import testlib
from testlib import assertEqual, assertNotEqual, assertIn, assertNotIn
from testlib import assertGreater, assertRegexpMatches, assertLess
-from testlib import GdbTest
+from testlib import GdbTest, GdbSingleHartTest, TestFailed, assertTrue
MSTATUS_UIE = 0x00000001
MSTATUS_SIE = 0x00000002
return "".join("%02x" % ord(c) for c in s)
class SimpleRegisterTest(GdbTest):
- def check_reg(self, name):
- a = random.randrange(1<<self.target.xlen)
- b = random.randrange(1<<self.target.xlen)
+ def check_reg(self, name, alias):
+ a = random.randrange(1<<self.hart.xlen)
+ b = random.randrange(1<<self.hart.xlen)
self.gdb.p("$%s=0x%x" % (name, a))
+ assertEqual(self.gdb.p("$%s" % alias), a)
self.gdb.stepi()
assertEqual(self.gdb.p("$%s" % name), a)
- self.gdb.p("$%s=0x%x" % (name, b))
+ assertEqual(self.gdb.p("$%s" % alias), a)
+ self.gdb.p("$%s=0x%x" % (alias, b))
+ assertEqual(self.gdb.p("$%s" % name), b)
self.gdb.stepi()
assertEqual(self.gdb.p("$%s" % name), b)
+ assertEqual(self.gdb.p("$%s" % alias), b)
def setup(self):
# 0x13 is nop
- self.gdb.command("p *((int*) 0x%x)=0x13" % self.target.ram)
- self.gdb.command("p *((int*) 0x%x)=0x13" % (self.target.ram + 4))
- self.gdb.command("p *((int*) 0x%x)=0x13" % (self.target.ram + 8))
- self.gdb.command("p *((int*) 0x%x)=0x13" % (self.target.ram + 12))
- self.gdb.command("p *((int*) 0x%x)=0x13" % (self.target.ram + 16))
- self.gdb.p("$pc=0x%x" % self.target.ram)
+ self.gdb.command("p *((int*) 0x%x)=0x13" % self.hart.ram)
+ self.gdb.command("p *((int*) 0x%x)=0x13" % (self.hart.ram + 4))
+ self.gdb.command("p *((int*) 0x%x)=0x13" % (self.hart.ram + 8))
+ self.gdb.command("p *((int*) 0x%x)=0x13" % (self.hart.ram + 12))
+ self.gdb.command("p *((int*) 0x%x)=0x13" % (self.hart.ram + 16))
+ self.gdb.p("$pc=0x%x" % self.hart.ram)
class SimpleS0Test(SimpleRegisterTest):
def test(self):
- self.check_reg("s0")
+ self.check_reg("s0", "x8")
class SimpleS1Test(SimpleRegisterTest):
def test(self):
- self.check_reg("s1")
+ self.check_reg("s1", "x9")
class SimpleT0Test(SimpleRegisterTest):
def test(self):
- self.check_reg("t0")
+ self.check_reg("t0", "x5")
class SimpleT1Test(SimpleRegisterTest):
def test(self):
- self.check_reg("t1")
+ self.check_reg("t1", "x6")
class SimpleF18Test(SimpleRegisterTest):
- def check_reg(self, name):
+ def check_reg(self, name, alias):
self.gdb.p_raw("$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)
- self.gdb.p_raw("$%s=%f" % (name, b))
+ assertLess(abs(float(self.gdb.p_raw("$%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.target.extensionSupported('F')
+ return self.hart.extensionSupported('F')
def test(self):
- self.check_reg("f18")
+ self.check_reg("f18", "fs2")
class SimpleMemoryTest(GdbTest):
def access_test(self, size, data_type):
assertEqual(self.gdb.p("sizeof(%s)" % data_type), size)
a = 0x86753095555aaaa & ((1<<(size*8))-1)
b = 0xdeadbeef12345678 & ((1<<(size*8))-1)
- self.gdb.p("*((%s*)0x%x) = 0x%x" % (data_type, self.target.ram, a))
- self.gdb.p("*((%s*)0x%x) = 0x%x" % (data_type, self.target.ram + size,
- b))
- assertEqual(self.gdb.p("*((%s*)0x%x)" % (data_type, self.target.ram)),
- a)
- assertEqual(self.gdb.p("*((%s*)0x%x)" % (
- data_type, self.target.ram + size)), b)
+ addrA = self.hart.ram
+ addrB = self.hart.ram + self.hart.ram_size - size
+ self.gdb.p("*((%s*)0x%x) = 0x%x" % (data_type, addrA, a))
+ self.gdb.p("*((%s*)0x%x) = 0x%x" % (data_type, addrB, b))
+ assertEqual(self.gdb.p("*((%s*)0x%x)" % (data_type, addrA)), a)
+ assertEqual(self.gdb.p("*((%s*)0x%x)" % (data_type, addrB)), b)
class MemTest8(SimpleMemoryTest):
def test(self):
