coreboot-kgpe-d16/util/newconfig/config.g

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import sys
import os
import re
import string
import types
import traceback
warnings = 0
errors = 0
target_dir = ''
target_name = ''
treetop = ''
global_options = {}
global_options_by_order = []
global_option_values = {}
global_uses_options = {}
global_exported_options = []
romimages = {}
buildroms = []
curimage = 0
alloptions = 0 # override uses at top level
local_path = re.compile(r'^\.')
include_pattern = re.compile(r'%%([^%]+)%%')
# the cpu type for this mainboard
cpu_type = 0
# -----------------------------------------------------------------------------
# Utility Classes
# -----------------------------------------------------------------------------
class stack:
"""Used to keep track of the current part or dir"""
class __stack_iter:
def __init__ (self, stack):
self.index = 0
self.len = len(stack)
self.stack = stack
def __iter__ (self):
return self
def next (self):
if (self.index < self.len):
s = self.stack[self.index]
self.index = self.index + 1
return s
raise StopIteration
def __init__ (self):
self.stack = []
def __len__ (self):
return len(self.stack)
def __getitem__ (self, i):
return self.stack[i]
def __iter__ (self):
return self.__stack_iter(self.stack)
def push(self, part):
self.stack.append(part)
def pop(self):
try:
return self.stack.pop()
except IndexError:
return 0
def tos(self):
try:
return self.stack[-1]
except IndexError:
return 0
def empty(self):
return (len(self.stack) == 0)
partstack = stack()
dirstack = stack()
class debug_info:
none = 0
gencode = 1
dumptree = 2
object = 3
dict = 4
statement = 5
dump = 6
def __init__(self, *level):
self.__level = level
def setdebug(self, *level):
self.__level = level
def level(self, level):
return level in self.__level
def info(self, level, str):
if level in self.__level:
print str
global debug
debug = debug_info(debug_info.none)
# -----------------------------------------------------------------------------
# Error Handling
# -----------------------------------------------------------------------------
class location:
"""Used to keep track of our current location while parsing
configuration files"""
class __place:
def __init__(self, file, line, command):
self.file = file
self.line = line
self.command = command
def next_line(self, command):
self.line = self.line + 1
self.command = command
def at(self):
return "%s:%d" % (self.file, self.line)
def __init__ (self):
self.stack = stack()
def __str__ (self):
s = ''
for p in self.stack:
if (s == ''):
s = p.at()
else:
s = s + '\n' + p.at()
return s
def file(self):
return self.stack.tos().file
def line(self):
return self.stack.tos().line
def command(self):
return self.stack.tos().command
def push(self, file):
self.stack.push(self.__place(os.path.normpath(file), 0, ""))
def pop(self):
self.stack.pop()
def next_line(self, command):
self.stack.tos().next_line(command)
def at(self):
return self.stack.tos().at()
loc = location()
def error(string):
"""Print error message"""
global errors, loc
errors = errors + 1
print "===> ERROR: %s" % string
def fatal(string):
"""Print error message and exit"""
error(string)
print "%s" % loc
exitiferrors()
def warning(string):
"""Print warning message"""
global warnings, loc
warnings = warnings + 1
print "===> WARNING: %s" % string
def notice(string):
"""Print notice message"""
print "===> NOTE: %s" % string
def exitiferrors():
"""Exit parser if an error has been encountered"""
if (errors != 0):
sys.exit(1)
def safe_open(file, mode):
try:
return open(file, mode)
except IOError:
fatal("Could not open file \"%s\"" % file)
# -----------------------------------------------------------------------------
# Main classes
# -----------------------------------------------------------------------------
class romimage:
"""A rom image is the ultimate goal of linuxbios"""
def __init__ (self, name):
# name of this rom image
self.name = name
# set by 'arch' directive
self.arch = ''
# set by 'payload' directive
self.payload = ''
# set by 'init' directive
self.initfile = ''
# make rules added by 'makerule' directive
self.makebaserules = {}
# object files added by 'object' directive
self.objectrules = {}
# init object files added by 'initobject' directive
self.initobjectrules = {}
# driver files added by 'drive' directive
self.driverrules = {}
# loader scripts added by 'ldscript' directive
self.ldscripts = []
# user defines added by 'makedefine' directive
self.userdefines = []
# files to be included in crt0.S
self.initincludes = {}
# as above, but order is preserved
self.initincludesorder = []
# transitional flag to support old crtinclude format
self.useinitincludes = 0
# instance counter for parts
self.partinstance = 0
# chip config files included by the 'config' directive
self.configincludes = {}
# root of part tree
self.root = 0
# name of target directory specified by 'target' directive
self.target_dir = ''
# option values used in rom image
self.values = {}
# exported options
self.exported_options = []
def getname(self):
return self.name
def getvalues(self):
return self.values
def setarch(self, arch):
self.arch = arch
def setpayload(self, payload):
self.payload = payload
def setinitfile(self, initfile):
self.initfile = initfile
def getinitfile(self):
return self.initfile
def addmakerule(self, id):
o = getdict(self.makebaserules, id)
if (o):
warning("rule %s previously defined" % id)
o = makerule(id)
setdict(self.makebaserules, id, o)
def getmakerules(self):
return self.makebaserules
def getmakerule(self, id):
o = getdict(self.makebaserules, id)
if (o):
return o
fatal("No such make rule \"%s\"" % id)
def addmakeaction(self, id, str):
o = getdict(self.makebaserules, id)
if (o):
a = dequote(str)
o.addaction(a)
return
fatal("No such rule \"%s\" for addmakeaction" % id)
def addmakedepend(self, id, str):
o = getdict(self.makebaserules, id)
if (o):
a = dequote(str)
o.adddependency(a)
return
fatal("No such rule \"%s\" for addmakedepend" % id)
