From nobody Wed Oct 22 13:22:18 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 1519850306193527.5536811677583; Wed, 28 Feb 2018 12:38:26 -0800 (PST) Received: from localhost ([::1]:46731 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1er8Ua-0004e1-UI for importer@patchew.org; Wed, 28 Feb 2018 15:38:24 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59194) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1er8Pa-0000Zq-IC for qemu-devel@nongnu.org; Wed, 28 Feb 2018 15:33:16 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1er8PX-000251-97 for qemu-devel@nongnu.org; Wed, 28 Feb 2018 15:33:14 -0500 Received: from chuckie.co.uk ([82.165.15.123]:58469 helo=s16892447.onlinehome-server.info) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1er8PW-0001yB-S6; Wed, 28 Feb 2018 15:33:11 -0500 Received: from host109-151-5-120.range109-151.btcentralplus.com ([109.151.5.120] helo=kentang.home) by s16892447.onlinehome-server.info with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.76) (envelope-from ) id 1er8Pa-0003Ba-MU; Wed, 28 Feb 2018 20:33:16 +0000 From: Mark Cave-Ayland To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org, david@gibson.dropbear.id.au Date: Wed, 28 Feb 2018 20:32:34 +0000 Message-Id: <20180228203243.1413-4-mark.cave-ayland@ilande.co.uk> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180228203243.1413-1-mark.cave-ayland@ilande.co.uk> References: <20180228203243.1413-1-mark.cave-ayland@ilande.co.uk> X-SA-Exim-Connect-IP: 109.151.5.120 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk X-SA-Exim-Version: 4.2.1 (built Sun, 08 Jan 2012 02:45:44 +0000) X-SA-Exim-Scanned: Yes (on s16892447.onlinehome-server.info) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 82.165.15.123 Subject: [Qemu-devel] [PATCHv3 03/12] heathrow: QOMify heathrow PIC 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Mark Cave-Ayland --- hw/intc/heathrow_pic.c | 126 +++++++++++++++++++++++--------------= ---- include/hw/intc/heathrow_pic.h | 49 ++++++++++++++++ 2 files changed, 119 insertions(+), 56 deletions(-) create mode 100644 include/hw/intc/heathrow_pic.h diff --git a/hw/intc/heathrow_pic.c b/hw/intc/heathrow_pic.c index 171f5ed814..7bf44e0d86 100644 --- a/hw/intc/heathrow_pic.c +++ b/hw/intc/heathrow_pic.c @@ -25,6 +25,7 @@ #include "qemu/osdep.h" #include "hw/hw.h" #include "hw/ppc/mac.h" +#include "hw/intc/heathrow_pic.h" =20 /* debug PIC */ //#define DEBUG_PIC @@ -36,39 +37,27 @@ #define PIC_DPRINTF(fmt, ...) #endif =20 -typedef struct HeathrowPIC { - uint32_t events; - uint32_t mask; - uint32_t levels; - uint32_t level_triggered; -} HeathrowPIC; - -typedef struct HeathrowPICS { - MemoryRegion mem; - HeathrowPIC pics[2]; - qemu_irq *irqs; -} HeathrowPICS; - -static inline int check_irq(HeathrowPIC *pic) +static inline int heathrow_check_irq(HeathrowPICState *pic) { return (pic->events | (pic->levels & pic->level_triggered)) & pic->mas= k; } =20 /* update the CPU irq state */ -static void heathrow_pic_update(HeathrowPICS *s) +static void heathrow_update_irq(HeathrowState *s) { - if (check_irq(&s->pics[0]) || check_irq(&s->pics[1])) { + if (heathrow_check_irq(&s->pics[0]) || + heathrow_check_irq(&s->pics[1])) { qemu_irq_raise(s->irqs[0]); } else { qemu_irq_lower(s->irqs[0]); } } =20 -static void pic_write(void *opaque, hwaddr addr, - uint64_t value, unsigned size) +static void heathrow_write(void *opaque, hwaddr addr, + uint64_t value, unsigned size) { - HeathrowPICS *s =3D opaque; - HeathrowPIC *pic; + HeathrowState *s =3D opaque; + HeathrowPICState *pic; unsigned int n; =20 n =3D ((addr & 0xfff) - 0x10) >> 4; @@ -79,24 +68,24 @@ static void pic_write(void *opaque, hwaddr addr, switch(addr & 0xf) { case 0x04: pic->mask =3D value; - heathrow_pic_update(s); + heathrow_update_irq(s); break; case 0x08: /* do not reset level triggered IRQs */ value &=3D ~pic->level_triggered; pic->events &=3D ~value; - heathrow_pic_update(s); + heathrow_update_irq(s); break; default: break; } } =20 -static uint64_t pic_read(void *opaque, hwaddr addr, - unsigned size) +static uint64_t heathrow_read(void *opaque, hwaddr addr, + unsigned size) { - HeathrowPICS *s =3D opaque; - HeathrowPIC *pic; + HeathrowState *s =3D opaque; + HeathrowPICState *pic; unsigned int n; uint32_t value; =20 @@ -124,16 +113,16 @@ static uint64_t pic_read(void *opaque, hwaddr addr, return value; } =20 -static const MemoryRegionOps heathrow_pic_ops =3D { - .read =3D pic_read, - .write =3D pic_write, +static const MemoryRegionOps heathrow_ops =3D { + .read =3D heathrow_read, + .write =3D heathrow_write, .endianness =3D DEVICE_LITTLE_ENDIAN, }; =20 -static void heathrow_pic_set_irq(void *opaque, int num, int level) +static void heathrow_set_irq(void *opaque, int num, int level) { - HeathrowPICS *s =3D opaque; - HeathrowPIC *pic; + HeathrowState *s =3D opaque; + HeathrowPICState *pic; unsigned int irq_bit; =20 #if defined(DEBUG) @@ -153,7 +142,7 @@ static void heathrow_pic_set_irq(void *opaque, int num,= int level) } else { pic->levels &=3D ~irq_bit; } - heathrow_pic_update(s); + heathrow_update_irq(s); } =20 static const VMStateDescription vmstate_heathrow_pic_one =3D { @@ -161,54 +150,79 @@ static const VMStateDescription vmstate_heathrow_pic_= one =3D { .version_id =3D 0, .minimum_version_id =3D 0, .fields =3D (VMStateField[]) { - VMSTATE_UINT32(events, HeathrowPIC), - VMSTATE_UINT32(mask, HeathrowPIC), - VMSTATE_UINT32(levels, HeathrowPIC), - VMSTATE_UINT32(level_triggered, HeathrowPIC), + VMSTATE_UINT32(events, HeathrowPICState), + VMSTATE_UINT32(mask, HeathrowPICState), + VMSTATE_UINT32(levels, HeathrowPICState), + VMSTATE_UINT32(level_triggered, HeathrowPICState), VMSTATE_END_OF_LIST() } }; =20 -static const VMStateDescription vmstate_heathrow_pic =3D { +static const VMStateDescription vmstate_heathrow =3D { .name =3D "heathrow_pic", .version_id =3D 1, .minimum_version_id =3D 1, .fields =3D (VMStateField[]) { - VMSTATE_STRUCT_ARRAY(pics, HeathrowPICS, 2, 1, - vmstate_heathrow_pic_one, HeathrowPIC), + VMSTATE_STRUCT_ARRAY(pics, HeathrowState, 2, 1, + vmstate_heathrow_pic_one, HeathrowPICState), VMSTATE_END_OF_LIST() } }; =20 -static void heathrow_pic_reset_one(HeathrowPIC *s) +static void heathrow_reset(DeviceState *d) { - memset(s, '\0', sizeof(HeathrowPIC)); + HeathrowState *s =3D HEATHROW(d); + + s->pics[0].level_triggered =3D 0; + s->pics[1].level_triggered =3D 0x1ff00000; } =20 -static void heathrow_pic_reset(void *opaque) +static void heathrow_init(Object *obj) { - HeathrowPICS *s =3D opaque; - - heathrow_pic_reset_one(&s->pics[0]); - heathrow_pic_reset_one(&s->pics[1]); + HeathrowState *s =3D HEATHROW(obj); =20 - s->pics[0].level_triggered =3D 0; - s->pics[1].level_triggered =3D 0x1ff00000; + memory_region_init_io(&s->mem, OBJECT(s), &heathrow_ops, s, + "heathrow-pic", 0x1000); } =20 qemu_irq *heathrow_pic_init(MemoryRegion **pmem, int nb_cpus, qemu_irq **irqs) { - HeathrowPICS *s; + DeviceState *d; + HeathrowState *s; =20 - s =3D g_malloc0(sizeof(HeathrowPICS)); + d =3D qdev_create(NULL, TYPE_HEATHROW); + qdev_init_nofail(d); + + s =3D HEATHROW(d); /* only 1 CPU */ s->irqs =3D irqs[0]; - memory_region_init_io(&s->mem, NULL, &heathrow_pic_ops, s, - "heathrow-pic", 0x1000); + *pmem =3D &s->mem; =20 - vmstate_register(NULL, -1, &vmstate_heathrow_pic, s); - qemu_register_reset(heathrow_pic_reset, s); - return qemu_allocate_irqs(heathrow_pic_set_irq, s, 64); + return qemu_allocate_irqs(heathrow_set_irq, s, HEATHROW_NUM_IRQS); +} + +static void heathrow_class_init(ObjectClass *oc, void *data) +{ + DeviceClass *dc =3D DEVICE_CLASS(oc); + + dc->reset =3D heathrow_reset; + dc->vmsd =3D &vmstate_heathrow; + set_bit(DEVICE_CATEGORY_MISC, dc->categories); } + +static const TypeInfo heathrow_type_info =3D { + .name =3D TYPE_HEATHROW, + .parent =3D TYPE_SYS_BUS_DEVICE, + .instance_size =3D sizeof(HeathrowState), + .instance_init =3D heathrow_init, + .class_init =3D heathrow_class_init, +}; + +static void heathrow_register_types(void) +{ + type_register_static(&heathrow_type_info); +} + +type_init(heathrow_register_types) diff --git a/include/hw/intc/heathrow_pic.h b/include/hw/intc/heathrow_pic.h new file mode 100644 index 0000000000..bc3ffaab87 --- /dev/null +++ b/include/hw/intc/heathrow_pic.h @@ -0,0 +1,49 @@ +/* + * Heathrow PIC support (OldWorld PowerMac) + * + * Copyright (c) 2005-2007 Fabrice Bellard + * Copyright (c) 2007 Jocelyn Mayer + * + * Permission is hereby granted, free of charge, to any person obtaining a= copy + * of this software and associated documentation files (the "Software"), t= o deal + * in the Software without restriction, including without limitation the r= ights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or se= ll + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included= in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS= OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OT= HER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING= FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS = IN + * THE SOFTWARE. + */ + +#ifndef HEATHROW_H +#define HEATHROW_H + +#define TYPE_HEATHROW "heathrow" +#define HEATHROW(obj) OBJECT_CHECK(HeathrowState, (obj), TYPE_HEATHROW) + +typedef struct HeathrowPICState { + uint32_t events; + uint32_t mask; + uint32_t levels; + uint32_t level_triggered; +} HeathrowPICState; + +typedef struct HeathrowState { + SysBusDevice parent_obj; + + MemoryRegion mem; + HeathrowPICState pics[2]; + qemu_irq *irqs; +} HeathrowState; + +#define HEATHROW_NUM_IRQS 64 + +#endif /* HEATHROW_H */ --=20 2.11.0