From patchwork Wed Apr 10 07:22:51 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Tokarev X-Patchwork-Id: 1921821 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4VDvvS5WsMz1yYS for ; Wed, 10 Apr 2024 17:43:16 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ruSPr-0003MI-Rz; Wed, 10 Apr 2024 03:30:44 -0400 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 1ruSPg-00033w-H3; Wed, 10 Apr 2024 03:30:34 -0400 Received: from isrv.corpit.ru ([86.62.121.231]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ruSPe-0005NP-AL; Wed, 10 Apr 2024 03:30:31 -0400 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id 2B27C5D6BE; Wed, 10 Apr 2024 10:25:08 +0300 (MSK) Received: from tls.msk.ru (mjt.wg.tls.msk.ru [192.168.177.130]) by tsrv.corpit.ru (Postfix) with SMTP id C505CB02FE; Wed, 10 Apr 2024 10:23:09 +0300 (MSK) Received: (nullmailer pid 4191885 invoked by uid 1000); Wed, 10 Apr 2024 07:23:04 -0000 From: Michael Tokarev To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org, Peter Maydell , Richard Henderson , Michael Tokarev Subject: [Stable-8.2.3 78/87] hw/intc/arm_gicv3: ICC_HPPIR* return SPURIOUS if int group is disabled Date: Wed, 10 Apr 2024 10:22:51 +0300 Message-Id: <20240410072303.4191455-78-mjt@tls.msk.ru> X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 Received-SPF: pass client-ip=86.62.121.231; envelope-from=mjt@tls.msk.ru; helo=isrv.corpit.ru X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Peter Maydell If the group of the highest priority pending interrupt is disabled via ICC_IGRPEN*, the ICC_HPPIR* registers should return INTID_SPURIOUS, not the interrupt ID. (See the GIC architecture specification pseudocode functions ICC_HPPIR1_EL1[] and HighestPriorityPendingInterrupt().) Make HPPIR reads honour the group disable, the way we already do when determining whether to preempt in icc_hppi_can_preempt(). Cc: qemu-stable@nongnu.org Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson Message-id: 20240328153333.2522667-1-peter.maydell@linaro.org (cherry picked from commit 44e25fbc1900c99c91a44e532c5bd680bc403459) Signed-off-by: Michael Tokarev diff --git a/hw/intc/arm_gicv3_cpuif.c b/hw/intc/arm_gicv3_cpuif.c index 258dee1b80..3364f6b706 100644 --- a/hw/intc/arm_gicv3_cpuif.c +++ b/hw/intc/arm_gicv3_cpuif.c @@ -1067,7 +1067,7 @@ static uint64_t icc_hppir0_value(GICv3CPUState *cs, CPUARMState *env) */ bool irq_is_secure; - if (cs->hppi.prio == 0xff) { + if (icc_no_enabled_hppi(cs)) { return INTID_SPURIOUS; } @@ -1104,7 +1104,7 @@ static uint64_t icc_hppir1_value(GICv3CPUState *cs, CPUARMState *env) */ bool irq_is_secure; - if (cs->hppi.prio == 0xff) { + if (icc_no_enabled_hppi(cs)) { return INTID_SPURIOUS; }