ubicom32: add a 2.6.30 patch contributed by ubicom, with my cleanups and fixes split out into separate patches

SVN-Revision: 18806

1 files changed, 419 insertions, 0 deletions

diff --git a/target/linux/ubicom32/patches-2.6.30/120-libgcc_func.patch b/target/linux/ubicom32/patches-2.6.30/120-libgcc_func.patch
new file mode 100644
index 0000000..fee4ece
--- /dev/null
+++ b/target/linux/ubicom32/patches-2.6.30/120-libgcc_func.patch
@@ -0,0 +1,419 @@
+--- a/arch/ubicom32/Makefile
++++ b/arch/ubicom32/Makefile
+@@ -60,9 +60,6 @@ cflags-$(CONFIG_UBICOM32_V4)		:= -march=
+ ldflags-$(CONFIG_LINKER_RELAXATION)	:= --relax
+ LDFLAGS_vmlinux := $(ldflags-y)
+ 
+-GCCLIBDIR := $(dir $(shell $(CC) $(cflags-y) -print-libgcc-file-name))
+-GCC_LIBS := $(GCCLIBDIR)/libgcc.a
+-
+ KBUILD_CFLAGS += $(cflags-y) -ffunction-sections
+ KBUILD_AFLAGS += $(cflags-y)
+ 
+@@ -84,7 +81,6 @@ core-y	+= arch/$(ARCH)/kernel/ \
+ drivers-$(CONFIG_OPROFILE)	+= arch/ubicom32/oprofile/
+ 
+ libs-y	+= arch/$(ARCH)/lib/
+-libs-y	+= $(GCC_LIBS)
+ 
+ archclean:
+ 
+--- a/arch/ubicom32/lib/Makefile
++++ b/arch/ubicom32/lib/Makefile
+@@ -30,3 +30,4 @@
+ #
+ 
+ lib-y	:= checksum.o delay.o mem_ubicom32.o
++lib-y	+= ashldi3.o ashrdi3.o divmod.o lshrdi3.o muldi3.o
+--- /dev/null
++++ b/arch/ubicom32/lib/ashldi3.c
+@@ -0,0 +1,62 @@
++/* ashrdi3.c extracted from gcc-2.95.2/libgcc2.c which is: */
++/* Copyright (C) 1989, 92-98, 1999 Free Software Foundation, Inc.
++
++This file is part of GNU CC.
++
++GNU CC 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 2, or (at your option)
++any later version.
++
++GNU CC 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 GNU CC; see the file COPYING.  If not, write to
++the Free Software Foundation, 59 Temple Place - Suite 330,
++Boston, MA 02111-1307, USA.  */
++
++#define BITS_PER_UNIT 8
++
++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__)));
++
++struct DIstruct {SItype high, low;};
++
++typedef union
++{
++  struct DIstruct s;
++  DItype ll;
++} DIunion;
++
++DItype
++__ashldi3 (DItype u, word_type b)
++{
++  DIunion w;
++  word_type bm;
++  DIunion uu;
++
++  if (b == 0)
++    return u;
++
++  uu.ll = u;
++
++  bm = (sizeof (SItype) * BITS_PER_UNIT) - b;
++  if (bm <= 0)
++    {
++      w.s.low = 0;
++      w.s.high = (USItype)uu.s.low << -bm;
++    }
++  else
++    {
++      USItype carries = (USItype)uu.s.low >> bm;
++      w.s.low = (USItype)uu.s.low << b;
++      w.s.high = ((USItype)uu.s.high << b) | carries;
++    }
++
++  return w.ll;
++}
+--- /dev/null
++++ b/arch/ubicom32/lib/ashrdi3.c
+@@ -0,0 +1,63 @@
++/* ashrdi3.c extracted from gcc-2.7.2/libgcc2.c which is: */
++/* Copyright (C) 1989, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
++
++This file is part of GNU CC.
++
++GNU CC 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 2, or (at your option)
++any later version.
