#!/bin/sh

# SPDX-FileCopyrightText: 2021 Andrius Štikonas <andrius@stikonas.eu>
# SPDX-FileCopyrightText: 2021 Paul Dersey <pdersey@gmail.com>
# SPDX-FileCopyrightText: 2020-2022 fosslinux <fosslinux@aussies.space>
# SPDX-FileCopyrightText: 2022 Dor Askayo <dor.askayo@gmail.com>
#
# SPDX-License-Identifier: GPL-3.0-or-later

set -ex

# checksum-transcriber utility
M2LIBC_PATH=/M2libc
M2-Mesoplanet --architecture ${ARCH} -f checksum-transcriber.c -o ${bindir}/checksum-transcriber
sha256sum -c checksum-transcriber.${ARCH}.SHA256SUM

# simple patch tool based on before and after chunks
M2-Mesoplanet --architecture x86 -f simple-patch.c -o ${bindir}/simple-patch

# Environmental variables needed for mes
NYACC_PKG=nyacc-1.00.2
MES_VERSION=0.24.2
MES_PKG=mes-${MES_VERSION}
MES_PKG_DIR=${MES_PKG}
MES_PREFIX=${sysa}/${MES_PKG}/build/${MES_PKG_DIR}
GUILE_LOAD_PATH=${MES_PREFIX}/mes/module:${MES_PREFIX}/module:${sysa}/${MES_PKG}/build/${NYACC_PKG}/module

# mes
pkg=${MES_PKG}
cd ${pkg}
kaem --file ${pkg}.kaem
cd ..

# tcc 0.9.26
pkg="tcc-0.9.26"
cd ${pkg}
kaem --file ${pkg}.kaem
cd ..

libdir=${libdir}/mes

# tcc 0.9.27
pkg="tcc-0.9.27"
cd ${pkg}
kaem --file ${pkg}.kaem
cd ..

BUILD_FIWIX=False

if match x${KERNEL_BOOTSTRAP} xTrue; then
    BUILD_FIWIX=True
fi

if match x${BUILD_KERNELS} xTrue; then
    BUILD_FIWIX=True
fi

if match x${BUILD_FIWIX} xTrue; then
    # The Fiwix kernel
    pkg="fiwix-1.4.0-lb3"
    cd ${pkg}
    kaem --verbose --file ${pkg}.kaem
    cd ..

    # ext2 file system library for Fiwix
    pkg="lwext4-1.0.0-lb1"
    cd ${pkg}
    kaem --verbose --file ${pkg}.kaem
    cd ..

    # Live boot loader for Fiwix
    pkg="kexec-fiwix"
    cd ${pkg}
    kaem --verbose --file ${pkg}.kaem
    cd ..
fi

if match x${KERNEL_BOOTSTRAP} xTrue; then
    # Build the ext2 image
    make_fiwix_initrd

    # Boot Fiwix
    kexec-fiwix
else
    exec kaem --verbose --file run-after-fiwix.kaem
fi