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Searched refs:fpu (Results 1 – 25 of 153) sorted by relevance

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/linux/arch/x86/include/asm/trace/
A Dfpu.h11 TP_PROTO(struct fpu *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),
68 TP_PROTO(struct fpu *fpu),
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/linux/arch/x86/kernel/fpu/
A Dcore.c115 void save_fpregs_to_fpstate(struct fpu *fpu) in save_fpregs_to_fpstate() argument
242 struct fpu *fpu = &current->thread.fpu; in fpu_swap_kvm_fpstate() local
256 fpu->fpstate = fpu->__task_fpstate; in fpu_swap_kvm_fpstate()
373 void fpu_sync_fpstate(struct fpu *fpu) in fpu_sync_fpstate() argument
443 void fpstate_reset(struct fpu *fpu) in fpstate_reset() argument
446 fpu->fpstate = &fpu->__fpstate; in fpstate_reset()
546 void fpu__drop(struct fpu *fpu) in fpu__drop() argument
550 if (fpu == &current->thread.fpu) { in fpu__drop()
584 struct fpu *fpu = &current->thread.fpu; in fpu_reset_fpregs() local
669 struct fpu *fpu = &current->thread.fpu; in fpregs_assert_state_consistent() local
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A Dcontext.h32 static inline void __fpu_invalidate_fpregs_state(struct fpu *fpu) in __fpu_invalidate_fpregs_state() argument
34 fpu->last_cpu = -1; in __fpu_invalidate_fpregs_state()
37 static inline int fpregs_state_valid(struct fpu *fpu, unsigned int cpu) in fpregs_state_valid() argument
39 return fpu == this_cpu_read(fpu_fpregs_owner_ctx) && cpu == fpu->last_cpu; in fpregs_state_valid()
42 static inline void fpregs_deactivate(struct fpu *fpu) in fpregs_deactivate() argument
45 trace_x86_fpu_regs_deactivated(fpu); in fpregs_deactivate()
48 static inline void fpregs_activate(struct fpu *fpu) in fpregs_activate() argument
51 trace_x86_fpu_regs_activated(fpu); in fpregs_activate()
57 struct fpu *fpu = &current->thread.fpu; in fpregs_restore_userregs() local
77 fpregs_activate(fpu); in fpregs_restore_userregs()
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A Dregset.c45 static void sync_fpstate(struct fpu *fpu) in sync_fpstate() argument
47 if (fpu == &current->thread.fpu) in sync_fpstate()
59 static void fpu_force_restore(struct fpu *fpu) in fpu_force_restore() argument
65 WARN_ON_FPU(fpu == &current->thread.fpu); in fpu_force_restore()
73 struct fpu *fpu = &target->thread.fpu; in xfpregs_get() local
78 sync_fpstate(fpu); in xfpregs_get()
93 struct fpu *fpu = &target->thread.fpu; in xfpregs_set() local
146 struct fpu *fpu = &target->thread.fpu; in xstateregs_set() local
323 struct fpu *fpu = &target->thread.fpu; in fpregs_get() local
327 sync_fpstate(fpu); in fpregs_get()
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A Dsignal.c280 struct fpu *fpu = &current->thread.fpu; in restore_fpregs_from_user() local
286 xfd_update_state(fpu->fpstate); in restore_fpregs_from_user()
327 os_xrstor_supervisor(fpu->fpstate); in restore_fpregs_from_user()
338 struct fpu *fpu = &tsk->thread.fpu; in __fpu_restore_sig() local
356 state_size = fpu->fpstate->user_size; in __fpu_restore_sig()
390 os_xsave(fpu->fpstate); in __fpu_restore_sig()
393 __fpu_invalidate_fpregs_state(fpu); in __fpu_restore_sig()
397 fpregs = &fpu->fpstate->regs; in __fpu_restore_sig()
462 struct fpu *fpu = &current->thread.fpu; in fpu__restore_sig() local
469 fpu__clear_user_states(fpu); in fpu__restore_sig()
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A Dxstate.c1496 void fpstate_free(struct fpu *fpu) in arch_initcall()
1498 if (fpu->fpstate && fpu->fpstate != &fpu->__fpstate) in arch_initcall()
1499 vfree(fpu->fpstate); in arch_initcall()
1513 static struct fpstate *fpu_install_fpstate(struct fpu *fpu, in fpu_install_fpstate() argument
1518 if (fpu->fpstate == newfps) in fpu_install_fpstate()
1521 fpu->fpstate = newfps; in fpu_install_fpstate()
