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e19c7cee50
Kernel image now has a header with version, magic number, and a pointer to its actual entrypoint. Entry point is now _start in boot.s, and we now generate versions.s in the build tree for the version macros.
37 lines
997 B
Python
Executable File
37 lines
997 B
Python
Executable File
#!/usr/bin/env python3
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#
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# parse_version.py - Create a NASM version definition file given
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# version inputs. Usage:
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#
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# parse_version.py <git-describe version> <git short sha>
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def split_version(version_string):
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major, minor, patch_dirty = version_string.split(".")
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patch_dirty = patch_dirty.split("-")
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return major, minor, patch_dirty[0], len(patch_dirty) > 1
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def make_nasm(major, minor, patch, dirty, sha):
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if dirty:
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dirty = "1"
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else:
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dirty = "0"
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lines = [
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"%define VERSION_MAJOR {}".format(major),
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"%define VERSION_MINOR {}".format(minor),
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"%define VERSION_PATCH {}".format(patch),
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"%define VERSION_GITSHA 0x{}{}".format(dirty, sha),
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]
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return "\n".join(lines)
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if __name__ == "__main__":
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import sys
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if len(sys.argv) != 3:
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print("Usage: {} <desc version> <git sha>".format(sys.argv[0]), file=sys.stderr)
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sys.exit(1)
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print(make_nasm(*split_version(sys.argv[1]), sys.argv[2]))
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