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authorFelix Fietkau <nbd@openwrt.org>2009-12-17 16:21:13 +0000
committerFelix Fietkau <nbd@openwrt.org>2009-12-17 16:21:13 +0000
commit6fd0f3502828de12aa3a30e4b3789b4616f498d3 (patch)
tree3722fba2aff85955e66689ee6a852ec6f224ab95 /target/linux/ubicom32/patches-2.6.30/120-libgcc_func.patch
parent79cdfd54568a4ef1ef67ead1bf5cd70bbd168c1e (diff)
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ubicom32: add a 2.6.30 patch contributed by ubicom, with my cleanups and fixes split out into separate patches
SVN-Revision: 18806
Diffstat (limited to 'target/linux/ubicom32/patches-2.6.30/120-libgcc_func.patch')
-rw-r--r--target/linux/ubicom32/patches-2.6.30/120-libgcc_func.patch419
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);