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soc/intel_adsp: Polish cavstool

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There's desire for a "log only" mode like the older adsplog script
had.  Add a few other quality of life command line options too.  And
catch the most obvious user errors to print a message instead of a
stack dump.

Signed-off-by: Andy Ross <andrew.j.ross@intel.com>
This commit is contained in:
Andy Ross 2022-01-21 06:54:10 -08:00 • committed by Anas Nashif
commit 4f39b62d57
1 changed files with 33 additions and 5 deletions
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38
soc/xtensa/intel_adsp/tools/cavstool.py
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@ -10,6 +10,7 @@ import time
import subprocess
import ctypes
import mmap
import argparse
logging.basicConfig()
log = logging.getLogger("cavs-fw")
@ -32,7 +33,7 @@ def map_regs():
if os.path.exists(f"{pcidir}/driver"):
mod = os.path.basename(os.readlink(f"{pcidir}/driver/module"))
log.warning(f"Existing driver found! Unloading \"{mod}\" module")
runx(f"rmmod {mod}")
runx(f"rmmod -f {mod}")
# Disengage runtime power management so the kernel doesn't put it to sleep
with open(f"{pcidir}/power/control", "w") as ctrl:
@ -165,7 +166,11 @@ def runx(cmd):
return subprocess.check_output(cmd, shell=True).decode().rstrip()
def load_firmware(fw_file):
fw_bytes = open(fw_file, "rb").read()
try:
fw_bytes = open(fw_file, "rb").read()
except Exception:
log.error(f"Could not read firmware file: `{fw_file}'")
sys.exit(1)
(magic, sz) = struct.unpack("4sI", fw_bytes[0:8])
if magic == b'XMan':
@ -266,6 +271,8 @@ def win_hdr():
def winstream_read(last_seq):
while True:
(wlen, start, end, seq) = win_hdr()
if last_seq == 0:
last_seq = seq if args.no_history else (seq - ((end - start) % wlen))
if seq == last_seq or start == end:
return (seq, "")
behind = seq - last_seq
@ -282,12 +289,20 @@ def winstream_read(last_seq):
async def main():
global hda, sd, dsp, hda_ostream_id, cavs15
(hda, sd, dsp, hda_ostream_id, cavs15) = map_regs()
try:
(hda, sd, dsp, hda_ostream_id, cavs15) = map_regs()
except Exception:
log.error("Could not map device in sysfs; run as root.")
sys.exit(1)
log.info(f"Detected cAVS {'1.5' if cavs15 else '1.8+'} hardware")
load_firmware(sys.argv[1])
if not args.log_only:
load_firmware(args.fw_file)
time.sleep(0.1)
if not args.quiet:
sys.stdout.write("--\n")
sys.stdout.write("--\n")
last_seq = 0
while True:
await asyncio.sleep(0.03)
@ -296,5 +311,18 @@ async def main():
sys.stdout.write(output)
sys.stdout.flush()
ap = argparse.ArgumentParser(description="DSP loader/logger tool")
ap.add_argument("-q", "--quiet", action="store_true",
help="No loader output, just DSP logging")
ap.add_argument("-l", "--log-only", action="store_true",
help="Don't load firmware, just show log output")
ap.add_argument("-n", "--no-history", action="store_true",
help="No current log buffer at start, just new output")
ap.add_argument("fw_file", nargs="?", help="Firmware file")
args = ap.parse_args()
if args.quiet:
log.setLevel(logging.WARN)
if __name__ == "__main__":
asyncio.get_event_loop().run_until_complete(main())