# this is called with an an object name.
# the easiest thing to do is add this object to the current
# component.
# such kludgery. If the name starts with '.' then make the
# dependency be on ./thing.x gag me.
def addobjectdriver(self, dict, object_name):
global dirstack
suffix = object_name[-2:]
if (suffix == '.o'):
suffix = '.c'
base = object_name[:-2]
type = object_name[-1:]
if (object_name[0] == '.'):
source = base + suffix
else:
source = os.path.join(dirstack.tos(), base + suffix)
object = base + '.o'
debug.info(debug.object, "add object %s source %s" % (object_name, source))
l = getdict(dict, base)
if (l):
warning("object/driver %s previously defined" % base)
setdict(dict, base, [object, source, type, base])
def addinitobjectrule(self, name):
self.addobjectdriver(self.initobjectrules, name)
def addobjectrule(self, name):
self.addobjectdriver(self.objectrules, name)
def adddriverrule(self, name):
self.addobjectdriver(self.driverrules, name)
def getinitobjectrules(self):
return self.initobjectrules
def getinitobjectrule(self, name):
o = getdict(self.initobjectrules, name)
if (o):
return o
fatal("No such init object rule \"%s\"" % name)
def getobjectrules(self):
return self.objectrules
def getobjectrule(self, name):
o = getdict(self.objectrules, name)
if (o):
return o
fatal("No such object rule \"%s\"" % name)
def getdriverrules(self):
return self.driverrules
def getdriverrule(self, name):
o = getdict(self.driverrules, name)
if (o):
return o
fatal("No such driver rule \"%s\"" % name)
def addldscript(self, path):
self.ldscripts.append(path)
def getldscripts(self):
return self.ldscripts
def adduserdefine(self, str):
self.userdefines.append(str)
def getuserdefines(self):
return self.userdefines
def addinitinclude(self, str, path):
if (str != 0):
self.useinitincludes = 1
debug.info(debug.object, "ADDCRT0: %s -> %s" % (str, path))
o = getdict(self.initincludes, path)
if (o):
warning("init include for %s previously defined" % path)
o = initinclude(str, path)
setdict(self.initincludes, path, o)
self.initincludesorder.append(path)
def getinitincludes(self):
return self.initincludesorder
def getinitinclude(self, path):
o = getdict(self.initincludes, path)
if (o):
return o
fatal("No such init include \"%s\"" % path)
def addconfiginclude(self, part, path):
setdict(self.configincludes, part, path)
def getconfigincludes(self):
return self.configincludes
def getincludefilename(self):
if (self.useinitincludes):
return "crt0.S"
else:
return "crt0_includes.h"
def newformat(self):
return self.useinitincludes
def numparts(self):
return self.partinstance
def newpartinstance(self):
i = self.partinstance
self.partinstance = self.partinstance + 1
return i
def setroot(self, part):
self.root = part
def getroot(self):
return self.root
def settargetdir(self, path):
self.targetdir = path
def gettargetdir(self):
return self.targetdir
class buildrom:
"""A buildrom statement"""
def __init__ (self, filename, size, roms):
self.name = filename
self.size = size
self.roms = roms
def __len__ (self):
return len(self.roms)
def __getitem__(self,i):
return self.roms[i]
class initinclude:
"""include file for initialization code"""
def __init__ (self, str, path):
self.string = str
self.path = path
def getstring(self):
return self.string
def getpath(self):
return self.path
class makerule:
"""Rule to be included in Makefile"""
def __init__ (self, target):
self.target = target
self.dependency = []
self.actions = []
def addaction(self, action):
self.actions.append(action)
def adddependency(self, dependency):
self.dependency.append(dependency)
def gtarget(self):
return self.target
def gdependency(self):
return self.dependency
def gaction(self):
return self.actions
class option:
"""Configuration option"""
def __init__ (self, name):
self.name = name # name of option
self.loc = 0 # current location
self.used = 0 # option has been used
# it is undefined)
self.comment = '' # description of option
self.exportable = 0 # option is able to be exported
self.format = '%s' # option print format
self.write = [] # parts that can set this option
def where(self):
return self.loc
def setcomment(self, comment, loc):
if (self.comment != ''):
print "%s: " % self.name
print "Attempt to modify comment at %s" % loc
return
self.comment = comment
def setexportable(self):
self.exportable = 1
def setnoexport(self):
self.exportable = 0
def setformat(self, fmt):
self.format = fmt
def getformat(self):
return self.format
def setwrite(self, part):
self.write.append(part)
def isexportable(self):
return self.exportable
def iswritable(self, part):
return (part in self.write)
class option_value:
"""Value of a configuration option. The option has a default
value which can be changed at any time. Once an option has been
set the default value is no longer used."""
def __init__(self, name, prev):
self.name = name
self.value = ''
self.set = 0
if (prev):
self.value = prev.value
self.set = prev.set
def setvalue(self, value):
if ((self.set & 2) == 2):
warning("Changing option %s" % self.name)
else:
self.set |= 2
self.value = value
def setdefault(self, value):
if ((self.set & 1) == 1):
notice("Changing default value of %s" % self.name)
if ((self.set & 2) == 0):
self.value = value
self.set |= 1
def contents(self):
return self.value
def isset(self):
return (self.set & 2) == 2
class partobj:
"""A configuration part"""
def __init__ (self, image, dir, parent, part, type_name, instance_name, link):
debug.info(debug.object, "partobj dir %s parent %s part %s" \
% (dir, parent, part))
# romimage that is configuring this part
self.image = image
# links for static device tree
self.children = 0
self.siblings = 0
# list of init code files
self.initcode = []
# initializers for static device tree
self.registercode = {}
# part name
self.part = part
# type name of this part
self.type_name = type_name
# object files needed to build this part
self.objects = []
# directory containg part files
self.dir = dir
# instance number, used to distinguish anonymous
# instances of this part
self.instance = image.newpartinstance()
debug.info(debug.object, "INSTANCE %d" % self.instance)
# Options used by this part
self.uses_options = {}
# Name of chip config file (0 if not needed)
self.chipconfig = 0
# Flag to indicate that we have generated type
# definitions for this part (only want to do it once)
self.done_types = 0
# Path to the device
self.path = ""
# Link from parent device
if ((link < 0) or (link > 16)):
fatal("Invalid link")
self.link = link
# If no instance name is supplied then generate
# a unique name
if (instance_name == 0):
self.instance_name = self.type_name + \
"_dev%d" % self.instance
self.config_name = "%s_config_%d" \
% (self.type_name, self.instance)
else:
self.instance_name = instance_name
self.config_name = "%s_config" % self.instance_name
# Link this part into the tree
if (parent):
debug.info(debug.gencode, "add to parent")
self.parent = parent
# add current child as my sibling,
# me as the child.
if (parent.children):
debug.info(debug.gencode, "add %s (%d) as sibling" % (parent.children.dir, parent.children.instance))
youngest = parent.children
while(youngest.siblings):
youngest = youngest.siblings
youngest.siblings = self
else:
parent.children = self
else:
self.parent = self
def dumpme(self, lvl):
"""Dump information about this part for debugging"""
print "%d: part %s" % (lvl, self.part)
print "%d: instance %d" % (lvl, self.instance)
print "%d: dir %s" % (lvl,self.dir)
print "%d: name %s" % (lvl,self.name)
print "%d: parent %s" % (lvl,self.parent.part)
print "%d: parent dir %s" % (lvl,self.parent.dir)
if (self.children):
print "%d: child %s" % (lvl, self.children.dir)
if (self.siblings):
print "%d: siblings %s" % (lvl, self.siblings.dir)
print "%d: initcode " % lvl
for i in self.initcode:
print "\t%s" % i
print "%d: registercode " % lvl
