BootLinuxConsoleTest: Test nanoMIPS kernels on the I7200 CPU

Similar to the x86_64/pc test, it boots a Linux kernel on a Malta
machine and verify the serial is working.

Use the documentation added in commit f7d257cb4a to test
nanoMIPS kernels and the I7200 CPU.

This test can be run using:

  $ avocado --show=console run -t arch:mipsel tests/acceptance/boot_linux_console.py
  console: [    0.000000] Linux version 4.15.18-00432-gb2eb9a8b (emubuild@mipscs563) (gcc version 6.3.0 (Codescape GNU Tools 2018.04-02 for nanoMIPS Linux)) #1 SMP Wed Jun 27 11:10:08 PDT 2018
  console: [    0.000000] GCRs appear to have been moved (expected them at 0x1fbf8000)!
  console: [    0.000000] GCRs appear to have been moved (expected them at 0x1fbf8000)!
  console: [    0.000000] CPU0 revision is: 00010000 (MIPS GENERIC QEMU)
  console: [    0.000000] MIPS: machine is mti,malta
  console: [    0.000000] Determined physical RAM map:
  console: [    0.000000]  memory: 08000000 @ 00000000 (usable)
  console: [    0.000000] earlycon: ns16550a0 at I/O port 0x3f8 (options '38400n8')
  console: [    0.000000] bootconsole [ns16550a0] enabled
  console: [    0.000000] User-defined physical RAM map:
  console: [    0.000000]  memory: 10000000 @ 00000000 (usable)
  console: [    0.000000] Initrd not found or empty - disabling initrd
  console: [    0.000000] MIPS CPS SMP unable to proceed without a CM
  console: [    0.000000] Primary instruction cache 32kB, VIPT, 4-way, linesize 32 bytes.
  console: [    0.000000] Primary data cache 32kB, 4-way, VIPT, cache aliases, linesize 32 bytes
  console: [    0.000000] This processor doesn't support highmem. -262144k highmem ignored
  console: [    0.000000] Zone ranges:
  console: [    0.000000]   Normal   [mem 0x0000000000000000-0x000000000fffffff]
  console: [    0.000000]   HighMem  empty
  console: [    0.000000] Movable zone start for each node
  console: [    0.000000] Early memory node ranges
  console: [    0.000000]   node   0: [mem 0x0000000000000000-0x000000000fffffff]
  console: [    0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x000000000fffffff]
  console: [    0.000000] random: get_random_bytes called from start_kernel+0x60/0x2f0 with crng_init=0
  console: [    0.000000] percpu: Embedded 16 pages/cpu @(ptrval) s36620 r8192 d20724 u65536
  console: [    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 64960
  console: [    0.000000] Kernel command line: printk.time=0 mem=256m@@0x0 console=ttyS0 earlycon

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20190520231910.12184-3-f4bug@amsat.org>
Acked-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>

tests/acceptance/boot_linux_console.py

@@ -10,6 +10,8 @@
 
 import os
 import logging
+import lzma
+import shutil
 
 from avocado_qemu import Test
 from avocado.utils import process
@@ -138,6 +140,62 @@ def test_mips64el_malta(self):
         console_pattern = 'Kernel command line: %s' % kernel_command_line
         self.wait_for_console_pattern(console_pattern)
 
+    def do_test_mips_malta32el_nanomips(self, kernel_url, kernel_hash):
+        kernel_path_xz = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
+        kernel_path = self.workdir + "kernel"
+        with lzma.open(kernel_path_xz, 'rb') as f_in:
+            with open(kernel_path, 'wb') as f_out:
+                shutil.copyfileobj(f_in, f_out)
+
+        self.vm.set_machine('malta')
+        self.vm.set_console()
+        kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE
+                               + 'mem=256m@@0x0 '
+                               + 'console=ttyS0')
+        self.vm.add_args('-no-reboot',
+                         '-cpu', 'I7200',
+                         '-kernel', kernel_path,
+                         '-append', kernel_command_line)
+        self.vm.launch()
+        console_pattern = 'Kernel command line: %s' % kernel_command_line
+        self.wait_for_console_pattern(console_pattern)
+
+    def test_mips_malta32el_nanomips_4k(self):
+        """
+        :avocado: tags=arch:mipsel
+        :avocado: tags=machine:malta
+        :avocado: tags=endian:little
+        """
+        kernel_url = ('https://mipsdistros.mips.com/LinuxDistro/nanomips/'
+                      'kernels/v4.15.18-432-gb2eb9a8b07a1-20180627102142/'
+                      'generic_nano32r6el_page4k.xz')
+        kernel_hash = '477456aafd2a0f1ddc9482727f20fe9575565dd6'
+        self.do_test_mips_malta32el_nanomips(kernel_url, kernel_hash)
+
+    def test_mips_malta32el_nanomips_16k_up(self):
+        """
+        :avocado: tags=arch:mipsel
+        :avocado: tags=machine:malta
+        :avocado: tags=endian:little
+        """
+        kernel_url = ('https://mipsdistros.mips.com/LinuxDistro/nanomips/'
+                      'kernels/v4.15.18-432-gb2eb9a8b07a1-20180627102142/'
+                      'generic_nano32r6el_page16k_up.xz')
+        kernel_hash = 'e882868f944c71c816e832e2303b7874d044a7bc'
+        self.do_test_mips_malta32el_nanomips(kernel_url, kernel_hash)
+
+    def test_mips_malta32el_nanomips_64k_dbg(self):
+        """
+        :avocado: tags=arch:mipsel
+        :avocado: tags=machine:malta
+        :avocado: tags=endian:little
+        """
+        kernel_url = ('https://mipsdistros.mips.com/LinuxDistro/nanomips/'
+                      'kernels/v4.15.18-432-gb2eb9a8b07a1-20180627102142/'
+                      'generic_nano32r6el_page64k_dbg.xz')
+        kernel_hash = '18d1c68f2e23429e266ca39ba5349ccd0aeb7180'
+        self.do_test_mips_malta32el_nanomips(kernel_url, kernel_hash)
+
     def test_aarch64_virt(self):
         """
         :avocado: tags=arch:aarch64