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comparison test/testemulation.py @ 364:c49459768aaa

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Work on globals
author Windel Bouwman
date Wed, 19 Mar 2014 20:24:03 +0100
parents 614a7f6d4d4d
children 39bf68bf1891
comparison
equal deleted inserted replaced
363:396e5cefba13 364:c49459768aaa
9 9
10 # Store testdir for safe switch back to directory: 10 # Store testdir for safe switch back to directory:
11 testdir = os.path.dirname(os.path.abspath(__file__)) 11 testdir = os.path.dirname(os.path.abspath(__file__))
12 12
13 def runQemu(kernel, machine='lm3s811evb'): 13 def runQemu(kernel, machine='lm3s811evb'):
14 """ Runs qemu on a given kernel file on some machine """ 14 """ Runs qemu on a given kernel file """
15 try:
16 os.remove('qemucontrol.sock')
17 except FileNotFoundError:
18 pass
19
20 try:
21 os.remove('qemuserial.sock')
22 except FileNotFoundError:
23 pass
24
25 # Listen to the control socket:
26 qemu_control = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
27 qemu_control.bind('qemucontrol.sock')
28 qemu_control.listen(0)
29
30 # Listen to the serial output:
31 qemu_serial = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
32 qemu_serial.bind('qemuserial.sock')
33 qemu_serial.listen(0)
34
15 args = ['qemu-system-arm', '-M', machine, '-m', '16M', 35 args = ['qemu-system-arm', '-M', machine, '-m', '16M',
16 '-nographic', '-kernel', kernel, '-monitor', 36 '-nographic', '-kernel', kernel, '-monitor',
17 'unix:qemucontrol.sock,server', 37 'unix:qemucontrol.sock',
18 '-serial', 'unix:qemuserial.sock,server'] 38 '-serial', 'unix:qemuserial.sock', '-S']
19 p = subprocess.Popen(args, stdout=subprocess.DEVNULL, 39 p = subprocess.Popen(args)
20 stderr=subprocess.DEVNULL) 40 #stdout=subprocess.DEVNULL,
41 #stderr=subprocess.DEVNULL)
21 42
22 # Give process some time to boot: 43 # Give process some time to boot:
23 time.sleep(0.5) 44 qemu_serial, address_peer = qemu_serial.accept()
24 45 qemu_control, address_peer = qemu_control.accept()
25 # Connect to the control socket: 46 qemu_control.send('cont\n'.encode('ascii'))
26 qemu_control = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
27 qemu_control.connect('qemucontrol.sock')
28
29 time.sleep(0.5)
30
31 # Now connect to the serial output:
32 qemu_serial = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
33 qemu_serial.connect('qemuserial.sock')
34
35 time.sleep(0.5)
36 47
37 qemu_serial.settimeout(0.2) 48 qemu_serial.settimeout(0.2)
38 49
39 # Receive all data: 50 # Receive all data:
40 data = bytearray() 51 data = bytearray()
41 for i in range(40): 52 for i in range(400):
42 try: 53 try:
43 data += qemu_serial.recv(1) 54 data += qemu_serial.recv(1)
44 except socket.timeout as e: 55 except socket.timeout as e:
45 break 56 break
46 data = data.decode('ascii') 57 data = data.decode('ascii')
47 # print(data) 58 # print(data)
48 59
49 # Send quit command: 60 # Send quit command:
50 qemu_control.send("quit\n".encode('ascii')) 61 qemu_control.send("quit\n".encode('ascii'))
51 p.wait(timeout=3) 62 try:
63 p.wait(timeout=3)
64 except subprocess.TimeoutExpired:
65 p.kill()
66 print(p.communicate())
52 qemu_control.close() 67 qemu_control.close()
53 qemu_serial.close() 68 qemu_serial.close()
69
70 try:
71 os.remove('qemucontrol.sock')
72 except FileNotFoundError:
73 pass
74
75 try:
76 os.remove('qemuserial.sock')
77 except FileNotFoundError:
78 pass
54 79
55 # Check that output was correct: 80 # Check that output was correct:
56 return data 81 return data
57 82
58 83