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author | Josh Blum <josh@joshknows.com> | 2011-01-19 22:23:46 -0800 |
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committer | Josh Blum <josh@joshknows.com> | 2011-01-19 22:23:46 -0800 |
commit | 9239878b0b81c3a368bf11cfc2fe48bfb05ff902 (patch) | |
tree | f41a5e58eac89b35cb99537a0a0b64662384a9f2 /firmware/zpu/lib/memset_wa.c | |
parent | fc138381ee4bd8d191795230b7447071a85e1f28 (diff) | |
parent | 7d918c5f6acc9a5d2c8ae03e2e67b403f7efd5ff (diff) | |
download | uhd-9239878b0b81c3a368bf11cfc2fe48bfb05ff902.tar.gz uhd-9239878b0b81c3a368bf11cfc2fe48bfb05ff902.tar.bz2 uhd-9239878b0b81c3a368bf11cfc2fe48bfb05ff902.zip |
Merge branch 'next'
Conflicts:
host/lib/usrp/usrp2/codec_impl.cpp
Diffstat (limited to 'firmware/zpu/lib/memset_wa.c')
-rw-r--r-- | firmware/zpu/lib/memset_wa.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/firmware/zpu/lib/memset_wa.c b/firmware/zpu/lib/memset_wa.c new file mode 100644 index 000000000..da5da21ab --- /dev/null +++ b/firmware/zpu/lib/memset_wa.c @@ -0,0 +1,45 @@ +/* -*- c++ -*- */ +/* + * Copyright 2007,2008 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 <http://www.gnu.org/licenses/>. + */ + +#include "memset_wa.h" +#include <stdint.h> +#include <stdlib.h> + +/* + * For setting non-byte-adressable memory, such as + * the buffers. dst and nbytes must all satisfy (x % 4 == 0) + */ +void * +memset_wa(void *dst, int c, size_t nbytes) +{ + if (((intptr_t) dst & 0x3) + || (nbytes & 0x3)) + exit(1); /* die! */ + + int *dp = (int *) dst; + + c &= 0xff; + int v = (c << 24) | (c << 16) | (c << 8) | c; + unsigned nw = nbytes/4; + + unsigned i; + for (i = 0; i < nw; i++) + dp[i] = v; + + return dst; +} |