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-rw-r--r--src/arch/x86/isa/microops/ldstop.isa317
1 files changed, 302 insertions, 15 deletions
diff --git a/src/arch/x86/isa/microops/ldstop.isa b/src/arch/x86/isa/microops/ldstop.isa
index 7e164fa82..38b690e6a 100644
--- a/src/arch/x86/isa/microops/ldstop.isa
+++ b/src/arch/x86/isa/microops/ldstop.isa
@@ -59,8 +59,14 @@
//
//////////////////////////////////////////////////////////////////////////
-def template MicroLdStOpDeclare {{
- class %(class_name)s : public X86MicroopBase
+
+// Load templates
+
+output header {{
+ /**
+ * Base class for load and store ops
+ */
+ class LdStOp : public X86MicroopBase
{
protected:
const uint8_t scale;
@@ -71,6 +77,195 @@ def template MicroLdStOpDeclare {{
const RegIndex data;
const uint8_t dataSize;
const uint8_t addressSize;
+
+ //Constructor
+ LdStOp(ExtMachInst _machInst,
+ const char * mnem, const char * _instMnem,
+ bool isMicro, bool isDelayed, bool isFirst, bool isLast,
+ uint8_t _scale, RegIndex _index, RegIndex _base,
+ uint64_t _disp, uint8_t _segment,
+ RegIndex _data,
+ uint8_t _dataSize, uint8_t _addressSize,
+ OpClass __opClass) :
+ X86MicroopBase(machInst, mnem, _instMnem,
+ isMicro, isDelayed, isFirst, isLast, __opClass),
+ scale(_scale), index(_index), base(_base),
+ disp(_disp), segment(_segment),
+ data(_data),
+ dataSize(_dataSize), addressSize(_addressSize)
+ {}
+
+ std::string generateDisassembly(Addr pc,
+ const SymbolTable *symtab) const;
+ };
+}};
+
+output decoder {{
+ std::string LdStOp::generateDisassembly(Addr pc,
+ const SymbolTable *symtab) const
+ {
+ std::stringstream response;
+
+ printMnemonic(response, instMnem, mnemonic);
+ printReg(response, data);
+ response << ", ";
+ printSegment(response, segment);
+ ccprintf(response, ":[%d*", scale);
+ printReg(response, index);
+ response << " + ";
+ printReg(response, base);
+ ccprintf(response, " + %#x]", disp);
+ return response.str();
+ }
+}};
+
+def template MicroLoadExecute {{
+ Fault %(class_name)s::execute(%(CPU_exec_context)s *xc,
+ Trace::InstRecord *traceData) const
+ {
+ Fault fault = NoFault;
+ Addr EA;
+
+ %(op_decl)s;
+ %(op_rd)s;
+ %(ea_code)s;
+ DPRINTF(X86, "%s : %s: The address is %#x\n", instMnem, mnemonic, EA);
+
+ fault = xc->read(EA, (%(mem_acc_type)s%(mem_acc_size)s_t&)Mem, 0);
+ if(fault == NoFault)
+ {
+ %(code)s;
+ }
+ if(fault == NoFault)
+ {
+ %(op_wb)s;
+ }
+
+ return fault;
+ }
+}};
+
+def template MicroLoadInitiateAcc {{
+ Fault %(class_name)s::initiateAcc(%(CPU_exec_context)s * xc,
+ Trace::InstRecord * traceData) const
+ {
+ Fault fault = NoFault;
+ Addr EA;
+
+ %(op_decl)s;
+ %(op_rd)s;
+ %(ea_code)s;
+ DPRINTF(X86, "%s : %s: The address is %#x\n", instMnem, mnemonic, EA);
+
+ fault = xc->read(EA, (%(mem_acc_type)s%(mem_acc_size)s_t&)Mem, 0);
+
+ return fault;
+ }
+}};
+
+def template MicroLoadCompleteAcc {{
+ 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;
+
+ Mem = pkt->get<typeof(Mem)>();
+ %(code)s;
+
+ if(fault == NoFault)
