cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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tricore_testboard.c (4088B)

      1/*
      2 * TriCore Baseboard System emulation.
      3 *
      4 * Copyright (c) 2013-2014 Bastian Koppelmann C-Lab/University Paderborn
      5 *
      6 * This library is free software; you can redistribute it and/or
      7 * modify it under the terms of the GNU Lesser General Public
      8 * License as published by the Free Software Foundation; either
      9 * version 2.1 of the License, or (at your option) any later version.
     10 *
     11 * This library is distributed in the hope that it will be useful,
     12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
     13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     14 * Lesser General Public License for more details.
     15 *
     16 * You should have received a copy of the GNU Lesser General Public
     17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
     18 */
     19
     20
     21#include "qemu/osdep.h"
     22#include "qemu/units.h"
     23#include "qapi/error.h"
     24#include "cpu.h"
     25#include "net/net.h"
     26#include "hw/boards.h"
     27#include "hw/loader.h"
     28#include "elf.h"
     29#include "hw/tricore/tricore.h"
     30#include "hw/tricore/tricore_testdevice.h"
     31#include "qemu/error-report.h"
     32
     33
     34/* Board init.  */
     35
     36static struct tricore_boot_info tricoretb_binfo;
     37
     38static void tricore_load_kernel(CPUTriCoreState *env)
     39{
     40    uint64_t entry;
     41    long kernel_size;
     42
     43    kernel_size = load_elf(tricoretb_binfo.kernel_filename, NULL,
     44                           NULL, NULL, &entry, NULL,
     45                           NULL, NULL, 0,
     46                           EM_TRICORE, 1, 0);
     47    if (kernel_size <= 0) {
     48        error_report("no kernel file '%s'",
     49                tricoretb_binfo.kernel_filename);
     50        exit(1);
     51    }
     52    env->PC = entry;
     53
     54}
     55
     56static void tricore_testboard_init(MachineState *machine, int board_id)
     57{
     58    TriCoreCPU *cpu;
     59    CPUTriCoreState *env;
     60    TriCoreTestDeviceState *test_dev;
     61
     62    MemoryRegion *sysmem = get_system_memory();
     63    MemoryRegion *ext_cram = g_new(MemoryRegion, 1);
     64    MemoryRegion *ext_dram = g_new(MemoryRegion, 1);
     65    MemoryRegion *int_cram = g_new(MemoryRegion, 1);
     66    MemoryRegion *int_dram = g_new(MemoryRegion, 1);
     67    MemoryRegion *pcp_data = g_new(MemoryRegion, 1);
     68    MemoryRegion *pcp_text = g_new(MemoryRegion, 1);
     69
     70    cpu = TRICORE_CPU(cpu_create(machine->cpu_type));
     71    env = &cpu->env;
     72    memory_region_init_ram(ext_cram, NULL, "powerlink_ext_c.ram",
     73                           2 * MiB, &error_fatal);
     74    memory_region_init_ram(ext_dram, NULL, "powerlink_ext_d.ram",
     75                           4 * MiB, &error_fatal);
     76    memory_region_init_ram(int_cram, NULL, "powerlink_int_c.ram", 48 * KiB,
     77                           &error_fatal);
     78    memory_region_init_ram(int_dram, NULL, "powerlink_int_d.ram", 48 * KiB,
     79                           &error_fatal);
     80    memory_region_init_ram(pcp_data, NULL, "powerlink_pcp_data.ram",
     81                           16 * KiB, &error_fatal);
     82    memory_region_init_ram(pcp_text, NULL, "powerlink_pcp_text.ram",
     83                           32 * KiB, &error_fatal);
     84
     85    memory_region_add_subregion(sysmem, 0x80000000, ext_cram);
     86    memory_region_add_subregion(sysmem, 0xa1000000, ext_dram);
     87    memory_region_add_subregion(sysmem, 0xd4000000, int_cram);
     88    memory_region_add_subregion(sysmem, 0xd0000000, int_dram);
     89    memory_region_add_subregion(sysmem, 0xf0050000, pcp_data);
     90    memory_region_add_subregion(sysmem, 0xf0060000, pcp_text);
     91
     92    test_dev = g_new(TriCoreTestDeviceState, 1);
     93    object_initialize(test_dev, sizeof(TriCoreTestDeviceState),
     94                      TYPE_TRICORE_TESTDEVICE);
     95    memory_region_add_subregion(sysmem, 0xf0000000, &test_dev->iomem);
     96
     97
     98    tricoretb_binfo.ram_size = machine->ram_size;
     99    tricoretb_binfo.kernel_filename = machine->kernel_filename;
    100
    101    if (machine->kernel_filename) {
    102        tricore_load_kernel(env);
    103    }
    104}
    105
    106static void tricoreboard_init(MachineState *machine)
    107{
    108    tricore_testboard_init(machine, 0x183);
    109}
    110
    111static void ttb_machine_init(MachineClass *mc)
    112{
    113    mc->desc = "a minimal TriCore board";
    114    mc->init = tricoreboard_init;
    115    mc->default_cpu_type = TRICORE_CPU_TYPE_NAME("tc1796");
    116}
    117
    118DEFINE_MACHINE("tricore_testboard", ttb_machine_init)