for f, v in self.registercode.items():
print "\t%s = %s" % (f, v)
print "\n"
def gencode(self, file, pass_num):
"""Generate static initalizer code for this part. Two passes
are used - the first generates type information, and the second
generates instance information"""
if (pass_num == 0):
if (self.instance):
file.write("struct chip %s;\n" \
% self.instance_name)
else:
file.write("struct chip static_root;\n")
return
if (self.chipconfig):
debug.info(debug.gencode, "gencode: chipconfig(%d)" % \
self.instance)
file.write("struct %s_config %s" % (self.type_name ,\
self.config_name))
if (self.registercode):
file.write("\t= {\n")
for f, v in self.registercode.items():
file.write( "\t.%s = %s,\n" % (f, v))
file.write("};\n")
else:
file.write(";")
file.write("\n")
if (self.instance):
file.write("struct chip %s = {\n" % self.instance_name)
else:
file.write("struct chip static_root = {\n")
file.write("\t/* %s %s */\n" % (self.part, self.dir))
file.write("\t.link = %d,\n" % (self.link))
if (self.path != ""):
file.write("\t.path = { %s\n\t},\n" % (self.path) )
if (self.siblings):
debug.info(debug.gencode, "gencode: siblings(%d)" \
% self.siblings.instance)
file.write("\t.next = &%s,\n" \
% self.siblings.instance_name)
else:
file.write("\t.next = 0,\n")
if (self.children):
debug.info(debug.gencode, "gencode: children(%d)" \
% self.children.instance)
file.write("\t.children = &%s,\n" \
% self.children.instance_name)
else:
file.write("\t.children = 0,\n")
if (self.chipconfig):
# set the pointer to the structure for all this
# type of part
file.write("\t.control= &%s_control,\n" % \
self.type_name )
# generate the pointer to the isntance
# of the chip struct
file.write("\t.chip_info = (void *) &%s,\n" \
% self.config_name)
else:
file.write("\t.control= 0,\n")
file.write("\t.chip_info= 0,\n")
file.write("};\n")
def addinit(self, code):
"""Add init file to this part"""
self.initcode.append(code)
def addconfig(self, path):
"""Add chip config file to this part"""
self.chipconfig = os.path.join(self.dir, path)
self.image.addconfiginclude(self.type_name, self.chipconfig)
def addregister(self, field, value):
"""Register static initialization information"""
field = dequote(field)
value = dequote(value)
setdict(self.registercode, field, value)
def start_resources(self):
self.path = "%s, .resource={" % (self.path)
def end_resources(self):
self.path = "%s}}," % (self.path)
def add_resource(self, type, index, value):
""" Add a resource to a device """
self.path = "%s\n\t\t\t{ .flags=%s, .index=0x%x, .base=0x%x}," % (self.path, type, index, value)
def addpcipath(self, enable, bus, slot, function):
""" Add a relative pci style path from our parent to this device """
if ((bus < 0) or (bus > 255)):
fatal("Invalid bus")
if ((slot < 0) or (slot > 0x1f)):
fatal("Invalid device id")
if ((function < 0) or (function > 7)):
fatal("Invalid function")
self.path = "%s\n\t\t{ .enabled = %d, .path = {.type=DEVICE_PATH_PCI,.u={.pci={ .bus = 0x%x, .devfn = PCI_DEVFN(0x%x,%d)}}}" % (self.path, enable, bus, slot, function)
def addpnppath(self, enable, port, device):
""" Add a relative path to a pnp device hanging off our parent """
if ((port < 0) or (port > 65536)):
fatal("Invalid port")
if ((device < 0) or (device > 0xff)):
fatal("Invalid device")
self.path = "%s\n\t\t{ .enabled = %d, .path={.type=DEVICE_PATH_PNP,.u={.pnp={ .port = 0x%x, .device = 0x%x }}}" % (self.path, enable, port, device)
def addi2cpath(self, enabled, device):
""" Add a relative path to a i2c device hanging off our parent """
if ((device < 0) or (device > 0x7f)):
fatal("Invalid device")
self.path = "%s\n\t\t{ .enabled = %d, .path = {.type=DEVICE_PATH_I2C,.u={.i2c={ .device = 0x%x }}} " % (self.path, enable, device)
def usesoption(self, name):
"""Declare option that can be used by this part"""
global global_options
o = getdict(global_options, name)
if (o == 0):
fatal("can't use undefined option %s" % name)
o1 = getdict(self.uses_options, name)
if (o1):
return
setdict(self.uses_options, name, o)
def exportoption(self, op):
"""Export option that is used by this part"""
exportoption(op, self.image.exported_options)
# -----------------------------------------------------------------------------
# statements
# -----------------------------------------------------------------------------
def getdict(dict, name):
if name not in dict.keys():
debug.info(debug.dict, "Undefined: %s" % name)
return 0
v = dict.get(name, 0)
debug.info(debug.dict, "getdict %s returning %s" % (name, v))
return v
def setdict(dict, name, value):
debug.info(debug.dict, "setdict sets %s to %s" % (name, value))
dict[name] = value
# options.
# to create an option, it has to not exist.
# When an option value is fetched, the fact that it was used is
# remembered.
# Legal things to do:
# set a default value, then set a real value before the option is used.
# set a value, try to set a default, default silently fails.
# Illegal:
# use the value, then try to set the value
def newoption(name):
global global_options, global_options_by_order
o = getdict(global_options, name)
if (o):
fatal("option %s already defined" % name)
o = option(name)
setdict(global_options, name, o)
global_options_by_order.append(name)
def newoptionvalue(name, image):
g = getdict(global_option_values, name)
v = option_value(name, g)
if (image):
setdict(image.getvalues(), name, v)
else:
setdict(global_option_values, name, v)
return v
def getoptionvalue(name, op, image):
global global_option_values
if (op == 0):
fatal("Option %s undefined (missing use command?)" % name)
if (image):
v = getdict(image.getvalues(), name)
else:
v = getdict(global_option_values, name)
return v
def getoption(name, image):
"""option must be declared before being used in a part
if we're not processing a part, then we must
be at the top level where all options are available"""
global global_uses_options, alloptions, curimage
curpart = partstack.tos()
if (alloptions):
o = getdict(global_options, name)
elif (curpart):
o = getdict(curpart.uses_options, name)
else:
o = getdict(global_uses_options, name)
v = getoptionvalue(name, o, image)
if (v == 0):
v = getoptionvalue(name, o, 0)
if (v == 0):
fatal("No value for option %s" % name)
val = v.contents()
if (not (type(val) is types.StringType)):
return v.contents()
if (val == '' or val[0] != '{'):
return v.contents()
s = curimage
curimage = image
val = parse('delexpr', val)
curimage = s
exitiferrors()
return val
def exportoption(op, exported_options):
if (not op.isexportable()):
return
if (not op in exported_options):
exported_options.append(op)
def setoption(name, value, imp):
"""Set an option from within a configuration file. Normally this
is only permitted in the target (top level) configuration file.
If 'imp' is true, then set an option implicitly (e.g. 'arch'
and 'mainboard' statements). Implicit options can be set anywhere
the statements are legal, but also performs an implicit 'uses'
for the option"""
global loc, global_options, global_option_values, curimage
curpart = partstack.tos()
if (not imp and curpart):
fatal("Options may only be set in target configuration file")
if (imp):
usesoption(name)
if (curpart):
o = getdict(curpart.uses_options, name)
else:
o = getdict(global_uses_options, name)
if (not o):
fatal("Attempt to set nonexistent option %s (missing USES?)" % name)
v = getoptionvalue(name, o, curimage)
if (v == 0):
v = newoptionvalue(name, curimage)
v.setvalue(value)
if (curpart):
curpart.exportoption(o)
else:
exportoption(o, global_exported_options)
def setdefault(name, value, isdef):
"""Set the default value of an option from within a configuration
file. This is permitted from any configuration file, but will
result in a warning if the default is set more than once.
If 'isdef' is set, we're defining the option in Options.lb so
there is no need for 'uses'.
