Cleanup in elf.c with .bss section clean; adm command mounts cdrom instead of floppy...
[ZeXOS.git] / libc / stdio / putchar.c
blobc3ab3c45bda79ae2ef6e7016b7e10fec6a9d22bf
1 /*
2 * ZeX/OS
3 * Copyright (C) 2009 Tomas 'ZeXx86' Jedrzejek (zexx86@zexos.org)
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 int putchar (int c)
22 asm volatile (
23 "movl $4, %%eax;"
24 "movl %0, %%ebx;"
25 "int $0x80;"
26 :: "g" (c) : "%eax", "%ebx");
28 return c;