From d088a11bf7c257ba45bf0c37a41e5038b302bc44 Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Wed, 10 Feb 2010 11:57:58 -0800 Subject: Copied a snapshot of the usrp2 firmware into the microblaze firmware directory in the uhd repo. Added erllc copyrights to the files created and modified at erllc. --- firmware/microblaze/lib/memcpy_wa.c | 42 +++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 firmware/microblaze/lib/memcpy_wa.c (limited to 'firmware/microblaze/lib/memcpy_wa.c') diff --git a/firmware/microblaze/lib/memcpy_wa.c b/firmware/microblaze/lib/memcpy_wa.c new file mode 100644 index 000000000..ef20efaa9 --- /dev/null +++ b/firmware/microblaze/lib/memcpy_wa.c @@ -0,0 +1,42 @@ +/* -*- c++ -*- */ +/* + * Copyright 2007 Free Software Foundation, Inc. + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include "memcpy_wa.h" +#include +#include + +/* + * For copying to/from non-byte-adressable memory, such as + * the buffers. dst, src, and nbytes must all satisfy (x % 4 == 0) + */ +void +memcpy_wa(void *dst, const void *src, size_t nbytes) +{ + if (((intptr_t) dst & 0x3) + || ((intptr_t) src & 0x3) + || (nbytes & 0x3)) + exit(1); /* die! */ + + int *dp = (int *) dst; + int *sp = (int *) src; + unsigned nw = nbytes/4; + + unsigned i; + for (i = 0; i < nw; i++) + dp[i] = sp[i]; +} -- cgit v1.2.3