From nobody Tue Oct 22 23:29:34 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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=yeah.net ARC-Seal: i=1; a=rsa-sha256; t=1728300372; cv=none; d=zohomail.com; s=zohoarc; b=BGbRwJZWaD1KHVLXMmypGshFduDZvml2Uk3RYZK0ASfaQqOScqyY1eb2EFHUKkMnUCXpoFtJKATobziPukHMV702UEJRHkCGkJNe3oZlPatLEsTKNLbpOv9Qc4RDjs19HHNoU+KyXc6yJiNYh8Mv5L6szC2KGGoJ0I/K/XLGUs8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1728300372; h=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:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=j9pJUIL6fKrBSqTBFRkUPOcDY6roUesYrjXNJwRS7xc=; b=VBCb44s2UpglQcfsbKKwOSr326H/KZJdcGjUkjMSgnMoEZd58P/fF2TYQhCawo/qjRL/3VwxfWFc/tiB4LMuCL2MaYeENb86MIq/GHUVdW8XWWcJgSxf5eq0Op808ADQIUS4CxcCsWgJwj81cPfSsp7j8S2LQLwfDzYEdyw+3jQ= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; 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 1728300372439462.3368029584766; Mon, 7 Oct 2024 04:26:12 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sxlrg-0007KQ-OF; Mon, 07 Oct 2024 07:25:24 -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 1sxlrd-0007Ja-6P for qemu-devel@nongnu.org; Mon, 07 Oct 2024 07:25:21 -0400 Received: from mail-m16.yeah.net ([1.95.21.15]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sxlra-00017V-Ev for qemu-devel@nongnu.org; Mon, 07 Oct 2024 07:25:20 -0400 Received: from localhost.localdomain (unknown []) by gzsmtp3 (Coremail) with SMTP id M88vCgAnSOcMxQNnGGjGAQ--.32547S3; Mon, 07 Oct 2024 19:25:00 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yeah.net; s=s110527; h=From:Subject:Date:Message-ID:MIME-Version; bh=j9pJU IL6fKrBSqTBFRkUPOcDY6roUesYrjXNJwRS7xc=; b=o7ecrapbAByWxyvgPVqQw rJyjCClbj4NuQu5KVUIZ3tM65wP55IG3J/sugXR9mxufgY/O53jglfY3LQe1BN6+ +1O3pYsizM4PP1ct4BKVBmJE91YTNs9oUalyZW823dJUl8lOLkG5MsWWjV/bnGbh hdEhLb4eWA2/vGI2Be8/QY= From: Chao Liu To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, bin.meng@windriver.com, edgar.iglesias@gmail.com, alistair@alistair23.me, Chao Liu Subject: [PATCH v4 1/3] xilink_zynq: Add various missing unimplemented devices Date: Mon, 7 Oct 2024 19:24:53 +0800 Message-ID: <211e7645ae2c04c361345514655c1ba0d4e10488.1728299530.git.chao.liu@yeah.net> X-Mailer: git-send-email 2.46.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: M88vCgAnSOcMxQNnGGjGAQ--.32547S3 X-Coremail-Antispam: 1Uf129KBjvJXoWxWw15Xr48Kw17KryUKry3urg_yoWruF15pF 4rCFZ8KrW8KrsrZ3yIgrn7XFyaqw1rAas8uw1fA3yUWFWqkr93WrnYy3WfJF9xXayqq3W3 Xw17AF45Gw1UKaUanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x07j8wIDUUUUU= X-Originating-IP: [112.19.146.115] X-CM-SenderInfo: pfkd0hxolxq5hhdkh0dhw/1tbiEQpxKGcDw+gCTwABsB 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=1.95.21.15; envelope-from=chao.liu@yeah.net; helo=mail-m16.yeah.net 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, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, UNPARSEABLE_RELAY=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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @yeah.net) X-ZM-MESSAGEID: 1728300373521116600 Content-Type: text/plain; charset="utf-8" Add xilinx zynq board memory mapping is implemented in the device. Remove a ignore_memory_transaction_failures concurrently. See: ug585-Zynq-7000-TRM manual B.3 (Module Summary) Signed-off-by: Chao Liu --- hw/arm/xilinx_zynq.c | 71 +++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 70 insertions(+), 1 deletion(-) diff --git