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amd64: add convenience wrappers for INVLPGB and TBLSYNC

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(cherry picked from commit 111c7fc2fe)
This commit is contained in:
Konstantin Belousov 2024-05-14 01:40:07 +03:00
parent d66c4853b8
commit c3cd4db461
1 changed files with 23 additions and 0 deletions
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23
sys/amd64/include/cpufunc.h
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@ -529,6 +529,29 @@ invpcid(struct invpcid_descr *d, int type)
: : "r" (d), "r" ((u_long)type) : "memory");
}
#define INVLPGB_VA 0x0001
#define INVLPGB_PCID 0x0002
#define INVLPGB_ASID 0x0004
#define INVLPGB_GLOB 0x0008
#define INVLPGB_FIN 0x0010
#define INVLPGB_NEST 0x0020
#define INVLPGB_DESCR(asid, pcid) (((pcid) << 16) | (asid))
#define INVLPGB_2M_CNT (1u << 31)
static __inline void
invlpgb(uint64_t rax, uint32_t edx, uint32_t ecx)
{
__asm __volatile("invlpgb" : : "a" (rax), "d" (edx), "c" (ecx));
}
static __inline void
tlbsync(void)
{
__asm __volatile("tlbsync");
}
static __inline u_short
rfs(void)
{