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https://github.com/drasko/codezero.git
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108 lines
3.0 KiB
Python
Executable File
108 lines
3.0 KiB
Python
Executable File
#! /usr/bin/env python2.6
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# -*- mode: python; coding: utf-8; -*-
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#
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# Codezero -- a microkernel for embedded systems.
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#
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# Copyright © 2009 B Labs Ltd
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#
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import os, sys, shelve, glob
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from os.path import join
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from string import Template
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PROJRELROOT = '../../'
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sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), PROJRELROOT)))
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sys.path.append(os.path.abspath("../"))
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from config.projpaths import *
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from config.configuration import *
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containers_menu = \
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'''
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menu containers_menu
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CAPABILITIES
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'''
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containers_constraint = \
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'''
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unless CONTAINERS > %d suppress cont%d_menu
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'''
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def add_container_constraint(cid):
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cml_string = ""
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if cid == 0:
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return ""
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cml_string = containers_constraint % (cid, cid)
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return cml_string
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device_suppress_rule = \
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'''
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when CONT${CONTID}_CAP_${DEVNAME}_DEVICE_USE == y suppress
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'''
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device_suppress_sym = \
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'''\tcont${CONTID}_device_${DEVNAME_LOWER}
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'''
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devices = ['UART1', 'UART2', 'UART3', 'TIMER1']
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#
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# When a symbol is used by a single container, sometimes it is
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# necessary to hide it in other containers. This cannot be
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# achieved statically but rather needs to be autogenerated
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# depending on the number of containers used.
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#
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def generate_container_suppress_rules(ncont):
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finalstr = ''
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# For each device on the platform
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for devname in devices:
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# Generate rule for each container
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for cont in range(ncont):
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# Create string templates
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rule_templ = Template(device_suppress_rule)
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sym_templ = Template(device_suppress_sym)
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rulestr = rule_templ.substitute(CONTID = cont, DEVNAME = devname)
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symstr = ''
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# Fill for each container
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for other_cont in range(ncont):
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if other_cont == cont:
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continue
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symstr += sym_templ.substitute(CONTID = other_cont, DEVNAME_LOWER = devname.lower())
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finalstr += rulestr + symstr + "\n"
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return finalstr
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def generate_container_cml(arch, ncont):
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print "Autogenerating new rule file"
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fbody = ""
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with open(join(CML2_CONFIG_SRCDIR, arch + '.ruleset')) as in_ruleset:
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fbody += in_ruleset.read()
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# Add container visibility constraint
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for cont in range(ncont):
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fbody += add_container_constraint(cont)
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# Generate the containers menu with as many entries as containers
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fbody += containers_menu
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for cont in range(ncont):
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fbody += '\tcont%d_menu\n' % cont
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# Generate inter-container suppression rules for as many rules as containers
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fbody += generate_container_suppress_rules(ncont)
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# Write each container's rules
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for cont in range(ncont):
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with open(CML2_CONT_DEFFILE, "rU") as contdefs:
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defbody = contdefs.read()
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defbody = defbody.replace("%\n", "%%\n")
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fbody += defbody % { 'cn' : cont }
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# Write the result to output rules file.
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with open(CML2_AUTOGEN_RULES, "w+") as out_cml:
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out_cml.write(fbody)
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return CML2_AUTOGEN_RULES
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if __name__ == "__main__":
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generate_container_cml('arm', 4)
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