%define target_board visionfive2
%define board_visionfive2 1

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

%define config_name tizen_%{target_board}_defconfig
%define buildarch riscv
%define variant %{buildarch}-%{target_board}

Name: %{variant}-linux-kernel
Summary: The Linux Kernel for RISC-V %{target_board}
Version: 6.6.17
Release: 0
License: GPL-2.0
ExclusiveArch: riscv64
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}-%{target_board}

BuildRequires: bc
BuildRequires: module-init-tools
BuildRequires: bison
BuildRequires: flex
BuildRequires: pkgconfig(openssl3)
BuildRequires: libunwind-devel
BuildRequires: libdw-devel
BuildRequires: libelf-devel
BuildRequires: elfutils
BuildRequires: xz-devel
BuildRequires: binutils-devel
BuildRequires: python3
BuildRequires: rsync
BuildRequires: python3-devel

# 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})

# modules

%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}

# devel

%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.

#headers
%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.

%package -n %{variant}-linux-kernel-perf
Summary: The perf performance counter tool
Group: System/Kernel
Provides: perf = %{version}

%description -n %{variant}-linux-kernel-perf
This package provides the "perf" tool that can be used to monitor performance
counter events as well as various kernel internal events.

%prep
%setup -q -n linux-kernel-%{version}

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

# distinguish binaries for different variants
echo "-%{variant}" > localversion-tizen

# extract uapi headers
make headers_install %{?_smp_mflags}

# Set config file
make %{config_name} %{?_smp_mflags}

# Build perf
make -s -C tools/perf EXTRA_CFLAGS="-fPIE -rdynamic" %{?_smp_mflags} NO_LIBTRACEEVENT=1

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

# Build modules
make  modules %{?_smp_mflags}

%install
QA_SKIP_BUILD_ROOT="DO_NOT_WANT"; export QA_SKIP_BUILD_ROOT

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

# Install kernel DTB
%if 0%{?board_visionfive2}
install -m 644 arch/%{buildarch}/boot/dts/starfive/jh7110*.dtb %{buildroot}/boot/
%endif
mkdir -p %{buildroot}/boot/overlays

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

install -m 644 arch/%{buildarch}/boot/Image %{buildroot}/boot/Image

# Install perf
make -s -C tools/perf EXTRA_CFLAGS="-fPIE -rdynamic" DESTDIR=%{buildroot}/usr install NO_LIBTRACEEVENT=1
rm -rf %{buildroot}/usr/etc
rm -rf %{buildroot}/usr/lib/debug
rm -rf %{buildroot}/usr/lib/perf
rm -rf %{buildroot}/usr/share

# Install modules
make INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=%{buildroot} modules_install

# 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" \
  --exclude "/build/" \
  ./  %{buildroot}/boot/kernel/devel/kernel-devel-%{variant}

%clean
rm -rf %{buildroot}

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

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

%files -n %{variant}-linux-kernel
%license COPYING
/boot/Image
%if 0%{?board_visionfive2}
/boot/jh7110*.dtb
%endif

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

%files -n %{variant}-linux-kernel-perf
%license COPYING
/usr/bin/*
/usr/libexec/*