tests/avocado/replay_kernel.py

   1 # Record/replay test that boots a Linux kernel
   2 #
   3 # Copyright (c) 2020 ISP RAS
   4 #
   5 # Author:
   6 #  Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
   7 #
   8 # This work is licensed under the terms of the GNU GPL, version 2 or
   9 # later.  See the COPYING file in the top-level directory.
  10
  11 import os
  12 import lzma
  13 import shutil
  14 import logging
  15 import time
  16
  17 from avocado import skip
  18 from avocado import skipIf
  19 from avocado import skipUnless
  20 from avocado_qemu import wait_for_console_pattern
  21 from avocado.utils import archive
  22 from avocado.utils import process
  23 from boot_linux_console import LinuxKernelTest
  24
  25 class ReplayKernelBase(LinuxKernelTest):
  26     """
  27     Boots a Linux kernel in record mode and checks that the console
  28     is operational and the kernel command line is properly passed
  29     from QEMU to the kernel.
  30     Then replays the same scenario and verifies, that QEMU correctly
  31     terminates.
  32     """
  33
  34     timeout = 120
  35     KERNEL_COMMON_COMMAND_LINE = 'printk.time=1 panic=-1 '
  36
  37     def run_vm(self, kernel_path, kernel_command_line, console_pattern,
  38                record, shift, args, replay_path):
  39         # icount requires TCG to be available
  40         self.require_accelerator('tcg')
  41
  42         logger = logging.getLogger('replay')
  43         start_time = time.time()
  44         vm = self.get_vm()
  45         vm.set_console()
  46         if record:
  47             logger.info('recording the execution...')
  48             mode = 'record'
  49         else:
  50             logger.info('replaying the execution...')
  51             mode = 'replay'
  52         vm.add_args('-icount', 'shift=%s,rr=%s,rrfile=%s' %
  53                     (shift, mode, replay_path),
  54                     '-kernel', kernel_path,
  55                     '-append', kernel_command_line,
  56                     '-net', 'none',
  57                     '-no-reboot')
  58         if args:
  59             vm.add_args(*args)
  60         vm.launch()
  61         self.wait_for_console_pattern(console_pattern, vm)
  62         if record:
  63             vm.shutdown()
  64             logger.info('finished the recording with log size %s bytes'
  65                         % os.path.getsize(replay_path))
  66         else:
  67             vm.wait()
  68             logger.info('successfully finished the replay')
  69         elapsed = time.time() - start_time
  70         logger.info('elapsed time %.2f sec' % elapsed)
  71         return elapsed
  72
  73     def run_rr(self, kernel_path, kernel_command_line, console_pattern,
  74                shift=7, args=None):
  75         replay_path = os.path.join(self.workdir, 'replay.bin')
  76         t1 = self.run_vm(kernel_path, kernel_command_line, console_pattern,
  77                          True, shift, args, replay_path)
  78         t2 = self.run_vm(kernel_path, kernel_command_line, console_pattern,
  79                          False, shift, args, replay_path)
  80         logger = logging.getLogger('replay')
  81         logger.info('replay overhead {:.2%}'.format(t2 / t1 - 1))
  82
  83 class ReplayKernelNormal(ReplayKernelBase):
  84     @skipIf(os.getenv('GITLAB_CI'), 'Running on GitLab')
  85     def test_x86_64_pc(self):
  86         """
  87         :avocado: tags=arch:x86_64
  88         :avocado: tags=machine:pc
  89         """
  90         kernel_url = ('https://archives.fedoraproject.org/pub/archive/fedora'
