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Searched refs:xstate (Results 1 – 22 of 22) sorted by relevance

/linux-6.15/arch/sh/kernel/cpu/sh4/
H A Dfpu.c248 hx = tsk->thread.xstate->hardfpu.fp_regs[n]; in ieee_fpe_handler()
249 hy = tsk->thread.xstate->hardfpu.fp_regs[m]; in ieee_fpe_handler()
250 fpscr = tsk->thread.xstate->hardfpu.fpscr; in ieee_fpe_handler()
286 hx = tsk->thread.xstate->hardfpu.fp_regs[n]; in ieee_fpe_handler()
287 hy = tsk->thread.xstate->hardfpu.fp_regs[m]; in ieee_fpe_handler()
288 fpscr = tsk->thread.xstate->hardfpu.fpscr; in ieee_fpe_handler()
330 hx = tsk->thread.xstate->hardfpu.fp_regs[n]; in ieee_fpe_handler()
331 hy = tsk->thread.xstate->hardfpu.fp_regs[m]; in ieee_fpe_handler()
332 fpscr = tsk->thread.xstate->hardfpu.fpscr; in ieee_fpe_handler()
368 hx = tsk->thread.xstate->hardfpu.fp_regs[m]; in ieee_fpe_handler()
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/linux-6.15/tools/testing/selftests/x86/
H A Dxstate.c49 static struct xstate_info xstate; variable
64 set_rand_data(xstate, xbuf); in load_rand_xstate()
65 xrstor(xbuf, xstate->mask); in load_rand_xstate()
71 xrstor(xbuf, xstate->mask); in load_init_xstate()
78 xstate.size); in copy_xstate()
87 xstate.size); in validate_xstate_same()
100 xsave(xbuf2, xstate.mask); in validate_xregs_same()
407 set_rand_data(&xstate, xbuf); in validate_sigfpstate()
439 xstate.name); in test_signal()
469 if (!xstate.size || !xstate.xbuf_offset) { in test_xstate()
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H A Dxstate.h123 struct xstate_info xstate = { }; in get_xstate_info() local
128 return xstate; in get_xstate_info()
131 xstate.name = xfeature_names[xfeature_num]; in get_xstate_info()
132 xstate.num = xfeature_num; in get_xstate_info()
133 xstate.mask = 1 << xfeature_num; in get_xstate_info()
137 xstate.size = eax; in get_xstate_info()
138 xstate.xbuf_offset = ebx; in get_xstate_info()
139 return xstate; in get_xstate_info()
176 static inline void set_rand_data(struct xstate_info *xstate, struct xsave_buffer *xbuf) in set_rand_data() argument
178 int *ptr = (int *)&xbuf->bytes[xstate->xbuf_offset]; in set_rand_data()
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H A DMakefile137 $(OUTPUT)/amx_64: EXTRA_FILES += xstate.c
138 $(OUTPUT)/avx_64: EXTRA_FILES += xstate.c
/linux-6.15/arch/sh/kernel/
H A Dprocess.c29 if (src->thread.xstate) { in arch_dup_task_struct()
30 dst->thread.xstate = kmem_cache_alloc(task_xstate_cachep, in arch_dup_task_struct()
32 if (!dst->thread.xstate) in arch_dup_task_struct()
34 memcpy(dst->thread.xstate, src->thread.xstate, xstate_size); in arch_dup_task_struct()
42 if (tsk->thread.xstate) { in free_thread_xstate()
43 kmem_cache_free(task_xstate_cachep, tsk->thread.xstate); in free_thread_xstate()
44 tsk->thread.xstate = NULL; in free_thread_xstate()
H A Dptrace_32.c177 return membuf_write(&to, target->thread.xstate, in fpregs_get()
196 &target->thread.xstate->hardfpu, 0, -1); in fpregs_set()
199 &target->thread.xstate->softfpu, 0, -1); in fpregs_set()
369 tmp = ((unsigned long *)child->thread.xstate) in arch_ptrace()
404 ((unsigned long *)child->thread.xstate) in arch_ptrace()
H A Dprocess_32.c157 prefetch(next_t->xstate); in __switch_to()
H A Dsignal_32.c85 return __copy_from_user(&tsk->thread.xstate->hardfpu, &sc->sc_fpregs[0], in restore_sigcontext_fpu()
109 return __copy_to_user(&sc->sc_fpregs[0], &tsk->thread.xstate->hardfpu, in save_sigcontext_fpu()
/linux-6.15/tools/testing/selftests/kvm/x86/
H A Damx_test.c77 static inline void __xsavec(struct xstate *xstate, uint64_t rfbm) in __xsavec() argument
83 : : "D" (xstate), "a" (rfbm_lo), "d" (rfbm_hi) in __xsavec()
129 struct xstate *xstate) in guest_code() argument
152 xstate->header.xstate_bv = XFEATURE_MASK_XTILE_DATA; in guest_code()
153 __xsavec(xstate, XFEATURE_MASK_XTILE_DATA); in guest_code()
155 GUEST_ASSERT(xstate->header.xcomp_bv & XFEATURE_MASK_XTILE_DATA); in guest_code()
164 xstate->header.xstate_bv = XFEATURE_MASK_XTILE_DATA; in guest_code()
165 __xsavec(xstate, XFEATURE_MASK_XTILE_DATA); in guest_code()
