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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 698B2C433EF for ; Thu, 28 Apr 2022 11:12:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345261AbiD1LPP (ORCPT ); Thu, 28 Apr 2022 07:15:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35368 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236798AbiD1LPL (ORCPT ); Thu, 28 Apr 2022 07:15:11 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 41C352250C for ; Thu, 28 Apr 2022 04:11:57 -0700 (PDT) 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 D28AE61F1F for ; Thu, 28 Apr 2022 11:11:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 99F7EC385A0; Thu, 28 Apr 2022 11:11:55 +0000 (UTC) Authentication-Results: smtp.kernel.org; dkim=pass (1024-bit key) header.d=zx2c4.com header.i=@zx2c4.com header.b="OuGIwjQD" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zx2c4.com; s=20210105; t=1651144313; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=md1MNTc1vspPVRzc4103iVAWg3qcKbg05zQ16mss5wU=; b=OuGIwjQDeOI2B7bguWdrvoPU23TV9BZIGknyDcDeIiorX0maglyOOtCGowJ10EBFj6JHQp JLlr7/a127+CbZJn5HQHWqL8Avt4ZiE+KyUcS5bftw9c5rApmgiYuYjKPeVcKYsp7aokcU A2gA1jGTCo5qxMzglRfMtKTKUrENyWo= Received: by mail.zx2c4.com (ZX2C4 Mail Server) with ESMTPSA id 6ed39d4e (TLSv1.3:AEAD-AES256-GCM-SHA384:256:NO); Thu, 28 Apr 2022 11:11:53 +0000 (UTC) From: "Jason A. Donenfeld" To: shorne@gmail.com, openrisc@lists.librecores.org, linux-kernel@vger.kernel.org Cc: "Jason A. Donenfeld" , Peter Maydell Subject: [PATCH] openrisc: define nop command for simulator reboot Date: Thu, 28 Apr 2022 13:11:39 +0200 Message-Id: <20220428111139.1330966-1-Jason@zx2c4.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The simulator defines `l.nop 1` for shutdown, but doesn't have anything for reboot. Use 13 for this, which is currently unused, dubbed `NOP_REBOOT`. Cc: Stafford Horne Cc: Peter Maydell Link: https://lore.kernel.org/all/YmnaDUpVI5ihgvg6@zx2c4.com/ Signed-off-by: Jason A. Donenfeld --- arch/openrisc/kernel/process.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/openrisc/kernel/process.c b/arch/openrisc/kernel/process.c index 3c0c91bcdcba..4cce95fa6eb5 100644 --- a/arch/openrisc/kernel/process.c +++ b/arch/openrisc/kernel/process.c @@ -52,6 +52,8 @@ void machine_restart(char *cmd) { do_kernel_restart(cmd); + __asm__("l.nop 13"); + /* Give a grace period for failure to restart of 1s */ mdelay(1000); -- 2.35.1 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason A. Donenfeld Date: Thu, 28 Apr 2022 13:11:39 +0200 Subject: [OpenRISC] [PATCH] openrisc: define nop command for simulator reboot Message-ID: <20220428111139.1330966-1-Jason@zx2c4.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: openrisc@lists.librecores.org The simulator defines `l.nop 1` for shutdown, but doesn't have anything for reboot. Use 13 for this, which is currently unused, dubbed `NOP_REBOOT`. Cc: Stafford Horne Cc: Peter Maydell Link: https://lore.kernel.org/all/YmnaDUpVI5ihgvg6 at zx2c4.com/ Signed-off-by: Jason A. Donenfeld --- arch/openrisc/kernel/process.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/openrisc/kernel/process.c b/arch/openrisc/kernel/process.c index 3c0c91bcdcba..4cce95fa6eb5 100644 --- a/arch/openrisc/kernel/process.c +++ b/arch/openrisc/kernel/process.c @@ -52,6 +52,8 @@ void machine_restart(char *cmd) { do_kernel_restart(cmd); + __asm__("l.nop 13"); + /* Give a grace period for failure to restart of 1s */ mdelay(1000); -- 2.35.1