  91                       '/linux/releases/29/Everything/x86_64/os/images/pxeboot'
  92                       '/vmlinuz')
  93         kernel_hash = '23bebd2680757891cf7adedb033532163a792495'
  94         kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
  95
  96         kernel_command_line = self.KERNEL_COMMON_COMMAND_LINE + 'console=ttyS0'
  97         console_pattern = 'VFS: Cannot open root device'
  98
  99         self.run_rr(kernel_path, kernel_command_line, console_pattern, shift=5)
 100
 101     def test_mips_malta(self):
 102         """
 103         :avocado: tags=arch:mips
 104         :avocado: tags=machine:malta
 105         :avocado: tags=endian:big
 106         """
 107         deb_url = ('http://snapshot.debian.org/archive/debian/'
 108                    '20130217T032700Z/pool/main/l/linux-2.6/'
 109                    'linux-image-2.6.32-5-4kc-malta_2.6.32-48_mips.deb')
 110         deb_hash = 'a8cfc28ad8f45f54811fc6cf74fc43ffcfe0ba04'
 111         deb_path = self.fetch_asset(deb_url, asset_hash=deb_hash)
 112         kernel_path = self.extract_from_deb(deb_path,
 113                                             '/boot/vmlinux-2.6.32-5-4kc-malta')
 114         kernel_command_line = self.KERNEL_COMMON_COMMAND_LINE + 'console=ttyS0'
 115         console_pattern = 'Kernel command line: %s' % kernel_command_line
 116
 117         self.run_rr(kernel_path, kernel_command_line, console_pattern, shift=5)
 118
 119     def test_mips64el_malta(self):
 120         """
 121         This test requires the ar tool to extract "data.tar.gz" from
 122         the Debian package.
 123
 124         The kernel can be rebuilt using this Debian kernel source [1] and
 125         following the instructions on [2].
 126
 127         [1] http://snapshot.debian.org/package/linux-2.6/2.6.32-48/
 128             #linux-source-2.6.32_2.6.32-48
 129         [2] https://kernel-team.pages.debian.net/kernel-handbook/
 130             ch-common-tasks.html#s-common-official
 131
 132         :avocado: tags=arch:mips64el
 133         :avocado: tags=machine:malta
 134         """
 135         deb_url = ('http://snapshot.debian.org/archive/debian/'
 136                    '20130217T032700Z/pool/main/l/linux-2.6/'
 137                    'linux-image-2.6.32-5-5kc-malta_2.6.32-48_mipsel.deb')
 138         deb_hash = '1aaec92083bf22fda31e0d27fa8d9a388e5fc3d5'
 139         deb_path = self.fetch_asset(deb_url, asset_hash=deb_hash)
 140         kernel_path = self.extract_from_deb(deb_path,
 141                                             '/boot/vmlinux-2.6.32-5-5kc-malta')
 142         kernel_command_line = self.KERNEL_COMMON_COMMAND_LINE + 'console=ttyS0'
 143         console_pattern = 'Kernel command line: %s' % kernel_command_line
 144         self.run_rr(kernel_path, kernel_command_line, console_pattern, shift=5)
 145
 146     def test_aarch64_virt(self):
 147         """
 148         :avocado: tags=arch:aarch64
 149         :avocado: tags=machine:virt
 150         :avocado: tags=cpu:cortex-a53
 151         """
 152         kernel_url = ('https://archives.fedoraproject.org/pub/archive/fedora'
 153                       '/linux/releases/29/Everything/aarch64/os/images/pxeboot'
 154                       '/vmlinuz')
 155         kernel_hash = '8c73e469fc6ea06a58dc83a628fc695b693b8493'
 156         kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
 157
 158         kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
 159                                'console=ttyAMA0')
 160         console_pattern = 'VFS: Cannot open root device'
 161
 162         self.run_rr(kernel_path, kernel_command_line, console_pattern)
