summaryrefslogtreecommitdiff
path: root/arch/mips/isa/formats/mem.isa
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/isa/formats/mem.isa')
-rw-r--r--arch/mips/isa/formats/mem.isa473
1 files changed, 0 insertions, 473 deletions
diff --git a/arch/mips/isa/formats/mem.isa b/arch/mips/isa/formats/mem.isa
deleted file mode 100644
index e2afc7252..000000000
--- a/arch/mips/isa/formats/mem.isa
+++ /dev/null
@@ -1,473 +0,0 @@
-// -*- mode:c++ -*-
-
-// Copyright (c) 2003-2005 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.
-
-output header {{
- /**
- * Base class for general Mips memory-format instructions.
- */
- class Memory : public MipsStaticInst
- {
- protected:
-
- /// Memory request flags. See mem_req_base.hh.
- unsigned memAccessFlags;
- /// Pointer to EAComp object.
- const StaticInstPtr eaCompPtr;
- /// Pointer to MemAcc object.
- const StaticInstPtr memAccPtr;
-
- /// Displacement for EA calculation (signed).
- int32_t disp;
-
- /// Constructor
- Memory(const char *mnem, MachInst _machInst, OpClass __opClass,
- StaticInstPtr _eaCompPtr = nullStaticInstPtr,
- StaticInstPtr _memAccPtr = nullStaticInstPtr)
- : MipsStaticInst(mnem, _machInst, __opClass),
- memAccessFlags(0), eaCompPtr(_eaCompPtr), memAccPtr(_memAccPtr),
- disp(OFFSET)
- {
- //If Bit 15 is 1 then Sign Extend
- int32_t temp = disp & 0x00008000;
-
- if (temp > 0) {
- disp |= 0xFFFF0000;
- }
- }
-
- std::string
- generateDisassembly(Addr pc, const SymbolTable *symtab) const;
-
- public:
-
- const StaticInstPtr &eaCompInst() const { return eaCompPtr; }
- const StaticInstPtr &memAccInst() const { return memAccPtr; }
- };
-
-}};
-
-
-output decoder {{
- std::string
- Memory::generateDisassembly(Addr pc, const SymbolTable *symtab) const
- {
- return csprintf("%-10s %c%d,%d(r%d)", mnemonic,
- flags[IsFloating] ? 'f' : 'r', RT, disp, RS);
- }
-
-}};
-
-def format LoadAddress(code) {{
- iop = InstObjParams(name, Name, 'MemoryDisp32', CodeBlock(code))
- header_output = BasicDeclare.subst(iop)
- decoder_output = BasicConstructor.subst(iop)
- decode_block = BasicDecode.subst(iop)
- exec_output = BasicExecute.subst(iop)
-}};
-
-
-def template LoadStoreDeclare {{
- /**
- * Static instruction class for "%(mnemonic)s".
- */
- class %(class_name)s : public %(base_class)s
- {
- protected:
-
- /**
- * "Fake" effective address computation class for "%(mnemonic)s".
- */
- class EAComp : public %(base_class)s
- {
- public:
- /// Constructor
- EAComp(MachInst machInst);
-
- %(BasicExecDeclare)s
- };
-
- /**
- * "Fake" memory access instruction class for "%(mnemonic)s".
- */
- class MemAcc : public %(base_class)s
- {
- public:
- /// Constructor
- MemAcc(MachInst machInst);
-
- %(BasicExecDeclare)s
- };
-
- public:
-
- /// Constructor.
