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Searched refs:fpscr (Results 1 – 25 of 35) sorted by relevance

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/arch/powerpc/include/asm/
Dkvm_fpu.h25 extern void fps_fres(u64 *fpscr, u32 *dst, u32 *src1);
26 extern void fps_frsqrte(u64 *fpscr, u32 *dst, u32 *src1);
27 extern void fps_fsqrts(u64 *fpscr, u32 *dst, u32 *src1);
29 extern void fps_fadds(u64 *fpscr, u32 *dst, u32 *src1, u32 *src2);
30 extern void fps_fdivs(u64 *fpscr, u32 *dst, u32 *src1, u32 *src2);
31 extern void fps_fmuls(u64 *fpscr, u32 *dst, u32 *src1, u32 *src2);
32 extern void fps_fsubs(u64 *fpscr, u32 *dst, u32 *src1, u32 *src2);
34 extern void fps_fmadds(u64 *fpscr, u32 *dst, u32 *src1, u32 *src2,
36 extern void fps_fmsubs(u64 *fpscr, u32 *dst, u32 *src1, u32 *src2,
38 extern void fps_fnmadds(u64 *fpscr, u32 *dst, u32 *src1, u32 *src2,
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/arch/powerpc/math-emu/
Dmtfsf.c12 u32 fpscr; in mtfsf() local
29 fpscr = ((__FPU_FPSCR & ~mask) | (frB[1] & mask)) & in mtfsf()
32 if (fpscr & (FPSCR_VXSNAN | FPSCR_VXISI | FPSCR_VXIDI | in mtfsf()
35 fpscr |= FPSCR_VX; in mtfsf()
41 if (fpscr & (fpscr >> 22) & 0xf8) in mtfsf()
42 fpscr |= FPSCR_FEX; in mtfsf()
44 __FPU_FPSCR = fpscr; in mtfsf()
Dmath.c169 u32 fpscr; in record_exception() local
171 fpscr = __FPU_FPSCR; in record_exception()
174 fpscr |= FPSCR_FX; in record_exception()
176 fpscr |= FPSCR_OX; in record_exception()
178 fpscr |= FPSCR_UX; in record_exception()
180 fpscr |= FPSCR_ZX; in record_exception()
182 fpscr |= FPSCR_XX; in record_exception()
184 fpscr |= FPSCR_VX; in record_exception()
186 fpscr |= FPSCR_VXSNAN; in record_exception()
188 fpscr |= FPSCR_VXISI; in record_exception()
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Dfctiwz.c14 u32 fpscr; in fctiwz() local
17 fpscr = __FPU_FPSCR; in fctiwz()
25 __FPU_FPSCR = fpscr; in fctiwz()
/arch/arm/vfp/
Dvfpsingle.c69 #define vfp_single_normaliseround(sd,vsd,fpscr,except,func) __vfp_single_normaliseround(sd,vsd,fpsc… argument
70 u32 __vfp_single_normaliseround(int sd, struct vfp_single *vs, u32 fpscr, u32 exceptions) in __vfp_single_normaliseround() argument
72 u32 vfp_single_normaliseround(int sd, struct vfp_single *vs, u32 fpscr, u32 exceptions, const char … in __vfp_single_normaliseround()
134 rmode = fpscr & FPSCR_RMODE_MASK; in __vfp_single_normaliseround()
216 struct vfp_single *vsm, u32 fpscr) in vfp_propagate_nan() argument
226 if (fpscr & FPSCR_DEFAULT_NAN) in vfp_propagate_nan()
259 static u32 vfp_single_fabs(int sd, int unused, s32 m, u32 fpscr) in vfp_single_fabs() argument
265 static u32 vfp_single_fcpy(int sd, int unused, s32 m, u32 fpscr) in vfp_single_fcpy() argument
271 static u32 vfp_single_fneg(int sd, int unused, s32 m, u32 fpscr) in vfp_single_fneg() argument
316 static u32 vfp_single_fsqrt(int sd, int unused, s32 m, u32 fpscr) in vfp_single_fsqrt() argument
