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1 #!/bin/bash | 1 #!/bin/bash |
2 | 2 |
3 # Copyright (c) 2009 The Chromium OS Authors. All rights reserved. | 3 # Copyright (c) 2009 The Chromium OS Authors. All rights reserved. |
4 # Use of this source code is governed by a BSD-style license that can be | 4 # Use of this source code is governed by a BSD-style license that can be |
5 # found in the LICENSE file. | 5 # found in the LICENSE file. |
6 | 6 |
7 # Script to build a bootable keyfob-based chromeos system image from within | 7 # Script to build a bootable keyfob-based chromeos system image from within |
8 # a chromiumos setup. This assumes that all needed packages have been built into | 8 # a chromiumos setup. This assumes that all needed packages have been built into |
9 # the given target's root with binary packages turned on. This script will | 9 # the given target's root with binary packages turned on. This script will |
10 # build the Chrome OS image using only pre-built binary packages. | 10 # build the Chrome OS image using only pre-built binary packages. |
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49 # Only now can we die on error. shflags functions leak non-zero error codes, | 49 # Only now can we die on error. shflags functions leak non-zero error codes, |
50 # so will die prematurely if 'set -e' is specified before now. | 50 # so will die prematurely if 'set -e' is specified before now. |
51 set -e | 51 set -e |
52 | 52 |
53 if [ -z "$FLAGS_board" ] ; then | 53 if [ -z "$FLAGS_board" ] ; then |
54 error "--board is required." | 54 error "--board is required." |
55 exit 1 | 55 exit 1 |
56 fi | 56 fi |
57 | 57 |
58 # Sanity check: statefuldev cannot be true if withdev is false. | 58 # Sanity check: statefuldev cannot be true if withdev is false. |
59 if [ $FLAGS_statefuldev -eq $FLAGS_TRUE ] && | 59 if [ $FLAGS_statefuldev -eq $FLAGS_TRUE ] && |
60 [ $FLAGS_withdev -eq $FLAGS_FALSE ] ; then | 60 [ $FLAGS_withdev -eq $FLAGS_FALSE ] ; then |
61 echo "ERROR: statefuldev flag cannot be set to true without withdev" | 61 echo "ERROR: statefuldev flag cannot be set to true without withdev" |
62 exit 1 | 62 exit 1 |
63 fi | 63 fi |
64 | 64 |
65 # Determine build version. | 65 # Determine build version. |
66 . "${SCRIPTS_DIR}/chromeos_version.sh" | 66 . "${SCRIPTS_DIR}/chromeos_version.sh" |
67 | 67 |
68 # Use canonical path since some tools (e.g. mount) do not like symlinks. | 68 # Use canonical path since some tools (e.g. mount) do not like symlinks. |
69 # Append build attempt to output directory. | 69 # Append build attempt to output directory. |
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122 sleep 1 # in case $LOOP_DEV is in use (TODO: Try umount -l?). | 122 sleep 1 # in case $LOOP_DEV is in use (TODO: Try umount -l?). |
123 sudo losetup -d "$LOOP_DEV" | 123 sudo losetup -d "$LOOP_DEV" |
124 } | 124 } |
125 | 125 |
