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Searched refs:fpu (Results 1 – 25 of 120) sorted by relevance

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/arch/x86/include/asm/trace/
A Dfpu.h11 TP_PROTO(struct fpu *fpu),
12 TP_ARGS(fpu),
15 __field(struct fpu *, fpu)
22 __entry->fpu = fpu;
38 TP_PROTO(struct fpu *fpu),
43 TP_PROTO(struct fpu *fpu),
48 TP_PROTO(struct fpu *fpu),
53 TP_PROTO(struct fpu *fpu),
58 TP_PROTO(struct fpu *fpu),
63 TP_PROTO(struct fpu *fpu),
[all …]
/arch/x86/kernel/fpu/
A Dcontext.h31 static inline void __fpu_invalidate_fpregs_state(struct fpu *fpu) in __fpu_invalidate_fpregs_state() argument
33 fpu->last_cpu = -1; in __fpu_invalidate_fpregs_state()
36 static inline int fpregs_state_valid(struct fpu *fpu, unsigned int cpu) in fpregs_state_valid() argument
38 return fpu == this_cpu_read(fpu_fpregs_owner_ctx) && cpu == fpu->last_cpu; in fpregs_state_valid()
41 static inline void fpregs_deactivate(struct fpu *fpu) in fpregs_deactivate() argument
44 trace_x86_fpu_regs_deactivated(fpu); in fpregs_deactivate()
47 static inline void fpregs_activate(struct fpu *fpu) in fpregs_activate() argument
50 trace_x86_fpu_regs_activated(fpu); in fpregs_activate()
56 struct fpu *fpu = x86_task_fpu(current); in fpregs_restore_userregs() local
76 fpregs_activate(fpu); in fpregs_restore_userregs()
[all …]
A Dcore.c117 static void update_avx_timestamp(struct fpu *fpu) in update_avx_timestamp() argument
140 void save_fpregs_to_fpstate(struct fpu *fpu) in save_fpregs_to_fpstate() argument
357 struct fpu *fpu = x86_task_fpu(current); in fpu_swap_kvm_fpstate() local
371 fpu->fpstate = fpu->__task_fpstate; in fpu_swap_kvm_fpstate()
487 void fpu_sync_fpstate(struct fpu *fpu) in fpu_sync_fpstate() argument
573 void fpstate_reset(struct fpu *fpu) in fpstate_reset() argument
576 fpu->fpstate = &fpu->__fpstate; in fpstate_reset()
739 struct fpu *fpu; in fpu__drop() local
782 struct fpu *fpu = x86_task_fpu(current); in fpu_reset_fpstate_regs() local
885 struct fpu *fpu = x86_task_fpu(current); in fpregs_assert_state_consistent() local
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A Dregset.c46 static void sync_fpstate(struct fpu *fpu) in sync_fpstate() argument
60 static void fpu_force_restore(struct fpu *fpu) in fpu_force_restore() argument
74 struct fpu *fpu = x86_task_fpu(target); in xfpregs_get() local
79 sync_fpstate(fpu); in xfpregs_get()
94 struct fpu *fpu = x86_task_fpu(target); in xfpregs_set() local
146 struct fpu *fpu = x86_task_fpu(target); in xstateregs_set() local
190 struct fpu *fpu = x86_task_fpu(target); in ssp_get() local
197 sync_fpstate(fpu); in ssp_get()
217 struct fpu *fpu = x86_task_fpu(target); in ssp_set() local
404 struct fpu *fpu = x86_task_fpu(target); in fpregs_get() local
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A Dsignal.c266 struct fpu *fpu = x86_task_fpu(current); in restore_fpregs_from_user() local
274 xfd_update_state(fpu->fpstate); in restore_fpregs_from_user()
315 os_xrstor_supervisor(fpu->fpstate); in restore_fpregs_from_user()
326 struct fpu *fpu = x86_task_fpu(tsk); in __fpu_restore_sig() local
374 os_xsave(fpu->fpstate); in __fpu_restore_sig()
377 __fpu_invalidate_fpregs_state(fpu); in __fpu_restore_sig()
381 fpregs = &fpu->fpstate->regs; in __fpu_restore_sig()
421 success = !os_xrstor_safe(fpu->fpstate, in __fpu_restore_sig()
446 struct fpu *fpu = x86_task_fpu(current); in fpu__restore_sig() local