a/hw/arm/xilinx_zynq.c b/hw/arm/xilinx_zynq.c index 37c234f5ab..ca21b313b7 100644 --- a/hw/arm/xilinx_zynq.c +++ b/hw/arm/xilinx_zynq.c @@ -34,6 +34,7 @@ #include "hw/net/cadence_gem.h" #include "hw/cpu/a9mpcore.h" #include "hw/qdev-clock.h" +#include "hw/misc/unimp.h" #include "sysemu/reset.h" #include "qom/object.h" #include "exec/tswap.h" @@ -373,6 +374,75 @@ static void zynq_init(MachineState *machine) sysbus_connect_irq(busdev, 0, pic[40 - IRQ_OFFSET]); sysbus_mmio_map(busdev, 0, 0xF8007000); =20 + /* + * Refer to the ug585-Zynq-7000-TRM manual B.3 (Module Summary) and + * the zynq-7000.dtsi. Add placeholders for unimplemented devices. + */ + create_unimplemented_device("zynq.i2c0", 0xE0004000, 4 * KiB); + create_unimplemented_device("zynq.i2c1", 0xE0005000, 4 * KiB); + create_unimplemented_device("zynq.can0", 0xE0008000, 4 * KiB); + create_unimplemented_device("zynq.can1", 0xE0009000, 4 * KiB); + create_unimplemented_device("zynq.gpio", 0xE000A000, 4 * KiB); + create_unimplemented_device("zynq.smcc", 0xE000E000, 4 * KiB); + + /* Direct Memory Access Controller, PL330, Non-Secure Mode */ + create_unimplemented_device("zynq.dma_ns", 0xF8004000, 4 * KiB); + + /* System Watchdog Timer Registers */ + create_unimplemented_device("zynq.swdt", 0xF8005000, 4 * KiB); + + /* DDR memory controller */ + create_unimplemented_device("zynq.ddrc", 0xF8006000, 4 * KiB); + + /* AXI_HP Interface (AFI) */ + create_unimplemented_device("zynq.axi_hp0", 0xF8008000, 0x28); + create_unimplemented_device("zynq.axi_hp1", 0xF8009000, 0x28); + create_unimplemented_device("zynq.axi_hp2", 0xF800A000, 0x28); + create_unimplemented_device("zynq.axi_hp3", 0xF800B000, 0x28); + + create_unimplemented_device("zynq.efuse", 0xF800d000, 0x20); + + /* Embedded Trace Buffer */ + create_unimplemented_device("zynq.etb", 0xF8801000, 4 * KiB); + + /* Cross Trigger Interface, ETB and TPIU */ + create_unimplemented_device("zynq.cti_etb_tpiu", 0xF8802000, 4 * KiB); + + /* Trace Port Interface Unit */ + create_unimplemented_device("zynq.tpiu", 0xF8803000, 4 * KiB); + + /* CoreSight Trace Funnel */ + create_unimplemented_device("zynq.funnel", 0xF8804000, 4 * KiB); + + /* Instrumentation Trace Macrocell */ + create_unimplemented_device("zynq.itm", 0xF8805000, 4 * KiB); + + /* Cross Trigger Interface, FTM */ + create_unimplemented_device("zynq.cti_ftm", 0xF8809000, 4 * KiB); + + /* Fabric Trace Macrocell */ + create_unimplemented_device("zynq.ftm", 0xF880B000, 4 * KiB); + + /* Cortex A9 Performance Monitoring Unit, CPU */ + create_unimplemented_device("cortex-a9.pmu0", 0xF8891000, 4 * KiB); + create_unimplemented_device("cortex-a9.pmu1", 0xF8893000, 4 * KiB); + + /* Cross Trigger Interface, CPU */ + create_unimplemented_device("zynq.cpu_cti0", 0xF8898000, 4 * KiB); + create_unimplemented_device("zynq.cpu_cti1", 0xF8899000, 4 * KiB); + + /* CoreSight PTM-A9, CPU */ + create_unimplemented_device("cortex-a9.ptm0", 0xF889c000, 4 * KiB); + create_unimplemented_device("cortex-a9.ptm1", 0xF889d000, 4 * KiB); + + /* AMBA NIC301 TrustZone */ + create_unimplemented_device("zynq.trustZone", 0xF8900000, 0x20); + + /* AMBA Network Interconnect Advanced Quality of Service (QoS-301) */ + create_unimplemented_device("zynq.qos301_cpu", 0xF8946000, 0x130); + create_unimplemented_device("zynq.qos301_dmac", 0xF8947000, 0x130); + create_unimplemented_device("zynq.qos301_iou", 0xF8948000, 0x130); + zynq_binfo.ram_size =3D machine->ram_size; zynq_binfo.board_id =3D 0xd32; zynq_binfo.loader_start =3D 0; @@ -394,7 +464,6 @@ static void zynq_machine_class_init(ObjectClass *oc, vo= id *data) mc->init =3D zynq_init; mc->max_cpus =3D ZYNQ_MAX_CPUS; mc->no_sdcard =3D 1; - mc->ignore_memory_transaction_failures =3D true; mc->valid_cpu_types =3D valid_cpu_types; mc->default_ram_id =3D "zynq.ext_ram"; prop =3D object_class_property_add_str(oc, "boot-mode", NULL, --=20 2.46.1 From nobody Tue Oct 22 23:29:34 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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=yeah.net ARC-Seal: i=1; a=rsa-sha256; t=1728300372; cv=none; d=zohomail.com; s=zohoarc; b=XAr5J9JqhFG6UO72AatmrSsxfQl0Wq8UavmTWUWsPe5U2/2lA0YeGM/SGlV1reScSFq66rWOsS/fdA/ew51+17mTz51bKVRztUsRpuQ3cgJqzPbvgHQI3IUfvnnK0MVs8SWcFKAe5mwFBMHJTLntYrqY8i3ouiJHAi1KY0Qc5G0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1728300372; h=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:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; 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Mon, 07 Oct 2024 07:25:21 -0400 Received: from mail-m16.yeah.net ([220.197.32.19]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sxlra-00017L-BC for qemu-devel@nongnu.org; Mon, 07 Oct 2024 07:25:20 -0400 Received: from localhost.localdomain (unknown []) by gzsmtp3 (Coremail) with SMTP id M88vCgAnSOcMxQNnGGjGAQ--.32547S4; Mon, 07 Oct 2024 19:25:00 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yeah.net; s=s110527; h=From:Subject:Date:Message-ID:MIME-Version; bh=j8JGe VrEPqzdZxC+Tmy1C79Dx7GTnRrE5+UzOdK9WWU=; b=D9D7UQiL1MKUK0zsTV4L5 MwLjd/UVnv+F47ovKjRKkNjTmgqQ6Atl5/WnrlE+/NU7L6/XMfJBu9nJ2Iv48kx7 7/83nx8Pu4DKATETrXqVJ8swON6Z+Xeo2XmlflURwgUdu9x+96LAxE1Ww6lJTyMQ 61w+8pu8KrzW+mrW9HSJac= From: Chao Liu To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, bin.meng@windriver.com, edgar.iglesias@gmail.com, alistair@alistair23.me, Chao Liu Subject: [PATCH v4 2/3] xilink-zynq-devcfg: Fix up for memory address range size not set correctly Date: Mon, 7 Oct 2024 19:24:54 +0800 Message-ID: X-Mailer: git-send-email 2.46.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: M88vCgAnSOcMxQNnGGjGAQ--.32547S4 X-Coremail-Antispam: 1Uf129KBjvJXoWrZw17Zw1fKr1kAFyxAFy7Wrg_yoW8Jry3pF n8XFnavrW8tr1kA3ZxK3WxK3W5Za4DKa18G347Jas0yF13JryxZFy8X3ZrKasF9rZ3JF40 gFZrZFWayrZ3XrDanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x07jSAp5UUUUU= X-Originating-IP: [112.19.146.115] X-CM-SenderInfo: pfkd0hxolxq5hhdkh0dhw/1tbiEg1xKGcDw+8CSQAAsF 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=220.197.32.19; envelope-from=chao.liu@yeah.net; helo=mail-m16.yeah.net 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, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, UNPARSEABLE_RELAY=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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @yeah.net) X-ZM-MESSAGEID: 1728300373354116600 Content-Type: text/plain; charset="utf-8" Signed-off-by: Chao Liu --- hw/dma/xlnx-zynq-devcfg.c | 2 +- include/hw/dma/xlnx-zynq-devcfg.