%global Arch $(echo %{_host_cpu} | sed -e s/i.86/x86/ -e s/x86_64/x86/ -e s/aarch64.*/arm64/)

%global KernelVer %{version}-%{release}.raspi.%{_target_cpu}

%global hulkrelease 2005.2.0

%global debug_package %{nil}

Name:	 raspberrypi-kernel
Version: 4.19.90
Release: %{hulkrelease}.0036
Summary: Linux Kernel
License: GPLv2
URL:	 http://www.kernel.org/
Source0: kernel.tar.gz

BuildRequires: module-init-tools, patch >= 2.5.4, bash >= 2.03, tar
BuildRequires: bzip2, xz, findutils, gzip, m4, perl, make >= 3.78, diffutils, gawk
BuildRequires: gcc >= 3.4.2, binutils >= 2.12
BuildRequires: hostname, net-tools, bc
BuildRequires: xmlto, asciidoc
BuildRequires: openssl-devel
BuildRequires: hmaccalc
BuildRequires: ncurses-devel
BuildRequires: elfutils-libelf-devel
BuildRequires: rpm >= 4.14.2
BuildRequires: elfutils-devel zlib-devel binutils-devel newt-devel python-devel perl(ExtUtils::Embed) bison
BuildRequires: audit-libs-devel
BuildRequires: pciutils-devel gettext
BuildRequires: rpm-build, elfutils
BuildRequires: numactl-devel python3-devel glibc-static python3-docutils
BuildRequires: perl-generators perl(Carp) libunwind-devel gtk2-devel libbabeltrace-devel java-1.8.0-openjdk
AutoReq: no
AutoProv: yes

Provides: raspberrypi-kernel-aarch64 = %{version}-%{release}

ExclusiveArch: aarch64
ExclusiveOS: Linux

%description
The Linux Kernel image for RaspberryPi.

%prep
%setup -q -n kernel-%{version} -c
mv kernel linux-%{version}
cp -rl linux-%{version} linux-%{KernelVer}

cd linux-%{KernelVer}

find . \( -name "*.orig" -o -name "*~" \) -exec rm -f {} \; >/dev/null
find . -name .gitignore -exec rm -f {} \; >/dev/null

%build
cd linux-%{KernelVer}

perl -p -i -e "s/^EXTRAVERSION.*/EXTRAVERSION = -%{release}.raspi.%{_target_cpu}/" Makefile

make ARCH=%{Arch} %{?_smp_mflags} openeuler-raspi_defconfig
make ARCH=%{Arch} dtbs

TargetImage=$(basename $(make -s image_name))

make ARCH=%{Arch} $TargetImage %{?_smp_mflags}
make ARCH=%{Arch} modules %{?_smp_mflags}

%install
cd linux-%{KernelVer}

## install linux

make ARCH=%{Arch} INSTALL_MOD_PATH=$RPM_BUILD_ROOT modules_install KERNELRELEASE=%{KernelVer}
rm -rf $RPM_BUILD_ROOT/lib/modules/%{KernelVer}/source $RPM_BUILD_ROOT/lib/modules/%{KernelVer}/build

mkdir -p $RPM_BUILD_ROOT/boot
install -m 755 $(make -s image_name) $RPM_BUILD_ROOT/boot/vmlinuz-%{KernelVer}
install -m 644 .config $RPM_BUILD_ROOT/boot/config-%{KernelVer}
install -m 644 System.map $RPM_BUILD_ROOT/boot/System.map-%{KernelVer}

mkdir -p $RPM_BUILD_ROOT/boot/dtb-%{KernelVer}/overlays
install -m 644 $(find arch/%{Arch}/boot/dts/broadcom/ -name "*.dtb") $RPM_BUILD_ROOT/boot/dtb-%{KernelVer}/
install -m 644 $(find arch/%{Arch}/boot/dts/overlays/ -name "*.dtbo") $RPM_BUILD_ROOT/boot/dtb-%{KernelVer}/overlays/
install -m 644 arch/%{Arch}/boot/dts/overlays/README $RPM_BUILD_ROOT/boot/dtb-%{KernelVer}/overlays/

%files
%defattr (-, root, root)
%doc
/boot/config-*
/boot/System.map-*
/boot/vmlinuz-*
/boot/dtb-*
/lib/modules/%{KernelVer}/

%changelog
* Thu Jun 11 2020 EulixOS Buildteam <isrc-support@iscas.ac.cn> - 4.19.90-2003.4.0.0036-raspi
- Add spec file to generate RaspberryPi kernel image rpm.