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=-12.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 60350C433E4 for ; Mon, 27 Jul 2020 16:51:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5A3D92074F for ; Mon, 27 Jul 2020 16:51:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=xen0n.name header.i=@xen0n.name header.b="Lgh873vp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729416AbgG0QvW (ORCPT ); Mon, 27 Jul 2020 12:51:22 -0400 Received: from [115.28.160.31] ([115.28.160.31]:48640 "EHLO mailbox.box.xen0n.name" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1728642AbgG0QvV (ORCPT ); Mon, 27 Jul 2020 12:51:21 -0400 Received: from ld50.lan (unknown [112.64.68.106]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mailbox.box.xen0n.name (Postfix) with ESMTPSA id 1555D60161; Tue, 28 Jul 2020 00:51:18 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=xen0n.name; s=mail; t=1595868678; bh=YKM4pWUr/TTnRrD58Tu3PqhbSybuMCXBZ5kx9+rb3yU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Lgh873vpv5yM+vZHCc1Ryrj507cW9LBO57qOpDyeOPUaadg5+Ddj9F4WgFijhI25J gtQcxMqtlyoRYBHoJw2hZSHN9IHNguJQytUQrdLY4Dd+4BDf4k/jBx0Lh0M917N46A Zrj6cizjeewNdOz3eINQX4EpcMAF214mEIBF1I4M= From: WANG Xuerui To: linux-mips@vger.kernel.org Cc: WANG Xuerui , Huacai Chen , Jiaxun Yang , Tiezhu Yang Subject: [PATCH v3 2/3] MIPS: add definitions for Loongson-specific CP0.Diag1 register Date: Tue, 28 Jul 2020 00:51:07 +0800 Message-Id: <20200727165108.2378227-3-git@xen0n.name> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200727165108.2378227-1-git@xen0n.name> References: <20200727165108.2378227-1-git@xen0n.name> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org This register is named GSCause in Loongson manuals. It carries Loongson extended exception information. Signed-off-by: WANG Xuerui Cc: Huacai Chen Cc: Jiaxun Yang Cc: Tiezhu Yang --- arch/mips/include/asm/mipsregs.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h index 11094d857b92..5ba268266d16 100644 --- a/arch/mips/include/asm/mipsregs.h +++ b/arch/mips/include/asm/mipsregs.h @@ -86,6 +86,7 @@ #define CP0_XCONTEXT $20 #define CP0_FRAMEMASK $21 #define CP0_DIAGNOSTIC $22 +#define CP0_DIAGNOSTIC1 $22, 1 #define CP0_DEBUG $23 #define CP0_DEPC $24 #define CP0_PERFORMANCE $25 @@ -1051,6 +1052,13 @@ /* Flush FTLB */ #define LOONGSON_DIAG_FTLB (_ULCAST_(1) << 13) +/* + * Diag1 (GSCause in Loongson-speak) fields + */ +/* Loongson-specific exception code (GSExcCode) */ +#define LOONGSON_DIAG1_EXCCODE_SHIFT 2 +#define LOONGSON_DIAG1_EXCCODE GENMASK(6, 2) + /* CvmCtl register field definitions */ #define CVMCTL_IPPCI_SHIFT 7 #define CVMCTL_IPPCI (_U64CAST_(0x7) << CVMCTL_IPPCI_SHIFT) -- 2.25.1