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-rw-r--r--arch/sparc/faults.cc14
-rw-r--r--arch/sparc/faults.hh26
-rw-r--r--arch/sparc/isa/base.isa6
-rw-r--r--arch/sparc/isa/decoder.isa40
4 files changed, 32 insertions, 54 deletions
diff --git a/arch/sparc/faults.cc b/arch/sparc/faults.cc
index e83bba800..67a89ab0e 100644
--- a/arch/sparc/faults.cc
+++ b/arch/sparc/faults.cc
@@ -215,11 +215,6 @@ TrapType TrapInstruction::_baseTrapType = 0x100;
FaultPriority TrapInstruction::_priority = 16;
FaultStat TrapInstruction::_count;
-FaultName UnimpFault::_name = "Unimplemented Simulator feature";
-TrapType UnimpFault::_trapType = 0x000;
-FaultPriority UnimpFault::_priority = 0;
-FaultStat UnimpFault::_count;
-
#if FULL_SYSTEM
void SparcFault::invoke(ExecContext * xc)
@@ -245,12 +240,15 @@ void SparcFault::invoke(ExecContext * xc)
xc->regs.npc = xc->regs.pc + sizeof(MachInst);*/
}
-void UnimpFault::invoke(ExecContext * xc)
+#endif
+
+#if !FULL_SYSTEM
+
+void TrapInstruction::invoke(ExecContext * xc)
{
- panic("Unimpfault: %s\n", panicStr.c_str());
+ xc->syscall(syscall_num);
}
-
#endif
} // namespace SparcISA
diff --git a/arch/sparc/faults.hh b/arch/sparc/faults.hh
index 87de8daaa..e8fb8dfc5 100644
--- a/arch/sparc/faults.hh
+++ b/arch/sparc/faults.hh
@@ -573,37 +573,19 @@ class TrapInstruction : public EnumeratedFault
static TrapType _baseTrapType;
static FaultPriority _priority;
static FaultStat _count;
+ uint64_t syscall_num;
TrapType baseTrapType() {return _baseTrapType;}
public:
- TrapInstruction(uint32_t n) : EnumeratedFault(n) {;}
+ TrapInstruction(uint32_t n, uint64_t syscall) :
+ EnumeratedFault(n), syscall_num(syscall) {;}
FaultName name() {return _name;}
FaultPriority priority() {return _priority;}
FaultStat & countStat() {return _count;}
-};
-
-class UnimpFault : public SparcFault
-{
- private:
- static FaultName _name;
- static TrapType _trapType;
- static FaultPriority _priority;
- static FaultStat _count;
- std::string panicStr;
- public:
- UnimpFault(std::string _str)
- : panicStr(_str)
- { }
-
- FaultName name() {return _name;}
- TrapType trapType() {return _trapType;}
- FaultPriority priority() {return _priority;}
- FaultStat & countStat() {return _count;}
-#if FULL_SYSTEM
+#if !FULL_SYSTEM
void invoke(ExecContext * xc);
#endif
};
-
} // SparcISA namespace
#endif // __FAULTS_HH__
diff --git a/arch/sparc/isa/base.isa b/arch/sparc/isa/base.isa
index cb370a3e7..8ea11b40e 100644
--- a/arch/sparc/isa/base.isa
+++ b/arch/sparc/isa/base.isa
@@ -99,14 +99,16 @@ def template ROrImmDecode {{
let {{
def splitOutImm(code):
- matcher = re.compile(r'Rs(?P<rNum>\d)_or_imm(?P<iNum>\d+)')
+ matcher = re.compile(r'Rs(?P<rNum>\d)_or_imm(?P<iNum>\d+)(?P<typeQual>\.\w+)?')
