From nobody Mon Jan 10 19:50:47 2022 X-Original-To: dev-commits-src-all@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 0336D19547FB; Mon, 10 Jan 2022 19:50:51 +0000 (UTC) (envelope-from git@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) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4JXkvs3Yypz3P3K; Mon, 10 Jan 2022 19:50:49 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 3B54A32B0; Mon, 10 Jan 2022 19:50:47 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 20AJolxS009205; Mon, 10 Jan 2022 19:50:47 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 20AJolRZ009204; Mon, 10 Jan 2022 19:50:47 GMT (envelope-from git) Date: Mon, 10 Jan 2022 19:50:47 GMT Message-Id: <202201101950.20AJolRZ009204@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Vladimir Kondratyev Subject: git: f3ddb82d9a99 - main - LinuxKPI: Add static_cpu_has() implementation List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-all@freebsd.org X-BeenThere: dev-commits-src-all@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: wulf X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: f3ddb82d9a99d36ea585d034ccbdea1dfc5b1def Auto-Submitted: auto-generated ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1641844249; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=tj20xYfl2PeOgCaJYBDIkQitHCLSyhCxXJUUDo/LOGM=; b=n3KhREeH86mAADs/z5mbcqId8gAB02fkJ4VzGtdwtrBhgb9V2nFk66q8CjwlA6cbUxU1SG 08M32j9dQkwje9k5iAns0jYBslSTDmtEM2QvLd6TrdETgtx/jkDFh8AVs6hgFTYerTIPOw DH5omndel+JIGv5cS2TFARtwAShFD05ZyNyur8GTItuiAIndqYkugeqQeS48baC7X6I7gF r4IR0pwKmI058PYnEUQKel85SANtCDIwBdtlfNN6rRDlYIaeOnx7SNr/j0Kok94V+QLJy5 2e/KLcTWhRMsVrR4DusdTVzQ+q8ddAsXtXeuyY2B4b+sPUhPvZFp86bCPFmXHg== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1641844249; a=rsa-sha256; cv=none; b=yGv+WVEwlCYDsLTxAsnDiS9YsRRil6mO62Ew06mg1Nwaa/ImVZeC/VEWE+yVmNVZ5DzGRX M/95eWqd3Ewgepbzs0f1ZYB/APD7RhXbVyO+ZX+zEsQFjQqKBEUyG476eza0BTPNXh8197 A1tA7Yerpjoa9D+YfK/474U3wRgn3BAiCHkFW4vvApLRHXYAuwp16M2VjJNo/vgfpytGn5 q7GOhW4Zv8nbTo+lf/jLcP6EbxZ5cSKVS5rhsssE1tqoh6iE+J6+y7MgYXdtofO2g1fF1/ O6Dg3HuRiVclGKwBPdf2KhCnSddTCsmMDbTdmwvNREvxSH9UgfCspR4lTuV2Rg== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N The branch main has been updated by wulf: URL: https://cgit.FreeBSD.org/src/commit/?id=f3ddb82d9a99d36ea585d034ccbdea1dfc5b1def commit f3ddb82d9a99d36ea585d034ccbdea1dfc5b1def Author: Vladimir Kondratyev AuthorDate: 2021-12-06 10:18:03 +0000 Commit: Vladimir Kondratyev CommitDate: 2022-01-10 19:49:38 +0000 LinuxKPI: Add static_cpu_has() implementation static_cpu_has returns true if CPU supports requested feature. Obtained from: OpenBSD MFC after: 1 week Reviewed by: hselasky, manu Differential Revision: https://reviews.freebsd.org/D33301 --- .../linuxkpi/common/include/asm/cpufeature.h | 37 ++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/sys/compat/linuxkpi/common/include/asm/cpufeature.h b/sys/compat/linuxkpi/common/include/asm/cpufeature.h new file mode 100644 index 000000000000..049088648aa3 --- /dev/null +++ b/sys/compat/linuxkpi/common/include/asm/cpufeature.h @@ -0,0 +1,37 @@ +/* Public domain. */ + +#ifndef _ASM_CPUFEATURE_H +#define _ASM_CPUFEATURE_H + +#if defined(__amd64__) || defined(__i386__) + +#include +#include + +#define X86_FEATURE_CLFLUSH 1 +#define X86_FEATURE_XMM4_1 2 +#define X86_FEATURE_PAT 3 +#define X86_FEATURE_HYPERVISOR 4 + +static inline bool +static_cpu_has(uint16_t f) +{ + switch (f) { + case X86_FEATURE_CLFLUSH: + return ((cpu_feature & CPUID_CLFSH) != 0); + case X86_FEATURE_XMM4_1: + return ((cpu_feature2 & CPUID2_SSE41) != 0); + case X86_FEATURE_PAT: + return ((cpu_feature & CPUID_PAT) != 0); + case X86_FEATURE_HYPERVISOR: + return ((cpu_feature2 & CPUID2_HV) != 0); + default: + return (false); + } +} + +#define boot_cpu_has(x) static_cpu_has(x) + +#endif + +#endif