- %(class_name)s(MachInst machInst);
-
- %(BasicExecDeclare)s
-
- %(InitiateAccDeclare)s
-
- %(CompleteAccDeclare)s
- };
-}};
-
-
-def template InitiateAccDeclare {{
- Fault initiateAcc(%(CPU_exec_context)s *, Trace::InstRecord *) const;
-}};
-
-
-def template CompleteAccDeclare {{
- Fault completeAcc(uint8_t *, %(CPU_exec_context)s *, Trace::InstRecord *) const;
-}};
-
-
-def template LoadStoreConstructor {{
- /** TODO: change op_class to AddrGenOp or something (requires
- * creating new member of OpClass enum in op_class.hh, updating
- * config files, etc.). */
- inline %(class_name)s::EAComp::EAComp(MachInst machInst)
- : %(base_class)s("%(mnemonic)s (EAComp)", machInst, IntAluOp)
- {
- %(ea_constructor)s;
- }
-
- inline %(class_name)s::MemAcc::MemAcc(MachInst machInst)
- : %(base_class)s("%(mnemonic)s (MemAcc)", machInst, %(op_class)s)
- {
- %(memacc_constructor)s;
- }
-
- inline %(class_name)s::%(class_name)s(MachInst machInst)
- : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s,
- new EAComp(machInst), new MemAcc(machInst))
- {
- %(constructor)s;
- }
-}};
-
-
-def template EACompExecute {{
- Fault
- %(class_name)s::EAComp::execute(%(CPU_exec_context)s *xc,
- Trace::InstRecord *traceData) const
- {
- Addr EA;
- Fault fault = NoFault;
-
- %(fp_enable_check)s;
- %(op_decl)s;
- %(op_rd)s;
- %(code)s;
-
- if (fault == NoFault) {
- %(op_wb)s;
- xc->setEA(EA);
- }
-
- return fault;
- }
-}};
-
-def template LoadMemAccExecute {{
- Fault
- %(class_name)s::MemAcc::execute(%(CPU_exec_context)s *xc,
- Trace::InstRecord *traceData) const
- {
- Addr EA;
- Fault fault = NoFault;
-
- %(fp_enable_check)s;
- %(op_decl)s;
- %(op_rd)s;
- EA = xc->getEA();
-
- if (fault == NoFault) {
- fault = xc->read(EA, (uint%(mem_acc_size)d_t&)Mem, memAccessFlags);
- %(code)s;
- }
-
- if (fault == NoFault) {
- %(op_wb)s;
- }
-
- return fault;
- }
-}};
-
-
-def template LoadExecute {{
- Fault %(class_name)s::execute(%(CPU_exec_context)s *xc,
- Trace::InstRecord *traceData) const
- {
- Addr EA;
- Fault fault = NoFault;
-
- %(fp_enable_check)s;
- %(op_decl)s;
- %(op_rd)s;
- %(ea_code)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;
-
- %(fp_enable_check)s;
- %(op_src_decl)s;
- %(op_rd)s;
- %(ea_code)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(uint8_t *data,
- %(CPU_exec_context)s *xc,
- Trace::InstRecord *traceData) const
- {
- Fault fault = NoFault;
-
- %(fp_enable_check)s;
- %(op_decl)s;
-
- memcpy(&Mem, data, sizeof(Mem));
-
- if (fault == NoFault) {
- %(memacc_code)s;
- }
-
- if (fault == NoFault) {
- %(op_wb)s;
- }
-
- return fault;
- }
-}};
-
-
-def template StoreMemAccExecute {{
- Fault
- %(class_name)s::MemAcc::execute(%(CPU_exec_context)s *xc,
- Trace::InstRecord *traceData) const
- {
- Addr EA;
- Fault fault = NoFault;
- uint64_t write_result = 0;
-
- %(fp_enable_check)s;
- %(op_decl)s;
- %(op_rd)s;
- EA = xc->getEA();
-
- if (fault == NoFault) {
- %(code)s;
- }
-
- if (fault == NoFault) {
- fault = xc->write((uint%(mem_acc_size)d_t&)Mem, EA,
- memAccessFlags, &write_result);
- if (traceData) { traceData->setData(Mem); }
- }
-
- if (fault == NoFault) {
- %(postacc_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
- {
- Addr EA;
- Fault fault = NoFault;
