From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E9EEDC07E96 for ; Thu, 8 Jul 2021 10:11:33 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id AADFA61451 for ; Thu, 8 Jul 2021 10:11:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AADFA61451 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=vivier.eu Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:55744 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m1R0G-00038T-OP for qemu-devel@archiver.kernel.org; Thu, 08 Jul 2021 06:11:32 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:33118) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m1Qww-0004op-SK for qemu-devel@nongnu.org; Thu, 08 Jul 2021 06:08:08 -0400 Received: from mout.kundenserver.de ([212.227.126.133]:59689) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m1Qwr-0001FR-Ns for qemu-devel@nongnu.org; Thu, 08 Jul 2021 06:08:06 -0400 Received: from quad ([82.142.13.34]) by mrelayeu.kundenserver.de (mreue010 [212.227.15.167]) with ESMTPSA (Nemesis) id 1MD9nd-1lswcZ3PSD-009BEo; Thu, 08 Jul 2021 12:07:58 +0200 From: Laurent Vivier To: qemu-devel@nongnu.org Subject: [PULL 1/8] linux-user/elfload: Implement ELF_HWCAP for RISC-V Date: Thu, 8 Jul 2021 12:07:49 +0200 Message-Id: <20210708100756.212085-2-laurent@vivier.eu> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210708100756.212085-1-laurent@vivier.eu> References: <20210708100756.212085-1-laurent@vivier.eu> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Provags-ID: V03:K1:xojmxh8y3vCnVylLJbmikGcQeeUyEaJqhneKH9yxYgO3eD0ncnM wGF9J4iG8v7zZ9/yULqacSa3DnjSV85r6sWNrS5fTXbIUyj56wMd4kxLuxExCvU0mRgpOEy 68/6dIxY1T1PRJ0doDO7WrOh6RjulIm3ojipWGRVD92eJm2fgOVkXC2syAAN/q0PrgFqWPE SO0pJ5U9U4KFvXGV6XXRw== X-UI-Out-Filterresults: notjunk:1;V03:K0:QAnrlwy9LN0=:1ulk22bU7oao+o7NPEMino VMI4CGk8fkqWQM0Ge3gnrNKyYK8kP8yycAKa809y699x+K/tdzPQb4ldVCVTiu5l1C1RAyfrn u4l6o/pPDaPK54eslly1EZjgyaR4FEB+JPTPZGukZs5iRnVnDbwpkr5CqBpBLCVHYvZX5F/Qg OF1wuaT/3DfXUGrhyEEUt4FE0AfORig+FTTuz+iNoTy6V9psCW+Oq/dvUoM23xOrrLFzyGWiA 6lviooxI6dP0vK17f+iVhG7oeEss0QUahoP1nQoPKejH+6LsQVtzhBhEsWafvEtLh+n9ollwj tclnych7K7361lH0d/kHUgoUMTcUh+SBkTh9Mbjsa3nX+QTTDW7yLmZpqSiuvko0uGOOFZdjp erHInN9yNmdBLHCnuSQCWAiy8yCNBifcy7SxghEiw6XEfzq/mgJHrxbHQhCmLBGGGrJu0uHQY QZy08yAx3BtrgShfh+s9kuSQCkZCIsAomqshuApJwXJbVX4CdPtzSC9mB+NrL/EZl/2eaGLsf fqfRwmoUcxYrWakGmp7Oy5Xb2GVYsE4IGxPImqbMOi5Mut1EHYbCDZF8yu8aKbS5lkIQxyfbD WR0glqoT1pkCy8FFLRBhDlht073bwNBhpy2jZmkBnljtC8ovutk4hPpBUkfLf0ElxfodJeBUq g1HBxhHFsHxv09r33tY38ILA4l4A4RMRJwHev1raJrzT/Yc4+oDP2x/CNSFY+RSDB0ZEy28ya 7uilLS1KV/UlarYVFusXPPXg22PWvq9kDCcX0wn4nONIYmoN83S2hyjmP9tcvHq9xlm9cIcH1 deVgS32PdiEsUlYyqMWlLqTrwP4PB2AuyRIroNh3cr7BSNsCU8k7X12uosj63Flox+WSSll Received-SPF: none client-ip=212.227.126.133; 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, 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: Kito Cheng , Richard Henderson , Laurent Vivier Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Kito Cheng Set I, M, A, F, D and C bit for hwcap if misa is set. Signed-off-by: Kito Cheng Reviewed-by: Richard Henderson Message-Id: <20210706035015.122899-1-kito.cheng@sifive.com> Signed-off-by: Laurent Vivier --- linux-user/elfload.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 598ab8aa1396..42ef2a114855 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -1434,6 +1434,19 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs, #define ELF_CLASS ELFCLASS64 #endif +#define ELF_HWCAP get_elf_hwcap() + +static uint32_t get_elf_hwcap(void) +{ +#define MISA_BIT(EXT) (1 << (EXT - 'A')) + RISCVCPU *cpu = RISCV_CPU(thread_cpu); + uint32_t mask = MISA_BIT('I') | MISA_BIT('M') | MISA_BIT('A') + | MISA_BIT('F') | MISA_BIT('D') | MISA_BIT('C'); + + return cpu->env.misa & mask; +#undef MISA_BIT +} + static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop) { -- 2.31.1