Note also that changing an options default value will export
the option, if it is exportable."""
global loc, global_options, curimage
if (isdef):
o = getdict(global_options, name)
if (not o):
return
image = 0
else:
curpart = partstack.tos()
if (curpart):
o = getdict(curpart.uses_options, name)
else:
o = getdict(global_uses_options, name)
if (not o):
fatal("Attempt to set default for nonexistent option %s (missing USES?)" % name)
image = curimage
v = getoptionvalue(name, o, image)
if (v == 0):
v = newoptionvalue(name, image)
v.setdefault(value)
if (isdef):
return
if (curpart):
curpart.exportoption(o)
else:
exportoption(o, global_exported_options)
def setnodefault(name):
global loc, global_options
o = getdict(global_options, name)
if (not o):
return
v = getdict(global_option_values, name)
if (v != 0):
warning("removing default for %s" % name)
del global_option_values[name]
def setcomment(name, value):
global loc, global_options
o = getdict(global_options, name)
if (not o):
fatal("setcomment: %s not here" % name)
o.setcomment(value, loc)
def setexported(name):
global global_options
o = getdict(global_options, name)
if (not o):
fatal("setexported: %s not here" % name)
o.setexportable()
global_exported_options.append(o)
def setnoexport(name):
global global_options
o = getdict(global_options, name)
if (not o):
fatal("setnoexport: %s not here" % name)
o.setnoexport()
if (o in global_exported_options):
global_exported_options.remove(o)
def setexportable(name):
global global_options
o = getdict(global_options, name)
if (not o):
fatal("setexportable: %s not here" % name)
o.setexportable()
def setformat(name, fmt):
global global_options
o = getdict(global_options, name)
if (not o):
fatal("setformat: %s not here" % name)
o.setformat(fmt)
def getformated(name, image):
global global_options, global_option_values
o = getdict(global_options, name)
v = getoption(name, image)
f = o.getformat()
return (f % v)
def setwrite(name, part):
global global_options
o = getdict(global_options, name)
if (not o):
fatal("setwrite: %s not here" % name)
o.setwrite(part)
def hasvalue(name, image):
global global_options
o = getdict(global_options, name)
if (o == 0):
return 0
v = 0
if (image):
v = getdict(image.getvalues(), name)
if (v == 0):
v = getdict(global_option_values, name)
return (v != 0)
def isset(name, part):
global global_uses_options, global_option_values, curimage
if (part):
o = getdict(part.uses_options, name)
else:
o = getdict(global_uses_options, name)
if (o == 0):
return 0
v = 0
if (curimage):
v = getdict(curimage.getvalues(), name)
if (v == 0):
v = getdict(global_option_values, name)
return (v != 0 and v.isset())
def usesoption(name):
global global_options, global_uses_options
curpart = partstack.tos()
if (curpart):
curpart.usesoption(name)
return
o = getdict(global_options, name)
if (o == 0):
fatal("Can't use undefined option %s" % name)
o1 = getdict(global_uses_options, name)
if (o1):
return
setdict(global_uses_options, name, o)
def validdef(name, defval):
global global_options
o = getdict(global_options, name)
if (not o):
fatal("validdef: %s not here" % name)
if ((defval & 1) != 1):
fatal("Must specify default value for option %s" % name)
if ((defval & 2) != 2):
fatal("Must specify export for option %s" % name)
if ((defval & 4) != 4):
fatal("Must specify comment for option %s" % name)
def loadoptions():
file = os.path.join('src', 'config', 'Options.lb')
optionsfile = os.path.join(treetop, file)
fp = safe_open(optionsfile, 'r')
loc.push(file)
if (not parse('options', fp.read())):
fatal("Could not parse file")
loc.pop()
def addinit(path):
global curimage, dirstack
if (path[0] == '/'):
curimage.setinitfile(treetop + '/src/' + path)
else:
curimage.setinitfile(dirstack.tos() + '/' + path)
print "Adding init file: %s" % path
def addconfig(path):
global partstack
curpart = partstack.tos()
curpart.addconfig(path)
def addregister(field, value):
global partstack
curpart = partstack.tos()
curpart.addregister(field, value)
def addcrt0include(path):
"""we do the crt0include as a dictionary, so that if needed we
can trace who added what when. Also it makes the keys
nice and unique."""
global curimage
curimage.addinitinclude(0, path)
def addinitinclude(str, path):
global curimage
curimage.addinitinclude(dequote(str), path)
def addldscript(path):
global curimage, dirstack
curdir = dirstack.tos()
if (path[0] == '/'):
fullpath = treetop + '/src/' + path
else:
fullpath = curdir + '/' + path
debug.info(debug.statement, "fullpath :%s: curdir :%s: path :%s:" % (fullpath, curdir, path))
curimage.addldscript(fullpath)
def payload(path):
global curimage
curimage.setpayload(path)
adduserdefine("PAYLOAD:=%s"%path)
def startromimage(name):
global romimages, curimage, target_dir, target_name
print "Configuring ROMIMAGE %s" % name
o = getdict(romimages, name)
if (o):
fatal("romimage %s previously defined" % name)
curimage = romimage(name)
curimage.settargetdir(os.path.join(target_dir, name))
#o = partobj(curimage, target_dir, 0, 'board', target_name)
#curimage.setroot(o)
setdict(romimages, name, curimage)
def endromimage():
global curimage
print "End ROMIMAGE"
curimage = 0
#curpart = 0
def mainboard(path):
full_path = os.path.join(treetop, 'src', 'mainboard', path)
vendor = re.sub("/.*", "", path)
part_number = re.sub("[^/]*/", "", path)
setdefault('MAINBOARD', full_path, 1)
setdefault('MAINBOARD_VENDOR', vendor, 1)
setdefault('MAINBOARD_PART_NUMBER', part_number, 1)
dodir('/config', 'Config.lb')
part('mainboard', path, 'Config.lb', 0, 0)
curimage.setroot(partstack.tos())
partpop()
def addbuildrom(filename, size, roms):
global buildroms
print "Build ROM size %d" % size
b = buildrom(filename, size, roms)
buildroms.append(b)
def addinitobject(object_name):
global curimage
curimage.addinitobjectrule(object_name)
def addobject(object_name):
global curimage
curimage.addobjectrule(object_name)
def adddriver(driver_name):
global curimage
curimage.adddriverrule(driver_name)
def target(name):
global target_dir, target_name
print "Configuring TARGET %s" % name
target_name = name
target_dir = os.path.join(os.path.dirname(loc.file()), name)
if not os.path.isdir(target_dir):
print "Creating directory %s" % target_dir
os.makedirs(target_dir)
print "Will place Makefile, crt0.S, etc. in %s" % target_dir
def cpudir(path):
global cpu_type
if (cpu_type and (cpu_type != path)):
fatal("Two different CPU types: %s and %s" % (cpu_type, path))
srcdir = "/cpu/%s" % path
dodir(srcdir, "Config.lb")
cpu_type = path
def part(type, path, file, name, link):
global curimage, dirstack, partstack
partdir = os.path.join(type, path)
srcdir = os.path.join(treetop, 'src')
fulldir = os.path.join(srcdir, partdir)
type_name = flatten_name(os.path.join(type, path))
newpart = partobj(curimage, fulldir, partstack.tos(), type, \
type_name, name, link)
print "Configuring PART %s, path %s" % (type, path)
partstack.push(newpart)
dirstack.push(fulldir)
# special case for 'cpu' parts.
# we could add a new function too, but this is rather trivial.
# if the part is a cpu, and we haven't seen it before,
# arrange to source the directory /cpu/'type'
if (type == 'cpu'):
cpudir(path)
else:
doconfigfile(srcdir, partdir, file, 'cfgfile')
def partpop():
global dirstack, partstack
curpart = partstack.tos()
if (curpart == 0):
fatal("Trying to pop non-existent part")
print "End PART %s" % curpart.part
# Warn if options are used without being set in this part
for op in curpart.uses_options.keys():
if (not isset(op, curpart)):
notice("Option %s using default value %s" % (op, getformated(op, curpart.image)))
partstack.pop()
dirstack.pop()
def dodir(path, file):
"""dodir is like part but there is no new part"""
global dirstack
# if the first char is '/', it is relative to treetop,
# else relative to curdir
# os.path.join screws up if the name starts with '/', sigh.
print "Configuring DIR %s" % os.path.join(path, file)
if (path[0] == '/'):
fullpath = os.path.join(treetop, 'src')
path = re.sub('^/*', '', path)
else:
fullpath = dirstack.tos()
debug.info(debug.statement, "DODIR: path %s, fullpath %s" % (path, fullpath))
dirstack.push(os.path.join(fullpath, path))
doconfigfile(fullpath, path, file, 'cfgfile')
dirstack.pop()
def lookup(name):
global curimage
return getoption(name, curimage)
def addrule(id):
global curimage
curimage.addmakerule(id)
def adduserdefine(str):
global curimage
curimage.adduserdefine(str)
def addaction(id, str):
global curimage
curimage.addmakeaction(id, str)
def adddep(id, str):
global curimage
curimage.addmakedepend(id, str)
def setarch(my_arch):
"""arch is 'different' ... darn it."""
