diff --git a/lib/CPUs/MIPS/doc/toolchain/howto_build.txt b/lib/CPUs/MIPS/doc/toolchain/howto_build.txt
new file mode 100644
index 0000000..270be3b
--- /dev/null
+++ b/lib/CPUs/MIPS/doc/toolchain/howto_build.txt
@@ -0,0 +1,46 @@
+# ---------------------------------------------------------------
+# 1. Binutils bauen und installieren
+# ---------------------------------------------------------------
+> tar -xzf binutils-2.19.tar.gz
+> mkdir binutils-2.19_build
+> cd binutils-2.19_build
+
+> ../binutils-2.19/configure --target=mipsel-elf --prefix=/usr/local
+> make
+> make install
+ 
+# ---------------------------------------------------------------
+# 2. GCC bootstrapping 
+# ---------------------------------------------------------------
+> tar -xzf gcc-4.3.2.tar.gz
+> mkdir gcc-4.3.2_build
+> cd gcc-4.3.2_build
+> ../gcc-4.3.2/configure --target=mipsel-elf --prefix=/usr/local --enable-languages="c,c++" --without-headers --with-newlib --with-float=soft --disable-multilib
+> CFLAGS_FOR_TARGET="-mno-gpopt" make all-gcc
+> make info-gcc
+> make install-gcc
+ 
+# ---------------------------------------------------------------
+# 3. Newlib bauen und installieren
+# ---------------------------------------------------------------
+> tar -xzf newlib-1.16.0.tar.gz
+! Bug in newlib-1.16.0/newlib/libc/machine/mips/strlen.c.
+  Newlib von Hand patchen (32-bit MIPS targets):
+    "lbu $3,0($4)\n"
+    "nop\n"           <= nop einfügen
+    "bnez $3,1b\n"
+
+> mkdir newlib-1.16.0_build
+> cd newlib-1.16.0_build
+> ../newlib-1.16.0/configure --target=mipsel-elf --prefix=/usr/local --with-float=soft --disable-multilib
+> TARGET_CFLAGS="-mno-gpopt" make all
+> make install
+
+# ---------------------------------------------------------------
+# 4. GCC bauen und installieren
+# ---------------------------------------------------------------
+> cd gcc-4.3.2_build
+> ../gcc-4.3.2/configure --target=mipsel-elf --prefix=/usr/local --enable-languages="c,c++" --disable-shared --with-newlib --with-float=soft --disable-multilib
+> CFLAGS_FOR_TARGET="-mno-gpopt" make all
+> make info
+> make install
diff --git a/lib/CPUs/MIPS/doc/toolchain/make.sh b/lib/CPUs/MIPS/doc/toolchain/make.sh
new file mode 100644
index 0000000..1568da9
--- /dev/null
+++ b/lib/CPUs/MIPS/doc/toolchain/make.sh
@@ -0,0 +1,151 @@
+#!/bin/sh
+TARGET=mipsel-elf
+PREFIX=/usr/local
+
+SRC_BINUTILS=binutils-2.19
+SRC_GCC=gcc-4.3.3
+SRC_NEWLIB=newlib-1.16.0
+SRC_GMP=gmp-4.2.4
+SRC_MPFR=mpfr-2.4.0
+
+# ---------------------------------------------------------------
+# 1. Binutils bauen und installieren
+# ---------------------------------------------------------------
+if [ ! -e $SRC_BINUTILS.tar.bz2 ]; then
+  echo Downloading $SRC_BINUTILS
+  wget ftp://ftp-stud.fht-esslingen.de/pub/Mirrors/ftp.gnu.org/binutils/$SRC_BINUTILS.tar.bz2 || exit 1
+else
+  echo Skipped downloading $SRC_BINUTILS
+fi  
+
+if [ ! -e ./$SRC_BINUTILS ]; then
+  echo Unpacking $SRC_BINUTILS
+  tar -xjf $SRC_BINUTILS.tar.bz2 || exit 1
+else
+  echo Skipped unpacking $SRC_BINUTILS
+fi
+
+if [ ! -e ./$SRC_BINUTILS-build ]; then
+  echo Building $SRC_BINUTILS
+  mkdir -p $SRC_BINUTILS-build
+  cd $SRC_BINUTILS-build
+  ../$SRC_BINUTILS/configure --target=$TARGET --prefix=$PREFIX || exit 1
+  make || exit 1
+  make install || exit 1
+  cd ..
+else
+  echo $SRC_BINUTILS is already built.
+fi
+
+# ---------------------------------------------------------------
+# 2. GMP bauen und installieren
+# ---------------------------------------------------------------
+if [ ! -e $SRC_GMP.tar.bz2 ]; then
+  echo Downloading $SRC_GMP
+  wget http://ftp.sunet.se/pub/gnu/gmp/$SRC_GMP.tar.bz2 || exit 1
+else
+  echo Skipped downloading $SRC_GMP
+fi  
+
+if [ ! -e ./$SRC_GMP ]; then
+  echo Unpacking $SRC_GMP
+  tar -xjf $SRC_GMP.tar.bz2 || exit 1
+else
+  echo Skipped unpacking $SRC_GMP
+fi
+
+if [ ! -e ./$SRC_GMP-build ]; then
+  echo Building $SRC_GMP
+  mkdir -p $SRC_GMP-build
+  cd $SRC_GMP-build
+  ../$SRC_GMP/configure --prefix=$PREFIX || exit 1
+  make || exit 1
+  make check || exit 1
+  make install || exit 1
+  cd ..
+else
+  echo $SRC_GMP is already built.
