From 81fdced83f21db2fc1da1541365166fbd5918027 Mon Sep 17 00:00:00 2001 From: Gabe Black Date: Wed, 2 Jun 2010 12:58:01 -0500 Subject: [PATCH] ARM: Define the load instructions from outside the decoder. --- src/arch/arm/isa/decoder/arm.isa | 4 +- src/arch/arm/isa/formats/mem.isa | 157 ++++++++------------ src/arch/arm/isa/insts/basic.isa | 34 +++++ src/arch/arm/isa/insts/insts.isa | 47 ++++++ src/arch/arm/isa/insts/ldr.isa | 143 ++++++++++++++++++ src/arch/arm/isa/insts/mem.isa | 143 ++++++++++++++++++ src/arch/arm/isa/main.isa | 6 + src/arch/arm/isa/operands.isa | 7 + src/arch/arm/isa/templates/mem.isa | 180 +++++++++++++++++++++++ src/arch/arm/isa/templates/templates.isa | 41 ++++++ 10 files changed, 665 insertions(+), 97 deletions(-) create mode 100644 src/arch/arm/isa/insts/basic.isa create mode 100644 src/arch/arm/isa/insts/insts.isa create mode 100644 src/arch/arm/isa/insts/ldr.isa create mode 100644 src/arch/arm/isa/insts/mem.isa create mode 100644 src/arch/arm/isa/templates/mem.isa create mode 100644 src/arch/arm/isa/templates/templates.isa diff --git a/src/arch/arm/isa/decoder/arm.isa b/src/arch/arm/isa/decoder/arm.isa index 379fbbc64..e493f4455 100644 --- a/src/arch/arm/isa/decoder/arm.isa +++ b/src/arch/arm/isa/decoder/arm.isa @@ -255,9 +255,9 @@ format DataOp { }}); } } - 0x2: AddrMode2::addrMode2(Disp, disp); + 0x2: AddrMode2::addrMode2(True, Disp, disp); 0x3: decode OPCODE_4 { - 0: AddrMode2::addrMode2(Shift, Rm_Imm); + 0: AddrMode2::addrMode2(False, Shift, Rm_Imm); 1: decode MEDIA_OPCODE { 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7: WarnUnimpl::parallel_add_subtract_instructions(); 0x8: decode MISC_OPCODE { diff --git a/src/arch/arm/isa/formats/mem.isa b/src/arch/arm/isa/formats/mem.isa index 2f66ca54e..5f8a3695a 100644 --- a/src/arch/arm/isa/formats/mem.isa +++ b/src/arch/arm/isa/formats/mem.isa @@ -1,5 +1,17 @@ // -*- mode:c++ -*- +// Copyright (c) 2010 ARM Limited +// All rights reserved +// +// The license below extends only to copyright in the software and shall +// not be construed as granting a license to any other intellectual +// property including but not limited to intellectual property relating +// to a hardware implementation of the functionality of the software +// licensed hereunder. You may use the software subject to the license +// terms below provided that you ensure that this notice is replicated +// unmodified and in its entirety in all distributions of the software, +// modified or unmodified, in source code or in binary form. +// // Copyright (c) 2007-2008 The Florida State University // All rights reserved. // @@ -72,86 +84,6 @@ def template LoadStoreConstructor {{ }}; -def template LoadExecute {{ - Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, - Trace::InstRecord *traceData) const - { - Addr EA; - Fault fault = NoFault; - - %(op_decl)s; - %(op_rd)s; - %(ea_code)s; - - if (%(predicate_test)s) - { - if (fault == NoFault) { - fault = xc->read(EA, (uint%(mem_acc_size)d_t&)Mem, memAccessFlags); - %(memacc_code)s; - } - - if (fault == NoFault) { - %(op_wb)s; - } - } - - return fault; - } -}}; - - -def template LoadInitiateAcc {{ - Fault %(class_name)s::initiateAcc(%(CPU_exec_context)s *xc, - Trace::InstRecord *traceData) const - { - Addr EA; - Fault fault = NoFault; - - %(op_src_decl)s; - %(op_rd)s; - %(ea_code)s; - - if (%(predicate_test)s) - { - if (fault == NoFault) { - fault = xc->read(EA, (uint%(mem_acc_size)d_t &)Mem, memAccessFlags); - } - } - - return fault; - } -}}; - - -def template LoadCompleteAcc {{ - Fault %(class_name)s::completeAcc(PacketPtr pkt, - %(CPU_exec_context)s *xc, - Trace::InstRecord *traceData) const - { - Fault fault = NoFault; - - %(op_decl)s; - %(op_rd)s; - - if (%(predicate_test)s) - { - // ARM instructions will not have a pkt if the predicate is false - Mem = pkt->get(); - - if (fault == NoFault) { - %(memacc_code)s; - } - - if (fault == NoFault) { - %(op_wb)s; - } - } - - return fault; - } -}}; - - def template StoreExecute {{ Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const @@ -296,7 +228,12 @@ let {{ exec_template_base = type.capitalize()) }}; -def format AddrMode2(suffix, offset) {{ +def format AddrMode2(imm, suffix, offset) {{ + if eval(imm): + imm = True + else: + imm = False + header_output = decoder_output = exec_output = "" decode_block = "switch(PUBWL) {\n" @@ -306,20 +243,50 @@ def format AddrMode2(suffix, offset) {{ for u in (0, 1): for b in (0, 1): for w in (0, 1): - for l in (0, 1): - (new_header_output, - new_decoder_output, - new_decode_block, - new_exec_output) = buildMode2Inst(p, u, b, w, l, - suffix, offset) - header_output += new_header_output - decoder_output += new_decoder_output - exec_output += new_exec_output - decode_block += ''' - case %#x: - {%s} - break; - ''' % (buildPUBWLCase(p,u,b,w,l), new_decode_block) + (new_header_output, + new_decoder_output, + new_decode_block, + new_exec_output) = buildMode2Inst(p, u, b, w, 0, + suffix, offset) + header_output += new_header_output + decoder_output += new_decoder_output + exec_output += new_exec_output + decode_block += ''' + case %#x: + {%s} + break; + ''' % (buildPUBWLCase(p,u,b,w,0), new_decode_block) + + post = (p == 0) + user = (p == 0 and w == 0) + writeback = (p == 0 or w == 1) + add = (u == 1) + if b == 0: + size = 4 + else: + size = 1 + if add: + addStr = "true" + else: + addStr = "false" + if imm: + newDecode = "return new %s(machInst, RD, RN," + \ + "%s, machInst.immed11_0);" + className = loadImmClassName(post, add, writeback, + size, False, user) + newDecode = newDecode % (className, addStr) + else: + newDecode = "return new %s(machInst, RD, RN, %s," + \ + "machInst.shiftSize," + \ + "machInst.shift, RM);" + className = loadRegClassName(post, add, writeback, + size, False, user) + newDecode = newDecode % (className, addStr) + decode_block += ''' + case %#x: + {%s} + break; + ''' % (buildPUBWLCase(p,u,b,w,1), newDecode) decode_block += ''' default: return new Unknown(machInst); diff --git a/src/arch/arm/isa/insts/basic.isa b/src/arch/arm/isa/insts/basic.isa new file mode 100644 index 000000000..5864f67f7 --- /dev/null +++ b/src/arch/arm/isa/insts/basic.isa @@ -0,0 +1,34 @@ +// -*- mode:c++ -*- + +// Copyright (c) 2007-2008 The Florida State University +// 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: Stephen Hines + +// Declarations for execute() methods. +def template BasicExecDeclare {{ + Fault execute(%(CPU_exec_context)s *, Trace::InstRecord *) const; +}}; diff --git a/src/arch/arm/isa/insts/insts.isa b/src/arch/arm/isa/insts/insts.isa new file mode 100644 index 000000000..8c1304af0 --- /dev/null +++ b/src/arch/arm/isa/insts/insts.isa @@ -0,0 +1,47 @@ +// -*- mode:c++ -*- + +// Copyright (c) 2010 ARM Limited +// All rights reserved +// +// The license below extends only to copyright in the software and