diff options
Diffstat (limited to 'target/linux/ubicom32/patches-2.6.32/120-libgcc_func.patch')
| -rw-r--r-- | target/linux/ubicom32/patches-2.6.32/120-libgcc_func.patch | 419 |
1 files changed, 419 insertions, 0 deletions
diff --git a/target/linux/ubicom32/patches-2.6.32/120-libgcc_func.patch b/target/linux/ubicom32/patches-2.6.32/120-libgcc_func.patch new file mode 100644 index 0000000000..fee4ece003 --- /dev/null +++ b/target/linux/ubicom32/patches-2.6.32/120-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); |