# Maintainer: Azkali Manad
Name:		l4s-bsp-kernel
Version:	32.3.1
Release:	5
License:	GPL-3.0-only
Summary:	L4S custom BSP

BuildRequires: uboot-tools

# Sources
SOURCE0: https://gitlab.com/api/v4/projects/58434590/jobs/artifacts/master/download?job=32.3.1#/artifacts.zip

%prep
unzip %{SOURCE0}

%define kernel switch-kernel
%define kernel_ver 4.9.140

%description
%{summary}.

# Kernel packages
%package -n %{kernel}-core
Summary: Linux %{kernel_ver} Kernel Image
Version: %{kernel_ver}
Release: %{release}
Requires: %{kernel}-modules = %{kernel_ver}-%{release}
Requires: switch-bootfiles

%description -n %{kernel}-core
%{summary}.

%package -n %{kernel}-headers
Summary: Linux %{kernel_ver} Kernel headers
Version: %{kernel_ver}
Release: %{release}
Requires: %{kernel}-core = %{kernel_ver}-%{release}
Provides: kernel-headers
Requires: switch-bootfiles

%description -n %{kernel}-headers
%{summary}.

%package -n %{kernel}-modules
Summary: Linux %{kernel_ver} Kernel modules
Version: %{kernel_ver}
Release: %{release}
Requires: %{kernel}-core = %{kernel_ver}-%{release}
Provides: kernel-modules
Requires: switch-bootfiles

%description -n %{kernel}-modules
%{summary}.

%package -n %{kernel}-devel
Summary: Linux %{kernel_ver} Kernel devel package
Version: %{kernel_ver}
Release: %{release}
Requires: %{kernel}-core = %{kernel_ver}-%{release}
Provides: kernel-devel
AutoReq: 0
Requires: switch-bootfiles

%description -n %{kernel}-devel
%{summary}.

%package -n %{kernel}-switch-device-tree
Summary: Switch device-tree
Version: %{kernel_ver}
Release: %{release}
Requires: %{kernel}-core = %{kernel_ver}-%{release}
Requires: switch-bootfiles

%description -n %{kernel}-switch-device-tree
%{summary}.

%install
cd %{buildroot}
mkdir -p %{buildroot}/boot/switchroot %{buildroot}%{_exec_prefix}/lib %{buildroot}%{_usrsrc} %{buildroot}%{_exec_prefix}/lib/aarch64-linux-gnu/tegra/ %{buildroot}/etc/ld.so.conf.d/

# Kernel
install -m 755 %{_builddir}/uImage %{buildroot}/boot/switchroot
install -m 644 %{_builddir}/nx-plat.dtimg %{buildroot}/boot/switchroot

# Kernel modules
tar xf %{_builddir}/modules.tar.gz -C %{buildroot}%{_exec_prefix}/lib/
find %{buildroot}%{_exec_prefix}/lib/ \( -type f -o -type l \) | awk -F %{buildroot} '{print $2}' > %{_builddir}/swr-%{kernel}-modules

# Kernel headers
tar xf %{_builddir}/update.tar.gz -C %{buildroot}
find %{buildroot}%{_includedir} \( -type f -o -type l \) | awk -F %{buildroot} '{print $2}' > %{_builddir}/swr-%{kernel}-headers

%pre -n %{kernel}-core
if [[ ! $(ls /dev/mmcblk0*) ]]; then echo "Running in repo skipping boot dir mount"; exit 0; fi

mkdir -p /boot/switchroot /.boot

if ! mountpoint -q /.boot && ! mountpoint -q /boot/switchroot; then
	MMC_BLK="$(cat /proc/cmdline | awk -F 'boot_m=' '{print substr($2,0,1)}' | tr -d '\n')"
	MMC_PART="$(cat /proc/cmdline | awk -F 'boot_p=' '{print substr($2,0,1)}' | tr -d '\n')"
	[ -z "${MMC_PART}" ] && MMC_PART=1

	if [ -e /dev/mmcblk1 ]; then
		if [ -n "${MMC_BLK}" ]; then
			umount /dev/mmcblk"${MMC_BLK}"p"${MMC_PART}"
            sleep 1
			if mount /dev/mmcblk"${MMC_BLK}"p"${MMC_PART}" /.boot/; then
				BOOT_DEV_FOUND="true"; fi
		else
			umount /dev/mmcblk1p1
            sleep 1
			if mount /dev/mmcblk1p1 /.boot; then
				BOOT_DEV_FOUND="true"; fi
		fi
	else
		umount /dev/mmcblk0p"${MMC_PART}"
        sleep 1
		if mount /dev/mmcblk0p"${MMC_PART}" /.boot; then
		    BOOT_DEV_FOUND="true"; fi
	fi

	if [ "${BOOT_DEV_FOUND}" != "true" ]; then exit 1; fi
	mount --bind /.boot/switchroot/fedora /boot/switchroot || exit 1
fi

%pre -n %{kernel}-switch-device-tree
if [[ ! $(ls /dev/mmcblk0*) ]]; then echo "Running in repo skipping boot dir mount"; exit 0; fi

mkdir -p /boot/switchroot /.boot

if ! mountpoint -q /.boot && ! mountpoint -q /boot/switchroot; then
	MMC_BLK="$(cat /proc/cmdline | awk -F 'boot_m=' '{print substr($2,0,1)}' | tr -d '\n')"
	MMC_PART="$(cat /proc/cmdline | awk -F 'boot_p=' '{print substr($2,0,1)}' | tr -d '\n')"
	[ -z "${MMC_PART}" ] && MMC_PART=1

	if [ -e /dev/mmcblk1 ]; then
		if [ -n "${MMC_BLK}" ]; then
			umount /dev/mmcblk"${MMC_BLK}"p"${MMC_PART}"
            sleep 1
			if mount /dev/mmcblk"${MMC_BLK}"p"${MMC_PART}" /.boot/; then
				BOOT_DEV_FOUND="true"; fi
		else
			umount /dev/mmcblk1p1
            sleep 1
			if mount /dev/mmcblk1p1 /.boot; then
				BOOT_DEV_FOUND="true"; fi
		fi
	else
		umount /dev/mmcblk0p"${MMC_PART}"
        sleep 1
		if mount /dev/mmcblk0p"${MMC_PART}" /.boot; then
		    BOOT_DEV_FOUND="true"; fi
	fi

	if [ "${BOOT_DEV_FOUND}" != "true" ]; then exit 1; fi
	mount --bind /.boot/switchroot/fedora /boot/switchroot || exit 1
fi

# Initramfs
%posttrans -n %{kernel}-core
dracut --kver '%{kernel_ver}-l4t+' --force -H --hostonly-mode=strict --kernel-cmdline="rd.luks=0 rd.lvm=0 rd.md=0 rd.dm=0" /boot/switchroot/initramfs.tmp
mkimage -A arm64 -O linux -T ramdisk -C gzip -d /boot/switchroot/initramfs.tmp /boot/switchroot/initramfs
rm /boot/switchroot/initramfs.tmp

%posttrans -n %{kernel}-devel
ln -sfn kernel-4.9 %{_usrsrc}linux

%files -n %{kernel}-core
/boot/switchroot/uImage

%files -n %{kernel}-switch-device-tree
/boot/switchroot/nx-plat.dtimg

%files -n %{kernel}-devel
%{_usrsrc}

%files -n %{kernel}-headers -f %{_builddir}/swr-%{kernel}-headers
%files -n %{kernel}-modules -f %{_builddir}/swr-%{kernel}-modules

%changelog
%{autochangelog}