240 lines
10 KiB
Python
240 lines
10 KiB
Python
import os
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import re
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import shutil
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import subprocess
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import shlex
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import logging
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import random
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import string
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from string import Template
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import sys
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import riscof.utils as utils
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import riscof.constants as constants
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from riscof.pluginTemplate import pluginTemplate
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logger = logging.getLogger()
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class rve(pluginTemplate):
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__model__ = "rve"
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#TODO: please update the below to indicate family, version, etc of your DUT.
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__version__ = "XXX"
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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config = kwargs.get('config')
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# If the config node for this DUT is missing or empty. Raise an error. At minimum we need
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# the paths to the ispec and pspec files
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if config is None:
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print("Please enter input file paths in configuration.")
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raise SystemExit(1)
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self.dut_exe = os.path.join(config['PATH'] if 'PATH' in config else "","rve")
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self.num_jobs = str(config['jobs'] if 'jobs' in config else 1)
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self.pluginpath=os.path.abspath(config['pluginpath'])
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self.isa_spec = os.path.abspath(config['ispec'])
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self.platform_spec = os.path.abspath(config['pspec'])
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#We capture if the user would like the run the tests on the target or
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#not. If you are interested in just compiling the tests and not running
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#them on the target, then following variable should be set to False
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if 'target_run' in config and config['target_run']=='0':
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self.target_run = False
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else:
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self.target_run = True
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def initialise(self, suite, work_dir, archtest_env):
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# capture the working directory. Any artifacts that the DUT creates should be placed in this
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# directory. Other artifacts from the framework and the Reference plugin will also be placed
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# here itself.
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self.work_dir = work_dir
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# capture the architectural test-suite directory.
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self.suite_dir = suite
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# Note the march is not hardwired here, because it will change for each
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# test. Similarly the output elf name and compile macros will be assigned later in the
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# runTests function
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self.compile_cmd = 'riscv{1}-none-elf-gcc -march={0} \
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-static -mcmodel=medany -fvisibility=hidden -nostdlib -nostartfiles -g\
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-T '+self.pluginpath+'/env/link.ld\
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-I '+self.pluginpath+'/env/\
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-I ' + archtest_env + ' {2} -o {3} {4}'
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# add more utility snippets here
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def build(self, isa_yaml, platform_yaml):
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# load the isa yaml as a dictionary in python.
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ispec = utils.load_yaml(isa_yaml)['hart0']
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# capture the XLEN value by picking the max value in 'supported_xlen' field of isa yaml. This
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# will be useful in setting integer value in the compiler string (if not already hardcoded);
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self.xlen = ('64' if 64 in ispec['supported_xlen'] else '32')
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# for sail start building the '--isa' argument. the self.isa is dutnmae specific and may not be
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# useful for all DUTs
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self.isa = 'rv' + self.xlen
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if "I" in ispec["ISA"]:
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self.isa += 'i'
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if "M" in ispec["ISA"]:
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self.isa += 'm'
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if "F" in ispec["ISA"]:
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self.isa += 'f'
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if "D" in ispec["ISA"]:
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self.isa += 'd'
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if "C" in ispec["ISA"]:
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self.isa += 'c'
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#TODO: The following assumes you are using the riscv-gcc toolchain. If
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# not please change appropriately
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self.compile_cmd = self.compile_cmd+' -mabi='+('lp64 ' if 64 in ispec['supported_xlen'] else 'ilp32 ')
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def runTests(self, testList):
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# Delete Makefile if it already exists.
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if os.path.exists(self.work_dir+ "/Makefile." + self.name[:-1]):
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os.remove(self.work_dir+ "/Makefile." + self.name[:-1])
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# create an instance the makeUtil class that we will use to create targets.
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make = utils.makeUtil(makefilePath=os.path.join(self.work_dir, "Makefile." + self.name[:-1]))
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# set the make command that will be used. The num_jobs parameter was set in the __init__
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# function earlier
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make.makeCommand = 'make -k -j' + self.num_jobs
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# we will iterate over each entry in the testList. Each entry node will be refered to by the
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# variable testname.
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for testname in testList:
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# for each testname we get all its fields (as described by the testList format)
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testentry = testList[testname]
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# we capture the path to the assembly file of this test
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test = testentry['test_path']
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# capture the directory where the artifacts of this test will be dumped/created. RISCOF is
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# going to look into this directory for the signature files
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test_dir = testentry['work_dir']
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# name of the elf file after compilation of the test
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elf = 'my.elf'
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# name of the signature file as per requirement of RISCOF. RISCOF expects the signature to
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# be named as DUT-<dut-name>.signature. The below variable creates an absolute path of
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# signature file.
