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/*************************************************************************************************** |
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* Copyright (C) Vasiliy Kosenko (vkos), 2009 * |
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* This program is free software: you can redistribute it and/or modify it under the terms of the * |
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* GNU General Public License as published by the Free Software Foundation, either version 3 * |
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* of the License, or (at your option) any later version. * |
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* * |
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* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; * |
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See * |
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* the GNU General Public License for more details. * |
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* * |
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* You should have received a copy of the GNU General Public License along with this program. * |
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* If not, see . * |
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***************************************************************************************************/ |
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/*************************************************************************************************** |
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* kolibri.c - KolibriOS system functions * |
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***************************************************************************************************/ |
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#include "kolibri.h" |
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#include "malloc.h" |
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/* |
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* IPC functions & data |
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*/ |
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kolibri_IPC_area_t *kolibri_IPC_area; |
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int kolibri_IPC_set_area(void *area, int size){ |
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int result; |
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asm("int $0x40":"=a"(result):"a"(60),"b"(1),"c"(area),"d"(size)); |
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return result; |
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} |
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int kolibri_IPC_send(int tid, void *msg, int length){ |
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int result; |
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asm("movl %5, %%esi\nint $0x40":"=a"(result):"a"(60),"b"(2),"c"(tid),"d"(msg),"g"(length)); |
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return result; |
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} |
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void kolibri_IPC_unlock(){ |
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kolibri_IPC_area->lock = 0; |
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} |
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void kolibri_IPC_lock(){ |
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kolibri_IPC_area->lock = 1; |
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} |
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int kolibri_IPC_init(void *area, int size){ |
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kolibri_IPC_area = (kolibri_IPC_area_t *)area; |
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kolibri_IPC_area->size = 8; |
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return kolibri_IPC_set_area(area, size); |
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} |
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kolibri_IPC_message_t *kolibri_IPC_get_next_message(){ |
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kolibri_IPC_lock(); |
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return (kolibri_IPC_message_t *)((char *)kolibri_IPC_area+sizeof(kolibri_IPC_area_t)); |
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} |
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void kolibri_IPC_clear_buff(){ |
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kolibri_IPC_area->size = 8; |
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kolibri_IPC_unlock(); |
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} |
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/* |
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* Other process/thread functions |
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*/ |
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int kolibri_get_my_tid(){ |
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kolibri_process_info_t *info = malloc(0x400); |
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int tid; |
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kolibri_get_process_info(info, -1); |
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tid = info->tid; |
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free(info); |
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return tid; |
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} |
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int kolibri_get_process_info(kolibri_process_info_t *info, int slot){ |
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int max_slot; |
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asm("int $0x40":"=a"(max_slot):"a"(9),"b"(info),"c"(slot)); |
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return max_slot; |
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} |
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/* |
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* Memory functions |
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*/ |
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kolibri_memarea_t kolibri_new_named_memory(char *name, int size, int flags){ |
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kolibri_memarea_t area; |
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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)); |
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return area; |
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} |
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int kolibri_heap_init(){ |
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int size; |
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asm("int $0x40":"=a"(size):"a"(68),"b"(11)); |
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return size; |
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} |
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void *kolibri_malloc(int nbytes){ |
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void *addr; |
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asm("int $0x40":"=a"(addr):"a"(68),"b"(12),"c"(nbytes)); |
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return addr; |
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} |
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/* |
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* Events functions |
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*/ |
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void kolibri_set_event_mask(int mask){ |
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asm("int $0x40"::"a"(40),"b"(mask)); |
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} |
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int kolibri_event_wait(){ |
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int event; |
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asm("int $0x40":"=a"(event):"a"(10)); |
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return event; |
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} |