value = self.gdb.p("$x%d" % n)
assertEqual(value, hart.index * 0x800 + n - 1)
-class MulticoreRunHaltStepiTest(GdbTest):
- compile_args = ("programs/multicore.c", "-DMULTICORE")
-
- def early_applicable(self):
- return len(self.target.harts) > 1
-
- def setup(self):
- self.gdb.load()
- for hart in self.target.harts:
- self.gdb.select_hart(hart)
- self.gdb.p("$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]
- for _ in range(10):
- self.gdb.c(wait=False)
- time.sleep(2)
- self.gdb.interrupt()
- self.gdb.p("$mie")
- self.gdb.p("$mip")
- self.gdb.p("$mstatus")
- self.gdb.p("$priv")
- self.gdb.p("buf", fmt="")
- hart_count = self.gdb.p("hart_count")
- interrupt_count = self.gdb.p("interrupt_count")
- for i, h in enumerate(self.target.harts):
- assertGreater(hart_count[i], previous_hart_count[i])
- assertGreater(interrupt_count[i], previous_interrupt_count[i])
- self.gdb.select_hart(h)
- pc = self.gdb.p("$pc")
- self.gdb.stepi()
- stepped_pc = self.gdb.p("$pc")
- assertNotEqual(pc, stepped_pc)
+#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")
time.sleep(1)
self.gdb.p("buf", fmt="")
-class StepTest(GdbTest):
+class StepTest(GdbSingleHartTest):
compile_args = ("programs/step.S", )
def setup(self):
pc = self.gdb.p("$pc")
assertEqual("%x" % (pc - main_address), "%x" % expected)
-class TriggerTest(GdbTest):
+class JumpHbreak(GdbSingleHartTest):
+ """'jump' resumes execution at location. Execution stops again immediately
+ if there is a breakpoint there.
+ That second line can be trouble."""
+ compile_args = ("programs/trigger.S", )
+
+ def early_applicable(self):
+ return self.hart.instruction_hardware_breakpoint_count >= 1
+
+ def setup(self):
+ self.gdb.load()
+ self.gdb.hbreak("main")
+ self.gdb.c()
+ self.gdb.command("delete 1")
+
+ def test(self):
+ self.gdb.b("read_loop")
+ self.gdb.command("hbreak just_before_read_loop")
+ output = self.gdb.command("jump just_before_read_loop")
+ assertRegexpMatches(output, r"Breakpoint \d, just_before_read_loop ")
+ output = self.gdb.c()
+ assertRegexpMatches(output, r"Breakpoint \d, read_loop ")
+
+class TriggerTest(GdbSingleHartTest):
compile_args = ("programs/trigger.S", )
def setup(self):
self.gdb.load()
self.gdb.c()
read_loop = self.gdb.p("&read_loop")
read_again = self.gdb.p("&read_again")
- self.gdb.command("rwatch data")
+ data = self.gdb.p("&data")
+ self.gdb.command("rwatch *0x%x" % data)
self.gdb.c()
# Accept hitting the breakpoint before or after the load instruction.
assertIn(self.gdb.p("$pc"), [read_loop, read_loop + 4])
self.gdb.command("b just_before_write_loop")
self.gdb.c()
write_loop = self.gdb.p("&write_loop")
- self.gdb.command("watch data")
+ data = self.gdb.p("&data")
+ self.gdb.command("watch *0x%x" % data)
self.gdb.c()
# Accept hitting the breakpoint before or after the store instruction.
assertIn(self.gdb.p("$pc"), [write_loop, write_loop + 4])
assertIn("clear_triggers", output)
self.check_triggers((1<<6) | (1<<0), 0xfeedac00)
-class RegsTest(GdbTest):
+class RegsTest(GdbSingleHartTest):
compile_args = ("programs/regs.S", )
def setup(self):
self.gdb.load()
self.binary = self.target.compile(self.hart, self.download_c.name,
"programs/checksum.c")
- self.gdb.command("file %s" % self.binary)
+ self.gdb.global_command("file %s" % self.binary)
def test(self):
self.gdb.load()
+ self.parkOtherHarts()
self.gdb.command("b _exit")
self.gdb.c()
assertEqual(self.gdb.p("status"), self.crc)
os.unlink(self.download_c.name)
-#class MprvTest(GdbTest):
+#class MprvTest(GdbSingleHartTest):
# compile_args = ("programs/mprv.S", )
# def setup(self):
# self.gdb.load()
# output = self.gdb.command("p/x *(int*)(((char*)&data)-0x80000000)")
# assertIn("0xbead", output)
-class PrivTest(GdbTest):
+class PrivTest(GdbSingleHartTest):
compile_args = ("programs/priv.S", )
def setup(self):
# pylint: disable=attribute-defined-outside-init