Name: u-boot
Version: 2020.10
Release: 0
Summary: Das U-Boot - Tizen bootloader
Group: System/Kernel
License: GPL-2.0+
ExclusiveArch: %{arm}
URL: https://source.denx.de/u-boot/u-boot.git
Source0: %{name}-%{version}.tar.bz2
Source1001: u_boot.manifest

BuildRequires: gcc >= 6.0
BuildRequires: flex
BuildRequires: bison

%description
u-boot - Tizen bootloader for Embedded boards based on ARM processor

#TODO: Describe rpm package information depending on board
%package -n u-boot-pkg
Summary: A bootloader for Embedded system
Group: System/Kernel

%description -n u-boot-pkg
A boot loader for embedded systems.
Das U-Boot is a cross-platform bootloader for embedded systems,
used as the default boot loader by several board vendors.  It is
intended to be easy to port and to debug, and runs on many
supported architectures, including PPC, ARM, MIPS, x86, m68k, NIOS,
and Microblaze.

%ifarch %{arm}
%global use_mmc_storage 1
%endif

%prep
%setup -q -n %{name}-%{version}

%build
%{?asan:/usr/bin/gcc-unforce-options}
cp %{SOURCE1001} .

CONFIG=tizen_defconfig

make mrproper

# Build dtc
make HOSTCC="gcc $RPM_OPT_FLAGS" -C tools/dtc

# Set configuration
make $CONFIG

# Build tools
make %{?_smp_mflags} HOSTCC="gcc $RPM_OPT_FLAGS" HOSTSTRIP=/bin/true tools

%if 1%{?use_mmc_storage}
make HOSTCC="gcc $RPM_OPT_FLAGS" CONFIG_ENV_IS_IN_MMC=y envtools
%else
make HOSTCC="gcc $RPM_OPT_FLAGS" envtools
%endif

# Build u-boot
export PATH="$PATH:tools:tools/dtc/"
make %{?_smp_mflags} EXTRAVERSION=`echo %{vcs} | sed 's/.*u-boot.*#\(.\{9\}\).*/-g\1-TIZEN.org/'`

# Prepare proper dtb image: cat u-boot-nodtb.bin multi.dtb > u-boot-multi.bin
chmod 755 tools/mkimage_multidtb.sh
mkimage_multidtb.sh u-boot-nodtb.bin

# Sign u-boot-multi.bin - output is: u-boot-mmc.bin
chmod 755 tools/mkimage_signed.sh
mkimage_signed.sh u-boot-multi.bin $CONFIG

# Generate params.bin
cp `find ./env -name "built-in.o"` copy_env_common.o
objcopy -O binary --only-section=.rodata.default_environment `find . -name "copy_env_common.o"`
tr '\0' '\n' < copy_env_common.o > default_envs.txt
mkenvimage -s 16384 -o params.bin default_envs.txt
rm copy_env_common.o default_envs.txt

%install
rm -rf %{buildroot}

# u-boot installation
mkdir -p %{buildroot}/var/tmp/u-boot
install -d %{buildroot}/var/tmp/u-boot
install -m 755 u-boot.bin %{buildroot}/var/tmp/u-boot
install -m 755 u-boot-mmc.bin %{buildroot}/var/tmp/u-boot
install -m 755 params.bin %{buildroot}/var/tmp/u-boot

%clean

%files
%manifest u_boot.manifest
%defattr(-,root,root,-)
/var/tmp/u-boot