mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-26 01:18:28 +00:00
b35854471b
Here we change all FOO=VALUE defines to be tuples ("FOO", "VALUE").
Also, VALUE is always the raw string you want to end up in the C file,
instead of attempting to shell-escape it while specifying.
By all rights scons _should_ be using shlex.quote() on the CPPDEFINES,
but it doesn't, so we hack it by specifying the define prefix as `-D'`
and suffix as `'`. That way the arguments in shell are '-escaped, and
we're (currently) not using ' in any argument value so this should work
fine.
At the same time, when passing the flags to cargo, we can shlex.quote
the whole thing and get the right strings passed all the way into
build.rs -- as long as no argument contains a comma, which is the split
character...
127 lines
3.4 KiB
Python
127 lines
3.4 KiB
Python
from __future__ import annotations
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import subprocess
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import zlib
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from pathlib import Path
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HERE = Path(__file__).parent.resolve()
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# go up from site_scons to core/
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PROJECT_ROOT = HERE.parent.resolve()
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def get_version(file: str) -> str:
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major = 0
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minor = 0
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patch = 0
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file_path = PROJECT_ROOT / file
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with open(file_path, "r") as f:
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for line in f:
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if line.startswith("#define VERSION_MAJOR "):
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major = line.split("VERSION_MAJOR")[1].strip()
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if line.startswith("#define VERSION_MINOR "):
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minor = line.split("VERSION_MINOR")[1].strip()
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if line.startswith("#define VERSION_PATCH "):
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patch = line.split("VERSION_PATCH")[1].strip()
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return f"{major}.{minor}.{patch}"
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def get_git_revision_hash() -> str:
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return subprocess.check_output(["git", "rev-parse", "HEAD"]).decode("ascii").strip()
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def get_git_revision_short_hash() -> str:
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return (
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subprocess.check_output(["git", "rev-parse", "--short", "HEAD"])
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.decode("ascii")
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.strip()
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)
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def get_git_modified() -> bool:
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return (
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subprocess.check_output(["git", "diff", "--name-status"])
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.decode("ascii")
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.strip()
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!= ""
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)
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def get_defs_for_cmake(defs: list[str | tuple[str, str]]) -> list[str]:
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result: list[str] = []
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for d in defs:
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if type(d) is tuple:
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result.append(d[0] + "=" + d[1])
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else:
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result.append(d)
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return result
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def _compress(data: bytes) -> bytes:
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z = zlib.compressobj(level=9, wbits=-10)
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return z.compress(data) + z.flush()
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def get_bindgen_defines(defines: list[str | tuple[str, str]], paths: list[str]) -> str:
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rest_defs = []
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for d in defines:
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if type(d) is tuple:
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d = f"-D{d[0]}={d[1]}"
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else:
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d = f"-D{d}"
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rest_defs.append(d)
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for d in paths:
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rest_defs.append(f"-I../../{d}")
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return ",".join(rest_defs)
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def embed_compressed_binary(obj_program, env, section, target_, file, build, symbol):
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_in = f"embedded_{section}.bin.deflated"
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def redefine_sym(suffix):
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src = (
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f"_binary_build_{build}_"
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+ _in.replace("/", "_").replace(".", "_")
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+ "_"
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+ suffix
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)
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dest = f"_deflated_{symbol}_{suffix}"
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return f" --redefine-sym {src}={dest}"
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def compress_action(target, source, env):
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srcf = Path(str(source[0]))
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dstf = Path(str(target[0]))
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compressed = _compress(srcf.read_bytes())
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dstf.write_bytes(compressed)
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return 0
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compress = env.Command(target=_in, source=file, action=compress_action)
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obj_program.extend(
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env.Command(
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target=target_,
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source=_in,
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action="$OBJCOPY -I binary -O elf32-littlearm -B arm"
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f" --rename-section .data=.{section}"
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+ redefine_sym("start")
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+ redefine_sym("end")
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+ redefine_sym("size")
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+ " $SOURCE $TARGET",
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)
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)
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env.Depends(obj_program, compress)
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def embed_raw_binary(obj_program, env, section, target_, file):
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obj_program.extend(
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env.Command(
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target=target_,
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source=file,
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action="$OBJCOPY -I binary -O elf32-littlearm -B arm"
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f" --rename-section .data=.{section}" + " $SOURCE $TARGET",
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)
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)
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