From nobody Wed Feb 11 05:39:12 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=ilande.co.uk Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1734004166534642.4028115575834; Thu, 12 Dec 2024 03:49:26 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tLhew-0006wA-5j; Thu, 12 Dec 2024 06:47:10 -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 1tLhek-0006tm-NI for qemu-devel@nongnu.org; Thu, 12 Dec 2024 06:47:00 -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 1tLhej-0007Dn-Bb for qemu-devel@nongnu.org; Thu, 12 Dec 2024 06:46:58 -0500 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 1tLhe9-00070a-9z; Thu, 12 Dec 2024 11:46:25 +0000 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=MpwjL08BZt9sSoDtyKHEQ42gSzPU8yr0aiGDzCfoK/Y=; b=wXMSezPbq9HmimzDqSr9w3lSDc IfR2e/NyyrITq4lzEQFktjX+1Z796yN2MdmeYueEMdCJx4HSbvtOj0uOL59OwWkMuK0FB3ZY5dBvT WHeXIwGzN/Ou+HTgrjweCklehj0aquXIkrLDe4cX3vuRj7C/+qOt2SR3JEFLqr2lL5Cul1C9hFPvb 8w5GNd+lDPaXDaMgMrMP/E2JYUF1O9pyzuLODGE6GlOmgda747PZ4QXf9FYGbdLhNT9XGkJGv2oN0 ZKboBbzubqM3HIiW84dzt0zyH89u21YN0JnoMBkKBlHzdmB7Q8yHdEgaglQOKl5boW9+bqA2ESabO 4t0K1E/KqLacFsr8mMqFJaNcR2ia9ZsWQc9d3Gz/TwK3xMggohwLgZ1kKuJzTGPpD4WZWpFeKbFdX fUpXViNAfgvsDUF8gD4ziQWrdc57JmSx3440dFuMobIjAaPvJ5r+ByZM5EkHfy9JW144m6AVRpsrT z4HktXqn+2yQAqiqOBY4U23ZOSADlvBnb/Pn4D2NUSNmNrcUFtiYy5VxGFFbqZEIqb5HP8/P5otpb oSgTUUI1mY9uWmW/BJdoBXNk72mXdFVaUFVRRZhOwKMcxdGpd5u4lNGmqqVvUWQ+j11kJARgnE80A IpIRfmb/elHmkPxd9S7v0LSxhQjmdXhqUuvSYP7Yw=; From: Mark Cave-Ayland To: huth@tuxfamily.org, qemu-devel@nongnu.org Date: Thu, 12 Dec 2024 11:45:55 +0000 Message-Id: <20241212114620.549285-10-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 Content-Transfer-Encoding: quoted-printable 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 09/34] next-cube: move floppy disk MMIO to separate memory region in next-pc 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 (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1734004167788116600 Content-Type: text/plain; charset="utf-8" The dummy floppy disk device is part of the next-pc device, and not related= to the NeXTCube SCRs. Signed-off-by: Mark Cave-Ayland Reviewed-by: Thomas Huth --- hw/m68k/next-cube.c | 61 ++++++++++++++++++++++++++++++++++++--------- 1 file changed, 49 insertions(+), 12 deletions(-) diff --git a/hw/m68k/next-cube.c b/hw/m68k/next-cube.c index ea1006efb3..d08026ccf9 100644 --- a/hw/m68k/next-cube.c +++ b/hw/m68k/next-cube.c @@ -108,6 +108,7 @@ struct NeXTPC { =20 M68kCPU *cpu; =20 + MemoryRegion floppy_mem; MemoryRegion mmiomem; MemoryRegion scrmem; =20 @@ -368,11 +369,6 @@ static uint64_t next_scr_readfn(void *opaque, hwaddr a= ddr, unsigned size) uint64_t val; =20 switch (addr) { - case 0x14108: - DPRINTF("FD read @ %x\n", (unsigned int)addr); - val =3D 0x40 | 0x04 | 0x2 | 0x1; - break; - /* * These 4 registers are the hardware timer, not sure which register * is the latch instead of data, but no problems so far. @@ -402,13 +398,6 @@ static void next_scr_writefn(void *opaque, hwaddr addr= , uint64_t val, unsigned size) { switch (addr) { - case 0x14108: - DPRINTF("FDCSR Write: %"PRIx64 "\n", val); - if (val =3D=3D 0x0) { - /* qemu_irq_raise(s->fd_irq[0]); */ - } - break; - /* Hardware timer latch - not implemented yet */ case 0x1a000: default: @@ -948,6 +937,47 @@ static const TypeInfo next_scsi_info =3D { .class_init =3D next_scsi_class_init, }; =20 +static void next_floppy_write(void *opaque, hwaddr addr, uint64_t val, + unsigned size) +{ + switch (addr) { + case 0: + DPRINTF("FDCSR Write: %"PRIx64 "\n", val); + if (val =3D=3D 0x0) { + /* qemu_irq_raise(s->fd_irq[0]); */ + } + break; + + default: + g_assert_not_reached(); + } +} + +static uint64_t next_floppy_read(void *opaque, hwaddr addr, unsigned size) +{ + uint64_t val; + + switch (addr) { + case 0: + DPRINTF("FD read @ %x\n", (unsigned int)addr); + val =3D 0x40 | 0x04 | 0x2 | 0x1; + break; + + default: + g_assert_not_reached(); + } + + return val; +} + +static const MemoryRegionOps next_floppy_ops =3D { + .read =3D next_floppy_read, + .write =3D next_floppy_write, + .valid.min_access_size =3D 1, + .valid.max_access_size =3D 4, + .endianness =3D DEVICE_BIG_ENDIAN, +}; + static void next_escc_init(DeviceState *pcdev) { DeviceState *dev; @@ -1006,6 +1036,10 @@ static void next_pc_realize(DeviceState *dev, Error = **errp) =20 s->scsi_reset =3D qdev_get_gpio_in(d, 0); s->scsi_dma =3D qdev_get_gpio_in(d, 1); + + /* Floppy */ + memory_region_add_subregion(&s->scrmem, 0x14108, + &s->floppy_mem); } =20 static void next_pc_init(Object *obj) @@ -1024,6 +1058,9 @@ static void next_pc_init(Object *obj) sysbus_init_mmio(sbd, &s->scrmem); =20 object_initialize_child(obj, "next-scsi", &s->next_scsi, TYPE_NEXT_SCS= I); + + memory_region_init_io(&s->floppy_mem, OBJECT(s), &next_floppy_ops, s, + "next.floppy", 4); } =20 /* --=20 2.39.5