 163
 164     def test_arm_virt(self):
 165         """
 166         :avocado: tags=arch:arm
 167         :avocado: tags=machine:virt
 168         """
 169         kernel_url = ('https://archives.fedoraproject.org/pub/archive/fedora'
 170                       '/linux/releases/29/Everything/armhfp/os/images/pxeboot'
 171                       '/vmlinuz')
 172         kernel_hash = 'e9826d741b4fb04cadba8d4824d1ed3b7fb8b4d4'
 173         kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
 174
 175         kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
 176                                'console=ttyAMA0')
 177         console_pattern = 'VFS: Cannot open root device'
 178
 179         self.run_rr(kernel_path, kernel_command_line, console_pattern, shift=1)
 180
 181     @skipIf(os.getenv('GITLAB_CI'), 'Running on GitLab')
 182     def test_arm_cubieboard_initrd(self):
 183         """
 184         :avocado: tags=arch:arm
 185         :avocado: tags=machine:cubieboard
 186         """
 187         deb_url = ('https://apt.armbian.com/pool/main/l/'
 188                    'linux-5.10.16-sunxi/linux-image-current-sunxi_21.02.2_armhf.deb')
 189         deb_hash = '9fa84beda245cabf0b4fa84cf6eaa7738ead1da0'
 190         deb_path = self.fetch_asset(deb_url, asset_hash=deb_hash)
 191         kernel_path = self.extract_from_deb(deb_path,
 192                                             '/boot/vmlinuz-5.10.16-sunxi')
 193         dtb_path = '/usr/lib/linux-image-current-sunxi/sun4i-a10-cubieboard.dtb'
 194         dtb_path = self.extract_from_deb(deb_path, dtb_path)
 195         initrd_url = ('https://github.com/groeck/linux-build-test/raw/'
 196                       '2eb0a73b5d5a28df3170c546ddaaa9757e1e0848/rootfs/'
 197                       'arm/rootfs-armv5.cpio.gz')
 198         initrd_hash = '2b50f1873e113523967806f4da2afe385462ff9b'
 199         initrd_path_gz = self.fetch_asset(initrd_url, asset_hash=initrd_hash)
 200         initrd_path = os.path.join(self.workdir, 'rootfs.cpio')
 201         archive.gzip_uncompress(initrd_path_gz, initrd_path)
 202
 203         kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
 204                                'console=ttyS0,115200 '
 205                                'usbcore.nousb '
 206                                'panic=-1 noreboot')
 207         console_pattern = 'Boot successful.'
 208         self.run_rr(kernel_path, kernel_command_line, console_pattern, shift=1,
 209                     args=('-dtb', dtb_path,
 210                           '-initrd', initrd_path,
 211                           '-no-reboot'))
 212
 213     def test_s390x_s390_ccw_virtio(self):
 214         """
 215         :avocado: tags=arch:s390x
 216         :avocado: tags=machine:s390-ccw-virtio
 217         """
 218         kernel_url = ('https://archives.fedoraproject.org/pub/archive'
 219                       '/fedora-secondary/releases/29/Everything/s390x/os/images'
 220                       '/kernel.img')
 221         kernel_hash = 'e8e8439103ef8053418ef062644ffd46a7919313'
 222         kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
 223
 224         kernel_command_line = self.KERNEL_COMMON_COMMAND_LINE + 'console=sclp0'
 225         console_pattern = 'Kernel command line: %s' % kernel_command_line
 226         self.run_rr(kernel_path, kernel_command_line, console_pattern, shift=9)
 227
 228     def test_alpha_clipper(self):
 229         """
 230         :avocado: tags=arch:alpha
 231         :avocado: tags=machine:clipper
 232         """
 233         kernel_url = ('http://archive.debian.org/debian/dists/lenny/main/'