global curimage
curimage.setarch(my_arch)
setdefault('ARCH', my_arch, 1)
part('arch', my_arch, 'Config.lb', 0, 0)
def doconfigfile(path, confdir, file, rule):
rname = os.path.join(confdir, file)
loc.push(rname)
fullpath = os.path.join(path, rname)
fp = safe_open(fullpath, 'r')
if (not parse(rule, fp.read())):
fatal("Could not parse file")
exitiferrors()
loc.pop()
#=============================================================================
# MISC FUNCTIONS
#=============================================================================
def ternary(val, yes, no):
debug.info(debug.statement, "ternary %s" % expr)
debug.info(debug.statement, "expr %s a %d yes %d no %d"% (expr, a, yes, no))
if (val == 0):
debug.info(debug.statement, "Ternary returns %d" % yes)
return yes
else:
debug.info(debug.statement, "Ternary returns %d" % no)
return no
def tohex(name):
"""atoi is in the python library, but not strtol? Weird!"""
return eval('int(%s)' % name)
def IsInt(str):
""" Is the given string an integer?"""
try:
num = long(str)
return 1
except ValueError:
return 0
def dequote(str):
a = re.sub("^\"", "", str)
a = re.sub("\"$", "", a)
# highly un-intuitive, need four \!
a = re.sub("\\\\\"", "\"", a)
return a
def flatten_name(str):
a = re.sub("[/-]", "_", str)
return a
def topify(path):
"""If the first part of <path> matches treetop, replace
that part with $(TOP)"""
if path[0:len(treetop)] == treetop:
path = path[len(treetop):len(path)]
if (path[0:1] == "/"):
path = path[1:len(path)]
path = "$(TOP)/" + path
return path
%%
# to make if work without 2 passses, we use an old hack from SIMD, the
# context bit. If the bit is 1, then ops get done, otherwise
# ops don't get done. From the top level, context is always
# 1. In an if, context depends on eval of the if condition
parser Config:
ignore: r'\s+'
ignore: "#.*?\r?\n"
# less general tokens should come first, otherwise they get matched
# by the re's
token ACTION: 'action'
token ADDACTION: 'addaction'
token ALWAYS: 'always'
token ARCH: 'arch'
token BUILDROM: 'buildrom'
token COMMENT: 'comment'
token CONFIG: 'config'
token CPU: 'cpu'
token DEFAULT: 'default'
token DEFINE: 'define'
token DEPENDS: 'depends'
token DIR: 'dir'
token DRIVER: 'driver'
token DRQ: 'drq'
token ELSE: 'else'
token END: 'end'
token EOF: '$'
token EQ: '='
token EXPORT: 'export'
token FORMAT: 'format'
token IF: 'if'
token INIT: 'init'
token INITOBJECT: 'initobject'
token INITINCLUDE: 'initinclude'
token IO: 'io'
token IRQ: 'irq'
token LDSCRIPT: 'ldscript'
token LOADOPTIONS: 'loadoptions'
token MAINBOARD: 'mainboard'
token MAINBOARDINIT: 'mainboardinit'
token MAKEDEFINE: 'makedefine'
token MAKERULE: 'makerule'
token MEM: 'mem'
token NEVER: 'never'
token NONE: 'none'
token NORTHBRIDGE: 'northbridge'
token OBJECT: 'object'
token OPTION: 'option'
token PAYLOAD: 'payload'
token PMC: 'pmc'
token PRINT: 'print'
token REGISTER: 'register'
token ROMIMAGE: 'romimage'
token SOUTHBRIDGE: 'southbridge'
token SUPERIO: 'superio'
token TARGET: 'target'
token USED: 'used'
token USES: 'uses'
token WRITE: 'write'
token NUM: '[0-9]+'
token HEX_NUM: '[0-9a-fA-F]+'
token HEX_PREFIX: '0x'
# Why is path separate? Because paths to resources have to at least
# have a slash, we thinks
token PATH: r'[-a-zA-Z0-9_.][-a-zA-Z0-9/_.]+[-a-zA-Z0-9_.]+'
# Dir's on the other hand are abitrary
# this may all be stupid.
token DIRPATH: r'[-a-zA-Z0-9_$()./]+'
token ID: r'[a-zA-Z_.]+[a-zA-Z0-9_.]*'
token DELEXPR: r'{([^}]+|\\.)*}'
token STR: r'"([^\\"]+|\\.)*"'
token RAWTEXT: r'.*'
token ON: 'on'
token OFF: 'off'
token PCI: 'pci'
token PNP: 'pnp'
token I2C: 'i2c'
token LINK: 'link'
