Date: Sun, 10 Jan 2021 02:43:12 GMT From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 45974de8fb23 - main - x86: Add rdtscp32() into cpufunc.h. Message-ID: <202101100243.10A2hCOY058064@gitrepo.freebsd.org>
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The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=45974de8fb23710873417f1d2ca513761da6cacc commit 45974de8fb23710873417f1d2ca513761da6cacc Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2021-01-09 20:39:19 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2021-01-10 02:42:34 +0000 x86: Add rdtscp32() into cpufunc.h. Suggested by: markj MFC after: 1 week Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D27986 --- sys/amd64/include/cpufunc.h | 9 +++++++++ sys/i386/include/cpufunc.h | 9 +++++++++ 2 files changed, 18 insertions(+) diff --git a/sys/amd64/include/cpufunc.h b/sys/amd64/include/cpufunc.h index 94e9c15b5117..2bf2339c7d6e 100644 --- a/sys/amd64/include/cpufunc.h +++ b/sys/amd64/include/cpufunc.h @@ -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) { diff --git a/sys/i386/include/cpufunc.h b/sys/i386/include/cpufunc.h index 3feeef02499c..9646590a6a40 100644 --- a/sys/i386/include/cpufunc.h +++ b/sys/i386/include/cpufunc.h @@ -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) {
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