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

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import sys
import os
import re
import string
debug = 0
warnings = 0
errors = 0
target_dir = ''
target_name = ''
treetop = ''
global_options = {}
global_options_by_order = []
global_option_values = {}
global_uses_options = {}
romimages = {}
buildroms = []
curimage = 0
curpart = 0
curdir = ''
dirstack = []
alloptions = 0 # override uses at top level
local_path = re.compile(r'^\.')
include_pattern = re.compile(r'%%([^%]+)%%')
# -----------------------------------------------------------------------------
# Error Handling
# -----------------------------------------------------------------------------
# Used to keep track of our current location while parsing
# configuration files
class location:
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 = []
def file(self):
return self.stack[-1].file
def line(self):
return self.stack[-1].line
def command(self):
return self.stack[-1].command
def push_file(self, file):
self.stack.append(self.place(file, 0, ""))
def pop_file(self):
self.stack.pop()
def next_line(self, command):
self.stack[-1].next_line(command)
def at(self):
return self.stack[-1].at()
loc = location()
# Print error message
def error(string):
global errors, loc
errors = errors + 1
size = len(loc.stack)
i = 0
while(i < size -1):
print loc.stack[i].at()
i = i + 1
print "%s: %s"% (loc.at(), string)
# Print error message and exit
def fatal(string):
error(string)
exitiferrors()
# Print warning message
def warning(string):
global warnings, loc
warnings = warnings + 1
print "===> Warning:"
size = len(loc.stack)
i = 0
while(i < size -1):
print loc.stack[i].at()
i = i + 1
print "%s: %s"% (loc.at(), string)
# Exit parser if an error has been encountered
def exitiferrors():
if (errors != 0):
sys.exit(1)
# -----------------------------------------------------------------------------
# Main classes
# -----------------------------------------------------------------------------
# A rom image is the ultimate goal of linuxbios
class romimage:
def __init__ (self, name):
self.name = name
self.arch = ''
self.payload = ''
self.initfile = ''
self.makebaserules = {}
self.objectrules = {}
self.initobjectrules = {}
self.driverrules = {}
self.ldscripts = []
self.userdefines = []
self.initincludes = {}
self.useinitincludes = 0 # transitional
self.partinstance = 0
self.root = 0
self.target_dir = ''
self.values = {} # values of options set in romimage
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):
print "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 curdir
suffix = object_name[-2:]
if (suffix == '.o'):
suffix = '.c'
base = object_name[:-2]
if (object_name[0] == '.'):
source = base + suffix
else:
source = os.path.join(curdir, base + suffix)
object = base + '.o'
if (debug):
print "add object %s source %s" % (object_name, source)
l = getdict(dict, base)
if (l):
print "Warning, object/driver %s previously defined" % base
setdict(dict, base, [object, source])
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
if (debug > 2):
print "ADDCRT0: %s -> %s" % str, path
o = getdict(self.initincludes, path)
if (o):
print "Warning, init include for %s previously defined" % path
o = initinclude(str, path)
setdict(self.initincludes, path, o)
def getinitincludes(self):
return self.initincludes
def getinitinclude(self, path):
o = getdict(self.initincludes, path)
if (o):
return o
fatal("No such init include \"%s\"" % path);
def getincludefilename(self):
if (self.useinitincludes):
return "crt0.S"
else:
return "crt0_include.h"
def newformat(self):
return self.useinitincludes
def setpartinstance(self, val):
self.partinstance = val
def getpartinstance(self):
return self.partinstance
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