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Dvfpdouble.c70 u32 vfp_double_normaliseround(int dd, struct vfp_double *vd, u32 fpscr, u32 exceptions, const char … in vfp_double_normaliseround() argument
129 rmode = fpscr & FPSCR_RMODE_MASK; in vfp_double_normaliseround()
208 struct vfp_double *vdm, u32 fpscr) in vfp_propagate_nan() argument
218 if (fpscr & FPSCR_DEFAULT_NAN) in vfp_propagate_nan()
250 static u32 vfp_double_fabs(int dd, int unused, int dm, u32 fpscr) in vfp_double_fabs() argument
256 static u32 vfp_double_fcpy(int dd, int unused, int dm, u32 fpscr) in vfp_double_fcpy() argument
262 static u32 vfp_double_fneg(int dd, int unused, int dm, u32 fpscr) in vfp_double_fneg() argument
268 static u32 vfp_double_fsqrt(int dd, int unused, int dm, u32 fpscr) in vfp_double_fsqrt() argument
279 ret = vfp_propagate_nan(vdp, &vdm, NULL, fpscr); in vfp_double_fsqrt()
349 return vfp_double_normaliseround(dd, &vdd, fpscr, 0, "fsqrt"); in vfp_double_fsqrt()
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Dvfpmodule.c115 vfp->hard.fpscr = FPSCR_ROUND_NEAREST; in vfp_thread_flush()
252 static void vfp_raise_exceptions(u32 exceptions, u32 inst, u32 fpscr, struct pt_regs *regs) in vfp_raise_exceptions() argument
270 fpscr &= ~(FPSCR_N|FPSCR_Z|FPSCR_C|FPSCR_V); in vfp_raise_exceptions()
272 fpscr |= exceptions; in vfp_raise_exceptions()
274 fmxr(FPSCR, fpscr); in vfp_raise_exceptions()
277 if (exceptions & stat && fpscr & en) \ in vfp_raise_exceptions()
296 static u32 vfp_emulate_instruction(u32 inst, u32 fpscr, struct pt_regs *regs) in vfp_emulate_instruction() argument
300 pr_debug("VFP: emulate: INST=0x%08x SCR=0x%08x\n", inst, fpscr); in vfp_emulate_instruction()
308 exceptions = vfp_single_cpdo(inst, fpscr); in vfp_emulate_instruction()
310 exceptions = vfp_double_cpdo(inst, fpscr); in vfp_emulate_instruction()
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Dvfpinstr.h85 u32 vfp_single_cpdo(u32 inst, u32 fpscr);
86 u32 vfp_single_cprt(u32 inst, u32 fpscr, struct pt_regs *regs);
88 u32 vfp_double_cpdo(u32 inst, u32 fpscr);
Dvfp.h248 #define vfp_single_normaliseround(sd,vsd,fpscr,except,func) __vfp_single_normaliseround(sd,vsd,fpsc… argument
249 u32 __vfp_single_normaliseround(int sd, struct vfp_single *vs, u32 fpscr, u32 exceptions);
251 u32 vfp_single_normaliseround(int sd, struct vfp_single *vs, u32 fpscr, u32 exceptions, const char …
346 u32 vfp_double_normaliseround(int dd, struct vfp_double *vd, u32 fpscr, u32 exceptions, const char …
376 u32 (* const fn)(int dd, int dn, int dm, u32 fpscr);
/arch/sh/kernel/cpu/sh4/
Dfpu.c234 if ((tsk->thread.xstate->hardfpu.fpscr & FPSCR_CAUSE_ERROR)) in ieee_fpe_handler()
246 int fpscr; in ieee_fpe_handler() local
254 fpscr = tsk->thread.xstate->hardfpu.fpscr; in ieee_fpe_handler()
255 prec = fpscr & FPSCR_DBL_PRECISION; in ieee_fpe_handler()
