diff --git a/m1/BUILD-CHEAT-SHEET b/m1/BUILD-CHEAT-SHEET
new file mode 100644
index 0000000..f98ede5
--- /dev/null
+++ b/m1/BUILD-CHEAT-SHEET
@@ -0,0 +1,75 @@
+(This is my cheat sheet. It works for me but yet may stil be incomplete
+and redundant at the same time.)
+
+Compiling rtems:
+
+  cd rtems
+  ./bootstrap -c && ./bootstrap -p && ./bootstrap
+  mkdir -p build
+  cd build
+  ../configure --target=lm32-rtems4.11 --enable-rtemsbsp=milkymist \
+    --enable-posix --disable-itron --enable-networking \
+    --disable-multiprocessing --disable-tests --prefix=/opt/rtems-4.11
+  make
+  make install
+
+Compiling rtems-yaffs:
+
+  cd rtems-yaffs2
+  make -f Makefile.rtems
+  make -f Makefile.rtems install
+
+Compiling milkymist.git, libfpvm:
+
+  cd software/libfpvm
+  make -C lm32-rtems install
+
+  (verify)
+
+Compiling milkymist.git, softusb-input:
+
+  prerequisites:
+
+  make -C software/libhpdmc
+  make -C software/libnet
+  make -C software/libbase
+
+  make -C software/softusb-input
+  make -C software/libhal
+  make -C software/bios
+
+  ./build_bios.sh
+
+Compiling flickernoise.git:
+
+  cd flickernoise/src
+  make bin/flickernoise.fbi && m1nor bin/flickernoise.fbi
+
+  (m1nor from wernermisc/m1/tools/)
+
+Rebooting the M1:
+
+  cd wernermisc/m1/jtag-boot
+  make boot
+
+Send patches:
+
+  git send-email --cover-letter --thread --annotate f6c7474ae3b181157d8950e25c4705d53d9ae9c1
+
+------------------------------
+
+Draft items below:
+
+---
+
+Rebuild RTEMS after updating the Navre firmware:
+
+cp ../../../milkymist/software/libhal/softusb-input.h ../c/src/lib/libbsp/lm32/shared/milkymist_usbinput/softusb-input.h && make -j 5 && make install
+
+---
+
+Synthesize the SoC:
+
+cd boards/milkymist-one/flash
+make -C ../synthesis -f Makefile.xst clean && make clean && time make soc.fpg
+m1nor soc.fpg