From nobody Tue Feb 10 17:46:01 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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 ARC-Seal: i=1; a=rsa-sha256; t=1621316625; cv=none; d=zohomail.com; s=zohoarc; b=g1WTZf8zeopar9ZFqugSEmhIiM8+BEFdxRxamWK8SVhQgUJg3hJx4X0Swx1DklvdmtTxKsuVyOHRFjZf4vP5O6uQjQ5P0jh4a+74Yah4VIUlmV2iM19vnEQ9DTfZfDRD/i14yGhQcYvkrcIm97gNXBTGrTx50COxxUjrI9ERIWI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621316625; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=bCwwniDfTG1rZnrmEjNm3NAale83yCCFDAqoQ9sm3I0=; b=BSsIuq2q97hqkBSH+1hxh/eGxoxt8jwg4hG3JZVA+idkXznXnZqP5Qt+TTWooKpz7G/JPuuDAPqM0fjs3yMaXIAkoEn6NUJApUV+cPzNlM9SircatwxOrimBFZYaK6lnHtbdWK0S4IKUIBzbaOq+a5YE8K0kkekySS1l420wmKo= ARC-Authentication-Results: i=1; mx.zohomail.com; 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621316625967822.6992033417079; Mon, 17 May 2021 22:43:45 -0700 (PDT) Received: from localhost ([::1]:49360 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lisW8-0007FD-Tz for importer@patchew.org; Tue, 18 May 2021 01:43:44 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38360) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lisKV-0006u6-VJ for qemu-devel@nongnu.org; Tue, 18 May 2021 01:31:43 -0400 Received: from mout.kundenserver.de ([217.72.192.75]:49477) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lisKS-0006v4-Qi for qemu-devel@nongnu.org; Tue, 18 May 2021 01:31:43 -0400 Received: from quad ([82.142.31.78]) by mrelayeu.kundenserver.de (mreue106 [212.227.15.183]) with ESMTPSA (Nemesis) id 1MwxRN-1lX7453OZP-00yTwY; Tue, 18 May 2021 07:31:39 +0200 From: Laurent Vivier To: qemu-devel@nongnu.org Subject: [PULL 13/59] linux-user/sparc: Clean up init_thread Date: Tue, 18 May 2021 07:30:45 +0200 Message-Id: <20210518053131.87212-14-laurent@vivier.eu> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210518053131.87212-1-laurent@vivier.eu> References: <20210518053131.87212-1-laurent@vivier.eu> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:A+V8BPEdLq7Ux9hJEFv4mAbW7gmXjpjxN8GRKXhvyvRIViu2WdG vwG4nIf8En+t2iG+i5lmLcG6PGlKKJkBGEnal0RdW7C+xoEaS8lS8y/HkGN5jGzYrQeqMOw eNjKmtQ83AsAWdXjKewTsaVgW7tZu33Q9qRqkOY7WgGeWc/CBr+bnPZbfDvlRyGsVmdN9MM vgPZ159LNgU4ufONy2y7Q== X-UI-Out-Filterresults: notjunk:1;V03:K0:MwvuRD7FbiQ=:y5ymzWnrZHdCjyyQd0/QxQ Gn43F+GKJ2tIG6wD6m1Wou50YbQHtYZkRnnIhBpzXkeQoWdP8unsuUK7UMbdIjRwb3xPFnKly teGXfGbf37nYWsxBAd2HRbVT5V2ilC/1IY5e5FlGAC1w8dckC3EGHLPF7L4Adv+2prqNgmbAx 2S77oubj+Vy2dxwhx2V8TO1woMJyI/SGAw61GgqQPOrfGJYYvkSfytuMNgyGbc3gYu+wUuxgW 8R5vLSJZWlNzlUTYrN0Hf49vAkeyhcm9o25V28C515n2CiZw/TmtyoOmZaMMrsALaCffz2rrD pYqsREXuDnikL99OAk41mhXMlsNxJPO3sXG9PQa1buo9q/Sbdm5y5M0Tr7tXire0G3NRDSzX9 k5e85omxL46qjh83hfMSva3CXsHT4IquG+Ejq5fio6fyeKu573YObmy/IcSsDG3SdtaSjylsf qsovBZ2D3AZq74nXy/zuaVvHDaFVWRjHeIT3TngsZ/CrnDHoqQpQdvF0wXBx+6herUkAgXrGy cUNfdX4mFBud9J2nWleQSI= 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: none client-ip=217.72.192.75; envelope-from=laurent@vivier.eu; helo=mout.kundenserver.de X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Richard Henderson , Laurent Vivier Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" From: Richard Henderson Share code between sparc32 and sparc64, removing a bit of pointless difference wrt psr/tstate. Use sizeof(abi_ulong) for allocating initial register window. Use TARGET_STACK_BIAS. Signed-off-by: Richard Henderson Message-Id: <20210426025334.1168495-7-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier --- linux-user/elfload.c | 33 +++++---------------------------- 1 file changed, 5 insertions(+), 28 deletions(-) diff --git a/linux-user/elfload.c b/linux-user/elfload.c index fc9c4f12be92..ffc03d72f935 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -676,48 +676,25 @@ static uint32_t get_elf_hwcap2(void) =20 #define ELF_CLASS ELFCLASS64 #define ELF_ARCH EM_SPARCV9 - -#define STACK_BIAS 2047 - -static inline void init_thread(struct target_pt_regs *regs, - struct image_info *infop) -{ -#ifndef TARGET_ABI32 - regs->tstate =3D 0; -#endif - regs->pc =3D infop->entry; - regs->npc =3D regs->pc + 4; - regs->y =3D 0; -#ifdef TARGET_ABI32 - regs->u_regs[14] =3D infop->start_stack - 16 * 4; -#else - if (personality(infop->personality) =3D=3D PER_LINUX32) - regs->u_regs[14] =3D infop->start_stack - 16 * 4; - else - regs->u_regs[14] =3D infop->start_stack - 16 * 8 - STACK_BIAS; -#endif -} - #else #define ELF_START_MMAP 0x80000000 #define ELF_HWCAP (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | HWCAP_SPARC_SW= AP \ | HWCAP_SPARC_MULDIV) - #define ELF_CLASS ELFCLASS32 #define ELF_ARCH EM_SPARC +#endif /* TARGET_SPARC64 */ =20 static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop) { - regs->psr =3D 0; + /* Note that target_cpu_copy_regs does not read psr/tstate. */ regs->pc =3D infop->entry; regs->npc =3D regs->pc + 4; regs->y =3D 0; - regs->u_regs[14] =3D infop->start_stack - 16 * 4; + regs->u_regs[14] =3D (infop->start_stack - 16 * sizeof(abi_ulong) + - TARGET_STACK_BIAS); } - -#endif -#endif +#endif /* TARGET_SPARC */ =20 #ifdef TARGET_PPC =20 --=20 2.31.1