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-rw-r--r--src/arch/arm/faults.cc6
-rw-r--r--src/arch/arm/faults.hh7
-rw-r--r--src/arch/arm/insts/static_inst.hh11
-rw-r--r--src/arch/arm/isa.cc17
-rw-r--r--src/arch/arm/isa/insts/fp.isa146
-rw-r--r--src/arch/arm/isa/insts/neon.isa41
-rw-r--r--src/arch/arm/isa/operands.isa1
-rw-r--r--src/arch/arm/isa/templates/vfp.isa12
-rw-r--r--src/arch/arm/miscregs.hh6
-rw-r--r--src/arch/arm/process.cc12
-rw-r--r--src/arch/arm/utility.hh19
11 files changed, 172 insertions, 106 deletions
diff --git a/src/arch/arm/faults.cc b/src/arch/arm/faults.cc
index 793f9d3a4..79973185d 100644
--- a/src/arch/arm/faults.cc
+++ b/src/arch/arm/faults.cc
@@ -159,8 +159,12 @@ Reset::invoke(ThreadContext *tc)
void
UndefinedInstruction::invoke(ThreadContext *tc)
{
+ // If the mnemonic isn't defined this has to be an unknown instruction.
assert(unknown || mnemonic != NULL);
- if (unknown) {
+ if (disabled) {
+ panic("Attempted to execute disabled instruction "
+ "'%s' (inst 0x%08x)", mnemonic, machInst);
+ } else if (unknown) {
panic("Attempted to execute unknown instruction (inst 0x%08x)",
machInst);
} else {
diff --git a/src/arch/arm/faults.hh b/src/arch/arm/faults.hh
index f9d25abdf..7dd881435 100644
--- a/src/arch/arm/faults.hh
+++ b/src/arch/arm/faults.hh
@@ -153,12 +153,15 @@ class UndefinedInstruction : public ArmFaultVals<UndefinedInstruction>
ExtMachInst machInst;
bool unknown;
const char *mnemonic;
+ bool disabled;
public:
UndefinedInstruction(ExtMachInst _machInst,
bool _unknown,
- const char *_mnemonic = NULL) :
- machInst(_machInst), unknown(_unknown), mnemonic(_mnemonic)
+ const char *_mnemonic = NULL,
+ bool _disabled = false) :
+ machInst(_machInst), unknown(_unknown),
+ mnemonic(_mnemonic), disabled(_disabled)
{
}
diff --git a/src/arch/arm/insts/static_inst.hh b/src/arch/arm/insts/static_inst.hh
index e98f85a3b..7ea3405af 100644
--- a/src/arch/arm/insts/static_inst.hh
+++ b/src/arch/arm/insts/static_inst.hh
@@ -42,6 +42,7 @@
#ifndef __ARCH_ARM_INSTS_STATICINST_HH__
#define __ARCH_ARM_INSTS_STATICINST_HH__
+#include "arch/arm/faults.hh"
#include "base/trace.hh"
#include "cpu/static_inst.hh"
@@ -319,6 +320,16 @@ class ArmStaticInst : public StaticInst
setNextPC(xc, val);
}
}
+
+ inline Fault
+ disabledFault() const
+ {
+#if FULL_SYSTEM
+ return new UndefinedInstruction();
+#else
+ return new UndefinedInstruction(machInst, false, mnemonic, true);
+#endif
+ }
};
}
diff --git a/src/arch/arm/isa.cc b/src/arch/arm/isa.cc
index ac012fc3c..7991dbfb7 100644
--- a/src/arch/arm/isa.cc
+++ b/src/arch/arm/isa.cc
@@ -66,17 +66,6 @@ ISA::clear()
miscRegs[MISCREG_SCTLR] = sctlr;
miscRegs[MISCREG_SCTLR_RST] = sctlr_rst;
-
- /*
- * Technically this should be 0, but we don't support those
- * settings.
- */
- CPACR cpacr = 0;
- // Enable CP 10, 11
- cpacr.cp10 = 0x3;
- cpacr.cp11 = 0x3;
- miscRegs[MISCREG_CPACR] = cpacr;
-
/* Start with an event in the mailbox */
miscRegs[MISCREG_SEV_MAILBOX] = 1;
@@ -278,9 +267,9 @@ ISA::setMiscReg(int misc_reg, const MiscReg &val, ThreadContext *tc)
CPACR valCpacr = val;
newCpacr.cp10 = valCpacr.cp10;
newCpacr.cp11 = valCpacr.cp11;
- if (newCpacr.cp10 != 0x3 || newCpacr.cp11 != 3) {
- panic("Disabling coprocessors isn't implemented.\n");
- }
+ //XXX d32dis isn't implemented. The manual says whether or not
+ //it works is implementation defined.
