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Searched refs:fxsave (Results 1 – 12 of 12) sorted by relevance

/Linux-v5.15/arch/x86/kernel/fpu/
Dregset.c77 return membuf_write(&to, &fpu->state.fxsave, in xfpregs_get()
78 sizeof(fpu->state.fxsave)); in xfpregs_get()
113 memcpy(&fpu->state.fxsave, &newstate, sizeof(newstate)); in xfpregs_set()
116 BUILD_BUG_ON(sizeof(fpu->state.fxsave.xmm_space) != 16 * 16); in xfpregs_set()
117 memset(&fpu->state.fxsave.xmm_space[8], 0, 8 * 16); in xfpregs_set()
201 static inline u32 twd_fxsr_to_i387(struct fxregs_state *fxsave) in twd_fxsr_to_i387() argument
204 u32 tos = (fxsave->swd >> 11) & 7; in twd_fxsr_to_i387()
205 u32 twd = (unsigned long) fxsave->twd; in twd_fxsr_to_i387()
212 st = FPREG_ADDR(fxsave, (i - tos) & 7); in twd_fxsr_to_i387()
248 struct fxregs_state *fxsave) in __convert_from_fxsr() argument
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Dcore.c114 fxsave(&fpu->state.fxsave); in save_fpregs_to_fpstate()
147 fxrstor(&fpstate->fxsave); in __restore_fpregs_from_fpstate()
244 fpstate_init_fxstate(&state->fxsave); in fpstate_init()
324 fxrstor(&init_fpstate.fxsave); in restore_fpregs_from_init_fpstate()
471 cwd = fpu->state.fxsave.cwd; in fpu__exception_code()
472 swd = fpu->state.fxsave.swd; in fpu__exception_code()
489 mxcsr = fpu->state.fxsave.mxcsr; in fpu__exception_code()
Dsignal.c76 fxsave(&tsk->thread.fpu.state.fxsave); in save_fsave_header()
378 if (__copy_from_user(&fpu->state.fxsave, buf_fx, in __fpu_restore_sig()
379 sizeof(fpu->state.fxsave))) in __fpu_restore_sig()
384 if (fpu->state.fxsave.mxcsr & ~mxcsr_feature_mask) in __fpu_restore_sig()
388 fpu->state.fxsave.mxcsr &= mxcsr_feature_mask; in __fpu_restore_sig()
397 convert_to_fxsr(&fpu->state.fxsave, &env); in __fpu_restore_sig()
415 ret = fxrstor_safe(&fpu->state.fxsave); in __fpu_restore_sig()
Dxstate.c422 fxsave(&init_fpstate.fxsave); in setup_init_fpu_buf()
/Linux-v5.15/arch/x86/um/
Dsignal.c37 static inline unsigned long twd_fxsr_to_i387(struct user_fxsr_struct *fxsave) in twd_fxsr_to_i387() argument
40 unsigned long twd = (unsigned long) fxsave->twd; in twd_fxsr_to_i387()
49 st = (struct _fpxreg *) FPREG_ADDR(fxsave, i); in twd_fxsr_to_i387()
83 struct user_fxsr_struct *fxsave) in convert_fxsr_to_user() argument
90 env[0] = (unsigned long)fxsave->cwd | 0xffff0000ul; in convert_fxsr_to_user()
91 env[1] = (unsigned long)fxsave->swd | 0xffff0000ul; in convert_fxsr_to_user()
92 env[2] = twd_fxsr_to_i387(fxsave); in convert_fxsr_to_user()
93 env[3] = fxsave->fip; in convert_fxsr_to_user()
94 env[4] = fxsave->fcs | ((unsigned long)fxsave->fop << 16); in convert_fxsr_to_user()
95 env[5] = fxsave->foo; in convert_fxsr_to_user()
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/Linux-v5.15/arch/x86/include/asm/fpu/
Dsignal.h25 extern void convert_to_fxsr(struct fxregs_state *fxsave,
Dinternal.h140 return user_insn(fxsave %[fx], [fx] "=m" (*fx), "m" (*fx)); in fxsave_to_user_sigframe()
185 static inline void fxsave(struct fxregs_state *fx) in fxsave() function
Dtypes.h306 struct fxregs_state fxsave; member
/Linux-v5.15/arch/x86/kvm/
Dx86.c4803 &vcpu->arch.guest_fpu->state.fxsave, in kvm_vcpu_ioctl_x86_get_xsave()
4837 memcpy(&vcpu->arch.guest_fpu->state.fxsave, in kvm_vcpu_ioctl_x86_set_xsave()
10571 struct fxregs_state *fxsave; in kvm_arch_vcpu_ioctl_get_fpu() local
10578 fxsave = &vcpu->arch.guest_fpu->state.fxsave; in kvm_arch_vcpu_ioctl_get_fpu()
10579 memcpy(fpu->fpr, fxsave->st_space, 128); in kvm_arch_vcpu_ioctl_get_fpu()
10580 fpu->fcw = fxsave->cwd; in kvm_arch_vcpu_ioctl_get_fpu()
10581 fpu->fsw = fxsave->swd; in kvm_arch_vcpu_ioctl_get_fpu()
10582 fpu->ftwx = fxsave->twd; in kvm_arch_vcpu_ioctl_get_fpu()
10583 fpu->last_opcode = fxsave->fop; in kvm_arch_vcpu_ioctl_get_fpu()
10584 fpu->last_ip = fxsave->rip; in kvm_arch_vcpu_ioctl_get_fpu()
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/Linux-v5.15/arch/x86/lib/
Dx86-opcode-map.txt1039 0: fxsave | RDFSBASE Ry (F3),(11B)
/Linux-v5.15/tools/arch/x86/lib/
Dx86-opcode-map.txt1039 0: fxsave | RDFSBASE Ry (F3),(11B)
/Linux-v5.15/Documentation/virt/kvm/
Dapi.rst763 __u8 ftwx; /* in fxsave format */
792 __u8 ftwx; /* in fxsave format */