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

cubieboard.c (3640B)

      1/*
      2 * cubieboard emulation
      3 *
      4 * Copyright (C) 2013 Li Guang
      5 * Written by Li Guang <lig.fnst@cn.fujitsu.com>
      6 *
      7 * This program is free software; you can redistribute it and/or modify it
      8 * under the terms of the GNU General Public License as published by the
      9 * Free Software Foundation; either version 2 of the License, or
     10 * (at your option) any later version.
     11 *
     12 * This program is distributed in the hope that it will be useful, but WITHOUT
     13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
     14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
     15 * for more details.
     16 */
     17
     18#include "qemu/osdep.h"
     19#include "qapi/error.h"
     20#include "hw/boards.h"
     21#include "hw/qdev-properties.h"
     22#include "hw/arm/allwinner-a10.h"
     23
     24static struct arm_boot_info cubieboard_binfo = {
     25    .loader_start = AW_A10_SDRAM_BASE,
     26    .board_id = 0x1008,
     27};
     28
     29static void cubieboard_init(MachineState *machine)
     30{
     31    AwA10State *a10;
     32    Error *err = NULL;
     33    DriveInfo *di;
     34    BlockBackend *blk;
     35    BusState *bus;
     36    DeviceState *carddev;
     37
     38    /* BIOS is not supported by this board */
     39    if (machine->firmware) {
     40        error_report("BIOS not supported for this machine");
     41        exit(1);
     42    }
     43
     44    /* This board has fixed size RAM (512MiB or 1GiB) */
     45    if (machine->ram_size != 512 * MiB &&
     46        machine->ram_size != 1 * GiB) {
     47        error_report("This machine can only be used with 512MiB or 1GiB RAM");
     48        exit(1);
     49    }
     50
     51    /* Only allow Cortex-A8 for this board */
     52    if (strcmp(machine->cpu_type, ARM_CPU_TYPE_NAME("cortex-a8")) != 0) {
     53        error_report("This board can only be used with cortex-a8 CPU");
     54        exit(1);
     55    }
     56
     57    a10 = AW_A10(object_new(TYPE_AW_A10));
     58    object_property_add_child(OBJECT(machine), "soc", OBJECT(a10));
     59    object_unref(OBJECT(a10));
     60
     61    if (!object_property_set_int(OBJECT(&a10->emac), "phy-addr", 1, &err)) {
     62        error_reportf_err(err, "Couldn't set phy address: ");
     63        exit(1);
     64    }
     65
     66    if (!object_property_set_int(OBJECT(&a10->timer), "clk0-freq", 32768,
     67                                 &err)) {
     68        error_reportf_err(err, "Couldn't set clk0 frequency: ");
     69        exit(1);
     70    }
     71
     72    if (!object_property_set_int(OBJECT(&a10->timer), "clk1-freq", 24000000,
     73                                 &err)) {
     74        error_reportf_err(err, "Couldn't set clk1 frequency: ");
     75        exit(1);
     76    }
     77
     78    if (!qdev_realize(DEVICE(a10), NULL, &err)) {
     79        error_reportf_err(err, "Couldn't realize Allwinner A10: ");
     80        exit(1);
     81    }
     82
     83    /* Retrieve SD bus */
     84    di = drive_get_next(IF_SD);
     85    blk = di ? blk_by_legacy_dinfo(di) : NULL;
     86    bus = qdev_get_child_bus(DEVICE(a10), "sd-bus");
     87
     88    /* Plug in SD card */
     89    carddev = qdev_new(TYPE_SD_CARD);
     90    qdev_prop_set_drive_err(carddev, "drive", blk, &error_fatal);
     91    qdev_realize_and_unref(carddev, bus, &error_fatal);
     92
     93    memory_region_add_subregion(get_system_memory(), AW_A10_SDRAM_BASE,
     94                                machine->ram);
     95
     96    /* TODO create and connect IDE devices for ide_drive_get() */
     97
     98    cubieboard_binfo.ram_size = machine->ram_size;
     99    arm_load_kernel(&a10->cpu, machine, &cubieboard_binfo);
    100}
    101
    102static void cubieboard_machine_init(MachineClass *mc)
    103{
    104    mc->desc = "cubietech cubieboard (Cortex-A8)";
    105    mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a8");
    106    mc->default_ram_size = 1 * GiB;
    107    mc->init = cubieboard_init;
    108    mc->block_default_type = IF_IDE;
    109    mc->units_per_default_bus = 1;
    110    mc->ignore_memory_transaction_failures = true;
    111    mc->default_ram_id = "cubieboard.ram";
    112}
    113
    114DEFINE_MACHINE("cubieboard", cubieboard_machine_init)