From mboxrd@z Thu Jan 1 00:00:00 1970 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 phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EFEFAC6FA82 for ; Thu, 22 Sep 2022 09:03:54 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 57F1B84CB9; Thu, 22 Sep 2022 11:03:53 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=none (p=none dis=none) header.from=andestech.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Received: by phobos.denx.de (Postfix, from userid 109) id AAB5784CB9; Thu, 22 Sep 2022 11:03:52 +0200 (CEST) Received: from Atcsqr.andestech.com (60-248-80-70.hinet-ip.hinet.net [60.248.80.70]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id F140A84CBA for ; Thu, 22 Sep 2022 11:03:49 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=none (p=none dis=none) header.from=andestech.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=ycliang@andestech.com Received: from mail.andestech.com (ATCPCS16.andestech.com [10.0.1.222]) by Atcsqr.andestech.com with ESMTP id 28M93U8b014186; Thu, 22 Sep 2022 17:03:30 +0800 (+08) (envelope-from ycliang@andestech.com) Received: from ubuntu01 (10.0.12.75) by ATCPCS16.andestech.com (10.0.1.222) with Microsoft SMTP Server id 14.3.498.0; Thu, 22 Sep 2022 17:03:26 +0800 Date: Thu, 22 Sep 2022 09:03:05 +0000 From: Leo Liang To: Kautuk Consul CC: Rayagonda Kokatanur , Sean Anderson , Rick Chen , Simon Glass , Heinrich Schuchardt , "Ilias Apalodimas" , Alexandru Gagniuc , Philippe Reynes , Rasmus Villemoes , Stefan Roese , Loic Poulain , Bin Meng , , Anup Patel Subject: Re: [PATCH v4 2/3] arch/riscv: add semihosting support for RISC-V Message-ID: References: <20220919114908.2780149-1-kconsul@ventanamicro.com> <20220919114908.2780149-3-kconsul@ventanamicro.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20220919114908.2780149-3-kconsul@ventanamicro.com> User-Agent: Mutt/2.0.5 (2021-01-21) X-Originating-IP: [10.0.12.75] X-DNSRBL: X-MAIL: Atcsqr.andestech.com 28M93U8b014186 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 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 0.103.6 at phobos.denx.de X-Virus-Status: Clean On Mon, Sep 19, 2022 at 05:19:07PM +0530, Kautuk Consul wrote: > We add RISC-V semihosting based serial console for JTAG based early > debugging. > > The RISC-V semihosting specification is available at: > https://github.com/riscv/riscv-semihosting-spec/blob/main/riscv-semihosting-spec.adoc > > Signed-off-by: Anup Patel > Signed-off-by: Kautuk Consul > --- > arch/riscv/include/asm/spl.h | 1 + > arch/riscv/lib/Makefile | 2 ++ > arch/riscv/lib/interrupts.c | 11 +++++++++++ > arch/riscv/lib/semihosting.c | 24 ++++++++++++++++++++++++ > lib/Kconfig | 6 +++--- > 5 files changed, 41 insertions(+), 3 deletions(-) > create mode 100644 arch/riscv/lib/semihosting.c Reviewed-by: Leo Yu-Chi Liang