/[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 38 by dpavlin, Mon Oct 8 16:21:53 2007 UTC revision 42 by dpavlin, Mon Oct 8 16:22:32 2007 UTC
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1  Release notes for Gavare's eXperimental Emulator (GXemul), 0.4.5  Release notes for Gavare's eXperimental Emulator (GXemul), 0.4.6
2  ================================================================  ================================================================
3    
4  Copyright (C) 2003-2007  Anders Gavare.  Copyright (C) 2003-2007  Anders Gavare.
# 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, SuperH) are emulated using dynamic  Processors (ARM, MIPS, PowerPC, and SuperH) are emulated using dynamic
13  translation. Unlike some other dynamically translating emulators, GXemul  translation. Unlike some other dynamically translating emulators, GXemul
14  does not need to generate native code, only a "runnable intermediate  does not need to generate native code, only a "runnable intermediate
15  representation", and will thus run on any host architecture.  representation", and will thus run on any host architecture.
# Line 19  be regarded as "working" in GXemul. The Line 19  be regarded as "working" in GXemul. The
19  systems are probably NetBSD/pmax and NetBSD/cats.  systems are probably NetBSD/pmax and NetBSD/cats.
20    
21    
22  The changes between release 0.4.4.1 and 0.4.5 include, among other things:  The changes between release 0.4.5.1 and 0.4.6 include, among other things:
23    
24      o)  Initial support for "disk overlays" has been implemented. This      o)  NetBSD/pmppc can now run in the emulator (with root-on-nfs), on
25          enables e.g. simple roll-back of emulated disk contents to a          an emulated Artesyn PM/PPC board.
26          previous state.  
27        o)  An instruction combination has been implemented for the idle loop
28      o)  Dyntrans bug fixes; code translations on physical addresses that          used by NetBSD/arm (cats, netwinder, and iq80321). In plain English,
29          were offset a multiple of 128 MB from each other could either          this means that if the guest OS inside the emulator is not using
30          cause weird bugs, or translation leaks (leading to unnecessary          any CPU, the emulator should not use much CPU on the host either.
31          dyntrans cache overflows).  
32        o)  Some minor SuperH emulation speed improvements.
33      o)  Some cleanup: The GDB debugging stub support, some dummy machine  
34          modes (TS7200, Walnut, PB1000, and Meshcube), and some dummy or      o)  General code cleanup: Non-working (skeleton) emulation modes have
35          experimental CPUs (RCA180x and Transputer) have been removed, to          been removed, to make it easier to maintain the source code in
36          make the emulator slightly more maintainable.          the long run, and many unused/legacy constructs have been removed.
37    
38  Please read the HISTORY file for more details.  Please read the HISTORY file for more details.
39    
# Line 134  them like this is in order: Line 134  them like this is in order:
134    
135      This product includes software developed by Marcus Comstedt.      This product includes software developed by Marcus Comstedt.
136    
137        This product includes software developed by Bill Paul.
138    
139        This product includes software developed by Nivas Madhur.
140    
141  Also, src/include/alpha_rpb.h requires the following:  Also, src/include/alpha_rpb.h requires the following:
142    
143      Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.      Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
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