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/* 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 */