From bf8f43ae8adf162d9acedd9dd4d4f9d3d4f0a646 Mon Sep 17 00:00:00 2001 From: Eric Botcazou Date: Wed, 21 Jan 2015 18:27:47 +0000 Subject: * COPYING.LIBGLOSS: Add Controls and Data Services copyright. * COPYING.NEWLIB: Likewise. libgloss/ * configure.in: Add Visium support. * configure: Regenerate. * visium/: New directory. newlib/ * configure.host: Add Visium support. * libc/machine/configure.in: Likewise. * libc/machine/configure: Regenerate. * libc/machine/visium/: New directory. * libc/include/machine/setjmp.h (_JBLEN): Define for Visium. * libc/include/machine/ieeefp.h (__IEEE_BIG_ENDIAN): Likewise. * libc/include/machine/time.h (_CLOCKS_PER_SEC_): Likewise. --- newlib/libc/machine/visium/memmove.c | 52 ++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 newlib/libc/machine/visium/memmove.c (limited to 'newlib/libc/machine/visium/memmove.c') diff --git a/newlib/libc/machine/visium/memmove.c b/newlib/libc/machine/visium/memmove.c new file mode 100644 index 000000000..d59421362 --- /dev/null +++ b/newlib/libc/machine/visium/memmove.c @@ -0,0 +1,52 @@ +/* memmove for the Visium processor. + + Copyright (c) 2015 Rolls-Royce Controls and Data Services Limited. + 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 Rolls-Royce Controls and Data Services Limited 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. */ + +#include + +void * +memmove (void *dst, const void *src, size_t len) +{ + char *d = dst; + const char *s = src; + + /* The overlap case is allegedly rare - with this implementation + it will have a high penalty on the GR6. */ + if (s < d && d < s + len) + { + s += len; + d += len; + + while (len--) + *--d = *--s; + + return dst; + } + + return memcpy (dst, src, len); +} -- cgit v1.2.3