/usr/include/xenomai/asm-powerpc/arith.h is in libxenomai-dev 2.6.4+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 | /*
* Copyright (C) 2008 Philippe Gerum <rpm@xenomai.org>.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#ifndef _XENO_ASM_POWERPC_ARITH_H
#define _XENO_ASM_POWERPC_ARITH_H
#include <asm/xenomai/features.h>
#ifdef __powerpc64__
#define rthal_nodiv_ullimd(op, frac, integ) \
rthal_powerpc64_nodiv_ullimd((op), (frac), (integ))
static inline __attribute__((__const__)) unsigned long long
rthal_powerpc64_nodiv_ullimd(const unsigned long long op,
const unsigned long long frac,
const unsigned rhs_integ)
{
unsigned long h, l, m;
__asm__("mulhdu %0, %3, %4\n\t" \
"mulld %1, %3, %4\n\t" \
"rlwinm %2, %1, 0, 0, 0\n\t" \
"sldi %2, %2, 1\n\t" \
"addc %1, %1, %2\n\t" \
"addze %0, %0\n\t" \
"mr %2, %5\n\t" \
"clrldi %2, %2, 32\n\t" \
"mulld %2, %3, %2\n\t" \
"adde %0, %0, %2\n\t" \
: "=&r"(h), "=&r"(l), "=&r"(m) \
: "r"(op), "r"(frac), "r"(rhs_integ) : "cc"); \
return h;
}
#else /* !__powerpc64__ */
#define __rthal_add96and64(l0, l1, l2, s0, s1) \
do { \
__asm__ ("addc %2, %2, %4\n\t" \
"adde %1, %1, %3\n\t" \
"addze %0, %0\n\t" \
: "+r"(l0), "+r"(l1), "+r"(l2) \
: "r"(s0), "r"(s1) : "cc"); \
} while (0)
#endif /* !__powerpc64__ */
#include <asm-generic/xenomai/arith.h>
#endif /* _XENO_ASM_POWERPC_ARITH_H */
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