/Linux-v5.15/arch/x86/include/asm/trace/ |
D | fpu.h | 11 TP_PROTO(struct fpu *fpu), 12 TP_ARGS(fpu), 15 __field(struct fpu *, fpu) 22 __entry->fpu = fpu; 25 __entry->xfeatures = fpu->state.xsave.header.xfeatures; 26 __entry->xcomp_bv = fpu->state.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-v5.15/arch/x86/kernel/fpu/ |
D | core.c | 44 DEFINE_PER_CPU(struct fpu *, fpu_fpregs_owner_ctx); 99 void save_fpregs_to_fpstate(struct fpu *fpu) in save_fpregs_to_fpstate() argument 102 os_xsave(&fpu->state.xsave); in save_fpregs_to_fpstate() 108 if (fpu->state.xsave.header.xfeatures & XFEATURE_MASK_AVX512) in save_fpregs_to_fpstate() 109 fpu->avx512_timestamp = jiffies; in save_fpregs_to_fpstate() 114 fxsave(&fpu->state.fxsave); in save_fpregs_to_fpstate() 122 asm volatile("fnsave %[fp]; fwait" : [fp] "=m" (fpu->state.fsave)); in save_fpregs_to_fpstate() 123 frstor(&fpu->state.fsave); in save_fpregs_to_fpstate() 166 save_fpregs_to_fpstate(¤t->thread.fpu); in kernel_fpu_begin_mask() 192 void fpu_sync_fpstate(struct fpu *fpu) in fpu_sync_fpstate() argument [all …]
|
D | regset.c | 41 static void sync_fpstate(struct fpu *fpu) in sync_fpstate() argument 43 if (fpu == ¤t->thread.fpu) in sync_fpstate() 44 fpu_sync_fpstate(fpu); in sync_fpstate() 55 static void fpu_force_restore(struct fpu *fpu) in fpu_force_restore() argument 61 WARN_ON_FPU(fpu == ¤t->thread.fpu); in fpu_force_restore() 63 __fpu_invalidate_fpregs_state(fpu); in fpu_force_restore() 69 struct fpu *fpu = &target->thread.fpu; in xfpregs_get() local 74 sync_fpstate(fpu); in xfpregs_get() 77 return membuf_write(&to, &fpu->state.fxsave, in xfpregs_get() 78 sizeof(fpu->state.fxsave)); in xfpregs_get() [all …]
|
D | signal.c | 55 trace_x86_fpu_xstate_check_failed(¤t->thread.fpu); in check_xstate_in_sigframe() 70 struct xregs_state *xsave = &tsk->thread.fpu.state.xsave; in save_fsave_header() 76 fxsave(&tsk->thread.fpu.state.fxsave); in save_fsave_header() 252 struct fpu *fpu = ¤t->thread.fpu; in restore_fpregs_from_user() local 297 os_xrstor(&fpu->state.xsave, xfeatures_mask_supervisor()); in restore_fpregs_from_user() 309 struct fpu *fpu = &tsk->thread.fpu; in __fpu_restore_sig() local 366 os_xsave(&fpu->state.xsave); in __fpu_restore_sig() 369 __fpu_invalidate_fpregs_state(fpu); in __fpu_restore_sig() 374 ret = copy_sigframe_from_user_to_xstate(&fpu->state.xsave, buf_fx); in __fpu_restore_sig() 378 if (__copy_from_user(&fpu->state.fxsave, buf_fx, in __fpu_restore_sig() [all …]
|
D | init.c | 37 fpstate_init_soft(¤t->thread.fpu.state.soft); in fpu__init_cpu_generic() 165 task_size -= sizeof(((struct task_struct *)0)->thread.fpu.state); in fpu__init_task_struct_size() 180 CHECK_MEMBER_AT_END_OF(struct fpu, state); in fpu__init_task_struct_size() 181 CHECK_MEMBER_AT_END_OF(struct thread_struct, fpu); in fpu__init_task_struct_size()
|
/Linux-v5.15/arch/mips/kernel/ |
