2008-11-20 Ken Werner <ken.werner@de.ibm.com>

            Patrick Mansfield  <patmans@us.ibm.com>
            Joel Schopp   <jschopp@austin.ibm.com>

        * libc/machine/spu/configure.in: Add __ea detection.
        * libc/machine/spu/Makefile.am: Add new files.
        * libc/machine/spu/include/ea.h: New file.
        * libc/machine/spu/ea_internal.h: Likewise.
        * libc/machine/spu/sys/mman.h: Likewise.
        * libc/machine/spu/mmap_ea.c: Likewise.
        * libc/machine/spu/munmap_ea.c: Likewise.
        * libc/machine/spu/mremap_ea.c: Likewise.
        * libc/machine/spu/msync_ea.c: Likewise.
        * libc/machine/spu/memchr_ea.c: Likewise.
        * libc/machine/spu/memcmp_ea.c: Likewise.
        * libc/machine/spu/memcpy_ea.c: Likewise.
        * libc/machine/spu/memmove_ea.c: Likewise.
        * libc/machine/spu/memset_ea.c: Likewise.
        * libc/machine/spu/malloc_ea.c: Likewise.
        * libc/machine/spu/realloc_ea.c: Likewise.
        * libc/machine/spu/calloc_ea.c: Likewise.
        * libc/machine/spu/free_ea.c: Likewise.
        * libc/machine/spu/posix_memalign_ea.c: Likewise.
        * libc/machine/spu/strcat_ea.c: Likewise.
        * libc/machine/spu/strchr_ea.c: Likewise.
        * libc/machine/spu/strcmp_ea.c: Likewise.
        * libc/machine/spu/strcpy_ea.c: Likewise.
        * libc/machine/spu/strcspn_ea.c: Likewise.
        * libc/machine/spu/strlen_ea.c: Likewise.
        * libc/machine/spu/strncat_ea.c: Likewise.
        * libc/machine/spu/strncmp_ea.c: Likewise.
        * libc/machine/spu/strncpy_ea.c: Likewise.
        * libc/machine/spu/strpbrk_ea.c: Likewise.
        * libc/machine/spu/strrchr_ea.c: Likewise.
        * libc/machine/spu/strspn_ea.c: Likewise.
        * libc/machine/spu/strstr_ea.c: Likewise.
        * libc/machine/spu/read_ea.c: Likewise.
        * libc/machine/spu/pread_ea.c: Likewise.
        * libc/machine/spu/readv_ea.c: Likewise.
        * libc/machine/spu/write_ea.c: Likewise.
        * libc/machine/spu/pwrite_ea.c: Likewise.
        * libc/machine/spu/writev_ea.c: Likewise.

1 files changed, 60 insertions, 0 deletions

diff --git a/newlib/libc/machine/spu/write_ea.c b/newlib/libc/machine/spu/write_ea.c
new file mode 100644
index 000000000..05d6bdf84
--- /dev/null
+++ b/newlib/libc/machine/spu/write_ea.c
@@ -0,0 +1,60 @@
+/*
+(C) Copyright IBM Corp. 2008
+
+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.
+
+Author: Ken Werner <ken.werner@de.ibm.com>
+*/
+
+#include "ea_internal.h"
+#include <ea.h>
+#include <spu_cache.h>
+#include "sys/linux_syscalls.h"
+
+extern void __cache_flush (void) __attribute__ ((weak));
+
+
+COMPAT_EA_ALIAS (write_ea);
+
+ssize_ea_t
+write_ea (int fd, __ea const void *buf, size_ea_t count)
+{
+  struct spu_syscall_block s = {
+    __NR_write,
+    {
+     fd,
+     (size_ea_t) buf,
+     count,
+     0,
+     0,
+     0}
+  };
+  /* Flush cache only if the application really uses the software cache.  */
+  if (__cache_flush)
+    __cache_flush ();
+  return __linux_syscall (&s);
+}