From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 22 Aug 2024 13:57:45 +0200 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1sh6Rl-00CEnt-1j for lore@lore.pengutronix.de; Thu, 22 Aug 2024 13:57:45 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1sh6Rk-0005Bx-UE for lore@pengutronix.de; Thu, 22 Aug 2024 13:57:45 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=MLFYqlqwIkF/LpqKretgeUEG31pqN/Xn6ZecV+ZyQoQ=; b=jpvIVAG31jnvgmiKhYvQi0yrA5 ckxY9VSAReVKJTiHbJ+SjsdEPTh5xBnM+UpUklIfX9nV0Q+Es1+MZ++3mtbXVOPSDo9vQaTIXbbmi Txs+raxfTnpdBqIN9a+yfdItXCMOjraFXJ6xmJZ6riBxcCFMxrrRk4lLMhv40jLy/y6uVyP1NF3Nw Nyk6Nn2EApqzFNM26mRdjl2iAAESHAIV6tYv+Gt+y5S0iLCmUeTeOIvCJW/VZxGWQj5m23GFSAzOt qgbQEuvgyeh3s9MM4JlChivnGNofZK3FYocTGKmktaQu2s+WPnPWRU1xA7EPUWULRlvYPZOsxFftF s7cbaiYg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sh6RH-0000000Cf98-2bCO; Thu, 22 Aug 2024 11:57:15 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sh6Qb-0000000Cf1v-3em5 for barebox@lists.infradead.org; Thu, 22 Aug 2024 11:56:35 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1sh6Qa-0004r2-96; Thu, 22 Aug 2024 13:56:32 +0200 Received: from [2a0a:edc0:0:1101:1d::54] (helo=dude05.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1sh6QZ-002Exi-SY; Thu, 22 Aug 2024 13:56:31 +0200 Received: from localhost ([::1] helo=dude05.red.stw.pengutronix.de) by dude05.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1sh6QZ-004xz1-2Y; Thu, 22 Aug 2024 13:56:31 +0200 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Thu, 22 Aug 2024 13:56:30 +0200 Message-Id: <20240822115630.1183874-1-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240822_045633_926404_6C3DE18F X-CRM114-Status: GOOD ( 10.29 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.2 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH master] ARM: semihosting: use svc instead of incorrect bkpt in DEBUG_LL X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) The semihosting DEBUG_LL support was tested on ARM64. Trying it out on ARM32 leads to a hanging system, because the DEBUG_LL handler used the wrong instruction (breakpoint) instead of what the normal semihosting implementation uses (supervisor call). Signed-off-by: Ahmad Fatoum --- arch/arm/include/asm/semihosting.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/include/asm/semihosting.h b/arch/arm/include/asm/semihosting.h index 2219e858d040..bdfe472eedc0 100644 --- a/arch/arm/include/asm/semihosting.h +++ b/arch/arm/include/asm/semihosting.h @@ -27,8 +27,8 @@ static inline void semihosting_putc(void *unused, int c) "push {%0}\n" "mov r1, sp\n" "mov r0, #0x03\n" - ARM( "bkpt #0x123456\n") - THUMB( "bkpt #0xAB\n") + ARM( "svc #0x123456\n") + THUMB( "svc #0xAB\n") "pop {%0}\n" : /* No outputs */ : "r" (c) -- 2.39.2