/usr/bin/tos-storage-at45db is in tinyos-tools 1.4.2-3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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# Copyright (c) 2006-2007 Intel Corporation
# All rights reserved.
#
# This file is distributed under the terms in the attached INTEL-LICENSE
# file. If you do not find these files, copies can be found by writing to
# Intel Research Berkeley, 2150 Shattuck Avenue, Suite 1300, Berkeley, CA,
# 94704. Attention: Intel License Inquiry.
from xml.dom import *
from xml.dom.minidom import *
from re import match
from sys import *
from subprocess import Popen, PIPE
from getopt import *
import string
import commands
#New way of handling arguments........
try:
opts, args = getopt(argv[1:], "ts:f:", [])
except GetoptError, err:
print str(err) # will print something like "option -a not recognized"
stderr.write("Usage: tos-storage-at45db [-t] [-s <sector size>] [-f <flash size in sectors>] <platform directory>\n")
sector_size = 256
flash_size = 2048 # in sectors
cthreads = False
for o, a in opts:
if o == "-t":
cthreads = True
elif o == "-s":
sector_size = int(a)
elif o == "-f":
flash_size = int(a)
else:
assert False, "unhandled option"
if len( args ) == 1:
platformdir = args[0]
# This gives the whole string when there's no / in platformdir
platform = platformdir[platformdir.rfind( "/" ) + 1:]
elif len( args ) == 0:
platformdir = ""
platform = ""
else:
stderr.write("Usage: tos-storage-at45db [-t] <platform directory>\n")
# print an error message and exit
def nfail(s):
stderr.write(s + "\n")
exit(2)
volumes = {}
volmap = []
volumeNames = []
volumeTypes = dict()
volumeOptions = dict()
def check_volume(name, base, size):
if base == "":
base = None
else:
try:
base = int(base)
except ValueError:
nfail("invalid base for volume %s" % name)
if (base & (sector_size - 1)) != 0:
nfail("base of volume %s is not a multiple of %d" % (name, sector_size))
base /= sector_size
try:
size = int(size)
except ValueError:
nfail("invalid size for volume %s" % name)
if (size & (sector_size - 1)) != 0:
nfail("size of volume %s is not a multiple of %d" % (name, sector_size))
size /= sector_size
name = name.upper()
if volumes.has_key(name):
nfail("duplicate definition of volume %s" % name)
if not match("^[a-zA-Z0-9_]+$", name):
nfail("invalid volume name %s" % name)
volumes[name] = (base, size)
def allocate_at(name, base, size):
# check for overlap of existing allocations
for (vname, vbase, vsize) in volmap:
if base in range(vbase, vbase + vsize) or base + size - 1 in range(vbase, vbase + vsize) or vbase in range(base, base + size) or vbase + vsize - 1 in range(base, base + size):
nfail("volume %s overlaps volume %s" % (name, vname))
# insert at correct position
for i in range(len(volmap)):
if base < volmap[i][1]:
volmap.insert(i, (name, base, size))
return
# it's the last volume...
volmap.append((name, base, size))
def allocate(name, size):
# We just do first fit. We could spend endless effort doing better.
base = 0
for i in range(len(volmap)):
(vname, vbase, vsize) = volmap[i]
if base < vbase and size <= vbase - base:
volmap.insert(i, (name, base, size))
return
base = vbase + vsize
volmap.append((name, base, size))
def expand_path(path):
substrs = path.split("%")
path = substrs[0]
i = 1
while i < len(substrs):
if substrs[i] == "":
# There was a %%, leading to a blank substring, and the next string
# should just be appended
path += "%"
i = i + 1
if i < len(substrs):
path += substrs[i]
else:
# The first character of the string is the one that followed %
c = substrs[i][0]
if c == 'p':
sub = platform
elif c == 'P':
sub = platformdir
elif c == 'T':
sub = Popen(["ncc", "-print-tosdir"], stdout=PIPE).communicate()[0]
sub = sub[:-1] # remove newline
else:
nfail("unknown include-path substitution character " + c)
path += sub
path += substrs[i][1:]
i = i + 1
return path
def volumeparse(file, fname, depth):
if depth > 10:
nfail("include nesting too deep - check for cycles")
try:
dom = parse(file)
except xml.parsers.expat.ExpatError:
nfail(fname + " is not a valid input file")
except IOError:
nfail("couldn't open file " + fname)
for volume in dom.documentElement.getElementsByTagName("volume"):
name = volume.getAttribute("name")
size = volume.getAttribute("size")
