diff options
Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/microblaze/mmap.S')
| -rw-r--r-- | ports/sysdeps/unix/sysv/linux/microblaze/mmap.S | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/microblaze/mmap.S b/ports/sysdeps/unix/sysv/linux/microblaze/mmap.S new file mode 100644 index 0000000000..2b671897ee --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/microblaze/mmap.S @@ -0,0 +1,50 @@ +/* Copyright (C) 2009-2013 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + 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/>. */ + +#include <sysdep.h> + +#define EINVAL 22 + .text +ENTRY (__mmap) + addik r3,r0,-EINVAL + andi r4,r10,0xfff + bnei r4,L(skip) + addik r12,r0,SYS_ify(mmap2) + sra r10,r10 + sra r10,r10 + sra r10,r10 + sra r10,r10 + sra r10,r10 + sra r10,r10 + sra r10,r10 + sra r10,r10 + sra r10,r10 + sra r10,r10 + sra r10,r10 + sra r10,r10 ; /* mmap2 takes the offset in pages. */ + brki r14,8 + nop +L(skip): + addik r4,r0,-4095 + cmpu r4,r4,r3 + bgei r4,SYSCALL_ERROR_LABEL + rtsd r15,8 + nop +PSEUDO_END (__mmap) + +weak_alias (__mmap, mmap) |