remote_gdb.cc (12031:46116545e745) | remote_gdb.cc (12449:2260f4a68210) |
---|---|
1/* 2 * Copyright 2014 Google, Inc. 3 * Copyright (c) 2002-2005 The Regents of The University of Michigan 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are 8 * met: redistributions of source code must retain the above copyright --- 130 unchanged lines hidden (view full) --- 139#include "mem/physical.hh" 140#include "mem/port.hh" 141#include "sim/full_system.hh" 142#include "sim/system.hh" 143 144using namespace std; 145using namespace AlphaISA; 146 | 1/* 2 * Copyright 2014 Google, Inc. 3 * Copyright (c) 2002-2005 The Regents of The University of Michigan 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are 8 * met: redistributions of source code must retain the above copyright --- 130 unchanged lines hidden (view full) --- 139#include "mem/physical.hh" 140#include "mem/port.hh" 141#include "sim/full_system.hh" 142#include "sim/system.hh" 143 144using namespace std; 145using namespace AlphaISA; 146 |
147RemoteGDB::RemoteGDB(System *_system, ThreadContext *tc) 148 : BaseRemoteGDB(_system, tc) | 147RemoteGDB::RemoteGDB(System *_system, ThreadContext *tc, int _port) 148 : BaseRemoteGDB(_system, tc, _port) |
149{ | 149{ |
150 warn_once("Breakpoints do not work in Alpha PAL mode.\n" 151 " See PCEventQueue::doService() in cpu/pc_event.cc.\n"); |
|
150} 151 152/* 153 * Determine if the mapping at va..(va+len) is valid. 154 */ 155bool 156RemoteGDB::acc(Addr va, size_t len) 157{ 158 if (!FullSystem) 159 panic("acc function needs to be rewritten for SE mode\n"); 160 161 Addr last_va; 162 163 va = TruncPage(va); 164 last_va = RoundPage(va + len); 165 166 do { 167 if (IsK0Seg(va)) { | 152} 153 154/* 155 * Determine if the mapping at va..(va+len) is valid. 156 */ 157bool 158RemoteGDB::acc(Addr va, size_t len) 159{ 160 if (!FullSystem) 161 panic("acc function needs to be rewritten for SE mode\n"); 162 163 Addr last_va; 164 165 va = TruncPage(va); 166 last_va = RoundPage(va + len); 167 168 do { 169 if (IsK0Seg(va)) { |
168 if (va < (K0SegBase + system->memSize())) { | 170 if (va < (K0SegBase + system()->memSize())) { |
169 DPRINTF(GDBAcc, "acc: Mapping is valid K0SEG <= " 170 "%#x < K0SEG + size\n", va); 171 return true; 172 } else { 173 DPRINTF(GDBAcc, "acc: Mapping invalid %#x " 174 "> K0SEG + size\n", va); 175 return false; 176 } --- 5 unchanged lines hidden (view full) --- 182 * because palcode is accessed physically. At some point this 183 * should probably be cleaned up but there is no easy way to 184 * do it. 185 */ 186 187 if (PcPAL(va) || va < 0x10000) 188 return true; 189 | 171 DPRINTF(GDBAcc, "acc: Mapping is valid K0SEG <= " 172 "%#x < K0SEG + size\n", va); 173 return true; 174 } else { 175 DPRINTF(GDBAcc, "acc: Mapping invalid %#x " 176 "> K0SEG + size\n", va); 177 return false; 178 } --- 5 unchanged lines hidden (view full) --- 184 * because palcode is accessed physically. At some point this 185 * should probably be cleaned up but there is no easy way to 186 * do it. 187 */ 188 189 if (PcPAL(va) || va < 0x10000) 190 return true; 191 |
190 Addr ptbr = context->readMiscRegNoEffect(IPR_PALtemp20); | 192 Addr ptbr = context()->readMiscRegNoEffect(IPR_PALtemp20); |
191 PageTableEntry pte = | 193 PageTableEntry pte = |
192 kernel_pte_lookup(context->getPhysProxy(), ptbr, va); | 194 kernel_pte_lookup(context()->getPhysProxy(), ptbr, va); |
193 if (!pte.valid()) { 194 DPRINTF(GDBAcc, "acc: %#x pte is invalid\n", va); 195 return false; 196 } 197 va += PageBytes; 198 } while (va < last_va); 199 200 DPRINTF(GDBAcc, "acc: %#x mapping is valid\n", va); --- 41 unchanged lines hidden (view full) --- 242#ifdef KGDB_FP_REGS 243 for (int i = 0; i < NumFloatArchRegs; ++i) { 244 context->setFloatRegBits(i, gdbregs.regs64[i + KGDB_REG_F0]); 245 } 246#endif 247 context->pcState(r.pc); 248} 249 | 195 if (!pte.valid()) { 196 DPRINTF(GDBAcc, "acc: %#x pte is invalid\n", va); 197 return false; 198 } 199 va += PageBytes; 200 } while (va < last_va); 201 202 DPRINTF(GDBAcc, "acc: %#x mapping is valid\n", va); --- 41 unchanged lines hidden (view full) --- 244#ifdef KGDB_FP_REGS 245 for (int i = 0; i < NumFloatArchRegs; ++i) { 246 context->setFloatRegBits(i, gdbregs.regs64[i + KGDB_REG_F0]); 247 } 248#endif 249 context->pcState(r.pc); 250} 251 |
250// Write bytes to kernel address space for debugger. 251bool 252RemoteGDB::write(Addr vaddr, size_t size, const char *data) 253{ 254 if (BaseRemoteGDB::write(vaddr, size, data)) { 255#ifdef IMB 256 alpha_pal_imb(); 257#endif 258 return true; 259 } else { 260 return false; 261 } 262} | |
263 | 252 |
264 265void 266RemoteGDB::insertHardBreak(Addr addr, size_t len) | 253BaseGdbRegCache* 254RemoteGDB::gdbRegs() |
267{ | 255{ |
268 warn_once("Breakpoints do not work in Alpha PAL mode.\n" 269 " See PCEventQueue::doService() in cpu/pc_event.cc.\n"); 270 BaseRemoteGDB::insertHardBreak(addr, len); | 256 return new AlphaGdbRegCache(this); |
271} 272 | 257} 258 |
273RemoteGDB::BaseGdbRegCache* 274RemoteGDB::gdbRegs() { 275 return new AlphaGdbRegCache(this); 276} 277 | |