value = self.gdb.p("$x%d" % n)
assertEqual(value, hart.index * 0x800 + n - 1)
-class MulticoreRunHaltStepiTest(GdbTest):
+#class MulticoreRunHaltStepiTest(GdbTest):
+# compile_args = ("programs/multicore.c", "-DMULTICORE")
+#
+# def early_applicable(self):
+# return len(self.target.harts) > 1
+#
+# def setup(self):
+# self.gdb.load()
+# for hart in self.target.harts:
+# self.gdb.select_hart(hart)
+# self.gdb.p("$mhartid")
+# self.gdb.p("$pc=_start")
+#
+# def test(self):
+# previous_hart_count = [0 for h in self.target.harts]
+# previous_interrupt_count = [0 for h in self.target.harts]
+# # Check 10 times
+# for i in range(10):
+# # 3 attempts for each time we want the check to pass
+# for attempt in range(3):
+# self.gdb.global_command("echo round %d attempt %d\\n" % (i,
+# attempt))
+# self.gdb.c_all(wait=False)
+# time.sleep(2)
+# self.gdb.interrupt_all()
+# hart_count = self.gdb.p("hart_count")
+# interrupt_count = self.gdb.p("interrupt_count")
+# ok = True
+# for i, h in enumerate(self.target.harts):
+# if hart_count[i] <= previous_hart_count[i]:
+# ok = False
+# break
+# if interrupt_count[i] <= previous_interrupt_count[i]:
+# ok = False
+# break
+# self.gdb.p("$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("$pc")
+# assertNotEqual(pc, stepped_pc)
+# previous_hart_count = hart_count
+# previous_interrupt_count = interrupt_count
+# if ok:
+# break
+# else:
+# assert False, \
+# "hart count or interrupt didn't increment as expected"
+
+class MulticoreRunAllHaltOne(GdbTest):
compile_args = ("programs/multicore.c", "-DMULTICORE")
def early_applicable(self):
return len(self.target.harts) > 1
def setup(self):
+ self.gdb.select_hart(self.target.harts[0])
self.gdb.load()
for hart in self.target.harts:
self.gdb.select_hart(hart)
- self.gdb.p("$mhartid")
self.gdb.p("$pc=_start")
def test(self):
- previous_hart_count = [0 for h in self.target.harts]
- previous_interrupt_count = [0 for h in self.target.harts]
- # Check 10 times
- for i in range(10):
- # 3 attempts for each time we want the check to pass
- for attempt in range(3):
- self.gdb.global_command("echo round %d attempt %d\\n" % (i,
- attempt))
- self.gdb.c_all(wait=False)
- time.sleep(2)
- self.gdb.interrupt_all()
- hart_count = self.gdb.p("hart_count")
- interrupt_count = self.gdb.p("interrupt_count")
- ok = True
- for i, h in enumerate(self.target.harts):
- if hart_count[i] <= previous_hart_count[i]:
- ok = False
- break
- if interrupt_count[i] <= previous_interrupt_count[i]:
- ok = False
- break
- self.gdb.p("$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("$pc")
- assertNotEqual(pc, stepped_pc)
- previous_hart_count = hart_count
- previous_interrupt_count = interrupt_count
- if ok:
- break
- else:
- assert False, \
- "hart count or interrupt didn't increment as expected"
+ if not self.gdb.one_hart_per_gdb():
+ return 'not_applicable'
-class MulticoreRunAllHaltOne(GdbTest):
+ # Run harts in reverse order
+ for h in reversed(self.target.harts):
+ self.gdb.select_hart(h)
+ self.gdb.c(wait=False)
+
+ self.gdb.interrupt()
+ # Give OpenOCD time to call poll() on both harts, which is what causes
+ # the bug.
+ time.sleep(1)
+ self.gdb.p("buf", fmt="")
+
+class MulticoreRtosSwitchActiveHartTest(GdbTest):
compile_args = ("programs/multicore.c", "-DMULTICORE")
def early_applicable(self):
self.gdb.p("$pc=_start")
def test(self):
- if not self.gdb.one_hart_per_gdb():
+ if 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)
- self.gdb.c(wait=False)
+ # Set breakpoint near '_start' label to increase the chances of a
+ # situation when all harts hit breakpoint immediately and
+ # simultaneously.
+ self.gdb.b("set_trap_handler")
- self.gdb.interrupt()
- # Give OpenOCD time to call poll() on both harts, which is what causes
- # the bug.
- time.sleep(1)
- self.gdb.p("buf", fmt="")
+ # Check that all harts hit breakpoint one by one.
+ for _ in range(len(self.target.harts)):
+ output = self.gdb.c()
+ assertIn("hit Breakpoint", output)
+ assertIn("set_trap_handler", output)
+ assertNotIn("received signal SIGTRAP", output)
class StepTest(GdbSingleHartTest):
compile_args = ("programs/step.S", )