121 lines
3.3 KiB
Python
121 lines
3.3 KiB
Python
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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import os
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import sys
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def print_array(name, values):
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if len(values) == 0:
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return
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list = ", ".join(values)
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print(" .%s = ((const char*[]){ %s, NULL })," % (name, list))
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def parse_line(line):
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kind = ""
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data = ""
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get_kind = False
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get_data = False
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for item in line.split():
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if item == "MODINFO_START":
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get_kind = True
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continue
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if item.startswith("MODINFO_END"):
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get_data = False
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continue
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if get_kind:
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kind = item
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get_kind = False
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get_data = True
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continue
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if get_data:
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data += " " + item
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continue
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return (kind, data)
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def generate(name, lines, enabled):
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arch = ""
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objs = []
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deps = []
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opts = []
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for line in lines:
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if line.find("MODINFO_START") != -1:
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(kind, data) = parse_line(line)
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if kind == 'obj':
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objs.append(data)
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elif kind == 'dep':
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deps.append(data)
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elif kind == 'opts':
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opts.append(data)
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elif kind == 'arch':
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arch = data;
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elif kind == 'kconfig':
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# don't add a module which dependency is not enabled
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# in kconfig
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if data.strip() not in enabled:
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print(" /* module {} isn't enabled in Kconfig. */"
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.format(data.strip()))
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print("/* },{ */")
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return None
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else:
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print("unknown:", kind)
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exit(1)
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print(" .name = \"%s\"," % name)
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if arch != "":
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print(" .arch = %s," % arch)
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print_array("objs", objs)
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print_array("deps", deps)
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print_array("opts", opts)
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print("},{")
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return {dep.strip('" ') for dep in deps}
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def print_pre():
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print("/* generated by scripts/modinfo-generate.py */")
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print("#include \"qemu/osdep.h\"")
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print("#include \"qemu/module.h\"")
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print("const QemuModinfo qemu_modinfo[] = {{")
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def print_post():
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print(" /* end of list */")
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print("}};")
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def main(args):
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if len(args) < 3 or args[0] != '--devices':
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print('Expected: modinfo-generate.py --devices '
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'config-device.mak [modinfo files]', file=sys.stderr)
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exit(1)
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# get all devices enabled in kconfig, from *-config-device.mak
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enabled = set()
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with open(args[1]) as file:
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for line in file.readlines():
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config = line.split('=')
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if config[1].rstrip() == 'y':
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enabled.add(config[0][7:]) # remove CONFIG_
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deps = set()
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modules = set()
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print_pre()
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for modinfo in args[2:]:
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with open(modinfo) as f:
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lines = f.readlines()
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print(" /* %s */" % modinfo)
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(basename, _) = os.path.splitext(modinfo)
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moddeps = generate(basename, lines, enabled)
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if moddeps is not None:
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modules.add(basename)
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deps.update(moddeps)
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print_post()
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error = False
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for dep in deps.difference(modules):
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print("Dependency {} cannot be satisfied".format(dep),
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file=sys.stderr)
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error = True
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if error:
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exit(1)
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if __name__ == "__main__":
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main(sys.argv[1:])
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