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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 if 'TESTEMU' not in os.environ:
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18 self.skipTest('Not running emulation tests')
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19
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20 def runQemu(self, kernel, machine='lm3s811evb'):
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21 args = ['qemu-system-arm', '-M', machine, '-m', '16M',
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338
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22 '-nographic', '-kernel', kernel, '-monitor',
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23 'unix:qemucontrol.sock,server',
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24 '-serial', 'unix:qemuserial.sock,server']
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25 p = subprocess.Popen(args)
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26
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27 # Give process some time to boot:
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28 time.sleep(0.5)
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29
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30 # Connect to the control socket:
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31 qemu_control = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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32 qemu_control.connect('qemucontrol.sock')
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33
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34 time.sleep(0.5)
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338
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35
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36 # Now connect to the serial output:
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37 qemu_serial = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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38 qemu_serial.connect('qemuserial.sock')
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39
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40 time.sleep(0.5)
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41
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42 qemu_serial.settimeout(0.2)
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43
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44 # Receive all data:
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45 data = bytearray()
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46 for i in range(40):
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47 try:
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48 data += qemu_serial.recv(1)
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49 except socket.timeout as e:
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50 break
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51 data = data.decode('ascii')
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52 # print(data)
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53
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54 # Send quit command:
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55 qemu_control.send("quit\n".encode('ascii'))
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340
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56 p.wait(timeout=3)
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57 qemu_control.close()
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58 qemu_serial.close()
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59
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60 # Check that output was correct:
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61 return data
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338
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62
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63 def testM3Bare(self):
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64 """ Build bare m3 binary and emulate it """
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65 recipe = os.path.join(testdir, 'm3_bare', 'recipe.yaml')
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66 self.buildRecipe(recipe)
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346
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67 data = self.runQemu('m3_bare/bare.bin')
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68 self.assertEqual('Hello worle', data)
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69
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70 def testA9Bare(self):
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71 """ Build vexpress cortex-A9 binary and emulate it """
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72 recipe = os.path.join(testdir, '..', 'examples', 'qemu_a9_hello', 'recipe.yaml')
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73 self.buildRecipe(recipe)
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74 data = self.runQemu('../examples/qemu_a9_hello/hello.bin', machine='vexpress-a9')
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75 self.assertEqual('Hello worle', data)
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338
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76
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352
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77 def testKernelVexpressA9(self):
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78 """ Build vexpress cortex-A9 binary and emulate it """
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79 recipe = os.path.join(testdir, '..', 'kernel', 'arm.yaml')
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80 self.buildRecipe(recipe)
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81 data = self.runQemu('../kernel/kernel_arm.bin', machine='vexpress-a9')
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82 self.assertEqual('e', data[0])
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83
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338
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84
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85 if __name__ == '__main__':
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86 unittest.main()
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