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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 def runQemu(kernel, machine='lm3s811evb'):
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14 """ Runs qemu on a given kernel file on some machine """
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15 args = ['qemu-system-arm', '-M', machine, '-m', '16M',
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16 '-nographic', '-kernel', kernel, '-monitor',
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17 'unix:qemucontrol.sock,server',
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18 '-serial', 'unix:qemuserial.sock,server']
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19 p = subprocess.Popen(args, stdout=subprocess.DEVNULL,
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20 stderr=subprocess.DEVNULL)
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21
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22 # Give process some time to boot:
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23 time.sleep(0.5)
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24
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25 # Connect to the control socket:
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26 qemu_control = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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27 qemu_control.connect('qemucontrol.sock')
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28
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29 time.sleep(0.5)
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30
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31 # Now connect to the serial output:
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32 qemu_serial = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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33 qemu_serial.connect('qemuserial.sock')
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34
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35 time.sleep(0.5)
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36
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37 qemu_serial.settimeout(0.2)
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38
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39 # Receive all data:
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40 data = bytearray()
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41 for i in range(40):
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42 try:
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43 data += qemu_serial.recv(1)
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44 except socket.timeout as e:
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45 break
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46 data = data.decode('ascii')
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47 # print(data)
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48
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49 # Send quit command:
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50 qemu_control.send("quit\n".encode('ascii'))
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51 p.wait(timeout=3)
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52 qemu_control.close()
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53 qemu_serial.close()
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54
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55 # Check that output was correct:
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56 return data
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57
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338
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58
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59 class EmulationTestCase(ZccBaseTestCase):
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60 """ Tests the compiler driver """
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61 def setUp(self):
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62 if 'TESTEMU' not in os.environ:
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63 self.skipTest('Not running emulation tests')
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64
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65 def testM3Bare(self):
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66 """ Build bare m3 binary and emulate it """
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67 recipe = os.path.join(testdir, 'm3_bare', 'recipe.yaml')
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68 self.buildRecipe(recipe)
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69 data = runQemu('m3_bare/bare.bin')
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70 self.assertEqual('Hello worle', data)
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71
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72 def testA9Bare(self):
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73 """ Build vexpress cortex-A9 binary and emulate it """
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74 recipe = os.path.join(testdir, '..', 'examples', 'qemu_a9_hello', 'recipe.yaml')
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75 self.buildRecipe(recipe)
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76 data = runQemu('../examples/qemu_a9_hello/hello.bin', machine='vexpress-a9')
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77 self.assertEqual('Hello worle', data)
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338
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78
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352
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79 def testKernelVexpressA9(self):
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80 """ Build vexpress cortex-A9 binary and emulate it """
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81 recipe = os.path.join(testdir, '..', 'kernel', 'arm.yaml')
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82 self.buildRecipe(recipe)
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83 data = runQemu('../kernel/kernel_arm.bin', machine='vexpress-a9')
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84 self.assertEqual('Welcome to lcfos!', data[:17])
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352
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85
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338
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86
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87 if __name__ == '__main__':
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88 unittest.main()
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