+ previous_interrupt_count = [0 for h in self.target.harts]
+ # Check 10 times
+ for i in range(10):
+ # 3 attempts for each time we want the check to pass
+ for attempt in range(3):
+ self.gdb.global_command("echo round %d attempt %d\\n" % (i,
+ attempt))
+ self.gdb.c_all(wait=False)
+ time.sleep(2)
+ self.gdb.interrupt_all()
+ hart_count = self.gdb.p("hart_count")
+ interrupt_count = self.gdb.p("interrupt_count")
+ ok = True
+ for i, h in enumerate(self.target.harts):
+ if hart_count[i] <= previous_hart_count[i]:
+ ok = False
+ break
+ if interrupt_count[i] <= previous_interrupt_count[i]:
+ ok = False
+ break
+ self.gdb.p("$mie")
+ self.gdb.p("$mip")
+ self.gdb.p("$mstatus")
+ self.gdb.p("$priv")
+ self.gdb.p("buf", fmt="")
+ self.gdb.select_hart(h)
+ pc = self.gdb.p("$pc")
+ self.gdb.stepi()
+ stepped_pc = self.gdb.p("$pc")
+ assertNotEqual(pc, stepped_pc)
+ previous_hart_count = hart_count
+ previous_interrupt_count = interrupt_count
+ if ok:
+ break
+ else:
+ assert False, \
+ "hart count or interrupt didn't increment as expected"
+
+class MulticoreRunAllHaltOne(GdbTest):
+ compile_args = ("programs/multicore.c", "-DMULTICORE")
+
+ def early_applicable(self):
+ return len(self.target.harts) > 1
+
+ def setup(self):
+ self.gdb.select_hart(self.target.harts[0])
+ self.gdb.load()
+ for hart in self.target.harts:
+ self.gdb.select_hart(hart)
+ self.gdb.p("$pc=_start")
+
+ def test(self):
+ if not self.gdb.one_hart_per_gdb():
+ return 'not_applicable'
+
+ # Run harts in reverse order
+ for h in reversed(self.target.harts):
+ self.gdb.select_hart(h)