Created
September 27, 2022 16:34
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modified scan.py
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import os | |
import struct | |
SMN_INDEX_REG = 0x60 | |
SMN_DATA_REG = 0x64 | |
SMN_MSG_REG = 0x3b10a20 | |
SMN_RSP_REG = 0x3b10a80 | |
SMN_ARG_REG = 0x3b10a88 | |
SMN_STATUS_OK = 1 | |
SKIP_COMMANDS = [] | |
config = os.open('/sys/devices/pci0000:00/0000:00:00.0/config', os.O_RDWR) | |
def smn_read(address): | |
os.pwrite(config, struct.pack('I', address), SMN_INDEX_REG) | |
return struct.unpack('I', os.pread(config, 4, SMN_DATA_REG))[0] | |
def smn_write(address, data): | |
os.pwrite(config, struct.pack('I', address), SMN_INDEX_REG) | |
os.pwrite(config, struct.pack('I', data), SMN_DATA_REG) | |
def smn_send_msg(msg, *args): | |
status = 0 | |
smn_write(SMN_RSP_REG, status) | |
for j, arg in enumerate(args): | |
smn_write(SMN_ARG_REG + (j << 2), arg) | |
smn_write(SMN_MSG_REG, msg) | |
while (status := smn_read(SMN_RSP_REG)) == 0: | |
pass | |
if status != SMN_STATUS_OK: | |
return [status] | |
return [smn_read(SMN_ARG_REG + (k << 2)) for k in range(5)] | |
for i in range(1, 192): | |
if i not in SKIP_COMMANDS: | |
r = [hex(v) for v in smn_send_msg(i, 0, 0)] | |
out = open('out.txt','a') | |
out.write(f'{i:02x}: {r}') | |
out.write("\n") | |
out.close() | |
os.close(config) |
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