From patchwork Tue Jan 24 07:12:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Pavel Dovgalyuk X-Patchwork-Id: 13113593 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C9DCFC38142 for ; Tue, 24 Jan 2023 07:13:36 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pKDUj-0004A0-Pr; Tue, 24 Jan 2023 02:13:25 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pKDUV-0003So-ID for qemu-devel@nongnu.org; Tue, 24 Jan 2023 02:13:12 -0500 Received: from mail.ispras.ru ([83.149.199.84]) by eggs.gnu.org with esmtps (TLS1.2:DHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pKDUQ-0002m4-TP for qemu-devel@nongnu.org; Tue, 24 Jan 2023 02:13:08 -0500 Received: from [127.0.1.1] (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id BF89344C1020; Tue, 24 Jan 2023 07:12:45 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 mail.ispras.ru BF89344C1020 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ispras.ru; s=default; t=1674544365; bh=guAH/cOw0v56m2IcaCamWVCWxD+lBjmVEFeXkfrEF64=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=rwOFMEM/6oO06EgHGfLwXSp/tUyuejnas6mChNgNcqLvQ8X+7lDOf5wFauihSqvaP E5uZOwKsp0jTKClQsSBX/B1oztuL7by01/XdivLi2IaqzkoicFzFq6ZvzvQBPpDvQ3 fn0FB8SCTyIxjTMJ9u2yRcgxZQpyuDH+bqIxotB4= Subject: [PATCH v2 4/5] target/avr: fix interrupt processing From: Pavel Dovgalyuk To: qemu-devel@nongnu.org Cc: pavel.dovgalyuk@ispras.ru, mrolnik@gmail.com, philmd@linaro.org, richard.henderson@linaro.org Date: Tue, 24 Jan 2023 10:12:45 +0300 Message-ID: <167454436558.3686700.7820951378493451968.stgit@pasha-ThinkPad-X280> In-Reply-To: <167454434356.3686700.6888237867240722060.stgit@pasha-ThinkPad-X280> References: <167454434356.3686700.6888237867240722060.stgit@pasha-ThinkPad-X280> User-Agent: StGit/0.23 MIME-Version: 1.0 Received-SPF: pass client-ip=83.149.199.84; envelope-from=pavel.dovgalyuk@ispras.ru; helo=mail.ispras.ru X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Interrupt bit vector has 64 bits, but interrupt vector is found with ctz32 function. This patch replaces it with ctz64. Signed-off-by: Pavel Dovgalyuk Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson --- target/avr/helper.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/target/avr/helper.c b/target/avr/helper.c index 156dde4e92..61ab6feb25 100644 --- a/target/avr/helper.c +++ b/target/avr/helper.c @@ -51,7 +51,7 @@ bool avr_cpu_exec_interrupt(CPUState *cs, int interrupt_request) } if (interrupt_request & CPU_INTERRUPT_HARD) { if (cpu_interrupts_enabled(env) && env->intsrc != 0) { - int index = ctz32(env->intsrc); + int index = ctz64(env->intsrc); cs->exception_index = EXCP_INT(index); avr_cpu_do_interrupt(cs); @@ -78,7 +78,7 @@ void avr_cpu_do_interrupt(CPUState *cs) if (cs->exception_index == EXCP_RESET) { vector = 0; } else if (env->intsrc != 0) { - vector = ctz32(env->intsrc) + 1; + vector = ctz64(env->intsrc) + 1; } if (avr_feature(env, AVR_FEATURE_3_BYTE_PC)) {