Initial import of microwatt

Signed-off-by: Anton Blanchard <anton@linux.ibm.com>

scripts/test_micropython_long.py

@@ -0,0 +1,48 @@
+#!/usr/bin/python3
+
+import tempfile
+import os
+from shutil import copyfile
+import subprocess
+from pexpect import fdpexpect
+import sys
+import signal
+
+tempdir = tempfile.TemporaryDirectory()
+cwd = os.getcwd()
+os.chdir(tempdir.name)
+
+copyfile(os.path.join(cwd, 'tests/micropython.bin'),
+        os.path.join(tempdir.name, 'simple_ram_behavioural.bin'))
+
+cmd = [ os.path.join(cwd, './core_tb') ]
+
+devNull = open(os.devnull, 'w')
+p = subprocess.Popen(cmd, stdout=devNull,
+        stdin=subprocess.PIPE, stderr=subprocess.PIPE)
+
+exp = fdpexpect.fdspawn(p.stderr)
+exp.logfile = sys.stdout.buffer
+
+exp.expect('Type "help\(\)" for more information.')
+exp.expect('>>>')
+
+p.stdin.write(b'n2=0\r\n')
+p.stdin.write(b'n1=1\r\n')
+p.stdin.write(b'for i in range(5):\r\n')
+p.stdin.write(b'    n0 = n1 + n2\r\n')
+p.stdin.write(b'    print(n0)\r\n')
+p.stdin.write(b'    n2 = n1\r\n')
+p.stdin.write(b'    n1 = n0\r\n')
+p.stdin.write(b'\r\n')
+p.stdin.flush()
+
+exp.expect('n1 = n0', timeout=600)
+exp.expect('1', timeout=600)
+exp.expect('2', timeout=600)
+exp.expect('3', timeout=600)
+exp.expect('5', timeout=600)
+exp.expect('8', timeout=600)
+exp.expect('>>>', timeout=600)
+
+os.kill(p.pid, signal.SIGKILL)