From patchwork Thu Jun 27 12:13:46 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Song Gao X-Patchwork-Id: 13714313 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 60E0BC2BD09 for ; Thu, 27 Jun 2024 12:32:46 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sMoHa-0001Wj-0f; Thu, 27 Jun 2024 08:31:22 -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 1sMoHW-0001Vx-Fq for qemu-devel@nongnu.org; Thu, 27 Jun 2024 08:31:19 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sMoHS-0004VF-7H for qemu-devel@nongnu.org; Thu, 27 Jun 2024 08:31:18 -0400 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8Bx7eqMW31meaYKAA--.43236S3; Thu, 27 Jun 2024 20:31:08 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8Cx78eLW31mKjwzAA--.55672S2; Thu, 27 Jun 2024 20:31:07 +0800 (CST) From: Song Gao To: qemu-devel@nongnu.org Cc: philmd@linaro.org, jiaxun.yang@flygoat.com, maobibo@loongson.cn, chenhuacai@kernel.org, richard.henderson@linaro.org, peter.maydell@linaro.org, alex.bennee@linaro.org, pbonzini@redhat.com Subject: [RESEND PATCH 0/2] hw/intc: Restore loongarch_ipi for LoongArch Date: Thu, 27 Jun 2024 20:13:46 +0800 Message-Id: <20240627121348.3412568-1-gaosong@loongson.cn> X-Mailer: git-send-email 2.39.1 MIME-Version: 1.0 X-CM-TRANSID: AQAAf8Cx78eLW31mKjwzAA--.55672S2 X-CM-SenderInfo: 5jdr20tqj6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Received-SPF: pass client-ip=114.242.206.163; envelope-from=gaosong@loongson.cn; helo=mail.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_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 Currently LoongArch and MIPS architectures share loongson_ipi, and modifications to loongson_ipi by the MIPS architecture may lead to some unknown problems in the LoongArch architecture. In order to minimize the impact of this inter-architectural interaction, we believe that it is necessary to restore loongarch_ipi. Song Gao (2): Revert "hw/intc: Remove loongarch_ipi.c" hw/intc: Restore loongarch_ipi for LoongArch MAINTAINERS | 2 - include/hw/intc/loongarch_ipi.h | 54 +++++ include/hw/loongarch/virt.h | 2 +- hw/intc/loongarch_ipi.c | 347 ++++++++++++++++++++++++++++++++ hw/loongarch/virt.c | 4 +- hw/intc/Kconfig | 3 + hw/intc/meson.build | 1 + hw/intc/trace-events | 3 + hw/loongarch/Kconfig | 2 +- 9 files changed, 412 insertions(+), 6 deletions(-) create mode 100644 include/hw/intc/loongarch_ipi.h create mode 100644 hw/intc/loongarch_ipi.c