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988ea49c26
1. We are not making a new clcd service container, as we dont want to keep separate container for each device, ultimately we will have one container managing all devices. 2. CLCD driver needs to be added.
117 lines
3.2 KiB
Python
Executable File
117 lines
3.2 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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CONTAINERS%
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'''
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default_number_of_containers = \
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'''
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default CONTAINERS from 1
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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${CONTID}_CAP_DEVICE_${DEVNAME}_USE == y suppress
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'''
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device_suppress_sym = \
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'''\tcont${CONTID}_cap_device_${DEVNAME_LOWER}
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'''
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devices = ['UART1', 'UART2', 'UART3', 'TIMER1',
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'KEYBOARD0', 'MOUSE0', 'CLCD0']
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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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fbody += default_number_of_containers
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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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