 234                       'installer-alpha/20090123lenny10/images/cdrom/vmlinuz')
 235         kernel_hash = '3a943149335529e2ed3e74d0d787b85fb5671ba3'
 236         kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
 237
 238         uncompressed_kernel = archive.uncompress(kernel_path, self.workdir)
 239
 240         kernel_command_line = self.KERNEL_COMMON_COMMAND_LINE + 'console=ttyS0'
 241         console_pattern = 'Kernel command line: %s' % kernel_command_line
 242         self.run_rr(uncompressed_kernel, kernel_command_line, console_pattern, shift=9,
 243             args=('-nodefaults', ))
 244
 245     def test_ppc64_pseries(self):
 246         """
 247         :avocado: tags=arch:ppc64
 248         :avocado: tags=machine:pseries
 249         :avocado: tags=accel:tcg
 250         """
 251         kernel_url = ('https://archives.fedoraproject.org/pub/archive'
 252                       '/fedora-secondary/releases/29/Everything/ppc64le/os'
 253                       '/ppc/ppc64/vmlinuz')
 254         kernel_hash = '3fe04abfc852b66653b8c3c897a59a689270bc77'
 255         kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
 256
 257         kernel_command_line = self.KERNEL_COMMON_COMMAND_LINE + 'console=hvc0'
 258         console_pattern = 'VFS: Cannot open root device'
 259         self.run_rr(kernel_path, kernel_command_line, console_pattern)
 260
 261     def test_ppc64_powernv(self):
 262         """
 263         :avocado: tags=arch:ppc64
 264         :avocado: tags=machine:powernv
 265         :avocado: tags=accel:tcg
 266         """
 267         kernel_url = ('https://archives.fedoraproject.org/pub/archive'
 268                       '/fedora-secondary/releases/29/Everything/ppc64le/os'
 269                       '/ppc/ppc64/vmlinuz')
 270         kernel_hash = '3fe04abfc852b66653b8c3c897a59a689270bc77'
 271         kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
 272
 273         kernel_command_line = self.KERNEL_COMMON_COMMAND_LINE + \
 274                               'console=tty0 console=hvc0'
 275         console_pattern = 'VFS: Cannot open root device'
 276         self.run_rr(kernel_path, kernel_command_line, console_pattern)
 277
 278     def test_m68k_q800(self):
 279         """
 280         :avocado: tags=arch:m68k
 281         :avocado: tags=machine:q800
 282         """
 283         deb_url = ('https://snapshot.debian.org/archive/debian-ports'
 284                    '/20191021T083923Z/pool-m68k/main'
 285                    '/l/linux/kernel-image-5.3.0-1-m68k-di_5.3.7-1_m68k.udeb')
 286         deb_hash = '044954bb9be4160a3ce81f8bc1b5e856b75cccd1'
 287         deb_path = self.fetch_asset(deb_url, asset_hash=deb_hash)
 288         kernel_path = self.extract_from_deb(deb_path,
 289                                             '/boot/vmlinux-5.3.0-1-m68k')
 290
 291         kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
 292                                'console=ttyS0 vga=off')
 293         console_pattern = 'No filesystem could mount root'
 294         self.run_rr(kernel_path, kernel_command_line, console_pattern)
 295
 296     def do_test_advcal_2018(self, file_path, kernel_name, args=None):
 297         archive.extract(file_path, self.workdir)
 298
 299         for entry in os.scandir(self.workdir):
 300             if entry.name.startswith('day') and entry.is_dir():
 301                 kernel_path = os.path.join(entry.path, kernel_name)
 302                 break
 303
 304         kernel_command_line = ''
 305         console_pattern = 'QEMU advent calendar'
