/[gxemul]/upstream/0.4.6/RELEASE
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
ViewVC logotype

Diff of /upstream/0.4.6/RELEASE

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 30 by dpavlin, Mon Oct 8 16:20:40 2007 UTC revision 40 by dpavlin, Mon Oct 8 16:22:11 2007 UTC
# Line 1  Line 1 
1  Release notes for Gavare's eXperimental Emulator (GXemul), 0.4.2  Release notes for Gavare's eXperimental Emulator (GXemul), 0.4.5.1
2  ================================================================  ==================================================================
3    
4  Copyright (C) 2003-2006  Anders Gavare.  Copyright (C) 2003-2007  Anders Gavare.
5    
6    
7  GXemul is an experimental instruction-level machine emulator. Several  GXemul is an experimental instruction-level machine emulator. Several
# Line 9  emulation modes are available. In some m Line 9  emulation modes are available. In some m
9  hardware components are emulated well enough to let unmodified operating  hardware components are emulated well enough to let unmodified operating
10  systems (e.g. NetBSD) run as if they were running on a real machine.  systems (e.g. NetBSD) run as if they were running on a real machine.
11    
12    Processors (ARM, MIPS, PowerPC, and SuperH) are emulated using dynamic
13    translation. Unlike some other dynamically translating emulators, GXemul
14    does not need to generate native code, only a "runnable intermediate
15    representation", and will thus run on any host architecture.
16    
17  The documentation lists the machines and guest operating systems that can  The documentation lists the machines and guest operating systems that can
18  be regarded as "working" in GXemul. The best working guest operating  be regarded as "working" in GXemul. The best working guest operating
19  systems are probably NetBSD/pmax, NetBSD/cats, and OpenBSD/cats.  systems are probably NetBSD/pmax and NetBSD/cats.
   
20    
 Changes between release 0.4.1 and 0.4.2 include, among other things:  
21    
22      o)  The NetWinder emulation mode now works well enough to let  The changes between release 0.4.4.1 and 0.4.5 include, among other things:
         NetBSD/netwinder run from a disk image.  
23    
24          (NetBSD/netwinder has to be installed manually, though, because      o)  Initial support for "disk overlays" has been implemented. This
25          there is no installation ramdisk kernel. The GXemul documentation          enables e.g. simple roll-back of emulated disk contents to a
26          has an example of how to install NetBSD/netwinder using an emulated          previous state.
         NetBSD/pmax machine.)  
27    
28      o)  Algorithmics P5064 emulation works well enough to let NetBSD/algor      o)  Dyntrans bug fixes; code translations on physical addresses that
29          run from a disk image. (Similar to NetBSD/netwinder, it has to          were offset a multiple of 128 MB from each other could either
30          be installed manually, using another emulated machine.)          cause weird bugs, or translation leaks (leading to unnecessary
31            dyntrans cache overflows).
32    
33      o)  PCI configuration register writes can now be handled, which allows      o)  Some cleanup: The GDB debugging stub support, some dummy machine
34          NetBSD/Malta (evbmips) 3.0.1 and NetBSD/cobalt 3.0.1 to run from          modes (TS7200, Walnut, PB1000, and Meshcube), and some dummy or
35          PCI IDE harddisk images. (Previously, only NetBSD 2.1 worked for          experimental CPUs (RCA180x and Transputer) have been removed, to
36          the Malta and Cobalt emulation modes.)          make the emulator slightly more maintainable.
37    
38      o)  Some performance increases:  The changes between release 0.4.5 and 0.4.5.1 include, among other things:
39    
40          The virtual translation table update routine has been simplified      o)  OpenBSD/landisk has now had its first release (4.1, 2007-05-01).
41          to work the same way for 32-bit and 64-bit emulation, and this          Landisk emulation is now stable enough to allow OpenBSD/landisk
42          apparently results in a speedup for all 64-bit modes.          to be installed onto a disk image, and run from it.
43    
44          For 32-bit MIPS, some more instruction combinations have been added.      o)  Finally found and fixed an old bug in the address to symbol name
45            lookup mechanism, which caused some symbols to be missed. Debug
46            output with -t or -i should now show all symbols.
47    
48  Please read the HISTORY files for more details.  Please read the HISTORY file for more details.
49    
50    
51  Files included in this release are:  Files included in this release are:
# Line 138  them like this is in order: Line 142  them like this is in order:
142    
143      This product includes software developed by Ichiro FUKUHARA.      This product includes software developed by Ichiro FUKUHARA.
144    
145        This product includes software developed by Marcus Comstedt.
146    
147        This product includes software developed by Bill Paul.
148    
149  Also, src/include/alpha_rpb.h requires the following:  Also, src/include/alpha_rpb.h requires the following:
150    
151      Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.      Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
# Line 155  See individual files for license details Line 163  See individual files for license details
163  or reuse code.  or reuse code.
164    
165    
 Thanks to (in no specific order) Joachim Buss, Olivier Houchard, Juli Mallett,  
 Juan Romero Pardines, Alec Voropay, Göran Weinholt, Alexander Yurchenko, and  
 everyone else who has provided me with feedback.  
   
166  If you have found GXemul useful in some way, or feel like sending me comments  If you have found GXemul useful in some way, or feel like sending me comments
167  or feedback in general, then mail me at anders(at)gavare.se.  or feedback in general, then mail me at anders(At)gavare.se.
168    
Legend:
Removed from v.30  
changed lines
  Added in v.40
  ViewVC Help
Powered by ViewVC 1.1.26