From nobody Sun Sep 28 16:33:57 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1756336960; cv=none; d=zohomail.com; s=zohoarc; b=J8ElFPc7QFUvhKDGXWr25k9R7ThtmTrMXO2v12y/eVVAXW9Ro/FLRHj9TepFdamPF/oh8Bi8dbi0sU7lKyG7xL4B8S/+M5yanT8PGWk/pA9wclJ/+/Kvm8/lig5r4c2uxlVJsxoda0OnYd4GXxYJhgpx5vC6UAe1U10w/SSQuSQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1756336960; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=RixljIz+HOjrys5KmnaZU9bK0ysdxVWlZPGtRGwn11E=; b=IGyrxcFJljk3UZ41+WyPPcMB0ijY95p5BSdC93MtQq6F0JoVdCmxRgJcJlMDCZM21wB2/rpeeMLWujQnqXTh9CADq4awUaY+GpxjAMxExYc8OZtn4mwowbpZ24W76SgZup2rL1Yf0O1KFdi16flO1UlZUSaxm2RU39bZeYrW1lE= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1756336960378812.4971429301283; Wed, 27 Aug 2025 16:22:40 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1urPT9-0004wk-Oi; Wed, 27 Aug 2025 19:22:19 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1urPSr-0004MS-A4 for qemu-devel@nongnu.org; Wed, 27 Aug 2025 19:22:02 -0400 Received: from mail-pj1-x1031.google.com ([2607:f8b0:4864:20::1031]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1urPSm-0004Jc-0k for qemu-devel@nongnu.org; Wed, 27 Aug 2025 19:22:00 -0400 Received: by mail-pj1-x1031.google.com with SMTP id 98e67ed59e1d1-32326e5f058so331597a91.3 for ; Wed, 27 Aug 2025 16:21:55 -0700 (PDT) Received: from stoup.. ([144.6.121.55]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7703ffebd33sm13986886b3a.29.2025.08.27.16.21.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Aug 2025 16:21:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1756336913; x=1756941713; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=RixljIz+HOjrys5KmnaZU9bK0ysdxVWlZPGtRGwn11E=; b=dhL7J5jmzSUiu7S1iunupXxAOovBud9sufzjOrt9ewvtluOnzi54IypxJXzw5ppOOi LgiqHPYwVTPof5EP+UUIfhEiGNgcvRsy36vb28i94Dn5jsWhhkJa10V9J2vjV/M9rxTB Cgnb+ntgRECTvNHbHFu/I/ademFhiBqKE8vDJmxnL1PUAoB3CuZTJasKxplFd0XNxJJz K+52dWVDhTpnFIzzUSOYPTQlqVIiupoDvwP1J5VQV6CAg2QVY9ttAu6Ol66dfCMlWNu8 mbC8n7bXadj30dWztcFahsv/lKmoin+n56BdcWYX1bUMfP1H+0LrMhjx9Z2cYR5oD5Kn UNvg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756336913; x=1756941713; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=RixljIz+HOjrys5KmnaZU9bK0ysdxVWlZPGtRGwn11E=; b=sE359zzDVhbXnUwmfNAqdSU6Np/F4k1uBotYaqHuKKo5iql63KeIupOo2DX/LmX0oO ktOXQ8NdQMsaB4fCVM9J2Q8JJa72Za6f6n76eYH5ACwKJWVSBpKpwxqMDZ7pD/h4gSVv NM/0pXZMt99Wbw1RurEVdFNyfLSoSz36WuTvSrBFaZOY0RyPfeXtxzYAfi5JMbeGmbiI Z890V7UW0L6xPQKmLhNHOiKLV5CfkWOqZxXNT8J6YoMgEC3TMftrzOMFHYuBKpUlsClJ 8Tg4djg0iM8mYL+/DXKaf+puY+5hcY2xsMRmamcGMy5/HBHKrbi7dsxAJpLDEfAj1unr tCKQ== X-Gm-Message-State: AOJu0YxXvNAqEUTYYjN7qEsBo8cwRoUue6qy/somDED6qFDHcg35o93Q mmPExD8+EPRQ91TC/+x9xv7+NtbjYbWp28djN9ro1ciyXLiEPxs0tDSDd+lqsazn05zz2uiqiAs B1QRHhCg= X-Gm-Gg: ASbGncvGqO8tuMj1/gByQgm3db5J1AGnrwdiQtH/j8roNwkQdI9eO8JQ0n4Gk22JgyO vHe/xtsfvDYc1v6z+vSRW+h9loPLql3c2hW5tsSwBe/wu2HHGOv0Wdy0uTAlqOIPWvNfQHP2h/f v8cSpQCr1pB4fFbmfG8OfJsb6WAP8Puz67S29ENwk+8jYXq0uWYsQmy7cUwMrxJCBvKJnR/hfXF