/* * Dummy board with just RAM and CPU for use as an ISS. * * Copyright (c) 2007 CodeSourcery. * * This code is licenced under the GPL */#include "hw.h"#include "sysemu.h"#include "boards.h"#define KERNEL_LOAD_ADDR 0x10000/* Board init.  */static void dummy_m68k_init(int ram_size, int vga_ram_size,                     const char *boot_device, DisplayState *ds,                     const char *kernel_filename, const char *kernel_cmdline,                     const char *initrd_filename, const char *cpu_model){    CPUState *env;    int kernel_size;    uint64_t elf_entry;    target_ulong entry;    if (!cpu_model)        cpu_model = "cfv4e";    env = cpu_init(cpu_model);    if (!env) {        fprintf(stderr, "Unable to find m68k CPU definition\n");        exit(1);    }    /* Initialize CPU registers.  */    env->vbr = 0;    /* RAM at address zero */    cpu_register_physical_memory(0, ram_size,        qemu_ram_alloc(ram_size) | IO_MEM_RAM);    /* Load kernel.  */    if (kernel_filename) {        kernel_size = load_elf(kernel_filename, 0, &elf_entry, NULL, NULL);        entry = elf_entry;        if (kernel_size < 0) {            kernel_size = load_uboot(kernel_filename, &entry, NULL);        }        if (kernel_size < 0) {            kernel_size = load_image(kernel_filename,                                     phys_ram_base + KERNEL_LOAD_ADDR);            entry = KERNEL_LOAD_ADDR;        }        if (kernel_size < 0) {            fprintf(stderr, "qemu: could not load kernel '%s'\n",                    kernel_filename);            exit(1);        }    } else {        entry = 0;    }    env->pc = entry;}QEMUMachine dummy_m68k_machine = {    "dummy",    "Dummy board",    dummy_m68k_init,};