+ newCpacr.asedis = valCpacr.asedis;
newVal = newCpacr;
}
break;
diff --git a/src/arch/arm/isa/insts/fp.isa b/src/arch/arm/isa/insts/fp.isa
index 9748c8a49..51a6b1e4e 100644
--- a/src/arch/arm/isa/insts/fp.isa
+++ b/src/arch/arm/isa/insts/fp.isa
@@ -192,14 +192,16 @@ let {{
exec_output = ""
vmsrIop = InstObjParams("vmsr", "Vmsr", "FpRegRegOp",
- { "code": "MiscDest = Op1;",
+ { "code": vmsrrsEnabledCheckCode + \
+ "MiscDest = Op1;",
"predicate_test": predicateTest }, [])
header_output += FpRegRegOpDeclare.subst(vmsrIop);
decoder_output += FpRegRegOpConstructor.subst(vmsrIop);
exec_output += PredOpExecute.subst(vmsrIop);
vmrsIop = InstObjParams("vmrs", "Vmrs", "FpRegRegOp",
- { "code": "Dest = MiscOp1;",
+ { "code": vmsrrsEnabledCheckCode + \
+ "Dest = MiscOp1;",
"predicate_test": predicateTest }, [])
header_output += FpRegRegOpDeclare.subst(vmrsIop);
decoder_output += FpRegRegOpConstructor.subst(vmrsIop);
@@ -213,7 +215,7 @@ let {{
decoder_output += FpRegRegImmOpConstructor.subst(vmrsApsrIop);
exec_output += PredOpExecute.subst(vmrsApsrIop);
- vmovImmSCode = '''
+ vmovImmSCode = vfpEnabledCheckCode + '''
FpDest.uw = bits(imm, 31, 0);
'''
vmovImmSIop = InstObjParams("vmov", "VmovImmS", "FpRegImmOp",
@@ -223,7 +225,7 @@ let {{
decoder_output += FpRegImmOpConstructor.subst(vmovImmSIop);
exec_output += PredOpExecute.subst(vmovImmSIop);
- vmovImmDCode = '''
+ vmovImmDCode = vfpEnabledCheckCode + '''
FpDestP0.uw = bits(imm, 31, 0);
FpDestP1.uw = bits(imm, 63, 32);
'''
@@ -234,7 +236,7 @@ let {{
decoder_output += FpRegImmOpConstructor.subst(vmovImmDIop);
exec_output += PredOpExecute.subst(vmovImmDIop);
- vmovImmQCode = '''
+ vmovImmQCode = vfpEnabledCheckCode + '''
FpDestP0.uw = bits(imm, 31, 0);
FpDestP1.uw = bits(imm, 63, 32);
FpDestP2.uw = bits(imm, 31, 0);
@@ -247,7 +249,7 @@ let {{
decoder_output += FpRegImmOpConstructor.subst(vmovImmQIop);
exec_output += PredOpExecute.subst(vmovImmQIop);
- vmovRegSCode = '''
+ vmovRegSCode = vfpEnabledCheckCode + '''
FpDest.uw = FpOp1.uw;
'''
vmovRegSIop = InstObjParams("vmov", "VmovRegS", "FpRegRegOp",
@@ -257,7 +259,7 @@ let {{
decoder_output += FpRegRegOpConstructor.subst(vmovRegSIop);
exec_output += PredOpExecute.subst(vmovRegSIop);
- vmovRegDCode = '''
+ vmovRegDCode = vfpEnabledCheckCode + '''
FpDestP0.uw = FpOp1P0.uw;
FpDestP1.uw = FpOp1P1.uw;
'''
@@ -268,7 +270,7 @@ let {{
decoder_output += FpRegRegOpConstructor.subst(vmovRegDIop);
exec_output += PredOpExecute.subst(vmovRegDIop);
- vmovRegQCode = '''
+ vmovRegQCode = vfpEnabledCheckCode + '''
FpDestP0.uw = FpOp1P0.uw;
FpDestP1.uw = FpOp1P1.uw;
FpDestP2.uw = FpOp1P2.uw;
@@ -281,7 +283,7 @@ let {{
decoder_output += FpRegRegOpConstructor.subst(vmovRegQIop);
exec_output += PredOpExecute.subst(vmovRegQIop);
- vmovCoreRegBCode = '''
+ vmovCoreRegBCode = vfpEnabledCheckCode + '''
FpDest.uw = insertBits(FpDest.uw, imm * 8 + 7, imm * 8, Op1.ub);
'''
vmovCoreRegBIop = InstObjParams("vmov", "VmovCoreRegB", "FpRegRegImmOp",
@@ -291,7 +293,7 @@ let {{
decoder_output += FpRegRegImmOpConstructor.subst(vmovCoreRegBIop);
exec_output += PredOpExecute.subst(vmovCoreRegBIop);
- vmovCoreRegHCode = '''
+ vmovCoreRegHCode = vfpEnabledCheckCode + '''
FpDest.uw = insertBits(FpDest.uw, imm * 16 + 15, imm * 16, Op1.uh);
'''
vmovCoreRegHIop = InstObjParams("vmov", "VmovCoreRegH", "FpRegRegImmOp",
@@ -301,7 +303,7 @@ let {{
decoder_output += FpRegRegImmOpConstructor.subst(vmovCoreRegHIop);
exec_output += PredOpExecute.subst(vmovCoreRegHIop);
- vmovCoreRegWCode = '''
+ vmovCoreRegWCode = vfpEnabledCheckCode + '''
FpDest.uw = Op1.uw;
'''
vmovCoreRegWIop = InstObjParams("vmov", "VmovCoreRegW", "FpRegRegOp",
@@ -311,7 +313,7 @@ let {{
decoder_output += FpRegRegOpConstructor.subst(vmovCoreRegWIop);
exec_output += PredOpExecute.subst(vmovCoreRegWIop);
- vmovRegCoreUBCode = '''
+ vmovRegCoreUBCode = vfpEnabledCheckCode + '''
assert(imm < 4);
Dest = bits(FpOp1.uw, imm * 8 + 7, imm * 8);
'''
@@ -322,7 +324,7 @@ let {{
decoder_output += FpRegRegImmOpConstructor.subst(vmovRegCoreUBIop);
exec_output += PredOpExecute.subst(vmovRegCoreUBIop);
- vmovRegCoreUHCode = '''
+ vmovRegCoreUHCode = vfpEnabledCheckCode + '''
assert(imm < 2);
Dest = bits(FpOp1.uw, imm * 16 + 15, imm * 16);
'''
@@ -333,7 +335,7 @@ let {{
decoder_output += FpRegRegImmOpConstructor.subst(vmovRegCoreUHIop);
