From nobody Thu Dec 18 22:19:46 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1519905571129744.4859416454822; Thu, 1 Mar 2018 03:59:31 -0800 (PST) Received: from localhost ([::1]:55908 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1erMry-0005HY-7W for importer@patchew.org; Thu, 01 Mar 2018 06:59:30 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34132) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1erMKB-00042T-LR for qemu-devel@nongnu.org; Thu, 01 Mar 2018 06:24:36 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1erMKA-0008Gr-Sb for qemu-devel@nongnu.org; Thu, 01 Mar 2018 06:24:35 -0500 Received: from orth.archaic.org.uk ([2001:8b0:1d0::2]:46728) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1erMKA-0008G3-MM for qemu-devel@nongnu.org; Thu, 01 Mar 2018 06:24:34 -0500 Received: from pm215 by orth.archaic.org.uk with local (Exim 4.89) (envelope-from ) id 1erMK9-0000hp-JC for qemu-devel@nongnu.org; Thu, 01 Mar 2018 11:24:33 +0000 From: Peter Maydell To: qemu-devel@nongnu.org Date: Thu, 1 Mar 2018 11:24:02 +0000 Message-Id: <20180301112403.12487-42-peter.maydell@linaro.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180301112403.12487-1-peter.maydell@linaro.org> References: <20180301112403.12487-1-peter.maydell@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2001:8b0:1d0::2 Subject: [Qemu-devel] [PULL 41/42] linux-user: Report AArch64 FP16 support via hwcap bits X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 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" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Set the appropriate Linux hwcap bits to tell the guest binary if we have implemented half-precision floating point support. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson --- linux-user/elfload.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 0208022445..6689089cd2 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -551,6 +551,8 @@ static uint32_t get_elf_hwcap(void) GET_FEATURE(ARM_FEATURE_V8_SM3, ARM_HWCAP_A64_SM3); GET_FEATURE(ARM_FEATURE_V8_SM4, ARM_HWCAP_A64_SM4); GET_FEATURE(ARM_FEATURE_V8_SHA512, ARM_HWCAP_A64_SHA512); + GET_FEATURE(ARM_FEATURE_V8_FP16, + ARM_HWCAP_A64_FPHP | ARM_HWCAP_A64_ASIMDHP); #undef GET_FEATURE =20 return hwcaps; --=20 2.16.2