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path: root/arch/arm/nwfpe/fpa11_cpdt.c
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Diffstat (limited to 'arch/arm/nwfpe/fpa11_cpdt.c')
-rw-r--r--arch/arm/nwfpe/fpa11_cpdt.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/arch/arm/nwfpe/fpa11_cpdt.c b/arch/arm/nwfpe/fpa11_cpdt.c
index 95fb63fa9d18..b0db5cbcc3b1 100644
--- a/arch/arm/nwfpe/fpa11_cpdt.c
+++ b/arch/arm/nwfpe/fpa11_cpdt.c
@@ -96,7 +96,7 @@ static inline void loadMultiple(const unsigned int Fn, const unsigned int __user
}
}
-static inline void storeSingle(const unsigned int Fn, unsigned int __user *pMem)
+static inline void storeSingle(struct roundingData *roundData, const unsigned int Fn, unsigned int __user *pMem)
{
FPA11 *fpa11 = GET_FPA11();
union {
@@ -106,12 +106,12 @@ static inline void storeSingle(const unsigned int Fn, unsigned int __user *pMem)
switch (fpa11->fType[Fn]) {
case typeDouble:
- val.f = float64_to_float32(fpa11->fpreg[Fn].fDouble);
+ val.f = float64_to_float32(roundData, fpa11->fpreg[Fn].fDouble);
break;
#ifdef CONFIG_FPE_NWFPE_XP
case typeExtended:
- val.f = floatx80_to_float32(fpa11->fpreg[Fn].fExtended);
+ val.f = floatx80_to_float32(roundData, fpa11->fpreg[Fn].fExtended);
break;
#endif
@@ -122,7 +122,7 @@ static inline void storeSingle(const unsigned int Fn, unsigned int __user *pMem)
put_user(val.i[0], pMem);
}
-static inline void storeDouble(const unsigned int Fn, unsigned int __user *pMem)
+static inline void storeDouble(struct roundingData *roundData, const unsigned int Fn, unsigned int __user *pMem)
{
FPA11 *fpa11 = GET_FPA11();
union {
@@ -137,7 +137,7 @@ static inline void storeDouble(const unsigned int Fn, unsigned int __user *pMem)
#ifdef CONFIG_FPE_NWFPE_XP
case typeExtended:
- val.f = floatx80_to_float64(fpa11->fpreg[Fn].fExtended);
+ val.f = floatx80_to_float64(roundData, fpa11->fpreg[Fn].fExtended);
break;
#endif
@@ -259,8 +259,11 @@ unsigned int PerformSTF(const unsigned int opcode)
{
unsigned int __user *pBase, *pAddress, *pFinal;
unsigned int nRc = 1, write_back = WRITE_BACK(opcode);
+ struct roundingData roundData;
- SetRoundingMode(ROUND_TO_NEAREST);
+ roundData.mode = SetRoundingMode(opcode);
+ roundData.precision = SetRoundingPrecision(opcode);
+ roundData.exception = 0;
pBase = (unsigned int __user *) readRegister(getRn(opcode));
if (REG_PC == getRn(opcode)) {
@@ -281,10 +284,10 @@ unsigned int PerformSTF(const unsigned int opcode)
switch (opcode & MASK_TRANSFER_LENGTH) {
case TRANSFER_SINGLE:
- storeSingle(getFd(opcode), pAddress);
+ storeSingle(&roundData, getFd(opcode), pAddress);
break;
case TRANSFER_DOUBLE:
- storeDouble(getFd(opcode), pAddress);
+ storeDouble(&roundData, getFd(opcode), pAddress);
break;
#ifdef CONFIG_FPE_NWFPE_XP
case TRANSFER_EXTENDED:
@@ -295,6 +298,9 @@ unsigned int PerformSTF(const unsigned int opcode)
nRc = 0;
}
+ if (roundData.exception)
+ float_raise(roundData.exception);
+
if (write_back)
writeRegister(getRn(opcode), (unsigned long) pFinal);
return nRc;