summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/arch/sparc/isa/formats/mem/basicmem.isa6
-rw-r--r--src/arch/sparc/isa/formats/mem/blockmem.isa6
-rw-r--r--src/arch/sparc/isa/formats/mem/swap.isa8
-rw-r--r--src/arch/sparc/isa/formats/mem/util.isa12
-rw-r--r--src/arch/sparc/process.cc4
5 files changed, 27 insertions, 9 deletions
diff --git a/src/arch/sparc/isa/formats/mem/basicmem.isa b/src/arch/sparc/isa/formats/mem/basicmem.isa
index 2f62c7bef..aa6c4cdea 100644
--- a/src/arch/sparc/isa/formats/mem/basicmem.isa
+++ b/src/arch/sparc/isa/formats/mem/basicmem.isa
@@ -57,10 +57,12 @@ let {{
addrCalcImm = 'EA = Rs1 + imm;'
iop = InstObjParams(name, Name, 'Mem',
{"code": code, "postacc_code" : postacc_code,
- "fault_check": faultCode, "ea_code": addrCalcReg}, opt_flags)
+ "fault_check": faultCode, "ea_code": addrCalcReg,
+ "EA_trunc": TruncateEA}, opt_flags)
iop_imm = InstObjParams(name, Name + "Imm", 'MemImm',
{"code": code, "postacc_code" : postacc_code,
- "fault_check": faultCode, "ea_code": addrCalcImm}, opt_flags)
+ "fault_check": faultCode, "ea_code": addrCalcImm,
+ "EA_trunc": TruncateEA}, opt_flags)
header_output = MemDeclare.subst(iop) + MemDeclare.subst(iop_imm)
decoder_output = BasicConstructor.subst(iop) + BasicConstructor.subst(iop_imm)
decode_block = ROrImmDecode.subst(iop)
diff --git a/src/arch/sparc/isa/formats/mem/blockmem.isa b/src/arch/sparc/isa/formats/mem/blockmem.isa
index e19016bd0..ea74ef179 100644
--- a/src/arch/sparc/isa/formats/mem/blockmem.isa
+++ b/src/arch/sparc/isa/formats/mem/blockmem.isa
@@ -298,11 +298,13 @@ let {{
iop = InstObjParams(name, Name, 'BlockMem',
{"code": pcedCode, "ea_code": addrCalcReg,
"fault_check": faultCode, "micro_pc": microPc,
- "set_flags": flag_code}, opt_flags)
+ "set_flags": flag_code, "EA_trunc" : TruncateEA},
+ opt_flags)
iop_imm = InstObjParams(name, Name + 'Imm', 'BlockMemImm',
{"code": pcedCode, "ea_code": addrCalcImm,
"fault_check": faultCode, "micro_pc": microPc,
- "set_flags": flag_code}, opt_flags)
+ "set_flags": flag_code, "EA_trunc" : TruncateEA},
+ opt_flags)
decoder_output += BlockMemMicroConstructor.subst(iop)
decoder_output += BlockMemMicroConstructor.subst(iop_imm)
exec_output += doDualSplitExecute(
diff --git a/src/arch/sparc/isa/formats/mem/swap.isa b/src/arch/sparc/isa/formats/mem/swap.isa
index b71542a2b..3814d1030 100644
--- a/src/arch/sparc/isa/formats/mem/swap.isa
+++ b/src/arch/sparc/isa/formats/mem/swap.isa
@@ -51,6 +51,7 @@ def template SwapExecute {{
}
if(storeCond && fault == NoFault)
{
+ %(EA_trunc)s
fault = xc->write((uint%(mem_acc_size)s_t)Mem,
EA, %(asi_val)s, &mem_data);
}
@@ -91,6 +92,7 @@ def template SwapInitiateAcc {{
}
if(fault == NoFault)
{
+ %(EA_trunc)s
fault = xc->write((uint%(mem_acc_size)s_t)Mem,
EA, %(asi_val)s, &mem_data);
}
@@ -157,12 +159,14 @@ let {{
addrCalcReg = 'EA = Rs1;'
iop = InstObjParams(name, Name, 'Mem',
