diff options
Diffstat (limited to 'test/py/tests/test_ut.py')
| -rw-r--r-- | test/py/tests/test_ut.py | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/test/py/tests/test_ut.py b/test/py/tests/test_ut.py index 640129018c..82932a662b 100644 --- a/test/py/tests/test_ut.py +++ b/test/py/tests/test_ut.py @@ -1,6 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 # Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved. +import collections import getpass import gzip import os @@ -282,6 +283,146 @@ label Fedora-Workstation-armhfp-31-1.9 (5.3.7-301.fc31.armv7hl) copy_prepared_image(cons, mmc_dev, fname) +def setup_cros_image(cons): + """Create a 20MB disk image with ChromiumOS partitions""" + Partition = collections.namedtuple('part', 'start,size,name') + parts = {} + disk_data = None + + def pack_kernel(cons, arch, kern, dummy): + """Pack a kernel containing some fake data + + Args: + cons (ConsoleBase): Console to use + arch (str): Architecture to use ('x86' or 'arm') + kern (str): Filename containing kernel + dummy (str): Dummy filename to use for config and bootloader + + Return: + bytes: Packed-kernel data + """ + kern_part = os.path.join(cons.config.result_dir, 'kern-part-{arch}.bin') + u_boot_utils.run_and_log( + cons, + f'futility vbutil_kernel --pack {kern_part} ' + '--keyblock doc/chromium/files/devkeys/kernel.keyblock ' + '--signprivate doc/chromium/files/devkeys/kernel_data_key.vbprivk ' + f'--version 1 --config {dummy} --bootloader {dummy} ' + f'--vmlinuz {kern}') + + with open(kern_part, 'rb') as inf: + kern_part_data = inf.read() + return kern_part_data + + def set_part_data(partnum, data): + """Set the contents of a disk partition + + This updates disk_data by putting data in the right place + + Args: + partnum (int): Partition number to set + data (bytes): Data for that partition + """ + nonlocal disk_data + + start = parts[partnum].start * sect_size + disk_data = disk_data[:start] + data + disk_data[start + len(data):] + + mmc_dev = 5 + fname = os.path.join(cons.config.source_dir, f'mmc{mmc_dev}.img') + u_boot_utils.run_and_log(cons, 'qemu-img create %s 20M' % fname) + #mnt = os.path.join(cons.config.persistent_data_dir, 'mnt') + #mkdir_cond(mnt) + u_boot_utils.run_and_log(cons, f'cgpt create {fname}') + + uuid_state = 'ebd0a0a2-b9e5-4433-87c0-68b6b72699c7' + uuid_kern = 'fe3a2a5d-4f32-41a7-b725-accc3285a309' + uuid_root = '3cb8e202-3b7e-47dd-8a3c-7ff2a13cfcec' + uuid_rwfw = 'cab6e88e-abf3-4102-a07a-d4bb9be3c1d3' + uuid_reserved = '2e0a753d-9e48-43b0-8337-b15192cb1b5e' + uuid_efi = 'c12a7328-f81f-11d2-ba4b-00a0c93ec93b' + + ptr = 40 + + # Number of sectors in 1MB + sect_size = 512 + sect_1mb = (1 << 20) // sect_size + + required_parts = [ + {'num': 0xb, 'label':'RWFW', 'type': uuid_rwfw, 'size': '1'}, + {'num': 6, 'label':'KERN_C', 'type': uuid_kern, 'size': '1'}, + {'num': 7, 'label':'ROOT_C', 'type': uuid_root, 'size': '1'}, + {'num': 9, 'label':'reserved', 'type': uuid_reserved, 'size': '1'}, + {'num': 0xa, 'label':'reserved', 'type': uuid_reserved, 'size': '1'}, + + {'num': 2, 'label':'KERN_A', 'type': uuid_kern, 'size': '1M'}, + {'num': 4, 'label':'KERN_B', 'type': uuid_kern, 'size': '1M'}, + + {'num': 8, 'label':'OEM', 'type': uuid_state, 'size': '1M'}, + {'num': 0xc, 'label':'EFI-SYSTEM', 'type': uuid_efi, 'size': '1M'}, + + {'num': 5, 'label':'ROOT_B', 'type': uuid_root, 'size': '1'}, + {'num': 3, 'label':'ROOT_A', 'type': uuid_root, 'size': '1'}, + {'num': 1, 'label':'STATE', 'type': uuid_state, 'size': '1M'}, + ] + + for part in required_parts: + size_str = part['size'] + if 'M' in size_str: + size = int(size_str[:-1]) * sect_1mb + else: + size = int(size_str) + u_boot_utils.run_and_log( + cons, + f"cgpt add -i {part['num']} -b {ptr} -s {size} -t {part['type']} {fname}") + ptr += size + + u_boot_utils.run_and_log(cons, f'cgpt boot -p {fname}') + out = u_boot_utils.run_and_log(cons, f'cgpt show -q {fname}') + '''We expect something like this: + 8239 2048 1 Basic data + 45 2048 2 ChromeOS kernel + 8238 1 3 ChromeOS rootfs + 2093 2048 4 ChromeOS kernel + 8237 1 5 ChromeOS rootfs + 41 1 6 ChromeOS kernel + 42 1 7 ChromeOS rootfs + 4141 2048 8 Basic data + 43 1 9 ChromeOS reserved + 44 1 10 ChromeOS reserved + 40 1 11 ChromeOS firmware + 6189 2048 12 EFI System Partition + ''' + + # Create a dict (indexed by partition number) containing the above info + for line in out.splitlines(): + start, size, num, name = line.split(maxsplit=3) + parts[int(num)] = Partition(int(start), int(size), name) + + dummy = os.path.join(cons.config.result_dir, 'dummy.txt') + with open(dummy, 'wb') as outf: + outf.write(b'dummy\n') + + # For now we just use dummy kernels. This limits testing to just detecting + # a signed kernel. We could add support for the x86 data structures so that + # testing could cover getting the cmdline, setup.bin and other pieces. + kern = os.path.join(cons.config.result_dir, 'kern.bin') + with open(kern, 'wb') as outf: + outf.write(b'kernel\n') + + with open(fname, 'rb') as inf: + disk_data = inf.read() + + # put x86 kernel in partition 2 and arm one in partition 4 + set_part_data(2, pack_kernel(cons, 'x86', kern, dummy)) + set_part_data(4, pack_kernel(cons, 'arm', kern, dummy)) + + with open(fname, 'wb') as outf: + outf.write(disk_data) + + return fname + + def setup_cedit_file(cons): infname = os.path.join(cons.config.source_dir, 'test/boot/files/expo_layout.dts') @@ -329,6 +470,7 @@ def test_ut_dm_init_bootstd(u_boot_console): setup_bootflow_image(u_boot_console) setup_bootmenu_image(u_boot_console) setup_cedit_file(u_boot_console) + setup_cros_image(u_boot_console) # Restart so that the new mmc1.img is picked up u_boot_console.restart_uboot() |