rule expr: logical {{ l = logical }}
( "&&" logical {{ l = l and logical }}
| "||" logical {{ l = l or logical }}
)* {{ return l }}
rule logical: factor {{ n = factor }}
( "[+]" factor {{ n = n+factor }}
| "-" factor {{ n = n-factor }}
)* {{ return n }}
rule factor: term {{ v = term }}
( "[*]" term {{ v = v*term }}
| "/" term {{ v = v/term }}
| "<<" term {{ v = v << term }}
| ">=" term {{ v = (v < term)}}
)* {{ return v }}
# A term is a number, variable, or an expression surrounded by parentheses
rule term: NUM {{ return long(NUM, 10) }}
| HEX_PREFIX HEX_NUM {{ return long(HEX_NUM, 16) }}
| ID {{ return lookup(ID) }}
| unop {{ return unop }}
| "\\(" expr "\\)" {{ return expr }}
rule unop: "!" expr {{ return not(expr) }}
rule partend<<C>>: (stmt<<C>>)* END {{ if (C): partpop()}}
# This is needed because the legacy cpu command could not distinguish
# between cpu vendors. It should just be PATH, but getting this change
# into the source tree will be tricky...
# DO NOT USE ID AS IT MAY GO AWAY IN THE FUTURE
rule partid: ID {{ return ID }}
| PATH {{ return PATH }}
rule parttype: NORTHBRIDGE {{ return 'northbridge' }}
| SUPERIO {{ return 'superio' }}
| PMC {{ return 'pmc' }}
| SOUTHBRIDGE {{ return 'southbridge' }}
| CPU {{ return 'cpu' }}
rule partdef<<C>>: {{ name = 0 }} {{ link = 0 }}
parttype partid
[ STR {{ name = dequote(STR) }}
][ LINK NUM {{ link = long(NUM, 10) }}
] {{ if (C): part(parttype, partid, 'Config.lb', name, link) }}
partend<<C>>
rule arch<<C>>: ARCH ID {{ if (C): setarch(ID) }}
partend<<C>>
rule mainboardinit<<C>>:
MAINBOARDINIT DIRPATH {{ if (C): addcrt0include(DIRPATH)}}
rule initinclude<<C>>:
INITINCLUDE
STR
DIRPATH {{ if (C): addinitinclude(STR, DIRPATH)}}
rule initobject<<C>>:
INITOBJECT DIRPATH {{ if (C): addinitobject(DIRPATH)}}
rule object<<C>>: OBJECT DIRPATH {{ if (C): addobject(DIRPATH)}}
rule driver<<C>>: DRIVER DIRPATH {{ if (C): adddriver(DIRPATH)}}
rule dir<<C>>: DIR DIRPATH {{ if (C): dodir(DIRPATH, 'Config.lb') }}
rule default<<C>>: DEFAULT ID EQ value {{ if (C): setdefault(ID, value, 0) }}
rule ldscript<<C>>: LDSCRIPT DIRPATH {{ if (C): addldscript(DIRPATH) }}
rule iif<<C>>: IF ID {{ c = lookup(ID) }}
(stmt<<C and c>>)*
[ ELSE (stmt<<C and not c>>)* ]
END
rule depsacts<<ID, C>>:
( DEPENDS STR {{ if (C): adddep(ID, STR) }}
| ACTION STR {{ if (C): addaction(ID, STR) }}
)*
rule makerule<<C>>: MAKERULE DIRPATH {{ if (C): addrule(DIRPATH) }}
depsacts<<DIRPATH, C>>
END
rule makedefine<<C>>:
MAKEDEFINE RAWTEXT {{ if (C): adduserdefine(RAWTEXT) }}
rule addaction<<C>>:
ADDACTION ID STR {{ if (C): addaction(ID, STR) }}
rule init<<C>>: INIT DIRPATH {{ if (C): addinit(DIRPATH) }}
rule field: STR {{ return STR }}
rule register<<C>>: REGISTER field '=' STR {{ if (C): addregister(field, STR) }}
rule enable: {{ val = 1 }}
[ ( ON {{ val = 1 }}
| OFF {{ val = 0 }}
) ] {{ return val }}
rule resource<<C>>: {{ type = "" }}
( IO {{ type = "IORESOURCE_IO" }}
| MEM {{ type = "IORESOURCE_MEM" }}
| IRQ {{ type = "IORESOURCE_IRQ" }}
| DRQ {{ type = "IORESOURCE_DRQ" }}
)
term '=' {{ index = term }}
term {{ value = term }}
{{ if (C): partstack.tos().add_resource(type, index, value) }}
rule resources<<C>>: {{ if (C): partstack.tos().start_resources() }}
( resource<<C>> )*
{{ if (C): partstack.tos().end_resources() }}
rule pci<<C>>: PCI HEX_NUM {{ bus = int(HEX_NUM,16) }}
':' HEX_NUM {{ slot = int(HEX_NUM,16) }}
'.' HEX_NUM {{ function = int(HEX_NUM, 16) }}
enable
{{ if (C): partstack.tos().addpcipath(enable, bus, slot, function) }}
resources<<C>>
rule pnp<<C>>: PNP HEX_NUM {{ port = int(HEX_NUM,16) }}
'.' HEX_NUM {{ device = int(HEX_NUM, 16) }}
enable
{{ if (C): partstack.tos().addpnppath(enable, port, device) }}
resources<<C>>
rule i2c<<C>>: I2C HEX_NUM {{ device = int(HEX_NUM, 16) }}
enable
{{ if (C): partstatck.tos().addi2cpath(enable, device) }}
resources<<C>>
rule prtval: expr {{ return str(expr) }}
| STR {{ return STR }}
rule prtlist: prtval {{ el = "%(" + prtval }}
( "," prtval {{ el = el + "," + prtval }}
)* {{ return el + ")" }}
rule prtstmt<<C>>: PRINT STR {{ val = STR }}
[ "," prtlist {{ val = val + prtlist }}
] {{ if (C): print eval(val) }}
rule config<<C>>: CONFIG PATH {{ if (C): addconfig(PATH) }}
rule stmt<<C>>: arch<<C>> {{ return arch}}
| addaction<<C>> {{ return addaction }}
| config<<C>> {{ return config}}
| default<<C>> {{ return default}}
| dir<<C>> {{ return dir}}
| driver<<C>> {{ return driver }}
| iif<<C>> {{ return iif }}
| init<<C>> {{ return init }}
| initinclude<<C>> {{ return initinclude }}
| initobject<<C>> {{ return initobject }}
| ldscript<<C>> {{ return ldscript}}
| mainboardinit<<C>> {{ return mainboardinit }}
| makedefine<<C>> {{ return makedefine }}
| makerule<<C>> {{ return makerule }}
| object<<C>> {{ return object }}
| option<<C>> {{ return option }}
| partdef<<C>> {{ return partdef }}
| prtstmt<<C>> {{ return prtstmt }}
| register<<C>> {{ return register }}
| pci<<C>> {{ return pci }}
| pnp<<C>> {{ return pnp }}
# ENTRY for parsing Config.lb file
rule cfgfile: (uses<<1>>)*
(stmt<<1>>)*
EOF {{ return 1 }}
rule usesid<<C>>: ID {{ if (C): usesoption(ID) }}
rule uses<<C>>: USES (usesid<<C>>)+
rule value: STR {{ return dequote(STR) }}
| expr {{ return expr }}
| DELEXPR {{ return DELEXPR }}
rule option<<C>>: OPTION ID EQ value {{ if (C): setoption(ID, value, 0) }}
rule opif<<C>>: IF ID {{ c = lookup(ID) }}
(opstmt<<C and c>>)*
[ ELSE (opstmt<<C and not c>>)* ]
END
rule opstmt<<C>>: option<<C>>
| opif<<C>>
| prtstmt<<C>>
rule payload<<C>>: PAYLOAD DIRPATH {{ if (C): payload(DIRPATH) }}
rule mainboard<<C>>:
MAINBOARD PATH {{ if (C): mainboard(PATH) }}
rule romif<<C>>: IF ID {{ c = lookup(ID) }}
(romstmt<<C and c>>)*
[ ELSE (romstmt<<C and not c>>)* ]
END
rule romstmt<<C>>: romif<<C>>
| option<<C>>
| mainboard<<C>>
| payload<<C>>
rule romimage: ROMIMAGE STR {{ startromimage(dequote(STR)) }}
(romstmt<<1>>)*
END {{ endromimage() }}
rule roms: STR {{ s = '[' + STR }}
( STR {{ s = s + "," + STR }}
)* {{ return eval(s + ']') }}
rule buildrom: BUILDROM DIRPATH expr roms {{ addbuildrom(DIRPATH, expr, roms) }}
rule romstmts: romimage
| buildrom
| opstmt<<1>>
# ENTRY for parsing root part
rule board: LOADOPTIONS {{ loadoptions() }}
TARGET DIRPATH {{ target(DIRPATH) }}
(uses<<1>>)*
(romstmts)*
EOF {{ return 1 }}
# ENTRY for parsing a delayed value
rule delexpr: "{" expr "}" EOF {{ return expr }}
rule wrstr<<ID>>: STR {{ setwrite(ID, dequote(STR)) }}
rule defstmts<<ID>>: {{ d = 0 }}
( DEFAULT
( value {{ setdefault(ID, value, 1) }}
| NONE {{ setnodefault(ID) }}
) {{ d = d | 1 }}
| FORMAT STR {{ setformat(ID, dequote(STR)) }}
| EXPORT
( ALWAYS {{ setexported(ID) }}
| USED {{ setexportable(ID) }}
| NEVER {{ setnoexport(ID) }}
) {{ d = d | 2 }}
| COMMENT STR {{ setcomment(ID, dequote(STR)); d = d | 4 }}
| WRITE (wrstr<<ID>>)+
)+ {{ return d }}
rule define: DEFINE ID {{ newoption(ID) }}
defstmts<<ID>> END {{ validdef(ID, defstmts) }}
# ENTRY for parsing Options.lb file
rule options: (define)* EOF {{ return 1 }}
%%
#=============================================================================
# FILE OUTPUT
#=============================================================================
def writemakefileheader(file, fname):
file.write("# File: %s\n" % fname)
file.write("# This file was generated by '%s %s %s'\n\n"
% (sys.argv[0], sys.argv[1], sys.argv[2]))
def writemakefilesettings(path):
""" Write Makefile.settings to seperate the settings
from the actual makefile creation."""
