LXR qemu/hw/tricore/triboard.c

   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)
  96