# -*- python -*- import sys import os import re import string import types import traceback warnings = 0 errors = 0 target_dir = '' target_name = '' treetop = '' full_mainboard_path = '' mainboard_path = '' 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 print "%s" % loc def fatal(string): """Print error message and exit""" error(string) 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 = [] # Last device built self.last_device = 0 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 setused(self): if (self.exportable): self.exported = 1 self.used = 1 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, chip_or_device): 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.prev_sibling = 0 self.next_sibling = 0 self.prev_device = 0 self.next_device = 0 self.chip_or_device = chip_or_device # 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 = "" # Resources of the device self.resoruce = "" self.resources = 0 # Enabled state of the device self.enabled = 1 # Flag if I am a dumplicate device self.dup = 0 # 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.chipinfo_name = "%s_info_%d" \ % (self.type_name, self.instance) else: self.instance_name = instance_name self.chipinfo_name = "%s_info_%d" % (self.instance_name, self.instance) # Link this part into the device list if (self.chip_or_device == 'device'): if (image.last_device): image.last_device.next_device = self self.prev_device = image.last_device image.last_device = self # Link this part into the tree if (parent and (part != 'arch')): 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.next_sibling): youngest = youngest.next_sibling youngest.next_sibling = self self.prev_sibling = youngest else: parent.children = self else: self.parent = self def info(self): return "%s: %s" % (self.part, self.type) def type(self): return self.chip_or_device def readable_name(self): name = "" name = "%s_%d" % (self.type_name, self.instance) if (self.chip_or_device == 'chip'): name = "%s %s %s" % (name, self.part, self.dir) else: name = "%s %s" % (name, self.path) return name def dumpme(self, lvl): """Dump information about this part for debugging""" print "%d: %s" % (lvl, self.readable_name()) print "%d: part %s" % (lvl, self.part) print "%d: instance %d" % (lvl, self.instance) print "%d: chip_or_device %s" % (lvl, self.chip_or_device) print "%d: dir %s" % (lvl,self.dir) print "%d: type_name %s" % (lvl,self.type_name) print "%d: parent: %s" % (lvl, self.parent.readable_name()) if (self.children): print "%d: child %s" % (lvl, self.children.readable_name()) if (self.next_sibling): print "%d: siblings %s" % (lvl, self.next_sibling.readable_name()) 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 firstchilddevice(self): """Find the first device in the children link.""" kid = self.children while (kid): if (kid.chip_or_device == 'device'): return kid else: kid = kid.children return 0 def firstparentdevice(self): """Find the first device in the parent link.""" parent = self.parent while (parent and (parent.parent != parent) and (parent.chip_or_device != 'device')): parent = parent.parent if ((parent.parent != parent) and (parent.chip_or_device != 'device')): parent = 0 while(parent and (parent.dup == 1)): parent = parent.prev_sibling if (not parent): fatal("Device %s has no device parent; this is a config file error" % self.readable_name()) return parent def firstparentdevicelink(self): """Find the first device in the parent link and record which link it is.""" link = 0 parent = self.parent while (parent and (parent.parent != parent) and (parent.chip_or_device != 'device')): parent = parent.parent if ((parent.parent != parent) and (parent.chip_or_device != 'device')): parent = 0 while(parent and (parent.dup == 1)): parent = parent.prev_sibling link = link + 1 if (not parent): fatal("Device %s has no device parent; this is a config file error" % self.readable_name()) return link def firstparentchip(self): """Find the first chip in the parent link.""" parent = self.parent