From patchwork Wed Aug 3 10:30:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jiaxun Yang X-Patchwork-Id: 12935386 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8D2D5C19F28 for ; Wed, 3 Aug 2022 10:33:33 +0000 (UTC) Received: from localhost ([::1]:34674 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oJBgy-00031x-K2 for qemu-devel@archiver.kernel.org; Wed, 03 Aug 2022 06:33:32 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39098) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oJBdx-00015k-7b for qemu-devel@nongnu.org; Wed, 03 Aug 2022 06:30:26 -0400 Received: from out3-smtp.messagingengine.com ([66.111.4.27]:55009) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oJBdv-0003mv-2k for qemu-devel@nongnu.org; Wed, 03 Aug 2022 06:30:24 -0400 Received: from compute2.internal (compute2.nyi.internal [10.202.2.46]) by mailout.nyi.internal (Postfix) with ESMTP id 967B85C0132; Wed, 3 Aug 2022 06:30:20 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute2.internal (MEProxy); Wed, 03 Aug 2022 06:30:20 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=flygoat.com; h= cc:cc:content-transfer-encoding:content-type:date:date:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:sender:subject:subject:to:to; s=fm1; t=1659522620; x= 1659609020; bh=2K2RMhw9HLZkI8QTb/8BjZzlwMTyPkvKbC2iSS9RVLM=; b=E P4HWGWHDjzXtUylUz8SrbJypBbrOpFYi73OPzdsExFd7KTHNP03moiAKjBON138d YGdHCTLKXX9tMr/Xx1AVPfCIWxbyYTLm12Cdc6/2BYMLynDGhel/YWJkIE1aPT/5 IrQQayW9qAUgl2lllvZdYkG6mGDeNjJ7O2Yi34LHol6eOY5rEK+XJ6m2NUbUFBwP gMo8Qn8MJptq5VU0L7dXXq6ACVDniG0QTxQl7o1xZQ6aPGcAR0CtD6SKccDC2qg6 RXkCdgrsgcwiZxq3x0hJ2nynIyeBFIXViyLjElk5hVVyKZhnRix21+tBcF0+PHOi PBuiz0KaJBTSN7r1nKp7Q== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:date:date:feedback-id:feedback-id:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:sender:subject:subject:to:to:x-me-proxy:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm3; t=1659522620; x= 1659609020; bh=2K2RMhw9HLZkI8QTb/8BjZzlwMTyPkvKbC2iSS9RVLM=; b=Z 4pXCtl34VKgFY8oCLqPzOwE6LJg+VmMwcsdrx118bB5l7wM3ly4GPmgwu45ZwrJT W/44KSfSXlhKZd9Q3lwrPYqQX67S5ciSS1fPSXPcNXvviUGxbPjgmi5ZnZjjG3X7 8NqeNz+9PrxuU8b7MixDZi7EEgwgFx5TYbRZgGq88mCc1EYy2TZo5ZfVY9IGENmm Vn/ayCs2hXm5/0u5UkmimB+FHsCkI7p3N6JMO4DArjPJc2dpnKe21ygk2ZA+lFwa Iv0mb5CgK3Lnf0A661njqDuAgvNOH/sl2Uq4MWk8kh/TmIrOjDEyIf558yX6i3Bx mrCsyvH6bSwPAC6/N0piQ== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvfedrvddvjedgvdelucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefhvfevufffkffojghfgggtgfesth ekredtredtjeenucfhrhhomheplfhirgiguhhnucgjrghnghcuoehjihgrgihunhdrhigr nhhgsehflhihghhorghtrdgtohhmqeenucggtffrrghtthgvrhhnpeevfedtffekjeefff ejtdduvddujeefvdejleeutdeufefffedtueevvdduveejffenucevlhhushhtvghrufhi iigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpehjihgrgihunhdrhigrnhhgsehflh ihghhorghtrdgtohhm X-ME-Proxy: Feedback-ID: ifd894703:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Wed, 3 Aug 2022 06:30:19 -0400 (EDT) From: Jiaxun Yang To: laurent@vivier.eu Cc: f4bug@amsat.org, qemu-devel@nongnu.org, Jiaxun Yang Subject: [PATCH v2 2/2] linux-user: Set ELF_BASE_PLATFORM for MIPS Date: Wed, 3 Aug 2022 11:30:09 +0100 Message-Id: <20220803103009.95972-3-jiaxun.yang@flygoat.com> X-Mailer: git-send-email 2.32.1 (Apple Git-133) In-Reply-To: <20220803103009.95972-1-jiaxun.yang@flygoat.com> References: <20220803103009.95972-1-jiaxun.yang@flygoat.com> MIME-Version: 1.0 Received-SPF: pass client-ip=66.111.4.27; envelope-from=jiaxun.yang@flygoat.com; helo=out3-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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_LOW=-0.7, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Match most appropriate base platform string based on insn_flags. Logic is aligned with aligned with set_isa() from arch/mips/kernel/cpu-probe.c in Linux kernel. Signed-off-by: Jiaxun Yang Reviewed-by: Philippe Mathieu-Daudé --- linux-user/elfload.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/linux-user/elfload.c b/linux-user/elfload.c index e7666c5c60..8a4ac9787f 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -1050,6 +1050,37 @@ static uint32_t get_elf_hwcap(void) #define elf_check_abi(x) (!((x) & EF_MIPS_ABI2)) #endif +#define ELF_BASE_PLATFORM get_elf_base_platform() + +#define MATCH_PLATFORM_INSN(_flags, _base_platform) \ + do { if ((cpu->env.insn_flags & (_flags)) == _flags) \ + { return _base_platform; } } while (0) + +static const char *get_elf_base_platform(void) +{ + MIPSCPU *cpu = MIPS_CPU(thread_cpu); + + /* 64 bit ISAs goes first */ + MATCH_PLATFORM_INSN(CPU_MIPS64R6, "mips64r6"); + MATCH_PLATFORM_INSN(CPU_MIPS64R5, "mips64r5"); + MATCH_PLATFORM_INSN(CPU_MIPS64R2, "mips64r2"); + MATCH_PLATFORM_INSN(CPU_MIPS64R1, "mips64"); + MATCH_PLATFORM_INSN(CPU_MIPS5, "mips5"); + MATCH_PLATFORM_INSN(CPU_MIPS4, "mips4"); + MATCH_PLATFORM_INSN(CPU_MIPS3, "mips3"); + + /* 32 bit ISAs */ + MATCH_PLATFORM_INSN(CPU_MIPS32R6, "mips32r6"); + MATCH_PLATFORM_INSN(CPU_MIPS32R5, "mips32r5"); + MATCH_PLATFORM_INSN(CPU_MIPS32R2, "mips32r2"); + MATCH_PLATFORM_INSN(CPU_MIPS32R1, "mips32"); + MATCH_PLATFORM_INSN(CPU_MIPS2, "mips2"); + + /* Fallback */ + return "mips"; +} +#undef MATCH_PLATFORM_INSN + static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop) {