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

riscv_htif.h (1731B)

      1/*
      2 * QEMU RISCV Host Target Interface (HTIF) Emulation
      3 *
      4 * Copyright (c) 2016-2017 Sagar Karandikar, sagark@eecs.berkeley.edu
      5 * Copyright (c) 2017-2018 SiFive, Inc.
      6 *
      7 * This program is free software; you can redistribute it and/or modify it
      8 * under the terms and conditions of the GNU General Public License,
      9 * version 2 or later, as published by the Free Software Foundation.
     10 *
     11 * This program is distributed in the hope it will be useful, but WITHOUT
     12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
     13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
     14 * more details.
     15 *
     16 * You should have received a copy of the GNU General Public License along with
     17 * this program.  If not, see <http://www.gnu.org/licenses/>.
     18 */
     19
     20#ifndef HW_RISCV_HTIF_H
     21#define HW_RISCV_HTIF_H
     22
     23#include "chardev/char.h"
     24#include "chardev/char-fe.h"
     25#include "exec/memory.h"
     26#include "target/riscv/cpu.h"
     27
     28#define TYPE_HTIF_UART "riscv.htif.uart"
     29
     30typedef struct HTIFState {
     31    int allow_tohost;
     32    int fromhost_inprogress;
     33
     34    hwaddr tohost_offset;
     35    hwaddr fromhost_offset;
     36    uint64_t tohost_size;
     37    uint64_t fromhost_size;
     38    MemoryRegion mmio;
     39    MemoryRegion *address_space;
     40    MemoryRegion *main_mem;
     41    void *main_mem_ram_ptr;
     42
     43    CPURISCVState *env;
     44    CharBackend chr;
     45    uint64_t pending_read;
     46} HTIFState;
     47
     48extern const VMStateDescription vmstate_htif;
     49extern const MemoryRegionOps htif_io_ops;
     50
     51/* HTIF symbol callback */
     52void htif_symbol_callback(const char *st_name, int st_info, uint64_t st_value,
     53    uint64_t st_size);
     54
     55/* legacy pre qom */
     56HTIFState *htif_mm_init(MemoryRegion *address_space, MemoryRegion *main_mem,
     57    CPURISCVState *env, Chardev *chr);
     58
     59#endif