1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3
4# Test runner for nolibc tests
5
6set -e
7
8trap 'echo Aborting...' 'ERR'
9
10crosstool_version=13.2.0
11hostarch=x86_64
12nproc=$(( $(nproc) + 2))
13cache_dir="${XDG_CACHE_HOME:-"$HOME"/.cache}"
14download_location="${cache_dir}/crosstools/"
15build_location="$(realpath "${cache_dir}"/nolibc-tests/)"
16perform_download=0
17test_mode=system
18archs="i386 x86_64 arm64 arm mips32le mips32be ppc ppc64 ppc64le riscv s390 loongarch"
19
20TEMP=$(getopt -o 'j:d:c:b:a:m:ph' -n "$0" -- "$@")
21
22eval set -- "$TEMP"
23unset TEMP
24
25print_usage() {
26	cat <<EOF
27Run nolibc testsuite for multiple architectures with crosstools
28
29Usage:
30 $0 [options] <architectures>
31
32Known architectures:
33 ${archs}
34
35Options:
36 -j [N]         Allow N jobs at once (default: ${nproc})
37 -p             Allow download of toolchains
38 -d [DIR]       Download location for toolchains (default: ${download_location})
39 -c [VERSION]   Version of toolchains to use (default: ${crosstool_version})
40 -a [ARCH]      Host architecture of toolchains to use (default: ${hostarch})
41 -b [DIR]       Build location (default: ${build_location})
42 -m [MODE]      Test mode user/system (default: ${test_mode})
43EOF
44}
45
46while true; do
47	case "$1" in
48		'-j')
49			nproc="$2"
50			shift 2; continue ;;
51		'-p')
52			perform_download=1
53			shift; continue ;;
54		'-d')
55			download_location="$2"
56			shift 2; continue ;;
57		'-c')
58			crosstool_version="$2"
59			shift 2; continue ;;
60		'-a')
61			hostarch="$2"
62			shift 2; continue ;;
63		'-b')
64			build_location="$(realpath "$2")"
65			shift 2; continue ;;
66		'-m')
67			test_mode="$2"
68			shift 2; continue ;;
69		'-h')
70			print_usage
71			exit 0
72			;;
73		'--')
74			shift; break ;;
75		*)
76			echo 'Internal error!' >&2; exit 1 ;;
77	esac
78done
79
80if [[ -n "$*" ]]; then
81	archs="$*"
82fi
83
84crosstool_arch() {
85	case "$1" in
86	arm64) echo aarch64;;
87	ppc) echo powerpc;;
88	ppc64) echo powerpc64;;
89	ppc64le) echo powerpc64;;
90	riscv) echo riscv64;;
91	loongarch) echo loongarch64;;
92	mips*) echo mips;;
93	*) echo "$1";;
94	esac
95}
96
97crosstool_abi() {
98	case "$1" in
99	arm) echo linux-gnueabi;;
100	*) echo linux;;
101	esac
102}
103
104download_crosstool() {
105	arch="$(crosstool_arch "$1")"
106	abi="$(crosstool_abi "$1")"
107
108	archive_name="${hostarch}-gcc-${crosstool_version}-nolibc-${arch}-${abi}.tar.gz"
109	url="https://mirrors.edge.kernel.org/pub/tools/crosstool/files/bin/${hostarch}/${crosstool_version}/${archive_name}"
110	archive="${download_location}${archive_name}"
111	stamp="${archive}.stamp"
112
113	[ -f "${stamp}" ] && return
114
115	echo "Downloading crosstools ${arch} ${crosstool_version}"
116	mkdir -p "${download_location}"
117	curl -o "${archive}" --fail --continue-at - "${url}"
118	tar -C "${download_location}" -xf "${archive}"
119	touch "${stamp}"
120}
121
122# capture command output, print it on failure
123# mimics chronic(1) from moreutils
124function swallow_output() {
125	if ! OUTPUT="$("$@" 2>&1)"; then
126		echo "$OUTPUT"
127		return 1
128	fi
129	return 0
130}
131
132test_arch() {
133	arch=$1
134	ct_arch=$(crosstool_arch "$arch")
135	ct_abi=$(crosstool_abi "$1")
136	cross_compile=$(realpath "${download_location}gcc-${crosstool_version}-nolibc/${ct_arch}-${ct_abi}/bin/${ct_arch}-${ct_abi}-")
137	build_dir="${build_location}/${arch}"
138	MAKE=(make -j"${nproc}" XARCH="${arch}" CROSS_COMPILE="${cross_compile}" O="${build_dir}")
139
140	mkdir -p "$build_dir"
141	if [ "$test_mode" = "system" ] && [ ! -f "${build_dir}/.config" ]; then
142		swallow_output "${MAKE[@]}" defconfig
143	fi
144	case "$test_mode" in
145		'system')
146			test_target=run
147			;;
148		'user')
149			test_target=run-user
150			;;
151		*)
152			echo "Unknown mode $test_mode"
153			exit 1
154	esac
155	printf '%-15s' "$arch:"
156	swallow_output "${MAKE[@]}" "$test_target" V=1
157	cp run.out run.out."${arch}"
158	"${MAKE[@]}" report | grep passed
159}
160
161if [ "$perform_download" -ne 0 ]; then
162	for arch in $archs; do
163		download_crosstool "$arch"
164	done
165fi
166
167for arch in $archs; do
168	test_arch "$arch"
169done
170