base = volume.getAttribute("base")
type = string.lower(volume.getAttribute("type"))
isCircular = string.upper(volume.getAttribute("circular"))
if isCircular == "":
isCircular = "FALSE"
if name == None:
nfail("name omitted in volume " + fname)
if size == None:
nfail("size omitted in volume %s %s" % (name, fname))
check_volume(name, base, size)
volumeNames.append( "VOLUME_" + name )
volumeTypes["VOLUME_" + name] = type
volumeOptions["VOLUME_" + name] = isCircular
for include in dom.documentElement.getElementsByTagName("include"):
included = include.firstChild
if included != None and included.nodeType == included.TEXT_NODE:
included = expand_path(included.data)
volumeparse(included, "(file %s)" % included, depth + 1)
else:
nfail("invalid include directive " + fname)
dom.unlink()
volumeparse(stdin, "(standard input)", 0)
# allocate fixed-address volumes
for name in volumes.keys():
(base, size) = volumes[name]
if base != None:
allocate_at(name, base, size)
# allocate movable volumes
for name in volumes.keys():
(base, size) = volumes[name]
if base == None:
allocate(name, size)
if len(volmap) == 0:
nfail("no volumes")
(lastname, lastbase, lastsize) = volmap[len(volmap) - 1]
if lastbase + lastsize > flash_size:
nfail("out of space (using %d bytes, have only %d)" %
((lastbase + lastsize) * sector_size, flash_size * sector_size))
# print some code
print "#ifndef STORAGE_VOLUMES_H"
print "#define STORAGE_VOLUMES_H"
print
print "enum {"
for (vname, vbase, vsize) in volmap:
print " VOLUME_%s, " % vname
print "};"
print
print "#endif"
print "#if defined(VS)"
for (vname, vbase, vsize) in volmap:
print "VS(VOLUME_%s, %d)" % (vname, vsize)
print "#undef VS"
print "#endif"
print "#if defined(VB)"
for (vname, vbase, vsize) in volmap:
print "VB(VOLUME_%s, %d)" % (vname, vbase)
print "#undef VB"
print "#endif"
# output nc file for threads
if cthreads == True:
outFile = open(commands.getstatusoutput("pwd")[1] + "/VolumeMapC.nc", "w")
outFile.write("#include \"StorageVolumes.h\" \n")
outFile.write("\n")
outFile.write("configuration VolumeMapC { \n")
outFile.write(" provides { \n")
outFile.write(" interface BlockRead[uint8_t volume_id]; \n")
outFile.write(" interface BlockWrite[uint8_t volume_id]; \n")
outFile.write(" interface LogRead[uint8_t volumeId]; \n")
outFile.write(" interface LogWrite[uint8_t volumeId]; \n")
outFile.write(" interface Mount[uint8_t volumeId]; \n")
outFile.write(" interface ConfigStorage[uint8_t volumeId]; \n")
outFile.write(" } \n")
outFile.write("} \n")
outFile.write("\n")
outFile.write("implementation { \n")
outFile.write(" components VolumeMapP; \n")
outFile.write("\n")
outFile.write(" BlockRead = VolumeMapP; \n")
outFile.write(" BlockWrite = VolumeMapP; \n")
outFile.write(" LogRead = VolumeMapP; \n")
outFile.write(" LogWrite = VolumeMapP; \n")
outFile.write(" Mount = VolumeMapP; \n")
outFile.write(" ConfigStorage = VolumeMapP; \n")
for i in range(len(volumeNames)):
if volumeTypes[volumeNames[i]] == "block":
outFile.write("\n")
outFile.write(" components new BlockStorageC(" + volumeNames[i] + ") as BlockStorageC_" + volumeNames[i] + "; \n")
outFile.write(" VolumeMapP.SubBlockRead[" + volumeNames[i] + "] -> BlockStorageC_" + volumeNames[i] + "; \n")
outFile.write(" VolumeMapP.SubBlockWrite[" + volumeNames[i] + "] -> BlockStorageC_" + volumeNames[i] + "; \n")
outFile.write("\n")
elif volumeTypes[volumeNames[i]] == "log":
outFile.write("\n")
outFile.write(" components new LogStorageC(" + volumeNames[i] + ", " + volumeOptions[volumeNames[i]] + ") as LogStorageC_" + volumeNames[i] + "; \n")
outFile.write(" VolumeMapP.SubLogRead[" + volumeNames[i] + "] -> LogStorageC_" + volumeNames[i] + "; \n")
outFile.write(" VolumeMapP.SubLogWrite[" + volumeNames[i] + "] -> LogStorageC_" + volumeNames[i] + "; \n")
outFile.write("\n")
elif volumeTypes[volumeNames[i]] == "config":
outFile.write(" components new ConfigStorageC(" + volumeNames[i] + ") as ConfigStorageC_" + volumeNames[i] + "; \n")
outFile.write(" Mount[" + volumeNames[i] + "] = ConfigStorageC_" + volumeNames[i] + "; \n")
outFile.write(" ConfigStorage[" + volumeNames[i] + "] = ConfigStorageC_" + volumeNames[i] + "; \n")
outFile.write("} \n")
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