| /linux/arch/x86/kernel/fpu/ |
| A D | core.c | 202 static void __fpstate_reset(struct fpstate *fpstate);
206 struct fpstate *fpstate; in fpu_alloc_guest_fpstate() local
211 if (!fpstate) in fpu_alloc_guest_fpstate()
219 gfpu->fpstate = fpstate; in fpu_alloc_guest_fpstate()
226 struct fpstate *fps = gfpu->fpstate; in fpu_free_guest_fpstate()
241 struct fpstate *guest_fps = guest_fpu->fpstate; in fpu_swap_kvm_fpstate()
243 struct fpstate *cur_fps = fpu->fpstate; in fpu_swap_kvm_fpstate()
283 struct fpstate *kstate = gfpu->fpstate; in fpu_copy_guest_fpstate_to_uabi()
301 struct fpstate *kstate = gfpu->fpstate; in fpu_copy_uabi_to_guest_fpstate()
418 void fpstate_init_user(struct fpstate *fpstate) in fpstate_init_user() argument
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| A D | xstate.h | 36 extern void __copy_xstate_to_uabi_buf(struct membuf to, struct fpstate *fpstate,
40 extern int copy_uabi_from_kernel_to_xstate(struct fpstate *fpstate, const void *kbuf);
135 extern void xfd_validate_state(struct fpstate *fpstate, u64 mask, bool rstor);
141 static inline void xfd_update_state(struct fpstate *fpstate) in xfd_update_state() argument
144 u64 xfd = fpstate->xfd; in xfd_update_state()
153 static inline void xfd_update_state(struct fpstate *fpstate) { } in xfd_update_state() argument
162 static inline void os_xsave(struct fpstate *fpstate) in os_xsave() argument
183 static inline void os_xrstor(struct fpstate *fpstate, u64 mask) in os_xrstor() argument
193 static inline void os_xrstor_supervisor(struct fpstate *fpstate) in os_xrstor_supervisor() argument
248 struct fpstate *fpstate = current->thread.fpu.fpstate; in xsave_to_user_sigframe() local
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| A D | signal.c | 32 void __user *fpstate = fxbuf; in check_xstate_in_sigframe() local
106 struct fpstate *fpstate) in save_sw_bytes() argument
118 struct fpstate *fpstate) in save_xstate_epilog() argument
191 struct fpstate *fpstate = tsk->thread.fpu.fpstate; in copy_fpstate_to_sigframe() local
286 xfd_update_state(fpu->fpstate); in restore_fpregs_from_user()
327 os_xrstor_supervisor(fpu->fpstate); in restore_fpregs_from_user()
356 state_size = fpu->fpstate->user_size; in __fpu_restore_sig()
390 os_xsave(fpu->fpstate); in __fpu_restore_sig()
397 fpregs = &fpu->fpstate->regs; in __fpu_restore_sig()
450 static inline unsigned int xstate_sigframe_size(struct fpstate *fpstate) in xstate_sigframe_size() argument
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| A D | xstate.c | 481 struct fpstate *fpstate) in validate_user_xstate_header() argument
1132 void __copy_xstate_to_uabi_buf(struct membuf to, struct fpstate *fpstate, in __copy_xstate_to_uabi_buf() argument
1268 static int copy_uabi_to_xstate(struct fpstate *fpstate, const void *kbuf, in copy_uabi_to_xstate() argument
1346 int copy_sigframe_from_user_to_xstate(struct fpstate *fpstate, in copy_sigframe_from_user_to_xstate() argument
1432 static bool xstate_op_valid(struct fpstate *fpstate, u64 mask, bool rstor) in xstate_op_valid() argument
1443 if (fpstate->xfd == current->thread.fpu.fpstate->xfd) in xstate_op_valid()
1478 void xfd_validate_state(struct fpstate *fpstate, u64 mask, bool rstor) in xfd_validate_state() argument
1498 if (fpu->fpstate && fpu->fpstate != &fpu->__fpstate) in arch_initcall()
1499 vfree(fpu->fpstate); in arch_initcall()
1516 struct fpstate *oldfps = fpu->fpstate; in fpu_install_fpstate()
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| A D | regset.c | 81 return membuf_write(&to, &fpu->fpstate->regs.fxsave, in xfpregs_get()