global treetop, target_dir
filename = os.path.join(path, "Makefile.settings")
print "Creating", filename
file = safe_open(filename, 'w+')
writemakefileheader(file, filename)
file.write("TOP:=%s\n" % (treetop))
file.write("TARGET_DIR:=%s\n" % target_dir)
file.close()
def writeimagesettings(image):
"""Write Makefile.settings to seperate the settings
from the actual makefile creation."""
global treetop
global global_options_by_order
filename = os.path.join(image.gettargetdir(), "Makefile.settings")
print "Creating", filename
file = safe_open(filename, 'w+')
writemakefileheader(file, filename)
file.write("TOP:=%s\n" % (treetop))
file.write("TARGET_DIR:=%s\n" % (image.gettargetdir()))
file.write("\n")
exported = []
for o in global_exported_options:
exported.append(o)
for o in image.exported_options:
if (not o in exported):
exported.append(o)
for o in exported:
file.write("export %s:=" % o.name)
if (hasvalue(o.name, image)):
file.write("%s" % getformated(o.name, image))
file.write("\n")
file.write("\n")
file.write("export VARIABLES :=\n")
for o in exported:
file.write("export VARIABLES += %s\n" % o.name)
file.write("\n")
file.close()
# write the romimage makefile
# let's try the Makefile
# first, dump all the -D stuff
def writeimagemakefile(image):
makefilepath = os.path.join(image.gettargetdir(), "Makefile")
print "Creating", makefilepath
file = safe_open(makefilepath, 'w+')
writemakefileheader(file, makefilepath)
#file.write("include cpuflags\n")
# Putting "include cpuflags" in the Makefile has the problem that the
# cpuflags file would be generated _after_ we want to include it.
# Instead, let make do the work of computing CPUFLAGS:
file.write("# Get the value of TOP, VARIABLES, and several other variables.\n")
file.write("include Makefile.settings\n\n")
file.write("# Function to create an item like -Di586 or -DCONFIG_MAX_CPUS='1' or -Ui686\n")
file.write("D_item = $(if $(subst undefined,,$(origin $1)),-D$1$(if $($1),='$($1)',),-U$1)\n\n")
file.write("# Compute the value of CPUFLAGS here during make's first pass.\n")
file.write("CPUFLAGS := $(foreach _var_,$(VARIABLES),$(call D_item,$(_var_)))\n\n")
for i in image.getuserdefines():
file.write("%s\n" %i)
file.write("\n")
# main rule
file.write("all: linuxbios.rom")
# print out all the object dependencies
file.write("\n# object dependencies (objectrules:)\n")
file.write("INIT-OBJECTS :=\n")
file.write("OBJECTS :=\n")
file.write("DRIVER :=\n")
file.write("\nSOURCES :=\n")
for irule, init in image.getinitobjectrules().items():
i_name = init[0]
i_source = init[1]
file.write("INIT-OBJECTS += %s\n" % (i_name))
file.write("SOURCES += %s\n" % (i_source))
for objrule, obj in image.getobjectrules().items():
obj_name = obj[0]
obj_source = obj[1]
file.write("OBJECTS += %s\n" % (obj_name))
file.write("SOURCES += %s\n" % (obj_source))
# for chip_target.c
file.write("OBJECTS += static.o\n")
file.write("SOURCES += static.c\n")
for driverrule, driver in image.getdriverrules().items():
obj_name = driver[0]
obj_source = driver[1]
file.write("DRIVER += %s\n" % (obj_name))
file.write("SOURCES += %s\n" % (obj_source))
# Print out all ldscript.ld dependencies.
file.write("\n# ldscript.ld dependencies:\n")
file.write("LDSUBSCRIPTS-1 := \n" )
for script in image.getldscripts():
file.write("LDSUBSCRIPTS-1 += %s\n" % topify(script))
# Print out the dependencies for crt0_includes.h
file.write("\n# Dependencies for crt0_includes.h\n")
file.write("CRT0_INCLUDES:=\n")
for inc in image.getinitincludes():
if (local_path.match(inc)):
file.write("CRT0_INCLUDES += %s\n" % inc)
else:
file.write("CRT0_INCLUDES += $(TOP)/src/%s\n" % inc)
# Print out the user defines.
file.write("\n# userdefines:\n")
# Print out the base rules.
# Need to have a rule that counts on 'all'.
file.write("\n# mainrulelist:")
# Print out any user rules.
file.write("\n# From makerule or docipl commands:\n")
file.write("\n# initobjectrules:\n")
for irule, init in image.getinitobjectrules().items():
source = topify(init[1])
type = init[2]
if (type == 'S'):
# for .S, .o depends on .s
file.write("%s: %s.s\n" % (init[0], init[3]))
file.write("\t@echo $(CC) ... -o $@ $<\n")
file.write("\t$(CC) -c $(CPU_OPT) -o $@ $<\n")
# and .s depends on .S
file.write("%s.s: %s\n" % (init[3], source))
file.write("\t@echo $(CPP) ... $< > $@\n")
# Note: next 2 lines are ONE output line!
file.write("\t$(CPP) $(CPPFLAGS) $< ")
file.write(">$@.new && mv $@.new $@\n")
else:
file.write("%s: %s\n" % (init[0], source))
file.write("\t$(CC) -c $(CFLAGS) -o $@ $<\n")
file.write("\n# objectrules:\n")
for objrule, obj in image.getobjectrules().items():
source = topify(obj[1])
type = obj[2]
if (type == 'S'):
# for .S, .o depends on .s
file.write("%s: %s.s\n" % (obj[0], obj[3]))
file.write("\t@echo $(CC) ... -o $@ $<\n")
file.write("\t$(CC) -c $(CPU_OPT) -o $@ $<\n")
# and .s depends on .S
file.write("%s.s: %s\n" % (obj[3], source))
file.write("\t@echo $(CPP) ... $< > $@\n")
# Note: next 2 lines are ONE output line!
file.write("\t$(CPP) $(CPPFLAGS) $< ")
file.write(">$@.new && mv $@.new $@\n")
else:
file.write("%s: %s\n" % (obj[0], source))
file.write("\t$(CC) -c $(CFLAGS) -o $@ $<\n")
#file.write("%s\n" % objrule[2])
for driverrule, driver in image.getdriverrules().items():
source = topify(driver[1])
file.write("%s: %s\n" % (driver[0], source))
file.write("\t$(CC) -c $(CFLAGS) -o $@ $<\n")
#file.write("%s\n" % objrule[2])
# special rule for chip_target.c
file.write("static.o: static.c\n")
file.write("\t$(CC) -c $(CFLAGS) -o $@ $<\n")