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sig_file = os.path.join(test_dir, self.name[:-1] + ".signature")
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# for each test there are specific compile macros that need to be enabled. The macros in
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# the testList node only contain the macros/values. For the gcc toolchain we need to
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# prefix with "-D". The following does precisely that.
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compile_macros= ' -D' + " -D".join(testentry['macros'])
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# substitute all variables in the compile command that we created in the initialize
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# function
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cmd = self.compile_cmd.format(testentry['isa'].lower(), self.xlen, test, elf, compile_macros)
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# if the user wants to disable running the tests and only compile the tests, then
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# the "else" clause is executed below assigning the sim command to simple no action
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# echo statement.
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if self.target_run:
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# set up the simulation command. Template is for spike. Please change.
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simcmd = self.dut_exe + ' --signature {0} {1}'.format(sig_file, elf)
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else:
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simcmd = 'echo "NO RUN"'
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# concatenate all commands that need to be executed within a make-target.
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execute = '@cd {0}; {1}; {2};'.format(testentry['work_dir'], cmd, simcmd)
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# create a target. The makeutil will create a target with the name "TARGET<num>" where num
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# starts from 0 and increments automatically for each new target that is added
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make.add_target(execute)
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# if you would like to exit the framework once the makefile generation is complete uncomment the
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# following line. Note this will prevent any signature checking or report generation.
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#raise SystemExit
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# once the make-targets are done and the makefile has been created, run all the targets in
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# parallel using the make command set above.
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make.execute_all(self.work_dir)
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# if target runs are not required then we simply exit as this point after running all
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# the makefile targets.
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if not self.target_run:
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raise SystemExit(0)
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#The following is an alternate template that can be used instead of the above.
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#The following template only uses shell commands to compile and run the tests.
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# def runTests(self, testList):
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#
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# # we will iterate over each entry in the testList. Each entry node will be referred to by the
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# # variable testname.
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# for testname in testList:
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#
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# logger.debug('Running Test: {0} on DUT'.format(testname))
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# # for each testname we get all its fields (as described by the testList format)
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# testentry = testList[testname]
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#
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# # we capture the path to the assembly file of this test
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# test = testentry['test_path']
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#
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# # capture the directory where the artifacts of this test will be dumped/created.
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# test_dir = testentry['work_dir']
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#
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# # name of the elf file after compilation of the test
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# elf = 'my.elf'
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#
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# # name of the signature file as per requirement of RISCOF. RISCOF expects the signature to
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# # be named as DUT-<dut-name>.signature. The below variable creates an absolute path of
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# # signature file.
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# sig_file = os.path.join(test_dir, self.name[:-1] + ".signature")
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#
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# # for each test there are specific compile macros that need to be enabled. The macros in
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# # the testList node only contain the macros/values. For the gcc toolchain we need to
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# # prefix with "-D". The following does precisely that.
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# compile_macros= ' -D' + " -D".join(testentry['macros'])
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#
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# # collect the march string required for the compiler
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# marchstr = testentry['isa'].lower()
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#
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# # substitute all variables in the compile command that we created in the initialize
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# # function
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# cmd = self.compile_cmd.format(marchstr, self.xlen, test, elf, compile_macros)
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#
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# # just a simple logger statement that shows up on the terminal
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# logger.debug('Compiling test: ' + test)
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#
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# # the following command spawns a process to run the compile command. Note here, we are
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# # changing the directory for this command to that pointed by test_dir. If you would like
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# # the artifacts to be dumped else where change the test_dir variable to the path of your
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# # choice.
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# utils.shellCommand(cmd).run(cwd=test_dir)
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#
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# # for debug purposes if you would like stop the DUT plugin after compilation, you can
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# # comment out the lines below and raise a SystemExit
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#
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# if self.target_run:
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# # build the command for running the elf on the DUT. In this case we use spike and indicate
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# # the isa arg that we parsed in the build stage, elf filename and signature filename.
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# # Template is for spike. Please change for your DUT
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# execute = self.dut_exe + ' --isa={0} +signature={1} +signature-granularity=4 {2}'.format(self.isa, sig_file, elf)
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# logger.debug('Executing on Spike ' + execute)
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#
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# # launch the execute command. Change the test_dir if required.
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# utils.shellCommand(execute).run(cwd=test_dir)
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#
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# # post-processing steps can be added here in the template below
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# #postprocess = 'mv {0} temp.sig'.format(sig_file)'
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# #utils.shellCommand(postprocess).run(cwd=test_dir)
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#
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# # if target runs are not required then we simply exit as this point after running all
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# # the makefile targets.
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# if not self.target_run:
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# raise SystemExit
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