From nobody Mon Feb 9 12:28:41 2026 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.zoho.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 1487524518070423.22361993762945; Sun, 19 Feb 2017 09:15:18 -0800 (PST) Received: from localhost ([::1]:34528 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cfV4u-00010M-GN for importer@patchew.org; Sun, 19 Feb 2017 12:15:16 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36583) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cfV3R-0000Bj-O9 for qemu-devel@nongnu.org; Sun, 19 Feb 2017 12:13:47 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cfV3M-0008Ow-Sj for qemu-devel@nongnu.org; Sun, 19 Feb 2017 12:13:45 -0500 Received: from zero.eik.bme.hu ([152.66.115.2]:63599) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cfV3M-0008Nt-G2 for qemu-devel@nongnu.org; Sun, 19 Feb 2017 12:13:40 -0500 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id 57BB0745968; Sun, 19 Feb 2017 18:03:39 +0100 (CET) Received: by zero.eik.bme.hu (Postfix, from userid 432) id 24C50745955; Sun, 19 Feb 2017 18:03:39 +0100 (CET) Message-Id: <4bed0ec61e74992657933af970366a9e2636589a.1487522123.git.balaton@eik.bme.hu> In-Reply-To: References: From: BALATON Zoltan Date: Sun, 19 Feb 2017 17:35:23 +0100 To: qemu-devel@nongnu.org, qemu-trivial@nongnu.org X-detected-operating-system: by eggs.gnu.org: FreeBSD 9.x [fuzzy] X-Received-From: 152.66.115.2 Subject: [Qemu-devel] [PATCH 04/10] sm501: Add emulation of chip connected via PCI 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: Aurelien Jarno 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" Only the display controller part is created automatically on PCI Signed-off-by: BALATON Zoltan --- hw/display/sm501.c | 58 +++++++++++++++++++++++++++++++++++++++++= ---- hw/display/sm501_template.h | 8 +++---- 2 files changed, 58 insertions(+), 8 deletions(-) diff --git a/hw/display/sm501.c b/hw/display/sm501.c index b592022..e966896 100644 --- a/hw/display/sm501.c +++ b/hw/display/sm501.c @@ -31,6 +31,7 @@ #include "ui/console.h" #include "hw/devices.h" #include "hw/sysbus.h" +#include "hw/pci/pci.h" #include "qemu/range.h" #include "ui/pixel_ops.h" #include "exec/address-spaces.h" @@ -460,7 +461,6 @@ typedef struct SM501State { QemuConsole *con; =20 /* status & internal resources */ - hwaddr base; uint32_t local_mem_size_index; uint8_t *local_mem; MemoryRegion local_mem_region; @@ -1397,12 +1397,11 @@ static const GraphicHwOps sm501_ops =3D { .gfx_update =3D sm501_update_display, }; =20 -static void sm501_init(SM501State *s, DeviceState *dev, uint32_t base, +static void sm501_init(SM501State *s, DeviceState *dev, uint32_t local_mem_bytes) { MemoryRegion *mr; =20 - s->base =3D base; s->local_mem_size_index =3D get_local_mem_size_index(local_mem_bytes); SM501_DPRINTF("sm501 local mem size=3D%x. index=3D%d\n", get_local_mem= _size(s), s->local_mem_size_index); @@ -1457,7 +1456,7 @@ static void sm501_realize_sysbus(DeviceState *dev, Er= ror **errp) SysBusDevice *sbd =3D SYS_BUS_DEVICE(dev); DeviceState *usb_dev; =20 - sm501_init(&s->state, dev, s->base, s->vram_size); + sm501_init(&s->state, dev, s->vram_size); sysbus_init_mmio(sbd, &s->state.local_mem_region); sysbus_init_mmio(sbd, &s->state.mmio_region); =20 @@ -1505,9 +1504,60 @@ static const TypeInfo sm501_sysbus_info =3D { .class_init =3D sm501_sysbus_class_init, }; =20 +#define TYPE_PCI_SM501 "sm501" +#define PCI_SM501(obj) OBJECT_CHECK(SM501PCIState, (obj), TYPE_PCI_SM501) + +typedef struct { + /*< private >*/ + PCIDevice parent_obj; + /*< public >*/ + SM501State state; + uint32_t vram_size; +} SM501PCIState; + +static void sm501_realize_pci(PCIDevice *dev, Error **errp) +{ + SM501PCIState *s =3D PCI_SM501(dev); + + sm501_init(&s->state, DEVICE(dev), s->vram_size); + pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, + &s->state.local_mem_region); + pci_register_bar(dev, 1, PCI_BASE_ADDRESS_SPACE_MEMORY, + &s->state.mmio_region); +} + +static Property sm501_pci_properties[] =3D { + DEFINE_PROP_UINT32("vram-size", SM501PCIState, vram_size, + 64 * 1024 * 1024), + DEFINE_PROP_END_OF_LIST(), +}; + +static void sm501_pci_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc =3D DEVICE_CLASS(klass); + PCIDeviceClass *k =3D PCI_DEVICE_CLASS(klass); + + k->realize =3D sm501_realize_pci; + k->vendor_id =3D 0x126f; + k->device_id =3D 0x0501; + k->class_id =3D PCI_CLASS_DISPLAY_OTHER; + set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); + dc->desc =3D "SM501 Display Controller"; + dc->props =3D sm501_pci_properties; + dc->hotpluggable =3D false; +} + +static const TypeInfo sm501_pci_info =3D { + .name =3D TYPE_PCI_SM501, + .parent =3D TYPE_PCI_DEVICE, + .instance_size =3D sizeof(SM501PCIState), + .class_init =3D sm501_pci_class_init, +}; + static void sm501_register_types(void) { type_register_static(&sm501_sysbus_info); + type_register_static(&sm501_pci_info); } =20 type_init(sm501_register_types) diff --git a/hw/display/sm501_template.h b/hw/display/sm501_template.h index 16e500b..832ee61 100644 --- a/hw/display/sm501_template.h +++ b/hw/display/sm501_template.h @@ -103,13 +103,13 @@ static void glue(draw_hwc_line_, PIXEL_NAME)(SM501Sta= te *s, int crt, uint8_t *palette, int c_y, uint8_t *d, int width) { int x, i; - uint8_t bitset =3D 0; + uint8_t *pixval, bitset =3D 0; =20 /* get hardware cursor pattern */ uint32_t cursor_addr =3D get_hwc_address(s, crt); assert(0 <=3D c_y && c_y < SM501_HWC_HEIGHT); cursor_addr +=3D SM501_HWC_WIDTH * c_y / 4; /* 4 pixels per byte */ - cursor_addr +=3D s->base; + pixval =3D s->local_mem + cursor_addr; =20 /* get cursor position */ x =3D get_hwc_x(s, crt); @@ -120,8 +120,8 @@ static void glue(draw_hwc_line_, PIXEL_NAME)(SM501State= *s, int crt, =20 /* get pixel value */ if (i % 4 =3D=3D 0) { - bitset =3D ldub_phys(&address_space_memory, cursor_addr); - cursor_addr++; + bitset =3D ldub_p(pixval); + pixval++; } v =3D bitset & 3; bitset >>=3D 2; --=20 2.7.4