pylint --rcfile=pylint.rc *.py
%.log:
- $(GDBSERVER_PY) --isolate --$(subst .log,,$@) --cmd $(RISCV_SIM) \
+ $(GDBSERVER_PY) --isolate --$(subst .log,,$@) \
> $@ 2>&1 || (sed s/^/$@:\ / $@ && false)
clean:
import sys
import tempfile
import time
+import os
import targets
import testlib
def setup(self):
# pylint: disable=attribute-defined-outside-init
length = min(2**20, self.target.ram_size - 2048)
- download_c = tempfile.NamedTemporaryFile(prefix="download_",
- suffix=".c")
- download_c.write("#include <stdint.h>\n")
- download_c.write(
+ self.download_c = tempfile.NamedTemporaryFile(prefix="download_",
+ suffix=".c", delete=False)
+ self.download_c.write("#include <stdint.h>\n")
+ self.download_c.write(
"unsigned int crc32a(uint8_t *message, unsigned int size);\n")
- download_c.write("uint32_t length = %d;\n" % length)
- download_c.write("uint8_t d[%d] = {\n" % length)
+ self.download_c.write("uint32_t length = %d;\n" % length)
+ self.download_c.write("uint8_t d[%d] = {\n" % length)
self.crc = 0
+ assert length % 16 == 0
for i in range(length / 16):
- download_c.write(" /* 0x%04x */ " % (i * 16))
+ self.download_c.write(" /* 0x%04x */ " % (i * 16))
for _ in range(16):
value = random.randrange(1<<8)
- download_c.write("%d, " % value)
+ self.download_c.write("0x%02x, " % value)
self.crc = binascii.crc32("%c" % value, self.crc)
- download_c.write("\n")
- download_c.write("};\n")
- download_c.write("uint8_t *data = &d[0];\n")
- download_c.write("uint32_t main() { return crc32a(data, length); }\n")
- download_c.flush()
+ self.download_c.write("\n")
+ self.download_c.write("};\n")
+ self.download_c.write("uint8_t *data = &d[0];\n")
+ self.download_c.write(
+ "uint32_t main() { return crc32a(data, length); }\n")
+ self.download_c.flush()
if self.crc < 0:
self.crc += 2**32
- self.binary = self.target.compile(download_c.name,
+ self.binary = self.target.compile(self.download_c.name,
"programs/checksum.c")
self.gdb.command("file %s" % self.binary)
def test(self):
self.gdb.load()
self.gdb.command("b _exit")
- self.gdb.c()
+ self.gdb.c(timeout=60)
assertEqual(self.gdb.p("status"), self.crc)
+ os.unlink(self.download_c.name)
class MprvTest(GdbTest):
compile_args = ("programs/mprv.S", )
ram_size = 5 * 1024 * 1024
instruction_hardware_breakpoint_count = 4
reset_vector = 0x1000
+ openocd_config = "targets/%s/openocd.cfg" % directory
class Spike64Target(SpikeTarget):
name = "spike64"
xlen = 64
use_fpu = True
- def server(self):
+ def target(self):
return testlib.Spike(self.cmd, halted=True)
class Spike32Target(SpikeTarget):
name = "spike32"
xlen = 32
- def server(self):
+ def target(self):
return testlib.Spike(self.cmd, halted=True, xlen=32)
class FreedomE300Target(Target):
--- /dev/null
+adapter_khz 10000
+
+interface remote_bitbang
+remote_bitbang_host $::env(REMOTE_BITBANG_HOST)
+remote_bitbang_port $::env(REMOTE_BITBANG_PORT)
+
+set _CHIPNAME riscv
+jtag newtap $_CHIPNAME cpu -irlen 5 -expected-id 0x10e31913
+
+set _TARGETNAME $_CHIPNAME.cpu
+target create $_TARGETNAME riscv -chain-position $_TARGETNAME
+
+gdb_report_data_abort enable
+
+init
+
+halt
class Spike(object):
logname = "spike.log"
- def __init__(self, cmd, binary=None, halted=False, with_gdb=True,
+ def __init__(self, cmd, binary=None, halted=False, with_jtag_gdb=True,
timeout=None, xlen=64):
"""Launch spike. Return tuple of its process and the port it's running
on."""