++
++GNU CC 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 GNU CC; see the file COPYING.  If not, write to
++the Free Software Foundation, 59 Temple Place - Suite 330,
++Boston, MA 02111-1307, USA.  */
++
++#define BITS_PER_UNIT 8
++
++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__)));
++
++struct DIstruct {SItype high, low;};
++
++typedef union
++{
++  struct DIstruct s;
++  DItype ll;
++} DIunion;
++
++DItype
++__ashrdi3 (DItype u, word_type b)
++{
++  DIunion w;
++  word_type bm;
++  DIunion uu;
++
++  if (b == 0)
++    return u;
++
++  uu.ll = u;
++
++  bm = (sizeof (SItype) * BITS_PER_UNIT) - b;
++  if (bm <= 0)
++    {
++      /* w.s.high = 1..1 or 0..0 */
++      w.s.high = uu.s.high >> (sizeof (SItype) * BITS_PER_UNIT - 1);
++      w.s.low = uu.s.high >> -bm;
++    }
++  else
++    {
++      USItype carries = (USItype)uu.s.high << bm;
++      w.s.high = uu.s.high >> b;
++      w.s.low = ((USItype)uu.s.low >> b) | carries;
++    }
++
++  return w.ll;
++}
+--- /dev/null
++++ b/arch/ubicom32/lib/divmod.c
+@@ -0,0 +1,85 @@
++unsigned long
++udivmodsi4(unsigned long num, unsigned long den, int modwanted)
++{
++  unsigned long bit = 1;
++  unsigned long res = 0;
++
++  while (den < num && bit && !(den & (1L<<31)))
++    {
++      den <<=1;
++      bit <<=1;
++    }
++  while (bit)
++    {
++      if (num >= den)
++	{
++	  num -= den;
++	  res |= bit;
++	}
++      bit >>=1;
++      den >>=1;
++    }
++  if (modwanted) return num;
++  return res;
++}
++
++long
++__udivsi3 (long a, long b)
++{
++  return udivmodsi4 (a, b, 0);
++}
++
++long
++__umodsi3 (long a, long b)
++{
++  return udivmodsi4 (a, b, 1);
++}
++
++long
++__divsi3 (long a, long b)
++{
++  int neg = 0;
++  long res;
++
++  if (a < 0)
++    {
++      a = -a;
++      neg = !neg;
++    }
++
++  if (b < 0)
++    {
++      b = -b;
++      neg = !neg;
++    }
++
++  res = udivmodsi4 (a, b, 0);
++
++  if (neg)
++    res = -res;
++
++  return res;
++}
++
++long
++__modsi3 (long a, long b)
++{
++  int neg = 0;
++  long res;
++
++  if (a < 0)
++    {
++      a = -a;
++      neg = 1;
++    }
++
++  if (b < 0)
++    b = -b;
++
++  res = udivmodsi4 (a, b, 1);
++
++  if (neg)
++    res = -res;
++
++  return res;
++}
+--- /dev/null
++++ b/arch/ubicom32/lib/lshrdi3.c
+@@ -0,0 +1,62 @@
++/* lshrdi3.c extracted from gcc-2.7.2/libgcc2.c which is: */
++/* Copyright (C) 1989, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
++
++This file is part of GNU CC.
++
++GNU CC 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 2, or (at your option)
++any later version.
++
++GNU CC 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 GNU CC; see the file COPYING.  If not, write to
++the Free Software Foundation, 59 Temple Place - Suite 330,
++Boston, MA 02111-1307, USA.  */
++
++#define BITS_PER_UNIT 8
++
++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__)));
++
++struct DIstruct {SItype high, low;};
++
++typedef union
++{
++  struct DIstruct s;
++  DItype ll;
++} DIunion;
++
++DItype
++__lshrdi3 (DItype u, word_type b)
++{
++  DIunion w;
++  word_type bm;
++  DIunion uu;
++
++  if (b == 0)
++    return u;
++
++  uu.ll = u;
++
++  bm = (sizeof (SItype) * BITS_PER_UNIT) - b;
++  if (bm <= 0)
++    {
++      w.s.high = 0;
++      w.s.low = (USItype)uu.s.high >> -bm;
++    }
++  else
++    {
++      USItype carries = (USItype)uu.s.high << bm;
++      w.s.high = (USItype)uu.s.high >> b;
++      w.s.low = ((USItype)uu.s.low >> b) | carries;
++    }
++
++  return w.ll;
++}
+--- /dev/null
++++ b/arch/ubicom32/lib/muldi3.c
+@@ -0,0 +1,87 @@
++/* muldi3.c extracted from gcc-2.7.2.3/libgcc2.c and
++			   gcc-2.7.2.3/longlong.h which is: */
++/* Copyright (C) 1989, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
++
++This file is part of GNU CC.
