| /* |
| * 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(ram_addr_t ram_size, int vga_ram_size, |
| const char *boot_device, |
| 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_uimage(kernel_filename, &entry, NULL, NULL); |
| } |
| if (kernel_size < 0) { |
| kernel_size = load_image_targphys(kernel_filename, |
| KERNEL_LOAD_ADDR, |
| ram_size - 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 = { |
| .name = "dummy", |
| .desc = "Dummy board", |
| .init = dummy_m68k_init, |
| }; |