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charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: kib X-Git-Repository: src X-Git-Refname: refs/heads/stable/15 X-Git-Reftype: branch X-Git-Commit: 61412c0ff5cc69103a1e24ceaa387d4a2e150c40 Auto-Submitted: auto-generated Date: Tue, 29 Sep 2026 00:31:51 +0000 Message-Id: <6abb06f7.3c884.2df8691c@gitrepo.freebsd.org> The branch stable/15 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=61412c0ff5cc69103a1e24ceaa387d4a2e150c40 commit 61412c0ff5cc69103a1e24ceaa387d4a2e150c40 Author: Konstantin Belousov AuthorDate: 2026-09-19 08:31:59 +0000 Commit: Konstantin Belousov CommitDate: 2026-09-29 00:26:31 +0000 amd64 cpufunc.h: add WRMSRNS helpers (cherry picked from commit 4a8acccc2e59b6ac5f4068471d94b40347ebeff0) --- sys/amd64/include/cpufunc.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/sys/amd64/include/cpufunc.h b/sys/amd64/include/cpufunc.h index 9a4c82275a99..1703d0109595 100644 --- a/sys/amd64/include/cpufunc.h +++ b/sys/amd64/include/cpufunc.h @@ -382,6 +382,19 @@ wrmsr(u_int msr, uint64_t newval) __asm __volatile("wrmsr" : : "a" (low), "d" (high), "c" (msr)); } +static __inline void +wrmsrns(u_int msr, uint64_t newval) +{ + uint32_t low, high; + + low = newval; + high = newval >> 32; + __asm __volatile("wrmsrns" : : "a" (low), "d" (high), "c" (msr)); +} + +#define wrmsr_imm(msr, val) \ + __asm __volatile("wrmsrns %0, %1" : : "r" (val), "i" (msr)) + static __inline void load_cr0(u_long data) {