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-zynqmp-can.h (2544B)

      1/*
      2 * QEMU model of the Xilinx ZynqMP CAN controller.
      3 *
      4 * Copyright (c) 2020 Xilinx Inc.
      5 *
      6 * Written-by: Vikram Garhwal<fnu.vikram@xilinx.com>
      7 *
      8 * Based on QEMU CAN Device emulation implemented by Jin Yang, Deniz Eren and
      9 * Pavel Pisa.
     10 *
     11 * Permission is hereby granted, free of charge, to any person obtaining a copy
     12 * of this software and associated documentation files (the "Software"), to deal
     13 * in the Software without restriction, including without limitation the rights
     14 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     15 * copies of the Software, and to permit persons to whom the Software is
     16 * furnished to do so, subject to the following conditions:
     17 *
     18 * The above copyright notice and this permission notice shall be included in
     19 * all copies or substantial portions of the Software.
     20 *
     21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     22 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
     24 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     25 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     26 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
     27 * THE SOFTWARE.
     28 */
     29
     30#ifndef XLNX_ZYNQMP_CAN_H
     31#define XLNX_ZYNQMP_CAN_H
     32
     33#include "hw/register.h"
     34#include "net/can_emu.h"
     35#include "net/can_host.h"
     36#include "qemu/fifo32.h"
     37#include "hw/ptimer.h"
     38#include "hw/qdev-clock.h"
     39
     40#define TYPE_XLNX_ZYNQMP_CAN "xlnx.zynqmp-can"
     41
     42#define XLNX_ZYNQMP_CAN(obj) \
     43     OBJECT_CHECK(XlnxZynqMPCANState, (obj), TYPE_XLNX_ZYNQMP_CAN)
     44
     45#define MAX_CAN_CTRLS      2
     46#define XLNX_ZYNQMP_CAN_R_MAX     (0x84 / 4)
     47#define MAILBOX_CAPACITY   64
     48#define CAN_TIMER_MAX  0XFFFFUL
     49#define CAN_DEFAULT_CLOCK (24 * 1000 * 1000)
     50
     51/* Each CAN_FRAME will have 4 * 32bit size. */
     52#define CAN_FRAME_SIZE     4
     53#define RXFIFO_SIZE        (MAILBOX_CAPACITY * CAN_FRAME_SIZE)
     54
     55typedef struct XlnxZynqMPCANState {
     56    SysBusDevice        parent_obj;
     57    MemoryRegion        iomem;
     58
     59    qemu_irq            irq;
     60
     61    CanBusClientState   bus_client;
     62    CanBusState         *canbus;
     63
     64    struct {
     65        uint32_t        ext_clk_freq;
     66    } cfg;
     67
     68    RegisterInfo        reg_info[XLNX_ZYNQMP_CAN_R_MAX];
     69    uint32_t            regs[XLNX_ZYNQMP_CAN_R_MAX];
     70
     71    Fifo32              rx_fifo;
     72    Fifo32              tx_fifo;
     73    Fifo32              txhpb_fifo;
     74
     75    ptimer_state        *can_timer;
     76} XlnxZynqMPCANState;
     77
     78#endif