# A buildrom statement
class buildrom:
def __init__ (self, payload, size, roms):
self.payload = payload
self.size = size
self.roms = roms
# 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(dict, object_name):
global curimage, curdir
suffix = object_name[-2:]
if (suffix == '.o'):
suffix = '.c'
base = object_name[:-2]
if (object_name[0] == '.'):
source = base + suffix
else:
source = os.path.join(curdir, base + suffix)
object = base + '.o'
if (debug):
print "add object %s source %s" % (object_name, source)
l = getdict(dict, base)
if (l):
print "Warning, object/driver %s previously defined" % base
setdict(dict, base, [object, source])
# include file for initialization code
class initinclude:
def __init__ (self, str, path):
self.string = str
self.path = path
def getstring(self):
return self.string
def getpath(self):
return self.path
# Rule to be included in Makefile
class makerule:
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
# Configuration option
class option:
def __init__ (self, name):
self.name = name # name of option
self.loc = 0 # current location
#self.value = 0 # option value
self.set = 0 # option has been set
self.used = 0 # option has been set
self.default = 0 # option has default value (otherwise
# it is undefined)
self.comment = '' # description of option
self.exportable = 0 # option is able to be exported
self.exported = 0 # option is exported
self.defined = 0 # option has a value
self.format = '%s' # option print format
def setvalue(self, value, values, loc):
#if (self.set):
# fatal("Error: option %s already set" % self.name)
self.set = 1
self.defined = 1
self.loc = loc
#self.value = value
setdict(values, self.name, value)
def getvalue(self, image, values):
global curimage
v = getdict(values, self.name)
if (v == 0):
return 0
val = v.contents()
if (not (type(val) is str)):
return v
if (val == '' or val[0] != '{'):
return v
s = curimage
curimage = image
val = parse('delexpr', val)
curimage = s
# TODO: need to check for parse errors!
return option_value(val)
def setdefault(self, value, loc):
global global_option_values
if (self.default):
fatal("Error: default value for %s already set" % self.name)
#self.value = value
setdict(global_option_values, self.name, value)
self.defined = 1
self.default = 1
self.loc = loc
def setnodefault(self, loc):
self.default = 1
self.defined = 0
self.loc = loc
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 setexported(self):
self.exportable = 1
self.exported = 1
def setnoexport(self):
self.exportable = 0
self.exported = 0
def setformat(self, fmt):
self.format = fmt
def getformat(self):
return self.format
def setused(self):
if (self.exportable):
self.exported = 1
self.used = 1
def isexported(self):
return (self.exported and self.defined)
# def isdefined(self):
# return (self.defined)
def isset(self):
return (self.set)
# def isused(self):
# return (self.used)
class option_value:
def __init__(self, value):
self.value = value
def contents(self):
return self.value
# A configuration part
class partobj:
def __init__ (self, image, dir, parent, type, name):
if (debug):
print "partobj dir %s parent %s type %s" %(dir,parent,type)
self.image = image
self.children = 0
self.initcode = []
self.registercode = []
# sibling is not a list.
self.siblings = 0
self.type = type
self.objects = []
self.dir = dir
self.irq = 0
self.instance = image.getpartinstance() + 1
self.flatten_name = flatten_name(type + "/" + name)
if (debug):
print "INSTANCE %d" % self.instance
image.setpartinstance(image.getpartinstance() + 1)
self.devfn = 0
self.private = 0
self.uses_options = {}
# chip initialization. If there is a chip.h in the
# directory, generate the structs etc. to
# initialize the code
self.chipconfig = 0
if (os.path.exists(dir + "/" + "chip.h")):
self.chipconfig = 1
if (parent):
if (debug):
print "add to parent"
