From nobody Wed Oct 29 06:55:36 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1513546981113769.0616738079125; Sun, 17 Dec 2017 13:43:01 -0800 (PST) Received: from localhost ([::1]:55640 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eQghu-0002qa-0y for importer@patchew.org; Sun, 17 Dec 2017 16:42:50 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42048) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eQgcw-0007Ef-Op for qemu-devel@nongnu.org; Sun, 17 Dec 2017 16:37:44 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eQgct-00014q-H9 for qemu-devel@nongnu.org; Sun, 17 Dec 2017 16:37:42 -0500 Received: from isrv.corpit.ru ([86.62.121.231]:55313) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eQgct-00014L-9z; Sun, 17 Dec 2017 16:37:39 -0500 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id 2FDAD41175; Mon, 18 Dec 2017 00:28:09 +0300 (MSK) Received: from tls.msk.ru (mjt.vpn.tls.msk.ru [192.168.177.99]) by tsrv.corpit.ru (Postfix) with SMTP id 1A5A1C8E; Mon, 18 Dec 2017 00:25:46 +0300 (MSK) Received: (nullmailer pid 30886 invoked by uid 1000); Sun, 17 Dec 2017 21:28:08 -0000 From: Michael Tokarev To: qemu-devel@nongnu.org Date: Mon, 18 Dec 2017 00:27:07 +0300 Message-Id: X-Mailer: git-send-email 2.11.0 In-Reply-To: References: In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 86.62.121.231 Subject: [Qemu-devel] [PULL 02/61] hw/alpha/typhoon: simplify using the "unimplemented" sysbus device X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-trivial@nongnu.org, Michael Tokarev , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" From: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson Signed-off-by: Michael Tokarev --- hw/alpha/alpha_sys.h | 1 - hw/alpha/pci.c | 26 -------------------------- hw/alpha/typhoon.c | 6 ++---- 3 files changed, 2 insertions(+), 31 deletions(-) diff --git a/hw/alpha/alpha_sys.h b/hw/alpha/alpha_sys.h index b6d8369ed7..9e67f78c60 100644 --- a/hw/alpha/alpha_sys.h +++ b/hw/alpha/alpha_sys.h @@ -15,7 +15,6 @@ PCIBus *typhoon_init(ram_addr_t, ISABus **, qemu_irq *, A= lphaCPU *[4], pci_map_irq_fn); =20 /* alpha_pci.c. */ -extern const MemoryRegionOps alpha_pci_ignore_ops; extern const MemoryRegionOps alpha_pci_conf1_ops; extern const MemoryRegionOps alpha_pci_iack_ops; =20 diff --git a/hw/alpha/pci.c b/hw/alpha/pci.c index 8dde637bfe..e0bcde9f70 100644 --- a/hw/alpha/pci.c +++ b/hw/alpha/pci.c @@ -14,32 +14,6 @@ #include "trace.h" =20 =20 -/* Fallback for unassigned PCI I/O operations. Avoids MCHK. */ - -static uint64_t ignore_read(void *opaque, hwaddr addr, unsigned size) -{ - return 0; -} - -static void ignore_write(void *opaque, hwaddr addr, uint64_t v, unsigned s= ize) -{ -} - -const MemoryRegionOps alpha_pci_ignore_ops =3D { - .read =3D ignore_read, - .write =3D ignore_write, - .endianness =3D DEVICE_LITTLE_ENDIAN, - .valid =3D { - .min_access_size =3D 1, - .max_access_size =3D 8, - }, - .impl =3D { - .min_access_size =3D 1, - .max_access_size =3D 8, - }, -}; - - /* PCI config space reads/writes, to byte-word addressable memory. */ static uint64_t bw_conf1_read(void *opaque, hwaddr addr, unsigned size) diff --git a/hw/alpha/typhoon.c b/hw/alpha/typhoon.c index ae11e012c7..d8e2cac3f3 100644 --- a/hw/alpha/typhoon.c +++ b/hw/alpha/typhoon.c @@ -11,6 +11,7 @@ #include "cpu.h" #include "hw/hw.h" #include "hw/devices.h" +#include "hw/misc/unimp.h" #include "sysemu/sysemu.h" #include "alpha_sys.h" #include "exec/address-spaces.h" @@ -876,10 +877,7 @@ PCIBus *typhoon_init(ram_addr_t ram_size, ISABus **isa= _bus, &s->pchip.reg_mem); =20 /* Pchip0 PCI I/O, 0x801.FC00.0000, 32MB. */ - memory_region_init_io(&s->pchip.reg_io, OBJECT(s), &alpha_pci_ignore_o= ps, - NULL, "pci0-io", 32*MB); - memory_region_add_subregion(addr_space, 0x801fc000000ULL, - &s->pchip.reg_io); + create_unimplemented_device("pci0-io", 0x801fc000000ULL, 32 * MB); =20 b =3D pci_register_bus(dev, "pci", typhoon_set_irq, sys_map_irq, s, --=20 2.11.0