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100 lines
4.4 KiB
HTML
100 lines
4.4 KiB
HTML
4 years ago
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<!-- Copyright (C) 1988-2019 Free Software Foundation, Inc.
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.3 or
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any later version published by the Free Software Foundation; with the
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Invariant Sections being "Free Software" and "Free Software Needs
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Free Documentation", with the Front-Cover Texts being "A GNU Manual,"
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and with the Back-Cover Texts as in (a) below.
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(a) The FSF's Back-Cover Text is: "You are free to copy and modify
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this GNU Manual. Buying copies from GNU Press supports the FSF in
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<!-- Created by GNU Texinfo 6.4, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>MIPS Register packet Format (Debugging with GDB)</title>
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<meta name="description" content="MIPS Register packet Format (Debugging with GDB)">
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<meta name="keywords" content="MIPS Register packet Format (Debugging with GDB)">
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<meta name="resource-type" content="document">
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<meta name="distribution" content="global">
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<meta name="Generator" content="makeinfo">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<link href="index.html#Top" rel="start" title="Top">
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<link href="Concept-Index.html#Concept-Index" rel="index" title="Concept Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="MIPS_002dSpecific-Protocol-Details.html#MIPS_002dSpecific-Protocol-Details" rel="up" title="MIPS-Specific Protocol Details">
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<link href="MIPS-Breakpoint-Kinds.html#MIPS-Breakpoint-Kinds" rel="next" title="MIPS Breakpoint Kinds">
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<link href="MIPS_002dSpecific-Protocol-Details.html#MIPS_002dSpecific-Protocol-Details" rel="prev" title="MIPS-Specific Protocol Details">
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</style>
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</head>
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<body lang="en">
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<a name="MIPS-Register-packet-Format"></a>
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<div class="header">
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<p>
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Next: <a href="MIPS-Breakpoint-Kinds.html#MIPS-Breakpoint-Kinds" accesskey="n" rel="next">MIPS Breakpoint Kinds</a>, Up: <a href="MIPS_002dSpecific-Protocol-Details.html#MIPS_002dSpecific-Protocol-Details" accesskey="u" rel="up">MIPS-Specific Protocol Details</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<a name="MIPS-Register-Packet-Format"></a>
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<h4 class="subsubsection">E.5.2.1 <acronym>MIPS</acronym> Register Packet Format</h4>
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<a name="index-register-packet-format_002c-MIPS"></a>
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<p>The following <code>g</code>/<code>G</code> packets have previously been defined.
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In the below, some thirty-two bit registers are transferred as
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sixty-four bits. Those registers should be zero/sign extended (which?)
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to fill the space allocated. Register bytes are transferred in target
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byte order. The two nibbles within a register byte are transferred
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most-significant – least-significant.
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</p>
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<dl compact="compact">
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<dt><span class="roman">MIPS32</span></dt>
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<dd><p>All registers are transferred as thirty-two bit quantities in the order:
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32 general-purpose; sr; lo; hi; bad; cause; pc; 32 floating-point
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registers; fsr; fir; fp.
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</p>
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</dd>
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<dt><span class="roman">MIPS64</span></dt>
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<dd><p>All registers are transferred as sixty-four bit quantities (including
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thirty-two bit registers such as <code>sr</code>). The ordering is the same
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as <code>MIPS32</code>.
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</p>
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</dd>
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</dl>
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</body>
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</html>
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