# assert False, "Read should have failed."
# except testlib.CannotAccess as e:
# assertEqual(e.address, 0xdeadbeef)
-# self.gdb.p("*((int*)0x%x)" % self.target.ram)
+# self.gdb.p("*((int*)0x%x)" % self.hart.ram)
#
#class MemTestWriteInvalid(SimpleMemoryTest):
# def test(self):
# assert False, "Write should have failed."
# except testlib.CannotAccess as e:
# assertEqual(e.address, 0xdeadbeef)
-# self.gdb.p("*((int*)0x%x)=6874742" % self.target.ram)
+# self.gdb.p("*((int*)0x%x)=6874742" % self.hart.ram)
class MemTestBlock(GdbTest):
+ length = 1024
+ line_length = 16
+
def test(self):
- length = 1024
- line_length = 16
a = tempfile.NamedTemporaryFile(suffix=".ihex")
data = ""
- for i in range(length / line_length):
+ for i in range(self.length / self.line_length):
line_data = "".join(["%c" % random.randrange(256)
- for _ in range(line_length)])
+ for _ in range(self.line_length)])
data += line_data
- a.write(ihex_line(i * line_length, 0, line_data))
+ a.write(ihex_line(i * self.line_length, 0, line_data))
a.flush()
- self.gdb.command("restore %s 0x%x" % (a.name, self.target.ram))
- for offset in range(0, length, 19*4) + [length-4]:
- value = self.gdb.p("*((int*)0x%x)" % (self.target.ram + offset))
+ self.gdb.command("shell cat %s" % a.name)
+ self.gdb.command("restore %s 0x%x" % (a.name, self.hart.ram))
+ increment = 19 * 4
+ for offset in range(0, self.length, increment) + [self.length-4]:
+ value = self.gdb.p("*((int*)0x%x)" % (self.hart.ram + offset))
written = ord(data[offset]) | \
(ord(data[offset+1]) << 8) | \
(ord(data[offset+2]) << 16) | \
b = tempfile.NamedTemporaryFile(suffix=".ihex")
self.gdb.command("dump ihex memory %s 0x%x 0x%x" % (b.name,
- self.target.ram, self.target.ram + length))
- for line in b:
+ self.hart.ram, self.hart.ram + self.length))
+ self.gdb.command("shell cat %s" % b.name)
+ for line in b.xreadlines():
record_type, address, line_data = ihex_parse(line)
if record_type == 0:
- assertEqual(readable_binary_string(line_data),
- readable_binary_string(
- data[address:address+len(line_data)]))
+ written_data = data[address:address+len(line_data)]
+ if line_data != written_data:
+ raise TestFailed(
+ "Data mismatch at 0x%x; wrote %s but read %s" % (
+ address, readable_binary_string(written_data),
+ readable_binary_string(line_data)))
class InstantHaltTest(GdbTest):
def test(self):
self.gdb.thread(t)
pcs.append(self.gdb.p("$pc"))
for pc in pcs:
- assertEqual(self.target.reset_vector, pc)
+ assertIn(pc, self.hart.reset_vectors)
