1 files changed, 132 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/fman/src/xx/udivdi3.c b/drivers/net/ethernet/freescale/fman/src/xx/udivdi3.c
new file mode 100644
index 0000000..419e27e
--- /dev/null
+++ b/drivers/net/ethernet/freescale/fman/src/xx/udivdi3.c
@@ -0,0 +1,132 @@
+/*
+ * Copyright 2008-2012 Freescale Semiconductor Inc.
+ *
+ * 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 Freescale Semiconductor nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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 <linux/version.h>
+
+#if defined(CONFIG_MODVERSIONS) && !defined(MODVERSIONS)
+#define MODVERSIONS
+#endif
+#ifdef MODVERSIONS
+#include <config/modversions.h>
+#endif /* MODVERSIONS */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <asm/div64.h>
+
+
+#define BITS_PER_UNIT  8
+#define SI_TYPE_SIZE (sizeof (SItype) * BITS_PER_UNIT)
+
+
+typedef unsigned int UQItype    __attribute__ ((mode (QI)));
+typedef          int SItype     __attribute__ ((mode (SI)));
+typedef unsigned int USItype    __attribute__ ((mode (SI)));
+typedef          int DItype     __attribute__ ((mode (DI)));
+typedef          int word_type  __attribute__ ((mode (__word__)));
+typedef unsigned int UDItype    __attribute__ ((mode (DI)));
+
+struct DIstruct {SItype low, high;};
+
+typedef union
+{
+  struct DIstruct s;
+  DItype ll;
+} DIunion;
+
+
+/* bit divisor, dividend and result. dynamic precision */
+static __inline__ uint64_t _div64_64(uint64_t dividend, uint64_t divisor)
+{
+    uint32_t d = divisor;
+
+    if (divisor > 0xffffffffULL)
+    {
+        unsigned int shift = fls(divisor >> 32);
+
+        d = divisor >> shift;
+        dividend >>= shift;
+    }
+
+    /* avoid 64 bit division if possible */
+    if (dividend >> 32)
+        do_div(dividend, d);
+    else
+        dividend = (uint32_t) dividend / d;
+
+    return dividend;
+}
+
+UDItype __udivdi3 (UDItype n, UDItype d)
+{
+  return _div64_64(n, d);
+}
+
+DItype __divdi3 (DItype n, DItype d)
+{
+  DItype sign = 1;
+  if (n<0)
+  {
+    sign *= -1;
+    n *= -1;
+  }
+  if (d<0)
+  {
+    sign *= -1;
+    d *= -1;
+  }
+  return sign*_div64_64((UDItype)n, (UDItype)d);
+}
+
+UDItype __umoddi3 (UDItype n, UDItype d)
+{
+  return n-(_div64_64(n, d)*d);
+}
+
+#ifdef MODULE
+word_type __ucmpdi2 (DItype a, DItype b)
+{
+  DIunion au, bu;
+
+  au.ll = a, bu.ll = b;
+
+  if ((USItype) au.s.high < (USItype) bu.s.high)
+    return 0;
+  else if ((USItype) au.s.high > (USItype) bu.s.high)
+    return 2;
+  if ((USItype) au.s.low < (USItype) bu.s.low)
+    return 0;
+  else if ((USItype) au.s.low > (USItype) bu.s.low)
+    return 2;
+  return 1;
+}
+#endif /* MODULE */