import testlib
from testlib import assertEqual, assertNotEqual, assertIn, assertNotIn
from testlib import assertGreater, assertRegexpMatches, assertLess
-from testlib import GdbTest, GdbSingleHartTest, TestFailed, assertTrue
+from testlib import GdbTest, GdbSingleHartTest, TestFailed
+from testlib import assertTrue
MSTATUS_UIE = 0x00000001
MSTATUS_SIE = 0x00000002
class SimpleF18Test(SimpleRegisterTest):
def check_reg(self, name, alias):
- self.gdb.p_raw("$mstatus=$mstatus | 0x00006000")
- self.gdb.stepi()
- a = random.random()
- b = random.random()
- self.gdb.p_raw("$%s=%f" % (name, a))
- assertLess(abs(float(self.gdb.p_raw("$%s" % alias)) - a), .001)
- self.gdb.stepi()
- assertLess(abs(float(self.gdb.p_raw("$%s" % name)) - a), .001)
- assertLess(abs(float(self.gdb.p_raw("$%s" % alias)) - a), .001)
- self.gdb.p_raw("$%s=%f" % (alias, b))
- assertLess(abs(float(self.gdb.p_raw("$%s" % name)) - b), .001)
- self.gdb.stepi()
- assertLess(abs(float(self.gdb.p_raw("$%s" % name)) - b), .001)
- assertLess(abs(float(self.gdb.p_raw("$%s" % alias)) - b), .001)
+ if self.hart.extensionSupported('F'):
+ self.gdb.p_raw("$mstatus=$mstatus | 0x00006000")
+ self.gdb.stepi()
+ a = random.random()
+ b = random.random()
+ self.gdb.p_raw("$%s=%f" % (name, a))
+ assertLess(abs(float(self.gdb.p_raw("$%s" % alias)) - a), .001)
+ self.gdb.stepi()
+ assertLess(abs(float(self.gdb.p_raw("$%s" % name)) - a), .001)
+ assertLess(abs(float(self.gdb.p_raw("$%s" % alias)) - a), .001)
+ self.gdb.p_raw("$%s=%f" % (alias, b))
+ assertLess(abs(float(self.gdb.p_raw("$%s" % name)) - b), .001)
+ self.gdb.stepi()
+ assertLess(abs(float(self.gdb.p_raw("$%s" % name)) - b), .001)
+ assertLess(abs(float(self.gdb.p_raw("$%s" % alias)) - b), .001)
- def early_applicable(self):
- return self.hart.extensionSupported('F')
+ size = self.gdb.p("sizeof($%s)" % name)
+ if self.hart.extensionSupported('D'):
+ assertEqual(size, 8)
+ else:
+ assertEqual(size, 4)
+ else:
+ output = self.gdb.p_raw("$" + name)
+ assertEqual(output, "void")
+ output = self.gdb.p_raw("$" + alias)
+ assertEqual(output, "void")
def test(self):
self.check_reg("f18", "fs2")
+class CustomRegisterTest(SimpleRegisterTest):
+ def early_applicable(self):
+ return self.target.implements_custom_test
+
+ def check_custom(self, magic):
+ regs = {k: v for k, v in self.gdb.info_registers("all").iteritems()
+ if k.startswith("custom")}
+ assertEqual(set(regs.keys()),
+ set(("custom1",
+ "custom12345",
+ "custom12346",
+ "custom12347",
+ "custom12348")))
+ for name, value in regs.iteritems():
+ number = int(name[6:])
+ if number % 2:
+ expect = number + magic
+ assertIn(value, (expect, expect + (1<<32)))
+ else:
+ assertIn("Could not fetch register", value)
+
+ def test(self):
+ self.check_custom(0)
+
+ # Now test writing
+ magic = 6667
+ self.gdb.p("$custom12345=%d" % (12345 + magic))
+ self.gdb.stepi()
+
+ self.check_custom(magic)
+
+class SimpleNoExistTest(GdbTest):
+ def test(self):
+ try:
+ self.gdb.p("$csr2288")
+ assert False, "Reading csr2288 should have failed"
+ except testlib.CouldNotFetch:
+ pass
+ try:
+ self.gdb.p("$csr2288=5")
+ assert False, "Writing csr2288 should have failed"
+ except testlib.CouldNotFetch:
+ pass
+
class SimpleMemoryTest(GdbTest):
def access_test(self, size, data_type):
assertEqual(self.gdb.p("sizeof(%s)" % data_type), size)
output = self.gdb.command(cmd)
for reg in ('zero', 'ra', 'sp', 'gp', 'tp'):
assertIn(reg, output)
+ for line in output.splitlines():
+ assertRegexpMatches(line, r"^\S")
#TODO
# mcpuid is one of the few registers that should have the high bit set
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("$pc")
+# assertNotEqual(pc, stepped_pc)
+# previous_hart_count = hart_count
+# previous_interrupt_count = interrupt_count
+# if ok:
+# break
+# else:
+# assert False, \
+# "hart count or interrupt didn't increment as expected"
+
+class MulticoreRunAllHaltOne(GdbTest):
compile_args = ("programs/multicore.c", "-DMULTICORE")
def early_applicable(self):
return len(self.target.harts) > 1
def setup(self):
+ self.gdb.select_hart(self.target.harts[0])
self.gdb.load()
for hart in self.target.harts:
self.gdb.select_hart(hart)
self.gdb.p("$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):
+ 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)
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 StepTest(GdbTest):
+
+ 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):
+ 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("$pc=_start")
+
+ def test(self):
+ if self.gdb.one_hart_per_gdb():
+ return 'not_applicable'
+
+ # Set breakpoint near '_start' label to increase the chances of a
+ # situation when all harts hit breakpoint immediately and
+ # simultaneously.