453 fpu__clear_user_states(fpu); in fpu__restore_sig()
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A Dinternal.h26 extern void fpstate_reset(struct fpu *fpu);
/arch/mips/kernel/
A Dasm-offsets.c150 OFFSET(THREAD_FPU, task_struct, thread.fpu); in output_thread_fpu_defines()
368 OFFSET(VCPU_FPR0, kvm_vcpu_arch, fpu.fpr[0]); in output_kvm_defines()
369 OFFSET(VCPU_FPR1, kvm_vcpu_arch, fpu.fpr[1]); in output_kvm_defines()
370 OFFSET(VCPU_FPR2, kvm_vcpu_arch, fpu.fpr[2]); in output_kvm_defines()
371 OFFSET(VCPU_FPR3, kvm_vcpu_arch, fpu.fpr[3]); in output_kvm_defines()
372 OFFSET(VCPU_FPR4, kvm_vcpu_arch, fpu.fpr[4]); in output_kvm_defines()
373 OFFSET(VCPU_FPR5, kvm_vcpu_arch, fpu.fpr[5]); in output_kvm_defines()
374 OFFSET(VCPU_FPR6, kvm_vcpu_arch, fpu.fpr[6]); in output_kvm_defines()
375 OFFSET(VCPU_FPR7, kvm_vcpu_arch, fpu.fpr[7]); in output_kvm_defines()
376 OFFSET(VCPU_FPR8, kvm_vcpu_arch, fpu.fpr[8]); in output_kvm_defines()
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/arch/sparc/kernel/
A Dsigutil_64.c15 int save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu) in save_fpu_state() argument
23 err |= copy_to_user(&fpu->si_float_regs[0], fpregs, in save_fpu_state()
26 err |= copy_to_user(&fpu->si_float_regs[32], fpregs+16, in save_fpu_state()
28 err |= __put_user(current_thread_info()->xfsr[0], &fpu->si_fsr); in save_fpu_state()
29 err |= __put_user(current_thread_info()->gsr[0], &fpu->si_gsr); in save_fpu_state()
30 err |= __put_user(fprs, &fpu->si_fprs); in save_fpu_state()
41 if (((unsigned long) fpu) & 7) in restore_fpu_state()
44 err = get_user(fprs, &fpu->si_fprs); in restore_fpu_state()
48 err |= copy_from_user(fpregs, &fpu->si_float_regs[0], in restore_fpu_state()
51 err |= copy_from_user(fpregs+16, &fpu->si_float_regs[32], in restore_fpu_state()
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A Dsigutil_32.c15 int save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu) in save_fpu_state() argument
35 err |= __copy_to_user(&fpu->si_float_regs[0], in save_fpu_state()
38 err |= __put_user(current->thread.fsr, &fpu->si_fsr); in save_fpu_state()
39 err |= __put_user(current->thread.fpqdepth, &fpu->si_fpqdepth); in save_fpu_state()
41 err |= __copy_to_user(&fpu->si_fpqueue[0], in save_fpu_state()
49 int restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu) in restore_fpu_state() argument
53 if (((unsigned long) fpu) & 3) in restore_fpu_state()
68 if (!access_ok(fpu, sizeof(*fpu))) in restore_fpu_state()
73 err |= __get_user(current->thread.fsr, &fpu->si_fsr); in restore_fpu_state()
74 err |= __get_user(current->thread.fpqdepth, &fpu->si_fpqdepth); in restore_fpu_state()
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A Dsigutil.h5 int save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu);
6 int restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu);
/arch/loongarch/include/asm/
A Dfpu.h121 _restore_fp(&current->thread.fpu); in own_fpu_inatomic()
137 _save_fp(&tsk->thread.fpu); in lose_fpu_inatomic()
175 _save_fp(&tsk->thread.fpu); in save_fp()
181 _restore_fp(&tsk->thread.fpu); in restore_fp()
195 _save_lasx(&current->thread.fpu); in save_fpu_regs()
200 _save_lsx(&current->thread.fpu); in save_fpu_regs()
204 _save_fp(&current->thread.fpu); in save_fpu_regs()
232 _save_lsx(&t->thread.fpu); in save_lsx()
238 _restore_lsx(&t->thread.fpu); in restore_lsx()
