From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Tue, 06 Jun 2023 10:14:51 +0200 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1q6Rq9-00CoDe-3W for lore@lore.pengutronix.de; Tue, 06 Jun 2023 10:14:51 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1q6Rq6-0001yR-Er for lore@pengutronix.de; Tue, 06 Jun 2023 10:14:51 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From :Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=LqYdBDOGEcUNjhmVF4G5bJ+lQR7tG3a6XMN/ytHgyMQ=; b=anrv+karwg7EXzTw2JzrXsRhX7 Zd1tn4VJGfd9tEkJm+8zFcR10rGR1N52F1tZXEs9BKnKd7UZ57rME+9GpGSx1fKb2sM33aBlCdMaP 33XtmwVVm5YNox4urT5ueS1wgtmM7zcfLN/JbO9tjYEDo/WIH8Sph6cvbswlDlUp+sy4c8PaLCz0T S6N//v6kC7aIDsR8+/IaiJrDqzAlLlaP/DcugUchDCeGAgUOOMXOqCYJynM6luH/9ebELvcKQr8g4 6FVhN0A6JSwBnJOF33rwmF5XX7cxgkzGu4uSXtJBJLk9CmvfjhUVTEJ6GjfEYOb637AV7b0HpvO1x XPJmvb2w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q6Roz-000kTK-1u; Tue, 06 Jun 2023 08:13:41 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1q6Row-000kSX-1X for barebox@lists.infradead.org; Tue, 06 Jun 2023 08:13:39 +0000 Received: from ptz.office.stw.pengutronix.de ([2a0a:edc0:0:900:1d::77] helo=[127.0.0.1]) by metis.ext.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1q6Rou-0001r1-Jc; Tue, 06 Jun 2023 10:13:36 +0200 Message-ID: <2b45c583-276c-b4f1-ac11-07062033c7ce@pengutronix.de> Date: Tue, 6 Jun 2023 10:13:35 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.10.1 Content-Language: en-US To: Denis Orlov , barebox@lists.infradead.org References: <20230605202634.42175-1-denorl2009@gmail.com> <20230605202634.42175-5-denorl2009@gmail.com> From: Ahmad Fatoum In-Reply-To: <20230605202634.42175-5-denorl2009@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230606_011338_538397_414DA782 X-CRM114-Status: GOOD ( 19.27 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.9 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH 04/17] MIPS: o32: provide ta0..ta3 register definitions X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) On 05.06.23 22:10, Denis Orlov wrote: > This allows to write generic assembly code that will compile under both > o32 and n64 ABIs, as otherwise the register definitions would conflict. > > Taken from Linux kernel sources, commit 'MIPS: O32: Provide definition > of registers ta0 .. ta3.' (3ba1e543ab4b02640d396098f2f6a199560d5f2d). > > Signed-off-by: Denis Orlov Reviewed-by: Ahmad Fatoum I must say, this file looks odd though. _MIPS_SIM is apparently defined by the compiler and it's compared against _MIPS_SIM_ABI32, which barebox defines... > --- > arch/mips/include/asm/regdef.h | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/arch/mips/include/asm/regdef.h b/arch/mips/include/asm/regdef.h > index 1300251661..df87582e8e 100644 > --- a/arch/mips/include/asm/regdef.h > +++ b/arch/mips/include/asm/regdef.h > @@ -3,6 +3,8 @@ > * Copyright (C) 1985 MIPS Computer Systems, Inc. > * Copyright (C) 1994, 95, 99, 2003 by Ralf Baechle > * Copyright (C) 1990 - 1992, 1999 Silicon Graphics, Inc. > + * Copyright (C) 2011 Wind River Systems, > + * written by Ralf Baechle > */ > #ifndef _ASM_REGDEF_H > #define _ASM_REGDEF_H > @@ -27,9 +29,13 @@ > #define t2 $10 > #define t3 $11 > #define t4 $12 > +#define ta0 $12 > #define t5 $13 > +#define ta1 $13 > #define t6 $14 > +#define ta2 $14 > #define t7 $15 > +#define ta3 $15 > #define s0 $16 /* callee saved */ > #define s1 $17 > #define s2 $18 -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |