/usr/src/linux-headers-5.15.0-181/arch/x86/include/asm/fpu
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api.h50390644editdlrm
internal.h00644editdlrm
regset.h6370644editdlrm
sched.h20650644editdlrm
signal.h14940644editdlrm
types.h137970644editdlrm
xcr.h4830644editdlrm
xstate.h41360644editdlrm
Edit: /usr/src/linux-headers-5.15.0-181/arch/x86/include/asm/fpu/xcr.h (483B)
/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_FPU_XCR_H #define _ASM_X86_FPU_XCR_H #define XCR_XFEATURE_ENABLED_MASK 0x00000000 static inline u64 xgetbv(u32 index) { u32 eax, edx; asm volatile("xgetbv" : "=a" (eax), "=d" (edx) : "c" (index)); return eax + ((u64)edx << 32); } static inline void xsetbv(u32 index, u64 value) { u32 eax = value; u32 edx = value >> 32; asm volatile("xsetbv" :: "a" (eax), "d" (edx), "c" (index)); } #endif /* _ASM_X86_FPU_XCR_H */