280 _save_lasx(&t->thread.fpu); in save_lasx()
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A Dkvm_vcpu.h55 void kvm_save_fpu(struct loongarch_fpu *fpu);
56 void kvm_restore_fpu(struct loongarch_fpu *fpu);
57 void kvm_restore_fcsr(struct loongarch_fpu *fpu);
61 void kvm_save_lsx(struct loongarch_fpu *fpu);
62 void kvm_restore_lsx(struct loongarch_fpu *fpu);
65 static inline void kvm_save_lsx(struct loongarch_fpu *fpu) { } in kvm_save_lsx() argument
66 static inline void kvm_restore_lsx(struct loongarch_fpu *fpu) { } in kvm_restore_lsx() argument
71 void kvm_save_lasx(struct loongarch_fpu *fpu);
72 void kvm_restore_lasx(struct loongarch_fpu *fpu);
75 static inline void kvm_save_lasx(struct loongarch_fpu *fpu) { } in kvm_save_lasx() argument
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/arch/x86/include/asm/fpu/
A Dapi.h112 extern int fpu__exception_code(struct fpu *fpu, int trap_nr);
113 extern void fpu_sync_fpstate(struct fpu *fpu);
130 DECLARE_PER_CPU(struct fpu *, fpu_fpregs_owner_ctx);
134 extern void fpstate_free(struct fpu *fpu);
136 static inline void fpstate_free(struct fpu *fpu) { } in fpstate_free() argument
A Dsched.h12 extern void save_fpregs_to_fpstate(struct fpu *fpu);
37 struct fpu *old_fpu = x86_task_fpu(old); in switch_fpu()
/arch/m68k/kernel/
A Dprocess.c218 int elf_core_copy_task_fpregs(struct task_struct *t, elf_fpregset_t *fpu) in elf_core_copy_task_fpregs() argument
223 memcpy(fpu->fpcntl, current->thread.fpcntl, 12); in elf_core_copy_task_fpregs()
224 memcpy(fpu->fpregs, current->thread.fp, 96); in elf_core_copy_task_fpregs()
229 fpu->fpregs[i] = ((fpu->fpregs[i] & 0xffff0000) << 15) | in elf_core_copy_task_fpregs()
230 ((fpu->fpregs[i] & 0x0000ffff) << 16); in elf_core_copy_task_fpregs()
248 : "m" (fpu->fpcntl[0]), in elf_core_copy_task_fpregs()
249 "m" (fpu->fpcntl[1]), in elf_core_copy_task_fpregs()
250 "m" (fpu->fpcntl[2]), in elf_core_copy_task_fpregs()
251 "m" (fpu->fpregs[0]) in elf_core_copy_task_fpregs()
256 : "m" (fpu->fpcntl[0]) in elf_core_copy_task_fpregs()
[all …]
A Dsetup_mm.c378 const char *cpu, *mmu, *fpu; in show_cpuinfo() local
408 fpu = "none(soft float)"; in show_cpuinfo()
411 fpu = "68881"; in show_cpuinfo()
413 fpu = "68882"; in show_cpuinfo()
415 fpu = "68040"; in show_cpuinfo()
417 fpu = "68060"; in show_cpuinfo()
419 fpu = "Sun FPA"; in show_cpuinfo()
421 fpu = "ColdFire"; in show_cpuinfo()
423 fpu = "none"; in show_cpuinfo()
451 cpu, mmu, fpu, in show_cpuinfo()
/arch/loongarch/kernel/
A Dkfpu.c54 _save_lasx(&current->thread.fpu); in kernel_fpu_begin()
59 _save_lsx(&current->thread.fpu); in kernel_fpu_begin()
63 _save_fp(&current->thread.fpu); in kernel_fpu_begin()
79 _restore_lasx(&current->thread.fpu); in kernel_fpu_end()
84 _restore_lsx(&current->thread.fpu); in kernel_fpu_end()
88 _restore_fp(&current->thread.fpu); in kernel_fpu_end()
A Dsignal.c67 struct _ctx_layout fpu; member
96 err |= __put_user(current->thread.fpu.fcc, fcc); in copy_fpu_to_sigcontext()
97 err |= __put_user(current->thread.fpu.fcsr, fcsr); in copy_fpu_to_sigcontext()
115 err |= __get_user(current->thread.fpu.fcc, fcc); in copy_fpu_from_sigcontext()
135 err |= __put_user(current->thread.fpu.fcc, fcc); in copy_lsx_to_sigcontext()
156 err |= __get_user(current->thread.fpu.fcc, fcc); in copy_lsx_from_sigcontext()
180 err |= __put_user(current->thread.fpu.fcc, fcc); in copy_lasx_to_sigcontext()
205 err |= __get_user(current->thread.fpu.fcc, fcc); in copy_lasx_from_sigcontext()
