2
* Dummy board with just RAM and CPU for use as an ISS.
4
* Copyright (c) 2007 CodeSourcery.
6
* This code is licensed under the GPL
9
#include "qemu/osdep.h"
10
#include "qemu-common.h"
13
#include "hw/boards.h"
14
#include "hw/loader.h"
16
#include "exec/address-spaces.h"
18
#define KERNEL_LOAD_ADDR 0x10000
22
static void dummy_m68k_init(MachineState *machine)
24
ram_addr_t ram_size = machine->ram_size;
25
const char *cpu_model = machine->cpu_model;
26
const char *kernel_filename = machine->kernel_filename;
29
MemoryRegion *address_space_mem = get_system_memory();
30
MemoryRegion *ram = g_new(MemoryRegion, 1);
37
cpu = cpu_m68k_init(cpu_model);
39
fprintf(stderr, "Unable to find m68k CPU definition\n");
44
/* Initialize CPU registers. */
47
/* RAM at address zero */
48
memory_region_allocate_system_memory(ram, NULL, "dummy_m68k.ram",
50
memory_region_add_subregion(address_space_mem, 0, ram);
53
if (kernel_filename) {
54
kernel_size = load_elf(kernel_filename, NULL, NULL, &elf_entry,
55
NULL, NULL, 1, EM_68K, 0, 0);
57
if (kernel_size < 0) {
58
kernel_size = load_uimage(kernel_filename, &entry, NULL, NULL,
61
if (kernel_size < 0) {
62
kernel_size = load_image_targphys(kernel_filename,
64
ram_size - KERNEL_LOAD_ADDR);
65
entry = KERNEL_LOAD_ADDR;
67
if (kernel_size < 0) {
68
fprintf(stderr, "qemu: could not load kernel '%s'\n",
78
static void dummy_m68k_machine_init(MachineClass *mc)
80
mc->desc = "Dummy board";
81
mc->init = dummy_m68k_init;
84
DEFINE_MACHINE("dummy", dummy_m68k_machine_init)