From patchwork Fri Oct 30 15:47:17 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Graf X-Patchwork-Id: 56638 Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id n9UFm6iF005920 for ; Fri, 30 Oct 2009 15:48:06 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932475AbZJ3Pro (ORCPT ); Fri, 30 Oct 2009 11:47:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932522AbZJ3Prm (ORCPT ); Fri, 30 Oct 2009 11:47:42 -0400 Received: from cantor.suse.de ([195.135.220.2]:53075 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932473AbZJ3Pr2 (ORCPT ); Fri, 30 Oct 2009 11:47:28 -0400 Received: from relay1.suse.de (relay-ext.suse.de [195.135.221.8]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.suse.de (Postfix) with ESMTP id D388D94608; Fri, 30 Oct 2009 16:47:31 +0100 (CET) From: Alexander Graf To: kvm@vger.kernel.org Cc: Avi Kivity , kvm-ppc , Hollis Blanchard , Arnd Bergmann , Benjamin Herrenschmidt , Kevin Wolf , bphilips@suse.de, Marcelo Tosatti , Olof Johansson , linuxppc-dev@ozlabs.org Subject: [PATCH 17/27] Make head_64.S aware of KVM real mode code Date: Fri, 30 Oct 2009 16:47:17 +0100 Message-Id: <1256917647-6200-18-git-send-email-agraf@suse.de> X-Mailer: git-send-email 1.6.0.2 In-Reply-To: <1256917647-6200-1-git-send-email-agraf@suse.de> References: <1256917647-6200-1-git-send-email-agraf@suse.de> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h index a98653b..57c4000 100644 --- a/arch/powerpc/include/asm/exception-64s.h +++ b/arch/powerpc/include/asm/exception-64s.h @@ -147,6 +147,7 @@ .globl label##_pSeries; \ label##_pSeries: \ HMT_MEDIUM; \ + DO_KVM n; \ mtspr SPRN_SPRG_SCRATCH0,r13; /* save r13 */ \ EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common) @@ -170,6 +171,7 @@ label##_pSeries: \ .globl label##_pSeries; \ label##_pSeries: \ HMT_MEDIUM; \ + DO_KVM n; \ mtspr SPRN_SPRG_SCRATCH0,r13; /* save r13 */ \ mfspr r13,SPRN_SPRG_PACA; /* get paca address into r13 */ \ std r9,PACA_EXGEN+EX_R9(r13); /* save r9, r10 */ \ diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index 1808876..fc3ead0 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -41,6 +41,7 @@ __start_interrupts: . = 0x200 _machine_check_pSeries: HMT_MEDIUM + DO_KVM 0x200 mtspr SPRN_SPRG_SCRATCH0,r13 /* save r13 */ EXCEPTION_PROLOG_PSERIES(PACA_EXMC, machine_check_common) @@ -48,6 +49,7 @@ _machine_check_pSeries: .globl data_access_pSeries data_access_pSeries: HMT_MEDIUM + DO_KVM 0x300 mtspr SPRN_SPRG_SCRATCH0,r13 BEGIN_FTR_SECTION mfspr r13,SPRN_SPRG_PACA @@ -77,6 +79,7 @@ ALT_FTR_SECTION_END_IFCLR(CPU_FTR_SLB) .globl data_access_slb_pSeries data_access_slb_pSeries: HMT_MEDIUM + DO_KVM 0x380 mtspr SPRN_SPRG_SCRATCH0,r13 mfspr r13,SPRN_SPRG_PACA /* get paca address into r13 */ std r3,PACA_EXSLB+EX_R3(r13) @@ -115,6 +118,7 @@ data_access_slb_pSeries: .globl instruction_access_slb_pSeries instruction_access_slb_pSeries: HMT_MEDIUM + DO_KVM 0x480 mtspr SPRN_SPRG_SCRATCH0,r13 mfspr r13,SPRN_SPRG_PACA /* get paca address into r13 */ std r3,PACA_EXSLB+EX_R3(r13) @@ -154,6 +158,7 @@ instruction_access_slb_pSeries: .globl system_call_pSeries system_call_pSeries: HMT_MEDIUM + DO_KVM 0xc00 BEGIN_FTR_SECTION cmpdi r0,0x1ebe beq- 1f @@ -186,12 +191,15 @@ END_FTR_SECTION_IFSET(CPU_FTR_REAL_LE) * trickery is thus necessary */ . = 0xf00 + DO_KVM 0xf00 b performance_monitor_pSeries . = 0xf20 + DO_KVM 0xf20 b altivec_unavailable_pSeries . = 0xf40 + DO_KVM 0xf40 b vsx_unavailable_pSeries #ifdef CONFIG_CBE_RAS diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index c38afdb..9258074 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -37,6 +37,7 @@ #include #include #include +#include /* The physical memory is layed out such that the secondary processor * spin code sits at 0x0000...0x00ff. On server, the vectors follow @@ -165,6 +166,12 @@ exception_marker: #include "exceptions-64s.S" #endif +/* KVM trampoline code needs to be close to the interrupt handlers */ + +#ifdef CONFIG_KVM_BOOK3S_64_HANDLER +#include "../kvm/book3s_64_rmhandlers.S" +#endif + _GLOBAL(generic_secondary_thread_init) mr r24,r3