self.parent = parent
# add current child as my sibling,
# me as the child.
if (debug):
if (parent.children):
print "add %s (%d) as sibling" % (parent.children.dir, parent.children.instance)
self.siblings = parent.children
parent.children = self
else:
self.parent = self
def dumpme(self, lvl):
print "%d: type %s" % (lvl, self.type)
print "%d: instance %d" % (lvl, self.instance)
print "%d: dir %s" % (lvl,self.dir)
print "%d: flatten_name %s" % (lvl,self.flatten_name)
print "%d: parent %s" % (lvl,self.parent.type)
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 " %s" % i
print "%d: registercode " % lvl
for i in self.registercode:
print " %s" % i
print "\n"
def gencode(self, file):
if (self.chipconfig):
file.write("struct %s_config %s_config_%d" % (\
self.flatten_name ,\
self.flatten_name , \
self.instance))
if (self.registercode):
file.write("\t= {\n")
for i in self.registercode:
file.write( "\t %s" % i)
file.write("\t}\n")
else:
file.write(";")
file.write("\n");
file.write("struct chip dev%d = {\n" % self.instance)
file.write("/* %s %s */\n" % (self.type, self.dir))
#file.write(" .devfn = %d,\n" % self.devfn)
if (self.siblings):
file.write(" .next = &dev%d,\n" % self.siblings.instance)
if (self.children):
file.write(" .children = &dev%d,\n" % \
self.children.instance)
if (self.private):
file.write(" .private = private%d,\n" % self.instance)
if (self.chipconfig):
# set the pointer to the structure for all this
# type of part
file.write(" .control= &%s_control,\n" % \
self.flatten_name )
# generate the pointer to the isntance
# of the chip struct
file.write(" .chip_config = (void *) &%s_config_%d,\n" %\
(self.flatten_name, self.instance ))
file.write("};\n")
def irq(self, irq):
self.irq = irq
def addinit(self, code):
self.initcode.append(code)
def addregister(self, code):
code = dequote(code)
self.registercode.append(code)
def usesoption(self, name):
global global_options
o = getdict(global_options, name)
if (o == 0):
fatal("Error: can't use undefined option %s" % name)
o.setused()
o1 = getdict(self.uses_options, name)
if (o1):
return
setdict(self.uses_options, name, o)
# Used to keep track of the current part
class partsstack:
def __init__ (self):
self.stack = []
def push(self, part):
self.stack.append(part)
def pop(self):
return self.stack.pop()
def tos(self):
return self.stack[-1]
def empty(self):
return (len(self.stack) == 0)
pstack = partsstack()
# -----------------------------------------------------------------------------
# statements
# -----------------------------------------------------------------------------
def getdict(dict, name):
if name not in dict.keys():
if (debug >1):
print 'Undefined:', name
return 0
v = dict.get(name, 0)
if (debug > 1):
print "getdict %s returning %s" % (name, v)
return v
def setdict(dict, name, value):
if (debug > 1):
print "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):
print "option %s already defined" % name
sys.exit(1)
o = option(name)
setdict(global_options, name, o)
global_options_by_order.append(name)
# 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
def getoption(name, image):
global curpart, global_uses_options, global_option_values
if (curpart):
o = getdict(curpart.uses_options, name)
elif (alloptions):
o = getdict(global_options, name)
else:
o = getdict(global_uses_options, name)
if (o == 0 or not o.defined):
error("Error: Option %s undefined (missing use command?)." % name)
return
v = 0
if (image):
v = o.getvalue(image, image.getvalues())
if (v == 0):
v = o.getvalue(image, global_option_values)
return v.contents()
def setoption(name, value):
global loc, global_options, global_option_values, curimage
o = getdict(global_options, name)
if (o == 0):
fatal("Error: attempt to set nonexistent option %s" % name)
v = option_value(value)
if (curimage):
o.setvalue(v, curimage.getvalues(), loc)
else:
o.setvalue(v, global_option_values, loc)
def setdefault(name, value):
global loc, global_options
o = getdict(global_options, name)
if (not o):
return
if (o.default):
print "setdefault: attempt to duplicate default for %s" % name
return
v = option_value(value)
o.setdefault(v, loc)
def setnodefault(name):
global loc, global_options
o = getdict(global_options, name)
if (not o):
return
if (o.default):
print "setdefault: attempt to duplicate default for %s" % name
return
o.setnodefault(loc)
