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[98.150.199.49]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-764090e178bsm9026087b3a.62.2025.07.29.17.00.43 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Jul 2025 17:00:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1753833645; x=1754438445; 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=hQ1MYaLkxKnpaVxmxRBfo1krfJS0j3tvMJ/7oAKawiE=; b=ZlX61rqmKHV+tts3a7vyViOb29x4tuTtmJkC7uGq9OMirbAPnx5LZHLSMcFIAQtnvy 9dTv4o7T2215xP7REWH1UW1cCtL5gzEReYgbMkI5vXiKEytVXGcT5J8BoQtkA5O/pm04 8aIyuRlGmzlcJ3Q2qmBVpYJPspkp55PaWKZZ6OIYJpIer7sQX8viF3nNYjKp0diDIgVe D6dFh5icawL/1PtfszYrv9ggv9bcuhECLLUcSxBASftIg5+EpRsLVax5THAPYxtUi3bX I+KuZ4GsIPw1khcudplcAcYqyzbB1wQqeJBJN2WOmuNaP+XcA3/IT4oPoVWCC46LpME8 Cs5w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1753833646; x=1754438446; 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=hQ1MYaLkxKnpaVxmxRBfo1krfJS0j3tvMJ/7oAKawiE=; b=j3YKnZNSaOjkR2MyAjqKkF6zJ4/ugWdUVF0uek1wBV4C3Wk/IGNiTxtqL5XzpXFaCV 6F0y7LYWR7LJsLiFNZ0za1B18RcbSd88F8afErNiPV6cnGLeVDMNiefam/dWOqxdt6/e Trt6NtQdtgJwSBBz1gXk2mo+OIxupHN3o7a8cfjyH3WYL1/TwrCFqwUKoJyH0U2MwKLe 06t7tERCXHDa4KFnHA1ZlwhaGeikyi6+LIpvNO0fxZrpvCfnaUUzJ1zTGqOsaSywQIgY Z3uRfZMCcPy4qtAAuoDMwd88fhTy/YUi+ppWLNL28JXuZr9zGnNLHheEbjpg7x9uX2Ya UCoA== X-Gm-Message-State: AOJu0YxelGhlWbv0lih5QuqyJW6WkL46WDdJ+a9W3QdtigPQJyhMrJcb 1IxJtppoz4VwzlTqUba1VJQAZV4bIy97hyBkfkOaeEnfEU0C+4wepeHI0G6hfaMVtb0jTSgDOhi EyASj X-Gm-Gg: ASbGncu/FqQHflRRZ5iQXRnbg9wLMQ121ZUP90vD5wcPGkMWAgCnPpDv0yVm2LHI4cU U3me5BUYKDUJjynWnOxnDVrvy9Z474rWatofyllrJ8A7GoaLskBnXoqHnNEBc+T0nKMXsKcacRG JtLJyU766ZohDCndb61ejbt70YhnNHfrIYa5gpeHdG03vq9tVACN4OVeH7UkIRfcO+/G4zlGMRQ h4zhPeVE5DjlI9KtEXr6NcB6PqQGB2RM99JyYEmD5j3epAUyXK6eqSxT4nb37qqEr9g/Kp3GTQh cKSYjyLFxjagkCRXyJ+v7ovrArdAMwhh0TFk+nt98e6r7dTDAjxn1xTffpg3S1DnNSE9+deXdoR hpMipdDAFUNGvobn0A8IeVhm+Q/0sqQFNpaqwlkc7ExMDXDg73bwL4H8FDrNXbWMGNsp8yKFV9l HQOIpbQfErqg== X-Google-Smtp-Source: AGHT+IF553ztk568SX07F6B+uh6Kx1QIiodwfW2YcYk3Oa6aZze0l0108mJmFsCoPv6gTqzyj9jUJg== X-Received: by 2002:a05:6a00:9290:b0:73b:ac3d:9d6b with SMTP id d2e1a72fcca58-76ab68551e6mr1881821b3a.4.1753833644539; Tue, 29 Jul 2025 17:00:44 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 25/89] linux-user/aarch64: Create init_main_thread Date: Tue, 29 Jul 2025 13:58:58 -1000 Message-ID: <20250730000003.599084-26-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::436; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x436.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: 1753835077051116600 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. Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- 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 a9a1d7222a..0fe15eab72 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -401,15 +401,7 @@ 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