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Fri, 06 Nov 2020 18:55:10 +0100 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 1A9E4100034; Fri, 6 Nov 2020 18:55:10 +0100 (CET) Received: from Webmail-eu.st.com (sfhdag2node3.st.com [10.75.127.6]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 0A3702150F7; Fri, 6 Nov 2020 18:55:10 +0100 (CET) Received: from localhost (10.75.127.46) by SFHDAG2NODE3.st.com (10.75.127.6) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Fri, 6 Nov 2020 18:55:09 +0100 From: Patrick Delaunay To: CC: Patrick Delaunay , Simon Glass , U-Boot STM32 Subject: [PATCH 2/3] log: use debug uart to output trace before LOG init Date: Fri, 6 Nov 2020 18:53:38 +0100 Message-ID: <20201106175339.30683-2-patrick.delaunay@st.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201106175339.30683-1-patrick.delaunay@st.com> References: <20201106175339.30683-1-patrick.delaunay@st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.46] X-ClientProxiedBy: SFHDAG1NODE3.st.com (10.75.127.3) To SFHDAG2NODE3.st.com (10.75.127.6) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.312, 18.0.737 definitions=2020-11-06_06:2020-11-05, 2020-11-06 signatures=0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.102.3 at phobos.denx.de X-Virus-Status: Clean Use the debug uart functions to output the traces before the log initialization (when CONFIG_LOG is not activated) as it is done in puts/putc function in console.c. This patch allows to display the first U-Boot traces (with macro debug) when CONFIG_DEBUG_UART is activated and not only drop them. For example for traces in board_f.c requested by the macro debug, when LOG_DEBUG is defined and CONFIG_LOG is activated. Signed-off-by: Patrick Delaunay Reviewed-by: Simon Glass --- common/log.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/common/log.c b/common/log.c index aadf533fb2..aa5505943f 100644 --- a/common/log.c +++ b/common/log.c @@ -7,6 +7,7 @@ */ #include +#include #include #include #include @@ -245,6 +246,16 @@ int _log(enum log_category_t cat, enum log_level_t level, const char *file, if (!(gd->flags & GD_FLG_LOG_READY)) { gd->log_drop_count++; + + /* manage droppped trace at default level with debug uart */ + if (IS_ENABLED(CONFIG_DEBUG_UART) && + (rec.level <= CONFIG_LOG_DEFAULT_LEVEL || rec.force_debug)) { + va_start(args, fmt); + vsnprintf(buf, sizeof(buf), fmt, args); + printascii(buf); + va_end(args); + } + return -ENOSYS; } va_start(args, fmt);