From nobody Sat Nov 15 08:35:00 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=1753835102; cv=none; d=zohomail.com; s=zohoarc; b=PTLLSTMqO/eDc9UzjwWUjklWz1yAKmfZILpqFWFPagvUDnyhjMbpNzXLeaApLmuOvMWSScPQhSUIm6VsN0Rs/Im5zRpEkPcJ51E6gXosGACYSVg5R24cgHuoVyNNTHDp4Zd/SyX1hIiozOBVWPDfLBYnyWNsVL1kecYqt2BXUmI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1753835102; h=Content-Transfer-Encoding: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:Cc; bh=692glwQ3dEUiBEVYbOeZXS5dOVnpC03SFQntpFEIvtg=; b=P+fi4rWBv6tTj9b0vA/SecbNxPdr5AHaTeQLTuXdhvsWnro5y8H5tckMDX48KB3KRN5OH0NFvU1zc0L9MilG+kVgfd0OZC5ss95o6BrVHTxdKDpRLG8ACxY/6LjqBg0RMP5/mV4OywYwD5UcQDRVBZHXRZ6xvVXdP9Xg1a+wVwc= 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 1753835102258325.1092637402186; Tue, 29 Jul 2025 17:25:02 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uguV7-0000ol-BQ; Tue, 29 Jul 2025 20:16:57 -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 1uguFa-000242-VA for qemu-devel@nongnu.org; Tue, 29 Jul 2025 20:01:09 -0400 Received: from mail-pf1-x42d.google.com ([2607:f8b0:4864:20::42d]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1uguFY-000463-1v for qemu-devel@nongnu.org; Tue, 29 Jul 2025 20:00:54 -0400 Received: by mail-pf1-x42d.google.com with SMTP id d2e1a72fcca58-74b27c1481bso215416b3a.2 for ; Tue, 29 Jul 2025 17:00:50 -0700 (PDT) Received: from localhost.localdomain (syn-098-150-199-049.res.spectrum.com. [98.150.199.49]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-764090e178bsm9026087b3a.62.2025.07.29.17.00.48 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Jul 2025 17:00:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1753833650; x=1754438450; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=692glwQ3dEUiBEVYbOeZXS5dOVnpC03SFQntpFEIvtg=; b=Z0UFGLrMjm3rahj+u5XWAaoaHlPP7UtcEqsWYmUjsL3IpGxfCmGtobnV2twscXu4qS UI2ScMbqJIIpvAPXE6fCKziB1XDXue2fhurcjX4a4IYCNmMOG+3lb+sjCi4t1QIFcaTT Q/+QjXgD3nbdnoS4eEYDciMDgMiTcSH0s5VIsk5ypOiWkefWbJThSu3+HR8pPnw+dTuI vn/4klZg6e8oDEgbFce+0Byp4OR+VGtmbVl9ENnZOI64uxpLnzXmwMtu2dlk7mqJn/zm QvVPdu2MdBSsGBwQpfPgvcnrbotlHcG+yfl4qxmHdoEhneYqqIKxQJ7S4uPXBmYpBH+i kdiA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1753833650; x=1754438450; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=692glwQ3dEUiBEVYbOeZXS5dOVnpC03SFQntpFEIvtg=; b=BTh7Zu41D+EBR5dOuFT51JqoGXAKxa/DDEfhxFGTv0Tg7D+OTvPYx0sn8RQ3jVLheh gzLJS2HNN7kv3V9azFKdoQgA5aT5g4kJbzjjYOAk9CCPIL2l8MUqWAS8DYexI6VAKRmF z7hgYcWYhlIgNHMd8Y9ra/8u7gnV1tzzFtg7LAvAMp+6ZzYGY1/eHqNJ+yQ9/ov9qVWx VSJ4DbUCmnEZtI+TfFx1tDr/ZcecKydTGGchge9MRt+MvpYdM68EglmTWXashTmotj+5 NV2XP138ogBb/gDC9aLwKgm8VAyZ+XSe0icY0aqJ6pNhTjJKdE4HtwIh1Z8ECB2uv7Z8 Niyw== X-Gm-Message-State: AOJu0YwwQrLClrmrk/JPtEIfxTQvH+cdyk3tWerCemLZ9hOzGisSvNjV ZNIyv+70QDx5467yQ+I4Ps/7iYNmOBOCPwzUN2+yh/PoKJXNiOGtqPevRHFf7NwHOVbKz1ZItU3 cjDqb X-Gm-Gg: