summaryrefslogtreecommitdiff
path: root/src/arch/sparc
diff options
context:
space:
mode:
Diffstat (limited to 'src/arch/sparc')
-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/isa/operands.isa5
-rw-r--r--src/arch/sparc/isa_traits.hh2
-rw-r--r--src/arch/sparc/process.cc4
-rw-r--r--src/arch/sparc/sparc_traits.hh2
-rw-r--r--src/arch/sparc/types.hh2
9 files changed, 33 insertions, 14 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 f3d15670f..dde327f5c 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/isa/operands.isa b/src/arch/sparc/isa/operands.isa
index 58d616a7a..a627a2e6f 100644
--- a/src/arch/sparc/isa/operands.isa
+++ b/src/arch/sparc/isa/operands.isa
@@ -149,7 +149,8 @@ def operands {{
'Fprs': ('ControlReg', 'udw', 'MISCREG_FPRS', None, 43),
'Pcr': ('ControlReg', 'udw', 'MISCREG_PCR', None, 44),
'Pic': ('ControlReg', 'udw', 'MISCREG_PIC', None, 45),
- 'Gsr': ('ControlReg', 'udw', 'MISCREG_GSR', None, 46),
+# 'Gsr': ('ControlReg', 'udw', 'MISCREG_GSR', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 46),
+ 'Gsr': ('IntReg', 'udw', 'NumIntArchRegs + 8', None, 46),
'Softint': ('ControlReg', 'udw', 'MISCREG_SOFTINT', None, 47),
'SoftintSet': ('ControlReg', 'udw', 'MISCREG_SOFTINT_SET', None, 48),
'SoftintClr': ('ControlReg', 'udw', 'MISCREG_SOFTINT_CLR', None, 49),
@@ -187,7 +188,7 @@ def operands {{
'Hver': ('ControlReg', 'udw', 'MISCREG_HVER', None, 74),
'StrandStsReg': ('ControlReg', 'udw', 'MISCREG_STRAND_STS_REG', None, 75),
- 'Fsr': ('ControlReg', 'udw', 'MISCREG_FSR', None, 80),
+ 'Fsr': ('ControlReg', 'udw', 'MISCREG_FSR', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 80),
# Mem gets a large number so it's always last
'Mem': ('Mem', 'udw', None, ('IsMemRef', 'IsLoad', 'IsStore'), 100)
diff --git a/src/arch/sparc/isa_traits.hh b/src/arch/sparc/isa_traits.hh
index d0b8827f3..8b3ec36a6 100644
--- a/src/arch/sparc/isa_traits.hh
+++ b/src/arch/sparc/isa_traits.hh
@@ -58,7 +58,7 @@ namespace SparcISA
// These enumerate all the registers for dependence tracking.
enum DependenceTags {
- FP_Base_DepTag = 32*3+8,
+ FP_Base_DepTag = 32*3+9,
Ctrl_Base_DepTag = FP_Base_DepTag + 64
};
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);
diff --git a/src/arch/sparc/sparc_traits.hh b/src/arch/sparc/sparc_traits.hh
index d89ec1119..715c08c03 100644
--- a/src/arch/sparc/sparc_traits.hh
+++ b/src/arch/sparc/sparc_traits.hh
@@ -42,7 +42,7 @@ namespace SparcISA
// Number of register windows, can legally be 3 to 32
const int NWindows = 8;
//const int NumMicroIntRegs = 1;
- const int NumMicroIntRegs = 8;
+ const int NumMicroIntRegs = 9;
// const int NumRegularIntRegs = MaxGL * 8 + NWindows * 16;
// const int NumMicroIntRegs = 1;
diff --git a/src/arch/sparc/types.hh b/src/arch/sparc/types.hh
index 15386adca..8bd50b7e8 100644
--- a/src/arch/sparc/types.hh
+++ b/src/arch/sparc/types.hh
@@ -59,7 +59,7 @@ namespace SparcISA
typedef int RegContextVal;
- typedef uint8_t RegIndex;
+ typedef uint16_t RegIndex;
}
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-28 19:33:05 +0000