From nobody Wed Nov 5 06:42:35 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1532455825188501.38821184194603; Tue, 24 Jul 2018 11:10:25 -0700 (PDT) Received: from localhost ([::1]:41901 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fi1lL-0002sg-Tv for importer@patchew.org; Tue, 24 Jul 2018 14:10:19 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49819) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fi1ZS-0000Fg-A5 for qemu-devel@nongnu.org; Tue, 24 Jul 2018 13:58:03 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fi1ZQ-0007Gi-PU for qemu-devel@nongnu.org; Tue, 24 Jul 2018 13:58:02 -0400 Received: from mx2.rt-rk.com ([89.216.37.149]:55087 helo=mail.rt-rk.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fi1ZQ-0007Fi-HF for qemu-devel@nongnu.org; Tue, 24 Jul 2018 13:58:00 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.rt-rk.com (Postfix) with ESMTP id 3DC511A44E6; Tue, 24 Jul 2018 19:57:59 +0200 (CEST) Received: from rtrkw774-lin.mipstec.com (unknown [82.117.201.26]) by mail.rt-rk.com (Postfix) with ESMTPSA id 1F4A81A1DCE; Tue, 24 Jul 2018 19:57:59 +0200 (CEST) X-Virus-Scanned: amavisd-new at rt-rk.com From: Aleksandar Markovic To: qemu-devel@nongnu.org Date: Tue, 24 Jul 2018 19:31:47 +0200 Message-Id: <1532453527-22911-36-git-send-email-aleksandar.markovic@rt-rk.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1532453527-22911-1-git-send-email-aleksandar.markovic@rt-rk.com> References: <1532453527-22911-1-git-send-email-aleksandar.markovic@rt-rk.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 89.216.37.149 Subject: [Qemu-devel] [PATCH v4 35/55] elf: Don't check FCR31_NAN2008 bit for nanoMIPS 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: , Cc: pburton@wavecomp.com, smarkovic@wavecomp.com, riku.voipio@iki.fi, richard.henderson@linaro.org, laurent@vivier.eu, philippe.mathieu.daude@gmail.com, amarkovic@wavecomp.com, pjovanovic@wavecomp.com, aurelien@aurel32.net 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" From: Aleksandar Markovic nanoMIPS is always NaN2008 compliant, and rules for checking FCR31's NAN2008 bit are obsoleted. Reviewed-by: Richard Henderson Signed-off-by: Aleksandar Markovic Signed-off-by: Stefan Markovic --- linux-user/mips/cpu_loop.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/linux-user/mips/cpu_loop.c b/linux-user/mips/cpu_loop.c index 1d3dc9e..c9c20cf 100644 --- a/linux-user/mips/cpu_loop.c +++ b/linux-user/mips/cpu_loop.c @@ -747,6 +747,9 @@ void target_cpu_copy_regs(CPUArchState *env, struct tar= get_pt_regs *regs) if (regs->cp0_epc & 1) { env->hflags |=3D MIPS_HFLAG_M16; } + if (env->insn_flags & ISA_NANOMIPS32) { + return; + } if (((info->elf_flags & EF_MIPS_NAN2008) !=3D 0) !=3D ((env->active_fpu.fcr31 & (1 << FCR31_NAN2008)) !=3D 0)) { if ((env->active_fpu.fcr31_rw_bitmask & --=20 2.7.4