1/*
2 * Copyright 2015 LabWare
3 * Copyright 2014 Google Inc.
4 * Copyright (c) 2010, 2013, 2016 ARM Limited
5 * All rights reserved
6 *
7 * The license below extends only to copyright in the software and shall
8 * not be construed as granting a license to any other intellectual
9 * property including but not limited to intellectual property relating
10 * to a hardware implementation of the functionality of the software
11 * licensed hereunder. You may use the software subject to the license
12 * terms below provided that you ensure that this notice is replicated
13 * unmodified and in its entirety in all distributions of the software,
14 * modified or unmodified, in source code or in binary form.
15 *
16 * Copyright (c) 2002-2005 The Regents of The University of Michigan
17 * All rights reserved.
18 *
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;
26 * neither the name of the copyright holders nor the names of its
27 * contributors may be used to endorse or promote products derived from
28 * this software without specific prior written permission.
29 *
30 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
31 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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.
41 *
42 * Authors: Nathan Binkert
43 * William Wang
44 * Boris Shingarov
45 */
46
47/*
48 * Copyright (c) 1990, 1993 The Regents of the University of California
49 * All rights reserved
50 *
51 * This software was developed by the Computer Systems Engineering group
52 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
53 * contributed to Berkeley.
54 *
55 * All advertising materials mentioning features or use of this software
56 * must display the following acknowledgement:
57 * This product includes software developed by the University of
58 * California, Lawrence Berkeley Laboratories.
59 *
60 * Redistribution and use in source and binary forms, with or without
61 * modification, are permitted provided that the following conditions
62 * are met:
63 * 1. Redistributions of source code must retain the above copyright
64 * notice, this list of conditions and the following disclaimer.
65 * 2. Redistributions in binary form must reproduce the above copyright
66 * notice, this list of conditions and the following disclaimer in the
67 * documentation and/or other materials provided with the distribution.
68 * 3. All advertising materials mentioning features or use of this software
69 * must display the following acknowledgement:
70 * This product includes software developed by the University of
71 * California, Berkeley and its contributors.
72 * 4. Neither the name of the University nor the names of its contributors
73 * may be used to endorse or promote products derived from this software
74 * without specific prior written permission.
75 *
76 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
77 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
78 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
79 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
80 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
81 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
82 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
83 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
84 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
85 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
86 * SUCH DAMAGE.
87 *
88 * @(#)kgdb_stub.c 8.4 (Berkeley) 1/12/94
89 */
90
91/*-
92 * Copyright (c) 2001 The NetBSD Foundation, Inc.
93 * All rights reserved.
94 *
95 * This code is derived from software contributed to The NetBSD Foundation
96 * by Jason R. Thorpe.
97 *
98 * Redistribution and use in source and binary forms, with or without
99 * modification, are permitted provided that the following conditions
100 * are met:
101 * 1. Redistributions of source code must retain the above copyright
102 * notice, this list of conditions and the following disclaimer.
103 * 2. Redistributions in binary form must reproduce the above copyright
104 * notice, this list of conditions and the following disclaimer in the
105 * documentation and/or other materials provided with the distribution.
106 * 3. All advertising materials mentioning features or use of this software
107 * must display the following acknowledgement:
108 * This product includes software developed by the NetBSD
109 * Foundation, Inc. and its contributors.
110 * 4. Neither the name of The NetBSD Foundation nor the names of its
111 * contributors may be used to endorse or promote products derived
112 * from this software without specific prior written permission.
113 *
114 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
115 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
116 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
117 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
118 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
119 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
120 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
121 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
122 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
123 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
124 * POSSIBILITY OF SUCH DAMAGE.
125 */
126
127/*
128 * $NetBSD: kgdb_stub.c,v 1.8 2001/07/07 22:58:00 wdk Exp $
129 *
130 * Taken from NetBSD
131 *
132 * "Stub" to allow remote cpu to debug over a serial line using gdb.
