d490fa518c7b24e2953d1569abc204459e9d6875
2 * Copyright 2015 LabWare
3 * Copyright 2014 Google, Inc.
4 * Copyright (c) 2010 ARM Limited
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16 * Copyright (c) 2002-2005 The Regents of The University of Michigan
17 * All rights reserved.
19 * Redistribution and use in source and binary forms, with or without
20 * modification, are permitted provided that the following conditions are
21 * met: redistributions of source code must retain the above copyright
22 * notice, this list of conditions and the following disclaimer;
23 * redistributions in binary form must reproduce the above copyright
24 * notice, this list of conditions and the following disclaimer in the
25 * documentation and/or other materials provided with the distribution;
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27 * contributors may be used to endorse or promote products derived from
28 * this software without specific prior written permission.
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32 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
33 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
34 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
35 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
36 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
37 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
38 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
39 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
40 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42 * Authors: Nathan Binkert
49 * Copyright (c) 1990, 1993 The Regents of the University of California
52 * This software was developed by the Computer Systems Engineering group
53 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
54 * contributed to Berkeley.
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57 * must display the following acknowledgement:
58 * This product includes software developed by the University of
59 * California, Lawrence Berkeley Laboratories.
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62 * modification, are permitted provided that the following conditions
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65 * notice, this list of conditions and the following disclaimer.
66 * 2. Redistributions in binary form must reproduce the above copyright
67 * notice, this list of conditions and the following disclaimer in the
68 * documentation and/or other materials provided with the distribution.
69 * 3. All advertising materials mentioning features or use of this software
70 * must display the following acknowledgement:
71 * This product includes software developed by the University of
72 * California, Berkeley and its contributors.
73 * 4. Neither the name of the University nor the names of its contributors
74 * may be used to endorse or promote products derived from this software
75 * without specific prior written permission.
77 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
78 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
79 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
80 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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82 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
83 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
84 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
85 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
86 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
89 * @(#)kgdb_stub.c 8.4 (Berkeley) 1/12/94
93 * Copyright (c) 2001 The NetBSD Foundation, Inc.
94 * All rights reserved.
96 * This code is derived from software contributed to The NetBSD Foundation
99 * Redistribution and use in source and binary forms, with or without
100 * modification, are permitted provided that the following conditions
102 * 1. Redistributions of source code must retain the above copyright
103 * notice, this list of conditions and the following disclaimer.
104 * 2. Redistributions in binary form must reproduce the above copyright
105 * notice, this list of conditions and the following disclaimer in the
106 * documentation and/or other materials provided with the distribution.
107 * 3. All advertising materials mentioning features or use of this software
108 * must display the following acknowledgement:
109 * This product includes software developed by the NetBSD
110 * Foundation, Inc. and its contributors.
111 * 4. Neither the name of The NetBSD Foundation nor the names of its
112 * contributors may be used to endorse or promote products derived
113 * from this software without specific prior written permission.
115 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
116 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
117 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
118 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
119 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
120 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
121 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
122 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
123 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
124 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
125 * POSSIBILITY OF SUCH DAMAGE.
129 * $NetBSD: kgdb_stub.c,v 1.8 2001/07/07 22:58:00 wdk Exp $
133 * "Stub" to allow remote cpu to debug over a serial line using gdb.
136 #include "arch/mips/remote_gdb.hh"
138 #include <sys/signal.h>
143 #include "arch/mips/decoder.hh"
144 #include "arch/mips/vtophys.hh"
145 #include "cpu/thread_state.hh"
146 #include "debug/GDBAcc.hh"
147 #include "debug/GDBMisc.hh"
148 #include "mem/page_table.hh"
149 #include "sim/full_system.hh"
152 using namespace MipsISA
;
154 RemoteGDB::RemoteGDB(System
*_system
, ThreadContext
*tc
, int _port
)
155 : BaseRemoteGDB(_system
, tc
, _port
), regCache(this)
160 * Determine if the mapping at va..(va+len) is valid.
163 RemoteGDB::acc(Addr va
, size_t len
)
165 // Check to make sure the first byte is mapped into the processes address
167 panic_if(FullSystem
, "acc not implemented for MIPS FS!");
168 return context()->getProcessPtr()->pTable
->lookup(va
) != nullptr;
172 RemoteGDB::MipsGdbRegCache::getRegs(ThreadContext
*context
)
174 DPRINTF(GDBAcc
, "getregs in remotegdb \n");
176 for (int i
= 0; i
< 32; i
++) r
.gpr
[i
] = context
->readIntReg(i
);
177 r
.sr
= context
->readMiscRegNoEffect(MISCREG_STATUS
);
178 r
.lo
= context
->readIntReg(INTREG_LO
);
179 r
.hi
= context
->readIntReg(INTREG_HI
);
180 r
.badvaddr
= context
->readMiscRegNoEffect(MISCREG_BADVADDR
);
181 r
.cause
= context
->readMiscRegNoEffect(MISCREG_CAUSE
);
182 r
.pc
= context
->pcState().pc();
183 for (int i
= 0; i
< 32; i
++) r
.fpr
[i
] = context
->readFloatRegBits(i
);
184 r
.fsr
= context
->readFloatRegBits(FLOATREG_FCCR
);
185 r
.fir
= context
->readFloatRegBits(FLOATREG_FIR
);
189 RemoteGDB::MipsGdbRegCache::setRegs(ThreadContext
*context
) const
191 DPRINTF(GDBAcc
, "setregs in remotegdb \n");
193 for (int i
= 1; i
< 32; i
++) context
->setIntReg(i
, r
.gpr
[i
]);
194 context
->setMiscRegNoEffect(MISCREG_STATUS
, r
.sr
);
195 context
->setIntReg(INTREG_LO
, r
.lo
);
196 context
->setIntReg(INTREG_HI
, r
.hi
);
197 context
->setMiscRegNoEffect(MISCREG_BADVADDR
, r
.badvaddr
);
198 context
->setMiscRegNoEffect(MISCREG_CAUSE
, r
.cause
);
199 context
->pcState(r
.pc
);
200 for (int i
= 0; i
< 32; i
++) context
->setFloatRegBits(i
, r
.fpr
[i
]);
201 context
->setFloatRegBits(FLOATREG_FCCR
, r
.fsr
);
202 context
->setFloatRegBits(FLOATREG_FIR
, r
.fir
);