/[gxemul]/trunk/RELEASE
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 22 by dpavlin, Mon Oct 8 16:19:37 2007 UTC revision 38 by dpavlin, Mon Oct 8 16:21:53 2007 UTC
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1  Release notes for Gavare's eXperimental Emulator (GXemul), 0.3.8  Release notes for Gavare's eXperimental Emulator (GXemul), 0.4.5
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  The documentation lists the machines and guest operating systems that can  Processors (ARM, MIPS, PowerPC, SuperH) are emulated using dynamic
13  be regarded as "working" in GXemul. The best supported guest operating  translation. Unlike some other dynamically translating emulators, GXemul
14  systems are probably NetBSD/pmax, NetBSD/cats, and OpenBSD/cats.  does not need to generate native code, only a "runnable intermediate
15    representation", and will thus run on any host architecture.
 The user-visible changes between release 0.3.7 and 0.3.8 include:  
16    
17      o)  The IQ80321 (Xscale) machine mode is now working well enough to  The documentation lists the machines and guest operating systems that can
18          run NetBSD/evbarm 2.1.  be regarded as "working" in GXemul. The best working guest operating
19    systems are probably NetBSD/pmax and NetBSD/cats.
20    
     o)  Faster framebuffer output in some situations.  
21    
22  Source code related changes include:  The changes between release 0.4.4.1 and 0.4.5 include, among other things:
23    
24      o)  I've finally begun to reimplement the MIPS emulation mode using the      o)  Initial support for "disk overlays" has been implemented. This
25          new dyntrans system. It will be quite some time until it can run          enables e.g. simple roll-back of emulated disk contents to a
26          anything, but things are moving in the right direction.          previous state.
27    
28      o)  Some changes to the concepts of input-only, output-only, and      o)  Dyntrans bug fixes; code translations on physical addresses that
29          input-output consoles.          were offset a multiple of 128 MB from each other could either
30            cause weird bugs, or translation leaks (leading to unnecessary
31            dyntrans cache overflows).
32    
33      o)  Some more clean-up of PCI bus concepts.      o)  Some cleanup: The GDB debugging stub support, some dummy machine
34            modes (TS7200, Walnut, PB1000, and Meshcube), and some dummy or
35            experimental CPUs (RCA180x and Transputer) have been removed, to
36            make the emulator slightly more maintainable.
37    
38      o)  Machine definitions have been moved out of src/machines.c, and into  Please read the HISTORY file for more details.
         individual files in a new sub-directory (src/machines/).  
39    
 There have also been lots of other changes, too many and small to mention here.  
40    
41  Files included in this release are:  Files included in this release are:
42    
   BUGS                        A list of known bugs.  
43    HISTORY                     Detailed revision history / changelog.    HISTORY                     Detailed revision history / changelog.
44    LICENSE                     Copyright message / license.    LICENSE                     Copyright message / license.
45    README                      Quick start instructions, for the impatient.    README                      Quick start instructions, for the impatient.
46    RELEASE                     This file.    RELEASE                     This file.
47    TODO                        TODO notes.    TODO                        TODO notes.
48    configure, Makefile.skel    sh and make scripts for building GXemul.    configure, Makefile.skel    sh and make scripts for building GXemul.
49      demos                       Tutorial-like demos of testmachine functionality.
50    doc                         Documentation.    doc                         Documentation.
51    experiments                 Experimental code. (Usually not needed.)    experiments                 Experimental code. (Usually not needed.)
52    src                         Source code.    src                         Source code.
53    
54  To build the emulator, run the ./configure script, and then run make. This  To build the emulator, run the configure script, and then run make. This
55  should work on most Unix-like systems.  should work on most Unix-like systems.
56    
57    
58  Regarding files in the src/include/ directory: only some of these are written  Regarding files in the src/include/ directory: only some of these are written
59  by me, the rest are from other sources (such as NetBSD). The license text says  by me, the rest are from other sources (such as NetBSD). The license text says
60  that "All advertising materials mentioning features or use of this software"  that "All advertising materials mentioning features or use of this software"
# Line 127  them like this is in order: Line 130  them like this is in order:
130    
131      This product includes software developed by the Alice Group.      This product includes software developed by the Alice Group.
132    
133        This product includes software developed by Ichiro FUKUHARA.
134    
135        This product includes software developed by Marcus Comstedt.
136    
137  Also, src/include/alpha_rpb.h requires the following:  Also, src/include/alpha_rpb.h requires the following:
138    
139      Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.      Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
# Line 143  Also, src/include/alpha_rpb.h requires t Line 150  Also, src/include/alpha_rpb.h requires t
150  See individual files for license details, if you plan to redistribute GXemul  See individual files for license details, if you plan to redistribute GXemul
151  or reuse code.  or reuse code.
152    
 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.  
153    
154  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
155  or feedback in general, then mail me at anders(at)gavare.se.  or feedback in general, then mail me at anders(At)gavare.se.
156    
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