| /* |
| * Arnewsh 5206 ColdFire system emulation. |
| * |
| * Copyright (c) 2007 CodeSourcery. |
| * |
| * This code is licensed under the GPL |
| */ |
| |
| #include "hw.h" |
| #include "mcf.h" |
| #include "boards.h" |
| #include "loader.h" |
| #include "elf.h" |
| #include "exec/address-spaces.h" |
| |
| #define KERNEL_LOAD_ADDR 0x10000 |
| #define AN5206_MBAR_ADDR 0x10000000 |
| #define AN5206_RAMBAR_ADDR 0x20000000 |
| |
| /* Board init. */ |
| |
| static void an5206_init(QEMUMachineInitArgs *args) |
| { |
| ram_addr_t ram_size = args->ram_size; |
| const char *cpu_model = args->cpu_model; |
| const char *kernel_filename = args->kernel_filename; |
| CPUM68KState *env; |
| int kernel_size; |
| uint64_t elf_entry; |
| hwaddr entry; |
| MemoryRegion *address_space_mem = get_system_memory(); |
| MemoryRegion *ram = g_new(MemoryRegion, 1); |
| MemoryRegion *sram = g_new(MemoryRegion, 1); |
| |
| if (!cpu_model) |
| cpu_model = "m5206"; |
| env = cpu_init(cpu_model); |
| if (!env) { |
| hw_error("Unable to find m68k CPU definition\n"); |
| } |
| |
| /* Initialize CPU registers. */ |
| env->vbr = 0; |
| /* TODO: allow changing MBAR and RAMBAR. */ |
| env->mbar = AN5206_MBAR_ADDR | 1; |
| env->rambar0 = AN5206_RAMBAR_ADDR | 1; |
| |
| /* DRAM at address zero */ |
| memory_region_init_ram(ram, "an5206.ram", ram_size); |
| vmstate_register_ram_global(ram); |
| memory_region_add_subregion(address_space_mem, 0, ram); |
| |
| /* Internal SRAM. */ |
| memory_region_init_ram(sram, "an5206.sram", 512); |
| vmstate_register_ram_global(sram); |
| memory_region_add_subregion(address_space_mem, AN5206_RAMBAR_ADDR, sram); |
| |
| mcf5206_init(address_space_mem, AN5206_MBAR_ADDR, env); |
| |
| /* Load kernel. */ |
| if (!kernel_filename) { |
| fprintf(stderr, "Kernel image must be specified\n"); |
| exit(1); |
| } |
| |
| kernel_size = load_elf(kernel_filename, NULL, NULL, &elf_entry, |
| NULL, NULL, 1, ELF_MACHINE, 0); |
| 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); |
| } |
| |
| env->pc = entry; |
| } |
| |
| static QEMUMachine an5206_machine = { |
| .name = "an5206", |
| .desc = "Arnewsh 5206", |
| .init = an5206_init, |
| DEFAULT_MACHINE_OPTIONS, |
| }; |
| |
| static void an5206_machine_init(void) |
| { |
| qemu_register_machine(&an5206_machine); |
| } |
| |
| machine_init(an5206_machine_init); |