++
++GNU CC 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 2, or (at your option)
++any later version.
++
++GNU CC 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 GNU CC; see the file COPYING.  If not, write to
++the Free Software Foundation, 59 Temple Place - Suite 330,
++Boston, MA 02111-1307, USA.  */
++
++#define UWtype          USItype
++#define UHWtype         USItype
++#define W_TYPE_SIZE     32
++#define __BITS4 (W_TYPE_SIZE / 4)
++#define __ll_B ((UWtype) 1 << (W_TYPE_SIZE / 2))
++#define __ll_lowpart(t) ((UWtype) (t) & (__ll_B - 1))
++#define __ll_highpart(t) ((UWtype) (t) >> (W_TYPE_SIZE / 2))
++
++#define umul_ppmm(w1, w0, u, v)                                         \
++  do {                                                                  \
++    UWtype __x0, __x1, __x2, __x3;                                      \
++    UHWtype __ul, __vl, __uh, __vh;                                     \
++                                                                        \
++    __ul = __ll_lowpart (u);                                            \
++    __uh = __ll_highpart (u);                                           \
++    __vl = __ll_lowpart (v);                                            \
++    __vh = __ll_highpart (v);                                           \
++                                                                        \
++    __x0 = (UWtype) __ul * __vl;                                        \
++    __x1 = (UWtype) __ul * __vh;                                        \
++    __x2 = (UWtype) __uh * __vl;                                        \
++    __x3 = (UWtype) __uh * __vh;                                        \
++                                                                        \
++    __x1 += __ll_highpart (__x0);/* this can't give carry */            \
++    __x1 += __x2;               /* but this indeed can */               \
++    if (__x1 < __x2)            /* did we get it? */                    \
++      __x3 += __ll_B;           /* yes, add it in the proper pos.  */   \
++                                                                        \
++    (w1) = __x3 + __ll_highpart (__x1);                                 \
++    (w0) = __ll_lowpart (__x1) * __ll_B + __ll_lowpart (__x0);          \
++  } while (0)
++
++
++#define __umulsidi3(u, v) \
++  ({DIunion __w;							\
++    umul_ppmm (__w.s.high, __w.s.low, u, v);				\
++    __w.ll; })
++
++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__)));
++
++struct DIstruct {SItype high, low;};
++
++typedef union
++{
++  struct DIstruct s;
++  DItype ll;
++} DIunion;
++
++DItype
++__muldi3 (DItype u, DItype v)
++{
++  DIunion w;
++  DIunion uu, vv;
++
++  uu.ll = u,
++  vv.ll = v;
++
++  w.ll = __umulsidi3 (uu.s.low, vv.s.low);
++  w.s.high += ((USItype) uu.s.low * (USItype) vv.s.high
++	       + (USItype) uu.s.high * (USItype) vv.s.low);
++
++  return w.ll;
++}
+--- a/arch/ubicom32/kernel/ubicom32_ksyms.c
++++ b/arch/ubicom32/kernel/ubicom32_ksyms.c
+@@ -72,7 +72,6 @@ EXPORT_SYMBOL(memmove);
+ extern void __ashldi3(void);
+ extern void __ashrdi3(void);
+ extern void __divsi3(void);
+-extern void __divdi3(void);
+ extern void __lshrdi3(void);
+ extern void __modsi3(void);
+ extern void __muldi3(void);
+@@ -83,7 +82,6 @@ extern void __umodsi3(void);
+ EXPORT_SYMBOL(__ashldi3);
+ EXPORT_SYMBOL(__ashrdi3);
+ EXPORT_SYMBOL(__divsi3);
+-EXPORT_SYMBOL(__divdi3);
+ EXPORT_SYMBOL(__lshrdi3);
+ EXPORT_SYMBOL(__modsi3);
+ EXPORT_SYMBOL(__muldi3);