From patchwork Fri Jul 5 22:04:30 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 13725568 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 CDF48C3271E for ; Fri, 5 Jul 2024 22:06:03 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sPr3q-0004b0-9Q; Fri, 05 Jul 2024 18:05:46 -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 1sPr3o-0004WX-UD for qemu-devel@nongnu.org; Fri, 05 Jul 2024 18:05:44 -0400 Received: from mail-lj1-x232.google.com ([2a00:1450:4864:20::232]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sPr3n-0007kI-Ae for qemu-devel@nongnu.org; Fri, 05 Jul 2024 18:05:44 -0400 Received: by mail-lj1-x232.google.com with SMTP id 38308e7fff4ca-2ebe40673d8so25813021fa.3 for ; Fri, 05 Jul 2024 15:05:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1720217141; x=1720821941; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=h1jfIIRixH/o9kg5Ph3jE8g2N5lQ7LfdnVdUl4+XtOc=; b=WhW/yklyoExYYGpH6HetoLIDCKF2J5yLSKXAutbjpLeQ10YF0F+lLSNAnKTQj4o6po nIzNsbiWZesDW2HFZo61kqcuk70/m1l4qMGtxfP5Vm2+Ug77nFxvj5MLrbeGTb/aLq7J EBWWZ2d7U177xDpu8lVfpxCJi8MozLniIcHIY0ktvW/FkeKlteqE+NB3Z6L3BULy0pRK HKzDl/RZtsIgeEn8qDOFcpEr8YtfCqWyLWSWDRBroLYUghmA6W3+j7TGeWbVbI8nx5nl vugGD/LY8gbGmXd5hD83Fnr5hQqNQ3RYao2AbJT6kfu1fVgD6eb20wVKz8X7I/Sle5Nr jjAQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1720217141; x=1720821941; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=h1jfIIRixH/o9kg5Ph3jE8g2N5lQ7LfdnVdUl4+XtOc=; b=EnE70VakZF/zH1vjxjv45Q2tr5pfvuNACUjyb+VU21LCRCxSwYmAtwbN3iXhZuf4xi OwUrnA1Uc7vz/ZVqpVpEQMk9kqYtDwOtEmjKfhO3GnER6Rjq8tFA+Lt7rLmsUyUr8Ws2 jThKXn7LK6tk2iOsuzroM79g0IsXDf+9QYYeGZ+XaAV1hrbB2TKBu+F3MgfjXVAeYwEc UL8gCKTT/vH2x3tuEnYQHzneVkUD6fl8YO76whwDOz+eN+4xoTy2/wKcZAPfOIWhV9Eg rPZVjKmCJ1Edv7ZrqpaMJIArUIrF2JLWK9TgUQysa+dbSl40buFapYDikTGZTYdKA8ci rjuQ== X-Gm-Message-State: AOJu0Yzr8o3OLoF+TEcJl61GcfWKuO7shzZcVPXRtQQDfrxQl8EJx2Lg U6CwYqGCD17zsemPLHC04YAwFrYcbj8COXn1s7hD6weVrdGASNojH2Noavuvlsk8OlJhc4ZaXwg i X-Google-Smtp-Source: AGHT+IH6Bkuz1Ip4Fu2EbV+7A8VHZV4fZOS1RGmI8WbH0LK4N0zELBAIy028Yg5s/mPBYjcAEZQlxA== X-Received: by 2002:a2e:b049:0:b0:2ec:56d2:de6e with SMTP id 38308e7fff4ca-2ee8edf1be2mr39205461fa.46.1720217140899; Fri, 05 Jul 2024 15:05:40 -0700 (PDT) Received: from m1x-phil.lan ([176.176.163.129]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4264a1e727asm74016985e9.18.2024.07.05.15.05.39 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Fri, 05 Jul 2024 15:05:40 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , =?utf-8?q?C?= =?utf-8?q?=C3=A9dric_Le_Goater?= , Andrew Jeffery Subject: [PULL 12/16] hw/sd/sdcard: Remove default case in read/write on DAT lines Date: Sat, 6 Jul 2024 00:04:30 +0200 Message-ID: <20240705220435.15415-13-philmd@linaro.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20240705220435.15415-1-philmd@linaro.org> References: <20240705220435.15415-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::232; envelope-from=philmd@linaro.org; helo=mail-lj1-x232.google.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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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 All read/write on DAT lines are explicitly handled. Reaching this point would be a programming error: replace by an assertion. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Cédric Le Goater Tested-by: Andrew Jeffery Tested-by: Cédric Le Goater Message-Id: <20240628070216.92609-79-philmd@linaro.org> --- hw/sd/sd.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/hw/sd/sd.c b/hw/sd/sd.c index bc1a574b62..3f495f91fe 100644 --- a/hw/sd/sd.c +++ b/hw/sd/sd.c @@ -1949,7 +1949,6 @@ int sd_do_command(SDState *sd, SDRequest *req, /* Valid command, we can update the 'state before command' bits. * (Do this now so they appear in r1 responses.) */ - sd->current_cmd = req->cmd; sd->card_status = FIELD_DP32(sd->card_status, CSR, CURRENT_STATE, last_state); } @@ -2014,6 +2013,8 @@ send_response: qemu_hexdump(stderr, "Response", response, rsplen); #endif + sd->current_cmd = rtype == sd_illegal ? 0 : req->cmd; + return rsplen; } @@ -2167,8 +2168,7 @@ void sd_write_byte(SDState *sd, uint8_t value) break; default: - qemu_log_mask(LOG_GUEST_ERROR, "%s: unknown command\n", __func__); - break; + g_assert_not_reached(); } } @@ -2234,8 +2234,7 @@ uint8_t sd_read_byte(SDState *sd) break; default: - qemu_log_mask(LOG_GUEST_ERROR, "%s: unknown command\n", __func__); - return 0x00; + g_assert_not_reached(); } return ret;