From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from Chamillionaire.breakpoint.cc (Chamillionaire.breakpoint.cc [91.216.245.30]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 029671B040D; Wed, 26 Mar 2025 22:04:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.216.245.30 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743026679; cv=none; b=bXYzq1cod2KT3LcbtNyV6ypgWzJKspdHIP1p55atpI/LwgL1Le6SnGtF1UiE+gVHqgm19/uRH07mM6xE1pAnYUKLy7Dsa3YzJ4x0WDcvCnddvaTVIcuUCAJQs0DiCr5aG22oS9VtOroR1I7UuIgDzdiiQ82Bxg41wLU+ZnRuuhU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743026679; c=relaxed/simple; bh=Zh2UWJYG8bBasfUkVNTPqK0ACUoQtQj1ANKJcOkOs0Y=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=j88PozyLIZaeO/jm87+4qW2kB4eGSSbD6ylFTjS3N/WToXcvWF3lgEG8fa1k3xmgnFqepwYaAs5Kee54T4HIc8cGbzVnvjHem8b8BBuCPUgWCNHIC+jxGgs2+5fMgdgTw3EHI8Nupxn5l24gNNHGU6zI5KkqANPpPzUVEAP2zZo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=breakpoint.cc; spf=pass smtp.mailfrom=breakpoint.cc; arc=none smtp.client-ip=91.216.245.30 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=breakpoint.cc Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=breakpoint.cc Received: from bigeasy by Chamillionaire.breakpoint.cc with local (Exim 4.92) (envelope-from ) id 1txYrP-0001jB-1w; Wed, 26 Mar 2025 23:04:31 +0100 Date: Wed, 26 Mar 2025 23:04:30 +0100 From: Sebastian Andrzej Siewior To: Thomas =?utf-8?Q?Wei=C3=9Fschuh?= Cc: Willy Tarreau , Shuah Khan , Thomas Bogendoerfer , "Maciej W. Rozycki" , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mips@vger.kernel.org Subject: Re: [PATCH v2 0/4] tools/nolibc: MIPS: entrypoint cleanups and N32/N64 ABIs Message-ID: <20250326220430._IkF6-zy@breakpoint.cc> References: <20250225-nolibc-mips-n32-v2-0-664b47d87fa0@weissschuh.net> <20250326205434.bPx_kVUx@breakpoint.cc> <60e78caf-49e5-42ad-900c-9813518d838b@t-8ch.de> Precedence: bulk X-Mailing-List: linux-mips@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable In-Reply-To: <60e78caf-49e5-42ad-900c-9813518d838b@t-8ch.de> On 2025-03-26 22:51:54 [+0100], Thomas Wei=C3=9Fschuh wrote: > > mips32le works as-is. > > For mips64le I had to s/-march=3Dmips64r6/-march=3Dmips64r2 to match the > > ABI. Which makes me wonder: Why do do we need to pass -march here and > > can't rely on toolchain defaults? >=20 > The goal here is to have an as-wide-as-possible test matrix for > nolibc-test, which will mostly be running on QEMU anyways. > Also we need to run the correct QEMU user variant; by fixing the > architecture this is easy to do. I would prefer to make distro users as in real hardware first class citizen and not QEMU users. If you run qemu you can specify the ABI anyway. > Thomas Sebastian