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-rw-r--r--cpu/base.cc3
-rw-r--r--cpu/base.hh7
-rw-r--r--cpu/cpu_exec_context.cc92
-rw-r--r--cpu/cpu_exec_context.hh202
-rw-r--r--cpu/exec_context.hh117
-rw-r--r--cpu/exetrace.cc15
-rw-r--r--cpu/exetrace.hh2
-rw-r--r--cpu/o3/alpha_cpu.hh4
-rw-r--r--cpu/o3/alpha_cpu_impl.hh12
-rw-r--r--cpu/o3/alpha_dyn_inst.hh36
-rw-r--r--cpu/o3/cpu.cc47
-rw-r--r--cpu/o3/cpu.hh16
-rw-r--r--cpu/o3/regfile.hh80
-rw-r--r--cpu/op_class.cc50
-rw-r--r--cpu/op_class.hh64
-rw-r--r--cpu/ozone/cpu.hh36
-rw-r--r--cpu/pc_event.hh5
-rw-r--r--cpu/simple/cpu.cc449
-rw-r--r--cpu/simple/cpu.hh162
-rw-r--r--cpu/static_inst.hh15
20 files changed, 1009 insertions, 405 deletions
diff --git a/cpu/base.cc b/cpu/base.cc
index 2eb5f7fd3..9ce458c64 100644
--- a/cpu/base.cc
+++ b/cpu/base.cc
@@ -65,7 +65,7 @@ BaseCPU::BaseCPU(Params *p)
#else
BaseCPU::BaseCPU(Params *p)
: SimObject(p->name), clock(p->clock), params(p),
- number_of_threads(p->numberOfThreads)
+ number_of_threads(p->numberOfThreads), system(p->system)
#endif
{
DPRINTF(FullCPU, "BaseCPU: Creating object, mem address %#x.\n", this);
@@ -229,6 +229,7 @@ BaseCPU::registerExecContexts()
{
for (int i = 0; i < execContexts.size(); ++i) {
ExecContext *xc = execContexts[i];
+
#if FULL_SYSTEM
int id = params->cpu_id;
if (id != -1)
diff --git a/cpu/base.hh b/cpu/base.hh
index d9d5d2b88..79700c117 100644
--- a/cpu/base.hh
+++ b/cpu/base.hh
@@ -38,11 +38,8 @@
#include "sim/sim_object.hh"
#include "arch/isa_traits.hh"
-#if FULL_SYSTEM
class System;
namespace Kernel { class Statistics; }
-#endif
-
class BranchPred;
class ExecContext;
@@ -123,8 +120,8 @@ class BaseCPU : public SimObject
Tick clock;
bool functionTrace;
Tick functionTraceStart;
-#if FULL_SYSTEM
System *system;
+#if FULL_SYSTEM
int cpu_id;
Tick profile;
#endif
@@ -173,9 +170,9 @@ class BaseCPU : public SimObject
*/
EventQueue **comLoadEventQueue;
-#if FULL_SYSTEM
System *system;
+#if FULL_SYSTEM
/**
* Serialize this object to the given output stream.
* @param os The stream to serialize to.
diff --git a/cpu/cpu_exec_context.cc b/cpu/cpu_exec_context.cc
index b7238e73a..ec1e94561 100644
--- a/cpu/cpu_exec_context.cc
+++ b/cpu/cpu_exec_context.cc
@@ -28,6 +28,7 @@
#include <string>
+#include "arch/isa_traits.hh"
#include "cpu/base.hh"
#include "cpu/cpu_exec_context.hh"
#include "cpu/exec_context.hh"
@@ -41,10 +42,11 @@
#include "kern/kernel_stats.hh"
#include "sim/serialize.hh"
#include "sim/sim_exit.hh"
-#include "sim/system.hh"
#include "arch/stacktrace.hh"
#else
#include "sim/process.hh"
+#include "sim/system.hh"
+#include "mem/translating_port.hh"
#endif
using namespace std;
@@ -52,16 +54,16 @@ using namespace std;
// constructor
#if FULL_SYSTEM
CPUExecContext::CPUExecContext(BaseCPU *_cpu, int _thread_num, System *_sys,
- AlphaITB *_itb, AlphaDTB *_dtb,
- FunctionalMemory *_mem)
+ AlphaITB *_itb, AlphaDTB *_dtb)
: _status(ExecContext::Unallocated), cpu(_cpu), thread_num(_thread_num),
- cpu_id(-1), lastActivate(0), lastSuspend(0), mem(_mem), itb(_itb),
- dtb(_dtb), system(_sys), memctrl(_sys->memctrl), physmem(_sys->physmem),
- profile(NULL), quiesceEvent(this), func_exe_inst(0), storeCondFailures(0)
+ cpu_id(-1), lastActivate(0), lastSuspend(0), system(_sys), itb(_itb),
+ dtb(_dtb), profile(NULL), quiesceEvent(this), func_exe_inst(0),
+ storeCondFailures(0)
+
{
proxy = new ProxyExecContext<CPUExecContext>(this);
- memset(&regs, 0, sizeof(RegFile));
+ regs.clear();
if (cpu->params->profile) {
profile = new FunctionProfile(system->kernelSymtab);
@@ -76,30 +78,39 @@ CPUExecContext::CPUExecContext(BaseCPU *_cpu, int _thread_num, System *_sys,
static ProfileNode dummyNode;
profileNode = &dummyNode;
profilePC = 3;
+
+ Port *mem_port;
+ physPort = new FunctionalPort();
+ mem_port = system->physmem->getPort("functional");
+ mem_port->setPeer(physPort);
+ physPort->setPeer(mem_port);
+
+ virtPort = new VirtualPort();
+ mem_port = system->physmem->getPort("functional");
+ mem_port->setPeer(virtPort);
+ virtPort->setPeer(mem_port);
}
#else
CPUExecContext::CPUExecContext(BaseCPU *_cpu, int _thread_num,
- Process *_process, int _asid)
+ Process *_process, int _asid, MemObject* memobj)
: _status(ExecContext::Unallocated),
cpu(_cpu), thread_num(_thread_num), cpu_id(-1), lastActivate(0),
- lastSuspend(0), process(_process), mem(process->getMemory()), asid(_asid),
- func_exe_inst(0), storeCondFailures(0)
-{
- memset(&regs, 0, sizeof(RegFile));
- proxy = new ProxyExecContext<CPUExecContext>(this);
-}
-
-CPUExecContext::CPUExecContext(BaseCPU *_cpu, int _thread_num,
- FunctionalMemory *_mem, int _asid)
- : cpu(_cpu), thread_num(_thread_num), process(0), mem(_mem), asid(_asid),
+ lastSuspend(0), process(_process), asid(_asid),
func_exe_inst(0), storeCondFailures(0)
{
- memset(&regs, 0, sizeof(RegFile));
+ /* Use this port to for syscall emulation writes to memory. */
+ Port *mem_port;
+ port = new TranslatingPort(process->pTable, false);
+ mem_port = memobj->getPort("functional");
+ mem_port->setPeer(port);
+ port->setPeer(mem_port);
+
+ regs.clear();
proxy = new ProxyExecContext<CPUExecContext>(this);
}
CPUExecContext::CPUExecContext(RegFile *regFile)
- : cpu(NULL), thread_num(-1), process(NULL), mem(NULL), asid(-1),
+ : cpu(NULL), thread_num(-1), process(NULL), asid(-1),
func_exe_inst(0), storeCondFailures(0)
{
regs = *regFile;
@@ -158,7 +169,6 @@ void
CPUExecContext::takeOverFrom(ExecContext *oldContext)
{
// some things should already be set up
- assert(mem == oldContext->getMemPtr());
#if FULL_SYSTEM
assert(system == oldContext->getSystemPtr());
#else
@@ -277,22 +287,34 @@ CPUExecContext::regStats(const string &name)
void
CPUExecContext::copyArchRegs(ExecContext *xc)
{
- // First loop through the integer registers.
- for (int i = 0; i < AlphaISA::NumIntRegs; ++i) {
- setIntReg(i, xc->readIntReg(i));
- }
+ TheISA::copyRegs(xc, proxy);
+}
- // Then loop through the floating point registers.
- for (int i = 0; i < AlphaISA::NumFloatRegs; ++i) {
- setFloatRegDouble(i, xc->readFloatRegDouble(i));
- setFloatRegInt(i, xc->readFloatRegInt(i));
- }
+#if FULL_SYSTEM
+VirtualPort*
+CPUExecContext::getVirtPort(ExecContext *xc)
+{
+ if (!xc)
+ return virtPort;
- // Copy misc. registers
- regs.miscRegs.copyMiscRegs(xc);
+ VirtualPort *vp;
+ Port *mem_port;
- // Lastly copy PC/NPC
- setPC(xc->readPC());
- setNextPC(xc->readNextPC());
+ vp = new VirtualPort(xc);
+ mem_port = system->physmem->getPort("functional");
+ mem_port->setPeer(vp);
+ vp->setPeer(mem_port);
+ return vp;
}
+void
+CPUExecContext::delVirtPort(VirtualPort *vp)
+{
+// assert(!vp->nullExecContext());
+ delete vp->getPeer();
+ delete vp;
+}
+
+
+#endif
+
diff --git a/cpu/cpu_exec_context.hh b/cpu/cpu_exec_context.hh
index beaf67352..2c06a7b3b 100644
--- a/cpu/cpu_exec_context.hh
+++ b/cpu/cpu_exec_context.hh
@@ -32,16 +32,13 @@
#include "arch/isa_traits.hh"
#include "config/full_system.hh"
#include "cpu/exec_context.hh"
-#include "mem/functional/functional.hh"
-#include "mem/mem_req.hh"
+#include "mem/physical.hh"
+#include "mem/request.hh"
#include "sim/byteswap.hh"
#include "sim/eventq.hh"
#include "sim/host.hh"
#include "sim/serialize.hh"
-// forward declaration: see functional_memory.hh
-class FunctionalMemory;
-class PhysicalMemory;
class BaseCPU;
#if FULL_SYSTEM
@@ -51,11 +48,16 @@ class BaseCPU;
class FunctionProfile;
class ProfileNode;
-class MemoryController;
+class FunctionalPort;
+class PhysicalPort;
+
#else // !FULL_SYSTEM
#include "sim/process.hh"
+#include "mem/page_table.hh"
+class TranslatingPort;
+
#endif // FULL_SYSTEM
@@ -72,6 +74,8 @@ class CPUExecContext
typedef TheISA::MachInst MachInst;
typedef TheISA::MiscRegFile MiscRegFile;
typedef TheISA::MiscReg MiscReg;
+ typedef TheISA::FloatReg FloatReg;
+ typedef TheISA::FloatRegBits FloatRegBits;
public:
typedef ExecContext::Status Status;
@@ -118,17 +122,20 @@ class CPUExecContext
Tick lastActivate;
Tick lastSuspend;
+ System *system;
+
+
#if FULL_SYSTEM
- FunctionalMemory *mem;
AlphaITB *itb;
AlphaDTB *dtb;
- System *system;
- // the following two fields are redundant, since we can always
- // look them up through the system pointer, but we'll leave them
- // here for now for convenience
- MemoryController *memctrl;
- PhysicalMemory *physmem;
+ /** A functional port outgoing only for functional accesses to physical
+ * addresses.*/
+ FunctionalPort *physPort;
+
+ /** A functional port, outgoing only, for functional accesse to virtual
+ * addresses. That doen't require execution context information */
+ VirtualPort *virtPort;
FunctionProfile *profile;
ProfileNode *profileNode;
@@ -162,9 +169,10 @@ class CPUExecContext
void profileSample();
#else
- Process *process;
+ /// Port that syscalls can use to access memory (provides translation step).
+ TranslatingPort *port;
- FunctionalMemory *mem; // functional storage for process address space
+ Process *process;
// Address space ID. Note that this is used for TIMING cache
// simulation only; all functional memory accesses should use
@@ -200,11 +208,10 @@ class CPUExecContext
// constructor: initialize context from given process structure
#if FULL_SYSTEM
CPUExecContext(BaseCPU *_cpu, int _thread_num, System *_system,
- AlphaITB *_itb, AlphaDTB *_dtb, FunctionalMemory *_dem);
+ AlphaITB *_itb, AlphaDTB *_dtb);
#else
- CPUExecContext(BaseCPU *_cpu, int _thread_num, Process *_process, int _asid);
- CPUExecContext(BaseCPU *_cpu, int _thread_num, FunctionalMemory *_mem,
- int _asid);
+ CPUExecContext(BaseCPU *_cpu, int _thread_num, Process *_process, int _asid,
+ MemObject *memobj);
// Constructor to use XC to pass reg file around. Not used for anything
// else.