 306         self.run_rr(kernel_path, kernel_command_line, console_pattern,
 307                     args=args)
 308
 309     def test_arm_vexpressa9(self):
 310         """
 311         :avocado: tags=arch:arm
 312         :avocado: tags=machine:vexpress-a9
 313         """
 314         tar_hash = '32b7677ce8b6f1471fb0059865f451169934245b'
 315         tar_url = ('https://qemu-advcal.gitlab.io'
 316                    '/qac-best-of-multiarch/download/day16.tar.xz')
 317         file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
 318         dtb_path = self.workdir + '/day16/vexpress-v2p-ca9.dtb'
 319         self.do_test_advcal_2018(file_path, 'winter.zImage',
 320                                  args=('-dtb', dtb_path))
 321
 322     def test_m68k_mcf5208evb(self):
 323         """
 324         :avocado: tags=arch:m68k
 325         :avocado: tags=machine:mcf5208evb
 326         """
 327         tar_hash = 'ac688fd00561a2b6ce1359f9ff6aa2b98c9a570c'
 328         tar_url = ('https://qemu-advcal.gitlab.io'
 329                    '/qac-best-of-multiarch/download/day07.tar.xz')
 330         file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
 331         self.do_test_advcal_2018(file_path, 'sanity-clause.elf')
 332
 333     @skip("Test currently broken") # Console stuck as of 5.2-rc1
 334     def test_microblaze_s3adsp1800(self):
 335         """
 336         :avocado: tags=arch:microblaze
 337         :avocado: tags=machine:petalogix-s3adsp1800
 338         """
 339         tar_hash = '08bf3e3bfb6b6c7ce1e54ab65d54e189f2caf13f'
 340         tar_url = ('https://qemu-advcal.gitlab.io'
 341                    '/qac-best-of-multiarch/download/day17.tar.xz')
 342         file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
 343         self.do_test_advcal_2018(file_path, 'ballerina.bin')
 344
 345     def test_ppc64_e500(self):
 346         """
 347         :avocado: tags=arch:ppc64
 348         :avocado: tags=machine:ppce500
 349         :avocado: tags=cpu:e5500
 350         """
 351         tar_hash = '6951d86d644b302898da2fd701739c9406527fe1'
 352         tar_url = ('https://qemu-advcal.gitlab.io'
 353                    '/qac-best-of-multiarch/download/day19.tar.xz')
 354         file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
 355         self.do_test_advcal_2018(file_path, 'uImage')
 356
 357     def test_or1k_sim(self):
 358         """
 359         :avocado: tags=arch:or1k
 360         :avocado: tags=machine:or1k-sim
 361         """
 362         tar_hash = '20334cdaf386108c530ff0badaecc955693027dd'
 363         tar_url = ('https://qemu-advcal.gitlab.io'
 364                    '/qac-best-of-multiarch/download/day20.tar.xz')
 365         file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
 366         self.do_test_advcal_2018(file_path, 'vmlinux')
 367
 368     @skip("nios2 emulation is buggy under record/replay")
 369     def test_nios2_10m50(self):
 370         """
 371         :avocado: tags=arch:nios2
 372         :avocado: tags=machine:10m50-ghrd
 373         """
 374         tar_hash = 'e4251141726c412ac0407c5a6bceefbbff018918'
 375         tar_url = ('https://qemu-advcal.gitlab.io'
 376                    '/qac-best-of-multiarch/download/day14.tar.xz')
 377         file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
 378         self.do_test_advcal_2018(file_path, 'vmlinux.elf')
 379
 380     def test_ppc_g3beige(self):
 381         """
 382         :avocado: tags=arch:ppc
 383         :avocado: tags=machine:g3beige
 384         """
 385         tar_hash = 'e0b872a5eb8fdc5bed19bd43ffe863900ebcedfc'
 386         tar_url = ('https://qemu-advcal.gitlab.io'
