| #!/usr/bin/env python |
| |
| """Test that OpenOCD can talk to a RISC-V target.""" |
| |
| import argparse |
| import sys |
| |
| import targets |
| import testlib |
| from testlib import assertIn, assertEqual |
| |
| class OpenOcdTest(testlib.BaseTest): |
| def __init__(self, target): |
| testlib.BaseTest.__init__(self, target) |
| self.gdb = None |
| |
| def early_applicable(self): |
| return self.target.openocd_config |
| |
| def setup(self): |
| # pylint: disable=attribute-defined-outside-init |
| self.cli = testlib.OpenocdCli() |
| self.cli.command("halt") |
| |
| def write_nops(self, count): |
| for address in range(self.target.ram, self.target.ram + 4 * count, 4): |
| # 0x13 is nop |
| self.cli.command("mww 0x%x 0x13" % address) |
| |
| class RegTest(OpenOcdTest): |
| def test(self): |
| self.write_nops(4) |
| |
| regs = self.cli.reg() |
| assertIn("x18", regs) |
| |
| self.cli.command("reg x18 0x11782") |
| self.cli.command("step 0x%x" % self.target.ram) |
| |
| assertEqual(self.cli.reg("x18"), 0x11782) |
| |
| class StepTest(OpenOcdTest): |
| def test(self): |
| self.write_nops(4) |
| |
| self.cli.command("step 0x%x" % self.target.ram) |
| for i in range(4): |
| pc = self.cli.reg("pc") |
| assertEqual(pc, self.target.ram + 4 * (i+1)) |
| self.cli.command("step") |
| |
| class ResumeTest(OpenOcdTest): |
| def test(self): |
| self.write_nops(16) |
| |
| self.cli.command("bp 0x%x 4" % (self.target.ram + 12)) |
| self.cli.command("bp 0x%x 4" % (self.target.ram + 24)) |
| |
| self.cli.command("resume 0x%x" % self.target.ram) |
| assertEqual(self.cli.reg("pc"), self.target.ram + 12) |
| |
| self.cli.command("resume") |
| assertEqual(self.cli.reg("pc"), self.target.ram + 24) |
| |
| self.cli.command("resume 0x%x" % self.target.ram) |
| assertEqual(self.cli.reg("pc"), self.target.ram + 12) |
| |
| def main(): |
| parser = argparse.ArgumentParser( |
| description="Test that OpenOCD can talk to a RISC-V target.") |
| targets.add_target_options(parser) |
| testlib.add_test_run_options(parser) |
| |
| parsed = parser.parse_args() |
| |
| target = parsed.target(parsed.server_cmd, parsed.sim_cmd, parsed.isolate) |
| if parsed.xlen: |
| target.xlen = parsed.xlen |
| |
| module = sys.modules[__name__] |
| |
| return testlib.run_all_tests(module, target, parsed) |
| |
| if __name__ == '__main__': |
| sys.exit(main()) |