133 */
134
135#include "arch/arm/remote_gdb.hh"
136
137#include <sys/signal.h>
138#include <unistd.h>
139
140#include <string>
141
142#include "arch/arm/decoder.hh"
143#include "arch/arm/pagetable.hh"
144#include "arch/arm/registers.hh"
145#include "arch/arm/system.hh"
146#include "arch/arm/utility.hh"
147#include "arch/arm/vtophys.hh"
148#include "base/chunk_generator.hh"
149#include "base/intmath.hh"
150#include "base/remote_gdb.hh"
151#include "base/socket.hh"
152#include "base/trace.hh"
153#include "cpu/static_inst.hh"
154#include "cpu/thread_context.hh"
155#include "cpu/thread_state.hh"
156#include "debug/GDBAcc.hh"
157#include "debug/GDBMisc.hh"
158#include "mem/page_table.hh"
159#include "mem/physical.hh"
160#include "mem/port.hh"
161#include "sim/full_system.hh"
162#include "sim/system.hh"
163
164using namespace std;
165using namespace ArmISA;
166
167RemoteGDB::RemoteGDB(System *_system, ThreadContext *tc, int _port)
168 : BaseRemoteGDB(_system, tc, _port), regCache32(this), regCache64(this)
169{
170}
171
172/*
173 * Determine if the mapping at va..(va+len) is valid.
174 */
175bool
176RemoteGDB::acc(Addr va, size_t len)
177{
178 if (FullSystem) {
179 for (ChunkGenerator gen(va, len, PageBytes); !gen.done(); gen.next()) {
180 if (!virtvalid(context(), gen.addr())) {
181 DPRINTF(GDBAcc, "acc: %#x mapping is invalid\n", va);
182 return false;
183 }
184 }
185
186 DPRINTF(GDBAcc, "acc: %#x mapping is valid\n", va);
187 return true;
188 } else {
| 1/*
2 * Copyright 2015 LabWare
3 * Copyright 2014 Google Inc.
4 * Copyright (c) 2010, 2013, 2016 ARM Limited
5 * All rights reserved
6 *
7 * The license below extends only to copyright in the software and shall
8 * not be construed as granting a license to any other intellectual
9 * property including but not limited to intellectual property relating
10 * to a hardware implementation of the functionality of the software
11 * licensed hereunder. You may use the software subject to the license
12 * terms below provided that you ensure that this notice is replicated
13 * unmodified and in its entirety in all distributions of the software,
14 * modified or unmodified, in source code or in binary form.
15 *
16 * Copyright (c) 2002-2005 The Regents of The University of Michigan
17 * All rights reserved.
18 *
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;
26 * neither the name of the copyright holders nor the names of its
27 * contributors may be used to endorse or promote products derived from
28 * this software without specific prior written permission.
29 *
30 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
31 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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.
41 *
42 * Authors: Nathan Binkert
43 * William Wang
44 * Boris Shingarov
45 */
46
47/*
48 * Copyright (c) 1990, 1993 The Regents of the University of California
49 * All rights reserved
50 *
51 * This software was developed by the Computer Systems Engineering group
52 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
53 * contributed to Berkeley.
54 *
55 * All advertising materials mentioning features or use of this software
56 * must display the following acknowledgement:
57 * This product includes software developed by the University of
58 * California, Lawrence Berkeley Laboratories.
59 *
60 * Redistribution and use in source and binary forms, with or without
61 * modification, are permitted provided that the following conditions
62 * are met:
63 * 1. Redistributions of source code must retain the above copyright
64 * notice, this list of conditions and the following disclaimer.
65 * 2. Redistributions in binary form must reproduce the above copyright
66 * notice, this list of conditions and the following disclaimer in the
67 * documentation and/or other materials provided with the distribution.
68 * 3. All advertising materials mentioning features or use of this software
69 * must display the following acknowledgement:
70 * This product includes software developed by the University of
71 * California, Berkeley and its contributors.
72 * 4. Neither the name of the University nor the names of its contributors
73 * may be used to endorse or promote products derived from this software
74 * without specific prior written permission.
75 *
76 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
77 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
78 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
79 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
80 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
81 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
82 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
83 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
84 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
85 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
86 * SUCH DAMAGE.
87 *
88 * @(#)kgdb_stub.c 8.4 (Berkeley) 1/12/94
89 */
90
91/*-
92 * Copyright (c) 2001 The NetBSD Foundation, Inc.
93 * All rights reserved.
94 *
95 * This code is derived from software contributed to The NetBSD Foundation
96 * by Jason R. Thorpe.
97 *
98 * Redistribution and use in source and binary forms, with or without
99 * modification, are permitted provided that the following conditions
100 * are met:
101 * 1. Redistributions of source code must retain the above copyright
102 * notice, this list of conditions and the following disclaimer.
103 * 2. Redistributions in binary form must reproduce the above copyright
104 * notice, this list of conditions and the following disclaimer in the
105 * documentation and/or other materials provided with the distribution.
106 * 3. All advertising materials mentioning features or use of this software
107 * must display the following acknowledgement:
108 * This product includes software developed by the NetBSD
109 * Foundation, Inc. and its contributors.
