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-rw-r--r--src/arch/arm/isa/insts/ldr.isa46
-rw-r--r--src/arch/arm/isa/insts/macromem.isa38
-rw-r--r--src/arch/arm/isa/insts/mem.isa42
-rw-r--r--src/arch/arm/isa/insts/str.isa37
4 files changed, 121 insertions, 42 deletions
diff --git a/src/arch/arm/isa/insts/ldr.isa b/src/arch/arm/isa/insts/ldr.isa
index a936ffaaf..38a458b23 100644
--- a/src/arch/arm/isa/insts/ldr.isa
+++ b/src/arch/arm/isa/insts/ldr.isa
@@ -67,7 +67,7 @@ let {{
self.memFlags = ["ArmISA::TLB::MustBeOne"]
self.codeBlobs = {"postacc_code" : ""}
- def emitHelper(self, base = 'Memory'):
+ def emitHelper(self, base = 'Memory', wbDecl = None):
global header_output, decoder_output, exec_output
@@ -76,7 +76,7 @@ let {{
(newHeader,
newDecoder,
newExec) = self.fillTemplates(self.name, self.Name, codeBlobs,
- self.memFlags, [], base)
+ self.memFlags, [], base, wbDecl)
header_output += newHeader
decoder_output += newDecoder
@@ -113,22 +113,36 @@ let {{
Cpsr = ~CondCodesMask & newCpsr;
CondCodes = CondCodesMask & newCpsr;
'''
- if self.writeback:
- accCode += "Base = Base + %s;\n" % wbDiff
self.codeBlobs["memacc_code"] = accCode
- self.emitHelper('RfeOp')
+ wbDecl = None
+ if self.writeback:
+ wbDecl = "MicroAddiUop(machInst, base, base, %d);" % wbDiff
+ self.emitHelper('RfeOp', wbDecl)
class LoadImmInst(LoadInst):
def __init__(self, *args, **kargs):
super(LoadImmInst, self).__init__(*args, **kargs)
self.offset = self.op + " imm"
+ if self.add:
+ self.wbDecl = "MicroAddiUop(machInst, base, base, imm);"
+ else:
+ self.wbDecl = "MicroSubiUop(machInst, base, base, imm);"
+
class LoadRegInst(LoadInst):
def __init__(self, *args, **kargs):
super(LoadRegInst, self).__init__(*args, **kargs)
self.offset = self.op + " shift_rm_imm(Index, shiftAmt," + \
" shiftType, CondCodes<29:>)"
+ if self.add:
+ self.wbDecl = '''
+ MicroAddUop(machInst, base, base, wbIndexReg, shiftAmt, shiftType);
+ '''
+ else:
+ self.wbDecl = '''
+ MicroSubUop(machInst, base, base, wbIndexReg, shiftAmt, shiftType);
+ '''
class LoadSingle(LoadInst):
def __init__(self, *args, **kargs):
@@ -175,20 +189,20 @@ let {{
accCode = "IWDest = cSwap(Mem%s, ((CPSR)Cpsr).e);"
accCode = accCode % buildMemSuffix(self.sign, self.size)
- if self.writeback:
- accCode += "Base = Base %s;\n" % self.offset
-
self.codeBlobs["memacc_code"] = accCode
# Push it out to the output files
base = buildMemBase(self.basePrefix, self.post, self.writeback)
- self.emitHelper(base)
+ wbDecl = None
+ if self.writeback:
+ wbDecl = self.wbDecl
+ self.emitHelper(base, wbDecl)
def loadImmClassName(post, add, writeback, size=4, sign=False, user=False):
return memClassName("LOAD_IMM", post, add, writeback, size, sign, user)
class LoadImm(LoadImmInst, LoadSingle):
- decConstBase = 'LoadStoreImm'
+ decConstBase = 'LoadImm'
basePrefix = 'MemoryImm'
nameFunc = staticmethod(loadImmClassName)
@@ -196,7 +210,7 @@ let {{
return memClassName("LOAD_REG", post, add, writeback, size, sign, user)
class LoadReg(LoadRegInst, LoadSingle):
- decConstBase = 'LoadStoreReg'
+ decConstBase = 'LoadReg'
basePrefix = 'MemoryReg'
