{"id":2219008,"url":"http://patchwork.ozlabs.org/api/patches/2219008/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260402095132.29245-2-thuth@redhat.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260402095132.29245-2-thuth@redhat.com>","list_archive_url":null,"date":"2026-04-02T09:51:23","name":"[01/10] target/i386/tcg/sysemu: Move target specific SMM code to separate functions","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"17d8971fde056814594b16fbe3fd3312716277ff","submitter":{"id":66152,"url":"http://patchwork.ozlabs.org/api/people/66152/?format=json","name":"Thomas Huth","email":"thuth@redhat.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260402095132.29245-2-thuth@redhat.com/mbox/","series":[{"id":498459,"url":"http://patchwork.ozlabs.org/api/series/498459/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=498459","date":"2026-04-02T09:51:22","name":"Deprecate the qemu-system-i386 binary","version":1,"mbox":"http://patchwork.ozlabs.org/series/498459/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2219008/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2219008/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=BiPIvhiT;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists.gnu.org (lists.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fmccT2tqmz1yGH\n\tfor ; Thu, 02 Apr 2026 20:53:29 +1100 (AEDT)","from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from )\n\tid 1w8EiP-0006u8-IW; Thu, 02 Apr 2026 05:51:53 -0400","from eggs.gnu.org ([2001:470:142:3::10])\n by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from ) id 1w8EiO-0006sm-9o\n for qemu-devel@nongnu.org; Thu, 02 Apr 2026 05:51:52 -0400","from us-smtp-delivery-124.mimecast.com ([170.10.133.124])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from ) id 1w8EiM-0008QG-9X\n for qemu-devel@nongnu.org; Thu, 02 Apr 2026 05:51:52 -0400","from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com\n (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by\n relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3,\n cipher=TLS_AES_256_GCM_SHA384) id us-mta-322-NVRJ0cGjMjqJTSZzuaJv-Q-1; Thu,\n 02 Apr 2026 05:51:46 -0400","from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com\n (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17])\n (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest\n SHA256)\n (No client certificate requested)\n by mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS\n id BE15A180044D; Thu, 2 Apr 2026 09:51:44 +0000 (UTC)","from thuth-p1g4.redhat.com (unknown [10.44.34.44])\n by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP\n id 63C391978D41; Thu, 2 Apr 2026 09:51:40 +0000 (UTC)"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n s=mimecast20190719; t=1775123509;\n h=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n to:to:cc:cc:mime-version:mime-version:\n content-transfer-encoding:content-transfer-encoding:\n in-reply-to:in-reply-to:references:references;\n bh=U2SkktuFniNpBHFMckJQz4idYM3YsD8QVsvB/+MsLBM=;\n b=BiPIvhiTDAyy8+l5Nh4w6ZsvXcKJivX9voraPVvdAyL6B5hBeceh4P1KZCC5wAd9H6UGpx\n nzXAJ30qGskh9+mQS5nyRjtMs3275BNXk/3ep9Ia/7Uc81vATirBkKZiBiTlh4XMhivlR2\n 6ONdnIXcFOcX1i/9ZEz+dHASwFAa+W4=","X-MC-Unique":"NVRJ0cGjMjqJTSZzuaJv-Q-1","X-Mimecast-MFC-AGG-ID":"NVRJ0cGjMjqJTSZzuaJv-Q_1775123505","From":"Thomas Huth ","To":"Paolo Bonzini ,\n\tqemu-devel@nongnu.org","Cc":"Pierrick Bouvier ,\n \"Michael S. Tsirkin\" ,\n Richard Henderson , =?utf-8?q?Philippe_Mathie?