/*****************************************************************************
-Copyright (c) 2011, Lab of Parallel Software and Computational Science,ICSAS
+Copyright (c) 2011-2015, The OpenBLAS Project
All rights reserved.
Redistribution and use in source and binary forms, with or without
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
- 3. Neither the name of the ISCAS nor the names of its contributors may
- be used to endorse or promote products derived from this software
- without specific prior written permission.
+ 3. Neither the name of the OpenBLAS project 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
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.
-
**********************************************************************************/
-/*********************************************************************/
-/* Copyright 2009, 2010 The University of Texas at Austin. */
-/* 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 UNIVERSITY OF TEXAS AT */
-/* AUSTIN ``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 UNIVERSITY OF TEXAS AT */
-/* AUSTIN 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. */
-/* */
-/* The views and conclusions contained in the software and */
-/* documentation are those of the authors and should not be */
-/* interpreted as representing official policies, either expressed */
-/* or implied, of The University of Texas at Austin. */
-/*********************************************************************/
-
#ifndef COMMON_ARM
#define COMMON_ARM
+#if defined(ARMV5) || defined(ARMV6)
+
#define MB
#define WMB
+#else
+
+#define MB __asm__ __volatile__ ("dmb ish" : : : "memory")
+#define WMB __asm__ __volatile__ ("dmb ishst" : : : "memory")
+
+#endif
+
#define INLINE inline
#define RETURN_BY_COMPLEX
#ifndef ASSEMBLER
+#if defined(ARMV6) || defined(ARMV7) || defined(ARMV8)
+
static void __inline blas_lock(volatile BLASULONG *address){
int register ret;
while (*address) {YIELDING;};
__asm__ __volatile__(
- "ldrex r2, [%1] \n\t"
- "mov r2, #0 \n\t"
- "strex r3, r2, [%1] \n\t"
- "mov %0 , r3 \n\t"
- : "=r"(ret), "=r"(address)
- : "1"(address)
- : "memory", "r2" , "r3"
-
-
+ "ldrex r2, [%1] \n\t"
+ "strex %0, %2, [%1] \n\t"
+ "orr %0, r2 \n\t"
+ : "=&r"(ret)
+ : "r"(address), "r"(1)
+ : "memory", "r2"
);
} while (ret);
-
+ MB;
}
-
-static inline unsigned long long rpcc(void){
- unsigned long long ret=0;
- double v;
- struct timeval tv;
- gettimeofday(&tv,NULL);
- v=(double) tv.tv_sec + (double) tv.tv_usec * 1e-6;
- ret = (unsigned long long) ( v * 1000.0d );
- return ret;
-}
+#define BLAS_LOCK_DEFINED
+#endif
static inline int blas_quickdivide(blasint x, blasint y){
return x / y;
}
-#if defined(DOUBLE)
+#if !defined(HAVE_VFP)
+/* no FPU, soft float */
+#define GET_IMAGE(res)
+#elif defined(DOUBLE)
#define GET_IMAGE(res) __asm__ __volatile__("vstr.f64 d1, %0" : "=m"(res) : : "memory")
#else
#define GET_IMAGE(res) __asm__ __volatile__("vstr.f32 s1, %0" : "=m"(res) : : "memory")
#define PROLOGUE \
.arm ;\
.global REALNAME ;\
- .func REALNAME ;\
REALNAME:
#define EPILOGUE
#define MAP_ANONYMOUS MAP_ANON
#endif
+#if !defined(ARMV5) && !defined(ARMV6) && !defined(ARMV7) && !defined(ARMV8)
+#error "you must define ARMV5, ARMV6, ARMV7 or ARMV8"
+#endif
+
#endif