{"code": code, "postacc_code" : postacc_code,
- "fault_check": faultCode, "ea_code": addrCalcReg}, opt_flags)
+ "fault_check": faultCode, "ea_code": addrCalcReg,
+ "EA_trunc" : TruncateEA}, opt_flags)
header_output = MemDeclare.subst(iop)
decoder_output = BasicConstructor.subst(iop)
decode_block = BasicDecode.subst(iop)
microParams = {"code": code, "postacc_code" : postacc_code,
- "ea_code" : addrCalcReg, "fault_check" : faultCode}
+ "ea_code" : addrCalcReg, "fault_check" : faultCode,
+ "EA_trunc" : TruncateEA}
exec_output = doSplitExecute(execute, name, Name, asi,
["IsStoreConditional"], microParams);
return (header_output, decoder_output, exec_output, decode_block)
diff --git a/src/arch/sparc/isa/formats/mem/util.isa b/src/arch/sparc/isa/formats/mem/util.isa
index dfe937371..38cde9a50 100644
--- a/src/arch/sparc/isa/formats/mem/util.isa
+++ b/src/arch/sparc/isa/formats/mem/util.isa
@@ -149,6 +149,7 @@ def template LoadExecute {{
%(fault_check)s;
if(fault == NoFault)
{
+ %(EA_trunc)s
fault = xc->read(EA, (%(mem_acc_type)s%(mem_acc_size)s_t&)Mem, %(asi_val)s);
}
if(fault == NoFault)
@@ -179,6 +180,7 @@ def template LoadInitiateAcc {{
%(fault_check)s;
if(fault == NoFault)
{
+ %(EA_trunc)s
fault = xc->read(EA, (%(mem_acc_type)s%(mem_acc_size)s_t&)Mem, %(asi_val)s);
}
return fault;
@@ -224,6 +226,7 @@ def template StoreExecute {{
}
if(storeCond && fault == NoFault)
{
+ %(EA_trunc)s
fault = xc->write((%(mem_acc_type)s%(mem_acc_size)s_t)Mem,
EA, %(asi_val)s, 0);
}
@@ -257,6 +260,7 @@ def template StoreInitiateAcc {{
}
if(storeCond && fault == NoFault)
{
+ %(EA_trunc)s
fault = xc->write((%(mem_acc_type)s%(mem_acc_size)s_t)Mem,
EA, %(asi_val)s, 0);
}
@@ -317,6 +321,11 @@ let {{
fault = new PrivilegedAction;
'''
+ TruncateEA = '''
+#if !FULL_SYSTEM
+ EA = Pstate<3:> ? EA<31:0> : EA;
+#endif
+ '''
}};
//A simple function to generate the name of the macro op of a certain
@@ -346,7 +355,8 @@ let {{
(eaRegCode, nameReg, NameReg),
(eaImmCode, nameImm, NameImm)):
microParams = {"code": code, "postacc_code" : postacc_code,
- "ea_code": eaCode, "fault_check": faultCode}
+ "ea_code": eaCode, "fault_check": faultCode,
+ "EA_trunc" : TruncateEA}
executeCode += doSplitExecute(execute, name, Name,
asi, opt_flags, microParams)
return executeCode
diff --git a/src/arch/sparc/process.cc b/src/arch/sparc/process.cc
index e4774ab54..11fa9be28 100644
--- a/src/arch/sparc/process.cc
+++ b/src/arch/sparc/process.cc
@@ -87,8 +87,8 @@ Sparc32LiveProcess::startup()
//From the SPARC ABI
- //The process runs in user mode
- threadContexts[0]->setMiscReg(MISCREG_PSTATE, 0x02);
+ //The process runs in user mode with 32 bit addresses
+ threadContexts[0]->setMiscReg(MISCREG_PSTATE, 0x0a);
//Setup default FP state
threadContexts[0]->setMiscRegNoEffect(MISCREG_FSR, 0);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-24 04:10:26 +0000