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Searched refs:fpu (Results 1 – 25 of 100) sorted by relevance

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/linux/arch/x86/include/asm/trace/
H A Dfpu.h11 TP_PROTO(struct fpu *fpu),
12 TP_ARGS(fpu),
15 __field(struct fpu *, fpu)
22 __entry->fpu = fpu;
25 __entry->xfeatures = fpu->fpstate->regs.xsave.header.xfeatures;
26 __entry->xcomp_bv = fpu->fpstate->regs.xsave.header.xcomp_bv;
30 __entry->fpu,
38 TP_PROTO(struct fpu *fpu),
39 TP_ARGS(fpu)
43 TP_PROTO(struct fpu *fpu),
[all …]
/linux/arch/mips/kernel/
H A Dasm-offsets.c152 OFFSET(THREAD_FPU, task_struct, thread.fpu); in output_thread_fpu_defines()
154 OFFSET(THREAD_FPR0, task_struct, thread.fpu.fpr[0]); in output_thread_fpu_defines()
155 OFFSET(THREAD_FPR1, task_struct, thread.fpu.fpr[1]); in output_thread_fpu_defines()
156 OFFSET(THREAD_FPR2, task_struct, thread.fpu.fpr[2]); in output_thread_fpu_defines()
157 OFFSET(THREAD_FPR3, task_struct, thread.fpu.fpr[3]); in output_thread_fpu_defines()
158 OFFSET(THREAD_FPR4, task_struct, thread.fpu.fpr[4]); in output_thread_fpu_defines()
159 OFFSET(THREAD_FPR5, task_struct, thread.fpu.fpr[5]); in output_thread_fpu_defines()
160 OFFSET(THREAD_FPR6, task_struct, thread.fpu.fpr[6]); in output_thread_fpu_defines()
161 OFFSET(THREAD_FPR7, task_struct, thread.fpu.fpr[7]); in output_thread_fpu_defines()
162 OFFSET(THREAD_FPR8, task_struct, thread.fpu.fpr[8]); in output_thread_fpu_defines()
[all …]
H A Dptrace32.c117 tmp = child->thread.fpu.fcr31; in compat_arch_ptrace()
215 memset(&child->thread.fpu, ~0, in compat_arch_ptrace()
216 sizeof(child->thread.fpu)); in compat_arch_ptrace()
217 child->thread.fpu.fcr31 = 0; in compat_arch_ptrace()
233 child->thread.fpu.fcr31 = data; in compat_arch_ptrace()
H A Delf.c318 t->thread.fpu.fcr31 = c->fpu_csr31; in mips_set_personality_nan()
322 t->thread.fpu.fcr31 &= ~FPU_CSR_NAN2008; in mips_set_personality_nan()
324 t->thread.fpu.fcr31 &= ~FPU_CSR_ABS2008; in mips_set_personality_nan()
328 t->thread.fpu.fcr31 |= FPU_CSR_NAN2008; in mips_set_personality_nan()
330 t->thread.fpu.fcr31 |= FPU_CSR_ABS2008; in mips_set_personality_nan()
/linux/arch/loongarch/include/asm/
H A Dfpu.h35 asmlinkage void _save_lsx(struct loongarch_fpu *fpu);
36 asmlinkage void _restore_lsx(struct loongarch_fpu *fpu);
38 asmlinkage void _restore_lsx_upper(struct loongarch_fpu *fpu);
42 asmlinkage void _save_lasx(struct loongarch_fpu *fpu);
43 asmlinkage void _restore_lasx(struct loongarch_fpu *fpu);
45 asmlinkage void _restore_lasx_upper(struct loongarch_fpu *fpu);
121 _restore_fp(&current->thread.fpu); in own_fpu_inatomic()
137 _save_fp(&tsk->thread.fpu); in lose_fpu_inatomic()
165 unsigned int fcsr = current->thread.fpu.fcsr; in init_fpu()
175 _save_fp(&tsk->thread.fpu); in save_fp()
[all …]
H A Dasm-prototypes.h31 void kvm_save_fpu(struct loongarch_fpu *fpu);
32 void kvm_restore_fpu(struct loongarch_fpu *fpu);
35 void kvm_save_lsx(struct loongarch_fpu *fpu);
36 void kvm_restore_lsx(struct loongarch_fpu *fpu);
40 void kvm_save_lasx(struct loongarch_fpu *fpu);
41 void kvm_restore_lasx(struct loongarch_fpu *fpu);
/linux/arch/sparc/kernel/
H 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()
35 int restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu) in restore_fpu_state() argument
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()
[all …]
H 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()
71 err = __copy_from_user(&current->thread.float_regs[0], &fpu->si_float_regs[0], in restore_fpu_state()
73 err |= __get_user(current->thread.fsr, &fpu->si_fsr); in restore_fpu_state()
[all …]
H A Dcpu.c283 const struct fpu_info *fpu; in set_cpu_and_fpu() local
296 fpu = &manuf->fpu_info[0]; in set_cpu_and_fpu()
297 while (fpu->fp_vers != -1) in set_cpu_and_fpu()
299 if (fpu->fp_vers == fpu_vers) { in set_cpu_and_fpu()