CPUExecContext(RegFile *regFile);
@@ -227,74 +234,67 @@ class CPUExecContext
#if FULL_SYSTEM
System *getSystemPtr() { return system; }
- PhysicalMemory *getPhysMemPtr() { return physmem; }
-
AlphaITB *getITBPtr() { return itb; }
AlphaDTB *getDTBPtr() { return dtb; }
- bool validInstAddr(Addr addr) { return true; }
- bool validDataAddr(Addr addr) { return true; }
int getInstAsid() { return regs.instAsid(); }
int getDataAsid() { return regs.dataAsid(); }
- Fault translateInstReq(MemReqPtr &req)
+ Fault translateInstReq(RequestPtr &req)
{
- return itb->translate(req);
+ return itb->translate(req, proxy);
}
- Fault translateDataReadReq(MemReqPtr &req)
+ Fault translateDataReadReq(RequestPtr &req)
{
- return dtb->translate(req, false);
+ return dtb->translate(req, proxy, false);
}
- Fault translateDataWriteReq(MemReqPtr &req)
+ Fault translateDataWriteReq(RequestPtr &req)
{
- return dtb->translate(req, true);
+ return dtb->translate(req, proxy, true);
}
-#else
- Process *getProcessPtr() { return process; }
+ FunctionalPort *getPhysPort() { return physPort; }
- bool validInstAddr(Addr addr)
- { return process->validInstAddr(addr); }
+ /** Return a virtual port. If no exec context is specified then a static
+ * port is returned. Otherwise a port is created and returned. It must be
+ * deleted by deleteVirtPort(). */
+ VirtualPort *getVirtPort(ExecContext *xc);
- bool validDataAddr(Addr addr)
- { return process->validDataAddr(addr); }
+ void delVirtPort(VirtualPort *vp);
+
+#else
+ TranslatingPort *getMemPort() { return port; }
+
+ Process *getProcessPtr() { return process; }
int getInstAsid() { return asid; }
int getDataAsid() { return asid; }
- Fault dummyTranslation(MemReqPtr &req)
- {
-#if 0
- assert((req->vaddr >> 48 & 0xffff) == 0);
-#endif
-
- // put the asid in the upper 16 bits of the paddr
- req->paddr = req->vaddr & ~((Addr)0xffff << sizeof(Addr) * 8 - 16);
- req->paddr = req->paddr | (Addr)req->asid << sizeof(Addr) * 8 - 16;
- return NoFault;
- }
- Fault translateInstReq(MemReqPtr &req)
+ Fault translateInstReq(RequestPtr &req)
{
- return dummyTranslation(req);
+ return process->pTable->translate(req);
}
- Fault translateDataReadReq(MemReqPtr &req)
+
+ Fault translateDataReadReq(RequestPtr &req)
{
- return dummyTranslation(req);
+ return process->pTable->translate(req);
}
- Fault translateDataWriteReq(MemReqPtr &req)
+
+ Fault translateDataWriteReq(RequestPtr &req)
{
- return dummyTranslation(req);
+ return process->pTable->translate(req);
}
#endif
+/*
template <class T>
- Fault read(MemReqPtr &req, T &data)
+ Fault read(RequestPtr &req, T &data)
{
-#if FULL_SYSTEM && defined(TARGET_ALPHA)
+#if FULL_SYSTEM && THE_ISA == ALPHA_ISA
if (req->flags & LOCKED) {
req->xc->setMiscReg(TheISA::Lock_Addr_DepTag, req->paddr);
req->xc->setMiscReg(TheISA::Lock_Flag_DepTag, true);
@@ -302,15 +302,15 @@ class CPUExecContext
#endif
Fault error;
- error = mem->read(req, data);
+ error = mem->prot_read(req->paddr, data, req->size);
data = LittleEndianGuest::gtoh(data);
return error;
}
template <class T>
- Fault write(MemReqPtr &req, T &data)
+ Fault write(RequestPtr &req, T &data)
{
-#if FULL_SYSTEM && defined(TARGET_ALPHA)
+#if FULL_SYSTEM && THE_ISA == ALPHA_ISA
ExecContext *xc;
// If this is a store conditional, act appropriately
@@ -356,9 +356,9 @@ class CPUExecContext
}
#endif
- return mem->write(req, (T)LittleEndianGuest::htog(data));
+ return mem->prot_write(req->paddr, (T)htog(data), req->size);
}
-
+*/
virtual bool misspeculating();
@@ -369,17 +369,17 @@ class CPUExecContext
inst = new_inst;
}
- Fault instRead(MemReqPtr &req)
+ Fault instRead(RequestPtr &req)
{
- return mem->read(req, inst);
+ panic("instRead not implemented");
+ // return funcPhysMem->read(req, inst);
+ return NoFault;
}
void setCpuId(int id) { cpu_id = id; }
int readCpuId() { return cpu_id; }
- FunctionalMemory *getMemPtr() { return mem; }
-
void copyArchRegs(ExecContext *xc);
//
@@ -387,93 +387,103 @@ class CPUExecContext
//
uint64_t readIntReg(int reg_idx)
{
- return regs.intRegFile[reg_idx];
+ return regs.readIntReg(reg_idx);
}
- float readFloatRegSingle(int reg_idx)
+ FloatReg readFloatReg(int reg_idx, int width)
{
- return (float)regs.floatRegFile.d[reg_idx];
+ return regs.readFloatReg(reg_idx, width);
}
- double readFloatRegDouble(int reg_idx)
+ FloatReg readFloatReg(int reg_idx)
{
- return regs.floatRegFile.d[reg_idx];
+ return regs.readFloatReg(reg_idx);
}
- uint64_t readFloatRegInt(int reg_idx)
+ FloatRegBits readFloatRegBits(int reg_idx, int width)
{
- return regs.floatRegFile.q[reg_idx];
+ return regs.readFloatRegBits(reg_idx, width);
+ }
+
+ FloatRegBits readFloatRegBits(int reg_idx)
+ {
+ return regs.readFloatRegBits(reg_idx);
}
void setIntReg(int reg_idx, uint64_t val)
{
- regs.intRegFile[reg_idx] = val;
+ regs.setIntReg(reg_idx, val);
}
- void setFloatRegSingle(int reg_idx, float val)
+ void setFloatReg(int reg_idx, FloatReg val, int width)
{
- regs.floatRegFile.d[reg_idx] = (double)val;
+ regs.setFloatReg(reg_idx, val, width);
}
- void setFloatRegDouble(int reg_idx, double val)
+ void setFloatReg(int reg_idx, FloatReg val)
{
- regs.floatRegFile.d[reg_idx] = val;
+ regs.setFloatReg(reg_idx, val);
}
- void setFloatRegInt(int reg_idx, uint64_t val)
+ void setFloatRegBits(int reg_idx, FloatRegBits val, int width)
{
- regs.floatRegFile.q[reg_idx] = val;
+ regs.setFloatRegBits(reg_idx, val, width);
+ }
+
+ void setFloatRegBits(int reg_idx, FloatRegBits val)
+ {
+ regs.setFloatRegBits(reg_idx, val);
}
uint64_t readPC()
{
- return regs.pc;
+ return regs.readPC();
}
void setPC(uint64_t val)
{
- regs.pc = val;
+ regs.setPC(val);
}
uint64_t readNextPC()
{
- return regs.npc;
+ return regs.readNextPC();
}
void setNextPC(uint64_t val)
{
- regs.npc = val;
+ regs.setNextPC(val);
}
uint64_t readNextNPC()
{
- return regs.nnpc;
+ return regs.readNextNPC();
}
void setNextNPC(uint64_t val)
{
- regs.nnpc = val;
+ regs.setNextNPC(val);
}
MiscReg readMiscReg(int misc_reg)
{
- return regs.miscRegs.readReg(misc_reg);
+ return regs.readMiscReg(misc_reg);
}
MiscReg readMiscRegWithEffect(int misc_reg, Fault &fault)
{
- return regs.miscRegs.readRegWithEffect(misc_reg, fault, proxy);
+ return regs.readMiscRegWithEffect(misc_reg, fault, proxy);
}
Fault setMiscReg(int misc_reg, const MiscReg &val)
{
- return regs.miscRegs.setReg(misc_reg, val);
+ return regs.setMiscReg(misc_reg, val);
}
Fault setMiscRegWithEffect(int misc_reg, const MiscReg &val)
{
- return regs.miscRegs.setRegWithEffect(misc_reg, val, proxy);
+ return regs.setMiscRegWithEffect(misc_reg, val, proxy);
}
unsigned readStCondFailures() { return storeCondFailures; }
@@ -481,26 +491,26 @@ class CPUExecContext
void setStCondFailures(unsigned sc_failures)
{ storeCondFailures = sc_failures; }
- void clearArchRegs() { memset(&regs, 0, sizeof(regs)); }
+ void clearArchRegs() { regs.clear(); }
#if FULL_SYSTEM
int readIntrFlag() { return regs.intrflag; }
void setIntrFlag(int val) { regs.intrflag = val; }
Fault hwrei();
- bool inPalMode() { return AlphaISA::PcPAL(regs.pc); }
+ bool inPalMode() { return AlphaISA::PcPAL(regs.readPC()); }
bool simPalCheck(int palFunc);
#endif
#if !FULL_SYSTEM
TheISA::IntReg getSyscallArg(int i)
{
- return regs.intRegFile[TheISA::ArgumentReg0 + i];
+ return regs.readIntReg(TheISA::ArgumentReg0 + i);
}
// used to shift args for indirect syscall
void setSyscallArg(int i, TheISA::IntReg val)
{
- regs.intRegFile[TheISA::ArgumentReg0 + i] = val;
+ regs.setIntReg(TheISA::ArgumentReg0 + i, val);
}
void setSyscallReturn(SyscallReturn return_value)
@@ -508,15 +518,21 @@ class CPUExecContext
TheISA::setSyscallReturn(return_value, &regs);
}
- void syscall()
+ void syscall(int64_t callnum)
{
- process->syscall(proxy);
+ process->syscall(callnum, proxy);
}
Counter readFuncExeInst() { return func_exe_inst; }
void setFuncExeInst(Counter new_val) { func_exe_inst = new_val; }
#endif
+
+ void changeRegFileContext(RegFile::ContextParam param,
+ RegFile::ContextVal val)
+ {
+ regs.changeContext(param, val);
+ }
};
diff --git a/cpu/exec_context.hh b/cpu/exec_context.hh
index 2b6c41bd7..1f26183ab 100644
--- a/cpu/exec_context.hh
+++ b/cpu/exec_context.hh
@@ -30,21 +30,21 @@
#define __CPU_EXEC_CONTEXT_HH__
#include "config/full_system.hh"
-#include "mem/mem_req.hh"
+#include "mem/request.hh"
#include "sim/faults.hh"
#include "sim/host.hh"
#include "sim/serialize.hh"
#include "sim/byteswap.hh"
-// forward declaration: see functional_memory.hh
// @todo: Figure out a more architecture independent way to obtain the ITB and
// DTB pointers.
class AlphaDTB;
class AlphaITB;
class BaseCPU;
class Event;
-class FunctionalMemory;
-class PhysicalMemory;
+class TranslatingPort;
+class FunctionalPort;
+class VirtualPort;
class Process;
class System;
@@ -54,6 +54,8 @@ class ExecContext
typedef TheISA::RegFile RegFile;
typedef TheISA::MachInst MachInst;
typedef TheISA::IntReg IntReg;
+ typedef TheISA::FloatReg FloatReg;
+ typedef TheISA::FloatRegBits FloatRegBits;
typedef TheISA::MiscRegFile MiscRegFile;
typedef TheISA::MiscReg MiscReg;
public:
@@ -87,17 +89,21 @@ class ExecContext
virtual int readCpuId() = 0;
- virtual FunctionalMemory *getMemPtr() = 0;
-
#if FULL_SYSTEM
virtual System *getSystemPtr() = 0;
- virtual PhysicalMemory *getPhysMemPtr() = 0;
-
virtual AlphaITB *getITBPtr() = 0;
virtual AlphaDTB * getDTBPtr() = 0;
+
+ virtual FunctionalPort *getPhysPort() = 0;
+
+ virtual VirtualPort *getVirtPort(ExecContext *xc = NULL) = 0;
+
+ virtual void delVirtPort(VirtualPort *vp) = 0;
#else
+ virtual TranslatingPort *getMemPort() = 0;
+
virtual Process *getProcessPtr() = 0;
#endif
@@ -143,16 +149,14 @@ class ExecContext
virtual int getThreadNum() = 0;
- virtual bool validInstAddr(Addr addr) = 0;
- virtual bool validDataAddr(Addr addr) = 0;
virtual int getInstAsid() = 0;
virtual int getDataAsid() = 0;
- virtual Fault translateInstReq(MemReqPtr &req) = 0;
+ virtual Fault translateInstReq(RequestPtr &req) = 0;
- virtual Fault translateDataReadReq(MemReqPtr &req) = 0;
+ virtual Fault translateDataReadReq(RequestPtr &req) = 0;
- virtual Fault translateDataWriteReq(MemReqPtr &req) = 0;
+ virtual Fault translateDataWriteReq(RequestPtr &req) = 0;
// Also somewhat obnoxious. Really only used for the TLB fault.