1542 struct fpu *fpu = &current->thread.fpu; in fpstate_realloc() local
1546 curfps = fpu->fpstate; in fpstate_realloc()
1607 struct fpu *fpu = &current->group_leader->thread.fpu; in __xstate_request_perm() local
1680 struct fpu *fpu; in xfd_enable_feature() local
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A Dinit.c41 fpstate_init_soft(&current->thread.fpu.fpstate->regs.soft); in fpu__init_cpu_generic()
160 task_size -= sizeof(current->thread.fpu.__fpstate.regs); in fpu__init_task_struct_size()
175 CHECK_MEMBER_AT_END_OF(struct fpu, __fpstate); in fpu__init_task_struct_size()
176 CHECK_MEMBER_AT_END_OF(struct thread_struct, fpu); in fpu__init_task_struct_size()
210 fpstate_reset(&current->thread.fpu); in fpu__init_system_xstate_size_legacy()
226 fpstate_reset(&current->thread.fpu); in fpu__init_system()
/linux/arch/mips/kernel/
A Dasm-offsets.c138 OFFSET(THREAD_FPU, task_struct, thread.fpu); in output_thread_fpu_defines()
350 OFFSET(VCPU_FPR0, kvm_vcpu_arch, fpu.fpr[0]); in output_kvm_defines()
351 OFFSET(VCPU_FPR1, kvm_vcpu_arch, fpu.fpr[1]); in output_kvm_defines()
352 OFFSET(VCPU_FPR2, kvm_vcpu_arch, fpu.fpr[2]); in output_kvm_defines()
353 OFFSET(VCPU_FPR3, kvm_vcpu_arch, fpu.fpr[3]); in output_kvm_defines()
354 OFFSET(VCPU_FPR4, kvm_vcpu_arch, fpu.fpr[4]); in output_kvm_defines()
355 OFFSET(VCPU_FPR5, kvm_vcpu_arch, fpu.fpr[5]); in output_kvm_defines()
356 OFFSET(VCPU_FPR6, kvm_vcpu_arch, fpu.fpr[6]); in output_kvm_defines()
357 OFFSET(VCPU_FPR7, kvm_vcpu_arch, fpu.fpr[7]); in output_kvm_defines()
358 OFFSET(VCPU_FPR8, kvm_vcpu_arch, fpu.fpr[8]); in output_kvm_defines()
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A Dptrace.c348 fcr31 = child->thread.fpu.fcr31; in ptrace_setfcr31()
370 __put_user(child->thread.fpu.fcr31, data + 64); in ptrace_getfpregs()
410 membuf_write(to, &target->thread.fpu, in fpr_get_fpa()
458 &target->thread.fpu, in fpr_set_fpa()
622 .fcsr = target->thread.fpu.fcr31, in msa_get()
624 .msacsr = target->thread.fpu.msacsr, in msa_get()
639 sizeof(target->thread.fpu.fpr[0])); in msa_get()
660 &target->thread.fpu.fpr, in msa_set()
665 sizeof(target->thread.fpu.fpr[0])); in msa_set()
670 &target->thread.fpu.fpr[i], in msa_set()
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/linux/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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/linux/arch/s390/include/asm/fpu/
A Dinternal.h41 static inline void fpregs_store(_s390_fp_regs *fpregs, struct fpu *fpu) in fpregs_store() argument
44 fpregs->fpc = fpu->fpc; in fpregs_store()
46 convert_vx_to_fp((freg_t *)&fpregs->fprs, fpu->vxrs); in fpregs_store()
48 memcpy((freg_t *)&fpregs->fprs, fpu->fprs, in fpregs_store()
52 static inline void fpregs_load(_s390_fp_regs *fpregs, struct fpu *fpu) in fpregs_load() argument
54 fpu->fpc = fpregs->fpc; in fpregs_load()
56 convert_fp_to_vx(fpu->vxrs, (freg_t *)&fpregs->fprs); in fpregs_load()
58 memcpy(fpu->fprs, (freg_t *)&fpregs->fprs, in fpregs_load()
/linux/arch/x86/include/asm/fpu/
A Dapi.h106 extern int fpu__exception_code(struct fpu *fpu, int trap_nr);
107 extern void fpu_sync_fpstate(struct fpu *fpu);
123 DECLARE_PER_CPU(struct fpu *, fpu_fpregs_owner_ctx);
127 extern void fpstate_free(struct fpu *fpu);
129 static inline void fpstate_free(struct fpu *fpu) { } in fpstate_free() argument
A Dsched.h12 extern void save_fpregs_to_fpstate(struct fpu *fpu);
13 extern void fpu__drop(struct fpu *fpu);
39 static inline void switch_fpu_prepare(struct fpu *old_fpu, int cpu) in switch_fpu_prepare()
/linux/arch/m68k/kernel/
A Dprocess.c215 int dump_fpu (struct pt_regs *regs, struct user_m68kfp_struct *fpu) in dump_fpu() argument
220 memcpy(fpu->fpcntl, current->thread.fpcntl, 12); in dump_fpu()
221 memcpy(fpu->fpregs, current->thread.fp, 96); in dump_fpu()
226 fpu->fpregs[i] = ((fpu->fpregs[i] & 0xffff0000) << 15) | in dump_fpu()
