import targets
import testlib
-from testlib import assertEqual, assertNotEqual, assertIn
-from testlib import assertGreater, assertTrue, assertRegexpMatches, assertLess
+from testlib import assertEqual, assertNotEqual, assertIn, assertNotIn
+from testlib import assertGreater, assertRegexpMatches, assertLess
from testlib import GdbTest
MSTATUS_UIE = 0x00000001
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.target.ram
+ addrB = self.target.ram + self.target.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):
class InstantHaltTest(GdbTest):
def test(self):
- assertEqual(self.target.reset_vector, self.gdb.p("$pc"))
+ """Assert that reset is really resetting what it should."""
+ self.gdb.command("monitor reset halt")
+ self.gdb.command("flushregs")
+ threads = self.gdb.threads()
+ pcs = []
+ for t in threads:
+ self.gdb.thread(t)
+ pcs.append(self.gdb.p("$pc"))
+ for pc in pcs:
+ assertEqual(self.target.reset_vector, pc)
# mcycle and minstret have no defined reset value.
mstatus = self.gdb.p("$mstatus")
assertEqual(mstatus & (MSTATUS_MIE | MSTATUS_MPRV |
def test(self):
"""Change the PC right as we come out of reset."""
# 0x13 is nop
+ self.gdb.command("monitor reset halt")
+ self.gdb.command("flushregs")
self.gdb.command("p *((int*) 0x%x)=0x13" % self.target.ram)
self.gdb.command("p *((int*) 0x%x)=0x13" % (self.target.ram + 4))
self.gdb.command("p *((int*) 0x%x)=0x13" % (self.target.ram + 8))
last_pc = None
advances = 0
jumps = 0
- for _ in range(100):
+ for _ in range(10):
self.gdb.stepi()
pc = self.gdb.p("$pc")
assertNotEqual(last_pc, pc)
last_pc = pc
# Some basic sanity that we're not running between breakpoints or
# something.
- assertGreater(jumps, 10)
- assertGreater(advances, 50)
+ assertGreater(jumps, 1)
+ assertGreater(advances, 5)
class DebugExit(DebugTest):
def test(self):
if self.target.instruction_hardware_breakpoint_count < 1:
return 'not_applicable'
+ if not self.target.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")
+ self.gdb.c()
+
self.gdb.hbreak("rot13")
# The breakpoint should be hit exactly 2 times.
for _ in range(2):
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", )
+
+ def setup(self):
+ self.gdb.load()
+
+ def test(self):
+ threads = self.gdb.threads()
+ if len(threads) < 2:
+ return 'not_applicable'
+
+ for t in threads:
+ self.gdb.thread(t)
+ self.gdb.p("$pc=_start")
+
+ # Run to main
+ self.gdb.b("main")
+ self.gdb.c()
+ for t in self.gdb.threads():
+ assertIn("main", t.frame)
+ self.gdb.command("delete breakpoints")
+
+ # Run through the entire loop.
+ self.gdb.b("main_end")
+ self.gdb.c()
+
+ hart_ids = []
+ for t in self.gdb.threads():
+ assertIn("main_end", t.frame)
+ # Check register values.
+ self.gdb.thread(t)
+ hart_id = self.gdb.p("$x1")
+ assertNotIn(hart_id, hart_ids)
+ hart_ids.append(hart_id)
+ for n in range(2, 32):
+ value = self.gdb.p("$x%d" % n)
+ assertEqual(value, hart_ids[-1] + n - 1)
+
+ # Confirmed that we read different register values for different harts.
+ # Write a new value to x1, and run through the add sequence again.
+
+ for t in threads:
+ self.gdb.thread(t)
+ self.gdb.p("$x1=0x%x" % (int(t.id) * 0x800))
+ self.gdb.p("$pc=main_post_csrr")
+ self.gdb.c()
+ for t in self.gdb.threads():
+ assertIn("main_end", t.frame)
+ # Check register values.
+ self.gdb.thread(t)
+ for n in range(1, 32):
+ value = self.gdb.p("$x%d" % n)
+ assertEqual(value, int(t.id) * 0x800 + n - 1)
+
class StepTest(GdbTest):
compile_args = ("programs/step.S", )
assertEqual(self.gdb.p("$a0"), self.gdb.p("&data"))
class TriggerDmode(TriggerTest):
+ def early_applicable(self):
+ return self.target.honors_tdata1_hmode
+
def check_triggers(self, tdata1_lsbs, tdata2):
dmode = 1 << (self.target.xlen-5)
class DownloadTest(GdbTest):
def setup(self):
# pylint: disable=attribute-defined-outside-init
- length = min(2**20, self.target.ram_size - 2048)
+ length = min(2**10, self.target.ram_size - 2048)
self.download_c = tempfile.NamedTemporaryFile(prefix="download_",
suffix=".c", delete=False)
self.download_c.write("#include <stdint.h>\n")
# TODO: remove global
global parsed # pylint: disable=global-statement
parsed = parser.parse_args()
+ target = targets.target(parsed)
- target = parsed.target(parsed.server_cmd, parsed.sim_cmd, parsed.isolate)
if parsed.xlen:
target.xlen = parsed.xlen
projects / riscv-tests.git / blobdiff