--- /dev/null
+diff -Nur linux-2.6.15.1/include/asm-mips/libgcc.h linux-2.6.15.1-openwrt/include/asm-mips/libgcc.h
+--- linux-2.6.15.1/include/asm-mips/libgcc.h 1970-01-01 01:00:00.000000000 +0100
++++ linux-2.6.15.1-openwrt/include/asm-mips/libgcc.h 2006-01-20 10:32:28.000000000 +0100
+@@ -0,0 +1,8 @@
++#ifndef __ASM_LIBGCC_H
++#define __ASM_LIBGCC_H
++
++#define ARCH_NEEDS_ashldi3
++#define ARCH_NEEDS_ashrdi3
++#define ARCH_NEEDS_lshrdi3
++
++#endif /* __ASM_LIBGCC_H */
+diff -Nur linux-2.6.15.1/include/linux/libgcc.h linux-2.6.15.1-openwrt/include/linux/libgcc.h
+--- linux-2.6.15.1/include/linux/libgcc.h 1970-01-01 01:00:00.000000000 +0100
++++ linux-2.6.15.1-openwrt/include/linux/libgcc.h 2006-01-20 10:33:38.000000000 +0100
+@@ -0,0 +1,32 @@
++#ifndef __LINUX_LIBGCC_H
++#define __LINUX_LIBGCC_H
++
++#include <asm/byteorder.h>
++#include <asm/libgcc.h>
++
++typedef long long DWtype;
++typedef int Wtype;
++typedef unsigned int UWtype;
++typedef int word_type __attribute__ ((mode (__word__)));
++
++#define BITS_PER_UNIT 8
++
++#ifdef __BIG_ENDIAN
++struct DWstruct {
++ Wtype high, low;
++};
++#elif defined(__LITTLE_ENDIAN)
++struct DWstruct {
++ Wtype low, high;
++};
++#else
++#error I feel sick.
++#endif
++
++typedef union
++{
++ struct DWstruct s;
++ DWtype ll;
++} DWunion;
++
++#endif /* __LINUX_LIBGCC_H */
+diff -Nur linux-2.6.15.1/lib/ashldi3.c linux-2.6.15.1-openwrt/lib/ashldi3.c
+--- linux-2.6.15.1/lib/ashldi3.c 1970-01-01 01:00:00.000000000 +0100
++++ linux-2.6.15.1-openwrt/lib/ashldi3.c 2006-01-20 10:38:41.000000000 +0100
+@@ -0,0 +1,32 @@
++#include <linux/libgcc.h>
++#include <linux/module.h>
++
++#ifdef ARCH_NEEDS_ashldi3
++
++DWtype __ashldi3(DWtype u, word_type b)
++{
++ DWunion uu, w;
++ word_type bm;
++
++ if (b == 0)
++ return u;
++
++ uu.ll = u;
++ bm = (sizeof(Wtype) * BITS_PER_UNIT) - b;
++
++ if (bm <= 0) {
++ w.s.low = 0;
++ w.s.high = (UWtype) uu.s.low << -bm;
++ } else {
++ const UWtype carries = (UWtype) uu.s.low >> bm;
++
++ w.s.low = (UWtype) uu.s.low << b;
++ w.s.high = ((UWtype) uu.s.high << b) | carries;
++ }
++
++ return w.ll;
++}
++
++EXPORT_SYMBOL(__ashldi3);
++
++#endif /* ARCH_NEEDS_ashldi3 */
+diff -Nur linux-2.6.15.1/lib/ashrdi3.c linux-2.6.15.1-openwrt/lib/ashrdi3.c
+--- linux-2.6.15.1/lib/ashrdi3.c 1970-01-01 01:00:00.000000000 +0100
++++ linux-2.6.15.1-openwrt/lib/ashrdi3.c 2006-01-20 10:39:29.000000000 +0100
+@@ -0,0 +1,36 @@
++#include <linux/libgcc.h>
++#include <linux/module.h>
++
++/* Unless shift functions are defined with full ANSI prototypes,
++ parameter b will be promoted to int if word_type is smaller than an int. */
++#ifdef ARCH_NEEDS_ashrdi3
++
++DWtype __ashrdi3(DWtype u, word_type b)
++{
++ DWunion uu, w;
++ word_type bm;
++
++ if (b == 0)
++ return u;
++
++ uu.ll = u;
++ bm = (sizeof(Wtype) * BITS_PER_UNIT) - b;
++
++ if (bm <= 0) {
++ /* w.s.high = 1..1 or 0..0 */
++ w.s.high =
++ uu.s.high >> (sizeof(Wtype) * BITS_PER_UNIT - 1);
++ w.s.low = uu.s.high >> -bm;
++ } else {
++ const UWtype carries = (UWtype) uu.s.high << bm;
++
++ w.s.high = uu.s.high >> b;
++ w.s.low = ((UWtype) uu.s.low >> b) | carries;
++ }
++
++ return w.ll;
++}
++
++EXPORT_SYMBOL(__ashrdi3);
++
++#endif /* ARCH_NEEDS_ashrdi3 */
+diff -Nur linux-2.6.15.1/lib/lshrdi3.c linux-2.6.15.1-openwrt/lib/lshrdi3.c
+--- linux-2.6.15.1/lib/lshrdi3.c 1970-01-01 01:00:00.000000000 +0100
++++ linux-2.6.15.1-openwrt/lib/lshrdi3.c 2006-01-20 10:40:10.000000000 +0100
+@@ -0,0 +1,34 @@
++#include <linux/libgcc.h>
++#include <linux/module.h>
++
++/* Unless shift functions are defined with full ANSI prototypes,
++ parameter b will be promoted to int if word_type is smaller than an int. */
++#ifdef ARCH_NEEDS_lshrdi3
++
++DWtype __lshrdi3(DWtype u, word_type b)
++{
++ DWunion uu, w;
++ word_type bm;
++
++ if (b == 0)
++ return u;
++
++ uu.ll = u;
++ bm = (sizeof(Wtype) * BITS_PER_UNIT) - b;
++
++ if (bm <= 0) {
++ w.s.high = 0;
++ w.s.low = (UWtype) uu.s.high >> -bm;
++ } else {
++ const UWtype carries = (UWtype) uu.s.high << bm;
++
++ w.s.high = (UWtype) uu.s.high >> b;
++ w.s.low = ((UWtype) uu.s.low >> b) | carries;
++ }
++
++ return w.ll;
++}
++
++EXPORT_SYMBOL(__lshrdi3);
++
++#endif /* ARCH_NEEDS_lshrdi3 */
+diff -Nur linux-2.6.15.1/lib/Makefile linux-2.6.15.1-openwrt/lib/Makefile
+--- linux-2.6.15.1/lib/Makefile 2006-01-15 07:16:02.000000000 +0100
++++ linux-2.6.15.1-openwrt/lib/Makefile 2006-01-20 10:34:19.000000000 +0100
+@@ -8,6 +8,7 @@
+ sha1.o
+
+ lib-y += kobject.o kref.o kobject_uevent.o klist.o
++lib-y += ashldi3.o ashrdi3.o lshrdi3.o
+
+ obj-y += sort.o parser.o halfmd4.o
+