diff options
Diffstat (limited to 'arch/powerpc/lib/ldstfp.S')
| -rw-r--r-- | arch/powerpc/lib/ldstfp.S | 36 |
1 files changed, 20 insertions, 16 deletions
diff --git a/arch/powerpc/lib/ldstfp.S b/arch/powerpc/lib/ldstfp.S index f6448636baf..6a85380520b 100644 --- a/arch/powerpc/lib/ldstfp.S +++ b/arch/powerpc/lib/ldstfp.S | |||
| @@ -17,6 +17,8 @@ | |||
| 17 | #include <asm/asm-offsets.h> | 17 | #include <asm/asm-offsets.h> |
| 18 | #include <linux/errno.h> | 18 | #include <linux/errno.h> |
| 19 | 19 | ||
| 20 | #ifdef CONFIG_PPC_FPU | ||
| 21 | |||
| 20 | #define STKFRM (PPC_MIN_STKFRM + 16) | 22 | #define STKFRM (PPC_MIN_STKFRM + 16) |
| 21 | 23 | ||
| 22 | .macro extab instr,handler | 24 | .macro extab instr,handler |
| @@ -81,7 +83,7 @@ _GLOBAL(do_lfs) | |||
| 81 | mfmsr r6 | 83 | mfmsr r6 |
| 82 | ori r7,r6,MSR_FP | 84 | ori r7,r6,MSR_FP |
| 83 | cmpwi cr7,r3,0 | 85 | cmpwi cr7,r3,0 |
| 84 | mtmsrd r7 | 86 | MTMSRD(r7) |
| 85 | isync | 87 | isync |
| 86 | beq cr7,1f | 88 | beq cr7,1f |
| 87 | stfd fr0,STKFRM-16(r1) | 89 | stfd fr0,STKFRM-16(r1) |
| @@ -93,7 +95,7 @@ _GLOBAL(do_lfs) | |||
| 93 | lfd fr0,STKFRM-16(r1) | 95 | lfd fr0,STKFRM-16(r1) |
| 94 | 4: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1) | 96 | 4: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1) |
| 95 | mtlr r0 | 97 | mtlr r0 |
| 96 | mtmsrd r6 | 98 | MTMSRD(r6) |
| 97 | isync | 99 | isync |
| 98 | mr r3,r9 | 100 | mr r3,r9 |
| 99 | addi r1,r1,STKFRM | 101 | addi r1,r1,STKFRM |
| @@ -108,7 +110,7 @@ _GLOBAL(do_lfd) | |||
| 108 | mfmsr r6 | 110 | mfmsr r6 |
| 109 | ori r7,r6,MSR_FP | 111 | ori r7,r6,MSR_FP |
| 110 | cmpwi cr7,r3,0 | 112 | cmpwi cr7,r3,0 |
| 111 | mtmsrd r7 | 113 | MTMSRD(r7) |
| 112 | isync | 114 | isync |
| 113 | beq cr7,1f | 115 | beq cr7,1f |
| 114 | stfd fr0,STKFRM-16(r1) | 116 | stfd fr0,STKFRM-16(r1) |
| @@ -120,7 +122,7 @@ _GLOBAL(do_lfd) | |||
| 120 | lfd fr0,STKFRM-16(r1) | 122 | lfd fr0,STKFRM-16(r1) |
| 121 | 4: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1) | 123 | 4: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1) |
| 122 | mtlr r0 | 124 | mtlr r0 |
| 123 | mtmsrd r6 | 125 | MTMSRD(r6) |
| 124 | isync | 126 | isync |
| 125 | mr r3,r9 | 127 | mr r3,r9 |
| 126 | addi r1,r1,STKFRM | 128 | addi r1,r1,STKFRM |
| @@ -135,7 +137,7 @@ _GLOBAL(do_stfs) | |||
| 135 | mfmsr r6 | 137 | mfmsr r6 |
| 136 | ori r7,r6,MSR_FP | 138 | ori r7,r6,MSR_FP |
