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.

1 files changed, 54 insertions, 0 deletions

diff --git a/libgloss/spu/munmap_eaddr.c b/libgloss/spu/munmap_eaddr.c
new file mode 100644
index 000000000..ac7a72406
--- /dev/null
+++ b/libgloss/spu/munmap_eaddr.c
@@ -0,0 +1,54 @@
+/*
+(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];
+} syscall_munmap_t;
+
+unsigned long long munmap_eaddr(unsigned long long start, size_t length)
+{
+  syscall_munmap_t sys;
+
+  sys.start = start;
+  sys.length = (unsigned int) length;
+  __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_MUNMAP, &sys);
+  /*
+   * Extract 64 bit result from the result stored in sys.
+   */
+  return *(unsigned long long *) (&sys);
+}