110 * 4. Neither the name of The NetBSD Foundation nor the names of its
111 * contributors may be used to endorse or promote products derived
112 * from this software without specific prior written permission.
113 *
114 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
115 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
116 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
117 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
118 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
119 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
120 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
121 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
122 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
123 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
124 * POSSIBILITY OF SUCH DAMAGE.
125 */
126
127/*
128 * $NetBSD: kgdb_stub.c,v 1.8 2001/07/07 22:58:00 wdk Exp $
129 *
130 * Taken from NetBSD
131 *
132 * "Stub" to allow remote cpu to debug over a serial line using gdb.
133 */
134
135#include "arch/arm/remote_gdb.hh"
136
137#include <sys/signal.h>
138#include <unistd.h>
139
140#include <string>
141
142#include "arch/arm/decoder.hh"
143#include "arch/arm/pagetable.hh"
144#include "arch/arm/registers.hh"
145#include "arch/arm/system.hh"
146#include "arch/arm/utility.hh"
147#include "arch/arm/vtophys.hh"
148#include "base/chunk_generator.hh"
149#include "base/intmath.hh"
150#include "base/remote_gdb.hh"
151#include "base/socket.hh"
152#include "base/trace.hh"
153#include "cpu/static_inst.hh"
154#include "cpu/thread_context.hh"
155#include "cpu/thread_state.hh"
156#include "debug/GDBAcc.hh"
157#include "debug/GDBMisc.hh"
158#include "mem/page_table.hh"
159#include "mem/physical.hh"
160#include "mem/port.hh"
161#include "sim/full_system.hh"
162#include "sim/system.hh"
163
164using namespace std;
165using namespace ArmISA;
166
167RemoteGDB::RemoteGDB(System *_system, ThreadContext *tc, int _port)
168 : BaseRemoteGDB(_system, tc, _port), regCache32(this), regCache64(this)
169{
170}
171
172/*
173 * Determine if the mapping at va..(va+len) is valid.
174 */
175bool
176RemoteGDB::acc(Addr va, size_t len)
177{
178 if (FullSystem) {
179 for (ChunkGenerator gen(va, len, PageBytes); !gen.done(); gen.next()) {
180 if (!virtvalid(context(), gen.addr())) {
181 DPRINTF(GDBAcc, "acc: %#x mapping is invalid\n", va);
182 return false;
183 }
184 }
185
186 DPRINTF(GDBAcc, "acc: %#x mapping is valid\n", va);
187 return true;
188 } else {
|
195 }
196}
197
198void
199RemoteGDB::AArch64GdbRegCache::getRegs(ThreadContext *context)
200{
201 DPRINTF(GDBAcc, "getRegs in remotegdb \n");
202
203 for (int i = 0; i < 31; ++i)
204 r.x[i] = context->readIntReg(INTREG_X0 + i);
205 r.spx = context->readIntReg(INTREG_SPX);
206 r.pc = context->pcState().pc();
207 r.cpsr = context->readMiscRegNoEffect(MISCREG_CPSR);
208
209 for (int i = 0; i < 32*4; i += 4) {
210 r.v[i + 0] = context->readFloatRegBits(i + 2);
211 r.v[i + 1] = context->readFloatRegBits(i + 3);
212 r.v[i + 2] = context->readFloatRegBits(i + 0);
213 r.v[i + 3] = context->readFloatRegBits(i + 1);
214 }
215
216 for (int i = 0; i < 32; i ++) {
217 r.vec[i] = context->readVecReg(RegId(VecRegClass,i));
218 }
219}
220
221void
222RemoteGDB::AArch64GdbRegCache::setRegs(ThreadContext *context) const
223{
224 DPRINTF(GDBAcc, "setRegs in remotegdb \n");
225
226 for (int i = 0; i < 31; ++i)
227 context->setIntReg(INTREG_X0 + i, r.x[i]);
228 context->pcState(r.pc);
229 context->setMiscRegNoEffect(MISCREG_CPSR, r.cpsr);
230 // Update the stack pointer. This should be done after
231 // updating CPSR/PSTATE since that might affect how SPX gets
232 // mapped.