+ {
+ %(op_wb)s;
+ }
+
+ return fault;
+ }
+}};
+
+// Store templates
+
+def template MicroStoreExecute {{
+ Fault %(class_name)s::execute(%(CPU_exec_context)s * xc,
+ Trace::InstRecord *traceData) const
+ {
+ Fault fault = NoFault;
+
+ Addr EA;
+ %(op_decl)s;
+ %(op_rd)s;
+ %(ea_code)s;
+ DPRINTF(X86, "%s : %s: The address is %#x\n", instMnem, mnemonic, EA);
+
+ %(code)s;
+
+ if(fault == NoFault)
+ {
+ fault = xc->write((%(mem_acc_type)s%(mem_acc_size)s_t)Mem,
+ EA, 0, 0);
+ }
+ if(fault == NoFault)
+ {
+ %(op_wb)s;
+ }
+
+ return fault;
+ }
+}};
+
+def template MicroStoreInitiateAcc {{
+ Fault %(class_name)s::initiateAcc(%(CPU_exec_context)s * xc,
+ Trace::InstRecord * traceData) const
+ {
+ Fault fault = NoFault;
+
+ Addr EA;
+ %(op_decl)s;
+ %(op_rd)s;
+ %(ea_code)s;
+ DPRINTF(X86, "%s : %s: The address is %#x\n", instMnem, mnemonic, EA);
+
+ %(code)s;
+
+ if(fault == NoFault)
+ {
+ fault = xc->write((%(mem_acc_type)s%(mem_acc_size)s_t)Mem,
+ EA, 0, 0);
+ }
+ if(fault == NoFault)
+ {
+ %(op_wb)s;
+ }
+ return fault;
+ }
+}};
+
+def template MicroStoreCompleteAcc {{
+ Fault %(class_name)s::completeAcc(PacketPtr, %(CPU_exec_context)s * xc,
+ Trace::InstRecord * traceData) const
+ {
+ return NoFault;
+ }
+}};
+
+// Common templates
+
+//This delcares the initiateAcc function in memory operations
+def template InitiateAccDeclare {{
+ Fault initiateAcc(%(CPU_exec_context)s *, Trace::InstRecord *) const;
+}};
+
+//This declares the completeAcc function in memory operations
+def template CompleteAccDeclare {{
+ Fault completeAcc(PacketPtr, %(CPU_exec_context)s *, Trace::InstRecord *) const;
+}};
+
+def template MicroLdStOpDeclare {{
+ class %(class_name)s : public %(base_class)s
+ {
+ protected:
void buildMe();
public:
@@ -90,6 +285,10 @@ def template MicroLdStOpDeclare {{
uint8_t _dataSize, uint8_t _addressSize);
%(BasicExecDeclare)s
+
+ %(InitiateAccDeclare)s
+
+ %(CompleteAccDeclare)s
};
}};
@@ -107,11 +306,10 @@ def template MicroLdStOpConstructor {{
RegIndex _data,
uint8_t _dataSize, uint8_t _addressSize) :
%(base_class)s(machInst, "%(mnemonic)s", instMnem,
- false, false, false, false, %(op_class)s),
- scale(_scale), index(_index), base(_base),
- disp(_disp), segment(_segment),
- data(_data),
- dataSize(_dataSize), addressSize(_addressSize)
+ false, false, false, false,
+ _scale, _index, _base,
+ _disp, _segment, _data,
+ _dataSize, _addressSize, %(op_class)s)
{
buildMe();
}
@@ -120,17 +318,106 @@ def template MicroLdStOpConstructor {{
ExtMachInst machInst, const char * instMnem,
bool isMicro, bool isDelayed, bool isFirst, bool isLast,
uint8_t _scale, RegIndex _index, RegIndex _base,
- uint64_t _disp, uint8_t segment,
- RegIndex data,
- uint8_t dataSize, uint8_t addressSize) :
+ uint64_t _disp, uint8_t _segment,
+ RegIndex _data,
+ uint8_t _dataSize, uint8_t _addressSize) :
%(base_class)s(machInst, "%(mnemonic)s", instMnem,
- isMicro, isDelayed, isFirst, isLast, %(op_class)s),
- scale(_scale), index(_index), base(_base),
