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author | Jeff Johnston <jjohnstn@redhat.com> | 2008-11-20 20:12:34 +0000 |
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committer | Jeff Johnston <jjohnstn@redhat.com> | 2008-11-20 20:12:34 +0000 |
commit | 01eb6cd6d94249e6571aa741b8bfc195ef69f306 (patch) | |
tree | 100c79fc229efcee7e959a666295723d154a37ba /libgloss/spu/msync_eaddr.c | |
parent | 0e9810262d347f04ccaf4cb947d0c374cba09b0c (diff) | |
download | cygnal-01eb6cd6d94249e6571aa741b8bfc195ef69f306.tar.gz cygnal-01eb6cd6d94249e6571aa741b8bfc195ef69f306.tar.bz2 cygnal-01eb6cd6d94249e6571aa741b8bfc195ef69f306.zip |
2008-11-20 Ken Werner <ken.werner@de.ibm.com>
Patrick Mansfield <patmans@us.ibm.com>
Joel Schopp <jschopp@austin.ibm.com>
* spu/Makefile.in: Add new files.
* spu/jsre.h: Add JSRE_MMAP, JSRE_MREMAP, JSRE_MSYNC and
JSRE_MUNMAP opcodes.
* spu/mmap_eaddr.c: New File.
* spu/mremap_eaddr.c: Likewise.
* spu/msync_eaddr.c: Likewise.
* spu/munmap_eaddr.c: Likewise.
Diffstat (limited to 'libgloss/spu/msync_eaddr.c')
-rw-r--r-- | libgloss/spu/msync_eaddr.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/libgloss/spu/msync_eaddr.c b/libgloss/spu/msync_eaddr.c new file mode 100644 index 000000000..ecfbbeaed --- /dev/null +++ b/libgloss/spu/msync_eaddr.c @@ -0,0 +1,58 @@ +/* +(C) Copyright IBM Corp. 2007 + +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + +* Redistributions of source code must retain the above copyright notice, +this list of conditions and the following disclaimer. +* Redistributions in binary form must reproduce the above copyright +notice, this list of conditions and the following disclaimer in the +documentation and/or other materials provided with the distribution. +* Neither the name of IBM nor the names of its contributors may be +used to endorse or promote products derived from this software without +specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE +LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +POSSIBILITY OF SUCH DAMAGE. + +*/ + +#include <sys/mman.h> +#include "jsre.h" + +typedef struct +{ + unsigned long long start; + unsigned int pad0[2]; + unsigned int length; + unsigned int pad1[3]; + unsigned int flags; + unsigned int pad2[3]; +} syscall_msync_t; + +unsigned long long msync_eaddr(unsigned long long start, size_t length, + int flags) +{ + syscall_msync_t sys; + + sys.start = start; + sys.length = (unsigned int) length; + sys.flags = (unsigned int) flags; + __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_MSYNC, &sys); + /* + * Extract 64 bit result from the result stored in sys. + */ + return *(unsigned long long *) (&sys); +} |