From owner-svn-src-all@freebsd.org Mon Sep 14 15:20:38 2020 Return-Path: Delivered-To: svn-src-all@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 71CD53D996A; Mon, 14 Sep 2020 15:20:38 +0000 (UTC) (envelope-from bdragon@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 "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Bqqn224n2z3bTM; Mon, 14 Sep 2020 15:20:38 +0000 (UTC) (envelope-from bdragon@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 2AC3618FAF; Mon, 14 Sep 2020 15:20:38 +0000 (UTC) (envelope-from bdragon@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 08EFKbc5012917; Mon, 14 Sep 2020 15:20:37 GMT (envelope-from bdragon@FreeBSD.org) Received: (from bdragon@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 08EFKbiS012916; Mon, 14 Sep 2020 15:20:37 GMT (envelope-from bdragon@FreeBSD.org) Message-Id: <202009141520.08EFKbiS012916@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: bdragon set sender to bdragon@FreeBSD.org using -f From: Brandon Bergren Date: Mon, 14 Sep 2020 15:20:37 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r365723 - head/sys/powerpc/powerpc X-SVN-Group: head X-SVN-Commit-Author: bdragon X-SVN-Commit-Paths: head/sys/powerpc/powerpc X-SVN-Commit-Revision: 365723 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 Sep 2020 15:20:38 -0000 Author: bdragon Date: Mon Sep 14 15:20:37 2020 New Revision: 365723 URL: https://svnweb.freebsd.org/changeset/base/365723 Log: [PowerPC] Make cpu frequency detection endian-independent On ibm,extended-clock-frequency, ensure we be64toh() the value. On clock-frequency, remove the right-shifting hack (which was needed due to reading a 32 bit value into a 64 bit variable) and switch to OF_getencprop() for reading (which will handle endian conversion internally.) Reviewed by: jhibbits (in irc) Sponsored by: Tag1 Consulting, Inc. Modified: head/sys/powerpc/powerpc/cpu.c Modified: head/sys/powerpc/powerpc/cpu.c ============================================================================== --- head/sys/powerpc/powerpc/cpu.c Mon Sep 14 14:53:09 2020 (r365722) +++ head/sys/powerpc/powerpc/cpu.c Mon Sep 14 15:20:37 2020 (r365723) @@ -72,6 +72,7 @@ #include #include #include +#include #include #include @@ -358,6 +359,7 @@ cpu_est_clockrate(int cpu_id, uint64_t *cps) uint16_t vers; register_t msr; phandle_t cpu, dev, root; + uint32_t freq32; int res = 0; char buf[8]; @@ -428,10 +430,11 @@ cpu_est_clockrate(int cpu_id, uint64_t *cps) return (ENOENT); if (OF_getprop(cpu, "ibm,extended-clock-frequency", cps, sizeof(*cps)) >= 0) { + *cps = be64toh(*cps); return (0); - } else if (OF_getprop(cpu, "clock-frequency", cps, - sizeof(cell_t)) >= 0) { - *cps >>= 32; + } else if (OF_getencprop(cpu, "clock-frequency", + &freq32, sizeof(freq32)) >= 0) { + *cps = freq32; return (0); } else { return (ENOENT);