diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/tile/tilegx/ioctl.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/tile/tilegx/ioctl.S | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/sysdeps/unix/sysv/linux/tile/tilegx/ioctl.S b/sysdeps/unix/sysv/linux/tile/tilegx/ioctl.S deleted file mode 100644 index 6f6a071b90..0000000000 --- a/sysdeps/unix/sysv/linux/tile/tilegx/ioctl.S +++ /dev/null @@ -1,41 +0,0 @@ -/* Copyright (C) 2011-2016 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library. If not, see - <http://www.gnu.org/licenses/>. */ - - -/* TILE-Gx specifies that "unsigned int" is sign extended in the high - 32 bits. But since the userspace API claims to be "unsigned long", - calls into __ioctl() will not be sign extended, but rather pass all - 64 bits of the argument. Therefore, when we pass the "request" - value to the kernel, we must explicitly sign-extend it to match the - kernel's internal use of "unsigned int" as the second argument, - which we do by casting to "unsigned int". */ - -#include <sysdep.h> - - .text -ENTRY (__ioctl) - FEEDBACK_ENTER(__ioctl) - { - addxi r1, r1, 0 - moveli TREG_SYSCALL_NR_NAME, __NR_ioctl - } - swint1 - BNEZ r1, 0f - jrp lr -PSEUDO_END (__ioctl) -weak_alias (__ioctl, ioctl) |