exec_output += PredOpExecute.subst(vmovRegCoreUHIop);
- vmovRegCoreSBCode = '''
+ vmovRegCoreSBCode = vfpEnabledCheckCode + '''
assert(imm < 4);
Dest = sext<8>(bits(FpOp1.uw, imm * 8 + 7, imm * 8));
'''
@@ -344,7 +346,7 @@ let {{
decoder_output += FpRegRegImmOpConstructor.subst(vmovRegCoreSBIop);
exec_output += PredOpExecute.subst(vmovRegCoreSBIop);
- vmovRegCoreSHCode = '''
+ vmovRegCoreSHCode = vfpEnabledCheckCode + '''
assert(imm < 2);
Dest = sext<16>(bits(FpOp1.uw, imm * 16 + 15, imm * 16));
'''
@@ -355,7 +357,7 @@ let {{
decoder_output += FpRegRegImmOpConstructor.subst(vmovRegCoreSHIop);
exec_output += PredOpExecute.subst(vmovRegCoreSHIop);
- vmovRegCoreWCode = '''
+ vmovRegCoreWCode = vfpEnabledCheckCode + '''
Dest = FpOp1.uw;
'''
vmovRegCoreWIop = InstObjParams("vmov", "VmovRegCoreW", "FpRegRegOp",
@@ -365,7 +367,7 @@ let {{
decoder_output += FpRegRegOpConstructor.subst(vmovRegCoreWIop);
exec_output += PredOpExecute.subst(vmovRegCoreWIop);
- vmov2Reg2CoreCode = '''
+ vmov2Reg2CoreCode = vfpEnabledCheckCode + '''
FpDestP0.uw = Op1.uw;
FpDestP1.uw = Op2.uw;
'''
@@ -376,7 +378,7 @@ let {{
decoder_output += FpRegRegRegOpConstructor.subst(vmov2Reg2CoreIop);
exec_output += PredOpExecute.subst(vmov2Reg2CoreIop);
- vmov2Core2RegCode = '''
+ vmov2Core2RegCode = vfpEnabledCheckCode + '''
Dest.uw = FpOp2P0.uw;
Op1.uw = FpOp2P1.uw;
'''
@@ -394,7 +396,7 @@ let {{
decoder_output = ""
exec_output = ""
- singleCode = '''
+ singleCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
FpDest = %(op)s;
Fpscr = fpscr;
@@ -402,7 +404,7 @@ let {{
singleBinOp = "binaryOp(fpscr, FpOp1, FpOp2," + \
"%(func)s, fpscr.fz, fpscr.dn, fpscr.rMode)"
singleUnaryOp = "unaryOp(fpscr, FpOp1, %(func)s, fpscr.fz, fpscr.rMode)"
- doubleCode = '''
+ doubleCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
double dest = %(op)s;
Fpscr = fpscr;
@@ -500,7 +502,7 @@ let {{
decoder_output = ""
exec_output = ""
- vmlaSCode = '''
+ vmlaSCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
float mid = binaryOp(fpscr, FpOp1, FpOp2,
fpMulS, fpscr.fz, fpscr.dn, fpscr.rMode);
@@ -515,7 +517,7 @@ let {{
decoder_output += FpRegRegRegOpConstructor.subst(vmlaSIop);
exec_output += PredOpExecute.subst(vmlaSIop);
- vmlaDCode = '''
+ vmlaDCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
double mid = binaryOp(fpscr, dbl(FpOp1P0.uw, FpOp1P1.uw),
dbl(FpOp2P0.uw, FpOp2P1.uw),
@@ -534,7 +536,7 @@ let {{
decoder_output += FpRegRegRegOpConstructor.subst(vmlaDIop);
exec_output += PredOpExecute.subst(vmlaDIop);
- vmlsSCode = '''
+ vmlsSCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
float mid = binaryOp(fpscr, FpOp1, FpOp2,
fpMulS, fpscr.fz, fpscr.dn, fpscr.rMode);
@@ -549,7 +551,7 @@ let {{
decoder_output += FpRegRegRegOpConstructor.subst(vmlsSIop);
exec_output += PredOpExecute.subst(vmlsSIop);
- vmlsDCode = '''
+ vmlsDCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
double mid = binaryOp(fpscr, dbl(FpOp1P0.uw, FpOp1P1.uw),
dbl(FpOp2P0.uw, FpOp2P1.uw),
@@ -568,7 +570,7 @@ let {{
decoder_output += FpRegRegRegOpConstructor.subst(vmlsDIop);
exec_output += PredOpExecute.subst(vmlsDIop);
- vnmlaSCode = '''
+ vnmlaSCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
float mid = binaryOp(fpscr, FpOp1, FpOp2,
fpMulS, fpscr.fz, fpscr.dn, fpscr.rMode);
@@ -583,7 +585,7 @@ let {{
decoder_output += FpRegRegRegOpConstructor.subst(vnmlaSIop);
exec_output += PredOpExecute.subst(vnmlaSIop);
- vnmlaDCode = '''
+ vnmlaDCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
double mid = binaryOp(fpscr, dbl(FpOp1P0.uw, FpOp1P1.uw),
dbl(FpOp2P0.uw, FpOp2P1.uw),
@@ -602,7 +604,7 @@ let {{
decoder_output += FpRegRegRegOpConstructor.subst(vnmlaDIop);
exec_output += PredOpExecute.subst(vnmlaDIop);
- vnmlsSCode = '''
+ vnmlsSCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
float mid = binaryOp(fpscr, FpOp1, FpOp2,
fpMulS, fpscr.fz, fpscr.dn, fpscr.rMode);
@@ -617,7 +619,7 @@ let {{
decoder_output += FpRegRegRegOpConstructor.subst(vnmlsSIop);
exec_output += PredOpExecute.subst(vnmlsSIop);
- vnmlsDCode = '''
+ vnmlsDCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
double mid = binaryOp(fpscr, dbl(FpOp1P0.uw, FpOp1P1.uw),
dbl(FpOp2P0.uw, FpOp2P1.uw),
@@ -636,7 +638,7 @@ let {{
decoder_output += FpRegRegRegOpConstructor.subst(vnmlsDIop);
exec_output += PredOpExecute.subst(vnmlsDIop);
- vnmulSCode = '''
+ vnmulSCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
FpDest = -binaryOp(fpscr, FpOp1, FpOp2, fpMulS,
fpscr.fz, fpscr.dn, fpscr.rMode);
@@ -649,7 +651,7 @@ let {{
decoder_output += FpRegRegRegOpConstructor.subst(vnmulSIop);
exec_output += PredOpExecute.subst(vnmulSIop);
- vnmulDCode = '''
+ vnmulDCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
double dest = -binaryOp(fpscr, dbl(FpOp1P0.uw, FpOp1P1.uw),
dbl(FpOp2P0.uw, FpOp2P1.uw),
@@ -673,7 +675,7 @@ let {{
decoder_output = ""
exec_output = ""
- vcvtUIntFpSCode = '''
+ vcvtUIntFpSCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
VfpSavedState state = prepFpState(fpscr.rMode);
__asm__ __volatile__("" : "=m" (FpOp1.uw) : "m" (FpOp1.uw));
@@ -689,7 +691,7 @@ let {{
decoder_output += FpRegRegOpConstructor.subst(vcvtUIntFpSIop);
exec_output += PredOpExecute.subst(vcvtUIntFpSIop);
- vcvtUIntFpDCode = '''
+ vcvtUIntFpDCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
VfpSavedState state = prepFpState(fpscr.rMode);
__asm__ __volatile__("" : "=m" (FpOp1P0.uw) : "m" (FpOp1P0.uw));
@@ -707,7 +709,7 @@ let {{
decoder_output += FpRegRegOpConstructor.subst(vcvtUIntFpDIop);
exec_output += PredOpExecute.subst(vcvtUIntFpDIop);
- vcvtSIntFpSCode = '''
+ vcvtSIntFpSCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
VfpSavedState state = prepFpState(fpscr.rMode);
__asm__ __volatile__("" : "=m" (FpOp1.sw) : "m" (FpOp1.sw));
@@ -723,7 +725,7 @@ let {{
decoder_output += FpRegRegOpConstructor.subst(vcvtSIntFpSIop);
exec_output += PredOpExecute.subst(vcvtSIntFpSIop);
- vcvtSIntFpDCode = '''
+ vcvtSIntFpDCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
VfpSavedState state = prepFpState(fpscr.rMode);
__asm__ __volatile__("" : "=m" (FpOp1P0.sw) : "m" (FpOp1P0.sw));
@@ -741,7 +743,7 @@ let {{
decoder_output += FpRegRegOpConstructor.subst(vcvtSIntFpDIop);
exec_output += PredOpExecute.subst(vcvtSIntFpDIop);
- vcvtFpUIntSRCode = '''
+ vcvtFpUIntSRCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
VfpSavedState state = prepFpState(fpscr.rMode);
vfpFlushToZero(fpscr, FpOp1);
@@ -758,7 +760,7 @@ let {{
decoder_output += FpRegRegOpConstructor.subst(vcvtFpUIntSRIop);
exec_output += PredOpExecute.subst(vcvtFpUIntSRIop);
- vcvtFpUIntDRCode = '''
+ vcvtFpUIntDRCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
double cOp1 = dbl(FpOp1P0.uw, FpOp1P1.uw);
vfpFlushToZero(fpscr, cOp1);
@@ -777,7 +779,7 @@ let {{
decoder_output += FpRegRegOpConstructor.subst(vcvtFpUIntDRIop);
exec_output += PredOpExecute.subst(vcvtFpUIntDRIop);
- vcvtFpSIntSRCode = '''
+ vcvtFpSIntSRCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
VfpSavedState state = prepFpState(fpscr.rMode);
vfpFlushToZero(fpscr, FpOp1);
@@ -794,7 +796,7 @@ let {{
decoder_output += FpRegRegOpConstructor.subst(vcvtFpSIntSRIop);
exec_output += PredOpExecute.subst(vcvtFpSIntSRIop);
- vcvtFpSIntDRCode = '''
+ vcvtFpSIntDRCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
double cOp1 = dbl(FpOp1P0.uw, FpOp1P1.uw);
vfpFlushToZero(fpscr, cOp1);
@@ -813,7 +815,7 @@ let {{
decoder_output += FpRegRegOpConstructor.subst(vcvtFpSIntDRIop);
exec_output += PredOpExecute.subst(vcvtFpSIntDRIop);
- vcvtFpUIntSCode = '''
+ vcvtFpUIntSCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
vfpFlushToZero(fpscr, FpOp1);
VfpSavedState state = prepFpState(fpscr.rMode);
@@ -831,7 +833,7 @@ let {{
decoder_output += FpRegRegOpConstructor.subst(vcvtFpUIntSIop);
exec_output += PredOpExecute.subst(vcvtFpUIntSIop);
- vcvtFpUIntDCode = '''
+ vcvtFpUIntDCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
double cOp1 = dbl(FpOp1P0.uw, FpOp1P1.uw);
vfpFlushToZero(fpscr, cOp1);
@@ -851,7 +853,7 @@ let {{
decoder_output += FpRegRegOpConstructor.subst(vcvtFpUIntDIop);
exec_output += PredOpExecute.subst(vcvtFpUIntDIop);
- vcvtFpSIntSCode = '''
+ vcvtFpSIntSCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
vfpFlushToZero(fpscr, FpOp1);
VfpSavedState state = prepFpState(fpscr.rMode);
@@ -869,7 +871,7 @@ let {{
decoder_output += FpRegRegOpConstructor.subst(vcvtFpSIntSIop);
exec_output += PredOpExecute.subst(vcvtFpSIntSIop);
- vcvtFpSIntDCode = '''
+ vcvtFpSIntDCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
double cOp1 = dbl(FpOp1P0.uw, FpOp1P1.uw);
vfpFlushToZero(fpscr, cOp1);
@@ -889,7 +891,7 @@ let {{
decoder_output += FpRegRegOpConstructor.subst(vcvtFpSIntDIop);
