qemu

FORK: QEMU emulator
git clone https://git.neptards.moe/neptards/qemu.git
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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 
     34 static 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 
     55 static 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 
     69 static 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 
     81 static 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 
     95 DEFINE_TYPES(triboard_machine_types)