shall +// not be construed as granting a license to any other intellectual +// property including but not limited to intellectual property relating +// to a hardware implementation of the functionality of the software +// licensed hereunder. You may use the software subject to the license +// terms below provided that you ensure that this notice is replicated +// unmodified and in its entirety in all distributions of the software, +// modified or unmodified, in source code or in binary form. +// +// 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 + +//Basic forms of various templates +##include "basic.isa" + +//Useful bits shared by memory instructions +##include "mem.isa" + +//Loads of a single item +##include "ldr.isa" diff --git a/src/arch/arm/isa/insts/ldr.isa b/src/arch/arm/isa/insts/ldr.isa new file mode 100644 index 000000000..17f8bdef4 --- /dev/null +++ b/src/arch/arm/isa/insts/ldr.isa @@ -0,0 +1,143 @@ +// -*- mode:c++ -*- + +// Copyright (c) 2010 ARM Limited +// All rights reserved +// +// The license below extends only to copyright in the software and shall +// not be construed as granting a license to any other intellectual +// property including but not limited to intellectual property relating +// to a hardware implementation of the functionality of the software +// licensed hereunder. You may use the software subject to the license +// terms below provided that you ensure that this notice is replicated +// unmodified and in its entirety in all distributions of the software, +// modified or unmodified, in source code or in binary form. +// +// 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 + +let {{ + + header_output = "" + decoder_output = "" + exec_output = "" + + def loadImmClassName(post, add, writeback, \ + size=4, sign=False, user=False): + return memClassName("LOAD_IMM", post, add, writeback, + size, sign, user) + + def loadRegClassName(post, add, writeback, \ + size=4, sign=False, user=False): + return memClassName("LOAD_REG", post, add, writeback, + size, sign, user) + + def emitLoad(name, Name, imm, eaCode, accCode, memFlags, instFlags, base): + global header_output, decoder_output, exec_output + + (newHeader, + newDecoder, + newExec) = newLoadStoreBase(name, Name, imm, + eaCode, accCode, + memFlags, instFlags, + base, execTemplateBase = 'Load') + + header_output += newHeader + decoder_output += newDecoder + exec_output += newExec + + def buildImmLoad(mnem, post, add, writeback, \ + size=4, sign=False, user=False): + name = mnem + Name = loadImmClassName(post, add, writeback, \ + size, sign, user) + + if add: + op = " +" + else: + op = " -" + + offset = op + " imm" + eaCode = "EA = Base" + if not post: + eaCode += offset + eaCode += ";" + + accCode = "Dest = Mem%s;\n" % buildMemSuffix(sign, size) + if writeback: + accCode += "Base = Base %s;\n" % offset + base = buildMemBase("MemoryNewImm", post, writeback) + + emitLoad(name, Name, True, eaCode, accCode, [], [], base) + + def buildRegLoad(mnem, post, add, writeback, \ + size=4, sign=False, user=False): + name = mnem + Name = loadRegClassName(post, add, writeback, + size, sign, user) + + if add: + op = " +" + else: + op = " -" + + offset = op + " shift_rm_imm(Index, shiftAmt," + \ + " shiftType, CondCodes<29:>)" + eaCode = "EA = Base" + if not post: + eaCode += offset + eaCode += ";" + + accCode = "Dest = Mem%s;\n" % buildMemSuffix(sign, size) + if writeback: + accCode += "Base = Base %s;\n" % offset + base = buildMemBase("MemoryNewReg", post, writeback) + + emitLoad(name, Name, False, eaCode, accCode, [], [], base) + + def buildLoads(mnem, size=4, sign=False, user=False): + buildImmLoad(mnem, True, True, True, size, sign, user) + buildRegLoad(mnem, True, True, True, size, sign, user) + buildImmLoad(mnem, True, False, True, size, sign, user) + buildRegLoad(mnem, True, False, True, size, sign, user) + buildImmLoad(mnem, False, True, True, size, sign, user) + buildRegLoad(mnem, False, True, True, size, sign, user) + buildImmLoad(mnem, False, False, True, size, sign, user) + buildRegLoad(mnem, False, False, True, size, sign, user) + buildImmLoad(mnem, False, True, False, size, sign, user) + buildRegLoad(mnem, False, True, False, size, sign, user) + buildImmLoad(mnem, False, False, False, size, sign, user) + buildRegLoad(mnem, False, False, False, size, sign, user) + + buildLoads("ldr") + buildLoads("ldrt", user=True) + buildLoads("ldrb", size=1) + buildLoads("ldrbt", size=1, user=True) + buildLoads("ldrsb", size=1, sign=True) + buildLoads("ldrsbt", size=1, sign=True, user=True) + buildLoads("ldrh", size=2) + buildLoads("ldrht", size=2, user=True) + buildLoads("hdrsh", size=2, sign=True) + buildLoads("ldrsht", size=2, sign=True, user=True) +}}; diff --git a/src/arch/arm/isa/insts/mem.isa b/src/arch/arm/isa/insts/mem.isa new file mode 100644 index 000000000..698f95adb --- /dev/null +++ b/src/arch/arm/isa/insts/mem.isa @@ -0,0 +1,143 @@ +// -*- mode:c++ -*- + +// Copyright (c) 2010 ARM Limited +// All rights reserved +// +// The license below extends only to copyright in the software and shall +// not be construed as granting a license to any other intellectual +// property including but not limited to intellectual property relating +// to a hardware implementation of the functionality of the software +// licensed hereunder. You may use the software subject to the license +// terms below provided that you ensure that this notice is replicated +// unmodified and in its entirety in all distributions of the software, +// modified or unmodified, in source code or in binary form. +// +// 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 + +let {{ + def newLoadStoreBase(name, Name, imm, eaCode, accCode, memFlags, + instFlags, base = 'MemoryNew', execTemplateBase = ''): + # Make sure flags are in lists (convert to lists if not). + memFlags = makeList(memFlags) + instFlags = makeList(instFlags) + + # This shouldn't be part of the eaCode, but until the exec templates + # are converted over it's the easiest place to put it. + eaCode += '\n unsigned memAccessFlags = ' + if memFlags: + eaCode += (string.join(memFlags, '|') + ';') + else: + eaCode += '0;' + + predicateTest = 'testPredicate(CondCodes, condCode)' + + iop = InstObjParams(name, Name, base, + {'ea_code': eaCode, + 'memacc_code': accCode, + 'predicate_test': predicateTest}, + instFlags) + + fullExecTemplate = eval(execTemplateBase + 'Execute') + initiateAccTemplate = eval(execTemplateBase + 'InitiateAcc') + completeAccTemplate = eval(execTemplateBase + 'CompleteAcc') + + if imm: + declareTemplate = LoadStoreImmDeclare + constructTemplate = LoadStoreImmConstructor + else: + declareTemplate = LoadStoreRegDeclare + constructTemplate = LoadStoreRegConstructor + + # (header_output, decoder_output, decode_block, exec_output) + return (declareTemplate.subst(iop), + constructTemplate.subst(iop), + fullExecTemplate.subst(iop) + + initiateAccTemplate.subst(iop) + + completeAccTemplate.subst(iop)) + + def memClassName(base, post, add, writeback, \ + size=4, sign=False, user=False): + Name = base + + if post: + Name += '_PY' + else: + Name += '_PN' + + if add: + Name += '_AY' + else: + Name += '_AN' + + if writeback: + Name += '_WY' + else: + Name += '_WN' + + Name += ('_SZ%d' % size) + + if sign: + Name += '_SY' + else: + Name += '_SN' + + if user: + Name += '_UY' + else: + Name += '_UN' + + return Name + + def buildMemSuffix(sign, size): + if size == 4: + memSuffix = '' + elif size == 2: + if sign: + memSuffix = '.sh' + else: + memSuffix = '.uh' + elif size == 1: + if sign: + memSuffix = '.sb' + else: + memSuffix = '.ub' + else: + raise Exception, "Unrecognized size for load %d" % size + + return memSuffix + + def buildMemBase(base, post, writeback): + if post and writeback: + base = "MemoryNewPostIndex<%s>" % base + elif not post and writeback: + base = "MemoryNewPreIndex<%s>" % base + elif not post and not writeback: + base = "MemoryNewOffset<%s>" % base + else: + raise Exception, "Illegal combination of post and writeback" + return base +}}; + diff --git a/src/arch/arm/isa/main.isa b/src/arch/arm/isa/main.isa index a3df32e63..6bb5a5ddc 100644 --- a/src/arch/arm/isa/main.isa +++ b/src/arch/arm/isa/main.isa @@ -62,6 +62,12 @@ namespace ArmISA; //Include the operand_types and operand definitions ##include "operands.isa" +//Templates for the C++ versions of the instructions +##include "templates/templates.isa" + +//Include manually defined instructions +##include "insts/insts.isa" + //Include the definitions for the instruction formats ##include "formats/formats.isa" diff --git a/src/arch/arm/isa/operands.isa b/src/arch/arm/isa/operands.isa index fefe9d925..f5d3e1042 100644 --- a/src/arch/arm/isa/operands.isa +++ b/src/arch/arm/isa/operands.isa @@ -69,6 +69,13 @@ let {{ }}; def operands {{ + #Abstracted integer reg operands + 'Dest': ('IntReg', 'uw', 'dest', 'IsInteger', 0, + maybePCRead, maybePCWrite), + 'Base': ('IntReg', 'uw', 'base', 'IsInteger', 1, + maybePCRead, maybePCWrite), + 'Index': ('IntReg', 'uw', 'index', 'IsInteger', 2, + maybePCRead, maybePCWrite), #General Purpose Integer Reg Operands 'Rd': ('IntReg', 'uw', 'RD', 'IsInteger', 1, maybePCRead, maybePCWrite), 'Rm': ('IntReg', 'uw', 'RM', 'IsInteger', 2, maybePCRead, maybePCWrite), diff --git a/src/arch/arm/isa/templates/mem.isa b/src/arch/arm/isa/templates/mem.isa new file mode 100644 index 000000000..c8faca783 --- /dev/null +++ b/src/arch/arm/isa/templates/mem.isa @@ -0,0 +1,180 @@ +// -*- mode:c++ -*- + +// Copyright (c) 2007-2008 The Florida State University +// 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: Stephen Hines + + +def template LoadExecute {{ + Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, + Trace::InstRecord *traceData) const + { + Addr EA; + Fault fault = NoFault; + + %(op_decl)s; + %(op_rd)s; + %(ea_code)s; + + if (%(predicate_test)s) + { + if (fault == NoFault) { + fault = xc->read(EA, (uint%(mem_acc_size)d_t&)Mem, memAccessFlags); + %(memacc_code)s; + } + + if (fault == NoFault) { + %(op_wb)s; + } + } + + return fault; + } +}}; + +def template LoadInitiateAcc {{ + Fault %(class_name)s::initiateAcc(%(CPU_exec_context)s *xc, + Trace::InstRecord *traceData) const + { + Addr EA; + Fault fault = NoFault; + + %(op_src_decl)s; + %(op_rd)s; + %(ea_code)s; + + if (%(predicate_test)s) + { + if (fault == NoFault) { + fault = xc->read(EA, (uint%(mem_acc_size)d_t &)Mem, memAccessFlags); + } + } + + return fault; + } +}}; + +def template LoadCompleteAcc {{ + Fault %(class_name)s::completeAcc(PacketPtr pkt, + %(CPU_exec_context)s *xc, + Trace::InstRecord *traceData) const + { + Fault fault = NoFault; + + %(op_decl)s; + %(op_rd)s; + + if (%(predicate_test)s) + { + // ARM instructions will not have a pkt if the predicate is false + Mem = pkt->get(); + + if (fault == NoFault) { + %(memacc_code)s; + } + + if (fault == NoFault) { + %(op_wb)s; + } + } + + return fault; + } +}}; + +def template LoadStoreImmDeclare {{ + /** + * Static instruction class for "%(mnemonic)s". + */ + class %(class_name)s : public %(base_class)s + { + public: + + /// Constructor. + %(class_name)s(ExtMachInst machInst, + uint32_t _dest, uint32_t _base, bool _add, int32_t _imm); + + %(BasicExecDeclare)s + + %(InitiateAccDeclare)s + + %(CompleteAccDeclare)s + }; +}}; + +def template LoadStoreRegDeclare {{ + /** + * Static instruction class for "%(mnemonic)s". + */ + class %(class_name)s : public %(base_class)s + { + public: + + /// Constructor. + %(class_name)s(ExtMachInst machInst, + uint32_t _dest, uint32_t _base, bool _add, + int32_t _shiftAmt, uint32_t _shiftType, + uint32_t _index); + + %(BasicExecDeclare)s + + %(InitiateAccDeclare)s + + %(CompleteAccDeclare)s + }; +}}; + +def template InitiateAccDeclare {{ + Fault initiateAcc(%(CPU_exec_context)s *, Trace::InstRecord *) const; +}}; + +def template CompleteAccDeclare {{ + Fault completeAcc(PacketPtr, %(CPU_exec_context)s *, Trace::InstRecord *) const; +}}; + +def template LoadStoreImmConstructor {{ + inline %(class_name)s::%(class_name)s(ExtMachInst machInst, + uint32_t _dest, uint32_t _base, bool _add, int32_t _imm) + : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s, + (IntRegIndex)_dest, (IntRegIndex)_base, _add, _imm) + { + %(constructor)s; + } +}}; + +def template LoadStoreRegConstructor {{ + inline %(class_name)s::%(class_name)s(ExtMachInst machInst, + uint32_t _dest, uint32_t _base, bool _add, + int32_t _shiftAmt, uint32_t _shiftType, uint32_t _index) + : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s, + (IntRegIndex)_dest, (IntRegIndex)_base, _add, + _shiftAmt, (ArmShiftType)_shiftType, + (IntRegIndex)_index) + { + %(constructor)s; + } +}}; diff --git a/src/arch/arm/isa/templates/templates.isa b/src/arch/arm/isa/templates/templates.isa new file mode 100644 index 000000000..65175d3cf --- /dev/null +++ b/src/arch/arm/isa/templates/templates.isa @@ -0,0 +1,41 @@ +// -*- mode:c++ -*- + +// Copyright (c) 2010 ARM Limited +// All rights reserved +// +// The license below extends only to copyright in the software and shall +// not be construed as granting a license to any other intellectual +// property including but not limited to intellectual property relating +// to a hardware implementation of the functionality of the software +// licensed hereunder. You may use the software subject to the license +// terms below provided that you ensure that this notice is replicated +// unmodified and in its entirety in all distributions of the software, +// modified or unmodified, in source code or in binary form. +// +// 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 + +//Templates for memory instructions +##include "mem.isa" -- 2.30.2