while (parent): if ((parent.parent == parent) or (parent.chip_or_device == 'chip')): return parent else: parent = parent.parent fatal("Device %s has no chip parent; this is a config file error" % self.readable_name()) def firstsiblingdevice(self): """Find the first device in the sibling link.""" sibling = self.next_sibling while(sibling and (sibling.path == self.path)): sibling = sibling.next_sibling if ((not sibling) and (self.parent.chip_or_device == 'chip')): sibling = self.parent.next_sibling while(sibling): if (sibling.chip_or_device == 'device'): return sibling else: sibling = sibling.children return 0 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.chip_or_device == 'chip'): return; else: if (self.instance): file.write("struct device %s;\n" \ % self.instance_name) else: file.write("struct device dev_root;\n") return # This is pass the second, which is pass number 1 # this is really just a case statement ... if (self.chip_or_device == 'chip'): if (self.chipconfig): debug.info(debug.gencode, "gencode: chipconfig(%d)" % \ self.instance) file.write("struct %s_config %s" % (self.type_name ,\ self.chipinfo_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 == 0): self.instance_name = "dev_root" file.write("struct device **last_dev_p = &%s.next;\n" % (self.image.last_device.instance_name)) file.write("struct device dev_root = {\n") file.write("\t.ops = &default_dev_ops_root,\n") file.write("\t.bus = &dev_root.link[0],\n") file.write("\t.path = { .type = DEVICE_PATH_ROOT },\n") file.write("\t.enabled = 1,\n\t.links = 1,\n") file.write("\t.on_mainboard = 1,\n") file.write("\t.link = {\n\t\t[0] = {\n") file.write("\t\t\t.dev=&dev_root,\n\t\t\t.link = 0,\n") file.write("\t\t\t.children = &%s,\n" % self.firstchilddevice().instance_name) file.write("\t\t},\n") file.write("\t},\n") if (self.chipconfig): file.write("\t.chip_ops = &%s_ops,\n" % self.type_name) file.write("\t.chip_info = &%s_info_%s,\n" % (self.type_name, self.instance)) file.write("\t.next = &%s,\n" % self.firstchilddevice().instance_name) file.write("};\n") return # Don't print duplicate devices, just print their children if (self.dup): return file.write("struct device %s = {\n" % self.instance_name) file.write("\t.ops = 0,\n") file.write("\t.bus = &%s.link[%d],\n" % \ (self.firstparentdevice().instance_name, \ self.firstparentdevicelink())) file.write("\t.path = {%s},\n" % self.path) file.write("\t.enabled = %d,\n" % self.enabled) file.write("\t.on_mainboard = 1,\n") if (self.resources): file.write("\t.resources = %d,\n" % self.resources) file.write("\t.resource = {%s\n\t },\n" % self.resource) file.write("\t.link = {\n"); links = 0 bus = self while(bus and (bus.path == self.path)): child = bus.firstchilddevice() if (child or (bus != self) or (bus.next_sibling and (bus.next_sibling.path == self.path))): file.write("\t\t[%d] = {\n" % links) file.write("\t\t\t.link = %d,\n" % links) file.write("\t\t\t.dev = &%s,\n" % self.instance_name) if (child): file.write("\t\t\t.children = &%s,\n" %child.instance_name) file.write("\t\t},\n") links = links + 1 if (1): bus = bus.next_sibling else: bus = 0 file.write("\t},\n") file.write("\t.links = %d,\n" % (links)) sibling = self.firstsiblingdevice(); if (sibling): file.write("\t.sibling = &%s,\n" % sibling.instance_name) chip = self.firstparentchip() if (chip and chip.chipconfig): file.write("\t.chip_ops = &%s_ops,\n" % chip.type_name) file.write("\t.chip_info = &%s_info_%s,\n" % (chip.type_name, chip.instance)) if (self.next_device): file.write("\t.next=&%s\n" % self.next_device.instance_name) file.write("};\n") return 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""" if (self.chip_or_device != 'chip'): fatal("Only chips can have register values") field = dequote(field) value = dequote(value) setdict(self.registercode, field, value) def set_enabled(self, enabled): self.enabled = enabled def start_resources(self): self.resource = "" self.resources = 0 def end_resources(self): self.resource = "%s" % (self.resource) def