From owner-svn-src-head@freebsd.org Thu Jan 11 09:39:39 2018 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id E976DE7A991; Thu, 11 Jan 2018 09:39:39 +0000 (UTC) (envelope-from wma@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id C3DC563635; Thu, 11 Jan 2018 09:39:39 +0000 (UTC) (envelope-from wma@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 0F6CE13182; Thu, 11 Jan 2018 09:39:39 +0000 (UTC) (envelope-from wma@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w0B9dcmV032282; Thu, 11 Jan 2018 09:39:38 GMT (envelope-from wma@FreeBSD.org) Received: (from wma@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w0B9dcMW032280; Thu, 11 Jan 2018 09:39:38 GMT (envelope-from wma@FreeBSD.org) Message-Id: <201801110939.w0B9dcMW032280@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: wma set sender to wma@FreeBSD.org using -f From: Wojciech Macek Date: Thu, 11 Jan 2018 09:39:38 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r327814 - in head/sys/powerpc: include powernv X-SVN-Group: head X-SVN-Commit-Author: wma X-SVN-Commit-Paths: in head/sys/powerpc: include powernv X-SVN-Commit-Revision: 327814 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 11 Jan 2018 09:39:40 -0000 Author: wma Date: Thu Jan 11 09:39:38 2018 New Revision: 327814 URL: https://svnweb.freebsd.org/changeset/base/327814 Log: PowerNV: set LPCR[LPES] correctly Make sure to set LPCR[LPES] so that external interrupts set SRR0 and SRR1 instead of HSRR0 and HSRR1. Without this, external interrupt handlers would get the wrong MSR value when executing, causing eventual madness. Created by: Nathan Whitehorn Submitted by: Wojciech Macek Sponsored by: FreeBSD Foundation Modified: head/sys/powerpc/include/spr.h head/sys/powerpc/powernv/platform_powernv.c Modified: head/sys/powerpc/include/spr.h ============================================================================== --- head/sys/powerpc/include/spr.h Thu Jan 11 09:34:33 2018 (r327813) +++ head/sys/powerpc/include/spr.h Thu Jan 11 09:39:38 2018 (r327814) @@ -199,6 +199,9 @@ #define FSL_E300C3 0x8085 #define FSL_E300C4 0x8086 +#define SPR_LPCR 0x13e /* Logical Partitioning Control */ +#define LPCR_LPES 0x008 /* Bit 60 */ + #define SPR_EPCR 0x133 #define EPCR_EXTGS 0x80000000 #define EPCR_DTLBGS 0x40000000 Modified: head/sys/powerpc/powernv/platform_powernv.c ============================================================================== --- head/sys/powerpc/powernv/platform_powernv.c Thu Jan 11 09:34:33 2018 (r327813) +++ head/sys/powerpc/powernv/platform_powernv.c Thu Jan 11 09:39:38 2018 (r327814) @@ -118,6 +118,9 @@ powernv_attach(platform_t plat) cpu_idle_hook = powernv_cpu_idle; + /* Direct interrupts to SRR instead of HSRR */ + mtspr(SPR_LPCR, mfspr(SPR_LPCR) | LPCR_LPES); + return (0); }