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tests/hm2-idrom/.gitignore

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+/halrun-stderr
+/halrun-stdout

tests/hm2-idrom/README

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+
+This is a test of the hm2_register() function in the hostmot2(9) driver.
+
+It makes a fake AnyIO board (using the hm2_test driver) with a static
+"register file" containing a test pattern.  The fake AnyIO board is
+passed to hm2_register(), and let's see if it panics.
+

tests/hm2-idrom/broken-load-test.hal

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+
+loadrt hostmot2 debug_idrom=1 debug_pin_descriptors=1 debug_module_descriptors=1
+loadrt hm2_test test_pattern=$(TEST_PATTERN)
+

tests/hm2-idrom/check-dmesg.py

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+#!/usr/bin/env python3
+
+#
+# Here's the kind of output we're looking for:
+# 
+# [87900.133189] hm2: loading Mesa HostMot2 driver version 0.14
+# [87900.157678] hm2_test: loading HostMot2 test driver
+# [87900.157715] hm2: no firmware specified in config modparam!  the board had better have firmware configured already, or this won't work
+# [87900.157724] hm2/hm2_test.0: invalid cookie, got 0x00000000, expected 0x55AACAFE
+# [87900.157726] hm2/hm2_test.0: FPGA failed to initialize, or unexpected firmware?
+# [87900.157731] hm2_test.0: hm2_test fails HM2 registration
+# [87900.236858] hm2: unloading
+
+import os
+import sys
+import re
+import hal
+
+hm2_test_load = 'loading HostMot2 test driver'
+hm2_test_unload = 'hm2_test.0: hm2_test fails HM2 registration'
+
+sought_error = sys.argv[1]
+if sought_error == None:
+    print("supply an error message on the command line!")
+    sys.exit(1)
+
+
+# is this how you do enum in python?
+LOOKING_FOR_LOAD, LOOKING_FOR_ERROR = list(range(2))
+
+if hal.is_kernelspace:
+    dmesg = os.popen('dmesg')
+else:
+    dmesg = open("halrun-stderr")
+
+output = ""
+
+state = LOOKING_FOR_LOAD
+result = 1
+while 1:
+    line = dmesg.readline()
+    output += line
+    if line == "": break  # eof
+
+    if state == LOOKING_FOR_LOAD:
+        if line.find(hm2_test_load) < 0: continue
+        state = LOOKING_FOR_ERROR
+        result = 1  # assume it's the wrong error for now
+        continue
+
+    if state == LOOKING_FOR_ERROR:
+        if re.search(sought_error, line) != None:
+            result = 0
+            state = LOOKING_FOR_LOAD
+            continue;
+
+        if line.find(hm2_test_unload) >= 0:
+            state = LOOKING_FOR_LOAD
+
+
+if (result == 0):
+    print(sought_error)
+else:
+    print("test pattern %s did not produce error '%s'" % (os.getenv("TEST_PATTERN"), sought_error))
+    print("actual output:")
+    print(output)
+
+sys.exit(result)
+

tests/hm2-idrom/expected

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+hm2/hm2_test\.0: invalid cookie
+hm2/hm2_test\.0: invalid config name
+hm2/hm2_test\.0: invalid IDROM type
+hm2/hm2_test\.0: invalid IDROM type
+hm2/hm2_test\.0: invalid IDROM PortWidth
+hm2/hm2_test\.0: invalid IDROM PortWidth
+hm2/hm2_test\.0: IDROM IOPorts is 0 but llio num_ioport_connectors is \d+
+hm2/hm2_test\.0: IDROM IOWidth is \d+, but IDROM IOPorts is \d+ and IDROM PortWidth is \d+
+hm2/hm2_test\.0: IDROM IOPorts is \d+ but llio num_ioport_connectors is \d+
+hm2/hm2_test\.0: IDROM ClockLow is \d+, that's too low
+hm2/hm2_test\.0: IDROM ClockHigh is \d+, that's too low
+hm2/hm2_test\.0: pin 0 primary tag is 0 \(end-of-list sentinel\), expected 144 pins!
+hm2/hm2_test\.0: [^:]+: invalid pin number 0
+hm2/hm2_test\.0: invalid IDROM PortWidth 24, this board has 5 pins per connector, aborting load
+hm2/hm2_test\.0: IDROM IOPorts is 0 but llio num_ioport_connectors is \d+

tests/hm2-idrom/test.sh

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+#!/bin/bash
+
+Error[0]="hm2/hm2_test\.0: invalid cookie"
+Error[1]="hm2/hm2_test\.0: invalid config name"
+Error[2]="hm2/hm2_test\.0: invalid IDROM type"
+Error[3]="hm2/hm2_test\.0: invalid IDROM type"
+Error[4]="hm2/hm2_test\.0: invalid IDROM PortWidth"
+Error[5]="hm2/hm2_test\.0: invalid IDROM PortWidth"
+Error[6]="hm2/hm2_test\.0: IDROM IOPorts is 0 but llio num_ioport_connectors is \d+"
+Error[7]="hm2/hm2_test\.0: IDROM IOWidth is \d+, but IDROM IOPorts is \d+ and IDROM PortWidth is \d+"
+Error[8]="hm2/hm2_test\.0: IDROM IOPorts is \d+ but llio num_ioport_connectors is \d+"
+Error[9]="hm2/hm2_test\.0: IDROM ClockLow is \d+, that's too low"
+Error[10]="hm2/hm2_test\.0: IDROM ClockHigh is \d+, that's too low"
+Error[11]="hm2/hm2_test\.0: pin 0 primary tag is 0 \(end-of-list sentinel\), expected 144 pins!"
+Error[12]="hm2/hm2_test\.0: [^:]+: invalid pin number 0"
+Error[13]="hm2/hm2_test\.0: invalid IDROM PortWidth 24, this board has 5 pins per connector, aborting load"
+Error[14]="hm2/hm2_test\.0: IDROM IOPorts is 0 but llio num_ioport_connectors is \d+"
+
+result=0
+
+TEST_PATTERN=0
+while [ -n "${Error[$TEST_PATTERN]}" ]; do
+    export TEST_PATTERN
+    halrun -f broken-load-test.hal >halrun-stdout 2>halrun-stderr
+    ./check-dmesg.py "${Error[$TEST_PATTERN]}" || exit $?
+    TEST_PATTERN=$((TEST_PATTERN + 1))
+done
+
+exit $result