From patchwork Fri Feb 7 01:58:00 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Aleksandar Markovic X-Patchwork-Id: 11369603 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 90F7C921 for ; Fri, 7 Feb 2020 02:12:38 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 72AEB21927 for ; Fri, 7 Feb 2020 02:12:38 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 72AEB21927 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=rt-rk.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:49122 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1izt8H-0004tX-JX for patchwork-qemu-devel@patchwork.kernel.org; Thu, 06 Feb 2020 21:12:37 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:59807) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1izsvm-0006Ik-1b for qemu-devel@nongnu.org; Thu, 06 Feb 2020 20:59:44 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1izsvj-0001Mb-Ml for qemu-devel@nongnu.org; Thu, 06 Feb 2020 20:59:41 -0500 Received: from mx2.rt-rk.com ([89.216.37.149]:53234 helo=mail.rt-rk.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1izsvj-0001AV-CI for qemu-devel@nongnu.org; Thu, 06 Feb 2020 20:59:39 -0500 Received: from localhost (localhost [127.0.0.1]) by mail.rt-rk.com (Postfix) with ESMTP id 0B4921A1FEC; Fri, 7 Feb 2020 02:58:24 +0100 (CET) X-Virus-Scanned: amavisd-new at rt-rk.com Received: from rtrkw774-lin.domain.local (rtrkw774-lin.domain.local [10.10.14.106]) by mail.rt-rk.com (Postfix) with ESMTPSA id D811F1A2147; Fri, 7 Feb 2020 02:58:23 +0100 (CET) From: Aleksandar Markovic To: qemu-devel@nongnu.org Subject: [PATCH rc5 32/32] target/avr: Add section into QEMU documentation Date: Fri, 7 Feb 2020 02:58:00 +0100 Message-Id: <1581040680-308-33-git-send-email-aleksandar.markovic@rt-rk.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1581040680-308-1-git-send-email-aleksandar.markovic@rt-rk.com> References: <1581040680-308-1-git-send-email-aleksandar.markovic@rt-rk.com> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 89.216.37.149 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Richard Henderson , Michael Rolnik , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Aleksandar Markovic Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: Michael Rolnik The new section explains basic ways of using AVR target in QEMU. Signed-off-by: Michael Rolnik Signed-off-by: Richard Henderson [PMD: Fixed typos] Signed-off-by: Philippe Mathieu-Daudé Signed-off-by: Aleksandar Markovic Reviewed-by: Aleksandar Markovic --- qemu-doc.texi | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) diff --git a/qemu-doc.texi b/qemu-doc.texi index a1ef6b6..79c9e3a 100644 --- a/qemu-doc.texi +++ b/qemu-doc.texi @@ -1719,6 +1719,7 @@ differences are mentioned in the following sections. * Microblaze System emulator:: * SH4 System emulator:: * Xtensa System emulator:: +* AVR System emulator:: @end menu @node PowerPC System emulator @@ -2487,6 +2488,56 @@ so should only be used with trusted guest OS. @c man end +@node AVR System emulator +@section AVR System emulator +@cindex system emulation (AVR) + +Use the executable @file{qemu-system-avr} to emulates a AVR 8 bit based machine +having one for the following cores: avr1, avr2, avr25, avr3, avr31, avr35, avr4, +avr5, avr51, avr6, avrtiny, xmega2, xmega3, xmega4, xmega5, xmega6 and xmega7. + +As for now it supports few Arduino boards for educational and testing purposes. +These boards use a ATmega controller, which model is limited to USART & 16 bit +timer devices, enought to run FreeRTOS based applications (like this @url{https://github.com/seharris/qemu-avr-tests/blob/master/free-rtos/Demo/AVR_ATMega2560_GCC/demo.elf,,demo}) + +Following are examples of possible usages, assuming demo.elf is compiled for +AVR cpu +@itemize + +@item Continuous non interrupted execution +@example +qemu-system-avr -machine mega2560 -bios demo.elf +@end example + +@item Continuous non interrupted execution with serial output into telnet window +@example +qemu-system-avr -machine mega2560 -bios demo.elf -serial tcp::5678,server,nowait -nographic +@end example +and then in another shell +@example +telnet localhost 5678 +@end example + +@item Debugging wit GDB debugger +@example +qemu-system-avr -machine mega2560 -bios demo.elf -s -S +@end example +and then in another shell +@example +avr-gdb demo.elf +@end example +and then within GDB shell +@example +target remote :1234 +@end example + +@item Print out executed instructions +@example +qemu-system-avr -machine mega2560 -bios demo.elf -d in_asm +@end example + +@end itemize + @node QEMU User space emulator @chapter QEMU User space emulator