Message ID | 20231112061514.2306187-37-guoren@kernel.org |
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State | New |
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[23.128.96.35]) by mx.google.com with ESMTPS id eg18-20020a056a00801200b006b356972c78si3231718pfb.405.2023.11.11.22.22.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 11 Nov 2023 22:22:22 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.35 as permitted sender) client-ip=23.128.96.35; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=VbI2EEzZ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.35 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by groat.vger.email (Postfix) with ESMTP id 06762807C559; Sat, 11 Nov 2023 22:22:16 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at groat.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231426AbjKLGVl (ORCPT <rfc822;heyuhang3455@gmail.com> + 29 others); Sun, 12 Nov 2023 01:21:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60338 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231381AbjKLGV3 (ORCPT <rfc822;linux-kernel@vger.kernel.org>); Sun, 12 Nov 2023 01:21:29 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 00B2949C6 for <linux-kernel@vger.kernel.org>; Sat, 11 Nov 2023 22:19:07 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 33DF4C433CA; Sun, 12 Nov 2023 06:19:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1699769947; bh=NRQ3+7zYtWxcLMyaVKQL6b/W2ki6kHtASjhWDkIuCOI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VbI2EEzZrCv1lHLtCSo4ml+lsXoi2BDR011BlUq9xT0ZNKfCfIJqP1pKQzJBh8N7g kiMUAnJS6x4AZgmjx2yE/Ll/Yh2fkJYiBAoM1ZsZW9v4oJc0VHf32QSGCngpncB27v LrJ7/m8DB/od4SkM4KJERf+onE6k2uJojjXohO3T1P7hGXPF9PwyWGjUI50nFnK721 NoXn00HX/mfQHlJg2099EljXDIxLj0RA4ke7+vHnDG/TY9K29A8ZFU5Obq3R9yBR2D rgeYSxG2x8DJrDFwGs5DcDwJRy82wG1hlg4UfnC8H60hdWaKQfalzVHUZciXmdD3qd MVlNJeiEpTn4w== From: guoren@kernel.org To: arnd@arndb.de, guoren@kernel.org, palmer@rivosinc.com, tglx@linutronix.de, conor.dooley@microchip.com, heiko@sntech.de, apatel@ventanamicro.com, atishp@atishpatra.org, bjorn@kernel.org, paul.walmsley@sifive.com, anup@brainfault.org, jiawei@iscas.ac.cn, liweiwei@iscas.ac.cn, wefu@redhat.com, U2FsdGVkX1@gmail.com, wangjunqiang@iscas.ac.cn, kito.cheng@sifive.com, andy.chiu@sifive.com, vincent.chen@sifive.com, greentime.hu@sifive.com, wuwei2016@iscas.ac.cn, jrtc27@jrtc27.com, luto@kernel.org, fweimer@redhat.com, catalin.marinas@arm.com, hjl.tools@gmail.com Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, Guo Ren <guoren@linux.alibaba.com> Subject: [RFC PATCH V2 36/38] irqchip: riscv: s64ilp32: Use __riscv_xlen instead of CONFIG_32BIT Date: Sun, 12 Nov 2023 01:15:12 -0500 Message-Id: <20231112061514.2306187-37-guoren@kernel.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20231112061514.2306187-1-guoren@kernel.org> References: <20231112061514.2306187-1-guoren@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: <linux-kernel.vger.kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (groat.vger.email [0.0.0.0]); Sat, 11 Nov 2023 22:22:16 -0800 (PST) X-Spam-Status: No, score=-1.2 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on groat.vger.email X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1782338177585115057 X-GMAIL-MSGID: 1782338177585115057 |
Series |
rv64ilp32: Running ILP32 on RV64 ISA
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Commit Message
Guo Ren
Nov. 12, 2023, 6:15 a.m. UTC
From: Guo Ren <guoren@linux.alibaba.com> When s64ilp32 enabled, CONFIG_32BIT=y but __riscv_xlen=64. So we must use __riscv_xlen to detect real machine XLEN for CSR access. Signed-off-by: Guo Ren <guoren@linux.alibaba.com> Signed-off-by: Guo Ren <guoren@kernel.org> --- drivers/irqchip/irq-riscv-intc.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/irqchip/irq-riscv-intc.c b/drivers/irqchip/irq-riscv-intc.c index 4adeee1bc391..ee3514ef4326 100644 --- a/drivers/irqchip/irq-riscv-intc.c +++ b/drivers/irqchip/irq-riscv-intc.c @@ -22,10 +22,7 @@ static struct irq_domain *intc_domain; static asmlinkage void riscv_intc_irq(struct pt_regs *regs) { - unsigned long cause = regs->cause & ~CAUSE_IRQ_FLAG; - - if (unlikely(cause >= BITS_PER_LONG)) - panic("unexpected interrupt cause"); + xlen_t cause = regs->cause & ~CAUSE_IRQ_FLAG; generic_handle_domain_irq(intc_domain, cause); } @@ -117,7 +114,7 @@ static int __init riscv_intc_init_common(struct fwnode_handle *fn) { int rc; - intc_domain = irq_domain_create_linear(fn, BITS_PER_LONG, + intc_domain = irq_domain_create_linear(fn, __riscv_xlen, &riscv_intc_domain_ops, NULL); if (!intc_domain) { pr_err("unable to add IRQ domain\n"); @@ -132,7 +129,7 @@ static int __init riscv_intc_init_common(struct fwnode_handle *fn) riscv_set_intc_hwnode_fn(riscv_intc_hwnode); - pr_info("%d local interrupts mapped\n", BITS_PER_LONG); + pr_info("%d local interrupts mapped\n", __riscv_xlen); return 0; }