self.gdb.thread(t)
pcs.append(self.gdb.p("$pc"))
for pc in pcs:
- assertEqual(self.hart.reset_vector, pc)
+ assertIn(pc, self.hart.reset_vectors)
# mcycle and minstret have no defined reset value.
mstatus = self.gdb.p("$mstatus")
assertEqual(mstatus & (MSTATUS_MIE | MSTATUS_MPRV |
self.exit()
class TooManyHwbp(DebugTest):
- def run(self):
+ def test(self):
for i in range(30):
self.gdb.hbreak("*rot13 + %d" % (i * 4))
self.gdb.p("i=0")
self.exit()
+class InterruptTest(GdbSingleHartTest):
+ compile_args = ("programs/interrupt.c",)
+
+ def early_applicable(self):
+ return self.target.supports_clint_mtime
+
+ def setup(self):
+ self.gdb.load()
+
+ def test(self):
+ self.gdb.b("main")
+ output = self.gdb.c()
+ assertIn(" main ", output)
+ self.gdb.b("trap_entry")
+ output = self.gdb.c()
+ assertIn(" trap_entry ", output)
+ assertEqual(self.gdb.p("$mip") & 0x80, 0x80)
+ assertEqual(self.gdb.p("interrupt_count"), 0)
+ # You'd expect local to still be 0, but it looks like spike doesn't
+ # jump to the interrupt handler immediately after the write to
+ # mtimecmp.
+ assertLess(self.gdb.p("local"), 1000)
+ self.gdb.command("delete breakpoints")
+ for _ in range(10):
+ self.gdb.c(wait=False)
+ time.sleep(2)
+ self.gdb.interrupt()
+ interrupt_count = self.gdb.p("interrupt_count")
+ local = self.gdb.p("local")
+ if interrupt_count > 1000 and \
+ local > 1000:
+ return
+
+ assertGreater(interrupt_count, 1000)
+ assertGreater(local, 1000)
+
+ def postMortem(self):
+ GdbSingleHartTest.postMortem(self)
+ self.gdb.p("*((long long*) 0x200bff8)")
+ self.gdb.p("*((long long*) 0x2004000)")
+ self.gdb.p("interrupt_count")
+ self.gdb.p("local")
+
class MulticoreRegTest(GdbTest):
compile_args = ("programs/infinite_loop.S", "-DMULTICORE")
def test(self):
# Run to main
+ # Hart 0 is the first to be resumed, so we have to set the breakpoint
+ # there. gdb won't actually set the breakpoint until we tell it to
+ # resume.
+ self.gdb.select_hart(self.target.harts[0])
self.gdb.b("main")
- self.gdb.c()
- for t in self.gdb.threads():
- assertIn("main", t.frame)
+ self.gdb.c_all()
+ for hart in self.target.harts:
+ self.gdb.select_hart(hart)
+ assertIn("main", self.gdb.where())
+ self.gdb.select_hart(self.target.harts[0])
self.gdb.command("delete breakpoints")
# Run through the entire loop.
self.gdb.b("main_end")
- self.gdb.c()
+ self.gdb.c_all()
hart_ids = []
- for t in self.gdb.threads():
- assertIn("main_end", t.frame)
+ for hart in self.target.harts:
+ self.gdb.select_hart(hart)
+ assertIn("main_end", self.gdb.where())
# Check register values.
- self.gdb.thread(t)
hart_id = self.gdb.p("$x1")
assertNotIn(hart_id, hart_ids)
hart_ids.append(hart_id)
self.gdb.select_hart(hart)
self.gdb.p("$x1=0x%x" % (hart.index * 0x800))
self.gdb.p("$pc=main_post_csrr")
- self.gdb.c()
- for t in self.gdb.threads():
- assertIn("main_end", t.frame)
+ self.gdb.c_all()
for hart in self.target.harts:
- # Check register values.
self.gdb.select_hart(hart)
+ assertIn("main", self.gdb.where())
+ # Check register values.
for n in range(1, 32):
value = self.gdb.p("$x%d" % n)
assertEqual(value, hart.index * 0x800 + n - 1)
def test(self):
previous_hart_count = [0 for h in self.target.harts]
+ previous_interrupt_count = [0 for h in self.target.harts]
for _ in range(10):
self.gdb.c(wait=False)
- time.sleep(1)
+ time.sleep(2)
self.gdb.interrupt()
+ self.gdb.p("$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()
if self.crc < 0:
self.crc += 2**32
- self.binary = self.hart.compile(self.download_c.name,
+ self.binary = self.target.compile(self.hart, self.download_c.name,
"programs/checksum.c")
self.gdb.command("file %s" % self.binary)