/*
+ * Copyright 2015 LabWare
* Copyright 2014 Google, Inc.
- * Copyright (c) 2013 ARM Limited
+ * Copyright (c) 2013, 2016, 2018-2019 ARM Limited
* All rights reserved
*
* The license below extends only to copyright in the software and shall
*
* Authors: Nathan Binkert
* Stephen Hines
+ * Boris Shingarov
*/
#ifndef __ARCH_ARM_REMOTE_GDB_HH__
#include <algorithm>
+#include "arch/arm/registers.hh"
+#include "arch/arm/utility.hh"
+#include "base/compiler.hh"
#include "base/remote_gdb.hh"
class System;
namespace ArmISA
{
-// AArch32 registers with vfpv3/neon
-enum {
- GDB32_R0 = 0,
- GDB32_CPSR = 16,
- GDB32_F0 = 17,
- GDB32_FPSCR = 81,
- GDB32_NUMREGS = 82
-};
-
-// AArch64 registers
-enum {
- GDB64_X0 = 0,
- GDB64_SPX = 31,
- GDB64_PC = 32,
- GDB64_CPSR = 33,
- GDB64_V0 = 34,
- GDB64_V0_32 = 2 * GDB64_V0,
- GDB64_NUMREGS = 98
-};
-
-const int GDB_REG_BYTES M5_VAR_USED =
- std::max(GDB64_NUMREGS * sizeof(uint64_t),
- GDB32_NUMREGS * sizeof(uint32_t));
-
class RemoteGDB : public BaseRemoteGDB
{
protected:
bool acc(Addr addr, size_t len);
- bool write(Addr addr, size_t size, const char *data);
- void getregs();
- void setregs();
+ class AArch32GdbRegCache : public BaseGdbRegCache
+ {
+ using BaseGdbRegCache::BaseGdbRegCache;
+ private:
+ struct {
+ uint32_t gpr[16];
+ uint32_t cpsr;
+ uint64_t fpr[32];
+ uint32_t fpscr;
+ } M5_ATTR_PACKED r;
+ public:
+ char *data() const { return (char *)&r; }
+ size_t size() const { return sizeof(r); }
+ void getRegs(ThreadContext*);
+ void setRegs(ThreadContext*) const;
+ const std::string
+ name() const
+ {
+ return gdb->name() + ".AArch32GdbRegCache";
+ }
+ };
+
+ class AArch64GdbRegCache : public BaseGdbRegCache
+ {
+ using BaseGdbRegCache::BaseGdbRegCache;
+ private:
+ struct {
+ uint64_t x[31];
+ uint64_t spx;
+ uint64_t pc;
+ uint32_t cpsr;
+ VecElem v[NumVecV8ArchRegs * NumVecElemPerNeonVecReg];
+ uint32_t fpsr;
+ uint32_t fpcr;
+ } M5_ATTR_PACKED r;
+ public:
+ char *data() const { return (char *)&r; }
+ size_t size() const { return sizeof(r); }
+ void getRegs(ThreadContext*);
+ void setRegs(ThreadContext*) const;
+ const std::string
+ name() const
+ {
+ return gdb->name() + ".AArch64GdbRegCache";
+ }
+ };
+
+ AArch32GdbRegCache regCache32;
+ AArch64GdbRegCache regCache64;
public:
- RemoteGDB(System *_system, ThreadContext *tc);
+ RemoteGDB(System *_system, ThreadContext *tc, int _port);
+ BaseGdbRegCache *gdbRegs();
+ std::vector<std::string>
+ availableFeatures() const
+ {
+ return {"qXfer:features:read+"};
+ };
+ bool getXferFeaturesRead(const std::string &annex, std::string &output);
};
} // namespace ArmISA