D | asm-offsets.c | 138 OFFSET(THREAD_FPU, task_struct, thread.fpu); in output_thread_fpu_defines() 140 OFFSET(THREAD_FPR0, task_struct, thread.fpu.fpr[0]); in output_thread_fpu_defines() 141 OFFSET(THREAD_FPR1, task_struct, thread.fpu.fpr[1]); in output_thread_fpu_defines() 142 OFFSET(THREAD_FPR2, task_struct, thread.fpu.fpr[2]); in output_thread_fpu_defines() 143 OFFSET(THREAD_FPR3, task_struct, thread.fpu.fpr[3]); in output_thread_fpu_defines() 144 OFFSET(THREAD_FPR4, task_struct, thread.fpu.fpr[4]); in output_thread_fpu_defines() 145 OFFSET(THREAD_FPR5, task_struct, thread.fpu.fpr[5]); in output_thread_fpu_defines() 146 OFFSET(THREAD_FPR6, task_struct, thread.fpu.fpr[6]); in output_thread_fpu_defines() 147 OFFSET(THREAD_FPR7, task_struct, thread.fpu.fpr[7]); in output_thread_fpu_defines() 148 OFFSET(THREAD_FPR8, task_struct, thread.fpu.fpr[8]); in output_thread_fpu_defines() [all …]
|
D | ptrace.c | 348 fcr31 = child->thread.fpu.fcr31; in ptrace_setfcr31() 350 child->thread.fpu.fcr31 = (value & ~mask) | (fcr31 & mask); 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() 426 membuf_store(to, get_fpr64(&target->thread.fpu.fpr[i], 0)); in fpr_get_msa() 438 if (sizeof(target->thread.fpu.fpr[0]) == sizeof(elf_fpreg_t)) in fpr_get() 443 membuf_write(&to, &target->thread.fpu.fcr31, sizeof(u32)); in fpr_get() 458 &target->thread.fpu, in fpr_set_fpa() 483 set_fpr64(&target->thread.fpu.fpr[i], 0, fpr_val); in fpr_set_msa() 518 if (sizeof(target->thread.fpu.fpr[0]) == sizeof(elf_fpreg_t)) in fpr_set() [all …]
|
/Linux-v5.15/arch/x86/include/asm/fpu/ |
D | internal.h | 30 extern void fpu__drop(struct fpu *fpu); 31 extern void fpu__clear_user_states(struct fpu *fpu); 32 extern int fpu__exception_code(struct fpu *fpu, int trap_nr); 34 extern void fpu_sync_fpstate(struct fpu *fpu); 89 extern void save_fpregs_to_fpstate(struct fpu *fpu); 405 DECLARE_PER_CPU(struct fpu *, fpu_fpregs_owner_ctx); 429 static inline void __fpu_invalidate_fpregs_state(struct fpu *fpu) in __fpu_invalidate_fpregs_state() argument 431 fpu->last_cpu = -1; in __fpu_invalidate_fpregs_state() 434 static inline int fpregs_state_valid(struct fpu *fpu, unsigned int cpu) in fpregs_state_valid() argument 436 return fpu == this_cpu_read(fpu_fpregs_owner_ctx) && cpu == fpu->last_cpu; in fpregs_state_valid() [all …]
|
/Linux-v5.15/arch/s390/include/asm/fpu/ |
D | internal.h | 41 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-v5.15/arch/sparc/kernel/ |
D | sigutil_64.c | 15 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 …]
|
D | sigutil_32.c | 15 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(¤t->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 …]
|
/Linux-v5.15/arch/nds32/kernel/ |
D | fpu.c | 46 : "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(¤t->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, ¤t->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()
|
D | sys_nds32.c | 61 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()
|
D | process.c | 189 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()
|
D | Makefile | 17 obj-$(CONFIG_FPU) += fpu.o 24 CFLAGS_fpu.o += -mext-fpu-sp -mext-fpu-dp