 387                    '/qac-best-of-multiarch/download/day15.tar.xz')
 388         file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
 389         self.do_test_advcal_2018(file_path, 'invaders.elf',
 390                                  args=('-M', 'graphics=off'))
 391
 392     def test_ppc_mac99(self):
 393         """
 394         :avocado: tags=arch:ppc
 395         :avocado: tags=machine:mac99
 396         """
 397         tar_hash = 'e0b872a5eb8fdc5bed19bd43ffe863900ebcedfc'
 398         tar_url = ('https://qemu-advcal.gitlab.io'
 399                    '/qac-best-of-multiarch/download/day15.tar.xz')
 400         file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
 401         self.do_test_advcal_2018(file_path, 'invaders.elf',
 402                                  args=('-M', 'graphics=off'))
 403
 404     def test_sparc_ss20(self):
 405         """
 406         :avocado: tags=arch:sparc
 407         :avocado: tags=machine:SS-20
 408         """
 409         tar_hash = 'b18550d5d61c7615d989a06edace051017726a9f'
 410         tar_url = ('https://qemu-advcal.gitlab.io'
 411                    '/qac-best-of-multiarch/download/day11.tar.xz')
 412         file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
 413         self.do_test_advcal_2018(file_path, 'zImage.elf')
 414
 415     def test_xtensa_lx60(self):
 416         """
 417         :avocado: tags=arch:xtensa
 418         :avocado: tags=machine:lx60
 419         :avocado: tags=cpu:dc233c
 420         """
 421         tar_hash = '49e88d9933742f0164b60839886c9739cb7a0d34'
 422         tar_url = ('https://qemu-advcal.gitlab.io'
 423                    '/qac-best-of-multiarch/download/day02.tar.xz')
 424         file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
 425         self.do_test_advcal_2018(file_path, 'santas-sleigh-ride.elf')
 426
 427 @skipUnless(os.getenv('AVOCADO_TIMEOUT_EXPECTED'), 'Test might timeout')
 428 class ReplayKernelSlow(ReplayKernelBase):
 429     # Override the timeout, because this kernel includes an inner
 430     # loop which is executed with TB recompilings during replay,
 431     # making it very slow.
 432     timeout = 180
 433
 434     def test_mips_malta_cpio(self):
 435         """
 436         :avocado: tags=arch:mips
 437         :avocado: tags=machine:malta
 438         :avocado: tags=endian:big
 439         :avocado: tags=slowness:high
 440         """
 441         deb_url = ('http://snapshot.debian.org/archive/debian/'
 442                    '20160601T041800Z/pool/main/l/linux/'
 443                    'linux-image-4.5.0-2-4kc-malta_4.5.5-1_mips.deb')
 444         deb_hash = 'a3c84f3e88b54e06107d65a410d1d1e8e0f340f8'
 445         deb_path = self.fetch_asset(deb_url, asset_hash=deb_hash)
 446         kernel_path = self.extract_from_deb(deb_path,
 447                                             '/boot/vmlinux-4.5.0-2-4kc-malta')
 448         initrd_url = ('https://github.com/groeck/linux-build-test/raw/'
 449                       '8584a59ed9e5eb5ee7ca91f6d74bbb06619205b8/rootfs/'
 450                       'mips/rootfs.cpio.gz')
 451         initrd_hash = 'bf806e17009360a866bf537f6de66590de349a99'
 452         initrd_path_gz = self.fetch_asset(initrd_url, asset_hash=initrd_hash)
 453         initrd_path = self.workdir + "rootfs.cpio"
 454         archive.gzip_uncompress(initrd_path_gz, initrd_path)
 455
 456         kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
 457                                'console=ttyS0 console=tty '
 458                                'rdinit=/sbin/init noreboot')
 459         console_pattern = 'Boot successful.'