nameFunc = staticmethod(loadRegClassName)
@@ -244,14 +258,14 @@ let {{
FpDest2.uw = (uint32_t)(swappedMem >> 32);
'''
- if self.writeback:
- accCode += "Base = Base %s;\n" % self.offset
-
self.codeBlobs["memacc_code"] = accCode
# Push it out to the output files
base = buildMemBase(self.basePrefix, self.post, self.writeback)
- self.emitHelper(base)
+ wbDecl = None
+ if self.writeback:
+ wbDecl = self.wbDecl
+ self.emitHelper(base, wbDecl)
def loadDoubleImmClassName(post, add, writeback):
return memClassName("LOAD_IMMD", post, add, writeback, 4, False, False)
@@ -265,7 +279,7 @@ let {{
return memClassName("LOAD_REGD", post, add, writeback, 4, False, False)
class LoadDoubleReg(LoadRegInst, LoadDouble):
- decConstBase = 'LoadStoreDReg'
+ decConstBase = 'LoadDReg'
basePrefix = 'MemoryDReg'
nameFunc = staticmethod(loadDoubleRegClassName)
diff --git a/src/arch/arm/isa/insts/macromem.isa b/src/arch/arm/isa/insts/macromem.isa
index bcb1e26b8..f595f4043 100644
--- a/src/arch/arm/isa/insts/macromem.isa
+++ b/src/arch/arm/isa/insts/macromem.isa
@@ -575,8 +575,12 @@ let {{
['IsMicroop'])
microAddUopIop = InstObjParams('add_uop', 'MicroAddUop',
- 'MicroIntOp',
- {'code': 'Ra = Rb + Rc;',
+ 'MicroIntRegOp',
+ {'code':
+ '''Ra = Rb + shift_rm_imm(Rc, shiftAmt,
+ shiftType,
+ CondCodes<29:>);
+ ''',
'predicate_test': predicateTest},
['IsMicroop'])
@@ -586,15 +590,39 @@ let {{
'predicate_test': predicateTest},
['IsMicroop'])
+ microSubUopIop = InstObjParams('sub_uop', 'MicroSubUop',
+ 'MicroIntRegOp',
+ {'code':
+ '''Ra = Rb - shift_rm_imm(Rc, shiftAmt,
+ shiftType,
+ CondCodes<29:>);
+ ''',
+ 'predicate_test': predicateTest},
+ ['IsMicroop'])
+
+ microUopRegMovIop = InstObjParams('uopReg_uop', 'MicroUopRegMov',
+ 'MicroIntMov',
+ {'code': 'IWRa = Rb;',
+ 'predicate_test': predicateTest},
+ ['IsMicroop'])
+
header_output = MicroIntImmDeclare.subst(microAddiUopIop) + \
MicroIntImmDeclare.subst(microSubiUopIop) + \
- MicroIntDeclare.subst(microAddUopIop)
+ MicroIntRegDeclare.subst(microAddUopIop) + \
+ MicroIntRegDeclare.subst(microSubUopIop) + \
+ MicroIntMovDeclare.subst(microUopRegMovIop)
+
decoder_output = MicroIntImmConstructor.subst(microAddiUopIop) + \
MicroIntImmConstructor.subst(microSubiUopIop) + \
- MicroIntConstructor.subst(microAddUopIop)
+ MicroIntRegConstructor.subst(microAddUopIop) + \
+ MicroIntRegConstructor.subst(microSubUopIop) + \
+ MicroIntMovConstructor.subst(microUopRegMovIop)
+
exec_output = PredOpExecute.subst(microAddiUopIop) + \
PredOpExecute.subst(microSubiUopIop) + \
- PredOpExecute.subst(microAddUopIop)
+ PredOpExecute.subst(microAddUopIop) + \
+ PredOpExecute.subst(microSubUopIop) + \
+ PredOpExecute.subst(microUopRegMovIop)
}};
let {{
diff --git a/src/arch/arm/isa/insts/mem.isa b/src/arch/arm/isa/insts/mem.isa
index aa47d5b7f..507f8cd4b 100644
--- a/src/arch/arm/isa/insts/mem.isa
+++ b/src/arch/arm/isa/insts/mem.isa
@@ -48,7 +48,7 @@ let {{
self.constructTemplate = eval(self.decConstBase + 'Constructor')
def fillTemplates(self, name, Name, codeBlobs, memFlags, instFlags,
- base = 'Memory'):
+ base = 'Memory', wbDecl = None):