|
/Linux-v5.15/arch/m68k/kernel/ |
D | process.c | 215 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() [all …]
|
D | setup_mm.c | 392 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-v5.15/arch/s390/kernel/ |
D | fpu.c | 181 struct fpu *state = ¤t->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 = ¤t->thread.fpu; in save_fpu_regs() 233 regs = current->thread.fpu.regs; in save_fpu_regs()
|
/Linux-v5.15/arch/arc/kernel/ |
D | fpu.c | 34 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-v5.15/arch/mips/loongson64/ |
D | cop2-ex.c | 98 set_fpr64(¤t->thread.fpu.fpr[insn.loongson3_lswc2_format.rt], 0, value); in loongson_cu2_call() 99 set_fpr64(¤t->thread.fpu.fpr[insn.loongson3_lswc2_format.rq], 0, value_next); in loongson_cu2_call() 131 value_next = get_fpr64(¤t->thread.fpu.fpr[insn.loongson3_lswc2_format.rq], 0); in loongson_cu2_call() 137 value = get_fpr64(¤t->thread.fpu.fpr[insn.loongson3_lswc2_format.rt], 0); in loongson_cu2_call() 203 set_fpr64(¤t->thread.fpu.fpr[insn.loongson3_lsdc2_format.rt], 0, value); in loongson_cu2_call() 219 set_fpr64(¤t->thread.fpu.fpr[insn.loongson3_lsdc2_format.rt], 0, value); in loongson_cu2_call() 283 value = get_fpr64(¤t->thread.fpu.fpr[insn.loongson3_lsdc2_format.rt], 0); in loongson_cu2_call() 301 value = get_fpr64(¤t->thread.fpu.fpr[insn.loongson3_lsdc2_format.rt], 0); in loongson_cu2_call()
|
/Linux-v5.15/tools/testing/selftests/kvm/s390x/ |
D | resets.c | 93 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-v5.15/arch/m68k/math-emu/ |
D | fp_movem.S | 74 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-v5.15/arch/mips/kvm/ |
D | mips.c | 656 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() 688 v = get_fpr32(&fpu->fpr[idx & ~1], idx & 1); 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() 720 vs[0] = get_fpr64(&fpu->fpr[idx], 0); in kvm_mips_get_reg() 721 vs[1] = get_fpr64(&fpu->fpr[idx], 1); in kvm_mips_get_reg() 724 vs[0] = get_fpr64(&fpu->fpr[idx], 1); in kvm_mips_get_reg() 725 vs[1] = get_fpr64(&fpu->fpr[idx], 0); in kvm_mips_get_reg() 736 v = fpu->msacsr; in kvm_mips_get_reg() [all …]
|
/Linux-v5.15/arch/sh/math-emu/ |
D | math.c | 477 static void denormal_to_double(struct sh_fpu_soft_struct *fpu, int n) in denormal_to_double() argument 480 unsigned long x = fpu->fpul; in denormal_to_double() 493 fpu->fp_regs[n] = du; in denormal_to_double() 494 fpu->fp_regs[n+1] = dl; in denormal_to_double() 577 static void fpu_init(struct sh_fpu_soft_struct *fpu) in fpu_init() argument 581 fpu->fpscr = FPSCR_INIT; in fpu_init() 582 fpu->fpul = 0; in fpu_init() 585 fpu->fp_regs[i] = 0; in fpu_init() 586 fpu->xfp_regs[i]= 0; in fpu_init() 598 struct sh_fpu_soft_struct *fpu = &(tsk->thread.xstate->softfpu); in do_fpu_inst() local [all …]
|
/Linux-v5.15/arch/csky/kernel/ |
D | process.c | 74 int dump_fpu(struct pt_regs *regs, struct user_fp *fpu) in dump_fpu() argument 76 memcpy(fpu, ¤t->thread.user_fp, sizeof(*fpu)); in dump_fpu()
|