From nobody Wed Feb 11 06:35:33 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 165608076443892.38155366645344; Fri, 24 Jun 2022 07:26:04 -0700 (PDT) Received: from localhost ([::1]:42106 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1o4kG3-0002ea-A2 for importer@patchew.org; Fri, 24 Jun 2022 10:26:03 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39042) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o4jc0-0004q5-Bl; Fri, 24 Jun 2022 09:44:40 -0400 Received: from mail.ilande.co.uk ([2001:41c9:1:41f::167]:42436) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o4jby-0005ZG-E3; Fri, 24 Jun 2022 09:44:40 -0400 Received: from [2a00:23c4:8ba4:e500:b82f:56f9:46d7:80ab] (helo=kentang.home) by mail.ilande.co.uk with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1o4jaN-00037t-U9; Fri, 24 Jun 2022 14:43:00 +0100 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:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=1ziIIUpFc5E35r0AnNosnNGeFEOoSVqErikcGd+BEFg=; b=O/uJGN3TZzAXelT2mwiRbqZcBf dFa/9LZ6E0FeamDAS81IHFf8sADcPCOKiUu4xheCWpsQwxOryfFyWJTiZMh26PWQYynKbD21zIzRG eDS8UtR82MkATaI022BHvW899hpLPufPexKuJADockNZPWi6ui76HkilsP6xLaKtX+hTw43AKF0pq JmwuwpkUfJynrDBV3JpwBldT1LXp+v3TOiqPuZPiY3BWfFFGUSbt5Oy93xesdjyvxAztgKn81nTWf lNpTq6ogD6vZ0vTzdwkYumQk7Z+nfPJiXNyL44OSuXj6zlZ3aknd1pfOkmzHz4r5VzSH9so7xhnOX B9CR7MBu8Ph7MrJzlVW1qj/spZkCOUVNMJp0D0olH9oI/wGLwjcLKfCa4th2K3cmZDjhVflC8Ribs mhDITa6SzI89h1d8x+dyspbvzYKvbjwd6Kitq9FT6sjnEqBGrmMzWfQjPFU6J//wJ6o9qMlgdT4bv ZVzOkfVmDBvOhDMGxmSo+ZwqXNGn9wHorAv9AA3RSGymCs+veE/ro1xbMTr+kSvGKzpo55YyRgHYq YeTT9wvFfF3jzjWHGxvs9DF0oMZ62Cf8JcEdA8lrwIGFUXnpPMl9KEUuiwOZy/5PE5Tg9+xWc+8Sf EkFntA/22DUH4aIwSZ0W+Wul3YEDlfT71dPKhwD0s=; From: Mark Cave-Ayland To: richard.henderson@linaro.org, deller@gmx.de, mst@redhat.com, pbonzini@redhat.com, peter.maydell@linaro.org, hpoussin@reactos.org, aleksandar.rikalo@syrmia.com, f4bug@amsat.org, jiaxun.yang@flygoat.com, qemu-arm@nongnu.org, qemu-devel@nongnu.org Date: Fri, 24 Jun 2022 14:41:04 +0100 Message-Id: <20220624134109.881989-50-mark.cave-ayland@ilande.co.uk> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220624134109.881989-1-mark.cave-ayland@ilande.co.uk> References: <20220624134109.881989-1-mark.cave-ayland@ilande.co.uk> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-SA-Exim-Connect-IP: 2a00:23c4:8ba4:e500:b82f:56f9:46d7:80ab X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk Subject: [PATCH v2 49/54] pckbd: switch I8042_MMIO device from update_irq() function to PS2 device gpio 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, T_SCC_BODY_TEXT_LINE=-0.01 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" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1656080766128100001 Content-Type: text/plain; charset="utf-8" Define a new qdev input gpio for handling incoming PS2 IRQs, and then wire = up the PS2 keyboard and mouse devices to use it. At the same time set update_irq()= and update_arg to NULL in ps2_kbd_init() and ps2_mouse_init() to ensure that any accidental attempt to use the legacy update_irq() function will cause a NULL pointer dereference. Signed-off-by: Mark Cave-Ayland Acked-by: Helge Deller Reviewed-by: Peter Maydell --- hw/input/pckbd.c | 38 ++++++++++++++++++++++++++++++++------ 1 file changed, 32 insertions(+), 6 deletions(-) diff --git a/hw/input/pckbd.c b/hw/input/pckbd.c index 5d7c969fc6..ee306428a3 100644 --- a/hw/input/pckbd.c +++ b/hw/input/pckbd.c @@ -665,6 +665,22 @@ static const MemoryRegionOps i8042_mmio_ops =3D { .endianness =3D DEVICE_NATIVE_ENDIAN, }; =20 +static void i8042_mmio_set_kbd_irq(void *opaque, int n, int level) +{ + MMIOKBDState *s =3D I8042_MMIO(opaque); + KBDState *ks =3D &s->kbd; + + kbd_update_kbd_irq(ks, level); +} + +static void i8042_mmio_set_mouse_irq(void *opaque, int n, int level) +{ + MMIOKBDState *s =3D I8042_MMIO(opaque); + KBDState *ks =3D &s->kbd; + + kbd_update_aux_irq(ks, level); +} + static void i8042_mmio_reset(DeviceState *dev) { MMIOKBDState *s =3D I8042_MMIO(dev); @@ -686,8 +702,14 @@ static void i8042_mmio_realize(DeviceState *dev, Error= **errp) /* Note we can't use dc->vmsd without breaking migration compatibility= */ vmstate_register(NULL, 0, &vmstate_kbd, ks); =20 - ks->kbd =3D ps2_kbd_init(kbd_update_kbd_irq, ks); - ks->mouse =3D ps2_mouse_init(kbd_update_aux_irq, ks); + ks->kbd =3D ps2_kbd_init(NULL, NULL); + qdev_connect_gpio_out(DEVICE(ks->kbd), PS2_DEVICE_IRQ, + qdev_get_gpio_in_named(dev, "ps2-kbd-input-irq", + 0)); + ks->mouse =3D ps2_mouse_init(NULL, NULL); + qdev_connect_gpio_out(DEVICE(ks->mouse), PS2_DEVICE_IRQ, + qdev_get_gpio_in_named(dev, "ps2-mouse-input-irq= ", + 0)); } =20 static void i8042_mmio_init(Object *obj) @@ -696,6 +718,12 @@ static void i8042_mmio_init(Object *obj) KBDState *ks =3D &s->kbd; =20 ks->extended_state =3D true; + + qdev_init_gpio_out(DEVICE(obj), ks->irqs, 2); + qdev_init_gpio_in_named(DEVICE(obj), i8042_mmio_set_kbd_irq, + "ps2-kbd-input-irq", 1); + qdev_init_gpio_in_named(DEVICE(obj), i8042_mmio_set_mouse_irq, + "ps2-mouse-input-irq", 1); } =20 static Property i8042_mmio_properties[] =3D { @@ -718,16 +746,14 @@ MMIOKBDState *i8042_mm_init(qemu_irq kbd_irq, qemu_ir= q mouse_irq, ram_addr_t size, hwaddr mask) { DeviceState *dev; - KBDState *s; =20 dev =3D qdev_new(TYPE_I8042_MMIO); qdev_prop_set_uint64(dev, "mask", mask); qdev_prop_set_uint32(dev, "size", size); sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); - s =3D &I8042_MMIO(dev)->kbd; =20 - s->irqs[I8042_KBD_IRQ] =3D kbd_irq; - s->irqs[I8042_MOUSE_IRQ] =3D mouse_irq; + qdev_connect_gpio_out(dev, I8042_KBD_IRQ, kbd_irq); + qdev_connect_gpio_out(dev, I8042_MOUSE_IRQ, mouse_irq); =20 return I8042_MMIO(dev); } --=20 2.30.2