# Make sure flags are in lists (convert to lists if not).
memFlags = makeList(memFlags)
instFlags = makeList(instFlags)
@@ -62,14 +62,38 @@ let {{
codeBlobs["ea_code"] = eaCode
- iop = InstObjParams(name, Name, base, codeBlobs, instFlags)
-
- # (header_output, decoder_output, decode_block, exec_output)
- return (self.declareTemplate.subst(iop),
- self.constructTemplate.subst(iop),
- self.fullExecTemplate.subst(iop)
- + self.initiateAccTemplate.subst(iop)
- + self.completeAccTemplate.subst(iop))
+ macroName = Name
+ instFlagsCopy = list(instFlags)
+ codeBlobsCopy = dict(codeBlobs)
+ if wbDecl is not None:
+ instFlagsCopy.append('IsMicroop')
+ Name = Name + 'Acc'
+ codeBlobsCopy['acc_name'] = Name
+ codeBlobsCopy['wb_decl'] = wbDecl
+ codeBlobsCopy['use_uops'] = 0
+
+ iop = InstObjParams(name, Name, base,
+ codeBlobsCopy, instFlagsCopy)
+
+ header_output = self.declareTemplate.subst(iop)
+ decoder_output = self.constructTemplate.subst(iop)
+ exec_output = self.fullExecTemplate.subst(iop) + \
+ self.initiateAccTemplate.subst(iop) + \
+ self.completeAccTemplate.subst(iop)
+
+ if wbDecl is not None:
+ iop = InstObjParams(name, macroName, base,
+ { "wb_decl" : wbDecl,
+ "acc_name" : Name,
+ "use_uops" : 1 },
+ ['IsMacroop'])
+ header_output += self.declareTemplate.subst(iop)
+ decoder_output += self.constructTemplate.subst(iop)
+ exec_output += PanicExecute.subst(iop) + \
+ PanicInitiateAcc.subst(iop) + \
+ PanicCompleteAcc.subst(iop)
+
+ return (header_output, decoder_output, exec_output)
def pickPredicate(blobs):
for val in blobs.values():
diff --git a/src/arch/arm/isa/insts/str.isa b/src/arch/arm/isa/insts/str.isa
index 66a486ecf..ff98c58d2 100644
--- a/src/arch/arm/isa/insts/str.isa
+++ b/src/arch/arm/isa/insts/str.isa
@@ -67,7 +67,7 @@ let {{
self.memFlags = ["ArmISA::TLB::MustBeOne"]
self.codeBlobs = { "postacc_code" : "" }
- def emitHelper(self, base = 'Memory'):
+ def emitHelper(self, base = 'Memory', wbDecl = None):
global header_output, decoder_output, exec_output
@@ -76,7 +76,7 @@ let {{
(newHeader,
newDecoder,
newExec) = self.fillTemplates(self.name, self.Name, codeBlobs,
- self.memFlags, [], base)
+ self.memFlags, [], base, wbDecl)
header_output += newHeader
decoder_output += newDecoder
@@ -137,11 +137,24 @@ let {{
super(StoreImmInst, self).__init__(*args, **kargs)
self.offset = self.op + " imm"
+ if self.add:
+ self.wbDecl = "MicroAddiUop(machInst, base, base, imm);"
+ else:
+ self.wbDecl = "MicroSubiUop(machInst, base, base, imm);"
+
class StoreRegInst(StoreInst):
def __init__(self, *args, **kargs):
super(StoreRegInst, self).__init__(*args, **kargs)
self.offset = self.op + " shift_rm_imm(Index, shiftAmt," + \
" shiftType, CondCodes<29:>)"
+ if self.add:
+ self.wbDecl = '''
+ MicroAddUop(machInst, base, base, index, shiftAmt, shiftType);
+ '''
+ else:
+ self.wbDecl = '''
+ MicroSubUop(machInst, base, base, index, shiftAmt, shiftType);
+ '''
class StoreSingle(StoreInst):
def __init__(self, *args, **kargs):
@@ -186,14 +199,14 @@ let {{
accCode = accCode % \
{ "suffix" : buildMemSuffix(self.sign, self.size) }
- if self.writeback:
- accCode += "Base = Base %s;\n" % self.offset
-
self.codeBlobs["memacc_code"] = accCode
# Push it out to the output files
base = buildMemBase(self.basePrefix, self.post, self.writeback)
- self.emitHelper(base)
+ wbDecl = None
+ if self.writeback:
+ wbDecl = self.wbDecl
+ self.emitHelper(base, wbDecl)
def storeImmClassName(post, add, writeback, size=4, sign=False, user=False):
return memClassName("STORE_IMM", post, add, writeback, size, sign, user)
@@ -217,7 +230,7 @@ let {{
return memClassName("STORE_REG", post, add, writeback, size, sign, user)
class StoreReg(StoreRegInst, StoreSingle):
- decConstBase = 'LoadStoreReg'
+ decConstBase = 'StoreReg'
basePrefix = 'MemoryReg'
nameFunc = staticmethod(storeRegClassName)
@@ -265,14 +278,14 @@ let {{
((uint64_t)cSwap(Dest2.uw, cpsr.e) << 32);
'''
- if self.writeback:
- accCode += "Base = Base %s;\n" % self.offset
-
self.codeBlobs["memacc_code"] = accCode
# Push it out to the output files
base = buildMemBase(self.basePrefix, self.post, self.writeback)
- self.emitHelper(base)
+ wbDecl = None
+ if self.writeback:
+ wbDecl = self.wbDecl
+ self.emitHelper(base, wbDecl)
def storeDoubleImmClassName(post, add, writeback):
return memClassName("STORE_IMMD", post, add, writeback, 4, False, False)
@@ -296,7 +309,7 @@ let {{
return memClassName("STORE_REGD", post, add, writeback, 4, False, False)
class StoreDoubleReg(StoreRegInst, StoreDouble):
- decConstBase = 'LoadStoreDReg'
+ decConstBase = 'StoreDReg'
basePrefix = 'MemoryDReg'
nameFunc = staticmethod(storeDoubleRegClassName)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 18:09:03 +0000