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; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Gabe Black 29 */ 30 31#ifndef __ARCH_SPARC_UTILITY_HH__ 32#define __ARCH_SPARC_UTILITY_HH__ 33 34#include "arch/sparc/faults.hh" 35#include "arch/sparc/isa_traits.hh"
| 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; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Gabe Black 29 */ 30 31#ifndef __ARCH_SPARC_UTILITY_HH__ 32#define __ARCH_SPARC_UTILITY_HH__ 33 34#include "arch/sparc/faults.hh" 35#include "arch/sparc/isa_traits.hh"
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36#include "arch/sparc/tlb.hh" 37#include "base/misc.hh" 38#include "base/bitfield.hh" 39#include "cpu/thread_context.hh" 40 41namespace SparcISA 42{ 43 44 45 uint64_t getArgument(ThreadContext *tc, int number, bool fp); 46 47 static inline bool 48 inUserMode(ThreadContext *tc) 49 { 50 return !((tc->readMiscRegNoEffect(MISCREG_PSTATE) & (1 << 2)) || 51 (tc->readMiscRegNoEffect(MISCREG_HPSTATE) & (1 << 2))); 52 } 53 54 inline bool isCallerSaveIntegerRegister(unsigned int reg) { 55 panic("register classification not implemented"); 56 return false; 57 } 58 59 inline bool isCalleeSaveIntegerRegister(unsigned int reg) { 60 panic("register classification not implemented"); 61 return false; 62 } 63 64 inline bool isCallerSaveFloatRegister(unsigned int reg) { 65 panic("register classification not implemented"); 66 return false; 67 } 68 69 inline bool isCalleeSaveFloatRegister(unsigned int reg) { 70 panic("register classification not implemented"); 71 return false; 72 } 73 74 // Instruction address compression hooks 75 inline Addr realPCToFetchPC(const Addr &addr) 76 { 77 return addr; 78 } 79 80 inline Addr fetchPCToRealPC(const Addr &addr) 81 { 82 return addr; 83 } 84 85 // the size of "fetched" instructions (not necessarily the size 86 // of real instructions for PISA) 87 inline size_t fetchInstSize() 88 { 89 return sizeof(MachInst); 90 } 91 92 /** 93 * Function to insure ISA semantics about 0 registers. 94 * @param tc The thread context. 95 */ 96 template <class TC> 97 void zeroRegisters(TC *tc); 98 99 inline void initCPU(ThreadContext *tc, int cpuId) 100 { 101 static Fault por = new PowerOnReset(); 102 if (cpuId == 0) 103 por->invoke(tc); 104 105 } 106 107 inline void startupCPU(ThreadContext *tc, int cpuId) 108 { 109#if FULL_SYSTEM 110 // Other CPUs will get activated by IPIs 111 if (cpuId == 0) 112 tc->activate(0); 113#else 114 tc->activate(0); 115#endif 116 } 117 118} // namespace SparcISA 119 120#endif
| 37#include "arch/sparc/tlb.hh" 38#include "base/misc.hh" 39#include "base/bitfield.hh" 40#include "cpu/thread_context.hh" 41 42namespace SparcISA 43{ 44 45 46 uint64_t getArgument(ThreadContext *tc, int number, bool fp); 47 48 static inline bool 49 inUserMode(ThreadContext *tc) 50 { 51 return !((tc->readMiscRegNoEffect(MISCREG_PSTATE) & (1 << 2)) || 52 (tc->readMiscRegNoEffect(MISCREG_HPSTATE) & (1 << 2))); 53 } 54 55 inline bool isCallerSaveIntegerRegister(unsigned int reg) { 56 panic("register classification not implemented"); 57 return false; 58 } 59 60 inline bool isCalleeSaveIntegerRegister(unsigned int reg) { 61 panic("register classification not implemented"); 62 return false; 63 } 64 65 inline bool isCallerSaveFloatRegister(unsigned int reg) { 66 panic("register classification not implemented"); 67 return false; 68 } 69 70 inline bool isCalleeSaveFloatRegister(unsigned int reg) { 71 panic("register classification not implemented"); 72 return false; 73 } 74 75 // Instruction address compression hooks 76 inline Addr realPCToFetchPC(const Addr &addr) 77 { 78 return addr; 79 } 80 81 inline Addr fetchPCToRealPC(const Addr &addr) 82 { 83 return addr; 84 } 85 86 // the size of "fetched" instructions (not necessarily the size 87 // of real instructions for PISA) 88 inline size_t fetchInstSize() 89 { 90 return sizeof(MachInst); 91 } 92 93 /** 94 * Function to insure ISA semantics about 0 registers. 95 * @param tc The thread context. 96 */ 97 template <class TC> 98 void zeroRegisters(TC *tc); 99 100 inline void initCPU(ThreadContext *tc, int cpuId) 101 { 102 static Fault por = new PowerOnReset(); 103 if (cpuId == 0) 104 por->invoke(tc); 105 106 } 107 108 inline void startupCPU(ThreadContext *tc, int cpuId) 109 { 110#if FULL_SYSTEM 111 // Other CPUs will get activated by IPIs 112 if (cpuId == 0) 113 tc->activate(0); 114#else 115 tc->activate(0); 116#endif 117 } 118 119} // namespace SparcISA 120 121#endif
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