233 context->setIntReg(INTREG_SPX, r.spx);
234
235 for (int i = 0; i < 32*4; i += 4) {
236 context->setFloatRegBits(i + 2, r.v[i + 0]);
237 context->setFloatRegBits(i + 3, r.v[i + 1]);
238 context->setFloatRegBits(i + 0, r.v[i + 2]);
239 context->setFloatRegBits(i + 1, r.v[i + 3]);
240 }
241
242 for (int i = 0; i < 32; i ++) {
243 context->setVecReg(RegId(VecRegClass, i), r.vec[i]);
244 }
245}
246
247void
248RemoteGDB::AArch32GdbRegCache::getRegs(ThreadContext *context)
249{
250 DPRINTF(GDBAcc, "getRegs in remotegdb \n");
251
252 r.gpr[0] = context->readIntReg(INTREG_R0);
253 r.gpr[1] = context->readIntReg(INTREG_R1);
254 r.gpr[2] = context->readIntReg(INTREG_R2);
255 r.gpr[3] = context->readIntReg(INTREG_R3);
256 r.gpr[4] = context->readIntReg(INTREG_R4);
257 r.gpr[5] = context->readIntReg(INTREG_R5);
258 r.gpr[6] = context->readIntReg(INTREG_R6);
259 r.gpr[7] = context->readIntReg(INTREG_R7);
260 r.gpr[8] = context->readIntReg(INTREG_R8);
261 r.gpr[9] = context->readIntReg(INTREG_R9);
262 r.gpr[10] = context->readIntReg(INTREG_R10);
263 r.gpr[11] = context->readIntReg(INTREG_R11);
264 r.gpr[12] = context->readIntReg(INTREG_R12);
265 r.gpr[13] = context->readIntReg(INTREG_SP);
266 r.gpr[14] = context->readIntReg(INTREG_LR);
267 r.gpr[15] = context->pcState().pc();
268
269 // One day somebody will implement transfer of FPRs correctly.
270 for (int i=0; i<8*3; i++) r.fpr[i] = 0;
271
272 r.fpscr = context->readMiscRegNoEffect(MISCREG_FPSCR);
273 r.cpsr = context->readMiscRegNoEffect(MISCREG_CPSR);
274}
275
276void
277RemoteGDB::AArch32GdbRegCache::setRegs(ThreadContext *context) const
278{
279 DPRINTF(GDBAcc, "setRegs in remotegdb \n");
280
281 context->setIntReg(INTREG_R0, r.gpr[0]);
282 context->setIntReg(INTREG_R1, r.gpr[1]);
283 context->setIntReg(INTREG_R2, r.gpr[2]);
284 context->setIntReg(INTREG_R3, r.gpr[3]);
285 context->setIntReg(INTREG_R4, r.gpr[4]);
286 context->setIntReg(INTREG_R5, r.gpr[5]);
287 context->setIntReg(INTREG_R6, r.gpr[6]);
288 context->setIntReg(INTREG_R7, r.gpr[7]);
289 context->setIntReg(INTREG_R8, r.gpr[8]);
290 context->setIntReg(INTREG_R9, r.gpr[9]);
291 context->setIntReg(INTREG_R10, r.gpr[10]);
292 context->setIntReg(INTREG_R11, r.gpr[11]);
293 context->setIntReg(INTREG_R12, r.gpr[12]);
294 context->setIntReg(INTREG_SP, r.gpr[13]);
295 context->setIntReg(INTREG_LR, r.gpr[14]);
296 context->pcState(r.gpr[15]);
297
298 // One day somebody will implement transfer of FPRs correctly.
299
300 context->setMiscReg(MISCREG_FPSCR, r.fpscr);
301 context->setMiscRegNoEffect(MISCREG_CPSR, r.cpsr);
302}
303
304BaseGdbRegCache*
305RemoteGDB::gdbRegs()
306{
307 if (inAArch64(context()))
308 return ®Cache64;
309 else
310 return ®Cache32;
311}
| 192 }
193}
194
195void
196RemoteGDB::AArch64GdbRegCache::getRegs(ThreadContext *context)
197{
198 DPRINTF(GDBAcc, "getRegs in remotegdb \n");
199
200 for (int i = 0; i < 31; ++i)
201 r.x[i] = context->readIntReg(INTREG_X0 + i);
202 r.spx = context->readIntReg(INTREG_SPX);
203 r.pc = context->pcState().pc();
204 r.cpsr = context->readMiscRegNoEffect(MISCREG_CPSR);
205
206 for (int i = 0; i < 32*4; i += 4) {
207 r.v[i + 0] = context->readFloatRegBits(i + 2);
208 r.v[i + 1] = context->readFloatRegBits(i + 3);
209 r.v[i + 2] = context->readFloatRegBits(i + 0);
210 r.v[i + 3] = context->readFloatRegBits(i + 1);
211 }
212
213 for (int i = 0; i < 32; i ++) {
214 r.vec[i] = context->readVecReg(RegId(VecRegClass,i));
215 }
216}
217
218void
219RemoteGDB::AArch64GdbRegCache::setRegs(ThreadContext *context) const
220{
221 DPRINTF(GDBAcc, "setRegs in remotegdb \n");
222
223 for (int i = 0; i < 31; ++i)
224 context->setIntReg(INTREG_X0 + i, r.x[i]);
225 context->pcState(r.pc);
226 context->setMiscRegNoEffect(MISCREG_CPSR, r.cpsr);
227 // Update the stack pointer. This should be done after
228 // updating CPSR/PSTATE since that might affect how SPX gets
229 // mapped.