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.setexported()
def setnoexport(name):
global global_options
o = getdict(global_options, name)
if (not o):
fatal("setnoexport: %s not here" % name)
o.setnoexport()
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)
if (o == 0 or not o.defined):
fatal( "Error: Option %s undefined." % name)
v = 0
if (image):
v = o.getvalue(image, image.getvalues())
if (v == 0):
v = o.getvalue(image, global_option_values)
f = o.getformat()
return (f % v.contents())
def isexported(name):
global global_options
o = getdict(global_options, name)
if (o):
return o.isexported()
return 0
#def isdefined(name, part):
# global global_options
# if (part):
# o = getdict(part.uses_options, name)
# else:
# o = getdict(global_options, name)
# if (o):
# return o.isdefined()
# return 0
def isset(name, part):
global global_uses_options
if (part):
o = getdict(part.uses_options, name)
else:
o = getdict(global_uses_options, name)
if (o):
return o.isset()
return 0
#def isused(name, part):
# global global_options
# if (part):
# o = getdict(part.uses_options, name)
# else:
# o = getdict(global_options, name)
# if (o):
# return o.isused()
# return 0
def usesoption(name):
global curpart, global_options, global_uses_options
if (curpart):
curpart.usesoption(name)
return
o = getdict(global_options, name)
if (o == 0):
fatal("Error: can't use undefined option %s" % name)
o.setused()
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("Error: must specify default value for option %s" % name)
if ((defval & 2) != 2):
fatal("Error: must specify export for option %s" % name)
if ((defval & 4) != 4):
fatal("Error: must specify comment for option %s" % name)
def loadoptions():
optionsfile = os.path.join(treetop, 'src', 'config', 'Options.lb')
loc.push_file(optionsfile)
if (not parse('options', open(optionsfile, 'r').read())):
fatal("Error: Could not parse file")
loc.pop_file()
def addinit(path):
global curimage, curdir
if (path[0] == '/'):
curimage.setinitfile(treetop + '/src/' + path)
else:
curimage.setinitfile(curdir + '/' + path)
print "Adding init file: %s" % 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.
def addcrt0include(path):
global curimage
curimage.addinitinclude(0, path)
def addinitinclude(str, path):
global curimage
curimage.addinitinclude(dequote(str), path)
def addldscript(path):
global curimage, curdir
if (path[0] == '/'):
fullpath = treetop + '/src/' + path
else:
fullpath = curdir + '/' + path
if (debug):
print "fullpath :%s: curdir :%s: path :%s:" % (fullpath, curdir, path)
curimage.addldscript(fullpath)
def payload(path):
global main_payload
main_payload = path
# adduserdefine("PAYLOAD:=%s"%path)
# addrule('payload')
# adddep('payload', path)
# addaction('payload', 'cp $< $@')
def startromimage(name):
global romimages, curimage, curpart, target_dir, target_name
print "Configuring ROMIMAGE %s" % name
curimage = romimage(name)
curimage.settargetdir(os.path.join(target_dir, name))
o = partobj(curimage, target_dir, 0, 'board', target_name)
curimage.setroot(o)
o = getdict(romimages, name)
if (o):
fatal("romimage %s previously defined" % name)
setdict(romimages, name, curimage)
def endromimage():
global curimage
partpop()
print "End ROMIMAGE"
curimage = 0
curpart = 0
def addbuildrom(payload, size, roms):
global buildroms
print "Build ROM payload %s size %d" % (payload, size)
b = buildrom(payload, 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 part(name, path, file):
global curimage, curpart, curdir, dirstack, pstack
dirstack.append(curdir)
curdir = os.path.join(treetop, 'src', name, path)
newpart = partobj(curimage, curdir, curpart, name, path)
print "Configuring PART %s, path %s" % (name,path)
if (debug):
print "PUSH part %s %s" % (name, curdir)
pstack.push(curpart)
curpart = newpart
doconfigfile(curdir, file)
def partpop():
global curpart, curdir, dirstack, pstack
print "End PART %s" % curpart.type
# Warn if options are used without being set in this part
for i in curpart.uses_options.keys():
if (not isset(i, curpart)):
print "WARNING: Option %s using default value %s" % (i, getformated(i, curpart.image))
curpart = pstack.pop()
curdir = dirstack.pop()
# dodir is like part but there is no new part
def dodir(path, file):
global curimage, curpart, curdir, 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.
