From patchwork Fri Aug 25 17:51:22 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Huth X-Patchwork-Id: 1826240 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=aEMgEbLI; dkim-atps=neutral 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 4RXSGH50Ryz1yZs for ; Sat, 26 Aug 2023 03:52:39 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qZayD-0005M5-05; Fri, 25 Aug 2023 13:51:41 -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 1qZayB-0005Lv-Ue for qemu-devel@nongnu.org; Fri, 25 Aug 2023 13:51:39 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qZay9-0000kN-QO for qemu-devel@nongnu.org; Fri, 25 Aug 2023 13:51:39 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1692985896; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=HhoHjczvmdxo+GXe0dtUlDRMabBbHFNBo9Dag2DJ49k=; b=aEMgEbLIHDMmNtc7EY+ZQX7PAbesKTLQV6kE2jcPTQKLjaWzpZVjgV7fl0oaqY96QkuocG YEAl6tU52/2CWete6yklRz9l3OGVt/ga5a/l6O50fMcWE8EkrZIQWop4ovJNKO9EFq0/gz wm4xvyemqIMqqvG5qEI+2s2O9JT2Boo= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-663-KX837bYyM0Sfi6ftAxNS7A-1; Fri, 25 Aug 2023 13:51:32 -0400 X-MC-Unique: KX837bYyM0Sfi6ftAxNS7A-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id E9CAE8030B1; Fri, 25 Aug 2023 17:51:31 +0000 (UTC) Received: from thuth.com (unknown [10.39.192.97]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8070C6B2B6; Fri, 25 Aug 2023 17:51:30 +0000 (UTC) From: Thomas Huth To: qemu-devel@nongnu.org, =?utf-8?q?Herv=C3=A9_Poussineau?= , Aleksandar Rikalo , =?utf-8?q?Philippe_Mathie?= =?utf-8?q?u-Daud=C3=A9?= Cc: Jiaxun Yang , qemu-trivial@nongnu.org Subject: [PATCH 2/3] hw/mips/jazz: Move the NIC init code into a separate function Date: Fri, 25 Aug 2023 19:51:22 +0200 Message-Id: <20230825175123.624114-3-thuth@redhat.com> In-Reply-To: <20230825175123.624114-1-thuth@redhat.com> References: <20230825175123.624114-1-thuth@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.5 Received-SPF: pass client-ip=170.10.129.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com 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, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, 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 The mips_jazz_init() function is already quite big, so moving away some code here can help to make it more understandable. Additionally, by moving this code into a separate function, the next patch (that will refactor the for-loop around the NIC init code) will be much shorter and easier to understand. Signed-off-by: Thomas Huth --- hw/mips/jazz.c | 62 ++++++++++++++++++++++++++++---------------------- 1 file changed, 35 insertions(+), 27 deletions(-) diff --git a/hw/mips/jazz.c b/hw/mips/jazz.c index 358bb6f74f..a95a1bd743 100644 --- a/hw/mips/jazz.c +++ b/hw/mips/jazz.c @@ -114,6 +114,40 @@ static const MemoryRegionOps dma_dummy_ops = { .endianness = DEVICE_NATIVE_ENDIAN, }; +static void mips_jazz_init_net(NICInfo *nd, IOMMUMemoryRegion *rc4030_dma_mr, + DeviceState *rc4030, MemoryRegion *dp8393x_prom) +{ + DeviceState *dev; + SysBusDevice *sysbus; + int checksum, i; + uint8_t *prom; + + qemu_check_nic_model(nd, "dp83932"); + + dev = qdev_new("dp8393x"); + qdev_set_nic_properties(dev, nd); + qdev_prop_set_uint8(dev, "it_shift", 2); + qdev_prop_set_bit(dev, "big_endian", target_words_bigendian()); + object_property_set_link(OBJECT(dev), "dma_mr", + OBJECT(rc4030_dma_mr), &error_abort); + sysbus = SYS_BUS_DEVICE(dev); + sysbus_realize_and_unref(sysbus, &error_fatal); + sysbus_mmio_map(sysbus, 0, 0x80001000); + sysbus_connect_irq(sysbus, 0, qdev_get_gpio_in(rc4030, 4)); + + /* Add MAC address with valid checksum to PROM */ + prom = memory_region_get_ram_ptr(dp8393x_prom); + checksum = 0; + for (i = 0; i < 6; i++) { + prom[i] = nd->macaddr.a[i]; + checksum += prom[i]; + if (checksum > 0xff) { + checksum = (checksum + 1) & 0xff; + } + } + prom[7] = 0xff - checksum; +} + #define MAGNUM_BIOS_SIZE_MAX 0x7e000 #define MAGNUM_BIOS_SIZE \ (BIOS_SIZE < MAGNUM_BIOS_SIZE_MAX ? BIOS_SIZE : MAGNUM_BIOS_SIZE_MAX) @@ -287,33 +321,7 @@ static void mips_jazz_init(MachineState *machine, nd->model = g_strdup("dp83932"); } if (strcmp(nd->model, "dp83932") == 0) { - int checksum, i; - uint8_t *prom; - - qemu_check_nic_model(nd, "dp83932"); - - dev = qdev_new("dp8393x"); - qdev_set_nic_properties(dev, nd); - qdev_prop_set_uint8(dev, "it_shift", 2); - qdev_prop_set_bit(dev, "big_endian", target_words_bigendian()); - object_property_set_link(OBJECT(dev), "dma_mr", - OBJECT(rc4030_dma_mr), &error_abort); - sysbus = SYS_BUS_DEVICE(dev); - sysbus_realize_and_unref(sysbus, &error_fatal); - sysbus_mmio_map(sysbus, 0, 0x80001000); - sysbus_connect_irq(sysbus, 0, qdev_get_gpio_in(rc4030, 4)); - - /* Add MAC address with valid checksum to PROM */ - prom = memory_region_get_ram_ptr(dp8393x_prom); - checksum = 0; - for (i = 0; i < 6; i++) { - prom[i] = nd->macaddr.a[i]; - checksum += prom[i]; - if (checksum > 0xff) { - checksum = (checksum + 1) & 0xff; - } - } - prom[7] = 0xff - checksum; + mips_jazz_init_net(nd, rc4030_dma_mr, rc4030, dp8393x_prom); break; } else if (is_help_option(nd->model)) { error_report("Supported NICs: dp83932");