1/* 2 * Copyright (c) 2003-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 28 unchanged lines hidden (view full) --- 37#endif 38 39namespace AlphaISA { 40 41uint64_t 42getArgument(ThreadContext *tc, int number, bool fp) 43{ 44#if FULL_SYSTEM |
45 const int NumArgumentRegs = 6; |
46 if (number < NumArgumentRegs) { 47 if (fp) |
48 return tc->readFloatRegBits(16 + number); |
49 else |
50 return tc->readIntReg(16 + number); |
51 } else { 52 Addr sp = tc->readIntReg(StackPointerReg); 53 VirtualPort *vp = tc->getVirtPort(); 54 uint64_t arg = vp->read<uint64_t>(sp + 55 (number-NumArgumentRegs) * sizeof(uint64_t)); 56 return arg; 57 } 58#else 59 panic("getArgument() is Full system only\n"); 60 M5_DUMMY_RETURN; 61#endif 62} 63 64} // namespace AlphaISA 65 |