// However, may be quite useful in SPARC.
@@ -167,19 +171,23 @@ class ExecContext
//
virtual uint64_t readIntReg(int reg_idx) = 0;
- virtual float readFloatRegSingle(int reg_idx) = 0;
+ virtual FloatReg readFloatReg(int reg_idx, int width) = 0;
- virtual double readFloatRegDouble(int reg_idx) = 0;
+ virtual FloatReg readFloatReg(int reg_idx) = 0;
- virtual uint64_t readFloatRegInt(int reg_idx) = 0;
+ virtual FloatRegBits readFloatRegBits(int reg_idx, int width) = 0;
+
+ virtual FloatRegBits readFloatRegBits(int reg_idx) = 0;
virtual void setIntReg(int reg_idx, uint64_t val) = 0;
- virtual void setFloatRegSingle(int reg_idx, float val) = 0;
+ virtual void setFloatReg(int reg_idx, FloatReg val, int width) = 0;
+
+ virtual void setFloatReg(int reg_idx, FloatReg val) = 0;
- virtual void setFloatRegDouble(int reg_idx, double val) = 0;
+ virtual void setFloatRegBits(int reg_idx, FloatRegBits val) = 0;
- virtual void setFloatRegInt(int reg_idx, uint64_t val) = 0;
+ virtual void setFloatRegBits(int reg_idx, FloatRegBits val, int width) = 0;
virtual uint64_t readPC() = 0;
@@ -189,6 +197,10 @@ class ExecContext
virtual void setNextPC(uint64_t val) = 0;
+ virtual uint64_t readNextNPC() = 0;
+
+ virtual void setNextNPC(uint64_t val) = 0;
+
virtual MiscReg readMiscReg(int misc_reg) = 0;
virtual MiscReg readMiscRegWithEffect(int misc_reg, Fault &fault) = 0;
@@ -222,13 +234,16 @@ class ExecContext
virtual void setSyscallReturn(SyscallReturn return_value) = 0;
- virtual void syscall() = 0;
+ virtual void syscall(int64_t callnum) = 0;
// Same with st cond failures.
virtual Counter readFuncExeInst() = 0;
virtual void setFuncExeInst(Counter new_val) = 0;
#endif
+
+ virtual void changeRegFileContext(RegFile::ContextParam param,
+ RegFile::ContextVal val) = 0;
};
template <class XC>
@@ -249,17 +264,21 @@ class ProxyExecContext : public ExecContext
int readCpuId() { return actualXC->readCpuId(); }
- FunctionalMemory *getMemPtr() { return actualXC->getMemPtr(); }
-
#if FULL_SYSTEM
System *getSystemPtr() { return actualXC->getSystemPtr(); }
- PhysicalMemory *getPhysMemPtr() { return actualXC->getPhysMemPtr(); }
-
AlphaITB *getITBPtr() { return actualXC->getITBPtr(); }
AlphaDTB *getDTBPtr() { return actualXC->getDTBPtr(); }
+
+ FunctionalPort *getPhysPort() { return actualXC->getPhysPort(); }
+
+ VirtualPort *getVirtPort(ExecContext *xc = NULL) { return actualXC->getVirtPort(xc); }
+
+ void delVirtPort(VirtualPort *vp) { return actualXC->delVirtPort(vp); }
#else
+ TranslatingPort *getMemPort() { return actualXC->getMemPort(); }
+
Process *getProcessPtr() { return actualXC->getProcessPtr(); }
#endif
@@ -305,18 +324,16 @@ class ProxyExecContext : public ExecContext
int getThreadNum() { return actualXC->getThreadNum(); }
- bool validInstAddr(Addr addr) { return actualXC->validInstAddr(addr); }
- bool validDataAddr(Addr addr) { return actualXC->validDataAddr(addr); }
int getInstAsid() { return actualXC->getInstAsid(); }
int getDataAsid() { return actualXC->getDataAsid(); }
- Fault translateInstReq(MemReqPtr &req)
+ Fault translateInstReq(RequestPtr &req)
{ return actualXC->translateInstReq(req); }
- Fault translateDataReadReq(MemReqPtr &req)
+ Fault translateDataReadReq(RequestPtr &req)
{ return actualXC->translateDataReadReq(req); }
- Fault translateDataWriteReq(MemReqPtr &req)
+ Fault translateDataWriteReq(RequestPtr &req)
{ return actualXC->translateDataWriteReq(req); }
// @todo: Do I need this?
@@ -333,26 +350,32 @@ class ProxyExecContext : public ExecContext
uint64_t readIntReg(int reg_idx)
{ return actualXC->readIntReg(reg_idx); }
- float readFloatRegSingle(int reg_idx)
- { return actualXC->readFloatRegSingle(reg_idx); }
+ FloatReg readFloatReg(int reg_idx, int width)
+ { return actualXC->readFloatReg(reg_idx, width); }
+
+ FloatReg readFloatReg(int reg_idx)
+ { return actualXC->readFloatReg(reg_idx); }
- double readFloatRegDouble(int reg_idx)
- { return actualXC->readFloatRegDouble(reg_idx); }
+ FloatRegBits readFloatRegBits(int reg_idx, int width)
+ { return actualXC->readFloatRegBits(reg_idx, width); }
- uint64_t readFloatRegInt(int reg_idx)
- { return actualXC->readFloatRegInt(reg_idx); }
+ FloatRegBits readFloatRegBits(int reg_idx)
+ { return actualXC->readFloatRegBits(reg_idx); }
void setIntReg(int reg_idx, uint64_t val)
{ actualXC->setIntReg(reg_idx, val); }
- void setFloatRegSingle(int reg_idx, float val)
- { actualXC->setFloatRegSingle(reg_idx, val); }
+ void setFloatReg(int reg_idx, FloatReg val, int width)
+ { actualXC->setFloatReg(reg_idx, val, width); }
- void setFloatRegDouble(int reg_idx, double val)
- { actualXC->setFloatRegDouble(reg_idx, val); }
+ void setFloatReg(int reg_idx, FloatReg val)
+ { actualXC->setFloatReg(reg_idx, val); }
- void setFloatRegInt(int reg_idx, uint64_t val)
- { actualXC->setFloatRegInt(reg_idx, val); }
+ void setFloatRegBits(int reg_idx, FloatRegBits val, int width)
+ { actualXC->setFloatRegBits(reg_idx, val, width); }
+
+ void setFloatRegBits(int reg_idx, FloatRegBits val)
+ { actualXC->setFloatRegBits(reg_idx, val); }
uint64_t readPC() { return actualXC->readPC(); }
@@ -362,6 +385,10 @@ class ProxyExecContext : public ExecContext
void setNextPC(uint64_t val) { actualXC->setNextPC(val); }
+ uint64_t readNextNPC() { return actualXC->readNextNPC(); }
+
+ void setNextNPC(uint64_t val) { actualXC->setNextNPC(val); }
+
MiscReg readMiscReg(int misc_reg)
{ return actualXC->readMiscReg(misc_reg); }
@@ -405,13 +432,19 @@ class ProxyExecContext : public ExecContext
void setSyscallReturn(SyscallReturn return_value)
{ actualXC->setSyscallReturn(return_value); }
- void syscall() { actualXC->syscall(); }
+ void syscall(int64_t callnum) { actualXC->syscall(callnum); }
Counter readFuncExeInst() { return actualXC->readFuncExeInst(); }
void setFuncExeInst(Counter new_val)
{ return actualXC->setFuncExeInst(new_val); }
#endif
+
+ void changeRegFileContext(RegFile::ContextParam param,
+ RegFile::ContextVal val)
+ {
+ actualXC->changeRegFileContext(param, val);
+ }
};
#endif
diff --git a/cpu/exetrace.cc b/cpu/exetrace.cc
index 84b5eacf7..0ed3b43c4 100644
--- a/cpu/exetrace.cc
+++ b/cpu/exetrace.cc
@@ -29,14 +29,12 @@
#include <fstream>
#include <iomanip>
-#include "sim/param.hh"
-#include "encumbered/cpu/full/dyn_inst.hh"
-#include "encumbered/cpu/full/spec_state.hh"
-#include "encumbered/cpu/full/issue.hh"
-#include "cpu/exetrace.hh"
#include "base/loader/symtab.hh"
#include "cpu/base.hh"
+#include "cpu/exetrace.hh"
#include "cpu/static_inst.hh"
+#include "sim/param.hh"
+#include "sim/system.hh"
using namespace std;
@@ -130,10 +128,11 @@ Trace::InstRecord::dump(ostream &outs)
outs << " A=0x" << hex << addr;
if (flags[PRINT_INT_REGS] && regs_valid) {
- for (int i = 0; i < 32;)
+ for (int i = 0; i < TheISA::NumIntRegs;)
for (int j = i + 1; i <= j; i++)
- ccprintf(outs, "r%02d = %#018x%s", i, iregs->regs[i],
- ((i == j) ? "\n" : " "));
+ ccprintf(outs, "r%02d = %#018x%s", i,
+ iregs->regs.readReg(i),
+ ((i == j) ? "\n" : " "));
outs << "\n";
}
diff --git a/cpu/exetrace.hh b/cpu/exetrace.hh
index 67d042ec8..a26cdc517 100644
--- a/cpu/exetrace.hh
+++ b/cpu/exetrace.hh
@@ -163,7 +163,7 @@ InstRecord::setRegs(const IntRegFile &regs)
if (!iregs)
iregs = new iRegFile;
- memcpy(&iregs->regs, regs, sizeof(IntRegFile));
+ memcpy(&iregs->regs, &regs, sizeof(IntRegFile));
regs_valid = true;
}
diff --git a/cpu/o3/alpha_cpu.hh b/cpu/o3/alpha_cpu.hh
index 0352e9972..8e1e0f42a 100644
--- a/cpu/o3/alpha_cpu.hh
+++ b/cpu/o3/alpha_cpu.hh
@@ -208,7 +208,7 @@ class AlphaFullCPU : public FullO3CPU<Impl>
template <class T>
Fault read(MemReqPtr &req, T &data)
{
-#if FULL_SYSTEM && defined(TARGET_ALPHA)
+#if FULL_SYSTEM && THE_ISA == ALPHA_ISA
if (req->flags & LOCKED) {
req->xc->setMiscReg(TheISA::Lock_Addr_DepTag, req->paddr);
req->xc->setMiscReg(TheISA::Lock_Flag_DepTag, true);
@@ -230,7 +230,7 @@ class AlphaFullCPU : public FullO3CPU<Impl>
template <class T>
Fault write(MemReqPtr &req, T &data)
{
-#if FULL_SYSTEM && defined(TARGET_ALPHA)
+#if FULL_SYSTEM && THE_ISA == ALPHA_ISA
ExecContext *xc;
// If this is a store conditional, act appropriately
diff --git a/cpu/o3/alpha_cpu_impl.hh b/cpu/o3/alpha_cpu_impl.hh
index 9f1fa24f6..7c4c2b969 100644
--- a/cpu/o3/alpha_cpu_impl.hh
+++ b/cpu/o3/alpha_cpu_impl.hh
@@ -175,10 +175,8 @@ AlphaFullCPU<Impl>::copyToXC()
for (int i = 0; i < AlphaISA::NumFloatRegs; ++i)
{
renamed_reg = this->renameMap.lookup(i + AlphaISA::FP_Base_DepTag);
- this->cpuXC->setFloatRegDouble(i,
- this->regFile.readFloatRegDouble(renamed_reg));
- this->cpuXC->setFloatRegInt(i,
- this->regFile.readFloatRegInt(renamed_reg));
+ this->cpuXC->setFloatRegBits(i,
+ this->regFile.readFloatRegBits(renamed_reg));
}
this->cpuXC->setMiscReg(AlphaISA::Fpcr_DepTag,
@@ -223,10 +221,8 @@ AlphaFullCPU<Impl>::copyFromXC()
for (int i = 0; i < AlphaISA::NumFloatRegs; ++i)
{
renamed_reg = this->renameMap.lookup(i + AlphaISA::FP_Base_DepTag);
- this->regFile.setFloatRegDouble(renamed_reg,
- this->cpuXC->readFloatRegDouble(i));
- this->regFile.setFloatRegInt(renamed_reg,
- this->cpuXC->readFloatRegInt(i));
+ this->regFile.setFloatRegBits(renamed_reg,
+ this->cpuXC->readFloatRegBits(i));
}
// Then loop through the misc registers.