if (path[0] == '/'):
fullpath = treetop + '/src/' + path
else:
fullpath = os.path.join(curdir, path)
if (debug):
print "DODIR: path %s, fullpath %s" % (path, fullpath)
print "DODIR: curdis %s treetop %s" % (curdir, treetop)
print "Configuring DIR %s" % os.path.join(path, file)
dirstack.append(curdir)
curdir = fullpath
file = os.path.join(fullpath, file)
doconfigfile(fullpath, file)
curdir = dirstack.pop()
def lookup(name):
global curimage
v = getoption(name, curimage)
exitiferrors()
return v
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)
# arch is 'different' ... darn it.
def set_arch(my_arch):
global curimage
curimage.setarch(my_arch)
setoption('ARCH', my_arch)
part('arch', my_arch, 'Config.lb')
def mainboard(path):
full_path = os.path.join(treetop, 'src/mainboard', path)
setoption('MAINBOARD', full_path)
vendor = re.sub("/.*", "", path)
part_number = re.sub("[^/]/", "", path)
setoption('MAINBOARD_VENDOR', vendor)
setoption('MAINBOARD_PART_NUMBER', part_number)
dodir('/config', 'Config.lb')
part('mainboard', path, 'Config.lb')
def doconfigfile(path, file):
filename = os.path.join(path, file)
loc.push_file(filename)
if (not parse('cfgfile', open(filename, 'r').read())):
fatal("Error: Could not parse file")
exitiferrors()
#=============================================================================
# MISC FUNCTIONS
#=============================================================================
def ternary(val, yes, no):
if (debug):
print "ternary %s" % expr
if (debug):
print "expr %s a %d yes %d no %d"% (expr, a, yes, no)
if (val == 0):
if (debug):
print "Ternary returns %d" % yes
return yes
else:
if (debug):
print "Ternary returns %d" % no
return no
# atoi is in the python library, but not strtol? Weird!
def tohex(name):
return eval('int(%s)' % name)
def IsInt( str ):
""" Is the given string an integer?"""
try:
num = int(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
# If the first part of <path> matches treetop, replace that part with "$(TOP)"
def topify(path):
if path[0:len(treetop)] == treetop:
path = path[len(treetop):len(path)]
if (path[0:1] == "/"):
path = path[1:len(path)]
path = "$(TOP)/" + path
return path
%%
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 CPU: 'cpu'
token DEFAULT: 'default'
token DEFINE: 'define'
token DEPENDS: 'depends'
token DIR: 'dir'
token DRIVER: 'driver'
token ELSE: 'else'
token END: 'end'
token EOF: '$'
token EQ: '='
token EXPORT: 'export'
token FORMAT: 'format'
token IF: 'if'
token INIT: 'init'
token INITOBJECT: 'initobject'
token INITINCLUDE: 'initinclude'
token LDSCRIPT: 'ldscript'
token LOADOPTIONS: 'loadoptions'
token MAINBOARD: 'mainboard'
token MAINBOARDINIT: 'mainboardinit'
token MAKEDEFINE: 'makedefine'
token MAKERULE: 'makerule'
token NEVER: 'never'
token NONE: 'none'
token NORTHBRIDGE: 'northbridge'
token OBJECT: 'object'
token OPTION: 'option'
token PAYLOAD: 'payload'
token PMC: 'pmc'
token PRINT: 'print'
token REGISTER: 'register'
token ROMIMAGE: 'romimage'
token SOUTHBRIDGE: 'southbridge'
token SUPERIO: 'superio'
token TARGET: 'target'
token USED: 'used'
token USES: 'uses'
token NUM: r'[0-9]+'
token XNUM: r'0x[0-9a-fA-F]+'
# Why is path separate? Because paths to resources have to at least
# have a slash, we thinks
token PATH: r'[a-zA-Z0-9_.][a-zA-Z0-9/_.]+[a-zA-Z0-9_.]+'