167 GUEST_ASSERT((xstate->header.xcomp_bv & XFEATURE_MASK_XTILE_DATA)); in guest_code()
204 vm_vaddr_t amx_cfg, tiledata, xstate; in main() local
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/linux-6.15/arch/sh/kernel/cpu/sh2a/
H A Dfpu.c84 : "0" (tsk->thread.xstate), "r" (FPSCR_RCHG) in restore_fpu()
458 denormal_to_double (&tsk->thread.xstate->hardfpu, in ieee_fpe_handler()
473 hx = tsk->thread.xstate->hardfpu.fp_regs[n]; in ieee_fpe_handler()
474 hy = tsk->thread.xstate->hardfpu.fp_regs[m]; in ieee_fpe_handler()
475 fpscr = tsk->thread.xstate->hardfpu.fpscr; in ieee_fpe_handler()
502 tsk->thread.xstate->hardfpu.fp_regs[n] = hx; in ieee_fpe_handler()
516 hx = tsk->thread.xstate->hardfpu.fp_regs[n]; in ieee_fpe_handler()
517 hy = tsk->thread.xstate->hardfpu.fp_regs[m]; in ieee_fpe_handler()
518 fpscr = tsk->thread.xstate->hardfpu.fpscr; in ieee_fpe_handler()
545 tsk->thread.xstate->hardfpu.fp_regs[n] = hx; in ieee_fpe_handler()
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/linux-6.15/arch/sh/kernel/cpu/
H A Dfpu.c22 if (!tsk->thread.xstate) { in init_fpu()
23 tsk->thread.xstate = kmem_cache_alloc(task_xstate_cachep, in init_fpu()
25 if (!tsk->thread.xstate) in init_fpu()
30 struct sh_fpu_hard_struct *fp = &tsk->thread.xstate->hardfpu; in init_fpu()
34 struct sh_fpu_soft_struct *fp = &tsk->thread.xstate->softfpu; in init_fpu()
/linux-6.15/arch/x86/kernel/fpu/
H A Dxstate.h320 struct xregs_state *xstate = ((__force struct xregs_state *)buf); in xrstor_from_user_sigframe() local
328 XSTATE_OP(XRSTOR, xstate, lmask, hmask, err); in xrstor_from_user_sigframe()
340 struct xregs_state *xstate = &fpstate->regs.xsave; in os_xrstor_safe() local
349 XSTATE_OP(XRSTORS, xstate, lmask, hmask, err); in os_xrstor_safe()
351 XSTATE_OP(XRSTOR, xstate, lmask, hmask, err); in os_xrstor_safe()
H A DMakefile6 obj-y += init.o bugs.o core.o regset.o signal.o xstate.o
H A Dxstate.c305 static __init void os_xrstor_booting(struct xregs_state *xstate) in os_xrstor_booting() argument
313 XSTATE_OP(XRSTORS, xstate, lmask, hmask, err); in os_xrstor_booting()
315 XSTATE_OP(XRSTOR, xstate, lmask, hmask, err); in os_xrstor_booting()
1047 static void copy_feature(bool from_xstate, struct membuf *to, void *xstate, in copy_feature() argument
1050 membuf_write(to, from_xstate ? xstate : init_xstate, size); in copy_feature()
1365 void xsaves(struct xregs_state *xstate, u64 mask) in xsaves() argument
1372 XSTATE_OP(XSAVES, xstate, (u32)mask, (u32)(mask >> 32), err); in xsaves()
1389 void xrstors(struct xregs_state *xstate, u64 mask) in xrstors() argument
1396 XSTATE_OP(XRSTORS, xstate, (u32)mask, (u32)(mask >> 32), err); in xrstors()
H A Dcore.c569 struct cet_user_state *xstate; in update_fpu_shstk() local
575 xstate = get_xsave_addr(&dst->thread.fpu.fpstate->regs.xsave, in update_fpu_shstk()
584 if (WARN_ON_ONCE(!xstate)) in update_fpu_shstk()
587 xstate->user_ssp = (u64)ssp; in update_fpu_shstk()
/linux-6.15/Documentation/arch/x86/
H A Dindex.rst45 xstate
H A Dxstate.rst79 the handler allocates a larger xstate buffer for the task so the large
H A Dsva.rst135 and the cleared IA32_PASID MSR reduces context switch overhead by xstate
/linux-6.15/arch/sh/include/asm/
H A Dprocessor_32.h108 union thread_xstate *xstate; member
/linux-6.15/drivers/net/ppp/
H A Dppp_generic.c138 unsigned int xstate; /* transmit state bits 68 */ member
849 val = ppp->flags | ppp->xstate | ppp->rstate; in ppp_ioctl()
3073 ppp->xstate &= ~SC_COMP_RUN; in ppp_set_compress()
3136 ppp->xstate &= ~SC_COMP_RUN; in ppp_ccp_peek()
3149 ppp->xstate &= ~SC_COMP_RUN; in ppp_ccp_peek()
3177 ppp->xstate |= SC_COMP_RUN; in ppp_ccp_peek()
3202 void *xstate, *rstate; in ppp_ccp_closed() local
3207 ppp->xstate = 0; in ppp_ccp_closed()
3209 xstate = ppp->xc_state; in ppp_ccp_closed()
3217 if (xstate) { in ppp_ccp_closed()
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/linux-6.15/arch/sh/math-emu/
H A Dmath.c497 struct sh_fpu_soft_struct *fpu = &(tsk->thread.xstate->softfpu); in do_fpu_inst()
/linux-6.15/tools/testing/selftests/kvm/include/x86/
H A Dprocessor.h67 struct xstate { struct