# mcycle and minstret have no defined reset value.
mstatus = self.gdb.p("$mstatus")
assertEqual(mstatus & (MSTATUS_MIE | MSTATUS_MPRV |
# 0x13 is nop
self.gdb.command("monitor reset halt")
self.gdb.command("flushregs")
- self.gdb.command("p *((int*) 0x%x)=0x13" % self.target.ram)
- self.gdb.command("p *((int*) 0x%x)=0x13" % (self.target.ram + 4))
- self.gdb.command("p *((int*) 0x%x)=0x13" % (self.target.ram + 8))
- self.gdb.p("$pc=0x%x" % self.target.ram)
+ self.gdb.command("p *((int*) 0x%x)=0x13" % self.hart.ram)
+ self.gdb.command("p *((int*) 0x%x)=0x13" % (self.hart.ram + 4))
+ self.gdb.command("p *((int*) 0x%x)=0x13" % (self.hart.ram + 8))
+ self.gdb.p("$pc=0x%x" % self.hart.ram)
self.gdb.stepi()
- assertEqual((self.target.ram + 4), self.gdb.p("$pc"))
+ assertEqual((self.hart.ram + 4), self.gdb.p("$pc"))
self.gdb.stepi()
- assertEqual((self.target.ram + 8), self.gdb.p("$pc"))
+ assertEqual((self.hart.ram + 8), self.gdb.p("$pc"))
-class DebugTest(GdbTest):
+class DebugTest(GdbSingleHartTest):
# Include malloc so that gdb can make function calls. I suspect this malloc
# will silently blow through the memory set aside for it, so be careful.
compile_args = ("programs/debug.c", "programs/checksum.c",
class Hwbp1(DebugTest):
def test(self):
- if self.target.instruction_hardware_breakpoint_count < 1:
+ if self.hart.instruction_hardware_breakpoint_count < 1:
return 'not_applicable'
- if not self.target.honors_tdata1_hmode:
+ if not self.hart.honors_tdata1_hmode:
# Run to main before setting the breakpoint, because startup code
# will otherwise clear the trigger that we set.
self.gdb.b("main")
class Hwbp2(DebugTest):
def test(self):
- if self.target.instruction_hardware_breakpoint_count < 2:
+ if self.hart.instruction_hardware_breakpoint_count < 2:
return 'not_applicable'
self.gdb.hbreak("main")
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.c()
self.gdb.p("i=123")
self.gdb.c(wait=False)
- time.sleep(0.5)
+ time.sleep(2)
output = self.gdb.interrupt()
assert "main" in output
assertGreater(self.gdb.p("j"), 10)
self.gdb.p("i=0")
self.exit()
-class MulticoreTest(GdbTest):
- compile_args = ("programs/infinite_loop.S", )
+class InterruptTest(GdbSingleHartTest):
+ compile_args = ("programs/interrupt.c",)
+
+ def early_applicable(self):
+ return self.target.supports_clint_mtime
def setup(self):
self.gdb.load()
- self.gdb.b("main")
- self.gdb.b("main_end")
- self.gdb.command("set non-stop on")
- self.gdb.c()
def test(self):
- threads = self.gdb.threads()
- if len(threads) < 2:
- return 'not_applicable'
- # Run through the entire loop.
- for t in threads:
- self.gdb.thread(t)
+ 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("$mip") & 0x80, 0x80)
+ assertEqual(self.gdb.p("interrupt_count"), 0)
+ # You'd expect local to still be 0, but it looks like spike doesn't
+ # jump to the interrupt handler immediately after the write to
+ # mtimecmp.
+ assertLess(self.gdb.p("local"), 1000)
+ self.gdb.command("delete breakpoints")
+ for _ in range(10):
+ self.gdb.c(wait=False)
+ time.sleep(2)
+ self.gdb.interrupt()
+ interrupt_count = self.gdb.p("interrupt_count")
+ local = self.gdb.p("local")
+ if interrupt_count > 1000 and \
+ local > 1000:
+ return
+
+ assertGreater(interrupt_count, 1000)
+ assertGreater(local, 1000)
+
+ def postMortem(self):
+ GdbSingleHartTest.postMortem(self)
+ self.gdb.p("*((long long*) 0x200bff8)")
+ self.gdb.p("*((long long*) 0x2004000)")
+ self.gdb.p("interrupt_count")
+ self.gdb.p("local")
+
+class MulticoreRegTest(GdbTest):
+ compile_args = ("programs/infinite_loop.S", "-DMULTICORE")
+
+ def early_applicable(self):
+ return len(self.target.harts) > 1
+
+ def setup(self):
+ self.gdb.load()
+ for hart in self.target.harts:
+ self.gdb.select_hart(hart)
self.gdb.p("$pc=_start")
+
+ def test(self):
# Run to main
- for t in threads:
- self.gdb.thread(t)
+ for hart in self.target.harts:
+ self.gdb.select_hart(hart)
+ self.gdb.b("main")
self.gdb.c()
- for t in self.gdb.threads():
- assertIn("main", t.frame)
- # Run to end
- for t in threads:
- self.gdb.thread(t)
+ assertIn("main", self.gdb.where())
+ self.gdb.command("delete breakpoints")
+
+ # Run through the entire loop.
