From 89376b7141edb6f927fb940c27391cda6e67c785 Mon Sep 17 00:00:00 2001
From: Joel Sherrill <joel.sherrill@OARcorp.com>
Date: Thu, 19 Feb 2009 19:55:40 +0000
Subject: Initial import.

---
 bsd_eth_drivers/libbsdport/contigmalloc.c | 33 +++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 bsd_eth_drivers/libbsdport/contigmalloc.c

(limited to 'bsd_eth_drivers/libbsdport/contigmalloc.c')

diff --git a/bsd_eth_drivers/libbsdport/contigmalloc.c b/bsd_eth_drivers/libbsdport/contigmalloc.c
new file mode 100644
index 0000000..7c9f1b7
--- /dev/null
+++ b/bsd_eth_drivers/libbsdport/contigmalloc.c
@@ -0,0 +1,33 @@
+#include <rtems.h>
+
+#define _KERNEL
+#include <rtems/rtems_bsdnet_internal.h>
+#include <sys/malloc.h>
+
+void *
+contigmalloc(
+	unsigned long size,
+	int type,
+	int flags,
+	unsigned long lo,
+	unsigned long hi,
+	unsigned long align,
+	unsigned long bound)
+{
+void *ptr  = rtems_bsdnet_malloc(size + sizeof(ptr) + align-1, type, flags);
+char *rval = 0;
+	if ( ptr ) {
+		unsigned tmp = (unsigned)ptr + align - 1;
+		tmp -= tmp % align;
+		rval = (char*)tmp;
+		/* save backlink */
+		*(void**)(rval+size) =  ptr;
+	}
+	return rval;
+}
+
+void
+contigfree(void *ptr, size_t size, int type)
+{
+	rtems_bsdnet_free( *(void**)((unsigned)ptr + size), type);
+}
-- 
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