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x86: Add rdtscp32() into cpufunc.h.

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Suggested by:	markj
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D27986
This commit is contained in:
Konstantin Belousov 2021-01-09 22:39:19 +02:00
parent 826fc3cc3d
commit 45974de8fb
2 changed files with 18 additions and 0 deletions
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9
sys/amd64/include/cpufunc.h
View file

@ -412,6 +412,15 @@ rdtsc32(void)
return (rv);
}
static __inline uint32_t
rdtscp32(void)
{
uint32_t rv;
__asm __volatile("rdtscp" : "=a" (rv) : : "ecx", "edx");
return (rv);
}
static __inline void
wbinvd(void)
{

9
sys/i386/include/cpufunc.h
View file

@ -412,6 +412,15 @@ rdtsc32(void)
return (rv);
}
static __inline uint32_t
rdtscp32(void)
{
uint32_t rv;
__asm __volatile("rdtscp" : "=a" (rv) : : "ecx", "edx");
return (rv);
}
static __inline void
wbinvd(void)
{