diff --git a/cpu/o3/alpha_dyn_inst.hh b/cpu/o3/alpha_dyn_inst.hh
index e7f7d3a57..5b8a05e5c 100644
--- a/cpu/o3/alpha_dyn_inst.hh
+++ b/cpu/o3/alpha_dyn_inst.hh
@@ -152,19 +152,24 @@ class AlphaDynInst : public BaseDynInst<Impl>
return this->cpu->readIntReg(_srcRegIdx[idx]);
}
- float readFloatRegSingle(const StaticInst *si, int idx)
+ FloatReg readFloatReg(const StaticInst *si, int idx, int width)
{
- return this->cpu->readFloatRegSingle(_srcRegIdx[idx]);
+ return this->cpu->readFloatReg(_srcRegIdx[idx], width);
}
- double readFloatRegDouble(const StaticInst *si, int idx)
+ FloatReg readFloatReg(const StaticInst *si, int idx)
{
- return this->cpu->readFloatRegDouble(_srcRegIdx[idx]);
+ return this->cpu->readFloatReg(_srcRegIdx[idx]);
}
- uint64_t readFloatRegInt(const StaticInst *si, int idx)
+ FloatRegBits readFloatRegBits(const StaticInst *si, int idx, int width)
{
- return this->cpu->readFloatRegInt(_srcRegIdx[idx]);
+ return this->cpu->readFloatRegBits(_srcRegIdx[idx], width);
+ }
+
+ FloatRegBits readFloatRegBits(const StaticInst *si, int idx)
+ {
+ return this->cpu->readFloatRegBits(_srcRegIdx[idx]);
}
/** @todo: Make results into arrays so they can handle multiple dest
@@ -176,21 +181,28 @@ class AlphaDynInst : public BaseDynInst<Impl>
this->instResult.integer = val;
}
- void setFloatRegSingle(const StaticInst *si, int idx, float val)
+ void setFloatReg(const StaticInst *si, int idx, FloatReg val, int width)
{
- this->cpu->setFloatRegSingle(_destRegIdx[idx], val);
+ this->cpu->setFloatReg(_destRegIdx[idx], val, width);
this->instResult.fp = val;
}
- void setFloatRegDouble(const StaticInst *si, int idx, double val)
+ void setFloatReg(const StaticInst *si, int idx, FloatReg val)
{
- this->cpu->setFloatRegDouble(_destRegIdx[idx], val);
+ this->cpu->setFloatReg(_destRegIdx[idx], val);
this->instResult.dbl = val;
}
- void setFloatRegInt(const StaticInst *si, int idx, uint64_t val)
+ void setFloatRegBits(const StaticInst *si, int idx,
+ FloatRegBits val, int width)
+ {
+ this->cpu->setFloatRegBits(_destRegIdx[idx], val, width);
+ this->instResult.integer = val;
+ }
+
+ void setFloatRegBits(const StaticInst *si, int idx, FloatRegBits val)
{
- this->cpu->setFloatRegInt(_destRegIdx[idx], val);
+ this->cpu->setFloatRegBits(_destRegIdx[idx], val);
this->instResult.integer = val;
}
diff --git a/cpu/o3/cpu.cc b/cpu/o3/cpu.cc
index 62d68bb33..a268dbc23 100644
--- a/cpu/o3/cpu.cc
+++ b/cpu/o3/cpu.cc
@@ -258,8 +258,7 @@ FullO3CPU<Impl>::init()
// Then loop through the floating point registers.
for (int i = 0; i < TheISA::NumFloatRegs; ++i)
{
- regFile.floatRegFile[i].d = src_xc->readFloatRegDouble(i);
- regFile.floatRegFile[i].q = src_xc->readFloatRegInt(i);
+ regFile.floatRegFile.setRegBits(i, src_xc->readRegBits(i))
}
/*
// Then loop through the misc registers.
@@ -348,24 +347,31 @@ FullO3CPU<Impl>::readIntReg(int reg_idx)
}
template <class Impl>
-float
-FullO3CPU<Impl>::readFloatRegSingle(int reg_idx)
+FloatReg
+FullO3CPU<Impl>::readFloatReg(int reg_idx, int width)
{
- return regFile.readFloatRegSingle(reg_idx);
+ return regFile.readFloatReg(reg_idx, width);
}
template <class Impl>
-double
-FullO3CPU<Impl>::readFloatRegDouble(int reg_idx)
+FloatReg
+FullO3CPU<Impl>::readFloatReg(int reg_idx)
{
- return regFile.readFloatRegDouble(reg_idx);
+ return regFile.readFloatReg(reg_idx);
}
template <class Impl>
-uint64_t
-FullO3CPU<Impl>::readFloatRegInt(int reg_idx)
+FloatRegBits
+FullO3CPU<Impl>::readFloatRegBits(int reg_idx, int width)
+{
+ return regFile.readFloatRegBits(reg_idx, width);
+}
+
+template <class Impl>
+FloatRegBits
+FullO3CPU<Impl>::readFloatRegBits(int reg_idx)
{
- return regFile.readFloatRegInt(reg_idx);
+ return regFile.readFloatRegBits(reg_idx);
}
template <class Impl>
@@ -377,23 +383,30 @@ FullO3CPU<Impl>::setIntReg(int reg_idx, uint64_t val)
template <class Impl>
void
-FullO3CPU<Impl>::setFloatRegSingle(int reg_idx, float val)
+FullO3CPU<Impl>::setFloatReg(int reg_idx, FloatReg val, int width)
+{
+ regFile.setFloatReg(reg_idx, val, width);
+}
+
+template <class Impl>
+void
+FullO3CPU<Impl>::setFloatReg(int reg_idx, FloatReg val)
{
- regFile.setFloatRegSingle(reg_idx, val);
+ regFile.setFloatReg(reg_idx, val);
}
template <class Impl>
void
-FullO3CPU<Impl>::setFloatRegDouble(int reg_idx, double val)
+FullO3CPU<Impl>::setFloatRegBits(int reg_idx, FloatRegBits val, int width)
{
- regFile.setFloatRegDouble(reg_idx, val);
+ regFile.setFloatRegBits(reg_idx, val, width);
}
template <class Impl>
void
-FullO3CPU<Impl>::setFloatRegInt(int reg_idx, uint64_t val)
+FullO3CPU<Impl>::setFloatRegBits(int reg_idx, FloatRegBits val)
{
- regFile.setFloatRegInt(reg_idx, val);
+ regFile.setFloatRegBits(reg_idx, val);
}
template <class Impl>
diff --git a/cpu/o3/cpu.hh b/cpu/o3/cpu.hh
index 6577e46e4..f7c80e8a1 100644
--- a/cpu/o3/cpu.hh
+++ b/cpu/o3/cpu.hh
@@ -170,19 +170,23 @@ class FullO3CPU : public BaseFullCPU
//
uint64_t readIntReg(int reg_idx);
- float readFloatRegSingle(int reg_idx);
+ FloatReg readFloatReg(int reg_idx);
- double readFloatRegDouble(int reg_idx);
+ FloatReg readFloatReg(int reg_idx, int width);
- uint64_t readFloatRegInt(int reg_idx);
+ FloatRegBits readFloatRegBits(int reg_idx);
+
+ FloatRegBits readFloatRegBits(int reg_idx, int width);
void setIntReg(int reg_idx, uint64_t val);
- void setFloatRegSingle(int reg_idx, float val);
+ void setFloatReg(int reg_idx, FloatReg val, int width);
+
+ void setFloatReg(int reg_idx, FloatReg val, int width);
- void setFloatRegDouble(int reg_idx, double val);
+ void setFloatRegBits(int reg_idx, FloatRegBits val);
- void setFloatRegInt(int reg_idx, uint64_t val);
+ void setFloatRegBits(int reg_idx, FloatRegBits val);
uint64_t readPC();
diff --git a/cpu/o3/regfile.hh b/cpu/o3/regfile.hh
index 1e6e10f29..a5cfa8f3c 100644
--- a/cpu/o3/regfile.hh
+++ b/cpu/o3/regfile.hh
@@ -89,43 +89,64 @@ class PhysRegFile
return intRegFile[reg_idx];
}
- float readFloatRegSingle(PhysRegIndex reg_idx)
+ FloatReg readFloatReg(PhysRegIndex reg_idx, int width)
{
// Remove the base Float reg dependency.
reg_idx = reg_idx - numPhysicalIntRegs;
assert(reg_idx < numPhysicalFloatRegs + numPhysicalIntRegs);
- DPRINTF(IEW, "RegFile: Access to float register %i as single, has "
- "data %8.8f\n", int(reg_idx), (float)floatRegFile[reg_idx].d);
+ FloatReg floatReg = floatRegFile.readReg(reg_idx, width);
- return (float)floatRegFile[reg_idx].d;
+ DPRINTF(IEW, "RegFile: Access to %d byte float register %i, has "
+ "data %8.8d\n", int(reg_idx), (double)floatReg);
+
+ return floatReg;
}
- double readFloatRegDouble(PhysRegIndex reg_idx)
+ FloatReg readFloatReg(PhysRegIndex reg_idx)
{
// Remove the base Float reg dependency.
reg_idx = reg_idx - numPhysicalIntRegs;
assert(reg_idx < numPhysicalFloatRegs + numPhysicalIntRegs);
- DPRINTF(IEW, "RegFile: Access to float register %i as double, has "
- " data %8.8f\n", int(reg_idx), floatRegFile[reg_idx].d);
+ FloatReg floatReg = floatRegFile.readReg(reg_idx);
+
+ DPRINTF(IEW, "RegFile: Access to float register %i, has "
+ "data %8.8d\n", int(reg_idx), (double)floatReg);
- return floatRegFile[reg_idx].d;
+ return floatReg;
}
- uint64_t readFloatRegInt(PhysRegIndex reg_idx)
+ FloatRegBits readFloatRegBits(PhysRegIndex reg_idx, int width)
{
// Remove the base Float reg dependency.
reg_idx = reg_idx - numPhysicalIntRegs;
assert(reg_idx < numPhysicalFloatRegs + numPhysicalIntRegs);
- DPRINTF(IEW, "RegFile: Access to float register %i as int, has data "
- "%lli\n", int(reg_idx), floatRegFile[reg_idx].q);
+ FloatRegBits floatRegBits = floatRegFile.readRegBits(reg_idx, width);
+
+ DPRINTF(IEW, "RegFile: Access to %d byte float register %i as int, "
+ "has data %lli\n", int(reg_idx), (uint64_t)floatRegBits);
+
+ return floatRegBits;
+ }
+
+ FloatRegBits readFloatRegBits(PhysRegIndex reg_idx)
+ {
+ // Remove the base Float reg dependency.