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/hw/dma/xlnx-zynq-devcfg.c b/hw/dma/xlnx-zynq-devcfg.c index b8544d0731..e5eff9abc0 100644 --- a/hw/dma/xlnx-zynq-devcfg.c +++ b/hw/dma/xlnx-zynq-devcfg.c @@ -365,7 +365,7 @@ static void xlnx_zynq_devcfg_init(Object *obj) =20 sysbus_init_irq(sbd, &s->irq); =20 - memory_region_init(&s->iomem, obj, "devcfg", XLNX_ZYNQ_DEVCFG_R_MAX * = 4); + memory_region_init(&s->iomem, obj, "devcfg", XLNX_ZYNQ_DEVCFG_R_MAX); reg_array =3D register_init_block32(DEVICE(obj), xlnx_zynq_devcfg_regs_info, ARRAY_SIZE(xlnx_zynq_devcfg_regs_info), diff --git a/include/hw/dma/xlnx-zynq-devcfg.h b/include/hw/dma/xlnx-zynq-d= evcfg.h index e4cf085d70..fc26132069 100644 --- a/include/hw/dma/xlnx-zynq-devcfg.h +++ b/include/hw/dma/xlnx-zynq-devcfg.h @@ -35,7 +35,7 @@ =20 OBJECT_DECLARE_SIMPLE_TYPE(XlnxZynqDevcfg, XLNX_ZYNQ_DEVCFG) =20 -#define XLNX_ZYNQ_DEVCFG_R_MAX (0x100 / 4) +#define XLNX_ZYNQ_DEVCFG_R_MAX 0x100 =20 #define XLNX_ZYNQ_DEVCFG_DMA_CMD_FIFO_LEN 10 =20 --=20 2.46.1 From nobody Tue Oct 22 23:29:34 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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=yeah.net ARC-Seal: i=1; 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d=yeah.net; s=s110527; h=From:Subject:Date:Message-ID:MIME-Version; bh=QHbPa lvgpRBsIV4AzKxJkAd/59RTOeVHtbo41YQVKiY=; b=F1cZIgRuKCtf+GQyG/J7v N3Q1kFXcNCq02DmbVD8ZQPNk9SbFOuI3ysjqv+I9WxwG89DGDEiXbVBQTHQDq9eu 4fpKcjZTQtRUXcPOZW0UjzTbLh6+Okb0L6ugHr0JF6jsltyBQseKfkB+rufrTPfA J38dWu90g9DO+amBYeu19M= From: Chao Liu To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, bin.meng@windriver.com, edgar.iglesias@gmail.com, alistair@alistair23.me, Chao Liu Subject: [PATCH v4 3/3] xilink-zynq-devcfg: Avoid disabling devcfg memory region during initialization Date: Mon, 7 Oct 2024 19:24:55 +0800 Message-ID: X-Mailer: git-send-email 2.46.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: M88vCgAnSOcMxQNnGGjGAQ--.32547S5 X-Coremail-Antispam: 1Uf129KBjvdXoWrKw1xZFW8GrW8tw43GFWkXrb_yoWktrg_Ca yFkF93ursxAw1Syas0yr1qyryfuw4vvr10gFn7t3s3tFyUWrsxGrsYy3ZYqw1kX3y5Arsx Za4jkFnxAa13ujkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IU87l1PUUUUU== X-Originating-IP: [112.19.146.115] X-CM-SenderInfo: pfkd0hxolxq5hhdkh0dhw/1tbiERNxKGcDw+gCUgAAsE 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=220.197.32.17; envelope-from=chao.liu@yeah.net; helo=mail-m16.yeah.net 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, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, UNPARSEABLE_RELAY=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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @yeah.net) X-ZM-MESSAGEID: 1728300373568116600 Content-Type: text/plain; charset="utf-8" During the initialization phase, we've encountered an issue where the UNLOCK register is inadvertently cleared. This results in devcfg MR being disabled, which in turn leads to unexpected memory access exceptions when attempting subsequent accesses to the devcfg register. This behavior is not consistent with the hardware specifications. This bug was not found earlier because the ignore_memory_transaction_failur= es flag was enabled, which ignored exceptions from devcfg devices when access was disabled. Signed-off-by: Chao Liu --- hw/dma/xlnx-zynq-devcfg.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/hw/dma/xlnx-zynq-devcfg.c b/hw/dma/xlnx-zynq-devcfg.c index e5eff9abc0..af8cc72471 100644 --- a/hw/dma/xlnx-zynq-devcfg.c +++ b/hw/dma/xlnx-zynq-devcfg.c @@ -144,7 +144,12 @@ static void xlnx_zynq_devcfg_reset(DeviceState *dev) int i; =20 for (i =3D 0; i < XLNX_ZYNQ_DEVCFG_R_MAX; ++i) { - register_reset(&s->regs_info[i]); + if (s->regs_info[i].access) { + if (s->regs_info[i].access->addr =3D=3D A_UNLOCK) { + continue; + } + register_reset(&s->regs_info[i]); + } } } =20 --=20 2.46.1