126 cleanup_stateful_fs_loop() { | 126 cleanup_stateful_fs_loop() { |
127 sudo umount "$STATEFUL_LOOP_DEV" | 127 sudo umount "$STATEFUL_LOOP_DEV" |
128 sleep 1 # follows from cleanup_root_fs_loop. | 128 sleep 1 # follows from cleanup_root_fs_loop. |
129 sudo losetup -d "$STATEFUL_LOOP_DEV" | 129 sudo losetup -d "$STATEFUL_LOOP_DEV" |
130 } | 130 } |
131 | 131 |
| 132 cleanup_esp_loop() { |
| 133 sudo umount "$ESP_DIR" |
| 134 } |
| 135 |
132 cleanup() { | 136 cleanup() { |
133 # Disable die on error. | 137 # Disable die on error. |
134 set +e | 138 set +e |
135 | 139 |
136 # Unmount stateful partition from usr/local if bound. | 140 # Unmount stateful partition from usr/local if bound. |
137 if [ -s "$ROOT_FS_DIR/usr/local/bin" ] ; then | 141 if [ -s "$ROOT_FS_DIR/usr/local/bin" ] ; then |
138 sudo umount $ROOT_FS_DIR/usr/local | 142 sudo umount $ROOT_FS_DIR/usr/local |
139 fi | 143 fi |
140 | 144 |
141 if [[ -n "$STATEFUL_LOOP_DEV" ]]; then | 145 if [[ -n "$STATEFUL_LOOP_DEV" ]]; then |
142 cleanup_stateful_fs_loop | 146 cleanup_stateful_fs_loop |
143 fi | 147 fi |
144 | 148 |
145 if [[ -n "$LOOP_DEV" ]]; then | 149 if [[ -n "$LOOP_DEV" ]]; then |
146 cleanup_rootfs_loop | 150 cleanup_rootfs_loop |
147 fi | 151 fi |
148 | 152 |
| 153 if [[ -n "$ESP_DIR" ]]; then |
| 154 cleanup_esp_loop |
| 155 fi |
| 156 |
149 # Turn die on error back on. | 157 # Turn die on error back on. |
150 set -e | 158 set -e |
151 } | 159 } |
152 | 160 |
153 trap cleanup EXIT | 161 trap cleanup EXIT |
154 | 162 |
155 mkdir -p "$ROOT_FS_DIR" | 163 mkdir -p "$ROOT_FS_DIR" |
156 | 164 |
157 # Create and format the root file system. | 165 # Create and format the root file system. |
158 | 166 |
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243 | 251 |
244 if [[ $FLAGS_jobs -ne -1 ]]; then | 252 if [[ $FLAGS_jobs -ne -1 ]]; then |
245 EMERGE_JOBS="--jobs=$FLAGS_jobs" | 253 EMERGE_JOBS="--jobs=$FLAGS_jobs" |
246 fi | 254 fi |
247 | 255 |
248 if [ $FLAGS_statefuldev -eq $FLAGS_TRUE ] ; then | 256 if [ $FLAGS_statefuldev -eq $FLAGS_TRUE ] ; then |
249 # Creating stateful partition. | 257 # Creating stateful partition. |
250 echo "Setting up symlinks for stateful partition install" | 258 echo "Setting up symlinks for stateful partition install" |
251 DEV_IMAGE_ROOT="$STATEFUL_DIR/dev_image" | 259 DEV_IMAGE_ROOT="$STATEFUL_DIR/dev_image" |
252 sudo mkdir -p "$DEV_IMAGE_ROOT/usr" | 260 sudo mkdir -p "$DEV_IMAGE_ROOT/usr" |
253 | 261 |
254 # Setup symlinks in stateful partition. | 262 # Setup symlinks in stateful partition. |
255 for path in bin include lib libexec sbin share; do | 263 for path in bin include lib libexec sbin share; do |
256 sudo mkdir "$DEV_IMAGE_ROOT/$path" | 264 sudo mkdir "$DEV_IMAGE_ROOT/$path" |
257 sudo ln -s "$DEV_IMAGE_ROOT/$path" "$DEV_IMAGE_ROOT/usr/$path" | 265 sudo ln -s "$DEV_IMAGE_ROOT/$path" "$DEV_IMAGE_ROOT/usr/$path" |
258 done | 266 done |
259 | 267 |
