michaelh/zephyr
1
0
Fork 0
Code Releases Activity

logging: cAVS HDA based logger

Browse source 
Adds a log backend that maintains a ringbuffer in coordination
with cAVS HDA.

The DMA channel is expected to be given some time after the logger
starts so a seperate step to initialize the dma channel is required.

Signed-off-by: Tom Burdick <thomas.burdick@intel.com>
This commit is contained in:
Tom Burdick 2022-03-02 15:31:11 -06:00 • committed by Anas Nashif
commit 6913da9ddd
15 changed files with 521 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

19
soc/xtensa/intel_adsp/tools/cavstool.py
View file

@ -478,7 +478,10 @@ def winstream_read(last_seq):
result += win_read(16, behind - suffix)
(wlen, start1, end, seq1) = win_hdr()
if start1 == start and seq1 == seq:
return (seq, result.decode("utf-8"))
# Best effort attempt at decoding, replacing unusable characters
# Found to be useful when it really goes wrong
return (seq, result.decode("utf-8", "replace"))
async def ipc_delay_done():
await asyncio.sleep(0.1)
@ -527,6 +530,7 @@ def ipc_command(data, ext_data):
elif data == 8: # HDA START
stream_id = ext_data & 0xFF
hda_streams[stream_id].start()
hda_streams[stream_id].mem.seek(0)
elif data == 9: # HDA STOP
stream_id = ext_data & 0xFF
@ -551,6 +555,18 @@ def ipc_command(data, ext_data):
for i in range(0, 256):
buf[i] = i
hda_streams[stream_id].write(buf)
elif data == 12: # HDA PRINT
log.info("Doing HDA Print")
stream_id = ext_data & 0xFF
buf_len = ext_data >> 8 & 0xFFFF
hda_str = hda_streams[stream_id]
pos = hda_str.mem.tell()
buf_data = hda_str.mem.read(buf_len).decode("utf-8", "replace")
log.info(f"DSP LOG MSG (idx: {pos}, len: {buf_len}): {buf_data}")
pos = hda_str.mem.tell()
if pos >= hda_str.buf_len*2:
log.info(f"Wrapping log reader, pos {pos} len {hda_str.buf_len}")
hda_str.mem.seek(0)
else:
log.warning(f"cavstool: Unrecognized IPC command 0x{data:x} ext 0x{ext_data:x}")
@ -589,6 +605,7 @@ async def main():
sys.stdout.write("--\n")
hda_streams = dict()
last_seq = 0
while True:
await asyncio.sleep(0.03)