82 sizeof(fpu->fpstate->regs.fxsave)); in xfpregs_get()
117 memcpy(&fpu->fpstate->regs.fxsave, &newstate, sizeof(newstate)); in xfpregs_set()
121 memset(&fpu->fpstate->regs.fxsave.xmm_space[8], 0, 8 * 16); in xfpregs_set()
125 fpu->fpstate->regs.xsave.header.xfeatures |= XFEATURE_MASK_FPSSE; in xfpregs_set()
171 ret = copy_uabi_from_kernel_to_xstate(fpu->fpstate, kbuf ?: tmpbuf); in xstateregs_set()
333 return membuf_write(&to, &fpu->fpstate->regs.fsave, in fpregs_get()
344 fx = &fpu->fpstate->regs.fxsave; in fpregs_get()
373 convert_to_fxsr(&fpu->fpstate->regs.fxsave, &env); in fpregs_set()
375 memcpy(&fpu->fpstate->regs.fsave, &env, sizeof(env)); in fpregs_set()
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| A D | internal.h | 5 extern struct fpstate init_fpstate;
25 extern void fpstate_init_user(struct fpstate *fpstate);
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| A D | context.h | 75 restore_fpregs_from_fpstate(fpu->fpstate, XFEATURE_MASK_FPSTATE); in fpregs_restore_userregs()
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| A D | init.c | 41 fpstate_init_soft(¤t->thread.fpu.fpstate->regs.soft); in fpu__init_cpu_generic()
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| /linux/arch/m68k/kernel/ |
| A D | signal.c | 352 if (CPU_IS_060 ? fpstate[2] : fpstate[0]) { in rt_restore_fpu_state()
354 context_size = fpstate[1]; in rt_restore_fpu_state()
372 if (!(fpstate[3] == 0x00 || in rt_restore_fpu_state()
373 fpstate[3] == 0x60 || in rt_restore_fpu_state()
374 fpstate[3] == 0xe0)) in rt_restore_fpu_state()
379 fpstate[3] == 0xe5)) in rt_restore_fpu_state()
418 : : "m" (*fpstate)); in rt_restore_fpu_state()
508 if (CPU_IS_060 ? fpstate[2] : fpstate[0]) { in rt_save_fpu_state()
511 context_size = fpstate[1]; in rt_save_fpu_state()
512 fpu_version = fpstate[0]; in rt_save_fpu_state()
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| A D | process.c | 182 asm volatile ("fsave %0" : : "m" (p->thread.fpstate[0]) : "memory"); in copy_thread()
184 if (!CPU_IS_060 ? p->thread.fpstate[0] : p->thread.fpstate[2]) { in copy_thread()
207 asm volatile ("frestore %0" : : "m" (p->thread.fpstate[0])); in copy_thread()
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| /linux/arch/x86/um/ |
| A D | signal.c | 209 &((struct _fpstate __user *)sc.fpstate)->_fxsr_env[0], in copy_sc_from_user()
214 err = convert_fxsr_from_user(&fpx, (void *)sc.fpstate); in copy_sc_from_user()
228 err = copy_from_user(regs->regs.fp, (void *)sc.fpstate, in copy_sc_from_user()
284 sc.fpstate = (unsigned long)to_fp; in copy_sc_to_user()
303 err = convert_fxsr_to_user(&to_fp->fpstate, &fpx); in copy_sc_to_user()
307 err |= __put_user(fpx.swd, &to_fp->fpstate.status); in copy_sc_to_user()
312 if (copy_to_user(&to_fp->fpstate._fxsr_env[0], &fpx, in copy_sc_to_user()
343 struct _xstate fpstate; member
356 struct _xstate fpstate; member
485 struct _xstate fpstate; member
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| /linux/arch/x86/include/asm/fpu/ |
| A D | types.h | 344 struct fpstate { struct
462 struct fpstate *fpstate; member
470 struct fpstate *__task_fpstate;
487 struct fpstate __fpstate;
501 struct fpstate *fpstate; member
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| A D | api.h | 133 extern void fpstate_clear_xstate_component(struct fpstate *fps, unsigned int xfeature);
145 gfpu->fpstate->is_confidential = true; in fpstate_set_confidential()
150 return gfpu->fpstate->is_confidential; in fpstate_is_confidential()
