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Commit | Line | Data |
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5ebbfecc GH |
1 | #!/usr/bin/env python3 |
2 | # -*- coding: utf-8 -*- | |
3 | ||
4 | import os | |
5 | import sys | |
6 | ||
7 | def print_array(name, values): | |
8 | if len(values) == 0: | |
9 | return | |
10 | list = ", ".join(values) | |
11 | print(" .%s = ((const char*[]){ %s, NULL })," % (name, list)) | |
12 | ||
13 | def parse_line(line): | |
14 | kind = "" | |
15 | data = "" | |
16 | get_kind = False | |
17 | get_data = False | |
18 | for item in line.split(): | |
19 | if item == "MODINFO_START": | |
20 | get_kind = True | |
21 | continue | |
22 | if item.startswith("MODINFO_END"): | |
23 | get_data = False | |
24 | continue | |
25 | if get_kind: | |
26 | kind = item | |
27 | get_kind = False | |
28 | get_data = True | |
29 | continue | |
30 | if get_data: | |
31 | data += " " + item | |
32 | continue | |
33 | return (kind, data) | |
34 | ||
05d6814c | 35 | def generate(name, lines, enabled): |
5ebbfecc GH |
36 | arch = "" |
37 | objs = [] | |
38 | deps = [] | |
39 | opts = [] | |
40 | for line in lines: | |
41 | if line.find("MODINFO_START") != -1: | |
42 | (kind, data) = parse_line(line) | |
43 | if kind == 'obj': | |
44 | objs.append(data) | |
45 | elif kind == 'dep': | |
46 | deps.append(data) | |
47 | elif kind == 'opts': | |
48 | opts.append(data) | |
49 | elif kind == 'arch': | |
50 | arch = data; | |
24ce7aa7 | 51 | elif kind == 'kconfig': |
05d6814c JZ |
52 | # don't add a module which dependency is not enabled |
53 | # in kconfig | |
54 | if data.strip() not in enabled: | |
55 | print(" /* module {} isn't enabled in Kconfig. */" | |
56 | .format(data.strip())) | |
57 | print("/* },{ */") | |
58 | return None | |
5ebbfecc GH |
59 | else: |
60 | print("unknown:", kind) | |
61 | exit(1) | |
62 | ||
63 | print(" .name = \"%s\"," % name) | |
64 | if arch != "": | |
65 | print(" .arch = %s," % arch) | |
66 | print_array("objs", objs) | |
67 | print_array("deps", deps) | |
68 | print_array("opts", opts) | |
05d6814c JZ |
69 | print("},{") |
70 | return {dep.strip('" ') for dep in deps} | |
5ebbfecc GH |
71 | |
72 | def print_pre(): | |
73 | print("/* generated by scripts/modinfo-generate.py */") | |
74 | print("#include \"qemu/osdep.h\"") | |
75 | print("#include \"qemu/module.h\"") | |
76 | print("const QemuModinfo qemu_modinfo[] = {{") | |
77 | ||
78 | def print_post(): | |
79 | print(" /* end of list */") | |
80 | print("}};") | |
81 | ||
82 | def main(args): | |
05d6814c JZ |
83 | if len(args) < 3 or args[0] != '--devices': |
84 | print('Expected: modinfo-generate.py --devices ' | |
85 | 'config-device.mak [modinfo files]', file=sys.stderr) | |
86 | exit(1) | |
87 | ||
88 | # get all devices enabled in kconfig, from *-config-device.mak | |
89 | enabled = set() | |
90 | with open(args[1]) as file: | |
91 | for line in file.readlines(): | |
92 | config = line.split('=') | |
93 | if config[1].rstrip() == 'y': | |
94 | enabled.add(config[0][7:]) # remove CONFIG_ | |
95 | ||
96 | deps = set() | |
97 | modules = set() | |
5ebbfecc | 98 | print_pre() |
05d6814c | 99 | for modinfo in args[2:]: |
5ebbfecc GH |
100 | with open(modinfo) as f: |
101 | lines = f.readlines() | |
102 | print(" /* %s */" % modinfo) | |
05d6814c JZ |
103 | (basename, _) = os.path.splitext(modinfo) |
104 | moddeps = generate(basename, lines, enabled) | |
105 | if moddeps is not None: | |
106 | modules.add(basename) | |
107 | deps.update(moddeps) | |
5ebbfecc GH |
108 | print_post() |
109 | ||
af19eecf | 110 | error = False |
05d6814c JZ |
111 | for dep in deps.difference(modules): |
112 | print("Dependency {} cannot be satisfied".format(dep), | |
113 | file=sys.stderr) | |
114 | error = True | |
af19eecf JZ |
115 | |
116 | if error: | |
117 | exit(1) | |
118 | ||
5ebbfecc GH |
119 | if __name__ == "__main__": |
120 | main(sys.argv[1:]) |