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#!/usr/bin/python
# __________ __ ___.
# Open \______ \ ____ ____ | | _\_ |__ _______ ___
# Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
# Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
# Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
# \/ \/ \/ \/ \/
# $Id$
#
# Copyright (C) 2007 Catalin Patulea <cat@vv.carleton.ca>
#
# All files in this archive are subject to the GNU General Public License.
# See the file COPYING in the source tree root for full license agreement.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
import sys, os.path, array, re
from xml.dom import Node
from xml.dom.minidom import parse
C_IDENT_RE = re.compile('^[0-9a-zA-Z_]+$')
def getText(nodelist):
rc = ""
for node in nodelist:
if node.nodeType == node.TEXT_NODE:
rc = rc + node.data
return rc
def descendAll(root, tagname):
for child in root.childNodes:
if child.nodeType == Node.ELEMENT_NODE and child.tagName == tagname:
yield child
def descend(root, tagname):
return descendAll(root, tagname).next()
def getTagText(root, tagname):
try:
tag = descend(root, tagname)
except StopIteration:
return None
return getText(tag.childNodes)
def main():
dom = parse(sys.stdin)
ofd = descend(dom, "ofd")
object_file = descend(ofd, "object_file")
object_file_name = descend(object_file, "name")
out_filepath = getText(object_file_name.childNodes)
sys.stderr.write("*.out filename (input): %s\n" % out_filepath)
out_file = open(out_filepath, "rb")
h_file = sys.stdout
h_file.write("""#ifndef DSP_IMAGE
#define DSP_IMAGE
/*
* Automatically generated by xml2h.py from %s.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
""" % out_filepath)
# Section data and directory.
h_directory = ["""
static const struct dsp_section dsp_image[] = {"""]
ti_coff = descend(object_file, "ti_coff")
for section in descendAll(ti_coff, "section"):
page = int(getTagText(section, "page") or "0", 16)
name = getTagText(section, "name")
physical_addr = int(getTagText(section, "physical_addr"), 16)
raw_data_size = int(getTagText(section, "raw_data_size"), 16)
copy = getTagText(section, "copy")
data = getTagText(section, "data")
regular = getTagText(section, "regular")
text = getTagText(section, "text")
bss = getTagText(section, "bss")
file_offsets = descend(section, "file_offsets")
raw_data_ptr = int(getTagText(file_offsets, "raw_data_ptr"), 16)
if copy:
# Empirically, .debug* sections have this attribute set.
sys.stderr.write(
"%s: didn't copy debug section ('copy' attribute set)\n" %
name)
continue
if raw_data_size == 0:
sys.stderr.write("%s: not copying empty section\n" % name)
continue
if raw_data_size % 2 != 0:
sys.stderr.write("%s: error, raw_data_size 0x%04x not a multiple "
"of word size (2 bytes)\n" % (name, raw_data_size))
break
if data or regular or text:
sys.stderr.write("%s: placing 0x%04x words at 0x%04x from offset "
"0x%08x\n" % (
name, raw_data_size >> 1, physical_addr, raw_data_ptr))
sanitized_name = name.replace(".", "_")
h_file.write(("static const unsigned short _section%s[] = {\n" %
sanitized_name))
out_file.seek(raw_data_ptr)
data = array.array('H')
data.fromfile(out_file, raw_data_size >> 1)
h_file.write("\t")
for word in data:
h_file.write("0x%04x, " % word)
h_file.write("""
};
""")
h_directory.append("\t{_section%s, 0x%04x, 0x%04x}," % (
sanitized_name, physical_addr, raw_data_size >> 1))
continue
if bss:
sys.stderr.write("%s: bss section, 0x%04x words at 0x%04x\n" % (
name, raw_data_size >> 1, physical_addr))
h_directory.append("\t{NULL /* %s */, 0x%04x, 0x%04x}," % (
name, physical_addr, raw_data_size >> 1))
continue
sys.stderr.write("%s: error, unprocessed section\n" % name)
h_file.write("\n")
h_directory.append("\t{NULL, 0, 0}")
h_directory.append("};")
h_file.write("\n".join(h_directory))
h_file.write("\n")
# Symbols.
symbol_table = descend(ti_coff, "symbol_table")
h_file.write("""
/* Symbol table, usable with the DSP_() macro (see dsp-target.h). */
""")
for symbol in descendAll(symbol_table, "symbol"):
name = getTagText(symbol, "name")
kind = getTagText(symbol, "kind")
value = int(getTagText(symbol, "value"), 16)
if kind != "defined":
continue
if not C_IDENT_RE.match(name):
continue
h_file.write("#define %s 0x%04x\n" % (name, value))
h_file.write("\n#endif\n")
h_file.close()
out_file.close()
dom.unlink()
if __name__ == "__main__":
main()
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