ASbGncsozJxB+cdveNuikgHyKAC2lqJBJP7oC3+Eh3go7JOv1SmLfpsbjQGij/SyfDN cXEVzuf19PQ3nStAiStB91IHqOGXBztktGLyTiPGoVo4+ZuPKKY5j/1WrZGa0uneDjhG6QqFRyZ egBZgEbMXKCFIwvGL58XhM9lNWuu0PgXAR/cXvpifUtMX4OGInStprQbTlLLjABWPsuLCIBRJhg Mt7SwLeih49hiVSVDQiC2wkhX+OWph4voQhHUmaHjnK4e2ATO+pWKZBezeSqtU6veWVQW5B0hrS l3otUBp+tvtletJdBl4AtTVEDb/sCUgLQrCVl0mDAaLdjHGBnI1u0OU7kwFqQ0wGTcvM9WOps4y 4plTkYEhiQ3xlrpchXbaJWLnAiox+HVH2+0VCZezFNgI8lq2tS/6RapWd8zTRX1XjAM+JfoI/WH 3jDWQzjlUzzg== X-Google-Smtp-Source: AGHT+IG+NWxPUzrj6CHeHjNPx+KD4W4fPJgp8Wsn9DT2F3LWqVRYswdTMi8s35bM2OO1GGsutphFmA== X-Received: by 2002:a05:6a20:3d0b:b0:231:c295:136d with SMTP id adf61e73a8af0-23dc0d3eba5mr2024211637.14.1753833649548; Tue, 29 Jul 2025 17:00:49 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 28/89] linux-user/loongarch64: Create init_main_thread Date: Tue, 29 Jul 2025 13:59:01 -1000 Message-ID: <20250730000003.599084-29-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250730000003.599084-1-richard.henderson@linaro.org> References: <20250730000003.599084-1-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::42d; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x42d.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: 1753835103374116600 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. Note that init_thread had set crmd in target_pt_regs, but target_cpu_copy_regs did not copy to env. This turns out to be ok because loongarch_cpu_reset_hold initializes CRMD properly. Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- linux-user/elfload.c | 9 +-------- linux-user/loongarch64/cpu_loop.c | 11 ++++------- 2 files changed, 5 insertions(+), 15 deletions(-) diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 00a3f6d33d..4095f7615d 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -539,14 +539,7 @@ static void elf_core_copy_regs(target_elf_gregset_t *r= egs, const CPUPPCState *en =20 #define VDSO_HEADER "vdso.c.inc" =20 -static inline void init_thread(struct target_pt_regs *regs, - struct image_info *infop) -{ - /*Set crmd PG,DA =3D 1,0 */ - regs->csr.crmd =3D 2 << 3; - regs->csr.era =3D infop->entry; - regs->regs[3] =3D infop->start_stack; -} +#define HAVE_INIT_MAIN_THREAD =20 /* See linux kernel: arch/loongarch/include/asm/elf.h */ #define ELF_NREG 45 diff --git a/linux-user/loongarch64/cpu_loop.c b/linux-user/loongarch64/cpu= _loop.c index ec8a06c88c..a0a4cbb7cc 100644 --- a/linux-user/loongarch64/cpu_loop.c +++ b/linux-user/loongarch64/cpu_loop.c @@ -120,13 +120,10 @@ void cpu_loop(CPULoongArchState *env) } } =20 -void target_cpu_copy_regs(CPUArchState *env, target_pt_regs *regs) +void init_main_thread(CPUState *cs, struct image_info *info) { - int i; - - for (i =3D 0; i < 32; i++) { - env->gpr[i] =3D regs->regs[i]; - } - env->pc =3D regs->csr.era; + CPUArchState *env =3D cpu_env(cs); =20 + env->pc =3D info->entry; + env->gpr[3] =3D info->start_stack; } --=20 2.43.0