260 # Setup symlinks that don't conform to above model. | 268 # Setup symlinks that don't conform to above model. |
261 sudo ln -s "$DEV_IMAGE_ROOT/lib" "$DEV_IMAGE_ROOT/usr/lib64" | 269 sudo ln -s "$DEV_IMAGE_ROOT/lib" "$DEV_IMAGE_ROOT/usr/lib64" |
262 sudo ln -s "$DEV_IMAGE_ROOT" "$DEV_IMAGE_ROOT/usr/local" | 270 sudo ln -s "$DEV_IMAGE_ROOT" "$DEV_IMAGE_ROOT/usr/local" |
263 | 271 |
264 # Bind to rootfs. | 272 # Bind to rootfs. |
265 echo "Binding stateful partition to rootfs's /usr/local" | 273 echo "Binding stateful partition to rootfs's /usr/local" |
266 sudo mkdir -p "$ROOT_FS_DIR/usr/local" | 274 sudo mkdir -p "$ROOT_FS_DIR/usr/local" |
267 sudo mount -n --bind "$DEV_IMAGE_ROOT" "$ROOT_FS_DIR/usr/local" | 275 sudo mount -n --bind "$DEV_IMAGE_ROOT" "$ROOT_FS_DIR/usr/local" |
268 fi | 276 fi |
269 | 277 |
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289 sudo cp -a "$(which ldd)" "${ROOT_DEV_DIR}/usr/bin" | 297 sudo cp -a "$(which ldd)" "${ROOT_DEV_DIR}/usr/bin" |
290 fi | 298 fi |
291 | 299 |
292 # Install packages required for testing. | 300 # Install packages required for testing. |
293 if [[ $FLAGS_withtest -eq $FLAGS_TRUE ]] ; then | 301 if [[ $FLAGS_withtest -eq $FLAGS_TRUE ]] ; then |
294 sudo INSTALL_MASK="$INSTALL_MASK" emerge-${BOARD} \ | 302 sudo INSTALL_MASK="$INSTALL_MASK" emerge-${BOARD} \ |
295 --root="$ROOT_DEV_DIR" --root-deps=rdeps \ | 303 --root="$ROOT_DEV_DIR" --root-deps=rdeps \ |
296 --usepkgonly chromeos-test $EMERGE_JOBS | 304 --usepkgonly chromeos-test $EMERGE_JOBS |
297 fi | 305 fi |
298 | 306 |
299 # Clean up links setup for stateful install of extra packages. | 307 # Clean up links setup for stateful install of extra packages. |
300 if [ $FLAGS_statefuldev -eq $FLAGS_TRUE ] ; then | 308 if [ $FLAGS_statefuldev -eq $FLAGS_TRUE ] ; then |
301 # Fix symlinks so they work on live system. | 309 # Fix symlinks so they work on live system. |
302 for path in bin include lib libexec sbin share; do | 310 for path in bin include lib libexec sbin share; do |
303 sudo unlink $DEV_IMAGE_ROOT/usr/$path | 311 sudo unlink $DEV_IMAGE_ROOT/usr/$path |
304 sudo ln -s /usr/local/$path $DEV_IMAGE_ROOT/usr/$path | 312 sudo ln -s /usr/local/$path $DEV_IMAGE_ROOT/usr/$path |
305 done | 313 done |
306 | 314 |
307 # Fix exceptions. | 315 # Fix exceptions. |
308 sudo unlink "$DEV_IMAGE_ROOT/usr/lib64" | 316 sudo unlink "$DEV_IMAGE_ROOT/usr/lib64" |
309 sudo unlink "$DEV_IMAGE_ROOT/usr/local" | 317 sudo unlink "$DEV_IMAGE_ROOT/usr/local" |
310 | 318 |
311 sudo ln -s "/usr/local/lib" "$DEV_IMAGE_ROOT/usr/lib64" | 319 sudo ln -s "/usr/local/lib" "$DEV_IMAGE_ROOT/usr/lib64" |
312 sudo ln -s "/usr/local" "$DEV_IMAGE_ROOT/usr/local" | 320 sudo ln -s "/usr/local" "$DEV_IMAGE_ROOT/usr/local" |
313 | 321 |
314 #TODO(sosa@chromium.org) - /usr/bin/xterm symlink not created in stateful. | 322 #TODO(sosa@chromium.org) - /usr/bin/xterm symlink not created in stateful. |