exec_output += PredOpExecute.subst(vcvtFpSIntDIop);
- vcvtFpSFpDCode = '''
+ vcvtFpSFpDCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
vfpFlushToZero(fpscr, FpOp1);
VfpSavedState state = prepFpState(fpscr.rMode);
@@ -908,7 +910,7 @@ let {{
decoder_output += FpRegRegOpConstructor.subst(vcvtFpSFpDIop);
exec_output += PredOpExecute.subst(vcvtFpSFpDIop);
- vcvtFpDFpSCode = '''
+ vcvtFpDFpSCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
double cOp1 = dbl(FpOp1P0.uw, FpOp1P1.uw);
vfpFlushToZero(fpscr, cOp1);
@@ -926,7 +928,7 @@ let {{
decoder_output += FpRegRegOpConstructor.subst(vcvtFpDFpSIop);
exec_output += PredOpExecute.subst(vcvtFpDFpSIop);
- vcvtFpHTFpSCode = '''
+ vcvtFpHTFpSCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
vfpFlushToZero(fpscr, FpOp1);
VfpSavedState state = prepFpState(fpscr.rMode);
@@ -944,7 +946,7 @@ let {{
decoder_output += FpRegRegOpConstructor.subst(vcvtFpHTFpSIop);
exec_output += PredOpExecute.subst(vcvtFpHTFpSIop);
- vcvtFpHBFpSCode = '''
+ vcvtFpHBFpSCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
VfpSavedState state = prepFpState(fpscr.rMode);
__asm__ __volatile__("" : "=m" (FpOp1) : "m" (FpOp1));
@@ -961,7 +963,7 @@ let {{
decoder_output += FpRegRegOpConstructor.subst(vcvtFpHBFpSIop);
exec_output += PredOpExecute.subst(vcvtFpHBFpSIop);
- vcvtFpSFpHTCode = '''
+ vcvtFpSFpHTCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
vfpFlushToZero(fpscr, FpOp1);
VfpSavedState state = prepFpState(fpscr.rMode);
@@ -981,7 +983,7 @@ let {{
decoder_output += FpRegRegOpConstructor.subst(vcvtFpSFpHTIop);
exec_output += PredOpExecute.subst(vcvtFpSFpHTIop);
- vcvtFpSFpHBCode = '''
+ vcvtFpSFpHBCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
vfpFlushToZero(fpscr, FpOp1);
VfpSavedState state = prepFpState(fpscr.rMode);
@@ -1001,7 +1003,7 @@ let {{
decoder_output += FpRegRegOpConstructor.subst(vcvtFpSFpHBIop);
exec_output += PredOpExecute.subst(vcvtFpSFpHBIop);
- vcmpSCode = '''
+ vcmpSCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
vfpFlushToZero(fpscr, FpDest, FpOp1);
if (FpDest == FpOp1) {
@@ -1029,7 +1031,7 @@ let {{
decoder_output += FpRegRegOpConstructor.subst(vcmpSIop);
exec_output += PredOpExecute.subst(vcmpSIop);
- vcmpDCode = '''
+ vcmpDCode = vfpEnabledCheckCode + '''
double cOp1 = dbl(FpOp1P0.uw, FpOp1P1.uw);
double cDest = dbl(FpDestP0.uw, FpDestP1.uw);
FPSCR fpscr = Fpscr;
@@ -1059,7 +1061,7 @@ let {{
decoder_output += FpRegRegOpConstructor.subst(vcmpDIop);
exec_output += PredOpExecute.subst(vcmpDIop);
- vcmpZeroSCode = '''
+ vcmpZeroSCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
vfpFlushToZero(fpscr, FpDest);
// This only handles imm == 0 for now.
@@ -1087,7 +1089,7 @@ let {{
decoder_output += FpRegImmOpConstructor.subst(vcmpZeroSIop);
exec_output += PredOpExecute.subst(vcmpZeroSIop);
- vcmpZeroDCode = '''
+ vcmpZeroDCode = vfpEnabledCheckCode + '''
// This only handles imm == 0 for now.
assert(imm == 0);
double cDest = dbl(FpDestP0.uw, FpDestP1.uw);
@@ -1116,7 +1118,7 @@ let {{
decoder_output += FpRegImmOpConstructor.subst(vcmpZeroDIop);
exec_output += PredOpExecute.subst(vcmpZeroDIop);
- vcmpeSCode = '''
+ vcmpeSCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
vfpFlushToZero(fpscr, FpDest, FpOp1);
if (FpDest == FpOp1) {
@@ -1138,7 +1140,7 @@ let {{
decoder_output += FpRegRegOpConstructor.subst(vcmpeSIop);
exec_output += PredOpExecute.subst(vcmpeSIop);
- vcmpeDCode = '''
+ vcmpeDCode = vfpEnabledCheckCode + '''
double cOp1 = dbl(FpOp1P0.uw, FpOp1P1.uw);
double cDest = dbl(FpDestP0.uw, FpDestP1.uw);
FPSCR fpscr = Fpscr;
@@ -1162,7 +1164,7 @@ let {{
decoder_output += FpRegRegOpConstructor.subst(vcmpeDIop);
exec_output += PredOpExecute.subst(vcmpeDIop);
- vcmpeZeroSCode = '''
+ vcmpeZeroSCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
vfpFlushToZero(fpscr, FpDest);
if (FpDest == imm) {
@@ -1184,7 +1186,7 @@ let {{
decoder_output += FpRegImmOpConstructor.subst(vcmpeZeroSIop);
exec_output += PredOpExecute.subst(vcmpeZeroSIop);
- vcmpeZeroDCode = '''
+ vcmpeZeroDCode = vfpEnabledCheckCode + '''
double cDest = dbl(FpDestP0.uw, FpDestP1.uw);
FPSCR fpscr = Fpscr;
vfpFlushToZero(fpscr, cDest);
@@ -1214,7 +1216,7 @@ let {{
decoder_output = ""
exec_output = ""
- vcvtFpSFixedSCode = '''
+ vcvtFpSFixedSCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
