From nobody Tue Nov 26 09:44:23 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1709112804; cv=none; d=zohomail.com; s=zohoarc; b=Z/hVuyjTYAs4iyQfkzdZ13VmFb0rUL0pOPIn6NQkxIDSuem1nJw0+opv4C9v+Yty34QJDmBx5M8FsRxx4Ln6boBw20FgP1pVplphZtEt3Ah/LsLgTjZawCTAygvxyrP15pJbnL4ESEOJJ/jPj4bbtXQTeZCXYwnUJoE0td/z+0Q= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1709112804; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:Reply-To:References:Sender:Subject:Subject:To:To:Message-Id; bh=r2v8RQwDgySTh/taHWfZK8WzRFwK3hB0n+sY8tHshNg=; b=ZLRnHTjuD1YmRANVpCyMgLEdAZNeUdLFyq/K+HLvXuXlCxzEk7cr7syVQly1X3Japxv/xhFoTnitrXS0e2FsM1sa2q9m9tTK/URc/6dHCIrSoO6/oy6Tm8ugDz3n4omm+Hk1sU1FyGF1k5p752EOravK/4JIDAbme8ueMWxSFkg= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1709112804684853.196517592991; Wed, 28 Feb 2024 01:33:24 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rfGHa-0001CA-Jo; Wed, 28 Feb 2024 04:31:22 -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 1rfGHL-00011U-RE; Wed, 28 Feb 2024 04:31:09 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rfGHJ-0001fj-K2; Wed, 28 Feb 2024 04:31:07 -0500 Received: from mail.maildlp.com (unknown [172.19.88.214]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4Tl8Dc2K8Wz1h0wX; Wed, 28 Feb 2024 17:28:48 +0800 (CST) Received: from kwepemi500008.china.huawei.com (unknown [7.221.188.139]) by mail.maildlp.com (Postfix) with ESMTPS id 178BB1A016C; Wed, 28 Feb 2024 17:31:03 +0800 (CST) Received: from huawei.com (10.67.174.55) by kwepemi500008.china.huawei.com (7.221.188.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.35; Wed, 28 Feb 2024 17:31:02 +0800 To: , , , , , , CC: Subject: [RFC PATCH v4 15/22] hw/intc/arm_gicv3: Implement GICD_INMIR Date: Wed, 28 Feb 2024 09:29:39 +0000 Message-ID: <20240228092946.1768728-16-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240228092946.1768728-1-ruanjinjie@huawei.com> References: <20240228092946.1768728-1-ruanjinjie@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.67.174.55] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To kwepemi500008.china.huawei.com (7.221.188.139) Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=45.249.212.191; envelope-from=ruanjinjie@huawei.com; helo=szxga05-in.huawei.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: , Reply-to: Jinjie Ruan From: Jinjie Ruan via Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1709112805807100009 Content-Type: text/plain; charset="utf-8" Add GICD_INMIR, GICD_INMIRnE register and support access GICD_INMIR0. Signed-off-by: Jinjie Ruan Reviewed-by: Richard Henderson --- v4: - Make the GICD_INMIR implementation more clearer. - Udpate the commit message. v3: - Add Reviewed-by. --- hw/intc/arm_gicv3_dist.c | 34 ++++++++++++++++++++++++++++++++++ hw/intc/gicv3_internal.h | 2 ++ 2 files changed, 36 insertions(+) diff --git a/hw/intc/arm_gicv3_dist.c b/hw/intc/arm_gicv3_dist.c index 35e850685c..9739404e35 100644 --- a/hw/intc/arm_gicv3_dist.c +++ b/hw/intc/arm_gicv3_dist.c @@ -89,6 +89,29 @@ static int gicd_ns_access(GICv3State *s, int irq) return extract32(s->gicd_nsacr[irq / 16], (irq % 16) * 2, 2); } =20 +static void gicd_write_bitmap_reg(GICv3State *s, MemTxAttrs attrs, + uint32_t *bmp, maskfn *maskfn, + int offset, uint32_t val) +{ + /* + * Helper routine to implement writing to a "set" register + * (GICD_INMIR, etc). + * Semantics implemented here: + * RAZ/WI for SGIs, PPIs, unimplemented IRQs + * Bits corresponding to Group 0 or Secure Group 1 interrupts RAZ/WI. + * offset should be the offset in bytes of the register from the start + * of its group. + */ + int irq =3D offset * 8; + + if (irq < GIC_INTERNAL || irq >=3D s->num_irq) { + return; + } + val &=3D mask_group_and_nsacr(s, attrs, maskfn, irq); + *gic_bmp_ptr32(bmp, irq) =3D val; + gicv3_update(s, irq, 32); +} + static void gicd_write_set_bitmap_reg(GICv3State *s, MemTxAttrs attrs, uint32_t *bmp, maskfn *maskfn, @@ -543,6 +566,11 @@ static bool gicd_readl(GICv3State *s, hwaddr offset, /* RAZ/WI since affinity routing is always enabled */ *data =3D 0; return true; + case GICD_INMIR ... GICD_INMIR + 0x7f: + *data =3D (!s->nmi_support) ? 0 : + gicd_read_bitmap_reg(s, attrs, s->superprio, NULL, + offset - GICD_INMIR); + return true; case GICD_IROUTER ... GICD_IROUTER + 0x1fdf: { uint64_t r; @@ -752,6 +780,12 @@ static bool gicd_writel(GICv3State *s, hwaddr offset, case GICD_SPENDSGIR ... GICD_SPENDSGIR + 0xf: /* RAZ/WI since affinity routing is always enabled */ return true; + case GICD_INMIR ... GICD_INMIR + 0x7f: + if (s->nmi_support) { + gicd_write_bitmap_reg(s, attrs, s->superprio, NULL, + offset - GICD_INMIR, value); + } + return true; case GICD_IROUTER ... GICD_IROUTER + 0x1fdf: { uint64_t r; diff --git a/hw/intc/gicv3_internal.h b/hw/intc/gicv3_internal.h index f35b7d2f03..a1fc34597e 100644 --- a/hw/intc/gicv3_internal.h +++ b/hw/intc/gicv3_internal.h @@ -52,6 +52,8 @@ #define GICD_SGIR 0x0F00 #define GICD_CPENDSGIR 0x0F10 #define GICD_SPENDSGIR 0x0F20 +#define GICD_INMIR 0x0F80 +#define GICD_INMIRnE 0x3B00 #define GICD_IROUTER 0x6000 #define GICD_IDREGS 0xFFD0 =20 --=20 2.34.1