add_resource(self, type, index, value): """ Add a resource to a device """ self.resource = "%s\n\t\t{ .flags=%s, .index=0x%x, .base=0x%x}," % (self.resource, type, index, value) self.resources = self.resources + 1 def set_path(self, path): self.path = path if (self.prev_sibling and (self.prev_sibling.path == self.path)): self.dup = 1 if (self.prev_device): self.prev_device.next_device = self.next_device if (self.next_device): self.next_device.prev_device = self.prev_device if (self.image.last_device == self): self.image.last_device = self.prev_device self.prev_device = 0 self.next_device = 0 def addpcipath(self, slot, function): """ Add a relative pci style path from our parent to this device """ if ((slot < 0) or (slot > 0x1f)): fatal("Invalid device id") if ((function < 0) or (function > 7)): fatal("Invalid pci function %s" % function ) self.set_path(".type=DEVICE_PATH_PCI,.u={.pci={ .devfn = PCI_DEVFN(0x%x,%d)}}" % (slot, function)) def addpnppath(self, 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.set_path(".type=DEVICE_PATH_PNP,.u={.pnp={ .port = 0x%x, .device = 0x%x }}" % (port, device)) def addi2cpath(self, device): """ Add a relative path to a i2c device hanging off our parent """ if ((device < 0) or (device > 0x7f)): fatal("Invalid device") self.set_path(".type=DEVICE_PATH_I2C,.u={.i2c={ .device = 0x%x }}" % (device)) def addapicpath(self, apic_id): """ Add a relative path to a cpu device hanging off our parent """ if ((apic_id < 0) or (apic_id > 255)): fatal("Invalid device") self.set_path(".type=DEVICE_PATH_APIC,.u={.apic={ .apic_id = 0x%x }}" % (apic_id)) def addpci_domainpath(self, pci_domain): """ Add a pci_domain number to a chip """ if ((pci_domain < 0) or (pci_domain > 0xffff)): fatal("Invalid pci_domain: 0x%x is out of the range 0 to 0xffff" % pci_domain) self.set_path(".type=DEVICE_PATH_PCI_DOMAIN,.u={.pci_domain={ .domain = 0x%x }}" % (pci_domain)) def addapic_clusterpath(self, cluster): """ Add an apic cluster to a chip """ if ((cluster < 0) or (cluster > 15)): fatal("Invalid apic cluster: %d is out of the range 0 to ff" % cluster) self.set_path(".type=DEVICE_PATH_APIC_CLUSTER,.u={.apic_cluster={ .cluster = 0x%x }}" % (cluster)) def addcpupath(self, cpu_id): """ Add a relative path to a cpu device hanging off our parent """ if ((cpu_id < 0) or (cpu_id > 255)): fatal("Invalid device") self.set_path(".type=DEVICE_PATH_CPU,.u={.cpu={ .id = 0x%x }}" % (cpu_id)) def addcpu_buspath(self, id): """ Add a cpu_bus to a chip """ if ((id < 0) or (id > 255)): fatal("Invalid device") self.set_path(".type=DEVICE_PATH_CPU_BUS,.u={.cpu_bus={ .id = 0x%x }}" % (id)) 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) exportoption(o, 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 #print "getoptionvalue name %s op %s image %s\n" % (name, op,image) if (op == 0): # we want to debug config files, not the config tool, so no: # print_stack() 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 #print "getoption: name %s image %s alloptions %s curimage %s\n\n" % (name, image, alloptions, curimage) curpart = partstack.tos() if (alloptions): o = getdict(global_options, name) elif (curpart): o = getdict(curpart.uses_options, name) if (o == 0): print "curpart.uses_options is %s\n" % curpart.uses_options 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 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) def exportoption(op, exported_options): if (not op.isexportable()): return if (not op in exported_options): exported_options.append(op) 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'.""" 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) 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) exportoption(o, global_exported_options) 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(path, file, rule): file = os.path.join('src', path, file) optionsfile = os.path.join(treetop, file) fp = safe_open(optionsfile, 'r') loc.push(file) if (not parse(rule, 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 curpart = partstack.tos() print "Configuring ROMIMAGE %s Curimage %s" % (name, curimage) print "Curpart is %s\n" % curpart 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) dodir('/config', 'Config.lb') def endromimage(): global curimage mainboard() print "End ROMIMAGE" curimage = 0 #curpart = 0 def mainboardsetup(path): global full_mainboard_path, mainboard_path mainboard_path = os.path.join('mainboard', path) loadoptions(mainboard_path, 'Options.lb', 'mainboardvariables') full_mainboard_path = os.path.join(treetop, 'src', 'mainboard', path) vendor = re.sub("/.*", "", path) part_number = re.sub("[^/]*/", "", path) setdefault('MAINBOARD', full_mainboard_path, 0) setdefault('MAINBOARD_VENDOR', vendor, 0) setdefault('MAINBOARD_PART_NUMBER', part_number, 0) def mainboard(): global curimage, dirstack, partstack file = 'Config.lb' partdir = mainboard_path srcdir = os.path.join(treetop, 'src') fulldir = os.path.join(srcdir, partdir) type_name = flatten_name(partdir) newpart = partobj(curimage, fulldir, partstack.tos(), 'mainboard', \ type_name, 0, 'chip') #print "Configuring PART %s" % (type) partstack.push(newpart) #print " new PART tos is now %s\n" %partstack.tos().info() dirstack.push(fulldir) loadoptions(mainboard_path, 'Options.lb', 'mainboardvariables') # 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' doconfigfile(srcdir, partdir, file, 'cfgfile') 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 devicepart(type): global curimage, dirstack, partstack newpart = partobj(curimage, 0, partstack.tos(), type, \ '', 0, 'device') #print "Configuring PART %s" % (type) partstack.push(newpart) #print " new PART tos is now %s\n" %partstack.tos().info() # just push TOS, so that we can pop later. dirstack.push(dirstack.tos()) def part(type, path, file, name): 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(partdir) newpart = partobj(curimage, fulldir, partstack.tos(), type, \ type_name, name, 'chip') #print "Configuring PART %s, path %s" % (type, path) partstack.push(newpart) #print " new PART tos is now %s\n" %partstack.tos().info() 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))) oldpart = partstack.pop() dirstack.pop() #print "partstack.pop, TOS is now %s\n" % oldpart.info() 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 print "SETTING ARCH %s\n" % my_arch curimage.setarch(my_arch) setdefault('ARCH', my_arch, 1) part('arch', my_arch, 'Config.lb', 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 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 CPU_BUS: 'cpu_bus' token CHIP: 'chip' token DEFAULT: 'default' token DEFINE: 'define' token DEPENDS: 'depends' token DEVICE: 'device' 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 APIC: 'apic' token APIC_CLUSTER: 'apic_cluster' token CPU: 'cpu' token CPU_BUS: 'cpu_bus' token PCI_DOMAIN: 'pci_domain' 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<>: (stmt<>)* 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' }} # | CHIP {{ return '' }} # rule parttype: CHIP {{ return '' }} rule partdef<>: {{ name = 0 }} parttype partid [ STR {{ name = dequote(STR) }} ] {{ if (C): part(parttype, partid, 'Config.lb', name) }} partend<> rule arch<>: ARCH ID {{ if (C): setarch(ID) }} partend<> rule mainboardinit<>: MAINBOARDINIT DIRPATH {{ if (C): addcrt0include(DIRPATH)}} rule initinclude<>: INITINCLUDE STR DIRPATH {{ if (C): addinitinclude(STR, DIRPATH)}} rule initobject<>: INITOBJECT DIRPATH {{ if (C): addinitobject(DIRPATH)}} rule object<>: OBJECT DIRPATH {{ if (C): addobject(DIRPATH)}} rule driver<>: DRIVER DIRPATH {{ if (C): adddriver(DIRPATH)}} rule dir<>: DIR DIRPATH {{ if (C): dodir(DIRPATH, 'Config.lb') }} rule default<>: DEFAULT ID EQ value {{ if (C): setdefault(ID, value, 0) }} rule ldscript<>: LDSCRIPT DIRPATH {{ if (C): addldscript(DIRPATH) }} rule iif<>: IF ID {{ c = lookup(ID) }} (stmt<>)* [ ELSE (stmt<>)* ] END rule depsacts<>: ( DEPENDS STR {{ if (C): adddep(ID, STR) }} | ACTION STR {{ if (C): addaction(ID, STR) }} )* rule makerule<>: MAKERULE DIRPATH {{ if (C): addrule(DIRPATH) }} depsacts<> END rule makedefine<>: MAKEDEFINE RAWTEXT {{ if (C): adduserdefine(RAWTEXT) }} rule addaction<>: ADDACTION ID STR {{ if (C): addaction(ID, STR) }} rule init<>: INIT DIRPATH {{ if (C): addinit(DIRPATH) }} rule field: STR {{ return STR }} rule register<>: REGISTER field '=' STR {{ if (C): addregister(field, STR) }} rule enable<>: {{ val = 1 }} ( ON {{ val = 1 }} | OFF {{ val = 0 }} ) {{ if(C): partstack.tos().set_enabled(val) }} rule resource<>: {{ type = "" }} ( IO {{ type = "IORESOURCE_FIXED | IORESOURCE_ASSIGNED | IORESOURCE_IO" }} | MEM {{ type = "IORESOURCE_FIXED | IORESOURCE_ASSIGNED | IORESOURCE_MEM" }} | IRQ {{ type = "IORESOURCE_FIXED | IORESOURCE_ASSIGNED | IORESOURCE_IRQ" }} | DRQ {{ type = "IORESOURCE_FIXED | IORESOURCE_ASSIGNED | IORESOURCE_DRQ" }} ) term '=' {{ index = term }} term {{ value = term }} {{ if (C): partstack.tos().add_resource(type, index, value) }} rule resources<>: {{ if (C): partstack.tos().start_resources() }} ( resource<> )* {{ if (C): partstack.tos().end_resources() }} rule pci<>: PCI {{ if (C): devicepart('pci') }} HEX_NUM {{ slot = int(HEX_NUM,16) }} '.' HEX_NUM {{ function = int(HEX_NUM, 16) }} {{ if (C): partstack.tos().addpcipath(slot, function) }} rule pci_domain<>: PCI_DOMAIN {{ if (C): devicepart('pci_domain') }} HEX_NUM {{ pci_domain = int(HEX_NUM, 16) }} {{ if (C): partstack.tos().addpci_domainpath(pci_domain) }} rule pnp<>: PNP {{ if (C): devicepart('pnp') }} HEX_NUM {{ port = int(HEX_NUM,16) }} '.' HEX_NUM {{ device = int(HEX_NUM, 16) }} {{ if (C): partstack.tos().addpnppath(port, device) }} rule i2c<>: I2C {{ if (C): devicepart('i2c') }} HEX_NUM {{ device = int(HEX_NUM, 16) }} {{ if (C): partstack.tos().addi2cpath(device) }} rule apic<>: APIC {{ if (C): devicepart('apic') }} HEX_NUM {{ apic_id = int(HEX_NUM, 16) }} {{ if (C): partstack.tos().addapicpath(apic_id) }} rule apic_cluster<>: APIC_CLUSTER {{ if (C): devicepart('apic_cluster') }} HEX_NUM {{ cluster = int(HEX_NUM, 16) }} {{ if (C): partstack.tos().addapic_clusterpath(cluster) }} rule cpu<>: CPU {{ if (C): devicepart('cpu') }} HEX_NUM {{ id = int(HEX_NUM, 16) }} {{ if (C): partstack.tos().addcpupath(id) }} rule cpu_bus<>: CPU_BUS {{ if (C): devicepart('cpu_bus') }} HEX_NUM {{ id = int(HEX_NUM, 16) }} {{ if (C): partstack.tos().addcpu_buspath(id) }} rule dev_path<>: pci<> {{ return pci }} | pci_domain<> {{ return pci_domain }} | pnp<> {{ return pnp }} | i2c<> {{ return i2c }} | apic<> {{ return apic }} | apic_cluster<> {{ return apic_cluster }} | cpu<> {{ return cpu }} | cpu_bus<> {{ return cpu_bus }} rule prtval: expr {{ return str(expr) }} | STR {{ return STR }} rule prtlist: prtval {{ el = "%(" + prtval }} ( "," prtval {{ el = el + "," + prtval }} )* {{ return el + ")" }} rule prtstmt<>: PRINT STR {{ val = STR }} [ "," prtlist {{ val = val + prtlist }} ] {{ if (C): print eval(val) }} rule config<>: CONFIG PATH {{ if (C): addconfig(PATH) }} rule device<>: DEVICE dev_path<> enable<> resources<> partend<> rule stmt<>: arch<> {{ return arch}} | addaction<> {{ return addaction }} | config<> {{ return config}} | default<> {{ return default}} | dir<> {{ return dir}} | driver<> {{ return driver }} | iif<> {{ return iif }} | init<> {{ return init }} | initinclude<> {{ return initinclude }} | initobject<> {{ return initobject }} | ldscript<> {{ return ldscript}} | mainboardinit<> {{ return mainboardinit }} | makedefine<> {{ return makedefine }} | makerule<> {{ return makerule }} | object<> {{ return object }} | option<> {{ return option }} | partdef<> {{ return partdef }} | prtstmt<> {{ return prtstmt }} | register<> {{ return register }} | device<> {{ return device }} # ENTRY for parsing Config.lb file rule cfgfile: (uses<<1>>)* (stmt<<1>>)* EOF {{ return 1 }} rule cfgfile: (uses<<1>>)* (stmt<<1>>)* EOF {{ return 1 }} rule usesid<>: ID {{ if (C): usesoption(ID) }} rule uses<>: USES (usesid<>)+ rule mainboardvariables: (uses<<1>>)* (default<<1>>)* (option<<1>>)* END {{ return 