Lines Matching +full:- +full:- +full:build +full:- +full:root
3 # ------------------------------ Part 1: Setup -------------------------------
6 [ -z "$NOCLEAR" ] && exec env -i NOCLEAR=1 HOME="$HOME" PATH="$PATH" \
9 ! [ -d mkroot ] && echo "Run mkroot/mkroot.sh from toybox source dir." && exit 1
13 [ "${i/=/}" != "$i" ] && export "$i" || { [ "$i" != -- ] && PKG="$PKG $i"; }
17 : ${TOP:=$PWD/root} ${BUILD:=$TOP/build} ${LOG:=$BUILD/log}
18 : ${AIRLOCK:=$BUILD/airlock} ${CCC:=$PWD/ccc} ${PKGDIR:=$PWD/mkroot/root}
23 # ----- Are we cross compiling (via CROSS_COMPILE= or CROSS=)
25 if [ -n "$CROSS_COMPILE" ]; then
27 [ -z "${X:=$(command -v "$CROSS_COMPILE"cc)}" ] && die "no ${CROSS_COMPILE}cc"
28 CROSS_COMPILE="$(realpath -s "${X%cc}")"
29 [ -z "$CROSS" ] && CROSS=${CROSS_COMPILE/*\//} CROSS=${CROSS/-*/}
31 elif [ -n "$CROSS" ]; then # CROSS=all/allnonstop/$ARCH else list known $ARCHes
32 [ ! -d "$CCC" ] && die "No ccc symlink to compiler directory."
33 TARGETS="$(ls "$CCC" | sed -n 's/-.*//p' | sort -u)"
41 CROSS_COMPILE="$(echo "$CCC/$CROSS"-*cross/bin/"$CROSS"*-cc)" # wildcard
42 [ ! -e "$CROSS_COMPILE" ] && echo $TARGETS && exit # list available targets
47 # Set per-target output directory (using "host" if not cross-compiling)
51 ${CROSS_COMPILE}cc --static -xc - -o /dev/null <<< "int main(void){return 0;}"||
54 # ----- Create hermetic build environment
56 if [ -z "$NOAIRLOCK"] && [ -n "$CROSS_COMPILE" ]; then
58 # - building a host toybox later builds use as their command line
59 # - cherry-picking specific commands from old path via symlink
60 if [ ! -e "$AIRLOCK/toybox" ]; then
67 CPIO_OPTS+=--no-preserve-owner
70 # Create per-target work directories
71 TEMP="$BUILD/${CROSS}-tmp" && rm -rf "$TEMP" &&
72 mkdir -p "$TEMP" "$OUTPUT" "$LOG" || exit 1
73 [ -z "$ROOT" ] && ROOT="$OUTPUT/fs" && rm -rf "$ROOT"
75 # ----- log build output
78 if [ -z "$NOLOGPATH" ]; then
80 [ -n "$CROSS_COMPILE" ] && PATH="${CROSS_COMPILE%/*}:$PATH" &&
82 export WRAPDIR="$BUILD/record-commands" LOGPATH="$LOG/$CROSS-commands.txt"
83 rm -rf "$WRAPDIR" "$LOGPATH" generated/obj &&
84 WRAPDIR="$WRAPDIR" CROSS_COMPILE= NOSTRIP=1 source mkroot/record-commands ||
89 rm -f "$LOG/$CROSS".{n,y} || exit 1
90 [ -z "$NOLOG" ] && exec > >(tee "$LOG/$CROSS.n") 2>&1
93 # ---------------------- Part 2: Create root filesystem -----------------------
95 # ----- Create new root filesystem's directory layout.
98 mkdir -p "$ROOT"/{dev,etc/rc,home,mnt,proc,root,sys,tmp/run,usr/{bin,sbin,lib},var} &&
99 chmod a+rwxt "$ROOT"/tmp && ln -s usr/{bin,sbin,lib} tmp/run "$ROOT" || exit 1
102 cat > "$ROOT"/init << 'EOF' &&
107 if ! mountpoint -q dev; then
108 mount -t devtmpfs dev dev
109 [ $$ -eq 1 ] && exec 0<>/dev/console 1>&0 2>&1
111 do ln -sf /proc/self/fd${i/,*/} dev/${i/*,/}; done
112 mkdir -p dev/shm
115 mountpoint -q dev/pts || { mkdir -p dev/pts && mount -t devpts dev/pts dev/pts;}
116 mountpoint -q proc || mount -t proc proc proc
117 mountpoint -q sys || mount -t sysfs sys sys
120 if [ $$ -eq 1 ]; then # Setup networking for QEMU (needs /proc)
121 mountpoint -q mnt || [ -e /dev/?da ] && mount /dev/?da /mnt
125 [ "$(date +%s)" -lt 1000 ] && timeout 2 sntp -sq 10.0.2.2 # Ask host
126 [ "$(date +%s)" -lt 10000000 ] && sntp -sq time.google.com
129 for i in $(ls -1 /etc/rc 2>/dev/null | sort); do . /etc/rc/"$i"; done
131 [ -z "$HANDOFF" ] && [ -e /mnt/init ] && HANDOFF=/mnt/init
132 [ -z "$HANDOFF" ] && HANDOFF=/bin/sh && echo -e '\e[?7hType exit when done.'