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| A D | signal.h | 43 extern void restore_fpregs_from_fpstate(struct fpstate *fpstate, u64 mask);
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| /linux/arch/x86/include/uapi/asm/ |
| A D | sigcontext.h | 193 struct _fpstate fpstate; member
230 __u32 fpstate; /* Zero when no FPU/extended context */ member
273 __u64 fpstate; /* Zero when no FPU/extended context */ member
320 struct _fpstate __user *fpstate; member
380 struct _fpstate __user *fpstate; /* Zero when no FPU context */ member
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| /linux/arch/x86/ia32/ |
| A D | ia32_signal.c | 96 return fpu__restore_sig(compat_ptr(sc.fpstate), 1); in ia32_restore_sigcontext()
158 void __user *fpstate, in __unsafe_setup_sigcontext32() argument
182 unsafe_put_user(ptr_to_compat(fpstate), &sc->fpstate, Efault); in __unsafe_setup_sigcontext32()
204 void __user **fpstate) in get_sigframe() argument
221 *fpstate = (struct _fpstate_32 __user *) sp; in get_sigframe()
222 if (!copy_fpstate_to_sigframe(*fpstate, (void __user *)fx_aligned, in get_sigframe()
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| /linux/tools/testing/selftests/x86/ |
| A D | corrupt_xstate_header.c | 60 uint8_t *fpstate = (uint8_t *)uc->uc_mcontext.fpregs; in sigusr1() local
61 uint64_t *xfeatures = (uint64_t *)(fpstate + 512); in sigusr1()
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| /linux/arch/x86/include/asm/trace/ |
| A D | fpu.h | 25 __entry->xfeatures = fpu->fpstate->regs.xsave.header.xfeatures;
26 __entry->xcomp_bv = fpu->fpstate->regs.xsave.header.xcomp_bv;
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| /linux/arch/x86/kernel/ |
| A D | signal.c | 141 return fpu__restore_sig((void __user *)sc.fpstate, in restore_sigcontext()
146 __unsafe_setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate, in __unsafe_setup_sigcontext() argument
192 unsafe_put_user(fpstate, (unsigned long __user *)&sc->fpstate, Efault); in __unsafe_setup_sigcontext()
241 void __user **fpstate) in get_sigframe() argument
277 *fpstate = (void __user *)sp; in get_sigframe()
296 if (!copy_fpstate_to_sigframe(*fpstate, (void __user *)buf_fx, math_size)) in get_sigframe()
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| /linux/arch/arm/kernel/ |
| A D | ptrace.c | 302 return copy_to_user(ufp, &thread->fpstate.iwmmxt, IWMMXT_SIZE) in ptrace_getwmmxregs()
316 return copy_from_user(&thread->fpstate.iwmmxt, ufp, IWMMXT_SIZE) in ptrace_setwmmxregs()
577 return membuf_write(&to, &task_thread_info(target)->fpstate, in fpa_get()
591 &thread->fpstate, in fpa_set()
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| A D | asm-offsets.c | 55 DEFINE(TI_FPSTATE, offsetof(struct thread_info, fpstate)); in main()
66 DEFINE(TI_IWMMXT_STATE, offsetof(struct thread_info, fpstate.iwmmxt)); in main()
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| /linux/arch/arm/nwfpe/ |
| A D | fpa11.h | 13 #define GET_FPA11() ((FPA11 *)(¤t_thread_info()->fpstate))
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| A D | fpmodule.c | 53 nwfpe_init_fpa(&thread->fpstate); in nwfpe_notify()
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| /linux/arch/m68k/include/asm/ |
| A D | processor.h | 114 unsigned char fpstate[FPSTATESIZE]; /* floating point state */ member
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| /linux/arch/arm/include/asm/ |
| A D | thread_info.h | 66 union fp_state fpstate __attribute__((aligned(8))); member
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