mlibc: Add ioctl.
* stage0/x86.M1 (SYS_ioctl): New define. * lib/linux-mes.c (ioctl): New syscall. * lib/linux-gcc.c (ioctl): New syscall. * include/sys/ioctl.h: New file.
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@ -0,0 +1,36 @@
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/* -*-comment-start: "//";comment-end:""-*-
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* Mes --- Maxwell Equations of Software
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* Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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*
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* This file is part of Mes.
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*
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* Mes is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* Mes is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* 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
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* along with Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __MES_SYS_IOCTL_H
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#define __MES_SYS_IOCTL_H 1
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#if __GNUC__ && POSIX
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#undef __MES_SYS_IOCTL_H
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#include_next <sys/ioctl.h>
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#else // !(__GNUC__ && POSIX)
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#define TCGETS 0x5401
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#define TCGETA 0x5405
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int ioctl (int fd, unsigned long request, ...);
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#endif // !(__GNUC__ && POSIX)
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#endif // __MES_SYS_IOCTL_H
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@ -137,6 +137,37 @@ brk (void *p)
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#endif
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#endif
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}
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}
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int
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ioctl (int fd, unsigned long request, ...)
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{
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#if !__TINYC__
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int p;
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asm (
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"mov %%ebp,%%eax\n\t"
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"add $0x10,%%eax\n\t"
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"mov (%%eax),%%eax\n\t"
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"mov %%eax,%0\n\t"
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: "=p" (p)
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: //no inputs ""
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);
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int r;
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//syscall (SYS_ioctl, fd));
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asm (
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"mov %1,%%ebx\n\t"
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"mov %2,%%ecx\n\t"
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"mov %3,%%edx\n\t"
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"mov $0x36, %%eax\n\t"
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"int $0x80\n\t"
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"mov %%eax,%0\n\t"
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: "=r" (r)
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: "" (fd), "" (request), "" (p)
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: "eax", "ebx", "ecx", "edx"
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);
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return r;
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#endif
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}
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int
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int
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fsync (int fd)
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fsync (int fd)
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{
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{
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@ -69,6 +69,17 @@ brk ()
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asm ("int____$0x80");
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asm ("int____$0x80");
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}
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}
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void
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ioctl ()
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{
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asm ("mov____0x8(%ebp),%ebx !8");
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asm ("mov____0x8(%ebp),%ecx !12");
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asm ("mov____0x8(%ebp),%edx !16");
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asm ("mov____$i32,%eax SYS_ioctl");
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asm ("int____$0x80");
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}
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void
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void
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fsync ()
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fsync ()
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{
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{
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@ -205,5 +205,6 @@ DEFINE SYS_chmod 0f000000
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DEFINE SYS_lseek 13000000
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DEFINE SYS_lseek 13000000
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DEFINE SYS_access 21000000
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DEFINE SYS_access 21000000
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DEFINE SYS_brk 2d000000
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DEFINE SYS_brk 2d000000
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DEFINE SYS_ioctl 36000000
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DEFINE SYS_fsync 76000000
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DEFINE SYS_fsync 76000000
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DEFINE SYS_getcwd b7000000
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DEFINE SYS_getcwd b7000000
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