# Print out the rules that will make cause the files
# generated by NLBConfig.py to be remade if any dependencies change.
file.write("\n# Remember the automatically generated files\n")
file.write("GENERATED:=\n")
for genfile in ['Makefile',
'nsuperio.c',
'static.c',
'LinuxBIOSDoc.config' ]:
file.write("GENERATED += %s\n" % genfile)
file.write("GENERATED += %s\n" % image.getincludefilename())
keys = global_options_by_order
keys.sort()
file.write("\necho:\n")
for key in keys:
file.write("\t@echo %s='$(%s)'\n"% (key,key))
for i, m in image.getmakerules().items():
file.write("%s: " %i)
for i in m.dependency:
file.write("%s " % i)
file.write("\n")
for i in m.actions:
file.write("\t%s\n" % i)
file.close()
#
def writemakefile(path):
makefilepath = os.path.join(path, "Makefile")
print "Creating", makefilepath
file = safe_open(makefilepath, 'w+')
writemakefileheader(file, makefilepath)
file.write("include Makefile.settings\n\n")
# main rule
file.write("all: ")
for i in romimages.keys():
file.write("%s-rom " % i)
file.write("buildroms\n\n")
for i, o in romimages.items():
file.write("%s-rom:\n" % o.getname())
file.write("\tif (cd %s; \\\n" % o.getname())
file.write("\t\tmake linuxbios.rom)\\\n")
file.write("\tthen true; else exit 1; fi;\n\n")
file.write("clean: ")
for i in romimages.keys():
file.write("%s-clean " % i)
file.write("\n\n")
for i, o in romimages.items():
file.write("%s-clean:\n" % o.getname())
file.write("\t(cd %s; make clean)\n" % o.getname())
file.write("\nbuildroms:\n")
for i in buildroms:
file.write("\tcat ")
for j in i.roms:
file.write("%s/linuxbios.rom " % j )
file.write("> %s\n" % i.name)
file.write("\n")
file.close()
def writeinitincludes(image):
global include_pattern
filepath = os.path.join(image.gettargetdir(), image.getincludefilename())
print "Creating", filepath
outfile = safe_open(filepath, 'w+')
if (image.newformat()):
infile = safe_open(image.getinitfile(), 'r')
line = infile.readline()
while (line):
p = include_pattern.match(line)
if (p):
for i in image.getinitincludes():
inc = image.getinitinclude(i)
if (inc.getstring() == p.group(1)):
outfile.write("#include \"%s\"\n" % inc.getpath())
else:
outfile.write(line)
line = infile.readline()
infile.close()
else:
for i in image.getinitincludes():
outfile.write("#include <%s>\n" % i)
outfile.close()
def writeldoptions(image):
"""Write ldoptions file."""
filename = os.path.join(image.gettargetdir(), "ldoptions")
print "Creating", filename
file = safe_open(filename, 'w+')
for o in global_exported_options:
if (hasvalue(o.name, image) and IsInt(getoption(o.name, image))):
file.write("%s = %s;\n" % (o.name, getformated(o.name, image)))
for o in image.exported_options:
if (not o in global_exported_options and hasvalue(o.name, image) and IsInt(getoption(o.name, image))):
file.write("%s = %s;\n" % (o.name, getformated(o.name, image)))
file.close()
def dumptree(part, lvl):
debug.info(debug.dumptree, "DUMPTREE ME is")
part.dumpme(lvl)
# dump the siblings -- actually are there any? not sure
# siblings are:
debug.info(debug.dumptree, "DUMPTREE SIBLINGS are")
kid = part.siblings
while (kid):
kid.dumpme(lvl)
kid = kid.siblings
# dump the kids
debug.info(debug.dumptree, "DUMPTREE KIDS are")
#for kid in part.children:
if (part.children):
dumptree(part.children, lvl+1)
debug.info(debug.dumptree, "DONE DUMPTREE")
def writecode(image):
filename = os.path.join(img_dir, "static.c")
print "Creating", filename
file = safe_open(filename, 'w+')
file.write("#include <device/chip.h>\n")
file.write("#include <device/pci.h>\n")
for path in image.getconfigincludes().values():
file.write("#include \"%s\"\n" % path)
gencode(image.getroot(), file, 0)
gencode(image.getroot(), file, 1)
file.close()
def gencode(part, file, pass_num):
debug.info(debug.gencode, "GENCODE ME is")
part.gencode(file, pass_num)
# dump the siblings -- actually are there any? not sure
debug.info(debug.gencode, "GENCODE SIBLINGS are")
kid = part.siblings
while (kid):
kid.gencode(file, pass_num)
kid = kid.siblings
# now dump the children
debug.info(debug.gencode, "GENCODE KIDS are")
if (part.children):
gencode(part.children, file, pass_num)
kid = part.siblings
while (kid):
if (kid.children):
gencode(kid.children, file, pass_num)
kid = kid.siblings
debug.info(debug.gencode, "DONE GENCODE")
def verifyparse():
"""Add any run-time checks to verify that parsing the configuration
was successful"""
for image in romimages.values():
print("Verifying ROMIMAGE %s" % image.name)
if (image.newformat() and image.getinitfile() == ''):
fatal("An init file must be specified")
for op in image.exported_options:
if (getoptionvalue(op.name, op, image) == 0 and getoptionvalue(op.name, op, 0) == 0):
error("Exported option %s has no value (check Options.lb)" % op.name)
print("Verifing global options")
for op in global_exported_options:
if (getoptionvalue(op.name, op, 0) == 0):
error("Exported option %s has no value (check Options.lb)" % op.name)
exitiferrors()
#=============================================================================
# MAIN PROGRAM
#=============================================================================
if __name__=='__main__':
from sys import argv
if (len(argv) < 3):
fatal("Args: <file> <path to linuxbios>")
top_config_file = os.path.abspath(sys.argv[1])
treetop = os.path.abspath(sys.argv[2])
# Now read in the customizing script...
loc.push(argv[1])
fp = safe_open(argv[1], 'r')
if (not parse('board', fp.read())):
fatal("Could not parse file")
loc.pop()
verifyparse()
# no longer need to check if an options has been used
alloptions = 1
for image_name, image in romimages.items():
if (debug.level(debug.dumptree)):
debug.info(debug.dumptree, "DEVICE TREE:")
dumptree(image.getroot(), 0)
img_dir = image.gettargetdir()
if not os.path.isdir(img_dir):
print "Creating directory %s" % img_dir
os.makedirs(img_dir)
if (debug.level(debug.dump)):
for i in image.getinitincludes():
debug.info(debug.dump, "crt0include file %s" % i)
for i in image.getdriverrules().keys():
debug.info(debug.dump, "driver file %s" % i)
for i in image.getldscripts():
debug.info(debug.dump, "ldscript file %s" % i)
for i, m in image.getmakerules().items():
debug.info(debug.dump, " makerule %s dep %s act %s" % (i, m.dependency, m.actions))
writecode(image)
writeimagesettings(image)
writeinitincludes(image)
writeimagemakefile(image)
writeldoptions(image)
writemakefilesettings(target_dir)
writemakefile(target_dir)
sys.exit(0)