1 files changed, 42 insertions, 0 deletions
diff --git a/bsps/powerpc/shared/start/zerobss.c b/bsps/powerpc/shared/start/zerobss.c
new file mode 100644
index 0000000000..b3ab1ad9d9
--- /dev/null
+++ b/bsps/powerpc/shared/start/zerobss.c
@@ -0,0 +1,42 @@
+/*
+ *  zero the various bss areas.
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2014.
+ *  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.rtems.org/license/LICENSE.
+ *
+ *  Modified to support the MCP750.
+ *  Modifications Copyright (C) 1999 Eric Valette. valette@crf.canon.fr
+ */
+
+#include <string.h>
+#include <bsp.h>
+
+/* prevent these from being accessed in the short data areas */
+extern unsigned long __bss_start[], __SBSS_START__[], __SBSS_END__[];
+extern unsigned long __SBSS2_START__[], __SBSS2_END__[];
+extern unsigned long __bss_end[];
+
+void zero_bss(void)
+{
+  memset(
+    __SBSS_START__,
+    0,
+    ((unsigned) __SBSS_END__) - ((unsigned)__SBSS_START__)
+  );
+  memset(
+    __SBSS2_START__,
+    0,
+    ((unsigned) __SBSS2_END__) - ((unsigned)__SBSS2_START__)
+  );
+  memset(
+    __bss_start,
+    0,
+    ((unsigned) __bss_end) - ((unsigned)__bss_start)
+  );
+}