From patchwork Wed Mar 10 08:09:07 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Cave-Ayland X-Patchwork-Id: 1450362 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=) 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 4DwPt80nVFz9sPf for ; Wed, 10 Mar 2021 19:11:28 +1100 (AEDT) Received: from localhost ([::1]:41512 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lJtwE-0008Eb-5B for incoming@patchwork.ozlabs.org; Wed, 10 Mar 2021 03:11:26 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:35456) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lJtuf-0005OR-Ne for qemu-devel@nongnu.org; Wed, 10 Mar 2021 03:09:50 -0500 Received: from mail.ilande.co.uk ([2001:41c9:1:41f::167]:49990 helo=mail.default.ilande.uk0.bigv.io) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lJtub-0000Bf-Mz for qemu-devel@nongnu.org; Wed, 10 Mar 2021 03:09:48 -0500 Received: from host86-140-100-136.range86-140.btcentralplus.com ([86.140.100.136] helo=kentang.home) by mail.default.ilande.uk0.bigv.io with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lJtuX-0006rB-7j; Wed, 10 Mar 2021 08:09:45 +0000 From: Mark Cave-Ayland To: qemu-devel@nongnu.org, laurent@vivier.eu Date: Wed, 10 Mar 2021 08:09:07 +0000 Message-Id: <20210310080908.11861-7-mark.cave-ayland@ilande.co.uk> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210310080908.11861-1-mark.cave-ayland@ilande.co.uk> References: <20210310080908.11861-1-mark.cave-ayland@ilande.co.uk> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 86.140.100.136 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk Subject: [PATCH 6/7] mac_via: fix 60Hz VIA1 timer interval X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on mail.default.ilande.uk0.bigv.io) Received-SPF: pass client-ip=2001:41c9:1:41f::167; envelope-from=mark.cave-ayland@ilande.co.uk; helo=mail.default.ilande.uk0.bigv.io X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" The 60Hz timer is initialised using timer_new_ns() meaning that the timer interval should be measured in ns, and therefore its period is a thousand times too short. Signed-off-by: Mark Cave-Ayland Reviewed-by: Laurent Vivier --- hw/misc/mac_via.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/hw/misc/mac_via.c b/hw/misc/mac_via.c index f994fefa7c..c6e1552a59 100644 --- a/hw/misc/mac_via.c +++ b/hw/misc/mac_via.c @@ -302,8 +302,8 @@ static void via1_sixty_hz_update(MOS6522Q800VIA1State *v1s) MOS6522State *s = MOS6522(v1s); /* 60 Hz irq */ - v1s->next_sixty_hz = (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 16630) / - 16630 * 16630; + v1s->next_sixty_hz = (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 16630000) / + 16630000 * 16630000; if (s->ier & VIA1_IRQ_60HZ) { timer_mod(v1s->sixty_hz_timer, v1s->next_sixty_hz);