230 context->setIntReg(INTREG_SPX, r.spx);
231
232 for (int i = 0; i < 32*4; i += 4) {
233 context->setFloatRegBits(i + 2, r.v[i + 0]);
234 context->setFloatRegBits(i + 3, r.v[i + 1]);
235 context->setFloatRegBits(i + 0, r.v[i + 2]);
236 context->setFloatRegBits(i + 1, r.v[i + 3]);
237 }
238
239 for (int i = 0; i < 32; i ++) {
240 context->setVecReg(RegId(VecRegClass, i), r.vec[i]);
241 }
242}
243
244void
245RemoteGDB::AArch32GdbRegCache::getRegs(ThreadContext *context)
246{
247 DPRINTF(GDBAcc, "getRegs in remotegdb \n");
248
249 r.gpr[0] = context->readIntReg(INTREG_R0);
250 r.gpr[1] = context->readIntReg(INTREG_R1);
251 r.gpr[2] = context->readIntReg(INTREG_R2);
252 r.gpr[3] = context->readIntReg(INTREG_R3);
253 r.gpr[4] = context->readIntReg(INTREG_R4);
254 r.gpr[5] = context->readIntReg(INTREG_R5);
255 r.gpr[6] = context->readIntReg(INTREG_R6);
256 r.gpr[7] = context->readIntReg(INTREG_R7);
257 r.gpr[8] = context->readIntReg(INTREG_R8);
258 r.gpr[9] = context->readIntReg(INTREG_R9);
259 r.gpr[10] = context->readIntReg(INTREG_R10);
260 r.gpr[11] = context->readIntReg(INTREG_R11);
261 r.gpr[12] = context->readIntReg(INTREG_R12);
262 r.gpr[13] = context->readIntReg(INTREG_SP);
263 r.gpr[14] = context->readIntReg(INTREG_LR);
264 r.gpr[15] = context->pcState().pc();
265
266 // One day somebody will implement transfer of FPRs correctly.
267 for (int i=0; i<8*3; i++) r.fpr[i] = 0;
268
269 r.fpscr = context->readMiscRegNoEffect(MISCREG_FPSCR);
270 r.cpsr = context->readMiscRegNoEffect(MISCREG_CPSR);
271}
272
273void
274RemoteGDB::AArch32GdbRegCache::setRegs(ThreadContext *context) const
275{
276 DPRINTF(GDBAcc, "setRegs in remotegdb \n");
277
278 context->setIntReg(INTREG_R0, r.gpr[0]);
279 context->setIntReg(INTREG_R1, r.gpr[1]);
280 context->setIntReg(INTREG_R2, r.gpr[2]);
281 context->setIntReg(INTREG_R3, r.gpr[3]);
282 context->setIntReg(INTREG_R4, r.gpr[4]);
283 context->setIntReg(INTREG_R5, r.gpr[5]);
284 context->setIntReg(INTREG_R6, r.gpr[6]);
285 context->setIntReg(INTREG_R7, r.gpr[7]);
286 context->setIntReg(INTREG_R8, r.gpr[8]);
287 context->setIntReg(INTREG_R9, r.gpr[9]);
288 context->setIntReg(INTREG_R10, r.gpr[10]);
289 context->setIntReg(INTREG_R11, r.gpr[11]);
290 context->setIntReg(INTREG_R12, r.gpr[12]);
291 context->setIntReg(INTREG_SP, r.gpr[13]);
292 context->setIntReg(INTREG_LR, r.gpr[14]);
293 context->pcState(r.gpr[15]);
294
295 // One day somebody will implement transfer of FPRs correctly.
296
297 context->setMiscReg(MISCREG_FPSCR, r.fpscr);
298 context->setMiscRegNoEffect(MISCREG_CPSR, r.cpsr);
299}
300
301BaseGdbRegCache*
302RemoteGDB::gdbRegs()
303{
304 if (inAArch64(context()))
305 return ®Cache64;
306 else
307 return ®Cache32;
308}
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