1/* 2 * Copyright (c) 2002-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 110 unchanged lines hidden (view full) --- 119#include <sys/signal.h> 120 121#include <string> 122#include <unistd.h> 123 124#include "arch/vtophys.hh" 125#include "arch/sparc/remote_gdb.hh" 126#include "base/intmath.hh" |
127#include "base/remote_gdb.hh" 128#include "base/socket.hh" 129#include "base/trace.hh" 130#include "config/full_system.hh" 131#include "cpu/thread_context.hh" 132#include "cpu/static_inst.hh" 133#include "mem/physical.hh" 134#include "mem/port.hh" 135#include "sim/system.hh" 136 137using namespace std; 138using namespace TheISA; 139 |
140RemoteGDB::RemoteGDB(System *_system, ThreadContext *c) |
141 : BaseRemoteGDB(_system, c, NumGDBRegs) |
142{} 143 |
144/////////////////////////////////////////////////////////// 145// RemoteGDB::acc 146// 147// Determine if the mapping at va..(va+len) is valid. 148// 149bool 150RemoteGDB::acc(Addr va, size_t len) 151{ |
152#if 0 |
153 Addr last_va; 154 155 va = TheISA::TruncPage(va); 156 last_va = TheISA::RoundPage(va + len); 157 158 do { 159 if (TheISA::IsK0Seg(va)) { 160 if (va < (TheISA::K0SegBase + pmem->size())) { --- 22 unchanged lines hidden (view full) --- 183 if (!pte.valid()) { 184 DPRINTF(GDBAcc, "acc: %#x pte is invalid\n", va); 185 return false; 186 } 187 va += TheISA::PageBytes; 188 } while (va < last_va); 189 190 DPRINTF(GDBAcc, "acc: %#x mapping is valid\n", va); |
191#endif |
192 return true; 193} 194 195/////////////////////////////////////////////////////////// |
196// RemoteGDB::getregs 197// 198// Translate the kernel debugger register format into 199// the GDB register format. 200void 201RemoteGDB::getregs() 202{ 203 memset(gdbregs.regs, 0, gdbregs.size); 204 |
205 gdbregs.regs[RegPc] = context->readPC(); 206 gdbregs.regs[RegNpc] = context->readNextPC(); 207 for(int x = RegG0; x <= RegI7; x++) 208 gdbregs.regs[x] = context->readIntReg(x - RegG0); 209 for(int x = RegF0; x <= RegF31; x++) 210 gdbregs.regs[x] = context->readFloatRegBits(x - RegF0); 211 gdbregs.regs[RegY] = context->readMiscReg(MISCREG_Y); 212 //XXX need to also load up Psr, Wim, Tbr, Fpsr, and Cpsr |
213} 214 215/////////////////////////////////////////////////////////// 216// RemoteGDB::setregs 217// 218// Translate the GDB register format into the kernel 219// debugger register format. 220// 221void 222RemoteGDB::setregs() 223{ |
224 context->setPC(gdbregs.regs[RegPc]); 225 context->setNextPC(gdbregs.regs[RegNpc]); 226 for(int x = RegG0; x <= RegI7; x++) 227 context->setIntReg(x - RegG0, gdbregs.regs[x]); 228 for(int x = RegF0; x <= RegF31; x++) 229 context->setFloatRegBits(x - RegF0, gdbregs.regs[x]); 230 context->setMiscRegWithEffect(MISCREG_Y, gdbregs.regs[RegY]); 231 //XXX need to also set Psr, Wim, Tbr, Fpsr, and Cpsr |
232} 233 234void |
235RemoteGDB::clearSingleStep() 236{ |
237#if 0 |
238 DPRINTF(GDBMisc, "clearSingleStep bt_addr=%#x nt_addr=%#x\n", 239 takenBkpt.address, notTakenBkpt.address); 240 241 if (takenBkpt.address != 0) 242 clearTempBreakpoint(takenBkpt); 243 244 if (notTakenBkpt.address != 0) 245 clearTempBreakpoint(notTakenBkpt); |
246#endif |
247} 248 249void 250RemoteGDB::setSingleStep() 251{ |
252#if 0 |
253 Addr pc = context->readPC(); 254 Addr npc, bpc; 255 bool set_bt = false; 256 257 npc = pc + sizeof(MachInst); 258 259 // User was stopped at pc, e.g. the instruction at pc was not 260 // executed. --- 8 unchanged lines hidden (view full) --- 269 270 DPRINTF(GDBMisc, "setSingleStep bt_addr=%#x nt_addr=%#x\n", 271 takenBkpt.address, notTakenBkpt.address); 272 273 setTempBreakpoint(notTakenBkpt, npc); 274 275 if (set_bt) 276 setTempBreakpoint(takenBkpt, bpc); |
277#endif |
278} |