From patchwork Tue Nov 26 20:13:22 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Michal_Such=C3=A1nek?= X-Patchwork-Id: 1201186 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 47MwcH3cb2z9sPK for ; Wed, 27 Nov 2019 07:34:23 +1100 (AEDT) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=suse.de Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 47MwcH2DzRzDqfk for ; Wed, 27 Nov 2019 07:34:23 +1100 (AEDT) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=suse.de (client-ip=195.135.220.15; helo=mx1.suse.de; envelope-from=msuchanek@suse.de; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=suse.de Received: from mx1.suse.de (mx2.suse.de [195.135.220.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 47Mw922xGczDqXw for ; Wed, 27 Nov 2019 07:14:14 +1100 (AEDT) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 62EF1B14B; Tue, 26 Nov 2019 20:14:11 +0000 (UTC) From: Michal Suchanek To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH v2 08/35] powerpc/64s/exception: Remove old INT_KVM_HANDLER Date: Tue, 26 Nov 2019 21:13:22 +0100 Message-Id: X-Mailer: git-send-email 2.23.0 In-Reply-To: References: MIME-Version: 1.0 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Madhavan Srinivasan , David Hildenbrand , Heiko Carstens , Claudio Carvalho , David Howells , Masahiro Yamada , Paul Mackerras , Christian Brauner , Breno Leitao , Michael Neuling , Nicolai Stange , Diana Craciun , Firoz Khan , Allison Randal , Mahesh Salgaonkar , Geert Uytterhoeven , "Naveen N. Rao" , Michal Suchanek , Valentin Schneider , Jagadeesh Pagadala , Arnd Bergmann , Nicholas Piggin , Alexander Viro , Steven Rostedt , Thomas Gleixner , Dmitry Vyukov , Daniel Axtens , Gustavo Romero , Mathieu Malaterre , Greg Kroah-Hartman , Oleg Nesterov , linux-kernel@vger.kernel.org, "Eric W. Biederman" , Andrew Donnellan , Brajeswar Ghosh , Hari Bathini , Andrew Morton Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" From: Nicholas Piggin Signed-off-by: Nicholas Piggin --- arch/powerpc/kernel/exceptions-64s.S | 55 +++++++++++++--------------- 1 file changed, 26 insertions(+), 29 deletions(-) diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index f318869607db..bef0c2eee7dc 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -266,15 +266,6 @@ do_define_int n .endif .endm -.macro INT_KVM_HANDLER name, vec, hsrr, area, skip - TRAMP_KVM_BEGIN(\name\()_kvm) - KVM_HANDLER \vec, \hsrr, \area, \skip -.endm - -.macro GEN_KVM name - KVM_HANDLER IVEC, IHSRR, IAREA, IKVM_SKIP -.endm - #ifdef CONFIG_KVM_BOOK3S_64_HANDLER #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE /* @@ -293,35 +284,35 @@ do_define_int n bne \name\()_kvm .endm -.macro KVM_HANDLER vec, hsrr, area, skip - .if \skip +.macro GEN_KVM name + .if IKVM_SKIP cmpwi r10,KVM_GUEST_MODE_SKIP beq 89f .else BEGIN_FTR_SECTION_NESTED(947) - ld r10,\area+EX_CFAR(r13) + ld r10,IAREA+EX_CFAR(r13) std r10,HSTATE_CFAR(r13) END_FTR_SECTION_NESTED(CPU_FTR_CFAR,CPU_FTR_CFAR,947) .endif BEGIN_FTR_SECTION_NESTED(948) - ld r10,\area+EX_PPR(r13) + ld r10,IAREA+EX_PPR(r13) std r10,HSTATE_PPR(r13) END_FTR_SECTION_NESTED(CPU_FTR_HAS_PPR,CPU_FTR_HAS_PPR,948) - ld r10,\area+EX_R10(r13) + ld r10,IAREA+EX_R10(r13) std r12,HSTATE_SCRATCH0(r13) sldi r12,r9,32 /* HSRR variants have the 0x2 bit added to their trap number */ - .if \hsrr == EXC_HV_OR_STD + .if IHSRR == EXC_HV_OR_STD BEGIN_FTR_SECTION - ori r12,r12,(\vec + 0x2) + ori r12,r12,(IVEC + 0x2) FTR_SECTION_ELSE - ori r12,r12,(\vec) + ori r12,r12,(IVEC) ALT_FTR_SECTION_END_IFSET(CPU_FTR_HVMODE | CPU_FTR_ARCH_206) - .elseif \hsrr - ori r12,r12,(\vec + 0x2) + .elseif IHSRR + ori r12,r12,(IVEC+ 0x2) .else - ori r12,r12,(\vec) + ori r12,r12,(IVEC) .endif #ifdef CONFIG_RELOCATABLE @@ -334,25 +325,25 @@ END_FTR_SECTION_NESTED(CPU_FTR_HAS_PPR,CPU_FTR_HAS_PPR,948) std r9,HSTATE_SCRATCH1(r13) __LOAD_FAR_HANDLER(r9, kvmppc_interrupt) mtctr r9 - ld r9,\area+EX_R9(r13) + ld r9,IAREA+EX_R9(r13) bctr #else - ld r9,\area+EX_R9(r13) + ld r9,IAREA+EX_R9(r13) b kvmppc_interrupt #endif - .if \skip + .if IKVM_SKIP 89: mtocrf 0x80,r9 - ld r9,\area+EX_R9(r13) - ld r10,\area+EX_R10(r13) - .if \hsrr == EXC_HV_OR_STD + ld r9,IAREA+EX_R9(r13) + ld r10,IAREA+EX_R10(r13) + .if IHSRR == EXC_HV_OR_STD BEGIN_FTR_SECTION b kvmppc_skip_Hinterrupt FTR_SECTION_ELSE b kvmppc_skip_interrupt ALT_FTR_SECTION_END_IFSET(CPU_FTR_HVMODE | CPU_FTR_ARCH_206) - .elseif \hsrr + .elseif IHSRR b kvmppc_skip_Hinterrupt .else b kvmppc_skip_interrupt @@ -363,7 +354,7 @@ END_FTR_SECTION_NESTED(CPU_FTR_HAS_PPR,CPU_FTR_HAS_PPR,948) #else .macro KVMTEST name, hsrr, n .endm -.macro KVM_HANDLER name, vec, hsrr, area, skip +.macro GEN_KVM name .endm #endif @@ -1640,6 +1631,12 @@ EXC_VIRT_NONE(0x4b00, 0x100) * without saving, though xer is not a good idea to use, as hardware may * interpret some bits so it may be costly to change them. */ +INT_DEFINE_BEGIN(system_call) + IVEC=0xc00 + IKVM_REAL=1 + IKVM_VIRT=1 +INT_DEFINE_END(system_call) + .macro SYSTEM_CALL virt #ifdef CONFIG_KVM_BOOK3S_64_HANDLER /* @@ -1733,7 +1730,7 @@ TRAMP_KVM_BEGIN(system_call_kvm) SET_SCRATCH0(r10) std r9,PACA_EXGEN+EX_R9(r13) mfcr r9 - KVM_HANDLER 0xc00, EXC_STD, PACA_EXGEN, 0 + GEN_KVM system_call #endif