+ self.gdb.b("set_trap_handler")
+
+ # Check that all harts hit breakpoint one by one.
+ for _ in range(len(self.target.harts)):
+ output = self.gdb.c()
+ assertIn("hit Breakpoint", output)
+ assertIn("set_trap_handler", output)
+ assertNotIn("received signal SIGTRAP", output)
+
+class StepTest(GdbSingleHartTest):
compile_args = ("programs/step.S", )
def setup(self):
pc = self.gdb.p("$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.command("b just_before_read_loop")
self.gdb.c()
read_loop = self.gdb.p("&read_loop")
- self.gdb.command("rwatch data")
+ read_again = self.gdb.p("&read_again")
+ 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("$pc"), [read_loop, read_loop + 4])
assertEqual(self.gdb.p("$a0"), self.gdb.p("&data"))
+ self.gdb.c()
+ assertIn(self.gdb.p("$pc"), [read_again, read_again + 4])
+ assertEqual(self.gdb.p("$a0"), self.gdb.p("&data"))
+
# FIXME: Triggers aren't quite working yet
#class TriggerStoreAddress(TriggerTest):
# def test(self):
self.gdb.command("b just_before_write_loop")
self.gdb.c()
write_loop = self.gdb.p("&write_loop")
- self.gdb.command("watch data")
- self.gdb.c()
+ data = self.gdb.p("&data")
+ self.gdb.command("watch *0x%x" % data)
+ output = self.gdb.c()
+ if "_exit (status=0)" in output:
+ # We ran to _exit. It looks as if we didn't hit the trigger at all.
+ # However this can be "correct" behavior. gdb's definition of
+ # "watch" is to run until the value in memory changes. To do this
+ # it reads the memory value when the trigger is set, and then when
+ # the halt happens. Because our triggers can fire just before the
+ # write happens, when gdb does this check the memory hasn't
+ # changed. So it silently resumes running.
+ # https://github.com/riscv/riscv-openocd/issues/295 tracks this
+ # problem. Until it's fixed, we're going to allow running to _exit.
+ return
+
# Accept hitting the breakpoint before or after the store instruction.
assertIn(self.gdb.p("$pc"), [write_loop, write_loop + 4])
assertEqual(self.gdb.p("$a0"), self.gdb.p("&data"))
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(timeout=60)
+ 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
self.supported.add(2)
self.supported.add(3)
+ # Disable physical memory protection by allowing U mode access to all
+ # memory.
+ try:
+ self.gdb.p("$pmpcfg0=0xf") # TOR, R, W, X
+ self.gdb.p("$pmpaddr0=0x%x" %
+ ((self.hart.ram + self.hart.ram_size) >> 2))
+ except testlib.CouldNotFetch:
+ # PMP registers are optional
+ pass
+
+ # Ensure Virtual Memory is disabled if applicable (SATP register is not
+ # reset)
+ try:
+ self.gdb.p("$satp=0")
+ except testlib.CouldNotFetch:
+ # SATP only exists if you have S mode.
+ pass
+
class PrivRw(PrivTest):
def test(self):
"""Test reading/writing priv."""
+ # Leave the PC at _start, where the first 4 instructions should be
+ # legal in any mode.
for privilege in range(4):
self.gdb.p("$priv=%d" % privilege)
self.gdb.stepi()
global parsed # pylint: disable=global-statement
parsed = parser.parse_args()
target = targets.target(parsed)
-
testlib.print_log_names = parsed.print_log_names
- if parsed.xlen:
- target.xlen = parsed.xlen
-
module = sys.modules[__name__]
return testlib.run_all_tests(module, target, parsed)
projects / riscv-tests.git / blobdiff