Processes: Make getting and setting system call arguments part of a process object.

src/cpu/inorder/cpu.cc

@@ -1281,32 +1281,6 @@ InOrderCPU::syscall(int64_t callnum, int tid)
     nonSpecInstActive[tid] = false;
 }
 
-IntReg
-InOrderCPU::getSyscallArg(int idx, int tid)
-{
-    return readIntReg(ArgumentReg0 + idx, tid);
-}
-
-void
-InOrderCPU::setSyscallArg(int idx, IntReg val, int tid)
-{
-    setIntReg(ArgumentReg0 + idx, val, tid);
-}
-
-void
-InOrderCPU::setSyscallReturn(SyscallReturn return_value, int tid)
-{
-    if (return_value.successful()) {
-        // no error
-        setIntReg(SyscallSuccessReg, 0, tid);
-        setIntReg(ReturnValueReg, return_value.value(), tid);
-    } else {
-        // got an error, return details
-        setIntReg(SyscallSuccessReg, (IntReg) -1, tid);
-        setIntReg(ReturnValueReg, -return_value.value(), tid);
-    }
-}
-
 Fault
 InOrderCPU::read(DynInstPtr inst)
 {

src/cpu/inorder/cpu.hh

@@ -511,15 +511,6 @@ class InOrderCPU : public BaseCPU
     /** Executes a syscall.*/
     void syscall(int64_t callnum, int tid);
 
-    /** Gets a syscall argument. */
-    IntReg getSyscallArg(int i, int tid);
-
-    /** Used to shift args for indirect syscall. */
-    void setSyscallArg(int i, IntReg val, int tid);
-
-    /** Sets the return value of a syscall. */
-    void setSyscallReturn(SyscallReturn return_value, int tid);
-
   public:
     /** Per-Thread List of all the instructions in flight. */
     std::list<DynInstPtr> instList[ThePipeline::MaxThreads];

src/cpu/inorder/thread_context.cc

@@ -262,21 +262,3 @@ InOrderThreadContext::setMiscReg(int misc_reg, const MiscReg &val)
 {
     cpu->setMiscReg(misc_reg, val, thread->readTid());
 }
-
-TheISA::IntReg
-InOrderThreadContext::getSyscallArg(int i)
-{
-    return cpu->getSyscallArg(i, thread->readTid());
-}
-
-void
-InOrderThreadContext::setSyscallArg(int i, IntReg val)
-{
-    cpu->setSyscallArg(i, val, thread->readTid());
-}
-
-void
-InOrderThreadContext::setSyscallReturn(SyscallReturn return_value)
-{
-    cpu->setSyscallReturn(return_value, thread->readTid());
-}

src/cpu/inorder/thread_context.hh

@@ -236,15 +236,6 @@ class InOrderThreadContext : public ThreadContext
      * misspeculating, this is set as false. */
     virtual bool misspeculating() { return false; }
 
-    /** Gets a syscall argument by index. */
-    virtual IntReg getSyscallArg(int i);
-
-    /** Sets a syscall argument. */
-    virtual void setSyscallArg(int i, IntReg val);
-
-    /** Sets the syscall return value. */
-    virtual void setSyscallReturn(SyscallReturn return_value);
-
     /** Executes a syscall in SE mode. */
     virtual void syscall(int64_t callnum)
     { return cpu->syscall(callnum, thread->readTid()); }