+ reg_idx = reg_idx - numPhysicalIntRegs;
+
+ assert(reg_idx < numPhysicalFloatRegs + numPhysicalIntRegs);
+
+ FloatRegBits floatRegBits = floatRegFile.readRegBits(reg_idx);
+
+ DPRINTF(IEW, "RegFile: Access to float register %i as int, "
+ "has data %lli\n", int(reg_idx), (uint64_t)floatRegBits);
- return floatRegFile[reg_idx].q;
+ return floatRegBits;
}
void setIntReg(PhysRegIndex reg_idx, uint64_t val)
@@ -138,33 +159,33 @@ class PhysRegFile
intRegFile[reg_idx] = val;
}
- void setFloatRegSingle(PhysRegIndex reg_idx, float val)
+ void setFloatReg(PhysRegIndex reg_idx, FloatReg val, int width)
{
// Remove the base Float reg dependency.
reg_idx = reg_idx - numPhysicalIntRegs;
assert(reg_idx < numPhysicalFloatRegs + numPhysicalIntRegs);
- DPRINTF(IEW, "RegFile: Setting float register %i to %8.8f\n",
- int(reg_idx), val);
+ DPRINTF(IEW, "RegFile: Setting float register %i to %8.8d\n",
+ int(reg_idx), (double)val);
- floatRegFile[reg_idx].d = (double)val;
+ floatRegFile.setReg(reg_idx, val, width);
}
- void setFloatRegDouble(PhysRegIndex reg_idx, double val)
+ void setFloatReg(PhysRegIndex reg_idx, FloatReg val)
{
// Remove the base Float reg dependency.
reg_idx = reg_idx - numPhysicalIntRegs;
assert(reg_idx < numPhysicalFloatRegs + numPhysicalIntRegs);
- DPRINTF(IEW, "RegFile: Setting float register %i to %8.8f\n",
- int(reg_idx), val);
+ DPRINTF(IEW, "RegFile: Setting float register %i to %8.8d\n",
+ int(reg_idx), (double)val);
- floatRegFile[reg_idx].d = val;
+ floatRegFile.setReg(reg_idx, val);
}
- void setFloatRegInt(PhysRegIndex reg_idx, uint64_t val)
+ void setFloatRegBits(PhysRegIndex reg_idx, FloatRegBits val, int width)
{
// Remove the base Float reg dependency.
reg_idx = reg_idx - numPhysicalIntRegs;
@@ -172,9 +193,22 @@ class PhysRegFile
assert(reg_idx < numPhysicalFloatRegs + numPhysicalIntRegs);
DPRINTF(IEW, "RegFile: Setting float register %i to %lli\n",
- int(reg_idx), val);
+ int(reg_idx), (uint64_t)val);
+
+ floatRegFile.setRegBits(reg_idx, val, width);
+ }
+
+ void setFloatRegBits(PhysRegIndex reg_idx, FloatRegBits val)
+ {
+ // Remove the base Float reg dependency.
+ reg_idx = reg_idx - numPhysicalIntRegs;
+
+ assert(reg_idx < numPhysicalFloatRegs + numPhysicalIntRegs);
+
+ DPRINTF(IEW, "RegFile: Setting float register %i to %lli\n",
+ int(reg_idx), (uint64_t)val);
- floatRegFile[reg_idx].q = val;
+ floatRegFile.setRegBits(reg_idx, val);
}
uint64_t readPC()
diff --git a/cpu/op_class.cc b/cpu/op_class.cc
new file mode 100644
index 000000000..00136ded5
--- /dev/null
+++ b/cpu/op_class.cc
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2003-2005 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "cpu/op_class.hh"
+
+/** OpClass enum -> description string */
+const char *
+opClassStrings[Num_OpClasses] =
+{
+ "(null)",
+ "IntAlu",
+ "IntMult",
+ "IntDiv",
+ "FloatAdd",
+ "FloatCmp",
+ "FloatCvt",
+ "FloatMult",
+ "FloatDiv",
+ "FloatSqrt",
+ "MemRead",
+ "MemWrite",
+ "IprAccess",
+ "InstPrefetch"
+};
+
diff --git a/cpu/op_class.hh b/cpu/op_class.hh
new file mode 100644
index 000000000..cdb40a0fb
--- /dev/null
+++ b/cpu/op_class.hh
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2003-2005 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __CPU__OP_CLASS_HH__
+#define __CPU__OP_CLASS_HH__
+
+/**
+ * @file
+ * Definition of operation classes.
+ */
+
+/**
+ * Instruction operation classes. These classes are used for
+ * assigning instructions to functional units.
+ */
+enum OpClass {
+ No_OpClass = 0, ///< Instruction does not use a functional unit
+ IntAluOp, ///< Integer ALU operaton (add/sub/logical)
+ IntMultOp, ///< Integer multiply
+ IntDivOp, ///< Integer divide
+ FloatAddOp, ///< Floating point add/subtract
+ FloatCmpOp, ///< Floating point comparison
+ FloatCvtOp, ///< Floating point<->integer conversion
+ FloatMultOp, ///< Floating point multiply
+ FloatDivOp, ///< Floating point divide
+ FloatSqrtOp, ///< Floating point square root
+ MemReadOp, ///< Memory read port
+ MemWriteOp, ///< Memory write port
+ IprAccessOp, ///< Internal Processor Register read/write port
+ InstPrefetchOp, ///< Instruction prefetch port (on I-cache)
+ Num_OpClasses ///< Total number of operation classes
+};
+
+/**
+ * Array mapping OpClass enum values to strings. Defined in op_class.cc.
+ */
+extern const char *opClassStrings[];
+
+#endif // __CPU__OP_CLASS_HH__
diff --git a/cpu/ozone/cpu.hh b/cpu/ozone/cpu.hh
index f5d84d656..fa849bb09 100644
--- a/cpu/ozone/cpu.hh
+++ b/cpu/ozone/cpu.hh
@@ -406,22 +406,28 @@ class OoOCPU : public BaseCPU
return xc->readIntReg(si->srcRegIdx(idx));
}
- float readFloatRegSingle(StaticInst *si, int idx)
+ FloatReg readFloatReg(StaticInst *si, int idx, width)
{
int reg_idx = si->srcRegIdx(idx) - TheISA::FP_Base_DepTag;
- return xc->readFloatRegSingle(reg_idx);
+ return xc->readFloatReg(reg_idx, width);
}
- double readFloatRegDouble(StaticInst *si, int idx)
+ FloatReg readFloatReg(StaticInst *si, int idx)
{
int reg_idx = si->srcRegIdx(idx) - TheISA::FP_Base_DepTag;
- return xc->readFloatRegDouble(reg_idx);
+ return xc->readFloatReg(reg_idx);
}
- uint64_t readFloatRegInt(StaticInst *si, int idx)
+ FloatRegBits readFloatRegBits(StaticInst *si, int idx, int width)
{
int reg_idx = si->srcRegIdx(idx) - TheISA::FP_Base_DepTag;
- return xc->readFloatRegInt(reg_idx);
+ return xc->readFloatRegBits(reg_idx, width);
+ }
+
+ FloatRegBits readFloatRegBits(StaticInst *si, int idx)
+ {
+ int reg_idx = si->srcRegIdx(idx) - TheISA::FP_Base_DepTag;
+ return xc->readFloatRegBits(reg_idx);
}
void setIntReg(StaticInst *si, int idx, uint64_t val)
@@ -429,22 +435,28 @@ class OoOCPU : public BaseCPU
xc->setIntReg(si->destRegIdx(idx), val);
}
- void setFloatRegSingle(StaticInst *si, int idx, float val)
+ void setFloatReg(StaticInst *si, int idx, FloatReg val, int width)
+ {
+ int reg_idx = si->destRegIdx(idx) - TheISA::FP_Base_DepTag;
+ xc->setFloatReg(reg_idx, val, width);
+ }
+
+ void setFloatReg(StaticInst *si, int idx, FloatReg val)
{
int reg_idx = si->destRegIdx(idx) - TheISA::FP_Base_DepTag;
- xc->setFloatRegSingle(reg_idx, val);
+ xc->setFloatReg(reg_idx, val);
}
- void setFloatRegDouble(StaticInst *si, int idx, double val)
+ void setFloatRegBits(StaticInst *si, int idx, FloatRegBits val, int width)
{
int reg_idx = si->destRegIdx(idx) - TheISA::FP_Base_DepTag;
- xc->setFloatRegDouble(reg_idx, val);
+ xc->setFloatRegBits(reg_idx, val, width);
}
- void setFloatRegInt(StaticInst *si, int idx, uint64_t val)
+ void setFloatRegBits(StaticInst *si, int idx, FloatRegBits val)
{
int reg_idx = si->destRegIdx(idx) - TheISA::FP_Base_DepTag;
- xc->setFloatRegInt(reg_idx, val);
+ xc->setFloatRegBits(reg_idx, val);
}
uint64_t readPC() { return PC; }
diff --git a/cpu/pc_event.hh b/cpu/pc_event.hh
index 7fa3902cc..32b7f3ef5 100644
--- a/cpu/pc_event.hh
+++ b/cpu/pc_event.hh
@@ -31,7 +31,7 @@
#include <vector>
-#include "mem/mem_req.hh"
+#include "base/misc.hh"
class ExecContext;
class PCEventQueue;
@@ -39,9 +39,6 @@ class PCEventQueue;
class PCEvent
{
protected:
- static const Addr badpc = MemReq::inval_addr;
-
- protected:
std::string description;
PCEventQueue *queue;
Addr evpc;
diff --git a/cpu/simple/cpu.cc b/cpu/simple/cpu.cc
index 8db72b77e..33fe63c26 100644
--- a/cpu/simple/cpu.cc
+++ b/cpu/simple/cpu.cc
@@ -35,6 +35,7 @@
#include <sstream>
#include <string>
+#include "arch/utility.hh"
#include "base/cprintf.hh"
#include "base/inifile.hh"
#include "base/loader/symtab.hh"
@@ -53,8 +54,7 @@
#include "cpu/smt.hh"
#include "cpu/static_inst.hh"
#include "kern/kernel_stats.hh"
-#include "mem/base_mem.hh"
-#include "mem/mem_interface.hh"
+#include "mem/packet_impl.hh"
#include "sim/byteswap.hh"
#include "sim/builder.hh"
#include "sim/debug.hh"
@@ -65,20 +65,18 @@
#if FULL_SYSTEM
#include "base/remote_gdb.hh"
-#include "mem/functional/memory_control.hh"
-#include "mem/functional/physical.hh"
+//#include "mem/functional/memory_control.hh"
+//#include "mem/functional/physical.hh"
#include "sim/system.hh"
#include "arch/tlb.hh"
#include "arch/stacktrace.hh"
#include "arch/vtophys.hh"
#else // !FULL_SYSTEM
-#include "mem/functional/functional.hh"
+#include "mem/mem_object.hh"
#endif // FULL_SYSTEM
using namespace std;
-//The SimpleCPU does alpha only
-using namespace AlphaISA;
-
+using namespace TheISA;
SimpleCPU::TickEvent::TickEvent(SimpleCPU *c, int w)
: Event(&mainEventQueue, CPU_Tick_Pri), cpu(c), width(w)
@@ -89,6 +87,15 @@ SimpleCPU::TickEvent::TickEvent(SimpleCPU *c, int w)
void
SimpleCPU::init()
{
+ //Create Memory Ports (conect them up)
+ Port *mem_dport = mem->getPort("");
+ dcachePort.setPeer(mem_dport);
+ mem_dport->setPeer(&dcachePort);
+
+ Port *mem_iport = mem->getPort("");
+ icachePort.setPeer(mem_iport);
+ mem_iport->setPeer(&icachePort);
+
BaseCPU::init();
#if FULL_SYSTEM
for (int i = 0; i < execContexts.size(); ++i) {
@@ -116,43 +123,82 @@ SimpleCPU::TickEvent::description()
}
-SimpleCPU::CacheCompletionEvent::CacheCompletionEvent(SimpleCPU *_cpu)
- : Event(&mainEventQueue), cpu(_cpu)
+bool
+SimpleCPU::CpuPort::recvTiming(Packet &pkt)
{
+ cpu->processResponse(pkt);
+ return true;
}
-void SimpleCPU::CacheCompletionEvent::process()
+Tick
+SimpleCPU::CpuPort::recvAtomic(Packet &pkt)
{
- cpu->processCacheCompletion();
+ panic("CPU doesn't expect callback!");
+ return curTick;
}
-const char *
-SimpleCPU::CacheCompletionEvent::description()
+void
+SimpleCPU::CpuPort::recvFunctional(Packet &pkt)
+{
+ panic("CPU doesn't expect callback!");
+}
+
+void
+SimpleCPU::CpuPort::recvStatusChange(Status status)
{
- return "SimpleCPU cache completion event";
+ cpu->recvStatusChange(status);
+}
+
+Packet *
+SimpleCPU::CpuPort::recvRetry()
+{
+ return cpu->processRetry();
}
SimpleCPU::SimpleCPU(Params *p)
- : BaseCPU(p), tickEvent(this, p->width), cpuXC(NULL),
- cacheCompletionEvent(this)
+ : BaseCPU(p), mem(p->mem), icachePort(this),
+ dcachePort(this), tickEvent(this, p->width), cpuXC(NULL)
{
_status = Idle;
-#if FULL_SYSTEM
- cpuXC = new CPUExecContext(this, 0, p->system, p->itb, p->dtb, p->mem);
+#if FULL_SYSTEM
+ cpuXC = new CPUExecContext(this, 0, p->system, p->itb, p->dtb);
#else
cpuXC = new CPUExecContext(this, /* thread_num */ 0, p->process,
- /* asid */ 0);
+ /* asid */ 0, mem);
#endif // !FULL_SYSTEM
- xcProxy = cpuXC->getProxy();
- icacheInterface = p->icache_interface;
- dcacheInterface = p->dcache_interface;
+ xcProxy = cpuXC->getProxy();
- memReq = new MemReq();
- memReq->xc = xcProxy;
- memReq->asid = 0;
- memReq->data = new uint8_t[64];
+#if SIMPLE_CPU_MEM_ATOMIC || SIMPLE_CPU_MEM_IMMEDIATE
+ ifetch_req = new Request(true);
+ ifetch_req->setAsid(0);
+ // @todo fix me and get the real cpu iD!!!
