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[176.184.4.239]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4256af5a3b0sm17938285e9.13.2024.06.27.21.54.25 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Thu, 27 Jun 2024 21:54:26 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Luc Michel , Francisco Iglesias , =?utf-8?q?C=C3=A9dric_Le_G?= =?utf-8?q?oater?= , Sai Pavan Boddu , Joel Stanley , Bin Meng , qemu-block@nongnu.org, =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Subject: [PATCH 11/12] hw/sd/sdcard: Remove default case in read/write on DAT lines Date: Fri, 28 Jun 2024 06:53:22 +0200 Message-ID: <20240628045323.86308-10-philmd@linaro.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20240627164815.82606-1-philmd@linaro.org> References: <20240627164815.82606-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::332; envelope-from=philmd@linaro.org; helo=mail-wm1-x332.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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.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 --- 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 0a7b422b2c..64621d4340 100644 --- a/hw/sd/sd.c +++ b/hw/sd/sd.c @@ -1951,7 +1951,6 @@ 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); } @@ -2016,6 +2015,8 @@ send_response: qemu_hexdump(stderr, "Response", response, rsplen); #endif + sd->current_cmd = rtype == sd_illegal ? 0 : req->cmd; + return rsplen; } @@ -2171,8 +2172,7 @@ 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(); } } @@ -2238,8 +2238,7 @@ 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;