| /* |
| * Arnewsh 5206 ColdFire system emulation. |
| * |
| * Copyright (c) 2007 CodeSourcery. |
| * |
| * This code is licenced under the GPL |
| */ |
| |
| #include "hw.h" |
| #include "pc.h" |
| #include "mcf.h" |
| #include "sysemu.h" |
| #include "boards.h" |
| |
| #define KERNEL_LOAD_ADDR 0x10000 |
| #define AN5206_MBAR_ADDR 0x10000000 |
| #define AN5206_RAMBAR_ADDR 0x20000000 |
| |
| /* Stub functions for hardware that doesn't exist. */ |
| void pic_info(Monitor *mon) |
| { |
| } |
| |
| void irq_info(Monitor *mon) |
| { |
| } |
| |
| /* Board init. */ |
| |
| static void an5206_init(ram_addr_t 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 = "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 */ |
| cpu_register_physical_memory(0, ram_size, |
| qemu_ram_alloc(ram_size) | IO_MEM_RAM); |
| |
| /* Internal SRAM. */ |
| cpu_register_physical_memory(AN5206_RAMBAR_ADDR, 512, |
| qemu_ram_alloc(512) | IO_MEM_RAM); |
| |
| mcf5206_init(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, 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); |
| } |
| |
| env->pc = entry; |
| } |
| |
| QEMUMachine an5206_machine = { |
| .name = "an5206", |
| .desc = "Arnewsh 5206", |
| .init = an5206_init, |
| }; |