mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-20 21:38:26 +00:00
119 lines
3.1 KiB
Python
Executable File
119 lines
3.1 KiB
Python
Executable File
#!/usr/bin/env python
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import sys
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from collections import defaultdict
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from messages_pb2 import (
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MessageType,
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wire_bootloader,
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wire_debug_in,
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wire_debug_out,
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wire_in,
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wire_no_fsm,
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wire_out,
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)
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fh = open("messages_map.h", "wt")
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fl = open("messages_map_limits.h", "wt")
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# len("MessageType_MessageType_") - len("_fields") == 17
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TEMPLATE = "\t{{ {type} {dir} {msg_id:46} {fields:29} {process_func} }},\n"
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LABELS = {
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wire_in: "in messages",
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wire_out: "out messages",
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wire_debug_in: "debug in messages",
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wire_debug_out: "debug out messages",
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}
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def handle_message(fh, fl, skipped, message, extension):
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name = message.name
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short_name = name.split("MessageType_", 1).pop()
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assert short_name != name
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for s in skipped:
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if short_name.startswith(s):
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return
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interface = "d" if extension in (wire_debug_in, wire_debug_out) else "n"
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direction = "i" if extension in (wire_in, wire_debug_in) else "o"
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options = message.GetOptions()
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bootloader = options.Extensions[wire_bootloader]
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no_fsm = options.Extensions[wire_no_fsm]
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if getattr(options, "deprecated", None):
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fh.write("\t// Message %s is deprecated\n" % short_name)
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return
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if bootloader:
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fh.write("\t// Message %s is used in bootloader mode only\n" % short_name)
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return
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if no_fsm:
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fh.write("\t// Message %s is not used in FSM\n" % short_name)
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return
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if direction == "i":
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process_func = "(void (*)(const void *))fsm_msg%s" % short_name
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else:
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process_func = "0"
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fh.write(
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TEMPLATE.format(
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type="'%c'," % interface,
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dir="'%c'," % direction,
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msg_id="MessageType_%s," % name,
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fields="%s_fields," % short_name,
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process_func=process_func,
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)
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)
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bufsize = None
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t = interface + direction
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if t == "ni":
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bufsize = "MSG_IN_SIZE"
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elif t == "no":
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bufsize = "MSG_OUT_SIZE"
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elif t == "do":
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bufsize = "MSG_DEBUG_OUT_SIZE"
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if bufsize:
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fl.write(
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'_Static_assert(%s >= sizeof(%s), "msg buffer too small");\n'
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% (bufsize, short_name)
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)
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skipped = sys.argv[1:]
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fh.write(
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"\t// This file is automatically generated by messages_map.py -- DO NOT EDIT!\n"
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)
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fl.write(
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"// This file is automatically generated by messages_map.py -- DO NOT EDIT!\n\n"
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)
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messages = defaultdict(list)
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for message in MessageType.DESCRIPTOR.values:
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extensions = message.GetOptions().Extensions
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for extension in (wire_in, wire_out, wire_debug_in, wire_debug_out):
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if extensions[extension]:
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messages[extension].append(message)
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for extension in (wire_in, wire_out, wire_debug_in, wire_debug_out):
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if extension == wire_debug_in:
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fh.write("\n#if DEBUG_LINK\n")
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fl.write("\n#if DEBUG_LINK\n")
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fh.write("\n\t// {label}\n\n".format(label=LABELS[extension]))
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for message in messages[extension]:
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handle_message(fh, fl, skipped, message, extension)
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if extension == wire_debug_out:
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fh.write("\n#endif\n")
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fl.write("#endif\n")
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fh.close()
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fl.close()
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