=\n\t=?utf-8?q?u-Daud=C3=A9?= , Zhao Liu ,\n Thomas Huth ","Subject":"[PATCH 01/10] target/i386/tcg/sysemu: Move target specific SMM code\n to separate functions","Date":"Thu, 2 Apr 2026 11:51:23 +0200","Message-ID":"<20260402095132.29245-2-thuth@redhat.com>","In-Reply-To":"<20260402095132.29245-1-thuth@redhat.com>","References":"<20260402095132.29245-1-thuth@redhat.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-Scanned-By":"MIMEDefang 3.0 on 10.30.177.17","Received-SPF":"pass client-ip=170.10.133.124; envelope-from=thuth@redhat.com;\n helo=us-smtp-delivery-124.mimecast.com","X-Spam_score_int":"-6","X-Spam_score":"-0.7","X-Spam_bar":"/","X-Spam_report":"(-0.7 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.54,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.01,\n RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=1, RCVD_IN_VALIDITY_RPBL_BLOCKED=1,\n SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no","X-Spam_action":"no action","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"From: Thomas Huth \n\nThis code movement will make the next patch easier to read.\n\nSigned-off-by: Thomas Huth \n---\n target/i386/tcg/system/smm_helper.c | 47 ++++++++++++++++++-----------\n 1 file changed, 30 insertions(+), 17 deletions(-)","diff":"diff --git a/target/i386/tcg/system/smm_helper.c b/target/i386/tcg/system/smm_helper.c\nindex fb028a8272f..3be78cd53d3 100644\n--- a/target/i386/tcg/system/smm_helper.c\n+++ b/target/i386/tcg/system/smm_helper.c\n@@ -32,26 +32,13 @@\n #define SMM_REVISION_ID 0x00020000\n #endif\n \n-void do_smm_enter(X86CPU *cpu)\n+static void sm_state_init(X86CPU *cpu)\n {\n CPUX86State *env = &cpu->env;\n CPUState *cs = CPU(cpu);\n- target_ulong sm_state;\n SegmentCache *dt;\n int i, offset;\n-\n- qemu_log_mask(CPU_LOG_INT, \"SMM: enter\\n\");\n- log_cpu_state_mask(CPU_LOG_INT, CPU(cpu), CPU_DUMP_CCOP);\n-\n- env->msr_smi_count++;\n- env->hflags |= HF_SMM_MASK;\n- if (env->hflags2 & HF2_NMI_MASK) {\n- env->hflags2 |= HF2_SMM_INSIDE_NMI_MASK;\n- } else {\n- env->hflags2 |= HF2_NMI_MASK;\n- }\n-\n- sm_state = env->smbase + 0x8000;\n+ target_ulong sm_state = env->smbase + 0x8000;\n \n #ifdef TARGET_X86_64\n for (i = 0; i < 6; i++) {\n@@ -156,6 +143,25 @@ void do_smm_enter(X86CPU *cpu)\n x86_stl_phys(cs, sm_state + 0x7efc, SMM_REVISION_ID);\n x86_stl_phys(cs, sm_state + 0x7ef8, env->smbase);\n #endif\n+}\n+\n+void do_smm_enter(X86CPU *cpu)\n+{\n+ CPUX86State *env = &cpu->env;\n+\n+ qemu_log_mask(CPU_LOG_INT, \"SMM: enter\\n\");\n+ log_cpu_state_mask(CPU_LOG_INT, CPU(cpu), CPU_DUMP_CCOP);\n+\n+ env->msr_smi_count++;\n+ env->hflags |= HF_SMM_MASK;\n+ if (env->hflags2 & HF2_NMI_MASK) {\n+ env->hflags2 |= HF2_SMM_INSIDE_NMI_MASK;\n+ } else {\n+ env->hflags2 |= HF2_NMI_MASK;\n+ }\n+\n+ sm_state_init(cpu);\n+\n /* init SMM cpu state */\n \n #ifdef TARGET_X86_64\n@@ -191,9 +197,8 @@ void do_smm_enter(X86CPU *cpu)\n DESC_G_MASK | DESC_A_MASK);\n }\n \n-void helper_rsm(CPUX86State *env)\n+static void rsm_load_regs(CPUX86State *env)\n {\n- X86CPU *cpu = env_archcpu(env);\n CPUState *cs = env_cpu(env);\n target_ulong sm_state;\n int i, offset;\n@@ -308,6 +313,14 @@ void helper_rsm(CPUX86State *env)\n env->smbase = x86_ldl_phys(cs, sm_state + 0x7ef8);\n }\n #endif\n+}\n+\n+void helper_rsm(CPUX86State *env)\n+{\n+ X86CPU *cpu = env_archcpu(env);\n+\n+ rsm_load_regs(env);\n+\n if ((env->hflags2 & HF2_SMM_INSIDE_NMI_MASK) == 0) {\n env->hflags2 &= ~HF2_NMI_MASK;\n }\n","prefixes":["01/10"]}