Name: uke-cdsp-kernel-check
Version: 7.3.1
Release: 1%{?dist}
Summary: Native source and object evidence for FastRPC DMA admission
License: GPL-2.0-only
Source0: linux-7.3.1.tar.xz
Source1: uke-cdsp-dma-addon.tar.xz
BuildRequires: gcc gcc-c++ clang llvm lld make bc flex bison openssl-devel elfutils-libelf-devel perl git-core
ExclusiveArch: aarch64
%global debug_package %{nil}

%description
Text evidence only. Compiles the actual Linux FastRPC callbacks and a complete
AArch64 translation unit with the retained coherent-buffer lifetime patch.
Not a full cumulative kernel, runtime package, firmware or physical compute result.

%prep
echo 'fa595aad93734f829c963c2a90ef7c3673224fd7fdae7b49406e397cde2de231  %{SOURCE0}' | sha256sum -c -
%setup -q -n linux-7.3.1
tar -xJf %{SOURCE1}
git init --quiet
git apply --check cdsp-addon/patches/boot/0023-fastrpc-own-coherent-dma-handle.patch
git apply cdsp-addon/patches/boot/0023-fastrpc-own-coherent-dma-handle.patch
bash cdsp-addon/src/cdsp/apply-dma-admission.sh "$PWD"
sha256sum drivers/misc/fastrpc.c > before-repeat.sha256
bash cdsp-addon/src/cdsp/apply-dma-admission.sh "$PWD"
sha256sum -c before-repeat.sha256

%build
set -o pipefail
bash cdsp-addon/tests/fastrpc-cb-dma-qualify.sh "$PWD/drivers/misc/fastrpc.c" | tee checks.txt
CXX=clang++ bash cdsp-addon/tests/fastrpc-buffer-lifetime-contract.sh "$PWD/drivers/misc/fastrpc.c" | tee -a checks.txt
make ARCH=arm64 LLVM=1 defconfig
scripts/config --module QCOM_FASTRPC
make ARCH=arm64 LLVM=1 olddefconfig
grep -Fx 'CONFIG_QCOM_FASTRPC=m' .config
make ARCH=arm64 LLVM=1 KCFLAGS=-Werror -j4 drivers/misc/fastrpc.o
llvm-readelf -h drivers/misc/fastrpc.o | tee -a checks.txt
llvm-readelf -h drivers/misc/fastrpc.o | grep -E 'Machine:.*AArch64'
llvm-nm --defined-only drivers/misc/fastrpc.o | grep -E '[[:space:]]fastrpc_cb_probe$'
sha256sum drivers/misc/fastrpc.c drivers/misc/fastrpc.o .config | tee -a checks.txt
printf 'Independent defconfig object only; no cumulative Image or target acceptance\n' | tee -a checks.txt

%install
install -Dm644 checks.txt %{buildroot}%{_docdir}/%{name}/checks.txt
install -Dm644 cdsp-addon/source-commit %{buildroot}%{_docdir}/%{name}/source-commit
install -Dm644 cdsp-addon/docs/CDSP-KERNEL-DMA-ADMISSION.md %{buildroot}%{_docdir}/%{name}/scope.md

%files
%doc %{_docdir}/%{name}/checks.txt
%doc %{_docdir}/%{name}/source-commit
%doc %{_docdir}/%{name}/scope.md