689 else if (extctx->fpu.addr) in setup_sigcontext()
720 extctx->fpu.addr = info; in parse_extcontext()
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A Dptrace.c57 memset(&target->thread.fpu.fpr, ~0, sizeof(target->thread.fpu.fpr)); in init_fp_ctx()
123 return membuf_write(to, &target->thread.fpu.fpr, in gfpr_get()
158 r = membuf_write(&to, &target->thread.fpu.fcc, sizeof(target->thread.fpu.fcc)); in fpr_get()
159 r = membuf_write(&to, &target->thread.fpu.fcsr, sizeof(target->thread.fpu.fcsr)); in fpr_get()
169 &target->thread.fpu.fpr, in gfpr_set()
220 &target->thread.fpu.fcc, fcc_start, in fpr_set()
223 &target->thread.fpu.fcsr, fcsr_start, in fpr_set()
322 &target->thread.fpu.fpr, in simd_set()
327 sizeof(target->thread.fpu.fpr[0])); in simd_set()
332 &target->thread.fpu.fpr[i], in simd_set()
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/arch/arc/kernel/
A Dfpu.c34 unsigned int *saveto = &prev->thread.fpu.aux_dpfp[0].l; in fpu_save_restore()
35 unsigned int *readfrom = &next->thread.fpu.aux_dpfp[0].l; in fpu_save_restore()
71 struct arc_fpu *save = &prev->thread.fpu; in fpu_save_restore()
72 struct arc_fpu *restore = &next->thread.fpu; in fpu_save_restore()
/arch/s390/include/asm/
A Dfpu.h77 void load_fpu_state(struct fpu *state, int flags);
78 void save_fpu_state(struct fpu *state, int flags);
277 static inline void fpregs_store(_s390_fp_regs *fpregs, struct fpu *fpu) in fpregs_store() argument
280 fpregs->fpc = fpu->fpc; in fpregs_store()
281 convert_vx_to_fp((freg_t *)&fpregs->fprs, fpu->vxrs); in fpregs_store()
284 static inline void fpregs_load(_s390_fp_regs *fpregs, struct fpu *fpu) in fpregs_load() argument
286 fpu->fpc = fpregs->fpc; in fpregs_load()
287 convert_fp_to_vx(fpu->vxrs, (freg_t *)&fpregs->fprs); in fpregs_load()
/arch/mips/loongson64/
A Dcop2-ex.c98 set_fpr64(&current->thread.fpu.fpr[insn.loongson3_lswc2_format.rt], 0, value); in loongson_cu2_call()
99 set_fpr64(&current->thread.fpu.fpr[insn.loongson3_lswc2_format.rq], 0, value_next); in loongson_cu2_call()
131 value_next = get_fpr64(&current->thread.fpu.fpr[insn.loongson3_lswc2_format.rq], 0); in loongson_cu2_call()
137 value = get_fpr64(&current->thread.fpu.fpr[insn.loongson3_lswc2_format.rt], 0); in loongson_cu2_call()
203 set_fpr64(&current->thread.fpu.fpr[insn.loongson3_lsdc2_format.rt], 0, value); in loongson_cu2_call()
219 set_fpr64(&current->thread.fpu.fpr[insn.loongson3_lsdc2_format.rt], 0, value); in loongson_cu2_call()
283 value = get_fpr64(&current->thread.fpu.fpr[insn.loongson3_lsdc2_format.rt], 0); in loongson_cu2_call()
301 value = get_fpr64(&current->thread.fpu.fpr[insn.loongson3_lsdc2_format.rt], 0); in loongson_cu2_call()
/arch/mips/include/asm/
A Dfpu.h132 if (current->thread.fpu.fcr31 & FPU_CSR_NAN2008) { in __own_fpu()
184 tsk->thread.fpu.fcr31 = in lose_fpu_inatomic()
228 memset(&target->thread.fpu.fpr, ~0, sizeof(target->thread.fpu.fpr)); in init_fp_ctx()
263 return tsk->thread.fpu.fpr; in get_fpu_regs()
/arch/csky/kernel/
A Dprocess.c73 int elf_core_copy_task_fpregs(struct task_struct *t, elf_fpregset_t *fpu) in elf_core_copy_task_fpregs() argument
75 memcpy(fpu, &current->thread.user_fp, sizeof(*fpu)); in elf_core_copy_task_fpregs()
/arch/arm/vfp/
A Dvfphw.S83 .fpu vfpv2
98 .fpu vfpv2
113 .fpu vfpv2
121 .fpu vfpv3
137 .fpu vfpv2
144 .fpu vfpv3

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