- uint64_t write_result = 0;
-
- %(fp_enable_check)s;
- %(op_decl)s;
- %(op_rd)s;
- %(ea_code)s;
-
- if (fault == NoFault) {
- %(memacc_code)s;
- }
-
- if (fault == NoFault) {
- fault = xc->write((uint%(mem_acc_size)d_t&)Mem, EA,
- memAccessFlags, &write_result);
- if (traceData) { traceData->setData(Mem); }
- }
-
- if (fault == NoFault) {
- %(postacc_code)s;
- }
-
- if (fault == NoFault) {
- %(op_wb)s;
- }
-
- return fault;
- }
-}};
-
-def template StoreInitiateAcc {{
- Fault %(class_name)s::initiateAcc(%(CPU_exec_context)s *xc,
- Trace::InstRecord *traceData) const
- {
- Addr EA;
- Fault fault = NoFault;
- uint64_t write_result = 0;
-
- %(fp_enable_check)s;
- %(op_decl)s;
- %(op_rd)s;
- %(ea_code)s;
-
- if (fault == NoFault) {
- %(memacc_code)s;
- }
-
- if (fault == NoFault) {
- fault = xc->write((uint%(mem_acc_size)d_t&)Mem, EA,
- memAccessFlags, &write_result);
- if (traceData) { traceData->setData(Mem); }
- }
-
- return fault;
- }
-}};
-
-
-def template StoreCompleteAcc {{
- Fault %(class_name)s::completeAcc(uint8_t *data,
- %(CPU_exec_context)s *xc,
- Trace::InstRecord *traceData) const
- {
- Fault fault = NoFault;
- uint64_t write_result = 0;
-
- %(fp_enable_check)s;
- %(op_dest_decl)s;
-
- memcpy(&write_result, data, sizeof(write_result));
-
- if (fault == NoFault) {
- %(postacc_code)s;
- }
-
- if (fault == NoFault) {
- %(op_wb)s;
- }
-
- return fault;
- }
-}};
-
-// load instructions use Rt as dest, so check for
-// Rt == 31 to detect nops
-def template LoadNopCheckDecode {{
- {
- MipsStaticInst *i = new %(class_name)s(machInst);
- if (RT == 0) {
- i = makeNop(i);
- }
- return i;
- }
-}};
-
-def format LoadMemory(memacc_code, ea_code = {{ EA = Rs + disp; }},
- mem_flags = [], inst_flags = []) {{
- (header_output, decoder_output, decode_block, exec_output) = \
- LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
- decode_template = LoadNopCheckDecode,
- exec_template_base = 'Load')
-}};
-
-
-def format StoreMemory(memacc_code, ea_code = {{ EA = Rs + disp; }},
- mem_flags = [], inst_flags = []) {{
- (header_output, decoder_output, decode_block, exec_output) = \
- LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
- exec_template_base = 'Store')
-}};
-
-//FP loads are offloaded to these formats for now ...
-def format LoadFloatMemory(memacc_code, ea_code = {{ EA = Rs + disp; }},
- mem_flags = [], inst_flags = []) {{
- (header_output, decoder_output, decode_block, exec_output) = \
- LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
- decode_template = BasicDecode,
- exec_template_base = 'Load')
-}};
-
-
-def format StoreFloatMemory(memacc_code, ea_code = {{ EA = Rs + disp; }},
- mem_flags = [], inst_flags = []) {{
- (header_output, decoder_output, decode_block, exec_output) = \
- LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
- exec_template_base = 'Store')
-}};
-
-
-def format UnalignedStore(memacc_code, postacc_code,
- ea_code = {{ EA = Rb + disp; }},
- mem_flags = [], inst_flags = []) {{
- (header_output, decoder_output, decode_block, exec_output) = \
- LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
- postacc_code, exec_template_base = 'Store')
-}};
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-11 22:15:05 +0000