From patchwork Sun Dec 22 13:00:01 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Cave-Ayland X-Patchwork-Id: 13918061 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 C619FE7718E for ; Sun, 22 Dec 2024 13:10:06 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tPLdT-0002Fe-Qh; Sun, 22 Dec 2024 08:04:43 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tPLan-0006Bv-V8 for qemu-devel@nongnu.org; Sun, 22 Dec 2024 08:02:07 -0500 Received: from mail.ilande.co.uk ([2001:41c9:1:41f::167]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tPLal-0000p6-QT for qemu-devel@nongnu.org; Sun, 22 Dec 2024 08:01:57 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=ilande.co.uk; s=20220518; h=Subject:Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:To:From:Sender:Reply-To:Cc: Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID; bh=ceI7/UMZpo6UqpGncQLJnM9zNfx5YW+rnPoAZubGHVc=; b=AyVZX91JsTPsGUkANyJGFhoeJa Q5SBG09E4DH350xR9Jv8H65APaU4c+T1la+8Jc+1ZUvcWxUbezqgg5Bks/YgRSYISglmGheWJESmS CPOO+iZB1cfnFIhCLAZyYcOqarHPVr+hVHntEWY7CngvSivYwJQqULgOfCaL+90DwSQ/eM9MXKScB 0U3zW0zbV8VkxxMgaSmOljIpK5SYlZiqxZZMdr2bZwqFYcwP8VMH9y2LKlnLURLvRxOlJ6+fEKuLx P5DqGJVtUo++hZhey5hwYeFEcSijCBWva8JsDSI77HsPe6KfXBT06eBErj/j++GWmvVHQ7+YVy7JB 4hFzviAvhPI8rCE04/P1NfW3U/EfGGa26a/KG1dj86VMjKnRDG262Nyv92rsuXSeZXckCTQPfiUYA mnRuO5Lo7/fKAf+HjtUJGWH1znAFUree26UmHuY9//9UsvHkrr0w0ZsT8JCf5T62eFi3mbwHhZ4GT Kxe8G8MTdF3pSKJhvEhiFPDX6KqddantRDn1mJzYG+FQL3l9P4FyQltD9RN6V17jVxBiBs2nV+os2 8W+AXowsj4JBQmTbd9N+yyyMcOokWKvFO0mEjP0wtyEfQdJNc4o+tdaY+T4kKhJ8f7cE5bs2JjaT8 VB1/5f86zjAiJANbVEO4mNcnW+42CT+jT6rEFtZ/8=; Received: from [2a02:8012:2f01:0:33a9:475d:1cd9:884] (helo=localhost.localdomain) by mail.ilande.co.uk with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1tPLZy-0002L7-Hy; Sun, 22 Dec 2024 13:01:10 +0000 From: Mark Cave-Ayland To: huth@tuxfamily.org, qemu-devel@nongnu.org Date: Sun, 22 Dec 2024 13:00:01 +0000 Message-Id: <20241222130012.1013374-23-mark.cave-ayland@ilande.co.uk> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20241222130012.1013374-1-mark.cave-ayland@ilande.co.uk> References: <20241222130012.1013374-1-mark.cave-ayland@ilande.co.uk> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a02:8012:2f01:0:33a9:475d:1cd9:884 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk Subject: [PATCH v3 22/33] next-cube: use named gpio to set RTC data bit in scr2 X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on mail.ilande.co.uk) Received-SPF: pass client-ip=2001:41c9:1:41f::167; envelope-from=mark.cave-ayland@ilande.co.uk; helo=mail.ilande.co.uk X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, 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: 2.1.29 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-bounces+qemu-devel=archiver.kernel.org@nongnu.org This is in preparation for moving NeXTRTC to its own separate device. Signed-off-by: Mark Cave-Ayland Reviewed-by: Thomas Huth --- hw/m68k/next-cube.c | 25 +++++++++++++++++++++---- 1 file changed, 21 insertions(+), 4 deletions(-) diff --git a/hw/m68k/next-cube.c b/hw/m68k/next-cube.c index 1fb09fee7d..bc3afa7d54 100644 --- a/hw/m68k/next-cube.c +++ b/hw/m68k/next-cube.c @@ -240,10 +240,13 @@ static void next_scr2_rtc_update(NeXTPC *s) ((scr2_2 & SCR2_RTDATA) ? 1 : 0); } else { /* Shift out value to read */ + qemu_irq rtc_data_in_irq = qdev_get_gpio_in_named( + DEVICE(s), "pc-rtc-data-in", 0); + if (rtc->retval & (0x80 >> (rtc->phase - 8))) { - scr2_2 |= SCR2_RTDATA; + qemu_irq_raise(rtc_data_in_irq); } else { - scr2_2 &= ~SCR2_RTDATA; + qemu_irq_lower(rtc_data_in_irq); } } } @@ -270,8 +273,6 @@ static void next_scr2_rtc_update(NeXTPC *s) rtc->command = 0; rtc->value = 0; } - - s->scr2 = deposit32(s->scr2, 8, 8, scr2_2); } static uint64_t next_mmio_read(void *opaque, hwaddr addr, unsigned size) @@ -1001,6 +1002,20 @@ static const MemoryRegionOps next_dummy_en_ops = { .endianness = DEVICE_BIG_ENDIAN, }; +static void next_pc_rtc_data_in_irq(void *opaque, int n, int level) +{ + NeXTPC *s = NEXT_PC(opaque); + uint8_t scr2_2 = extract32(s->scr2, 8, 8); + + if (level) { + scr2_2 |= SCR2_RTDATA; + } else { + scr2_2 &= ~SCR2_RTDATA; + } + + s->scr2 = deposit32(s->scr2, 8, 8, scr2_2); +} + static void next_pc_reset_hold(Object *obj, ResetType type) { NeXTPC *s = NEXT_PC(obj); @@ -1087,6 +1102,8 @@ static void next_pc_init(Object *obj) sysbus_init_mmio(sbd, &s->timer_mem); s->rtc_power_irq = qdev_get_gpio_in(DEVICE(obj), NEXT_PWR_I); + qdev_init_gpio_in_named(DEVICE(obj), next_pc_rtc_data_in_irq, + "pc-rtc-data-in", 1); } /*