From patchwork Sun Jan 26 22:55:00 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Aleksandar Markovic X-Patchwork-Id: 1229456 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=rt-rk.com 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 ozlabs.org (Postfix) with ESMTPS id 485T6F3jQNz9sPW for ; Mon, 27 Jan 2020 10:07:01 +1100 (AEDT) Received: from localhost ([::1]:38080 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ivqzb-00066F-Gp for incoming@patchwork.ozlabs.org; Sun, 26 Jan 2020 18:06:59 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:33594) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ivqq0-00063h-7q for qemu-devel@nongnu.org; Sun, 26 Jan 2020 17:57:06 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ivqpy-0000aw-9O for qemu-devel@nongnu.org; Sun, 26 Jan 2020 17:57:04 -0500 Received: from mx2.rt-rk.com ([89.216.37.149]:37958 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 1ivqpy-0000R2-0A for qemu-devel@nongnu.org; Sun, 26 Jan 2020 17:57:02 -0500 Received: from localhost (localhost [127.0.0.1]) by mail.rt-rk.com (Postfix) with ESMTP id 4009F1A1DCB; Sun, 26 Jan 2020 23:56:10 +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 1BA371A1DBD; Sun, 26 Jan 2020 23:56:10 +0100 (CET) From: Aleksandar Markovic To: qemu-devel@nongnu.org Subject: [PATCH rc3 19/30] target/avr: Add section about AVR into QEMU documentation Date: Sun, 26 Jan 2020 23:55:00 +0100 Message-Id: <1580079311-20447-20-git-send-email-aleksandar.markovic@rt-rk.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1580079311-20447-1-git-send-email-aleksandar.markovic@rt-rk.com> References: <1580079311-20447-1-git-send-email-aleksandar.markovic@rt-rk.com> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Michael Rolnik Explains basic ways of using AVR target in QEMU. Signed-off-by: Michael Rolnik Message-Id: <20200118191416.19934-16-mrolnik@gmail.com> Signed-off-by: Richard Henderson [PMD: Fixed typos] Signed-off-by: Philippe Mathieu-Daudé Signed-off-by: Aleksandar Markovic --- qemu-doc.texi | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) diff --git a/qemu-doc.texi b/qemu-doc.texi index 2328e7e..aaf4e54 100644 --- a/qemu-doc.texi +++ b/qemu-doc.texi @@ -1723,6 +1723,7 @@ 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 @@ -2496,6 +2497,56 @@ 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