remote_gdb.cc (8541:27aaee8ec7cc) remote_gdb.cc (8782:10c9297e14d5)
1/*
2 * Copyright (c) 2010 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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129 * "Stub" to allow remote cpu to debug over a serial line using gdb.
130 */
131
132#include <sys/signal.h>
133#include <unistd.h>
134
135#include <string>
136
1/*
2 * Copyright (c) 2010 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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129 * "Stub" to allow remote cpu to debug over a serial line using gdb.
130 */
131
132#include <sys/signal.h>
133#include <unistd.h>
134
135#include <string>
136
137#include "config/full_system.hh"
138#if FULL_SYSTEM
139#include "arch/arm/vtophys.hh"
140#endif
141
142#include "arch/arm/pagetable.hh"
143#include "arch/arm/registers.hh"
144#include "arch/arm/remote_gdb.hh"
145#include "arch/arm/utility.hh"
146#include "arch/arm/vtophys.hh"
147#include "base/intmath.hh"
148#include "base/remote_gdb.hh"
149#include "base/socket.hh"
150#include "base/trace.hh"
151#include "cpu/decode.hh"
152#include "cpu/static_inst.hh"
153#include "cpu/thread_context.hh"
154#include "cpu/thread_state.hh"
155#include "debug/GDBAcc.hh"
156#include "debug/GDBMisc.hh"
157#include "mem/page_table.hh"
158#include "mem/physical.hh"
159#include "mem/port.hh"
137#include "arch/arm/pagetable.hh"
138#include "arch/arm/registers.hh"
139#include "arch/arm/remote_gdb.hh"
140#include "arch/arm/utility.hh"
141#include "arch/arm/vtophys.hh"
142#include "base/intmath.hh"
143#include "base/remote_gdb.hh"
144#include "base/socket.hh"
145#include "base/trace.hh"
146#include "cpu/decode.hh"
147#include "cpu/static_inst.hh"
148#include "cpu/thread_context.hh"
149#include "cpu/thread_state.hh"
150#include "debug/GDBAcc.hh"
151#include "debug/GDBMisc.hh"
152#include "mem/page_table.hh"
153#include "mem/physical.hh"
154#include "mem/port.hh"
155#include "sim/full_system.hh"
160#include "sim/system.hh"
161
162using namespace std;
163using namespace ArmISA;
164
165RemoteGDB::RemoteGDB(System *_system, ThreadContext *tc)
166 : BaseRemoteGDB(_system, tc, NUMREGS)
167{
168}
169
170/*
171 * Determine if the mapping at va..(va+len) is valid.
172 */
173bool
174RemoteGDB::acc(Addr va, size_t len)
175{
156#include "sim/system.hh"
157
158using namespace std;
159using namespace ArmISA;
160
161RemoteGDB::RemoteGDB(System *_system, ThreadContext *tc)
162 : BaseRemoteGDB(_system, tc, NUMREGS)
163{
164}
165
166/*
167 * Determine if the mapping at va..(va+len) is valid.
168 */
169bool
170RemoteGDB::acc(Addr va, size_t len)
171{
176#if FULL_SYSTEM
177 Addr last_va;
178 va = truncPage(va);
179 last_va = roundPage(va + len);
172 if (FullSystem) {
173 Addr last_va;
174 va = truncPage(va);
175 last_va = roundPage(va + len);
180
176
181 do {
182 if (virtvalid(context, va)) {
183 return true;
184 }
185 va += PageBytes;
186 } while (va < last_va);
177 do {
178 if (virtvalid(context, va)) {
179 return true;
180 }
181 va += PageBytes;
182 } while (va < last_va);
187
183
188 DPRINTF(GDBAcc, "acc: %#x mapping is valid\n", va);
189 return true;
190#else
191 TlbEntry entry;
192 //Check to make sure the first byte is mapped into the processes address
193 //space.
194 if (context->getProcessPtr()->pTable->lookup(va, entry))
184 DPRINTF(GDBAcc, "acc: %#x mapping is valid\n", va);
195 return true;
185 return true;
196 return false;
197#endif
186 } else {
187 TlbEntry entry;
188 //Check to make sure the first byte is mapped into the processes address
189 //space.
190 if (context->getProcessPtr()->pTable->lookup(va, entry))
191 return true;
192 return false;
193 }
198}
199
200/*
201 * Translate the kernel debugger register format into the GDB register
202 * format.
203 */
204void
205RemoteGDB::getregs()

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195
196/*
197 * Translate the kernel debugger register format into the GDB register
198 * format.
199 */
200void
201RemoteGDB::getregs()

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