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GET /api/1.2/patches/742448/?format=api
{ "id": 742448, "url": "http://patchwork.ozlabs.org/api/1.2/patches/742448/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/1490243163-19566-6-git-send-email-paulus@ozlabs.org/", "project": { "id": 2, "url": "http://patchwork.ozlabs.org/api/1.2/projects/2/?format=api", "name": "Linux PPC development", "link_name": "linuxppc-dev", "list_id": "linuxppc-dev.lists.ozlabs.org", "list_email": "linuxppc-dev@lists.ozlabs.org", "web_url": "https://github.com/linuxppc/wiki/wiki", "scm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git", "webscm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/", "list_archive_url_format": "https://lore.kernel.org/linuxppc-dev/{}/", "commit_url_format": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}" }, "msgid": "<1490243163-19566-6-git-send-email-paulus@ozlabs.org>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/1490243163-19566-6-git-send-email-paulus@ozlabs.org/", "date": "2017-03-23T04:26:03", "name": "[5/5] KVM: PPC: Add MMIO emulation for remaining floating-point instructions", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "f955d905cb4c74b57d3976ee3e9cf2ce9ac0c699", "submitter": { "id": 67079, "url": "http://patchwork.ozlabs.org/api/1.2/people/67079/?format=api", "name": "Paul Mackerras", "email": "paulus@ozlabs.org" }, "delegate": { "id": 13, "url": "http://patchwork.ozlabs.org/api/1.2/users/13/?format=api", "username": "paulus", "first_name": "Paul", "last_name": "Mackerras", "email": "paulus@samba.org" }, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/1490243163-19566-6-git-send-email-paulus@ozlabs.org/mbox/", "series": [], "comments": "http://patchwork.ozlabs.org/api/patches/742448/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/742448/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org>", "X-Original-To": [ "patchwork-incoming@ozlabs.org", "linuxppc-dev@lists.ozlabs.org" ], "Delivered-To": [ "patchwork-incoming@ozlabs.org", "linuxppc-dev@lists.ozlabs.org", "linuxppc-dev@ozlabs.org" ], "Received": [ "from lists.ozlabs.org (lists.ozlabs.org [103.22.144.68])\n\t(using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3vpYZP5jlnz9s7f\n\tfor <patchwork-incoming@ozlabs.org>;\n\tThu, 23 Mar 2017 15:33:01 +1100 (AEDT)", "from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 3vpYZP4DrHzDr3Q\n\tfor <patchwork-incoming@ozlabs.org>;\n\tThu, 23 Mar 2017 15:33:01 +1100 (AEDT)", "from ozlabs.org (ozlabs.org [IPv6:2401:3900:2:1::2])\n\t(using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby lists.ozlabs.org (Postfix) with ESMTPS id 3vpYQZ6vmNzDq8x\n\tfor <linuxppc-dev@lists.ozlabs.org>;\n\tThu, 23 Mar 2017 15:26:14 +1100 (AEDT)", "by ozlabs.org (Postfix)\n\tid 3vpYQZ5zd5z9s8D; Thu, 23 Mar 2017 15:26:14 +1100 (AEDT)", "from authenticated.ozlabs.org (localhost [127.0.0.1])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPSA id 3vpYQZ5WF7z9s84;\n\tThu, 23 Mar 2017 15:26:14 +1100 (AEDT)" ], "From": "Paul Mackerras <paulus@ozlabs.org>", "To": "kvm@vger.kernel.org,\n\tlinuxppc-dev@ozlabs.org,\n\tkvm-ppc@vger.kernel.org", "Subject": "[PATCH 5/5] KVM: PPC: Add MMIO emulation for remaining\n\tfloating-point instructions", "Date": "Thu, 23 Mar 2017 15:26:03 +1100", "Message-Id": "<1490243163-19566-6-git-send-email-paulus@ozlabs.org>", "X-Mailer": "git-send-email 2.7.4", "In-Reply-To": "<1490243163-19566-1-git-send-email-paulus@ozlabs.org>", "References": "<1490243163-19566-1-git-send-email-paulus@ozlabs.org>", "X-BeenThere": "linuxppc-dev@lists.ozlabs.org", "X-Mailman-Version": "2.1.23", "Precedence": "list", "List-Id": "Linux on PowerPC Developers Mail List\n\t<linuxppc-dev.lists.ozlabs.org>", "List-Unsubscribe": "<https://lists.ozlabs.org/options/linuxppc-dev>,\n\t<mailto:linuxppc-dev-request@lists.ozlabs.org?subject=unsubscribe>", "List-Archive": "<http://lists.ozlabs.org/pipermail/linuxppc-dev/>", "List-Post": "<mailto:linuxppc-dev@lists.ozlabs.org>", "List-Help": "<mailto:linuxppc-dev-request@lists.ozlabs.org?subject=help>", "List-Subscribe": "<https://lists.ozlabs.org/listinfo/linuxppc-dev>,\n\t<mailto:linuxppc-dev-request@lists.ozlabs.org?subject=subscribe>", "Errors-To": "linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org", "Sender": "\"Linuxppc-dev\"\n\t<linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org>" }, "content": "For completeness, this adds emulation of the lfiwax and lfiwzx\ninstructions. With this, all floating-point load and store instructions\nas of Power ISA V2.07 are emulated.\n\nSigned-off-by: Paul Mackerras <paulus@ozlabs.org>\n---\n arch/powerpc/include/asm/ppc-opcode.h | 2 ++\n arch/powerpc/kvm/emulate_loadstore.c | 14 ++++++++++++++\n 2 files changed, 16 insertions(+)", "diff": "diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h\nindex 738bac1..73f06f4 100644\n--- a/arch/powerpc/include/asm/ppc-opcode.h\n+++ b/arch/powerpc/include/asm/ppc-opcode.h\n@@ -122,6 +122,8 @@\n #define OP_31_XOP_STFDX 727\n #define OP_31_XOP_STFDUX 759\n #define OP_31_XOP_LHBRX 790\n+#define OP_31_XOP_LFIWAX 855\n+#define OP_31_XOP_LFIWZX 887\n #define OP_31_XOP_STHBRX 918\n #define OP_31_XOP_STFIWX 983\n \ndiff --git a/arch/powerpc/kvm/emulate_loadstore.c b/arch/powerpc/kvm/emulate_loadstore.c\nindex f10ba0c..af83353 100644\n--- a/arch/powerpc/kvm/emulate_loadstore.c\n+++ b/arch/powerpc/kvm/emulate_loadstore.c\n@@ -270,6 +270,20 @@ int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu)\n \t\t\tkvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);\n \t\t\tbreak;\n \n+\t\tcase OP_31_XOP_LFIWAX:\n+\t\t\tif (kvmppc_check_fp_disabled(vcpu))\n+\t\t\t\treturn EMULATE_DONE;\n+\t\t\temulated = kvmppc_handle_loads(run, vcpu,\n+\t\t\t\tKVM_MMIO_REG_FPR|rt, 4, 1);\n+\t\t\tbreak;\n+\n+\t\tcase OP_31_XOP_LFIWZX:\n+\t\t\tif (kvmppc_check_fp_disabled(vcpu))\n+\t\t\t\treturn EMULATE_DONE;\n+\t\t\temulated = kvmppc_handle_load(run, vcpu,\n+\t\t\t\tKVM_MMIO_REG_FPR|rt, 4, 1);\n+\t\t\tbreak;\n+\n \t\tcase OP_31_XOP_STFSX:\n \t\t\tif (kvmppc_check_fp_disabled(vcpu))\n \t\t\t\treturn EMULATE_DONE;\n", "prefixes": [ "5/5" ] }