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1 import unittest
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2 import os
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3 import sys
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4 import subprocess
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5 import socket
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6 import time
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7
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8 from testzcc import ZccBaseTestCase
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9
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10 # Store testdir for safe switch back to directory:
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11 testdir = os.path.dirname(os.path.abspath(__file__))
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12
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13
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14 class EmulationTestCase(ZccBaseTestCase):
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15 """ Tests the compiler driver """
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16 def setUp(self):
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17 os.chdir(testdir)
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18 if 'TESTEMU' not in os.environ:
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19 self.skipTest('Not running emulation tests')
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20
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21 def tearDown(self):
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22 os.chdir(testdir)
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23
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24 def runQemu(self, kernel, timespan=2):
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25 args = ['qemu-system-arm', '-M', 'lm3s811evb', '-m', '16M',
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26 '-nographic', '-kernel', kernel, '-monitor',
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27 'unix:qemucontrol.sock,server',
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28 '-serial', 'unix:qemuserial.sock,server']
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29 p = subprocess.Popen(args)
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30
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31 # Give process some time to boot:
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32 time.sleep(0.5)
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33
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34 # Connect to the control socket:
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35 qemu_control = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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36 qemu_control.connect('qemucontrol.sock')
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37
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339
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38 time.sleep(2.5)
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338
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39
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40 # Now connect to the serial output:
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41 qemu_serial = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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42 qemu_serial.connect('qemuserial.sock')
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43
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44
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45 data = qemu_serial.recv(11).decode('ascii')
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46 print(data)
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47
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48 # Send quit command:
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49 qemu_control.send("quit\n".encode('ascii'))
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50
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51 p.wait(timeout=timespan)
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52
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53 qemu_control.close()
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54 qemu_serial.close()
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55
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56 # Check that output was correct:
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57 self.assertEqual('Hello worle', data)
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58
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59 def testM3Bare(self):
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60 """ Build bare m3 binary and emulate it """
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61 recipe = os.path.join(testdir, 'm3_bare', 'recipe.yaml')
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62 self.buildRecipe(recipe)
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63 self.runQemu('m3_bare/bare.bin')
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64
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65
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66 if __name__ == '__main__':
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67 unittest.main()
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