+ for hart in self.target.harts:
+ self.gdb.select_hart(hart)
+ self.gdb.b("main_end")
self.gdb.c()
+ assertIn("main_end", self.gdb.where())
+
hart_ids = []
- for t in self.gdb.threads():
- assertIn("main_end", t.frame)
+ for hart in self.target.harts:
+ self.gdb.select_hart(hart)
# Check register values.
- self.gdb.thread(t)
hart_id = self.gdb.p("$x1")
assertNotIn(hart_id, hart_ids)
hart_ids.append(hart_id)
# Confirmed that we read different register values for different harts.
# Write a new value to x1, and run through the add sequence again.
- # This part isn't working right, because gdb doesn't resume Thread 2
- # when asked. I don't know the root cause for that, but up to this
- # point the test is still useful.
-
-# for t in threads:
-# self.gdb.thread(t)
-# self.gdb.p("$x1=0x%x" % (int(t.id) + 0x800))
-# self.gdb.p("$pc=main_post_csrr")
-# for t in threads:
-# self.gdb.thread(t)
-# self.gdb.c()
-# for t in self.gdb.threads():
-# assertIn("main_end", t.frame)
-# # Check register values.
-# self.gdb.thread(t)
-# for n in range(1, 32):
-# value = self.gdb.p("$x%d" % n)
-# assertEqual(value, int(t.id) + 0x800 + n - 1)
+ for hart in self.target.harts:
+ 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 hart in self.target.harts:
+ self.gdb.select_hart(hart)
+ assertIn("main", self.gdb.where())
+ # Check register values.
+ for n in range(1, 32):
+ value = self.gdb.p("$x%d" % n)
+ assertEqual(value, hart.index * 0x800 + n - 1)
+
+class MulticoreRunHaltStepiTest(GdbTest):
+ compile_args = ("programs/multicore.c", "-DMULTICORE")
+
+ def early_applicable(self):
+ return len(self.target.harts) > 1
+
+ def setup(self):
+ self.gdb.load()
+ for hart in self.target.harts:
+ self.gdb.select_hart(hart)
+ self.gdb.p("$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 StepTest(GdbTest):
compile_args = ("programs/step.S", )
def test(self):
main_address = self.gdb.p("$pc")
- if self.target.extensionSupported("c"):
+ if self.hart.extensionSupported("c"):
sequence = (4, 8, 0xc, 0xe, 0x14, 0x18, 0x22, 0x1c, 0x24, 0x24)
else:
sequence = (4, 8, 0xc, 0x10, 0x18, 0x1c, 0x28, 0x20, 0x2c, 0x2c)
class TriggerDmode(TriggerTest):
def early_applicable(self):
- return self.target.honors_tdata1_hmode
+ return self.hart.honors_tdata1_hmode
def check_triggers(self, tdata1_lsbs, tdata2):
- dmode = 1 << (self.target.xlen-5)
+ dmode = 1 << (self.hart.xlen-5)
triggers = []
- if self.target.xlen == 32:
+ if self.hart.xlen == 32:
xlen_type = 'int'
- elif self.target.xlen == 64:
+ elif self.hart.xlen == 64:
xlen_type = 'long long'
else:
raise NotImplementedError
self.gdb.command("info registers")
for n in range(len(regs)):
assertEqual(self.gdb.x("data+%d" % (8*n), 'g'),
- ((0xdeadbeef<<n)+17) & ((1<<self.target.xlen)-1))
+ ((0xdeadbeef<<n)+17) & ((1<<self.hart.xlen)-1))
class WriteCsrs(RegsTest):
def test(self):
class DownloadTest(GdbTest):
def setup(self):
# pylint: disable=attribute-defined-outside-init
- length = min(2**10, self.target.ram_size - 2048)
+ length = min(2**10, self.hart.ram_size - 2048)
self.download_c = tempfile.NamedTemporaryFile(prefix="download_",
