From patchwork Fri Aug 9 16:00:41 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Adalbert_Laz=C4=83r?= X-Patchwork-Id: 11087049 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2F94E6C5 for ; Fri, 9 Aug 2019 16:15:29 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 181AB201F3 for ; Fri, 9 Aug 2019 16:15:29 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0C01E2022B; Fri, 9 Aug 2019 16:15:29 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B4726201F3 for ; Fri, 9 Aug 2019 16:15:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2437201AbfHIQPL (ORCPT ); Fri, 9 Aug 2019 12:15:11 -0400 Received: from mx01.bbu.dsd.mx.bitdefender.com ([91.199.104.161]:53042 "EHLO mx01.bbu.dsd.mx.bitdefender.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2437129AbfHIQPH (ORCPT ); Fri, 9 Aug 2019 12:15:07 -0400 Received: from smtp.bitdefender.com (smtp02.buh.bitdefender.net [10.17.80.76]) by mx01.bbu.dsd.mx.bitdefender.com (Postfix) with ESMTPS id AF514305D365; Fri, 9 Aug 2019 19:01:42 +0300 (EEST) Received: from localhost.localdomain (unknown [89.136.169.210]) by smtp.bitdefender.com (Postfix) with ESMTPSA id A83CA305B7A3; Fri, 9 Aug 2019 19:01:41 +0300 (EEST) From: =?utf-8?q?Adalbert_Laz=C4=83r?= To: kvm@vger.kernel.org Cc: linux-mm@kvack.org, virtualization@lists.linux-foundation.org, Paolo Bonzini , =?utf-8?b?UmFkaW0gS3LEjW3DocWZ?= , Konrad Rzeszutek Wilk , Tamas K Lengyel , Mathieu Tarral , =?utf-8?q?Samuel_Laur=C3=A9?= =?utf-8?q?n?= , Patrick Colp , Jan Kiszka , Stefan Hajnoczi , Weijiang Yang , Zhang@vger.kernel.org, Yu C , =?utf-8?q?Mihai_Don=C8=9Bu?= , =?utf-8?q?Adalbert_L?= =?utf-8?q?az=C4=83r?= Subject: [RFC PATCH v6 86/92] kvm: x86: emulate xorpd xmm2/m128, xmm1 Date: Fri, 9 Aug 2019 19:00:41 +0300 Message-Id: <20190809160047.8319-87-alazar@bitdefender.com> In-Reply-To: <20190809160047.8319-1-alazar@bitdefender.com> References: <20190809160047.8319-1-alazar@bitdefender.com> MIME-Version: 1.0 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Mihai Donțu This adds support for xorpd xmm2/m128, xmm1. Signed-off-by: Mihai Donțu Signed-off-by: Adalbert Lazăr --- arch/x86/kvm/emulate.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 287d3751675d..28aac552b34b 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -1178,6 +1178,22 @@ static int em_fnstsw(struct x86_emulate_ctxt *ctxt) return X86EMUL_CONTINUE; } +static int em_xorpd(struct x86_emulate_ctxt *ctxt) +{ + const sse128_t *src = &ctxt->src.vec_val; + sse128_t *dst = &ctxt->dst.vec_val; + sse128_t xmm0; + + asm volatile("movdqu %%xmm0, %0\n" + "movdqu %1, %%xmm0\n" + "xorpd %2, %%xmm0\n" + "movdqu %%xmm0, %1\n" + "movdqu %0, %%xmm0" + : "+m"(xmm0), "+m"(*dst) : "m"(*src)); + + return X86EMUL_CONTINUE; +} + static u8 simd_prefix_to_bytes(const struct x86_emulate_ctxt *ctxt, int simd_prefix) { @@ -4831,7 +4847,8 @@ static const struct opcode twobyte_table[256] = { /* 0x40 - 0x4F */ X16(D(DstReg | SrcMem | ModRM)), /* 0x50 - 0x5F */ - N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, + N, N, N, N, N, N, N, I(SrcMem | DstReg | ModRM | Unaligned | Sse, em_xorpd), + N, N, N, N, N, N, N, N, /* 0x60 - 0x6F */ N, N, N, N, N, N, N, N,