140 chmod +x "$ROOT"/init &&
142 # Google's nameserver, passwd+group with special (root/nobody) accounts + guest
143 echo "nameserver 8.8.8.8" > "$ROOT"/etc/resolv.conf &&
144 cat > "$ROOT"/etc/passwd << 'EOF' &&
145 root:x:0:0:root:/root:/bin/sh
149 echo -e 'root:x:0:\nguest:x:500:\nnobody:x:65534:' > "$ROOT"/etc/group || exit 1
151 # Build any packages listed on command line
158 # Build static toybox with existing .config if there is one, else defconfig+sh
160 [ -n "$PENDING" ] && rm -f .config
161 [ -e .config ] && CONF=silentoldconfig || unset CONF
163 [ -e "$ROOT"/lib/libc.so ] || export LDFLAGS=--static
164 PREFIX="$ROOT" make clean \
165 ${CONF:-defconfig KCONFIG_ALLCONFIG=<(echo "$XX")} toybox install || exit 1
168 # ------------------ Part 3: Build + package bootable system ------------------
171 csv2cfg() { sed -E '/^$/d;s/([^,]*)($|,)/CONFIG_\1='"$2"'\n/g' <<< "$1"; }
173 # ----- Build kernel for target
175 if [ -z "$LINUX" ] || [ ! -d "$LINUX/kernel" ]; then
176 echo 'No $LINUX directory, kernel build skipped.'
180 [ -z "$TARGET" ] &&
181 { [ "$CROSS" == host ] && TARGET="$(uname -m)" || TARGET="$CROSS"; }
183 # Target-specific info in an (alphabetical order) if/else staircase
189 QEMU="arm -M versatilepb -net nic,model=rtl8139 -net user"
193 DTB=arch/arm/boot/dts/versatile-pb.dtb
196 QEMU="aarch64 -M virt -cpu cortex-a57"
199 QEMU="arm -M virt" KARCH=arm VMLINUX=arch/arm/boot/zImage
204 QEMU="hexagon -M comet" KARGS=ttyS0 VMLINUX=vmlinux
209 QEMU="i386 -cpu 486 -global fw_cfg.dma_enabled=false" KCONF=M486
211 QEMU="i386 -cpu pentium3" KCONF=MPENTIUMII
219 QEMU="m68k -M q800" KARCH=m68k KARGS=ttyS0 VMLINUX=vmlinux
222 QEMU="mips -M malta" KARCH=mips KARGS=ttyS0 VMLINUX=vmlinux
225 QEMU="mipsel -M malta"
227 KARCH=powerpc QEMU="ppc -M g3beige" KARGS=ttyS0 VMLINUX=vmlinux
230 KARCH=powerpc QEMU="ppc64 -M pseries -vga none" KARGS=hvc0
242 QEMU="sh4 -M r2d -serial null -serial mon:stdio" KARCH=sh
251 if [ -n "$QEMU" ]; then
252 [ -z "$BUILTIN" ] && INITRD="-initrd initramfs.cpio.gz"
253 { echo qemu-system-"$QEMU" '"$@"' $QEMU_MORE -nographic -no-reboot -m 256 \
254 -kernel linux-kernel $INITRD ${DTB:+-dtb linux.dtb} \
255 "-append \"panic=1 HOST=$TARGET console=$KARGS \$KARGS\"" &&
256 echo "echo -e '\\e[?7h'"
257 } > "$OUTPUT"/run-qemu.sh &&
258 chmod +x "$OUTPUT"/run-qemu.sh || exit 1
261 announce "linux-$KARCH"
263 cp -sfR "$LINUX" "$TEMP/linux" && pushd "$TEMP/linux" &&
265 # Write linux-miniconfig
266 { echo "# make ARCH=$KARCH allnoconfig KCONFIG_ALLCONFIG=linux-miniconfig"
267 echo -e "# make ARCH=$KARCH -j \$(nproc)\n# boot $VMLINUX\n\n"
269 # Expand list of =y symbols, first generic then architecture-specific
271 echo "# architecture ${X:-independent}"
275 [ -n "$BUILTIN" ] && echo -e CONFIG_INITRAMFS_SOURCE="\"$OUTPUT/fs\""
278 } > "$OUTPUT/linux-miniconfig" &&
279 make ARCH=$KARCH allnoconfig KCONFIG_ALLCONFIG="$OUTPUT/linux-miniconfig" &&
283 sed -e 's/# CONFIG_EXPERT .*/CONFIG_EXPERT=y/' -e "$(sed -E -e '/^$/d' \
284 -e 's@([^,]*)($|,)@/^CONFIG_\1=y/d;$a# CONFIG_\1 is not set\n@g' \
285 <<< VT,SCHED_DEBUG,DEBUG_MISC,X86_DEBUG_FPU)" -i .config &&
287 cp .config "$OUTPUT/linux-fullconfig" &&
289 # Build kernel. Copy config, device tree binary, and kernel binary to output
290 make ARCH=$KARCH CROSS_COMPILE="$CROSS_COMPILE" -j $(nproc) all || exit 1
291 [ -n "$DTB" ] && { cp "$DTB" "$OUTPUT/linux.dtb" || exit 1 ;}
292 if [ -n "$MODULES" ]; then
294 (cd modz && find lib/modules | cpio -o -H newc $CPIO_OPTS ) | gzip \
297 cp "$VMLINUX" "$OUTPUT"/linux-kernel && cd .. && rm -rf linux && popd ||exit 1
300 # clean up and package root filesystem for initramfs.
301 if [ -z "$BUILTIN" ]; then
303 { (cd "$ROOT" && find . | cpio -o -H newc $CPIO_OPTS ) || exit 1
304 ! test -e "$OUTPUT/modules.cpio.gz" || zcat $_;} | gzip \
309 rmdir "$TEMP" "$BUILD" 2>/dev/null || exit 0 # remove if empty, not an error