300 sparc_fpu_type = fpu->name; in set_cpu_and_fpu()
303 fpu++; in set_cpu_and_fpu()
H 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);
/linux/arch/m68k/kernel/
H 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 …]
/linux/arch/loongarch/kernel/
H 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()
H A Dsignal.c63 struct _ctx_layout fpu; member
89 __put_user(get_fpr64(&current->thread.fpu.fpr[i], 0), in copy_fpu_to_sigcontext()
92 err |= __put_user(current->thread.fpu.fcc, fcc); in copy_fpu_to_sigcontext()
93 err |= __put_user(current->thread.fpu.fcsr, fcsr); in copy_fpu_to_sigcontext()
109 set_fpr64(&current->thread.fpu.fpr[i], 0, fpr_val); in copy_fpu_from_sigcontext()
111 err |= __get_user(current->thread.fpu.fcc, fcc); in copy_fpu_from_sigcontext()
112 err |= __get_user(current->thread.fpu.fcsr, fcsr); in copy_fpu_from_sigcontext()
126 err |= __put_user(get_fpr64(&current->thread.fpu.fpr[i], 0), in copy_lsx_to_sigcontext()
128 err |= __put_user(get_fpr64(&current->thread.fpu.fpr[i], 1), in copy_lsx_to_sigcontext()
131 err |= __put_user(current->thread.fpu.fcc, fcc); in copy_lsx_to_sigcontext()
[all …]
H 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()
134 fpr_val = get_fpr64(&target->thread.fpu.fpr[i], 0); in gfpr_get_simd()
153 if (sizeof(target->thread.fpu.fpr[0]) == sizeof(elf_fpreg_t)) in fpr_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()
187 set_fpr64(&target->thread.fpu.fpr[i], 0, fpr_val); in gfpr_set_simd()
212 if (sizeof(target->thread.fpu.fpr[0]) == sizeof(elf_fpreg_t)) in fpr_set()
220 &target->thread.fpu.fcc, fcc_start, in fpr_set()
[all …]
/linux/arch/arc/kernel/
H 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/
H 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/arch/x86/include/asm/fpu/
H A Dsched.h12 extern void save_fpregs_to_fpstate(struct fpu *fpu);
37 struct fpu *old_fpu = x86_task_fpu(old); in switch_fpu()
H A Dsignal.h33 extern void fpu__clear_user_states(struct fpu *fpu);
/linux/arch/mips/include/asm/
H 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()
/linux/tools/testing/selftests/kvm/s390/
H A Dresets.c90 struct kvm_fpu fpu; in assert_clear() local
98 vcpu_fpu_get(vcpu, &fpu); in assert_clear()
99 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(vcpu, &fpu); in assert_initial()
163 TEST_ASSERT(!fpu.fpc, "fpc == 0"); in assert_initial()
/linux/arch/m68k/math-emu/
H 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
/linux/arch/mips/kvm/
H A Dmips.c650 struct mips_fpu_struct *fpu = &vcpu->arch.fpu; in kvm_mips_get_reg() local
680 v = get_fpr32(&fpu->fpr[idx], 0); in kvm_mips_get_reg()
682 v = get_fpr32(&fpu->fpr[idx & ~1], idx & 1); in kvm_mips_get_reg()
691 v = get_fpr64(&fpu->fpr[idx], 0); in kvm_mips_get_reg()
701 v = fpu->fcr31; in kvm_mips_get_reg()
714 vs[0] = get_fpr64(&fpu->fpr[idx], 0); in kvm_mips_get_reg()
715 vs[1] = get_fpr64(&fpu->fpr[idx], 1); in kvm_mips_get_reg()
718 vs[0] = get_fpr64(&fpu->fpr[idx], 1); in kvm_mips_get_reg()
719 vs[1] = get_fpr64(&fpu->fpr[idx], 0); in kvm_mips_get_reg()
730 v = fpu->msacsr; in kvm_mips_get_reg()
[all …]
/linux/arch/arm/vfp/
H A Dvfphw.S83 .fpu vfpv2
98 .fpu vfpv2
113 .fpu vfpv2
121 .fpu vfpv3
137 .fpu vfpv2
144 .fpu vfpv3
/linux/arch/csky/kernel/
H 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()
/linux/arch/sh/math-emu/
H A Dmath.c476 static void fpu_init(struct sh_fpu_soft_struct *fpu) in fpu_init() argument
480 fpu->fpscr = FPSCR_INIT; in fpu_init()
481 fpu->fpul = 0; in fpu_init()
484 fpu->fp_regs[i] = 0; in fpu_init()
485 fpu->xfp_regs[i]= 0; in fpu_init()
497 struct sh_fpu_soft_struct *fpu = &(tsk->thread.xstate->softfpu); in do_fpu_inst() local
503 fpu_init(fpu); in do_fpu_inst()
507 return fpu_emulate(inst, fpu, regs); in do_fpu_inst()

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