#!/bin/bash
set -ex

QEMU_CMD=$1
RAM=$2

pushd sysa

# SYSTEM A

# Setup tmp 
mkdir -p tmp/
sudo mount -t tmpfs -o size=8G tmpfs tmp

# base: mescc-tools-seed
# copy in all the mescc-tools-seed stuff
cp -r mescc-tools-seed/x86/* tmp
cp -r mescc-tools-seed/{M2-Planet,mes-m2} tmp/
cp -r mescc-tools-patched tmp/mescc-tools
# and the kaem seed
cp ../bootstrap-seeds/POSIX/x86/kaem-optional-seed tmp/init
cp ../bootstrap-seeds/POSIX/x86/kaem-optional-seed tmp/
cp -r ../bootstrap-seeds tmp/
# replace the init kaem with our own custom one
mv tmp/kaem.run tmp/mescc-tools-seed.kaem.run
cp base.kaem.run tmp/kaem.run
# create directories needed
mkdir tmp/bin

# after mescc-tools-seed we get into our own directory because
# the mescc-tools-seed one is hella messy
mkdir tmp/after/bin -p
mkdir tmp/after/{lib,include}
mkdir tmp/after/lib/{tcc,linux}
ln -s . tmp/after/lib/x86-mes
ln -s . tmp/after/lib/linux/x86-mes
mkdir tmp/after/include/{mes,gnu,linux,sys,mach}
mkdir tmp/after/include/linux/{x86,x86_64}
# put all the kaems for after in
cp after.kaem tmp/
cp after.kaem.run tmp/after/kaem.run

# mescc-tools-extra
cp -r mescc-tools-extra tmp/after/

# blynn-compiler
pushd tmp/after
git clone ../../blynn-compiler-oriansj blynn-compiler
cp ../../blynn-compiler.kaem blynn-compiler/go.kaem
mkdir blynn-compiler/{bin,generated}
popd

# mes
cp -r mes tmp/after/
cp -r mes tmp/after/tcc-mes
ln -s lib/x86-mes tmp/after/mes/x86-mes
cp -r nyacc tmp/after/
cp mes.kaem tmp/after/
cp mes-files/mescc.scm tmp/after/bin/
cp mes-files/config.h tmp/after/mes/include/mes/
cp mes-files/config.h tmp/after/tcc-mes/include/mes/
mkdir tmp/after/mes/{bin,m2}

# tcc 0.9.26
cp tcc.kaem tmp/after/
cp -r tcc-0.9.26p1 tmp/after/
pushd tmp/after/tcc-0.9.26p1
cp ../../../tcc-0.9.26p1-files/config.h .
ln -s ../mes/module .
ln -s ../mes/mes .
ln -s /after/lib x86-mes
ln -s /after/lib/linux .
popd

# General cleanup
find tmp -name .git -exec rm -rf \;

# initramfs
cd tmp 
find . | cpio -H newc -o | gzip > initramfs.igz

# Run
${QEMU_CMD:-qemu-system-x86_64} -enable-kvm \
    -m ${RAM:-8G} \
    -nographic \
    -no-reboot \
    -kernel ../../kernel -initrd initramfs.igz -append console=ttyS0

cd ../..

# Cleanup
sudo umount sysa/tmp