257 if ((fpscr & FPSCR_CAUSE_ERROR) in ieee_fpe_handler()
270 } else if ((fpscr & FPSCR_CAUSE_ERROR) in ieee_fpe_handler()
284 int fpscr; in ieee_fpe_handler() local
292 fpscr = tsk->thread.xstate->hardfpu.fpscr; in ieee_fpe_handler()
293 prec = fpscr & FPSCR_DBL_PRECISION; in ieee_fpe_handler()
295 if ((fpscr & FPSCR_CAUSE_ERROR) in ieee_fpe_handler()
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/arch/powerpc/kvm/
Dbook3s_paired_singles.c512 void (*func)(u64 *fpscr, in kvmppc_ps_three_in() argument
532 func(&vcpu->arch.fp.fpscr, &ps0_out, &ps0_in1, &ps0_in2, &ps0_in3); in kvmppc_ps_three_in()
549 func(&vcpu->arch.fp.fpscr, &qpr[reg_out], &ps1_in1, &ps1_in2, &ps1_in3); in kvmppc_ps_three_in()
560 void (*func)(u64 *fpscr, in kvmppc_ps_two_in() argument
581 func(&vcpu->arch.fp.fpscr, &ps0_out, &ps0_in1, &ps0_in2); in kvmppc_ps_two_in()
597 func(&vcpu->arch.fp.fpscr, &ps1_out, &ps1_in1, &ps1_in2); in kvmppc_ps_two_in()
623 func(&vcpu->arch.fp.fpscr, &ps0_out, &ps0_in); in kvmppc_ps_one_in()
632 func(&vcpu->arch.fp.fpscr, &qpr[reg_out], &ps1_in); in kvmppc_ps_one_in()
1118 fpd_fadds(&vcpu->arch.fp.fpscr, &cr, fpr_d, fpr_a, fpr_b); in kvmppc_emulate_paired_single()
1122 fpd_fsubs(&vcpu->arch.fp.fpscr, &cr, fpr_d, fpr_a, fpr_b); in kvmppc_emulate_paired_single()
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/arch/sh/kernel/cpu/sh2a/
Dfpu.c459 if ((tsk->thread.xstate->hardfpu.fpscr & FPSCR_FPU_ERROR)) { in ieee_fpe_handler()
470 int fpscr; in ieee_fpe_handler() local
478 fpscr = tsk->thread.xstate->hardfpu.fpscr; in ieee_fpe_handler()
479 prec = fpscr & (1 << 19); in ieee_fpe_handler()
481 if ((fpscr & FPSCR_FPU_ERROR) in ieee_fpe_handler()
497 } else if ((fpscr & FPSCR_FPU_ERROR) in ieee_fpe_handler()
513 int fpscr; in ieee_fpe_handler() local
521 fpscr = tsk->thread.xstate->hardfpu.fpscr; in ieee_fpe_handler()
522 prec = fpscr & (1 << 19); in ieee_fpe_handler()
524 if ((fpscr & FPSCR_FPU_ERROR) in ieee_fpe_handler()
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/arch/sh/include/asm/
Duser.h33 unsigned int fpscr; member
39 unsigned long fpscr; member
Dprocessor_32.h74 unsigned long fpscr; member
84 unsigned long fpscr; member
Dprocessor_64.h85 unsigned int fpscr; member
92 unsigned int fpscr; member
/arch/sh/kernel/cpu/
Dfpu.c28 fp->fpscr = FPSCR_INIT; in init_fpu()
32 fp->fpscr = FPSCR_INIT; in init_fpu()
/arch/arm64/kernel/
Dsignal32.c73 compat_ulong_t fpscr; member
239 compat_ulong_t fpscr, fpexc; in compat_preserve_vfp_context() local
267 fpscr = (fpsimd->fpsr & VFP_FPSCR_STAT_MASK) | in compat_preserve_vfp_context()
269 __put_user_error(fpscr, &frame->ufp.fpscr, err); in compat_preserve_vfp_context()
288 compat_ulong_t fpscr; in compat_restore_vfp_context() local
309 __get_user_error(fpscr, &frame->ufp.fpscr, err); in compat_restore_vfp_context()