| 137 | cmpwi cr7,r3,0 | 139 | cmpwi cr7,r3,0 |
| 138 | mtmsrd r7 | 140 | MTMSRD(r7) |
| 139 | isync | 141 | isync |
| 140 | beq cr7,1f | 142 | beq cr7,1f |
| 141 | stfd fr0,STKFRM-16(r1) | 143 | stfd fr0,STKFRM-16(r1) |
| @@ -147,7 +149,7 @@ _GLOBAL(do_stfs) | |||
| 147 | lfd fr0,STKFRM-16(r1) | 149 | lfd fr0,STKFRM-16(r1) |
| 148 | 4: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1) | 150 | 4: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1) |
| 149 | mtlr r0 | 151 | mtlr r0 |
| 150 | mtmsrd r6 | 152 | MTMSRD(r6) |
| 151 | isync | 153 | isync |
| 152 | mr r3,r9 | 154 | mr r3,r9 |
| 153 | addi r1,r1,STKFRM | 155 | addi r1,r1,STKFRM |
| @@ -162,7 +164,7 @@ _GLOBAL(do_stfd) | |||
| 162 | mfmsr r6 | 164 | mfmsr r6 |
| 163 | ori r7,r6,MSR_FP | 165 | ori r7,r6,MSR_FP |
| 164 | cmpwi cr7,r3,0 | 166 | cmpwi cr7,r3,0 |
| 165 | mtmsrd r7 | 167 | MTMSRD(r7) |
| 166 | isync | 168 | isync |
| 167 | beq cr7,1f | 169 | beq cr7,1f |
| 168 | stfd fr0,STKFRM-16(r1) | 170 | stfd fr0,STKFRM-16(r1) |
| @@ -174,7 +176,7 @@ _GLOBAL(do_stfd) | |||
| 174 | lfd fr0,STKFRM-16(r1) | 176 | lfd fr0,STKFRM-16(r1) |
| 175 | 4: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1) | 177 | 4: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1) |
| 176 | mtlr r0 | 178 | mtlr r0 |
| 177 | mtmsrd r6 | 179 | MTMSRD(r6) |
| 178 | isync | 180 | isync |
| 179 | mr r3,r9 | 181 | mr r3,r9 |
| 180 | addi r1,r1,STKFRM | 182 | addi r1,r1,STKFRM |
| @@ -229,7 +231,7 @@ _GLOBAL(do_lvx) | |||
| 229 | oris r7,r6,MSR_VEC@h | 231 | oris r7,r6,MSR_VEC@h |
| 230 | cmpwi cr7,r3,0 | 232 | cmpwi cr7,r3,0 |
| 231 | li r8,STKFRM-16 | 233 | li r8,STKFRM-16 |
| 232 | mtmsrd r7 | 234 | MTMSRD(r7) |
| 233 | isync | 235 | isync |
| 234 | beq cr7,1f | 236 | beq cr7,1f |
| 235 | stvx vr0,r1,r8 | 237 | stvx vr0,r1,r8 |
| @@ -241,7 +243,7 @@ _GLOBAL(do_lvx) | |||
| 241 | lvx vr0,r1,r8 | 243 | lvx vr0,r1,r8 |
| 242 | 4: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1) | 244 | 4: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1) |
| 243 | mtlr r0 | 245 | mtlr r0 |
| 244 | mtmsrd r6 | 246 | MTMSRD(r6) |
| 245 | isync | 247 | isync |
| 246 | mr r3,r9 | 248 | mr r3,r9 |
| 247 | addi r1,r1,STKFRM | 249 | addi r1,r1,STKFRM |
| @@ -257,7 +259,7 @@ _GLOBAL(do_stvx) | |||
| 257 | oris r7,r6,MSR_VEC@h | 259 | oris r7,r6,MSR_VEC@h |
| 258 | cmpwi cr7,r3,0 | 260 | cmpwi cr7,r3,0 |
| 259 | li r8,STKFRM-16 | 261 | li r8,STKFRM-16 |
