+ if not self.port:
+ print_log(self.logname)
+ raise Exception("Didn't get spike message about bitbang "
+ "connection")
+
+ def command(self, target, harts, halted, timeout, with_jtag_gdb):
+ # pylint: disable=no-self-use
+ if target.sim_cmd:
+ cmd = shlex.split(target.sim_cmd)
+ else:
+ spike = os.path.expandvars("$RISCV/bin/spike")
+ cmd = [spike]
+
+ cmd += ["-p%d" % len(harts)]
+
+ assert len(set(t.xlen for t in harts)) == 1, \
+ "All spike harts must have the same XLEN"
+
+ if harts[0].xlen == 32:
+ cmd += ["--isa", "RV32G"]
+ else:
+ cmd += ["--isa", "RV64G"]
+
+ assert len(set(t.ram for t in harts)) == 1, \
+ "All spike harts must have the same RAM layout"
+ assert len(set(t.ram_size for t in harts)) == 1, \
+ "All spike harts must have the same RAM layout"
+ cmd += ["-m0x%x:0x%x" % (harts[0].ram, harts[0].ram_size)]
+
+ if timeout:
+ cmd = ["timeout", str(timeout)] + cmd
+
+ if halted:
+ cmd.append('-H')
+ if with_jtag_gdb:
+ cmd += ['--rbb-port', '0']
+ os.environ['REMOTE_BITBANG_HOST'] = 'localhost'
+
+ return cmd