From owner-svn-src-stable@freebsd.org Thu Feb 21 12:09:05 2019 Return-Path: Delivered-To: svn-src-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id AFD3C14DE708; Thu, 21 Feb 2019 12:09:05 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 5132C70054; Thu, 21 Feb 2019 12:09:05 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 40C9A1D47C; Thu, 21 Feb 2019 12:09:05 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x1LC95i0079607; Thu, 21 Feb 2019 12:09:05 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x1LC95pW079606; Thu, 21 Feb 2019 12:09:05 GMT (envelope-from kib@FreeBSD.org) Message-Id: <201902211209.x1LC95pW079606@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Thu, 21 Feb 2019 12:09:05 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r344434 - stable/12/sys/i386/include X-SVN-Group: stable-12 X-SVN-Commit-Author: kib X-SVN-Commit-Paths: stable/12/sys/i386/include X-SVN-Commit-Revision: 344434 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 5132C70054 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.94 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_SHORT(-0.94)[-0.942,0]; NEURAL_HAM_LONG(-1.00)[-0.999,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Feb 2019 12:09:05 -0000 Author: kib Date: Thu Feb 21 12:09:04 2019 New Revision: 344434 URL: https://svnweb.freebsd.org/changeset/base/344434 Log: MFC r344118: Provide userspace versions of do_cpuid() and cpuid_count() on i386. Modified: stable/12/sys/i386/include/cpufunc.h Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/i386/include/cpufunc.h ============================================================================== --- stable/12/sys/i386/include/cpufunc.h Thu Feb 21 10:35:32 2019 (r344433) +++ stable/12/sys/i386/include/cpufunc.h Thu Feb 21 12:09:04 2019 (r344434) @@ -108,21 +108,47 @@ disable_intr(void) __asm __volatile("cli" : : : "memory"); } +#ifdef _KERNEL static __inline void do_cpuid(u_int ax, u_int *p) { __asm __volatile("cpuid" - : "=a" (p[0]), "=b" (p[1]), "=c" (p[2]), "=d" (p[3]) - : "0" (ax)); + : "=a" (p[0]), "=b" (p[1]), "=c" (p[2]), "=d" (p[3]) + : "0" (ax)); } static __inline void cpuid_count(u_int ax, u_int cx, u_int *p) { __asm __volatile("cpuid" - : "=a" (p[0]), "=b" (p[1]), "=c" (p[2]), "=d" (p[3]) - : "0" (ax), "c" (cx)); + : "=a" (p[0]), "=b" (p[1]), "=c" (p[2]), "=d" (p[3]) + : "0" (ax), "c" (cx)); } +#else +static __inline void +do_cpuid(u_int ax, u_int *p) +{ + __asm __volatile( + "pushl\t%%ebx\n\t" + "cpuid\n\t" + "movl\t%%ebx,%1\n\t" + "popl\t%%ebx" + : "=a" (p[0]), "=DS" (p[1]), "=c" (p[2]), "=d" (p[3]) + : "0" (ax)); +} + +static __inline void +cpuid_count(u_int ax, u_int cx, u_int *p) +{ + __asm __volatile( + "pushl\t%%ebx\n\t" + "cpuid\n\t" + "movl\t%%ebx,%1\n\t" + "popl\t%%ebx" + : "=a" (p[0]), "=DS" (p[1]), "=c" (p[2]), "=d" (p[3]) + : "0" (ax), "c" (cx)); +} +#endif static __inline void enable_intr(void)