+ ifetch_req->setCpuNum(0);
+ ifetch_req->setSize(sizeof(MachInst));
+ ifetch_pkt = new Packet;
+ ifetch_pkt->cmd = Read;
+ ifetch_pkt->dataStatic(&inst);
+ ifetch_pkt->req = ifetch_req;
+ ifetch_pkt->size = sizeof(MachInst);
+
+ data_read_req = new Request(true);
+ // @todo fix me and get the real cpu iD!!!
+ data_read_req->setCpuNum(0);
+ data_read_req->setAsid(0);
+ data_read_pkt = new Packet;
+ data_read_pkt->cmd = Read;
+ data_read_pkt->dataStatic(&dataReg);
+ data_read_pkt->req = data_read_req;
+
+ data_write_req = new Request(true);
+ // @todo fix me and get the real cpu iD!!!
+ data_write_req->setCpuNum(0);
+ data_write_req->setAsid(0);
+ data_write_pkt = new Packet;
+ data_write_pkt->cmd = Write;
+ data_write_pkt->req = data_write_req;
+#endif
numInst = 0;
startNumInst = 0;
@@ -172,9 +218,9 @@ void
SimpleCPU::switchOut(Sampler *s)
{
sampler = s;
- if (status() == DcacheMissStall) {
+ if (status() == DcacheWaitResponse) {
DPRINTF(Sampler,"Outstanding dcache access, waiting for completion\n");
- _status = DcacheMissSwitch;
+ _status = DcacheWaitSwitch;
}
else {
_status = SwitchedOut;
@@ -287,6 +333,18 @@ SimpleCPU::regStats()
.prereq(dcacheStallCycles)
;
+ icacheRetryCycles
+ .name(name() + ".icache_retry_cycles")
+ .desc("ICache total retry cycles")
+ .prereq(icacheRetryCycles)
+ ;
+
+ dcacheRetryCycles
+ .name(name() + ".dcache_retry_cycles")
+ .desc("DCache total retry cycles")
+ .prereq(dcacheRetryCycles)
+ ;
+
idleFraction = constant(1.0) - notIdleFraction;
}
@@ -308,7 +366,6 @@ SimpleCPU::serialize(ostream &os)
nameOut(os, csprintf("%s.tickEvent", name()));
tickEvent.serialize(os);
nameOut(os, csprintf("%s.cacheCompletionEvent", name()));
- cacheCompletionEvent.serialize(os);
}
void
@@ -319,8 +376,6 @@ SimpleCPU::unserialize(Checkpoint *cp, const string &section)
UNSERIALIZE_SCALAR(inst);
cpuXC->unserialize(cp, csprintf("%s.xc", section));
tickEvent.unserialize(cp, csprintf("%s.tickEvent", section));
- cacheCompletionEvent
- .unserialize(cp, csprintf("%s.cacheCompletionEvent", section));
}
void
@@ -331,6 +386,7 @@ change_thread_state(int thread_number, int activate, int priority)
Fault
SimpleCPU::copySrcTranslate(Addr src)
{
+#if 0
static bool no_warn = true;
int blk_size = (dcacheInterface) ? dcacheInterface->getBlockSize() : 64;
// Only support block sizes of 64 atm.
@@ -347,8 +403,7 @@ SimpleCPU::copySrcTranslate(Addr src)
memReq->reset(src & ~(blk_size - 1), blk_size);
- // translate to physical address
- Fault fault = cpuXC->translateDataReadReq(memReq);
+ // translate to physical address Fault fault = cpuXC->translateDataReadReq(req);
if (fault == NoFault) {
cpuXC->copySrcAddr = src;
@@ -360,11 +415,15 @@ SimpleCPU::copySrcTranslate(Addr src)
cpuXC->copySrcPhysAddr = 0;
}
return fault;
+#else
+ return NoFault;
+#endif
}
Fault
SimpleCPU::copy(Addr dest)
{
+#if 0
static bool no_warn = true;
int blk_size = (dcacheInterface) ? dcacheInterface->getBlockSize() : 64;
// Only support block sizes of 64 atm.
@@ -383,7 +442,7 @@ SimpleCPU::copy(Addr dest)
memReq->reset(dest & ~(blk_size -1), blk_size);
// translate to physical address
- Fault fault = cpuXC->translateDataWriteReq(memReq);
+ Fault fault = cpuXC->translateDataWriteReq(req);
if (fault == NoFault) {
Addr dest_addr = memReq->paddr + offset;
@@ -407,6 +466,10 @@ SimpleCPU::copy(Addr dest)
assert(!fault->isAlignmentFault());
return fault;
+#else
+ panic("copy not implemented");
+ return NoFault;
+#endif
}
// precise architected memory state accessor macros
@@ -414,22 +477,65 @@ template <class T>
Fault
SimpleCPU::read(Addr addr, T &data, unsigned flags)
{
- if (status() == DcacheMissStall || status() == DcacheMissSwitch) {
- Fault fault = cpuXC->read(memReq,data);
+ if (status() == DcacheWaitResponse || status() == DcacheWaitSwitch) {
+// Fault fault = xc->read(memReq,data);
+ // Not sure what to check for no fault...
+ if (data_read_pkt->result == Success) {
+ data = data_read_pkt->get<T>();
+ }
if (traceData) {
- traceData->setAddr(addr);
+ traceData->setAddr(data_read_req->getVaddr());
}
- return fault;
+
+ // @todo: Figure out a way to create a Fault from the packet result.
+ return NoFault;
}
- memReq->reset(addr, sizeof(T), flags);
+// memReq->reset(addr, sizeof(T), flags);
+
+#if SIMPLE_CPU_MEM_TIMING
+ CpuRequest *data_read_req = new Request(true);
+#endif
+
+ data_read_req->setVaddr(addr);
+ data_read_req->setSize(sizeof(T));
+ data_read_req->setFlags(flags);
+ data_read_req->setTime(curTick);
// translate to physical address
- Fault fault = cpuXC->translateDataReadReq(memReq);
+ Fault fault = cpuXC->translateDataReadReq(data_read_req);
- // if we have a cache, do cache access too
- if (fault == NoFault && dcacheInterface) {
+ // Now do the access.
+ if (fault == NoFault) {
+#if SIMPLE_CPU_MEM_TIMING
+ data_read_pkt = new Packet;
+ data_read_pkt->cmd = Read;
+ data_read_pkt->req = data_read_req;
+ data_read_pkt->data = new uint8_t[8];
+#endif
+ data_read_pkt->reset();
+ data_read_pkt->addr = data_read_req->getPaddr();
+ data_read_pkt->size = sizeof(T);
+
+ sendDcacheRequest(data_read_pkt);
+
+#if SIMPLE_CPU_MEM_IMMEDIATE
+ // Need to find a way to not duplicate code above.
+
+ if (data_read_pkt->result == Success) {
+ data = data_read_pkt->get<T>();
+ }
+
+ if (traceData) {
+ traceData->setAddr(addr);
+ }
+
+ // @todo: Figure out a way to create a Fault from the packet result.
+ return NoFault;
+#endif
+ }
+/*
memReq->cmd = Read;
memReq->completionEvent = NULL;
memReq->time = curTick;
@@ -454,8 +560,9 @@ SimpleCPU::read(Addr addr, T &data, unsigned flags)
fault = cpuXC->read(memReq, data);
}
-
- if (!dcacheInterface && (memReq->flags & UNCACHEABLE))
+*/
+ // This will need a new way to tell if it has a dcache attached.
+ if (data_read_req->getFlags() & UNCACHEABLE)
recordEvent("Uncached Read");
return fault;
@@ -508,11 +615,33 @@ template <class T>
Fault
SimpleCPU::write(T data, Addr addr, unsigned flags, uint64_t *res)
{
- memReq->reset(addr, sizeof(T), flags);
+ data_write_req->setVaddr(addr);
+ data_write_req->setTime(curTick);
+ data_write_req->setSize(sizeof(T));
+ data_write_req->setFlags(flags);
// translate to physical address
- Fault fault = cpuXC->translateDataWriteReq(memReq);
+ Fault fault = cpuXC->translateDataWriteReq(data_write_req);
+ // Now do the access.
+ if (fault == NoFault) {
+#if SIMPLE_CPU_MEM_TIMING
+ data_write_pkt = new Packet;
+ data_write_pkt->cmd = Write;
+ data_write_pkt->req = data_write_req;
+ data_write_pkt->allocate();
+ data_write_pkt->set(data);
+#else
+ data_write_pkt->reset();
+ data = htog(data);
+ data_write_pkt->dataStatic(&data);
+#endif
+ data_write_pkt->addr = data_write_req->getPaddr();
+ data_write_pkt->size = sizeof(T);
+
+ sendDcacheRequest(data_write_pkt);
+ }
+/*
// do functional access
if (fault == NoFault)
fault = cpuXC->write(memReq, data);
@@ -535,13 +664,21 @@ SimpleCPU::write(T data, Addr addr, unsigned flags, uint64_t *res)
_status = DcacheMissStall;
}
}
-
+*/
if (res && (fault == NoFault))
- *res = memReq->result;
+ *res = data_write_pkt->result;
- if (!dcacheInterface && (memReq->flags & UNCACHEABLE))
+ // This will need a new way to tell if it's hooked up to a cache or not.
+ if (data_write_req->getFlags() & UNCACHEABLE)
recordEvent("Uncached Write");
+ // @todo this is a hack and only works on uniprocessor systems some one else
+ // can implement LL/SC.
+ if (data_write_req->getFlags() & LOCKED)
+ *res = 1;
+
+ // If the write needs to have a fault on the access, consider calling
+ // changeStatus() and changing it to "bad addr write" or something.
return fault;
}
@@ -597,36 +734,130 @@ SimpleCPU::dbg_vtophys(Addr addr)
#endif // FULL_SYSTEM
void
-SimpleCPU::processCacheCompletion()
+SimpleCPU::sendIcacheRequest(Packet *pkt)
{
+ assert(!tickEvent.scheduled());
+#if SIMPLE_CPU_MEM_TIMING
+ retry_pkt = pkt;
+ bool success = icachePort.sendTiming(*pkt);
+
+ unscheduleTickEvent();
+
+ lastIcacheStall = curTick;
+
+ if (!success) {
+ // Need to wait for retry
+ _status = IcacheRetry;
+ } else {
+ // Need to wait for cache to respond
+ _status = IcacheWaitResponse;
+ }
+#elif SIMPLE_CPU_MEM_ATOMIC
+ Tick latency = icachePort.sendAtomic(*pkt);
+
+ unscheduleTickEvent();
+ scheduleTickEvent(latency);
+
+ // Note that Icache miss cycles will be incorrect. Unless
+ // we check the status of the packet sent (is this valid?),
+ // we won't know if the latency is a hit or a miss.