315 sudo ln -sf "/usr/local/bin/aterm" "/usr/bin/xterm" | 323 sudo ln -sf "/usr/local/bin/aterm" "/usr/bin/xterm" |
316 fi | 324 fi |
317 | 325 |
318 # Perform any customizations on the root file system that are needed. | 326 # Perform any customizations on the root file system that are needed. |
319 WITH_DEV="" | 327 WITH_DEV="" |
320 if [[ $FLAGS_withdev -eq $FLAGS_TRUE ]]; then | 328 if [[ $FLAGS_withdev -eq $FLAGS_TRUE ]]; then |
321 WITH_DEV="--withdev" | 329 WITH_DEV="--withdev" |
322 fi | 330 fi |
323 | 331 |
324 # Extract the kernel from the root filesystem for use by the GPT image. Legacy | 332 # Extract the kernel from the root filesystem for use by the GPT image. Legacy |
325 # BIOS will use the kernel in the rootfs (via syslinux), ChromeOS BIOS will use | 333 # BIOS will use the kernel in the rootfs (via syslinux), Chrome OS BIOS will |
326 # the kernel partition. | 334 # use the kernel partition. |
327 sudo cp -f "${ROOT_FS_DIR}/boot/vmlinuz" "${OUTPUT_DIR}/vmlinuz.image" | 335 sudo cp -f "${ROOT_FS_DIR}/boot/vmlinuz" "${OUTPUT_DIR}/vmlinuz.image" |
328 | 336 |
| 337 # Create EFI System Partition to boot stock EFI BIOS (but not ChromeOS EFI |
| 338 # BIOS). We only need this for x86, but it's simpler and safer to keep the disk |
| 339 # images the same for both x86 and ARM. |
| 340 ESP_IMG=${OUTPUT_DIR}/esp.image |
| 341 # NOTE: The size argument for mkfs.vfat is in 1024-byte blocks. We'll hard-code |
| 342 # it to 16M for now. |
| 343 ESP_BLOCKS=16384 |
| 344 /usr/sbin/mkfs.vfat -C ${OUTPUT_DIR}/esp.image ${ESP_BLOCKS} |
| 345 ESP_DIR=${OUTPUT_DIR}/esp |
| 346 mkdir -p ${ESP_DIR} |
| 347 sudo mount -o loop ${ESP_IMG} ${ESP_DIR} |
| 348 sudo mkdir -p ${ESP_DIR}/efi/boot |
| 349 sudo grub-mkimage -p /efi/boot -o ${ESP_DIR}/efi/boot/bootx64.efi \ |
| 350 part_gpt fat ext2 normal boot sh chain configfile linux |
| 351 sudo cp ${ROOT_FS_DIR}/boot/vmlinuz ${ESP_DIR}/efi/boot/vmlinuz |
| 352 cat <<EOF | sudo dd of=${ESP_DIR}/efi/boot/grub.cfg |
| 353 set timeout=2 |
| 354 set default=0 |
| 355 |
| 356 menuentry "32-bit serial" { |
| 357 linux /efi/boot/vmlinuz earlyprintk=serial,ttyS0,115200 i915.modeset=0 console
=ttyS0,115200 acpi=off init=/sbin/init boot=local rootwait root=/dev/sda3 ro nor
esume noswap loglevel=7 |
| 358 } |
| 359 EOF |
| 360 |
329 #TODO(sosa@chromium.org) - Does it make sense to leave /usr/local bound here? | 361 #TODO(sosa@chromium.org) - Does it make sense to leave /usr/local bound here? |
330 "${SCRIPTS_DIR}/customize_rootfs" \ | 362 "${SCRIPTS_DIR}/customize_rootfs" \ |
331 --root="$ROOT_FS_DIR" \ | 363 --root="$ROOT_FS_DIR" \ |
332 --target="$ARCH" \ | 364 --target="$ARCH" \ |
333 --board="$BOARD" \ | 365 --board="$BOARD" \ |
334 $WITH_DEV | 366 $WITH_DEV |
335 | 367 |
336 # Check that the image has been correctly created. | 368 # Check that the image has been correctly created. |
337 "${SCRIPTS_DIR}/test_image" \ | 369 "${SCRIPTS_DIR}/test_image" \ |