vfpFlushToZero(fpscr, FpOp1);
VfpSavedState state = prepFpState(fpscr.rMode);
@@ -1231,7 +1233,7 @@ let {{
decoder_output += FpRegRegImmOpConstructor.subst(vcvtFpSFixedSIop);
exec_output += PredOpExecute.subst(vcvtFpSFixedSIop);
- vcvtFpSFixedDCode = '''
+ vcvtFpSFixedDCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
double cOp1 = dbl(FpOp1P0.uw, FpOp1P1.uw);
vfpFlushToZero(fpscr, cOp1);
@@ -1251,7 +1253,7 @@ let {{
decoder_output += FpRegRegImmOpConstructor.subst(vcvtFpSFixedDIop);
exec_output += PredOpExecute.subst(vcvtFpSFixedDIop);
- vcvtFpUFixedSCode = '''
+ vcvtFpUFixedSCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
vfpFlushToZero(fpscr, FpOp1);
VfpSavedState state = prepFpState(fpscr.rMode);
@@ -1268,7 +1270,7 @@ let {{
decoder_output += FpRegRegImmOpConstructor.subst(vcvtFpUFixedSIop);
exec_output += PredOpExecute.subst(vcvtFpUFixedSIop);
- vcvtFpUFixedDCode = '''
+ vcvtFpUFixedDCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
double cOp1 = dbl(FpOp1P0.uw, FpOp1P1.uw);
vfpFlushToZero(fpscr, cOp1);
@@ -1288,7 +1290,7 @@ let {{
decoder_output += FpRegRegImmOpConstructor.subst(vcvtFpUFixedDIop);
exec_output += PredOpExecute.subst(vcvtFpUFixedDIop);
- vcvtSFixedFpSCode = '''
+ vcvtSFixedFpSCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
VfpSavedState state = prepFpState(fpscr.rMode);
__asm__ __volatile__("" : "=m" (FpOp1.sw) : "m" (FpOp1.sw));
@@ -1304,7 +1306,7 @@ let {{
decoder_output += FpRegRegImmOpConstructor.subst(vcvtSFixedFpSIop);
exec_output += PredOpExecute.subst(vcvtSFixedFpSIop);
- vcvtSFixedFpDCode = '''
+ vcvtSFixedFpDCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
uint64_t mid = ((uint64_t)FpOp1P0.uw | ((uint64_t)FpOp1P1.uw << 32));
VfpSavedState state = prepFpState(fpscr.rMode);
@@ -1323,7 +1325,7 @@ let {{
decoder_output += FpRegRegImmOpConstructor.subst(vcvtSFixedFpDIop);
exec_output += PredOpExecute.subst(vcvtSFixedFpDIop);
- vcvtUFixedFpSCode = '''
+ vcvtUFixedFpSCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
VfpSavedState state = prepFpState(fpscr.rMode);
__asm__ __volatile__("" : "=m" (FpOp1.uw) : "m" (FpOp1.uw));
@@ -1339,7 +1341,7 @@ let {{
decoder_output += FpRegRegImmOpConstructor.subst(vcvtUFixedFpSIop);
exec_output += PredOpExecute.subst(vcvtUFixedFpSIop);
- vcvtUFixedFpDCode = '''
+ vcvtUFixedFpDCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
uint64_t mid = ((uint64_t)FpOp1P0.uw | ((uint64_t)FpOp1P1.uw << 32));
VfpSavedState state = prepFpState(fpscr.rMode);
@@ -1358,7 +1360,7 @@ let {{
decoder_output += FpRegRegImmOpConstructor.subst(vcvtUFixedFpDIop);
exec_output += PredOpExecute.subst(vcvtUFixedFpDIop);
- vcvtFpSHFixedSCode = '''
+ vcvtFpSHFixedSCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
vfpFlushToZero(fpscr, FpOp1);
VfpSavedState state = prepFpState(fpscr.rMode);
@@ -1376,7 +1378,7 @@ let {{
decoder_output += FpRegRegImmOpConstructor.subst(vcvtFpSHFixedSIop);
exec_output += PredOpExecute.subst(vcvtFpSHFixedSIop);
- vcvtFpSHFixedDCode = '''
+ vcvtFpSHFixedDCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
double cOp1 = dbl(FpOp1P0.uw, FpOp1P1.uw);
vfpFlushToZero(fpscr, cOp1);
@@ -1397,7 +1399,7 @@ let {{
decoder_output += FpRegRegImmOpConstructor.subst(vcvtFpSHFixedDIop);
exec_output += PredOpExecute.subst(vcvtFpSHFixedDIop);
- vcvtFpUHFixedSCode = '''
+ vcvtFpUHFixedSCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
vfpFlushToZero(fpscr, FpOp1);
VfpSavedState state = prepFpState(fpscr.rMode);
@@ -1415,7 +1417,7 @@ let {{
decoder_output += FpRegRegImmOpConstructor.subst(vcvtFpUHFixedSIop);
exec_output += PredOpExecute.subst(vcvtFpUHFixedSIop);
- vcvtFpUHFixedDCode = '''
+ vcvtFpUHFixedDCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
double cOp1 = dbl(FpOp1P0.uw, FpOp1P1.uw);
vfpFlushToZero(fpscr, cOp1);
@@ -1436,7 +1438,7 @@ let {{
decoder_output += FpRegRegImmOpConstructor.subst(vcvtFpUHFixedDIop);
exec_output += PredOpExecute.subst(vcvtFpUHFixedDIop);
- vcvtSHFixedFpSCode = '''
+ vcvtSHFixedFpSCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
VfpSavedState state = prepFpState(fpscr.rMode);
__asm__ __volatile__("" : "=m" (FpOp1.sh) : "m" (FpOp1.sh));
@@ -1453,7 +1455,7 @@ let {{
decoder_output += FpRegRegImmOpConstructor.subst(vcvtSHFixedFpSIop);
exec_output += PredOpExecute.subst(vcvtSHFixedFpSIop);
- vcvtSHFixedFpDCode = '''
+ vcvtSHFixedFpDCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
uint64_t mid = ((uint64_t)FpOp1P0.uw | ((uint64_t)FpOp1P1.uw << 32));
VfpSavedState state = prepFpState(fpscr.rMode);
@@ -1473,7 +1475,7 @@ let {{
decoder_output += FpRegRegImmOpConstructor.subst(vcvtSHFixedFpDIop);
exec_output += PredOpExecute.subst(vcvtSHFixedFpDIop);
- vcvtUHFixedFpSCode = '''
+ vcvtUHFixedFpSCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
VfpSavedState state = prepFpState(fpscr.rMode);
__asm__ __volatile__("" : "=m" (FpOp1.uh) : "m" (FpOp1.uh));
@@ -1490,7 +1492,7 @@ let {{
decoder_output += FpRegRegImmOpConstructor.subst(vcvtUHFixedFpSIop);
exec_output += PredOpExecute.subst(vcvtUHFixedFpSIop);
- vcvtUHFixedFpDCode = '''
+ vcvtUHFixedFpDCode = vfpEnabledCheckCode + '''
FPSCR fpscr = Fpscr;
uint64_t mid = ((uint64_t)FpOp1P0.uw | ((uint64_t)FpOp1P1.uw << 32));
VfpSavedState state = prepFpState(fpscr.rMode);
diff --git a/src/arch/arm/isa/insts/neon.isa b/src/arch/arm/isa/insts/neon.isa
index b629c6fe8..1568b755b 100644
--- a/src/arch/arm/isa/insts/neon.isa
+++ b/src/arch/arm/isa/insts/neon.isa
@@ -620,6 +620,13 @@ output exec {{
}};
let {{
+ simdEnabledCheckCode = '''
+ if (!neonEnabled(Cpacr, Cpsr, Fpexc))
+ return disabledFault();
+ '''
+}};
+
+let {{
header_output = ""
exec_output = ""
@@ -634,7 +641,7 @@ let {{
def threeEqualRegInst(name, Name, types, rCount, op,
readDest=False, pairwise=False):
global header_output, exec_output
- eWalkCode = '''
+ eWalkCode = simdEnabledCheckCode + '''
RegVect srcReg1, srcReg2, destReg;
'''
for reg in range(rCount):
@@ -694,7 +701,7 @@ let {{
def threeEqualRegInstFp(name, Name, types, rCount, op,
readDest=False, pairwise=False, toInt=False):
global header_output, exec_output
- eWalkCode = '''
+ eWalkCode = simdEnabledCheckCode + '''
typedef FloatReg FloatVect[rCount];
FloatVect srcRegs1, srcRegs2;
'''
@@ -789,7 +796,7 @@ let {{
if bigDest:
destCnt = 4
destPrefix = 'Big'
- eWalkCode = '''
+ eWalkCode = simdEnabledCheckCode + '''
%sRegVect srcReg1;
%sRegVect srcReg2;
%sRegVect destReg;
@@ -852,7 +859,7 @@ let {{
def twoEqualRegInst(name, Name, types, rCount, op, readDest=False):
global header_output, exec_output
- eWalkCode = '''
+ eWalkCode = simdEnabledCheckCode + '''
RegVect srcReg1, srcReg2, destReg;
'''
for reg in range(rCount):
@@ -897,7 +904,7 @@ let {{
def twoRegLongInst(name, Name, types, op, readDest=False):
global header_output, exec_output
rCount = 2
- eWalkCode = '''
+ eWalkCode = simdEnabledCheckCode + '''
RegVect srcReg1, srcReg2;
BigRegVect destReg;
'''
@@ -943,7 +950,7 @@ let {{
def twoEqualRegInstFp(name, Name, types, rCount, op, readDest=False):
global header_output, exec_output
- eWalkCode = '''
+ eWalkCode = simdEnabledCheckCode + '''
typedef FloatReg FloatVect[rCount];
FloatVect srcRegs1, srcRegs2, destRegs;
'''
@@ -989,7 +996,7 @@ let {{
def twoRegShiftInst(name, Name, types, rCount, op,
readDest=False, toInt=False, fromInt=False):
global header_output, exec_output
- eWalkCode = '''
+ eWalkCode = simdEnabledCheckCode + '''
RegVect srcRegs1, destRegs;
'''
for reg in range(rCount):
@@ -1044,7 +1051,7 @@ let {{
def twoRegNarrowShiftInst(name, Name, types, op, readDest=False):
global header_output, exec_output
- eWalkCode = '''
+ eWalkCode = simdEnabledCheckCode + '''
BigRegVect srcReg1;
RegVect destReg;
'''
@@ -1087,7 +1094,7 @@ let {{
def twoRegLongShiftInst(name, Name, types, op, readDest=False):
global header_output, exec_output
- eWalkCode = '''
+ eWalkCode = simdEnabledCheckCode + '''
RegVect srcReg1;
BigRegVect destReg;
'''
@@ -1130,7 +1137,7 @@ let {{
def twoRegMiscInst(name, Name, types, rCount, op, readDest=False):
global header_output, exec_output
- eWalkCode = '''
+ eWalkCode = simdEnabledCheckCode + '''
RegVect srcReg1, destReg;
'''
for reg in range(rCount):
@@ -1172,7 +1179,7 @@ let {{
def twoRegMiscScInst(name, Name, types, rCount, op, readDest=False):
global header_output, exec_output
- eWalkCode = '''
+ eWalkCode = simdEnabledCheckCode + '''
RegVect srcReg1, destReg;
'''
for reg in range(rCount):
@@ -1213,7 +1220,7 @@ let {{
def twoRegMiscScramble(name, Name, types, rCount, op, readDest=False):
global header_output, exec_output
- eWalkCode = '''
+ eWalkCode = simdEnabledCheckCode + '''
RegVect srcReg1, destReg;
'''
for reg in range(rCount):
@@ -1248,7 +1255,7 @@ let {{