rOrImmMatch = matcher.search(code)
if (rOrImmMatch == None):
return (False, code, '', '', '')
rString = rOrImmMatch.group("rNum")
+ if (rOrImmMatch.group("typeQual") != None):
+ rString += rOrImmMatch.group("typeQual")
iString = rOrImmMatch.group("iNum")
orig_code = code
- code = matcher.sub('Rs' + rOrImmMatch.group("rNum"), orig_code)
+ code = matcher.sub('Rs' + rString, orig_code)
imm_code = matcher.sub('imm', orig_code)
return (True, code, imm_code, rString, iString)
}};
diff --git a/arch/sparc/isa/decoder.isa b/arch/sparc/isa/decoder.isa
index b9e83afd6..52ca5d7cd 100644
--- a/arch/sparc/isa/decoder.isa
+++ b/arch/sparc/isa/decoder.isa
@@ -119,11 +119,11 @@ decode OP default Unknown::unknown()
}
}});
0x0F: sdiv({{
- if(Rs2_or_imm13 == 0)
+ if(Rs2_or_imm13.sdw == 0)
fault = new DivisionByZero;
else
{
- Rd.udw = ((YValue << 32) | Rs1.sdw<31:0>) / Rs2_or_imm13;
+ Rd.udw = ((int64_t)((YValue << 32) | Rs1.sdw<31:0>)) / Rs2_or_imm13.sdw;
if(Rd.udw<63:31> != 0)
Rd.udw = 0x7FFFFFFF;
else if(Rd.udw<63:> && Rd.udw<62:31> != 0xFFFFFFFF)
@@ -166,13 +166,13 @@ decode OP default Unknown::unknown()
{{Rs1<63:> == val2<63:> && val2<63:> != resTemp<63:>}}
);
0x1A: umulcc({{
- uint64_t resTemp, val2 = Rs2_or_imm13;
- Rd = resTemp = Rs1.udw<31:0> * val2<31:0>;
+ uint64_t resTemp;
+ Rd = resTemp = Rs1.udw<31:0> * Rs2_or_imm13.udw<31:0>;
YValue = resTemp<63:32>;}},
{{0}},{{0}},{{0}},{{0}});
0x1B: smulcc({{
- int64_t resTemp, val2 = Rs2_or_imm13;
- Rd = resTemp = Rs1.sdw<31:0> * val2<31:0>;
+ int64_t resTemp;
+ Rd = resTemp = Rs1.sdw<31:0> * Rs2_or_imm13.sdw<31:0>;
YValue = resTemp<63:32>;}},
{{0}},{{0}},{{0}},{{0}});
0x1C: subccc({{
@@ -185,11 +185,11 @@ decode OP default Unknown::unknown()
{{Rs1<63:> != val2<63:> && Rs1<63:> != resTemp<63:>}}
);
0x1D: udivxcc({{
- if(Rs2_or_imm13 == 0) fault = new DivisionByZero;
- else Rd = Rs1.udw / Rs2_or_imm13;}}
+ if(Rs2_or_imm13.udw == 0) fault = new DivisionByZero;
+ else Rd = Rs1.udw / Rs2_or_imm13.udw;}}
,{{0}},{{0}},{{0}},{{0}});
0x1E: udivcc({{
- uint32_t resTemp, val2 = Rs2_or_imm13;
+ uint32_t resTemp, val2 = Rs2_or_imm13.udw;
int32_t overflow;
if(val2 == 0) fault = new DivisionByZero;
else
@@ -205,7 +205,7 @@ decode OP default Unknown::unknown()
{{0}}
);
0x1F: sdivcc({{
- int32_t resTemp, val2 = Rs2_or_imm13;
+ int32_t resTemp, val2 = Rs2_or_imm13.sdw;
int32_t overflow, underflow;
if(val2 == 0) fault = new DivisionByZero;
else
@@ -363,8 +363,8 @@ decode OP default Unknown::unknown()
}
}
0x2D: sdivx({{
- if(Rs2_or_imm13 == 0) fault = new DivisionByZero;
- else Rd.sdw = Rs1.sdw / Rs2_or_imm13;
+ if(Rs2_or_imm13.sdw == 0) fault = new DivisionByZero;
+ else Rd.sdw = Rs1.sdw / Rs2_or_imm13.sdw;
}});
0x2E: decode RS1 {
0x0: IntOp::popc({{
@@ -382,12 +382,12 @@ decode OP default Unknown::unknown()
}
0x2F: decode RCOND3
{
- 0x1: movreq({{Rd = (Rs1 == 0) ? Rs2_or_imm10 : Rd;}});
- 0x2: movrle({{Rd = (Rs1 <= 0) ? Rs2_or_imm10 : Rd;}});
- 0x3: movrl({{Rd = (Rs1 < 0) ? Rs2_or_imm10 : Rd;}});
- 0x5: movrne({{Rd = (Rs1 != 0) ? Rs2_or_imm10 : Rd;}});
- 0x6: movrg({{Rd = (Rs1 > 0) ? Rs2_or_imm10 : Rd;}});
- 0x7: movrge({{Rd = (Rs1 >= 0) ? Rs2_or_imm10 : Rd;}});
+ 0x1: movreq({{Rd = (Rs1.sdw == 0) ? Rs2_or_imm10 : Rd;}});
+ 0x2: movrle({{Rd = (Rs1.sdw <= 0) ? Rs2_or_imm10 : Rd;}});
+ 0x3: movrl({{Rd = (Rs1.sdw < 0) ? Rs2_or_imm10 : Rd;}});
+ 0x5: movrne({{Rd = (Rs1.sdw != 0) ? Rs2_or_imm10 : Rd;}});
+ 0x6: movrg({{Rd = (Rs1.sdw > 0) ? Rs2_or_imm10 : Rd;}});
+ 0x7: movrge({{Rd = (Rs1.sdw >= 0) ? Rs2_or_imm10 : Rd;}});
}
0x30: decode RD {
0x0: wry({{Y = Rs1 ^ Rs2_or_imm13;}});
@@ -492,10 +492,6 @@ decode OP default Unknown::unknown()
xc->syscall(R1);
#endif
}
- else
- {
- DPRINTF(Sparc, "Didn't fire on %s\n", CondTestAbbrev[machInst<25:28>]);
- }
}});
0x2: Trap::tccx({{
if(passesCondition(CcrXcc, COND2))
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 21:26:47 +0000