utility.cc (5499:8bfc7650c344) utility.cc (5958:2d9737bf3c2f)
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;

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41//The caller uses %o0-%05 for the first 6 arguments even if their floating
42//point. Double precision floating point values take two registers/args.
43//Quads, structs, and unions are passed as pointers. All arguments beyond
44//the sixth are passed on the stack past the 16 word window save area,
45//space for the struct/union return pointer, and space reserved for the
46//first 6 arguments which the caller may use but doesn't have to.
47uint64_t getArgument(ThreadContext *tc, int number, bool fp) {
48#if FULL_SYSTEM
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;

--- 32 unchanged lines hidden (view full) ---

41//The caller uses %o0-%05 for the first 6 arguments even if their floating
42//point. Double precision floating point values take two registers/args.
43//Quads, structs, and unions are passed as pointers. All arguments beyond
44//the sixth are passed on the stack past the 16 word window save area,
45//space for the struct/union return pointer, and space reserved for the
46//first 6 arguments which the caller may use but doesn't have to.
47uint64_t getArgument(ThreadContext *tc, int number, bool fp) {
48#if FULL_SYSTEM
49 const int NumArgumentRegs = 6;
49 if (number < NumArgumentRegs) {
50 if (number < NumArgumentRegs) {
50 return tc->readIntReg(ArgumentReg[number]);
51 return tc->readIntReg(8 + number);
51 } else {
52 Addr sp = tc->readIntReg(StackPointerReg);
53 VirtualPort *vp = tc->getVirtPort();
54 uint64_t arg = vp->read<uint64_t>(sp + 92 +
55 (number-NumArgumentRegs) * sizeof(uint64_t));
56 return arg;
57 }
58#else
59 panic("getArgument() only implemented for FULL_SYSTEM\n");
60 M5_DUMMY_RETURN
61#endif
62}
63} //namespace SPARC_ISA
52 } else {
53 Addr sp = tc->readIntReg(StackPointerReg);
54 VirtualPort *vp = tc->getVirtPort();
55 uint64_t arg = vp->read<uint64_t>(sp + 92 +
56 (number-NumArgumentRegs) * sizeof(uint64_t));
57 return arg;
58 }
59#else
60 panic("getArgument() only implemented for FULL_SYSTEM\n");
61 M5_DUMMY_RETURN
62#endif
63}
64} //namespace SPARC_ISA