if halted:
cmd.append('-H')
- if with_gdb:
- self.port = unused_port()
- cmd += ['--gdb-port', str(self.port)]
+ if with_jtag_gdb:
+ cmd += ['--rbb-port', '0']
+ os.environ['REMOTE_BITBANG_HOST'] = 'localhost'
cmd.append("-m32")
cmd.append('pk')
if binary:
self.process = subprocess.Popen(cmd, stdin=subprocess.PIPE,
stdout=logfile, stderr=logfile)
+ if with_jtag_gdb:
+ self.port = None
+ for _ in range(30):
+ m = re.search(r"Listening for remote bitbang connection on "
+ r"port (\d+).", open(self.logname).read())
+ if m:
+ self.port = int(m.group(1))
+ os.environ['REMOTE_BITBANG_PORT'] = m.group(1)
+ break
+ time.sleep(0.11)
+ assert self.port, "Didn't get spike message about bitbang " \
+ "connection"
+
def __del__(self):
try:
self.process.kill()
if cmd:
cmd = shlex.split(cmd)
else:
- cmd = ["openocd"]
- if config:
- cmd += ["-f", find_file(config)]
- if debug:
- cmd.append("-d")
+ cmd = ["openocd", "-d"]
# This command needs to come before any config scripts on the command
# line, since they are executed in order.
- cmd[1:1] = [
+ cmd += [
# Tell OpenOCD to bind gdb to an unused, ephemeral port.
"--command",
"gdb_port 0",
"telnet_port disabled",
]
+ if config:
+ f = find_file(config)
+ if f is None:
+ print("Unable to read file " + config)
+ exit(1)
+
+ cmd += ["-f", f]
+ if debug:
+ cmd.append("-d")
+
logfile = open(Openocd.logname, "w")
logfile.write("+ %s\n" % " ".join(cmd))
logfile.flush()
self.child.expect(r"\(gdb\)", timeout=timeout)
return self.child.before.strip()
- def c(self, wait=True):
+ def c(self, wait=True, timeout=-1):
if wait:
- output = self.command("c")
+ output = self.command("c", timeout=timeout)
assert "Continuing" in output
return output
else:
.word 0
j fail
+ # Skip the rest of the test if S-mode is not present.
+ li t0, MSTATUS_MPP
+ csrc mstatus, t0
+ li t1, (MSTATUS_MPP & -MSTATUS_MPP) * PRV_S
+ csrs mstatus, t1
+ csrr t2, mstatus
+ and t2, t2, t0
+ bne t1, t2, pass
+
# Test vectored interrupts if they are supported.
test_vectored_interrupts:
csrwi mip, MIP_SSIP
csrsi mstatus, MSTATUS_MIE
1:
j 1b
-
msip:
csrw mtvec, s0
- # Skip the rest of the test if S-mode is not present.
- li t0, MSTATUS_MPP
- csrc mstatus, t0
- li t1, (MSTATUS_MPP & -MSTATUS_MPP) * PRV_S
- csrs mstatus, t1
- csrr t2, mstatus
- and t2, t2, t0
- bne t1, t2, pass
-
# Delegate supervisor software interrupts so WFI won't stall.
csrwi mideleg, MIP_SSIP
+ # Enter supervisor mode.
la t0, 1f
csrw mepc, t0
+ li t0, MSTATUS_MPP
+ csrc mstatus, t0
+ li t1, (MSTATUS_MPP & -MSTATUS_MPP) * PRV_S
+ csrs mstatus, t1
mret
1:
projects / riscv-tests.git / commitdiff