mirror of
https://gitlab.com/qemu-project/qemu
synced 2024-09-06 18:05:37 +00:00
![Jose R. Ziviani](/assets/img/avatar_default.png)
This patch changes the way modinfo is generated and built. Instead of one modinfo.c it generates one modinfo-<target>-softmmu.c per target. It aims a fine-tune control of modules by configuring Kconfig. Signed-off-by: Jose R. Ziviani <jziviani@suse.de> Signed-off-by: Dario Faggioli <dfaggioli@suse.com> Message-Id: <165369003038.5857.13084289285185196779.stgit@work> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
121 lines
3.3 KiB
Python
Executable file
121 lines
3.3 KiB
Python
Executable file
#!/usr/bin/env python3
|
|
# -*- coding: utf-8 -*-
|
|
|
|
import os
|
|
import sys
|
|
|
|
def print_array(name, values):
|
|
if len(values) == 0:
|
|
return
|
|
list = ", ".join(values)
|
|
print(" .%s = ((const char*[]){ %s, NULL })," % (name, list))
|
|
|
|
def parse_line(line):
|
|
kind = ""
|
|
data = ""
|
|
get_kind = False
|
|
get_data = False
|
|
for item in line.split():
|
|
if item == "MODINFO_START":
|
|
get_kind = True
|
|
continue
|
|
if item.startswith("MODINFO_END"):
|
|
get_data = False
|
|
continue
|
|
if get_kind:
|
|
kind = item
|
|
get_kind = False
|
|
get_data = True
|
|
continue
|
|
if get_data:
|
|
data += " " + item
|
|
continue
|
|
return (kind, data)
|
|
|
|
def generate(name, lines, enabled):
|
|
arch = ""
|
|
objs = []
|
|
deps = []
|
|
opts = []
|
|
for line in lines:
|
|
if line.find("MODINFO_START") != -1:
|
|
(kind, data) = parse_line(line)
|
|
if kind == 'obj':
|
|
objs.append(data)
|
|
elif kind == 'dep':
|
|
deps.append(data)
|
|
elif kind == 'opts':
|
|
opts.append(data)
|
|
elif kind == 'arch':
|
|
arch = data;
|
|
elif kind == 'kconfig':
|
|
# don't add a module which dependency is not enabled
|
|
# in kconfig
|
|
if data.strip() not in enabled:
|
|
print(" /* module {} isn't enabled in Kconfig. */"
|
|
.format(data.strip()))
|
|
print("/* },{ */")
|
|
return None
|
|
else:
|
|
print("unknown:", kind)
|
|
exit(1)
|
|
|
|
print(" .name = \"%s\"," % name)
|
|
if arch != "":
|
|
print(" .arch = %s," % arch)
|
|
print_array("objs", objs)
|
|
print_array("deps", deps)
|
|
print_array("opts", opts)
|
|
print("},{")
|
|
return {dep.strip('" ') for dep in deps}
|
|
|
|
def print_pre():
|
|
print("/* generated by scripts/modinfo-generate.py */")
|
|
print("#include \"qemu/osdep.h\"")
|
|
print("#include \"qemu/module.h\"")
|
|
print("const QemuModinfo qemu_modinfo[] = {{")
|
|
|
|
def print_post():
|
|
print(" /* end of list */")
|
|
print("}};")
|
|
|
|
def main(args):
|
|
if len(args) < 3 or args[0] != '--devices':
|
|
print('Expected: modinfo-generate.py --devices '
|
|
'config-device.mak [modinfo files]', file=sys.stderr)
|
|
exit(1)
|
|
|
|
# get all devices enabled in kconfig, from *-config-device.mak
|
|
enabled = set()
|
|
with open(args[1]) as file:
|
|
for line in file.readlines():
|
|
config = line.split('=')
|
|
if config[1].rstrip() == 'y':
|
|
enabled.add(config[0][7:]) # remove CONFIG_
|
|
|
|
deps = set()
|
|
modules = set()
|
|
print_pre()
|
|
for modinfo in args[2:]:
|
|
with open(modinfo) as f:
|
|
lines = f.readlines()
|
|
print(" /* %s */" % modinfo)
|
|
(basename, _) = os.path.splitext(modinfo)
|
|
moddeps = generate(basename, lines, enabled)
|
|
if moddeps is not None:
|
|
modules.add(basename)
|
|
deps.update(moddeps)
|
|
print_post()
|
|
|
|
error = False
|
|
for dep in deps.difference(modules):
|
|
print("Dependency {} cannot be satisfied".format(dep),
|
|
file=sys.stderr)
|
|
error = True
|
|
|
|
if error:
|
|
exit(1)
|
|
|
|
if __name__ == "__main__":
|
|
main(sys.argv[1:])
|