338 --root="$ROOT_FS_DIR" \ | 370 --root="$ROOT_FS_DIR" \ |
339 --target="$ARCH" | 371 --target="$ARCH" |
340 | 372 |
341 # Set dev_mode flag and update library cache. | 373 # Set dev_mode flag and update library cache. |
342 if [ $FLAGS_statefuldev -eq $FLAGS_TRUE ] ; then | 374 if [ $FLAGS_statefuldev -eq $FLAGS_TRUE ] ; then |
343 sudo touch "$ROOT_FS_DIR/root/.dev_mode" | 375 sudo touch "$ROOT_FS_DIR/root/.dev_mode" |
344 sudo /sbin/ldconfig -r "$ROOT_FS_DIR" | 376 sudo /sbin/ldconfig -r "$ROOT_FS_DIR" |
345 fi | 377 fi |
346 | 378 |
347 # Only bound if installing dev to stateful. | 379 # Only bound if installing dev to stateful. |
348 if [ $FLAGS_statefuldev -eq $FLAGS_TRUE ] ; then | 380 if [ $FLAGS_statefuldev -eq $FLAGS_TRUE ] ; then |
349 sudo umount "$ROOT_FS_DIR/usr/local" | 381 sudo umount "$ROOT_FS_DIR/usr/local" |
350 fi | 382 fi |
351 | 383 |
352 # Cleanup loop devices. | 384 # Cleanup loop devices. |
| 385 cleanup_esp_loop |
353 cleanup_stateful_fs_loop | 386 cleanup_stateful_fs_loop |
354 cleanup_rootfs_loop | 387 cleanup_rootfs_loop |
355 | 388 |
356 # Create the GPT-formatted image | 389 # Create the GPT-formatted image |
357 ${SCRIPTS_DIR}/build_gpt.sh \ | 390 ${SCRIPTS_DIR}/build_gpt.sh \ |
358 --arch=${ARCH} --board=${FLAGS_board} --board_root=${BOARD_ROOT} \ | 391 --arch=${ARCH} --board=${FLAGS_board} --board_root=${BOARD_ROOT} \ |
359 "${OUTPUT_DIR}" "${OUTPUT_IMG}" | 392 "${OUTPUT_DIR}" "${OUTPUT_IMG}" |
360 | 393 |
361 # Clean up temporary files. | 394 # Clean up temporary files. |
362 rm -f "${ROOT_FS_IMG}" "${STATEFUL_IMG}" "${OUTPUT_DIR}/vmlinuz.image" | 395 rm -f "${ROOT_FS_IMG}" "${STATEFUL_IMG}" "${OUTPUT_DIR}/vmlinuz.image" \ |
363 rmdir "${ROOT_FS_DIR}" "${STATEFUL_DIR}" | 396 "${ESP_IMG}" |
| 397 rmdir "${ROOT_FS_DIR}" "${STATEFUL_DIR}" "${ESP_DIR}" |
364 | 398 |
365 OUTSIDE_OUTPUT_DIR="../build/images/${FLAGS_board}/${IMAGE_SUBDIR}" | 399 OUTSIDE_OUTPUT_DIR="../build/images/${FLAGS_board}/${IMAGE_SUBDIR}" |
366 echo "Done. Image created in ${OUTPUT_DIR}" | 400 echo "Done. Image created in ${OUTPUT_DIR}" |
367 echo "To copy to USB keyfob, OUTSIDE the chroot, do something like:" | 401 echo "To copy to USB keyfob, OUTSIDE the chroot, do something like:" |
368 echo " ./image_to_usb.sh --from=${OUTSIDE_OUTPUT_DIR} --to=/dev/sdb" | 402 echo " ./image_to_usb.sh --from=${OUTSIDE_OUTPUT_DIR} --to=/dev/sdb" |
369 echo "To convert to VMWare image, OUTSIDE the chroot, do something like:" | 403 echo "To convert to VMWare image, OUTSIDE the chroot, do something like:" |
370 echo " ./image_to_vmware.sh --from=${OUTSIDE_OUTPUT_DIR}" | 404 echo " ./image_to_vmware.sh --from=${OUTSIDE_OUTPUT_DIR}" |
371 echo "from the scripts directory where you entered the chroot." | 405 echo "from the scripts directory where you entered the chroot." |
372 | 406 |
373 trap - EXIT | 407 trap - EXIT |
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