diff options
Diffstat (limited to 'src/arch/sparc/insts')
| -rw-r--r-- | src/arch/sparc/insts/SConscript | 2 | ||||
| -rw-r--r-- | src/arch/sparc/insts/branch.cc | 100 | ||||
| -rw-r--r-- | src/arch/sparc/insts/branch.hh | 123 | ||||
| -rw-r--r-- | src/arch/sparc/insts/trap.cc | 51 | ||||
| -rw-r--r-- | src/arch/sparc/insts/trap.hh | 79 |
5 files changed, 355 insertions, 0 deletions
diff --git a/src/arch/sparc/insts/SConscript b/src/arch/sparc/insts/SConscript index 1e2797351..24b74858e 100644 --- a/src/arch/sparc/insts/SConscript +++ b/src/arch/sparc/insts/SConscript @@ -32,5 +32,7 @@ Import('*') if env['TARGET_ISA'] == 'sparc': + Source('branch.cc') Source('priv.cc') Source('static_inst.cc') + Source('trap.cc') diff --git a/src/arch/sparc/insts/branch.cc b/src/arch/sparc/insts/branch.cc new file mode 100644 index 000000000..a49fd8c5c --- /dev/null +++ b/src/arch/sparc/insts/branch.cc @@ -0,0 +1,100 @@ +/* + * Copyright (c) 2006-2007 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Gabe Black + * Steve Reinhardt + */ + +#include "arch/sparc/insts/branch.hh" + +//////////////////////////////////////////////////////////////////// +// +// Branch instructions +// + +namespace SparcISA +{ + +template class BranchNBits<19>; +template class BranchNBits<22>; +template class BranchNBits<30>; + +std::string +Branch::generateDisassembly(Addr pc, const SymbolTable *symtab) const +{ + std::stringstream response; + + printMnemonic(response, mnemonic); + printRegArray(response, _srcRegIdx, _numSrcRegs); + if (_numDestRegs && _numSrcRegs) + response << ", "; + printDestReg(response, 0); + + return response.str(); +} + +std::string +BranchImm13::generateDisassembly(Addr pc, const SymbolTable *symtab) const +{ + std::stringstream response; + + printMnemonic(response, mnemonic); + printRegArray(response, _srcRegIdx, _numSrcRegs); + if (_numSrcRegs > 0) + response << ", "; + ccprintf(response, "0x%x", imm); + if (_numDestRegs > 0) + response << ", "; + printDestReg(response, 0); + + return response.str(); +} + +std::string +BranchDisp::generateDisassembly(Addr pc, const SymbolTable *symtab) const +{ + std::stringstream response; + std::string symbol; + Addr symbol_addr; + + Addr target = disp + pc; + + printMnemonic(response, mnemonic); + ccprintf(response, "0x%x", target); + + if (symtab && symtab->findNearestSymbol(target, symbol, symbol_addr)) { + ccprintf(response, " <%s", symbol); + if (symbol_addr != target) + ccprintf(response, "+%d>", target - symbol_addr); + else + ccprintf(response, ">"); + } + + return response.str(); +} + +} diff --git a/src/arch/sparc/insts/branch.hh b/src/arch/sparc/insts/branch.hh new file mode 100644 index 000000000..544b049d3 --- /dev/null +++ b/src/arch/sparc/insts/branch.hh @@ -0,0 +1,123 @@ +/* + * Copyright (c) 2006-2007 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Gabe Black + * Steve Reinhardt + */ + +#ifndef __ARCH_SPARC_INSTS_BRANCH_HH__ +#define __ARCH_SPARC_INSTS_BRANCH_HH__ + +#include "arch/sparc/insts/static_inst.hh" + +//////////////////////////////////////////////////////////////////// +// +// Branch instructions +// + +namespace SparcISA +{ + +/** + * Base class for branch operations. + */ +class Branch : public SparcStaticInst +{ + protected: + using SparcStaticInst::SparcStaticInst; + + std::string generateDisassembly( + Addr pc, const SymbolTable *symtab) const override; +}; + +/** + * Base class for branch operations with an immediate displacement. + */ +class BranchDisp : public Branch +{ + protected: + BranchDisp(const char *mnem, ExtMachInst _machInst, OpClass __opClass, + int32_t _disp) : + Branch(mnem, _machInst, __opClass), disp(_disp) + {} + + std::string generateDisassembly( + Addr pc, const SymbolTable *symtab) const override; + + int32_t disp; +}; + +/** + * Base class for branches with n bit displacements. + */ +template<int bits> +class BranchNBits : public BranchDisp +{ + protected: + // Constructor + BranchNBits(const char *mnem, ExtMachInst _machInst, OpClass __opClass) : + BranchDisp(mnem, _machInst, __opClass, + sext<bits + 2>((_machInst & mask(bits)) << 2)) + {} +}; + +/** + * Base class for 16bit split displacements. + */ +class BranchSplit : public BranchDisp +{ + protected: + // Constructor + BranchSplit(const char *mnem, ExtMachInst _machInst, OpClass __opClass) : + BranchDisp(mnem, _machInst, __opClass, + sext<18>((bits(_machInst, 21, 20) << 16) | + (bits(_machInst, 13, 0) << 2))) + {} +}; + +/** + * Base class for branches that use an immediate and a register to + * compute their displacements. + */ +class BranchImm13 : public Branch +{ + protected: + // Constructor + BranchImm13(const char *mnem, ExtMachInst _machInst, OpClass __opClass) : + Branch(mnem, _machInst, __opClass), + imm(sext<13>(bits(_machInst, 12, 0))) + {} + + std::string generateDisassembly( + Addr pc, const SymbolTable *symtab) const override; + + int32_t imm; +}; + +} + +#endif // __ARCH_SPARC_INSTS_BRANCH_HH__ diff --git a/src/arch/sparc/insts/trap.cc b/src/arch/sparc/insts/trap.cc new file mode 100644 index 000000000..e75d153b9 --- /dev/null +++ b/src/arch/sparc/insts/trap.cc @@ -0,0 +1,51 @@ +/* + * Copyright (c) 2006-2007 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Gabe Black + * Steve Reinhardt + */ + +#include "arch/sparc/insts/trap.hh" + +namespace SparcISA +{ + +std::string +Trap::generateDisassembly(Addr pc, const SymbolTable *symtab) const +{ + std::stringstream response; + + printMnemonic(response, mnemonic); + ccprintf(response, " "); + printReg(response, _srcRegIdx[0]); + ccprintf(response, ", 0x%x", trapNum); + ccprintf(response, ", or "); + printReg(response, _srcRegIdx[1]); + return response.str(); +} + +} diff --git a/src/arch/sparc/insts/trap.hh b/src/arch/sparc/insts/trap.hh new file mode 100644 index 000000000..939647a96 --- /dev/null +++ b/src/arch/sparc/insts/trap.hh @@ -0,0 +1,79 @@ +/* + * Copyright (c) 2006-2007 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Gabe Black + * Steve Reinhardt + */ + +//////////////////////////////////////////////////////////////////// +// +// Trap instructions +// + +#ifndef __ARCH_SPARC_INSTS_TRAP_HH__ +#define __ARCH_SPARC_INSTS_TRAP_HH__ + +#include "arch/sparc/insts/static_inst.hh" + +namespace SparcISA +{ + +/** + * Base class for trap instructions, + * or instructions that always fault. + */ +class Trap : public SparcStaticInst +{ + protected: + + // Constructor + Trap(const char *mnem, ExtMachInst _machInst, OpClass __opClass) : + SparcStaticInst(mnem, _machInst, __opClass), + trapNum(bits(_machInst, 7, 0)) + {} + + std::string generateDisassembly( + Addr pc, const SymbolTable *symtab) const override; + + int trapNum; +}; + +class FpUnimpl : public SparcStaticInst +{ + protected: + using SparcStaticInst::SparcStaticInst; + + std::string + generateDisassembly(Addr pc, const SymbolTable *symtab) const override + { + return mnemonic; + } +}; + +} + +#endif // __ARCH_SPARC_INSTS_TRAP_HH__ |