#define __CPU_THREAD_CONTEXT_HH__
#include "arch/regfile.hh"
-#include "arch/syscallreturn.hh"
#include "arch/types.hh"
#include "config/full_system.hh"
#include "mem/request.hh"
// DTB pointers.
namespace TheISA
{
- class DTB;
- class ITB;
+ class TLB;
}
class BaseCPU;
class EndQuiesceEvent;
class VirtualPort;
class Process;
class System;
-namespace Kernel {
- class Statistics;
+namespace TheISA {
+ namespace Kernel {
+ class Statistics;
+ };
};
/**
typedef TheISA::MiscRegFile MiscRegFile;
typedef TheISA::MiscReg MiscReg;
public:
+
enum Status
{
- /// Initialized but not running yet. All CPUs start in
- /// this state, but most transition to Active on cycle 1.
- /// In MP or SMT systems, non-primary contexts will stay
- /// in this state until a thread is assigned to them.
- Unallocated,
-
/// Running. Instructions should be executed only when
/// the context is in this state.
Active,
virtual BaseCPU *getCpuPtr() = 0;
- virtual void setCpuId(int id) = 0;
+ virtual int cpuId() = 0;
- virtual int readCpuId() = 0;
+ virtual int threadId() = 0;
-#if FULL_SYSTEM
- virtual System *getSystemPtr() = 0;
+ virtual void setThreadId(int id) = 0;
+
+ virtual int contextId() = 0;
- virtual TheISA::ITB *getITBPtr() = 0;
+ virtual void setContextId(int id) = 0;
- virtual TheISA::DTB *getDTBPtr() = 0;
+ virtual TheISA::TLB *getITBPtr() = 0;
- virtual Kernel::Statistics *getKernelStats() = 0;
+ virtual TheISA::TLB *getDTBPtr() = 0;
+
+ virtual System *getSystemPtr() = 0;
+
+#if FULL_SYSTEM
+ virtual TheISA::Kernel::Statistics *getKernelStats() = 0;
virtual FunctionalPort *getPhysPort() = 0;
- virtual VirtualPort *getVirtPort(ThreadContext *tc = NULL) = 0;
+ virtual VirtualPort *getVirtPort() = 0;
- virtual void delVirtPort(VirtualPort *vp) = 0;
+ virtual void connectMemPorts(ThreadContext *tc) = 0;
#else
virtual TranslatingPort *getMemPort() = 0;
virtual void activate(int delay = 1) = 0;
/// Set the status to Suspended.
- virtual void suspend() = 0;
-
- /// Set the status to Unallocated.
- virtual void deallocate(int delay = 0) = 0;
+ virtual void suspend(int delay = 0) = 0;
/// Set the status to Halted.
- virtual void halt() = 0;
+ virtual void halt(int delay = 0) = 0;
#if FULL_SYSTEM
virtual void dumpFuncProfile() = 0;
virtual void profileSample() = 0;
#endif
- virtual int getThreadNum() = 0;
-
// Also somewhat obnoxious. Really only used for the TLB fault.
// However, may be quite useful in SPARC.
virtual TheISA::MachInst getInst() = 0;
virtual void setNextNPC(uint64_t val) = 0;
+ virtual uint64_t readMicroPC() = 0;
+
+ virtual void setMicroPC(uint64_t val) = 0;
+
+ virtual uint64_t readNextMicroPC() = 0;
+
+ virtual void setNextMicroPC(uint64_t val) = 0;
+
+ virtual MiscReg readMiscRegNoEffect(int misc_reg) = 0;
+
virtual MiscReg readMiscReg(int misc_reg) = 0;
- virtual MiscReg readMiscRegWithEffect(int misc_reg) = 0;
+ virtual void setMiscRegNoEffect(int misc_reg, const MiscReg &val) = 0;
virtual void setMiscReg(int misc_reg, const MiscReg &val) = 0;
- virtual void setMiscRegWithEffect(int misc_reg, const MiscReg &val) = 0;
+ virtual uint64_t readRegOtherThread(int misc_reg, unsigned tid) { return 0; }
+
+ virtual void setRegOtherThread(int misc_reg, const MiscReg &val, unsigned tid) { };
// Also not necessarily the best location for these two. Hopefully will go
// away once we decide upon where st cond failures goes.
virtual bool misspeculating() = 0;
#if !FULL_SYSTEM
- virtual IntReg getSyscallArg(int i) = 0;
-
- // used to shift args for indirect syscall
- virtual void setSyscallArg(int i, IntReg val) = 0;
-
- virtual void setSyscallReturn(SyscallReturn return_value) = 0;
-
// Same with st cond failures.
virtual Counter readFuncExeInst() = 0;
+ virtual void syscall(int64_t callnum) = 0;
+
// This function exits the thread context in the CPU and returns
// 1 if the CPU has no more active threads (meaning it's OK to exit);
// Used in syscall-emulation mode when a thread calls the exit syscall.
