From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason A. Donenfeld Date: Tue, 3 May 2022 10:54:41 +0200 Subject: [OpenRISC] [PATCH] target/openrisc: implement shutdown and reset helpers In-Reply-To: References: <20220502225230.237369-1-Jason@zx2c4.com> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: openrisc@lists.librecores.org On Mon, May 02, 2022 at 04:57:43PM -0700, Richard Henderson wrote: > On 5/2/22 15:52, Jason A. Donenfeld wrote: > > OpenRISC defines various nop instructions in or1k as meaning shutdown or > > reset. Implement these in TCG. This has been tested with Linux and > > confirmed to work. > > No, OpenRISC does not define various nop instructions, etc. > > OpenRISC defines a Power Management Register to handle doze and suspend; there is no > specification for shutdown or reset. > > See https://openrisc.io/architecture Stafford is in the process of documenting/spec'ing the nop stuff. > > > r~ > 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 62628C433EF for ; Tue, 3 May 2022 09:03:06 +0000 (UTC) Received: from localhost ([::1]:38180 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nloQz-0005PK-AH for qemu-devel@archiver.kernel.org; Tue, 03 May 2022 05:03:05 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38310) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nloJ3-0004dm-6c for qemu-devel@nongnu.org; Tue, 03 May 2022 04:54:53 -0400 Received: from dfw.source.kernel.org ([139.178.84.217]:38840) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nloJ0-0005nC-SR for qemu-devel@nongnu.org; Tue, 03 May 2022 04:54:52 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id E3F756128D; Tue, 3 May 2022 08:54:47 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AF748C385A4; Tue, 3 May 2022 08:54:46 +0000 (UTC) Authentication-Results: smtp.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=zx2c4.com header.i=@zx2c4.com header.b="b4ipqw2J" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zx2c4.com; s=20210105; t=1651568084; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=UadzwdyTPAXDsdMBLEUAPEXbwWfoUKoOfbRoM8Rb0RI=; b=b4ipqw2JKXpiCxJlvRmvUQa7M2XfgLsFpXcJ5TLiNXXhyZQOR34nOqPh7KEnYGO74kOLI4 WNikGPxD/srFw/o+A/PIbtuS9hCzX+WrQYusYQzRS9iQC0gPdzWt2NZXotrJFHlyn4fzcM KYAfDcS2i46sHYFsnNv4QMarCjO7u7k= Received: by mail.zx2c4.com (ZX2C4 Mail Server) with ESMTPSA id 4be660f1 (TLSv1.3:AEAD-AES256-GCM-SHA384:256:NO); Tue, 3 May 2022 08:54:44 +0000 (UTC) Date: Tue, 3 May 2022 10:54:41 +0200 From: "Jason A. Donenfeld" To: Richard Henderson Cc: qemu-devel@nongnu.org, openrisc@lists.librecores.org, shorne@gmail.com Subject: Re: [PATCH] target/openrisc: implement shutdown and reset helpers Message-ID: References: <20220502225230.237369-1-Jason@zx2c4.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Received-SPF: pass client-ip=139.178.84.217; envelope-from=SRS0=EuPl=VL=zx2c4.com=Jason@kernel.org; helo=dfw.source.kernel.org X-Spam_score_int: -64 X-Spam_score: -6.5 X-Spam_bar: ------ X-Spam_report: (-6.5 / 5.0 requ) BAYES_00=-1.9, DKIM_INVALID=0.1, DKIM_SIGNED=0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_HI=-5, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Mon, May 02, 2022 at 04:57:43PM -0700, Richard Henderson wrote: > On 5/2/22 15:52, Jason A. Donenfeld wrote: > > OpenRISC defines various nop instructions in or1k as meaning shutdown or > > reset. Implement these in TCG. This has been tested with Linux and > > confirmed to work. > > No, OpenRISC does not define various nop instructions, etc. > > OpenRISC defines a Power Management Register to handle doze and suspend; there is no > specification for shutdown or reset. > > See https://openrisc.io/architecture Stafford is in the process of documenting/spec'ing the nop stuff. > > > r~ >