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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