suffix=".c", delete=False)
self.download_c.write("#include <stdint.h>\n")
if self.crc < 0:
self.crc += 2**32
- self.binary = self.target.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)
assertEqual(self.gdb.p("status"), self.crc)
os.unlink(self.download_c.name)
-# FIXME: PRIV isn't implemented in the current OpenOCD
#class MprvTest(GdbTest):
# compile_args = ("programs/mprv.S", )
# def setup(self):
# self.gdb.interrupt()
# output = self.gdb.command("p/x *(int*)(((char*)&data)-0x80000000)")
# assertIn("0xbead", output)
-#
-#class PrivTest(GdbTest):
-# compile_args = ("programs/priv.S", )
-# def setup(self):
-# # pylint: disable=attribute-defined-outside-init
-# self.gdb.load()
-#
-# misa = self.target.misa
-# self.supported = set()
-# if misa & (1<<20):
-# self.supported.add(0)
-# if misa & (1<<18):
-# self.supported.add(1)
-# if misa & (1<<7):
-# self.supported.add(2)
-# self.supported.add(3)
-#
-#class PrivRw(PrivTest):
-# def test(self):
-# """Test reading/writing priv."""
-# for privilege in range(4):
-# self.gdb.p("$priv=%d" % privilege)
-# self.gdb.stepi()
-# actual = self.gdb.p("$priv")
-# assertIn(actual, self.supported)
-# if privilege in self.supported:
-# assertEqual(actual, privilege)
-#
-#class PrivChange(PrivTest):
-# def test(self):
-# """Test that the core's privilege level actually changes."""
-#
-# if 0 not in self.supported:
-# return 'not_applicable'
-#
-# self.gdb.b("main")
-# self.gdb.c()
-#
-# # Machine mode
-# self.gdb.p("$priv=3")
-# main_address = self.gdb.p("$pc")
-# self.gdb.stepi()
-# assertEqual("%x" % self.gdb.p("$pc"), "%x" % (main_address+4))
-#
-# # User mode
-# self.gdb.p("$priv=0")
-# self.gdb.stepi()
-# # Should have taken an exception, so be nowhere near main.
-# pc = self.gdb.p("$pc")
-# assertTrue(pc < main_address or pc > main_address + 0x100)
+
+class PrivTest(GdbTest):
+ compile_args = ("programs/priv.S", )
+ def setup(self):
+ # pylint: disable=attribute-defined-outside-init
+ self.gdb.load()
+
+ misa = self.hart.misa
+ self.supported = set()
+ if misa & (1<<20):
+ self.supported.add(0)
+ if misa & (1<<18):
+ self.supported.add(1)
+ if misa & (1<<7):
+ self.supported.add(2)
+ self.supported.add(3)
+
+class PrivRw(PrivTest):
+ def test(self):
+ """Test reading/writing priv."""
+ for privilege in range(4):
+ self.gdb.p("$priv=%d" % privilege)
+ self.gdb.stepi()
+ actual = self.gdb.p("$priv")
+ assertIn(actual, self.supported)
+ if privilege in self.supported:
+ assertEqual(actual, privilege)
+
+class PrivChange(PrivTest):
+ def test(self):
+ """Test that the core's privilege level actually changes."""
+
+ if 0 not in self.supported:
+ return 'not_applicable'
+
+ self.gdb.b("main")
+ self.gdb.c()
+
+ # Machine mode
+ self.gdb.p("$priv=3")
+ main_address = self.gdb.p("$pc")
+ self.gdb.stepi()
+ assertEqual("%x" % self.gdb.p("$pc"), "%x" % (main_address+4))
+
+ # User mode
+ self.gdb.p("$priv=0")
+ self.gdb.stepi()
+ # Should have taken an exception, so be nowhere near main.
+ pc = self.gdb.p("$pc")
+ assertTrue(pc < main_address or pc > main_address + 0x100)
parsed = None
def main():
projects / riscv-tests.git / blobdiff