virtual int exit() { return 1; };
#endif
- virtual void changeRegFileContext(TheISA::RegContextParam param,
- TheISA::RegContextVal val) = 0;
+ /** function to compare two thread contexts (for debugging) */
+ static void compare(ThreadContext *one, ThreadContext *two);
};
/**
BaseCPU *getCpuPtr() { return actualTC->getCpuPtr(); }
- void setCpuId(int id) { actualTC->setCpuId(id); }
+ int cpuId() { return actualTC->cpuId(); }
- int readCpuId() { return actualTC->readCpuId(); }
+ int threadId() { return actualTC->threadId(); }
-#if FULL_SYSTEM
- System *getSystemPtr() { return actualTC->getSystemPtr(); }
+ void setThreadId(int id) { return actualTC->setThreadId(id); }
- TheISA::ITB *getITBPtr() { return actualTC->getITBPtr(); }
+ int contextId() { return actualTC->contextId(); }
- TheISA::DTB *getDTBPtr() { return actualTC->getDTBPtr(); }
+ void setContextId(int id) { actualTC->setContextId(id); }
- Kernel::Statistics *getKernelStats() { return actualTC->getKernelStats(); }
+ TheISA::TLB *getITBPtr() { return actualTC->getITBPtr(); }
+
+ TheISA::TLB *getDTBPtr() { return actualTC->getDTBPtr(); }
+
+ System *getSystemPtr() { return actualTC->getSystemPtr(); }
+
+#if FULL_SYSTEM
+ TheISA::Kernel::Statistics *getKernelStats()
+ { return actualTC->getKernelStats(); }
FunctionalPort *getPhysPort() { return actualTC->getPhysPort(); }
- VirtualPort *getVirtPort(ThreadContext *tc = NULL) { return actualTC->getVirtPort(tc); }
+ VirtualPort *getVirtPort() { return actualTC->getVirtPort(); }
- void delVirtPort(VirtualPort *vp) { return actualTC->delVirtPort(vp); }
+ void connectMemPorts(ThreadContext *tc) { actualTC->connectMemPorts(tc); }
#else
TranslatingPort *getMemPort() { return actualTC->getMemPort(); }
void activate(int delay = 1) { actualTC->activate(delay); }
/// Set the status to Suspended.
- void suspend() { actualTC->suspend(); }
-
- /// Set the status to Unallocated.
- void deallocate(int delay = 0) { actualTC->deallocate(); }
+ void suspend(int delay = 0) { actualTC->suspend(); }
/// Set the status to Halted.
- void halt() { actualTC->halt(); }
+ void halt(int delay = 0) { actualTC->halt(); }
#if FULL_SYSTEM
void dumpFuncProfile() { actualTC->dumpFuncProfile(); }
void profileClear() { return actualTC->profileClear(); }
void profileSample() { return actualTC->profileSample(); }
#endif
-
- int getThreadNum() { return actualTC->getThreadNum(); }
-
// @todo: Do I need this?
MachInst getInst() { return actualTC->getInst(); }
void setNextNPC(uint64_t val) { actualTC->setNextNPC(val); }
+ uint64_t readMicroPC() { return actualTC->readMicroPC(); }
+
+ void setMicroPC(uint64_t val) { actualTC->setMicroPC(val); }
+
+ uint64_t readNextMicroPC() { return actualTC->readMicroPC(); }
+
+ void setNextMicroPC(uint64_t val) { actualTC->setNextMicroPC(val); }
+
+ MiscReg readMiscRegNoEffect(int misc_reg)
+ { return actualTC->readMiscRegNoEffect(misc_reg); }
+
MiscReg readMiscReg(int misc_reg)
{ return actualTC->readMiscReg(misc_reg); }
- MiscReg readMiscRegWithEffect(int misc_reg)
- { return actualTC->readMiscRegWithEffect(misc_reg); }
+ void setMiscRegNoEffect(int misc_reg, const MiscReg &val)
+ { return actualTC->setMiscRegNoEffect(misc_reg, val); }
void setMiscReg(int misc_reg, const MiscReg &val)
{ return actualTC->setMiscReg(misc_reg, val); }
- void setMiscRegWithEffect(int misc_reg, const MiscReg &val)
- { return actualTC->setMiscRegWithEffect(misc_reg, val); }
-
unsigned readStCondFailures()
{ return actualTC->readStCondFailures(); }
bool misspeculating() { return actualTC->misspeculating(); }
#if !FULL_SYSTEM
- IntReg getSyscallArg(int i) { return actualTC->getSyscallArg(i); }
-
- // used to shift args for indirect syscall
- void setSyscallArg(int i, IntReg val)
- { actualTC->setSyscallArg(i, val); }
-
- void setSyscallReturn(SyscallReturn return_value)
- { actualTC->setSyscallReturn(return_value); }
+ void syscall(int64_t callnum)
+ { actualTC->syscall(callnum); }
Counter readFuncExeInst() { return actualTC->readFuncExeInst(); }
#endif
-
- void changeRegFileContext(TheISA::RegContextParam param,
- TheISA::RegContextVal val)
- {
- actualTC->changeRegFileContext(param, val);
- }
};
#endif
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