def twoRegMiscInstFp(name, Name, types, rCount, op,
readDest=False, toInt=False):
global header_output, exec_output
- eWalkCode = '''
+ eWalkCode = simdEnabledCheckCode + '''
typedef FloatReg FloatVect[rCount];
FloatVect srcRegs1;
'''
@@ -1312,7 +1319,7 @@ let {{
def twoRegCondenseInst(name, Name, types, rCount, op, readDest=False):
global header_output, exec_output
- eWalkCode = '''
+ eWalkCode = simdEnabledCheckCode + '''
RegVect srcRegs;
BigRegVect destReg;
'''
@@ -1355,7 +1362,7 @@ let {{
def twoRegNarrowMiscInst(name, Name, types, op, readDest=False):
global header_output, exec_output
- eWalkCode = '''
+ eWalkCode = simdEnabledCheckCode + '''
BigRegVect srcReg1;
RegVect destReg;
'''
@@ -1398,7 +1405,7 @@ let {{
def oneRegImmInst(name, Name, types, rCount, op, readDest=False):
global header_output, exec_output
- eWalkCode = '''
+ eWalkCode = simdEnabledCheckCode + '''
RegVect destReg;
'''
if readDest:
@@ -1435,7 +1442,7 @@ let {{
def twoRegLongMiscInst(name, Name, types, op, readDest=False):
global header_output, exec_output
- eWalkCode = '''
+ eWalkCode = simdEnabledCheckCode + '''
RegVect srcReg1;
BigRegVect destReg;
'''
diff --git a/src/arch/arm/isa/operands.isa b/src/arch/arm/isa/operands.isa
index 5490a28e0..7b2b50290 100644
--- a/src/arch/arm/isa/operands.isa
+++ b/src/arch/arm/isa/operands.isa
@@ -205,6 +205,7 @@ def operands {{
'Fpsr': ('ControlReg', 'uw', 'MISCREG_FPSR', None, 2),
'Fpsid': ('ControlReg', 'uw', 'MISCREG_FPSID', None, 2),
'Fpscr': ('ControlReg', 'uw', 'MISCREG_FPSCR', None, 2),
+ 'Cpacr': ('ControlReg', 'uw', 'MISCREG_CPACR', (None, None, 'IsControl'), 2),
'Fpexc': ('ControlReg', 'uw', 'MISCREG_FPEXC', None, 2),
'Sctlr': ('ControlReg', 'uw', 'MISCREG_SCTLR', None, 2),
'SevMailbox': ('ControlReg', 'uw', 'MISCREG_SEV_MAILBOX', None, 2),
diff --git a/src/arch/arm/isa/templates/vfp.isa b/src/arch/arm/isa/templates/vfp.isa
index b0443c734..5de52738c 100644
--- a/src/arch/arm/isa/templates/vfp.isa
+++ b/src/arch/arm/isa/templates/vfp.isa
@@ -37,6 +37,18 @@
//
// Authors: Gabe Black
+let {{
+ vfpEnabledCheckCode = '''
+ if (!vfpEnabled(Cpacr, Cpsr, Fpexc))
+ return disabledFault();
+ '''
+
+ vmsrrsEnabledCheckCode = '''
+ if (!vfpEnabled(Cpacr, Cpsr))
+ return disabledFault();
+ '''
+}};
+
def template FpRegRegOpDeclare {{
class %(class_name)s : public %(base_class)s
{
diff --git a/src/arch/arm/miscregs.hh b/src/arch/arm/miscregs.hh
index 86a11d508..453893908 100644
--- a/src/arch/arm/miscregs.hh
+++ b/src/arch/arm/miscregs.hh
@@ -354,6 +354,12 @@ namespace ArmISA
Bitfield<31> n;
EndBitUnion(FPSCR)
+ BitUnion32(FPEXC)
+ Bitfield<31> ex;
+ Bitfield<30> en;
+ Bitfield<29, 0> subArchDefined;
+ EndBitUnion(FPEXC)
+
BitUnion32(MVFR0)
Bitfield<3, 0> advSimdRegisters;
Bitfield<7, 4> singlePrecision;
diff --git a/src/arch/arm/process.cc b/src/arch/arm/process.cc
index e7748ad50..e8dda1af0 100644
--- a/src/arch/arm/process.cc
+++ b/src/arch/arm/process.cc
@@ -78,6 +78,18 @@ ArmLiveProcess::startup()
{
LiveProcess::startup();
argsInit(MachineBytes, VMPageSize);
+ for (int i = 0; i < contextIds.size(); i++) {
+ ThreadContext * tc = system->getThreadContext(contextIds[i]);
+ CPACR cpacr = tc->readMiscReg(MISCREG_CPACR);
+ // Enable the floating point coprocessors.
+ cpacr.cp10 = 0x3;
+ cpacr.cp11 = 0x3;
+ tc->setMiscReg(MISCREG_CPACR, cpacr);
+ // Generically enable floating point support.
+ FPEXC fpexc = tc->readMiscReg(MISCREG_FPEXC);
+ fpexc.en = 1;
+ tc->setMiscReg(MISCREG_FPEXC, fpexc);
+ }
}
void
diff --git a/src/arch/arm/utility.hh b/src/arch/arm/utility.hh
index 65c94926e..4256aa047 100644
--- a/src/arch/arm/utility.hh
+++ b/src/arch/arm/utility.hh
@@ -146,6 +146,25 @@ namespace ArmISA {
return !inUserMode(tc);
}
+ static inline bool
+ vfpEnabled(CPACR cpacr, CPSR cpsr)
+ {
+ return cpacr.cp10 == 0x3 ||
+ (cpacr.cp10 == 0x2 && inPrivilegedMode(cpsr));
+ }
+
+ static inline bool
+ vfpEnabled(CPACR cpacr, CPSR cpsr, FPEXC fpexc)
+ {
+ return fpexc.en && vfpEnabled(cpacr, cpsr);
+ }
+
+ static inline bool
+ neonEnabled(CPACR cpacr, CPSR cpsr, FPEXC fpexc)
+ {
+ return !cpacr.asedis && vfpEnabled(cpacr, cpsr, fpexc);
+ }
+
uint64_t getArgument(ThreadContext *tc, int number, bool fp);
Fault setCp15Register(uint32_t &Rd, int CRn, int opc1, int CRm, int opc2);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 09:50:04 +0000