From patchwork Thu Oct 20 09:04:55 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaojuan Yang X-Patchwork-Id: 13012888 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 EF834C433FE for ; Thu, 20 Oct 2022 09:22:54 +0000 (UTC) Received: from localhost ([::1]:52936 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1olRlN-0000CJ-O4 for qemu-devel@archiver.kernel.org; Thu, 20 Oct 2022 05:22:53 -0400 Received: from [::1] (helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1olRfN-0007qm-EB for qemu-devel@archiver.kernel.org; Thu, 20 Oct 2022 05:16:41 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47682) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1olRU8-0002rW-Qn for qemu-devel@nongnu.org; Thu, 20 Oct 2022 05:05:06 -0400 Received: from mail.loongson.cn ([114.242.206.163]:48398 helo=loongson.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1olRU6-000092-CK for qemu-devel@nongnu.org; Thu, 20 Oct 2022 05:05:04 -0400 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8Bx3Ng5D1FjJv8AAA--.5035S3; Thu, 20 Oct 2022 17:04:57 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8Cxb+I4D1FjP9UBAA--.7687S4; Thu, 20 Oct 2022 17:04:56 +0800 (CST) From: Xiaojuan Yang To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org, gaosong@loongson.cn, maobibo@loongson.cn, f4bug@amsat.org, philmd@linaro.org Subject: [PATCH v7 2/2] hw/intc: Fix LoongArch extioi coreisr accessing Date: Thu, 20 Oct 2022 17:04:55 +0800 Message-Id: <20221020090455.2371099-3-yangxiaojuan@loongson.cn> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20221020090455.2371099-1-yangxiaojuan@loongson.cn> References: <20221020090455.2371099-1-yangxiaojuan@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8Cxb+I4D1FjP9UBAA--.7687S4 X-CM-SenderInfo: p1dqw5xldry3tdq6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjvJXoW7KryfuFy5CFWxJr4fZrWxtFb_yoW8Ww1xpr W8u34Fgr4DJr4fJrsrt3W8Ar1rGasIqF129F4rKFyfurnrKr1ru34vqFyfWFWUua4kZryj gFWfXw1a9F1qywUanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUj1kv1TuYvTs0mT0YCTnIWj qI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUIcSsGvfJTRUUU b0AFc2x0x2IEx4CE42xK8VAvwI8IcIk0rVWrJVCq3wA2ocxC64kIII0Yj41l84x0c7CEw4 AK67xGY2AK021l84ACjcxK6xIIjxv20xvE14v26r4j6ryUM28EF7xvwVC0I7IYx2IY6xkF 7I0E14v26r4j6F4UM28EF7xvwVC2z280aVAFwI0_Gr1j6F4UJwA2z4x0Y4vEx4A2jsIEc7 CjxVAFwI0_Cr1j6rxdM2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12xvs2x26I8E 6xACxx1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6x8ErcxFaVAv8VWrMcvjeVCFs4IE7x kEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwCF04k20xvY0x0EwIxGrwCF04k20xvE74AGY7Cv 6cx26rWl4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x 8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r126r1DMIIYrxkI7VAKI48JMIIF0xvE 2Ix0cI8IcVAFwI0_JFI_Gr1lIxAIcVC0I7IYx2IY6xkF7I0E14v26r1j6r4UMIIF0xvE42 xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF 7I0E14v26r1j6r4UYxBIdaVFxhVjvjDU0xZFpf9x0zRVWlkUUUUU= Received-SPF: pass client-ip=114.242.206.163; envelope-from=yangxiaojuan@loongson.cn; helo=loongson.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-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" 1. When cpu read or write extioi COREISR reg, it should access the reg belonged to itself, so the cpu index of 's->coreisr' is current cpu number. Using MemTxAttrs' requester_id to get the cpu index. 2. It need not to mask 0x1f when calculate the coreisr array index. Signed-off-by: Xiaojuan Yang --- hw/intc/loongarch_extioi.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/hw/intc/loongarch_extioi.c b/hw/intc/loongarch_extioi.c index 16f2261844..76110d1bcd 100644 --- a/hw/intc/loongarch_extioi.c +++ b/hw/intc/loongarch_extioi.c @@ -92,8 +92,9 @@ static MemTxResult extioi_readw(void *opaque, hwaddr addr, uint64_t *data, *data = s->bounce[index]; break; case EXTIOI_COREISR_START ... EXTIOI_COREISR_END - 1: - index = ((offset - EXTIOI_COREISR_START) & 0x1f) >> 2; - cpu = ((offset - EXTIOI_COREISR_START) >> 8) & 0x3; + index = (offset - EXTIOI_COREISR_START) >> 2; + /* using attrs to get current cpu index */ + cpu = attrs.requester_id; *data = s->coreisr[cpu][index]; break; case EXTIOI_COREMAP_START ... EXTIOI_COREMAP_END - 1: @@ -184,8 +185,9 @@ static MemTxResult extioi_writew(void *opaque, hwaddr addr, s->bounce[index] = val; break; case EXTIOI_COREISR_START ... EXTIOI_COREISR_END - 1: - index = ((offset - EXTIOI_COREISR_START) & 0x1f) >> 2; - cpu = ((offset - EXTIOI_COREISR_START) >> 8) & 0x3; + index = (offset - EXTIOI_COREISR_START) >> 2; + /* using attrs to get current cpu index */ + cpu = attrs.requester_id; old_data = s->coreisr[cpu][index]; s->coreisr[cpu][index] = old_data & ~val; /* write 1 to clear interrrupt */