# Dir's on the other hand are abitrary
# this may all be stupid.
token DIRPATH: r'[-a-zA-Z0-9_$()./]+'
token ID: r'[a-zA-Z_.]+[a-zA-Z0-9_.]*'
token DELEXPR: r'{([^}]+|\\.)*}'
token STR: r'"([^\\"]+|\\.)*"'
token RAWTEXT: r'.*'
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 atoi(NUM) }}
| XNUM {{ return tohex(XNUM) }}
| 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()}}
rule northbridge<<C>>:
NORTHBRIDGE PATH {{ if (C): part('northbridge', PATH, 'Config.lb') }}
partend<<C>>
rule superio<<C>>: SUPERIO PATH {{ if (C): part('superio', PATH, 'Config.lb') }}
partend<<C>>
rule cpu<<C>>: CPU ID {{ if (C): part('cpu', ID, 'Config.lb') }}
partend<<C>>
rule pmc<<C>>: PMC PATH {{ if (C): part('pmc', PATH, 'Config.lb') }}
partend<<C>>
rule arch<<C>>: ARCH ID {{ if (C): set_arch(ID) }}
partend<<C>>
rule southbridge<<C>>:
SOUTHBRIDGE PATH {{ if (C): part('southbridge', PATH, 'Config.lb')}}
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 ldscript<<C>>: LDSCRIPT DIRPATH {{ if (C): addldscript(DIRPATH) }}
rule payload<<C>>: PAYLOAD DIRPATH {{ if (C): payload(DIRPATH) }}
# if is a bad id ....
# needs to be C and ID, but nested if's are, we hope, not going to
# happen. IF so, possibly ID && C could be used.
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 register<<C>>: REGISTER STR {{ if (C): curpart.addregister(STR) }}
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) }}
# 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
rule stmt<<C>>: addaction<<C>> {{ return addaction }}
| arch<<C>> {{ return arch}}
| cpu<<C>> {{ return cpu}}
| 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 }}
| northbridge<<C>> {{ return northbridge }}
| object<<C>> {{ return object }}
| payload<<C>> {{ return payload}}
| pmc<<C>> {{ return pmc}}
| prtstmt<<C>> {{ return prtstmt}}
| register<<C>> {{ return register}}
| southbridge<<C>> {{ return southbridge }}
| superio<<C>> {{ return superio }}
# 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) }}
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 romimage: ROMIMAGE STR {{ startromimage(dequote(STR)) }}
(opstmt<<1>>)*
MAINBOARD PATH {{ mainboard(PATH) }}
END {{ endromimage() }}
rule roms: STR {{ s = '(' + STR }}
( STR {{ s = s + "," + STR }}
)* {{ return eval(s + ')') }}
rule buildrom: BUILDROM PATH expr roms {{ addbuildrom(PATH, 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 defstmts<<ID>>: {{ d = 0 }}
( DEFAULT
( value {{ setdefault(ID, value) }}
| 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 }}
)+ {{ 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):
global treetop, target_dir
# Write Makefile.settings to seperate the settings
# from the actual makefile creation
# In practice you need to rerun NLBConfig.py to change
# these but in theory you shouldn't need to.
filename = os.path.join(path, "Makefile.settings")
print "Creating", filename
file = open(filename, 'w+')
writemakefileheader(file, filename)
file.write("TOP:=%s\n" % (treetop))
file.write("TARGET_DIR:=%s\n" % target_dir)
# for i in global_options_by_order:
# if (isexported(i, 0)):
# file.write("export %s:=%s\n" % (i, getformated(i, 0)))
# file.write("export VARIABLES := ")
# for i in global_options.keys():
# if (isexported(i, 0)):
# file.write("%s " % i)
file.write("\n")
file.close()
def writeimagesettings(image):