+fi
+
+# ---------------------------------------------------------------
+# 3. MPFR bauen und installieren
+# ---------------------------------------------------------------
+if [ ! -e $SRC_MPFR.tar.bz2 ]; then
+  echo Downloading $SRC_MPFR
+  wget http://www.mpfr.org/mpfr-current/$SRC_MPFR.tar.bz2 || exit 1
+else
+  echo Skipped downloading $SRC_MPFR
+fi  
+
+if [ ! -e ./$SRC_MPFR ]; then
+  echo Unpacking $SRC_MPFR
+  tar -xjf $SRC_MPFR.tar.bz2 || exit 1
+else
+  echo Skipped unpacking $SRC_MPFR
+fi
+
+if [ ! -e ./$SRC_MPFR-build ]; then
+  echo Building $SRC_MPFR
+  mkdir -p $SRC_MPFR-build
+  cd $SRC_MPFR-build
+  ../$SRC_MPFR/configure --prefix=$PREFIX || exit 1
+  make || exit 1
+  make check || exit 1
+  make install || exit 1
+  cd ..
+else
+  echo $SRC_MPFR is already built.
+fi
+
+# ---------------------------------------------------------------
+# 4. GCC & newlib bauen und installieren
+# ---------------------------------------------------------------
+if [ ! -e $SRC_NEWLIB.tar.gz ]; then
+  echo Downloading $SRC_NEWLIB
+  wget ftp://sources.redhat.com/pub/newlib/$SRC_NEWLIB.tar.gz || exit 1
+else
+  echo Skipped downloading $SRC_NEWLIB
+fi  
+
+if [ ! -e ./$SRC_NEWLIB ]; then
+  echo Unpacking $SRC_NEWLIB
+  tar -xzf $SRC_NEWLIB.tar.gz || exit 1
+  if [ -e  $SRC_NEWLIB-jens.patch ]; then
+    echo Patching $SRC_NEWLIB
+    patch -p0 < $SRC_NEWLIB-jens.patch || exit 1
+  fi	
+else
+  echo Skipped unpacking $SRC_NEWLIB
+fi
+
+if [ ! -e $SRC_GCC.tar.bz2 ]; then
+  echo Downloading $SRC_GCC
+  wget ftp://ftp-stud.fht-esslingen.de/pub/Mirrors/ftp.gnu.org/gcc/$SRC_GCC/$SRC_GCC.tar.bz2 || exit 1
+else
+  echo Skipped downloading $SRC_GCC
+fi  
+
+if [ ! -e ./$SRC_GCC ]; then
+  echo Unpacking $SRC_GCC
+  tar -xjf $SRC_GCC.tar.bz2 || exit 1
+  cd ./$SRC_GCC
+  ln -sf ../$SRC_NEWLIB/newlib/ .
+  cd ..
+else
+  echo Skipped unpacking $SRC_GCC
+fi
+
+if [ ! -e ./$SRC_GCC-build ]; then
+  echo Building $SRC_GCC
+  mkdir -p $SRC_GCC-build
+  cd $SRC_GCC-build
+  ../$SRC_GCC/configure --target=$TARGET --prefix=$PREFIX --with-float=soft --with-newlib --verbose --enable-languages="c,c++" || exit 1
+  LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$PREFIX/lib make all || exit 1
+  make info || exit 1
+  make install || exit 1
+  cd ..
+  echo $PREFIX/lib >/etc/ld.so.conf.d/local.conf
+  ldconfig
+else
+  echo $SRC_GCC is already built.
+fi
diff --git a/lib/CPUs/MIPS/doc/toolchain/newlib-1.16.0-jens.patch b/lib/CPUs/MIPS/doc/toolchain/newlib-1.16.0-jens.patch
new file mode 100644
index 0000000..bf61a14
--- /dev/null
+++ b/lib/CPUs/MIPS/doc/toolchain/newlib-1.16.0-jens.patch
@@ -0,0 +1,11 @@
+diff -Naur newlib-1.16.0/newlib/libc/machine/mips/strlen.c newlib-1.16.0-fixed/newlib/libc/machine/mips/strlen.c
+--- newlib-1.16.0/newlib/libc/machine/mips/strlen.c	2002-03-14 03:41:43.000000000 +0100
++++ newlib-1.16.0-fixed/newlib/libc/machine/mips/strlen.c	2009-02-14 15:52:58.000000000 +0100
+@@ -60,6 +60,7 @@
+ 	"	addiu	$2,$4,1\n"
+ 	"\n"
+ 	"1:	lbu	$3,0($4)\n"
++	"	nop\n"
+ 	"	bnez	$3,1b\n"
+ 	"	addiu	$4,$4,1\n"
+ 	"\n"
diff --git a/lib/CPUs/MIPS/doc/toolchain/newlib-1.17.0-jens.patch b/lib/CPUs/MIPS/doc/toolchain/newlib-1.17.0-jens.patch
new file mode 100644
index 0000000..bc28abc
--- /dev/null
+++ b/lib/CPUs/MIPS/doc/toolchain/newlib-1.17.0-jens.patch
@@ -0,0 +1,11 @@
+diff -Naur newlib-1.17.0/newlib/libc/machine/mips/strlen.c newlib-1.17.0-fixed/newlib/libc/machine/mips/strlen.c
+--- newlib-1.17.0/newlib/libc/machine/mips/strlen.c	2002-03-14 03:41:43.000000000 +0100
++++ newlib-1.17.0-fixed/newlib/libc/machine/mips/strlen.c	2009-02-14 15:45:19.000000000 +0100
+@@ -60,6 +60,7 @@
+ 	"	addiu	$2,$4,1\n"
+ 	"\n"
+ 	"1:	lbu	$3,0($4)\n"
++	"	nop\n"
+ 	"	bnez	$3,1b\n"
+ 	"	addiu	$4,$4,1\n"
+ 	"\n"