From patchwork Thu Dec 12 11:46:08 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: 13905014 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 A549BE7717F for ; Thu, 12 Dec 2024 11:48:03 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tLhff-0000cG-J6; Thu, 12 Dec 2024 06:47:55 -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 1tLhfd-0000Rk-Tl for qemu-devel@nongnu.org; Thu, 12 Dec 2024 06:47:54 -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 1tLhfc-0007Je-EF for qemu-devel@nongnu.org; Thu, 12 Dec 2024 06:47:53 -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=g0MF1V7FBFZthbAbdsdQ3AnVpuWmkKTRE62wH4Xq2kc=; b=LLTB6vMD6bjY59gZHrk9D5Q5z9 6DETyTxxGH9unQZn0qSaUYawakmNguaA1+DsHsa7VbmpxAVp5gZaIMOw9HdR2sf07BaJ50+TxF6Vj aNSGiW8HlLfjC6ZX6a8nDktO4yAAaP262mXBYHXI6OSvmp/ILrsQodn1udqbIODAskQ/zL87VteKi kLcAYFbpyeZt/hDA0vPyPDJpX8aGRso8DfOeqYKulMu3/XzbLepJ1Cxu6xGcWbAUW+B3HEaSAojFm 9hzzZx03Qw04LOJA5qWUMzKtqBBgpI03qjZwYG9f6iuY8y3VfKoVzHW5KYZURbO0IBPVRbb601rwr uWEOBcdTU8j+yXex3poVaejsjCvR93xfwdldgHq23HLehHc+wKKkRw0QvaYeYRRcAwsn8L8rWuBht Ox+kUt0q40j5+LbhiqliXfVLPC10JJBonaCXvFm+BYSGjrjr6J7YPB+OUzQi58X5nTMN8uObdZBuZ S0w6lU/ZpWqCbIzNNiq+Ais6FBVIiUUMp/nXb6Cnpg2dn6SLKGmjhkplxssGmC3zwTp+P0zai8c6y zaTNs8po09xaxkBWG8yrFlcT4VHkUqc4fkwOsNT4hORBxtcrtDh1898nuBm4DvH7vIuT25ZMk8OM+ SGQ/XR10uQw9+6rZ6zYea2H1JHqvSFl3FkzGfKqNM=; Received: from [2a02:8012:c93d:0:260e:bf57:a4e9:8142] (helo=cheesecake.fritz.box) by mail.ilande.co.uk with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1tLhes-00070a-4y; Thu, 12 Dec 2024 11:47:10 +0000 From: Mark Cave-Ayland To: huth@tuxfamily.org, qemu-devel@nongnu.org Date: Thu, 12 Dec 2024 11:46:08 +0000 Message-Id: <20241212114620.549285-23-mark.cave-ayland@ilande.co.uk> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20241212114620.549285-1-mark.cave-ayland@ilande.co.uk> References: <20241212114620.549285-1-mark.cave-ayland@ilande.co.uk> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a02:8012:c93d:0:260e:bf57:a4e9:8142 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk Subject: [PATCH v2 22/34] 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 b5abc2b822..89dd9f5b85 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); } /*