global treetop
global global_options_by_order
# Write Makefile.settings to seperate the settings
# from the actual makefile creation
# In practice you need to rerun NLBConfig.py to change
# these but in theory you shouldn't need to.
filename = os.path.join(image.gettargetdir(), "Makefile.settings")
print "Creating", filename
file = open(filename, 'w+')
writemakefileheader(file, filename)
file.write("TOP:=%s\n" % (treetop))
file.write("TARGET_DIR:=%s\n" % (image.gettargetdir()))
for i in global_options_by_order:
if (isexported(i)):
file.write("export %s:=%s\n" % (i, getformated(i, image)))
file.write("export VARIABLES := ")
for i in global_options_by_order:
if (isexported(i)):
file.write("%s " % i)
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 = 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 -DMAX_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 in image.getinitobjectrules().keys():
init = image.getinitobjectrule(irule)
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 in image.getobjectrules().keys():
obj = image.getobjectrule(objrule)
obj_name = obj[0]
obj_source = obj[1]
file.write("OBJECTS-1 += %s\n" % (obj_name))
file.write("SOURCES += %s\n" % (obj_source))
for driverrule in image.getdriverrules().keys():
driver = image.getdriverrule(driverrule)
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().keys():
if (local_path.match(inc)):
file.write("CRT0_INCLUDES += %s\n" % inc)
else:
file.write("CRT0_INCLUDES += $(TOP)/src/%s\n" % inc)
# Print out the user defines.
file.write("\n# userdefines:\n")
#for udef in image.userdefines:
#file.write("%s\n" % udef)
# Print out the base rules.
# Need to have a rule that counts on 'all'.
file.write("\n# mainrulelist:")
#file.write("\nmainrule: %s\n" % image.mainrulelist)
# Print out any user rules.
file.write("\n# From makerule or docipl commands:\n")
# Old way (hash order): for target in makebaserules.keys():
# New way (config file order):
#for target in image.makerule_targets:
#image.makebaserules[target].write(file)
file.write("\n# objectrules:\n")
for objrule in image.getobjectrules().keys():
obj = image.getobjectrule(objrule)
source = topify(obj[1])
file.write("%s: %s\n" % (obj[0], source))
file.write("\t$(CC) -c $(CFLAGS) -o $@ $<\n")
#file.write("%s\n" % objrule[2])
for driverrule in image.getdriverrules().keys():
driver = image.getdriverrule(driverrule)
source = topify(driver[1])
file.write("%s: %s\n" % (driver[0], source))
file.write("\t$(CC) -c $(CFLAGS) -o $@ $<\n")
#file.write("%s\n" % objrule[2])
# Print out the rules that will make cause the files
# generated by NLBConfig.py to be remade if any dependencies change.
file.write("\n# Remember the automatically generated files\n")
file.write("GENERATED:=\n")
for genfile in [ 'Makefile',
'nsuperio.c',
'chip.c',
'LinuxBIOSDoc.config' ]:
file.write("GENERATED += %s\n" % genfile)
file.write("GENERATED += %s\n" % image.getincludefilename())
#file.write("\n# Remake Makefile (and the other files generated by\n")
#file.write("# NLBConfig.py) if any config dependencies change.\n")
#for cfile in image.config_file_list:
# file.write("$(GENERATED): %s\n" % topify(cfile))
#for depfile in [ '%s' % top_config_file, # This a duplicate, remove?
