summaryrefslogtreecommitdiffstats
path: root/tools/xml2h.py
diff options
context:
space:
mode:
authorMaurus Cuelenaere <mcuelenaere@gmail.com>2008-05-16 21:16:01 +0000
committerMaurus Cuelenaere <mcuelenaere@gmail.com>2008-05-16 21:16:01 +0000
commitac67d701738733035d051312f48a05963e1e0d80 (patch)
tree66ea7b89e1f39c00c1683e809f69dd30f01fcc07 /tools/xml2h.py
parent7a8fc3fd9db99fa16976baf7e78059ad766a3ce5 (diff)
downloadrockbox-ac67d701738733035d051312f48a05963e1e0d80.tar.gz
rockbox-ac67d701738733035d051312f48a05963e1e0d80.tar.bz2
rockbox-ac67d701738733035d051312f48a05963e1e0d80.zip
Add beginning of DSP code (done by Catalin Patulea), but don't enable it
yet as there's no C54xx compiler in the toolchain yet.. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17547 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'tools/xml2h.py')
-rw-r--r--tools/xml2h.py191
1 files changed, 191 insertions, 0 deletions
diff --git a/tools/xml2h.py b/tools/xml2h.py
new file mode 100644
index 0000000000..d259c5ba3c
--- /dev/null
+++ b/tools/xml2h.py
@@ -0,0 +1,191 @@
+#!/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()