# Ignore double dash in version for rpmbuild
%define _wrong_version_format_terminate_build 0

%define config_name tizen_bcm2711_defconfig
%ifarch aarch64
%define buildarch arm64
%else
%define buildarch arm
%endif
%define target_board rpi4
%define variant %{buildarch}-%{target_board}

Name: rpi4-linux-kernel
Summary: The Linux Kernel for Raspberry Pi4
Version: 5.10.95
Release: 0
License: GPL-2.0
ExclusiveArch: %{arm} aarch64
Group: System/Kernel
Vendor: The Linux Community
URL: https://www.kernel.org
Source0:   linux-kernel-%{version}.tar.xz
BuildRoot: %{_tmppath}/%{name}-%{PACKAGE_VERSION}-root

%define fullVersion %{version}-%{variant}

BuildRequires: bc
BuildRequires: module-init-tools
BuildRequires: bison
BuildRequires: flex
BuildRequires: libopenssl1.1-devel
BuildRequires: rsync

%description
The Linux Kernel, the operating system core itself

%package -n %{variant}-linux-kernel
License: GPL-2.0
Summary: Tizen kernel for %{target_board}
Group: System/Kernel
Provides: %{variant}-kernel-uname-r = %{fullVersion}
Provides: linux-kernel = %{version}-%{release}

%description -n %{variant}-linux-kernel
This package contains the Linux kernel for Tizen (arch %{buildarch}, target board %{target_board})

%package -n %{variant}-linux-kernel-modules
Summary: Kernel modules for %{target_board}
Group: System/Kernel
Provides: %{variant}-kernel-modules = %{fullVersion}
Provides: %{variant}-kernel-modules-uname-r = %{fullVersion}

%description -n %{variant}-linux-kernel-modules
Kernel-modules includes the loadable kernel modules(.ko files) for %{target_board}

%package -n %{variant}-linux-kernel-devel
License: GPL-2.0
Summary: Linux support kernel map and etc for other packages
Group: System/Kernel
Provides: %{variant}-kernel-devel = %{fullVersion}
Provides: %{variant}-kernel-devel-uname-r = %{fullVersion}

%description -n %{variant}-linux-kernel-devel
This package provides kernel map and etc information.

%package -n %{variant}-linux-kernel-headers
License: GPL-2.0
Summary: Linux support headers for userspace development
Group: System/Kernel
Provides: kernel-headers-tizen-dev

%description -n %{variant}-linux-kernel-headers
This package provides userspaces headers from the Linux kernel. These
headers are used by the installed headers for GNU glibc and other system
 libraries.

%prep
%setup -q

%build
%{?asan:/usr/bin/gcc-unforce-options}
%{?ubsan:/usr/bin/gcc-unforce-options}

# 0. extract uapi headers
make headers_check %{?_smp_mflags}
make headers_install %{?_smp_mflags}

# 1-1. Set config file
make %{config_name} %{?_smp_mflags}
if ! grep -q "^CONFIG_LOCALVERSION=\"-%{variant}" .config; then
    ./scripts/config --set-str CONFIG_LOCALVERSION "-%{variant}$(eval $(grep ^CONFIG_LOCALVERSION= .config); echo $CONFIG_LOCALVERSION)"
fi

# 1-2. Build Image/Image.gz
make %{?_smp_mflags}

# 1-3. Build dtbs
make dtbs %{?_smp_mflags}

# 1-4. Build modules
make modules %{?_smp_mflags}

%install
QA_SKIP_BUILD_ROOT="DO_NOT_WANT"; export QA_SKIP_BUILD_ROOT

# 2-1. Destination directories
mkdir -p %{buildroot}/boot
mkdir -p %{buildroot}/lib/modules

# 2-2. Install kernel binary and DTB
%ifarch aarch64
install -m 644 arch/%{buildarch}/boot/Image %{buildroot}/boot/
install -m 644 arch/%{buildarch}/boot/dts/broadcom/bcm*.dtb %{buildroot}/boot/
%else
install -m 644 arch/%{buildarch}/boot/zImage %{buildroot}/boot/
install -m 644 arch/%{buildarch}/boot/dts/bcm*.dtb %{buildroot}/boot/
%endif

# 2-3. Install modules
make INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=%{buildroot} modules_install

# 2-4. Install boot binary files
%ifarch aarch64
install -m 644 rpi4/boot/config_64bit.txt %{buildroot}/boot/config.txt
%else
install -m 644 rpi4/boot/config.txt %{buildroot}/boot/
%endif
install -m 644 rpi4/boot/LICENCE.broadcom %{buildroot}/boot/
install -m 644 rpi4/boot/start*.elf %{buildroot}/boot/
install -m 644 rpi4/boot/fixup*.dat %{buildroot}/boot/

# 2-5. Install kernel headers
make headers_install %{?_smp_mflags} INSTALL_HDR_PATH=%{buildroot}/usr

# 3. Copy files for devel package
mkdir -p %{buildroot}/boot/kernel/devel/kernel-devel-%{variant}
rsync -r \
    --include "/scripts/**.c" \
    --exclude "/debug*.list" \
    --exclude "/documentation.list" \
    --exclude "/*.manifest" \
    --exclude "/packaging/" \
    --exclude "/.gbs.conf" \
    --exclude "/.git**" \
    --exclude ".gitignore" \
    --exclude "*\.c" \
    --exclude ".tmp_vmlinux*" \
    --exclude ".*dtb*tmp" \
    --exclude ".*dtb" \
    --exclude "*.*tmp" \
    --exclude "vmlinux" \
    --exclude "Image" \
    --exclude "zImage" \
    --exclude "Image.gz" \
    --exclude "*.cmd" \
    --exclude "*.ko" \
    --exclude "*.o" \
    --exclude "*.S" \
    --exclude "*.HEX" \
%{_builddir}/%{name}-%{version}/ %{buildroot}/boot/kernel/devel/kernel-devel-%{variant}

%clean
rm -rf %{buildroot}

%files -n %{variant}-linux-kernel-modules
/lib/modules/*

%files -n %{variant}-linux-kernel-devel
/boot/kernel/devel/*

%files -n %{variant}-linux-kernel
%license COPYING
%ifarch aarch64
/boot/Image
%else
/boot/zImage
%endif
/boot/bcm*.dtb
/boot/config.txt
/boot/LICENCE.broadcom
/boot/start*.elf
/boot/fixup*.dat

%files -n %{variant}-linux-kernel-headers
/usr/include/*