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

triboard.c (3024B)

      1/*
      2 * Infineon TriBoard System emulation.
      3 *
      4 * Copyright (c) 2020 Andreas Konopik <andreas.konopik@efs-auto.de>
      5 * Copyright (c) 2020 David Brenken <david.brenken@efs-auto.de>
      6 *
      7 * This library is free software; you can redistribute it and/or
      8 * modify it under the terms of the GNU Lesser General Public
      9 * License as published by the Free Software Foundation; either
     10 * version 2 of the License, or (at your option) any later version.
     11 *
     12 * This library is distributed in the hope that it will be useful,
     13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
     14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     15 * Lesser General Public License for more details.
     16 *
     17 * You should have received a copy of the GNU Lesser General Public
     18 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
     19 */
     20
     21#include "qemu/osdep.h"
     22#include "qemu/units.h"
     23#include "qapi/error.h"
     24#include "hw/qdev-properties.h"
     25#include "net/net.h"
     26#include "hw/loader.h"
     27#include "elf.h"
     28#include "hw/tricore/tricore.h"
     29#include "qemu/error-report.h"
     30
     31#include "hw/tricore/triboard.h"
     32#include "hw/tricore/tc27x_soc.h"
     33
     34static void tricore_load_kernel(const char *kernel_filename)
     35{
     36    uint64_t entry;
     37    long kernel_size;
     38    TriCoreCPU *cpu;
     39    CPUTriCoreState *env;
     40
     41    kernel_size = load_elf(kernel_filename, NULL,
     42                           NULL, NULL, &entry, NULL,
     43                           NULL, NULL, 0,
     44                           EM_TRICORE, 1, 0);
     45    if (kernel_size <= 0) {
     46        error_report("no kernel file '%s'", kernel_filename);
     47        exit(1);
     48    }
     49    cpu = TRICORE_CPU(first_cpu);
     50    env = &cpu->env;
     51    env->PC = entry;
     52}
     53
     54
     55static void triboard_machine_init(MachineState *machine)
     56{
     57    TriBoardMachineState *ms = TRIBOARD_MACHINE(machine);
     58    TriBoardMachineClass *amc = TRIBOARD_MACHINE_GET_CLASS(machine);
     59
     60    object_initialize_child(OBJECT(machine), "soc", &ms->tc27x_soc,
     61            amc->soc_name);
     62    sysbus_realize(SYS_BUS_DEVICE(&ms->tc27x_soc), &error_fatal);
     63
     64    if (machine->kernel_filename) {
     65        tricore_load_kernel(machine->kernel_filename);
     66    }
     67}
     68
     69static void triboard_machine_tc277d_class_init(ObjectClass *oc,
     70        void *data)
     71{
     72    MachineClass *mc = MACHINE_CLASS(oc);
     73    TriBoardMachineClass *amc = TRIBOARD_MACHINE_CLASS(oc);
     74
     75    mc->init        = triboard_machine_init;
     76    mc->desc        = "Infineon AURIX TriBoard TC277 (D-Step)";
     77    mc->max_cpus    = 1;
     78    amc->soc_name   = "tc277d-soc";
     79};
     80
     81static const TypeInfo triboard_machine_types[] = {
     82    {
     83        .name           = MACHINE_TYPE_NAME("KIT_AURIX_TC277_TRB"),
     84        .parent         = TYPE_TRIBOARD_MACHINE,
     85        .class_init     = triboard_machine_tc277d_class_init,
     86    }, {
     87        .name           = TYPE_TRIBOARD_MACHINE,
     88        .parent         = TYPE_MACHINE,
     89        .instance_size  = sizeof(TriBoardMachineState),
     90        .class_size     = sizeof(TriBoardMachineClass),
     91        .abstract       = true,
     92    },
     93};
     94
     95DEFINE_TYPES(triboard_machine_types)