227 ((fpu->fpregs[i] & 0x0000ffff) << 16); in dump_fpu()
245 : "m" (fpu->fpcntl[0]), in dump_fpu()
246 "m" (fpu->fpcntl[1]), in dump_fpu()
247 "m" (fpu->fpcntl[2]), in dump_fpu()
248 "m" (fpu->fpregs[0]) in dump_fpu()
253 : "m" (fpu->fpcntl[0]) in dump_fpu()
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A Dsetup_mm.c392 const char *cpu, *mmu, *fpu; in show_cpuinfo() local
422 fpu = "none(soft float)"; in show_cpuinfo()
425 fpu = "68881"; in show_cpuinfo()
427 fpu = "68882"; in show_cpuinfo()
429 fpu = "68040"; in show_cpuinfo()
431 fpu = "68060"; in show_cpuinfo()
433 fpu = "Sun FPA"; in show_cpuinfo()
435 fpu = "ColdFire"; in show_cpuinfo()
437 fpu = "none"; in show_cpuinfo()
465 cpu, mmu, fpu, in show_cpuinfo()
/linux/arch/nds32/kernel/
A Dfpu.c46 : "r" (&tsk->thread.fpu) in save_fpu()
59 : "r" (&tsk->thread.fpu) in save_fpu()
68 : "r" (&tsk->thread.fpu) in save_fpu()
79 : "r"(&tsk->thread.fpu) in save_fpu()
176 load_fpu(&current->thread.fpu); in do_fpu_context_switch()
181 current->thread.fpu.UDF_IEX_trap = init_fpuregs.UDF_IEX_trap; in do_fpu_context_switch()
215 fpcsr = current->thread.fpu.fpcsr; in handle_fpu_exception()
218 si_signo = do_fpuemu(regs, &current->thread.fpu); in handle_fpu_exception()
219 fpcsr = current->thread.fpu.fpcsr; in handle_fpu_exception()
221 current->thread.fpu.fpcsr &= ~(redo_except); in handle_fpu_exception()
A Dsys_nds32.c61 current->thread.fpu.UDF_IEX_trap = init_fpuregs.UDF_IEX_trap; in SYSCALL_DEFINE2()
65 old_udf_iex = current->thread.fpu.UDF_IEX_trap; in SYSCALL_DEFINE2()
70 current->thread.fpu.UDF_IEX_trap &= ~act; in SYSCALL_DEFINE2()
73 current->thread.fpu.UDF_IEX_trap |= act; in SYSCALL_DEFINE2()
A Dprocess.c189 p->thread.fpu = current->thread.fpu; in copy_thread()
219 int dump_fpu(struct pt_regs *regs, elf_fpregset_t * fpu) in dump_fpu() argument
228 memcpy(fpu, &tsk->thread.fpu, sizeof(*fpu)); in dump_fpu()
/linux/arch/s390/kernel/
A Dfpu.c181 struct fpu *state = &current->thread.fpu; in __load_fpu_regs()
182 unsigned long *regs = current->thread.fpu.regs; in __load_fpu_regs()
225 struct fpu *state; in save_fpu_regs()
232 state = &current->thread.fpu; in save_fpu_regs()
233 regs = current->thread.fpu.regs; in save_fpu_regs()
/linux/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()
/linux/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()
/linux/tools/testing/selftests/kvm/s390x/
A Dresets.c93 struct kvm_fpu fpu; in assert_clear() local
101 vcpu_fpu_get(vm, VCPU_ID, &fpu); in assert_clear()
102 TEST_ASSERT(!memcmp(&fpu.fprs, regs_null, sizeof(fpu.fprs)), "fprs == 0"); in assert_clear()
133 struct kvm_fpu fpu; in assert_initial() local
162 vcpu_fpu_get(vm, VCPU_ID, &fpu); in assert_initial()
163 TEST_ASSERT(!fpu.fpc, "fpc == 0"); in assert_initial()
/linux/arch/mips/kvm/
A Dmips.c656 struct mips_fpu_struct *fpu = &vcpu->arch.fpu; in kvm_mips_get_reg() local
686 v = get_fpr32(&fpu->fpr[idx], 0); in kvm_mips_get_reg()
697 v = get_fpr64(&fpu->fpr[idx], 0); in kvm_mips_get_reg()
707 v = fpu->fcr31; in kvm_mips_get_reg()
736 v = fpu->msacsr; in kvm_mips_get_reg()
768 struct mips_fpu_struct *fpu = &vcpu->arch.fpu; in kvm_mips_set_reg() local
820 set_fpr32(&fpu->fpr[idx], 0, v); in kvm_mips_set_reg()
831 set_fpr64(&fpu->fpr[idx], 0, v); in kvm_mips_set_reg()
841 fpu->fcr31 = v; in kvm_mips_set_reg()
851 set_fpr64(&fpu->fpr[idx], 0, vs[0]); in kvm_mips_set_reg()
[all …]
/linux/arch/m68k/math-emu/
A Dfp_movem.S74 printf PDECODE,"->" | fpu -> cpu
76 1: printf PDECODE,"<-" | fpu <- cpu
132 swap %d1 | get fpu register list
141 | move register from memory into fpu
161 | move register from fpu into memory
218 printf PDECODE,"->" | fpu -> cpu
220 1: printf PDECODE,"<-" | fpu <- cpu
319 swap %d1 | get fpu register list
325 | move register from memory into fpu
336 | move register from fpu into memory

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