Build mor1kx multicore demo

mkdir ~/tmp-mor1kx-multicore

cd ~/tmp-mor1kx-multicore

# Set your installation prefix
export PREFIX=$HOME/or1k-toolchain

# PRE-pend new or1k-toolchain to PATH
export PATH=$PREFIX/bin:$PATH

# Checkout toolchain repositories
cd ~/tmp-mor1kx-multicore
git clone -b multicore https://github.com/wallento/or1k-src
git clone -b multicore https://github.com/wallento/or1k-gcc

# Build binutils, first round
mkdir bld-src-stage1
cd bld-src-stage1
../or1k-src/configure --target=or1k-elf --prefix=$PREFIX --enable-shared --disable-itcl --disable-tk --disable-tcl --disable-winsup --disable-gdbtk --disable-libgui --disable-rda --disable-sid --disable-sim --disable-gdb --with-sysroot --disable-newlib --disable-libgloss
make
make install
cd ..

# Build gcc, first round
mkdir bld-gcc-stage1
cd bld-gcc-stage1
../or1k-gcc/configure --target=or1k-elf --prefix=$PREFIX --enable-languages=c --disable-shared --disable-libssp
make
make install
cd ..

# Build binutils and newlib, second round (now with gcc)
mkdir bld-src-stage2
cd bld-src-stage2
../or1k-src/configure --target=or1k-elf --prefix=$PREFIX --enable-shared --disable-itcl --disable-tk --disable-tcl --disable-winsup --disable-gdbtk --disable-libgui --disable-rda --disable-sid --enable-sim --disable-or1ksim --enable-gdb --with-sysroot --enable-newlib --enable-libgloss
make
make install
cd ..

# Build gcc, second round
mkdir bld-gcc-stage2
cd bld-gcc-stage2
../or1k-gcc/configure --target=or1k-elf --prefix=$PREFIX --enable-languages=c,c++ --disable-shared --disable-libssp --with-newlib
make
make install
cd ..

##
# Now you have or1k-elf-gcc with -mnewlib and -mmulticore
##

# Get FuseSoC if you don't have it
# For Modelsim on a 64-bit machine you need my version
git clone https://github.com/wallento/fusesoc.git
cd fusesoc
autoreconf -i
./configure && make
cd ..

# Get modified ORPSoC
git clone -b multicore-demo https://github.com/wallento/orpsoc-cores.git

# Build demo
mkdir demo
cd demo
echo "[main]
cores_root=../orpsoc-cores/cores
systems_root=../orpsoc-cores/systems" > fusesoc.conf

# Before we build the hardware, we want to build the software to run
mkdir sw
cd sw
wget http://pastebin.com/download.php?i=1dyUnygK -O hello.c
or1k-elf-gcc -Wall -o hello.elf hello.c -mnewlib -mmulticore
cd ..

# Build fusesoc and run demo (modelsim)
export MODEL_TECH=$(dirname $(which vsim))
../fusesoc/bin/fusesoc sim --sim=modelsim mor1kx-dualcore --elf-load=$PWD/sw/hello.elf

# Build fusesoc and run demo (verilator)
../fusesoc/bin/fusesoc sim --sim=verilator mor1kx-dualcore --elf-load=$PWD/sw/hello.elf

# The software is run and output should be like (modelsim):
# Program header 0: addr 0x00000000, size 0x000125E0
# Program header 1: addr 0x000145E0, size 0x00000EE8
# elf-loader: /home/gu45zin/tmp-mor1kx-multicore/demo/sw/hello.elf was loaded
# Loading       21810 words
# orpsoc_tb.dut.mor1kx0.bus_gen.ibus_bridge: Wishbone bus IF is B3_REGISTERED_FEEDBACK
# orpsoc_tb.dut.mor1kx0.bus_gen.dbus_bridge: Wishbone bus IF is B3_REGISTERED_FEEDBACK
# orpsoc_tb.dut.mor1kx1.bus_gen.ibus_bridge: Wishbone bus IF is B3_REGISTERED_FEEDBACK
# orpsoc_tb.dut.mor1kx1.bus_gen.dbus_bridge: Wishbone bus IF is B3_REGISTERED_FEEDBACK
# [0, 278955.00 ns] Hello World from core 1 of 2!
# [1, 281775.00 ns] Hello World from core 2 of 2!
# [0, 320055.00 ns] malloced: 0x167d8
# [1, 322655.00 ns] malloced: 0x168e0
# [0, 349615.00 ns] wait for timer
# [1, 353235.00 ns] wait for timer
# [1, 866565.00 ns] Timer exception
# [1, 880685.00 ns] done
# [0, 1362795.00 ns] Timer exception
# [0, 1376925.00 ns] done

# By the different timer runtime you can see how they differently were set by the software
# including the parts in the or1k-support-reentrancy