From nobody Mon Feb 9 09:43:22 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1513795078987602.9066138524508; Wed, 20 Dec 2017 10:37:58 -0800 (PST) Received: from localhost ([::1]:34272 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eRjFW-0007Ks-Nb for importer@patchew.org; Wed, 20 Dec 2017 13:37:50 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47416) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eRij3-0004L7-Ez for qemu-devel@nongnu.org; Wed, 20 Dec 2017 13:04:19 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eRiiy-0002Qm-CC for qemu-devel@nongnu.org; Wed, 20 Dec 2017 13:04:17 -0500 Received: from mx1.redhat.com ([209.132.183.28]:39832) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eRiiy-0002QJ-3m for qemu-devel@nongnu.org; Wed, 20 Dec 2017 13:04:12 -0500 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 45F43820E6; Wed, 20 Dec 2017 18:04:11 +0000 (UTC) Received: from donizetti.redhat.com (ovpn-116-46.ams2.redhat.com [10.36.116.46]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4D8EF38181; Wed, 20 Dec 2017 18:04:10 +0000 (UTC) From: Paolo Bonzini To: qemu-devel@nongnu.org Date: Wed, 20 Dec 2017 19:03:43 +0100 Message-Id: <20171220180358.29316-5-pbonzini@redhat.com> In-Reply-To: <20171220180358.29316-1-pbonzini@redhat.com> References: <20171220180358.29316-1-pbonzini@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Wed, 20 Dec 2017 18:04:11 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 04/19] i386: hvf: use new helper functions for put/get xsave X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sergio Andres Gomez Del Real Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Sergio Andres Gomez Del Real This patch makes use of the helper functions for handling xsave in xsave_helper.c, which are shared with kvm. Signed-off-by: Sergio Andres Gomez Del Real Message-Id: <20170913090522.4022-10-Sergio.G.DelReal@gmail.com> Signed-off-by: Paolo Bonzini --- target/i386/hvf-all.c | 3 +- target/i386/hvf-utils/x86.h | 7 ----- target/i386/hvf-utils/x86hvf.c | 69 +++++++-------------------------------= ---- 3 files changed, 12 insertions(+), 67 deletions(-) diff --git a/target/i386/hvf-all.c b/target/i386/hvf-all.c index 85e246ff69..cfd7de4f6a 100644 --- a/target/i386/hvf-all.c +++ b/target/i386/hvf-all.c @@ -499,8 +499,7 @@ int hvf_init_vcpu(CPUState *cpu) hvf_reset_vcpu(cpu); =20 x86cpu =3D X86_CPU(cpu); - x86cpu->env.kvm_xsave_buf =3D qemu_memalign(4096, - sizeof(struct hvf_xsave_buf)); + x86cpu->env.kvm_xsave_buf =3D qemu_memalign(4096, 4096); =20 hv_vcpu_enable_native_msr(cpu->hvf_fd, MSR_STAR, 1); hv_vcpu_enable_native_msr(cpu->hvf_fd, MSR_LSTAR, 1); diff --git a/target/i386/hvf-utils/x86.h b/target/i386/hvf-utils/x86.h index ca39d829d1..250364b448 100644 --- a/target/i386/hvf-utils/x86.h +++ b/target/i386/hvf-utils/x86.h @@ -373,13 +373,6 @@ struct HVFX86EmulatorState { uint8_t mmio_buf[4096]; }; =20 -/* -* hvf xsave area -*/ -struct hvf_xsave_buf { - uint32_t data[1024]; -}; - /* useful register access macros */ #define RIP(cpu) (cpu->hvf_emul->rip) #define EIP(cpu) ((uint32_t)cpu->hvf_emul->rip) diff --git a/target/i386/hvf-utils/x86hvf.c b/target/i386/hvf-utils/x86hvf.c index 1e687f4f89..15d65b2105 100644 --- a/target/i386/hvf-utils/x86hvf.c +++ b/target/i386/hvf-utils/x86hvf.c @@ -76,36 +76,13 @@ void hvf_get_segment(SegmentCache *qseg, struct vmx_seg= ment *vmx_seg) void hvf_put_xsave(CPUState *cpu_state) { =20 - int x; - struct hvf_xsave_buf *xsave; - =20 + struct X86XSaveArea *xsave; + xsave =3D X86_CPU(cpu_state)->env.kvm_xsave_buf; - memset(xsave, 0, sizeof(*xsave));=20 - =20 - memcpy(&xsave->data[4], &X86_CPU(cpu_state)->env.fpdp, sizeof(X86_CPU(= cpu_state)->env.fpdp)); - memcpy(&xsave->data[2], &X86_CPU(cpu_state)->env.fpip, sizeof(X86_CPU(= cpu_state)->env.fpip)); - memcpy(&xsave->data[8], &X86_CPU(cpu_state)->env.fpregs, sizeof(X86_CP= U(cpu_state)->env.fpregs)); - memcpy(&xsave->data[144], &X86_CPU(cpu_state)->env.ymmh_regs, sizeof(X= 86_CPU(cpu_state)->env.ymmh_regs)); - memcpy(&xsave->data[288], &X86_CPU(cpu_state)->env.zmmh_regs, sizeof(X= 86_CPU(cpu_state)->env.zmmh_regs)); - memcpy(&xsave->data[272], &X86_CPU(cpu_state)->env.opmask_regs, sizeof= (X86_CPU(cpu_state)->env.opmask_regs)); - memcpy(&xsave->data[240], &X86_CPU(cpu_state)->env.bnd_regs, sizeof(X8= 6_CPU(cpu_state)->env.bnd_regs)); - memcpy(&xsave->data[256], &X86_CPU(cpu_state)->env.bndcs_regs, sizeof(= X86_CPU(cpu_state)->env.bndcs_regs)); - memcpy(&xsave->data[416], &X86_CPU(cpu_state)->env.hi16_zmm_regs, size= of(X86_CPU(cpu_state)->env.hi16_zmm_regs)); - =20 - xsave->data[0] =3D (uint16_t)X86_CPU(cpu_state)->env.fpuc; - xsave->data[0] |=3D (X86_CPU(cpu_state)->env.fpus << 16); - xsave->data[0] |=3D (X86_CPU(cpu_state)->env.fpstt & 7) << 11; - =20 - for (x =3D 0; x < 8; ++x) - xsave->data[1] |=3D ((!X86_CPU(cpu_state)->env.fptags[x]) << x); - xsave->data[1] |=3D (uint32_t)(X86_CPU(cpu_state)->env.fpop << 16); - =20 - memcpy(&xsave->data[40], &X86_CPU(cpu_state)->env.xmm_regs, sizeof(X86= _CPU(cpu_state)->env.xmm_regs)); - =20 - xsave->data[6] =3D X86_CPU(cpu_state)->env.mxcsr; - *(uint64_t *)&xsave->data[128] =3D X86_CPU(cpu_state)->env.xstate_bv; - =20 - if (hv_vcpu_write_fpstate(cpu_state->hvf_fd, xsave->data, 4096)){ + + x86_cpu_xsave_all_areas(X86_CPU(cpu_state), xsave); + + if (hv_vcpu_write_fpstate(cpu_state->hvf_fd, (void*)xsave, 4096)) { abort(); } } @@ -187,39 +164,15 @@ void hvf_put_msrs(CPUState *cpu_state) =20 void hvf_get_xsave(CPUState *cpu_state) { - int x; - struct hvf_xsave_buf *xsave; - =20 + struct X86XSaveArea *xsave; + xsave =3D X86_CPU(cpu_state)->env.kvm_xsave_buf; - =20 - if (hv_vcpu_read_fpstate(cpu_state->hvf_fd, xsave->data, 4096)) { + + if (hv_vcpu_read_fpstate(cpu_state->hvf_fd, (void*)xsave, 4096)) { abort(); } =20 - memcpy(&X86_CPU(cpu_state)->env.fpdp, &xsave->data[4], sizeof(X86_CPU(= cpu_state)->env.fpdp)); - memcpy(&X86_CPU(cpu_state)->env.fpip, &xsave->data[2], sizeof(X86_CPU(= cpu_state)->env.fpip)); - memcpy(&X86_CPU(cpu_state)->env.fpregs, &xsave->data[8], sizeof(X86_CP= U(cpu_state)->env.fpregs)); - memcpy(&X86_CPU(cpu_state)->env.ymmh_regs, &xsave->data[144], sizeof(X= 86_CPU(cpu_state)->env.ymmh_regs)); - memcpy(&X86_CPU(cpu_state)->env.zmmh_regs, &xsave->data[288], sizeof(X= 86_CPU(cpu_state)->env.zmmh_regs)); - memcpy(&X86_CPU(cpu_state)->env.opmask_regs, &xsave->data[272], sizeof= (X86_CPU(cpu_state)->env.opmask_regs)); - memcpy(&X86_CPU(cpu_state)->env.bnd_regs, &xsave->data[240], sizeof(X8= 6_CPU(cpu_state)->env.bnd_regs)); - memcpy(&X86_CPU(cpu_state)->env.bndcs_regs, &xsave->data[256], sizeof(= X86_CPU(cpu_state)->env.bndcs_regs)); - memcpy(&X86_CPU(cpu_state)->env.hi16_zmm_regs, &xsave->data[416], size= of(X86_CPU(cpu_state)->env.hi16_zmm_regs)); - =20 - =20 - X86_CPU(cpu_state)->env.fpuc =3D (uint16_t)xsave->data[0]; - X86_CPU(cpu_state)->env.fpus =3D (uint16_t)(xsave->data[0] >> 16); - X86_CPU(cpu_state)->env.fpstt =3D (X86_CPU(cpu_state)->env.fpus >> 11)= & 7; - X86_CPU(cpu_state)->env.fpop =3D (uint16_t)(xsave->data[1] >> 16); - =20 - for (x =3D 0; x < 8; ++x) - X86_CPU(cpu_state)->env.fptags[x] =3D - ((((uint16_t)xsave->data[1] >> x) & 1) =3D=3D 0); - =20 - memcpy(&X86_CPU(cpu_state)->env.xmm_regs, &xsave->data[40], sizeof(X86= _CPU(cpu_state)->env.xmm_regs)); - - X86_CPU(cpu_state)->env.mxcsr =3D xsave->data[6]; - X86_CPU(cpu_state)->env.xstate_bv =3D *(uint64_t *)&xsave->data[128]; + x86_cpu_xrstor_all_areas(X86_CPU(cpu_state), xsave); } =20 void hvf_get_segments(CPUState *cpu_state) --=20 2.14.3