+ icacheStallCycles += latency;
+
+ _status = IcacheAccessComplete;
+#elif SIMPLE_CPU_MEM_IMMEDIATE
+ icachePort.sendAtomic(*pkt);
+#else
+#error "SimpleCPU has no mem model set"
+#endif
+}
+
+void
+SimpleCPU::sendDcacheRequest(Packet *pkt)
+{
+ assert(!tickEvent.scheduled());
+#if SIMPLE_CPU_MEM_TIMING
+ unscheduleTickEvent();
+
+ retry_pkt = pkt;
+ bool success = dcachePort.sendTiming(*pkt);
+
+ lastDcacheStall = curTick;
+
+ if (!success) {
+ _status = DcacheRetry;
+ } else {
+ _status = DcacheWaitResponse;
+ }
+#elif SIMPLE_CPU_MEM_ATOMIC
+ unscheduleTickEvent();
+
+ Tick latency = dcachePort.sendAtomic(*pkt);
+
+ scheduleTickEvent(latency);
+
+ // Note that Dcache miss cycles will be incorrect. Unless
+ // we check the status of the packet sent (is this valid?),
+ // we won't know if the latency is a hit or a miss.
+ dcacheStallCycles += latency;
+#elif SIMPLE_CPU_MEM_IMMEDIATE
+ dcachePort.sendAtomic(*pkt);
+#else
+#error "SimpleCPU has no mem model set"
+#endif
+}
+
+void
+SimpleCPU::processResponse(Packet &response)
+{
+ assert(SIMPLE_CPU_MEM_TIMING);
+
+ // For what things is the CPU the consumer of the packet it sent
+ // out? This may create a memory leak if that's the case and it's
+ // expected of the SimpleCPU to delete its own packet.
+ Packet *pkt = &response;
+
switch (status()) {
- case IcacheMissStall:
+ case IcacheWaitResponse:
icacheStallCycles += curTick - lastIcacheStall;
- _status = IcacheMissComplete;
+
+ _status = IcacheAccessComplete;
scheduleTickEvent(1);
+
+ // Copy the icache data into the instruction itself.
+ inst = pkt->get<MachInst>();
+
+ delete pkt;
break;
- case DcacheMissStall:
- if (memReq->cmd.isRead()) {
+ case DcacheWaitResponse:
+ if (pkt->cmd == Read) {
curStaticInst->execute(this,traceData);
if (traceData)
traceData->finalize();
}
+
+ delete pkt;
+
dcacheStallCycles += curTick - lastDcacheStall;
_status = Running;
scheduleTickEvent(1);
break;
- case DcacheMissSwitch:
- if (memReq->cmd.isRead()) {
+ case DcacheWaitSwitch:
+ if (pkt->cmd == Read) {
curStaticInst->execute(this,traceData);
if (traceData)
traceData->finalize();
}
+
+ delete pkt;
+
_status = SwitchedOut;
sampler->signalSwitched();
case SwitchedOut:
// If this CPU has been switched out due to sampling/warm-up,
// ignore any further status changes (e.g., due to cache
// misses outstanding at the time of the switch).
+ delete pkt;
+
return;
default:
panic("SimpleCPU::processCacheCompletion: bad state");
@@ -634,6 +865,28 @@ SimpleCPU::processCacheCompletion()
}
}
+Packet *
+SimpleCPU::processRetry()
+{
+#if SIMPLE_CPU_MEM_TIMING
+ switch(status()) {
+ case IcacheRetry:
+ icacheRetryCycles += curTick - lastIcacheStall;
+ return retry_pkt;
+ break;
+ case DcacheRetry:
+ dcacheRetryCycles += curTick - lastDcacheStall;
+ return retry_pkt;
+ break;
+ default:
+ panic("SimpleCPU::processRetry: bad state");
+ break;
+ }
+#else
+ panic("shouldn't be here");
+#endif
+}
+
#if FULL_SYSTEM
void
SimpleCPU::post_interrupt(int int_num, int index)
@@ -651,6 +904,8 @@ SimpleCPU::post_interrupt(int int_num, int index)
void
SimpleCPU::tick()
{
+ DPRINTF(SimpleCPU,"\n\n");
+
numCycles++;
traceData = NULL;
@@ -659,7 +914,7 @@ SimpleCPU::tick()
#if FULL_SYSTEM
if (checkInterrupts && check_interrupts() && !cpuXC->inPalMode() &&
- status() != IcacheMissComplete) {
+ status() != IcacheAccessComplete) {
int ipl = 0;
int summary = 0;
checkInterrupts = false;
@@ -702,37 +957,57 @@ SimpleCPU::tick()
// maintain $r0 semantics
cpuXC->setIntReg(ZeroReg, 0);
-#ifdef TARGET_ALPHA
- cpuXC->setFloatRegDouble(ZeroReg, 0.0);
-#endif // TARGET_ALPHA
+#if THE_ISA == ALPHA_ISA
+ cpuXC->setFloatReg(ZeroReg, 0.0);
+#endif // ALPHA_ISA
- if (status() == IcacheMissComplete) {
+ if (status() == IcacheAccessComplete) {
// We've already fetched an instruction and were stalled on an
// I-cache miss. No need to fetch it again.
// Set status to running; tick event will get rescheduled if
// necessary at end of tick() function.
_status = Running;
- }
- else {
+ } else {
// Try to fetch an instruction
// set up memory request for instruction fetch
+
+ DPRINTF(Fetch,"Fetch: PC:%08p NPC:%08p NNPC:%08p\n",cpuXC->readPC(),
+ cpuXC->readNextPC(),cpuXC->readNextNPC());
+
+#if SIMPLE_CPU_MEM_TIMING
+ CpuRequest *ifetch_req = new CpuRequest();
+ ifetch_req->setSize(sizeof(MachInst));
+#endif
+
+ ifetch_req->resetMin();
+ ifetch_req->setVaddr(cpuXC->readPC() & ~3);
+ ifetch_req->setTime(curTick);
#if FULL_SYSTEM
-#define IFETCH_FLAGS(pc) ((pc) & 1) ? PHYSICAL : 0
+ ifetch_req->setFlags((cpuXC->readPC() & 1) ? PHYSICAL : 0);
#else
-#define IFETCH_FLAGS(pc) 0
+ ifetch_req->setFlags(0);
#endif
- memReq->cmd = Read;
- memReq->reset(cpuXC->readPC() & ~3, sizeof(uint32_t),
- IFETCH_FLAGS(cpuXC->readPC()));
-
- fault = cpuXC->translateInstReq(memReq);
+ fault = cpuXC->translateInstReq(ifetch_req);
- if (fault == NoFault)
- fault = cpuXC->mem->read(memReq, inst);
+ if (fault == NoFault) {
+#if SIMPLE_CPU_MEM_TIMING
+ Packet *ifetch_pkt = new Packet;
+ ifetch_pkt->cmd = Read;
+ ifetch_pkt->data = (uint8_t *)&inst;
+ ifetch_pkt->req = ifetch_req;
+ ifetch_pkt->size = sizeof(MachInst);
+#endif
+ ifetch_pkt->reset();
+ ifetch_pkt->addr = ifetch_req->getPaddr();
+ sendIcacheRequest(ifetch_pkt);
+#if SIMPLE_CPU_MEM_TIMING || SIMPLE_CPU_MEM_ATOMIC
+ return;
+#endif
+/*
if (icacheInterface && fault == NoFault) {
memReq->completionEvent = NULL;
@@ -743,7 +1018,7 @@ SimpleCPU::tick()
// Ugly hack to get an event scheduled *only* if the access is
// a miss. We really should add first-class support for this
// at some point.
- if (result != MA_HIT && icacheInterface->doEvents()) {
+ if (result != MA_HIT && icacheInterface->doEvents()) {
memReq->completionEvent = &cacheCompletionEvent;
lastIcacheStall = curTick;
unscheduleTickEvent();
@@ -751,6 +1026,8 @@ SimpleCPU::tick()
return;
}
}
+*/
+ }
}
// If we've got a valid instruction (i.e., no fault on instruction
@@ -771,6 +1048,9 @@ SimpleCPU::tick()
traceData = Trace::getInstRecord(curTick, xcProxy, this, curStaticInst,
cpuXC->readPC());
+ DPRINTF(Decode,"Decode: Decoded %s instruction (opcode: 0x%x): 0x%x\n",
+ curStaticInst->getName(),curStaticInst->getOpcode(), curStaticInst->machInst);
+
#if FULL_SYSTEM
cpuXC->setInst(inst);
#endif // FULL_SYSTEM
@@ -806,8 +1086,7 @@ SimpleCPU::tick()
// If we have a dcache miss, then we can't finialize the instruction
// trace yet because we want to populate it with the data later
- if (traceData &&
- !(status() == DcacheMissStall && memReq->cmd.isRead())) {
+ if (traceData && (status() != DcacheWaitResponse)) {
traceData->finalize();
}
@@ -819,11 +1098,11 @@ SimpleCPU::tick()
#if FULL_SYSTEM
fault->invoke(xcProxy);
#else // !FULL_SYSTEM
- fatal("fault (%d) detected @ PC 0x%08p", fault, cpuXC->readPC());
+ fatal("fault (%s) detected @ PC %08p", fault->name(), cpuXC->readPC());
#endif // FULL_SYSTEM
}
else {
-#if THE_ISA != MIPS_ISA
+#if THE_ISA == ALPHA_ISA
// go to the next instruction
cpuXC->setPC(cpuXC->readNextPC());
cpuXC->setNextPC(cpuXC->readNextPC() + sizeof(MachInst));
@@ -846,7 +1125,7 @@ SimpleCPU::tick()
assert(status() == Running ||
status() == Idle ||
- status() == DcacheMissStall);
+ status() == DcacheWaitResponse);
if (status() == Running && !tickEvent.scheduled())
tickEvent.schedule(curTick + cycles(1));
@@ -862,11 +1141,11 @@ BEGIN_DECLARE_SIM_OBJECT_PARAMS(SimpleCPU)
Param<Counter> max_insts_all_threads;
Param<Counter> max_loads_any_thread;
Param<Counter> max_loads_all_threads;
+ SimObjectParam<MemObject *> mem;
#if FULL_SYSTEM
SimObjectParam<AlphaITB *> itb;
SimObjectParam<AlphaDTB *> dtb;
- SimObjectParam<FunctionalMemory *> mem;
SimObjectParam<System *> system;
Param<int> cpu_id;
Param<Tick> profile;
@@ -875,8 +1154,6 @@ BEGIN_DECLARE_SIM_OBJECT_PARAMS(SimpleCPU)
#endif // FULL_SYSTEM
Param<int> clock;
- SimObjectParam<BaseMem *> icache;
- SimObjectParam<BaseMem *> dcache;
Param<bool> defer_registration;
Param<int> width;
@@ -895,11 +1172,11 @@ BEGIN_INIT_SIM_OBJECT_PARAMS(SimpleCPU)
"terminate when any thread reaches this load count"),
INIT_PARAM(max_loads_all_threads,
"terminate when all threads have reached this load count"),
+ INIT_PARAM(mem, "memory"),
#if FULL_SYSTEM
INIT_PARAM(itb, "Instruction TLB"),
INIT_PARAM(dtb, "Data TLB"),
- INIT_PARAM(mem, "memory"),
INIT_PARAM(system, "system object"),
INIT_PARAM(cpu_id, "processor ID"),
INIT_PARAM(profile, ""),
@@ -908,8 +1185,6 @@ BEGIN_INIT_SIM_OBJECT_PARAMS(SimpleCPU)
#endif // FULL_SYSTEM
INIT_PARAM(clock, "clock speed"),
- INIT_PARAM(icache, "L1 instruction cache object"),
- INIT_PARAM(dcache, "L1 data cache object"),
INIT_PARAM(defer_registration, "defer system registration (for sampling)"),
INIT_PARAM(width, "cpu width"),
INIT_PARAM(function_trace, "Enable function trace"),
@@ -931,14 +1206,12 @@ CREATE_SIM_OBJECT(SimpleCPU)
params->clock = clock;
params->functionTrace = function_trace;
params->functionTraceStart = function_trace_start;
- params->icache_interface = (icache) ? icache->getInterface() : NULL;
- params->dcache_interface = (dcache) ? dcache->getInterface() : NULL;
params->width = width;
+ params->mem = mem;
#if FULL_SYSTEM
params->itb = itb;
params->dtb = dtb;
- params->mem = mem;
params->system = system;
params->cpu_id = cpu_id;
params->profile = profile;
diff --git a/cpu/simple/cpu.hh b/cpu/simple/cpu.hh
index 4ab9a1c3e..945de20af 100644
--- a/cpu/simple/cpu.hh
+++ b/cpu/simple/cpu.hh
@@ -36,6 +36,9 @@
#include "cpu/pc_event.hh"
#include "cpu/sampler/sampler.hh"
#include "cpu/static_inst.hh"
+#include "mem/packet.hh"
+#include "mem/port.hh"
+#include "mem/request.hh"
#include "sim/eventq.hh"
// forward declarations
@@ -43,7 +46,7 @@
class Processor;
class AlphaITB;
class AlphaDTB;
-class PhysicalMemory;
+class MemObject;
class RemoteGDB;
class GDBListener;
@@ -55,18 +58,61 @@ class Process;
#endif // FULL_SYSTEM
class ExecContext;
-class MemInterface;
class Checkpoint;
namespace Trace {
class InstRecord;
}
+
+// Set exactly one of these symbols to 1 to set the memory access
+// model. Probably should make these template parameters, or even
+// just fork the CPU models.
