cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

xlnx-usb-subsystem.c (3342B)

      1/*
      2 * QEMU model of the Xilinx usb subsystem
      3 *
      4 * Copyright (c) 2020 Xilinx Inc. Sai Pavan Boddu <sai.pava.boddu@xilinx.com>
      5 *
      6 * Permission is hereby granted, free of charge, to any person obtaining a copy
      7 * of this software and associated documentation files (the "Software"), to deal
      8 * in the Software without restriction, including without limitation the rights
      9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     10 * copies of the Software, and to permit persons to whom the Software is
     11 * furnished to do so, subject to the following conditions:
     12 *
     13 * The above copyright notice and this permission notice shall be included in
     14 * all copies or substantial portions of the Software.
     15 *
     16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
     19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
     22 * THE SOFTWARE.
     23 */
     24
     25#include "qemu/osdep.h"
     26#include "hw/sysbus.h"
     27#include "hw/register.h"
     28#include "qemu/bitops.h"
     29#include "qom/object.h"
     30#include "qapi/error.h"
     31#include "hw/qdev-properties.h"
     32#include "hw/usb/xlnx-usb-subsystem.h"
     33
     34static void versal_usb2_realize(DeviceState *dev, Error **errp)
     35{
     36    VersalUsb2 *s = VERSAL_USB2(dev);
     37    SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
     38    Error *err = NULL;
     39
     40    sysbus_realize(SYS_BUS_DEVICE(&s->dwc3), &err);
     41    if (err) {
     42        error_propagate(errp, err);
     43        return;
     44    }
     45    sysbus_realize(SYS_BUS_DEVICE(&s->usb2Ctrl), &err);
     46    if (err) {
     47        error_propagate(errp, err);
     48        return;
     49    }
     50    sysbus_init_mmio(sbd, &s->dwc3_mr);
     51    sysbus_init_mmio(sbd, &s->usb2Ctrl_mr);
     52    qdev_pass_gpios(DEVICE(&s->dwc3.sysbus_xhci), dev, SYSBUS_DEVICE_GPIO_IRQ);
     53}
     54
     55static void versal_usb2_init(Object *obj)
     56{
     57    VersalUsb2 *s = VERSAL_USB2(obj);
     58
     59    object_initialize_child(obj, "versal.dwc3", &s->dwc3,
     60                            TYPE_USB_DWC3);
     61    object_initialize_child(obj, "versal.usb2-ctrl", &s->usb2Ctrl,
     62                            TYPE_XILINX_VERSAL_USB2_CTRL_REGS);
     63    memory_region_init_alias(&s->dwc3_mr, obj, "versal.dwc3_alias",
     64                             &s->dwc3.iomem, 0, DWC3_SIZE);
     65    memory_region_init_alias(&s->usb2Ctrl_mr, obj, "versal.usb2Ctrl_alias",
     66                             &s->usb2Ctrl.iomem, 0, USB2_REGS_R_MAX * 4);
     67    qdev_alias_all_properties(DEVICE(&s->dwc3), obj);
     68    qdev_alias_all_properties(DEVICE(&s->dwc3.sysbus_xhci), obj);
     69    object_property_add_alias(obj, "dma", OBJECT(&s->dwc3.sysbus_xhci), "dma");
     70}
     71
     72static void versal_usb2_class_init(ObjectClass *klass, void *data)
     73{
     74    DeviceClass *dc = DEVICE_CLASS(klass);
     75
     76    dc->realize = versal_usb2_realize;
     77}
     78
     79static const TypeInfo versal_usb2_info = {
     80    .name          = TYPE_XILINX_VERSAL_USB2,
     81    .parent        = TYPE_SYS_BUS_DEVICE,
     82    .instance_size = sizeof(VersalUsb2),
     83    .class_init    = versal_usb2_class_init,
     84    .instance_init = versal_usb2_init,
     85};
     86
     87static void versal_usb_types(void)
     88{
     89    type_register_static(&versal_usb2_info);
     90}
     91
     92type_init(versal_usb_types)