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authorGabe Black <gblack@eecs.umich.edu>2006-02-15 23:24:35 -0500
committerGabe Black <gblack@eecs.umich.edu>2006-02-15 23:24:35 -0500
commit7f17f1f2df7dc7123448ec624a345ee7c0e996b5 (patch)
treeb410a8b5e1b80e119cc374cb9d7822d46b274ef8 /arch/alpha/isa/mem.isa
parentaee1bf58734c2146eb048dc4833881886ce68cf8 (diff)
parent2d04f186748c70b3d8afecd39b94436c33848d93 (diff)
downloadgem5-7f17f1f2df7dc7123448ec624a345ee7c0e996b5.tar.xz
Merge zizzer.eecs.umich.edu:/z/m5/Bitkeeper/m5
into zizzer.eecs.umich.edu:/z/m5/Bitkeeper/multiarch --HG-- extra : convert_revision : b4bbf63ec3b1c6de0ea7220e6dda5366c0529c07
Diffstat (limited to 'arch/alpha/isa/mem.isa')
-rw-r--r--arch/alpha/isa/mem.isa153
1 files changed, 152 insertions, 1 deletions
diff --git a/arch/alpha/isa/mem.isa b/arch/alpha/isa/mem.isa
index 45afd378c..1889daefc 100644
--- a/arch/alpha/isa/mem.isa
+++ b/arch/alpha/isa/mem.isa
@@ -164,9 +164,24 @@ def template LoadStoreDeclare {{
%(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
@@ -267,6 +282,54 @@ def template LoadExecute {{
}};
+def template LoadInitiateAcc {{
+ Fault %(class_name)s::initiateAcc(%(CPU_exec_context)s *xc,
+ Trace::InstRecord *traceData) const
+ {
+ Addr EA;
+ Fault fault = No_Fault;
+ %(mem_acc_type)s Mem = 0;
+
+ %(fp_enable_check)s;
+ %(op_src_decl)s;
+ %(op_rd)s;
+ %(ea_code)s;
+
+ if (fault == No_Fault) {
+ 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 = No_Fault;
+ %(mem_acc_type)s Mem = 0;
+
+ %(fp_enable_check)s;
+ %(op_dest_decl)s;
+
+ memcpy(&Mem, data, sizeof(Mem));
+
+ if (fault == No_Fault) {
+ %(memacc_code)s;
+ }
+
+ if (fault == No_Fault) {
+ %(op_wb)s;
+ }
+
+ return fault;
+ }
+}};
+
+
def template StoreMemAccExecute {{
Fault
%(class_name)s::MemAcc::execute(%(CPU_exec_context)s *xc,
@@ -339,6 +402,60 @@ def template StoreExecute {{
}
}};
+def template StoreInitiateAcc {{
+ Fault %(class_name)s::initiateAcc(%(CPU_exec_context)s *xc,
+ Trace::InstRecord *traceData) const
+ {
+ Addr EA;
+ Fault fault = No_Fault;
+ uint64_t write_result = 0;
+ %(mem_acc_type)s Mem = 0;
+
+ %(fp_enable_check)s;
+ %(op_src_decl)s;
+ %(op_rd)s;
+ %(ea_code)s;
+
+ if (fault == No_Fault) {
+ %(memacc_code)s;
+ }
+
+ if (fault == No_Fault) {
+ 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 = No_Fault;
+ uint64_t write_result = 0;
+
+ %(fp_enable_check)s;
+ %(op_dest_decl)s;
+
+ memcpy(&write_result, data, sizeof(write_result));
+
+ if (fault == No_Fault) {
+ %(postacc_code)s;
+ }
+
+ if (fault == No_Fault) {
+ %(op_wb)s;
+ }
+
+ return fault;
+ }
+}};
+
def template MiscMemAccExecute {{
Fault %(class_name)s::MemAcc::execute(%(CPU_exec_context)s *xc,
@@ -380,6 +497,36 @@ def template MiscExecute {{
}
}};
+def template MiscInitiateAcc {{
+ Fault %(class_name)s::initiateAcc(%(CPU_exec_context)s *xc,
+ Trace::InstRecord *traceData) const
+ {
+ Addr EA;
+ Fault fault = No_Fault;
+
+ %(fp_enable_check)s;
+ %(op_decl)s;
+ %(op_rd)s;
+ %(ea_code)s;
+
+ if (fault == No_Fault) {
+ %(memacc_code)s;
+ }
+
+ return No_Fault;
+ }
+}};
+
+
+def template MiscCompleteAcc {{
+ Fault %(class_name)s::completeAcc(uint8_t *data,
+ %(CPU_exec_context)s *xc,
+ Trace::InstRecord *traceData) const
+ {
+ return No_Fault;
+ }
+}};
+
// load instructions use Ra as dest, so check for
// Ra == 31 to detect nops
def template LoadNopCheckDecode {{
@@ -455,13 +602,17 @@ def LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
# select templates
memAccExecTemplate = eval(exec_template_base + 'MemAccExecute')
fullExecTemplate = eval(exec_template_base + 'Execute')
+ initiateAccTemplate = eval(exec_template_base + 'InitiateAcc')
+ completeAccTemplate = eval(exec_template_base + 'CompleteAcc')
# (header_output, decoder_output, decode_block, exec_output)
return (LoadStoreDeclare.subst(iop), LoadStoreConstructor.subst(iop),
decode_template.subst(iop),
EACompExecute.subst(ea_iop)
+ memAccExecTemplate.subst(memacc_iop)
- + fullExecTemplate.subst(iop))
+ + fullExecTemplate.subst(iop)
+ + initiateAccTemplate.subst(iop)
+ + completeAccTemplate.subst(iop))
}};