tests/acceptance: Add test that runs NetBSD 4.0 installer on PRep/40p

As of this commit, NetBSD 4.0 is very old. However it is enough to
test the PRep/40p machine.

User case from:
http://mail-index.netbsd.org/port-prep/2017/04/11/msg000112.htmlReviewed-by: NHervé Poussineau <hpoussin@reactos.org>
Acked-by: NDavid Gibson <david@gibson.dropbear.id.au>
Acked-by: NArtyom Tarasenko <atar4qemu@gmail.com>
Signed-off-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20191028073441.6448-14-philmd@redhat.com>
Reviewed-by: NCleber Rosa <crosa@redhat.com>
Tested-by: NCleber Rosa <crosa@redhat.com>
[Cleber: fixed file name and imports]
Signed-off-by: NCleber Rosa <crosa@redhat.com>

MAINTAINERS

@@ -1068,6 +1068,7 @@ F: hw/rtc/m48t59-isa.c
 F: include/hw/isa/pc87312.h
 F: include/hw/rtc/m48t59.h
 F: pc-bios/ppc_rom.bin
+F: tests/acceptance/ppc_prep_40p.py
 
 sPAPR
 M: David Gibson <david@gibson.dropbear.id.au>

tests/acceptance/ppc_prep_40p.py

+# Functional test that boots a PReP/40p machine and checks its serial console.
+#
+# Copyright (c) Philippe Mathieu-Daudé <f4bug@amsat.org>
+#
+# This work is licensed under the terms of the GNU GPL, version 2 or
+# later. See the COPYING file in the top-level directory.
+
+import os
+
+from avocado import skipIf
+from avocado import skipUnless
+from avocado_qemu import Test
+from avocado_qemu import wait_for_console_pattern
+
+
+class IbmPrep40pMachine(Test):
+
+    timeout = 60
+
+    # 12H0455 PPS Firmware Licensed Materials
+    # Property of IBM (C) Copyright IBM Corp. 1994.
+    # All rights reserved.
+    # U.S. Government Users Restricted Rights - Use, duplication or disclosure
+    # restricted by GSA ADP Schedule Contract with IBM Corp.
+    @skipIf(os.getenv('CONTINUOUS_INTEGRATION'), 'Running on Travis-CI')
+    @skipUnless(os.getenv('AVOCADO_ALLOW_UNTRUSTED_CODE'), 'untrusted code')
+    def test_factory_firmware_and_netbsd(self):
+        """
+        :avocado: tags=arch:ppc
+        :avocado: tags=machine:40p
+        :avocado: tags=slowness:high
+        """
+        bios_url = ('ftp://ftp.boulder.ibm.com/rs6000/firmware/'
+                    '7020-40p/P12H0456.IMG')
+        bios_hash = '1775face4e6dc27f3a6ed955ef6eb331bf817f03'
+        bios_path = self.fetch_asset(bios_url, asset_hash=bios_hash)
+        drive_url = ('https://ftp.netbsd.org/pub/NetBSD/NetBSD-archive/'
+                     'NetBSD-4.0/prep/installation/floppy/generic_com0.fs')
+        drive_hash = 'dbcfc09912e71bd5f0d82c7c1ee43082fb596ceb'
+        drive_path = self.fetch_asset(drive_url, asset_hash=drive_hash)
+
+        self.vm.set_machine('40p')
+        self.vm.set_console()
+        self.vm.add_args('-bios', bios_path,
+                         '-fda', drive_path)
+        self.vm.launch()
+        os_banner = 'NetBSD 4.0 (GENERIC) #0: Sun Dec 16 00:49:40 PST 2007'
+        wait_for_console_pattern(self, os_banner)
+        wait_for_console_pattern(self, 'Model: IBM PPS Model 6015')