310 fpsimd.fpsr = fpscr & VFP_FPSCR_STAT_MASK; in compat_restore_vfp_context()
311 fpsimd.fpcr = fpscr & VFP_FPSCR_CTRL_MASK; in compat_restore_vfp_context()
Dptrace.c782 compat_ulong_t fpscr; in compat_vfp_get() local
795 fpscr = (uregs->fpsr & VFP_FPSCR_STAT_MASK) | in compat_vfp_get()
797 ret = put_user(fpscr, (compat_ulong_t *)ubuf); in compat_vfp_get()
809 compat_ulong_t fpscr; in compat_vfp_set() local
821 ret = get_user(fpscr, (compat_ulong_t *)ubuf); in compat_vfp_set()
822 uregs->fpsr = fpscr & VFP_FPSCR_STAT_MASK; in compat_vfp_set()
823 uregs->fpcr = fpscr & VFP_FPSCR_CTRL_MASK; in compat_vfp_set()
/arch/arm/include/asm/
Duser.h90 unsigned long fpscr; member
Dfpstate.h36 __u32 fpscr; member
/arch/powerpc/kernel/
Dtraps.c827 static inline int __parse_fpscr(unsigned long fpscr) in __parse_fpscr() argument
832 if ((fpscr & FPSCR_VE) && (fpscr & FPSCR_VX)) in __parse_fpscr()
836 else if ((fpscr & FPSCR_OE) && (fpscr & FPSCR_OX)) in __parse_fpscr()
840 else if ((fpscr & FPSCR_UE) && (fpscr & FPSCR_UX)) in __parse_fpscr()
844 else if ((fpscr & FPSCR_ZE) && (fpscr & FPSCR_ZX)) in __parse_fpscr()
848 else if ((fpscr & FPSCR_XE) && (fpscr & FPSCR_XX)) in __parse_fpscr()
860 code = __parse_fpscr(current->thread.fp_state.fpscr); in parse_fpe()
1120 code = __parse_fpscr(current->thread.fp_state.fpscr); in emulate_math()
Dsignal_32.c273 buf[i] = task->thread.fp_state.fpscr; in copy_fpr_to_user()
287 task->thread.fp_state.fpscr = buf[i]; in copy_fpr_from_user()
327 buf[i] = task->thread.transact_fp.fpscr; in copy_transact_fpr_to_user()
341 task->thread.transact_fp.fpscr = buf[i]; in copy_transact_fpr_from_user()
1041 current->thread.fp_state.fpscr = 0; /* turn off all fp exceptions */ in handle_rt_signal32()
1461 current->thread.fp_state.fpscr = 0; /* turn off all fp exceptions */ in handle_signal32()
Dptrace.c374 buf[32] = target->thread.fp_state.fpscr; in fpr_get()
378 BUILD_BUG_ON(offsetof(struct thread_fp_state, fpscr) != in fpr_get()
403 target->thread.fp_state.fpscr = buf[32]; in fpr_set()
406 BUILD_BUG_ON(offsetof(struct thread_fp_state, fpscr) != in fpr_set()
1561 tmp = child->thread.fp_state.fpscr; in arch_ptrace()
1594 child->thread.fp_state.fpscr = data; in arch_ptrace()
/arch/arm/kernel/
Dptrace.c674 const size_t user_fpscr_offset = offsetof(struct user_vfp, fpscr); in vfp_get()
692 &vfp->fpscr, in vfp_get()
694 user_fpscr_offset + sizeof(vfp->fpscr)); in vfp_get()
711 const size_t user_fpscr_offset = offsetof(struct user_vfp, fpscr); in vfp_set()
730 &new_vfp.fpscr, in vfp_set()
732 user_fpscr_offset + sizeof(new_vfp.fpscr)); in vfp_set()
/arch/sh/math-emu/
Dmath.c27 #define FPSCR (fregs->fpscr)
555 if ((tsk->thread.xstate->softfpu.fpscr & (1 << 17))) { in ieee_fpe_handler()
559 tsk->thread.xstate->softfpu.fpscr &= in ieee_fpe_handler()
585 fpu->fpscr = FPSCR_INIT; in fpu_init()

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