 460         self.run_rr(kernel_path, kernel_command_line, console_pattern, shift=5,
 461                     args=('-initrd', initrd_path))
 462
 463     @skipUnless(os.getenv('AVOCADO_ALLOW_UNTRUSTED_CODE'), 'untrusted code')
 464     def test_mips64el_malta_5KEc_cpio(self):
 465         """
 466         :avocado: tags=arch:mips64el
 467         :avocado: tags=machine:malta
 468         :avocado: tags=endian:little
 469         :avocado: tags=slowness:high
 470         :avocado: tags=cpu:5KEc
 471         """
 472         kernel_url = ('https://github.com/philmd/qemu-testing-blob/'
 473                       'raw/9ad2df38/mips/malta/mips64el/'
 474                       'vmlinux-3.19.3.mtoman.20150408')
 475         kernel_hash = '00d1d268fb9f7d8beda1de6bebcc46e884d71754'
 476         kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
 477         initrd_url = ('https://github.com/groeck/linux-build-test/'
 478                       'raw/8584a59e/rootfs/'
 479                       'mipsel64/rootfs.mipsel64r1.cpio.gz')
 480         initrd_hash = '1dbb8a396e916847325284dbe2151167'
 481         initrd_path_gz = self.fetch_asset(initrd_url, algorithm='md5',
 482                                           asset_hash=initrd_hash)
 483         initrd_path = self.workdir + "rootfs.cpio"
 484         archive.gzip_uncompress(initrd_path_gz, initrd_path)
 485
 486         kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
 487                                'console=ttyS0 console=tty '
 488                                'rdinit=/sbin/init noreboot')
 489         console_pattern = 'Boot successful.'
 490         self.run_rr(kernel_path, kernel_command_line, console_pattern, shift=5,
 491                     args=('-initrd', initrd_path))
 492
 493     def do_test_mips_malta32el_nanomips(self, kernel_path_xz):
 494         kernel_path = self.workdir + "kernel"
 495         with lzma.open(kernel_path_xz, 'rb') as f_in:
 496             with open(kernel_path, 'wb') as f_out:
 497                 shutil.copyfileobj(f_in, f_out)
 498
 499         kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
 500                                'mem=256m@@0x0 '
 501                                'console=ttyS0')
 502         console_pattern = 'Kernel command line: %s' % kernel_command_line
 503         self.run_rr(kernel_path, kernel_command_line, console_pattern, shift=5)
 504
 505     def test_mips_malta32el_nanomips_4k(self):
 506         """
 507         :avocado: tags=arch:mipsel
 508         :avocado: tags=machine:malta
 509         :avocado: tags=endian:little
 510         :avocado: tags=cpu:I7200
 511         """
 512         kernel_url = ('http://mipsdistros.mips.com/LinuxDistro/nanomips/'
 513                       'kernels/v4.15.18-432-gb2eb9a8b07a1-20180627102142/'
 514                       'generic_nano32r6el_page4k.xz')
 515         kernel_hash = '477456aafd2a0f1ddc9482727f20fe9575565dd6'
 516         kernel_path_xz = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
 517         self.do_test_mips_malta32el_nanomips(kernel_path_xz)
 518
 519     def test_mips_malta32el_nanomips_16k_up(self):
 520         """
 521         :avocado: tags=arch:mipsel
 522         :avocado: tags=machine:malta
 523         :avocado: tags=endian:little
 524         :avocado: tags=cpu:I7200
 525         """
 526         kernel_url = ('http://mipsdistros.mips.com/LinuxDistro/nanomips/'
 527                       'kernels/v4.15.18-432-gb2eb9a8b07a1-20180627102142/'
 528                       'generic_nano32r6el_page16k_up.xz')
 529         kernel_hash = 'e882868f944c71c816e832e2303b7874d044a7bc'
 530         kernel_path_xz = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
 531         self.do_test_mips_malta32el_nanomips(kernel_path_xz)
 532
 533     def test_mips_malta32el_nanomips_64k_dbg(self):
 534         """
 535         :avocado: tags=arch:mipsel
 536         :avocado: tags=machine:malta
 537         :avocado: tags=endian:little
 538         :avocado: tags=cpu:I7200
 539         """
 540         kernel_url = ('http://mipsdistros.mips.com/LinuxDistro/nanomips/'
 541                       'kernels/v4.15.18-432-gb2eb9a8b07a1-20180627102142/'
 542                       'generic_nano32r6el_page64k_dbg.xz')
 543         kernel_hash = '18d1c68f2e23429e266ca39ba5349ccd0aeb7180'
 544         kernel_path_xz = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
 545         self.do_test_mips_malta32el_nanomips(kernel_path_xz)