1}} rule value: STR {{ return dequote(STR) }} | expr {{ return expr }} | DELEXPR {{ return DELEXPR }} rule option<>: OPTION ID EQ value {{ if (C): setoption(ID, value, 0) }} rule opif<>: IF ID {{ c = lookup(ID) }} (opstmt<>)* [ ELSE (opstmt<>)* ] END rule opstmt<>: option<> | opif<> | prtstmt<> rule payload<>: PAYLOAD DIRPATH {{ if (C): payload(DIRPATH) }} rule mainboard: MAINBOARD PATH {{ mainboardsetup(PATH) }} rule romif<>: IF ID {{ c = lookup(ID) }} (romstmt<>)* [ ELSE (romstmt<>)* ] END rule romstmt<>: romif<> | option<> | payload<> 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("config", "Options.lb", "options") }} TARGET DIRPATH {{ target(DIRPATH) }} mainboard (romstmts)* EOF {{ return 1 }} # ENTRY for parsing a delayed value rule delexpr: "{" expr "}" EOF {{ return expr }} rule wrstr<>: STR {{ setwrite(ID, dequote(STR)) }} rule defstmts<>: {{ 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<>)+ )+ {{ return d }} rule define: DEFINE ID {{ newoption(ID) }} defstmts<> 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 is autogenerated\n" % fname) def writemakefilefooter(file, fname): file.write("\n\n%s: %s %s\n" % (os.path.basename(fname), os.path.abspath(sys.argv[0]), top_config_file)) file.write("\t(cd %s ; %s %s %s)\n\n" % (os.getcwd(), 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) writemakefilefooter(file, filename) 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") writemakefilefooter(file,filename) 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) # main rule file.write("\nall: linuxbios.rom\n\n") file.write(".PHONY: all\n\n") #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") # 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) writemakefilefooter(file, makefilepath) file.close() # def writemakefile(path): makefilepath = os.path.join(path, "Makefile") print "Creating", makefilepath file = safe_open(makefilepath, 'w+') writemakefileheader(file, makefilepath) # main rule file.write("\nall:") for i in buildroms: file.write(" %s" % i.name) file.write("\n\n") file.write("include Makefile.settings\n\n") for i, o in romimages.items(): file.write("%s/linuxbios.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\n" % o.getname()) for i in buildroms: file.write("%s:" % i.name) for j in i.roms: file.write(" %s/linuxbios.rom " % j) file.write("\n") file.write("\t cat ") for j in i.roms: file.write(" %s/linuxbios.rom " % j) file.write("> %s\n\n" %i.name) file.write(".PHONY: all clean") for i in romimages.keys(): file.write(" %s-clean" % i) for i, o in romimages.items(): file.write(" %s/linuxbios.rom" % o.getname()) file.write("\n\n") writemakefilefooter(file, makefilepath) 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.next_sibling while (kid): kid.dumpme(lvl) kid = kid.next_sibling # dump the kids debug.info(debug.dumptree, "DUMPTREE KIDS are") #for kid in part.children: if (part.children): dumptree(part.children, lvl+1) kid = part.next_sibling while (kid): if (kid.children): dumptree(kid.children, lvl + 1) kid = kid.next_sibling 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 \n") file.write("#include \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.next_sibling while (kid): kid.gencode(file, pass_num) kid = kid.next_sibling # now dump the children debug.info(debug.gencode, "GENCODE KIDS are") if (part.children): gencode(part.children, file, pass_num) kid = part.next_sibling while (kid): if (kid.children): gencode(kid.children, file, pass_num) kid = kid.next_sibling 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): warning("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): notice("Exported option %s has no value (check Options.lb)" % op.name); #============================================================================= # MAIN PROGRAM #============================================================================= if __name__=='__main__': from sys import argv if (len(argv) < 3): fatal("Args: ") 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)