask;
asm("int $0x40"::"a"(40),"b"(kolibri_event_mask));
return 0;
}
int kolibri_event_get_mask(int mask){
return kolibri_event_mask;
}
void kolibri_event_add_mask(int amask){
kolibri_event_set_mask(kolibri_event_mask | amask);
}
void kolibri_event_sub_mask(int amask){
kolibri_event_set_mask(kolibri_event_mask & ~amask);
}
int kolibri_event_wait(int time){
int event;
if (!time) {
asm("int $0x40":"=a"(event):"a"(11));
} else if (time == -1) {
asm("int $0x40":"=a"(event):"a"(10));
} else {
asm("int $0x40":"=a"(event):"a"(23),"b"(time));
}
return event;
}