utility.hh (4240:cde9d7751cce) utility.hh (4661:44458219add1)
1/*
2 * Copyright (c) 2003-2005 The Regents of The University of Michigan
3 * Copyright (c) 2007 MIPS Technologies, Inc.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright

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30 * Steve Reinhardt
31 * Korey Sewell
32 */
33
34#ifndef __ARCH_MIPS_UTILITY_HH__
35#define __ARCH_MIPS_UTILITY_HH__
36
37#include "arch/mips/types.hh"
1/*
2 * Copyright (c) 2003-2005 The Regents of The University of Michigan
3 * Copyright (c) 2007 MIPS Technologies, Inc.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright

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30 * Steve Reinhardt
31 * Korey Sewell
32 */
33
34#ifndef __ARCH_MIPS_UTILITY_HH__
35#define __ARCH_MIPS_UTILITY_HH__
36
37#include "arch/mips/types.hh"
38#include "arch/mips/isa_traits.hh"
38#include "base/misc.hh"
39#include "config/full_system.hh"
39#include "base/misc.hh"
40#include "config/full_system.hh"
40#include "cpu/thread_context.hh"
41//XXX This is needed for size_t. We should use something other than size_t
42//#include "kern/linux/linux.hh"
43#include "sim/host.hh"
44
41//XXX This is needed for size_t. We should use something other than size_t
42//#include "kern/linux/linux.hh"
43#include "sim/host.hh"
44
45#include "cpu/thread_context.hh"
46
45class ThreadContext;
46
47namespace MipsISA {
48
49 //Floating Point Utility Functions
50 uint64_t fpConvert(ConvertType cvt_type, double fp_val);
51 double roundFP(double val, int digits);
52 double truncFP(double val);

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61
62 /**
63 * Function to insure ISA semantics about 0 registers.
64 * @param tc The thread context.
65 */
66 template <class TC>
67 void zeroRegisters(TC *tc);
68
47class ThreadContext;
48
49namespace MipsISA {
50
51 //Floating Point Utility Functions
52 uint64_t fpConvert(ConvertType cvt_type, double fp_val);
53 double roundFP(double val, int digits);
54 double truncFP(double val);

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63
64 /**
65 * Function to insure ISA semantics about 0 registers.
66 * @param tc The thread context.
67 */
68 template <class TC>
69 void zeroRegisters(TC *tc);
70
71 void startupCPU(ThreadContext *tc, int cpuId);
72
69 void copyRegs(ThreadContext *src, ThreadContext *dest);
70
71 // Instruction address compression hooks
72 static inline Addr realPCToFetchPC(const Addr &addr) {
73 return addr;
74 }
75
76 static inline Addr fetchPCToRealPC(const Addr &addr) {

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83 return sizeof(MachInst);
84 }
85
86 static inline MachInst makeRegisterCopy(int dest, int src) {
87 panic("makeRegisterCopy not implemented");
88 return 0;
89 }
90
73 void copyRegs(ThreadContext *src, ThreadContext *dest);
74
75 // Instruction address compression hooks
76 static inline Addr realPCToFetchPC(const Addr &addr) {
77 return addr;
78 }
79
80 static inline Addr fetchPCToRealPC(const Addr &addr) {

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87 return sizeof(MachInst);
88 }
89
90 static inline MachInst makeRegisterCopy(int dest, int src) {
91 panic("makeRegisterCopy not implemented");
92 return 0;
93 }
94
91 inline void startupCPU(ThreadContext *tc, int cpuId)
92 {
93 tc->activate(0);
95 static inline ExtMachInst
96 makeExtMI(MachInst inst, ThreadContext * xc) {
97#if FULL_SYSTEM
98 ExtMachInst ext_inst = inst;
99 if (xc->readPC() && 0x1)
100 return ext_inst|=(static_cast<ExtMachInst>(xc->readPC() & 0x1) << 32);
101 else
102 return ext_inst;
103#else
104 return ExtMachInst(inst);
105#endif
94 }
95};
96
97
98#endif
106 }
107};
108
109
110#endif