qdiLHtsJIEqS+BAh5cnuptbQlYk1JrcbdXqsTeobO8kcpVQ4zRUfjTHaYzxxi13xBTLXc8GImvF 33DOsygbeLkoEPvi57bzXsqeEyhhvsZkdxcmjYZsGXO45ErQZ/lG0xaTSS5YRQWvEW9RKyXrNfV 7JTi1n4MwBUqHB8O0F/sC96YIzXIaAUrzd02w X-Google-Smtp-Source: AGHT+IGRCrZrd/2R/25PwgIBqGnvuwZgE16LKsLb4qbiz86kYYPu1Po0rcKCQPlKLc2kiY+KtTtJUA== X-Received: by 2002:a17:90b:2790:b0:325:46e4:b171 with SMTP id 98e67ed59e1d1-32546e4b308mr23795471a91.6.1756336912675; Wed, 27 Aug 2025 16:21:52 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: Peter Maydell Subject: [PULL 29/46] linux-user/aarch64: Create init_main_thread Date: Thu, 28 Aug 2025 09:20:06 +1000 Message-ID: <20250827232023.50398-30-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250827232023.50398-1-richard.henderson@linaro.org> References: <20250827232023.50398-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::1031; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1031.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1756336962800124100 Content-Type: text/plain; charset="utf-8" Merge init_thread and target_cpu_copy_regs. There's no point going through a target_pt_regs intermediate. Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- linux-user/aarch64/cpu_loop.c | 14 ++++++-------- linux-user/elfload.c | 10 +--------- 2 files changed, 7 insertions(+), 17 deletions(-) diff --git a/linux-user/aarch64/cpu_loop.c b/linux-user/aarch64/cpu_loop.c index 030a630c93..4c4921152e 100644 --- a/linux-user/aarch64/cpu_loop.c +++ b/linux-user/aarch64/cpu_loop.c @@ -137,10 +137,10 @@ void cpu_loop(CPUARMState *env) } } =20 -void target_cpu_copy_regs(CPUArchState *env, target_pt_regs *regs) +void init_main_thread(CPUState *cs, struct image_info *info) { + CPUARMState *env =3D cpu_env(cs); ARMCPU *cpu =3D env_archcpu(env); - int i; =20 if (!(arm_feature(env, ARM_FEATURE_AARCH64))) { fprintf(stderr, @@ -148,14 +148,12 @@ void target_cpu_copy_regs(CPUArchState *env, target_p= t_regs *regs) exit(EXIT_FAILURE); } =20 - for (i =3D 0; i < 31; i++) { - env->xregs[i] =3D regs->regs[i]; - } - env->pc =3D regs->pc; - env->xregs[31] =3D regs->sp; + env->pc =3D info->entry & ~0x3ULL; + env->xregs[31] =3D info->start_stack; + #if TARGET_BIG_ENDIAN env->cp15.sctlr_el[1] |=3D SCTLR_E0E; - for (i =3D 1; i < 4; ++i) { + for (int i =3D 1; i < 4; ++i) { env->cp15.sctlr_el[i] |=3D SCTLR_EE; } arm_rebuild_hflags(env); diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 9586873954..f93afbdcea 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -395,15 +395,7 @@ static const VdsoImageInfo *vdso_image_info(uint32_t e= lf_flags) #define ELF_ARCH EM_AARCH64 #define ELF_CLASS ELFCLASS64 =20 -static inline void init_thread(struct target_pt_regs *regs, - struct image_info *infop) -{ - abi_long stack =3D infop->start_stack; - memset(regs, 0, sizeof(*regs)); - - regs->pc =3D infop->entry & ~0x3ULL; - regs->sp =3D stack; -} +#define HAVE_INIT_MAIN_THREAD =20 #define ELF_NREG 34 typedef target_elf_greg_t target_elf_gregset_t[ELF_NREG]; --=20 2.43.0