1 files changed, 43 insertions, 0 deletions
diff --git a/c/src/lib/libcpu/shared/src/cache_aligned_malloc.c b/c/src/lib/libcpu/shared/src/cache_aligned_malloc.c
new file mode 100644
index 0000000000..3289317132
--- /dev/null
+++ b/c/src/lib/libcpu/shared/src/cache_aligned_malloc.c
@@ -0,0 +1,43 @@
+/*
+ *  RTEMS Cache Aligned Malloc
+ *
+ *
+ *  COPYRIGHT (c) 1989-1999.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#include <rtems.h>
+#include <cache_.h>
+
+/*
+ *  rtems_cache_aligned_malloc
+ *
+ *  DESCRIPTION:
+ *
+ *  This function is used to allocate storage that spans an
+ *  integral number of cache blocks.
+ */
+
+void *rtems_cache_aligned_malloc (
+  size_t nbytes
+)
+{
+  /*
+   * Arrange to have the user storage start on the first cache
+   * block beyond the header.
+   */
+#if defined(_CPU_DATA_CACHE_ALIGNMENT)
+  return (void *) ((((unsigned long)
+     malloc( nbytes + _CPU_DATA_CACHE_ALIGNMENT - 1 ))
+        + _CPU_DATA_CACHE_ALIGNMENT - 1 ) &(~(_CPU_DATA_CACHE_ALIGNMENT - 1)) );
+#else
+  return malloc( nbytes );
+#endif
+}
+