/[gxemul]/trunk/man/gxemul.1
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revision 16 by dpavlin, Mon Oct 8 16:19:01 2007 UTC revision 18 by dpavlin, Mon Oct 8 16:19:11 2007 UTC
# Line 1  Line 1 
1  .\" $Id: gxemul.1,v 1.34 2005/10/11 03:53:58 debug Exp $  .\" $Id: gxemul.1,v 1.35 2005/10/27 14:01:11 debug Exp $
2  .\"  .\"
3  .\" Copyright (C) 2004-2005  Anders Gavare.  All rights reserved.  .\" Copyright (C) 2004-2005  Anders Gavare.  All rights reserved.
4  .\"  .\"
# Line 55  systems (e.g. NetBSD) run as if they wer Line 55  systems (e.g. NetBSD) run as if they wer
55  The processor architecture best emulated by GXemul is MIPS, but other  The processor architecture best emulated by GXemul is MIPS, but other
56  architectures are also partially emulated.  architectures are also partially emulated.
57  .Pp  .Pp
58    MIPS processors are emulated either using a simple type of binary
59    translator (on Alpha and i386 hosts), or using traditional slow
60    interpretation (all other hosts, including amd64 machines running in
61    64-bit mode).
62    .Pp
63    Non-MIPS processors (e.g. ARM) are emulated using a newer dynamic
64    translation system (called dyntrans in the rest of this man page);
65    dyntrans does not require any host-specific code, so it should work on any
66    platform. Performance is somewhere between binary translation and
67    traditional interpretation.
68    .Pp
69  There are three ways to invoke the emulator:  There are three ways to invoke the emulator:
70  .Pp  .Pp
71  1. When emulating a complete machine, configuration options can be entered  1. When emulating a complete machine, configuration options can be entered
# Line 187  This disables automatic clock adjustment Line 198  This disables automatic clock adjustment
198  .It Fl i  .It Fl i
199  Display each instruction as it is being executed.  Display each instruction as it is being executed.
200  .It Fl J  .It Fl J
201  Disable some speed tricks.  Disable some speed tricks. For MIPS emulation, these are mostly
202    timing-related. For non-MIPS emulation (i.e. those modes using dyntrans),
203    this flag disables the use of "instruction combinations".
204  .It Fl j Ar n  .It Fl j Ar n
205  Set the name of the kernel to  Set the name of the kernel to
206  .Ar "n".  .Ar "n".
# Line 293  Force the single-step debugger to be ent Line 306  Force the single-step debugger to be ent
306  .It Fl q  .It Fl q
307  Quiet mode; this suppresses startup messages.  Quiet mode; this suppresses startup messages.
308  .It Fl s  .It Fl s
309  Show opcode usage statistics after the simulation.  For MIPS emulation: Show opcode usage statistics after the simulation.
310    For non-MIPS emulation (i.e. using dyntrans): Save statistics to a file at
311    regular intervals of which physical addresses that were executed.
312  .It Fl V  .It Fl V
313  Start up in the single-step debugger, paused.  Start up in the single-step debugger, paused.
314  .It Fl v  .It Fl v

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