[Hackndev-commit] SF.net SVN: hackndev: [1211] cocoboot/trunk/tools/traceserial.py

[<bob...@us...>]

Revision: 1211
          http://hackndev.svn.sourceforge.net/hackndev/?rev=1211&view=rev
Author:   bobofdoom
Date:     2007-07-27 17:38:08 -0700 (Fri, 27 Jul 2007)

Log Message:
-----------
Cocoboot: Added serial trace parsing script.

Added Paths:
-----------
    cocoboot/trunk/tools/traceserial.py

Added: cocoboot/trunk/tools/traceserial.py
===================================================================
--- cocoboot/trunk/tools/traceserial.py	                        (rev 0)
+++ cocoboot/trunk/tools/traceserial.py	2007-07-28 00:38:08 UTC (rev 1211)
@@ -0,0 +1,62 @@
+#!/usr/bin/env python
+import struct
+import sys
+import string
+
+if len(sys.argv) < 2:
+	print 'Usage: %s cocoboot.trc' % sys.argv[0]
+	print 'Decodes a raw cocoboot trace dump file to serial'
+	sys.exit(-1)
+
+write_pc = 0x730b5256
+read_pc = 0x730b4bb6
+
+olddir = ''
+f = file(sys.argv[1], 'rb')
+while 1:
+	data = f.read(16*4)
+	if not data: break
+
+	words = struct.unpack('<16I', data)
+	pc = words[14]
+	
+	if pc == read_pc:
+		dir = 'Read '
+		val = words[2]
+	elif pc == write_pc:
+		dir = 'Write'
+		val = words[1]
+	else:
+		dir = 'Unkn'
+		val = words[1]
+
+	if dir != olddir:
+		sys.stdout.write('\n' + dir + ': ')
+		olddir = dir
+
+	s = struct.pack('<I', val)
+	out = []
+	for c in s:
+		if c == '\r': continue
+		if c not in string.printable:
+			out.append('.')
+		else:
+			out.append(c)
+	
+	sys.stdout.write(''.join(out))
+	
+	"""
+	for i, w in zip(range(len(words)), words):
+		s = str(struct.pack('<I', w))
+		if i == 0:
+			reg = '   '
+		elif i == 14:
+			reg = 'PC '
+		elif i == 15:
+			reg = '   '
+		else:
+			reg = 'r%-2d' % (i-1)
+		print '%s = %08x %-10d %s' % (reg, w,w, repr(s))
+	"""
+	#print '-' * 20
+	#print


Property changes on: cocoboot/trunk/tools/traceserial.py
___________________________________________________________________
Name: svn:executable
   + *


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