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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
96 } 96 }
97} 97}
98 98
99static inline void storeSingle(const unsigned int Fn, unsigned int __user *pMem) 99static inline void storeSingle(struct roundingData *roundData, const unsigned int Fn, unsigned int __user *pMem)
100{ 100{
101 FPA11 *fpa11 = GET_FPA11(); 101 FPA11 *fpa11 = GET_FPA11();
102 union { 102 union {
@@ -106,12 +106,12 @@ static inline void storeSingle(const unsigned int Fn, unsigned int __user *pMem)
106 106
107 switch (fpa11->fType[Fn]) { 107 switch (fpa11->fType[Fn]) {
108 case typeDouble: 108 case typeDouble:
109 val.f = float64_to_float32(fpa11->fpreg[Fn].fDouble); 109 val.f = float64_to_float32(roundData, fpa11->fpreg[Fn].fDouble);
110 break; 110 break;
111 111
112#ifdef CONFIG_FPE_NWFPE_XP 112#ifdef CONFIG_FPE_NWFPE_XP
113 case typeExtended: 113 case typeExtended:
114 val.f = floatx80_to_float32(fpa11->fpreg[Fn].fExtended); 114 val.f = floatx80_to_float32(roundData, fpa11->fpreg[Fn].fExtended);
115 break; 115 break;
116#endif 116#endif
117 117
@@ -122,7 +122,7 @@ static inline void storeSingle(const unsigned int Fn, unsigned int __user *pMem)
122 put_user(val.i[0], pMem); 122 put_user(val.i[0], pMem);
123} 123}
124 124
125static inline void storeDouble(const unsigned int Fn, unsigned int __user *pMem) 125static inline void storeDouble(struct roundingData *roundData, const unsigned int Fn, unsigned int __user *pMem)
126{ 126{
127 FPA11 *fpa11 = GET_FPA11(); 127 FPA11 *fpa11 = GET_FPA11();
128 union { 128 union {
@@ -137,7 +137,7 @@ static inline void storeDouble(const unsigned int Fn, unsigned int __user *pMem)
137 137
138#ifdef CONFIG_FPE_NWFPE_XP 138#ifdef CONFIG_FPE_NWFPE_XP
139 case typeExtended: 139 case typeExtended:
140 val.f = floatx80_to_float64(fpa11->fpreg[Fn].fExtended); 140 val.f = floatx80_to_float64(roundData, fpa11->fpreg[Fn].fExtended);
141 break; 141 break;
142#endif 142#endif
143 143
@@ -259,8 +259,11 @@ unsigned int PerformSTF(const unsigned int opcode)
259{ 259{
260 unsigned int __user *pBase, *pAddress, *pFinal; 260 unsigned int __user *pBase, *pAddress, *pFinal;
261 unsigned int nRc = 1, write_back = WRITE_BACK(opcode); 261 unsigned int nRc = 1, write_back = WRITE_BACK(opcode);
262 struct roundingData roundData;
262 263
263 SetRoundingMode(ROUND_TO_NEAREST); 264 roundData.mode = SetRoundingMode(opcode);
265 roundData.precision = SetRoundingPrecision(opcode);
266 roundData.exception = 0;
264 267
265 pBase = (unsigned int __user *) readRegister(getRn(opcode)); 268 pBase = (unsigned int __user *) readRegister(getRn(opcode));
266 if (REG_PC == getRn(opcode)) { 269 if (REG_PC == getRn(opcode)) {
@@ -281,10 +284,10 @@ unsigned int PerformSTF(const unsigned int opcode)
281 284
282 switch (opcode & MASK_TRANSFER_LENGTH) { 285 switch (opcode & MASK_TRANSFER_LENGTH) {
283 case TRANSFER_SINGLE: 286 case TRANSFER_SINGLE:
284 storeSingle(getFd(opcode), pAddress); 287 storeSingle(&roundData, getFd(opcode), pAddress);
285 break; 288 break;
286 case TRANSFER_DOUBLE: 289 case TRANSFER_DOUBLE:
287 storeDouble(getFd(opcode), pAddress); 290 storeDouble(&roundData, getFd(opcode), pAddress);
288 break; 291 break;
289#ifdef CONFIG_FPE_NWFPE_XP 292#ifdef CONFIG_FPE_NWFPE_XP
290 case TRANSFER_EXTENDED: 293 case TRANSFER_EXTENDED:
@@ -295,6 +298,9 @@ unsigned int PerformSTF(const unsigned int opcode)
295 nRc = 0; 298 nRc = 0;
296 } 299 }
297 300
301 if (roundData.exception)
302 float_raise(roundData.exception);
303
298 if (write_back) 304 if (write_back)
299 writeRegister(getRn(opcode), (unsigned long) pFinal); 305 writeRegister(getRn(opcode), (unsigned long) pFinal);
300 return nRc; 306 return nRc;