| 260 | mtmsrd r7 | 262 | MTMSRD(r7) |
| 261 | isync | 263 | isync |
| 262 | beq cr7,1f | 264 | beq cr7,1f |
| 263 | stvx vr0,r1,r8 | 265 | stvx vr0,r1,r8 |
| @@ -269,7 +271,7 @@ _GLOBAL(do_stvx) | |||
| 269 | lvx vr0,r1,r8 | 271 | lvx vr0,r1,r8 |
| 270 | 4: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1) | 272 | 4: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1) |
| 271 | mtlr r0 | 273 | mtlr r0 |
| 272 | mtmsrd r6 | 274 | MTMSRD(r6) |
| 273 | isync | 275 | isync |
| 274 | mr r3,r9 | 276 | mr r3,r9 |
| 275 | addi r1,r1,STKFRM | 277 | addi r1,r1,STKFRM |
| @@ -325,7 +327,7 @@ _GLOBAL(do_lxvd2x) | |||
| 325 | oris r7,r6,MSR_VSX@h | 327 | oris r7,r6,MSR_VSX@h |
| 326 | cmpwi cr7,r3,0 | 328 | cmpwi cr7,r3,0 |
| 327 | li r8,STKFRM-16 | 329 | li r8,STKFRM-16 |
| 328 | mtmsrd r7 | 330 | MTMSRD(r7) |
| 329 | isync | 331 | isync |
| 330 | beq cr7,1f | 332 | beq cr7,1f |
| 331 | STXVD2X(0,r1,r8) | 333 | STXVD2X(0,r1,r8) |
| @@ -337,7 +339,7 @@ _GLOBAL(do_lxvd2x) | |||
| 337 | LXVD2X(0,r1,r8) | 339 | LXVD2X(0,r1,r8) |
| 338 | 4: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1) | 340 | 4: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1) |
| 339 | mtlr r0 | 341 | mtlr r0 |
| 340 | mtmsrd r6 | 342 | MTMSRD(r6) |
| 341 | isync | 343 | isync |
| 342 | mr r3,r9 | 344 | mr r3,r9 |
| 343 | addi r1,r1,STKFRM | 345 | addi r1,r1,STKFRM |
| @@ -353,7 +355,7 @@ _GLOBAL(do_stxvd2x) | |||
| 353 | oris r7,r6,MSR_VSX@h | 355 | oris r7,r6,MSR_VSX@h |
| 354 | cmpwi cr7,r3,0 | 356 | cmpwi cr7,r3,0 |
| 355 | li r8,STKFRM-16 | 357 | li r8,STKFRM-16 |
| 356 | mtmsrd r7 | 358 | MTMSRD(r7) |
| 357 | isync | 359 | isync |
| 358 | beq cr7,1f | 360 | beq cr7,1f |
| 359 | STXVD2X(0,r1,r8) | 361 | STXVD2X(0,r1,r8) |
| @@ -365,7 +367,7 @@ _GLOBAL(do_stxvd2x) | |||
| 365 | LXVD2X(0,r1,r8) | 367 | LXVD2X(0,r1,r8) |
| 366 | 4: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1) | 368 | 4: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1) |
| 367 | mtlr r0 | 369 | mtlr r0 |
| 368 | mtmsrd r6 | 370 | MTMSRD(r6) |
| 369 | isync | 371 | isync |
| 370 | mr r3,r9 | 372 | mr r3,r9 |
| 371 | addi r1,r1,STKFRM | 373 | addi r1,r1,STKFRM |
| @@ -373,3 +375,5 @@ _GLOBAL(do_stxvd2x) | |||
| 373 | extab 2b,3b | 375 | extab 2b,3b |
| 374 | 376 | ||
| 375 | #endif /* CONFIG_VSX */ | 377 | #endif /* CONFIG_VSX */ |
| 378 | |||
| 379 | #endif /* CONFIG_PPC_FPU */ | ||