# '$(TOP)/util/config/NLBConfig.py',
# '$(TOP)/src/arch/$(ARCH)/config/make.base' ]:
# file.write("$(GENERATED): %s\n" % depfile)
#file.write("$(GENERATED):\n")
#file.write("\tpython $(TOP)/util/config/NLBConfig.py %s $(TOP)\n"
# % top_config_file)
keys = image.getroot().uses_options.keys()
keys.sort()
file.write("\necho:\n")
for key in keys:
file.write("\t@echo %s='$(%s)'\n"% (key,key))
for i in image.getmakerules().keys():
m = image.getmakerule(i)
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 = open(makefilepath, 'w+')
writemakefileheader(file, makefilepath)
# main rule
file.write("all: ")
for i in romimages.keys():
file.write("%s-rom " % i)
file.write("\n\n")
for i in romimages.keys():
o = getdict(romimages, i)
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.close()
def writeinitincludes(image):
global include_pattern
filepath = os.path.join(image.gettargetdir(), image.getincludefilename())
print "Creating", filepath
outfile = open(filepath, 'w+')
if (image.newformat()):
infile = open(image.getinitfile(), 'r')
line = infile.readline()
while (line):
p = include_pattern.match(line)
if (p):
for i in image.getinitincludes().keys():
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().keys():
outfile.write("#include <%s>\n" % i)
outfile.close()
def writeldoptions(image):
# Write Makefile.settings to seperate the settings
# from the actual makefile creation
# In practice you need to rerun NLBConfig.py to change
# these but in theory you shouldn't need to.
filename = os.path.join(image.gettargetdir(), "ldoptions")
print "Creating", filename
file = open(filename, 'w+')
for i in global_options.keys():
if (isexported(i) and IsInt(getoption(i, image))):
file.write("%s = %s;\n" % (i, getformated(i, image)))
file.close()
# Add any run-time checks to verify that parsing the configuration
# was successful
def verifyparse(image):
if (image.newformat() and image.getinitfile() == ''):
fatal("An init file must be specified")
def dumptree(part, lvl):
if (debug):
print "DUMPTREE ME is"
part.dumpme(lvl)
# dump the siblings -- actually are there any? not sure
# siblings are:
if (debug):
print "DUMPTREE SIBLINGS are"
kid = part.siblings
while (kid):
kid.dumpme(lvl)
kid = kid.siblings
# dump the kids
if (debug):
print "DUMPTREE KIDS are"
#for kid in part.children:
if (part.children):
dumptree(part.children, lvl+1)
if (debug):
print "DONE DUMPTREE"
def gencode(part, file):
if (debug):
print "GENCODE ME is"
part.gencode(file)
# dump the siblings -- actually are there any? not sure
# dump the kids
if (debug):
print "GENCODE SIBLINGS are"
kid = part.siblings
while (kid):
kid.gencode(file)
kid = kid.siblings
if (debug):
print "GENCODE KIDS are"
#for kid in part.children:
if (part.children):
gencode(part.children, file)
if (debug):
print "DONE GENCODE"
#=============================================================================
# MAIN PROGRAM
#=============================================================================
if __name__=='__main__':
from sys import argv
if (len(argv) < 3):
print 'Args: <file> <path to linuxbios>'
sys.exit(1)
top_config_file = os.path.abspath(sys.argv[1])
treetop = os.path.abspath(sys.argv[2])
# Now read in the customizing script...
loc.push_file(argv[1])
if (not parse('board', open(argv[1], 'r').read())):
fatal("Error: Could not parse file")
for r in romimages.keys():
verifyparse(getdict(romimages, r))
# no longer need to check if an options has been used
alloptions = 1
for r in romimages.keys():
image = getdict(romimages, r)
if (debug):
print "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)
filename = os.path.join(img_dir, "chips.c")
print "Creating", filename
file = open(filename, 'w+')
# gen all the forward references
i = 0
file.write("struct chip ")
while (i <= image.getpartinstance()):
file.write("cdev%d "% i)
i = i + 1
file.write(";\n")
gencode(image.getroot(), file)
file.close()
# crt0 includes
if (debug):
for i in image.getinitincludes().keys():
print "crt0include file %s" % (i)
for i in image.getdriverrules().keys():
print "driver file %s" % (i)
for i in image.getldscripts():
print "ldscript file %s" % (i)
for i in image.getmakerules().keys():
m = image.getmakerule(i)
print " makerule %s dep %s act %s" % (i, m.dependency, m.actions)
writeimagesettings(image)
writeinitincludes(image)
writeimagemakefile(image)
writeldoptions(image)
writemakefilesettings(target_dir)
writemakefile(target_dir)
sys.exit(0)