Author: andrew
Date: Thu Jul 9 20:54:38 2015
New Revision: 285337
URL: https://svnweb.freebsd.org/changeset/base/285337
Log:
Add support for __aeabi_memclr4, clang 3.7 calls it.
Sponsored by: ABT Systems Ltd
Added:
head/sys/libkern/arm/memclr.S (contents, props changed)
Modified:
head/sys/conf/files.arm
Modified: head/sys/conf/files.arm
==============================================================================
--- head/sys/conf/files.arm Thu Jul 9 18:16:35 2015 (r285336)
+++ head/sys/conf/files.arm Thu Jul 9 20:54:38 2015 (r285337)
@@ -108,6 +108,7 @@ libkern/arm/divsi3.S standard
libkern/arm/ffs.S standard
libkern/arm/ldivmod.S standard
libkern/arm/ldivmod_helper.c standard
+libkern/arm/memclr.S standard
libkern/arm/memcpy.S standard
libkern/arm/memset.S standard
libkern/arm/muldi3.c standard
Added: head/sys/libkern/arm/memclr.S
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/libkern/arm/memclr.S Thu Jul 9 20:54:38 2015
(r285337)
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2015 Andrew Turner
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 <machine/asm.h>
+__FBSDID("$FreeBSD$");
+
+/*
+ * This implements
+ * void __aeabi_memclr4(void *dest, size_t len)
+ * by calling:
+ * void bzero(dest, len)
+ */
+ENTRY_NP(__aeabi_memclr4)
+ b bzero
+END(__aeabi_memclr4)
+
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