- disp(_disp), segment(_segment),
- data(_data),
- dataSize(_dataSize), addressSize(_addressSize)
+ isMicro, isDelayed, isFirst, isLast,
+ _scale, _index, _base,
+ _disp, _segment, _data,
+ _dataSize, _addressSize, %(op_class)s)
{
buildMe();
}
}};
+let {{
+ class LdStOp(X86Microop):
+ def __init__(self, data, segment, addr, disp):
+ self.data = data
+ [self.scale, self.index, self.base] = addr
+ self.disp = disp
+ self.segment = segment
+ self.dataSize = "env.dataSize"
+ self.addressSize = "env.addressSize"
+
+ def getAllocator(self, *microFlags):
+ allocator = '''new %(class_name)s(machInst, mnemonic
+ %(flags)s, %(scale)s, %(index)s, %(base)s,
+ %(disp)s, %(segment)s, %(data)s,
+ %(dataSize)s, %(addressSize)s)''' % {
+ "class_name" : self.className,
+ "flags" : self.microFlagsText(microFlags),
+ "scale" : self.scale, "index" : self.index,
+ "base" : self.base,
+ "disp" : self.disp,
+ "segment" : self.segment, "data" : self.data,
+ "dataSize" : self.dataSize, "addressSize" : self.addressSize}
+ return allocator
+}};
+
+let {{
+
+ # Make these empty strings so that concatenating onto
+ # them will always work.
+ header_output = ""
+ decoder_output = ""
+ exec_output = ""
+
+ calculateEA = "EA = scale * Index + Base + disp;"
+
+ def defineMicroLoadOp(mnemonic, code):
+ global header_output
+ global decoder_output
+ global exec_output
+ global microopClasses
+ Name = mnemonic
+ name = mnemonic.lower()
+
+ # Build up the all register version of this micro op
+ iop = InstObjParams(name, Name, 'LdStOp',
+ {"code": code, "ea_code": calculateEA})
+ header_output += MicroLdStOpDeclare.subst(iop)
+ decoder_output += MicroLdStOpConstructor.subst(iop)
+ exec_output += MicroLoadExecute.subst(iop)
+ exec_output += MicroLoadInitiateAcc.subst(iop)
+ exec_output += MicroLoadCompleteAcc.subst(iop)
+
+ class LoadOp(LdStOp):
+ def __init__(self, data, segment, addr, disp = 0):
+ super(LoadOp, self).__init__(data, segment, addr, disp)
+ self.className = Name
+ self.mnemonic = name
+
+ microopClasses[name] = LoadOp
+
+ defineMicroLoadOp('Ld', 'Data = merge(Data, Mem, dataSize);')
+
+ def defineMicroStoreOp(mnemonic, code):
+ global header_output
+ global decoder_output
+ global exec_output
+ global microopClasses
+ Name = mnemonic
+ name = mnemonic.lower()
+
+ # Build up the all register version of this micro op
+ iop = InstObjParams(name, Name, 'LdStOp',
+ {"code": code, "ea_code": calculateEA})
+ header_output += MicroLdStOpDeclare.subst(iop)
+ decoder_output += MicroLdStOpConstructor.subst(iop)
+ exec_output += MicroStoreExecute.subst(iop)
+ exec_output += MicroStoreInitiateAcc.subst(iop)
+ exec_output += MicroStoreCompleteAcc.subst(iop)
+
+ class StoreOp(LdStOp):
+ def __init__(self, data, addr, segment):
+ super(LoadOp, self).__init__(data, addr, segment)
+ self.className = Name
+ self.mnemonic = name
+
+ microopClasses[name] = StoreOp
+
+ defineMicroLoadOp('St', 'Mem = Data;')
+}};
+
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-16 01:18:33 +0000