+//
+#define SIMPLE_CPU_MEM_TIMING 0
+#define SIMPLE_CPU_MEM_ATOMIC 0
+#define SIMPLE_CPU_MEM_IMMEDIATE 1
+
+
class SimpleCPU : public BaseCPU
{
protected:
typedef TheISA::MachInst MachInst;
typedef TheISA::MiscReg MiscReg;
+ typedef TheISA::FloatReg FloatReg;
+ typedef TheISA::FloatRegBits FloatRegBits;
+ class CpuPort : public Port
+ {
+
+ SimpleCPU *cpu;
+
+ public:
+
+ CpuPort(SimpleCPU *_cpu)
+ : cpu(_cpu)
+ { }
+
+ protected:
+
+ virtual bool recvTiming(Packet &pkt);
+
+ virtual Tick recvAtomic(Packet &pkt);
+
+ virtual void recvFunctional(Packet &pkt);
+
+ virtual void recvStatusChange(Status status);
+
+ virtual Packet *recvRetry();
+
+ virtual void getDeviceAddressRanges(AddrRangeList &resp,
+ AddrRangeList &snoop)
+ { resp.clear(); snoop.clear(); }
+ };
+
+ MemObject *mem;
+ CpuPort icachePort;
+ CpuPort dcachePort;
+
public:
// main simulation loop (one cycle)
void tick();
@@ -109,10 +155,12 @@ class SimpleCPU : public BaseCPU
enum Status {
Running,
Idle,
- IcacheMissStall,
- IcacheMissComplete,
- DcacheMissStall,
- DcacheMissSwitch,
+ IcacheRetry,
+ IcacheWaitResponse,
+ IcacheAccessComplete,
+ DcacheRetry,
+ DcacheWaitResponse,
+ DcacheWaitSwitch,
SwitchedOut
};
@@ -133,13 +181,11 @@ class SimpleCPU : public BaseCPU
public:
struct Params : public BaseCPU::Params
{
- MemInterface *icache_interface;
- MemInterface *dcache_interface;
int width;
+ MemObject *mem;
#if FULL_SYSTEM
AlphaITB *itb;
AlphaDTB *dtb;
- FunctionalMemory *mem;
#else
Process *process;
#endif
@@ -162,17 +208,22 @@ class SimpleCPU : public BaseCPU
bool interval_stats;
#endif
- // L1 instruction cache
- MemInterface *icacheInterface;
-
- // L1 data cache
- MemInterface *dcacheInterface;
-
// current instruction
MachInst inst;
- // Refcounted pointer to the one memory request.
- MemReqPtr memReq;
+ // Static data storage
+ TheISA::IntReg dataReg;
+
+#if SIMPLE_CPU_MEM_TIMING
+ Packet *retry_pkt;
+#elif SIMPLE_CPU_MEM_ATOMIC || SIMPLE_CPU_MEM_IMMEDIATE
+ Request *ifetch_req;
+ Packet *ifetch_pkt;
+ Request *data_read_req;
+ Packet *data_read_pkt;
+ Request *data_write_req;
+ Packet *data_write_pkt;
+#endif
// Pointer to the sampler that is telling us to switchover.
// Used to signal the completion of the pipe drain and schedule
@@ -181,20 +232,6 @@ class SimpleCPU : public BaseCPU
StaticInstPtr curStaticInst;
- class CacheCompletionEvent : public Event
- {
- private:
- SimpleCPU *cpu;
-
- public:
- CacheCompletionEvent(SimpleCPU *_cpu);
-
- virtual void process();
- virtual const char *description();
- };
-
- CacheCompletionEvent cacheCompletionEvent;
-
Status status() const { return _status; }
virtual void activateContext(int thread_num, int delay);
@@ -227,15 +264,28 @@ class SimpleCPU : public BaseCPU
Stats::Average<> notIdleFraction;
Stats::Formula idleFraction;
- // number of cycles stalled for I-cache misses
+ // number of cycles stalled for I-cache responses
Stats::Scalar<> icacheStallCycles;
Counter lastIcacheStall;
- // number of cycles stalled for D-cache misses
+ // number of cycles stalled for I-cache retries
+ Stats::Scalar<> icacheRetryCycles;
+ Counter lastIcacheRetry;
+
+ // number of cycles stalled for D-cache responses
Stats::Scalar<> dcacheStallCycles;
Counter lastDcacheStall;
- void processCacheCompletion();
+ // number of cycles stalled for D-cache retries
+ Stats::Scalar<> dcacheRetryCycles;
+ Counter lastDcacheRetry;
+
+ void sendIcacheRequest(Packet *pkt);
+ void sendDcacheRequest(Packet *pkt);
+ void processResponse(Packet &response);
+
+ Packet * processRetry();
+ void recvStatusChange(Port::Status status) {}
virtual void serialize(std::ostream &os);
virtual void unserialize(Checkpoint *cp, const std::string &section);
@@ -281,22 +331,28 @@ class SimpleCPU : public BaseCPU
return cpuXC->readIntReg(si->srcRegIdx(idx));
}
- float readFloatRegSingle(const StaticInst *si, int idx)
+ FloatReg readFloatReg(const StaticInst *si, int idx, int width)
+ {
+ int reg_idx = si->srcRegIdx(idx) - TheISA::FP_Base_DepTag;
+ return cpuXC->readFloatReg(reg_idx, width);
+ }
+
+ FloatReg readFloatReg(const StaticInst *si, int idx)
{
int reg_idx = si->srcRegIdx(idx) - TheISA::FP_Base_DepTag;
- return cpuXC->readFloatRegSingle(reg_idx);
+ return cpuXC->readFloatReg(reg_idx);
}
- double readFloatRegDouble(const StaticInst *si, int idx)
+ FloatRegBits readFloatRegBits(const StaticInst *si, int idx, int width)
{
int reg_idx = si->srcRegIdx(idx) - TheISA::FP_Base_DepTag;
- return cpuXC->readFloatRegDouble(reg_idx);
+ return cpuXC->readFloatRegBits(reg_idx, width);
}
- uint64_t readFloatRegInt(const StaticInst *si, int idx)
+ FloatRegBits readFloatRegBits(const StaticInst *si, int idx)
{
int reg_idx = si->srcRegIdx(idx) - TheISA::FP_Base_DepTag;
- return cpuXC->readFloatRegInt(reg_idx);
+ return cpuXC->readFloatRegBits(reg_idx);
}
void setIntReg(const StaticInst *si, int idx, uint64_t val)
@@ -304,26 +360,38 @@ class SimpleCPU : public BaseCPU
cpuXC->setIntReg(si->destRegIdx(idx), val);
}
- void setFloatRegSingle(const StaticInst *si, int idx, float val)
+ void setFloatReg(const StaticInst *si, int idx, FloatReg val, int width)
{
int reg_idx = si->destRegIdx(idx) - TheISA::FP_Base_DepTag;
- cpuXC->setFloatRegSingle(reg_idx, val);
+ cpuXC->setFloatReg(reg_idx, val, width);
}
- void setFloatRegDouble(const StaticInst *si, int idx, double val)
+ void setFloatReg(const StaticInst *si, int idx, FloatReg val)
{
int reg_idx = si->destRegIdx(idx) - TheISA::FP_Base_DepTag;
- cpuXC->setFloatRegDouble(reg_idx, val);
+ cpuXC->setFloatReg(reg_idx, val);
}
- void setFloatRegInt(const StaticInst *si, int idx, uint64_t val)
+ void setFloatRegBits(const StaticInst *si, int idx,
+ FloatRegBits val, int width)
{
int reg_idx = si->destRegIdx(idx) - TheISA::FP_Base_DepTag;
- cpuXC->setFloatRegInt(reg_idx, val);
+ cpuXC->setFloatRegBits(reg_idx, val, width);
+ }
+
+ void setFloatRegBits(const StaticInst *si, int idx, FloatRegBits val)
+ {
+ int reg_idx = si->destRegIdx(idx) - TheISA::FP_Base_DepTag;
+ cpuXC->setFloatRegBits(reg_idx, val);
}
uint64_t readPC() { return cpuXC->readPC(); }
+ uint64_t readNextPC() { return cpuXC->readNextPC(); }
+ uint64_t readNextNPC() { return cpuXC->readNextNPC(); }
+
+ void setPC(uint64_t val) { cpuXC->setPC(val); }
void setNextPC(uint64_t val) { cpuXC->setNextPC(val); }
+ void setNextNPC(uint64_t val) { cpuXC->setNextNPC(val); }
MiscReg readMiscReg(int misc_reg)
{
@@ -353,7 +421,7 @@ class SimpleCPU : public BaseCPU
void ev5_trap(Fault fault) { fault->invoke(xcProxy); }
bool simPalCheck(int palFunc) { return cpuXC->simPalCheck(palFunc); }
#else
- void syscall() { cpuXC->syscall(); }
+ void syscall(int64_t callnum) { cpuXC->syscall(callnum); }
#endif
bool misspeculating() { return cpuXC->misspeculating(); }
diff --git a/cpu/static_inst.hh b/cpu/static_inst.hh
index 20116554e..f0b75c10e 100644
--- a/cpu/static_inst.hh
+++ b/cpu/static_inst.hh
@@ -33,8 +33,9 @@
#include <string>
#include "base/hashmap.hh"
+#include "base/misc.hh"
#include "base/refcnt.hh"
-#include "encumbered/cpu/full/op_class.hh"
+#include "cpu/op_class.hh"
#include "sim/host.hh"
#include "arch/isa_traits.hh"
@@ -390,6 +391,18 @@ class StaticInst : public StaticInstBase
/// @retval A pointer to the corresponding StaticInst object.
//This is defined as inline below.
static StaticInstPtr decode(ExtMachInst mach_inst);
+
+ //MIPS Decoder Debug Functions
+ int getOpcode() { return (machInst & 0xFC000000) >> 26 ; }//31..26
+ int getRs() { return (machInst & 0x03E00000) >> 21; } //25...21
+ int getRt() { return (machInst & 0x001F0000) >> 16; } //20...16
+ int getRd() { return (machInst & 0x0000F800) >> 11; } //15...11
+ int getImm() { return (machInst & 0x0000FFFF); } //15...0
+ int getFunction(){ return (machInst & 0x0000003F); }//5...0
+ int getBranch(){ return (machInst & 0x0000FFFF); }//15...0
+ int getJump(){ return (machInst & 0x03FFFFFF); }//5...0
+ int getHint(){ return (machInst & 0x000007C0) >> 6; } //10...6
+ std::string getName() { return mnemonic; }
};
typedef RefCountingPtr<StaticInstBase> StaticInstBasePtr;
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-21 15:16:06 +0000